{"id":144899,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ecologia-de-los-ortopteros-en-pastos-del-pirineo-occidental\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"ecologia-de-los-ortopteros-en-pastos-del-pirineo-occidental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/ecologia-de-los-ortopteros-en-pastos-del-pirineo-occidental\/","title":{"rendered":"Ecolog\u00eda de los ortopteros en pastos del pirineo occidental"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josefina Isern Vallverdu <\/strong><\/h2>\n<p>Se estudian distintos aspectos de la ecolog\u00eda de los ortopteros (insecta: orthoptera) en los pastos supraforestales de dos valles pirenaicos de la provincia de huesca. Se cuantifican y describen las poblaciones y comunidades en las principales agrupaciones vegetales del piso subalpino (1500-2000 msnm) y alpino (2100-2400 msnm). Se valora la influencia de distintos factores (altitud, vegetacion, grado de intervencion, etc.) En la distribucion de las especies. La mayoria de pastos del subalpino son similares, y se enriquecen al disminuir la presion ganadera. Se distinguen las comunidades con festuca eskia, posiblemente de origen mas antiguo.  se estudia tambien la dinamica estacional y las variaciones interanuales, muy importantes en los pastos subalpinos, como corresponde a su origen relativamente reciente.  en cuanto a la alimentacion, la dieta depende de las preferencias, pero varia en funcion de la disponibilidad.  los depredadores (aves y mamiferos) y los parasitos (dipteros) tienen poca influencia en la regulacion de las poblaciones, si bien los ortopteros son un importante recurso trofico estival para muchas especies.  se discute la evolucion de los pastos ante los actuales cambios de gestion.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Ecolog\u00eda de los ortopteros en pastos del pirineo occidental<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Ecolog\u00eda de los ortopteros en pastos del pirineo occidental <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josefina Isern Vallverdu <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Cesar Pedrocchi Renault<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jaume Terradas Serra <\/li>\n<li>Carlos Ascaso Terren (vocal)<\/li>\n<li>Antonio Escarr\u00e9 Esteve (vocal)<\/li>\n<li> Pardo Gonzalez Jos\u00e9 Emilio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josefina Isern Vallverdu Se estudian distintos aspectos de la ecolog\u00eda de los ortopteros (insecta: orthoptera) en los [&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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