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2018 [2]
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First comprehensive list of non-native species established in three major regions of the United States [研究报告]
10.3133/ofr20181156U.S. Geological Survey. 2018-01-01
Simpson, Annie;  Eyler, Meghan C.
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Promoting synergy in the innovative use of environmental data—Workshop summary [研究报告]
10.3133/ofr20181104U.S. Geological Survey. 2018-01-01
Hamilton, Healy;  Guala, Gerald F.;  Simpson, Annie
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