{"id":1559,"date":"2026-04-17T10:43:30","date_gmt":"2026-04-17T08:43:30","guid":{"rendered":"https:\/\/www.marine.uem.mz\/?p=1559"},"modified":"2026-04-17T10:44:53","modified_gmt":"2026-04-17T08:44:53","slug":"clima-em-transformacao-pode-redesenhar-o-futuro-das-pescarias-de-atum-tropical","status":"publish","type":"post","link":"https:\/\/www.marine.uem.mz\/index.php\/2026\/04\/17\/clima-em-transformacao-pode-redesenhar-o-futuro-das-pescarias-de-atum-tropical\/","title":{"rendered":"Clima em transforma\u00e7\u00e3o pode redesenhar o futuro das pescarias de atum tropical"},"content":{"rendered":"\n<p>Um novo estudo da ESCMC, em colabora\u00e7\u00e3o com o <a href=\"https:\/\/ bcssmz.org\">Bazaruto Center for Scientific Studies<\/a>, revela que o aquecimento dos oceanos e mudan\u00e7as na produtividade prim\u00e1ria podem reorganizar os territ\u00f3rios de pesca do atum listado (<em>Katsuwonus pelamis<\/em>) no Oceano \u00cdndico.<\/p>\n\n\n\n<p>Analisando 15 anos de dados da Comiss\u00e3o do Atum do Oceano \u00cdndico e proje\u00e7\u00f5es clim\u00e1ticas at\u00e9 2100, os cientistas identificaram que:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A temperatura da superf\u00edcie do mar, a profundidade da camada de mistura e a produtividade prim\u00e1ria s\u00e3o os principais fatores que moldam a distribui\u00e7\u00e3o do atum.<\/li>\n\n\n\n<li>Sob cen\u00e1rios de emiss\u00f5es moderadas (RCP 2.6), algumas \u00e1reas podem perder biomassa relativa de captura.<\/li>\n\n\n\n<li>Sob cen\u00e1rios de emiss\u00f5es elevadas (RCP 8.5), o nicho t\u00e9rmico da esp\u00e9cie se expande, favorecendo regi\u00f5es equatoriais entre 5\u00b0S e 10\u00b0N.<\/li>\n\n\n\n<li>O futuro n\u00e3o aponta para um decl\u00ednio uniforme, mas sim para uma redistribui\u00e7\u00e3o n\u00e3o linear dos habitats e oportunidades de pesca.<\/li>\n<\/ul>\n\n\n\n<p>\u201cO que vemos \u00e9 uma reorganiza\u00e7\u00e3o espacial das pescarias tropicais. N\u00e3o se trata apenas de perdas, mas de deslocamentos que exigem estrat\u00e9gias adaptativas de gest\u00e3o\u201d, afirma o <strong>Prof. Doutor<\/strong> <strong>H\u00e9lder\u00a0 Machaieie<\/strong>, da ESCMC, coautor do estudo publicado em <em><a href=\"https:\/\/doi.org\/10.3389\/fmars.2026.1693205\" data-type=\"link\" data-id=\"https:\/\/doi.org\/10.3389\/fmars.2026.1693205\">Frontiers in Marine Science<\/a><\/em>.<\/p>\n\n\n\n<p>Os resultados refor\u00e7am a necessidade de pol\u00edticas de pesca <strong>informadas pelo clima<\/strong>, capazes de responder \u00e0 din\u00e2mica de redistribui\u00e7\u00e3o dos recursos pel\u00e1gicos em um oceano em r\u00e1pida mudan\u00e7a.<\/p>\n\n\n\n<p>Leia mais em: <a href=\"https:\/\/doi.org\/10.3389\/fmars.2026.1693205\">https:\/\/doi.org\/10.3389\/fmars.2026.1693205<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"624\" height=\"289\" src=\"https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Cossaeta2026.jpg\" alt=\"\" class=\"wp-image-1560\" srcset=\"https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Cossaeta2026.jpg 624w, https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Cossaeta2026-300x139.jpg 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Um novo estudo da ESCMC, em colabora\u00e7\u00e3o com o Bazaruto Center for Scientific Studies, revela que o aquecimento dos oceanos [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1560,"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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