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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: accessible 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/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago58.12.057.53.463.03.379.92.375.41.938.25.346.63.143.63.724.93.816.64.316.74.318.02.719.42.010.72.147.70.8
11-20 years ago19.31.626.23.116.82.615.62.115.01.619.74.323.22.623.33.114.83.113.83.915.14.210.82.215.01.87.61.817.00.6
21-30 years ago8.91.26.81.78.82.02.30.85.51.016.23.95.81.58.92.112.82.918.94.512.04.05.41.611.41.69.11.98.20.5
31-40 years ago5.91.03.01.24.51.41.00.62.00.65.32.47.51.76.31.86.82.211.93.711.53.613.52.410.31.517.22.56.70.4
41-50 years ago3.90.81.91.02.51.10.0.1.00.47.62.85.21.45.61.711.12.73.82.14.62.610.02.18.51.411.62.14.90.4
over 50 years ago3.80.84.11.43.91.41.30.61.20.513.03.611.62.012.32.529.64.035.05.440.15.842.33.535.42.443.83.315.40.6
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.
inside perimetern/a0.0.........0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago34.79.9........40.910.516.56.829.712.542.46.920.67.631.58.421.53.716.33.79.63.523.11.9
11-20 years ago12.76.9........20.48.445.19.513.79.112.04.619.97.217.56.717.53.419.74.04.32.517.01.7
21-30 years ago17.57.9........12.56.89.75.313.99.119.55.613.86.58.34.69.52.616.53.88.53.312.61.5
31-40 years ago22.48.8........13.07.14.24.10.0.6.03.410.35.77.44.18.92.613.43.58.33.39.71.3
41-50 years ago0.0.........8.15.66.74.634.312.64.12.810.45.76.84.88.22.59.83.010.13.68.61.3
over 50 years ago12.76.9........4.94.817.77.28.48.016.05.225.08.228.48.234.54.324.24.359.15.828.92.0
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago48.64.240.811.172.58.957.07.160.19.339.84.854.93.545.83.831.54.238.07.434.15.723.32.523.32.411.01.330.61.0
11-20 years ago18.33.234.710.711.56.222.46.018.17.420.54.022.12.924.03.316.13.324.66.624.05.011.31.920.82.36.01.015.80.8
21-30 years ago7.72.24.84.74.64.58.13.918.77.59.52.78.82.08.92.216.33.313.65.214.94.29.41.715.72.17.41.110.20.7
31-40 years ago5.11.99.96.73.83.88.24.00.0.9.12.83.61.39.22.28.42.56.23.55.82.97.11.511.51.88.41.27.80.6
41-50 years ago4.91.80.0.7.65.20.0.0.0.5.82.22.61.13.51.49.92.74.43.14.42.69.41.76.01.39.11.26.50.5
over 50 years ago15.33.09.96.70.0.4.22.93.03.015.33.68.01.98.62.117.93.513.25.016.84.339.52.922.72.458.12.129.00.9
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.
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.71.856.13.364.03.176.82.274.61.839.23.348.42.344.12.630.42.623.83.526.53.421.21.720.51.410.81.139.80.6
11-20 years ago18.91.426.93.016.32.416.52.015.21.520.22.724.01.923.32.214.92.018.23.119.13.012.41.317.81.36.30.816.60.5
21-30 years ago9.01.06.61.68.31.83.10.96.21.012.62.27.31.29.11.515.32.116.43.012.52.58.11.113.71.27.90.99.30.4
31-40 years ago6.30.93.61.24.41.32.00.71.90.67.91.85.71.17.41.47.31.59.92.48.52.09.61.211.11.110.71.17.30.3
41-50 years ago4.00.71.80.93.01.10.0.0.90.46.81.64.10.95.71.29.51.75.21.85.01.79.31.27.70.99.91.05.80.3
over 50 years ago6.20.94.61.43.51.21.70.71.20.513.32.410.41.410.41.622.72.426.63.628.53.439.42.029.21.654.41.721.20.5
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 #863068/329399
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