{"id":61408,"date":"2018-03-09T22:49:18","date_gmt":"2018-03-09T22:49:18","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/causes-and-consequences-of-genetic-diversity-in-the-lesser-kestrel-falco-naumanni\/"},"modified":"2018-03-09T22:49:18","modified_gmt":"2018-03-09T22:49:18","slug":"causes-and-consequences-of-genetic-diversity-in-the-lesser-kestrel-falco-naumanni","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ecologia-animal\/causes-and-consequences-of-genetic-diversity-in-the-lesser-kestrel-falco-naumanni\/","title":{"rendered":"Causes and consequences of genetic diversity in the lesser kestrel (falco naumanni)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Joaquin Ortego Lozano <\/strong><\/h2>\n<p>En esta tesis se abordan dos cuestiones fundamentales relacionadas con la diversidad gen\u00e9tica en poblaciones naturales: (i) \u00c2\u00bfqu\u00e9 factores determinan los niveles de diversidad gen\u00e9tica?; (Ii) \u00c2\u00bfqu\u00e9 consecuencias tiene la diversidad gen\u00e9tica individual en la eficacia biol\u00f3gica y en la resistencia a par\u00e1sitos y enfermedades?. Para ello se utiliz\u00f3 como especie modelo al cern\u00edcalo primilla (falco naumanni), un ave migratoria y colonial que sufri\u00f3 un fuerte descenso poblacional en la segunda mitad del siglo xx. En primer lugar, se desarrollaron loci microsat\u00e9lites que permitieran determinar las caracter\u00edsticas gen\u00e9ticas de los individuos de esta especie. Individuos nacidos en colonias peque\u00f1as y aisladas presentaron una menor heterocigosidad. Estas colonias recibieron un menor n\u00famero de inmigrantes, apoyando la idea de que tanto un menor flujo gen\u00e9tico como un peque\u00f1o tama\u00f1o poblacional son responsables del patr\u00f3n de diversidad gen\u00e9tica observado. En esta tesis se ha demostrado que la dispersi\u00f3n natal es un mecanismo eficaz para evitar cruces con individuos gen\u00e9ticamente similares, indicando que este comportamiento contribuye de modo importante al mantenimiento de la diversidad gen\u00e9tica en poblaciones naturales. Por otro lado, la diversidad gen\u00e9tica aument\u00f3 con el tama\u00f1o de poblaci\u00f3n durante un periodo de expansi\u00f3n demogr\u00e1fica, probablemente como consecuencia de la llegada de inmigrantes que introdujeron nuevos alelos en la poblaci\u00f3n. En cuanto a las consecuencias que la diversidad gen\u00e9tica tiene en la eficacia biol\u00f3gica de los individuos se observ\u00f3 que el tama\u00f1o de puesta, pero no el volumen del huevo, aument\u00f3 con la heterocigosidad de la hembra. Por otro lado, la tasa de reclutamiento de los pollos tendi\u00f3 a disminuir en hembras, pero no en machos, con la similitud gen\u00e9tica de sus padres. Sin embargo, no se detect\u00f3 ning\u00fan efecto de las caracter\u00edsticas gen\u00e9ticas de los padres en la tasa de eclosi\u00f3n de los huevos. En cuanto a los<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Causes and consequences of genetic diversity in the lesser kestrel (falco naumanni)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Causes and consequences of genetic diversity in the lesser kestrel (falco naumanni) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Joaquin Ortego Lozano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Castilla-la mancha<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/11\/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> Aparicio Munera Jos\u00e9 Miguel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 julian Garde lopez-brea <\/li>\n<li>carles Vila (vocal)<\/li>\n<li>Jos\u00e9 Negro Juan (vocal)<\/li>\n<li>pablo Veiga jose (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Joaquin Ortego Lozano En esta tesis se abordan dos cuestiones fundamentales relacionadas con la diversidad gen\u00e9tica 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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