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NFI3

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago48.74.046.72.945.33.524.53.026.83.211.21.932.91.3
11-20 years ago20.13.219.02.320.52.811.82.225.83.17.01.516.71.0
21-30 years ago14.92.99.01.711.42.26.11.69.32.17.31.59.30.8
31-40 years ago4.51.78.01.67.81.97.61.810.82.25.21.37.30.7
41-50 years ago5.81.96.01.44.91.512.72.35.21.69.11.77.40.7
over 50 years ago5.81.911.31.810.22.137.33.322.23.060.22.926.41.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago70.11.448.23.344.14.329.65.934.64.017.75.458.81.2
11-20 years ago15.21.117.52.517.43.314.74.515.13.07.93.815.50.9
21-30 years ago9.10.912.72.29.82.68.23.513.82.93.92.79.90.7
31-40 years ago2.70.59.21.96.12.11.61.66.22.09.84.24.40.5
41-50 years ago1.40.42.21.05.31.96.63.24.81.85.93.32.40.4
over 50 years ago1.60.410.12.017.33.339.26.325.53.654.87.09.10.7
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 #159585/145964
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