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NFI4
forest area
landslide/mudflow 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
landslide/mudflow 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 ago57.71.018.11.214.11.36.30.99.61.02.60.526.00.5
11-20 years ago15.40.89.60.99.41.03.40.77.10.92.00.59.40.4
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 ago1.70.33.20.52.60.63.80.73.90.63.10.62.80.2
over 50 years ago2.60.310.20.913.21.217.81.419.11.315.71.110.80.4
total86.30.749.71.549.81.838.61.851.11.630.51.457.90.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.00.43.10.53.30.65.90.92.80.63.00.63.30.2
11-20 years ago1.00.21.30.32.60.62.20.62.30.51.50.41.60.2
21-30 years ago0.50.10.90.31.20.41.20.41.60.41.20.31.00.1
31-40 years ago0.20.10.20.11.20.41.50.51.50.41.00.30.70.1
41-50 years ago0.10.10.30.20.50.31.30.40.60.31.40.40.60.1
over 50 years ago0.90.21.10.30.80.35.70.91.50.47.00.82.40.2
total5.60.56.80.89.61.117.71.410.31.015.01.19.50.4
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.90.418.01.214.81.37.61.07.50.94.20.68.50.3
11-20 years ago1.70.39.10.98.31.05.60.97.10.92.40.55.00.3
21-30 years ago0.70.25.10.74.30.74.50.86.10.83.80.63.50.2
31-40 years ago0.70.23.00.52.60.63.20.74.40.74.70.72.70.2
41-50 years ago0.40.12.50.52.30.54.20.82.50.54.90.72.30.2
over 50 years ago0.70.25.80.78.41.018.51.510.91.034.41.510.60.3
total8.10.643.51.540.51.743.61.938.61.654.51.632.50.5
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 #865146/331477
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