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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 NFI3 and NFI4 | harvesting systems | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
silvicultural treatment | axe | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
chain saw | 168.4 | 3 | 44.2 | 6 | 27.8 | 8 | 8.9 | 15 | 14.2 | 11 | 7.2 | 16 | 270.7 | 2 | |
chainsaw, then processor | 17.4 | 10 | 7.0 | 17 | 1.4 | 38 | 1.8 | 33 | 5.8 | 18 | 1.6 | 35 | 35.0 | 7 | |
wheeled harvester | 47.9 | 6 | 1.7 | 35 | 1.0 | 45 | 0.4 | 71 | 1.0 | 45 | 0.0 | . | 52.0 | 6 | |
tracked harvester | 4.5 | 21 | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 5.3 | 19 | |
walking harvester | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.0 | . | 1.0 | 45 | |
chainsaw, then chipper | 1.2 | 41 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.2 | 30 | 3.4 | 24 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
chainsaw, then yarder | 0.8 | 50 | 9.9 | 14 | 5.1 | 19 | 3.9 | 22 | 3.6 | 23 | 0.6 | 58 | 23.9 | 9 | |
chainsaw, then helicopter | 0.6 | 58 | 2.8 | 27 | 2.8 | 26 | 5.2 | 19 | 1.6 | 35 | 5.8 | 18 | 18.7 | 10 | |
others | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 240.7 | 2 | 66.5 | 5 | 38.3 | 6 | 20.4 | 9 | 26.7 | 8 | 17.4 | 10 | 409.9 | 2 | |
no silvicultural treatment | axe | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
chain saw | 132.1 | 3 | 72.0 | 4 | 55.4 | 5 | 37.7 | 6 | 48.8 | 5 | 27.7 | 8 | 373.8 | 2 | |
chainsaw, then processor | 13.8 | 12 | 19.5 | 10 | 6.3 | 17 | 4.4 | 21 | 23.7 | 9 | 11.8 | 12 | 79.6 | 5 | |
wheeled harvester | 26.7 | 8 | 2.3 | 30 | 1.0 | 45 | 0.8 | 50 | 2.1 | 30 | 0.0 | . | 32.9 | 8 | |
tracked harvester | 4.1 | 22 | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 0.0 | . | 4.9 | 20 | |
walking harvester | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 1.0 | 45 | 0.0 | . | 1.8 | 33 | |
chainsaw, then chipper | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 7.7 | 16 | 8.7 | 15 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.6 | 58 | 0.8 | 50 | |
chainsaw, then yarder | 8.1 | 15 | 28.2 | 8 | 14.9 | 11 | 14.9 | 11 | 13.2 | 12 | 2.4 | 29 | 81.7 | 5 | |
chainsaw, then helicopter | 1.0 | 45 | 20.1 | 10 | 17.9 | 10 | 41.9 | 6 | 35.9 | 7 | 90.7 | 4 | 207.5 | 3 | |
others | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | |
total | 187.2 | 2 | 142.2 | 3 | 96.1 | 3 | 100.8 | 3 | 124.9 | 2 | 140.9 | 2 | 792.0 | 1 | |
total | axe | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
chain saw | 300.5 | 2 | 116.2 | 3 | 83.2 | 3 | 46.7 | 5 | 63.0 | 5 | 34.9 | 7 | 644.5 | 1 | |
chainsaw, then processor | 31.2 | 8 | 26.5 | 8 | 7.7 | 16 | 6.2 | 17 | 29.5 | 8 | 13.4 | 12 | 114.6 | 4 | |
wheeled harvester | 74.6 | 5 | 4.0 | 23 | 2.0 | 32 | 1.2 | 41 | 3.1 | 25 | 0.0 | . | 84.8 | 4 | |
tracked harvester | 8.6 | 15 | 0.8 | 50 | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 0.0 | . | 10.1 | 14 | |
walking harvester | 0.2 | 100 | 0.2 | 100 | 0.4 | 70 | 0.6 | 58 | 1.4 | 38 | 0.0 | . | 2.8 | 27 | |
chainsaw, then chipper | 1.9 | 32 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 9.9 | 14 | 12.1 | 12 | |
feller buncher, then chipper | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.6 | 58 | 0.8 | 50 | |
chainsaw, then yarder | 8.8 | 15 | 38.2 | 7 | 19.9 | 9 | 18.9 | 9 | 16.9 | 10 | 3.0 | 26 | 105.7 | 4 | |
chainsaw, then helicopter | 1.6 | 35 | 22.8 | 9 | 20.8 | 9 | 47.0 | 6 | 37.5 | 7 | 96.4 | 3 | 226.2 | 2 | |
others | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | |
total | 427.9 | 1 | 208.7 | 1 | 134.3 | 2 | 121.1 | 2 | 151.6 | 2 | 158.3 | 2 | 1201.9 | 1 |
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