Scientific survey found all reefs had been affected by high sea surface temperatures, with up to 90% of coral colonies bleached in some areas
More than 60% of coral in reefs in the Maldives has been hit by “bleaching” as the world is gripped by record temperatures in 2016, a scientific survey suggests.
Bleaching happens when algae that lives in the coral is expelled due to stress caused by extreme and sustained changes in temperatures, turning the coral white and putting it at risk of dying if conditions do not return to normal.
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Source: Guardian Environment