[Objective]To find out the situation of Nansha Coast Park point and non-point source pollution. [Method] By … investigating the park water environment analysis of point and non-point source pollutants contribution rate, setting up water … quality.[Result]The Coast Park point source pollution mainly comes from the campus greeting fertilizer spraying. The COD of …

study of rural non-point source pollution problems in the process of urbanization based on the improved STIRPAT model. We … that the technological level, the size of the population and financial support are important factors affecting rural non-point … source pollution. Therefore, we believe that technical progress, transformation of the mode of production and increasing the …