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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: accessible 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/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.31.138.52.230.32.417.92.518.81.910.11.946.60.8
11-20 years ago17.90.920.61.820.12.19.81.914.41.77.71.716.90.6
21-30 years ago6.60.610.31.313.61.87.71.813.71.69.91.99.00.5
31-40 years ago3.50.46.81.18.51.513.52.39.41.416.92.46.80.4
41-50 years ago2.00.36.91.14.71.110.82.08.01.310.92.04.80.4
over 50 years ago2.60.416.91.622.82.240.33.235.82.344.63.115.90.6
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 ago54.84.545.45.835.65.633.84.327.74.721.03.535.81.9
11-20 years ago16.53.417.84.528.15.212.43.022.84.410.12.616.71.5
21-30 years ago8.42.513.44.011.03.77.12.315.93.98.02.310.11.2
31-40 years ago3.31.62.71.912.83.88.32.514.43.77.02.17.81.1
41-50 years ago1.71.24.12.35.72.87.42.46.32.59.52.56.01.0
over 50 years ago15.43.216.74.46.82.930.94.212.93.544.44.223.71.7
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 ago48.63.842.22.338.32.817.72.220.22.27.91.226.91.0
11-20 years ago21.03.120.81.921.62.413.22.019.32.14.71.015.70.8
21-30 years ago9.12.211.91.511.01.810.51.816.42.07.41.211.00.7
31-40 years ago8.82.26.81.26.41.47.51.510.81.78.81.38.10.6
41-50 years ago4.51.65.61.15.71.39.91.86.81.49.11.37.20.6
over 50 years ago8.02.012.71.517.02.241.12.926.62.462.02.231.01.0
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 #865254/331585
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