The long stretch of salt marshes you see driving over Lowcountry bridges serve many purposes for the ecosystem, but their ...
Salt marshes may be formed behind a spit. The zone behind a spit becomes a sheltered area. Water movement slows down and so more material is deposited. Deposition may form a salt marsh.
Creates a salt marsh which can provide habitats for wildlife and a natural defence against erosion and flooding. Salt marshes are diverse ecosystems supporting many species.
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