1. Ph.D. Student, State Key Laboratory of Water Environmental Simulation, School of Environment, Beijing Normal Univ., No. 19 Xinjiekouwai St., Beijing 100875, China.
2. Professor. State Key Laboratory of Water Environmental Simulation, School of Environment, Beijing Normal Univ., No. 19 Xinjiekouwai St., Beijing 100875, China (corresponding author).
3. State Key Laboratory of Water Environmental Simulation, School of Environment, Beijing Normal Univ., No. 19 Xinjiekouwai St., Beijing 100875, China.
4. Senior Research Assistant, Research and Collections Division, Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, ON, Canada K1P 6P4.