期刊
ECOLOGICAL RESEARCH
卷 26, 期 1, 页码 1-14出版社
WILEY
DOI: 10.1007/s11284-010-0766-3
关键词
Double counting; Ecosystem services; Valuation; Ecosystem function; Classification
类别
资金
- National Basic Research Program of China [2009CB421104]
- Ecosystems Services for Poverty Alleviation Program [NE/G008582/1]
- CAS/SAFEA
Many studies have been conducted on ecosystem services and double counting is a frequent problem that causes uncertainty and poor reliability of estimating the value of ecosystem services. By referring to previous studies of ecosystem service valuation, our research has identified the basic causes of double counting. These include ambiguous definitions and inconsistent classifications of ecosystem services, poor understanding of ecosystem complexity, inadequate recognition of exclusiveness and complementarities of individual ecosystem services, spatio-temporal scale dependence of ecosystem services, and overlap and lack of cross-referencing between ecosystem service valuation methods. Measures for reducing double counting in ecosystem service valuation are proposed as follow: (1) identifying the spatio-temporal scales of ecosystem services; (2) valuing the final benefits obtained from ecosystem services; (3) establishing consistent classification systems for ecosystem services; and (4) selecting valuation methods appropriate for the study context.
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