{"id":58632,"date":"2018-03-09T22:46:27","date_gmt":"2018-03-09T22:46:27","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/alimentacion-de-la-merluza-europea-merluccius-merluccius-l-en-el-mar-cantabrico\/"},"modified":"2018-03-09T22:46:27","modified_gmt":"2018-03-09T22:46:27","slug":"alimentacion-de-la-merluza-europea-merluccius-merluccius-l-en-el-mar-cantabrico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/zoologia\/alimentacion-de-la-merluza-europea-merluccius-merluccius-l-en-el-mar-cantabrico\/","title":{"rendered":"Alimentaci\u00f3n de la merluza europea (merluccius merluccius l.) en el mar cant\u00e1brico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco De As\u00eds Velasco Guevara <\/strong><\/h2>\n<p>En el presente trabajo se estudia la alimentaci\u00f3n de la merluza europea (merluccius merluccius) en el mar cant\u00e1brico, a partir del an\u00e1lisis de contenidos estomacales realizados a bordo de campa\u00f1as oceanogr\u00e1ficas y barcos comerciales entre los a\u00f1os 1990 y 1997. Los factores estudiados incluyen la variaci\u00f3n de la alimentaci\u00f3n  con la ontogenia de la merluza, y la variabilidad tanto estacional, como batim\u00e9rica y geogr\u00e1fica, considerando tanto la intensidad como la composici\u00f3n de la dieta. Adem\u00e1s se estudian las interrelaciones talla del predador, talla de presa; y aplicando t\u00e9cnicas multivariantes de an\u00e1lisis can\u00f3nico, e incluyendo como factores \u00abambientales\u00bb la talla, la profundidad, la estaci\u00f3n y el \u00e1rea geogr\u00e1fica; se estudia la importancia relativa de cada uno de estos factores en la composici\u00f3n de la dieta. Por otra parte, utilizando un modelo de evacuaci\u00f3n g\u00e1strica para g\u00e1didos se realiza una estimaci\u00f3n de las tasas de consumo dela merluza europea en el \u00e1rea de estudio, estudiando las diferencias producidas en las estimaciones de consumo como resultado de la elecci\u00f3n del modelo de crecimiento (r\u00e1pido seg\u00fan sugieren los resultados del marcado, o lento) aplicado en el proceso de estimaci\u00f3n del consumo, y el consumo producido sobre sus principales presas comerciales.     los dos factores determinantes de la variabilidad en la dieta de la merluza europea son la talla y la profundidad; observ\u00e1ndose alrededor de los 18 cm un cambio a una dieta m\u00e1s bent\u00f3nica basada en crust\u00e1ceos y peque\u00f1os peces, a una m\u00e1s pel\u00e1gica, compuesta fundamentalmente por peces pel\u00e1gico y  mesopel\u00e1gicos, entre los que destaca claramente la bacaladilla que es la presa fundamental de las merluzas europeas juveniles y adultas del mar cant\u00e1brico, apreci\u00e1ndose menos diferencias en la dieta entre las fases juveniles y adultas a la merluza. Las variaciones tanto batim\u00e9tricas y geogr\u00e1ficas, como estacionales en la dieta se corresponden a la mayor disponibilidad<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Alimentaci\u00f3n de la merluza europea (merluccius merluccius l.) en el mar cant\u00e1brico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Alimentaci\u00f3n de la merluza europea (merluccius merluccius l.) en el mar cant\u00e1brico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco De As\u00eds Velasco Guevara <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/05\/2007<\/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>Ignacio Olasa Toca<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: benigno Elvira payan <\/li>\n<li>valent\u00edn Buencuerpo arcas (vocal)<\/li>\n<li>Jes\u00fas Matallanas garcia (vocal)<\/li>\n<li>jean claude Sorbe (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco De As\u00eds Velasco Guevara En el presente trabajo se estudia la alimentaci\u00f3n de la merluza europea [&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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