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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · main type of harvest · 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
avalanches SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder46.113.815.54.817.15.919.24.622.05.95.13.517.92.3
forwarder7.77.4..2.42.41.41.4....1.10.6
mobile tower yarder30.712.834.56.212.25.130.15.416.05.215.45.823.82.6
cable crane..29.36.029.27.112.33.830.06.520.66.522.32.5
helicopter7.87.520.75.339.17.637.05.732.06.656.47.934.22.9
others7.77.4........2.62.50.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.01.440.82.240.52.728.22.922.62.210.21.641.20.9
forwarder34.61.43.90.94.81.24.91.48.01.42.70.816.70.6
mobile tower yarder3.80.624.91.915.52.018.42.521.12.211.21.612.80.6
cable crane1.00.317.01.718.32.16.91.625.72.314.51.810.60.5
helicopter0.40.213.21.519.72.240.83.122.62.258.22.617.70.6
others1.20.30.20.21.20.60.80.6..3.20.91.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.91.438.22.038.02.526.12.522.52.19.71.539.20.8
forwarder34.31.43.50.84.51.14.11.17.01.32.40.815.40.6
mobile tower yarder4.10.625.81.815.21.921.12.320.52.011.61.613.70.6
cable crane1.00.318.21.619.52.08.21.526.22.215.11.811.60.5
helicopter0.50.214.01.521.82.139.92.823.82.158.02.419.00.6
others1.20.30.20.21.10.50.60.4..3.10.91.10.2
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, 03.11.2014 #164707/151089
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