RT Journal T1 Distribution patterns of planted-shrubs of different restoration ages in artificial sand-fixing regions in the southeastern Tengger Desert A1 MeiLing Liu,Ning Chen,RuiQing Zhu PB Sciences in Cold and Arid Regions FD 2020-04-30 YR 2020 JF Sciences in Cold and Arid Regions JO Sciences in Cold and Arid Regions VO 12 IS 2 SP 119 DO 10.3724/SP.J.1226.2020.00119. K1 ;restoration;shrubs;density;spatial pattern LK {http://www.scar.ac.cn/EN/article/article_302.shtml}