[1]College of Life Sciences Zhejiang University Hangzhou 310020 China;
[2]Jiangsu Key Laboratory for Biodiversity and Biotechnology College of Life Sciences Nanjing Normal University Nanjing 210046 China;
[3]Department of Environmental Science and Policy University of California Davis CA 95616 USA;
[4]School of Ecological and Environmental Sciences East China Normal University Shanghai 200241 China;
Body size; Colonization; Competition; Extirpation; Island turnover; Metacommunity;