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土壤圈(英文版). 2005, (05)

Environmental Factors Affecting Temporal and Spatial Dynamics of Soil Erosion in Xingguo County, South ChinaEnglish Full Text

WANG Ku 1,3, SHI Xue-Zheng 1,*2, YU Dong-Sheng1, SHI De-Ming1, CHEN Jing-Ming2, XU Bin-Bin1,LIANG Yin1 and LI De-Cheng1 1 State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences,Nanjing 210008 (China). 2 Department of Geography, University of Toronto, Toronto M5S 3G (Canada)3 Department of Geographic Science, Minjiang University, Fuzhou 350011 (China)

Abstract: By using soil erosion maps of four different time periods and a digital elevation model （DEM）, in combination withthe remote sensing and GIS technologies, soil erosion dynamics in Xingguo County of Jiangxi Province in South Chinawere analyzed on both temporal and spatial scales in soils of different parent materials, altitudes and slopes. The resultsshowed that from 1958 to 2000 severe soil erosion was coming under control with a decreasing percentage of the land undersevere erosion. It was also found that the soils developed from Quaternary red clay, granite and purple shale were moresusceptible to soil erosion and that areas sitting between 200 to 500 m in altitude with a slope less than 3° or between7° to 20° where human activities were frequent remained to be zones where soil erosion was most likely to occur. Theseareas deserve special attention in monitoring and controlling.
Keywords：

GIS; remote sensing; soil erosion; South China; Xingguo County;

  • Series：

    (D) Agriculture

  • Subject：

    Fundamental Science of Agriculture; Agronomy

  • Classification Code：

    S157;

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