Abstract:

Abstract：In recent years degradation of Tibetan plateau Maqu alpine meadow has become increasingly serious. Maqu County of Gansu Province located in the first bend of the Yellow River, which is the main catchment area and the important water sources conservation areas of upper Yellow River, it added Yellow River water about 45%. However, nearly 90% of the natural meadow has appeared degradation and made wetlands shrinking in Maqu County for increasing in population and livestock, the predatory business to serious degradation of meadows. Desertification area of more than 5×104 hm2, and the annual increasing rate is 10.8%. The paper reviews recent effects of artificial disturbance on Maqu Alpine Degraded Meadow. It has important significance to Maqu County of alpine grassland ecological environment restoration and desertification control.