Skip to main content

Table 1 Species richness and mean values of Shannon-Wiener diversity index (H′) and Pielou’s evenness index (J′) for each fire severity level and for each year of study

From: Impacts of fire severity and cattle grazing on early plant dynamics in old-growth Araucaria-Nothofagus forests

Year Fire severity level Richness Richness comparison Mean diversity index H Mean evenness index J
±UN p-value
2016 LS 34 a + 3 0.377 2.13 a 0.75 a
MS 15 b –16 0.006 ** 0.98 b* 0.51 a
HS 14 b –17 0.004 ** 1.16 b 0.66 a
2017 LS 37 a + 6 0.232 2.11 a 0.70 a
MS 20 b –11 0.007 ** 1.15 b* 0.53 b
HS 21 b −10 0.041 * 1.32 b 0.65 ab
2018 LS 39 a + 8 0.188 2.08 a 0.68 a
MS 29 ab −2 0.340 1.35 b 0.52 b
HS 24 b −7 0.050 * 1.44 b 0.61 ab
  1. Species richness within the UN is 31, mean H′ is 1.77 and mean J′ is 0.63. Different letters represent statistically significant differences (at α = 0.05) between the periods of evaluation within each year, and the significant differences between LS, MS and HS compared to the UN are represented by ** for p < 0.01 and * for p < 0.05