We also should build reservoirs ,change the land into terraced fields,plan reasonably and combine the biological methods with project methods in order to control the water and soil loss.

• 水土流失是我国当前突出的生态环境问题,文章以合肥大房郢水库流域水土流失为例,揭示小流域水土流失对环境的危害性,提出相应的防治措施和合理化建议。