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GSTDTAP

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共48条，第1-20条
EurekAlert 173 World Wide Fund for 150 Department of Conser 132
Science 52 United Nations Envir 47 Department for Envir 45
International Union 38 Convention on Biolog 33 Government of Canada 24
UK Environment Agenc 23 Scripps Institution 21 UN Sustainable Devel 20
Global Environment F 18 NewScientist 18 Environmental Monito 17
Imperial College Lon 14 Institute for Europe 14 Cary Institute of Ec 13
World Resources Inst 10 gov.uk - environment 10