中亚热带植被恢复阶段植物叶片、凋落物、土壤碳氮磷化学计量特征

陈婵,张仕吉,李雷达,刘兆丹,陈金磊,辜翔,王留芳,方晰

Carbon, nitrogen and phosphorus stoichiometry in leaf, litter and soil at different vegetation restoration stages in the mid-subtropical region of China

CHEN Chan,ZHANG Shi-Ji,LI Lei-Da,LIU Zhao-Dan,CHEN Jin-Lei,GU Xiang,WANG Liu-Fang,FANG Xi

表1 不同恢复阶段植物叶片的N、P异速生长关系

Table 1 Allometric relationship of leaf N and P contents at each restoration stage

logy vs. logx 恢复阶段 Restoration stages n 斜率b [95%置信区间] Slope b [95% CI] 截距a [95%置信区间] Elevation a [95% CI] 决定系数 Determination coefficient (R2) p logP vs. logN LVR 12 3.81 [2.83, 5.14] -4.28 [-5.45, -3.11] 0.89 <0.01 LCQ 12 0.54 [0.25, 1.17] -0.83 [-1.35, -0.31] 0.11 0.39 PLL 12 0.75 [0.52, 1.08] -1.03 [-1.37, -0.70] 0.83 <0.01 LCC 12 -0.96 [-2.07, -0.45] 1.00 [0.00, 2.00] 0.12 0.37