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protection forest region | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 29.8 | 8 | 17.2 | 10 | 12.0 | 12 | 3.4 | 23 | 3.3 | 24 | 4.0 | 22 | 69.7 | 5 |
medium road infrastructure, ground based | 16.0 | 11 | 13.6 | 12 | 8.0 | 15 | 3.5 | 23 | 2.8 | 27 | 2.2 | 30 | 46.1 | 6 |
low road infrastructure, ground based | 3.0 | 26 | 10.2 | 14 | 6.0 | 18 | 8.9 | 14 | 11.5 | 13 | 9.8 | 14 | 49.3 | 6 |
high road infrastructure, supported by cable or helicopter | 7.8 | 16 | 36.4 | 7 | 23.9 | 8 | 19.6 | 9 | 13.1 | 12 | 15.8 | 11 | 116.7 | 4 |
medium road infrastructure, supported by cable or helicopter | 1.2 | 41 | 20.8 | 9 | 14.1 | 11 | 20.3 | 9 | 20.9 | 9 | 33.9 | 7 | 111.3 | 4 |
low road infrastructure, supported by cable or helicopter | 0.0 | . | 10.4 | 14 | 6.2 | 18 | 23.7 | 8 | 27.7 | 8 | 51.8 | 5 | 119.7 | 4 |
total | 58.2 | 5 | 108.7 | 3 | 70.1 | 4 | 79.5 | 3 | 79.3 | 4 | 117.9 | 2 | 513.9 | 1 |
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