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Table 4 Selected measures of diversity calculated for vertebrate taxa (together and separately) sold by traditional healers in informal settlements in the Boland Region

From: Traditional medicinal animal use by Xhosa and Sotho communities in the Western Cape Province, South Africa

Index/measure Animals (n = 17) Mammals (n = 17) Reptiles (n = 16) Birds (n = 10)
Individuals 450 365 67 17
Species richness (S or N0) 71 52 13 5
Mean S per community ± SD 18.2 ± 5.7 14.4 ± 5.0 4.12 ± 1.76 1.29 ± 1.16
Shannon-Wiener index (H’) 3.79 3.47 2.02 1.47
Simpson’s (1/λ) = Hill’s N2 28.55 20.96 7.32 3.92
Hill’s N1 (eH’) 44.26 32.37 7.54 4.35
Fisher’s α 23.22 16.12 4.25 2.13
E1 (Shannon J’) = (H’/H’max)a 0.89 0.88 0.79 0.91
Evenness E5 (N2-1/N1-1) 0.64 0.64 0.97 0.87
Mean number shared species 6.58 ± 3.28 (range 1–14) 5.28 ± 2.85 (range 1–13) 1.40 ± 1.02 (range 0–4) 0.22 ± 0.45 (range 0–2)
  1. aH’max = ln(S)