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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 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 ago58.12.057.53.463.03.379.82.375.41.940.55.547.33.244.43.828.54.220.75.223.16.021.23.224.22.413.82.751.30.8
11-20 years ago19.31.626.23.116.82.615.72.115.01.620.94.523.62.723.63.216.13.417.24.718.25.611.52.419.02.28.82.218.10.7
21-30 years ago8.91.26.81.78.82.02.30.85.51.015.03.95.91.59.12.213.83.218.75.015.95.56.41.913.81.98.52.28.30.5
31-40 years ago5.91.03.01.24.51.41.00.62.00.65.62.57.71.76.41.86.92.48.33.69.23.910.62.411.11.813.02.66.00.4
41-50 years ago3.90.81.91.02.51.10.0.1.00.48.03.05.31.45.11.78.52.64.72.64.73.38.82.26.31.48.22.24.00.3
over 50 years ago3.80.84.11.43.91.41.30.61.20.510.03.310.31.911.42.426.24.130.45.828.96.641.53.825.52.447.83.912.30.6
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........40.910.516.56.829.712.542.46.922.18.131.58.422.03.716.93.99.93.623.61.9
11-20 years ago12.76.9........20.48.445.19.513.79.112.04.621.57.617.56.717.93.520.44.14.52.517.41.7
21-30 years ago17.57.9........12.56.89.75.313.99.119.55.614.86.98.34.69.72.616.03.88.73.412.71.5
31-40 years ago22.48.8........13.07.14.24.10.0.6.03.47.45.17.44.18.42.512.73.48.63.49.31.3
41-50 years ago0.0.........8.15.66.74.634.312.64.12.811.26.16.84.87.52.410.13.010.43.78.61.3
over 50 years ago12.76.9........4.94.817.77.28.48.016.05.223.08.228.48.234.54.323.94.457.95.928.52.1
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 ago48.64.240.811.172.58.957.07.160.19.340.14.854.93.546.13.831.54.241.77.834.15.723.32.523.32.411.51.431.11.0
11-20 years ago18.33.234.710.711.56.222.46.018.17.420.74.022.12.924.23.316.13.324.66.924.05.011.31.921.32.46.21.116.10.8
21-30 years ago7.72.24.84.74.64.58.13.918.77.59.62.88.82.08.32.116.33.312.45.214.94.29.41.716.12.17.71.210.30.7
31-40 years ago5.11.99.96.73.83.88.24.00.0.9.22.83.61.39.22.28.42.56.83.85.82.97.11.511.11.87.41.17.50.6
41-50 years ago4.91.80.0.7.65.20.0.0.0.5.92.22.61.13.51.49.92.74.93.44.42.69.41.75.81.38.91.26.40.5
over 50 years ago15.33.09.96.70.0.4.22.93.03.014.53.68.01.98.72.217.93.59.64.616.84.339.52.922.32.458.32.228.50.9
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 ago55.71.856.13.364.03.176.72.274.61.840.43.348.82.344.62.632.22.827.74.030.03.822.41.722.81.611.81.241.70.6
11-20 years ago18.91.426.93.016.32.416.62.015.21.520.82.824.22.023.52.215.42.120.43.520.73.312.81.420.21.56.60.917.30.5
21-30 years ago9.01.06.61.68.31.83.10.96.21.012.12.27.41.28.91.515.82.115.93.213.72.88.61.215.11.37.91.09.40.4
31-40 years ago6.30.93.61.24.41.32.00.71.90.68.11.95.71.17.51.47.31.67.62.37.22.08.41.211.31.28.71.06.80.3
41-50 years ago4.00.71.80.93.01.10.0.0.90.47.01.74.20.95.51.28.31.66.12.15.11.98.81.26.60.98.91.05.30.3
over 50 years ago6.20.94.61.43.51.21.70.71.20.511.72.39.71.310.01.620.92.422.33.723.23.539.12.024.01.656.01.819.40.5
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 #863065/329396
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