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NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.21.138.52.230.42.417.92.518.81.910.11.946.70.8
11-20 years ago17.80.920.61.820.12.19.81.914.41.77.71.716.80.6
21-30 years ago6.60.610.31.313.51.87.71.813.71.69.91.98.90.5
31-40 years ago3.50.46.81.18.51.513.52.39.41.416.92.46.70.4
41-50 years ago2.00.36.91.14.71.110.82.08.01.310.92.04.80.4
over 50 years ago2.70.416.91.622.82.240.33.235.82.344.63.115.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.43.741.82.236.92.721.52.221.12.29.71.227.30.9
11-20 years ago19.72.921.11.823.12.313.31.820.52.25.50.916.00.8
21-30 years ago9.42.212.31.511.41.810.21.615.41.97.81.110.90.6
31-40 years ago7.31.96.41.17.51.58.11.411.21.78.41.18.10.6
41-50 years ago3.31.35.71.05.51.28.91.56.81.39.11.27.00.5
over 50 years ago9.82.212.61.515.62.038.12.624.92.359.52.030.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.64.951.47.542.87.928.46.224.85.024.26.438.22.5
11-20 years ago19.03.813.05.022.36.611.14.318.04.410.84.616.21.9
21-30 years ago8.62.79.34.47.64.35.33.020.14.64.12.99.91.6
31-40 years ago5.92.34.22.99.14.35.73.212.93.88.23.97.81.4
41-50 years ago2.81.62.01.98.04.411.24.36.22.710.84.66.21.3
over 50 years ago12.13.220.06.010.14.838.36.617.94.341.97.321.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.11.040.61.534.01.720.81.620.31.410.61.039.20.6
11-20 years ago18.10.820.51.221.51.511.81.317.21.36.40.816.50.5
21-30 years ago6.90.511.21.012.31.28.91.114.91.28.20.99.70.4
31-40 years ago4.00.46.50.88.11.09.81.210.41.010.81.07.30.3
41-50 years ago2.20.36.10.75.20.89.81.27.30.99.71.05.70.3
over 50 years ago3.80.415.01.118.91.438.91.929.81.554.41.721.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859138/325469
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