Optimal Selection And Placement of Best Management Practices Used to Control Non-Point Source Pollution in Beizhai Small Watershed

摘要

BeiZhai small watershed located in Beijing Water Source Protection Area,It is of great significance in ecological functions and strategic status for BeiJing.Among this watershed,The HuaiJiuhe River flow from northwest to southeast into the HuaiRou reservoir.Recently,owing to the development of economy and society,the soil erosion and nutrient losses from non-point source pollution has become the most important factors for water body quality.Control the non-point source pollution from the upstream of HuaiRou Reservoir,and provide a scientific basis for watershed protection of water resources has become an urgent problem.With best management practices (BMPs) being used increasingly to control agricultural pollutant losses to surface waters.