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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% | 1.7 | 35 | 0.0 | . | 0.0 | . | 1.7 | 35 |
21-40% | 3.0 | 26 | 0.2 | 100 | 0.0 | . | 3.1 | 25 | |
41-60% | 10.4 | 13 | 0.2 | 100 | 0.4 | 71 | 10.9 | 13 | |
61-80% | 26.9 | 8 | 1.0 | 45 | 4.1 | 22 | 31.9 | 7 | |
over 80% | 78.7 | 3 | 3.3 | 24 | 22.9 | 8 | 104.9 | 2 | |
total | 120.6 | 2 | 4.6 | 20 | 27.4 | 7 | 152.7 | 1 | |
Eastern Jura | 0-20% | 0.8 | 47 | 0.0 | . | 0.0 | . | 0.8 | 47 |
21-40% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | |
41-60% | 1.3 | 41 | 0.0 | . | 0.2 | 100 | 1.5 | 37 | |
61-80% | 4.2 | 22 | 0.0 | . | 0.5 | 71 | 4.7 | 21 | |
over 80% | 36.7 | 4 | 0.0 | . | 3.5 | 23 | 40.2 | 3 | |
total | 43.2 | 3 | 0.0 | . | 4.1 | 22 | 47.4 | 2 | |
Western Plateau | 0-20% | 1.0 | 43 | 0.0 | . | 0.0 | . | 1.0 | 43 |
21-40% | 0.6 | 57 | 0.0 | . | 0.0 | . | 0.6 | 57 | |
41-60% | 4.0 | 20 | 0.0 | . | 0.0 | . | 4.0 | 20 | |
61-80% | 7.7 | 15 | 0.0 | . | 0.9 | 50 | 8.6 | 14 | |
over 80% | 31.0 | 5 | 0.0 | . | 4.1 | 21 | 35.1 | 4 | |
total | 44.3 | 3 | 0.0 | . | 5.0 | 19 | 49.2 | 2 | |
Central Plateau | 0-20% | 0.9 | 48 | 0.0 | . | 0.2 | 100 | 1.1 | 43 |
21-40% | 0.7 | 56 | 0.0 | . | 0.0 | . | 0.7 | 56 | |
41-60% | 4.0 | 21 | 0.0 | . | 0.2 | 100 | 4.2 | 20 | |
61-80% | 11.7 | 12 | 0.0 | . | 1.4 | 37 | 13.1 | 11 | |
over 80% | 42.7 | 4 | 0.0 | . | 7.8 | 15 | 50.5 | 3 | |
total | 60.0 | 2 | 0.0 | . | 9.6 | 13 | 69.7 | 1 | |
Eastern Plateau | 0-20% | 0.9 | 49 | 0.0 | . | 0.0 | . | 0.9 | 49 |
21-40% | 2.9 | 25 | 0.0 | . | 0.0 | . | 2.9 | 25 | |
41-60% | 3.2 | 24 | 0.0 | . | 0.0 | . | 3.2 | 24 | |
61-80% | 16.2 | 10 | 0.0 | . | 0.4 | 71 | 16.6 | 10 | |
over 80% | 80.3 | 2 | 0.0 | . | 5.1 | 19 | 85.3 | 2 | |
total | 103.4 | 1 | 0.0 | . | 5.5 | 19 | 108.9 | 1 | |
Western Pre-Alps | 0-20% | 0.3 | 100 | 0.0 | . | 0.3 | 100 | 0.6 | 70 |
21-40% | 1.6 | 38 | 0.5 | 72 | 1.6 | 38 | 3.7 | 24 | |
41-60% | 3.5 | 25 | 0.9 | 45 | 2.6 | 28 | 7.0 | 16 | |
61-80% | 4.7 | 20 | 1.4 | 38 | 7.3 | 16 | 13.5 | 11 | |
over 80% | 8.2 | 14 | 1.7 | 33 | 9.5 | 12 | 19.4 | 6 | |
total | 18.4 | 9 | 4.5 | 20 | 21.3 | 8 | 44.2 | 3 | |
Central Pre-Alps | 0-20% | 1.2 | 41 | 0.0 | . | 0.6 | 57 | 1.7 | 33 |
21-40% | 1.7 | 33 | 0.0 | . | 1.5 | 35 | 3.3 | 24 | |
41-60% | 11.0 | 12 | 1.4 | 38 | 2.4 | 27 | 14.9 | 10 | |
61-80% | 18.0 | 10 | 1.7 | 33 | 14.1 | 11 | 33.8 | 6 | |
over 80% | 22.5 | 9 | 2.6 | 27 | 24.6 | 8 | 49.8 | 4 | |
total | 54.4 | 5 | 5.8 | 18 | 43.2 | 5 | 103.4 | 2 | |
Eastern Pre-Alps | 0-20% | 0.2 | 100 | 0.0 | . | 0.4 | 70 | 0.6 | 57 |
21-40% | 3.4 | 25 | 0.0 | . | 1.0 | 44 | 4.4 | 21 | |
41-60% | 5.5 | 19 | 0.0 | . | 2.5 | 28 | 8.0 | 15 | |
61-80% | 9.7 | 13 | 0.7 | 50 | 6.9 | 17 | 17.3 | 10 | |
over 80% | 19.6 | 9 | 1.9 | 31 | 22.9 | 8 | 44.4 | 4 | |
total | 38.3 | 6 | 2.7 | 26 | 33.8 | 6 | 74.8 | 2 | |
Northwestern Alps | 0-20% | 0.0 | . | 0.8 | 50 | 0.8 | 49 | 1.6 | 34 |
21-40% | 2.2 | 30 | 0.6 | 58 | 1.4 | 37 | 4.3 | 21 | |
41-60% | 5.8 | 18 | 1.2 | 41 | 3.6 | 24 | 10.5 | 13 | |
61-80% | 8.9 | 14 | 2.8 | 26 | 5.9 | 18 | 17.6 | 9 | |
over 80% | 8.9 | 14 | 4.9 | 20 | 13.5 | 11 | 27.3 | 6 | |
total | 25.8 | 8 | 10.4 | 13 | 25.2 | 7 | 61.4 | 3 | |
Central Alps | 0-20% | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 |
21-40% | 1.6 | 35 | 0.4 | 70 | 0.4 | 71 | 2.4 | 28 | |
41-60% | 2.9 | 25 | 0.4 | 71 | 1.6 | 35 | 4.9 | 18 | |
61-80% | 4.1 | 21 | 1.5 | 35 | 1.9 | 31 | 7.6 | 14 | |
over 80% | 4.1 | 20 | 3.1 | 24 | 4.7 | 18 | 11.9 | 9 | |
total | 12.7 | 10 | 5.6 | 17 | 8.6 | 13 | 26.9 | 4 | |
Northeastern Alps | 0-20% | 0.0 | . | 0.0 | . | 0.5 | 57 | 0.5 | 57 |
21-40% | 1.9 | 31 | 0.4 | 71 | 0.5 | 57 | 2.8 | 25 | |
41-60% | 3.0 | 26 | 0.3 | 71 | 2.1 | 30 | 5.4 | 18 | |
61-80% | 2.9 | 26 | 2.0 | 32 | 3.2 | 24 | 8.0 | 14 | |
over 80% | 3.6 | 22 | 4.1 | 21 | 8.0 | 13 | 15.7 | 8 | |
total | 11.4 | 12 | 6.8 | 16 | 14.3 | 9 | 32.5 | 4 | |
Southwestern Alps | 0-20% | 1.0 | 45 | 0.0 | . | 0.6 | 58 | 1.6 | 35 |
21-40% | 7.2 | 17 | 1.2 | 41 | 3.5 | 24 | 11.9 | 13 | |
41-60% | 12.4 | 12 | 5.7 | 18 | 10.9 | 13 | 29.0 | 8 | |
61-80% | 11.1 | 13 | 8.1 | 15 | 21.3 | 9 | 40.6 | 6 | |
over 80% | 8.4 | 15 | 8.8 | 14 | 20.7 | 9 | 37.9 | 6 | |
total | 40.2 | 6 | 23.9 | 8 | 57.0 | 4 | 121.1 | 2 | |
Southeastern Alps | 0-20% | 1.6 | 35 | 0.0 | . | 0.4 | 71 | 2.0 | 32 |
21-40% | 9.9 | 14 | 1.2 | 41 | 5.9 | 18 | 17.0 | 10 | |
41-60% | 19.4 | 10 | 6.0 | 18 | 18.4 | 10 | 43.9 | 6 | |
61-80% | 24.0 | 8 | 7.4 | 16 | 22.9 | 9 | 54.4 | 5 | |
over 80% | 14.6 | 11 | 4.7 | 20 | 15.0 | 10 | 34.4 | 6 | |
total | 69.5 | 4 | 19.4 | 9 | 62.7 | 4 | 151.6 | 2 | |
Southern Alps | 0-20% | 1.2 | 41 | 0.0 | . | 1.0 | 45 | 2.2 | 30 |
21-40% | 5.1 | 19 | 0.6 | 58 | 3.3 | 24 | 9.0 | 14 | |
41-60% | 8.6 | 15 | 2.7 | 27 | 9.2 | 14 | 20.5 | 9 | |
61-80% | 8.6 | 15 | 4.1 | 22 | 25.5 | 8 | 38.2 | 6 | |
over 80% | 14.0 | 11 | 6.1 | 18 | 68.3 | 4 | 88.3 | 3 | |
total | 37.5 | 7 | 13.4 | 11 | 107.3 | 3 | 158.3 | 2 | |
Switzerland | 0-20% | 10.7 | 14 | 1.0 | 44 | 4.9 | 20 | 16.6 | 11 |
21-40% | 41.9 | 7 | 5.1 | 20 | 19.2 | 10 | 66.2 | 5 | |
41-60% | 95.0 | 4 | 18.9 | 10 | 54.1 | 6 | 168.0 | 3 | |
61-80% | 158.8 | 3 | 30.8 | 8 | 116.3 | 4 | 306.0 | 2 | |
over 80% | 373.2 | 2 | 41.3 | 7 | 230.6 | 2 | 645.1 | 1 | |
total | 679.7 | 1 | 97.1 | 4 | 425.1 | 2 | 1201.9 | 1 |
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