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

Table 5 Comparison between groups of activities in all levels of knowledge

Level of knowledge		Sum of squares	df	Mean square	F	Sig.
Competence in visual recognition	Between groups	12631.781	1	12631.781	456.531	<0.001
	Within groups	8245.385	298	27.669
	Total	20877.166	299
Competence in recognition of plant form	Between groups	13457.411	1	13457.411	457.220	<0.001
	Within groups	8771.075	298	29.433
	Total	22228.486	299
Competence in recognition of genera	Between groups	14436.678	1	14436.678	431.136	<0.001
	Within groups	9978.589	298	33.485
	Total	24415.267	299
Competence in recognition of specific name	Between groups	17385.702	1	17385.702	432.363	<0.001
	Within groups	11982.854	298	40.211
	Total	29368.556	299
Competence in knowledge of use	Between groups	9706.413	1	9706.413	458.053	<0.001
	Within groups	6314.800	298	21.191
	Total	16021.213	299
Global index	Between groups	4905.139	1	4905.139	565.941	<0.001
	Within groups	2582.835	298	8.667
	Total	7487.974	299

The analyses of variance show a statistically significant difference (indicated in bold) in all levels of knowledge.

ISSN: 1746-4269