《科学》[Science]13年7月5日出版pdf全文

nero1981

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COVER 5 L" B4 S: ^2 S9 q* U8 j
Aerial view of farmland, Epping Forest, and the city of London. Landscapes such & C' L7 v) _1 ~! M
as this one produce important ecosystem services, but minor increases in 7 P; y5 ?# F# R" j
marketed goods often cause major losses in the value of those services. This
& t* R3 m- z* M. }situation can be reversed by combining science and economics in a comprehensive
% y' p% \0 e( [4 O" Uapproach to target improvements in the natural environment. See page 45. Photo: Andrew Holt/Alamy 8 p; W! x$ `& p1 ]' g4 n

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