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USGS monitors growth rates of Elkhorn Coral

By St. Petersburg Coastal and Marine Science Center
Photo of a small concrete block; a disk attached to the top holds a small growing coral.
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Detailed Description

 

USGS monitors the growth rates of the threatened Elkhorn Coral (Acropora palmata) at Dry Tortugas National Park (pictured) and throughout the Florida Keys, U.S.A.

Sources/Usage

Public Domain.