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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 | 16.9 | 1.6 | 16.7 | 1.9 | 7.2 | 1.4 | 8.8 | 1.4 | 4.4 | 1.0 | 19.8 | 0.7 | |
chainsaw, then processor | 3.7 | 0.5 | 3.1 | 0.7 | 1.3 | 0.6 | 0.3 | 0.3 | 3.8 | 0.9 | 0.5 | 0.3 | 2.6 | 0.3 | |
wheeled harvester | 9.8 | 0.9 | 0.7 | 0.3 | 0.3 | 0.3 | . | . | 0.9 | 0.5 | . | . | 3.8 | 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 | 2.6 | 0.7 | 2.5 | 0.8 | 3.6 | 1.0 | . | . | 0.2 | 0.2 | 1.1 | 0.2 | |
chainsaw, then helicopter | 0.2 | 0.1 | 0.5 | 0.3 | 2.9 | 0.9 | 3.3 | 1.0 | 1.2 | 0.5 | 3.5 | 0.9 | 1.4 | 0.2 | |
others | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | 49.4 | 1.4 | 24.1 | 1.8 | 23.7 | 2.2 | 14.4 | 1.9 | 14.9 | 1.7 | 8.5 | 1.3 | 29.2 | 0.7 | |
no silvicultural treatment | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 35.5 | 1.4 | 40.9 | 2.0 | 43.5 | 2.5 | 27.9 | 2.5 | 41.8 | 2.4 | 23.0 | 2.0 | 35.8 | 0.8 | |
chainsaw, then processor | 4.5 | 0.6 | 12.9 | 1.4 | 7.1 | 1.3 | 0.9 | 0.5 | 16.3 | 1.8 | 7.8 | 1.3 | 7.8 | 0.5 | |
wheeled harvester | 6.8 | 0.7 | 1.2 | 0.5 | 1.0 | 0.5 | 0.9 | 0.5 | 2.1 | 0.7 | . | . | 3.2 | 0.3 | |
tracked harvester | 1.1 | 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 | 0.5 | . | . | 0.2 | 0.1 | |
chainsaw, then chipper | 0.3 | 0.2 | . | . | . | . | . | . | . | . | 0.9 | 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 | 7.6 | 1.3 | 17.7 | 2.1 | . | . | 2.3 | 0.7 | 5.9 | 0.4 | |
chainsaw, then helicopter | 0.2 | 0.1 | 7.9 | 1.1 | 16.3 | 1.9 | 37.9 | 2.7 | 23.7 | 2.1 | 57.5 | 2.4 | 17.3 | 0.6 | |
others | 0.2 | 0.1 | . | . | . | . | . | . | . | . | . | . | 0.1 | 0.0 | |
total | 50.6 | 1.4 | 75.9 | 1.8 | 76.3 | 2.2 | 85.6 | 1.9 | 85.1 | 1.7 | 91.5 | 1.3 | 70.8 | 0.7 | |
total | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 70.2 | 1.3 | 57.8 | 2.1 | 60.3 | 2.5 | 35.1 | 2.6 | 50.6 | 2.4 | 27.3 | 2.1 | 55.6 | 0.8 | |
chainsaw, then processor | 8.2 | 0.8 | 16.0 | 1.5 | 8.4 | 1.4 | 1.2 | 0.6 | 20.0 | 1.9 | 8.3 | 1.3 | 10.4 | 0.5 | |
wheeled harvester | 16.7 | 1.1 | 1.9 | 0.6 | 1.3 | 0.6 | 0.9 | 0.5 | 3.1 | 0.8 | . | . | 7.0 | 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 | . | . | 1.4 | 0.6 | . | . | 0.3 | 0.1 | |
chainsaw, then chipper | 0.6 | 0.2 | . | . | . | . | . | . | . | . | 0.9 | 0.5 | 0.3 | 0.1 | |
feller buncher, then chipper | . | . | . | . | 0.3 | 0.3 | . | . | . | . | . | . | 0.0 | 0.0 | |
chainsaw, then yarder | 2.1 | 0.4 | 15.5 | 1.5 | 10.1 | 1.5 | 21.3 | 2.2 | . | . | 2.5 | 0.8 | 7.0 | 0.4 | |
chainsaw, then helicopter | 0.3 | 0.2 | 8.4 | 1.2 | 19.2 | 2.0 | 41.2 | 2.7 | 24.9 | 2.1 | 60.9 | 2.3 | 18.6 | 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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