Affiliation: | 1. Beijing Urban Ecosystem Research Station, State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China 2. Department of Biological Sciences, Thompson Rivers University, P. O. Box?3010, 900 McGill Road, Kamloops, BC V2C 5N3, Canada 3. Horticultural Department, Beijing Vocational College of Agriculture, Beijing, 102442, China
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