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当前检索式 ((ALL：Ocean Ecosystems))
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共65条，第1-20条
Scripps Institution 97 Plymouth Marine Labo 69 National Oceanograph 63
Government of Canada 56 EurekAlert 54 World Resources Inst 53
United Nations Envir 50 World Wide Fund for 50 Woods Hole Oceanogra 45
UN Sustainable Devel 40 Global Environment F 28 International Union 26
Convention on Biolog 23 British Antarctic Su 22 Environmental Monito 21
Natural Environment 21 Department for Envir 19 US National Scientif 19
Science 18 Eco-Business Researc 17