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NFI4
forest area
avalanches SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/askidder200.6234.9721.896.21813.4123.026279.92
forwarder139.637.4163.3242.0326.2182.429160.93
mobile tower yarder10.51417.3107.4164.3218.9152.03150.56
cable crane1.83311.4135.1190.65810.3132.52831.88
helicopter1.24110.31411.41311.41311.8139.61455.76
others2.3290.0.0.6580.0.0.0.0.6583.524
total356.0181.4449.7524.5850.6520.19582.41
inside perimeterskidder2.4294.5211.9333.1252.7270.47114.911
forwarder0.8500.0.0.21000.4710.21000.0.1.635
mobile tower yarder1.0456.0182.5287.0164.9201.73523.09
cable crane0.0.4.3214.9203.1254.8202.72719.810
helicopter0.21005.0204.5219.2144.3216.91630.28
others0.21000.0.0.0.0.21000.0.0.21000.658
total4.72019.81014.01122.9817.01011.91290.24
outside perimeterskidder31.1832.1720.299.2148.8158.215109.74
forwarder11.4133.1262.9261.6352.1303.72324.79
mobile tower yarder5.51925.3810.61314.51117.21012.11285.25
cable crane0.94516.41112.4124.92015.81113.31263.75
helicopter1.2418.2155.41921.199.61452.0597.44
others1.2410.21000.0.0.4710.21001.8333.823
total51.4685.3451.5551.6553.7591.13384.62
totalskidder234.1271.5443.8618.51025.0811.613404.62
forwarder151.9310.5146.5173.9228.4156.118187.23
mobile tower yarder17.01148.6620.6925.7831.0715.811158.73
cable crane2.72732.1722.498.61431.0718.510115.34
helicopter2.62823.5921.3941.7625.8868.54183.43
others3.7230.21000.6580.6580.21002.6287.916
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862934/329265
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