Fig. 5From: Traditional medicinal animal use by Xhosa and Sotho communities in the Western Cape Province, South AfricaThe comparative performance of six incidence-based species richness estimators (MMMeans, ICE, Jack 1, Jack 2, Bootstrap, and Chao 2), as well as the observed species accumulation curve, for all vertebrate species recorded (n = 71). The cumulative numbers of singletons and doubletons were also plotted. Estimated species richness is indicated in brackets. Samples were randomised 100 timesBack to article page