{"id":35135,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/demografia-evolucion-y-viabilidad-de-la-poblacion-occidental-de-osos-pardos-ursus-arctos-de-la-cordillera-cantabrica\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"demografia-evolucion-y-viabilidad-de-la-poblacion-occidental-de-osos-pardos-ursus-arctos-de-la-cordillera-cantabrica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/demografia-evolucion-y-viabilidad-de-la-poblacion-occidental-de-osos-pardos-ursus-arctos-de-la-cordillera-cantabrica\/","title":{"rendered":"Demografia, evolucion y viabilidad de la poblacion occidental de osos pardos, ursus arctos, de la cordillera cantabrica."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Naves Cienfuegos <\/strong><\/h2>\n<p>Se estudiaron los par\u00e1metros demogr\u00e1ficos de la poblaci\u00f3n occidental de osos pardos de la cordillera cant\u00e1brica a partir datos de grupos familiares de hembras con cr\u00edas obtenidos durante una serie temporal de 14 a\u00f1os. Se realizaron censos de los grupos familiares desde 1982 hasta 1995 y se estim\u00f3 la mortalidad de las cr\u00edas durante su primer a\u00f1o de vida. Con esta base emp\u00edrica se construy\u00f3 un modelo demogr\u00e1fico que permiti\u00f3 estimar el resto los par\u00e1metros demogr\u00e1ficos de la poblaci\u00f3n, la poblaci\u00f3n total y la evoluci\u00f3n num\u00e9rica de la misma. El resultado m\u00e1s destacable que pueden inferirse a partir del modelo es que la poblaci\u00f3n ha disminuido a una tasa anual del 5% (el 40% de la poblaci\u00f3n inicial se perdi\u00f3 durante el per\u00edodo de estudio). Se concluye que las tasas de natalidad son elevadas y que la causa del declive es la elevada mortalidad de los adultos. Tambi\u00e9n se realizaron estudios de viabilidad de la poblaci\u00f3n bajo varios supuestos probabil\u00edsticos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Demografia, evolucion y viabilidad de la poblacion occidental de osos pardos, ursus arctos, de la cordillera cantabrica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Demografia, evolucion y viabilidad de la poblacion occidental de osos pardos, ursus arctos, de la cordillera cantabrica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Naves Cienfuegos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Thorsten Wiegand<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Luis Telleria Jorge <\/li>\n<li>Florentino Bra\u00f1a Vigil (vocal)<\/li>\n<li>Miguel Delibes Castro (vocal)<\/li>\n<li> Gonzalez Garcia Luis Mar\u00eda no (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Naves Cienfuegos Se estudiaron los par\u00e1metros demogr\u00e1ficos de la poblaci\u00f3n occidental de osos pardos de la [&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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