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1 4个样地的林窗数据

Table 1 Data of the canopy gaps of four forest plots

44 km样地 44 km plot 茶厂后山样地 Tea factory backhill plot 勐仑水库样地 Menglun Reservoir plot 大平掌样地 Dapingzhang plot 大林窗数 Large gap number 13 9 12 21 小林窗数 Small gap number 27 18 14 32 林窗数 Gap number 40 27 26 53 最大林窗面积 Largest gap area (m2) 294.26 121.78 266.42 160.53 最小林窗面积 Smallest gap area (m2) 4.1 4.64 4.17 4.2 林窗总面积 Total area of gap (m2) 1,208.72 600.00 1,286.91 1,640.25 林窗空隙率 Gap fraction 12.10% 6% 12.85% 16.40%