| Ekosystem | Typ | Status | Ref. |
|---|---|---|---|
| Dibamba | River (basin) | native | 81639 |
| Ethiopian | Zoogeographic realm | endemic | 2940 |
| Kienke | River (basin) | native | 81639 |
| Mbini | River (basin) | native | 2801 |
| Niger | River (basin) | native | 81282 |
| Ogun | River (basin) | native | 13331 |
| Ouémé | River (basin) | native | 97577 |