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biogeographical region | |||||||||||||||
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Jura | Plateau | Northern Alps | Western Central-Alps | Eastern Central-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 | 58.0 | 7 | 100.5 | 5 | 54.7 | 8 | 6.2 | 23 | 9.9 | 18 | 7.1 | 22 | 236.3 | 3 | |
chainsaw, then processor | 6.5 | 23 | 9.5 | 19 | 8.5 | 20 | 0.3 | 100 | 5.3 | 25 | 0.7 | 71 | 30.9 | 11 | |
wheeled harvester | 9.4 | 19 | 33.6 | 10 | 1.5 | 50 | . | . | 1.1 | 58 | . | . | 45.5 | 8 | |
tracked harvester | 1.8 | 45 | 1.4 | 50 | . | . | . | . | . | . | . | . | 3.2 | 33 | |
walking harvester | . | . | . | . | 0.4 | 100 | . | . | 0.4 | 100 | . | . | 0.7 | 71 | |
chainsaw, then chipper | 0.7 | 71 | 0.4 | 100 | . | . | . | . | . | . | . | . | 1.1 | 58 | |
feller buncher, then chipper | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
chainsaw, then yarder | 0.4 | 100 | 0.4 | 100 | 8.9 | 20 | 3.8 | 30 | . | . | 0.4 | 100 | 13.7 | 16 | |
chainsaw, then helicopter | 0.4 | 100 | 0.4 | 100 | 5.7 | 25 | 3.1 | 33 | 1.8 | 44 | 5.3 | 25 | 16.6 | 14 | |
others | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | 77.1 | 5 | 146.1 | 3 | 79.6 | 6 | 13.4 | 15 | 18.4 | 13 | 13.5 | 16 | 348.1 | 3 | |
no silvicultural treatment | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 82.5 | 5 | 82.1 | 6 | 153.6 | 4 | 25.7 | 10 | 47.7 | 7 | 37.3 | 9 | 428.9 | 2 | |
chainsaw, then processor | 9.0 | 20 | 11.3 | 17 | 38.0 | 9 | 1.0 | 58 | 21.2 | 12 | 12.8 | 16 | 93.3 | 6 | |
wheeled harvester | 15.5 | 15 | 14.2 | 15 | 4.3 | 29 | 1.0 | 58 | 2.8 | 35 | . | . | 37.8 | 9 | |
tracked harvester | 3.2 | 33 | 1.4 | 50 | 0.4 | 100 | 0.3 | 100 | . | . | . | . | 5.4 | 26 | |
walking harvester | 0.4 | 100 | . | . | 0.4 | 100 | . | . | 1.8 | 44 | . | . | 2.5 | 38 | |
chainsaw, then chipper | 1.1 | 58 | 0.4 | 100 | . | . | . | . | . | . | 1.4 | 50 | 2.9 | 35 | |
feller buncher, then chipper | . | . | . | . | 0.4 | 100 | . | . | . | . | . | . | 0.4 | 100 | |
chainsaw, then yarder | 5.8 | 25 | 3.2 | 33 | 39.1 | 9 | 18.1 | 13 | 0.4 | 100 | 3.6 | 31 | 70.1 | 7 | |
chainsaw, then helicopter | 0.7 | 71 | . | . | 44.4 | 9 | 41.9 | 8 | 30.8 | 10 | 89.4 | 5 | 207.3 | 3 | |
others | 0.7 | 71 | . | . | . | . | . | . | . | . | . | . | 0.7 | 71 | |
total | 118.9 | 4 | 112.5 | 4 | 280.4 | 2 | 88.1 | 4 | 104.6 | 3 | 144.5 | 3 | 849.1 | 1 | |
total | axe | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
chain saw | 140.5 | 3 | 182.5 | 3 | 208.3 | 3 | 31.9 | 9 | 57.6 | 6 | 44.4 | 8 | 665.2 | 2 | |
chainsaw, then processor | 15.5 | 15 | 20.9 | 13 | 46.5 | 8 | 1.4 | 50 | 26.5 | 10 | 13.5 | 16 | 124.2 | 5 | |
wheeled harvester | 24.9 | 11 | 47.7 | 8 | 5.7 | 25 | 1.0 | 58 | 3.9 | 30 | . | . | 83.3 | 6 | |
tracked harvester | 5.0 | 26 | 2.8 | 35 | 0.4 | 100 | 0.3 | 100 | . | . | . | . | 8.6 | 20 | |
walking harvester | 0.4 | 100 | . | . | 0.7 | 71 | . | . | 2.1 | 41 | . | . | 3.2 | 33 | |
chainsaw, then chipper | 1.8 | 45 | 0.7 | 71 | . | . | . | . | . | . | 1.4 | 50 | 3.9 | 30 | |
feller buncher, then chipper | . | . | . | . | 0.4 | 100 | . | . | . | . | . | . | 0.4 | 100 | |
chainsaw, then yarder | 6.1 | 24 | 3.5 | 31 | 48.0 | 8 | 21.9 | 11 | 0.4 | 100 | 3.9 | 30 | 83.8 | 6 | |
chainsaw, then helicopter | 1.1 | 58 | 0.4 | 100 | 50.2 | 8 | 45.0 | 7 | 32.6 | 9 | 94.8 | 5 | 223.9 | 3 | |
others | 0.7 | 71 | . | . | . | . | . | . | . | . | . | . | 0.7 | 71 | |
total | 196.0 | 1 | 258.6 | 1 | 360.0 | 1 | 101.5 | 3 | 123.0 | 2 | 158.0 | 2 | 1197.2 | 1 |
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