{"id":50991,"date":"2021-07-06T11:20:16","date_gmt":"2021-07-06T11:20:16","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ictiofauna-lagunar-del-delta-del-ebro-contaminacion-por-metales-pesados\/"},"modified":"2021-07-06T11:20:16","modified_gmt":"2021-07-06T11:20:16","slug":"ictiofauna-lagunar-del-delta-del-ebro-contaminacion-por-metales-pesados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/ictiofauna-lagunar-del-delta-del-ebro-contaminacion-por-metales-pesados\/","title":{"rendered":"Ictiofauna lagunar del delta del ebro: contaminacion por metales pesados."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Pena Alvarez Jos\u00e9 Carlos <\/strong><\/h2>\n<p>En esta investigacion basada en muestras tomadas entre los anos 1975 y 1979 en el delta del ebro  se ha abordado el estudio de las poblaciones de peces y tres lagunas litorales  basado en la variacion fenologica de especies y tallas  correlacion de las tres longitudes totales- lt lta y ls- con el rsto de las medidas corporales en cada especie. La determinacion de los periodos de reproduccion y desarrollo comparados con los presentados por las mismas especies en areas del mediterraneo proximas y deduccion de si las tres poblaciones de peces son semejantes en base al indice ponderal. En cuanto a los metales pesados- hg  pb  cd  cu y zn- se determinan los niveles en agua y sedimentos y peces. En estos ultimos se comparan los niveles de metal por tipos troficos y la importancia relativa del vector de acumulacion.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Ictiofauna lagunar del delta del ebro: contaminacion por metales pesados.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Ictiofauna lagunar del delta del ebro: contaminacion por metales pesados. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Pena Alvarez Jos\u00e9 Carlos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1983<\/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>Francisco Purroy Iraizos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Javier Purroy Iraizoz <\/li>\n<li>Jacinto Nadal Puigdefabregas (vocal)<\/li>\n<li>Juan  Manuel Nieto Nafr\u00eda (vocal)<\/li>\n<li>Diego Santiago Laguna (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pena Alvarez Jos\u00e9 Carlos En esta investigacion basada en muestras tomadas entre los anos 1975 y 1979 [&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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