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| rockfall 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 | . | . | 1.6 | 25 | 1.6 | 25 |
| less than 10 years ago | 0.9 | 33 | 94.2 | 2 | 95.1 | 2 | |
| 11-20 years ago | 0.7 | 38 | 28.3 | 6 | 29.1 | 5 | |
| 21-30 years ago | 0.4 | 50 | 8.2 | 11 | 8.6 | 11 | |
| 31-40 years ago | 0.3 | 58 | 3.8 | 16 | 4.2 | 15 | |
| 41-50 years ago | . | . | 1.3 | 28 | 1.3 | 28 | |
| over 50 years ago | 0.7 | 38 | 9.7 | 10 | 10.4 | 10 | |
| total | 3.0 | 18 | 147.2 | 1 | 150.3 | 1 | |
| Eastern Jura | n/a | . | . | 0.2 | 71 | 0.2 | 71 |
| less than 10 years ago | 0.3 | 58 | 34.3 | 4 | 34.6 | 3 | |
| 11-20 years ago | 0.1 | 100 | 7.2 | 11 | 7.3 | 11 | |
| 21-30 years ago | . | . | 2.4 | 20 | 2.4 | 20 | |
| 31-40 years ago | . | . | 1.2 | 29 | 1.2 | 29 | |
| 41-50 years ago | . | . | 0.1 | 100 | 0.1 | 100 | |
| over 50 years ago | . | . | 0.8 | 35 | 0.8 | 35 | |
| total | 0.4 | 50 | 46.2 | 2 | 46.7 | 2 | |
| Western Plateau | n/a | . | . | 0.3 | 58 | 0.3 | 58 |
| less than 10 years ago | 0.1 | 100 | 29.3 | 4 | 29.4 | 4 | |
| 11-20 years ago | . | . | 10.2 | 9 | 10.2 | 9 | |
| 21-30 years ago | . | . | 3.5 | 17 | 3.5 | 17 | |
| 31-40 years ago | . | . | 0.9 | 33 | 0.9 | 33 | |
| 41-50 years ago | . | . | 0.6 | 41 | 0.6 | 41 | |
| over 50 years ago | . | . | 4.0 | 16 | 4.0 | 16 | |
| total | 0.1 | 100 | 49.0 | 2 | 49.1 | 2 | |
| Central Plateau | n/a | . | . | 0.2 | 71 | 0.2 | 71 |
| less than 10 years ago | . | . | 58.2 | 2 | 58.2 | 2 | |
| 11-20 years ago | 0.1 | 100 | 6.1 | 12 | 6.1 | 12 | |
| 21-30 years ago | . | . | 1.2 | 29 | 1.2 | 29 | |
| 31-40 years ago | 0.1 | 100 | 0.9 | 33 | 1.0 | 31 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 1.5 | 26 | 1.5 | 26 | |
| total | 0.2 | 71 | 67.9 | 2 | 68.1 | 2 | |
| Eastern Plateau | n/a | . | . | 0.1 | 100 | 0.1 | 100 |
| less than 10 years ago | . | . | 89.3 | 2 | 89.3 | 2 | |
| 11-20 years ago | . | . | 15.2 | 8 | 15.2 | 8 | |
| 21-30 years ago | . | . | 2.4 | 20 | 2.4 | 20 | |
| 31-40 years ago | . | . | 0.6 | 41 | 0.6 | 41 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 1.8 | 23 | 1.8 | 23 | |
| total | . | . | 109.4 | 1 | 109.4 | 1 | |
| Western Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 0.3 | 58 | 17.3 | 6 | 17.6 | 6 | |
| 11-20 years ago | . | . | 11.7 | 8 | 11.7 | 8 | |
| 21-30 years ago | . | . | 4.9 | 13 | 4.9 | 13 | |
| 31-40 years ago | 0.1 | 100 | 3.1 | 17 | 3.2 | 17 | |
| 41-50 years ago | . | . | 0.7 | 38 | 0.7 | 38 | |
| over 50 years ago | . | . | 4.0 | 15 | 4.0 | 15 | |
| total | 0.4 | 50 | 41.6 | 3 | 42.0 | 3 | |
| Central Pre-Alps | n/a | 0.1 | 100 | 0.6 | 41 | 0.7 | 38 |
| less than 10 years ago | 0.6 | 41 | 63.1 | 3 | 63.7 | 3 | |
| 11-20 years ago | 0.1 | 100 | 16.2 | 7 | 16.3 | 7 | |
| 21-30 years ago | 0.2 | 71 | 4.9 | 14 | 5.1 | 14 | |
| 31-40 years ago | 0.1 | 100 | 2.9 | 18 | 3.0 | 18 | |
| 41-50 years ago | . | . | 1.5 | 26 | 1.5 | 26 | |
| over 50 years ago | 0.2 | 71 | 8.0 | 11 | 8.2 | 11 | |
| total | 1.3 | 28 | 97.2 | 2 | 98.4 | 2 | |
| Eastern Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 0.4 | 50 | 44.2 | 4 | 44.6 | 3 | |
| 11-20 years ago | 0.2 | 71 | 12.1 | 9 | 12.3 | 8 | |
| 21-30 years ago | 0.1 | 100 | 4.9 | 14 | 5.0 | 14 | |
| 31-40 years ago | . | . | 3.2 | 17 | 3.2 | 17 | |
| 41-50 years ago | . | . | 1.2 | 29 | 1.2 | 29 | |
| over 50 years ago | . | . | 4.0 | 16 | 4.0 | 16 | |
| total | 0.7 | 38 | 69.6 | 2 | 70.3 | 2 | |
| Northwestern Alps | n/a | 0.1 | 100 | 0.2 | 71 | 0.3 | 58 |
| less than 10 years ago | 1.2 | 29 | 21.0 | 6 | 22.2 | 6 | |
| 11-20 years ago | 0.1 | 100 | 11.4 | 9 | 11.5 | 9 | |
| 21-30 years ago | 0.3 | 58 | 6.2 | 12 | 6.5 | 12 | |
| 31-40 years ago | 0.7 | 38 | 3.3 | 17 | 4.0 | 16 | |
| 41-50 years ago | . | . | 1.4 | 26 | 1.4 | 26 | |
| over 50 years ago | 0.2 | 71 | 7.5 | 11 | 7.7 | 11 | |
| total | 2.7 | 19 | 51.1 | 3 | 53.7 | 3 | |
| Central Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 0.9 | 33 | 8.1 | 10 | 9.0 | 10 | |
| 11-20 years ago | 0.7 | 37 | 3.4 | 17 | 4.1 | 15 | |
| 21-30 years ago | 0.7 | 37 | 1.4 | 26 | 2.2 | 21 | |
| 31-40 years ago | 0.1 | 100 | 0.9 | 33 | 1.0 | 31 | |
| 41-50 years ago | . | . | 1.0 | 31 | 1.0 | 31 | |
| over 50 years ago | 0.9 | 33 | 4.9 | 14 | 5.9 | 12 | |
| total | 3.4 | 17 | 19.8 | 5 | 23.2 | 5 | |
| Northeastern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 1.4 | 26 | 11.7 | 8 | 13.1 | 8 | |
| 11-20 years ago | 0.4 | 50 | 4.0 | 15 | 4.4 | 14 | |
| 21-30 years ago | 0.4 | 50 | 2.2 | 21 | 2.6 | 19 | |
| 31-40 years ago | . | . | 2.1 | 21 | 2.1 | 21 | |
| 41-50 years ago | . | . | 1.1 | 30 | 1.1 | 30 | |
| over 50 years ago | 0.5 | 45 | 4.5 | 14 | 5.0 | 13 | |
| total | 2.7 | 19 | 25.5 | 4 | 28.2 | 4 | |
| Southwestern Alps | n/a | . | . | 1.2 | 29 | 1.2 | 29 |
| less than 10 years ago | 1.3 | 28 | 21.2 | 6 | 22.4 | 6 | |
| 11-20 years ago | 1.1 | 30 | 16.5 | 7 | 17.6 | 7 | |
| 21-30 years ago | 1.1 | 30 | 15.2 | 8 | 16.3 | 7 | |
| 31-40 years ago | 0.7 | 38 | 10.7 | 9 | 11.4 | 9 | |
| 41-50 years ago | 0.3 | 58 | 4.1 | 15 | 4.4 | 15 | |
| over 50 years ago | 1.9 | 23 | 24.6 | 6 | 26.5 | 6 | |
| total | 6.3 | 12 | 93.5 | 2 | 99.7 | 2 | |
| Southeastern Alps | n/a | . | . | 0.4 | 50 | 0.4 | 50 |
| less than 10 years ago | 0.9 | 33 | 52.3 | 4 | 53.2 | 4 | |
| 11-20 years ago | 1.1 | 30 | 19.0 | 7 | 20.1 | 7 | |
| 21-30 years ago | 0.6 | 41 | 12.5 | 9 | 13.1 | 8 | |
| 31-40 years ago | 0.3 | 58 | 10.3 | 10 | 10.6 | 9 | |
| 41-50 years ago | 0.1 | 100 | 5.2 | 14 | 5.3 | 14 | |
| over 50 years ago | 1.1 | 30 | 24.1 | 6 | 25.2 | 6 | |
| total | 4.1 | 15 | 123.8 | 2 | 127.9 | 2 | |
| Southern Alps | n/a | . | . | 0.1 | 100 | 0.1 | 100 |
| less than 10 years ago | 1.3 | 28 | 19.0 | 7 | 20.3 | 7 | |
| 11-20 years ago | 1.4 | 27 | 14.5 | 8 | 15.8 | 8 | |
| 21-30 years ago | 1.8 | 23 | 13.8 | 8 | 15.6 | 8 | |
| 31-40 years ago | 1.6 | 25 | 20.1 | 7 | 21.6 | 6 | |
| 41-50 years ago | 0.8 | 35 | 12.3 | 9 | 13.0 | 8 | |
| over 50 years ago | 2.9 | 18 | 40.7 | 4 | 43.6 | 4 | |
| total | 9.7 | 10 | 120.4 | 2 | 130.1 | 2 | |
| Switzerland | n/a | 0.2 | 71 | 4.9 | 14 | 5.1 | 14 |
| less than 10 years ago | 9.6 | 10 | 563.2 | 1 | 572.8 | 1 | |
| 11-20 years ago | 6.0 | 13 | 175.6 | 2 | 181.6 | 2 | |
| 21-30 years ago | 5.6 | 13 | 83.8 | 3 | 89.3 | 3 | |
| 31-40 years ago | 4.0 | 16 | 64.0 | 4 | 68.0 | 4 | |
| 41-50 years ago | 1.2 | 29 | 30.5 | 6 | 31.7 | 5 | |
| over 50 years ago | 8.4 | 11 | 140.2 | 2 | 148.5 | 2 | |
| total | 34.9 | 5 | 1062.1 | 1 | 1097.0 | 1 | |
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