{"id":1549,"date":"2026-04-10T13:20:31","date_gmt":"2026-04-10T11:20:31","guid":{"rendered":"https:\/\/www.marine.uem.mz\/?p=1549"},"modified":"2026-04-17T10:24:05","modified_gmt":"2026-04-17T08:24:05","slug":"tembe_etal2026","status":"publish","type":"post","link":"https:\/\/www.marine.uem.mz\/index.php\/2026\/04\/10\/tembe_etal2026\/","title":{"rendered":"Novo estudo revela como caranguejos azuis compartilham o estu\u00e1rio!"},"content":{"rendered":"\n<p>Pesquisadores da ESCMC (Mo\u00e7ambique) e universidades do Brasil investigaram a distribui\u00e7\u00e3o espacial de duas esp\u00e9cies de caranguejo azul \u2014 <em>Callinectes danae<\/em> e <em>C. sapidus<\/em> \u2014 no Sistema Estuarino de Laguna, sul do Brasil.<\/p>\n\n\n\n<p>Durante 18 meses de monitoramento, os cientistas observaram que os caranguejos <strong>se segregam ao longo de gradientes ambientais<\/strong> para reduzir competi\u00e7\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Juvenis de ambas as esp\u00e9cies concentram-se em \u00e1reas rasas, muitas vezes vegetadas, que oferecem abrigo contra predadores.<\/li>\n\n\n\n<li>Adultos de <em>C. sapidus<\/em> predominam nas zonas internas de baixa salinidade, enquanto adultos de <em>C. danae<\/em> s\u00e3o mais abundantes nos canais pr\u00f3ximos \u00e0 desembocadura.<\/li>\n\n\n\n<li>A salinidade e o pH foram os principais fatores que moldaram a distribui\u00e7\u00e3o de <em>C. danae<\/em>, enquanto o oxig\u00eanio dissolvido influenciou fortemente <em>C. sapidus<\/em>.<\/li>\n\n\n\n<li>F\u00eameas ov\u00edgeras de ambas esp\u00e9cies no estado final do desenvolvimento embrion\u00e1rio predominam na desembocadura do estu\u00e1rio, em altas salinidades \u2014 regi\u00e3o estrat\u00e9gica que garante a dispers\u00e3o de ovos para o alto-mar.<\/li>\n<\/ul>\n\n\n\n<p>\u201cEssas diferen\u00e7as mostram como cada grupo demogr\u00e1fico encontra seu nicho dentro do mosaico estuarino, permitindo a coexist\u00eancia de esp\u00e9cies t\u00e3o pr\u00f3ximas\u201d, explica a Dra. Sara Tembe, da ESCMC, coautora do estudo publicado em <em><a href=\"https:\/\/doi.org\/10.1007\/s12237-026-01711-8\">Estuaries and Coasts<\/a><\/em>.<\/p>\n\n\n\n<p>O trabalho destaca que compreender esses padr\u00f5es \u00e9 essencial para <strong>antecipar respostas das esp\u00e9cies \u00e0s mudan\u00e7as ambientais<\/strong> e apoiar a gest\u00e3o sustent\u00e1vel da pesca artesanal de caranguejos azuis. Leia mais sobre o estudo em: &nbsp;https:\/\/doi.org\/10.1007\/s12237-026-01711-8<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"881\" height=\"1024\" src=\"https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Fig_6b-881x1024.jpg\" alt=\"\" class=\"wp-image-1553\" srcset=\"https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Fig_6b-881x1024.jpg 881w, https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Fig_6b-258x300.jpg 258w, https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Fig_6b-768x893.jpg 768w, https:\/\/www.marine.uem.mz\/wp-content\/uploads\/2026\/04\/Fig_6b.jpg 900w\" sizes=\"(max-width: 881px) 100vw, 881px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pesquisadores da ESCMC (Mo\u00e7ambique) e universidades do Brasil investigaram a distribui\u00e7\u00e3o espacial de duas esp\u00e9cies de caranguejo azul \u2014 Callinectes [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1553,"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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