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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 NFI3/NFI4 combined
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 track30.014.55.65.413.07.020.88.311.110.56.24.312.93.1
road and skidding road30.014.516.78.8..8.35.6..3.13.17.82.5
road and cable line..50.011.852.210.420.88.322.213.918.96.929.34.2
road and flight path20.112.722.29.826.19.250.110.266.715.762.48.643.14.6
no access intended20.012.65.65.48.75.9....9.45.26.92.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track62.31.416.11.625.02.318.72.325.92.22.90.934.50.8
road and skidding road26.61.312.61.412.81.86.81.55.11.18.41.416.00.6
road and cable line4.40.642.62.135.92.635.42.846.72.529.02.325.50.7
road and flight path0.20.16.01.011.51.735.72.822.12.145.42.613.80.6
no access intended6.60.722.71.814.91.93.41.10.30.314.41.810.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.01.415.81.524.22.218.92.225.52.23.20.933.70.7
road and skidding road26.61.312.71.412.01.76.91.45.01.18.01.315.70.6
road and cable line4.30.642.82.136.92.534.32.746.12.528.22.225.60.7
road and flight path0.30.26.51.012.41.736.82.723.12.146.72.514.80.6
no access intended6.70.722.11.714.51.83.11.00.20.214.01.710.10.5
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 #164887/151269
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