{"id":11244,"date":"2001-12-06T00:00:00","date_gmt":"2001-12-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribucion-al-conocimiento-de-la-ecologa%c2%ada-de-tres-especies-de-aves-coloniales-buitre-leonado-gyps-fulvus-cerna%c2%adcalo-primilla-falco-naumanni-y-graja-corvus-frugilegus\/"},"modified":"2001-12-06T00:00:00","modified_gmt":"2001-12-06T00:00:00","slug":"contribucion-al-conocimiento-de-la-ecologa%c2%ada-de-tres-especies-de-aves-coloniales-buitre-leonado-gyps-fulvus-cerna%c2%adcalo-primilla-falco-naumanni-y-graja-corvus-frugilegus","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/contribucion-al-conocimiento-de-la-ecologa%c2%ada-de-tres-especies-de-aves-coloniales-buitre-leonado-gyps-fulvus-cerna%c2%adcalo-primilla-falco-naumanni-y-graja-corvus-frugilegus\/","title":{"rendered":"Contribuci\u00f3n al conocimiento de la ecolog\u00eda de tres especies de aves coloniales: buitre leonado gyps fulvus cern\u00edcalo primilla falco naumanni y graja corvus frugilegus."},"content":{"rendered":"<h2>Tesis doctoral de <strong> \u00e1ngel Pedro P\u00e9rez Olea <\/strong><\/h2>\n<p>Se estudian varios aspectos poco trataods o desconocidos de la ecolog\u00eda de tres especies de aves coloniales.  del buitre leonado se trata la reciente colonizaci\u00f3n de un \u00e1rea en el noreste de espa\u00f1a, sugiri\u00e9ndose que dicha colonizaci\u00f3n (un evento raro en la especie) ha podido ser causada por un incremento en al fracci\u00f3n de dispersantes provenientes de poblaciones pr\u00f3ximas en aumento, combiando con las condiciones favorables ofrecidas pro el \u00e1rea de estudio.  del cern\u00edcalo primilla, una especie gravemente amenazada, se estudia el periodo postreproductor (escasamente conocido) realiz\u00e1ndose un an\u00e1lisis de la dispersi\u00f3n juvenil en toda espa\u00f1a y un estudio sobre la concentraci\u00f3n premigratoria de la especie en un \u00e1rea del noroeste peninsular, examinandola distribuci\u00f3n espacial de la abundancia y el uso de dormideros comunales, descritos y monitoreados por primera vez en esta especie. Adem\u00e1s se realiza un censo de la poblaci\u00f3n reproductora de primilla en una poblaci\u00f3n l\u00edmite de distribuci\u00f3n noroccidental encontr\u00e1ndose una contracci\u00f3n de su \u00e1rea de distribuci\u00f3n en los \u00faltimos a\u00f1os.  finalmente se realiza un estudio de la relaci\u00f3n entre vertederos de basura y la \u00fanica poblaci\u00f3n reproductora de granja en espa\u00f1a, midiendo los efectos del uso de este recurso (abundante y predecible) sobre las distancias de forrajeo de los reproductores de graja y sobre el n\u00famero de parejas reproductoras., En este estudio mostramos, por primera vez para nuestro conocimiento, una influencia del vertedero a corto y largo plazo sobre la poblaci\u00f3n reproductora en una especie, controlando simult\u00e1neamente otras variables potencialmente influyentes y usando grupos de poblaci\u00f3n control al modificarse los vertederos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribuci\u00f3n al conocimiento de la ecolog\u00eda de tres especies de aves coloniales: buitre leonado gyps fulvus cern\u00edcalo primilla falco naumanni y graja corvus frugilegus.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribuci\u00f3n al conocimiento de la ecolog\u00eda de tres especies de aves coloniales: buitre leonado gyps fulvus cern\u00edcalo primilla falco naumanni y graja corvus frugilegus. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 \u00e1ngel Pedro P\u00e9rez Olea <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/06\/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>Francisco Javier Purroy Iraizoz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: salvador Peris <\/li>\n<li>\u00e1ngel Hern\u00e1ndez (vocal)<\/li>\n<li>Javier Vi\u00f1uela (vocal)<\/li>\n<li>vicente Ena (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de \u00e1ngel Pedro P\u00e9rez Olea Se estudian varios aspectos poco trataods o desconocidos de la ecolog\u00eda de tres [&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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