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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% | 1.3 | 40 | 0.0 | . | 0.0 | . | 1.3 | 40 |
21-40% | 2.7 | 27 | 0.0 | . | 0.2 | 100 | 2.9 | 26 | |
41-60% | 7.9 | 15 | 0.2 | 100 | 1.0 | 45 | 9.1 | 14 | |
61-80% | 17.2 | 10 | 0.8 | 50 | 3.1 | 25 | 21.1 | 9 | |
over 80% | 89.4 | 3 | 3.6 | 23 | 23.0 | 8 | 116.0 | 2 | |
total | 118.6 | 2 | 4.6 | 20 | 27.2 | 7 | 150.5 | 1 | |
Eastern Jura | 0-20% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 |
21-40% | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.3 | 100 | |
41-60% | 0.7 | 58 | 0.0 | . | 0.0 | . | 0.7 | 58 | |
61-80% | 1.4 | 39 | 0.0 | . | 0.0 | . | 1.4 | 39 | |
over 80% | 39.9 | 3 | 0.0 | . | 4.1 | 22 | 44.0 | 2 | |
total | 42.4 | 3 | 0.0 | . | 4.1 | 22 | 46.6 | 2 | |
Western Plateau | 0-20% | 0.8 | 49 | 0.0 | . | 0.0 | . | 0.8 | 49 |
21-40% | 0.8 | 49 | 0.0 | . | 0.0 | . | 0.8 | 49 | |
41-60% | 2.9 | 26 | 0.0 | . | 0.0 | . | 2.9 | 26 | |
61-80% | 3.7 | 23 | 0.0 | . | 0.7 | 58 | 4.3 | 21 | |
over 80% | 35.9 | 4 | 0.0 | . | 4.3 | 21 | 40.2 | 4 | |
total | 44.1 | 3 | 0.0 | . | 5.0 | 19 | 49.1 | 2 | |
Central Plateau | 0-20% | 0.5 | 58 | 0.0 | . | 0.0 | . | 0.5 | 58 |
21-40% | 1.1 | 44 | 0.0 | . | 0.0 | . | 1.1 | 44 | |
41-60% | 1.0 | 45 | 0.0 | . | 0.2 | 100 | 1.2 | 40 | |
61-80% | 5.3 | 19 | 0.0 | . | 0.5 | 58 | 5.8 | 18 | |
over 80% | 51.8 | 3 | 0.0 | . | 8.7 | 14 | 60.5 | 2 | |
total | 59.7 | 3 | 0.0 | . | 9.4 | 13 | 69.1 | 1 | |
Eastern Plateau | 0-20% | 1.0 | 44 | 0.0 | . | 0.0 | . | 1.0 | 44 |
21-40% | 1.7 | 34 | 0.0 | . | 0.0 | . | 1.7 | 34 | |
41-60% | 2.0 | 31 | 0.0 | . | 0.0 | . | 2.0 | 31 | |
61-80% | 5.7 | 18 | 0.0 | . | 0.3 | 71 | 6.1 | 17 | |
over 80% | 91.7 | 2 | 0.0 | . | 5.1 | 19 | 96.8 | 2 | |
total | 102.1 | 1 | 0.0 | . | 5.5 | 19 | 107.6 | 1 | |
Western Pre-Alps | 0-20% | 0.6 | 70 | 0.3 | 100 | 0.8 | 58 | 1.6 | 39 |
21-40% | 0.6 | 70 | 0.3 | 100 | 0.3 | 100 | 1.1 | 48 | |
41-60% | 3.3 | 26 | 0.7 | 50 | 3.7 | 24 | 7.7 | 15 | |
61-80% | 3.9 | 22 | 0.8 | 50 | 4.4 | 20 | 9.1 | 14 | |
over 80% | 9.2 | 13 | 2.4 | 27 | 12.2 | 11 | 23.8 | 6 | |
total | 17.6 | 9 | 4.5 | 20 | 21.3 | 8 | 43.3 | 3 | |
Central Pre-Alps | 0-20% | 0.6 | 58 | 0.0 | . | 0.6 | 57 | 1.1 | 40 |
21-40% | 2.7 | 26 | 0.4 | 71 | 0.8 | 50 | 3.8 | 22 | |
41-60% | 5.5 | 18 | 0.7 | 50 | 1.5 | 35 | 7.7 | 15 | |
61-80% | 10.9 | 13 | 0.9 | 44 | 8.1 | 15 | 19.9 | 9 | |
over 80% | 31.6 | 7 | 3.6 | 24 | 31.7 | 7 | 66.8 | 3 | |
total | 51.2 | 5 | 5.6 | 18 | 42.6 | 5 | 99.4 | 2 | |
Eastern Pre-Alps | 0-20% | 1.0 | 45 | 0.0 | . | 0.7 | 57 | 1.7 | 35 |
21-40% | 1.6 | 35 | 0.0 | . | 0.9 | 49 | 2.5 | 29 | |
41-60% | 3.5 | 24 | 0.4 | 71 | 2.6 | 28 | 6.5 | 17 | |
61-80% | 8.0 | 15 | 0.2 | 100 | 5.0 | 20 | 13.2 | 11 | |
over 80% | 21.9 | 8 | 2.1 | 30 | 24.4 | 7 | 48.5 | 4 | |
total | 36.1 | 6 | 2.7 | 26 | 33.5 | 6 | 72.3 | 2 | |
Northwestern Alps | 0-20% | 1.4 | 38 | 0.6 | 57 | 1.0 | 44 | 3.0 | 25 |
21-40% | 3.2 | 25 | 0.4 | 71 | 1.0 | 44 | 4.7 | 20 | |
41-60% | 4.8 | 20 | 0.4 | 71 | 3.1 | 25 | 8.3 | 15 | |
61-80% | 5.0 | 20 | 2.3 | 30 | 7.0 | 16 | 14.3 | 11 | |
over 80% | 9.3 | 14 | 6.7 | 16 | 12.6 | 11 | 28.7 | 6 | |
total | 23.7 | 8 | 10.4 | 13 | 24.8 | 7 | 58.9 | 3 | |
Central Alps | 0-20% | 0.6 | 58 | 0.2 | 100 | 0.4 | 71 | 1.2 | 41 |
21-40% | 2.1 | 30 | 0.0 | . | 0.0 | . | 2.1 | 30 | |
41-60% | 2.0 | 30 | 0.4 | 71 | 0.8 | 50 | 3.2 | 24 | |
61-80% | 2.7 | 25 | 1.5 | 35 | 1.4 | 37 | 5.7 | 17 | |
over 80% | 4.6 | 18 | 3.1 | 24 | 5.5 | 17 | 13.2 | 8 | |
total | 12.1 | 11 | 5.2 | 18 | 8.1 | 13 | 25.4 | 4 | |
Northeastern Alps | 0-20% | 0.0 | . | 0.0 | . | 0.9 | 43 | 0.9 | 43 |
21-40% | 1.4 | 38 | 0.4 | 71 | 0.8 | 51 | 2.6 | 27 | |
41-60% | 1.7 | 33 | 0.5 | 58 | 1.9 | 31 | 4.1 | 20 | |
61-80% | 2.7 | 27 | 1.4 | 38 | 2.7 | 26 | 6.8 | 16 | |
over 80% | 3.7 | 21 | 4.3 | 21 | 7.5 | 14 | 15.4 | 8 | |
total | 9.5 | 13 | 6.6 | 16 | 13.8 | 10 | 29.8 | 5 | |
Southwestern Alps | 0-20% | 1.0 | 45 | 0.2 | 100 | 1.0 | 45 | 2.2 | 30 |
21-40% | 8.2 | 15 | 1.0 | 45 | 3.0 | 26 | 12.2 | 13 | |
41-60% | 7.8 | 16 | 4.3 | 21 | 8.3 | 15 | 20.5 | 9 | |
61-80% | 7.9 | 16 | 5.6 | 18 | 14.9 | 11 | 28.4 | 7 | |
over 80% | 9.3 | 14 | 12.6 | 12 | 28.6 | 7 | 50.5 | 5 | |
total | 34.3 | 7 | 23.7 | 8 | 55.8 | 4 | 113.8 | 2 | |
Southeastern Alps | 0-20% | 2.4 | 29 | 0.2 | 100 | 1.2 | 41 | 3.8 | 23 |
21-40% | 7.3 | 16 | 1.2 | 41 | 6.8 | 17 | 15.4 | 11 | |
41-60% | 13.9 | 12 | 3.2 | 25 | 13.7 | 12 | 30.8 | 7 | |
61-80% | 17.8 | 10 | 7.9 | 15 | 17.6 | 10 | 43.4 | 6 | |
over 80% | 22.1 | 9 | 6.4 | 17 | 21.0 | 9 | 49.5 | 5 | |
total | 63.5 | 5 | 19.0 | 10 | 60.3 | 5 | 142.8 | 2 | |
Southern Alps | 0-20% | 1.0 | 45 | 0.4 | 71 | 2.1 | 31 | 3.4 | 24 |
21-40% | 5.1 | 19 | 0.8 | 50 | 3.5 | 23 | 9.3 | 14 | |
41-60% | 6.0 | 18 | 1.4 | 38 | 8.1 | 15 | 15.5 | 11 | |
61-80% | 8.2 | 15 | 3.8 | 22 | 19.1 | 10 | 31.2 | 7 | |
over 80% | 11.7 | 13 | 7.1 | 16 | 71.7 | 4 | 90.4 | 3 | |
total | 32.0 | 7 | 13.4 | 11 | 104.5 | 3 | 150.0 | 2 | |
Switzerland | 0-20% | 12.4 | 13 | 1.9 | 33 | 8.5 | 15 | 22.8 | 9 |
21-40% | 38.8 | 7 | 4.5 | 21 | 17.3 | 11 | 60.6 | 6 | |
41-60% | 63.1 | 5 | 12.2 | 13 | 44.9 | 6 | 120.2 | 4 | |
61-80% | 100.5 | 4 | 25.3 | 9 | 84.9 | 5 | 210.7 | 3 | |
over 80% | 432.1 | 1 | 51.8 | 6 | 260.4 | 2 | 744.3 | 1 | |
total | 646.9 | 1 | 95.7 | 4 | 415.9 | 2 | 1158.5 | 1 |
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