3Daily G,et al.Nature' Services:Societal Dependence on Natural Ecosystems.Washington DC.:Island Press,1997.
4Costanza R,Agre R,Groot R,et al.The value of the world ecosystem and natural capital[J].Nature,1997,387:253～260.
5Millennium Ecosystem Assessment.Ecosystems and human well-being:A framework for assessment[R].Washington D C:Island Press,2003.
6Rapport D J,Thorpe C,Regier H A.Ecosystem medicine[J].Bulletin of the Eco logical Society of American,1979,60:180～182.
7Costanza R,Norton B G.Haskell B D.Ecosystem Health:New Goals for Environmental Management[M].Washington D C:Island Press,1992.
8Costanza R.Toward an operational definition of ecosystem health//Costanza R,Norton B G,Haskell B D,Eds.Ecosystem Health:New Goals for Environmental Management[M].Washington D C:Island Press,1992:42～60.
9Suter G W.Critique of ecosystem health concepts and indexes[J].Environmental Toxicology and Chemistr,1993,12(9):1533～1539.
10Wicklum D,Davies R W.Ecosystem health and integrity?[J].Canadian Journal of Botany,1995,73(7):997～1000.
