Is the source for reducing the intensity of the wave. Prevent soil erosion the coast help to slow the speed of the wind. The storm, reduced before up to the coast, the damage to residential areas and terraces of villagers living nearby. Enhance the area along the coast because the root system of mangrove wood to aid in the deposition of mud lanes. Causing the soil to regenerate it. A filter of depreciation caused by the plant. Otherwise flow into the sea Damage to aquatic life and ecosystems in coastal areas have.