7DAILY G C. Nature's Service Societal Dependence on Natural Ecosystems [ M]. Washington: Island Press, 1997.
8COSTANZA R, DARGE R, DEGROOT R, et al. The value of the world's ecosystem services and natu- ral capitalI-J. Nature, 1997,387 (6630) : 253-260.
9WANG Guihua, FANG Qinhua, ZHANG Luoping, et al. Valuing the effects of hydropower development on watershed ecosystem services: Case studies in the Jiu- long River Watershed, Fujian Province, China[J]. Es- tuarine Coastal and Shelf Science,2010,86(3) :363-368.
10DICK J, MAES J, SMITH R I, et al. Cross-scale a- nalysis of ecosystem services identified and assessed at local and European level [J]. Eeologiea| Indicators,2014,38:20-30.
