The Chesapeake Bay National Estuarine Research Reserve-VA contains a diverse collection of habitats including oyster reefs, seagrass beds, tidal wetlands, sandy shoals, salt and brackish marshes, mudflats, maritime forests, and open water channels. To address the diversity of habitats, the Chesapeake Bay-Virginia Reserve established a multi-site system which ranges from tidal freshwater to high salinity conditions along the York River estuary. Reserve components include Sweet Hall Marsh, Taskinas Creek, Catlett Island and Goodwin Islands.