{"id":82994,"date":"2024-03-13T07:00:00","date_gmt":"2024-03-13T07:00:00","guid":{"rendered":"https:\/\/enterpriseam.com\/climate\/2024\/03\/13\/the-great-barrier-reef-is-experiencing-its-fifth-mass-coral-bleaching\/"},"modified":"2024-03-13T07:00:00","modified_gmt":"2024-03-13T07:00:00","slug":"the-great-barrier-reef-is-experiencing-its-fifth-mass-coral-bleaching","status":"publish","type":"post","link":"https:\/\/enterpriseam.com\/climate\/2024\/03\/13\/the-great-barrier-reef-is-experiencing-its-fifth-mass-coral-bleaching\/","title":{"rendered":"The Great Barrier Reef is experiencing its fifth mass coral bleaching"},"content":{"rendered":"

Australia\u2019s <\/strong>Great Barrier Reef<\/a><\/strong> \u2014 <\/strong>the world\u2019s most extensive coral reef ecosystem<\/strong> \u2014 has <\/strong>been hit by widespread coral bleaching for the fifth time in eight years<\/strong>, The Guardian<\/a> reports, citing a statement<\/a> by the Great Barrier Reef Marine Park Authority. Aerial surveys conducted by the Reef Authority and the Australian Institute of Marine Science covered over 300 reefs and confirmed mass shallow water coral bleaching. <\/p>\n

What\u2019s happening?<\/strong> Coral bleaching is caused by above-average sea surface temperatures which expel algae which feed the coral nutrients and give them their color. Climate-induced coral bleaching<\/a> can lead to reefs\u2019 death, while ocean acidification<\/a> makes conditions unfavorable for growth. <\/p>\n

It\u2019s a global problem: <\/strong>Summer 2023 \u2014 the hottest on record \u2014 contributed to mass coral bleaching<\/a> in several places around the world, with almost a dozen countries affected. Under the Intergovernmental Panel on Climate Change\u2019s most upbeat scenario<\/a> coral reefs are still projected with \u201cvery high confidence\u201d to decline by a further 70\u201390% by the end of this century, with losses increasing to 99% at 2\u00b0C of warming.<\/p>\n

Huge loss for Australia:<\/strong> The Great Barrier Reef \u2014 designated as a World Heritage site in 1981 \u2014 contains more than 1.5k species of fish, 400 coral species, 4k mollusk species, and around 240 types of birds, according to Unesco<\/a>. It spans 348k sq km and has 2.5k individual reefs and over 900 islands of various sizes and shapes. <\/p>\n

What\u2019s next?<\/strong> More research combining spatial coverage with in-water testing is necessary to gauge the damage in deeper reef habitats, according to the Reef Authority. The recovery potential for corals depends on the duration and intensity of heat stress, and prolonged or severe heat may lead to coral death.<\/p>\n","protected":false},"excerpt":{"rendered":"

This is the fifth mass bleaching in less than a decade<\/p>\n","protected":false},"author":1,"featured_media":82995,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"newspack_ads_suppress_ads":false,"newspack_popups_has_disabled_popups":false,"newspack_sponsor_sponsorship_scope":"","newspack_sponsor_native_byline_display":"inherit","newspack_sponsor_native_category_display":"inherit","newspack_sponsor_underwriter_style":"inherit","newspack_sponsor_underwriter_placement":"inherit","ep_exclude_from_search":false,"_primary_brand":0,"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[157],"tags":[327,205,156,354,11],"brand":[],"newspack_spnsrs_tax":[],"class_list":["post-82994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climate-in-the-news","tag-australia","tag-biodiversity","tag-climate-in-the-news","tag-conservation","tag-enterpriseclimate","wpautop","entry"],"acf":{"mongo_id":"2b45e98f-4010-4b5d-ae0d-ef632f8c1da5","is_powered_by":false,"story_type":"1","photo_url":"https:\/\/ent.news\/2024\/3\/1012.jpg","photo_position":"above","homepage_title":"","full_issue_title":"The Great Barrier Reef is experiencing its fifth mass coral bleaching","related_issue":[82976],"teaser":"This is the fifth mass bleaching in less than a decade","voice_url":"https:\/\/s3.us-east-1.amazonaws.com\/ent.news\/audio\/2024\/3\/.d9eb6872-3d89-47a9-bc2e-4c1bed63066a.mp3"},"yoast_head":"\nThe Great Barrier Reef is experiencing its fifth mass coral bleaching - 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