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Table 4 Statistics of the levels of knowledge at regional scale

From: Cultural change and loss of ethnoecological knowledge among the Isthmus Zapotecs of Mexico

  Competence in visual recognition Competence in recognition of plant form Competence in recognition of genera Competence in recognition of specific name Competence in knowledge of use Global index
Primary activity N 150 150 150 150 150 150
Mean 28.22 28.13 26.48 25.29 23.80 131.9200
Std. Desv. 1.706 1.773 2.548 3.428 2.761 10.91119
Secondary and tertiary activity N 150 150 150 150 150 150
Mean 19.23 18.65 14.71 11.75 12.65 76.9867
Std. Desv. 5.476 5.796 6.471 6.646 5.682 28.80669
Total N 300 300 300 300 300 300
Mean 23.72 23.39 20.59 18.52 18.22 104.4533
Std. Desv. 6.057 6.389 7.673 8.594 7.148 35.06842
  Coefficient of variation (%) 25.53 27.31 37.26 46.40 39.23 33.57
  1. Means, standard deviations and coefficients of variation are shown for each level of knowledge. N number of interviewees;
  2. Std. dev. standard deviation.