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Current status and comprehensive control strategies of soil erosion for rocky mountain areas in the Northern China |
Li Xiubin 1,Ma Zhizun 2,Yao Xiaoyou 3,Jing Ke 1,Zhu Huiyi 1 |
1.Institute of Geographic Sciences and Natural Resources Research,CAS,100101,Beijing;2.Commission of Haihe River Basin,300170,Tianjin;3.Commission of Huaihe River Basin,233000,Bangbu,Anhui: China |
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Abstract There is 13.49×10 4 km2 land with soil erosion in varied degrees in rocky mountain areas of Northern China.Water erosion occupies 95% of the area and is usually under moderate level.Soil erosion is still one of the major regional environmental issues,for its restriction of regional economic development and severe affection on the water resource and ecological security of downstream areas.Soil and water conservation in this region should focus on the transformation of slopping cultivated land,soil protection on "slopping forest land",adoption of water-saving erosion control measures and promotion of ecologically "clean" watershed.The total region can be divided 8 sub-regions based on the variance of natural condition.Each sub-region should take different conservation measures discussed in the article.
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Received: 28 November 2007
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