Distribution of Triarrhena lutarioriparia and its reserve characteristics of nitrogen and phosphorus in Dongting LakeYouze Xu, Guangyi Fu, Nan Tang, Zhonghao He, Lincheng Jian and Yuanyuan ZhaoE3S Web Conf., 237 (2021) 01004DOI: https://doi.org/10.1051/e3sconf/202123701004