The change of species-abundance distribution patterns of Carex cinerascens community along a hydrological gradient in the Poyanghu wetland

• Yang Liu, 
• Jian-min Shi, 
• Zi-xing Bian, 
• Shao-yong Deng, 
• Li-hong
  Qiu, 
• Wei-wei Zhang, 
• Shen-yi Miu