{"id":11900,"date":"2024-09-19T21:14:02","date_gmt":"2024-09-19T21:14:02","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11900"},"modified":"2024-09-19T21:14:02","modified_gmt":"2024-09-19T21:14:02","slug":"climate-change-threatens-gulf-of-maine-cod-recovery","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/marine-biology\/climate-change-threatens-gulf-of-maine-cod-recovery\/","title":{"rendered":"Klimatick\u00e1 zm\u011bna ohro\u017euje obnovu tresky obecn\u00e9 v z\u00e1livu Maine"},"content":{"rendered":"

Zm\u011bna klimatu ohro\u017euje n\u00e1vrat tresky v z\u00e1livu Maine<\/h2>\n\n

Otepluj\u00edc\u00ed se vody naru\u0161uj\u00ed \u00fasil\u00ed o \u0159\u00edzen\u00ed rybolovu<\/h2>\n\n

Zm\u011bna klimatu p\u0159edstavuje v\u00fdznamnou hrozbu pro n\u00e1vrat tresky v z\u00e1livu Maine, a to navzdory p\u0159\u00edsn\u00fdm ryb\u00e1\u0159sk\u00fdm kv\u00f3t\u00e1m. Ned\u00e1vn\u00e1 studie odhalila, \u017ee se z\u00e1liv Maine otepluje mnohem rychleji ne\u017e zbytek oce\u00e1nu, co\u017e ovliv\u0148uje p\u0159e\u017eit\u00ed a rozmno\u017eov\u00e1n\u00ed tresky.<\/p>\n\n

Vliv teploty na p\u0159e\u017eit\u00ed tresky<\/h2>\n\n

V\u00fdzkumn\u00edci zjistili, \u017ee teplej\u0161\u00ed vody v z\u00e1livu Maine vedly ke sn\u00ed\u017een\u00ed p\u0159e\u017eit\u00ed larev a juveniln\u00edch tresek. Tak\u00e9 star\u0161\u00ed ryby vykazuj\u00ed vy\u0161\u0161\u00ed \u00famrtnost. Tyto \u00fa\u010dinky souvisej\u00edc\u00ed s teplotou zp\u016fsobily, \u017ee ryb\u00e1\u0159sk\u00e9 kv\u00f3ty jsou ne\u00fa\u010dinn\u00e9, proto\u017ee se spol\u00e9haj\u00ed na zastaral\u00e9 p\u0159edpoklady o m\u00ed\u0159e p\u0159e\u017eit\u00ed tresky.<\/p>\n\n

Golfsk\u00fd proud a oteplov\u00e1n\u00ed Arktidy<\/h2>\n\n

Rychl\u00e9 oteplov\u00e1n\u00ed z\u00e1livu Maine je zp\u016fsobeno posunem Golfsk\u00e9ho proudu sm\u011brem na sever, kter\u00fd je zp\u016fsoben zm\u011bnami ve vzorc\u00edch v\u011btru. Oteplov\u00e1n\u00ed Arktidy nav\u00edc p\u0159isp\u00edv\u00e1 ke zpomalen\u00ed atlantick\u00e9 meridion\u00e1ln\u00ed p\u0159evr\u00e1cen\u00e9 cirkulace, co\u017e m\u016f\u017ee tak\u00e9 hr\u00e1t roli v migraci Golfsk\u00e9ho proudu.<\/p>\n\n

D\u016fsledky pro \u0159\u00edzen\u00ed rybolovu<\/h2>\n\n

Studie zd\u016fraz\u0148uje pot\u0159ebu, aby spr\u00e1vci rybolovu p\u0159i stanovov\u00e1n\u00ed ryb\u00e1\u0159sk\u00fdch kv\u00f3t zohled\u0148ovali teplotu. Sou\u010dasn\u00e9 kv\u00f3ty nezohled\u0148uj\u00ed negativn\u00ed \u00fa\u010dinky oteplov\u00e1n\u00ed vod na populace tresky. V d\u016fsledku toho byly o\u010dek\u00e1van\u00e9 o\u017eiven\u00ed a velikost rybolovu tresky v z\u00e1livu Maine nadhodnoceny.<\/p>\n\n

Dopady na jin\u00e9 druhy<\/h2>\n\n

Pokles tresky v z\u00e1livu Maine nen\u00ed ojedin\u011bl\u00fd p\u0159\u00edpad. V\u00fdzkumn\u00edci se domn\u00edvaj\u00ed, \u017ee i jin\u00e9 druhy v severov\u00fdchodn\u00ed \u010d\u00e1sti USA a jinde mohou b\u00fdt podobn\u011b ovlivn\u011bny oteplov\u00e1n\u00edm vod. To vyvol\u00e1v\u00e1 obavy ohledn\u011b dlouhodob\u00fdch dopad\u016f zm\u011bny klimatu na mo\u0159sk\u00e9 ekosyst\u00e9my.<\/p>\n\n

Sv\u011btov\u00e9 z\u00e1soby tresky<\/h2>\n\n

Zat\u00edmco z\u00e1soby tresky v z\u00e1livu Maine maj\u00ed probl\u00e9my, jin\u00e9 z\u00e1soby tresky, jako jsou ty na Islandu, v Norsku a na Alja\u0161ce, si v sou\u010dasnosti vedou dob\u0159e. Pokles tresky v z\u00e1livu Maine v\u0161ak slou\u017e\u00ed jako varov\u00e1n\u00ed p\u0159ed potenci\u00e1ln\u00edmi hrozbami pro populace tresky po cel\u00e9m sv\u011bt\u011b.<\/p>\n\n

Adaptivn\u00ed strategie \u0159\u00edzen\u00ed<\/h2>\n\n

Aby spr\u00e1vci rybolovu mohli \u010delit v\u00fdzv\u00e1m, kter\u00e9 p\u0159in\u00e1\u0161\u00ed zm\u011bna klimatu, mus\u00ed p\u0159ijmout adaptivn\u00ed strategie \u0159\u00edzen\u00ed. To zahrnuje monitorov\u00e1n\u00ed environment\u00e1ln\u00edch podm\u00ednek a odpov\u00eddaj\u00edc\u00ed \u00fapravu ryb\u00e1\u0159sk\u00fdch kv\u00f3t. T\u00edm, \u017ee budou spr\u00e1vci br\u00e1t v \u00favahu teplotu a dal\u0161\u00ed faktory souvisej\u00edc\u00ed s klimatem, mohou pomoci zajistit udr\u017eitelnost z\u00e1sob tresky.<\/p>\n\n

D\u016fsledky pro potravinovou bezpe\u010dnost<\/h2>\n\n

Pokles tresky v z\u00e1livu Maine m\u00e1 d\u016fsledky pro potravinovou bezpe\u010dnost. Treska je cenn\u00fd zdroj potravy a jej\u00ed ztr\u00e1ta by mohla m\u00edt dopad na pob\u0159e\u017en\u00ed komunity a ryb\u00e1\u0159sk\u00fd pr\u016fmysl. Je nezbytn\u00e9 vypracovat strategie ke zm\u00edrn\u011bn\u00ed dopad\u016f zm\u011bny klimatu na rybolov a zaji\u0161t\u011bn\u00ed udr\u017eiteln\u00fdch dod\u00e1vek ryb a mo\u0159sk\u00fdch plod\u016f pro budouc\u00ed generace.<\/p>\n\n

Z\u00e1v\u011br<\/h2>\n\n

Zm\u011bna klimatu p\u0159edstavuje v\u00fdznamnou hrozbu pro rybolov tresky v z\u00e1livu Maine. Oteplov\u00e1n\u00ed vod ovliv\u0148uje p\u0159e\u017eit\u00ed a rozmno\u017eov\u00e1n\u00ed tresky, co\u017e z ryb\u00e1\u0159sk\u00fdch kv\u00f3t \u010din\u00ed ne\u00fa\u010dinn\u00e9. Spr\u00e1vci rybolovu mus\u00ed p\u0159i stanovov\u00e1n\u00ed kv\u00f3t zohled\u0148ovat teplotu a dal\u0161\u00ed faktory souvisej\u00edc\u00ed s klimatem, aby zajistili dlouhodobou udr\u017eitelnost z\u00e1sob tresky a odolnost mo\u0159sk\u00fdch ekosyst\u00e9m\u016f.<\/p>","protected":false},"excerpt":{"rendered":"

Zm\u011bna klimatu ohro\u017euje n\u00e1vrat tresky v z\u00e1livu Maine Otepluj\u00edc\u00ed se vody naru\u0161uj\u00ed \u00fasil\u00ed o \u0159\u00edzen\u00ed rybolovu Zm\u011bna klimatu p\u0159edstavuje v\u00fdznamnou hrozbu pro n\u00e1vrat tresky v z\u00e1livu Maine, a to navzdory…<\/p>\n","protected":false},"author":2,"featured_media":24392,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[16080,16081,1298,16082,34],"class_list":["post-11900","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-fisheries-management","tag-gulf-of-maine-cod","tag-marine-conservation","tag-ocean-warming","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=11900"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11900\/revisions"}],"predecessor-version":[{"id":24393,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11900\/revisions\/24393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/24392"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=11900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=11900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=11900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}