祁连山青海云杉( Picea crassifolia )径向变化对环境因子的响应
赵书玄, 田全彦, 蔺鹏飞, 杜军, 陈龙飞, 朱喜, 肖生春, 何志斌

Stem radial changes of Picea crassifolia in response to environmental factors in the Qilian Mountains
Shuxuan Zhao, Quanyan Tian, Pengfei Lin, Jun Du, Longfei Chen, Xi Zhu, Shengchun Xiao, Zhibin He
图3 海拔2 700 m及3 200 m样地环境因子变化特征
Fig.3 Characteristics of environmental factors in 2 700 m and 3 200 m sample plots