{"id":76295,"date":"2018-03-09T23:21:39","date_gmt":"2018-03-09T23:21:39","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-de-las-variaciones-climaticas-en-la-distribucion-espacio-temporal-de-thunnus-thynnus-thynnus-linnaeus-1758-y-thunnus-alalunga-bonnaterre-1788-en-el-oceano-atlantico\/"},"modified":"2018-03-09T23:21:39","modified_gmt":"2018-03-09T23:21:39","slug":"efecto-de-las-variaciones-climaticas-en-la-distribucion-espacio-temporal-de-thunnus-thynnus-thynnus-linnaeus-1758-y-thunnus-alalunga-bonnaterre-1788-en-el-oceano-atlantico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/efecto-de-las-variaciones-climaticas-en-la-distribucion-espacio-temporal-de-thunnus-thynnus-thynnus-linnaeus-1758-y-thunnus-alalunga-bonnaterre-1788-en-el-oceano-atlantico\/","title":{"rendered":"Efecto de las variaciones clim\u00e1ticas en la distribuci\u00f3n espacio-temporal de thunnus thynnus thynnus (linnaeus, 1758) y thunnus alalunga (bonnaterre, 1788) en el oc\u00e9ano atl\u00e1ntico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Unai Ganzedo L\u00f3pez <\/strong><\/h2>\n<p>Se analiza el grado de complejidad existente entre dos especies de t\u00fanidos (thunnus thynnus y t.Alalunga) y los cambios en el clima en el atl\u00e1ntico.  existe una componente ambiental que tiene un efecto notable sobre la disponibilidad del recurso para la pesquer\u00eda (esta variabilidad clim\u00e1tica explica el 73,14% de las oscilaciones registradas en la serie hist\u00f3rica de capturas de at\u00fan rojo en las almadrabas atl\u00e1nticas del sur de espa\u00f1a). En este sentido, son los ciclos de la actividad solar (de 22 a\u00f1os, o doble cilo solar, y 80 a\u00f1os, o ciclos de gleissberg) los que rigen en mayor medida las variaciones en la abundancia a medio y largo plazo.  en este sentido, para el at\u00fan rojo (thunnus thynnus) y at\u00fan blanco (thunnus alalunga), un \u00edndice negativo de la oscilaci\u00f3n del atl\u00e1ntico norte (nao) favorece un aumento de las capturas en el atl\u00e1ntico centro-oriental, ya que aumenta la temperatura del agua del mar, y m\u00e1s claramente en la zona de canarias. Simult\u00e1neamente, en el atl\u00e1ntico occidental (\u00e1reas fao 31 y 21) se produce el efecto contrario.  las fluctuaciones en las capturas pueden ser consideradas como un buen indicador de las variaciones en la abundancia, por lo que el an\u00e1lisis de largas series de datos permite separar el efecto achacable a la pesca del producido por los cambios clim\u00e1ticos sobre la abundancia y la magnitud de los desplazamientos latitudinales y transoce\u00e1nicos de estos peces.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto de las variaciones clim\u00e1ticas en la distribuci\u00f3n espacio-temporal de thunnus thynnus thynnus (linnaeus, 1758) y thunnus alalunga (bonnaterre, 1788) en el oc\u00e9ano atl\u00e1ntico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto de las variaciones clim\u00e1ticas en la distribuci\u00f3n espacio-temporal de thunnus thynnus thynnus (linnaeus, 1758) y thunnus alalunga (bonnaterre, 1788) en el oc\u00e9ano atl\u00e1ntico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Unai Ganzedo L\u00f3pez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Palmas de gran canaria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/09\/2005<\/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 Juan Castro Hern\u00e1ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jacinto Nadal puigdefabregas <\/li>\n<li> Santana del pino angelo (vocal)<\/li>\n<li> Moreno moreno m. teresa (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Unai Ganzedo L\u00f3pez Se analiza el grado de complejidad existente entre dos especies de t\u00fanidos (thunnus thynnus [&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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