《科学》[Science]13年7月5日出版pdf全文

nero1981

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Aerial view of farmland, Epping Forest, and the city of London. Landscapes such " i( X, P3 e9 U+ j4 ^2 [
as this one produce important ecosystem services, but minor increases in
2 J, ^6 T" o, @  Emarketed goods often cause major losses in the value of those services. This & G. _' o  L0 n' x
situation can be reversed by combining science and economics in a comprehensive
# g$ y8 W/ ]/ u. V& Yapproach to target improvements in the natural environment. See page 45. Photo: Andrew Holt/Alamy 8 u: d/ a/ P) F6 _  M
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