Establishment, development, and decline of Salix psammophila communities: Changes in soil conditions and floristic composition in dune slacks oleh Xu Ri, Jie Yang, Li-Qing Zhao, Hua Qing, Latanzhula A, Zhen-Yu Yao, Le Zhu, Ye-Hui Wu, Jian-Bin Tian, Xin-Ping Cao, Liu Yang, Gexigenimuhu Chang