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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 without shrub 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/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.71.852.83.356.43.268.92.471.41.916.62.624.41.922.52.211.71.910.12.67.82.06.91.010.81.12.90.628.20.5
11-20 years ago15.41.323.92.815.02.313.41.814.41.59.22.012.11.412.01.76.91.47.72.35.31.83.40.78.01.02.00.510.00.4
21-30 years ago7.10.96.11.68.31.81.90.75.20.96.41.73.30.84.61.16.31.49.22.56.52.02.60.77.10.91.80.55.00.3
31-40 years ago4.80.82.61.14.01.20.80.51.90.62.21.04.00.93.10.93.01.04.41.83.21.33.80.84.70.83.40.63.50.2
41-50 years ago3.00.61.70.92.21.00.0.0.90.43.21.22.60.73.00.93.31.02.11.22.01.23.30.72.80.62.00.52.40.2
over 50 years ago3.10.63.71.33.51.21.10.51.30.54.01.46.21.06.01.210.81.813.72.910.22.313.11.412.51.211.51.17.50.3
total79.01.491.31.989.92.086.21.895.00.941.63.452.62.251.32.642.02.847.24.235.03.733.21.845.81.823.71.556.60.6
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 ago1.10.40.0.0.0.0.0.0.0.4.21.40.90.41.10.57.21.55.01.86.32.04.30.82.20.50.80.31.90.2
11-20 years ago0.40.20.0.0.0.0.0.0.0.2.10.92.60.70.50.32.00.84.81.83.51.43.50.72.50.60.40.21.40.2
21-30 years ago0.50.30.0.0.0.0.0.0.0.1.30.70.50.30.50.43.31.02.91.41.71.01.90.52.10.50.70.31.00.1
31-40 years ago0.70.30.0.0.0.0.0.0.0.1.30.80.20.20.0.1.00.61.41.01.50.81.60.51.60.50.70.30.70.1
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.80.60.40.31.20.50.70.52.21.21.41.01.60.51.30.40.90.30.70.1
over 50 years ago0.40.20.0.0.0.0.0.0.0.0.50.51.00.40.30.32.70.94.41.86.52.06.81.03.00.64.90.82.30.2
total3.00.60.0.0.0.0.0.0.0.10.22.05.61.03.60.917.02.220.73.521.03.219.81.612.81.28.51.08.10.3
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 ago8.71.03.61.37.41.77.71.43.00.719.42.722.81.920.72.112.71.912.52.915.02.810.71.39.61.17.70.910.90.4
11-20 years ago3.40.63.01.11.20.73.00.90.90.410.02.19.11.310.81.66.51.48.12.410.22.35.20.98.61.04.20.75.60.3
21-30 years ago1.40.40.40.40.50.51.10.50.90.44.61.43.80.94.01.06.61.43.71.66.31.94.50.86.70.95.20.83.70.2
31-40 years ago0.90.30.90.60.40.41.10.60.0.4.41.41.50.64.11.03.41.12.11.22.51.33.40.74.40.74.90.82.60.2
41-50 years ago0.90.30.0.0.80.50.0.0.0.2.81.11.10.51.60.64.01.11.51.01.91.14.50.82.50.66.00.82.30.2
over 50 years ago2.70.60.90.60.0.0.90.50.20.27.01.83.50.83.91.07.91.64.31.78.22.018.71.69.61.139.81.710.30.4
total17.91.38.71.910.12.013.81.85.00.948.23.541.82.245.22.641.12.832.14.044.03.847.12.041.41.867.81.635.40.6
totaln/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.856.43.363.73.176.62.274.41.840.13.348.12.244.32.631.62.727.53.929.23.621.91.722.71.511.41.141.00.6
11-20 years ago19.21.426.92.916.22.416.41.915.31.521.32.823.81.923.42.215.52.120.73.419.03.012.21.319.11.46.60.917.10.5
21-30 years ago9.01.06.51.68.71.93.00.96.11.012.32.27.71.29.11.516.22.115.73.114.52.89.01.216.01.37.80.99.70.4
31-40 years ago6.40.93.51.24.41.31.90.71.90.68.01.85.71.07.31.37.41.57.92.37.21.98.91.210.71.19.01.06.80.3
41-50 years ago3.90.71.70.93.01.10.0.0.90.46.91.74.00.95.81.28.01.65.82.05.31.89.51.26.50.99.01.05.40.3
over 50 years ago6.20.94.51.43.51.22.00.71.40.511.52.210.71.410.21.621.42.422.43.624.93.438.52.025.11.656.21.820.00.5
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 #862998/329329
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