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Submerged Aquatic Vegetation Change

Detailed Description

This map of Sleeping Bear Dunes National Seashore on Lake Michigan shows the change in submerged aquatic vegetation (SAV) between 2010 and 2018. Blue shows SAV loss; orange shows SAV gain. Green was SAV in both years; tan was sand in both years. (Map courtesy of Bob Shuchman and Michael Sayers)


Public Domain.