{"id":140158,"date":"2026-01-12T17:52:04","date_gmt":"2026-01-12T17:52:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/las-ardeidas-coloniales-como-bioindicadores-de-contaminacion-residuos-de-organoclorados\/"},"modified":"2026-01-12T17:52:04","modified_gmt":"2026-01-12T17:52:04","slug":"las-ardeidas-coloniales-como-bioindicadores-de-contaminacion-residuos-de-organoclorados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/las-ardeidas-coloniales-como-bioindicadores-de-contaminacion-residuos-de-organoclorados\/","title":{"rendered":"Las ardeidas coloniales como bioindicadores de contaminacion. residuos de organoclorados."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Jos\u00e9 Jim\u00e9nez Sevilla <\/strong><\/h2>\n<p>La presencia de compuestos organoclorados en los ecosistemas acuaticos parece originar una disminucion en la poblacion de aves que habita en dichos ecosistemas, entre ellas las ardeidas coloniales que tienen una amplia representacion en la comunidad de castilla y leon, en particular la especie ardea cinerea (garza real), que al ocupar el ultimo eslabon de la cadena trofica alimentaria acumula sustancias contaminantes en gran cantidad por lo que puede ser utilizada como organismo bioindicador.  tratando de aportar datos para esclarecer este problema se ha examinado la incidencia de plagicidas de distintas familias y bifenilos policlorados en diferentes sistemas acuaticos discutiendo su relacion con la disminucion de la poblacion de garzas. Para llevarlo a cabo se ha desarrollado un sistema multirresiduo para cromatografia de gases que permite abordar 140 compuestos, se ha realizado un estudio comparativo de la extraccion- limpieza con florisil y acido sulfurico examinando ademas las posibilidades que aporta el empleo de un soxhlet de co2 a alta presion. Los procedimientos se han aplicado a la determinacion de organoclorados en diferentes matrices visceras, huevos, tejidos grasos, vegetales, sedimentos y aguas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Las ardeidas coloniales como bioindicadores de contaminacion. residuos de organoclorados.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Las ardeidas coloniales como bioindicadores de contaminacion. residuos de organoclorados. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Jos\u00e9 Jim\u00e9nez Sevilla <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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> Bernal Yague Jos\u00e9 Luis<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Salinas L\u00f3pez <\/li>\n<li>Jos\u00e9 Luis Mart\u00ednez Vidal (vocal)<\/li>\n<li>Juan  Jos\u00e9 Berzas Nevado (vocal)<\/li>\n<li>Rita Carabias Mart\u00ednez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Jos\u00e9 Jim\u00e9nez Sevilla La presencia de compuestos organoclorados en los ecosistemas acuaticos parece originar una disminucion [&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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