Skip to main content

Table 9 Diversity estimates of the regeneration layer interpolated and extrapolated based on abundance data (number of individuals) using the iNEXT package

From: Tree regeneration characteristics in limestone forests of the Cat Ba National Park, Vietnam

m Method Order qD qD.LCL qD.UCL SC SC.LCL SC.UCL
5 Interpolated 0 4.564 4.540 4.587 0.201 0.192 0.211
30 Interpolated 0 18.551 18.190 18.912 0.599 0.586 0.613
200 Interpolated 0 49.660 48.275 51.044 0.904 0.900 0.909
3622 Observed 0 96.998 93.500 100.495 0.998 0.996 0.999
8000 Extrapolated 0 100.489 93.245 107.733 1.000 0.999 1.001
5 Interpolated 1 4.414 4.386 4.442 0.201 0.193 0.210
30 Interpolated 1 15.541 15.199 15.884 0.599 0.591 0.608
200 Interpolated 1 29.309 28.405 30.213 0.904 0.900 0.908
3622 Observed 1 35.955 34.762 37.149 0.998 0.996 0.999
8000 Extrapolated 1 36.331 35.123 37.539 1.000 0.999 1.001
5 Interpolated 2 4.205 4.163 4.247 0.201 0.191 0.212
30 Interpolated 2 12.654 12.198 13.110 0.599 0.588 0.611
200 Interpolated 2 19.219 18.144 20.294 0.904 0.900 0.908
3622 Observed 2 21.038 19.746 22.331 0.998 0.996 0.999
8000 Extrapolated 2 21.102 19.802 22.403 1.000 0.999 1.001
  1. m = sample size as number of individuals; order = Hill number with 0 = species richness; 1 = Shannon diversity, 2 = Simpson diversity; qD = the estimated diversity for a given sample size and order; SC = the estimated sample coverage; qD.LCL, qD.UCL = the lower and upper confidence level for the estimated diversity at the default value of 0.95; SC.LCL, SC.UCL = the lower and upper confidence level for the estimated sample coverage with a default value of 0.95