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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
silvicultural treatment between NFI2 and NFI3 | harvesting systems | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
silvicultural treatment | axe | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 |
chain saw | 233.3 | 2 | 75.5 | 4 | 45.5 | 6 | 20.5 | 9 | 32.0 | 7 | 12.7 | 12 | 419.6 | 2 | |
chainsaw, then processor | 10.6 | 13 | 7.6 | 16 | 2.6 | 28 | 0.8 | 50 | 3.3 | 24 | 0.2 | 100 | 25.2 | 9 | |
wheeled harvester | 33.2 | 7 | 0.6 | 58 | 0.4 | 71 | 0.6 | 58 | 0.4 | 71 | 0.0 | . | 35.1 | 7 | |
tracked harvester | 2.1 | 30 | 0.2 | 100 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 2.9 | 26 | |
walking harvester | 0.4 | 71 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.0 | . | 1.0 | 45 | |
chainsaw, then chipper | 1.0 | 45 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.2 | 41 | 2.4 | 29 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 0.2 | 100 | 3.8 | 23 | 2.2 | 30 | 0.2 | 100 | 2.9 | 26 | 0.2 | 100 | 9.5 | 14 | |
chainsaw, then helicopter | 0.0 | . | 2.0 | 32 | 1.2 | 41 | 0.4 | 71 | 0.6 | 57 | 0.4 | 71 | 4.6 | 21 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 281.0 | 2 | 89.9 | 4 | 53.0 | 5 | 22.5 | 9 | 39.5 | 6 | 14.8 | 11 | 500.6 | 1 | |
no silvicultural treatment | axe | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.4 | 71 |
chain saw | 113.2 | 4 | 73.0 | 4 | 48.5 | 5 | 69.6 | 4 | 60.1 | 5 | 96.3 | 3 | 460.6 | 2 | |
chainsaw, then processor | 4.9 | 20 | 9.1 | 15 | 2.4 | 29 | 3.5 | 23 | 6.5 | 17 | 1.8 | 33 | 28.2 | 8 | |
wheeled harvester | 6.2 | 18 | 0.2 | 100 | 0.2 | 100 | 0.6 | 58 | 0.0 | . | 0.0 | . | 7.2 | 16 | |
tracked harvester | 1.4 | 38 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 38 | |
walking harvester | 0.0 | . | 0.0 | . | 0.6 | 58 | 0.0 | . | 0.8 | 50 | 0.0 | . | 1.3 | 38 | |
chainsaw, then chipper | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 2.3 | 29 | 3.3 | 25 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 3.1 | 25 | 9.1 | 15 | 6.0 | 18 | 1.0 | 45 | 6.8 | 17 | 0.8 | 50 | 26.7 | 8 | |
chainsaw, then helicopter | 1.8 | 33 | 5.2 | 19 | 4.4 | 21 | 1.6 | 35 | 7.3 | 16 | 6.9 | 17 | 27.2 | 8 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 131.0 | 3 | 96.5 | 3 | 62.3 | 4 | 76.5 | 3 | 81.8 | 3 | 108.3 | 2 | 556.5 | 1 | |
total | axe | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.8 | 50 |
chain saw | 346.5 | 1 | 148.4 | 2 | 94.0 | 3 | 90.1 | 3 | 92.1 | 3 | 109.0 | 2 | 880.2 | 1 | |
chainsaw, then processor | 15.6 | 11 | 16.7 | 11 | 5.0 | 20 | 4.3 | 21 | 9.8 | 14 | 2.1 | 31 | 53.4 | 6 | |
wheeled harvester | 39.3 | 7 | 0.8 | 50 | 0.6 | 58 | 1.2 | 41 | 0.4 | 71 | 0.0 | . | 42.3 | 6 | |
tracked harvester | 3.5 | 24 | 0.2 | 100 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 4.3 | 21 | |
walking harvester | 0.4 | 71 | 0.2 | 100 | 0.8 | 50 | 0.0 | . | 1.0 | 45 | 0.0 | . | 2.3 | 29 | |
chainsaw, then chipper | 1.2 | 41 | 0.0 | . | 0.4 | 70 | 0.2 | 100 | 0.4 | 71 | 3.6 | 23 | 5.8 | 18 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 3.3 | 24 | 12.9 | 12 | 8.2 | 15 | 1.2 | 41 | 9.7 | 14 | 1.0 | 45 | 36.2 | 7 | |
chainsaw, then helicopter | 1.8 | 33 | 7.2 | 16 | 5.6 | 18 | 2.0 | 31 | 7.9 | 16 | 7.3 | 16 | 31.8 | 8 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 412.1 | 1 | 186.4 | 1 | 115.2 | 2 | 99.0 | 2 | 121.3 | 2 | 123.1 | 2 | 1057.1 | 1 |
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