青海森林生态系统中灌木层和土壤生态化学计量特征

杨文高,字洪标,陈科宇,阿的鲁骥,胡雷,王鑫,王根绪,王长庭

Ecological stoichiometric characteristics of shrubs and soils in different forest types in Qinghai, China

YANG Wen-Gao,ZI Hong-Biao,CHEN Ke-Yu,ADE Lu-Ji,HU Lei,WANG Xin,WANG Gen-Xu,WANG Chang-Ting

表3 青海不同林分灌木环境因子解释量与显著性检验

Table 3 Explained variance of environmental factors and significant test of shrubs in different forest types in Qinghai

器官 Organ 环境因子 Environmental factors 环境因子解释量(%) Environmental factors explained variance p F 叶片 Leaf SCN 44.2 0.002 132.5 Altitude 8.0 0.002 32.68 MAP 7.2 0.002 24.68 MAT 2.5 0.002 10.94 SNP 1.5 0.006 6.62 SN 1.0 0.016 4.45 SC 0.9 0.014 3.96 SCP 0.7 0.052 3.22 SP 0.5 0.128 2.29 Slope 0.3 0.302 1.273 Canopy 0.0 0.876 0.16 枝干 Branch SCN 38.1 0.002 99.01 Altitude 6.1 0.002 17.47 MAP 3.9 0.002 12.09 MAT 2.1 0.002 6.68 SC 1.5 0.006 4.85 SNP 1.2 0.018 4.03 Canopy 0.7 0.104 2.25 Slope 0.6 0.124 2.04 SCP 0.4 0.288 1.19 SP 0.3 0.434 0.84 SN 0.1 0.638 0.37 根 Root SCN 19.2 0.002 39.26 MAT 5.2 0.002 12.31 Altitude 4.2 0.002 8.98 MAP 3.2 0.002 7.21 SCP 3.1 0.002 7.16 Canopy 1.3 0.046 3.14 Slope 1.2 0.034 3.14 SP 0.6 0.252 1.41 SN 0.3 0.446 0.88 SC 0.3 0.400 0.85 SNP 0.2 0.538 0.63