RT Journal T1 A1 PB Sciences in Cold and Arid Regions FD 2019-12-31 YR 2019 JF Sciences in Cold and Arid Regions JO Sciences in Cold and Arid Regions VO 11 IS 6 SP 407 DO 10.3724/SP.J.1226.2019.00407. K1 LK {http://www.scar.ac.cn/CN/article/article_294.shtml}