Based on the pollutant equivalent method, the trends of pollution source and pollutant load in 1996 ~ 2007 are studied and the trend of water environment quality in Three Gorges Reservoir is analyzed.

基于污染物当量计算方法，探讨了1996年- 2007年三峡水库建设期间污染物来源、各污染源及污染物当量逐年变化趋势，初步分析了库区水体水环境质量总体变化趋势。

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