| The small hydropower station for fuel project is a commonweal project,give prominence to the ecology benefit.This paper classifies the soil and water conservation benefit of the project into water conservation benefit by forest and soil erosion reducing benefit.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. |