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National Estuarine Research Reserve System Biogeographic Regions

Biographic Region Biographic Sub-region Reserve
Acadian Northern Gulf of Maine

Southern Gulf of Maine Wells, ME


Great Bay, NH
Virginian Southern New England Narragansett Bay, RI


Waquoit Bay, MA


Hudson River, NY

Middle Atlantic Jacques Cousteau, NJ


Delaware

Chesapeake Bay Chesapeake Bay, MD


Chesapeake Bay, VA
Carolinian Northern Carolinas North Carolina


North Inlet/Winyah Bay, SC


ACE Basin, SC

South Atlantic Sapelo Island, GA

East Florida Guana Tolomato Matanzas, FL
West Indian Caribbean Jobos Bay, PR

West Florida Rookery Bay, FL
Louisianan Panhandle Coast Apalachicola, FL


Weeks Bay, AL

Mississippi Delta Grand Bay, MS

Western Gulf Mission-Aransas, TX
Californian Southern California Tijuana River, CA

Central California Elkhorn Slough, CA

San Francisco Bay San Francisco Bay, CA
Columbian Middle Pacific South Slough, OR

Washington Coast

Puget Sound Padilla Bay, WA
Great Lakes Lake Superior

Lakes Michigan and Huron  

Lake Erie Old Woman Creek, OH

Lake Ontario St. Lawrence River, NY
Fjord Southern Alaska

Aleutian Islands Kachemak Bay, AK
Sub-Artic Northern Alaska
Insular Hawaiian Islands

Western Pacific Islands

Eastern Pacific Islands



Italics = Proposed Reserves