RT Journal T1 A1 PB Sciences in Cold and Arid Regions FD 2021-04-30 YR 2021 JF Sciences in Cold and Arid Regions JO Sciences in Cold and Arid Regions VO 13 IS 2 SP 77 DO 10.3724/SP.J.1226.2021.20046 K1 LK {http://www.scar.ac.cn/CN/article/article_354.shtml}