《科学》[Science]13年7月5日出版pdf全文

nero1981

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COVER
( h5 m. ^/ ]* `+ c& ZAerial view of farmland, Epping Forest, and the city of London. Landscapes such # B) ~+ Y. J6 p3 n
as this one produce important ecosystem services, but minor increases in 4 l$ {1 n9 k/ j- A& \. ]
marketed goods often cause major losses in the value of those services. This ; A6 e; E) Z( m6 _; O! G/ S; }
situation can be reversed by combining science and economics in a comprehensive
2 q0 k5 y6 B& z+ |# x5 ]8 N( x! Iapproach to target improvements in the natural environment. See page 45. Photo: Andrew Holt/Alamy
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