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    Home » Australia’s Great Barrier Reef hit by record bleaching as oceans warm | Climate Crisis News
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    Australia’s Great Barrier Reef hit by record bleaching as oceans warm | Climate Crisis News

    FreshUsNewsBy FreshUsNewsAugust 6, 2025No Comments3 Mins Read
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    New Australian authorities report finds coral decline throughout the reef on account of ‘local weather change-induced warmth stress’.

    The Nice Barrier Reef has suffered its most widespread coral bleaching on file, in keeping with a brand new Australian authorities report, as ocean temperatures soared in 2024.

    The Australian Institute of Marine Science (AIMS) stated on Wednesday that it surveyed the well being of the reefs between August 2024 and Might 2025 and located the “most spatially in depth” bleaching since data started in 1986, which was “predominantly pushed by local weather change-induced warmth stress”.

    Scientists additionally discovered that coral cowl declined by virtually one-third, down to simply 26.9 %, within the southernmost third of the reef, because the southern reefs skilled their highest recorded ranges of warmth stress.

    “The declines within the north and south had been the biggest in a single 12 months since monitoring started 39 years in the past,” the research’s authors wrote in The Dialog publication.

    Described because the world’s largest dwelling construction, the Nice Barrier Reef is a 2,300km (1,400-mile) expanse of tropical corals that homes a shocking array of biodiversity.

    AIMS CEO Professor Selina Stead stated that “mass bleaching occasions have gotten extra intense and are occurring with extra frequency”.

    “The way forward for the world’s coral reefs depends on robust greenhouse fuel emissions discount,” Stead stated.

    Managing native pressures and serving to the reefs to “adapt to and get better from the impacts of local weather change” was additionally necessary, she added.

    In line with UNESCO, which has categorised the Nice Barrier Reef as a World Heritage Web site, the ecosystem is dwelling to the world’s largest assortment of coral reefs, together with 400 kinds of coral.

    It’s also dwelling to 1,500 species of fish, 4,000 kinds of mollusc, 240 species of birds, in addition to species such because the dugong and the big inexperienced turtle, in keeping with UNESCO.

    The Nice Barrier Reef is dwelling to clownfish, as made well-known within the 2003 Disney movie, Discovering Nemo [File: Sam McNeil/AP Photo]

    Whereas United Nations consultants say the Nice Barrier Reef ought to be included among the many World Heritage Websites which can be categorised as “at risk”, the Australian authorities has lobbied to maintain it off the endangered checklist, fearing it might have an effect on the billions of {dollars} in tourism income it generates yearly.

    In a report launched final week, Australia’s Local weather Change Authority stated that alternatives to guard the Nice Barrier Reef from local weather change embrace main fossil-fuel exporting nations adopting low- and zero-emission options and stronger motion on local weather pollution, equivalent to methane, which “contribute most to near-term local weather warming”.

    However Australia stays a major exporter of fossil fuels, together with coal from the controversial Adani coal mine, which is shipped out previous the Nice Barrier Reef.

    The authority’s report additionally famous that some 93 % of the surplus warmth within the ambiance has been absorbed by the world’s oceans, and that 2024 ocean temperatures surpassed the earlier file set in 2023.



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