{"id":61368,"date":"2018-03-09T22:49:14","date_gmt":"2018-03-09T22:49:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/phenology-biomass-and-community-composition-changes-in-european-shrublands-submitted-to-experimental-warming-and-drought\/"},"modified":"2018-03-09T22:49:14","modified_gmt":"2018-03-09T22:49:14","slug":"phenology-biomass-and-community-composition-changes-in-european-shrublands-submitted-to-experimental-warming-and-drought","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/phenology-biomass-and-community-composition-changes-in-european-shrublands-submitted-to-experimental-warming-and-drought\/","title":{"rendered":"Phenology, biomass and community composition changes in european shrublands submitted to experimental warming and drought"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Patricia Prieto Calvo <\/strong><\/h2>\n<p>La tesis ha tenido como objetivo global el aportar conocimientos acerca del funcionamiento de los matorrales europeos y del rol que pueden desempe\u00f1ar  \u00e9stos  como fuente o sumidero de carbono bajo la perspectiva del cambio clim\u00e1tico. En esta investigaci\u00f3n se incluyen los efectos del cambio clim\u00e1tico sobre la biomasa, la fenolog\u00eda del crecimiento y de la floraci\u00f3n, as\u00ed como sobre la riqueza y diversidad de especies. se analizaron datos de 6 matorrales europeos (gales-reino unido, dinamarca, holanda, hungr\u00eda, cerda\u00f1a-italia y catalunya-espa\u00f1a) en los que se instal\u00f3 una manipulaci\u00f3n experimental para aumentar la temperatura y para reducir el agua disponible en campo, simulando los efectos del cambio clim\u00e1tico previstos para las d\u00e9cadas futuras. Los datos se recogieron durante 7 a\u00f1os (1998-2005). Las conclusiones de los diferentes estudios que conforman este trabajo de investigaci\u00f3n ponen de manifiesto la complejidad de los efectos que pueden tener unas condiciones m\u00e1s c\u00e1lidas y secas en la estructura, composici\u00f3n y funcionamiento de los matorrales en europa y particularmente en el matorral mediterr\u00e1neo. Nuestros resultados confirman pero matizan la hip\u00f3tesis de que en ecosistemas templados, y particularmente en los m\u00e1s fr\u00edos y h\u00famedos, el calentamiento global de lugar a un mayor aumento en la absorci\u00f3n de carbono. Periodos como los vividos en el verano del 2003 (ola de calor europea) o en el invierno del 2005 (periodo fr\u00edo y seco en garraf) pueden afectar negativamente la actividad de las plantas. Adem\u00e1s observamos que tanto especies con una distribuci\u00f3n m\u00e1s norte como especies mediterr\u00e1neas (erica multiflora) pueden acelerar la fenolog\u00eda del crecimiento bajo condiciones de calentamiento. De este trabajo tambi\u00e9n se desprende que unas condiciones m\u00e1s secas en el \u00e1rea mediterr\u00e1nea pueden afectar seriamente la recuperaci\u00f3n de la composici\u00f3n y estructura de la comunidad despu\u00e9s de una perturbaci\u00f3n. Este estudio sugiere que para prev<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Phenology, biomass and community composition changes in european shrublands submitted to experimental warming and drought<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Phenology, biomass and community composition changes in european shrublands submitted to experimental warming and drought <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Patricia Prieto Calvo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/11\/2007<\/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 Pe\u00f1uelas Reixach<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Paco Lloret Maya <\/li>\n<li>Fernando Valladares Ros (vocal)<\/li>\n<li>Patricio Garc\u00eda-fayos Poveda (vocal)<\/li>\n<li>Isabel Alonso Rodriguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Patricia Prieto Calvo La tesis ha tenido como objetivo global el aportar conocimientos acerca del funcionamiento 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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