Study on the Interaction Characteristic of Wind-Water Alternate Erosion of Mid-West Desert Grasslands in the Inner Mongolia

In recent years, as a result of personal factors and natural factors of climate, soil, vegetation and so on, grasslands eco-environment worsens continuously, desertification is intensifying and soil and water loss is very severe, which is directly threatening to the national ecological security and sustainable development of national economy. On the basis of predecessors' achievements and our previous work, selecting the WuLanChaBu desert grasslands of the inner Mongolia as main study areas, where soil and water loss is severe and wind erosion and water erosion interact, we using the research approach combining field survey，remote sensing interpreter with field dynamic observations to analyze and study the characteristic of wind-water alternate erosion of the desert grasslands.