{"id":87014,"date":"2018-03-10T00:11:43","date_gmt":"2018-03-10T00:11:43","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-ecofisiologica-de-grama%c2%adneas-competencia-y-estres-ha%c2%addrico\/"},"modified":"2018-03-10T00:11:43","modified_gmt":"2018-03-10T00:11:43","slug":"caracterizacion-ecofisiologica-de-grama%c2%adneas-competencia-y-estres-ha%c2%addrico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/caracterizacion-ecofisiologica-de-grama%c2%adneas-competencia-y-estres-ha%c2%addrico\/","title":{"rendered":"Caracterizaci\u00f3n ecofisiol\u00f3gica de gram\u00edneas. competencia y estr\u00e9s h\u00eddrico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Nuria Pedrol Bonjoch <\/strong><\/h2>\n<p>El trabajo de investigaci\u00f3n desarrollado en esta memoria se centra en la caracterizaci\u00f3n de algunas gram\u00edneas perennes (holcus lanatus, l., Koeleria glauca (schrader) dc. Y dactylis glomerata l.) Dentro de un espacio geogr\u00e1fico concreto: las m\u00e1rgenes de la r\u00eda de vigo y las islas c\u00edes (galicia, no de espa\u00f1a). En este entorno se dan condiciones de vida para las plantas muy diversas, determinadas por una considerable variedad de h\u00e1bitats, un marcado gradiente bioclim\u00e1tico de sequ\u00eda estival, y la influencia m\u00e1s o menos intensa del mar. Se observa, a priori, una distribuci\u00f3n diferencial de especies y, como hip\u00f3tesis de partida, se plantea la influencia probable del estr\u00e9s h\u00eddrico (sequ\u00eda y\/o salinidad) y de la competencia en tal distribuci\u00f3n.  para diagnosticar la influencia de cada variable, se recurre a la combinaci\u00f3n de observaciones de campo con distintos dise\u00f1os experimentales de estr\u00e9s h\u00eddrico y competencia en invernadero, y al an\u00e1lisis de m\u00faltiples par\u00e1metros morfol\u00f3gicos, fisiol\u00f3gicos y bioqu\u00edmicos.  la discusi\u00f3n conjunta permite concluir que la distribuci\u00f3n diferencial de las tres gram\u00edneas silvestres se debe a complejas interacciones de efectos bi\u00f3ticos y abi\u00f3ticos: k. Glauca no es capaz de competir con h. Lanatus y d. Glomerata bajo condiciones ambientales favorables.Pero el aumento de estr\u00e9s ambiental a lo largo del gradiente bioclim\u00e1tico, amortigua gradualmente los efectos de la competencia, haciendo posible que las tres gram\u00edneas coexistan en los enclaves costeros m\u00e1s secos. El d\u00e9ficit h\u00eddrico act\u00faa blancenado las habilidades competitivas de las tres espceis: mientras tanto, la presencia de k. Glauca parece mejorar la adecuaci\u00f3n de las otras dos gram\u00edneas a la salinidad, a trav\u00e9s de la divergencia de nichos y\/o del establecimiento de interacicones positivas.  finalmente, se valoran caracteres adaptativos de las gram\u00edneas silvestres potencialmente interesantes para las l\u00edneas de mejor<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n ecofisiol\u00f3gica de gram\u00edneas. competencia y estr\u00e9s h\u00eddrico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n ecofisiol\u00f3gica de gram\u00edneas. competencia y estr\u00e9s h\u00eddrico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Nuria Pedrol Bonjoch <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/10\/2000<\/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> Reigosa Roger Manuel Joaquin<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: marina Horjales luaces <\/li>\n<li>fran\u00ed\u00a7ois Pellissier (vocal)<\/li>\n<li>herman Lips (vocal)<\/li>\n<li> Malvar pintos rosa Ana (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Nuria Pedrol Bonjoch El trabajo de investigaci\u00f3n desarrollado en esta memoria se centra en la caracterizaci\u00f3n de [&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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