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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track1.1580.41001.0581.7443.9300.41008.420
road and skidding road1.4500.7711.058......3.233
road and cable line1.45013.7166.92213.4156.7224.62746.78
road and flight path0.41003.6313.1337.9204.9266.72326.611
no access intended0.41001.8451.4501.450..0.7715.625
total4.72820.21313.41524.41115.51412.41690.56
outside perimeterroad and skidding track260.8229.91028.11016.11427.1103.531365.62
road and skidding road110.5524.21213.2165.8246.02410.218169.94
road and cable line17.21468.9639.2821.61250.3733.29230.43
road and flight path1.1589.4199.31924.41119.91246.08110.05
no access intended27.91137.9913.4151.4500.410013.81594.86
total417.41170.22103.2369.35103.63106.94970.61
totalroad and skidding track261.8230.31029.21017.81330.9103.930374.02
road and skidding road112.0524.91114.2155.8246.02410.218173.04
road and cable line18.61482.6546.1735.0956.9637.99277.13
road and flight path1.45013.01612.41632.3924.81152.87136.75
no access intended28.31139.7914.8142.7350.410014.515100.46
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163344/149724
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