Response of functional traits of Deyeuxia angustifolia to nitrogen addition in Sanjiang Plain Wetland

• LI Xu, 
• CAO Hongjie, 
• CHAI Chunrong, 
• FU Xiaoling, 
• WANG Jifeng, 
• DONG Haipeng, 
• SUN Jie, 
• LIU Yingnan, 
• MU Liqiang