{"id":74909,"date":"2018-03-09T23:20:00","date_gmt":"2018-03-09T23:20:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/microbial-communities-in-vegetated-and-degraded-mediterranean-solis-and-its-reclamation-using-compost\/"},"modified":"2018-03-09T23:20:00","modified_gmt":"2018-03-09T23:20:00","slug":"microbial-communities-in-vegetated-and-degraded-mediterranean-solis-and-its-reclamation-using-compost","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/microbial-communities-in-vegetated-and-degraded-mediterranean-solis-and-its-reclamation-using-compost\/","title":{"rendered":"Microbial communities in vegetated and degraded mediterranean solis and its reclamation using compost"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Laia Calaf Vi\u00f1olas <\/strong><\/h2>\n<p>Resumen: una estrategia sin\u00e9rgica a explorar ante (1)la degradaci\u00f3n del suelo en la europa mediterr\u00e1nea y (2)la creciente producci\u00f3n de residuos municipales podr\u00eda estar en el uso de compost desprovisto de impropios en los programas de recuperaci\u00f3n de suelos. Asimismo, el \u00e9xito de estos programas es a menudo limitado y se obvia la biolog\u00eda de los suelos como factor a considerar. Nuestros objetivos fueron estudiar en suelos degradados, vegetados y degradados enmendados con un mulch de compost (i)efectos sobre la actividad microbiana, (ii)la respuesta de variables comunes integradoras como biomasa y respiraci\u00f3n, (iii)cambios en la estructura y composici\u00f3n de las comunidades microbianas, (iv)la respuesta de las propiedades f\u00edsicas y qu\u00edmicas del suelo. Para ello se aplic\u00f3 una estrategia multimetodol\u00f3gica abarcando, entre otras: t\u00e9cnicas de sustratos radioactivos y fluorog\u00e9nicos para el an\u00e1lisis de enzimas; cromatograf\u00eda de gases para respiraci\u00f3n; an\u00e1lisis de fosfol\u00edpidos de membrana (plfa), donaci\u00f3n y rastreo por an\u00e1lisis de restricci\u00f3n de adn ribosomal amplificado (ardra), secuenciaci\u00f3n selectiva, y electroforesis por gel con gradiente desnaturalizante (dgge).  las principales conclusiones fueron: (j,1) la degradaci\u00f3n del suelo redujo significativamente la actividad microbiana en los ciclos del e, n, p, y s. (J,2) las enzimas m\u00e1s afectadas fueron la sulfatasa y la celobiohidrolasa, que redujeron su actividad por un factor de hasta 9-11, y las m\u00e1s resilientes la fosfatasa y la n-acetilglucosaminidasa (o quitinasa) de los ciclos del p y el n, que redujeron su actividad por un factor de hasta 2-3. (I.3) la aplicaci\u00f3n del mulcho mejor\u00f3 significativamente la actividad enzim\u00e1tica. (1.4) la mayor respuesta se obtuvo en las enzimas m\u00e1s afectadas, junto con la glucosaminidasa, y la menor respuesta en las m\u00e1s resilientes. (Ii.1) la biomasa microbiana se dobl\u00f3 en suelos superficiales vegetados respecto a los degradados<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Microbial communities in vegetated and degraded mediterranean solis and its reclamation using compost<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Microbial communities in vegetated and degraded mediterranean solis and its reclamation using compost <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Laia Calaf Vi\u00f1olas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/06\/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>Ram\u00f3n Vallejo Calzada<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel Barea jose <\/li>\n<li>jeffrey Harvey (vocal)<\/li>\n<li>chris Freeman (vocal)<\/li>\n<li>joan Romany\u00e1 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Laia Calaf Vi\u00f1olas Resumen: una estrategia sin\u00e9rgica a explorar ante (1)la degradaci\u00f3n del suelo en la europa [&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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