《科学》[Science]13年7月5日出版pdf全文

nero1981

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COVER
+ O7 j3 K$ E" F/ W$ x- M* Y; `8 DAerial view of farmland, Epping Forest, and the city of London. Landscapes such
8 H: |' c! s1 ~as this one produce important ecosystem services, but minor increases in
$ E% t1 @4 y' Z2 c4 ]/ imarketed goods often cause major losses in the value of those services. This , m  @' d/ S4 m0 G& d7 l, c
situation can be reversed by combining science and economics in a comprehensive
/ x7 K- K2 F: D0 t: G1 y0 o) w: iapproach to target improvements in the natural environment. See page 45. Photo: Andrew Holt/Alamy
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懵懂干细胞

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