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NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago51.56.138.67.336.76.931.25.325.06.318.44.633.42.5
11-20 years ago17.64.613.65.230.66.613.03.822.96.111.33.817.32.0
21-30 years ago11.83.918.25.88.34.09.13.316.75.49.93.511.81.7
31-40 years ago2.92.04.53.114.35.03.92.214.65.15.62.77.01.3
41-50 years ago2.92.04.53.14.12.87.83.16.33.54.22.45.01.2
over 50 years ago13.24.120.56.16.13.435.15.414.65.150.75.925.52.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago66.41.440.72.237.42.719.52.622.52.28.21.542.80.8
11-20 years ago18.81.222.61.821.02.314.92.319.62.16.51.318.10.7
21-30 years ago6.40.711.31.411.91.88.71.815.81.99.11.69.50.5
31-40 years ago3.70.67.11.17.21.47.51.711.31.78.51.56.50.5
41-50 years ago2.20.46.31.15.21.210.01.96.51.37.01.45.00.4
over 50 years ago2.50.511.91.417.32.139.43.224.32.360.72.618.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago65.51.440.52.137.32.522.32.322.82.110.01.541.70.8
11-20 years ago18.71.121.91.722.22.214.52.020.02.07.31.318.00.7
21-30 years ago6.70.711.91.411.41.78.81.615.91.89.21.49.80.5
31-40 years ago3.70.56.91.18.11.46.61.411.71.68.01.36.50.4
41-50 years ago2.30.46.21.05.11.19.51.66.41.26.51.25.00.4
over 50 years ago3.10.512.61.415.91.938.32.723.22.159.02.419.00.6
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 #164522/150904
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