ecology importance of jekyll island beach
BEACH ECOLOGY. Accretion-building up of land by physical forces. Barrier island-long, narrow island lying parallel to the mainland and separated from it by bay, lagoon, or marsh (Jekyll is a barrier island).Bivalve-Mollusks having two shells (like clams, oysters, and mussels).Continental Shelf-remaining submerged portion of the coastal plain.arrier island-long, narrow island lying parallel to the mainland and separated from it by bay, lagoon, or marsh (Jekyll is a barrier island). Bivalve-Mollusks having two shells (like clams, oysters, and mussels). Continental Shelf-remaining submerged portion of the coastal plain.