Climate Change and Human Activities of Maqu Area and Its Impact on Eco-Environment
气候变化与人类活动对玛曲地区生态环境的影响

Using climatic data of precipitation, temperature, gale and dust from 1971 to 2000 in Maqu in Gansu, the paper analyzed the characteristics of climatic change in 30 years and its impact on Eco-environment in this region. The results show that the weather of gale and dust was still decreasing under the circumstances of precipitation reducing and temperature elevating, while the degree of aridity appeared increasing trend. The over grazing, denudating and digging of human has induced the vegetation productivity decrease, grassland degeneration, land desertification further severity in Maqu area. So, the important reasons of resulting in the deterioration of the eco-environment in this region were the warming and drying of climate and the irrational human activities.