亚热带森林中环境和物种多样性对灌木存活的影响

薛玉洁, 程安鹏, 李珊, 刘晓娟, 李景文

The effects of environment and species diversity on shrub survival in subtropical forests

Yujie Xue, Anpeng Cheng, Shan Li, Xiaojuan Liu, Jingwen Li

图5 全模型中各类因子对灌木存活的相对影响。biotic: 生物因素; abiotic: 环境因素; trait: 功能性状; trait.PC1、trait.PC2、trait.PC3、trait.PC4、Soil pH、Soil C、Soil N、Soil C/N、topo.PC1、topo.PC2、topo.PC3、topo.PC4、logTR、logSR、 logTR:logSR、Canopy cover含义见图3。? P < 0.1; * P < 0.05; ** P < 0.01; *** P < 0.001。空心圆代表效应不显著(P > 0.1)。

Fig. 5 Parameter estimates (standardized regression coefficients) and relative importance of fixed factors. trait, Functional traits; abiotic, Abiotic factors; biotic, Biotic factors; trait.PC1, trait.PC2, trait.PC3, trait.PC4, Soil pH, Soil C, Soil N, Soil C/N, topo.PC1, topo.PC2, topo.PC3, topo.PC4, logTR, logSR, logTR:logSR and Canopy cover see Fig. 3. ? P < 0.1; * P < 0.05; ** P < 0.01; *** P < 0.001. Unfilled circles indicate insignificant effects (P > 0.1).