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NFI4
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
state2009/17
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 track243.0217.31114.7115.11915.3110.471295.72
road and skidding road75.5514.2127.2162.0314.0225.519108.34
road and cable line9.71425.2813.0125.81819.5104.52177.65
road and flight path0.0.5.5196.0188.01511.1136.21836.77
no access intended27.9819.3108.9143.6230.8503.62364.05
total356.0181.4449.7524.5850.6520.19582.41
inside perimeterroad and skidding track0.8500.8500.9501.6352.9260.21007.217
road and skidding road2.1310.8500.6580.4710.21000.21004.322
road and cable line1.04511.5138.21511.5129.5144.42146.16
road and flight path0.21004.6213.3248.0154.1226.61726.88
no access intended0.6582.0321.0451.4380.21000.6585.819
total4.72019.81014.01122.9817.01011.91290.24
outside perimeterroad and skidding track17.71013.21214.7116.6179.2142.03263.35
road and skidding road20.9913.4126.7162.9262.4298.91555.16
road and cable line6.11841.7623.3819.3932.8727.08150.13
road and flight path1.0453.5233.92218.3109.31443.8679.94
no access intended5.71813.4123.0264.5210.21009.41436.27
total51.4685.3451.5551.6553.7591.13384.62
totalroad and skidding track261.5231.3730.2713.31127.482.528366.32
road and skidding road98.5428.4814.5115.2196.51714.511167.73
road and cable line16.81178.4444.4636.6661.8435.86273.82
road and flight path1.24113.61213.21234.4724.4856.65143.43
no access intended34.1734.7712.9129.5141.14113.612105.94
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862419/328750
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