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Perdido Bay is located on the Alabama-Florida border. The bay is a small estuarine system fed by freshwater from the Perdido River, which is designated an Outstanding Florida Water. Besides Perdido Bay, the system includes Tarkiln Bay, Arnica Bay, Bay La Launch and Bayou St. John. The bays are separated from the Gulf of Mexico by Perdido Key and water exchange takes place through Perdido Pass. The system is bounded by two barrier islands, Perdido Key and Santa Rosa Island.The bay system is characterized by saltwater sounds and marshes. Species dominant in the region include fishes and birds, several of which are rare and/or endangered.
Coordinates: 30.38° N 87.45° W
Selected Characteristics: (USEPA, 1999)
Surface Area: 130 km2
Drainage Area: 3,100 km2
Average Daily FW Inflow: 62 m3/s
Average Depth: 3.0 m
Average Salinity: 15 ppt
Coastal Wetlands: 688 km2
USEPA. 1999. Ecological condition of estuaries in the Gulf of Mexico. EPA 620-R-98-004. U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Gulf Ecology Division, Gulf Breeze, Florida. 80 pp.
USFW. 1982. Gulf Coast Ecological Inventory Map; Pensacola, FL-AL area. U.S. Fish and Wildlife Service. 1982.
Alabama State Parks
Perdido Bay Foundation
Florida Department of Environmental Protection (Perdido Key State Park)
Mississippi-Alabama Sea Grant Consortium
Keywords: Perdido, Bays, Estuaries
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