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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 | 249.3 | 2 | 18.5 | 10 | 10.9 | 13 | 1.9 | 32 | 3.8 | 23 | 0.6 | 58 | 285.0 | 2 | |
medium road infrastructure, ground based | 79.2 | 5 | 17.4 | 10 | 8.2 | 15 | 1.4 | 38 | 5.1 | 20 | 1.9 | 33 | 113.1 | 4 | |
low road infrastructure, ground based | 11.7 | 13 | 6.7 | 17 | 6.4 | 17 | 4.8 | 20 | 11.1 | 13 | 3.6 | 23 | 44.2 | 7 | |
high road infrastructure, supported by cable or helicopter | 11.3 | 13 | 19.2 | 10 | 7.7 | 16 | 4.0 | 22 | 5.8 | 18 | 2.6 | 28 | 50.5 | 6 | |
medium road infrastructure, supported by cable or helicopter | 2.0 | 32 | 13.9 | 12 | 9.5 | 14 | 6.2 | 18 | 9.6 | 14 | 5.0 | 20 | 46.2 | 6 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 5.8 | 18 | 6.8 | 17 | 6.1 | 18 | 15.4 | 11 | 6.5 | 17 | 40.5 | 7 | |
total | 354.3 | 1 | 81.4 | 4 | 49.7 | 5 | 24.5 | 8 | 50.6 | 5 | 20.1 | 9 | 580.6 | 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 | 29.6 | 8 | 16.3 | 11 | 11.8 | 12 | 3.0 | 25 | 2.9 | 26 | 3.2 | 25 | 66.9 | 5 | |
medium road infrastructure, ground based | 15.8 | 11 | 13.6 | 12 | 7.8 | 15 | 3.3 | 24 | 2.6 | 27 | 2.0 | 31 | 45.1 | 6 | |
low road infrastructure, ground based | 3.0 | 26 | 9.8 | 14 | 5.6 | 19 | 8.5 | 15 | 9.1 | 14 | 8.8 | 15 | 44.8 | 7 | |
high road infrastructure, supported by cable or helicopter | 7.8 | 16 | 35.8 | 7 | 23.1 | 8 | 18.6 | 9 | 12.1 | 12 | 14.3 | 11 | 111.7 | 4 | |
medium road infrastructure, supported by cable or helicopter | 1.2 | 41 | 20.4 | 9 | 12.1 | 12 | 18.9 | 9 | 18.9 | 10 | 30.4 | 7 | 102.0 | 4 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 8.9 | 15 | 5.2 | 19 | 22.1 | 9 | 25.1 | 8 | 43.8 | 6 | 105.1 | 4 | |
total | 57.8 | 5 | 105.0 | 3 | 65.5 | 4 | 74.5 | 3 | 70.7 | 4 | 103.0 | 3 | 476.5 | 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 | 278.9 | 2 | 34.8 | 7 | 22.7 | 9 | 5.0 | 19 | 6.7 | 17 | 3.8 | 23 | 351.9 | 2 | |
medium road infrastructure, ground based | 95.0 | 4 | 31.0 | 8 | 16.0 | 10 | 4.7 | 20 | 7.7 | 16 | 3.9 | 23 | 158.2 | 3 | |
low road infrastructure, ground based | 14.7 | 11 | 16.5 | 11 | 12.0 | 13 | 13.3 | 12 | 20.2 | 9 | 12.4 | 12 | 89.0 | 5 | |
high road infrastructure, supported by cable or helicopter | 19.1 | 10 | 55.0 | 5 | 30.7 | 7 | 22.6 | 8 | 17.8 | 10 | 16.8 | 10 | 162.2 | 3 | |
medium road infrastructure, supported by cable or helicopter | 3.2 | 25 | 34.3 | 7 | 21.6 | 9 | 25.2 | 8 | 28.5 | 8 | 35.4 | 7 | 148.2 | 3 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 14.7 | 11 | 12.0 | 12 | 28.2 | 7 | 40.4 | 6 | 50.3 | 5 | 145.6 | 3 | |
total | 412.1 | 1 | 186.4 | 1 | 115.2 | 2 | 99.0 | 2 | 121.3 | 2 | 123.1 | 2 | 1057.1 | 1 |
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