RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2004, Vol. 13 >> Issue (1): 89-93.

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FACTORS CONTRIBUTING TO SOIL EROSION IN UPPER REACHESOF THE CHANGJIANG RIVER——TAKING CHENKOU COUNTY AS AN EXAMPLE

ZHOU Ting-gang（1）,ZHANG Qi-liang（2）   

  • Received:1900-01-01 Revised:1900-01-01 Online:2004-01-20
  • Contact: ZHOU Ting-gang

Abstract: Water and soil conservation task is an important job related to TGP project and to water from south to north, and it is one of important contents of west environment construction. In this paper, taking Chengkou county as an example, factors contributing to soil erosion were studied. This county, located in the north of Chongqing unicipality, is not only a major county in the Changjiang River 's water and soil conservation but also a major county of water and soil conservation in the upper reaches of Dan Jiang Kou Reservoir, which was the key project of the water from—south—to—north transportation. The soil erosion was very serious in the county, with its area being 1 728.67 km\+2 accounting for about 52.61% of th e whole county's area. The main factors, forming the soil erosion, were man—made factors as well as the natural. At the same time, there were abundant nature resources, that formed preferable basic condition for harness mode of soil erosion in the county. The authors put forward soil erosion harness modes and ways , based on the contributing factors of soil erosion, The aim of this paper was to advance environment construction and enhance water and soil conservation in Chengkou county, and to probe into a appropriate mode and way for water and soil conservation in poor mountain area county located in upper reaches of the Changjiang River.

Key words: soil erosion, harness mode, environment, upper reaches of the Changjiang River, Chengkou county

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