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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
protection forest perimeter SilvaProtect | degree of transportation system density by method of timber harvest | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
outside of perimeter | n/a | 0.8 | 50 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 45 |
high road infrastructure, ground based | 253.7 | 2 | 19.9 | 10 | 11.8 | 13 | 2.1 | 30 | 4.1 | 22 | 1.2 | 41 | 292.8 | 2 | |
medium road infrastructure, ground based | 83.2 | 4 | 17.8 | 10 | 9.3 | 14 | 2.4 | 29 | 5.5 | 19 | 2.2 | 30 | 120.5 | 4 | |
low road infrastructure, ground based | 13.3 | 12 | 8.6 | 15 | 7.2 | 16 | 6.6 | 17 | 13.5 | 12 | 5.2 | 19 | 54.5 | 6 | |
high road infrastructure, supported by cable or helicopter | 11.5 | 13 | 21.0 | 9 | 9.1 | 14 | 6.0 | 18 | 6.4 | 17 | 3.4 | 24 | 57.4 | 6 | |
medium road infrastructure, supported by cable or helicopter | 2.0 | 32 | 17.8 | 10 | 10.9 | 13 | 7.5 | 16 | 13.6 | 12 | 7.7 | 16 | 59.4 | 6 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 7.6 | 16 | 9.0 | 14 | 9.6 | 14 | 20.4 | 10 | 12.3 | 12 | 58.9 | 6 | |
total | 364.5 | 1 | 92.7 | 4 | 57.4 | 5 | 34.3 | 7 | 63.5 | 5 | 32.0 | 7 | 644.5 | 1 | |
inside perimeter | n/a | 0.4 | 71 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 1.0 | 45 |
high road infrastructure, ground based | 29.8 | 8 | 17.2 | 10 | 12.0 | 12 | 3.4 | 23 | 3.3 | 24 | 4.0 | 22 | 69.7 | 5 | |
medium road infrastructure, ground based | 16.0 | 11 | 13.6 | 12 | 8.0 | 15 | 3.5 | 23 | 2.8 | 27 | 2.2 | 30 | 46.1 | 6 | |
low road infrastructure, ground based | 3.0 | 26 | 10.2 | 14 | 6.0 | 18 | 8.9 | 14 | 11.5 | 13 | 9.8 | 14 | 49.3 | 6 | |
high road infrastructure, supported by cable or helicopter | 7.8 | 16 | 36.4 | 7 | 23.9 | 8 | 19.6 | 9 | 13.1 | 12 | 15.8 | 11 | 116.7 | 4 | |
medium road infrastructure, supported by cable or helicopter | 1.2 | 41 | 20.8 | 9 | 14.1 | 11 | 20.3 | 9 | 20.9 | 9 | 33.9 | 7 | 111.3 | 4 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 10.4 | 14 | 6.2 | 18 | 23.7 | 8 | 27.7 | 8 | 51.8 | 5 | 119.7 | 4 | |
total | 58.2 | 5 | 108.7 | 3 | 70.1 | 4 | 79.5 | 3 | 79.3 | 4 | 117.9 | 2 | 513.9 | 1 | |
total | n/a | 1.2 | 41 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.4 | 71 | 2.0 | 32 |
high road infrastructure, ground based | 283.5 | 2 | 37.1 | 7 | 23.8 | 8 | 5.6 | 18 | 7.5 | 16 | 5.2 | 19 | 362.5 | 2 | |
medium road infrastructure, ground based | 99.2 | 4 | 31.4 | 7 | 17.2 | 10 | 5.9 | 18 | 8.3 | 15 | 4.5 | 21 | 166.6 | 3 | |
low road infrastructure, ground based | 16.3 | 11 | 18.8 | 10 | 13.2 | 12 | 15.5 | 11 | 25.0 | 8 | 14.9 | 11 | 103.9 | 4 | |
high road infrastructure, supported by cable or helicopter | 19.3 | 10 | 57.4 | 5 | 33.0 | 7 | 25.7 | 8 | 19.5 | 10 | 19.2 | 10 | 174.0 | 3 | |
medium road infrastructure, supported by cable or helicopter | 3.2 | 25 | 38.6 | 7 | 25.0 | 8 | 27.8 | 8 | 34.5 | 7 | 41.6 | 6 | 170.7 | 3 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 17.9 | 10 | 15.2 | 11 | 33.3 | 7 | 48.1 | 6 | 64.1 | 4 | 178.7 | 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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