{"id":136350,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-del-impacto-ambiental-de-los-purines-en-funcion-de-su-caracterizacion-ecotoxicologica-y-fisico-quimica\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"valoracion-del-impacto-ambiental-de-los-purines-en-funcion-de-su-caracterizacion-ecotoxicologica-y-fisico-quimica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/valoracion-del-impacto-ambiental-de-los-purines-en-funcion-de-su-caracterizacion-ecotoxicologica-y-fisico-quimica\/","title":{"rendered":"Valoracion del impacto ambiental de los purines en funcion de su caracterizacion ecotoxicologica y fisico-quimica."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Baguer Bascuas Angel Jes\u00fas <\/strong><\/h2>\n<p>La industria porcina actual esta considerada como una actividad potencialmente contaminante y peligrosa para el medio ambiente debido al elevado volumen de residuos que produce, a su naturaleza y a la dificultad de su eliminacion. Como veterinarios y desde el ambito de la toxicolog\u00eda, nos planteamos, al comienzo de este trabajo, los siguientes objetivos generales: 1.-Conocer la composicion fisico-quimica de los purines, y en especial su fraccion metalica; 2.- Cuantificar la incidencia ecotoxicologica de los purines de cerdo; 3.-Realizar una evaluacion del riesgo ecologico que supone la eliminacion de los purines de cerdo en el medio ambiente.  el estudio se ha realizado en una explotacion industrial porcina dedicada a la produccion de lechones. Se han tomado muestras de purines, de lodos de purines con distintas edades de maduracion y de suelos sometidos a distinto numero de riegos con purines. Los parametros fisico-quimicos determinados han sido ph, conductividad, nitrogeno total, nitrogeno amoniacal, fosforo, metales alcalinos y alcalinoterreos y metales pesados. Para la determinacion de la toxicidad se han utilizado los bioensayos de luminiscencia (photobacterium phosphoreum), crecimiento de plantas terrestres (triticum aestivum, medicago sativa, brassica rapa y zea mays) y ensayo de toxicidad aguda con lombriz de tierra (eisenia foetida).  los valores medios obtenidos de n-total (2,9 g\/l), n-nh4+(1,7 g\/l), p2o5 (1,2 g\/l), cu (16,7 mg\/l), zn (22,4 mg\/l) y fe (73,7 mg\/l) coinciden con aquellos trabajos en los que, como en nuestro caso, se analizan los purines despues de haber sido sometidos a un sistema de depuracion. Respecto a los resultados toxicologicos de los purines, hemos determinado el siguiente orden de sensibilidad, de mayor a menor: photobacterium phosphoreum, eisenia foetida, brassica rapa, medicago sativa, triticum aestivum, zea mays.  en las muestras de lodos de purines hemos comprobado un aumento de la toxicida<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valoracion del impacto ambiental de los purines en funcion de su caracterizacion ecotoxicologica y fisico-quimica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valoracion del impacto ambiental de los purines en funcion de su caracterizacion ecotoxicologica y fisico-quimica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Baguer Bascuas Angel Jes\u00fas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/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>Jos\u00e9 Antonio Bascuas Asta<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Andr\u00e9s Avelino Rodriguez Moure <\/li>\n<li>Arturo Ramon Anadon Navarro (vocal)<\/li>\n<li>Mar\u00eda Castellano Arroyo (vocal)<\/li>\n<li>Mar\u00eda no Gracia Ortubia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Baguer Bascuas Angel Jes\u00fas La industria porcina actual esta considerada como una actividad potencialmente contaminante y peligrosa [&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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