{"id":65674,"date":"2018-03-09T22:53:49","date_gmt":"2018-03-09T22:53:49","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/tuna-behaviour-around-drifting-fish-aggregating-devices-as-assessed-by-active-acoustics-and-fisheras-knowledge\/"},"modified":"2018-03-09T22:53:49","modified_gmt":"2018-03-09T22:53:49","slug":"tuna-behaviour-around-drifting-fish-aggregating-devices-as-assessed-by-active-acoustics-and-fisheras-knowledge","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pesca\/tuna-behaviour-around-drifting-fish-aggregating-devices-as-assessed-by-active-acoustics-and-fisheras-knowledge\/","title":{"rendered":"Tuna behaviour around drifting fish aggregating devices as assessed by active acoustics and fisher\u00c2\u00bfs knowledge"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gala Moreno Arriola <\/strong><\/h2>\n<p>Actualmente m\u00e1s del 50 % de los t\u00fanidos pescados en el mundo son capturados bajo dispositivos concentradores de peces (dcp). Estos dispositivos juegan un papel clave en las pesquer\u00edas de t\u00fanidos en los tr\u00f3picos de los oc\u00e9anos \u00edndico, pac\u00edfico y atl\u00e1ntico, ya que ciertas especies pel\u00e1gicas, como los t\u00fanidos y especies de pico, tienden a asociarse a los mismos. La comunidad cient\u00edfica desconoce cu\u00e1l es el efecto que causan los dcps a la deriva en la distribuci\u00f3n espacial de las diferentes especies pel\u00e1gicas asociadas,  cu\u00e1l es la din\u00e1mica de la agregaci\u00f3n mientras permanecen asociados, as\u00ed como por qu\u00e9 se asocian y abandonan  los mismos.  el objetivo de esta tesis es proporcionar una mejor comprensi\u00f3n del comportamiento de los t\u00fanidos en los dcps, la distribuci\u00f3n espacial de las agregaciones, as\u00ed como estudiar una de las hip\u00f3tesis que explica el por qu\u00e9 de este comportamiento de asociaci\u00f3n: la hip\u00f3tesis de punto de encuentro.   para lograr estos objetivos, ha sido necesario trabajar con nueva metodolog\u00eda para obtener informaci\u00f3n sobre estas agregaciones que, dada lo ef\u00edmeras que son tanto en el tiempo como en el espacio, son dif\u00edciles de acceder.  la metodolog\u00eda empleada ha sido, por un lado, el conocimiento ecol\u00f3gico local, en nuestro caso, el conocimiento de los pescadores, que nunca antes hab\u00eda sido empleado en las pesquer\u00edas de t\u00fanidos, y por otro lado, la ac\u00fastica submarina, que estudia el comportamiento colectivo de las agregaciones, y que ha sido utilizada por primera vez en dcps derivantes.  el \u00e1rea de estudio se sit\u00faa en el oc\u00e9ano \u00edndico oeste, entre la superficie y los 600 m de profundidad, donde el rabil (thunnus albacares), el patudo (thunnus obesus) y el listado (katsuwonus pelamis), se asocian a los dispositivos concentradores de peces a la deriva.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Tuna behaviour around drifting fish aggregating devices as assessed by active acoustics and fisher\u00c2\u00bfs knowledge<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Tuna behaviour around drifting fish aggregating devices as assessed by active acoustics and fisher\u00c2\u00bfs knowledge <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gala Moreno Arriola <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/06\/2008<\/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>Antonio  Juan Gonzalez Ramos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ana Rallo gruss <\/li>\n<li>enrique Navarro adorno (vocal)<\/li>\n<li>fran\u00ed\u00a7ois Gerlotto (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Lorenzo nespereira (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gala Moreno Arriola Actualmente m\u00e1s del 50 % de los t\u00fanidos pescados en el mundo son capturados [&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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