亚热带森林附生地衣压力-体积曲线分析及其适用性

董琳琳, 普晓妍, 张璐璐, 宋亮, 鲁志云, 李苏

Pressure-volume curve analysis of epiphytic lichens and its applicability in subtropical forests

DONG Lin-Lin, PU Xiao-Yan, ZHANG Lu-Lu, SONG Liang, LU Zhi-Yun, LI Su

表3 云南哀牢山亚热带森林15种附生地衣水势参数在主成分分析(PCA)中的载荷和解释方差

Table 3 Principal component analysis (PCA) loading and interpretation variances of water potential parameters of 15 epiphytic lichens in subtropical forests in the Ailao Mountains, Yunnan

水势参数 Water potential parameter PC1 PC2 共质体水 Rs 0.584 - 质外体水 Ra 0.307 -0.818 质壁分离时相对含水量 RWCTLP -0.494 -0.565 饱和渗透势 Ψsat 0.566 - 标准差 Standard deviation 1.451 1.038 方差贡献率 Proportion of variance 52.66% 26.94% 方差累计贡献率 Cumulative proportion 52.66% 79.60%