2011•Environment and Ecology in the Three GorgesRequires access
Estimation and Analysis of Pollution Source in Pengxi River in the Three Gorges Reservoir Region
Jiansheng Huang
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Abstract
With the basic data of villages and towns in 2008,the real erosion and equivalent pollution loads of 7 pollution sources in Pengxi River in the Three Gorges Reservoir Region were imputed by using the method of checklists.The 53 administrative districts in Pengxi River region were divided into 5 areas according to the results of cluster analysis and equivalent pollution loads.The main nutrients were total nitrogen,total phosphorus,ammonia nitrogen,and the main pollution sources were farmland runoff,rural life pollution,urban life pollution and livestock breeding pollution,with the contribution rate of 30.08%,19.53%,17.15%,16.29%.