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Table 2 Correlation analysis between the knowledge richness index (KRI), the knowledge sharing index (KSI) and the number of plants cited (total and unique) per household (intracultural) 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 Rs P Rs P
All plants     
Fuel -0.3842 0.0003 -0.1788 0.1016
Food -0.6722 < 0.0001 -0.4206 < 0.0001
Medicinal -0.9186 < 0.0001 -0.6057 < 0.0001
Unique Plants     
Fuel -0.4645 < 0.0001 -0.2370 0.0289
Food -0.7634 < 0.0001 -0.4924 < 0.0001
Medicinal -0.9878 < 0.0001 -0.6540 < 0.0001