{"id":144847,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/diferenciacion-genetica-de-la-trucha-comun-salmo-trutta-en-espana\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"diferenciacion-genetica-de-la-trucha-comun-salmo-trutta-en-espana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/diferenciacion-genetica-de-la-trucha-comun-salmo-trutta-en-espana\/","title":{"rendered":"Diferenciacion genetica de la trucha comun (salmo trutta) en espa\u00f1a"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Garc\u00eda Mar\u00edn Jos\u00e9 Luis <\/strong><\/h2>\n<p>Mediante el analisis de 49 loci alozimicos se ha descrito la cantidad y distribucion de la variabilidad genetica en las poblaciones naturales de trucha comun (salmo trutta) en espa\u00f1a y la variabilidad presente de los estocs de la especie utilizados en las repoblaciones. El 63% de la diversidad genetica encontrada en la spoblaciones naturales se debe a su diferenciacion. El patron de diferenciacion sigue la jerarquia hidrografica de los rios de la peninsula iberica y existe una clara separacion entre los rios que fluyen al atlantico y los que lo hacen al mediterraneo por la practica fijacion de aleolos alternativos en el locus ck-1*. Los estocs en los centros piscicolas, originados de ejemplares importados desde piscifactorias norteeuropeas, son altamente polimorticos pero marcadamente homogeneos, solo un 15% de la diversidad genetica total es debida a su diferenciacion. Estos estocs representan un tercer linaje de la trucha comun, no deectado de forma natural en nuestros rios, y las actuales practicas de repoblacion esta favoreciendo su introduccion y expansion, en detrimento del autentico acervo genetico de las poblaciones espa\u00f1olas. En interes de una mejora de la gestion se recomienda: (i) considerar a las poblaciones de un rio o tramo como la unidad de gestion; (ii) la conservacion de la diversidad genetica presente en las poblaciones autoctonas; (iii) la explotacion del recurso en base a las capacidades biogenicas de los rios y (iv) mantener solo el aporte continuado de los ejemplares desde la piscifactorias en zonas de pesca intensiva aislada del rest del rio por barreras naturales o artificiales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Diferenciacion genetica de la trucha comun (salmo trutta) en espa\u00f1a<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Diferenciacion genetica de la trucha comun (salmo trutta) en espa\u00f1a <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Garc\u00eda Mar\u00edn Jos\u00e9 Luis <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Carles Pla Zanuy<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Gonzalo \u00e1lvarez Jurado <\/li>\n<li>Diego Mar\u00eda no Garcia De Jalon De La Lastra (vocal)<\/li>\n<li>Fred Utter (vocal)<\/li>\n<li>Gloria Blanco Lizana (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Garc\u00eda Mar\u00edn Jos\u00e9 Luis Mediante el analisis de 49 loci alozimicos se ha descrito la cantidad y [&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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