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NFI4
forest area
avalanches SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder48.71.118.71.318.91.66.21.111.01.32.40.626.50.6
forwarder33.91.04.00.72.90.72.00.65.10.92.00.615.20.5
mobile tower yarder2.60.39.31.06.51.04.40.97.31.11.60.54.80.3
cable crane0.40.16.10.84.50.90.60.48.51.12.00.63.00.2
helicopter0.30.15.50.79.91.211.51.49.81.27.81.15.30.3
others0.60.20.0.0.50.30.0.0.0.0.50.30.30.1
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimeterskidder0.60.22.40.51.60.53.10.82.30.60.30.21.40.2
forwarder0.20.10.0.0.20.20.40.30.10.10.0.0.20.1
mobile tower yarder0.20.13.20.62.20.67.01.14.00.81.30.52.20.2
cable crane0.0.2.30.54.20.83.10.84.00.82.20.61.90.2
helicopter0.00.02.70.53.90.89.31.33.60.75.60.92.90.2
others0.10.10.0.0.0.0.20.20.0.0.20.20.10.0
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimeterskidder7.60.617.21.217.51.59.31.37.31.16.61.010.40.4
forwarder2.80.41.60.42.50.61.60.61.70.53.00.72.30.2
mobile tower yarder1.30.313.61.19.21.214.61.514.21.49.91.28.10.4
cable crane0.20.18.80.910.81.34.91.013.01.410.81.26.00.3
helicopter0.30.14.40.74.70.921.31.87.91.142.22.09.20.4
others0.30.10.10.10.0.0.40.30.20.21.50.50.40.1
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
totalskidder56.81.138.41.638.02.018.71.720.61.69.41.238.30.6
forwarder36.91.05.60.85.61.04.00.96.91.05.00.917.70.5
mobile tower yarder4.10.426.11.417.91.626.01.925.61.812.81.315.00.5
cable crane0.70.217.21.219.51.68.71.225.51.815.01.410.90.4
helicopter0.60.212.61.118.51.642.12.221.21.655.72.017.30.5
others0.90.20.10.10.50.30.60.30.20.22.10.60.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862880/329211
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