{"id":1742,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/las-comunidades-de-aves-de-la-sierra-de-gredos\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"las-comunidades-de-aves-de-la-sierra-de-gredos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/las-comunidades-de-aves-de-la-sierra-de-gredos\/","title":{"rendered":"Las comunidades de aves de la sierra de gredos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alejandro Sanchez Perez <\/strong><\/h2>\n<p>Se estudian las comunidades de aves de la sierra de gredos (sistema central, espa\u00f1a), tanto en primavera como en invierno, sus relaciones con las caracteristicas del medio y la seleccion de habitat de las especies. El metodo de censo utilizado ha sido el taxiado. En primer lugar se describen la composicion, estructura y patrones estacionales de las ornitocenosis de los principales medios presentes en el area de estudio, con especial referencia a la distribucion de los migrantes transaharianos y a los efectos de la altitud. A continuacion, por medio de tecnicas estadisticas multivariantes se investigan las relaciones de la estructura de las comunidades (densidad, riqueza, etc.  con las variables ambientales medidas (hasta 42), discutiendose el papel de la heterogeneidad vertical y horizontal del medio y de sus caracteristicas fisonomicas y floristicas. Asimismo, se utiliza el analisis multivariante para describir los patrones de seleccion de habitat de las especies de passeriformes mas abundantes en la sierra de gredos y las variaciones estacionales de dicha seleccion. Finalmente, se construyen y se verifican modelos matematicos predictores de la abundancia primaveral de ciertas especies de acuerdo con las caracteristicas del habitat.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Las comunidades de aves de la sierra de gredos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Las comunidades de aves de la sierra de gredos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alejandro Sanchez Perez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Jos\u00e9 Luis Telleria Jorge<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Bernis Madrazo <\/li>\n<li>Joaquin Mu\u00f1oz-cobo Rosales (vocal)<\/li>\n<li>Jaime Potti Sanchez (vocal)<\/li>\n<li>Francisco Suarez Cardona (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alejandro Sanchez Perez Se estudian las comunidades de aves de la sierra de gredos (sistema central, espa\u00f1a), [&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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