Three gorges project: Effects of resettlement on nutrient balance of the agroecosystems in the reservoir area

Xibao Xu, Yan Tan, Guishan Yang, Hengpeng Li

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    11 Citations (Scopus)

    Abstract

    This paper reports on the effects of human resettlement on the nutrient balance of the agroecosystems in Three Gorges Reservoir Area (TGRA) of China. The analysis used is the OECD (Organisation for Economic Co-operation and Development) 'Soil Surface Nitrogen Balance Model' and agricultural statistical data for the county level in 1985-2005. Spatial and temporal changes of nutrient balance and the impacts of resettlement on such changes were examined. The results demonstrate that rural resettlement has significantly increased soil surface nitrogen and phosphorous surplus since 2000. The structural transformation of agricultural activities from grain production to horticulture or forestry should be encouraged, and more people may need to be moved out of the TGRA to reduce nutrient water pollution.

    Original languageEnglish
    Pages (from-to)517-537
    Number of pages21
    JournalJournal of Environmental Planning and Management
    Volume54
    Issue number4
    DOIs
    Publication statusPublished - 2011

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