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protection forest region | ||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | ||||||||
degree of transportation system density by method of timber harvest | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
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 |
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