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| avalanches SilvaProtect, modelled and assigned | |||||||
|---|---|---|---|---|---|---|---|
| inside perimeter | outside perimeter | total | |||||
| economic region | time of last treatment (classes of 10 years) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
| Western Jura | n/a | . | . | 1.8 | 45 | 1.8 | 45 |
| less than 10 years ago | 2.5 | 38 | 96.0 | 4 | 98.5 | 4 | |
| 11-20 years ago | 0.4 | 100 | 24.7 | 11 | 25.0 | 11 | |
| 21-30 years ago | 1.4 | 50 | 11.1 | 17 | 12.5 | 16 | |
| 31-40 years ago | . | . | 2.5 | 38 | 2.5 | 38 | |
| 41-50 years ago | . | . | 0.7 | 71 | 0.7 | 71 | |
| over 50 years ago | 0.4 | 100 | 7.5 | 21 | 7.9 | 21 | |
| total | 4.6 | 27 | 144.2 | 2 | 148.9 | 2 | |
| Eastern Jura | n/a | . | . | 0.4 | 100 | 0.4 | 100 |
| less than 10 years ago | . | . | 32.4 | 7 | 32.4 | 7 | |
| 11-20 years ago | . | . | 8.6 | 20 | 8.6 | 20 | |
| 21-30 years ago | . | . | 4.0 | 30 | 4.0 | 30 | |
| 31-40 years ago | . | . | 1.2 | 57 | 1.2 | 57 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 0.4 | 100 | 0.4 | 100 | |
| total | . | . | 47.0 | 3 | 47.0 | 3 | |
| Western Plateau | n/a | . | . | 0.4 | 100 | 0.4 | 100 |
| less than 10 years ago | . | . | 26.6 | 9 | 26.6 | 9 | |
| 11-20 years ago | . | . | 10.3 | 18 | 10.3 | 18 | |
| 21-30 years ago | . | . | 4.1 | 31 | 4.1 | 31 | |
| 31-40 years ago | . | . | 1.6 | 49 | 1.6 | 49 | |
| 41-50 years ago | . | . | 0.4 | 100 | 0.4 | 100 | |
| over 50 years ago | . | . | 3.7 | 32 | 3.7 | 32 | |
| total | . | . | 47.2 | 4 | 47.2 | 4 | |
| Central Plateau | n/a | . | . | . | . | . | . |
| less than 10 years ago | . | . | 58.6 | 3 | 58.6 | 3 | |
| 11-20 years ago | . | . | 5.3 | 23 | 5.3 | 23 | |
| 21-30 years ago | . | . | 2.2 | 37 | 2.2 | 37 | |
| 31-40 years ago | . | . | 0.6 | 71 | 0.6 | 71 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 2.0 | 41 | 2.0 | 41 | |
| total | . | . | 68.7 | 2 | 68.7 | 2 | |
| Eastern Plateau | n/a | . | . | . | . | . | . |
| less than 10 years ago | . | . | 88.3 | 3 | 88.3 | 3 | |
| 11-20 years ago | . | . | 17.5 | 13 | 17.5 | 13 | |
| 21-30 years ago | . | . | 1.8 | 44 | 1.8 | 44 | |
| 31-40 years ago | . | . | . | . | . | . | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 2.5 | 37 | 2.5 | 37 | |
| total | . | . | 110.1 | 2 | 110.1 | 2 | |
| Western Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 1.1 | 57 | 15.9 | 13 | 17.0 | 12 | |
| 11-20 years ago | 1.1 | 57 | 11.5 | 16 | 12.6 | 15 | |
| 21-30 years ago | 0.4 | 100 | 3.0 | 34 | 3.3 | 32 | |
| 31-40 years ago | . | . | 2.6 | 37 | 2.6 | 37 | |
| 41-50 years ago | . | . | 1.5 | 49 | 1.5 | 49 | |
| over 50 years ago | 0.4 | 100 | 3.7 | 30 | 4.1 | 29 | |
| total | 2.9 | 35 | 38.1 | 5 | 41.1 | 4 | |
| Central Pre-Alps | n/a | . | . | 0.4 | 100 | 0.4 | 100 |
| less than 10 years ago | 2.9 | 35 | 57.7 | 6 | 60.6 | 5 | |
| 11-20 years ago | 1.8 | 44 | 15.4 | 14 | 17.2 | 13 | |
| 21-30 years ago | 0.7 | 71 | 3.6 | 31 | 4.3 | 28 | |
| 31-40 years ago | 0.7 | 71 | 3.2 | 33 | 3.9 | 30 | |
| 41-50 years ago | . | . | 2.2 | 40 | 2.2 | 40 | |
| over 50 years ago | 0.7 | 71 | 5.4 | 25 | 6.1 | 24 | |
| total | 6.8 | 22 | 87.8 | 3 | 94.7 | 2 | |
| Eastern Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 0.4 | 100 | 41.1 | 7 | 41.4 | 7 | |
| 11-20 years ago | 2.1 | 40 | 10.0 | 18 | 12.1 | 16 | |
| 21-30 years ago | 0.4 | 100 | 6.8 | 22 | 7.1 | 21 | |
| 31-40 years ago | . | . | 4.3 | 28 | 4.3 | 28 | |
| 41-50 years ago | . | . | 1.1 | 57 | 1.1 | 57 | |
| over 50 years ago | . | . | 2.9 | 35 | 2.9 | 35 | |
| total | 2.9 | 35 | 66.1 | 3 | 68.9 | 3 | |
| Northwestern Alps | n/a | 0.4 | 100 | 0.4 | 100 | 0.7 | 71 |
| less than 10 years ago | 4.3 | 28 | 19.3 | 12 | 23.6 | 10 | |
| 11-20 years ago | 3.6 | 31 | 6.8 | 22 | 10.4 | 17 | |
| 21-30 years ago | 1.1 | 57 | 5.0 | 26 | 6.1 | 23 | |
| 31-40 years ago | 0.4 | 100 | 4.3 | 28 | 4.7 | 27 | |
| 41-50 years ago | . | . | 2.1 | 40 | 2.1 | 40 | |
| over 50 years ago | 0.7 | 71 | 6.4 | 23 | 7.2 | 21 | |
| total | 10.4 | 17 | 44.3 | 6 | 54.7 | 4 | |
| Central Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 1.0 | 57 | 6.9 | 20 | 7.9 | 19 | |
| 11-20 years ago | 1.7 | 44 | 2.1 | 40 | 3.8 | 29 | |
| 21-30 years ago | 1.0 | 57 | 1.1 | 58 | 2.1 | 40 | |
| 31-40 years ago | . | . | 0.7 | 70 | 0.7 | 70 | |
| 41-50 years ago | . | . | 1.4 | 49 | 1.4 | 49 | |
| over 50 years ago | 1.0 | 57 | 5.2 | 24 | 6.2 | 22 | |
| total | 4.8 | 25 | 17.3 | 11 | 22.1 | 8 | |
| Northeastern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 1.4 | 49 | 12.9 | 14 | 14.3 | 13 | |
| 11-20 years ago | 2.5 | 37 | 2.9 | 34 | 5.4 | 24 | |
| 21-30 years ago | 0.4 | 100 | 1.8 | 44 | 2.1 | 40 | |
| 31-40 years ago | 0.7 | 70 | 1.4 | 49 | 2.1 | 40 | |
| 41-50 years ago | . | . | 0.7 | 70 | 0.7 | 70 | |
| over 50 years ago | 1.1 | 57 | 2.9 | 34 | 3.9 | 29 | |
| total | 6.1 | 22 | 22.6 | 9 | 28.7 | 6 | |
| Southwestern Alps | n/a | . | . | 0.3 | 100 | 0.3 | 100 |
| less than 10 years ago | 5.1 | 25 | 13.4 | 15 | 18.5 | 13 | |
| 11-20 years ago | 4.1 | 29 | 11.0 | 17 | 15.1 | 14 | |
| 21-30 years ago | 6.9 | 22 | 12.4 | 16 | 19.2 | 12 | |
| 31-40 years ago | 2.4 | 37 | 9.3 | 19 | 11.7 | 16 | |
| 41-50 years ago | 1.0 | 58 | 3.8 | 30 | 4.8 | 26 | |
| over 50 years ago | 4.8 | 26 | 19.2 | 12 | 24.0 | 11 | |
| total | 24.4 | 11 | 69.3 | 5 | 93.7 | 3 | |
| Southeastern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 5.6 | 25 | 45.3 | 7 | 50.9 | 7 | |
| 11-20 years ago | 3.9 | 30 | 16.5 | 14 | 20.4 | 12 | |
| 21-30 years ago | 0.7 | 71 | 12.6 | 16 | 13.3 | 16 | |
| 31-40 years ago | 1.1 | 58 | 6.7 | 22 | 7.7 | 21 | |
| 41-50 years ago | 1.4 | 50 | 3.2 | 33 | 4.6 | 27 | |
| over 50 years ago | 2.8 | 35 | 19.3 | 13 | 22.1 | 12 | |
| total | 15.5 | 14 | 103.6 | 3 | 119.0 | 3 | |
| Southern Alps | n/a | 0.4 | 100 | . | . | 0.4 | 100 |
| less than 10 years ago | 1.4 | 50 | 14.5 | 15 | 16.0 | 14 | |
| 11-20 years ago | 1.8 | 45 | 12.4 | 16 | 14.2 | 15 | |
| 21-30 years ago | 1.8 | 45 | 11.0 | 17 | 12.8 | 16 | |
| 31-40 years ago | 0.7 | 71 | 19.1 | 13 | 19.8 | 13 | |
| 41-50 years ago | 1.4 | 50 | 14.8 | 15 | 16.3 | 14 | |
| over 50 years ago | 5.0 | 26 | 35.0 | 9 | 40.0 | 8 | |
| total | 12.4 | 16 | 106.9 | 4 | 119.3 | 3 | |
| Switzerland | n/a | 0.7 | 71 | 3.6 | 32 | 4.4 | 29 |
| less than 10 years ago | 25.8 | 12 | 529.0 | 2 | 554.8 | 2 | |
| 11-20 years ago | 23.0 | 12 | 154.9 | 5 | 177.9 | 4 | |
| 21-30 years ago | 14.7 | 15 | 80.2 | 6 | 94.9 | 6 | |
| 31-40 years ago | 6.0 | 24 | 57.5 | 8 | 63.5 | 7 | |
| 41-50 years ago | 3.9 | 30 | 31.8 | 10 | 35.7 | 10 | |
| over 50 years ago | 16.8 | 14 | 116.0 | 5 | 132.8 | 5 | |
| total | 90.8 | 6 | 973.2 | 1 | 1063.9 | 1 | |
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