Search legacy data
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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
avalanches SilvaProtect | time of last treatment (classes of 10 years) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
n/a | n/a | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 |
less than 10 years ago | 246.8 | 2 | 38.1 | 7 | 20.5 | 9 | 7.3 | 16 | 15.4 | 11 | 4.4 | 21 | 332.4 | 2 | |
11-20 years ago | 65.1 | 5 | 19.9 | 10 | 12.4 | 12 | 4.0 | 22 | 12.1 | 12 | 2.8 | 27 | 116.2 | 4 | |
21-30 years ago | 24.0 | 9 | 8.9 | 15 | 6.8 | 17 | 2.2 | 30 | 8.8 | 15 | 2.7 | 27 | 53.4 | 6 | |
31-40 years ago | 12.9 | 12 | 6.5 | 17 | 4.4 | 21 | 3.6 | 23 | 7.1 | 16 | 4.1 | 22 | 38.7 | 7 | |
41-50 years ago | 7.5 | 16 | 6.2 | 18 | 2.8 | 26 | 3.0 | 26 | 4.0 | 22 | 2.6 | 28 | 26.1 | 9 | |
over 50 years ago | 9.7 | 14 | 13.2 | 12 | 10.5 | 13 | 14.2 | 11 | 16.2 | 11 | 15.3 | 11 | 79.1 | 5 | |
total | 366.3 | 1 | 92.7 | 4 | 57.4 | 5 | 34.3 | 7 | 63.5 | 5 | 32.0 | 7 | 646.3 | 1 | |
inside perimeter | n/a | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
less than 10 years ago | 1.6 | 35 | 7.2 | 16 | 4.0 | 22 | 5.2 | 19 | 3.2 | 25 | 1.3 | 38 | 22.6 | 9 | |
11-20 years ago | 0.6 | 58 | 4.6 | 21 | 2.7 | 27 | 4.3 | 21 | 3.9 | 22 | 0.6 | 58 | 16.6 | 11 | |
21-30 years ago | 0.8 | 50 | 3.2 | 25 | 1.7 | 33 | 2.3 | 28 | 3.0 | 26 | 1.2 | 41 | 12.3 | 13 | |
31-40 years ago | 1.0 | 44 | 1.4 | 38 | 0.9 | 45 | 2.0 | 31 | 2.4 | 29 | 1.2 | 41 | 8.9 | 15 | |
41-50 years ago | 0.0 | . | 1.2 | 41 | 2.0 | 31 | 1.8 | 33 | 1.9 | 32 | 1.4 | 38 | 8.2 | 15 | |
over 50 years ago | 0.6 | 58 | 2.8 | 27 | 3.3 | 25 | 8.2 | 15 | 4.5 | 21 | 7.8 | 15 | 27.1 | 8 | |
total | 4.7 | 20 | 20.4 | 9 | 14.6 | 11 | 23.7 | 8 | 19.0 | 10 | 13.4 | 11 | 95.8 | 4 | |
outside perimeter | n/a | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
less than 10 years ago | 27.4 | 8 | 39.5 | 7 | 23.1 | 9 | 13.0 | 12 | 14.0 | 12 | 12.0 | 12 | 128.9 | 4 | |
11-20 years ago | 10.2 | 14 | 17.7 | 10 | 13.6 | 11 | 6.3 | 17 | 12.9 | 12 | 6.5 | 17 | 67.2 | 5 | |
21-30 years ago | 4.3 | 21 | 9.9 | 14 | 5.9 | 18 | 5.3 | 19 | 9.7 | 14 | 8.0 | 16 | 43.1 | 7 | |
31-40 years ago | 2.8 | 27 | 5.5 | 19 | 4.5 | 21 | 3.9 | 22 | 6.7 | 17 | 7.8 | 16 | 31.2 | 8 | |
41-50 years ago | 1.8 | 33 | 4.8 | 20 | 2.2 | 30 | 5.3 | 19 | 3.5 | 23 | 9.4 | 14 | 26.9 | 8 | |
over 50 years ago | 5.3 | 19 | 11.0 | 13 | 6.3 | 17 | 22.0 | 9 | 13.5 | 12 | 60.9 | 5 | 119.0 | 4 | |
total | 51.8 | 6 | 88.3 | 4 | 55.5 | 5 | 55.8 | 4 | 60.3 | 5 | 104.5 | 3 | 416.3 | 2 | |
total | n/a | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 |
less than 10 years ago | 275.8 | 2 | 84.7 | 4 | 47.6 | 5 | 25.5 | 8 | 32.6 | 7 | 17.7 | 10 | 484.0 | 2 | |
11-20 years ago | 75.9 | 5 | 42.2 | 6 | 28.7 | 8 | 14.5 | 11 | 28.8 | 8 | 9.9 | 14 | 200.0 | 3 | |
21-30 years ago | 29.2 | 8 | 22.0 | 9 | 14.4 | 11 | 9.7 | 14 | 21.5 | 9 | 11.9 | 13 | 108.8 | 4 | |
31-40 years ago | 16.8 | 11 | 13.4 | 12 | 9.8 | 14 | 9.6 | 14 | 16.2 | 11 | 13.1 | 12 | 78.8 | 5 | |
41-50 years ago | 9.2 | 14 | 12.1 | 12 | 7.0 | 16 | 10.1 | 14 | 9.4 | 14 | 13.4 | 12 | 61.2 | 6 | |
over 50 years ago | 15.5 | 11 | 27.0 | 8 | 20.1 | 9 | 44.5 | 6 | 34.2 | 7 | 84.0 | 4 | 225.3 | 3 | |
total | 422.8 | 1 | 201.4 | 1 | 127.5 | 2 | 113.8 | 2 | 142.8 | 2 | 150.0 | 2 | 1158.4 | 1 |
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