Impact of Tourist Activities on the Environment in Bitahai Lake Wetland Ecotourism Scenic Spot
碧塔海景区旅游活动对湿地生态环境影响研究

Bitahai lake wetland could incarnate the artistic conception of "Shangri-La" in farthest. It attracts many tourists to visit every year. It is the most important spot of "Shangri-La" ecotourism scenic region. Based on field investigation and analysis, the paper analyzed the temporal and spatial distribution of tourist' s activities and their impacts on environment factors (soils and plants, etc.). The results showed that the closer to tour routes and the longer the tourist' s activities last, the stronger the impacts of tourists' activities on the soils characteristics and plants characteristics are. In the same plot, the changes of soil characteristic are quite different under different types and intensity of stresses. The impacts of tourist's activities on vegetations include: vegetation removed, trample of horses and tourists, collection of tourists, nibble of horses, garbage thrown away by people, excrement of horses, and invasion of species. The negative impacts of tourism activities on environment would result in the loss of wetland landscape, biodiversity and ecotourism. Then, some measures on environmental protection of Bitahai lake wetland were represented in the article.