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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 | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
outside of perimeter | n/a | 0.4 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.2 | 0.1 |
high road infrastructure, ground based | 58.7 | 1.8 | 79.1 | 1.3 | 27.4 | 2.1 | 8.2 | 1.2 | 3.0 | 1.7 | 49.1 | 0.8 | |
medium road infrastructure, ground based | 30.9 | 1.7 | 16.0 | 1.1 | 24.4 | 2.0 | 7.9 | 1.1 | 9.2 | 2.9 | 19.6 | 0.7 | |
low road infrastructure, ground based | 5.7 | 0.8 | 1.5 | 0.4 | 9.1 | 1.3 | 18.4 | 1.7 | 17.9 | 3.8 | 7.6 | 0.5 | |
high road infrastructure, supported by cable or helicopter | 3.7 | 0.7 | 2.9 | 0.5 | 19.6 | 1.8 | 16.1 | 1.6 | 12.8 | 3.3 | 8.7 | 0.5 | |
medium road infrastructure, supported by cable or helicopter | 0.7 | 0.3 | 0.5 | 0.2 | 16.8 | 1.7 | 20.7 | 1.7 | 24.7 | 4.3 | 7.9 | 0.5 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 2.6 | 0.7 | 28.7 | 1.9 | 32.3 | 4.6 | 7.0 | 0.5 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
inside perimeter | n/a | 0.5 | 0.5 | 1.0 | 1.0 | 0.2 | 0.2 | 0.0 | . | 0.4 | 0.3 | 0.2 | 0.1 |
high road infrastructure, ground based | 49.7 | 3.6 | 53.8 | 4.9 | 22.5 | 1.8 | 5.1 | 0.7 | 3.1 | 0.8 | 14.1 | 0.7 | |
medium road infrastructure, ground based | 27.4 | 3.2 | 27.1 | 4.4 | 16.0 | 1.6 | 5.0 | 0.7 | 2.0 | 0.6 | 9.5 | 0.6 | |
low road infrastructure, ground based | 3.9 | 1.4 | 7.7 | 2.6 | 8.7 | 1.2 | 11.3 | 1.0 | 8.5 | 1.2 | 9.4 | 0.6 | |
high road infrastructure, supported by cable or helicopter | 16.9 | 2.7 | 7.6 | 2.6 | 33.5 | 2.1 | 25.5 | 1.3 | 13.8 | 1.5 | 23.3 | 0.9 | |
medium road infrastructure, supported by cable or helicopter | 1.6 | 0.9 | 2.8 | 1.6 | 15.0 | 1.5 | 25.9 | 1.3 | 29.6 | 2.0 | 21.4 | 0.8 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 4.2 | 0.9 | 27.2 | 1.4 | 42.6 | 2.1 | 22.1 | 0.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | n/a | 0.4 | 0.2 | 0.2 | 0.1 | 0.2 | 0.1 | 0.0 | . | 0.3 | 0.2 | 0.2 | 0.1 |
high road infrastructure, ground based | 56.9 | 1.6 | 76.8 | 1.3 | 24.8 | 1.4 | 6.1 | 0.6 | 3.1 | 0.7 | 33.3 | 0.5 | |
medium road infrastructure, ground based | 30.2 | 1.5 | 17.0 | 1.1 | 20.0 | 1.3 | 6.0 | 0.6 | 3.2 | 0.7 | 15.0 | 0.5 | |
low road infrastructure, ground based | 5.4 | 0.7 | 2.0 | 0.4 | 8.9 | 0.9 | 13.7 | 0.9 | 10.1 | 1.2 | 8.4 | 0.4 | |
high road infrastructure, supported by cable or helicopter | 6.2 | 0.8 | 3.3 | 0.5 | 26.8 | 1.4 | 22.3 | 1.0 | 13.7 | 1.4 | 15.3 | 0.5 | |
medium road infrastructure, supported by cable or helicopter | 0.9 | 0.3 | 0.7 | 0.2 | 15.9 | 1.1 | 24.1 | 1.1 | 28.8 | 1.8 | 14.0 | 0.5 | |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 0.0 | . | 3.4 | 0.6 | 27.7 | 1.1 | 40.9 | 1.9 | 13.8 | 0.4 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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