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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder44.416.6100.0.20.06.329.19.312.511.712.15.722.43.9
forwarder......4.24.1....0.80.8
mobile tower yarder11.110.5..27.57.112.56.712.511.76.14.215.53.4
cable crane11.110.5..20.06.34.24.1..12.25.712.23.0
helicopter22.413.9..32.57.450.110.275.015.366.68.247.44.6
others11.110.5........3.03.01.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.62.158.81.836.01.623.82.619.42.210.51.639.80.8
forwarder29.92.036.01.84.00.63.41.17.51.52.60.815.90.6
mobile tower yarder5.51.03.70.721.31.322.22.622.52.312.11.713.60.6
cable crane0.90.40.60.321.21.37.31.625.62.415.51.811.60.5
helicopter0.40.30.30.217.21.242.53.124.72.456.32.518.10.6
others1.70.60.70.30.40.20.80.50.30.33.10.91.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder61.32.158.91.835.31.524.22.519.22.210.71.539.20.8
forwarder29.42.035.91.83.80.63.51.17.31.42.40.715.30.6
mobile tower yarder5.61.03.70.721.51.321.42.422.32.311.61.613.70.6
cable crane1.10.50.60.321.11.37.01.524.92.415.21.811.60.5
helicopter0.70.40.30.217.81.243.22.926.02.457.12.419.10.6
others1.90.60.70.30.40.20.70.50.30.33.10.81.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164891/151273
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