西双版纳热带雨林林窗空间分布格局及其特征数与林窗下植物多样性的相关性

李强,王彬,邓云,林露湘,达佤扎喜,张志明

Correlation between spatial distribution of forest canopy gaps and plant diversity indices in Xishuangbanna tropical forests

Li Qiang,Wang Bin,Deng Yun,Lin Luxiang,Dawa Zhaxi,Zhang Zhiming

表3 热带雨林和常绿阔叶林样地的林窗数量、面积及其比例

Table 3 The numbers and area of the canopy gaps of the tropical forest plots and the evergreen broad-leaved forest plot

分类面积 Classified by area (m2) 林窗数量 No. of gaps 数量百分比 % 面积 Area (m2) 面积百分比 % 热带雨林 Tropical forest 4-25 59 63.44 648.99 20.96 25-50 19 20.43 588.53 19.01 50-100 8 8.60 541.68 17.50 100-200 4 4.30 523.73 16.92 200-400 3 3.23 792.7 25.61 合计 Total 93 100 3,095.63 100 常绿阔叶林 Evergreen broad-leaved forest 4-25 32 60.38 382.3 23.31 25-50 10 18.87 375.9 22.92 50-100 9 16.98 599.19 36.53 100-200 2 3.77 282.81 17.24 200-400 0 0 0 0 合计 Total 53 100.00 1,640.2 100.00