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- W2385820074 abstract "In order to illuminate nutrient occurrence characteristics in surface sediments of Changshou Lake,sediments samples at 15 sampling sites were collected in April of 2009.Forms and pollution degree of nitrogen in the surface sediments of Changshou Lake were analyzed by chemical extraction in this paper.Results were as followed.(1) Content of total nitrogen(TN) ranged from 1 240.00 mg/kg to 5 110.00 mg/kg.The main form of total nitrogen(TN) was organic nitrogen(ON).Ammonium nitrogen(NH+4—N) was the dominant part of inorganic nitrogen(IN).(2) Coefficient of variation of every nitrogen forms ranged between 0.1 and 1.0,which belonged to moderate intensity of variation.(3) Current of water played an important role in the distribution and migration of nitrogen,the impact of aquaculture was not obvious.But the water degree had some influences on distribution of nitrogen.(4) The correlation analysis among different nitrogen forms suggested that the concentrations and distribution of total nitrogen(TN) were mainly controlled by organic nitrogen(ON),and inorganic nitrogen(IN) was affected by ammonium nitrogen(NH+4—N) almost.(5) The surface sediments showed moderate degree pollution,so local government should strengthen the monitoring and management of Changshou Lake urgently." @default.
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- W2385820074 date "2012-01-01" @default.
- W2385820074 modified "2023-09-27" @default.
- W2385820074 title "Forms and Pollution Assessment of Nitrogen in Surface Sediments of Changshou Lake" @default.
- W2385820074 hasPublicationYear "2012" @default.
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