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共57条，第1-20条
World Wide Fund for 200 Convention on Biolog 133 Department of Conser 123
EurekAlert 93 International Union 53 Government of Canada 33
United Nations Envir 29 Global Environment F 28 Science 28
Department of the En 27 Department for Envir 20 UK Environment Agenc 16
Environmental Health 15 US Geological Survey 14 Woods Hole Oceanogra 14
World Resources Inst 14 Environmental Monito 13 NewScientist 13
Environmental Protec 11 Scripps Institution 11