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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 | 92.1 | 4 | 161.3 | 2 | 27.7 | 8 | 10.5 | 14 | 1.2 | 41 | 292.9 | 2 | |
medium road infrastructure, ground based | 49.6 | 6 | 33.9 | 7 | 24.4 | 9 | 10.6 | 13 | 2.2 | 30 | 120.8 | 4 | |
low road infrastructure, ground based | 10.2 | 14 | 3.1 | 25 | 10.1 | 14 | 25.8 | 9 | 5.2 | 19 | 54.4 | 6 | |
high road infrastructure, supported by cable or helicopter | 5.8 | 18 | 5.7 | 18 | 20.6 | 10 | 21.9 | 9 | 3.4 | 24 | 57.4 | 6 | |
medium road infrastructure, supported by cable or helicopter | 1.0 | 45 | 1.0 | 45 | 18.7 | 10 | 30.7 | 8 | 7.7 | 16 | 59.1 | 6 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 3.3 | 24 | 43.0 | 7 | 12.3 | 12 | 58.7 | 6 | |
total | 159.4 | 2 | 205.2 | 1 | 105.1 | 3 | 142.5 | 3 | 32.0 | 7 | 644.3 | 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 | 11.0 | 13 | 24.8 | 9 | 11.6 | 13 | 4.0 | 22 | 70.2 | 5 | |
medium road infrastructure, ground based | 10.4 | 13 | 5.5 | 19 | 17.2 | 10 | 11.0 | 13 | 2.2 | 30 | 46.5 | 6 | |
low road infrastructure, ground based | 1.4 | 37 | 1.6 | 35 | 9.2 | 15 | 27.3 | 8 | 9.8 | 14 | 49.3 | 6 | |
high road infrastructure, supported by cable or helicopter | 6.3 | 17 | 1.6 | 35 | 36.6 | 7 | 56.0 | 5 | 15.8 | 11 | 116.2 | 4 | |
medium road infrastructure, supported by cable or helicopter | 0.6 | 58 | 0.6 | 58 | 16.8 | 10 | 59.4 | 5 | 33.9 | 7 | 111.3 | 4 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 5.1 | 19 | 63.0 | 5 | 51.8 | 5 | 119.9 | 4 | |
total | 37.7 | 6 | 20.5 | 9 | 110.0 | 3 | 228.3 | 2 | 117.9 | 2 | 514.4 | 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 | 110.9 | 3 | 172.3 | 2 | 52.5 | 6 | 22.2 | 9 | 5.2 | 19 | 363.1 | 2 | |
medium road infrastructure, ground based | 60.0 | 5 | 39.4 | 6 | 41.7 | 6 | 21.6 | 9 | 4.5 | 21 | 167.3 | 3 | |
low road infrastructure, ground based | 11.7 | 13 | 4.7 | 20 | 19.4 | 10 | 53.1 | 6 | 14.9 | 11 | 103.8 | 4 | |
high road infrastructure, supported by cable or helicopter | 12.1 | 12 | 7.3 | 16 | 57.2 | 5 | 77.9 | 5 | 19.2 | 10 | 173.7 | 3 | |
medium road infrastructure, supported by cable or helicopter | 1.6 | 35 | 1.6 | 35 | 35.5 | 7 | 90.0 | 4 | 41.6 | 6 | 170.4 | 3 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 8.4 | 15 | 106.0 | 4 | 64.1 | 4 | 178.6 | 3 | |
total | 197.1 | 1 | 225.7 | 1 | 215.1 | 1 | 370.8 | 1 | 150.0 | 2 | 1158.7 | 1 |
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