干旱区研究
Age Composition and Quantitative Dynamic Status of Malus sieversii Population
SU Zhi-hao, LI Wen-jun, CAO Qiu-mei, ZHOU Xiao-bing, ZHANG Yuan-ming
Arid Zone Research . 2019, (5): 1153 -1160 .  DOI: 10.13866/j.azr.2019.05.12