Related topics: coral reefs

NASA begins study of Australia's Great Barrier Reef

A NASA airborne mission designed to transform our understanding of Earth's valuable and ecologically sensitive coral reefs has set up shop in Australia for a two-month investigation of the Great Barrier Reef, the world's ...

Early warning signal for ecosystem catastrophe detected

Researchers eavesdropping on complex signals emanating from a remote Wisconsin lake have detected what they say is an unmistakable warning -- a death knell -- of the impending collapse of the lake's aquatic ecosystem.

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