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Table 4 Correlation analysis between the knowledge richness index (KRI) and knowledge sharing index (KSI) and the number of cited plants per informant (intrafamily) for the three categories of use in a rural community in northeastern Brazil

From: A new technique for testing distribution of knowledge and to estimate sampling sufficiency in ethnobiology studies

   KRI KSI
Categories of use N of plants Rs P rs P
All plants      
Fuel 48 -0.3082 0.0041 -0.3082 0.0041
Food 91 -0.1595 0.1447 -0.1595 0.1447
Medicinal 159 -0.2557 0.0181 -0.2557 0.0181
Unique Plants      
Fuel 16 -0.6338 < 0.0001 -0.6338 < 0.0001
Food 33 -0.6386 < 0.0001 -0.6386 < 0.0001
Medicinal 42 -0.7546 < 0.0001 -0.7546 < 0.0001