《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 5 x6 \9 }* E" D: i0 `: H
as this one produce important ecosystem services, but minor increases in
' s: s: A! M2 a4 w; @3 h6 _marketed goods often cause major losses in the value of those services. This / J1 D& X; i: [, N3 z
situation can be reversed by combining science and economics in a comprehensive
, o  t4 V* Z/ h- z3 {# {5 @' L' Mapproach 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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