Yanfu Que1, Dongmei Xu, Ke Shao, Nian Xu, Weitao Li, Bin Zhu. 1. Key Laboratory of Ecological Impacts of Hydraulic-Projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources, Institute of Hydroecology, Ministry of Water Resources and Chinese Academy of Sciences, 578 Xiongchu Avenue, Wuhan 430079, People's Republic of China. zhubin@mail.ihe.ac.cn.