南亚热带森林不同演替阶段植物与土壤中N、P的化学计量特征

刘兴诏, 周国逸, 张德强, 刘世忠, 褚国伟, 闫俊华

N and P stoichiometry of plant and soil in lower subtropical forest successional series in southern China

LIU Xing-Zhao, ZHOU Guo-Yi, ZHANG De-Qiang, LIU Shi-Zhong, CHU Guo-Wei, YAN Jun-Hua

图1 鼎湖山3种不同演替阶段森林土壤的氮磷含量。误差线代表标准误(SE); 同一土层具有不同字母的表示差异显著 (p < 0.05)。图中氮、磷值为2005年数据。MEBF, 季风常绿阔叶林; MF, 混交林; PF, 马尾松林。

Fig. 1 Soil total nitrogen and phosphorus concentrations among three forest types at different succession stages in Dinghushan. Different letters indicate significant differences at the confidence level of p < 0.05 in the same soil layer among the three forests. Data source: 2005. MEBF, monsoon evergreen broad-leaved forest; MF, mixed forest; PF, pine forest.