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作者单位: | Institute of Ecology and Earth Sciences, Department of Botany, University of Tartu, Lai 40, Tartu, 51005, Estonia;Pyrenean Institute of Ecology (CSIC), Avda. Nuestra Señora de la Victoria s/n, 22700, Jaca, Spain;Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada;Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada;Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada;Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland;Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland;Soil Conservation Service of Iceland, Gunnarsholt, 851, Hella, Iceland;Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada
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