Institute of Environmental Sciences, Beijing Normal University;
State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing 100875, China;
Institute of Environmental Sciences, Beijing Normal University;
State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing 100875, China;
Institute of Water Sciences,Beijing Normal University;
Key Laboratory for Water and Sediment;
eco-environmental water requirement; wetlands; Huang-Huai-Hai Area;