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NFI4
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track92.04157.9229.8830.980.850311.32
road and skidding road48.5628.8820.01011.0137.516115.74
road and cable line4.4215.31925.1952.566.21793.64
road and flight path0.0.0.0.7.81656.9613.01277.75
no access intended14.51113.41224.8925.7917.41095.84
total159.42205.41107.53176.8344.96694.11
inside perimeterroad and skidding track0.4710.21000.4713.0260.4714.421
road and skidding road1.4380.0.0.4710.8500.6583.125
road and cable line0.8500.0.0.4718.3151.63511.113
road and flight path0.4710.0.0.4718.1157.81616.711
no access intended0.8500.0.0.0.1.4380.6582.827
total3.7230.21001.63521.6911.01338.17
outside perimeterroad and skidding track9.3148.91523.9927.481.83371.25
road and skidding road16.8105.71818.2109.21410.21460.26
road and cable line4.6211.73347.36110.0431.37194.93
road and flight path0.21000.6586.41748.6656.65112.44
no access intended3.2253.32412.91215.51113.91148.86
total34.0720.39108.73210.82113.83487.61
totalroad and skidding track101.63167.0254.1561.252.926386.92
road and skidding road66.6534.5738.6721.0918.310179.13
road and cable line9.8147.11672.84170.7339.26299.52
road and flight path0.6580.65814.611113.6477.44206.83
no access intended18.51016.71037.7742.6731.97147.44
total197.11225.91217.91409.11169.721219.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #860505/326836
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