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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
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder58.01.754.91.548.82.124.11.511.72.345.00.8
forwarder36.71.741.51.59.21.27.00.98.62.025.10.7
mobile tower yarder3.20.62.60.517.11.616.71.36.31.88.70.5
cable crane0.60.30.50.29.51.215.21.37.81.95.90.4
helicopter0.40.20.30.214.71.536.31.759.33.514.40.6
others1.10.40.30.20.70.40.60.36.41.81.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder47.311.5100.0.50.817.719.43.77.23.520.42.9
forwarder5.75.60.0.0.0.2.71.53.62.53.11.2
mobile tower yarder20.89.30.0.0.0.18.43.63.72.613.62.4
cable crane5.14.90.0.25.515.513.33.29.13.911.82.3
helicopter15.88.40.0.23.714.845.44.772.86.049.13.6
others5.45.20.0.0.0.0.90.93.62.52.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.43.863.84.741.22.118.11.28.51.225.90.9
forwarder23.13.224.84.25.01.02.70.53.20.85.70.5
mobile tower yarder13.42.66.62.426.81.928.21.412.71.422.40.8
cable crane1.71.00.90.917.31.622.51.314.21.517.10.8
helicopter0.60.62.91.79.41.228.11.459.42.128.00.9
others2.91.31.01.00.20.20.50.22.00.60.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder57.91.655.81.445.11.520.60.99.21.036.50.6
forwarder33.81.539.91.47.10.84.40.54.50.716.50.4
mobile tower yarder5.30.72.90.521.81.223.00.910.61.114.40.4
cable crane0.90.30.50.213.51.019.00.912.31.210.60.4
helicopter0.70.30.50.212.21.032.41.060.31.721.00.5
others1.50.40.30.20.50.20.60.23.10.61.00.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860973/327304
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