Table 2 Tree communities with indicator species and their positive predictive value (A), sensitivity (B) and indicator value (IV). Single indicator species are included when p < 0.05 and indicator species combinations when they have a higher A than the best single indicator species
| Â | A | B | IV (%) |
|---|---|---|---|
Schinziophyton rautanenii community (230 plots) | |||
  S. rautanenii | 0.92 | 1.00 | 92 |
  S. rautanenii + Erythrophleum africanum | 1.00 | 0.07 | 7 |
  E. africanum | 0.53 | 0.07 | 3 |
Baikiaea plurijuga community (278 plots) | |||
  B. plurijuga | 0.75 | 1.00 | 75 |
  B. plurijuga + Combretum psidioides | 0.85 | 0.16 | 14 |
  C. psioides | 0.48 | 0.16 | 8 |
  B. plurijuga + Commiphora spp. | 0.81 | 0.09 | 8 |
  B. plurijuga + Philenoptera nelsii | 0.96 | 0.07 | 7 |
  Commiphora spp. | 0.72 | 0.09 | 7 |
  P. nelsii | 0.56 | 0.07 | 4 |
Burkea africana community (168 plots) | |||
  B. africana | 0.29 | 0.99 | 28 |
  Terminalia sericea | 0.30 | 0.16 | 5 |
  B. africana + Acacia erioloba | 0.87 | 0.02 | 2 |
  A. erioloba | 0.51 | 0.02 | 1 |
Guibourtia coleosperma community (249 plots) | |||
  G. coleosperma | 0.61 | 1.00 | 61 |
Pterocarpus angolensis - Dialium englerianum community (305 plots) | |||
  P. angolensis | 0.32 | 0.88 | 28 |
  P. angolensis + B. africana | 0.38 | 0.70 | 26 |
  Dialium englerianum | 0.43 | 0.40 | 17 |
  D. englerianum + Combretum collinum | 0.66 | 0.06 | 4 |
  D. englerianum + Strychnos spp. | 0.57 | 0.05 | 3 |