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Table 1 Measurements of knowledge regarding the species Stryphnodendron rotundifolium Mart.

From: Knowledge and extractivism of Stryphnodendron rotundifoliumMart. in a local community of the Brazilian Savanna, Northeastern Brazil

Variables Values
Total informants 120
Number of reported uses 206
Use purposes 40
Measures Average and standard deviation (X ± SD)
Total IDV 0.043 ± 0.021
Total IDV women 0.044 ± 0.021 a
IDV women < 40 years of age 0.042 ± 0.023 a
IDV women ≥ 40 years of age 0.044 ± 0.021 a
Total IDV men 0.042 ± 0.021 a
IDV men < 40 years of age 0.040 ± 0.020 a
IDV men ≥ 40 years of age 0.045 ± 0.022 a
Total IEV 0.436 ± 0.217
Total IEV women 0.442 ± 0.219 a
IEV women < 40 years of age 0.428 ± 0.239 a
IEV women ≥ 40 years of age 0.448 ± 0.212 a
Total IEV men 0.429 ± 0.215 a
IEV men < 40 years of age 0.402 ± 0.209 a
IEV men ≥ 40 years of age 0.450 ± 0.221 a
  1. X = mean; SD = standard deviation.
  2. The letter “a” in the column indicates nonsignificant values at 5%. IDV = informant diversity value; IEV = informant equitability value.