{"id":40825,"date":"2025-08-06T08:00:10","date_gmt":"2025-08-06T06:00:10","guid":{"rendered":"https:\/\/deepseareporter.dev.phosdev.se\/?p=40825"},"modified":"2025-08-06T08:00:12","modified_gmt":"2025-08-06T06:00:12","slug":"alarmerande-korallblekning-i-stora-barriarrevet","status":"publish","type":"post","link":"https:\/\/deepseareporter.dev.phosdev.se\/sv\/alarmerande-korallblekning-i-stora-barriarrevet\/","title":{"rendered":"Alarmerande korallblekning i Stora barri\u00e4rrevet"},"content":{"rendered":"\n<p><strong>Stora barri\u00e4rrevet i Australien har drabbats av den mest omfattande korallblekningen som uppm\u00e4tts hittills, enligt en regeringsrapport.<\/strong><\/p>\n\n\n\n<p>M\u00e4tningarna har p\u00e5g\u00e5tt under 40 \u00e5r. Korallblekning sker till f\u00f6ljd av \u00f6kad temperatur i havet och inneb\u00e4r att de mikroorganismer som lever i symbios med koralldjuren avl\u00e4gsnar sig fr\u00e5n korallerna. Korallerna blir d\u00e5 vita och d\u00f6r.<\/p>\n\n\n\n<p>Australiens institut f\u00f6r marin vetenskap har \u00f6vervakat h\u00e4lsan hos 124 korallrev inom Stora barri\u00e4rrevet mellan augusti 2024 och maj 2025, d\u00e5 rekordh\u00f6ga havstemperaturer under fjol\u00e5ret ledde till \u201do\u00f6vertr\u00e4ffade niv\u00e5er av v\u00e4rmestress\u201d.<\/p>\n\n\n\n<p>Rapporten visar nu att de norra samt s\u00f6dra delarna av revet har drabbats av \u201dden st\u00f6rsta \u00e5rliga minskningen av korallt\u00e4cke\u201d som n\u00e5gonsin uppm\u00e4tts. Revet har b\u00e5de h\u00e4rjats av tropiska ov\u00e4der och angripits av sj\u00f6borrar som \u00e4ter koraller.<\/p>\n\n\n\n<p>Men den st\u00f6rsta anledningen till korallblekningens utbredning \u00e4r klimatf\u00f6r\u00e4ndringarna, enligt Mike Emslie som lett studien.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Det \u00e4r ingen tvekan om det, s\u00e4ger han.<\/p>\n<\/blockquote>\n\n\n\n<p>Blekningen som nu noterats i Stora barri\u00e4rrevet \u00e4r den sj\u00e4tte inom nio \u00e5r. Men den koralltillv\u00e4xt som samtidigt skett kommer att kompensera f\u00f6r bortfallet, tror forskarna.<\/p>\n\n\n\n<p>F\u00f6r att Stora barri\u00e4rrevet ska repa sig kr\u00e4vs flera \u00e5r av koralltillv\u00e4xt och minimal milj\u00f6p\u00e5verkan, enligt forskarna.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><sup><strong>Omslagsbild<\/strong>: En del av Stora barri\u00e4rrevet fotograferad 2022. Foto: Sam McNeil\/AP\/TT <\/sup><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stora barri\u00e4rrevet i Australien har drabbats av den mest omfattande korallblekningen som uppm\u00e4tts hittills, enligt en regeringsrapport.<\/p>\n","protected":false},"author":4,"featured_media":40826,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[244],"tags":[324,2451,381,382],"class_list":["post-40825","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-klimat-och-miljo","tag-australien","tag-korallblekning","tag-koraller","tag-stora-barriarrevet"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Alarmerande korallblekning i Stora barri\u00e4rrevet - Deep Sea Reporter<\/title>\n<meta name=\"description\" content=\"Stora barri\u00e4rrevet i Australien har drabbats av den mest omfattande korallblekningen som uppm\u00e4tts hittills, enligt en regeringsrapport.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alarmerande korallblekning i Stora barri\u00e4rrevet - 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