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NFI2
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: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a5.10.48.20.811.31.19.51.113.81.111.21.08.70.3
less than 10 years ago54.61.017.21.116.61.35.50.911.71.11.80.426.20.5
11-20 years ago18.00.810.00.98.41.03.60.77.70.91.90.410.50.4
21-30 years ago5.00.43.80.63.30.63.00.73.20.61.20.43.60.2
31-40 years ago1.70.32.10.41.10.42.00.62.30.51.50.41.80.2
41-50 years ago0.60.21.40.31.50.41.50.51.30.41.50.41.10.1
over 50 years ago1.50.24.50.64.40.75.90.98.30.95.60.74.20.2
total86.40.747.21.446.51.731.01.748.21.724.71.456.20.5
inside perimetern/a0.40.10.80.30.90.32.20.60.80.32.80.51.10.1
less than 10 years ago2.60.32.50.53.80.73.80.73.60.62.60.52.90.2
11-20 years ago1.10.21.70.42.70.53.50.72.80.62.70.52.10.2
21-30 years ago0.50.10.80.31.20.42.50.61.00.31.20.41.00.1
31-40 years ago0.40.10.50.21.00.42.20.60.90.32.00.50.90.1
41-50 years ago0.20.10.60.20.0.2.60.60.10.12.50.50.80.1
over 50 years ago0.40.10.40.20.70.33.60.71.30.43.10.61.20.1
total5.40.57.30.810.31.120.61.610.51.016.91.210.00.4
outside perimetern/a0.60.24.40.66.90.97.21.05.60.813.41.15.00.3
less than 10 years ago3.70.418.91.115.21.39.81.113.11.15.10.79.70.3
11-20 years ago1.80.39.90.98.51.04.90.87.70.93.70.65.30.3
21-30 years ago0.70.25.50.74.10.75.90.93.70.64.30.73.30.2
31-40 years ago0.40.12.00.42.50.56.10.93.20.63.90.62.30.2
41-50 years ago0.30.11.20.32.00.53.50.72.30.56.40.82.10.2
over 50 years ago0.70.23.50.53.90.710.91.25.90.821.61.36.10.3
total8.20.645.51.443.21.748.41.941.41.658.41.633.80.5
totaln/a6.00.513.41.019.11.419.01.520.11.327.41.414.80.4
less than 10 years ago60.81.038.61.435.71.719.11.528.31.59.51.038.80.5
11-20 years ago20.90.821.61.219.61.412.11.318.11.38.30.917.90.5
21-30 years ago6.10.510.10.98.61.011.41.27.90.96.80.87.90.3
31-40 years ago2.50.34.60.64.60.710.41.26.30.87.40.85.00.3
41-50 years ago1.10.23.20.53.50.67.71.03.70.610.41.04.00.2
over 50 years ago2.60.38.50.89.01.020.41.615.51.230.31.511.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865129/331460
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