1 | School of Environment, Institute of Natural Disaster Research, Northeast Normal University, Changchun, China |
2 | Key Laboratory for Vegetation Ecology, Ministry of Education, Changchun, China |
3 | State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration,
Northeast Normal University, Changchun, China |
4 | School of Life Science, Institute of Grass Science, Northeast Normal University, Changchun, China |