并分别探讨了涵养水源、减少土壤侵蚀、减少土壤养分流失及减少水库泥沙淤积的效益量化计算方法，以山西省陵川县马屹当小水电代燃料试点工程为例进行了水土保持效益的实例计算。

• And study the quantified methodology of self-restraint the source, the soil erosion reducing, the soil nutrient prediction and reservoir mud alluvial prediction, and applies the model count the water conservation benefit in Lingchuan county Magedang experimental unit in Shanxi province.