| Variable | Number | % Response |
| Changes in weather pattern | 21 | 5.0 |
| Afforestation | 41 | 9.8 |
| Increased settlements | 52 | 12.4 |
| Altitude | 60 | 14.4 |
| Wind direction | 65 | 15.6 |
| Deforestation | 169 | 40.4 |
| Don’t know | 3 | 0.7 |
| Other factors | 7 | 1.7 |
| Total | 418 | 100 |