{"id":4972,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/dinamica-de-la-vegetacion-y-estrategias-de-las-especies-que-colonizan-las-areas-acarvacadas-de-la-cuenca-de-la-baells-alto-llobregat\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"dinamica-de-la-vegetacion-y-estrategias-de-las-especies-que-colonizan-las-areas-acarvacadas-de-la-cuenca-de-la-baells-alto-llobregat","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/dinamica-de-la-vegetacion-y-estrategias-de-las-especies-que-colonizan-las-areas-acarvacadas-de-la-cuenca-de-la-baells-alto-llobregat\/","title":{"rendered":"Dinamica de la vegetacion y estrategias de las especies que colonizan las areas acarvacadas de la cuenca de la baells (alto llobregat)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Roser Guardia Rubies <\/strong><\/h2>\n<p>Se estudia la dinamica de la vegetacion y las estrategias de las especies que colonizan las areas acarcavadas (badlands) de la cuenca de la baells (alto llobregat, bergada). Los procesos erosivos que ocasionan la formacion de estas areas generan una sucesion regresiva desde las comunidades iniciales, generalmente pastos mesoxerofilos, hasta la falta casi completa de vegetacion. La topografia, especialmente la orientacion y el microrelieve, es uno de los factores mas determinantes en la evolucion de este proceso. Las especies que viven en los badlands corresponden fundamentalmente a las mas resistentes de las de los pastos iniciales y solo algunas son pioneras. Aunque se ha observado la existencia de un banco de semillas temporal y que una cierta proporcion de estas semillas germinan \u00abin situ\u00bb, no se produce una colonizacion efectiva que garantice la revegetacion de estas areas. Una de las especies que mas exitosamente consigue instalarse en estos ambientes degradados es achnatherum calamagrostis. El estudio de la dinamica de poblaciones de esta especie ha puesto de manifiesto la importancia de las fases juveniles en el mantenimiento de estas poblaciones y que su expansion es muy sensible a las variaciones climaticas interanuales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dinamica de la vegetacion y estrategias de las especies que colonizan las areas acarvacadas de la cuenca de la baells (alto llobregat).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dinamica de la vegetacion y estrategias de las especies que colonizan las areas acarvacadas de la cuenca de la baells (alto llobregat). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Roser Guardia Rubies <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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>Josep Mar\u00eda Ninot Sugra\u00f1es<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jose Vigo Bonada <\/li>\n<li>Francesc Gallart Gallego (vocal)<\/li>\n<li>Juan Puigdef\u00e1bregas Tom\u00e1s (vocal)<\/li>\n<li>Mar\u00eda  Teresa Sebasti\u00e1 \u00e1lvarez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Roser Guardia Rubies Se estudia la dinamica de la vegetacion y las estrategias de las especies que [&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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