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NFI4b

forest area: silvicultural treatment between NFI3 and NFI4 · harvesting systems · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
silvicultural treatment between NFI3 and NFI4harvesting systems %± %± %± %± %± %± %±
silvicultural treatmentaxe..............
chain saw34.71.416.91.616.71.97.21.48.81.44.41.019.80.7
chainsaw, then processor3.70.53.10.71.30.60.30.33.80.90.50.32.60.3
wheeled harvester9.80.90.70.30.30.3..0.90.5..3.80.3
tracked harvester0.70.20.20.2........0.30.1
walking harvester..0.20.2....0.20.2..0.10.0
chainsaw, then chipper0.20.1..........0.10.1
feller buncher, then chipper..............
chainsaw, then yarder0.10.12.60.72.50.83.61.0..0.20.21.10.2
chainsaw, then helicopter0.20.10.50.32.90.93.31.01.20.53.50.91.40.2
others..............
total49.41.424.11.823.72.214.41.914.91.78.51.329.20.7
no silvicultural treatmentaxe..............
chain saw35.51.440.92.043.52.527.92.541.82.423.02.035.80.8
chainsaw, then processor4.50.612.91.47.11.30.90.516.31.87.81.37.80.5
wheeled harvester6.80.71.20.51.00.50.90.52.10.7..3.20.3
tracked harvester1.10.3..0.30.30.30.3....0.40.1
walking harvester0.10.1..0.30.3..1.20.5..0.20.1
chainsaw, then chipper0.30.2........0.90.50.20.1
feller buncher, then chipper....0.30.3......0.00.0
chainsaw, then yarder2.10.412.91.47.61.317.72.1..2.30.75.90.4
chainsaw, then helicopter0.20.17.91.116.31.937.92.723.72.157.52.417.30.6
others0.20.1..........0.10.0
total50.61.475.91.876.32.285.61.985.11.791.51.370.80.7
totalaxe..............
chain saw70.21.357.82.160.32.535.12.650.62.427.32.155.60.8
chainsaw, then processor8.20.816.01.58.41.41.20.620.01.98.31.310.40.5
wheeled harvester16.71.11.90.61.30.60.90.53.10.8..7.00.4
tracked harvester1.70.40.20.20.30.30.30.3....0.70.1
walking harvester0.10.10.20.20.30.3..1.40.6..0.30.1
chainsaw, then chipper0.60.2........0.90.50.30.1
feller buncher, then chipper....0.30.3......0.00.0
chainsaw, then yarder2.10.415.51.510.11.521.32.2..2.50.87.00.4
chainsaw, then helicopter0.30.28.41.219.22.041.22.724.92.160.92.318.60.6
others0.20.1..........0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #144214/130587
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