The Characteristics and Conservational Measures of Wetlands Ecosystem in Tibet

Wetlands are a special ecosystem with various ecological functions on earth. There are rich plateau wetlands ecosystems in Tibet which is endemic to China. Wetlands in Tibet plateau include natural and artificial ones. The total area of wetlands is about 3126253.33hm , accounting for 2.59% of total area, among which there are 3097653.33 hm2 of natural wetlands and 28600 hm2 of artificial wetlands, accounting for 99.09% and 0.91% of total area respectively. Lake wetland and river wetland are two main types, accounting for 82.36% and 14.71% of total wetlands area. The wetlands in Tibet plateau have such characteristics as various wetlands types, wide distribution but uneven and abundant biodiversity. The frangibility of wetlands ecosystem include lake water level lowering, lessening of stream flow, lake shrinking, degradation of swamp wetland, and so on. Due to importance of wetlands ecosystem in Tibet, its countermeasures of conservation is put forward in this article.