{"id":87542,"date":"2018-03-10T00:12:21","date_gmt":"2018-03-10T00:12:21","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efectos-de-factores-ambientales-y-tamano-de-huevo-sobre-eficacia-biologica-en-trucha-comun-salmo-trutta-l\/"},"modified":"2018-03-10T00:12:21","modified_gmt":"2018-03-10T00:12:21","slug":"efectos-de-factores-ambientales-y-tamano-de-huevo-sobre-eficacia-biologica-en-trucha-comun-salmo-trutta-l","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/efectos-de-factores-ambientales-y-tamano-de-huevo-sobre-eficacia-biologica-en-trucha-comun-salmo-trutta-l\/","title":{"rendered":"Efectos de factores ambientales y tama\u00f1o de huevo sobre eficacia biol\u00f3gica en trucha com\u00fan (salmo trutta l.)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alfredo Fernandez Ojanguren Garcia Comas <\/strong><\/h2>\n<p>Estudios previos sobre estrategias reproductivas y evoluci\u00f3n de ciclos de vida en trucha com\u00fan (salvo trutta l) han mostrado que existe una tendencia a maximizar tanto el n\u00famero como el tama\u00f1o de los huevos. Puesto que el reparto de la inversi\u00f3n se realiza a partir de una cantidad limitada de recursos, si se incrementa la inversi\u00f3n se realiza a partir de una cantidad limitada de recursos, si se incrementa la inversi\u00f3n por descendiente, s\u00f3lo las ventajas asociadas a una mayor tama\u00f1o de huevo compensar\u00edan la reducci\u00f3n en la fecundidad. Los individuos procedentes de huevos grandes tienen un mayor tama\u00f1o al inicio de la alimentaci\u00f3n, e incluso varios meses despu\u00e9s de la eclosi\u00f3n. El tama\u00f1o individual en la fase juvenil se relaciona positivamente con variables complejas (crecimiento, locomoci\u00f3n o resistencia al ayuno) con implicaciones ecol\u00f3gicas y evolutivas que podr\u00edan ser indicadores de eficacia biol\u00f3gica. Adem\u00e1s del tama\u00f1o, la temperatura del agua es uno de los principales condicionantes del rendimiento en dichas funciones. La temperatura presenta relaciones negativas con el tiempo de desarrollo desde la fecundaci\u00f3n de los huevos hasta la eclosi\u00f3n y con el tama\u00f1o de los embriones y una relaci\u00f3n curva con la supervivencia embrionaria, con una regi\u00f3n de m\u00e1xima supervivencia entre 8 y 10\u00c2\u00ba c. El crecimiento, la ingesti\u00f3n de alimento, la actividad y la capacidad de nataci\u00f3n tambi\u00e9n presentan relaciones curvas con la temperatura del agua, con \u00f3ptimos en torno a los 17 \u00c2\u00ba c. Sin embargo, la amplitud de las curvas de rendimiento t\u00e9rmico es mayor en el caso de la locomoci\u00f3n posiblemente debido a una conexi\u00f3n m\u00e1s inmediata con la supervivencia.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efectos de factores ambientales y tama\u00f1o de huevo sobre eficacia biol\u00f3gica en trucha com\u00fan (salmo trutta l.)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efectos de factores ambientales y tama\u00f1o de huevo sobre eficacia biol\u00f3gica en trucha com\u00fan (salmo trutta l.) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alfredo Fernandez Ojanguren Garcia Comas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/11\/2000<\/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>Florentino Bra\u00f1a Vigil<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Carlos Granado lorencio <\/li>\n<li>pedro Antonio Rincon cinca (vocal)<\/li>\n<li>Francisco Javier Lobon cervia (vocal)<\/li>\n<li>adolfo De sostoa fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alfredo Fernandez Ojanguren Garcia Comas Estudios previos sobre estrategias reproductivas y evoluci\u00f3n de ciclos de vida en [&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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