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News Release 15-062

Coral reefs defy ocean acidification odds in Palau

Palau reefs show few of the predicted responses

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coral reefs

Palau's beautiful coral reefs are surprisingly resistant to the effects of ocean acidification.

Credit: WHOI


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Scientist Hannah Barkley  under water collecting samples

Scientist Hannah Barkley collects coral skeleton cores using an underwater drill.

Credit: Alexi Shalapyonok


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water and tress in Palau's Rock Island bay

Seawater pH in Palau's Rock Island bays is as low as the open ocean may be at this century's end.

Credit: Hannah Barkley


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Coral reefs under water

Coral reefs under low pH conditions in Palau are still diverse and have high coral cover.

Credit: Hannah Barkley


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Huge Porites corals

Huge Porites corals are relatively healthy throughout Palau waters.

Credit: Hannah Barkley


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borings made by bivalves on a coral

Coral bio-erosion, including these borings made by bivalves, increases during ocean acidification.

Credit: Hannah Barkley


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