北京山区油松和元宝槭冠层气孔导度特征及其环境响应
陈胜楠, 陈左司南, 张志强

Canopy stomatal conductance characteristics of Pinus tabulaeformis and Acer truncatum and their responses to environmental factors in the mountain area of Beijing
CHEN Sheng-Nan, CHEN Zuo-Si-Nan, ZHANG Zhi-Qiang
表1 北京八达岭油松和元宝槭林分基本特征(平均值±标准差)
Table 1 Characteristics of forest stand for Pinus tabuliformis and Acer truncatum forest in Badaling, Beijing (mean ± SD)
林分
Forest stand
胸径
Diameter at
breast height (cm)
树高
Tree
height (m)
林分密度
Forest stand
density (Ind.·hm-2)
林龄
Forest
age (a)
油松
Pinus tabuliformis
20.3 ± 6.1 8.7 ± 1.8 1 625 50
元宝槭
Acer truncatum
15.2 ± 4.2 7.8 ± 1.4 1 125 39