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| Assessment methods of ecosystem services value of small watershed |
| Cai Shouhua 1,Zhan Wanlin 2,Hu Jinjie 1,Jin Dianguo 2 |
| 1.College of Water Science and Engineering,Yangzhou University,225009,Yangzhou;2.The Experimental Station of Water and Soil Conservation of Xuyu County,Jiangsu Province,211700,Xuyu: Jiangsu,China |
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Abstract Ecosystem services value of small watershed include product value,regulating services,cultural services,and supporting services.Product services include agriculture products(food,cotton,livestock,fishery),raw materials,and fresh water;regulating services include water egulation,CO2 fixation,O2 production,air quality maintenance,water purification,and flood prevention;cultural services include recreation,ecotourism,cultural,and science;supporting services include soil conservation,nutrient cycling,and provisioning of habitat.In this paper,the value assessment methods of all kinds of ecosystem services mentioned above were put forward,which have some significance for the assessment of ecosystem services value of small watershed.
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Received: 20 July 2007
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