Coral bleaching vs mortality

When the ocean get too hot, corals expel the zooxanthellae algae that lives in their tissue.

In Western Australia, the damage to coral reefs including the World Heritage-listed Ningaloo has eclipsed any previous bleaching events.

These microorganisms give corals their bright pastel colours and disease resistance.

Their absence creates the bleaching effect many Australians have become all too familiar with.




A bleached coral.
Brooke Pyke

Unlike its east coast cousin, the Great Barrier Reef, the 270-kilometre Ningaloo Reef largely escaped the impact of climate change-induced ocean warming.

Till now.
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