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NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track257.4228.3818.3106.51713.1125.020328.72
road and skidding road82.6417.6108.5151.2414.7200.850115.44
road and cable line4.32122.5910.0145.81818.4103.52364.55
road and flight path1.2416.8175.7184.3213.0260.47121.610
no access intended10.4146.1187.2166.61711.51310.41352.16
total356.0181.4449.7524.5850.6520.19582.41
inside perimeterroad and skidding track2.7273.0261.0452.3291.7330.65811.313
road and skidding road0.4711.0451.2410.4711.0450.8504.820
road and cable line0.47111.6137.01611.61210.9134.32145.96
road and flight path0.21001.8332.6285.5191.9322.03213.912
no access intended1.0452.4292.2303.1251.3384.32114.312
total4.72019.81014.01122.9817.01011.91290.24
outside perimeterroad and skidding track26.8822.6914.8119.7135.7189.81489.55
road and skidding road16.71117.2109.1143.6235.0203.02654.56
road and cable line4.12234.2720.1916.91032.4722.39130.14
road and flight path0.0.5.7183.32410.6133.8236.61730.18
no access intended3.7235.5194.22210.8136.91649.3580.34
total51.4685.3451.5551.6553.7591.13384.62
totalroad and skidding track287.0254.0534.1718.5920.5915.411429.52
road and skidding road99.7435.8718.8105.11910.7134.621174.83
road and cable line8.91568.3537.2634.4661.7430.27240.52
road and flight path1.43814.41111.71320.598.8158.91565.65
no access intended15.11114.01213.51220.5919.7963.94146.73
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862411/328742
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