{"id":77708,"date":"2018-03-09T23:23:17","date_gmt":"2018-03-09T23:23:17","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fenologa%c2%ada-y-aerobiologa%c2%ada-de-quercus-y-betula-en-la-provincia-de-ourense\/"},"modified":"2018-03-09T23:23:17","modified_gmt":"2018-03-09T23:23:17","slug":"fenologa%c2%ada-y-aerobiologa%c2%ada-de-quercus-y-betula-en-la-provincia-de-ourense","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/fenologa%c2%ada-y-aerobiologa%c2%ada-de-quercus-y-betula-en-la-provincia-de-ourense\/","title":{"rendered":"Fenolog\u00eda y aerobiolog\u00eda de quercus y betula en la provincia de ourense."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Nuria Dacosta Quiroga <\/strong><\/h2>\n<p>La fenolog\u00eda, aplicada al estudio de las fechas en que ocurre la floraci\u00f3n de las especies arb\u00f3reas, es de gran utilidad en estudios aerobiol\u00f3gicos, de forma que en los \u00faltimos a\u00f1os estos datos se est\u00e1n aplicando en estudios de cambio clim\u00e1tico, ya que la presencia del polen en el aire es se\u00f1al inequ\u00edvoca de que la floraci\u00f3n de una determinada especie se ha iniciado  representando fielmente las tendencias fenol\u00f3gicas poblacionales o regionales.  se ha capturado polen a\u00e9reo por medio de captadores tipo hirst (modelo lanzoni vpps 2000) ubicados en ourense y trives durante los a\u00f1os 2002-2004. simult\u00e1neamente se realizaron observaciones fenol\u00f3gicas directas sobre diversas poblaciones de betula y quercus para conocer las fechas en que ocurren las sucesivas fases fenol\u00f3gicas y comprobar su sincronizaci\u00f3n con los datos aerobiol\u00f3gicos.A partir de dichos datos se calcul\u00f3, mediante el empleo de diversos \u00edndices fenol\u00f3gicos, las necesidades de fr\u00edo y calor para desencadenar la floraci\u00f3n. Finalmente se siguieron diversos protocolos fenol\u00f3gicos para calcular la producci\u00f3n pol\u00ednica de las especies estudiadas y se ha realizado un estudio de la dispersi\u00f3n de polen de la especie quercus ilex.  la floraci\u00f3n de las especies de quercus existentes en la provincia de ourense, se inicia con quercus robur, y de forma casi simult\u00e1nea florece quercus rubra. Pocos d\u00edas m\u00e1s tarde florecen quercus ilex y q.Jaginea. La floraci\u00f3n de quercus pyrenaica se produce alrededor de 15-20 d\u00edas despu\u00e9s y quercus suber es la especie que florece m\u00e1s tard\u00edamente prolong\u00e1ndose hasta los primeros d\u00edas del mes dejunio. De esta forma el solapamiento de la floraci\u00f3n de las distintas especies y poblaciones hace que desde finales del mes de marzo hasta la primera quincena de junio exista siempre alguna poblaci\u00f3n de quercus en la fase fenol\u00f3gica de floraci\u00f3n.  la floraci\u00f3n de betula tiene lugar a final del mes de marzo o inicio de abril en our<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fenolog\u00eda y aerobiolog\u00eda de quercus y betula en la provincia de ourense.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fenolog\u00eda y aerobiolog\u00eda de quercus y betula en la provincia de ourense. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Nuria Dacosta Quiroga <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/12\/2005<\/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>Victoria Jato Rodr\u00edguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: giuseppe Frenguelli <\/li>\n<li>Mar\u00eda Su\u00e1rez cervera (vocal)<\/li>\n<li>carmen Galan soldevilla (vocal)<\/li>\n<li>rosa Valencia barrera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Nuria Dacosta Quiroga La fenolog\u00eda, aplicada al estudio de las fechas en que ocurre la floraci\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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