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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 | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
silvicultural treatment | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 34.7 | 1.4 | 17.0 | 1.6 | 16.8 | 1.9 | 7.5 | 1.5 | 8.5 | 1.4 | 4.4 | 1.0 | 20.0 | 0.7 | |
chainsaw, then processor | 3.7 | 0.5 | 3.2 | 0.7 | 0.8 | 0.5 | 0.3 | 0.3 | 3.7 | 1.0 | 0.5 | 0.3 | 2.6 | 0.3 | |
wheeled harvester | 9.9 | 0.9 | 0.7 | 0.4 | 0.3 | 0.3 | . | . | 1.0 | 0.5 | . | . | 3.9 | 0.3 | |
tracked harvester | 0.7 | 0.2 | 0.2 | 0.2 | . | . | . | . | . | . | . | . | 0.3 | 0.1 | |
walking harvester | . | . | 0.2 | 0.2 | . | . | . | . | 0.2 | 0.2 | . | . | 0.1 | 0.0 | |
chainsaw, then chipper | 0.2 | 0.1 | . | . | . | . | . | . | . | . | . | . | 0.1 | 0.1 | |
feller buncher, then chipper | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
chainsaw, then yarder | 0.1 | 0.1 | 2.7 | 0.7 | 2.7 | 0.8 | 3.5 | 1.0 | . | . | 0.2 | 0.2 | 1.2 | 0.2 | |
chainsaw, then helicopter | 0.2 | 0.1 | 0.5 | 0.3 | 2.7 | 0.8 | 3.5 | 1.0 | 1.2 | 0.6 | 3.6 | 0.9 | 1.4 | 0.2 | |
others | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | 49.5 | 1.4 | 24.4 | 1.8 | 23.2 | 2.2 | 14.8 | 2.0 | 14.8 | 1.8 | 8.8 | 1.4 | 29.5 | 0.8 | |
no silvicultural treatment | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 35.4 | 1.4 | 40.5 | 2.1 | 44.9 | 2.6 | 28.3 | 2.5 | 42.7 | 2.5 | 24.0 | 2.1 | 36.1 | 0.8 | |
chainsaw, then processor | 4.5 | 0.6 | 12.9 | 1.4 | 6.9 | 1.3 | 0.9 | 0.5 | 17.0 | 1.9 | 8.3 | 1.4 | 7.9 | 0.5 | |
wheeled harvester | 6.9 | 0.7 | 1.2 | 0.5 | 1.1 | 0.5 | 0.9 | 0.5 | 2.2 | 0.7 | . | . | 3.3 | 0.3 | |
tracked harvester | 1.0 | 0.3 | . | . | 0.3 | 0.3 | 0.3 | 0.3 | . | . | . | . | 0.4 | 0.1 | |
walking harvester | 0.1 | 0.1 | . | . | 0.3 | 0.3 | . | . | 1.2 | 0.6 | . | . | 0.2 | 0.1 | |
chainsaw, then chipper | 0.3 | 0.1 | . | . | . | . | . | . | . | . | 1.0 | 0.5 | 0.2 | 0.1 | |
feller buncher, then chipper | . | . | . | . | 0.3 | 0.3 | . | . | . | . | . | . | 0.0 | 0.0 | |
chainsaw, then yarder | 2.1 | 0.4 | 12.9 | 1.4 | 7.7 | 1.4 | 18.6 | 2.2 | . | . | 2.2 | 0.7 | 5.9 | 0.4 | |
chainsaw, then helicopter | 0.2 | 0.1 | 8.0 | 1.1 | 15.4 | 1.9 | 36.2 | 2.7 | 22.0 | 2.1 | 55.9 | 2.4 | 16.3 | 0.6 | |
others | 0.2 | 0.1 | . | . | . | . | . | . | . | . | . | . | 0.1 | 0.0 | |
total | 50.5 | 1.4 | 75.6 | 1.8 | 76.8 | 2.2 | 85.2 | 2.0 | 85.2 | 1.8 | 91.2 | 1.4 | 70.5 | 0.8 | |
total | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 70.0 | 1.3 | 57.5 | 2.1 | 61.7 | 2.5 | 35.8 | 2.7 | 51.2 | 2.5 | 28.3 | 2.2 | 56.2 | 0.8 | |
chainsaw, then processor | 8.2 | 0.8 | 16.1 | 1.5 | 7.7 | 1.4 | 1.3 | 0.6 | 20.7 | 2.0 | 8.8 | 1.4 | 10.5 | 0.5 | |
wheeled harvester | 16.8 | 1.1 | 1.9 | 0.6 | 1.3 | 0.6 | 0.9 | 0.5 | 3.2 | 0.9 | . | . | 7.2 | 0.4 | |
tracked harvester | 1.7 | 0.4 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | . | . | . | . | 0.7 | 0.1 | |
walking harvester | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.3 | . | . | 1.5 | 0.6 | . | . | 0.3 | 0.1 | |
chainsaw, then chipper | 0.5 | 0.2 | . | . | . | . | . | . | . | . | 1.0 | 0.5 | 0.3 | 0.1 | |
feller buncher, then chipper | . | . | . | . | 0.3 | 0.3 | . | . | . | . | . | . | 0.0 | 0.0 | |
chainsaw, then yarder | 2.2 | 0.4 | 15.6 | 1.5 | 10.4 | 1.6 | 22.0 | 2.3 | . | . | 2.4 | 0.8 | 7.1 | 0.4 | |
chainsaw, then helicopter | 0.3 | 0.2 | 8.5 | 1.2 | 18.1 | 2.0 | 39.6 | 2.7 | 23.3 | 2.1 | 59.5 | 2.4 | 17.7 | 0.6 | |
others | 0.2 | 0.1 | . | . | . | . | . | . | . | . | . | . | 0.1 | 0.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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