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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/a0.10.10.20.20.0.0.0.0.0.0.0.0.10.0
less than 10 years ago66.91.136.52.128.42.316.22.318.71.88.51.644.80.8
11-20 years ago17.90.919.31.718.92.08.71.713.91.66.51.416.20.6
21-30 years ago6.60.610.21.313.01.77.21.613.11.69.01.68.80.5
31-40 years ago3.50.46.81.18.31.411.92.09.31.314.62.16.60.4
41-50 years ago2.00.36.41.05.21.19.91.97.71.210.21.84.80.3
over 50 years ago3.00.420.61.726.42.246.03.137.42.351.32.918.70.6
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 ago54.44.544.85.834.75.533.34.327.14.620.23.435.01.9
11-20 years ago17.13.418.94.627.45.112.23.022.34.39.72.516.71.5
21-30 years ago8.32.513.23.912.03.87.02.315.53.87.72.210.01.2
31-40 years ago3.31.62.71.912.53.78.22.514.13.66.72.07.61.0
41-50 years ago1.71.24.02.35.62.77.22.36.22.59.12.45.90.9
over 50 years ago15.23.216.44.37.93.132.14.214.93.746.64.224.91.7
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 ago48.43.841.32.236.42.717.52.219.42.17.71.226.10.9
11-20 years ago20.83.120.81.920.42.312.91.918.52.14.50.915.30.8
21-30 years ago9.12.211.81.510.51.710.21.815.72.07.01.110.60.7
31-40 years ago8.72.16.91.26.31.47.31.511.51.78.61.28.20.6
41-50 years ago4.51.65.71.15.71.39.61.76.51.39.11.37.10.6
over 50 years ago8.52.113.41.620.72.342.42.928.32.463.12.132.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
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 #865252/331583
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