USGS - science for a changing world

St. Petersburg Coastal and Marine Science Center

Coral Reef Ecosystem Studies (CREST)



Coral reefs protect billions of dollars’ worth of built infrastructure and fuel the economies of coastal communities throughout the tropical and subtropical world. Coral reef systems are in crisis—estimates of reef loss to date range from twenty to thirty percent. Science is needed to determine what humans can do to reverse the decline. Specific science goals include:

Find out more in the Overview.

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