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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 | . | 0.6 | 58 |
chain saw | 238.3 | 2 | 78.1 | 4 | 47.6 | 5 | 22.7 | 9 | 35.1 | 7 | 14.1 | 11 | 435.9 | 2 | |
chainsaw, then processor | 10.9 | 13 | 8.1 | 16 | 2.8 | 27 | 0.8 | 50 | 3.7 | 23 | 0.2 | 100 | 26.5 | 9 | |
wheeled harvester | 33.4 | 7 | 0.6 | 58 | 0.4 | 71 | 0.6 | 58 | 0.4 | 71 | 0.0 | . | 35.3 | 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 | . | 0.2 | 100 | 1.2 | 41 | 2.6 | 28 | |
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 | 2.4 | 29 | 0.2 | 100 | 3.1 | 26 | 0.2 | 100 | 9.8 | 14 | |
chainsaw, then helicopter | 0.0 | . | 2.0 | 32 | 1.4 | 38 | 0.6 | 58 | 1.0 | 45 | 0.4 | 71 | 5.4 | 19 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 286.4 | 2 | 93.2 | 4 | 55.7 | 5 | 24.9 | 8 | 43.7 | 6 | 16.2 | 11 | 520.1 | 1 | |
no silvicultural treatment | axe | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.6 | 58 |
chain saw | 118.1 | 3 | 81.1 | 4 | 56.3 | 5 | 81.2 | 3 | 74.4 | 4 | 120.2 | 2 | 531.3 | 1 | |
chainsaw, then processor | 4.9 | 20 | 10.5 | 14 | 2.8 | 27 | 3.7 | 23 | 6.9 | 17 | 1.8 | 33 | 30.7 | 8 | |
wheeled harvester | 6.2 | 18 | 0.2 | 100 | 0.2 | 100 | 0.6 | 58 | 0.2 | 100 | 0.0 | . | 7.4 | 16 | |
tracked harvester | 1.6 | 35 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.6 | 35 | |
walking harvester | 0.0 | . | 0.0 | . | 0.6 | 58 | 0.0 | . | 0.8 | 50 | 0.0 | . | 1.3 | 38 | |
chainsaw, then chipper | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.6 | 58 | 2.3 | 29 | 3.7 | 23 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 3.1 | 25 | 9.7 | 14 | 6.4 | 17 | 1.4 | 38 | 6.8 | 17 | 0.8 | 50 | 28.2 | 8 | |
chainsaw, then helicopter | 1.8 | 33 | 6.8 | 17 | 5.4 | 19 | 1.8 | 33 | 9.3 | 14 | 8.4 | 15 | 33.5 | 8 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 136.3 | 3 | 108.3 | 3 | 71.9 | 4 | 88.9 | 3 | 99.1 | 3 | 133.8 | 2 | 638.3 | 1 | |
total | axe | 0.4 | 71 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 1.2 | 41 |
chain saw | 356.4 | 1 | 159.2 | 2 | 103.9 | 3 | 103.9 | 2 | 109.5 | 3 | 134.3 | 2 | 967.2 | 1 | |
chainsaw, then processor | 15.8 | 11 | 18.6 | 10 | 5.6 | 19 | 4.5 | 21 | 10.6 | 13 | 2.1 | 31 | 57.1 | 6 | |
wheeled harvester | 39.5 | 7 | 0.8 | 50 | 0.6 | 58 | 1.2 | 41 | 0.6 | 58 | 0.0 | . | 42.7 | 6 | |
tracked harvester | 3.8 | 23 | 0.2 | 100 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 4.5 | 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 | 1.4 | 38 | 0.0 | . | 0.4 | 70 | 0.2 | 100 | 0.8 | 50 | 3.6 | 23 | 6.3 | 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 | 13.5 | 12 | 8.8 | 15 | 1.6 | 35 | 9.9 | 14 | 1.0 | 45 | 38.0 | 7 | |
chainsaw, then helicopter | 1.8 | 33 | 8.8 | 15 | 6.7 | 17 | 2.4 | 29 | 10.3 | 14 | 8.9 | 15 | 38.9 | 7 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 422.8 | 1 | 201.4 | 1 | 127.5 | 2 | 113.8 | 2 | 142.8 | 2 | 150.0 | 2 | 1158.4 | 1 |
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