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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

From: Patterns of forest composition and their long term environmental drivers in the tropical dry forest transition zone of southern Africa

  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