Underwater grasses play an important role in the ecosystem of the Chesapeake Bay. The Chesapeake Bay Program's goal is to have 185,000 acres of underwater grasses in the Chesapeake Bay.
The Chesapeake Bay Grasses Map is a mapped timeline of Chesapeake Bay grasses from 1984 to 2010, tracking changes in the health of underwater grasses in the Bay over this time. As well as the mapped timeline