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production region | |||||||||||||
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Jura | Plateau | Pre-Alps | 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 | ± % |
outside of perimeter | n/a | 0.6 | 58 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.0 | 45 |
high road infrastructure, ground based | 89.9 | 4 | 159.1 | 2 | 26.5 | 8 | 8.9 | 15 | 0.6 | 58 | 285.0 | 2 | |
medium road infrastructure, ground based | 47.3 | 6 | 32.1 | 7 | 23.6 | 9 | 8.6 | 15 | 1.9 | 33 | 113.5 | 4 | |
low road infrastructure, ground based | 8.8 | 15 | 2.9 | 26 | 8.8 | 15 | 20.1 | 10 | 3.6 | 23 | 44.2 | 7 | |
high road infrastructure, supported by cable or helicopter | 5.6 | 19 | 5.7 | 18 | 18.9 | 10 | 17.6 | 10 | 2.6 | 28 | 50.5 | 6 | |
medium road infrastructure, supported by cable or helicopter | 1.0 | 45 | 1.0 | 45 | 16.2 | 11 | 22.6 | 9 | 5.0 | 20 | 45.8 | 6 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 2.5 | 28 | 31.4 | 8 | 6.5 | 17 | 40.4 | 7 | |
total | 153.2 | 2 | 201.0 | 1 | 96.8 | 4 | 109.3 | 4 | 20.1 | 9 | 580.4 | 1 | |
inside perimeter | n/a | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.4 | 71 | 1.0 | 45 |
high road infrastructure, ground based | 18.5 | 10 | 11.0 | 13 | 23.9 | 9 | 10.7 | 13 | 3.2 | 25 | 67.4 | 5 | |
medium road infrastructure, ground based | 10.2 | 14 | 5.5 | 19 | 17.0 | 11 | 10.6 | 13 | 2.0 | 31 | 45.4 | 6 | |
low road infrastructure, ground based | 1.4 | 37 | 1.6 | 35 | 9.2 | 15 | 23.7 | 9 | 8.8 | 15 | 44.7 | 7 | |
high road infrastructure, supported by cable or helicopter | 6.3 | 17 | 1.6 | 35 | 35.6 | 7 | 53.6 | 6 | 14.3 | 11 | 111.3 | 4 | |
medium road infrastructure, supported by cable or helicopter | 0.6 | 58 | 0.6 | 58 | 16.0 | 11 | 54.3 | 6 | 30.4 | 7 | 102.0 | 4 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 4.5 | 21 | 57.0 | 5 | 43.8 | 6 | 105.3 | 4 | |
total | 37.3 | 7 | 20.5 | 9 | 106.5 | 3 | 209.9 | 2 | 103.0 | 3 | 477.1 | 1 | |
total | n/a | 0.8 | 50 | 0.4 | 71 | 0.4 | 71 | 0.0 | . | 0.4 | 71 | 2.0 | 32 |
high road infrastructure, ground based | 108.4 | 3 | 170.1 | 2 | 50.5 | 6 | 19.6 | 10 | 3.8 | 23 | 352.4 | 2 | |
medium road infrastructure, ground based | 57.5 | 5 | 37.6 | 7 | 40.6 | 6 | 19.2 | 10 | 3.9 | 23 | 158.9 | 3 | |
low road infrastructure, ground based | 10.2 | 14 | 4.5 | 21 | 18.0 | 10 | 43.8 | 6 | 12.4 | 12 | 89.0 | 5 | |
high road infrastructure, supported by cable or helicopter | 11.9 | 12 | 7.3 | 16 | 54.6 | 5 | 71.2 | 5 | 16.8 | 10 | 161.8 | 3 | |
medium road infrastructure, supported by cable or helicopter | 1.6 | 35 | 1.6 | 35 | 32.3 | 7 | 76.9 | 5 | 35.4 | 7 | 147.8 | 3 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 7.0 | 16 | 88.4 | 4 | 50.3 | 5 | 145.7 | 3 | |
total | 190.5 | 1 | 221.5 | 1 | 203.3 | 1 | 319.1 | 1 | 123.1 | 2 | 1057.5 | 1 |
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