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《Research of Soil and Water Conservation》 2006-01
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The Function of Water Conservation of Different Forestlands in Caijiachuan Watershed of Ji County

ZHU Ji-peng,WANG Fang,GAO Jia-rong (College of Soil and Water Conservation,Beijing Forestry University,Key Laboratory of Soil and Water Conversation and Desertification Combating,Ministry of Education,Beijing 100083,China)  
Forestland(litter layer and soil layer)is the principal part of forest to conserve water,and has the important function in soil and water conservation.Based on litter and soil analysis of different forestlands in Caijiachuan watershed,the function of water resources conservation of various forestlands of the Loess Plateau in the west side of Shanxi Province is discussed.The results show,the size of the maximum capability of litter interception in different vegetation types:Ostryopsis davidiana(2.85 mm)Hippophae rhamnoides(2.38 mm)Robinia pseudoacacia(1.88 mm)Pinus tabulaeformis×Robinia pseudoacacia(1.31 mm)Pinus tabulaeformis(0.77 mm).The maximum water amount of interception in 0~60 cm soil layer in different forestlands is: Ostryopsis davidiana(248.2 mm)Pinus tabulaeformis×Robinia pseudoacacia(241.0 mm)Robinia pseudoacacia(210.2 mm) grassland(209.8 mm)Pinus tabulaeformis(198.1 mm).The research of water conservation of different forestlands in the west side of Shanxi Province provides scientific evidence for resonable management and use of soil and water conservation forests.
【Fund】: 国家973项目(2002CB111503)
【CateGory Index】: S714.7
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