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NFI4
forest area
avalanches 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
avalanches SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder57.81.754.91.548.82.124.11.511.72.345.00.8
forwarder36.91.741.41.59.21.27.00.98.62.025.20.7
mobile tower yarder3.20.62.70.517.11.616.71.36.31.88.70.5
cable crane0.60.30.50.29.51.215.21.37.81.95.80.4
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 perimeterskidder51.710.40.0.20.55.015.52.04.22.416.41.7
forwarder18.08.10.0.1.41.40.90.50.0.1.70.6
mobile tower yarder21.68.60.0.28.75.625.62.412.34.024.01.9
cable crane0.0.0.0.24.95.322.32.321.65.021.51.8
helicopter4.24.10.0.24.65.335.42.660.45.935.92.2
others4.54.40.0.0.0.0.30.31.51.50.60.4
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.93.965.04.744.12.219.31.48.91.227.50.9
forwarder20.33.224.34.25.41.03.40.63.60.86.20.5
mobile tower yarder13.52.75.82.326.12.027.91.511.91.421.30.9
cable crane2.41.20.90.916.41.721.31.412.71.415.60.8
helicopter1.81.03.01.77.71.227.51.560.72.128.20.9
others3.11.41.01.00.20.20.60.32.20.61.10.2
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 #862920/329251
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