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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: %
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 system %± %± %± %± %± %± %±
inside perimeterroad and skidding track23.111.71.81.87.74.37.03.025.06.52.92.89.31.8
road and skidding road30.712.83.62.57.74.3......3.51.2
road and cable line30.712.867.96.251.38.054.95.943.27.537.28.251.63.1
road and flight path7.87.517.95.123.16.832.55.631.87.054.38.429.42.8
no access intended7.77.48.93.810.34.95.62.7..5.73.96.21.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track62.51.417.61.827.32.623.33.026.12.63.31.037.70.8
road and skidding road26.51.314.21.612.71.98.42.05.81.49.61.717.50.7
road and cable line4.10.640.52.338.02.831.23.348.52.931.12.723.70.8
road and flight path0.30.15.51.19.01.735.13.419.22.343.12.911.30.6
no access intended6.70.722.21.913.01.92.01.00.30.312.91.99.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.01.415.91.625.02.419.02.426.02.43.31.035.20.8
road and skidding road26.51.313.11.512.21.86.21.55.01.28.61.516.30.7
road and cable line4.40.643.42.239.52.737.42.947.82.731.72.526.10.7
road and flight path0.30.26.81.110.61.734.42.920.92.244.22.712.90.6
no access intended6.70.720.81.812.71.82.91.00.30.312.21.89.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163343/149723
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