{"id":80423,"date":"2018-03-10T00:04:07","date_gmt":"2018-03-10T00:04:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ecologa%c2%ada-de-la-dispersion-de-semillas-por-los-lagartos-endemicos-canarios-g-gallotia-lacertidae\/"},"modified":"2018-03-10T00:04:07","modified_gmt":"2018-03-10T00:04:07","slug":"ecologa%c2%ada-de-la-dispersion-de-semillas-por-los-lagartos-endemicos-canarios-g-gallotia-lacertidae","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/ecologa%c2%ada-de-la-dispersion-de-semillas-por-los-lagartos-endemicos-canarios-g-gallotia-lacertidae\/","title":{"rendered":"Ecolog\u00eda de la dispersi\u00f3n de semillas por los lagartos end\u00e9micos canarios (g.gallotia, lacertidae)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alfredo Valido Amador <\/strong><\/h2>\n<p>El objetivo de la presenta tesis  es mostrar, bajo una perspectiva ecol\u00f3gica y evolutiva, la importancia de los lagartos end\u00e9micos canarios(gallotia spp.,Lacertidae) en dispersi\u00f3n de semillas de plantas vasculares en las islas canarias. El an\u00e1lisis de la saurocoria se ha desarrollado en tres niveles de aproximaci\u00f3n que difieren en el grado de profundidad tratado, pero estrechamente relacionados entre s\u00ed: i) patrones de frugivor\u00eda en lagartos, ii) interacciones ecol\u00f3gicas y iii) interacciones evolutivas. en la primera se aportan datos sobre la variabilidad espacial(entre h\u00e1bitats) y temporal( a lo largo de un ciclo anual) del componente frug\u00edvoro en la dieta de los lagartos (g. Galloti), las consecuencias del tratamiento digestivo sobre la viabilidad y germinaci\u00f3n de las semillas, as\u00ed como de los caracteres anat\u00f3micos y fisiol\u00f3gicos del tracto digestivo de los lagartos al comparar poblaciones(g. Galloti) y especies(g.Galloti y g.Atlantica) que difieren en la importancia que muestra el componente vegetal en su dieta. En la segunda parte se compara, de forma simult\u00e1nea, la efectividad(cuantitativa y cualitativa) en la dispersi\u00f3n de semillas del balo(plocama pendula, rubiacesae) llevada a cabo por dos grupos de vertebrados frug\u00edvoros: lagartos (g. Galloti) y aves (sylvia spp.). Para ello y durante dos a\u00f1os de estudio, se analiz\u00f3 las diferentes fases en el proceso de dispersi\u00f3n de semillas. En la tercera parte se expone los resultados obtenidos al analizar la interacci\u00f3n de los lagartos canarios con los frutos de la orijama(neochamaelea pulverulenta, cneoraceae) bajo una perspectiva evolutiva. En \u00e9sta se analiza al signo y magnitud del patr\u00f3n de selecci\u00f3n fenot\u00edpica realizado por los lagartos en relaci\u00f3n al tama\u00f1o de las semillas dispersadas. El fin de \u00e9sta es sugerir y demostrar la existencia de un proceso de cambios en el tama\u00f1o de las semillas por un proceso de selecci\u00f3n natural dirigido y modulado por los lagar<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Ecolog\u00eda de la dispersi\u00f3n de semillas por los lagartos end\u00e9micos canarios (g.gallotia, lacertidae)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Ecolog\u00eda de la dispersi\u00f3n de semillas por los lagartos end\u00e9micos canarios (g.gallotia, lacertidae) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alfredo Valido Amador <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/07\/1999<\/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 Jordano Barbudo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: aurelio Mart\u00edn hidalgo <\/li>\n<li>anna Traveset vilagin\u00e9s (vocal)<\/li>\n<li>Mar\u00eda Fernandez-palacios jose (vocal)<\/li>\n<li>regino Zamora rodr\u00edguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alfredo Valido Amador El objetivo de la presenta tesis es mostrar, bajo una perspectiva ecol\u00f3gica y evolutiva, [&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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