Elkhorn coral on a USGS calcification assessment station, Dry Tortugas
Elkhorn coral on a USGS calcification assessment station, Dry TortugasEstablished in 2009, the U.S. Geological Survey’s Coral Assessment Network (USGS-CAN) provides data on coral-growth (calcification) rates throughout the Florida Keys. Pictured here is one of 30 stations located in in Dry Tortugas National Park.