{"id":139554,"date":"2026-01-12T17:46:36","date_gmt":"2026-01-12T17:46:36","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/composicion-y-estructura-de-comunidades-pratenses-en-un-area-de-la-cornisa-cantabrica-incidencia-del-ambiente-y-manejo\/"},"modified":"2026-01-12T17:46:36","modified_gmt":"2026-01-12T17:46:36","slug":"composicion-y-estructura-de-comunidades-pratenses-en-un-area-de-la-cornisa-cantabrica-incidencia-del-ambiente-y-manejo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/composicion-y-estructura-de-comunidades-pratenses-en-un-area-de-la-cornisa-cantabrica-incidencia-del-ambiente-y-manejo\/","title":{"rendered":"Composicion y estructura de comunidades pratenses en un area de la cornisa cantabrica: incidencia del ambiente y manejo"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gregorio Llana Suarez <\/strong><\/h2>\n<p>Se muestrearon un centenar de comunidades en la cuenca del pigue\u00f1a-narcea (asturias) a lo largo de un gradiente altitudinal desde el nivel del mar hasta los 1300msnm- y abarcando diferentes intensidades de manejo. En conjunto, se detectaron un total de 293 especies siendo la riqueza especifica media de 43 especies. Las diferencias en la composicion especifica de unos prados a otros estan asociadas a dos grandientes: el edafico, donde intervienen las condiciones de trofia y humedad, y el geografico que incluye la altitud y el regimen de manejo.  por otra parte, los prados sometidos a manejos moderados presentan valores de diversidad, y en menor medida de riqueza de especies, mas elevados, resultando estar de acuerdo con la hipotesis de las perturbaciones medias de connel (1978).  por ultimo en los grupos de muestras ecologicamente homogeneos (geograficamente proximos y de composicion especifica similar) la distribucion de frecuencias de las especies es bimodal y existe una correlacion positiva entre la frecuencia y la abundancia; resultados que concuerdan con la hipotesis \u00abnucleo-satelite\u00bb de hanski (1982). A su vez, la pendiente de la regresion frec.-Abund. Aumenta con la diversidad, tendencia confirmada mediante un modelo matematico. La relacion positiva entre la pendiente y la productividad no siempre esta garantizada.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Composicion y estructura de comunidades pratenses en un area de la cornisa cantabrica: incidencia del ambiente y manejo<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Composicion y estructura de comunidades pratenses en un area de la cornisa cantabrica: incidencia del ambiente y manejo <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gregorio Llana Suarez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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> Alvarez Garcia Miguel Angel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel Morey Andreu <\/li>\n<li>Angel Puerto Martin (vocal)<\/li>\n<li>Ricardo Anad\u00f3n \u00e1lvarez (vocal)<\/li>\n<li>Ignaci Navascues Gasca (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gregorio Llana Suarez Se muestrearon un centenar de comunidades en la cuenca del pigue\u00f1a-narcea (asturias) a lo [&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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