Australia's Great Barrier Reef is suffering its sixth mass bleaching due to heat stress caused by climate change, the reef's managers confirmed Friday
The update comes mid-way through a 10-day monitoring mission by UNESCO scientists as they consider whether to add one of the world's seven natural wonders to their"in danger" list.The Great Barrier Reef Marine Park Authority and Australian Institute of Marine Science said Friday that aerial surveys of around 750 reefs show widespread bleaching across the reef, with the most severe bleaching observed in northern and central areas.
If conditions don't improve, coral can starve and die, turning white as its carbonate skeleton is exposed."Even the most robust corals require nearly a decade to recover," said Jodie Rummer, associate professor of Marine Biology at James Cook University in Townsville."So we're really losing that window of recovery. We're getting back-to-back bleaching events, back-to-back heat waves. And, and the corals just aren't adapting to these new conditions," she said.
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