广西大石围天坑群不同植物群落的特征
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于燕妹, 黄林娟, 薛跃规
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Characteristics of different plant communities in the Dashiwei Tiankeng group, Guangxi, China
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YU Yan-Mei, HUANG Lin-Juan, XUE Yue-Gui
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表2 大石围天坑群样地维管植物组成
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Table 2 Composition of vascular plants in Dashiwei Tiankeng group plots
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类别
Category | 科数
No. of families | 所占比例
Proportion (%) | 属数
No. of genera | 所占比例
Proportion (%) | 种数
No. of species | 所占比例
Proportion (%) | | 双子叶植物 Dicotyledon | 67 | 75.28 | 135 | 76.70 | 203 | 75.46 | | 单子叶植物 Monocotyledon | 8 | 8.99 | 18 | 10.23 | 22 | 8.18 | | 裸子植物 Gymnosperms | 1 | 1.12 | 1 | 0.57 | 1 | 0.37 | | 蕨类植物 Fern | 13 | 14.61 | 22 | 12.50 | 43 | 15.99 | | 合计 Total | 89 | 100.00 | 176 | 100.00 | 269 | 100.00 |
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