{"id":55048,"date":"2018-03-09T22:42:47","date_gmt":"2018-03-09T22:42:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ecologa%c2%ada-de-los-lagos-someros-en-la-zona-mediterranea-importancia-de-los-productores-primarios\/"},"modified":"2018-03-09T22:42:47","modified_gmt":"2018-03-09T22:42:47","slug":"ecologa%c2%ada-de-los-lagos-someros-en-la-zona-mediterranea-importancia-de-los-productores-primarios","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/ecologa%c2%ada-de-los-lagos-someros-en-la-zona-mediterranea-importancia-de-los-productores-primarios\/","title":{"rendered":"\u00abecolog\u00eda de los lagos someros en la zona mediterr\u00e1nea. importancia de los productores primarios\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda Jos\u00e9 Villena \u00e1lvarez <\/strong><\/h2>\n<p>El presente trabajo aborda la ecolog\u00eda de los productores primarios en varios lagos somerosmediterr\u00e1neos, a trav\u00e9s de dos estudios experimentales en mesocosmos in situ con enriquecimiento de nutrientes y distintas densidades de peces planct\u00edvoros, junto a un estudio de la ecolog\u00eda del lago de la albufera de Valencia. Los resultados muestran que: 1) la ecolog\u00eda de los lagos someros estudiados se asemeja mas a la ecolog\u00eda de los lagos tropicales y subtropicales que a la descrita para los lagos someros del norte y centro de europa. 2) el desv\u00edo de nutrientes en el lago de la albufera fue insuficiente para conseguir un cambio de estado tr\u00f3fico, pero condujo a la reducci\u00f3n de la biomasa del fitoplancton y a la aparici\u00f3n de varias fases claras. 3) en los estudios experimentales con mesocosmos, las concentraciones de nutrientes influyeron mas que la densidad de peces planct\u00edvoros sobre la biomasa del fitoplancton, epifiton y macr6fitos sumergidos. 4) el crecimiento del epifit\u00f3n fue exponencial y m\u00e1ximo entre concentraciones de 0,1-0,35 mg l-1 de f\u00f3sforo, mientras que el fitoplancton tuvo un incremento lineal y domin\u00f3 por encima de 0,35 mg l-1 de f\u00f3sforo y la biomasa de las car\u00f3fitas fue mayor con valores por debajo de 0,05 mg l-1  5) la ausencia de los macr\u00f3fitos sumergidos favoreci6 la liberaci\u00f3n de nutrientes desde el sedimento perpetuando biomasas algales elevadas y un estado de turbidez. 6) las cianobacterias dominaron bajo un amplio rango de concentraciones de nutrientes. La densidad de peces planct\u00edvoros y la depredaci\u00f3n debida al zooplancton tuvieron un papel selectivo de su tamalio. 7) los modelos de dominancia de cianobacterias propuestos por gragnani et al. (1999) y scheffer et al. (1997), no se cumplen para los lagos someros estudiados. 8) se propone un modelo alternativo que explica la alternancia observada de dominancia entre cianobacterias croococales y oscilatoriales, en base a su requerimientos de nutrientes, luz, sensibilidad a la dep<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abecolog\u00eda de los lagos someros en la zona mediterr\u00e1nea. importancia de los productores primarios\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abecolog\u00eda de los lagos someros en la zona mediterr\u00e1nea. importancia de los productores primarios\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda Jos\u00e9 Villena \u00e1lvarez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/10\/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> Romo P\u00e9rez Susana Gabriela<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: marina Aboal sanjurjo <\/li>\n<li>Francisco Javier De quintana pou (vocal)<\/li>\n<li>jaume Cambra s\u00e1nchez (vocal)<\/li>\n<li>laura Serrano mart\u00edn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Jos\u00e9 Villena \u00e1lvarez El presente trabajo aborda la ecolog\u00eda de los productores primarios en varios lagos [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[3782,35,620,14647],"tags":[121600,121601,83521,121599,30123,44485],"class_list":["post-55048","post","type-post","status-publish","format-standard","hentry","category-algologia","category-ciencias-de-la-vida","category-ecologia-vegetal","category-flora-lacustre","tag-francisco-javier-de-quintana-pou","tag-jaume-cambra-sanchez","tag-laura-serrano-martin","tag-maria-jose-villena-alvarez","tag-marina-aboal-sanjurjo","tag-romo-perez-susana-gabriela"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/55048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=55048"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/55048\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=55048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=55048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=55048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}