{"id":102023,"date":"2025-12-10T14:07:06","date_gmt":"2025-12-10T14:07:06","guid":{"rendered":"https:\/\/www.europesays.com\/se\/102023\/"},"modified":"2025-12-10T14:07:06","modified_gmt":"2025-12-10T14:07:06","slug":"karibiska-korallrev-halverade-sedan-1980","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/102023\/","title":{"rendered":"Karibiska korallrev halverade sedan 1980"},"content":{"rendered":"<p>            <a href=\"https:\/\/tidningensyre.se\/sektion\/radar\/\" class=\"article__breadcrumb-link article__breadcrumb-link--magenta\" rel=\"nofollow noopener\" target=\"_blank\">Radar<\/a><br \/>\n             \u00b7 Milj\u00f6\ufeff<\/p>\n<p>\n            Publicerad 17 minuter sedan\n        <\/p>\n<p>\n                    Korallrev t\u00e4cker mindre \u00e4n 1 procent av v\u00e4rldens havsbotten men hyser minst 25 procent av alla marina arter, enligt en studie fr\u00e5n Global coral reef monitoring network. Foto: Rodrigo Abd\/AP\/TT\n            <\/p>\n<p class=\"article__sublead\">Korallrev i Karibien har minskat kraftigt de senaste 45 \u00e5ren, visar en ny studie. Den fr\u00e4msta orsaken \u00e4r klimatf\u00f6r\u00e4ndringar.<\/p>\n<p class=\"article__paragraph\">Karibiska rev har f\u00f6rlorat n\u00e4stan h\u00e4lften av sina h\u00e5rdkoraller sedan 1980, enligt en studie fr\u00e5n <a href=\"https:\/\/gcrmn.net\/2025\/12\/09\/caribbean-2025-report\/\" target=\"_blank\" rel=\"noopener nofollow\">Global coral reef monitoring network<\/a>, rapporterar <a href=\"https:\/\/www.theguardian.com\/environment\/2025\/dec\/09\/caribbean-reefs-have-lost-48-of-hard-coral-since-1980-study-finds\" target=\"_blank\" rel=\"noopener nofollow\">The Guardian<\/a>. Enligt rapporten orsakas minskningen fr\u00e4mst av klimatf\u00f6r\u00e4ndringar, s\u00e4rskilt marina v\u00e4rmeb\u00f6ljor som skadar de mikroalger som ger korallerna n\u00e4ring och f\u00e4rg.<\/p>\n<p class=\"article__paragraph\">Under 2023\u201324 drabbades korallerna i regionen av \u201dden mest destruktiva termiska stress som n\u00e5gonsin registrerats\u201d, vilket ledde till en minskning av korallt\u00e4ckningen med 16,9 procent j\u00e4mf\u00f6rt med f\u00f6reg\u00e5ende \u00e5r, enligt samma forskarn\u00e4tverk.<\/p>\n<p class=\"article__paragraph\">N\u00e4r h\u00e5rdkoraller f\u00f6rsvinner tar makroalger \u00f6ver och sedan 1980 har makroalgernas t\u00e4ckning \u00f6kat med 85 procent. Till skillnad fr\u00e5n mjukkoraller (som inte har ett h\u00e5rt skelett) \u00e4r h\u00e5rdkoraller de som p\u00e5verkas mest av blekning och v\u00e4rmestress, eftersom de \u00e4r beroende av symbiotiska mikroalger f\u00f6r n\u00e4ring och f\u00e4rg.\u00a0<\/p>\n<p class=\"article__paragraph\">Studien, sammanst\u00e4lld av fler \u00e4n 300 forskare i 44 l\u00e4nder, belyser ocks\u00e5 framg\u00e5ngar. S\u00f6dra Mexikanska golfen har utsatts f\u00f6r allvarlig v\u00e4rmestress sedan 2023, men forskare uppt\u00e4ckte d\u00e4r gamla, motst\u00e5ndskraftiga korallkolonier, fria fr\u00e5n sjukdomar och med kritiskt hotade korallarter. Vissa \u00e4ldre korallkolonier \u00f6verlever trots stressen, och nya marina skyddsomr\u00e5den i Mexikanska golfen ska underl\u00e4tta \u00e5terh\u00e4mtning.<\/p>\n","protected":false},"excerpt":{"rendered":"Radar \u00b7 Milj\u00f6\ufeff Publicerad 17 minuter sedan Korallrev t\u00e4cker mindre \u00e4n 1 procent av v\u00e4rldens havsbotten men hyser&hellip;\n","protected":false},"author":2,"featured_media":102024,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[80,78,79,34,31,33,32,30,81,84,83,82],"class_list":{"0":"post-102023","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-vetenskap-och-teknik","8":"tag-science","9":"tag-science-and-technology","10":"tag-scienceandtechnology","11":"tag-se","12":"tag-svenska","13":"tag-sverige","14":"tag-sweden","15":"tag-swedish","16":"tag-technology","17":"tag-teknik","18":"tag-vetenskap","19":"tag-vetenskapteknik"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/115695664729606292","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/102023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/comments?post=102023"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/102023\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/102024"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=102023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=102023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=102023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}