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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 | 93.3 | 4 | 162.0 | 2 | 28.2 | 8 | 11.1 | 13 | 1.2 | 41 | 295.8 | 2 | |
medium road infrastructure, ground based | 50.8 | 5 | 34.7 | 7 | 26.6 | 8 | 11.6 | 13 | 2.6 | 28 | 126.4 | 4 | |
low road infrastructure, ground based | 10.6 | 13 | 3.3 | 24 | 10.5 | 14 | 28.2 | 8 | 6.1 | 18 | 58.8 | 6 | |
high road infrastructure, supported by cable or helicopter | 5.8 | 18 | 5.9 | 18 | 21.8 | 9 | 23.3 | 9 | 3.8 | 23 | 60.6 | 6 | |
medium road infrastructure, supported by cable or helicopter | 1.0 | 45 | 1.0 | 45 | 20.3 | 10 | 33.5 | 7 | 8.3 | 15 | 64.1 | 5 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 3.7 | 23 | 51.3 | 6 | 15.5 | 11 | 70.4 | 5 | |
total | 162.2 | 2 | 207.2 | 1 | 111.3 | 3 | 159.0 | 3 | 37.5 | 7 | 677.2 | 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 | 18.7 | 10 | 11.2 | 13 | 25.0 | 9 | 11.6 | 13 | 4.0 | 22 | 70.6 | 5 | |
medium road infrastructure, ground based | 10.6 | 13 | 5.5 | 19 | 17.2 | 10 | 11.4 | 13 | 2.5 | 29 | 47.3 | 6 | |
low road infrastructure, ground based | 1.4 | 37 | 1.6 | 35 | 9.2 | 15 | 28.1 | 8 | 10.0 | 14 | 50.3 | 6 | |
high road infrastructure, supported by cable or helicopter | 6.3 | 17 | 1.6 | 35 | 36.8 | 7 | 57.5 | 5 | 15.8 | 11 | 118.0 | 4 | |
medium road infrastructure, supported by cable or helicopter | 0.6 | 58 | 0.6 | 58 | 17.5 | 10 | 61.0 | 5 | 34.3 | 7 | 113.9 | 4 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 5.1 | 19 | 65.0 | 5 | 53.8 | 5 | 123.9 | 4 | |
total | 37.9 | 6 | 20.7 | 9 | 111.0 | 3 | 234.7 | 2 | 120.7 | 2 | 525.0 | 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 | 112.0 | 3 | 173.3 | 2 | 53.2 | 5 | 22.8 | 9 | 5.2 | 19 | 366.4 | 2 | |
medium road infrastructure, ground based | 61.5 | 5 | 40.2 | 6 | 43.8 | 6 | 23.0 | 9 | 5.1 | 20 | 173.7 | 3 | |
low road infrastructure, ground based | 12.1 | 13 | 4.9 | 20 | 19.8 | 10 | 56.3 | 6 | 16.1 | 11 | 109.2 | 4 | |
high road infrastructure, supported by cable or helicopter | 12.1 | 12 | 7.5 | 16 | 58.6 | 5 | 80.8 | 4 | 19.6 | 9 | 178.7 | 3 | |
medium road infrastructure, supported by cable or helicopter | 1.6 | 35 | 1.6 | 35 | 37.8 | 7 | 94.4 | 4 | 42.6 | 6 | 178.0 | 3 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 8.8 | 15 | 116.3 | 4 | 69.2 | 4 | 194.3 | 3 | |
total | 200.1 | 1 | 227.9 | 1 | 222.3 | 1 | 393.7 | 1 | 158.3 | 2 | 1202.2 | 1 |
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