They improve water quality, and they naturally control pollution by removing agricultural chemicals and other pllutants from the surface of the water. Wetlands are also efficient alternatives for sewage and animal waste treatment. Wetlands also improve the quality of lakes and reservoirs by filtering sediment from runoff water which helps reduce sedimentation. They help reduce floods by reducing peak water flow from storms and recharging ground water supplies as they release water into the ground. Wetlands are also very crucial providers of important wildlife habitats.
Wetlands are among the most biologically productive natural ecosystems in the world.
They can be compared to the tropical rainforests and the coral reef. If we continue to lose wetlands at the rate we are now, there will be no habitat for these endangered species to survive in. The world would be extremely boring with out the animal diversity provided by wetlands. To take a virtual tour of a wetland click here . Estuaries depend on wetlands to maintain water quality and provide basis for food chains that culminate in the human consumpstion of seafood.