swamp
Swamp is a special natural system, also belong to a wetland, but has its unique characteristics. The swamp must have three mutually constrained features: ▪ the surface must be thin layer of water or often wet; ▪ soil peat is formed or accumulated; ▪ wetlands or swamp plants are grown on the surface. The marsh is in the middle of the process of plant ecological succession. It is the middle stage of evolution from the water body to the land. When the temperature is suitable, the plant grows in a large amount, but the swell is developed when the decomposition rate is unhappy. The remains of the plant are accumulating, forming peat, Into the grassland. ...