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NFI3

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago23.111.737.56.538.57.823.95.125.06.58.74.827.22.8
11-20 years ago46.213.819.65.315.45.814.14.127.36.78.64.718.72.4
21-30 years ago23.111.77.13.47.74.38.43.36.83.811.45.48.91.8
31-40 years ago..14.34.720.56.59.93.618.25.88.64.713.22.1
41-50 years ago7.77.410.74.17.74.39.93.52.32.25.73.97.71.7
over 50 years ago..10.74.110.34.933.85.620.56.157.18.424.32.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago67.81.448.52.345.72.926.33.130.92.712.61.949.10.9
11-20 years ago15.51.118.21.819.82.311.92.320.32.37.01.515.70.7
21-30 years ago9.70.911.01.411.21.85.91.711.91.96.31.49.70.6
31-40 years ago3.00.57.81.25.41.34.91.57.51.55.61.35.00.4
41-50 years ago1.90.43.60.94.71.211.92.35.41.39.01.64.40.4
over 50 years ago2.10.410.81.413.42.039.13.424.12.559.62.816.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago67.31.447.32.244.82.725.72.630.12.512.21.847.20.9
11-20 years ago15.81.118.41.719.32.112.42.021.22.27.11.416.00.7
21-30 years ago9.80.910.61.310.81.76.61.511.21.76.81.49.60.5
31-40 years ago3.00.58.51.27.11.46.21.58.91.55.91.35.70.4
41-50 years ago1.90.44.40.95.01.211.41.95.01.28.61.54.60.4
over 50 years ago2.10.410.81.413.01.837.72.923.62.359.32.716.90.6
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 #160155/146534
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