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NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track1.1580.41001.0581.7440.41000.7715.226
road and skidding road1.1581.158..0.771..0.41003.233
road and cable line..2.9354.1281.7440.41002.14111.218
road and flight path0.7711.4501.7444.1291.4506.42315.815
no access intended0.7710.41000.771....0.7712.538
total3.6326.1247.6218.2202.14110.31837.99
outside perimeterroad and skidding track260.8229.91028.11016.11430.6103.233368.72
road and skidding road110.9523.81214.2155.1256.0249.918169.84
road and cable line18.61479.7541.9833.3956.6635.79265.83
road and flight path0.77111.51710.71728.11023.41146.48120.95
no access intended27.51139.3914.1152.7350.410013.81597.96
total418.51184.32109.1385.44116.93109.041023.21
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 #163534/149914
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