中国矮曲林的分布特征及生态意义
姚永慧, 张百平, 赵超

Geographical distribution of cripple tree forest and its importance for forest line in China
Yonghui YAO, Baiping ZHANG, Chao ZHAO
图1 中国矮曲林空间分布图
Fig.1 Spatial distribution of cripple trees in China