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avalanches SilvaProtect | |||||||||
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n/a | inside perimeter | outside perimeter | total | ||||||
economic region | degree of cover (aerial photo, 5 classes) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
Western Jura | 0-20% | 1.5 | 37 | 0.0 | . | 0.0 | . | 1.5 | 37 |
21-40% | 6.2 | 18 | 0.2 | 100 | 0.0 | . | 6.4 | 17 | |
41-60% | 15.8 | 11 | 0.2 | 100 | 0.4 | 71 | 16.4 | 10 | |
61-80% | 34.1 | 7 | 1.6 | 35 | 9.8 | 14 | 45.5 | 6 | |
over 80% | 61.1 | 4 | 2.6 | 27 | 17.4 | 10 | 81.1 | 3 | |
total | 118.6 | 2 | 4.6 | 20 | 27.6 | 7 | 150.8 | 1 | |
Eastern Jura | 0-20% | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.3 | 100 |
21-40% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | |
41-60% | 1.1 | 45 | 0.0 | . | 0.0 | . | 1.1 | 45 | |
61-80% | 10.8 | 12 | 0.0 | . | 1.5 | 37 | 12.3 | 11 | |
over 80% | 29.9 | 5 | 0.0 | . | 2.7 | 27 | 32.6 | 5 | |
total | 42.2 | 3 | 0.0 | . | 4.1 | 22 | 46.4 | 2 | |
Western Plateau | 0-20% | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.4 | 71 |
21-40% | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.8 | 50 | |
41-60% | 3.6 | 23 | 0.0 | . | 0.2 | 100 | 3.8 | 23 | |
61-80% | 8.8 | 14 | 0.0 | . | 1.7 | 35 | 10.5 | 13 | |
over 80% | 31.0 | 5 | 0.0 | . | 3.3 | 24 | 34.3 | 5 | |
total | 44.7 | 3 | 0.0 | . | 5.2 | 19 | 49.9 | 2 | |
Central Plateau | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.5 | 58 | 0.0 | . | 0.0 | . | 0.5 | 58 | |
41-60% | 1.2 | 37 | 0.0 | . | 0.2 | 100 | 1.4 | 35 | |
61-80% | 11.7 | 12 | 0.0 | . | 1.2 | 41 | 12.8 | 11 | |
over 80% | 47.0 | 4 | 0.0 | . | 8.1 | 15 | 55.1 | 3 | |
total | 60.5 | 2 | 0.0 | . | 9.4 | 13 | 69.9 | 1 | |
Eastern Plateau | 0-20% | 0.9 | 44 | 0.0 | . | 0.0 | . | 0.9 | 44 |
21-40% | 1.1 | 41 | 0.0 | . | 0.0 | . | 1.1 | 41 | |
41-60% | 4.9 | 19 | 0.0 | . | 0.2 | 100 | 5.1 | 18 | |
61-80% | 23.8 | 8 | 0.0 | . | 2.4 | 29 | 26.2 | 8 | |
over 80% | 72.1 | 3 | 0.0 | . | 2.9 | 26 | 75.0 | 3 | |
total | 102.8 | 1 | 0.0 | . | 5.5 | 19 | 108.2 | 1 | |
Western Pre-Alps | 0-20% | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 |
21-40% | 1.2 | 45 | 0.0 | . | 1.5 | 38 | 2.7 | 29 | |
41-60% | 4.6 | 21 | 0.6 | 58 | 4.0 | 22 | 9.3 | 14 | |
61-80% | 4.6 | 20 | 2.5 | 29 | 8.2 | 14 | 15.2 | 10 | |
over 80% | 6.6 | 16 | 1.4 | 35 | 7.3 | 15 | 15.3 | 9 | |
total | 17.1 | 9 | 4.5 | 20 | 21.2 | 8 | 42.7 | 3 | |
Central Pre-Alps | 0-20% | 0.6 | 58 | 0.2 | 100 | 0.6 | 58 | 1.3 | 37 |
21-40% | 3.8 | 22 | 0.0 | . | 0.8 | 50 | 4.6 | 20 | |
41-60% | 10.2 | 13 | 1.5 | 35 | 5.7 | 18 | 17.4 | 10 | |
61-80% | 17.5 | 10 | 1.9 | 31 | 18.6 | 10 | 38.0 | 6 | |
over 80% | 19.3 | 9 | 2.0 | 33 | 17.9 | 10 | 39.2 | 6 | |
total | 51.4 | 5 | 5.6 | 18 | 43.4 | 5 | 100.5 | 2 | |
Eastern Pre-Alps | 0-20% | 1.1 | 44 | 0.0 | . | 0.2 | 100 | 1.3 | 40 |
21-40% | 1.2 | 41 | 0.2 | 100 | 0.7 | 57 | 2.1 | 32 | |
41-60% | 4.7 | 20 | 0.4 | 71 | 3.7 | 24 | 8.8 | 15 | |
61-80% | 12.3 | 12 | 0.4 | 71 | 10.3 | 13 | 23.0 | 8 | |
over 80% | 15.1 | 10 | 1.7 | 33 | 19.4 | 8 | 36.2 | 5 | |
total | 34.4 | 6 | 2.7 | 26 | 34.3 | 6 | 71.4 | 2 | |
Northwestern Alps | 0-20% | 1.2 | 40 | 0.4 | 70 | 0.8 | 50 | 2.5 | 28 |
21-40% | 3.1 | 25 | 0.6 | 58 | 1.4 | 37 | 5.2 | 19 | |
41-60% | 5.1 | 19 | 2.3 | 30 | 6.9 | 16 | 14.4 | 11 | |
61-80% | 6.6 | 17 | 4.0 | 22 | 8.2 | 15 | 18.8 | 9 | |
over 80% | 4.8 | 20 | 3.0 | 25 | 7.3 | 15 | 15.1 | 10 | |
total | 20.8 | 9 | 10.3 | 13 | 24.8 | 7 | 55.9 | 3 | |
Central Alps | 0-20% | 0.8 | 50 | 0.0 | . | 0.4 | 71 | 1.2 | 40 |
21-40% | 1.9 | 31 | 0.8 | 50 | 0.0 | . | 2.7 | 26 | |
41-60% | 2.3 | 27 | 0.9 | 44 | 1.2 | 40 | 4.4 | 19 | |
61-80% | 3.0 | 25 | 2.3 | 28 | 2.8 | 26 | 8.1 | 14 | |
over 80% | 3.3 | 22 | 1.3 | 37 | 3.3 | 23 | 8.0 | 12 | |
total | 11.3 | 11 | 5.4 | 17 | 7.6 | 14 | 24.3 | 4 | |
Northeastern Alps | 0-20% | 0.2 | 100 | 0.2 | 100 | 0.4 | 70 | 0.7 | 49 |
21-40% | 1.3 | 37 | 0.6 | 56 | 0.8 | 51 | 2.7 | 26 | |
41-60% | 2.7 | 26 | 1.1 | 41 | 3.0 | 24 | 6.8 | 15 | |
61-80% | 2.4 | 29 | 1.8 | 33 | 4.3 | 20 | 8.5 | 14 | |
over 80% | 3.1 | 25 | 2.9 | 26 | 5.4 | 17 | 11.4 | 11 | |
total | 9.7 | 13 | 6.6 | 16 | 13.8 | 10 | 30.0 | 4 | |
Southwestern Alps | 0-20% | 1.7 | 35 | 0.4 | 71 | 1.5 | 35 | 3.6 | 23 |
21-40% | 5.1 | 20 | 2.7 | 26 | 6.1 | 18 | 13.9 | 11 | |
41-60% | 10.6 | 13 | 5.1 | 19 | 11.4 | 13 | 27.1 | 8 | |
61-80% | 6.2 | 18 | 10.0 | 13 | 19.8 | 9 | 36.0 | 6 | |
over 80% | 5.2 | 19 | 5.4 | 18 | 14.7 | 11 | 25.3 | 8 | |
total | 28.8 | 7 | 23.5 | 8 | 53.6 | 5 | 105.9 | 2 | |
Southeastern Alps | 0-20% | 1.0 | 45 | 0.2 | 100 | 1.2 | 41 | 2.4 | 29 |
21-40% | 10.8 | 13 | 2.5 | 29 | 10.5 | 13 | 23.8 | 9 | |
41-60% | 19.2 | 10 | 5.0 | 20 | 18.6 | 10 | 42.8 | 6 | |
61-80% | 19.7 | 10 | 7.6 | 16 | 18.4 | 10 | 45.7 | 6 | |
over 80% | 8.8 | 15 | 2.5 | 27 | 10.6 | 13 | 21.9 | 9 | |
total | 59.5 | 5 | 17.8 | 10 | 59.3 | 5 | 136.6 | 2 | |
Southern Alps | 0-20% | 0.8 | 50 | 0.0 | . | 1.0 | 45 | 1.8 | 33 |
21-40% | 2.9 | 26 | 1.4 | 38 | 6.2 | 17 | 10.5 | 13 | |
41-60% | 5.7 | 18 | 4.5 | 21 | 16.5 | 10 | 26.7 | 8 | |
61-80% | 9.3 | 14 | 4.7 | 20 | 28.7 | 8 | 42.7 | 6 | |
over 80% | 6.9 | 17 | 2.1 | 30 | 45.9 | 5 | 54.9 | 5 | |
total | 25.6 | 8 | 12.7 | 12 | 98.3 | 3 | 136.6 | 2 | |
Switzerland | 0-20% | 10.4 | 14 | 1.4 | 38 | 6.3 | 18 | 18.0 | 10 |
21-40% | 40.2 | 7 | 8.9 | 15 | 28.0 | 8 | 77.1 | 5 | |
41-60% | 91.8 | 4 | 21.5 | 9 | 72.1 | 5 | 185.4 | 3 | |
61-80% | 170.8 | 3 | 36.9 | 7 | 135.7 | 4 | 343.4 | 2 | |
over 80% | 314.2 | 2 | 25.0 | 9 | 166.1 | 3 | 505.3 | 1 | |
total | 627.4 | 1 | 93.6 | 4 | 408.2 | 2 | 1129.2 | 1 |
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