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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/askidder47.01.649.91.524.41.39.70.72.80.625.40.5
forwarder29.71.437.71.44.60.62.80.42.00.514.10.4
mobile tower yarder2.60.52.30.48.60.86.80.61.50.44.90.3
cable crane0.50.20.40.24.80.66.10.51.80.53.30.2
helicopter0.30.20.30.17.30.814.70.814.11.28.10.3
others0.90.30.20.10.40.20.30.11.50.40.50.1
total81.11.290.90.850.11.540.41.123.71.556.30.6
inside perimeterskidder0.90.30.10.10.40.21.10.20.50.30.70.1
forwarder0.10.10.0.0.0.0.20.10.20.20.10.0
mobile tower yarder0.40.20.0.0.0.1.00.20.30.20.40.1
cable crane0.10.10.0.0.20.10.80.20.60.30.40.1
helicopter0.30.20.0.0.20.12.60.45.10.81.60.2
others0.10.10.0.0.0.0.10.10.30.20.10.0
total1.90.40.10.10.70.35.70.57.00.93.20.2
outside perimeterskidder10.00.95.70.720.31.29.80.75.90.810.50.4
forwarder3.90.62.20.42.50.51.50.32.20.52.30.2
mobile tower yarder2.30.50.60.213.21.015.20.88.81.09.10.4
cable crane0.30.20.10.18.50.812.10.79.81.06.90.3
helicopter0.10.10.30.24.60.615.10.841.21.711.30.4
others0.50.20.10.10.10.10.20.11.40.40.40.1
total17.11.29.00.849.21.553.91.169.31.640.40.6
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 #860946/327277
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