Barrier Islands: Benefits for Coastal Protection and Ecosystem Health

Barrier islands provide critical ecosystem services:

  1. Erosion control: Absorb wave energy, protecting mainland, especially during storms.
  2. Flood control: Buffer storm surge, reducing coastal flooding.
  3. Wildlife habitat: Support diverse species in salt marshes, dunes, beaches.
  4. Recreation: Tourism for swimming, fishing, boating, wildlife viewing.

They also filter pollutants, trap nutrients, and support marine food webs, making them invaluable natural coastal defenses.

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