Species diversity of urban forests in China |
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| Affiliation: | 1. College of Forestry, Beijing Forestry University, Beijing, 100083, China;2. Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing, 100084, China;3. Joint Center for Global Change Studies (JCGCS), Beijing 100875, China;1. Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresources, School of Life and Pharmaceutical Sciences, Hainan University, Haikou 570228, China;2. Department of Biology, Algoma University, Sault Ste. Marie, Ontario, P6A 2G4 Canada;3. School of Forest Resources & Conservation, Fort Lauderdale Research and Education Center, University of Florida, Davie, FL 33314;4. Beijing University of Civil Engineering and Architecture, No. 1, Zhanlanguan Road, Xicheng District, Beijing, 100044, China;5. The Key Laboratory for Urban Geomatics of National Administration of Surveying, Mapping and Geoinformation, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China;1. School for Resource and Environmental Studies, Dalhousie University, Kenneth C. Rowe Management Building, 6100 University Ave, Suite 5010, P.O. Box 15000, Halifax, NS B3H 4R2, Canada;2. Nova Scotia Department of Natural Resources, P.O. Box 698, Halifax, NS B3J 2T9, Canada;1. Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing 100084, China;2. Joint Center for Global Change Studies (JCGCS), Beijing 100875, China;3. College of Forestry, Beijing Forestry University, Beijing 100083, China;4. Institute of Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China;5. Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources of Ministry of Education, Hainan University, Haikou, Hainan 570228, China;1. Swedish University of Agricultural Sciences, Faculty of Landscape Planning, Horticulture and Agricultural Science, Department of Landscape Architecture, Planning and Management, P.O. Box 66, SE-23053 Alnarp, Sweden;2. Gothenburg Botanical Garden, Carl Skottsbergs Gata 22A, SE-413 19 Gothenburg, Sweden;3. New Zealand School of Forestry, University of Canterbury, Christchurch, New Zealand;4. Bioforsk, Vest Særheim, Postvegen 213, 4353 Klepp st., Norway;5. Technische Universität Berlin, Department of Ecology, Rothenburgstr. 12, D 12165 Berlin, Germany;1. School of Forestry, University of Canterbury, Christchurch, New Zealand;2. Department of Landscape Architecture, Planning and Management, Faculty of Landscape Planning, Horticulture and Agricultural Science, Swedish University of Agricultural Sciences, Uppsala, Sweden;3. Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark;4. College of Natural Resources, University of Wisconsin, Madison, WI, United States;5. Department of Geography, The University of Hong Kong, Pok Fu Lam, Hong Kong;1. Postdoctoral Station of Ecology Chongqing University, Chongqing 400045, China;2. Faculty of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400045, China;3. Key Laboratory of Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;4. National Centre for International Research of Low-carbon and Green Buildings, Chongqing University, Chongqing 400045, China;5. Joint International Research Laboratory of Green Building and Built Environment, Ministry of Education, Chongqing University, Chongqing 400045, China |
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| Abstract: | A good knowledge of species diversity is essential for urban forest planning and management. In this study, we analyzed species diversity of urban forests in China using data synthesized through a systematic review. Our analysis showed that 3740 taxa of woody plants at species level and below have been reported in urban forests in 257 cities. Merging to the species level, there were 2640 species, including 1671 trees, 743 shrubs, and 226 lianas. Salix babylonica L. was the most widely distributed urban tree species in China. Overall, native species accounted for 76.02% of the observed species while the rest were exotic species. Inside cities, parks contained more species than other types of land use. Among cities, composition similarity of urban forests decreased as spatial distances among them increased. Besides, there was a latitudinal pattern in compositional similarity of urban forests in China. The relatively low ratio of the number of woody plant species in urban forests to these naturally distributed in China indicates that there is plenty of room for increasing species diversity of urban forests in China. However, cautions must be taken to avoid increasing compositional similarity of urban forests in China at the same time. |
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| Keywords: | Dissimilarity Land use Species composition Spatial distance Woody plants |
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