{"id":33125,"date":"2018-03-09T09:30:06","date_gmt":"2018-03-09T09:30:06","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ecologia-y-patologia-del-zorro-vulpes-vulpes-l-en-el-valle-medio-del-ebro\/"},"modified":"2018-03-09T09:30:06","modified_gmt":"2018-03-09T09:30:06","slug":"ecologia-y-patologia-del-zorro-vulpes-vulpes-l-en-el-valle-medio-del-ebro","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/ecologia-y-patologia-del-zorro-vulpes-vulpes-l-en-el-valle-medio-del-ebro\/","title":{"rendered":"Ecolog\u00eda y patolog\u00eda del zorro (vulpes vulpes, l.) en el valle medio del ebro."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Christian Gort\u00e1zar Schmidt <\/strong><\/h2>\n<p>Se describen la ecolog\u00eda del zorro en la cuenca media del ebro y las principales enfermedades presentes en dicha poblaci\u00f3n vulpina, y se eval\u00faa el papel de las enfermedades en la din\u00e1mica poblacional de este c\u00e1nido.  el \u00e1rea de estudio es el valle medio del ebro, 42 30  n, 2 00 w; 41 15 n, 2 00 w; 41 45 n, 0 00 ; y 41 30 n, 0 30 e. Se distinguen dos h\u00e1bitats, el soto (m\u00e1s humanizado y rico en recursos) y el monte (m\u00e1s natural, de recursos limitados).  las metodolog\u00edas aplicadas a lo largo del estudio son variadas e incluyen trabajos de campo (censos, radio-rastreo), de laboratorio (necropsias, an\u00e1lisis de la dieta y reproducci\u00f3n, histolog\u00eda del cemento dental, histopatolog\u00eda, serolog\u00edas, as\u00ed como t\u00e9cnicas rutinarias en parasitolog\u00eda) y, finalmente, simulaci\u00f3n de modelos demogr\u00e1ficos por ordenador.  los zorros capturados en el soto tienen mayor tama\u00f1o (4% en machos, 3% en hembras), mayor peso (17% en machos, 11% en hembras) y mejor nivel de engrasamiento (17% en machos, 15% en hembras) que los procedentes del monte.  la basura y las carro\u00f1as de animales dom\u00e9sticos constituyen la principal fuente de alimento del zorro en el valle del ebro. En el monte el conejo es el segundo recurso en importancia por biomasa ingerida.  las \u00e1reas de campeo de los zorros adultos marcados en el secano (n=4; media=1.653 ha) son significativamente mayores que las de los ejemplares adultos capturados y marcados en el regad\u00edo (n=5; media=237 ha). Los zorros de soto prefieren la vegetaci\u00f3n de ribera y los basureros, mientras que los zorros de monte seleccionan positivamente las \u00e1reas de ecotono entre h\u00e1bitats con cobertura y zonas abiertas.  existen diferencias interanuales marcadas en la abundancia vulpina invernal a nivel local, aunque no a nivel regional. La densidad pre-reproductiva es de 1,1 zorros por 100 ha en el monte y de 2,5 zorros por 100 ha en el soto.  la proporci\u00f3n de hembras maduras no reproductoras es m<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Ecolog\u00eda y patolog\u00eda del zorro (vulpes vulpes, l.) en el valle medio del ebro.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Ecolog\u00eda y patolog\u00eda del zorro (vulpes vulpes, l.) en el valle medio del ebro. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Christian Gort\u00e1zar Schmidt <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/10\/1997<\/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>Javier Lucientes Curdi<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jose Badiola diez <\/li>\n<li>pier giuseppe Meneguz (vocal)<\/li>\n<li>Francisco Javier Purroy iraizoz (vocal)<\/li>\n<li>Miguel Delibes castro (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Christian Gort\u00e1zar Schmidt Se describen la ecolog\u00eda del zorro en la cuenca media del ebro y las 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