Table 6.
Mean tree species richness and diversity (Hill numbers) in upland and lowland elevations of Ewa rangeland, Afar, Ethiopia.
| Parameter | Upland | Lowland | Overall mean | P-value |
|---|---|---|---|---|
| Species richness | 3.13(2.37)b | 0.24(0.33)a | 1.69(2.21) | 0.003 |
| Diversity | 2.65(1.50)b | 1.10(0.12)a | 1.85(1.31) | 0.01 |
Values are averages with standard deviation in parentheses. Means within rows with different letters are significantly different (t-test, P < 0.05).