亚热带6个典型树种吸收细根寿命与形态属性格局

王奕丹, 李亮, 刘琪璟, 马泽清

Lifespan and morphological traits of absorptive fine roots across six typical tree species in subtropical China

WANG Yi-Dan, LI Liang, LIU Qi-Jing, MA Ze-Qing

表2 亚热带6个典型树种吸收细根形态属性特征(平均值±标准误)

Table 2 Morphological traits of absorptive fine root across six common subtropical tree species (mean ± SE)

树种 Tree species 根级 Root order 直径 Diam (mm) 比根长 SRL (m·g-1) 根组织密度 RTD (g·cm-3) 比根表面积 SRA (cm2·g-1) 红豆杉 Taxus wallichiana 1 0.57 ± 0.03 Aa 19.06 ± 0.81 Aa 0.21 ± 0.02 Aa 340.61 ± 27.04 Aa 2 1.14 ± 0.06 Ab 3.43 ± 0.10 Ab 0.29 ± 0.03 Aab 123.26 ± 9.52 Ab 复羽叶栾树 Koelreuteria bipinnata 1 0.33 ± 0.00 Aa 26.62 ± 5.94 Aa 0.47 ± 0.11 Ba 275.29 ± 61.28 Aa 2 0.61 ± 0.03 Ab 7.18 ± 0.11 Ab 0.49 ± 0.05 Bab 137.74 ± 9.50 Ab 竹柏 Nageia nagi 1 0.45 ± 0.00 Aa 23.15 ± 0.27 Aa 0.27 ± 0.00 ABa 328.68 ± 3.77 Aa 2 0.66 ± 0.02 Ab 7.27 ± 0.49 Ab 0.41 ± 0.04 ABab 151.14 ± 11.97 Ab 樟 Cinnamomum camphora 1 0.40 ± 0.01 Aa 25.61 ± 0.25 Aa 0.31 ± 0.01 ABa 323.48 ± 7.77 Aa 2 0.63 ± 0.05 Ab 8.92 ± 1.08 Ab 0.40 ± 0.09 ABab 178.26 ± 35.13 Ab 东京樱花 Cerasus yedoensis 1 0.28 ± 0.01 Aa 35.41 ± 1.39 Aa 0.45 ± 0.04 Ba 317.36 ± 19.73 Aa 2 0.71 ± 0.05 Ab 4.92 ± 0.10 Ab 0.52 ± 0.07 Bab 110.46 ± 9.41 Ab 深山含笑 Michelia maudiae 1 0.45 ± 0.00 Aa 28.26 ± 0.64 Aa 0.23 ± 0.00 Aa 397.19 ± 8.56 Aa 2 0.70 ± 0.05 Ab 9.26 ± 0.16 Ab 0.27 ± 0.05 Aab 205.60 ± 18.67 Ab