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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
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 track1.1580.41001.0582.1414.6270.41009.419
road and skidding road1.4500.7711.058....0.41003.532
road and cable line1.45014.8157.32113.4157.4215.02649.28
road and flight path0.41003.6313.4318.2206.3237.52129.511
no access intended0.41001.8452.1411.450..0.7716.324
total4.72821.31214.91525.01118.31313.81598.06
outside perimeterroad and skidding track268.3232.51031.11018.51332.494.329387.12
road and skidding road114.1526.01115.3147.9207.82112.017183.04
road and cable line17.21475.0643.0825.11159.3636.49256.13
road and flight path1.1589.71913.91535.4930.81063.46154.34
no access intended28.61144.7818.3132.4380.410023.811118.25
total429.31187.92121.6389.44130.63139.931098.71
totalroad and skidding track269.4232.81032.1920.61237.094.627396.52
road and skidding road115.6526.71116.3147.9207.82112.416186.64
road and cable line18.61489.8550.3738.5866.7641.48305.33
road and flight path1.45013.31617.31443.7737.1970.96183.84
no access intended29.01146.5820.4123.8300.410024.511124.55
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161948/148327
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