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Diversidad de diatomeas bentónicas marinas en un ambiente ligeramente enriquecido con elementos potencialmente tóxicos
Diversity of benthic marine diatoms in an environment lightly enriched with potentially toxic elements
David A. Siqueiros-Beltrones1, Uri Argumedo-Hernández2, Janette M. Murillo-Jiménez3, Ana J. Marmolejo-Rodríguez3
1 Departamento de Plancton y Ecología Marina, Centro Interdisciplinario de Ciencias Marinas-Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional s/n, Col. Playa Palo de Santa Rita, 23096 La Paz, Baja California Sur, México.
2 Departamento de Economía, Universidad Autónoma de Baja California Sur. Km. 5.5, Carretera al Sur, 23091 La Paz, Baja California Sur, México.
3 Departamento de Oceanología, Centro Interdisciplinario de Ciencias Marinas-Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional s/n, Col. Playa Palo de Santa Rita, 23096 La Paz, Baja California Sur, México.
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1979&#44; 1986</a>&#41;&#46; De esta manera&#44; se ha observado que existe enriquecimiento natural de diversos elementos en ambientes de deposici&#243;n&#44; incluyendo playas&#44; en donde se ha encontrado que tanto el cadmio como el ars&#233;nico representan riesgos para la biota marina &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41;&#46; Dichos riesgos ser&#237;an observables en especies sensibles&#44; que bien podr&#237;an ser utilizadas como indicadoras&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">La utilidad de las diatomeas como indicadoras de contaminaci&#243;n e impacto ambiental es ampliamente reconocida&#46; Sin embargo&#44; para ello&#44; es necesario contar con una base flor&#237;stica de diatomeas que sirva de referencia y que permita derivar conclusiones respecto de alguna contingencia&#46; En una regi&#243;n con potencial minero es de esperarse que ciertos minerales y EPT muestren niveles elevados &#40;enriquecidos&#41; de manera natural&#46; En el caso de la bah&#237;a La Ventana&#44; se desconoce la relaci&#243;n entre las concentraciones de EPT y las caracter&#237;sticas de las asociaciones de diatomeas bent&#243;nicas para la zona costera&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">En diatomeas expuestas a metales pesados pueden ocurrir efectos teratol&#243;gicos&#44; citol&#243;gicos y deformaciones de la fr&#250;stula &#40;<a class="elsevierStyleCrossRef" href="#bib0065">Morin et al&#46;&#44; 2012</a>&#41;&#46; En cuanto a la estructura de las asociaciones&#44; experimentalmente <a class="elsevierStyleCrossRef" href="#bib0140">Underwood y Paterson &#40;1993&#41;</a> documentaron cambios en taxocenosis de diatomeas bent&#243;nicas ocasionados por biocidas aplicados <span class="elsevierStyleItalic">in situ</span>&#44; registrando proliferaciones de especies oportunistas a 5 d&#237;as del tratamiento&#46; Asimismo&#44; especies sensibles son sustituidas por especies tolerantes&#44; alterando la composici&#243;n de las taxocenosis &#40;<a class="elsevierStyleCrossRef" href="#bib0065">Morin et al&#46;&#44; 2012</a>&#41;&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">De acuerdo con lo anterior&#44; la premisa de estudio se refiere a efectos potenciales en la estructura de las asociaciones de diatomeas bent&#243;nicas y en la morfolog&#237;a de la fr&#250;stula&#44; en respuesta a la exposici&#243;n a concentraciones elevadas de EPT&#44; ya sea naturales o por influencia de la miner&#237;a en la regi&#243;n de San Antonio&#44; BCS&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">As&#237;&#44; en este estudio se observ&#243; la morfolog&#237;a de la fr&#250;stula y se analiz&#243; la estructura de las asociaciones de diatomeas bent&#243;nicas marinas expuestas a sedimentos de playa enriquecidos de forma natural por EPT &#40;valores de fondo&#41; provenientes de yacimientos minerales locales en playas de la bah&#237;a La Ventana&#44; BCS&#46; La hip&#243;tesis nula plante&#243; que las asociaciones de diatomeas bent&#243;nicas en sedimentos y rocas con EPT del &#225;rea de estudio no evidenciar&#237;an impacto por influencia de EPT&#44; mostrando una estructura t&#237;pica con alta diversidad de especies&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0030">Materiales y m&#233;todos</span><p id="par0030" class="elsevierStylePara elsevierViewall">En la playa occidental de la bah&#237;a La Ventana&#44; BCS&#44; se realizaron 3 muestreos durante el 2012&#44; 2 en la temporada de secas &#40;marzo y junio&#41; y 1 durante las lluvias &#8212;despu&#233;s de las precipitaciones de septiembre&#8212;&#46; Las muestras se tomaron en 3 sitios con desembocadura de arroyos provenientes de la sierra aleda&#241;a &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#44; en cada sitio se recolectaron 0&#46;5<span class="elsevierStyleHsp" style=""></span>kg de sedimentos del intermareal expuesto y mediante buceo libre&#44; 2 rocas de cerca de 2<span class="elsevierStyleHsp" style=""></span>kg&#44; de la zona submareal a 2&#46;5<span class="elsevierStyleHsp" style=""></span>m de profundidad&#44; aproximadamente&#46; En ambos casos las superficies disponibles para diatomeas fueron similares&#44; alrededor de 400<span class="elsevierStyleHsp" style=""></span>cm<span class="elsevierStyleSup">2</span>&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0035" class="elsevierStylePara elsevierViewall">Composici&#243;n textural y mineral&#243;gica&#46; Dada la constancia de estas caracter&#237;sticas en la zona y con base en un estudio previo &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41;&#44; se proces&#243; una muestra por sitio solamente de marzo&#46; Se us&#243; el m&#233;todo de tamizado&#44; considerando los intervalos propuestos por <a class="elsevierStyleCrossRef" href="#bib0155">Wentworth &#40;1922&#41;</a>&#46; Se seleccionaron los tamices Tyler cada 1 &#981; &#40;&#8722;2 a 4 &#981;&#41;&#46; El peso de sedimento de cada intervalo se convirti&#243; a porcentaje y se relacion&#243; con el valor f para cada muestra &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#46; Se obtuvieron los par&#225;metros estad&#237;sticos de media&#44; desviaci&#243;n est&#225;ndar y sesgo por el m&#233;todo de los momentos &#40;<a class="elsevierStyleCrossRef" href="#bib0045">Krumbein y Pettijohn&#44; 1938</a>&#41;&#44; como se muestran en el <a class="elsevierStyleCrossRef" href="#tbl0010">Cuadro 2</a>&#46;</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0040" class="elsevierStylePara elsevierViewall">Para el an&#225;lisis mineral&#243;gico se consider&#243; el m&#233;todo de conteo propuesto por <a class="elsevierStyleCrossRef" href="#bib0015">Glagolev &#40;1934&#41;</a>&#46; Se identificaron 300 granos por muestra con una lupa estereosc&#243;pica y se obtuvieron los porcentajes de los minerales por muestra&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">An&#225;lisis qu&#237;mico de los elementos mayores y traza en el sedimento&#46; Las muestras se analizaron mediante pulverizaci&#243;n del sedimento&#44; digesti&#243;n &#225;cida incluyendo HF&#44; HClO<span class="elsevierStyleInf">4</span>&#44; HNO<span class="elsevierStyleInf">3</span> y HCl&#46; La determinaci&#243;n de los elementos Al&#44; Ca&#44; Fe&#44; Li&#44; As&#44; Ba&#44; Cd&#44; Co&#44; Cu&#44; Hg&#44; Mn&#44; Ni&#44; Pb&#44; Sb&#44; Sr&#44; U y Zn&#44; se hizo con un espectr&#243;metro de masas inductivamente acoplado &#40;ICP-MS&#44; por sus siglas en ingl&#233;s&#41;&#46; Se utilizaron est&#225;ndares de referencia certificados &#40;PACS-2 y MESS-3&#41; de sedimento marino para la validaci&#243;n de la t&#233;cnica&#46; Los resultados de la validaci&#243;n se presentan en la <a class="elsevierStyleCrossRef" href="#tbl0005">Cuadro 1</a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0050" class="elsevierStylePara elsevierViewall">Para calcular el factor de enriquecimiento normalizado &#40;FEN&#41; las concentraciones de los elementos se normalizaron con aluminio mediante la f&#243;rmula&#58;<a name="p1067"></a><elsevierMultimedia ident="eq0005"></elsevierMultimedia>donde ET es el elemento traza y CTS son los valores de la corteza terrestre superior &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Wedepohl&#44; 1995</a>&#41;&#46; La descripci&#243;n se hizo considerando los resultados de todas las muestras recolectadas&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">La calidad del sedimento se evalu&#243; con base en la gu&#237;a propuesta por <a class="elsevierStyleCrossRef" href="#bib0050">Long et al&#46; &#40;1995&#41;</a> que define 2 niveles&#58; efectos de rango bajo &#40;ERL&#41; y con los FEN&#46; De acuerdo con los autores&#44; los rangos de referencia permiten aproximarse a los posibles efectos negativos de los metales sobre la biota y concluir sobre los metales contaminantes presentes&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Asociaciones de diatomeas bent&#243;nicas</span>&#46; Tanto las muestras de sedimentos como de roca se observaron en campo para constatar que las asociaciones estaban constituidas por diatomeas vivas&#46; En el laboratorio&#44; de cada roca recolectada se cepill&#243; un &#225;rea aproximada de 100<span class="elsevierStyleHsp" style=""></span>cm<span class="elsevierStyleSup">2</span> con un cepillo de dientes&#44; mientras se agregaba agua purificada&#59; el concentrado de diatomeas y materia org&#225;nica se vaci&#243; en un tubo de ensayo de 60<span class="elsevierStyleHsp" style=""></span>ml&#46; Para desprender las fr&#250;stulas de los sedimentos&#44; en un vaso de precipitados de 250<span class="elsevierStyleHsp" style=""></span>ml se coloc&#243; una muestra de sedimentos hasta la l&#237;nea de 150<span class="elsevierStyleHsp" style=""></span>ml&#44; posteriormente&#44; se agreg&#243; agua purificada hasta los 250<span class="elsevierStyleHsp" style=""></span>ml y se coloc&#243; en una cubeta de ultrasonido durante un minuto&#46; Los sedimentos gruesos fueron eliminados por decantaci&#243;n y el concentrado de diatomeas y materia org&#225;nica se coloc&#243; en un tubo de ensayo de 60<span class="elsevierStyleHsp" style=""></span>ml&#46; Las muestras una vez en los tubos de ensayo tanto de sedimentos como de rocas&#44; se dejaron sedimentar durante 2<span class="elsevierStyleHsp" style=""></span>h para eliminar el exceso de agua en la muestra&#46; Seguido&#44; se elimin&#243; la materia org&#225;nica dentro y fuera de las fr&#250;stulas mediante oxidaci&#243;n&#46; Para ello&#44; la muestra se mezcl&#243; con etanol comercial y &#225;cido n&#237;trico en una proporci&#243;n de 1&#58;1&#58;2&#59; esto vari&#243; seg&#250;n la cantidad de materia org&#225;nica en la muestra &#40;<a class="elsevierStyleCrossRef" href="#bib0110">Siqueiros-Beltrones&#44; 2002</a>&#41;&#46; Despu&#233;s de la oxidaci&#243;n se hicieron lavados repetidos con agua purificada hasta obtener un pH&#62;<span class="elsevierStyleHsp" style=""></span>6 y se montaron 2 laminillas permanentes por muestra con resina sint&#233;tica &#40;Pleurax&#44; IR&#61; 1&#46;7&#41;&#46;<a name="p1068"></a></p><p id="par0065" class="elsevierStylePara elsevierViewall">Las diatomeas fueron identificadas bajo un microscopio compuesto &#8212;con &#243;ptica planapocrom&#225;tica y contraste de fases&#8212; y con base en <a class="elsevierStyleCrossRefs" href="#bib0020">Hern&#225;ndez-Almeida y Siqueiros-Beltrones &#40;2008&#44; 2012&#41;</a>&#59; <a class="elsevierStyleCrossRefs" href="#bib0030">Hustedt &#40;1959&#44; 1961&#8211;1966&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0055">L&#243;pez-Fuerte et al&#46; &#40;2010&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0060">Moreno et al&#46; &#40;1996&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0080">Peragallo y Peragallo &#40;1908&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0100">Round et al&#46; &#40;1990&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0105">Schmidt et al&#46; &#40;1874&#8211;1959&#41;</a>&#59; <a class="elsevierStyleCrossRefs" href="#bib0110">Siqueiros-Beltrones &#40;2002&#44; 2006&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0130">Siqueiros-Beltrones y Hern&#225;ndez-Almeida &#40;2006&#41;</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0150">Witkowski et al&#46; &#40;2000&#41;</a>&#46; Para la elaboraci&#243;n del cat&#225;logo iconogr&#225;fico de referencia se tomaron fotograf&#237;as utilizando un ocular fotogr&#225;fico CMOS&#44; Konus&#44; digital&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">Se determinaron las abundancias relativas de los taxa sobre la base de un conteo m&#237;nimo de 100 valvas&#44; siempre y cuando despu&#233;s de que en los primeros conteos de m&#225;s de 300 valvas la dominancia de un tax&#243;n rebasaba el 50&#37; de la abundancia total &#40;<a class="elsevierStyleCrossRef" href="#bib0110">Siqueiros-Beltrones&#44; 2002</a>&#41;&#46; Con base en &#233;stas&#44; se calcularon los &#237;ndices que junto con la riqueza de especies &#40;S&#41; describen la estructura de las asociaciones&#58; equidad de Pielou &#40;J&#39;&#41;&#44; diversidad de Shannon &#40;H&#39;&#41;&#44; dominancia &#40;&#955;&#41; y diversidad de Simpson &#40;1-&#955;&#41;&#46; Tambi&#233;n&#44; se calcul&#243; la similitud entre muestras&#44; mediante presencia y ausencia de especies &#40;Jaccard&#41;&#44; e incluyendo sus abundancias relativas &#40;Bray-Curtis&#41; &#40;<a class="elsevierStyleCrossRef" href="#bib0005">Brower et al&#46;&#44; 1984</a>&#41;&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Resultados</span><p id="par0075" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Composici&#243;n textural y mineral&#243;gica</span>&#46; En los sedimentos de los sitios S1 y S3 el tama&#241;o medio son arenas gruesas&#44; mientras que en sitio S2 son arenas finas&#46; El sitio S1 presenta selecci&#243;n moderadamente buena y los sitios S2 y S3 presentan pobre selecci&#243;n&#46; En los 3 sitios los sedimentos presentan distribuciones de tama&#241;o sesgadas a los tama&#241;os gruesos &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">Cuadro 2</a>&#59; <a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0080" class="elsevierStylePara elsevierViewall">Los minerales presentes en los 3 sitios son cuarzo cristalino &#40;Q Cr&#41;&#44; cuarzo lechoso &#40;Q Lch&#41;&#44; cuarzo oxidado &#40;Q Ox&#41;&#44; cuarzo con fragmentos de otros minerales &#40;Q min&#41;&#44; biotita &#40;B&#41;&#44; feldespatos &#40;Fld&#46;&#41;&#44; carbonatos biog&#233;nicos &#40;CO<span class="elsevierStyleInf">3</span>&#41;&#44; silicatos &#40;Sil&#46;&#41; y otros minerales como olivino &#40;Oliv&#46;&#41;&#44; piroxenos &#40;Px&#41; y anf&#237;boles &#40;Anf&#46;&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#46; En los 3 sitios el mineral m&#225;s abundante es cuarzo &#40;80 a 95&#37;&#41;&#46; El mineral de biotita es abundante en el sitio S2 &#40;15&#37;&#41;&#44; seguido del sitio S1 &#40;5&#37;&#41; y escaso en el sitio S3 &#40;1&#37;&#41;&#46; Feldespatos&#44; carbonatos biog&#233;nicos y silicatos se presentan en concentraciones menores a 5&#37;&#46; Minerales como olivino&#44; anf&#237;bol y piroxeno se pueden encontrar en el sitio S1 &#40;3&#46;5&#37;&#41;&#46;</p><p id="par0085" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Geoqu&#237;mica de los elementos mayores y traza en sedimentos</span>&#46; La validaci&#243;n de la t&#233;cnica utilizada &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Cuadro 1</a>&#41; muestra buena precisi&#243;n para casi todos los elementos&#44; excepto para Ba&#44; Hg y Cd&#46; El bario no est&#225; considerado en el certificado y para el mercurio su coeficiente de variaci&#243;n result&#243; muy amplio&#44; sobre todo&#44; con el est&#225;ndar de referencia MESS-3&#46; Sin embargo&#44; los resultados obtenidos son menores a la corteza terrestre y coinciden con concentraciones en sedimentos de playa estimados por <a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala &#40;2011&#41;</a>&#59; por ello&#44; fueron incluidos en este trabajo&#46; Por su parte&#44; los valores de Cd fueron menores al l&#237;mite de detecci&#243;n &#40;Cd&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1<span class="elsevierStyleHsp" style=""></span>mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41; en todas las muestras&#44; sin embargo&#44; este elemento s&#237; fue bien validado &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Cuadro 1</a>&#41;&#46; Estos sedimentos provienen de zonas aleda&#241;as a los 3 sitios examinados de la bah&#237;a La Ventana y para las 3 fechas de muestreo&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">Los resultados del an&#225;lisis de elementos mayoritarios y traza en los sedimentos se muestran en el <a class="elsevierStyleCrossRef" href="#tbl0015">Cuadro 3</a>&#46; Para efectos de comparaci&#243;n se incluyen los valores promedio de la corteza terrestre &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Wedepohl&#44; 1995</a>&#41; y los valores calculados para efectos de rango bajo &#40;ERL&#41; seg&#250;n <a class="elsevierStyleCrossRef" href="#bib0050">Long et al&#46; &#40;1995&#41;</a>&#46; &#218;nicamente se consideraron los ERL&#44; debido a que los resultados obtenidos no sobrepasan este valor &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Cuadro 3</a>&#41; y los de rango medio &#40;ERM&#41; son m&#225;s concentrados&#44; hasta en un orden de magnitud&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">Los FEN en sedimentos de playa para los 3 sitios muestran enriquecimiento ligero para Ba&#44; Sr y moderado para Sb&#46; Para Li&#44; Ca&#44; Fe&#44; Cd&#44; Co&#44; Cr&#44; Cu&#44; Hg&#44; Mn&#44; Ni&#44; Pb&#44; U&#44; V y Zn&#44; se observaron valores de FEN&#60;<span class="elsevierStyleHsp" style=""></span>1&#59; s&#243;lo una muestra mostr&#243; valor del FEN&#62;<span class="elsevierStyleHsp" style=""></span>1 para As&#44; pero se necesita que sea mayor de 3 para considerar un enriquecimiento moderado &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">De acuerdo con los promedios de los FEN calculados&#44; los elementos m&#225;s enriquecidos fueron en este orden Sr&#62; Sb&#62; Ba&#46; El resto&#58; Cd&#44; As&#44; Pb&#44; Li&#44; Cr&#44; Zn&#44; V&#44; Hg&#44; Cu&#44; Fe&#44; Ni&#44; Mn&#44; U y Co&#44; se consideran no enriquecidos&#44; en orden de mayor a menor &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#46; Sin embargo&#44; los valores de Cd y de Hg se deben interpretar con precauci&#243;n&#44; puesto que&#44; aunque&#44; en general&#44; los resultados de la validaci&#243;n de Cd son buenos&#44; estos fueron &#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1<span class="elsevierStyleHsp" style=""></span>mg kg<span class="elsevierStyleSup">&#8722;1</span> en todas las<a name="p1069"></a> muestras&#44; es decir&#44; menor que el l&#237;mite de detecci&#243;n del equipo&#46; Aun as&#237;&#44; la validaci&#243;n de la t&#233;cnica admite que las concentraciones de Cd en el sedimento son correctas&#44; i&#46; e&#46;&#44; Cd no est&#225; enriquecido&#46; El Hg no mostr&#243; buena validaci&#243;n de la t&#233;cnica como el Cd &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Cuadro 1</a>&#41;&#59; pero los valores de Hg fueron menores al l&#237;mite de detecci&#243;n&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">Considerando los criterios de calidad del sedimento de acuerdo con <a class="elsevierStyleCrossRef" href="#bib0050">Long et al&#46; &#40;1995&#41;</a>&#44; es decir&#44; los efectos<a name="p1070"></a> de rango bajo &#40;ERL&#41;&#44; todos los contenidos de dichos elementos en los sedimentos de playa son menores a la referencia incluida en el <a class="elsevierStyleCrossRef" href="#tbl0015">Cuadro 3</a>&#46;</p><p id="par0110" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Asociaciones de diatomeas bent&#243;nicas</span>&#46; El inventario flor&#237;stico de diatomeas bent&#243;nicas tanto de sedimentos como de rocas reditu&#243; 182 taxa entre especies y variedades &#40;<a class="elsevierStyleCrossRef" href="#tbl0020">Cuadro 4</a>&#59; Figs&#46; 6&#8211;207&#41;&#46; Los g&#233;neros mejor representados fueron&#58; <span class="elsevierStyleItalic">Amphora</span> con 19 taxa&#44; <span class="elsevierStyleItalic">Navicula</span> 19&#44; <span class="elsevierStyleItalic">Cocconeis</span> 14&#44; <span class="elsevierStyleItalic">Mastogloia</span> 14 y <span class="elsevierStyleItalic">Diploneis</span> 11&#46; Se incluyen 30 nuevos registros para la pen&#237;nsula de Baja California&#44; as&#237; como 14 para todo el pa&#237;s&#46; En sedimentos <span class="elsevierStyleItalic">Diploneis papula</span> fue abundante &#40;&#62;<span class="elsevierStyleHsp" style=""></span>40&#37;&#41; y <span class="elsevierStyleItalic">Amphora wisei&#44; Cocconeis guttata</span> y <span class="elsevierStyleItalic">Navicula</span> sp&#46; fueron comunes &#40;20&#8211;30&#37;&#41;&#46; Mientras que en el sustrato rocoso los taxa comunes fueron <span class="elsevierStyleItalic">Mastogloia crucicula&#44; Cocconeis krammeri</span> y <span class="elsevierStyleItalic">C&#46; sublitoralis</span> &#40;20&#8211;30&#37;&#41; y los poco comunes&#58; <span class="elsevierStyleItalic">Actinocyclus curvatulus&#44; Seminavis</span> cf&#46; <span class="elsevierStyleItalic">obtusiuscula&#44; A&#46; angusta&#44; Caloneis</span> sp&#46; 1&#44; <span class="elsevierStyleItalic">Cocconeis dirupta&#44; C&#46; convexa&#44; Grammatophora oceanica&#44; Navicula pennata&#44; Nitzschia frustulum</span> var&#46; <span class="elsevierStyleItalic">perminuta</span> y <span class="elsevierStyleItalic">Rhopalodia pacifica</span>&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia><p id="par0115" class="elsevierStylePara elsevierViewall">La distribuci&#243;n m&#225;s homog&#233;nea entre los taxa se observ&#243; en las asociaciones epil&#237;ticas y se reflej&#243; en los valores altos de diversidad &#40;H&#39;&#62;<span class="elsevierStyleHsp" style=""></span>4&#41; y de equidad &#40;J&#39;&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0025">Cuadro 5</a>&#41;&#46; Por otro lado&#44; los valores de diversidad calculados son heterog&#233;neos y resultan de varias combinaciones entre el n&#250;mero de taxa en cada muestra y de c&#243;mo se distribuyen sus abundancias&#44; i&#46; e&#46;&#44; el balance entre equidad y riqueza&#46;</p><elsevierMultimedia ident="tbl0025"></elsevierMultimedia><p id="par0120" class="elsevierStylePara elsevierViewall">La diversidad fue menor en sedimentos &#40;H&#61;<span class="elsevierStyleHsp" style=""></span>1&#46;1&#8211;3&#46;6&#41; que en rocas &#40;H&#61;<span class="elsevierStyleHsp" style=""></span>2&#46;5&#8211;4&#46;7&#41;&#44; debido tanto a la menor riqueza de especies como a una equidad m&#225;s baja&#44; lo que se refleja en los valores del &#237;ndice de Simpson&#46; Sin embargo&#44; de manera general&#44; en ambos sustratos los valores calculados describen asociaciones t&#237;picas de diatomeas bent&#243;nicas marinas en las que las abundancias relativas de los taxa se distribuyen de manera desigual&#44; con pocos taxa muy abundantes y muchos taxa poco comunes y raros &#40;<a class="elsevierStyleCrossRef" href="#bib0115">Siqueiros-Beltrones&#44; 2005</a>&#41;&#46; Dado que las superficies de muestreo fueron muy aproximadas para rocas y sedimentos&#44; es poco probable que ello haya influido en dichas diferencias&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">De acuerdo con la similitud medida con base en presencia&#47;ausencia de especies &#40;Jaccard&#41; no se muestran agrupaciones debido a valores bajos de similitud &#40;<a class="elsevierStyleCrossRef" href="#fig0020">Fig&#46; 4</a>&#41;&#46; Sin embargo&#44; se aprecia una separaci&#243;n clara entre sustratos&#46; Esto denota una asociaci&#243;n distinta de especies en cada muestra con pocos taxa en com&#250;n entre ellas&#46; Asimismo&#44; al considerar la abundancia relativa de cada tax&#243;n &#40;Bray-Curtis&#41; tambi&#233;n se observa una agrupaci&#243;n por sustrato&#44; salvo por 2 muestras de roca de septiembre &#40;<a class="elsevierStyleCrossRef" href="#fig0025">Fig&#46; 5</a>&#41;&#46; Los valores altos de similitud entre las muestras de sedimento de junio y septiembre se deben a que comparten taxa con abundancias relativas similares y a que comparten <span class="elsevierStyleItalic">D&#46; papula</span>&#44; un tax&#243;n muy abundante y a <span class="elsevierStyleItalic">A&#46; wisei</span> que fue com&#250;n&#59; dicho valor de similitud es alto y com&#250;nmente observado entre submuestras de una misma muestra&#46; Sin embargo&#44; la disimilitud en el resto del an&#225;lisis indica que no existe patr&#243;n de distribuci&#243;n de acuerdo con el sitio o temporada y coincide con la distribuci&#243;n en parches com&#250;nmente descrita para taxocenosis de diatomeas bent&#243;nicas &#40;<a class="elsevierStyleCrossRef" href="#bib0110">Siqueiros-Beltrones&#44; 2002</a>&#41;&#46; Las diferencias en las asociaciones de diatomeas bent&#243;nicas&#44; cuyas variaciones muestran patr&#243;n de segregaci&#243;n solamente en cuanto al tipo de sustrato&#44; resultan independientes de las<a name="p1071"></a><a name="p1072"></a> temporadas de secas y de lluvias&#44; o de las concentraciones de los EPT&#46;</p><elsevierMultimedia ident="fig0020"></elsevierMultimedia><elsevierMultimedia ident="fig0025"></elsevierMultimedia></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Discusi&#243;n</span><p id="par0130" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Composici&#243;n textural y mineral&#243;gica</span>&#46; Las mayores concentraciones de Li&#44; Ca&#44; Fe&#44; As&#44; Co&#44; Cr&#44; Mn&#44; V y Zn&#44; se encuentran en el sitio S2&#59; ah&#237; se presenta un mayor porcentaje de arena fina &#40;45&#37;&#41; en comparaci&#243;n con los sitios S1 y S3 &#40;0&#46;4&#37;&#44; 0&#46;25&#37;&#41;&#44; lo cual se asocia al aporte de estos elementos por el arroyo El Zotol que descarga directamente en esta playa&#46; Por otra parte&#44; se infiere que la concentraci&#243;n est&#225; relacionada a la resistencia de los minerales&#44; ya que los menos resistentes se van acumulando en fracciones m&#225;s finas como ser&#237;a el caso de la biotita&#44; misma que se presenta con mayor abundancia en esta muestra&#46;</p><p id="par0135" class="elsevierStylePara elsevierViewall">El sitio de muestreo &#40;S1&#41; localizado al norte del arroyo el Zotol presenta mejor selecci&#243;n que los sitios al sur&#44; lo cual puede estar relacionado tanto a un menor aporte de arenas finas como al proceso de selecci&#243;n&#44; que se lleva a cabo en la costa por la energ&#237;a de oleaje que en este sitio es mayor&#44; removiendo&#44; as&#237;&#44; los tama&#241;os finos&#46; Los 3 sitios muestran un fuerte sesgo hacia los tama&#241;os gruesos&#44; lo cual confirma &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41; que es una costa din&#225;mica que no permite la acumulaci&#243;n de arenas muy finas&#44; limos y arcillas&#46; Ello inclinar&#237;a la selecci&#243;n hacia diatomeas epips&#225;micas muy peque&#241;as &#40;&#62;<span class="elsevierStyleHsp" style=""></span>10<span class="elsevierStyleHsp" style=""></span>&#956;m&#41; que viven adheridas a los granos gruesos de arena&#44; e&#46; g&#46;&#44; ciertas especies de <span class="elsevierStyleItalic">Cocconeis</span> y de <span class="elsevierStyleItalic">Opephora</span>&#44; mismas que no<a name="p1073"></a> fueron frecuentes&#46; Mientras que las formas grandes fueron comunes&#46; Empero&#44; una discriminaci&#243;n precisa requiere de un dise&#241;o de estudio <span class="elsevierStyleItalic">ex profeso</span>&#46;</p><p id="par0140" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Geoqu&#237;mica de elementos mayores y traza en los sedimentos</span>&#46; La costa occidental de la bah&#237;a La Ventana tiene una orientaci&#243;n norte-sur asociada a la presencia de la falla geol&#243;gica activa denominada El Sargento&#46; En esta zona se han detectado emanaciones de agua caliente que pudiera estar enriquecida con minerales debido a la lixiviaci&#243;n natural de las rocas en contacto con esa agua&#44; enriqueciendo&#44; as&#237;&#44; con EPT &#8212;metales y metaloides&#8212; los materiales de la playa de forma natural&#44; dada la presencia de rocas locales que contienen estos elementos&#46; Por otro lado&#44; la costa sur de la bah&#237;a recibe materiales producto de la lixiviaci&#243;n natural de rocas de la cuenca hidrogr&#225;fica de San Juan de los Planes &#40;SJLP&#41;&#44; BCS y recibe&#44; adem&#225;s&#44; materiales producto del acarreo fluvial de los desechos mineros enriquecidos con EPT &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41;&#46; No obstante&#44; no se detect&#243; alteraci&#243;n en los sedimentos estudiados y los enriquecimientos de Sr&#44; Sb y Ba entran en el intervalo de 1-3 y de acuerdo con Cobelo-Garc&#237;a y Prego &#40;2004&#41; los promedios de los FEN de 1-2 son sedimentos con enriquecimiento nulo o bajo&#44; como es el caso del Ba &#40;Promedio FEN Ba&#61;<span class="elsevierStyleHsp" style=""></span>1&#46;5&#41;&#44; del Sb&#61;<span class="elsevierStyleHsp" style=""></span>1&#46;9 y del Sr&#61;<span class="elsevierStyleHsp" style=""></span>2&#46;2&#41;&#59; sin embargo&#44; considerando el tama&#241;o de grano del sedimento que es grueso&#44; esto puede indicar que est&#225;n constituyendo los minerales de los sedimentos examinados&#46; Debido a que la zona costera es din&#225;mica por la presencia de oleaje y corrientes litorales&#44; el sedimento fino que pudiera estar llegando de la cuenca terrestre &#40;SJLP&#41; al ambiente marino es transportado a la plataforma m&#225;s profunda como se observa en la costa sur de la bah&#237;a &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41;&#44; en donde el canal submarino&#44; ubicado en la zona de descarga fluvial &#40;La Bocana&#41;&#44; presenta los valores mayores de As en sedimentos del fondo de la bah&#237;a&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">Por otra parte&#44; el Sb tiene caracter&#237;sticas toxicol&#243;gicas similares al ars&#233;nico&#46; El ligero enriquecimiento de Sb se ha observado previamente en sedimentos marinos de la bah&#237;a de La Paz y laguna de La Paz &#40;0&#46;9<span class="elsevierStyleHsp" style=""></span>mg kg<span class="elsevierStyleSup">&#8722;1</span>&#59; <a class="elsevierStyleCrossRef" href="#bib0095">Rodr&#237;guez-Meza&#44; 1999</a>&#41;&#46; Aunque no representan riesgo los valores encontrados en este estudio&#44; debe tomarse en cuenta que en la parte centro-sur de la bah&#237;a cerca a la desembocadura de los arroyos de la cuenca de San Juan de Los Planes&#44; los valores est&#225;n entre 1&#46;7<span class="elsevierStyleHsp" style=""></span>mg kg<span class="elsevierStyleSup">&#8722;1</span> y en La Bocana 12&#46;4<span class="elsevierStyleHsp" style=""></span>mg kg&#8722;<span class="elsevierStyleSup">1</span>&#46; Esto puede deberse a las actividades mineras&#44; ya que en los desechos del distrito minero San Antonio se tienen valores de 6 800<span class="elsevierStyleHsp" style=""></span>mg kg<span class="elsevierStyleSup">&#8722;1</span> &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41;&#46; Por el contrario&#44; Sr y Ba no tienen origen en los desechos mineros y sus concentraciones en este estudio no los ubican como elementos potencialmente t&#243;xicos&#46; El origen del ligero enriquecimiento de Sr puede ser por sedimentos carbonatados y el ligero aumento de las concentraciones de bario puede estar asociado a descargas torrenciales de agua de lluvia y tambi&#233;n a aguas altamente productivas&#59; esto se ha observado mediante la fijaci&#243;n y adsorci&#243;n de Ba en diatomeas &#40;<a class="elsevierStyleCrossRef" href="#bib0135">Sternberg et al&#46;&#44; 2005</a>&#41;&#46; As&#237;&#44; de acuerdo con los criterios de calidad de los sedimentos&#44; i&#46; e&#46;&#44; efectos de rango bajo &#40;ERL&#41; seg&#250;n <a class="elsevierStyleCrossRef" href="#bib0050">Long et al&#46; &#40;1995&#41;</a>&#44; los contenidos de dichos elementos en los sedimentos de playa son menores a la referencia incluida en el Cuadro 3&#46; Sin embargo&#44; los elementos ligeramente enriquecidos &#40;Sr&#44; Sb y Ba&#41; no est&#225;n incluidos en estos criterios de <a class="elsevierStyleCrossRef" href="#bib0050">Long et al&#46; &#40;1995&#41;</a>&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Asociaciones de diatomeas bent&#243;nicas</span>&#46; Las diatomeas se consideran indicadores precisos de la toxicidad de metales pesados y a nivel de asociaciones se pueden observar cambios en la estructura que reflejan los efectos de diversos contaminantes &#40;<a class="elsevierStyleCrossRef" href="#bib0010">Genter&#44; 1996</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0085">P&#233;res&#44; 1996</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0040">Ivorra et al&#46;&#44; 1999</a>&#41;&#46; No obstante&#44; dada la manera en que las diatomeas pueden responder a corto y largo plazos a tales contingencias&#44; nuestra hip&#243;tesis <span class="elsevierStyleItalic">a priori</span> fue que no se observar&#237;a impacto &#40;Ho&#41; en la costa occidental de bah&#237;a La Ventana&#46; As&#237;&#44; el objetivo propuesto en esta investigaci&#243;n fue el de generar una base flor&#237;stica para la costa occidental de la bah&#237;a&#44; asumiendo que &#233;sta no mostrar&#237;a efectos delet&#233;reos por elementos potencialmente t&#243;xicos que se hallaran enriquecidos de manera natural&#46; Esto en contraparte de la costa sur de la bah&#237;a en donde la contaminaci&#243;n antropog&#233;nica por miner&#237;a ha sido detectada con base en las concentraciones de EPT que alcanzan niveles de riesgo medio y alto &#40;<a class="elsevierStyleCrossRef" href="#bib0090">Posada-Ayala&#44; 2011</a>&#41;&#44; no obstante&#44; ning&#250;n impacto en la biota marina ha sido explorado hasta ahora&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">Las asociaciones de diatomeas de la playa occidental de bah&#237;a La Ventana mostraron una estructura t&#237;pica de ambientes rocosos y de sedimentos con pocos taxa abundantes y comunes&#44; muchas especies poco comunes y raras &#40;<a class="elsevierStyleCrossRef" href="#bib0115">Siqueiros-Beltrones&#44; 2005</a>&#41;&#44; as&#237; como una riqueza de especies elevada&#44; repartida heterog&#233;neamente<a name="p1074"></a> entre las muestras&#46; Ello se reflej&#243; en valores bajos de similitud relacionados con la distribuci&#243;n en parches de las asociaciones de diatomeas bent&#243;nicas &#40;<a class="elsevierStyleCrossRef" href="#bib0110">Siqueiros-Beltrones&#44; 2002</a>&#41;&#46;</p><p id="par0160" class="elsevierStylePara elsevierViewall">El caso de la muestra con valor m&#237;nimo de diversidad en donde <span class="elsevierStyleItalic">D&#46; papula</span> domin&#243; en abundancia evoca el estudio de <a class="elsevierStyleCrossRef" href="#bib0140">Underwood y Paterson &#40;1993&#41;</a> quienes registraron proliferaciones de especies oportunistas tras un impacto por aplicaci&#243;n experimental de un biocida&#46; Sin embargo&#44; los valores de diversidad calculados son&#44; en general&#44; altos y caen dentro de los intervalos considerados como indicadores de condiciones naturales&#44; i&#46; e&#46;&#44; 1<span class="elsevierStyleHsp" style=""></span>&#60; H&#39;&#60;<span class="elsevierStyleHsp" style=""></span>5 con valores comunes de 4 o m&#225;s y frecuentemente de 5&#44; propios de asociaciones t&#237;picas de diatomeas bent&#243;nicas &#40;<a class="elsevierStyleCrossRef" href="#bib0115">Siqueiros-Beltrones&#44; 2005</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0125">Siqueiros-Beltrones y Argumedo- Hern&#225;ndez&#44; 2012</a>&#41;&#46; Por ello&#44; suponemos que la abundancia de <span class="elsevierStyleItalic">D&#46; papula</span> reflej&#243; una proliferaci&#243;n espacio&#47;temporal como las que suceden frecuentemente en taxocenosis de diatomeas bent&#243;nicas de sedimentos&#44; mismas que definen los parches caracter&#237;sticos &#40;<a class="elsevierStyleCrossRef" href="#bib0110">Siqueiros-Beltrones&#44; 2002</a>&#41;&#44; cuyas causas no han sido precisadas&#46; Igualmente probable ser&#237;a que dichas proliferaciones reflejen periodos de baja din&#225;mica en la playa&#44; mientras que una remoci&#243;n constante de sedimentos tender&#237;a a homogeneizar la distribuci&#243;n de los taxa&#46; Habr&#237;a que definir la escala espacial en la que dichos cambios en distribuci&#243;n ser&#237;an significativos para que eventualmente pudiera referenciarse el efecto de alg&#250;n agente que afectara dicha distribuci&#243;n&#44; como el caso de EPT&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">Comparando la estructura de las asociaciones de diatomeas bent&#243;nicas estudiadas en la pen&#237;nsula de Baja California &#40;<a class="elsevierStyleCrossRef" href="#bib0110">Siqueiros-Beltrones&#44; 2002</a>&#41;&#44; la lista de especies de diatomeas bent&#243;nicas de la bah&#237;a de La Ventana muestra una riqueza moderadamente alta con muchos g&#233;neros representados&#46; A diferencia de otras asociaciones&#44; destaca el menor n&#250;mero de especies de <span class="elsevierStyleItalic">Nitzschia</span> y las numerosas especies de <span class="elsevierStyleItalic">Mastogloia</span> y <span class="elsevierStyleItalic">Diploneis</span> que indican influencia de sistemas de manglar &#40;<a class="elsevierStyleCrossRef" href="#bib0055">L&#243;pez-Fuerte et al&#46;&#44; 2010</a>&#41;&#44; sobre todo&#44; en el sustrato rocoso&#44; aun cuando estos taxa son m&#225;s comunes en sedimentos&#46;</p><p id="par0170" class="elsevierStylePara elsevierViewall">Las diferencias de diversidad y composici&#243;n de especies como las observadas&#44; en general&#44; son comunes en asociaciones de diatomeas bent&#243;nicas&#46; Estudios posteriores habr&#225;n de considerar dicha distribuci&#243;n para tratar de delimitar su extensi&#243;n&#44; as&#237; como el &#225;rea de influencia de los EPT medidos&#46; De acuerdo con lo anterior&#44; se confirma que las asociaciones de diatomeas muestran una estructura t&#237;pica de condiciones naturales no perturbadas&#44; a la vez que las fr&#250;stulas de las diatomeas mostraron una apariencia sana&#44; sin deformaciones&#46; Por lo tanto&#44; no existen evidencias para rechazar la hip&#243;tesis de que las asociaciones de diatomeas bent&#243;nicas descritas no exhiben alg&#250;n impacto debido a influencia de EPT presentes en las playas de la bah&#237;a La Ventana&#46;</p><p id="par0175" class="elsevierStylePara elsevierViewall">Por otra parte&#44; el an&#225;lisis de similitud indic&#243; que no existe patr&#243;n de distribuci&#243;n de acuerdo con el sitio o temporada y&#44; aunque se manifest&#243; una discriminaci&#243;n entre las muestras seg&#250;n el sustrato&#44; la marcada disimilitud entre los sitios de recolecta sugiere que ambas asociaciones discriminadas bien pueden estar constituidas por parches cuyas estructuras reflejan valores distintos de diversidad&#44; equidad y dominancia&#46; As&#237;&#44; la agrupaci&#243;n de las muestras de diatomeas de junio y septiembre &#40;Bray-Curtis&#41; atribuidas a <span class="elsevierStyleItalic">D&#46; papula</span> y a <span class="elsevierStyleItalic">A&#46; wisei</span> sugiere la formaci&#243;n de parches similares en &#233;pocas distintas&#44; debido a especies de larga permanencia&#46; Este valor de similitud es comparativamente alto y se observa frecuentemente entre submuestras de una misma muestra&#46; De acuerdo con esto&#44; se deben considerar la extensi&#243;n y permanencia de las asociaciones de diatomeas bent&#243;nicas tanto en tiempo como en espacio en estudios futuros&#44; ya sean taxon&#243;micos o ecol&#243;gicos&#46;</p><p id="par0180" class="elsevierStylePara elsevierViewall">Los 30 taxa que representan nuevos registros para la regi&#243;n son indicadores de lo limitado de los inventarios con los que se cuenta actualmente para las costas de la pen&#237;nsula&#44; lo que dificulta el uso de diatomeas como indicadoras de este tipo de impacto ambiental&#46; Aunado a esto&#44; la caracterizaci&#243;n de ambientes utilizando diatomeas como especies indicadoras requiere de estudios m&#225;s complejos que comprendan otras variables ambientales&#44; as&#237; como t&#233;cnicas num&#233;ricas que detecten relaciones entre dichas variables&#44; y una base estad&#237;stica que permita establecer su significancia&#46; No obstante&#44; consideramos necesario partir de una base flor&#237;stica confiable y&#44; por lo tanto&#44; v&#225;lido tomar como referencia una taxocenosis t&#237;picamente estructurada ante una determinada contingencia&#46; Consecuentemente&#44; estos resultados servir&#225;n como referencia para estudios futuros que busquen determinar si existe alg&#250;n tipo de impacto en asociaciones de diatomeas bent&#243;nicas debido al enriquecimiento de este tipo de elementos&#44; ya sea por causas naturales o debido a la pr&#225;ctica minera&#46;</p></span></span>"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Las diatomeas se consideran indicadores precisos de contaminaci&#243;n por metales pesados&#44; cuyos efectos pueden alterar la estructura de asociaciones de diatomeas bent&#243;nicas&#46; Playas de la costa sur de la bah&#237;a La Ventana&#44; Baja California Sur&#44; M&#233;xico son abastecidas con sedimentos enriquecidos con elementos potencialmente t&#243;xicos derivados de actividad minera o naturalmente&#46; As&#237;&#44; se hizo una evaluaci&#243;n de elementos traza en sedimentos del intermareal y se analiz&#243; la diversidad de diatomeas bent&#243;nicas de sedimentos del intermareal y de rocas del submareal para marzo&#44; junio y septiembre de 2012&#46; El an&#225;lisis qu&#237;mico se hizo mediante digesti&#243;n &#225;cida con espectrometr&#237;a de masas con fuente de plasma de acoplamiento inductivo &#40;ICP-MS&#41;&#44; se determin&#243; la concentraci&#243;n de 17 elementos y se calcul&#243; su factor de enriquecimiento normalizado &#40;FEN&#41;&#46; Solamente las concentraciones de estroncio &#40;Sr&#41;&#44; antimonio &#40;Sb&#41; y bario &#40;Ba&#41; mostraron enriquecimiento de ligero a moderado&#46; Mediante microscop&#237;a &#243;ptica se identificaron 182 taxa &#8212;especies y variedades&#8212; de diatomeas&#44; incluyendo 30 nuevos registros para la regi&#243;n y 14 para M&#233;xico&#46; Se calcularon valores de diversidad&#44; equidad y dominancia &#40;H&#39;&#44; J&#39;&#44; &#955;&#41;&#46; Los valores de diversidad fueron altos y junto con la elevada riqueza de especies caracterizan asociaciones t&#237;picas de diatomeas bent&#243;nicas marinas&#46;</p></span>"
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        "resumen" => "<span id="abst0010" class="elsevierStyleSection elsevierViewall"><p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">Diatoms are well recognized as indicators of contamination by heavy metals whose effects may alter the structure of benthic diatom assemblages&#46; The southern beaches of Bah&#237;a La Ventana&#44; Baja California Sur&#44; Mexico are supplied with sediments that are naturally or anthropogenically enriched with potentially toxic elements&#46; Thus&#44; we carried out a geochemical assessment for trace elements in the intertidal beach sediments and we measured diversity of benthic diatom assemblages found in the intertidal sediments and on subtidal rocks&#46; Sampling was done in March&#44; June and September 2012&#46; Chemical analysis was performed using acid digestion using Inductively Coupled Plasma Mass Spectrometry &#40;ICP-MS&#41; for determining the concentration of 17 elements&#44; and their Normalized Enrichment Factor values were estimated&#46; Low to moderately degrees of enrichment for Strontium &#40;Sr&#41;&#44; Antimony &#40;Sb&#41; and Barium &#40;Ba&#41; were detected&#46; Diatom taxa were identified using optic microscopy&#46; Diversity values &#40;species richness&#44; dominance and evenness&#41; were calculated&#46; Diatom assemblages showed a high species richness with 182 taxa &#40;species and varieties&#41;&#44; including 30 new records for the region and 14 for Mexican waters&#46; These&#44; together with the high estimated values of diversity &#40;H&#39;&#44; J&#39;&#44; &#955;&#41; characterize a typical assemblage of benthic marine diatoms&#46;</p></span>"
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          "es" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Sitios de muestreo en la playa occidental de la bah&#237;a La Ventana&#44; BCS&#46;</p>"
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Al &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">6&#46;18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">6&#46;62<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;32&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">6&#46;86&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;59<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Ca &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;47<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;06&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Fe &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">4&#46;09<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;06&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;79&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">4&#46;34<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">As &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">26&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">26&#46;2<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>1&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">22&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">21&#46;2<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>1&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Ba &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom"><span class="elsevierStyleItalic">n&#46; d</span>&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Cd &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;24<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Co &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&#46;5<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;4<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2&#46;0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Cr &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">74&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">90&#46;7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">93&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">105<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Cu &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">326&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">310<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">32&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">33&#46;9<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>1&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Hg &#40;&#956;g kg<span class="elsevierStyleSup">&#8722;1&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;04<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;03&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;091&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Mn &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">386&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">440<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">283&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">324<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Ni &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">42&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">39&#46;5<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">46&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">46&#46;9<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Pb &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">161&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">183<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">20&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">21&#46;1<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sb &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&#46;3<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;02<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>0&#46;09&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">276<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>30&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">U &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">4&#42;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">126&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">133<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">216&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">243<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Zn &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">380&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">364<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">150&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">159<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "es" => "<p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Validaci&#243;n de los m&#233;todos con est&#225;ndares de referencia certificados de sedimento marino&#46; El valor obtenido es el que se determin&#243; en laboratorio&#46; PACS-2 y MESS-3 son los est&#225;ndares de referencia certificados</p>"
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              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Muestra</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Media</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Desviaci&#243;n est&#225;ndar</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">S1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Arena gruesa &#40;0&#46;65&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Moderadamente bien seleccionada &#40;0&#46;68&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Fuerte sesgo a los gruesos &#40;&#8722;0&#46;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">S2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Arena fina &#40;2&#46;03&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Pobremente seleccionada &#40;1&#46;25&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Fuerte sesgo a los gruesos &#40;&#8722;0&#46;71&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">S3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Arena gruesa &#40;0&#46;73&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Pobremente seleccionada &#40;1&#44;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">Fuerte sesgo a los gruesos &#40;&#8722;1&#46;02&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
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          "es" => "<p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">C&#225;lculo de par&#225;metros estad&#237;sticos de la composici&#243;n textural de sedimentos de playa de la costa occidental de la bah&#237;a La Ventana&#44; BCS&#46; Muestras de marzo</p>"
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            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="bottom" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S1-m</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S1-j</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S1-s</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S2-m</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S2-j</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S2-s</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S3-m</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S3-j</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S3-s</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">CTS</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">ERL</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Li&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">12&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">12&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">17&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">22&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Al&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;59&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;46&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;61&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;47&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;41&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;98&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">9&#46;12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">9&#46;19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">9&#46;26&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">7&#46;74&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Ca&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;62&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;48&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;15&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;44&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;24&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;94&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Fe&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;41&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;68&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;44&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;53&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;32&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;39&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;08&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">As&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Ba&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 250&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 260&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 240&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 090&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 140&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 160&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 050&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 020&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1 010&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">668&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Cd&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Co&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Cr&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">33&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">6&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">21&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">5&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">6&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">4&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">7&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">5&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">81&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Cu&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">6&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">4&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">34&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Hg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">&#60;<span class="elsevierStyleHsp" style=""></span>10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">56&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">150&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Mn&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">54&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">63&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">47&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">119&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">70&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">69&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">42&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">34&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">527&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Ni&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">18&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">20&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Pb&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">15&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">15&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">15&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">17&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">46&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sb&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;31&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sr&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">779&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">794&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">791&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">818&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">793&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">798&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">807&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">813&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">832&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">316&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">U&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">0&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">2&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">V&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">16&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">53&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Zn&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">15&#46;2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">26&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&#46;3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">20&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">12&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">10&#46;5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">52&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">150&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "es" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Concentraciones de Al&#44; Ca y Fe &#40;&#37;&#41;&#59; de Li&#44; As&#44; Ba&#44; Cd&#44; Co&#44; Cu&#44; Mn&#44; Ni&#44; Pb&#44; Sb&#44; Sr&#44; U&#44; y Zn &#40;mg kg<span class="elsevierStyleSup">&#8722;1</span>&#41; y Hg &#40;&#956;g kg<span class="elsevierStyleSup">&#8722;1</span>&#41; en muestras de sedimentos de playa de la bah&#237;a La Ventana&#44; BCS&#46; S &#61; sitio de muestreo&#59; m&#61; marzo&#44; j&#61; junio&#44; s&#61; septiembre&#46; CTS&#61; valor promedio en la corteza terrestre superior &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Wedepohl&#44; 1995</a>&#41;&#46; ERL&#61; efectos de rango bajo &#40;<a class="elsevierStyleCrossRef" href="#bib0050">Long et al&#46;&#44; 1995</a>&#41;</p>"
        ]
      ]
      8 => array:7 [
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        "etiqueta" => "Cuadro 4"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:1 [
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Muestra</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">N</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">S</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">J</span>&#39;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">H</span>&#39;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black">&#955;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="center" valign="bottom" scope="col" style="border-bottom: 2px solid black">1- <span class="elsevierStyleItalic">&#955;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Marzo R1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">260&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;80&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">4&#46;11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;100&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;900&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Marzo R2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">154&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">28&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;75&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;62&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;144&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;856&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Marzo R3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">144&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">24&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;71&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;28&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;167&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;833&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Junio R1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">159&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">43&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;87&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">4&#46;70&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;052&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;947&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Junio R2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">152&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">31&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;80&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;98&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;097&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;903&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Junio R3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">135&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">29&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;73&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;55&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;158&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;841&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sep&#46; R1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">295&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">41&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;78&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">4&#46;18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;088&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;912&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sep&#46; R2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">152&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">16&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;80&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;20&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;122&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;878&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sep&#46; R3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">128&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;61&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">2&#46;53&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;279&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;721&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Marzo Se1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">315&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">36&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;70&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;64&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;144&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;856&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Marzo Se2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">101&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;78&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;52&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;171&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;829&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Marzo Se3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">115&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;77&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;26&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;159&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;841&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Junio Se1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">119&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;31&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">1&#46;15&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;707&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;293&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Junio Se2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">147&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">30&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;55&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">2&#46;71&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;379&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;621&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Junio Se3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">137&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;57&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">2&#46;67&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;350&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;650&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sep&#46; Se1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">108&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;60&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">2&#46;55&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;330&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;670&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sep&#46; Se2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">116&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">29&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;69&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">3&#46;35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;209&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;790&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom">Sep&#46; Se3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">105&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="center" valign="bottom">14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;59&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">2&#46;24&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;358&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="bottom">0&#46;642&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab758017.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "es" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Valores de los &#237;ndices que describen la estructura de asociaciones de diatomeas bent&#243;nicas en 3 sitios de la playa occidental de la bah&#237;a La Ventana&#44; BCS&#46; Tama&#241;o de muestra &#40;N&#41;&#44; riqueza de especies &#40;S&#41;&#44; equidad de Pielou &#40;J&#39;&#41;&#44; diversidad de Shannon &#40;H&#39;&#41;&#44; dominancia de Simpson &#40;&#955;&#41;&#44; diversidad de Simpson &#40;1-&#955;&#41;&#46; R&#61; roca&#59; Se&#61; sedimentos</p>"
        ]
      ]
      9 => array:7 [
        "identificador" => "tbl0025"
        "etiqueta" => "Cuadro 5"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:1 [
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Achnanthes brevipes</span> var&#46; <span class="elsevierStyleItalic">intermedia</span> &#40;K&#252;tzing&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Achnanthes hauckiana</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Achnanthes longipes</span> Agardh&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Achnanthes manifera</span> Brun&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Achnanthes</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Achnanthes yaquinensis</span> Hendey&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Actinocyclus curvatulus</span> Janish in A&#46; Schmidt&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphicocconeis disculoides</span> &#40;Hustedt&#41; Stefano y Marino&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora angulosa</span> Grunow&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora angusta</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora angustissima</span> Heiden in Heiden y Kolbe&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora bigibba</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora kolbei</span> Aleem&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora</span> cf&#46; <span class="elsevierStyleItalic">profusa</span> Giffen&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora contracta</span> Grunow&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora crassa</span> Gregory&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora holsaticoides</span> Naguno y Kobayashi&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora immarginata</span> Naguno&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora proteus</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora proteus</span> var&#46; <span class="elsevierStyleItalic">contigua</span> Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora</span> sp&#46; 2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora spectabilis</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora terroris</span> Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Amphora wisei</span> &#40;Salah&#41; Simonsen&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Biddulphia biddulphiana</span> &#40;J&#46; E&#46; Smith&#41; Boyer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Biddulphia tridens</span> &#40;Ehrenberg&#41; Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Caloneis liber</span> &#40;Cleve&#41; Smith&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Caloneis linearis</span> &#40;Grunow&#41; Boyer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Caloneis maxima</span> var&#46; <span class="elsevierStyleItalic">excentrica</span> Grunow&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Caloneis</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Caloneis</span> sp&#46; 2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Campylodiscus simulans</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Campylopyxis garkeana</span> &#40;Grunow&#41; Medlin&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis convexa</span> Giffen&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis</span> cf&#46; <span class="elsevierStyleItalic">hauniensis</span> Witkowski emend&#46; Witkowski&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis</span> cf&#46; <span class="elsevierStyleItalic">pelta</span> A&#46; Schmidt&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis diminuta</span> Pantocsek&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis dirupta</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis dirupta</span> var&#46; <span class="elsevierStyleItalic">flexella</span> &#40;Janish y Rabenhorst&#41; Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis distans</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis krammeri</span> Lange-Bertalot y Metzeltin&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis peltoides</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis placentula</span> Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis</span> sp&#46; 2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis speciosa</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeis sublitoralis</span> Hendey&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeiopsis fraudulenta</span> &#40;A&#46; Schmidt&#41; Witkowski&#44; Lange-Bertalot y Metzeltin&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cocconeiopsis patrickae</span> &#40;Hustedt&#41; Witkowski&#44; Lange-Bertalot y Metzeltin&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Cymbellonitzschia</span> cf&#46; <span class="elsevierStyleItalic">minima</span> Hustedt&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Delphineis surirella</span> &#40;Ehrenberg&#41; Andrews&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Denticula elegans</span> K&#252;tzing&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diatomella</span> sp&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis bombus</span> Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis</span> cf&#46; <span class="elsevierStyleItalic">vacillans</span> &#40;A&#46; Schmidt&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis crabro</span> Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis didyma</span> Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis droopii</span> Witkowski&#44; Belegratis y Economu-Amillii&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis littoralis</span> &#40;Donkin&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis littoralis</span> var&#46; <span class="elsevierStyleItalic">clathrata</span> 0strupp&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis papula</span> &#40;A&#46; Schmidt&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis smithii</span> &#40;Br&#233;bisson&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis</span> sp&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis</span> sp&#46; 2 &#40;cf&#46; <span class="elsevierStyleItalic">Navicula limitanea</span> A&#46; Schmidt&#46;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis splendida</span> &#40;Gregory&#41; Cleve&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis subcincta</span> &#40;A&#46; Schmidt&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Diploneis suborbicularis</span> &#40;Gregory&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Fallacia bioculata</span> Grunow&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Fallacia florinae</span> &#40;M&#246;eller&#41; Witkowski&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Fallacia forcipata</span> &#40;Greville&#41; Stickle y D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Fallacia vittata</span> &#40;Cleve&#41; D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Fragilariopsis doliolus</span> &#40;Walich&#41; Medlin y Sims&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Glyphodesmis</span> sp&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Gomphonemopsis pseudexigua</span> &#40;Simonsen&#41; Medlin&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Grammatophora marina</span> &#40;Lyngbye&#41; K&#252;tzing&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Grammatophora marina</span> var&#46; <span class="elsevierStyleItalic">subundulata</span> Grunow&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Grammatophora oceanica</span> &#40;Ehrenberg pro parte&#41; Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Grammatophora</span> sp&#46;1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Grammatophora undulata</span> Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Halamphora acutiuscula</span> &#40;K&#252;tzing&#41; Levkov&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Halamphora clara</span> &#40;A&#46; Schmidt&#41; Levkov&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Halamphora</span> cf&#46; <span class="elsevierStyleItalic">interrupta</span> &#40;Heiden&#41; Levkov&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Halamphora coffeaeformis</span> &#40;C&#46; Agardh&#41; Levkov&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Halamphora costata</span> &#40;W&#46; Smith&#41; Levkov&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Halamphora turgida</span> &#40;Gregory&#41; Levkov&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Licmophora communis</span> &#40;Heiberg&#41; Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Lyrella abrupta</span> &#40;Gregory&#41; D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Lyrella hennedyi</span> &#40;W&#46; Smith&#41; Stickle y D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Lyrella irrorata</span> &#40;Greville&#41; D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Lyrella irroratoides</span> &#40;Hustedt&#41; D&#46; G&#46; Mann&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia acutiuscula</span> var&#46; <span class="elsevierStyleItalic">elliptica</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia angusta</span> Hustedt&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia asperuloides</span> Hustedt&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia</span> cf&#46; <span class="elsevierStyleItalic">decipiens</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia</span> cf&#46; <span class="elsevierStyleItalic">horvathiana</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia citrus</span> Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia crucicula</span> &#40;Grunow&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia crucicula</span> var&#46; <span class="elsevierStyleItalic">alternans</span> Zanon&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia fimbriata</span> &#40;Brightwell&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia grunowi</span> A&#46; Schmidt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia inaequalis</span> Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia ovulum</span> Hustedt&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia ovum paschale</span> &#40;A&#46; Schmidt&#41; Mann&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia pusilla</span> var&#46; <span class="elsevierStyleItalic">subcapitata</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia</span> sp&#46; 2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Mastogloia splendida</span> &#40;Gregory&#41; Cleve&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Melosira nummuloides</span> &#40;Dillwyn&#41; Agardh&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula cancellata</span> Donkin&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula carinifera</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> cf&#46; <span class="elsevierStyleItalic">agnita</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> cf&#46; <span class="elsevierStyleItalic">flebilis</span> Cholnoky&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> cf&#46; <span class="elsevierStyleItalic">radiosa</span> K&#252;tzing&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> cf&#46; <span class="elsevierStyleItalic">salinarum</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula cincta</span> &#40;Ehrenberg&#41; Ralfs y Pritchard&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula cryptocephala</span> var&#46; <span class="elsevierStyleItalic">subsalina</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula digitoradiata</span> &#40;Gregory&#41; Ralfs in Pritchard&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula directa</span> &#40;W&#46; Smith&#41; Ralfs&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula disserta</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula diversistriata</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula johanrosii</span> Giffen&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula longa</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula longa</span> var&#46; <span class="elsevierStyleItalic">irregularis</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula platyventris</span> Meister&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> sp&#46; 3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula</span> sp&#46; 4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Navicula zostereti</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia constricta</span> &#40;K&#252;tzing&#41; Ralfs&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia distans</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia filiformis</span> &#40;W&#46; Smith&#41; Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia frustlum</span> var&#46; <span class="elsevierStyleItalic">perminuta</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia gracilis</span> &#40;Hantzsch&#41; Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia</span> cf&#46; <span class="elsevierStyleItalic">k&#252;tzingiana</span> Hilse&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia longissima</span> var&#46; <span class="elsevierStyleItalic">costata</span> Hustedt in Schmidt et al&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia panduriformis</span> var&#46; <span class="elsevierStyleItalic">minor</span> W&#46; Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia punctata</span> var&#46; <span class="elsevierStyleItalic">coarctata</span> &#40;Grunow&#41; Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nitzschia sigmaformis</span> Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Nupela</span> cf&#46; <span class="elsevierStyleItalic">lesothensis</span> &#40;Schoeman&#41; Lange-Bertalot&#42;&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Odontella aurita</span> Greville&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Oestrupia powelii</span> &#40;Lewis&#41; Heiden in A&#46; Schmidt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Opephora</span> cf&#46; <span class="elsevierStyleItalic">gemmata</span> &#40;Grunow&#41; Hustedt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Opephora pacifica</span> &#40;Grunow&#41; Petit&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Paralia sulcata</span> &#40;Ehrenberg&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Paralia sulcata</span> var&#46; <span class="elsevierStyleItalic">crenulata</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Plagiogramma pulchellum</span> var&#46; <span class="elsevierStyleItalic">pygmaea</span> &#40;Greville&#41; Peragallo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Plagiogrammopsis vanheurckii</span> &#40;Grunow&#41; Hasle&#44; von Stosch y Syvertsen&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Plagiotropis vitrea</span> var&#46; <span class="elsevierStyleItalic">genuina</span> A&#46; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Pleurosigma salinarum</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Psammodyction coarctata</span> &#40;Grunow&#41; D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Psammodyction</span> sp&#46; 1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Psammodiscus nitidus</span> &#40;Gregory&#41; Round y Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Raphoneis amphiceros</span> &#40;Ehrenberg&#41; Ehrenberg&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Raphoneisnitida</span> &#40;Gregory&#41; Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Rhopalodia pacifica</span> Krammer&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Seminavis</span> cf&#46; <span class="elsevierStyleItalic">obtusiuscula</span> &#40;Grunow&#41; Danieledis y D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Seminavis ventricosa</span> &#40;Gregory&#41; Garc&#237;a-Baptista&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Shionodiscus oestrupii</span> &#40;Ostenfeld&#41; A&#46; J&#46; Alverson&#44; S&#46; H&#46; Kang y E&#46; C&#46; Theriot <span class="elsevierStyleItalic">Surirella hybrida</span> var&#46; <span class="elsevierStyleItalic">contracta</span> Peragallo&#42;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Surirella fastuosa</span> &#40;Ehrenberg&#41; K&#252;tzing&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Surirella fastuosa</span> var&#46; <span class="elsevierStyleItalic">cuneata</span> A&#46; Schmidt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Surirella fastuosa</span> var&#46; <span class="elsevierStyleItalic">suborbicularis</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Surirella reniformis</span> Grunow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Synedra commutata</span> Grunow in Cleve y Round&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Synedra crystallina</span> &#40;C&#46; Agardh&#41; K&#252;tzing&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Tabularia fasciculata</span> &#40;C&#46; Agardh&#41; D&#46; M&#46; Williams y Round&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Tabularia gaillonii</span> &#40;Bory de Saint-Vincent&#41; Bukhtiyarova&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Thalassiosira eccentrica</span> &#40;Ehrenberg&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Thalassiosira lineata</span> Jous&#233;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Thalassiosira</span> sp 1&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Toxarium undulatum</span> Bailey&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Trachyneis aspera</span> &#40;Ehrenberg&#41; Cleve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Trachyneis velata</span> A&#46; Schmidt&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Triceratium dubium</span> Brightwell&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Tryblionella apiculata</span> Gregory&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Tryblionella marginulata</span> var&#46; <span class="elsevierStyleItalic">didyma</span> &#40;Grunow&#41; D&#46; G&#46; Mann&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="bottom"><span class="elsevierStyleItalic">Vikingea</span> sp&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "es" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Diatomeas epil&#237;ticas del submareal y de sedimentos del intermareal de la playa de la bah&#237;a La Ventana&#44; BCS&#46; &#42;Nuevos registros &#40;30&#41; para la pen&#237;nsula de BC y para M&#233;xico&#42;&#42; &#40;14&#41;</p>"
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        "mostrarFloat" => false
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          "es" => "<p id="spar0080" class="elsevierStyleSimplePara elsevierViewall">66&#44; 67&#41; <span class="elsevierStyleItalic">Mastogloia splendida</span>&#59; 68&#41; <span class="elsevierStyleItalic">Mastogloia</span> sp&#46; 1&#59; 69&#44; 70&#41; <span class="elsevierStyleItalic">M&#46; citrus</span>&#59; 71&#44; 72&#41; <span class="elsevierStyleItalic">M&#46; angusta</span>&#59; 73&#44; 74&#41; <span class="elsevierStyleItalic">Mastogloia</span> sp&#46; 2&#59; 75&#44; 76&#41; <span class="elsevierStyleItalic">M&#46; fimbriata</span>&#59; 77&#44; 78&#41; <span class="elsevierStyleItalic">M&#46; acutiuscula</span> var&#46; <span class="elsevierStyleItalic">elliptica</span>&#59; 79&#41; <span class="elsevierStyleItalic">M&#46; pusilla</span> var&#46; <span class="elsevierStyleItalic">subcapitata</span>&#59; 80&#8211;82&#41;<span class="elsevierStyleItalic">M&#46; crucicula</span>&#59; 83&#44; 84&#41; <span class="elsevierStyleItalic">M&#46; grunowi</span>&#59; 85&#41; <span class="elsevierStyleItalic">M&#46; crucicula</span> var&#46; <span class="elsevierStyleItalic">alternans</span>&#46; Barra&#61;<span class="elsevierStyleHsp" style=""></span>10<span class="elsevierStyleHsp" style=""></span>&#956;m&#46;</p>"
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          "es" => "<p id="spar0085" class="elsevierStyleSimplePara elsevierViewall">86&#44; 87&#41; <span class="elsevierStyleItalic">Trachyneis aspera</span>&#59; 88&#44; 89&#41; <span class="elsevierStyleItalic">T&#46; velata</span>&#59; 90&#44; 91&#44; 92&#41; <span class="elsevierStyleItalic">Nupela</span> cf&#46; <span class="elsevierStyleItalic">lesothensis</span>&#59; 93&#41; <span class="elsevierStyleItalic">Nav&#237;cula</span> sp&#46; 3&#59; 94&#41; <span class="elsevierStyleItalic">Ardissonia crystallina</span>&#59; 95&#41; <span class="elsevierStyleItalic">Raphoneis amphiceros</span>&#59; 96&#41; <span class="elsevierStyleItalic">Haslea nautica</span>&#59; 97&#41; <span class="elsevierStyleItalic">Caloneis</span> sp&#46; 2&#59; 98&#41; <span class="elsevierStyleItalic">Caloneis maxima</span> var&#46; <span class="elsevierStyleItalic">excentrica</span>&#59; 99&#41; <span class="elsevierStyleItalic">C&#46; liber</span>&#59; 100&#41; C&#46; <span class="elsevierStyleItalic">linearis</span>&#59; 101&#41; <span class="elsevierStyleItalic">Caloneis</span> sp&#46; 1&#46; Barra&#61;<span class="elsevierStyleHsp" style=""></span>10<span class="elsevierStyleHsp" style=""></span>&#956;m&#46;</p>"
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                      "Libro" => array:5 [
                        "titulo" => "Field and laboratory methods for general ecology"
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