{"id":1774,"date":"2007-08-07T00:00:00","date_gmt":"2007-08-07T00:00:00","guid":{"rendered":"https:\/\/newsroom.ferrovial.com\/news\/el-atun-de-aleta-azul-amenazado\/"},"modified":"2022-12-21T11:54:12","modified_gmt":"2022-12-21T10:54:12","slug":"el-atun-de-aleta-azul-amenazado","status":"publish","type":"new","link":"https:\/\/newsroom.ferrovial.com\/es\/noticias\/el-atun-de-aleta-azul-amenazado\/","title":{"rendered":"El at\u00fan de aleta azul amenazado"},"content":{"rendered":"    <section class=\"wysiwyg text-editor \" id=\"\">\n        <div class=\"container container--narrow container--p-10\">\n            <p>MADRID, EFE.- Un grupo internacional de cient\u00edficos agrupados por el proyecto del Censo de la Vida Marina (CVM), se\u00f1al\u00f3 que la poblaci\u00f3n del at\u00fan de aleta azul -tambi\u00e9n llamado at\u00fan rojo o cimarr\u00f3n- en el oc\u00e9ano Atl\u00e1ntico occidental seguir\u00e1 en peligro durante las pr\u00f3ximas d\u00e9cadas si se mantienen los niveles actuales de pesca.<\/p>\n<p>El CVM, que espera tener acabado el cat\u00e1logo de especies marinas en 2010. La investigaci\u00f3n tambi\u00e9n persigue conocer los h\u00e1bitos migratorios y la gesti\u00f3n pesquera de los pa\u00edses. Seg\u00fan uno de sus directores cient\u00edficos, Ron O&#8217;Dor, profesor de la Universidad de Dalhousie (Canad\u00e1) este conocimiento es necesario para \u00abrestaurar a niveles saludables\u00bb la poblaci\u00f3n de especies como el at\u00fan de aleta azul. Seg\u00fan la Comisi\u00f3n Internacional para la Conservaci\u00f3n de Atunes del Atl\u00e1ntico (ICCAT), la biomasa de at\u00fan de aleta azul en el Atl\u00e1ntico occidental era en 2004 un 19% de la que exist\u00eda en 1975, a\u00f1o en el que la poblaci\u00f3n hab\u00eda sufrido una dr\u00e1stica reducci\u00f3n por la explotaci\u00f3n de las d\u00e9cadas anteriores. S\u00f3lo si se reducen las capturas a cero podr\u00edan recuperarse las poblaciones existentes en la d\u00e9cada de 1970.<\/p>\n<p>De hecho, esta especie pr\u00e1cticamente ha desaparecido de las aguas de Noruega, Dinamarca, Suecia y Alemania. Brian MacKenzie, de la Universidad T\u00e9cnica de Dinamarca, y Ransom Myers, de la Universidad Dalhousie, han estudiado este declive. En opini\u00f3n del primero, aunque no hay datos suficientes para asegurar con absoluta certeza que la actividad pesquera en el norte de Europa es la raz\u00f3n para la desaparici\u00f3n del at\u00fan de aleta azul, es claro que \u00abdesempe\u00f1\u00f3 un papel clave\u00bb.<\/p>\n<p>Los cient\u00edficos creen que actualmente hay dos poblaciones de at\u00fan de aleta azul en el Atl\u00e1ntico, una que se reproduce en el Mediterr\u00e1neo y otra en el Golfo de M\u00e9xico y las aguas de Florida.<\/p>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","nivel-2":[936],"nivel-5":[],"nivel-1":[],"nivel-3":[],"nivel-4":[],"class_list":["post-1774","new","type-new","status-publish","hentry","nivel-2-conservacion-del-medio-ambiente"],"acf":[],"yoast_head":"<title>El at\u00fan de aleta azul amenazado Sala de prensa Ferrovial | \u00daltimas 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