{"id":78845,"date":"2018-03-09T23:24:35","date_gmt":"2018-03-09T23:24:35","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/retorno-de-biomasa-y-nutrientes-en-sistemas-adehesados-de-encina-quercus-rotundifolia-lam-y-alcornoque-quercus-suber-l-en-el-sur-de-extremadura\/"},"modified":"2018-03-09T23:24:35","modified_gmt":"2018-03-09T23:24:35","slug":"retorno-de-biomasa-y-nutrientes-en-sistemas-adehesados-de-encina-quercus-rotundifolia-lam-y-alcornoque-quercus-suber-l-en-el-sur-de-extremadura","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/retorno-de-biomasa-y-nutrientes-en-sistemas-adehesados-de-encina-quercus-rotundifolia-lam-y-alcornoque-quercus-suber-l-en-el-sur-de-extremadura\/","title":{"rendered":"Retorno de biomasa y nutrientes en sistemas adehesados de encina (quercus rotundifolia lam) y alcornoque (quercus suber l.) en el sur de extremadura"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Seraf\u00edn Cuevas Ben\u00edtez <\/strong><\/h2>\n<p>Se ha estudiado el retorno de biomasa y nutrientes a trav\u00e9s de la producci\u00f3n de hojarasca en sistemas adehesados de encina (quercus rotundifolia lam.) y alcornoque (quercus suber l.), Dada la relativa escasez de los mismos en los suelos de dehesa.  se prospect\u00f3 una de las zonas m\u00e1s representativas de dehesa, eligi\u00e9ndose cuatro parcelas pr\u00f3ximas: 1) un encinar inmaduro, chaparral (qr1); 2) un encinar maduro, dehesa de encinaq (qr2); 3) un alcornocal inmaduro, bornizal (qs2); y un alcornocal maduro, dehesa de alcornoque (qs1). Las parcelas se estudiaron durante dos campa\u00f1as: 1996-1997 y 1997-1998.  los resultados muestran una enorme variaci\u00f3n en la producci\u00f3n anuaqlo y por fracciones, para cada una de las formaciones estudiadas. Entre las formaciones destacan las producciones de la fracci\u00f3n hojas en el bornizal, que super\u00f3 m\u00e1s del 70% del total producido, y la de flores y frutos en las formaciones de dehesa de encina y de alcornoque, que llegaron a suponer hasta el 50% del total producido. Se ha evidenciado el desigual comportamiento productor de hojarasca dependiendo de la orientaci\u00f3n y posici\u00f3n de la copa. junto a las producciones de hojarasca se evaluaron las producciones de nitr\u00f3geno en la fracci\u00f3n hojas. Los resultados encontrados permiten afirmar que de las cuatro formaciones estudiadas es el bornizal la m\u00e1s productora de nitr\u00f3geno. Finalmente, el an\u00e1lisis global de la informaci\u00f3n permite evidenciar un claro desequilibrio en la tasa de producci\u00f3n\/extracci\u00f3n de nitr\u00f3geno en las formaciones de dehesa, especialmente en la dehesa de alcornoque<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Retorno de biomasa y nutrientes en sistemas adehesados de encina (quercus rotundifolia lam) y alcornoque (quercus suber l.) en el sur de extremadura<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Retorno de biomasa y nutrientes en sistemas adehesados de encina (quercus rotundifolia lam) y alcornoque (quercus suber l.) en el sur de extremadura <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Seraf\u00edn Cuevas Ben\u00edtez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/02\/2006<\/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> V\u00e1zquez Pardo Francisco M\u00aa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alfredo Blanco andray <\/li>\n<li>gerardo Moreno marcos (vocal)<\/li>\n<li>gregorio Montero gonz\u00e1lez (vocal)<\/li>\n<li>eustaquio Gil pelegr\u00edn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Seraf\u00edn Cuevas Ben\u00edtez Se ha estudiado el retorno de biomasa y nutrientes a trav\u00e9s de la producci\u00f3n [&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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