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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 | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 146.6 | 4 | 33.2 | 10 | 20.4 | 12 | 6.9 | 22 | 10.2 | 18 | 6.0 | 24 | 223.2 | 3 | |
chainsaw, then processor | 16.1 | 15 | 6.5 | 23 | 1.0 | 58 | 0.3 | 100 | 4.9 | 26 | 0.7 | 71 | 29.6 | 11 | |
wheeled harvester | 42.6 | 9 | 1.4 | 50 | 0.3 | 100 | . | . | 1.4 | 50 | . | . | 45.8 | 8 | |
tracked harvester | 2.9 | 35 | 0.4 | 100 | . | . | . | . | . | . | . | . | 3.2 | 33 | |
walking harvester | . | . | 0.4 | 100 | . | . | . | . | . | . | . | . | 0.4 | 100 | |
chainsaw, then chipper | 1.1 | 58 | . | . | . | . | . | . | . | . | . | . | 1.1 | 58 | |
feller buncher, then chipper | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
chainsaw, then yarder | 0.4 | 100 | 5.0 | 26 | 3.4 | 31 | 3.4 | 31 | . | . | 0.4 | 100 | 12.7 | 17 | |
chainsaw, then helicopter | 0.7 | 71 | 1.1 | 58 | 3.1 | 33 | 2.7 | 35 | 1.8 | 45 | 4.3 | 29 | 13.6 | 16 | |
others | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | 210.3 | 3 | 48.0 | 8 | 28.3 | 10 | 13.4 | 15 | 18.3 | 13 | 11.3 | 17 | 329.5 | 3 | |
no silvicultural treatment | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 148.4 | 4 | 77.2 | 6 | 52.8 | 7 | 26.4 | 10 | 52.8 | 7 | 31.8 | 10 | 389.4 | 3 | |
chainsaw, then processor | 19.0 | 13 | 24.5 | 11 | 8.6 | 19 | 1.0 | 58 | 20.0 | 12 | 10.6 | 18 | 83.8 | 6 | |
wheeled harvester | 29.0 | 11 | 2.2 | 41 | 1.4 | 50 | 1.0 | 58 | 2.8 | 35 | . | . | 36.4 | 10 | |
tracked harvester | 4.3 | 29 | . | . | 0.3 | 100 | 0.3 | 100 | . | . | . | . | 5.0 | 27 | |
walking harvester | 0.4 | 100 | . | . | 0.3 | 100 | . | . | 1.8 | 45 | . | . | 2.5 | 38 | |
chainsaw, then chipper | 0.7 | 71 | . | . | . | . | . | . | . | . | 1.4 | 50 | 2.1 | 41 | |
feller buncher, then chipper | . | . | . | . | 0.3 | 100 | . | . | . | . | . | . | 0.3 | 100 | |
chainsaw, then yarder | 8.6 | 20 | 24.9 | 11 | 9.3 | 19 | 19.2 | 12 | . | . | 2.8 | 35 | 64.8 | 7 | |
chainsaw, then helicopter | 0.7 | 71 | 13.7 | 16 | 15.2 | 14 | 32.3 | 9 | 23.4 | 11 | 61.3 | 6 | 146.6 | 4 | |
others | 0.7 | 71 | . | . | . | . | . | . | . | . | . | . | 0.7 | 71 | |
total | 211.8 | 3 | 142.4 | 3 | 88.4 | 4 | 80.3 | 4 | 100.8 | 4 | 108.0 | 4 | 731.6 | 1 | |
total | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 295.1 | 2 | 110.4 | 4 | 73.2 | 5 | 33.3 | 9 | 62.9 | 6 | 37.8 | 9 | 612.7 | 2 | |
chainsaw, then processor | 35.1 | 10 | 31.0 | 10 | 9.7 | 18 | 1.4 | 50 | 24.9 | 11 | 11.3 | 17 | 113.4 | 5 | |
wheeled harvester | 71.5 | 7 | 3.6 | 31 | 1.7 | 44 | 1.0 | 58 | 4.2 | 28 | . | . | 82.1 | 6 | |
tracked harvester | 7.2 | 22 | 0.4 | 100 | 0.3 | 100 | 0.3 | 100 | . | . | . | . | 8.2 | 21 | |
walking harvester | 0.4 | 100 | 0.4 | 100 | 0.3 | 100 | . | . | 1.8 | 45 | . | . | 2.8 | 35 | |
chainsaw, then chipper | 1.8 | 45 | . | . | . | . | . | . | . | . | 1.4 | 50 | 3.2 | 33 | |
feller buncher, then chipper | . | . | . | . | 0.3 | 100 | . | . | . | . | . | . | 0.3 | 100 | |
chainsaw, then yarder | 8.9 | 20 | 29.9 | 10 | 12.8 | 16 | 22.7 | 11 | . | . | 3.2 | 33 | 77.5 | 6 | |
chainsaw, then helicopter | 1.4 | 50 | 14.8 | 15 | 18.3 | 13 | 35.0 | 9 | 25.2 | 11 | 65.5 | 6 | 160.2 | 4 | |
others | 0.7 | 71 | . | . | . | . | . | . | . | . | . | . | 0.7 | 71 | |
total | 422.1 | 1 | 190.4 | 2 | 116.7 | 3 | 93.7 | 3 | 119.0 | 3 | 119.3 | 3 | 1061.2 | 1 |
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