Effect of Climatic Factor on the Grassland Degradation in Siziwang Banner

The rise of temperature and the increase of precipitation were beneficial to increase the growth and development ability of forage. But the incongruity of the combination of the main climatic factors such as water and heat and the strong evaporation were not beneficial to the growth of forage, which hindered the growth and development of grassland plant in this region, decrease the primary productivity and increase the area of grassland degradation.