干旱区研究
Age Composition and Dynamic Characteristics of the Main Populations of Endangered Malus sieversii
MA Chuang, YANG Mei-ling, ZHANG Yun-xiu, YAN Guo-rong, XU Zheng
Arid Zone Research . 2018, (1): 156 -164 .  DOI: 10.13866/j.azr.2018.01.20