| Study sites | Sub-basins | Climate | Environment description |
| Naba Zana, Konioudou, Arzoum Baongo, Goanghin | Nakanbé | North Sudanian climate with annual rainfall between 350 mm and 900 mm. These sites have a low vegetation cover.
| Located in the commune of Koubri, these sites are highly anthropized (agriculture, fishing, silting...). |
| Bazega | There is a strong pressure of fishing and pumping for fruit gardens | ||
| Loumbila, Tanghin | Experience a strong anthropization: fishing, pumping, market gardening, household activities, silting ... | ||
| Bankako | This site is located in the downstream part of the Bagré reservoir. Characterized by the cultivation of rice in irrigation. | ||
| Dirlakou, Zangoula Lengha, Koumbouré Béguédo, Niaogho | Located upstream of the Bagré reservoir, these sites are under strong agricultural pressure. | ||
| Nazinga (Kalieboulou, Bodjero, Nakourou) | Nakanbé | Vegetation cover of the tree savannah type. | Protected area, controlled fishing. |
| Mare Hippo | Mouhoun | South Sudanese climate. Annual rainfall is between 900 mm and 1100 mm. Important vegetation cover with large trees all around. | Protected area, controlled fishing, presence of invasive plants. |
| Samandeni | Created in 2018, low agricultural pressure with increasing fishing pressure. |