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Alaska Bathymetry, Sediments, and Smooth Sheets

NOAA is mandated to identify Essential Fish Habitat (EFH) by provisions of the Magnuson-Stevens Act, but the necessary data sets are not always available. In the marine environment, depth and sediment type are often the most important determinants.

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Two aquaculture workers pull a line of kelp out of the water and into their boat, on Seagrove Kelp Co's farm site. Buoy markers are present on the water's surface. Sustainably grown, organic Alaskan kelp is harvested at the Seagrove Kelp Co. farm in Doyle Bay. Credit: NOAA Fisheries/Jordan Hollarsmith