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Gulf Barrier Islands and Coastal Marshes

Ecoregion in Atlantic Coastal Plain in LA, MS, AL, FL

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The Gulf Barrier Islands and Coastal Marshes region contains salt and brackish marshes, dunes, beaches, and barrier islands that enclose the Mississippi Sound and Mobile Bay. Cordgrass and saltgrass are common in the intertidal zone, while xeric coastal strand and pine scrub vegetation occurs on parts of the dunes, spits, and barrier islands. Dauphin Island, one of Alabama’s best birding sites, is known for the many trans-gulf migrant bird species that can be seen in spring and fall.

— EPA

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