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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 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 58 |
chain saw | 237.9 | 2 | 78.8 | 4 | 49.5 | 5 | 22.5 | 8 | 34.7 | 6 | 15.7 | 10 | 439.1 | 2 | |
chainsaw, then processor | 10.9 | 13 | 7.6 | 15 | 2.5 | 27 | 0.7 | 50 | 3.9 | 21 | 0.2 | 100 | 25.8 | 8 | |
wheeled harvester | 32.2 | 7 | 0.9 | 45 | 0.3 | 71 | 0.7 | 50 | 0.3 | 71 | 0.0 | . | 34.5 | 7 | |
tracked harvester | 1.9 | 30 | 0.2 | 100 | 0.5 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 2.6 | 26 | |
walking harvester | 0.4 | 71 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.4 | 71 | 0.0 | . | 1.1 | 41 | |
chainsaw, then chipper | 1.1 | 41 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 1.1 | 41 | 2.5 | 27 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 0.5 | 58 | 3.9 | 21 | 2.8 | 25 | 0.2 | 100 | 2.9 | 25 | 0.2 | 100 | 10.5 | 13 | |
chainsaw, then helicopter | 0.0 | . | 1.9 | 30 | 1.2 | 38 | 0.5 | 58 | 0.9 | 45 | 0.4 | 71 | 4.9 | 19 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 285.1 | 2 | 93.7 | 3 | 57.4 | 5 | 24.6 | 8 | 43.4 | 6 | 17.5 | 10 | 521.7 | 1 | |
no silvicultural treatment | axe | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.5 | 58 |
chain saw | 122.0 | 3 | 84.0 | 4 | 59.3 | 4 | 82.7 | 3 | 78.0 | 4 | 121.4 | 2 | 547.3 | 1 | |
chainsaw, then processor | 5.7 | 18 | 9.5 | 13 | 2.7 | 26 | 3.5 | 22 | 6.4 | 17 | 1.6 | 33 | 29.3 | 8 | |
wheeled harvester | 6.7 | 16 | 0.2 | 100 | 0.2 | 100 | 0.6 | 58 | 0.2 | 100 | 0.0 | . | 7.8 | 15 | |
tracked harvester | 1.4 | 35 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 35 | |
walking harvester | 0.0 | . | 0.0 | . | 0.5 | 58 | 0.0 | . | 1.1 | 41 | 0.0 | . | 1.6 | 33 | |
chainsaw, then chipper | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.5 | 58 | 2.6 | 26 | 3.8 | 21 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 3.5 | 22 | 10.0 | 13 | 5.9 | 17 | 1.2 | 38 | 6.3 | 17 | 0.7 | 50 | 27.6 | 8 | |
chainsaw, then helicopter | 1.6 | 33 | 6.9 | 16 | 5.0 | 19 | 1.9 | 30 | 9.2 | 14 | 9.0 | 14 | 33.5 | 7 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 141.5 | 3 | 110.5 | 3 | 73.7 | 4 | 90.0 | 3 | 101.7 | 3 | 135.4 | 2 | 652.8 | 1 | |
total | axe | 0.4 | 71 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 1.0 | 41 |
chain saw | 359.9 | 1 | 162.8 | 2 | 108.8 | 2 | 105.1 | 2 | 112.7 | 3 | 137.1 | 2 | 986.3 | 1 | |
chainsaw, then processor | 16.6 | 10 | 17.1 | 10 | 5.2 | 18 | 4.2 | 20 | 10.3 | 13 | 1.8 | 31 | 55.2 | 6 | |
wheeled harvester | 38.9 | 6 | 1.1 | 41 | 0.5 | 58 | 1.3 | 38 | 0.5 | 58 | 0.0 | . | 42.3 | 6 | |
tracked harvester | 3.4 | 23 | 0.2 | 100 | 0.5 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 4.1 | 21 | |
walking harvester | 0.4 | 71 | 0.2 | 100 | 0.7 | 50 | 0.0 | . | 1.5 | 35 | 0.0 | . | 2.7 | 26 | |
chainsaw, then chipper | 1.4 | 35 | 0.0 | . | 0.4 | 70 | 0.2 | 100 | 0.7 | 50 | 3.7 | 22 | 6.3 | 17 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 4.1 | 21 | 13.9 | 11 | 8.7 | 14 | 1.4 | 35 | 9.2 | 14 | 0.9 | 45 | 38.1 | 7 | |
chainsaw, then helicopter | 1.6 | 33 | 8.8 | 14 | 6.2 | 17 | 2.5 | 27 | 10.1 | 13 | 9.3 | 13 | 38.5 | 7 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 426.6 | 1 | 204.2 | 1 | 131.0 | 2 | 114.7 | 2 | 145.1 | 2 | 152.9 | 2 | 1174.5 | 0 |
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