干旱区生态环境知识资源中心

This paper based on the full investigation and analysis of natural environment conditions and present governing measures of thick silt central source areas in the middle reach of Yellow River, analyses the natural environment condition, the social economy condition and the benefit of barring sand in the loess region, the soft rock area and covers the desert region which are three different governing areas, discusses the applicability of the governing measures of trench projects, for example the hydraulic fill dam, sediment pool and so on, as well as the slope governing measures, such as terrace, forestry, grass and so on, proposes the different governing measures in different areas, has provided the scientific basis for the governing direction of the conservation of water and soil in this area.