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NFI4
forest area
time of last treatment (classes of 10 years) · lower/higher altitudinal zones
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
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 (classes of 10 years)lower/higher altitudinal zones %± %± %± %± %± %± %±
n/alowlands0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
high altitude areas0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years agolowlands55.71.013.41.016.51.35.30.94.10.76.80.825.10.5
high altitude areas9.30.627.21.317.51.415.41.416.21.33.70.614.10.4
total65.11.040.61.534.01.720.81.620.31.410.61.039.20.6
11-20 years agolowlands14.50.76.20.76.90.91.70.52.90.53.80.67.80.3
high altitude areas3.60.414.31.114.71.310.11.214.31.22.60.58.70.3
total18.10.820.51.221.51.511.81.317.21.36.40.816.50.5
21-30 years agolowlands5.00.52.70.54.00.71.70.51.90.53.20.63.50.2
high altitude areas2.00.38.50.88.31.07.21.013.11.15.00.76.30.3
total6.90.511.21.012.31.28.91.114.91.28.20.99.70.4
31-40 years agolowlands2.30.32.00.42.40.51.70.51.80.43.30.62.30.2
high altitude areas1.60.34.60.65.70.98.11.18.61.07.50.95.00.3
total4.00.46.50.88.11.09.81.210.41.010.81.07.30.3
41-50 years agolowlands1.70.30.60.20.80.32.10.50.80.33.80.61.60.2
high altitude areas0.40.15.50.74.40.87.71.16.50.85.90.84.10.2
total2.20.36.10.75.20.89.81.27.30.99.71.05.70.3
over 50 years agolowlands2.90.42.60.53.40.76.81.02.20.518.61.25.40.3
high altitude areas0.90.212.41.015.51.332.21.827.71.535.81.516.20.4
total3.80.415.01.118.91.438.91.929.81.554.41.721.60.5
totallowlands82.20.727.41.233.91.519.31.413.71.039.51.445.70.5
high altitude areas17.80.772.61.266.11.580.71.486.31.060.51.454.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #802478/268810
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