{"id":12967,"date":"2018-03-09T08:59:03","date_gmt":"2018-03-09T08:59:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ecologia-de-la-alimentacion-en-el-chorlitejo-patinegro-charadrius-alexandrinus-aexiste-plasticidad-comportamental-y-fisiologica-asociada-al-sexo\/"},"modified":"2018-03-09T08:59:03","modified_gmt":"2018-03-09T08:59:03","slug":"ecologia-de-la-alimentacion-en-el-chorlitejo-patinegro-charadrius-alexandrinus-aexiste-plasticidad-comportamental-y-fisiologica-asociada-al-sexo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/ecologia-de-la-alimentacion-en-el-chorlitejo-patinegro-charadrius-alexandrinus-aexiste-plasticidad-comportamental-y-fisiologica-asociada-al-sexo\/","title":{"rendered":"Ecolog\u00eda de la alimentacion en el chorlitejo patinegro charadrius alexandrinus: \u00c2\u00bfexiste plasticidad comportamental y fisiologica asociada al sexo?"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Esperanza Macarena Castro Casas <\/strong><\/h2>\n<p>La epoca reproductora ha sido considerada tradicionalmente como un periodo de alta demanda energetica y de \u00abcuello de botella\u00bb, ya que en esta se alcanzarian los maximos niveles de gasto energetico en el ciclo de vida del individuo (drent y daan 1980, kirkwood 1983, martin 1987). No obstante, esta consideraci\u00f3n general no es extrapolable a todos los casos. Si bien existen estudios en los cuales se ha comprobado que existe un incremento en el gasto energetico diario durante la reproduccion (wijnandts 1984, masman et al. 1988, gales y green 1990), otros han encontrado que dicho gasto energetico es similar, en invierno y en el periodo reproductor (walsberg 1977, mugaas y king 1981, wathers y sullivan 1993, anava et al 2000), sugiriendo que existiria una redistribucion de los requerimientos energeticos de una estaci\u00f3n a otra (weathers y sullivan 1993, webster y weathers 2000). Se ha propuesto, adem\u00e1s que puede existir una variacion estacional en el gasto energetico asociada al sexo. Es decir, que ambos sexos se enfrenten a un requerimiento distinto de energia durante la reproducci\u00f3n (erckmann 1983). sin embargo, aun resultado en un similar gasto energ\u00e9tico, pueden existir patrones comportamentales o fisiol\u00f3gicos, que enmascaren dicho aumento (king y murphy 1985)&#8230; Por ello, existen dos grandes objetivos en la presente memoria, ambos relacionados con la obtenci\u00f3n de energia durante la reproduccion. conocer si realmente la reproducci\u00f3n es un periodo de alta demanda energ\u00e9tica respecto al invierno para el chorlitejo patinegro y a la vez, comprobar si existe un patr\u00f3n comportamental y fisiol\u00f3gico diferencial asociado al sexo, para hacer frente a los requerimientos de esta epoca. Tras el an\u00e1lisis de distintas variables comportamentales y llevando a cabo experimentos en cautividad para conocer la eficiencia de asimilaci\u00f3n energetica y nutricional esta especie, llegamos a las siguientes conclusiones principales.: -No se constat\u00f3 un camb<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Ecolog\u00eda de la alimentacion en el chorlitejo patinegro charadrius alexandrinus: \u00c2\u00bfexiste plasticidad comportamental y fisiologica asociada al sexo?<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Ecolog\u00eda de la alimentacion en el chorlitejo patinegro charadrius alexandrinus: \u00c2\u00bfexiste plasticidad comportamental y fisiologica asociada al sexo? <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Esperanza Macarena Castro Casas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00e1diz<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/09\/2001<\/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>Alejandro Perez Hurtado De Mendoza<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  manuel S\u00e1nchez guzm\u00e1n <\/li>\n<li>Andr\u00e9s Barbosa alcon (vocal)<\/li>\n<li>douglas Goss-custard john (vocal)<\/li>\n<li>andrew John green (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Esperanza Macarena Castro Casas La epoca reproductora ha sido considerada tradicionalmente como un periodo de alta demanda [&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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