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《Journal of Soil Water Conservation》 2003-04
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Study on Function and Value of Vegetation Water Conservation on Qinba Mountain

LI Jing, REN Zhi-yuan (College of Tourism and Environmental Sciences, Shaanxi Normal University,Xi'an, Shaanxi 710062 )  
According to the vegetation map of Shaanxi,this article,first of all,used MapInfo 4.0 to set up a data base for vegetation types on Qinba Mountain, secondly, analyzed the substance quantity of vegetation water conservation from the forest cap floor, the litter-fall floor and the soil floor, finally, used the reflection engineering method and the cost estimated method to appraise the value of the eco-function. The result was that the with holding quantity of the forest cap floor, the litter-fall floor and the soil floor was 109 891.62 ten thousand tons,(31 960.44) ten thousand tons and 196 309.35 ten thousand tons, the whole with holding quantity of the three floors was 338 161.42 ten thousand tons, and all the value of water conservation was 226.56×10~8 yuan. This study was useful for the reasonable use for water resources and the building of the ecological environment.
【Fund】: 国家自然科学基金资助项目(编号:40371003);; 教育部重大课题(2000ZDM70013);; 重点项目(01158)
【CateGory Index】: X820
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