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NFI4
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder58.01.754.91.549.42.224.71.612.52.646.00.9
forwarder36.61.741.61.59.11.37.41.09.42.325.90.7
mobile tower yarder3.30.62.50.517.61.717.71.47.32.08.80.5
cable crane0.60.30.50.29.11.215.61.49.12.25.70.4
helicopter0.40.20.30.214.01.534.01.856.63.912.80.6
others1.10.40.30.20.80.40.60.35.01.70.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder47.311.5100.0.50.817.719.73.97.33.520.73.0
forwarder5.75.60.0.0.0.2.81.63.62.53.21.3
mobile tower yarder20.89.30.0.0.0.19.63.83.72.614.22.5
cable crane5.14.90.0.25.515.514.23.49.34.012.32.4
helicopter15.88.40.0.23.714.843.64.872.36.148.13.6
others5.45.20.0.0.0.0.0.3.72.61.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.13.863.44.741.42.118.21.28.51.226.10.9
forwarder23.23.225.14.35.11.02.80.53.10.85.80.5
mobile tower yarder13.42.66.72.526.91.928.21.413.01.422.50.8
cable crane1.71.00.90.917.11.622.71.314.41.517.10.8
helicopter0.60.62.91.79.31.227.71.459.02.127.60.9
others2.91.31.01.00.20.20.50.22.00.61.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder57.81.655.71.545.41.520.80.99.31.137.00.6
forwarder33.71.540.01.47.00.84.60.54.50.816.90.5
mobile tower yarder5.40.72.90.522.11.323.61.011.21.114.60.4
cable crane0.90.30.50.213.21.019.50.912.91.210.60.4
helicopter0.70.30.50.211.71.031.01.159.41.820.00.5
others1.50.40.30.20.50.20.50.22.80.60.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860976/327307
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