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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
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/a0.0.0.50.50.40.40.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago57.52.057.63.462.03.279.22.375.01.936.35.044.93.042.13.522.73.313.73.414.43.616.22.318.71.88.51.644.70.8
11-20 years ago19.41.626.03.016.42.515.72.015.31.620.14.121.82.523.03.013.92.715.73.613.23.68.71.713.91.66.51.416.30.6
21-30 years ago8.91.16.61.79.02.02.60.95.41.015.93.76.41.59.12.113.42.718.63.916.54.07.21.613.11.69.01.68.80.5
31-40 years ago6.01.02.91.24.41.41.00.52.00.65.82.47.21.65.81.66.72.011.23.29.22.911.92.09.31.314.62.16.50.4
41-50 years ago4.00.81.90.92.41.10.0.1.00.47.02.64.71.25.61.69.02.26.02.43.72.19.91.97.71.210.21.84.90.3
over 50 years ago4.20.84.51.55.31.61.60.71.30.514.93.614.72.114.42.534.23.734.94.843.05.246.03.137.42.351.32.918.70.6
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...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago34.79.9....0.0...40.910.516.06.627.811.840.26.724.17.530.38.221.63.616.43.69.53.422.91.9
11-20 years ago12.76.9....0.0...20.48.447.09.312.88.513.04.620.56.816.96.416.93.318.63.84.32.416.81.6
21-30 years ago17.57.9....0.0...12.56.89.45.213.08.620.45.515.16.38.04.49.22.516.53.78.43.312.71.5
31-40 years ago22.48.8....0.0...13.07.14.14.00.0.5.73.29.15.07.23.98.72.512.63.38.23.29.31.3
41-50 years ago0.0.....0.0...8.15.66.54.532.012.03.92.79.25.16.64.67.92.49.22.810.03.68.21.2
over 50 years ago12.76.9....100.0...4.94.817.17.014.39.416.85.122.17.331.18.335.84.226.74.359.65.830.02.0
total100.0.....100.0...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 ago48.04.240.811.172.58.955.87.060.19.338.94.753.23.445.03.830.94.235.56.829.25.022.32.422.52.310.51.329.40.9
11-20 years ago19.43.334.710.711.56.222.05.918.17.420.13.922.12.823.33.215.93.321.65.921.34.410.91.819.62.25.71.015.30.8
21-30 years ago7.62.24.84.74.64.58.03.818.77.59.32.78.92.08.62.116.03.311.94.613.33.69.41.715.42.07.01.110.00.6
31-40 years ago5.11.99.96.73.83.88.13.90.0.8.92.73.91.39.62.28.22.55.53.14.82.47.11.511.81.88.21.17.80.6
41-50 years ago4.81.80.0.7.65.20.0.0.0.5.72.12.91.23.41.49.72.73.92.74.82.49.41.75.61.29.01.26.50.5
over 50 years ago15.13.09.96.70.0.6.23.43.03.017.03.79.01.910.12.319.33.621.55.826.64.941.02.925.12.359.62.031.10.9
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/a0.0.0.40.40.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.11.856.13.263.13.175.82.274.21.838.03.246.82.242.92.528.42.521.63.123.03.019.81.519.81.39.81.037.80.5
11-20 years ago19.21.426.82.915.92.416.51.915.51.520.12.723.31.922.72.114.51.918.22.817.12.611.11.216.51.25.90.816.00.4
21-30 years ago8.91.06.51.68.61.83.30.96.11.012.52.17.61.29.01.515.51.916.12.713.82.48.51.114.41.27.70.99.50.4
31-40 years ago6.30.93.51.24.31.31.90.71.90.68.01.85.71.07.31.37.11.49.22.17.11.79.31.110.61.010.11.07.20.3
41-50 years ago4.00.71.70.93.01.10.0.0.90.46.51.64.10.95.61.28.51.56.01.84.61.59.31.17.10.99.40.95.70.3
over 50 years ago6.40.95.01.44.81.42.50.81.40.514.92.412.51.412.51.726.12.428.93.434.43.342.01.931.61.557.01.623.80.5
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 #863069/329400
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