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NFI4
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.0.0.50.50.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.61.852.23.355.93.168.22.471.51.915.52.523.61.921.42.110.51.77.52.06.11.75.90.99.31.02.60.526.30.5
11-20 years ago15.21.323.82.814.92.313.61.814.21.58.01.911.61.411.41.66.41.36.81.95.51.63.40.77.20.91.90.59.40.4
21-30 years ago7.00.96.11.67.81.82.20.85.21.06.61.72.90.84.41.15.91.39.22.24.41.61.70.55.50.82.40.54.60.3
31-40 years ago4.70.82.71.14.01.20.80.51.90.62.61.13.80.93.10.92.80.96.01.84.21.44.30.85.00.84.50.73.80.2
41-50 years ago3.20.61.70.92.21.00.0.0.90.43.11.22.60.72.70.84.61.11.71.01.71.03.20.74.10.73.10.62.70.2
over 50 years ago3.20.64.21.44.81.41.40.61.10.46.61.77.21.16.91.315.42.020.03.016.62.616.21.418.41.314.31.110.10.4
total78.81.491.11.989.91.986.31.894.90.942.33.451.92.249.82.645.42.751.33.838.73.434.81.849.41.728.81.457.00.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.10.40.0.0.0.0.0.0.0.4.01.30.90.41.10.56.71.44.01.55.41.74.30.82.00.50.70.31.80.2
11-20 years ago0.40.20.0.0.0.0.0.0.0.2.00.92.40.70.50.32.10.83.91.43.01.23.40.72.30.50.30.21.30.1
21-30 years ago0.50.30.0.0.0.0.0.0.0.1.20.70.50.30.50.33.41.02.91.31.40.81.80.51.90.50.60.31.00.1
31-40 years ago0.70.30.0.0.0.0.0.0.0.1.30.70.20.20.0.0.90.51.71.01.30.71.70.51.60.40.60.30.70.1
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.80.60.40.31.20.50.60.51.71.01.20.81.60.51.10.40.80.30.70.1
over 50 years ago0.40.20.0.0.0.0.0.0.0.0.50.51.00.40.50.42.80.94.21.65.51.77.11.03.20.64.50.72.40.2
total3.10.60.0.0.0.0.0.0.0.9.82.05.41.03.81.016.62.118.53.017.72.819.91.512.11.17.50.88.00.3
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.81.03.61.37.31.77.71.43.10.718.62.622.71.920.92.111.81.810.72.412.72.410.31.28.61.06.70.810.30.4
11-20 years ago3.40.63.11.11.20.73.00.90.90.49.62.09.51.310.81.66.01.36.51.99.32.15.00.97.70.93.70.65.40.3
21-30 years ago1.40.40.40.40.50.51.10.51.00.44.41.33.60.84.01.06.11.33.61.45.81.64.20.85.80.84.40.73.40.2
31-40 years ago0.90.30.90.60.40.41.10.60.0.4.31.31.70.64.51.13.11.01.71.02.11.13.10.74.70.75.10.72.70.2
41-50 years ago0.90.30.0.0.80.50.0.0.0.2.71.01.30.51.60.63.71.11.20.82.11.14.20.82.20.55.80.82.30.2
over 50 years ago2.80.60.90.60.0.0.80.50.20.28.21.93.90.94.71.17.31.46.51.911.62.318.61.59.51.038.01.610.90.4
total18.11.38.91.910.11.913.71.85.10.947.93.442.72.246.42.638.02.730.23.543.63.545.32.038.51.763.71.535.10.5
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.855.83.363.23.175.92.274.61.838.23.247.22.243.32.628.92.522.33.224.23.120.51.619.91.410.01.038.40.6
11-20 years ago19.01.426.83.016.12.416.61.915.21.519.62.723.61.922.72.214.61.917.32.917.82.811.81.317.11.35.90.816.10.5
21-30 years ago8.91.06.61.68.21.83.30.96.21.012.32.27.11.28.81.515.32.015.62.811.62.37.71.013.21.27.50.99.10.4
31-40 years ago6.30.93.61.24.41.31.90.71.90.68.11.85.71.07.51.46.81.49.42.27.61.89.21.111.31.110.21.07.30.3
41-50 years ago4.10.71.70.93.01.10.0.0.90.46.61.64.20.95.51.28.91.64.71.65.01.68.91.17.40.99.61.05.70.3
over 50 years ago6.40.95.11.54.81.42.20.81.20.515.22.412.01.412.11.725.52.430.73.633.73.441.92.031.11.656.81.623.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863003/329334
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