| Site | Shannon-Weiner diversity index | ||
| Undisturbed | Moderately disturbed | Heavily disturbed | |
| Ngangao | 5.08 | 3.02 | 3.33 |
| Chawia | 4.46 | 1.74 | 2.35 |
| Mbololo | 4.99 | - | - |