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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track30.014.55.65.412.06.520.88.318.111.66.14.213.23.1
road and skidding road30.014.516.78.8..8.35.6..3.03.07.52.4
road and cable line..50.011.852.010.020.88.318.111.618.36.728.94.1
road and flight path20.112.722.29.824.08.550.110.263.814.563.68.443.04.5
no access intended20.012.65.65.412.06.5....9.15.07.52.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track62.31.416.01.524.32.317.82.225.02.12.70.833.90.7
road and skidding road26.61.312.61.412.81.76.81.45.41.18.41.415.90.6
road and cable line4.30.642.72.135.82.534.62.745.52.527.72.225.40.7
road and flight path0.20.15.91.012.01.737.22.823.92.144.72.514.30.6
no access intended6.60.722.81.815.11.93.61.10.20.216.51.810.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.11.415.71.523.52.218.02.124.82.13.00.833.10.7
road and skidding road26.61.312.81.412.01.66.91.45.21.18.01.315.60.6
road and cable line4.30.642.92.136.82.433.62.644.82.426.92.125.50.7
road and flight path0.30.26.41.012.71.738.22.724.92.146.12.415.40.6
no access intended6.70.722.21.714.91.83.31.00.20.215.91.710.40.5
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 #162137/148516
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