[1] School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai,200240, China
[2] Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, 800 Dongchuan Rd, Shanghai,200240, China
[3] Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, 800 Dongchuan Rd, Shanghai,200240, China
[4] Horticulture Technologies, Unit of Production Systems, Natural Resources Institute Finland, Turku, Finland
[5] Division of Biology, Kansas State University, Manhattan,KS, United States