Determinant Factor of Plant Species Diversity in the Organic Agriculture-Dominated System of Gedeo Zone, Southern Ethiopia

Table 3

Diversity indices F value native and exotic species as influenced by agroecological zone and wealth class.

Factor	Origin of species	F value for diversity indices
		Beta diversity (S)	Shannon (H′)	Evenness (J)
Agroecological zone	Native	11.01	3.781	0.466
	Exotic	23.50	18.547	5.540
Wealth class	Native	0.15 ns	1.418 ns	4.054
	Exotic	10.195	8.205	5.418

Source: own survey data, 2019. , , and mean significant at the 10%, 5%, and 1% probability levels, respectively. ns, not significant.