罗汉松科3种植物茎和根木质部水分运输、解剖结构与机械强度之间的关系
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陆世通, 陈森, 李彦, 王忠媛, 潘天天, 叶琳峰, 谢江波
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Relationships among xylem transport, anatomical structure and mechanical strength in stems and roots of three Podocarpaceae species
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LU Shi-Tong, CHEN Sen, LI Yan, WANG Zhong-Yuan, PAN Tian-Tian, YE Lin-Feng, XIE Jiang-Bo
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表1 罗汉松科3种植物采样点及样树的基本特征(平均值±标准误)
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Table 1 Basic characteristics of the sampling plots and trees of three Podocarpaceae species (mean ± SE)
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树种 Species | 海拔 Altitude (m) | 坡向 Slope direction | 坡度 Slope (°) | 土壤类型 Soil type | 土壤含水量 Soil water content (%) | 土壤容重 Soil bulk density (g·cm-3) | 树高 Tree height (m) | 胸径 DBH (cm) | 罗汉松 Podocarpus macrophyllus | 42.47 ± 0.23 | 西南 SW | 3 | 黄红壤亚类 Yellow red soil subclass | 36.87 ± 1.81 | 1.22 ± 0.15 | 5.93 ± 0.42 | 13.50 ± 1.55 | 短叶罗汉松 P. macrophyllus var. maki | 39.40 ± 0.44 | 西南 SW | 8 | 黄红壤亚类 Yellow red soil subclass | 35.24 ± 1.75 | 1.20 ± 0.10 | 2.89 ± 0.32 | 11.99 ± 1.54 | 竹柏 Nageia nagi | 41.48 ± 0.20 | 西南 SW | 1 | 黄红壤亚类 Yellow red soil subclass | 36.34 ± 1.74 | 1.23 ± 0.08 | 3.66 ± 0.18 | 8.52 ± 0.64 |
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