Mangrove wetland ecosystems generally include mangroves, tidal flats and base fish ponds. Generally by the algae, mangrove and semi-mangrove plants, associated plants, animals, microorganisms and other biological factors and sunlight, water, soil and other non-biological factors. Decomposition of the type and number are less, and the main anaerobic microorganisms, organism decomposition of incomplete body. Consumers are mainly sweet birds, especially waterfowl and fish, benthic invertebrates, insects, amphibians, reptiles are also more common, fewer species and the number of mammals.