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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 | area of largest gap (aerial photo, 5 classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
n/a | n/a | 0.6 | 0.2 | 6.2 | 1.0 | 6.3 | 1.2 | 11.5 | 2.0 | 3.9 | 0.9 | 15.7 | 2.1 | 4.3 | 0.3 |
no gap | 38.2 | 1.1 | 24.6 | 1.8 | 28.8 | 2.3 | 16.5 | 2.3 | 16.4 | 1.7 | 25.6 | 2.5 | 30.2 | 0.7 | |
small gap | 37.2 | 1.1 | 28.8 | 1.9 | 29.6 | 2.3 | 23.6 | 2.6 | 28.0 | 2.1 | 21.3 | 2.4 | 32.0 | 0.7 | |
medium gap | 11.4 | 0.7 | 18.4 | 1.7 | 14.2 | 1.8 | 18.9 | 2.4 | 20.0 | 1.9 | 17.7 | 2.2 | 14.7 | 0.6 | |
large gap | 11.2 | 0.7 | 21.2 | 1.7 | 19.7 | 2.0 | 29.2 | 2.8 | 30.2 | 2.1 | 19.0 | 2.3 | 17.6 | 0.6 | |
very large gap | 1.3 | 0.3 | 0.7 | 0.4 | 1.3 | 0.6 | 0.4 | 0.4 | 1.5 | 0.6 | 0.7 | 0.5 | 1.2 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
inside perimeter | n/a | 4.1 | 4.0 | 2.9 | 1.6 | 3.6 | 2.0 | 3.1 | 1.5 | 3.9 | 1.9 | 1.4 | 1.4 | 3.1 | 0.8 |
no gap | 50.1 | 10.2 | 29.6 | 4.5 | 24.3 | 4.7 | 8.4 | 2.4 | 13.3 | 3.3 | 12.4 | 3.9 | 18.8 | 1.7 | |
small gap | 25.1 | 8.9 | 27.1 | 4.3 | 32.7 | 5.2 | 37.1 | 4.3 | 15.4 | 3.5 | 36.1 | 5.7 | 29.2 | 2.0 | |
medium gap | 16.7 | 7.6 | 22.4 | 4.0 | 17.4 | 4.2 | 22.5 | 3.7 | 27.3 | 4.3 | 20.8 | 4.8 | 22.1 | 1.8 | |
large gap | 4.1 | 4.0 | 13.3 | 3.3 | 21.0 | 4.5 | 26.6 | 3.9 | 37.1 | 4.7 | 29.2 | 5.4 | 24.4 | 1.9 | |
very large gap | 0.0 | . | 4.7 | 2.1 | 1.1 | 1.1 | 2.3 | 1.3 | 3.0 | 1.7 | 0.0 | . | 2.3 | 0.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
outside perimeter | n/a | 0.4 | 0.4 | 1.8 | 0.6 | 7.0 | 1.5 | 2.1 | 0.8 | 3.5 | 1.0 | 5.1 | 0.9 | 3.5 | 0.4 |
no gap | 37.9 | 3.0 | 22.5 | 2.0 | 26.7 | 2.5 | 17.6 | 2.2 | 15.1 | 1.9 | 33.5 | 1.9 | 26.0 | 0.9 | |
small gap | 40.7 | 3.0 | 35.8 | 2.3 | 32.4 | 2.6 | 31.4 | 2.7 | 27.0 | 2.4 | 31.8 | 1.9 | 33.0 | 1.0 | |
medium gap | 11.6 | 2.0 | 18.2 | 1.8 | 14.2 | 2.0 | 18.0 | 2.2 | 19.3 | 2.1 | 12.7 | 1.4 | 15.6 | 0.8 | |
large gap | 9.0 | 1.8 | 21.0 | 1.9 | 18.4 | 2.2 | 28.9 | 2.6 | 32.4 | 2.5 | 16.4 | 1.5 | 20.7 | 0.8 | |
very large gap | 0.4 | 0.4 | 0.7 | 0.4 | 1.3 | 0.6 | 2.1 | 0.8 | 2.8 | 0.9 | 0.6 | 0.3 | 1.2 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | n/a | 0.6 | 0.2 | 4.1 | 0.6 | 6.3 | 0.9 | 5.9 | 0.9 | 3.7 | 0.6 | 8.1 | 0.9 | 3.9 | 0.2 |
no gap | 38.3 | 1.0 | 24.2 | 1.3 | 27.5 | 1.6 | 15.4 | 1.4 | 15.6 | 1.2 | 29.5 | 1.4 | 27.9 | 0.5 | |
small gap | 37.5 | 1.0 | 31.5 | 1.4 | 31.0 | 1.6 | 29.5 | 1.7 | 26.2 | 1.5 | 28.9 | 1.5 | 32.1 | 0.6 | |
medium gap | 11.5 | 0.7 | 18.7 | 1.2 | 14.5 | 1.3 | 19.2 | 1.5 | 20.6 | 1.3 | 14.8 | 1.1 | 15.6 | 0.4 | |
large gap | 10.8 | 0.7 | 20.4 | 1.2 | 19.3 | 1.4 | 28.5 | 1.7 | 31.8 | 1.5 | 18.1 | 1.2 | 19.2 | 0.5 | |
very large gap | 1.2 | 0.2 | 1.1 | 0.3 | 1.3 | 0.4 | 1.5 | 0.5 | 2.2 | 0.5 | 0.6 | 0.2 | 1.3 | 0.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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