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Coral bleaching afflicts most of Australia's Great Barrier Reef, report shows

17/4/2024 13:06
        Some three-quarters of Australia's famed Great Barrier Reef is suffering from coral bleaching, authorities said in a report on Wednesday, days after climate scientists warned the condition was blighting such reefs worldwide.
        
        At least 54 countries and regions have experienced mass bleaching of their reefs since February 2023 as climate change warms the ocean's surface waters, the U.S. National Oceanic and Atmospheric Administration (NOAA) has said.
        
        Roger Beeden, of the Great Barrier Reef Marine Park Authority said, "The Great Barrier Reef is an incredible ecosystem, and while it has shown its resilience time and time again, this summer has been particularly challenging."
        
        Beeden, the chief scientist of the Authority, which manages the area, added, "Climate change is the greatest threat to the Great Barrier Reef, and coral reefs globally."
        
        The Authority said in its report, coral bleaching was observed on 73% of the surveyed reefs in the park.
        
        Bleaching is triggered by changes in water temperatures that cause corals to expel the colourful algae living in their tissues. But the corals cannot survive without the algae, which deliver nutrients to them.
        



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