{"id":11380,"date":"2018-03-09T08:56:43","date_gmt":"2018-03-09T08:56:43","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/biologa%c2%ada-reproductiva-y-demografa%c2%ada-de-thalictrum-macrocarpum-gren-ramunculaceae\/"},"modified":"2018-03-09T08:56:43","modified_gmt":"2018-03-09T08:56:43","slug":"biologa%c2%ada-reproductiva-y-demografa%c2%ada-de-thalictrum-macrocarpum-gren-ramunculaceae","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/biologa%c2%ada-reproductiva-y-demografa%c2%ada-de-thalictrum-macrocarpum-gren-ramunculaceae\/","title":{"rendered":"Biolog\u00eda reproductiva y demograf\u00edade thalictrum macrocarpum (gren.) ramunculaceae"},"content":{"rendered":"<h2>Tesis doctoral de <strong> David Guzm\u00e1n Otano <\/strong><\/h2>\n<p>El estudio de la biolog\u00eda de la reproducci\u00f3n de thalictrum macrocarpum (ranunculaceae), planta end\u00e9mcia de los pirineos, desconocida en su mayor parte, ha revelado que se trata de una especie ginomonoica, anem\u00f3fila y autocompatible pero que sufre los efectos negativos de la consanguinidad si ocurre autogamia o geitonogamia.  por sus caracter\u00edsticas, se trata de un organismo muy \u00fatil para probar algunas hip\u00f3tesis relacionadas con la evoluci\u00f3n de su sistema reproductivo. as\u00ed por ejemplo, se ha analizado la frecuencia, disposici\u00f3n y distribuci\u00f3n diferencial de recursos en los dos tipos de flores (hermafroditas y femeninas) producidas en la inflorescencia, a la conclusi\u00f3n de que el patr\u00f3n floral que muestra se interpreta mejor como una especializaci\u00f3n econ\u00f3mica que funcional.  el an\u00e1lisis de la asignaci\u00f3n de recursos a la funci\u00f3n masculina y femenina de la reproducci\u00f3n en cinco especies pirenaicas del mismo g\u00e9nero (th.Macrocarpum, th.Minus, th.Aquilegiifolium, th.Tubersum y th.Flavum) tambi\u00e9n revela una clara asociaci\u00f3n con el vector de polimizaci\u00f3n.  asimismo, se ha analizado la demograf\u00eda de dos poblaciones de th.Macrocarpum mediante modelos con matrices de probabilidades de transici\u00f3n. Gracias a ellos se han comprobado los efectos de la variaci\u00f3n en la germinaci\u00f3n de semillas sobre el mantenimiento y la estructura de las poblaciones. con la misma metodolog\u00eda se han descubierto costes asociados a la reproducci\u00f3n.  los modelos demogr\u00e1ficos de proyecci\u00f3n abren nuevas e interesantes posibilidades para la gesti\u00f3n y conservaci\u00f3n de la flora. En este caso, los resultados sugieren que una de las poblaciones estudiadas tiene una tendencia a crecer, mientras que ocurre lo contrario en la segunda.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biolog\u00eda reproductiva y demograf\u00edade thalictrum macrocarpum (gren.) ramunculaceae<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biolog\u00eda reproductiva y demograf\u00edade thalictrum macrocarpum (gren.) ramunculaceae <\/li>\n<li><strong>Autor:<\/strong>\u00a0 David Guzm\u00e1n Otano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/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>Luis Villar Perez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: salvador Talavera lozano <\/li>\n<li>bego\u00f1a Peco v\u00e1zquez (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Iriondo alegria (vocal)<\/li>\n<li> Rivas ponce Mar\u00eda antonia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de David Guzm\u00e1n Otano El estudio de la biolog\u00eda de la reproducci\u00f3n de thalictrum macrocarpum (ranunculaceae), planta end\u00e9mcia [&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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