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《Resources and Environment in the Yangtze Basin》 2010-10
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EVALUATION ON ECOLOGICAL SERVICE VALUE OF SOIL AND WATER CONSERVATION MEASURES IN DANJIANGKOU RESERVOIR AREA

YAN Feng-ling,LEI Shao-ping,LUO Xiao-yong,QIU Liang,FAN Hao(Changjiang Water Resources Protection Institute,Wuhan 430051,China)  
Ecological service value of soil and water conservation measures planed to execute in Danjiangkou reservoir area was quantitatively estimated by applying basic principles and methodology of environmental economics.Results show that the total ecological service value brought by short-term soil loss control project was evaluated about 3.274 billion Yuan per year.The total value was composed by different types of ecological service value,including water resource conservation value 0.448 billion Yuan,prevention and cure of water pollution value 0.791 billion Yuan,soils losses prevention value 1.027 billion Yuan,carbon sequestration oxygen release value 0.314 billion Yuan,air purification value 0.352 billion Yuan,biodiversity conservation value 0.341 billion Yuan.Hence,the value of soils losses prevention,water pollution prevention and cure was the most important ecological service value from soil and water conservation measures in study area.Moreover,the annual cost of the water conservation measures was about 0.239 billion Yuan on the basis of opportunity analysis,indicating that the anticipated eco-economic benefit of the project was obvious,and the ecosystem service value was 13.69 times as much as the cost.The result in this paper could provide some reference for quantitative ecological value analysis of long-term ecological construction project.Also,it could be used as theoretical foundation to carry on ecological compensation system in water source region.
【Fund】: 国家科技支撑计划项目“南水北调中线丹江口水库库区生态环境综合整治技术与示范”(2006BAC10B02)
【CateGory Index】: S157
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