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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · 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 assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%....21.78.64.44.311.110.5..6.02.2
1-4%10.09.516.78.88.75.920.88.333.315.728.28.019.93.7
5-9%39.915.516.78.817.47.929.19.311.110.528.17.924.14.0
10-25%30.114.533.311.121.78.624.98.844.416.628.17.928.54.2
26-50%..5.65.421.78.616.67.6..12.55.812.03.0
51-75%20.012.616.78.84.34.34.24.1....6.12.2
76-100%..11.17.44.34.3....3.13.13.51.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%5.30.64.40.912.21.77.11.514.31.811.31.67.90.5
1-4%9.90.915.21.516.82.024.22.523.02.121.92.115.90.6
5-9%12.41.016.51.613.91.921.12.415.81.823.52.215.80.6
10-25%25.61.336.92.127.62.430.62.730.52.325.82.228.90.8
26-50%20.31.215.91.620.22.213.62.011.01.611.51.616.70.7
51-75%14.91.07.71.15.91.32.40.94.11.04.11.08.90.5
76-100%11.60.93.50.83.41.01.00.61.30.61.80.75.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%5.20.64.20.812.81.76.91.414.21.710.51.57.80.5
1-4%9.90.915.21.516.31.923.92.423.22.122.42.116.00.6
5-9%12.61.016.51.614.21.821.72.315.71.823.82.116.10.6
10-25%25.61.336.82.027.32.330.22.630.92.326.02.228.90.8
26-50%20.11.215.61.520.32.113.81.910.71.511.61.616.50.6
51-75%15.01.08.01.15.81.22.50.94.01.03.80.98.80.5
76-100%11.50.93.70.83.50.90.90.51.20.61.90.75.80.4
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 #165012/151394
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