{"id":69094,"date":"2004-06-07T00:00:00","date_gmt":"2004-06-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-nematofauna-edafica-de-la-ribera-del-ra%c2%ado-guadiamar-un-enfoque-ecotoxicologico\/"},"modified":"2004-06-07T00:00:00","modified_gmt":"2004-06-07T00:00:00","slug":"la-nematofauna-edafica-de-la-ribera-del-ra%c2%ado-guadiamar-un-enfoque-ecotoxicologico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/alcala\/la-nematofauna-edafica-de-la-ribera-del-ra%c2%ado-guadiamar-un-enfoque-ecotoxicologico\/","title":{"rendered":"La nematofauna ed\u00e1fica de la ribera del r\u00edo guadiamar: un enfoque ecotoxicol\u00f3gico."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sara S\u00e1nchez Moreno <\/strong><\/h2>\n<p>En abril de 1998 la ruptura de la balsa de residuos de la mina de extracci\u00f3n de pirita de aznalc\u00f3llar (sevilla, espa\u00f1a) produjo un vertido t\u00f3xico que afect\u00f3 a m\u00e1s de 4.400 ha del territorio en las cercan\u00edas del parque nacional de do\u00f1ana. El lodo, compuesto fundamentalmente por metales pesados y agua \u00e1cida cubri\u00f3 un tramo de m\u00e1s de 50 km de longitud de la ribera del r\u00edo guadiamar.  como componente fundamental del ecosistema ed\u00e1fico, se estudi\u00f3 el efecto del vertido sobre la comunidad nematol\u00f3gica del \u00e1rea afectada, con el objetivo de conocer el grado de recuperaci\u00f3n de la comunidad y su relaci\u00f3n con la cantidad de metales ( pb, cu, ni y zn) presentes en el medio.  tras muestrear  en cuatro ocasiones ( junio de 2000, diciembre 2000, junio 2001 y febrero 2002) la zona contaminada y un \u00e1rea de referencia sin contaminar, se calcularon diferentes \u00edndices biol\u00f3gicos y se llev\u00f3 a cabo un estudio detallado de la estructura funcional de la comunidad de nematodos ed\u00e1ficos.  los resultados muestran que la comunidad nematol\u00f3gica es todav\u00eda significativamente diferente en ambas zonas de la ribera, y que la contaminaci\u00f3n por metales pesados sigue presente en el \u00e1rea de estudio.  adem\u00e1s, se realizaron varios tipos de bioensayos ecotoxicol\u00f3gicos en el laboratorio para dilucidad el efecto y la toxicidad relativa de los metales sobre algunas especies de nematodos y sobre la comunidad completa, cuyos resultados indican que existe una concordancia entre la toxicidad de los metales en condiciones experimentales y los resultados obtenidos de la distribuci\u00f3n y respuesta de cada tax\u00f3n en el campo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La nematofauna ed\u00e1fica de la ribera del r\u00edo guadiamar: un enfoque ecotoxicol\u00f3gico.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La nematofauna ed\u00e1fica de la ribera del r\u00edo guadiamar: un enfoque ecotoxicol\u00f3gico. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sara S\u00e1nchez Moreno <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/07\/2004<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Alfonso Navas S\u00e1nchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Mar\u00eda Rey benayas <\/li>\n<li>Miguel Talavera (vocal)<\/li>\n<li>reyes Pe\u00f1a Santiago (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sara S\u00e1nchez Moreno En abril de 1998 la ruptura de la balsa de residuos de la mina [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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