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A Nugget of Hope for Coral Reefs

coral
Photo: R. Berkelmans

By Robin Meadows
October-December 2006 (Vol. 7, No. 4)

Berkelmans, R. and M.J.H. van Oppen. 2006. The role of zooxanthellae in the thermal tolerance of corals: A 'nugget of hope' for coral reefs in an era of climate change. Proceedings of the Royal Society: Biology 273(1599): 2305-2312.


Good news at last for coral reefs: although warmer waters can bleach and kill vast swathes of coral, some colonies continue to thrive despite temperature spikes.

This is "a nugget of hope for coral reefs in an era of climate change," say Ray Berkelmans and Madeleine van Oppen of the Australian Institute of Marine Science in Proceedings of the Royal Society: Biology.

Corals get their food and coloration from symbiotic algae, but temperature-stressed corals expel their



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