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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 NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
silvicultural treatment between NFI3 and NFI4harvesting systems %± %± %± %± %± %± %±
silvicultural treatmentaxe..............
chain saw34.71.417.01.616.81.97.51.58.51.44.41.020.00.7
chainsaw, then processor3.70.53.20.70.80.50.30.33.71.00.50.32.60.3
wheeled harvester9.90.90.70.40.30.3..1.00.5..3.90.3
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 yarder0.10.12.70.72.70.83.51.0..0.20.21.20.2
chainsaw, then helicopter0.20.10.50.32.70.83.51.01.20.63.60.91.40.2
others..............
total49.51.424.41.823.22.214.82.014.81.88.81.429.50.8
no silvicultural treatmentaxe..............
chain saw35.41.440.52.144.92.628.32.542.72.524.02.136.10.8
chainsaw, then processor4.50.612.91.46.91.30.90.517.01.98.31.47.90.5
wheeled harvester6.90.71.20.51.10.50.90.52.20.7..3.30.3
tracked harvester1.00.3..0.30.30.30.3....0.40.1
walking harvester0.10.1..0.30.3..1.20.6..0.20.1
chainsaw, then chipper0.30.1........1.00.50.20.1
feller buncher, then chipper....0.30.3......0.00.0
chainsaw, then yarder2.10.412.91.47.71.418.62.2..2.20.75.90.4
chainsaw, then helicopter0.20.18.01.115.41.936.22.722.02.155.92.416.30.6
others0.20.1..........0.10.0
total50.51.475.61.876.82.285.22.085.21.891.21.470.50.8
totalaxe..............
chain saw70.01.357.52.161.72.535.82.751.22.528.32.256.20.8
chainsaw, then processor8.20.816.11.57.71.41.30.620.72.08.81.410.50.5
wheeled harvester16.81.11.90.61.30.60.90.53.20.9..7.20.4
tracked harvester1.70.40.20.20.30.30.30.3....0.70.1
walking harvester0.10.10.20.20.30.3..1.50.6..0.30.1
chainsaw, then chipper0.50.2........1.00.50.30.1
feller buncher, then chipper....0.30.3......0.00.0
chainsaw, then yarder2.20.415.61.510.41.622.02.3..2.40.87.10.4
chainsaw, then helicopter0.30.28.51.218.12.039.62.723.32.159.52.417.70.6
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, 08.11.2014 #143452/129825
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