{"id":11970,"date":"2001-05-07T00:00:00","date_gmt":"2001-05-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/consecuencias-demograficas-de-la-dispersion-de-semillas-por-aves-y-mama%c2%adferos-fruga%c2%advoros-en-la-vegetacion-mediterranea-de-montana\/"},"modified":"2001-05-07T00:00:00","modified_gmt":"2001-05-07T00:00:00","slug":"consecuencias-demograficas-de-la-dispersion-de-semillas-por-aves-y-mama%c2%adferos-fruga%c2%advoros-en-la-vegetacion-mediterranea-de-montana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/consecuencias-demograficas-de-la-dispersion-de-semillas-por-aves-y-mama%c2%adferos-fruga%c2%advoros-en-la-vegetacion-mediterranea-de-montana\/","title":{"rendered":"Consecuencias demogr\u00e1ficas de la dispersi\u00f3n de semillas por aves y mam\u00edferos frug\u00edvoros en la vegetaci\u00f3n mediterr\u00e1nea de monta\u00f1a"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Luis Garcia Casta\u00f1o <\/strong><\/h2>\n<p>En la presente tesis doctoral se han estudiado las consecuencias demogr\u00e1ficas de la dispersi\u00f3n de semillas por aves y mam\u00edferos frug\u00edvoros en la vegetaci\u00f3n mediterr\u00e1nea de monta\u00f1a a trav\u00e9s de las siguientes etapas demogr\u00e1ficas: patr\u00f3n de fructificacion de las especies confruto carnoso,uso del h\u00e1bitat por las aves y mam\u00edferos, lluvia de semillas generada por \u00e9stos, depredaci\u00f3n posdispersiva, germinaci\u00f3n de las semillas y supervivencia temprana de las pl\u00e1ntulas emergentes. Encontramos un marcado patr\u00f3n fenol\u00f3gico en la presencia y diversidad de frutos carnosos en el \u00e1rea, as\u00ed como un uso de los diferentes microh\u00e1bitats caracter\u00edstico para diferentes especies de aves y para los mam\u00edferos. La lluvia de semillas generadas por los diferentes grupos de dispersores fue muy diferente, dispersando, con excepciones, las aves las semillas a lugares con cobertura y los mam\u00edferos a lugares sin cobertura. La depredaci\u00f3n posdispersiva de las semillas present\u00f3 un maracado patr\u00f3n en funci\u00f3n de la especie y el microh\u00e1bitat y, en t\u00e9rminos genrales, fue mayor para las dispuestas de forma an\u00e1loga a las procedentes de la dispersi\u00f3n por aves que para las procedentes de las dispersi\u00f3n por mam\u00edferos. La germinaci\u00f3n tambi\u00e9n present\u00f3 diferencias entre especies y microh\u00e1bitats y, para el caso de los mam\u00edferos, fue virtualmente nula. la  supervivencia de las pl\u00e1ntulas fue mayor en lugares con cobertura, siendo \u00e9stos los lugares donde se produce la regeneraci\u00f3n de la vegetaci\u00f3n a trav\u00e9s de la dispersi\u00f3n ornit\u00f3cora a pesar de la falta de concordancia entre las diferentes etapas demogr\u00e1ficas para un especie y microh\u00e1bitat concreto. La dispersi\u00f3n por mam\u00edferos podr\u00eda influir en la vegetaci\u00f3n por el transporte de semillas a larga distancia, importando prop\u00e1gulos de especies no presentes en el \u00e1rea de estudio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Consecuencias demogr\u00e1ficas de la dispersi\u00f3n de semillas por aves y mam\u00edferos frug\u00edvoros en la vegetaci\u00f3n mediterr\u00e1nea de monta\u00f1a<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Consecuencias demogr\u00e1ficas de la dispersi\u00f3n de semillas por aves y mam\u00edferos frug\u00edvoros en la vegetaci\u00f3n mediterr\u00e1nea de monta\u00f1a <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Luis Garcia Casta\u00f1o <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/07\/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>Pedro Diego Jordano Barbudo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: salvador Talavera lozano <\/li>\n<li>Miguel Delibes castro (vocal)<\/li>\n<li>Jos\u00e9 angel Merino ortega (vocal)<\/li>\n<li>\u00e1ngel Mart\u00edn vicente (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Luis Garcia Casta\u00f1o En la presente tesis doctoral se han estudiado las consecuencias demogr\u00e1ficas de la 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