The contribution of non-point pollution in the Jianshan River watershed,the first branch of Fuxian Lake
抚仙湖一级支流尖山河小流域的面源污染物贡献特征

This research was undertaken in the Jianshan River watershed of Fuxian Lake,Yunnan Province to analyze the contribution of non-point source pollution to the watershed from different land use types,and to put forward control countermeasures for the non-point source pollution.Surface runoff and sediment were determined,and non-point source pollutants were tested in sloped farmland,terraces,shrub land,grass land,artificial forest,natural secondary forest,villages and roads.Heavy showers occur mainly from June ...