Woody Species Composition, Structure, and Carbon Stock of Coffee-Based Agroforestry System along an Elevation Gradient in the Moist Mid-Highlands of Southern Ethiopia

Table 2

Mean value of woody species richness, Shannon-Wiener index, evenness, and Simpson index along an elevation gradient of coffee-based agroforestry system.

Elevation gradient (m a.s.l)	Richness plot^-1	Total no species	Shannon plot^-1	Simpson plot^-1	Evenness plot^-1
1840	5.50 ± 0.82	16	1.25 ± 0.13	0.66 ± 0.06	0.77 ± 0.05
1940	5.63 ± 0.91	16	1.22 ± 0.15	0.69 ± 0.04	0.74 ± 0.04
2040	4.75 ± 0.82	13	1.27 ± 0.08	0.64 ± 0.03	0.77 ± 0.03
2140	5.00 ± 1.18	17	1.29 ± 0.16	0.65 ± 0.07	0.80 ± 0.05
2240	3.88 ± 0.52	13	1.00 ± 0.11	0.63 ± 0.03	0.80 ± 0.04
- value	0.64		0.54	0.65	0.84

Means ± S.E. with different letters within a column are significantly different () (Tukey’s test HSD). S.E = standard error.