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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: 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/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.01.018.11.214.31.36.30.99.61.02.60.526.10.5
11-20 years ago15.50.89.60.99.41.03.40.77.10.92.00.59.40.4
21-30 years ago5.70.55.00.76.50.92.80.66.70.82.70.55.10.3
31-40 years ago3.00.43.40.54.10.74.60.84.70.74.40.73.80.2
41-50 years ago1.80.33.20.52.60.63.80.73.90.63.10.62.80.2
over 50 years ago2.70.310.20.913.21.217.81.419.11.315.71.110.90.4
total86.80.749.71.550.01.838.61.851.11.630.51.458.10.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.20.418.91.215.81.311.21.28.20.96.10.89.60.4
11-20 years ago1.60.39.80.99.81.16.91.07.90.93.40.65.60.3
21-30 years ago0.80.25.60.75.00.85.30.86.00.84.80.73.90.2
31-40 years ago0.60.23.00.53.30.64.20.84.80.75.30.72.90.2
41-50 years ago0.30.12.70.52.40.54.60.82.60.55.80.82.50.2
over 50 years ago0.90.26.10.78.11.021.21.510.51.039.11.511.60.4
total8.40.646.11.544.41.853.51.839.91.664.41.536.10.5
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.50.32.20.42.20.52.30.62.10.51.20.42.10.2
11-20 years ago1.00.20.50.21.10.40.90.41.50.40.50.20.90.1
21-30 years ago0.40.10.40.20.40.20.40.21.70.40.20.10.60.1
31-40 years ago0.30.10.20.10.50.20.40.31.10.30.40.20.40.1
41-50 years ago0.10.10.10.10.40.20.90.40.50.20.50.20.30.1
over 50 years ago0.60.20.80.31.10.43.00.62.00.52.20.51.40.1
total4.90.54.20.65.70.87.91.09.01.05.10.75.80.3
totaln/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago64.71.039.11.532.21.719.81.519.81.39.81.037.80.5
11-20 years ago18.10.820.01.220.31.411.11.216.51.25.90.815.90.4
21-30 years ago6.90.511.10.911.91.28.51.114.41.27.70.99.50.4
31-40 years ago3.90.46.50.77.91.09.31.110.61.010.11.07.20.3
41-50 years ago2.20.36.00.75.40.89.31.17.10.99.40.95.70.3
over 50 years ago4.10.417.21.122.31.542.01.931.61.557.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859069/325400
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