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Table 2 Plant species diversity, richness, and evenness as a function of growth form in the herb stratum, based on abundance (% cover) of Sasa borealis. Data are means ± standard error

From: Distribution, abundance, and effect on plant species diversity of Sasa borealis in Korean forests

Parameter Cover of S. borealis (%)
  < 5 5~10 10~25 25~50 50~75 75~100
No. of plots 3 3 8 8 12 12
Species diversity
 Tree 1.06 ± 0.20 1.43 ± 0.33 1.05 ± 0.28 1.65 ± 0.22 1.23 ± 0.17 0.65 ± 0.23
 Shrub 1.25 ± 0.18 1.03 ± 0.29 1.07 ± 0.23 0.77 ± 0.19 1.04 ± 0.16 0.92 ± 0.19
 Herb 1.88 ± 0.26 1.59 ± 0.34 1.49 ± 0.19 0.69 ± 0.18 0.54 ± 0.13 0.31 ± 0.12
Species richness
 Tree 3 ± 1 5 ± 1 3 ± 1 6 ± 1 4 ± 1 3 ± 1
 Shrub 5 ± 1 4 ± 0 4 ± 1 3 ± 0 3 ± 0 3 ± 1
 Herb 31 ± 6 10 ± 3 16 ± 3 8 ± 3 10 ± 2 6 ± 2
Species evenness
 Tree 1.00 ± 0.00 0.90 ± 0.10 0.75 ± 0.16 1.00 ± 0.00 0.92 ± 0.08 0.47 ± 0.14
 Shrub 0.84 ± 0.16 0.69 ± 0.15 0.75 ± 0.13 0.66 ± 0.16 0.83 ± 0.10 0.79 ± 0.11
 Herb 0.56 ± 0.08 0.70 ± 0.05 0.54 ± 0.04 0.39 ± 0.07 0.22 ± 0.04 0.15 ± 0.04