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avalanches SilvaProtect, modelled and assigned | |||||||
---|---|---|---|---|---|---|---|
inside perimeter | outside perimeter | total | |||||
economic region | time of last treatment (classes of 10 years) | % | ± | % | ± | % | ± |
Western Jura | less than 10 years ago | 30.7 | 12.8 | 54.4 | 2.4 | 53.7 | 2.4 |
11-20 years ago | 23.3 | 11.8 | 22.7 | 2.1 | 22.7 | 2.0 | |
21-30 years ago | 15.3 | 10.0 | 8.7 | 1.4 | 8.9 | 1.4 | |
31-40 years ago | 23.0 | 11.7 | 5.3 | 1.1 | 5.8 | 1.1 | |
41-50 years ago | . | . | 4.4 | 1.0 | 4.2 | 1.0 | |
over 50 years ago | 7.7 | 7.4 | 4.6 | 1.0 | 4.7 | 1.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Eastern Jura | less than 10 years ago | . | . | 55.0 | 4.5 | 55.0 | 4.5 |
11-20 years ago | . | . | 30.4 | 4.2 | 30.4 | 4.2 | |
21-30 years ago | . | . | 4.9 | 2.0 | 4.9 | 2.0 | |
31-40 years ago | . | . | 3.3 | 1.6 | 3.3 | 1.6 | |
41-50 years ago | . | . | 2.3 | 1.3 | 2.3 | 1.3 | |
over 50 years ago | . | . | 4.1 | 1.8 | 4.1 | 1.8 | |
total | . | . | 100.0 | . | 100.0 | . | |
Western Plateau | less than 10 years ago | . | . | 64.5 | 4.4 | 64.5 | 4.4 |
11-20 years ago | . | . | 15.2 | 3.3 | 15.2 | 3.3 | |
21-30 years ago | . | . | 8.4 | 2.6 | 8.4 | 2.6 | |
31-40 years ago | . | . | 3.4 | 1.7 | 3.4 | 1.7 | |
41-50 years ago | . | . | 4.3 | 1.9 | 4.3 | 1.9 | |
over 50 years ago | . | . | 4.3 | 1.9 | 4.3 | 1.9 | |
total | . | . | 100.0 | . | 100.0 | . | |
Central Plateau | less than 10 years ago | . | . | 77.7 | 2.8 | 77.7 | 2.8 |
11-20 years ago | . | . | 15.1 | 2.4 | 15.1 | 2.4 | |
21-30 years ago | . | . | 3.2 | 1.2 | 3.2 | 1.2 | |
31-40 years ago | . | . | 2.3 | 1.0 | 2.3 | 1.0 | |
41-50 years ago | . | . | . | . | . | . | |
over 50 years ago | . | . | 1.8 | 0.9 | 1.8 | 0.9 | |
total | . | . | 100.0 | . | 100.0 | . | |
Eastern Plateau | less than 10 years ago | . | . | 77.6 | 2.4 | 77.6 | 2.4 |
11-20 years ago | . | . | 12.8 | 1.9 | 12.8 | 1.9 | |
21-30 years ago | . | . | 6.4 | 1.4 | 6.4 | 1.4 | |
31-40 years ago | . | . | 1.9 | 0.8 | 1.9 | 0.8 | |
41-50 years ago | . | . | 0.3 | 0.3 | 0.3 | 0.3 | |
over 50 years ago | . | . | 1.0 | 0.6 | 1.0 | 0.6 | |
total | . | . | 100.0 | . | 100.0 | . | |
Western Pre-Alps | less than 10 years ago | 44.7 | 16.6 | 38.4 | 4.6 | 38.9 | 4.4 |
11-20 years ago | 10.6 | 10.1 | 22.3 | 4.0 | 21.5 | 3.7 | |
21-30 years ago | 11.2 | 10.6 | 11.5 | 3.0 | 11.5 | 2.9 | |
31-40 years ago | 11.2 | 10.6 | 10.7 | 2.9 | 10.8 | 2.8 | |
41-50 years ago | 22.3 | 14.0 | 6.3 | 2.3 | 7.5 | 2.4 | |
over 50 years ago | . | . | 10.7 | 2.9 | 9.9 | 2.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Central Pre-Alps | less than 10 years ago | 10.5 | 7.1 | 49.4 | 3.1 | 46.7 | 3.0 |
11-20 years ago | 36.8 | 11.1 | 24.9 | 2.7 | 25.7 | 2.7 | |
21-30 years ago | 15.8 | 8.4 | 7.5 | 1.7 | 8.1 | 1.7 | |
31-40 years ago | 5.3 | 5.1 | 5.9 | 1.5 | 5.9 | 1.4 | |
41-50 years ago | 5.3 | 5.1 | 4.7 | 1.3 | 4.8 | 1.3 | |
over 50 years ago | 26.3 | 10.1 | 7.5 | 1.7 | 8.8 | 1.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Eastern Pre-Alps | less than 10 years ago | 25.0 | 15.3 | 43.9 | 3.5 | 43.2 | 3.5 |
11-20 years ago | 12.5 | 11.7 | 25.8 | 3.1 | 25.2 | 3.0 | |
21-30 years ago | 12.5 | 11.7 | 8.1 | 1.9 | 8.3 | 1.9 | |
31-40 years ago | . | . | 8.6 | 2.0 | 8.3 | 1.9 | |
41-50 years ago | 50.0 | 17.7 | 3.0 | 1.2 | 4.9 | 1.5 | |
over 50 years ago | . | . | 10.6 | 2.2 | 10.2 | 2.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Northwestern Alps | less than 10 years ago | 46.7 | 9.1 | 28.9 | 3.8 | 32.0 | 3.6 |
11-20 years ago | 6.7 | 4.6 | 18.3 | 3.3 | 16.3 | 2.8 | |
21-30 years ago | 26.7 | 8.1 | 16.2 | 3.1 | 18.0 | 2.9 | |
31-40 years ago | 3.3 | 3.3 | 6.3 | 2.0 | 5.8 | 1.8 | |
41-50 years ago | 6.7 | 4.6 | 7.7 | 2.2 | 7.5 | 2.0 | |
over 50 years ago | 10.0 | 5.5 | 22.5 | 3.5 | 20.4 | 3.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Central Alps | less than 10 years ago | 26.7 | 11.5 | 33.2 | 6.0 | 32.0 | 5.3 |
11-20 years ago | 20.0 | 10.4 | 11.0 | 3.9 | 12.7 | 3.8 | |
21-30 years ago | 13.3 | 8.8 | 12.9 | 4.3 | 13.0 | 3.8 | |
31-40 years ago | 13.3 | 8.8 | 9.4 | 3.7 | 10.2 | 3.4 | |
41-50 years ago | 6.7 | 6.5 | 6.4 | 3.1 | 6.5 | 2.8 | |
over 50 years ago | 20.0 | 10.4 | 27.0 | 5.6 | 25.7 | 5.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Northeastern Alps | less than 10 years ago | 33.3 | 11.1 | 28.2 | 5.4 | 29.2 | 4.8 |
11-20 years ago | 22.2 | 9.8 | 23.9 | 5.1 | 23.6 | 4.5 | |
21-30 years ago | 11.1 | 7.4 | 18.3 | 4.6 | 16.9 | 4.0 | |
31-40 years ago | 5.6 | 5.4 | 5.6 | 2.7 | 5.6 | 2.4 | |
41-50 years ago | 5.6 | 5.4 | 4.2 | 2.4 | 4.5 | 2.2 | |
over 50 years ago | 22.3 | 9.8 | 19.7 | 4.7 | 20.2 | 4.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Southwestern Alps | less than 10 years ago | 19.2 | 4.6 | 23.3 | 2.7 | 22.3 | 2.3 |
11-20 years ago | 17.8 | 4.5 | 13.5 | 2.2 | 14.5 | 2.0 | |
21-30 years ago | 12.3 | 3.8 | 7.7 | 1.7 | 8.8 | 1.6 | |
31-40 years ago | 6.8 | 3.0 | 6.5 | 1.6 | 6.6 | 1.4 | |
41-50 years ago | 6.9 | 3.0 | 10.2 | 1.9 | 9.5 | 1.6 | |
over 50 years ago | 37.0 | 5.7 | 38.8 | 3.1 | 38.3 | 2.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Southeastern Alps | less than 10 years ago | 14.0 | 4.9 | 24.0 | 2.3 | 22.8 | 2.1 |
11-20 years ago | 24.0 | 6.0 | 19.4 | 2.1 | 20.0 | 2.0 | |
21-30 years ago | 14.0 | 4.9 | 16.2 | 2.0 | 15.9 | 1.8 | |
31-40 years ago | 12.0 | 4.6 | 11.7 | 1.7 | 11.7 | 1.6 | |
41-50 years ago | 10.0 | 4.2 | 5.9 | 1.3 | 6.4 | 1.2 | |
over 50 years ago | 26.0 | 6.2 | 22.8 | 2.2 | 23.2 | 2.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Southern Alps | less than 10 years ago | 10.3 | 4.9 | 9.9 | 1.6 | 10.0 | 1.5 |
11-20 years ago | 7.7 | 4.3 | 7.3 | 1.3 | 7.3 | 1.3 | |
21-30 years ago | 10.2 | 4.9 | 9.1 | 1.5 | 9.2 | 1.4 | |
31-40 years ago | 7.7 | 4.3 | 8.0 | 1.4 | 8.0 | 1.3 | |
41-50 years ago | 5.1 | 3.5 | 6.7 | 1.3 | 6.5 | 1.2 | |
over 50 years ago | 59.0 | 7.9 | 59.0 | 2.5 | 59.0 | 2.4 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | |
Switzerland | less than 10 years ago | 22.4 | 2.5 | 43.3 | 0.8 | 41.6 | 0.8 |
11-20 years ago | 17.9 | 2.3 | 18.1 | 0.7 | 18.1 | 0.7 | |
21-30 years ago | 14.2 | 2.1 | 9.4 | 0.5 | 9.8 | 0.5 | |
31-40 years ago | 8.4 | 1.7 | 6.4 | 0.4 | 6.5 | 0.4 | |
41-50 years ago | 8.4 | 1.7 | 4.7 | 0.4 | 5.0 | 0.4 | |
over 50 years ago | 28.7 | 2.7 | 18.1 | 0.6 | 19.0 | 0.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . |
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