| Buffers zones | Number of villages | Number of villages selected | Number of households surveyed |
| 0 à 1 km | 116 | 29 | 153 |
| 1 à 3 km | 88 | 22 | 114 |
| 3 à 5 km | 76 | 19 | 101 |
| Total | 280 | 70 | 368 |