Bulletin of Chinese Academy of Sciences (Chinese Version)


agricultural non-point source pollution; aquatic environments; 4R theory of reduce-retain-reuse-restore; ecosystem service

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Agricultural non-point source pollution is becoming the main source of pollution load of surface waters since the point source pollution has been controlled in China step by step, potentially threatening the health of aquatic ecosystem and safety of drink water. This work analyzes the characteristics and forming reasons of the agricultural non-point source pollution, summarizes the main technologies and theory, in particular the 4R theory of reduce-retain-reuse-restore that prevents and controls agricultural non-point source pollution based on whole ecosystem. This work also analyzes the main problems of current technologies and theories of preventing and controlling agricultural non-point source pollution. Based on the above analyses, some perspectives are suggested including basic researches, synergies of ecosystem service function and joint controlling in regional scales, and commercialization of technologies for agricultural non-point source pollution control and aquatic environmental protection.

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Bulletin of Chinese Academy of Sciences


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