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3 3种因素对亚热带不同树种吸收细根寿命的Cox比例风险回归分析

Table 3 Cox analysis for absorptive fine roots lifespan and its drivers across different subtropical tree species

影响因素 Effect factor 红豆杉 Taxus wallichiana 复羽叶栾树 Koelreuteria bipinnata 竹柏 Nageia nagi 樟 Cinnamomum camphora 东京樱花 Cerasus yedoensis 深山含笑 Michelia maudiae p Exp(B) p Exp(B) p Exp(B) p Exp(B) p Exp(B) p Exp(B) 出生 季节 Birth season 春季 Spring 0.157 0.378 0.001 0.639 0.792 1.055 0.013 0.046 0.152 0.478 0.642 0.823 夏季 Summer 0.000 0.000 0.425 0.426 0.826 0.931 0.916 0.102 0.449 0.037 0.410 秋季 Autumn 0.825 0.644 0.620 0.930 0.021 1.640 0.397 0.414 0.379 0.598 0.384 0.671 冬季 Winter 0.000 0.002 0.000 0.355 0.000 根级 Root order 0.413 0.624 0.073 1.252 0.000 0.291 0.000 9.059 0.135 1.828 0.000 3.355 出生年份 Birth year 0.017 0.029 0.083 0.860 0.001 1.917 0.614 1.188 0.755 0.921 0.922 0.986