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Analysis of Agricultural Non-point Source Pollution and Its Countermeasures in Poyang Lake Area Based on GIS

Zhou Wen-bin

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Abstract

The study on non-point source(NPS) pollution of Poyang Lake is very important during the period of Poyang Lake ecological economic construction.Land use situation of the Poyang Lake was studied based on GIS.By analysis of the using amount and intensity of chemical fertilizers and the status of pesticides,the discharging amount of the pollutants from the two sources was estimated,and the influence on the ecological environment of Poyang Lake is explored.Analysis of the data shows that chemical fertilizers and pesticides are the main agricultural non-point source pollutions in Poyang Lake area.And the corresponding non-point source pollution control technologies-the best management measures are suggested.

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What this paper is about

The study on non-point source(NPS) pollution of Poyang Lake is very important during the period of Poyang Lake ecological economic construction.Land use situation of the Poyang Lake was studied based on GIS.By analysis of the using amount and intensity of chemical fertilizers and the status of pesticides,the discharging amount of the pollutants from the two sources was estimated,and the influence on the ecological environment of Poyang Lake is explored.Analysis of the data shows that chemical fertilizers and pesticides are the main agricultural non-point source pollutions in Poyang Lake area.And the corresponding non-point source pollution control technologies-the best management measures are suggested.

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Available abstract

The study on non-point source(NPS) pollution of Poyang Lake is very important during the period of Poyang Lake ecological economic construction.Land use situation of the Poyang Lake was studied based on GIS.By analysis of the using amount and intensity of chemical fertilizers and the status of pesticides,the discharging amount of the pollutants from the two sources was estimated,and the influence on the ecological environment of Poyang Lake is explored.Analysis of the data shows that chemical fertilizers and pesticides are the main agricultural non-point source pollutions in Poyang Lake area.And the corresponding non-point source pollution control technologies-the best management measures are suggested.

Key concepts: Nonpoint source pollution, Environmental science, Pollution, Agriculture, Pollutant, Water resource management, Water pollution, Environmental protection

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