Mangrove forests are very useful, including Keeping the shoreline to remain stable. Protect beaches and river cliffs from erosion or abrasion processes, and hold or absorb strong winds from ground to surface. Holding sediment periodically until new land is formed. As a buffer zone the process of intrusion or seepage of sea water to land, or as a saltwater filter becomes bargaining.
From the results of your photos are very interesting, with a good tone to make the eyes do not get bored looking at it.
Nice shoot
RE: B&W Photo Contest Reflections Entry 2 - Save the coast with mangroves