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NFI4
volume of dead wood
time of last treatment
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment %± %± %± %± %± %± %±
n/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
<= 5 years ago35.92.419.72.718.32.917.43.411.32.48.71.920.71.1
6-10 years ago16.21.918.33.114.33.06.91.75.81.74.32.212.61.1
11-20 years ago17.62.022.33.218.53.010.22.222.03.29.12.517.51.2
21-30 years ago5.31.09.41.912.52.88.32.212.22.34.81.38.50.8
31-50 years ago15.32.115.42.315.83.114.82.820.43.318.03.016.31.1
> 50 years ago9.51.614.92.220.63.942.43.828.33.655.03.924.41.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900252/364620
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