An unprecedented deep-water marine heatwave has killed nearly 70% of corals in surveyed sections of Ningaloo Reef. Framework-building species have collapsed, resilient zones have also bleached, and prior stressors like 2022 hypoxia worsened vulnerability. Global ocean warming and record heatwaves have turned this into a systemic ecological crisis affecting biodiversity, reef stability, and regional ecosystems.
Click to View MoreNingaloo Reef in Western Australia has lost nearly 70 percent of its coral cover after an unprecedented marine heatwave. Mass death of key corals like Acropora has triggered a shift toward algae and sponges, exposing severe climate vulnerability and demanding urgent conservation and policy action.
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