Tuesday, October 28, 2008

Rising CO2 accelerates coral bleaching: study


Rising carbon dioxide levels in the world's oceans due to climate change, combined with rising sea temperatures, could accelerate coral bleaching, destroying some reefs before 2050, says a new Australian study.

The study says earlier research may have significantly understated the likely damage to the world's reefs caused by man-made change to the Earth's atmosphere.

"Previous predictions of coral bleaching have been far too conservative, because they didn't factor in the effect of acidification on the bleaching process and how the two interact," said Professor Ove Hoegh-Guldberg from the ARC Center of Excellence for Coral Reef Studies and Queensland University.

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