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NFI4b

forest area: silvicultural treatment between NFI3 and NFI4 · harvesting systems · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
silvicultural treatment between NFI3 and NFI4harvesting systems1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
silvicultural treatmentaxe..............
chain saw146.6433.21020.4126.92210.2186.024223.23
chainsaw, then processor16.1156.5231.0580.31004.9260.77129.611
wheeled harvester42.691.4500.3100..1.450..45.88
tracked harvester2.9350.4100........3.233
walking harvester..0.4100........0.4100
chainsaw, then chipper1.158..........1.158
feller buncher, then chipper..............
chainsaw, then yarder0.41005.0263.4313.431..0.410012.717
chainsaw, then helicopter0.7711.1583.1332.7351.8454.32913.616
others..............
total210.3348.0828.31013.41518.31311.317329.53
no silvicultural treatmentaxe..............
chain saw148.4477.2652.8726.41052.8731.810389.43
chainsaw, then processor19.01324.5118.6191.05820.01210.61883.86
wheeled harvester29.0112.2411.4501.0582.835..36.410
tracked harvester4.329..0.31000.3100....5.027
walking harvester0.4100..0.3100..1.845..2.538
chainsaw, then chipper0.771........1.4502.141
feller buncher, then chipper....0.3100......0.3100
chainsaw, then yarder8.62024.9119.31919.212..2.83564.87
chainsaw, then helicopter0.77113.71615.21432.3923.41161.36146.64
others0.771..........0.771
total211.83142.4388.4480.34100.84108.04731.61
totalaxe..............
chain saw295.12110.4473.2533.3962.9637.89612.72
chainsaw, then processor35.11031.0109.7181.45024.91111.317113.45
wheeled harvester71.573.6311.7441.0584.228..82.16
tracked harvester7.2220.41000.31000.3100....8.221
walking harvester0.41000.41000.3100..1.845..2.835
chainsaw, then chipper1.845........1.4503.233
feller buncher, then chipper....0.3100......0.3100
chainsaw, then yarder8.92029.91012.81622.711..3.23377.56
chainsaw, then helicopter1.45014.81518.31335.0925.21165.56160.24
others0.771..........0.771
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #143855/130228
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