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NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.0.0.1.10.50.0.0.70.711.111.13.73.61.90.81.61.20.70.70.80.80.0.2.02.02.81.60.0.0.0.0.0.0.70.70.90.96.64.51.10.52.81.40.0.0.0.1.10.2
less than 10 years ago72.92.818.011.654.210.257.52.451.36.054.14.533.316.735.49.128.92.544.54.751.23.769.74.243.312.336.06.950.14.764.46.564.64.047.45.964.84.914.93.530.78.550.72.622.73.578.811.474.42.851.70.9
11-20 years ago17.52.440.014.528.18.624.32.134.15.523.33.80.0.33.68.521.92.337.24.631.63.621.03.818.810.123.25.726.44.132.06.426.43.718.24.628.44.614.03.412.25.822.02.116.73.113.19.218.22.523.20.7
21-30 years ago4.21.324.312.69.86.66.81.25.52.88.22.511.111.16.84.69.71.710.52.910.32.45.92.20.0.10.04.44.52.00.0.4.21.511.13.74.12.17.82.719.47.213.11.713.92.90.0.5.31.58.10.5
31-40 years ago2.10.90.0.0.0.3.10.85.92.95.82.011.111.17.14.96.81.44.41.91.71.01.51.10.0.6.43.61.71.21.91.92.81.47.13.10.0.11.53.10.0.3.81.09.52.50.0.1.40.84.00.4
41-50 years ago1.30.78.88.30.0.1.60.61.51.53.01.533.316.70.0.4.81.20.90.90.0.1.21.14.14.04.22.94.92.01.61.60.0.5.62.70.0.9.83.06.74.72.10.86.82.10.0.0.0.2.60.3
over 50 years ago1.60.89.08.77.85.75.51.11.71.74.81.90.0.13.46.326.12.40.90.94.51.60.0.33.811.818.15.59.62.90.0.2.01.210.63.62.01.441.04.824.37.57.11.327.53.88.07.90.80.59.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a..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...0.0.0.0.0.0.0.0.0.0...0.0.
less than 10 years ago..36.729.3100.0.38.56.0..51.020.5..31.39.924.74.141.422.70.0.100.0.77.719.320.013.123.99.5..0.0.42.616.7..13.55.134.110.547.39.721.53.7100.0...29.02.1
11-20 years ago..0.0.0.0.29.35.7..49.020.5..14.67.925.14.137.321.569.126.30.0.0.0.22.914.938.511.0..0.0.9.89.4..4.53.15.15.023.18.316.63.40.0...20.41.9
21-30 years ago..63.329.30.0.16.74.6..0.0...14.87.912.53.121.318.530.926.30.0.0.0.8.28.115.48.2..0.0.13.212.2..16.45.727.910.57.45.113.43.10.0...14.21.6
31-40 years ago..0.0.0.0.6.13.0..0.0...10.16.810.12.90.0.0.0.0.0.0.0.13.012.05.65.5..0.0.9.89.4..11.14.716.08.47.45.117.13.40.0...10.71.4
41-50 years ago..0.0.0.0.3.12.2..0.0...10.26.94.62.00.0.0.0.0.0.0.0.27.716.411.17.4..0.0.0.0...2.32.25.35.27.14.86.62.30.0...5.51.1
over 50 years ago..0.0.0.0.6.23.0..0.0...19.18.823.04.00.0.0.0.0.0.22.319.38.28.15.55.3..100.0.24.615.0..52.27.611.57.77.85.324.83.90.0...20.31.8
total..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...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..0.0.0.0.0.30.30.0.0.0...0.0.1.80.70.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.0.1.00.50.0.0.0.1.00.60.0.0.0.0.80.2
less than 10 years ago..39.414.440.012.547.32.739.511.537.75.8..37.89.430.72.336.56.643.68.575.610.858.815.039.18.237.04.20.0.35.213.032.66.285.210.09.31.546.710.139.95.519.92.454.813.376.215.031.01.0
11-20 years ago..44.414.837.612.726.42.440.711.421.95.0..29.48.920.92.127.16.031.37.95.15.127.513.918.36.327.43.850.036.133.612.830.16.014.810.010.51.618.97.616.14.113.62.130.913.013.712.720.20.9
21-30 years ago..6.86.816.89.010.51.710.57.223.44.8..7.75.39.61.512.74.513.65.60.0.0.0.11.05.310.92.750.036.15.55.49.73.80.0.9.31.47.14.912.23.615.02.214.39.50.0.11.00.7
31-40 years ago..0.0.5.65.66.01.39.26.33.02.1..14.76.99.71.55.63.13.43.30.0.0.0.9.04.97.62.30.0.17.110.912.44.30.0.9.71.50.0.8.53.113.12.00.0.10.19.78.60.6
41-50 years ago..9.49.10.0.2.40.80.0.5.33.0..3.53.57.61.35.23.00.0.6.05.813.79.22.82.83.61.60.0.8.58.28.43.60.0.17.11.90.0.7.53.012.42.00.0.0.0.8.30.6
over 50 years ago..0.0.0.0.7.11.40.0.8.63.4..6.84.719.62.012.84.68.24.513.28.90.0.19.86.412.73.00.0.0.0.6.93.40.0.43.02.527.28.915.74.025.02.60.0.0.0.20.10.9
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.0.0.0.70.30.0.0.50.511.111.11.41.41.60.41.10.80.60.60.60.60.0.1.01.01.60.80.0.0.0.0.0.0.60.60.90.42.71.90.80.41.30.50.0.0.0.0.90.1
less than 10 years ago72.92.829.39.150.48.052.01.748.95.348.73.533.316.735.15.529.21.641.93.849.13.471.43.853.29.035.85.041.53.062.56.561.63.940.94.267.24.610.71.337.15.748.72.321.01.868.88.874.42.842.40.6
11-20 years ago17.52.437.49.730.87.125.51.535.44.923.53.00.0.27.05.021.91.434.03.632.13.318.53.318.97.221.24.127.92.732.66.326.93.522.73.626.74.210.71.312.83.721.11.915.11.520.67.918.02.521.90.5
21-30 years ago4.21.321.17.911.95.39.11.06.62.713.02.311.111.19.33.410.01.011.52.411.12.25.11.90.0.10.33.28.61.71.51.54.31.410.62.63.61.99.61.317.34.412.61.514.41.56.44.35.11.49.60.4
31-40 years ago2.10.90.0.1.91.94.50.76.62.74.81.511.111.110.63.68.61.04.71.62.01.01.30.90.0.8.02.94.91.41.91.94.11.79.52.50.0.10.21.34.02.24.81.013.01.50.0.1.70.86.20.3
41-50 years ago1.30.78.15.50.0.2.00.51.21.23.71.433.316.74.02.36.10.82.31.10.0.1.61.26.63.45.72.54.71.31.51.50.80.86.42.00.0.14.51.54.12.43.30.89.61.30.0.0.0.4.90.3
over 50 years ago1.60.84.14.15.13.76.20.81.31.35.91.70.0.12.63.822.61.54.71.65.01.61.41.021.37.417.93.910.81.90.0.2.41.29.92.61.71.243.42.122.24.88.61.325.61.94.24.20.70.514.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853404/319735
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a4.51.27.27.17.35.36.31.13.72.17.22.127.313.98.74.89.61.56.22.17.91.94.41.88.66.011.04.26.72.23.42.46.21.89.73.32.71.311.62.920.26.26.71.212.82.60.0.5.61.47.20.4
less than 10 years ago71.22.721.611.150.210.057.12.252.75.753.04.227.313.940.88.428.52.444.24.550.33.569.33.942.611.534.16.451.14.464.56.262.73.844.45.665.04.814.03.231.27.350.62.422.33.283.29.272.52.751.00.8
11-20 years ago16.02.233.912.725.98.121.41.830.25.020.53.40.0.27.37.419.72.134.24.327.53.218.63.416.28.820.45.123.83.728.95.823.03.315.94.126.74.412.53.09.64.619.61.914.62.810.47.415.62.220.50.7
21-30 years ago3.71.221.711.39.46.46.01.15.12.67.22.29.19.05.84.08.61.59.62.68.92.15.32.00.0.9.14.04.01.80.0.3.81.49.73.33.92.16.92.414.95.611.61.612.12.50.0.4.41.27.10.4
31-40 years ago1.90.90.0.0.0.2.80.75.42.75.11.89.19.05.94.26.01.24.11.81.40.81.41.00.0.5.33.01.61.11.71.72.51.36.22.70.0.10.12.80.0.3.40.98.22.20.0.1.10.63.50.3
41-50 years ago1.10.68.47.90.0.1.40.51.31.32.71.327.313.90.0.4.31.10.90.90.0.1.01.03.53.43.72.64.41.81.51.50.0.4.82.40.0.8.82.75.13.61.90.76.11.80.0.0.0.2.30.3
over 50 years ago1.60.87.27.17.35.34.91.01.71.74.21.70.0.11.55.523.42.20.80.84.01.50.0.29.210.416.45.08.42.50.0.1.81.09.23.21.71.236.24.419.16.06.31.223.93.36.46.30.70.58.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a..0.0.0.0.8.53.3..28.216.7..12.87.14.11.80.0.0.0.14.113.318.216.58.17.97.35.0..0.0.0.0...7.93.812.76.93.83.88.12.30.0...7.51.1
less than 10 years ago..35.128.4100.0.35.35.7..36.417.1..26.78.727.34.141.822.70.0.85.913.363.719.419.712.829.39.4..0.0.48.316.1..12.04.633.69.745.59.422.73.6100.0...28.82.0
11-20 years ago..0.0.0.0.26.75.3..35.416.8..13.17.222.93.836.221.269.925.90.0.0.0.21.213.831.89.5..0.0.8.38.1..6.13.44.14.122.07.914.63.00.0...18.41.7
21-30 years ago..64.928.40.0.15.34.3..0.0...12.87.111.42.922.019.030.125.90.0.0.0.8.17.913.47.2..0.0.12.311.4..14.95.222.88.87.04.811.72.70.0...12.71.5
31-40 years ago..0.0.0.0.5.62.7..0.0...8.86.19.22.70.0.0.0.0.0.0.0.10.910.24.84.7..0.0.8.38.1..10.14.313.27.17.04.815.23.10.0...9.61.3
41-50 years ago..0.0.0.0.2.82.0..0.0...9.06.24.21.80.0.0.0.0.0.0.0.24.014.69.16.2..0.0.0.0...2.02.04.44.37.14.85.82.00.0...4.80.9
over 50 years ago..0.0.0.0.5.72.8..0.0...16.77.820.93.70.0.0.0.0.0.18.216.58.17.94.34.2..100.0.22.814.0..47.17.29.16.27.65.221.93.50.0...18.21.7
total..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...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..13.08.94.34.36.51.30.0.3.72.1..3.43.310.11.49.43.72.52.50.0.0.0.11.95.18.02.133.327.713.28.89.83.60.0.8.91.44.03.912.93.410.91.88.37.90.0.8.60.6
less than 10 years ago..38.912.948.811.046.42.646.211.038.05.6..42.69.030.92.235.46.143.28.477.810.065.113.435.87.437.53.90.0.31.111.831.75.885.89.710.11.546.79.736.34.919.52.349.313.178.613.630.90.9
11-20 years ago..35.212.729.610.523.72.236.210.520.54.7..25.78.018.31.823.45.330.07.75.04.923.512.315.55.424.23.433.327.729.011.326.45.414.29.79.61.417.47.014.53.612.11.828.812.311.610.918.00.8
21-30 years ago..6.05.912.97.19.51.59.36.422.04.6..7.14.98.41.311.13.913.05.50.0.0.0.9.44.59.62.433.327.74.84.78.33.30.0.8.31.36.84.710.03.013.31.913.69.10.0.9.80.6
31-40 years ago..0.0.4.34.35.41.28.25.62.82.0..12.56.08.51.35.02.83.33.30.0.0.0.7.94.36.42.00.0.14.79.510.73.80.0.8.81.40.0.7.12.611.51.80.0.9.89.47.60.6
41-50 years ago..7.06.80.0.2.10.70.0.4.92.7..2.92.96.71.24.52.60.0.5.55.411.57.82.22.23.11.40.0.7.37.17.13.10.0.15.31.70.0.6.32.510.91.80.0.0.0.7.30.5
over 50 years ago..0.0.0.0.6.41.30.0.8.13.2..5.84.117.21.811.24.08.04.511.77.90.0.17.35.711.12.60.0.0.0.5.92.90.0.38.92.325.28.312.93.422.02.40.0.0.0.17.80.8
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.51.29.25.26.13.76.60.82.91.76.81.727.313.97.92.99.10.97.11.87.01.64.31.67.34.111.13.07.41.54.72.76.81.99.22.32.31.19.41.213.33.67.61.110.81.33.53.55.51.47.70.3
less than 10 years ago71.22.730.88.350.57.551.21.651.45.047.83.327.313.937.75.129.51.541.33.648.53.270.83.652.98.333.64.642.62.961.86.159.53.739.33.967.44.511.01.336.65.147.82.120.91.769.48.272.72.642.00.6
11-20 years ago16.02.231.38.526.86.422.71.431.44.521.02.70.0.23.04.419.41.330.73.428.43.016.53.016.16.218.53.624.72.429.15.723.53.119.93.325.24.19.91.210.73.218.81.713.31.417.86.915.52.219.40.5
21-30 years ago3.71.218.46.910.64.88.10.96.02.411.62.19.19.08.13.08.80.910.42.29.82.04.51.70.0.9.12.87.51.51.41.43.91.39.32.33.51.88.61.114.33.611.11.312.61.35.73.94.31.28.50.3
31-40 years ago1.90.90.0.1.61.64.10.66.02.44.21.39.19.09.03.17.60.94.31.51.70.91.20.80.0.6.82.54.31.21.61.63.61.58.22.20.0.9.11.23.31.94.20.911.41.30.0.1.40.75.50.3
41-50 years ago1.10.67.04.80.0.1.80.41.11.13.31.227.313.93.42.05.40.72.11.00.0.1.41.05.52.94.82.14.21.11.41.40.70.75.51.80.0.13.11.43.31.92.90.78.41.10.0.0.0.4.30.3
over 50 years ago1.60.83.23.24.53.35.60.71.31.35.31.50.0.10.93.320.11.34.21.54.61.41.20.918.26.416.13.59.41.70.0.2.11.18.62.31.51.139.01.918.54.17.51.122.51.73.53.50.70.512.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853405/319736
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.0.0.7.51.21.51.53.71.715.711.440.37.025.22.11.61.22.91.30.80.84.03.92.02.012.62.90.0.0.0.5.62.70.70.737.43.737.07.04.51.122.83.10.0.0.0.9.80.5
less than 10 years ago72.92.818.011.654.210.253.82.350.55.952.54.431.615.921.96.222.02.044.54.750.03.769.74.241.611.936.06.945.04.464.46.564.64.044.75.764.84.99.42.320.16.049.12.518.02.978.811.474.42.847.20.8
11-20 years ago17.52.440.014.528.18.622.71.933.65.422.63.70.0.20.85.616.71.837.24.630.93.521.03.818.09.723.25.723.73.732.06.426.43.717.24.428.44.68.92.28.03.921.22.113.32.513.19.218.22.521.10.7
21-30 years ago4.21.324.312.69.86.66.41.15.52.88.02.510.510.54.22.97.41.310.52.910.02.35.92.20.0.10.04.44.01.80.0.4.21.510.53.54.12.15.01.712.74.912.71.711.12.30.0.5.31.57.40.4
31-40 years ago2.10.90.0.0.0.2.90.85.82.95.62.010.510.54.43.15.21.14.41.91.71.01.51.10.0.6.43.61.51.11.91.92.81.46.72.90.0.7.32.00.0.3.71.07.52.00.0.1.40.83.60.3
41-50 years ago1.30.78.88.30.0.1.50.61.51.52.91.531.615.90.0.3.60.90.90.90.0.1.21.14.03.94.22.94.41.81.61.60.0.5.32.60.0.6.21.94.43.12.10.75.41.70.0.0.0.2.40.3
over 50 years ago1.60.89.08.77.85.75.21.01.61.64.61.90.0.8.34.019.91.90.90.94.41.60.0.32.511.418.15.58.62.60.0.2.01.210.03.42.01.425.93.417.85.46.91.321.93.18.07.90.80.58.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a..0.0.0.0.4.52.5..0.0...5.35.26.12.20.0.0.0.0.0.0.0.0.0.3.93.9..0.0.11.210.5..6.23.59.26.23.23.24.81.90.0...5.01.0
less than 10 years ago..36.729.3100.0.36.85.9..51.020.5..29.69.522.93.941.422.70.0.100.0.77.719.320.013.123.09.2..0.0.37.815.4..12.74.831.09.845.89.520.43.6100.0...27.42.0
11-20 years ago..0.0.0.0.28.05.4..49.020.5..13.97.623.33.937.321.552.725.10.0.0.0.22.914.937.010.7..0.0.8.78.4..4.22.94.64.622.38.015.83.30.0...19.31.8
21-30 years ago..63.329.30.0.16.04.4..0.0...14.07.611.72.921.318.523.621.00.0.0.0.8.28.114.87.9..0.0.11.710.9..15.45.425.39.77.14.912.73.00.0...13.41.5
31-40 years ago..0.0.0.0.5.82.8..0.0...9.56.59.42.70.0.0.0.0.0.0.0.13.012.05.45.2..0.0.8.78.4..10.54.414.67.77.14.916.33.20.0...10.11.3
41-50 years ago..0.0.0.0.3.02.1..0.0...9.76.64.31.90.0.0.0.0.0.0.0.27.716.410.67.1..0.0.0.0...2.12.14.94.86.94.76.32.20.0...5.21.0
over 50 years ago..0.0.0.0.5.92.9..0.0...18.08.422.33.80.0.23.621.00.0.22.319.38.28.15.35.1..100.0.21.913.6..49.07.310.47.07.65.123.63.80.0...19.61.8
total..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...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..0.0.0.0.2.00.80.0.0.0...16.66.85.81.20.0.2.72.74.94.80.0.2.52.510.62.60.0.0.0.1.71.70.0.17.11.713.56.42.61.85.61.40.0.0.0.7.30.5
less than 10 years ago..39.414.440.012.546.32.739.511.537.75.8..31.58.329.52.336.56.642.48.372.010.958.815.039.18.033.33.90.0.35.213.032.06.285.210.07.81.240.49.238.95.419.22.354.813.376.215.029.01.0
11-20 years ago..44.414.837.612.725.82.440.711.421.95.0..24.67.620.12.027.16.030.47.74.94.827.513.917.56.124.73.550.036.133.612.829.65.914.810.08.81.316.36.615.74.012.92.030.913.013.712.718.80.8
21-30 years ago..6.86.816.89.010.31.610.57.223.44.8..6.44.59.21.412.74.513.25.50.0.0.0.10.65.19.92.450.036.15.55.49.63.70.0.7.71.26.24.311.83.514.32.114.39.50.0.10.30.6
31-40 years ago..0.0.5.65.65.91.39.26.33.02.1..12.35.89.31.45.63.13.33.20.0.0.0.8.64.76.82.10.0.17.110.912.24.30.0.8.11.20.0.8.33.012.41.90.0.10.19.78.00.6
41-50 years ago..9.49.10.0.2.30.80.0.5.33.0..2.92.97.31.35.23.00.0.5.75.613.79.22.72.73.21.40.0.8.58.28.23.50.0.14.41.60.0.7.32.911.81.90.0.0.0.7.80.6
over 50 years ago..0.0.0.0.7.31.40.0.8.63.4..5.73.918.81.912.84.67.94.412.58.50.0.19.06.211.52.70.0.0.0.6.73.30.0.36.02.223.67.915.33.923.82.50.0.0.0.18.80.8
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.0.0.5.20.71.21.22.41.115.711.425.24.314.51.11.10.82.81.21.20.82.22.22.11.411.01.80.0.0.0.4.41.70.60.621.21.523.84.24.10.910.71.30.0.0.0.8.50.3
less than 10 years ago72.92.829.39.150.48.049.61.748.35.347.83.531.615.926.64.525.31.441.93.847.83.471.03.852.18.935.94.937.52.862.56.561.63.939.14.167.24.68.51.128.74.747.22.219.11.668.88.874.42.839.10.6
11-20 years ago17.52.437.49.730.87.124.31.435.04.823.03.00.0.20.53.919.01.334.03.631.33.218.43.318.57.020.94.025.22.532.66.326.93.521.73.526.74.28.51.19.92.920.41.813.71.420.67.918.02.520.10.5
21-30 years ago4.21.321.17.911.95.38.60.96.52.612.72.310.510.57.02.68.70.911.52.410.82.25.11.90.0.10.13.17.71.61.51.54.31.410.22.53.61.97.61.013.43.412.21.513.01.46.44.35.11.48.90.4
31-40 years ago2.10.90.0.1.91.94.30.76.52.64.71.510.510.58.02.77.50.94.71.61.91.01.30.90.0.7.92.94.51.21.91.94.11.79.02.40.0.8.11.03.11.74.60.911.71.30.0.1.70.85.70.3
41-50 years ago1.30.78.15.50.0.1.90.51.21.23.61.431.615.93.01.75.30.72.31.10.0.1.61.26.53.45.62.54.31.21.51.50.80.86.12.00.0.11.71.23.11.83.20.88.71.20.0.0.0.4.50.3
over 50 years ago1.60.84.14.15.13.76.00.81.31.35.81.60.0.9.62.919.71.34.71.65.41.61.41.020.87.317.63.89.81.80.0.2.41.29.52.51.71.234.51.818.03.98.31.223.21.74.24.20.70.513.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853406/319737
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a4.51.27.27.17.35.313.01.54.92.410.32.531.613.741.06.631.32.16.22.19.72.15.21.911.66.411.04.216.53.13.42.46.21.815.13.92.71.343.73.645.06.29.71.430.73.20.0.5.61.415.40.6
less than 10 years ago71.22.721.611.150.210.053.12.252.05.651.24.125.613.226.46.121.61.944.24.549.33.568.83.941.211.134.16.445.84.264.56.262.73.841.75.365.04.88.92.120.95.249.02.417.72.683.29.272.52.746.50.8
11-20 years ago16.02.233.912.725.98.119.91.729.85.019.93.30.0.17.75.014.91.634.24.326.93.218.43.415.68.520.45.121.33.428.95.823.03.315.03.926.74.47.92.06.43.118.91.911.62.210.47.415.62.218.70.6
21-30 years ago3.71.221.711.39.46.45.61.05.02.67.02.28.58.53.82.66.51.19.62.68.82.05.22.00.0.9.14.03.61.60.0.3.81.49.13.13.92.14.41.59.93.911.21.59.62.00.0.4.41.26.50.4
31-40 years ago1.90.90.0.0.0.2.60.75.32.75.01.78.58.53.82.74.61.04.11.81.40.81.41.00.0.5.33.01.41.01.71.72.51.35.82.60.0.6.41.80.0.3.30.96.51.70.0.1.10.63.20.3
41-50 years ago1.10.68.47.90.0.1.30.51.31.32.61.325.613.20.0.3.20.80.90.90.0.1.01.03.33.33.72.63.91.61.51.50.0.4.52.20.0.5.61.73.42.41.80.64.81.50.0.0.0.2.10.2
over 50 years ago1.60.87.27.17.35.34.60.91.61.64.11.70.0.7.43.617.81.80.80.83.91.40.0.28.210.116.45.07.52.30.0.1.81.08.73.01.71.223.03.114.34.46.11.219.02.76.46.30.70.57.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a..0.0.0.0.12.33.8..28.216.7..17.17.99.52.60.0.0.0.14.113.318.216.58.17.910.45.7..0.0.9.99.4..13.14.619.88.06.84.711.92.70.0...11.71.4
less than 10 years ago..35.128.4100.0.33.85.5..36.417.1..25.48.325.63.841.822.70.0.85.913.363.719.419.712.828.49.2..0.0.43.515.2..11.34.330.99.244.19.321.73.5100.0...27.41.9
11-20 years ago..0.0.0.0.25.65.1..35.416.8..12.56.921.43.636.221.253.725.00.0.0.0.21.213.830.79.3..0.0.7.57.3..5.73.23.83.821.47.714.02.90.0...17.51.6
21-30 years ago..64.928.40.0.14.74.1..0.0...12.26.710.62.722.019.023.120.70.0.0.0.8.17.913.07.0..0.0.11.010.4..14.15.021.08.26.84.711.22.60.0...12.01.4
31-40 years ago..0.0.0.0.5.42.6..0.0...8.45.88.62.50.0.0.0.0.0.0.0.10.910.24.64.5..0.0.7.57.3..9.54.112.26.66.84.714.62.90.0...9.11.2
41-50 years ago..0.0.0.0.2.71.9..0.0...8.65.93.91.70.0.0.0.0.0.0.0.24.014.68.86.0..0.0.0.0...1.91.94.04.06.94.75.61.90.0...4.60.9
over 50 years ago..0.0.0.0.5.52.7..0.0...15.97.520.43.50.0.23.120.70.0.18.216.58.17.94.14.1..100.0.20.512.9..44.46.98.45.77.45.021.03.40.0...17.71.6
total..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...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..13.08.94.34.38.21.40.0.3.72.1..18.06.713.91.69.43.75.23.64.84.76.26.013.65.216.72.933.327.713.28.811.23.70.0.23.61.816.26.714.83.514.41.98.37.90.0.14.40.7
less than 10 years ago..38.912.948.811.045.42.646.211.038.05.6..36.28.229.62.135.46.142.08.274.110.261.013.236.17.233.93.70.0.31.111.831.25.785.89.78.41.240.88.935.54.818.92.249.313.178.613.628.90.9
11-20 years ago..35.212.729.610.523.22.236.210.520.54.7..21.86.917.61.823.45.329.17.54.84.722.011.614.95.321.93.133.327.729.011.326.05.314.29.78.01.215.26.214.23.511.51.828.812.311.610.916.80.7
21-30 years ago..6.05.912.97.19.31.59.36.422.04.6..6.04.28.01.211.13.912.75.30.0.0.0.9.04.38.72.233.327.74.84.78.23.20.0.6.91.15.94.19.83.012.71.913.69.10.0.9.10.6
31-40 years ago..0.0.4.34.35.31.28.25.62.82.0..10.65.18.11.35.02.83.33.20.0.0.0.7.64.15.81.80.0.14.79.510.63.80.0.7.31.10.0.7.02.611.01.70.0.9.89.47.10.5
41-50 years ago..7.06.80.0.2.10.70.0.4.92.7..2.52.46.41.14.52.60.0.5.35.110.87.32.22.22.81.30.0.7.37.17.03.00.0.13.01.40.0.6.12.410.41.70.0.0.0.6.90.5
over 50 years ago..0.0.0.0.6.51.30.0.8.13.2..5.03.416.41.711.24.07.84.411.17.50.0.16.75.510.12.40.0.0.0.5.82.90.0.32.72.022.07.412.63.321.02.30.0.0.0.16.70.7
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.51.29.25.26.13.711.11.03.91.98.81.931.613.728.64.221.21.27.11.88.81.85.51.810.84.711.83.116.12.04.72.76.81.913.22.62.31.127.71.631.74.210.41.319.01.53.53.55.51.414.80.4
less than 10 years ago71.22.730.88.350.57.548.71.650.95.046.83.225.613.229.24.325.51.341.33.647.43.270.03.650.98.133.84.638.62.761.86.159.53.737.53.867.44.58.71.028.54.246.42.119.11.569.48.272.72.638.70.6
11-20 years ago16.02.231.38.526.86.421.61.331.14.520.52.70.0.17.93.516.81.130.73.427.72.916.32.915.56.018.23.522.32.229.15.723.53.119.03.125.24.17.91.08.32.518.21.612.11.317.86.915.52.217.90.5
21-30 years ago3.71.218.46.910.64.87.70.85.92.411.42.08.58.56.32.37.70.810.42.29.61.94.51.70.0.9.02.86.81.41.41.43.91.38.92.23.51.86.80.911.12.810.71.311.41.25.73.94.31.27.90.3
31-40 years ago1.90.90.0.1.61.63.90.65.92.44.21.38.58.56.92.46.60.84.31.51.70.81.20.80.0.6.72.53.91.11.61.63.61.57.92.10.0.7.30.92.61.54.10.810.41.20.0.1.40.75.10.3
41-50 years ago1.10.67.04.80.0.1.70.41.01.03.21.225.613.22.61.54.70.62.11.00.0.1.41.05.32.84.72.13.81.01.41.40.70.75.21.70.0.10.51.12.61.52.80.77.71.00.0.0.0.4.00.2
over 50 years ago1.60.83.23.24.53.35.40.71.31.35.21.50.0.8.52.617.51.24.21.54.81.41.20.917.56.215.83.48.51.60.0.2.11.18.32.21.51.131.21.715.23.37.31.120.41.63.53.50.70.511.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853407/319738
NFI1
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.60.20.50.30.0.0.80.80.80.60.0.0.50.1
less than 10 years ago75.41.056.92.558.13.124.53.943.13.114.93.664.30.9
11-20 years ago15.50.917.41.915.92.316.23.311.82.017.43.815.60.7
21-30 years ago4.10.57.11.36.41.613.43.110.41.910.93.15.90.4
31-40 years ago1.20.35.71.25.21.48.82.58.01.713.13.43.50.3
41-50 years ago0.30.12.70.83.11.15.42.03.21.14.82.11.50.2
over 50 years ago3.00.49.71.511.42.030.84.222.82.638.94.88.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.90.90.0.0.0.0.0.1.61.60.40.3
less than 10 years ago57.710.348.75.027.55.320.33.740.35.314.54.532.62.2
11-20 years ago8.35.722.94.232.05.518.83.618.64.216.64.820.91.9
21-30 years ago17.17.88.12.811.93.922.63.810.83.413.24.414.01.6
31-40 years ago4.34.210.23.18.53.38.62.65.82.56.73.27.91.3
41-50 years ago0.0.0.0.1.31.34.31.95.42.49.73.83.60.9
over 50 years ago12.66.89.12.918.84.725.44.019.14.237.76.220.61.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.20.20.0.1.00.60.0.0.0.0.20.1
less than 10 years ago56.73.152.82.457.83.119.02.442.03.015.71.739.21.1
11-20 years ago17.32.324.62.116.32.317.72.418.62.411.31.517.60.9
21-30 years ago9.21.87.31.310.01.917.82.414.12.111.51.511.30.7
31-40 years ago4.21.24.31.05.71.415.22.28.91.718.21.89.90.7
41-50 years ago1.50.83.00.82.30.95.31.42.81.012.51.65.20.5
over 50 years ago11.11.97.81.37.91.724.02.613.72.130.82.116.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.20.40.20.0.0.70.40.30.20.20.20.40.1
less than 10 years ago72.91.054.11.654.32.120.71.842.22.015.51.552.50.6
11-20 years ago15.60.821.31.318.11.617.61.715.71.512.81.316.80.5
21-30 years ago4.90.57.30.98.71.217.91.712.11.311.61.38.50.4
31-40 years ago1.60.35.60.85.81.012.11.58.11.116.31.56.20.3
41-50 years ago0.40.12.50.52.50.65.11.03.30.711.01.33.00.2
over 50 years ago4.10.48.80.910.71.326.02.018.21.532.81.912.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853408/319739
NFI1
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.60.20.50.30.0.0.70.70.70.50.0.0.50.1
less than 10 years ago75.21.056.22.457.63.024.43.742.53.018.13.663.60.9
11-20 years ago15.60.817.01.816.52.316.93.211.71.916.03.415.60.7
21-30 years ago4.10.57.51.36.41.512.92.910.01.810.32.85.90.4
31-40 years ago1.10.25.91.24.91.38.02.37.51.611.53.03.40.3
41-50 years ago0.30.12.50.82.91.04.91.83.01.05.82.11.50.2
over 50 years ago3.20.410.41.511.82.032.24.024.62.638.24.59.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.90.90.0.0.0.0.0.1.61.50.40.3
less than 10 years ago55.410.147.84.926.85.220.13.740.55.314.34.432.22.2
11-20 years ago8.05.423.94.231.15.419.63.618.14.116.34.721.01.9
21-30 years ago16.47.57.82.713.04.022.43.810.53.313.04.313.91.6
31-40 years ago4.14.09.83.08.23.28.52.65.72.56.63.27.81.2
41-50 years ago0.0.0.0.1.31.24.21.95.32.39.63.73.50.8
over 50 years ago16.17.49.82.919.74.725.24.019.84.238.76.221.21.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.20.20.0.1.00.60.0.0.0.0.20.1
less than 10 years ago56.53.152.42.456.73.019.12.441.13.015.81.738.81.1
11-20 years ago17.12.324.12.017.22.318.72.418.42.311.31.517.70.9
21-30 years ago9.11.87.91.39.91.817.32.314.02.111.31.511.20.7
31-40 years ago4.21.24.81.05.41.414.62.18.61.718.01.89.80.7
41-50 years ago1.50.82.90.82.20.95.11.32.71.012.31.55.10.5
over 50 years ago11.72.07.71.38.61.724.22.615.12.131.32.117.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.20.40.20.0.0.70.30.30.20.10.10.40.1
less than 10 years ago72.71.053.61.653.62.020.71.841.62.016.01.452.00.6
11-20 years ago15.70.820.91.318.51.618.41.715.51.412.61.316.80.5
21-30 years ago4.80.57.70.98.71.117.31.611.81.311.31.28.50.4
31-40 years ago1.50.35.80.85.50.911.51.47.71.115.81.46.10.3
41-50 years ago0.50.12.40.52.40.64.90.93.20.710.91.23.00.2
over 50 years ago4.40.49.10.911.31.326.51.919.81.633.21.813.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853409/319740
NFI1
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.80.26.21.110.71.820.33.017.62.036.63.47.30.4
less than 10 years ago74.91.052.02.350.82.818.52.934.12.610.82.258.40.8
11-20 years ago15.50.815.81.714.32.013.42.59.61.610.02.214.40.6
21-30 years ago4.10.57.11.25.61.310.32.38.31.56.11.75.50.4
31-40 years ago1.20.35.41.14.21.26.01.86.81.46.81.83.20.3
41-50 years ago0.30.12.30.72.50.93.71.42.40.84.01.41.40.2
over 50 years ago3.30.411.11.511.91.827.73.421.12.225.73.19.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.4.62.02.61.82.61.56.52.68.93.54.50.9
less than 10 years ago55.410.145.64.826.45.019.13.538.15.013.34.130.72.1
11-20 years ago8.05.422.84.029.15.118.63.516.63.815.14.419.81.8
21-30 years ago16.47.57.42.512.13.822.13.710.63.212.04.013.51.5
31-40 years ago4.14.09.42.88.93.28.12.55.22.36.13.07.51.2
41-50 years ago0.0.0.0.1.21.24.01.84.92.18.93.53.30.8
over 50 years ago16.17.410.22.919.74.525.63.918.13.935.85.920.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.40.90.54.81.32.70.93.01.012.01.34.80.5
less than 10 years ago56.13.051.42.452.02.918.22.339.62.913.51.536.21.0
11-20 years ago17.02.323.62.015.72.118.52.317.72.29.71.316.60.8
21-30 years ago9.01.87.81.39.11.716.82.213.52.09.81.310.60.7
31-40 years ago4.11.24.71.06.31.414.62.18.31.616.01.59.60.6
41-50 years ago1.50.83.10.82.40.94.81.32.60.910.71.34.90.5
over 50 years ago12.02.08.51.39.71.724.42.515.22.128.41.917.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.70.23.70.67.21.08.11.110.41.117.61.36.20.3
less than 10 years ago72.31.051.11.648.51.918.41.636.81.812.81.248.20.6
11-20 years ago15.60.820.01.316.61.416.91.513.81.310.21.115.60.5
21-30 years ago4.80.57.40.87.81.015.91.510.71.19.11.08.00.3
31-40 years ago1.60.35.50.75.70.910.61.37.21.013.01.25.90.3
41-50 years ago0.50.12.40.52.30.64.30.82.80.68.91.02.80.2
over 50 years ago4.50.49.80.911.91.225.71.818.41.428.31.613.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853410/319741
NFI1
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.60.10.40.20.0.1.30.60.60.30.0.0.50.1
less than 10 years ago74.70.756.61.760.42.125.92.540.82.117.72.563.50.6
11-20 years ago15.70.617.81.314.71.516.02.114.21.515.12.415.80.5
21-30 years ago3.60.37.80.94.60.910.71.87.81.110.62.05.20.3
31-40 years ago1.40.24.80.73.90.87.21.58.41.213.32.33.40.2
41-50 years ago0.40.11.70.42.60.73.31.03.80.83.51.21.30.1
over 50 years ago3.50.310.91.113.81.535.62.824.41.839.83.210.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.1.50.90.0.0.40.40.50.50.70.70.60.3
less than 10 years ago51.47.849.83.533.34.022.72.638.53.613.82.932.91.5
11-20 years ago19.46.221.12.824.23.619.32.515.82.716.63.119.31.3
21-30 years ago14.65.510.22.112.42.820.02.512.52.412.42.714.01.1
31-40 years ago2.42.46.91.87.82.310.72.07.11.912.42.78.70.9
41-50 years ago0.0.0.50.52.91.44.51.38.22.012.42.75.10.7
over 50 years ago12.25.110.12.119.43.422.42.617.32.831.83.919.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.20.20.40.20.0.1.40.50.0.0.0.0.30.1
less than 10 years ago57.92.251.71.755.02.120.21.943.42.115.41.239.20.8
11-20 years ago17.61.722.41.417.21.617.51.817.31.610.81.016.90.6
21-30 years ago8.31.28.71.010.21.318.01.812.01.412.31.111.30.5
31-40 years ago5.11.05.20.85.71.014.61.68.61.218.11.210.00.5
41-50 years ago1.00.52.30.52.70.75.01.03.10.711.21.04.80.3
over 50 years ago9.91.39.31.09.11.223.31.915.61.632.31.517.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.10.50.20.0.1.10.30.30.20.10.10.50.1
less than 10 years ago72.50.753.61.154.81.422.51.341.61.415.61.052.20.4
11-20 years ago16.00.620.20.916.91.117.51.215.81.012.20.916.50.4
21-30 years ago4.20.38.50.68.10.816.41.210.30.812.00.98.20.3
31-40 years ago1.80.25.20.55.20.611.51.08.30.816.61.06.20.2
41-50 years ago0.50.11.80.32.70.54.40.64.10.610.00.82.90.2
over 50 years ago4.40.310.10.712.30.926.61.419.61.133.51.313.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853411/319742
NFI1
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.80.15.20.710.51.319.52.016.61.436.22.47.00.3
less than 10 years ago74.50.752.81.653.32.020.22.033.41.810.41.658.60.6
11-20 years ago15.70.616.51.213.01.412.91.711.71.29.11.514.60.4
21-30 years ago3.60.37.50.94.00.88.51.46.50.96.21.24.90.3
31-40 years ago1.40.24.50.73.40.75.51.27.31.08.51.43.30.2
41-50 years ago0.40.11.60.42.30.62.60.83.10.72.60.81.30.1
over 50 years ago3.60.311.81.113.51.430.82.421.41.627.02.310.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a2.32.24.71.44.61.71.90.95.11.67.12.14.30.6
less than 10 years ago50.27.747.73.431.13.721.92.636.73.412.92.731.31.4
11-20 years ago19.06.020.22.722.23.418.52.414.92.515.52.918.31.2
21-30 years ago14.35.49.72.011.42.619.62.512.32.311.62.613.51.1
31-40 years ago2.32.36.61.78.42.210.31.97.11.811.62.68.50.9
41-50 years ago0.0.0.50.42.61.34.71.37.71.911.62.64.90.7
over 50 years ago11.95.010.72.119.73.223.02.616.32.629.73.719.21.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.90.34.80.93.90.93.50.811.70.95.00.3
less than 10 years ago57.62.250.71.751.02.119.61.841.32.113.21.036.70.7
11-20 years ago17.61.722.01.416.11.517.01.716.51.69.30.915.90.6
21-30 years ago8.21.28.60.99.61.217.31.711.51.310.60.910.70.5
31-40 years ago5.01.05.20.76.21.014.11.68.31.216.01.19.70.5
41-50 years ago1.00.42.40.52.70.74.70.93.00.79.90.94.60.3
over 50 years ago10.01.310.01.09.71.223.41.915.91.529.41.417.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.13.20.47.30.78.70.89.80.817.00.96.00.2
less than 10 years ago72.30.751.41.149.71.420.31.237.01.312.50.848.50.4
11-20 years ago16.00.619.30.915.41.016.01.114.10.99.80.715.40.3
21-30 years ago4.20.38.30.67.30.714.91.19.30.89.60.77.70.2
31-40 years ago1.90.25.10.55.20.610.40.97.70.713.80.86.00.2
41-50 years ago0.50.11.90.32.50.44.00.63.70.58.30.72.80.1
over 50 years ago4.40.310.90.712.50.925.81.318.51.028.81.113.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853412/319743
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.0.0.0.0.0.0.0.0.80.61.01.00.10.1
less than 10 years ago64.61.142.42.544.53.124.13.833.83.014.23.553.70.9
11-20 years ago23.91.028.72.325.42.714.73.223.62.69.83.023.80.8
21-30 years ago6.60.610.41.510.01.913.93.18.31.79.33.08.00.5
31-40 years ago2.20.34.91.13.61.29.52.76.71.611.93.23.70.4
41-50 years ago0.90.23.70.94.81.36.32.13.71.211.13.22.40.3
over 50 years ago1.80.39.91.511.62.031.54.223.22.642.64.98.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago52.210.441.85.035.15.722.03.827.14.813.04.329.72.1
11-20 years ago22.38.828.04.517.84.515.33.324.34.612.94.320.21.9
21-30 years ago8.35.712.93.419.74.712.83.115.03.813.44.414.21.6
31-40 years ago8.55.84.92.28.83.417.63.510.83.49.73.810.71.4
41-50 years ago0.0.6.32.57.03.06.82.33.62.15.12.95.61.1
over 50 years ago8.55.86.12.411.63.825.54.019.24.245.86.419.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.70.50.0.0.0.0.10.1
less than 10 years ago47.93.143.52.439.53.019.52.536.52.910.51.431.51.0
11-20 years ago24.62.725.22.129.82.813.42.123.32.611.01.520.50.9
21-30 years ago9.31.814.41.79.41.814.82.210.51.99.71.411.40.7
31-40 years ago6.01.55.11.18.11.713.62.19.11.710.91.58.70.6
41-50 years ago3.81.23.10.94.21.212.92.16.71.516.91.88.40.6
over 50 years ago8.41.78.71.49.01.825.22.713.92.140.92.319.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.0.0.0.0.40.30.30.20.20.20.10.0
less than 10 years ago62.41.142.81.641.12.021.21.834.01.911.41.343.60.6
11-20 years ago23.90.927.01.526.51.814.21.623.61.711.01.322.30.6
21-30 years ago7.00.612.51.110.91.314.11.610.21.210.01.29.80.4
31-40 years ago2.80.45.00.76.31.013.51.58.41.110.91.36.10.3
41-50 years ago1.20.23.70.64.80.99.81.35.00.914.81.44.90.3
over 50 years ago2.70.48.90.910.41.326.92.018.51.641.72.013.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853413/319744
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.60.21.60.62.20.92.81.42.00.80.80.81.10.2
less than 10 years ago64.11.140.32.343.13.022.73.531.12.712.73.051.70.9
11-20 years ago23.61.026.72.124.72.616.73.122.42.413.83.023.30.8
21-30 years ago6.60.610.11.49.81.813.92.99.41.78.92.68.10.5
31-40 years ago2.20.35.61.13.31.19.52.56.71.510.92.83.90.3
41-50 years ago0.90.23.80.94.31.26.82.13.81.111.02.82.60.3
over 50 years ago2.00.311.91.512.72.027.53.824.52.541.94.39.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago52.210.441.64.934.65.521.53.727.14.713.74.329.42.1
11-20 years ago22.38.828.14.416.94.316.63.424.34.512.14.020.31.8
21-30 years ago8.35.712.53.320.04.613.43.114.33.712.64.214.11.6
31-40 years ago8.55.84.82.19.73.517.13.411.43.49.13.610.71.4
41-50 years ago0.0.6.22.46.72.96.62.33.52.04.82.75.41.0
over 50 years ago8.55.86.82.512.23.824.83.919.44.147.66.220.21.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.40.0.0.40.41.00.62.00.81.00.50.80.2
less than 10 years ago47.73.143.52.438.92.919.92.434.42.811.21.431.21.0
11-20 years ago24.12.624.62.128.22.613.62.123.82.510.61.420.10.9
21-30 years ago9.11.814.01.610.21.815.02.29.81.79.21.311.20.7
31-40 years ago5.91.45.81.17.81.613.12.08.61.610.21.48.50.6
41-50 years ago3.71.23.40.94.21.212.42.06.01.416.51.78.30.6
over 50 years ago9.01.88.81.310.41.825.02.615.32.141.32.219.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.20.70.31.10.41.30.51.80.50.90.40.90.1
less than 10 years ago62.01.041.91.640.21.921.01.832.01.811.71.242.50.6
11-20 years ago23.70.925.91.425.31.715.11.523.31.611.31.221.90.5
21-30 years ago6.90.512.11.011.21.314.41.510.21.29.51.19.70.4
31-40 years ago2.80.45.60.76.11.013.01.58.21.010.31.26.10.3
41-50 years ago1.20.23.90.64.50.89.61.34.70.814.41.34.90.3
over 50 years ago2.90.410.00.911.61.325.71.919.81.542.01.914.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853414/319745
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a5.30.58.61.310.61.712.82.69.11.612.32.77.30.4
less than 10 years ago63.31.140.12.242.42.722.33.230.82.511.82.751.00.8
11-20 years ago21.00.923.51.921.32.314.62.820.32.212.12.720.60.7
21-30 years ago5.80.58.91.38.41.512.12.58.41.57.82.37.10.4
31-40 years ago2.00.34.91.02.80.98.22.26.01.39.52.43.50.3
41-50 years ago0.80.23.40.83.71.16.11.83.41.09.72.52.30.3
over 50 years ago1.80.310.61.410.81.723.93.321.92.336.73.98.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a7.75.28.92.78.83.08.12.34.12.06.62.87.41.1
less than 10 years ago48.110.037.94.634.85.122.73.628.84.614.84.229.22.0
11-20 years ago20.58.225.64.114.63.814.63.022.44.212.13.818.31.7
21-30 years ago7.75.211.43.017.34.111.72.713.23.411.33.812.61.4
31-40 years ago8.05.44.41.98.33.015.23.110.53.18.23.29.61.3
41-50 years ago0.0.5.62.25.72.55.82.03.21.84.32.54.80.9
over 50 years ago8.05.46.32.310.43.321.93.517.83.842.65.818.11.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a6.41.47.31.28.01.510.91.89.21.69.81.38.60.6
less than 10 years ago46.82.942.32.239.12.719.52.335.12.611.51.431.00.9
11-20 years ago21.72.422.01.924.62.412.11.820.92.29.51.317.90.8
21-30 years ago8.21.612.41.58.91.613.31.98.61.58.21.29.90.6
31-40 years ago5.41.35.11.06.81.411.51.87.61.49.21.27.60.5
41-50 years ago3.41.13.00.83.71.010.91.85.31.214.81.57.30.5
over 50 years ago8.11.67.81.29.01.622.02.413.41.837.12.017.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a5.50.58.00.89.21.110.81.38.51.010.01.17.80.3
less than 10 years ago61.21.040.91.540.01.820.91.732.41.711.91.242.00.6
11-20 years ago21.00.823.01.322.01.513.31.420.81.510.31.119.40.5
21-30 years ago6.10.510.70.99.61.112.61.39.11.08.41.08.60.3
31-40 years ago2.50.34.90.75.20.811.41.37.30.99.11.05.50.3
41-50 years ago1.10.23.40.63.90.78.41.14.20.712.81.24.30.3
over 50 years ago2.60.38.90.810.01.122.51.717.61.437.51.712.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853415/319746
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a1.10.210.61.417.32.122.83.122.32.139.53.39.80.5
less than 10 years ago63.81.136.72.236.32.618.02.924.72.27.81.947.20.8
11-20 years ago23.51.024.21.920.82.213.32.517.82.08.41.921.30.7
21-30 years ago6.50.69.11.38.21.511.12.37.51.45.41.67.30.4
31-40 years ago2.20.35.01.02.80.97.52.05.31.26.71.73.60.3
41-50 years ago0.90.23.50.83.61.05.41.73.00.96.71.72.30.3
over 50 years ago2.00.310.81.411.01.721.93.119.42.025.53.08.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.3.91.96.22.74.81.97.52.74.42.55.01.0
less than 10 years ago50.110.240.04.832.45.220.43.624.74.413.14.127.82.0
11-20 years ago21.48.527.04.315.84.115.83.322.34.211.63.919.21.8
21-30 years ago8.05.412.03.118.84.412.73.013.13.412.04.013.31.5
31-40 years ago8.25.64.62.09.13.316.33.210.43.18.73.410.11.3
41-50 years ago0.0.5.92.36.32.76.32.23.21.84.62.65.11.0
over 50 years ago12.36.76.62.411.43.623.63.818.93.945.56.119.51.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.10.62.00.78.41.65.61.45.41.315.61.57.30.5
less than 10 years ago47.43.142.62.335.72.719.22.333.22.79.51.229.21.0
11-20 years ago23.92.624.02.025.92.512.92.023.02.49.01.218.70.8
21-30 years ago9.01.813.61.69.41.714.32.19.51.77.81.110.50.7
31-40 years ago5.91.45.61.17.21.512.41.98.31.68.71.27.90.6
41-50 years ago3.71.13.30.93.81.111.81.95.81.314.21.47.70.6
over 50 years ago8.91.78.81.39.61.723.82.514.72.035.32.018.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.10.26.20.712.31.210.71.313.81.220.61.38.50.3
less than 10 years ago61.61.039.61.535.61.819.11.628.11.69.31.039.20.6
11-20 years ago23.50.924.41.322.41.513.71.420.41.49.11.020.20.5
21-30 years ago6.80.511.41.09.91.113.01.49.01.07.60.98.90.4
31-40 years ago2.80.45.20.75.40.811.71.37.10.98.20.95.70.3
41-50 years ago1.20.23.70.64.00.78.71.24.10.711.61.14.50.3
over 50 years ago3.00.49.50.910.41.123.21.717.51.333.71.613.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853416/319747
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a5.80.517.31.624.22.230.73.228.62.245.43.215.50.6
less than 10 years ago63.01.036.42.035.82.417.72.624.22.17.31.746.50.8
11-20 years ago20.80.921.21.718.02.011.62.216.01.87.51.718.80.6
21-30 years ago5.80.58.01.27.11.39.62.06.61.24.91.46.50.4
31-40 years ago2.00.34.40.92.40.86.51.74.71.05.91.53.20.3
41-50 years ago0.80.23.00.73.10.94.81.52.70.86.01.62.10.2
over 50 years ago1.80.39.51.29.41.519.02.717.21.822.92.77.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a7.45.012.13.013.83.611.92.710.73.010.33.411.61.4
less than 10 years ago46.39.836.64.532.94.921.73.526.54.314.34.027.81.9
11-20 years ago19.87.924.74.013.83.614.02.920.63.911.73.717.41.6
21-30 years ago7.45.011.02.916.33.911.22.612.13.210.93.611.91.4
31-40 years ago7.75.24.21.97.92.914.62.99.72.97.93.19.11.2
41-50 years ago0.0.5.42.15.42.45.61.93.01.74.12.44.60.9
over 50 years ago11.46.26.12.29.93.121.03.417.43.740.95.717.61.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a7.01.59.31.314.81.914.41.912.71.822.81.614.50.7
less than 10 years ago46.52.941.42.236.22.618.92.233.72.59.81.229.00.9
11-20 years ago21.52.421.41.822.82.211.51.820.12.18.11.116.70.7
21-30 years ago8.11.612.11.48.21.512.71.98.21.57.01.09.30.6
31-40 years ago5.41.35.01.06.31.311.01.77.31.47.81.17.10.5
41-50 years ago3.41.03.00.83.41.010.41.75.11.212.71.36.90.5
over 50 years ago8.11.67.81.28.31.521.02.312.81.831.81.816.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a6.00.513.41.019.11.419.01.520.11.327.41.414.80.4
less than 10 years ago60.81.038.61.435.71.719.11.528.31.59.51.038.80.5
11-20 years ago20.90.821.61.219.61.412.11.318.11.38.30.917.90.5
21-30 years ago6.10.510.10.98.61.011.41.27.90.96.80.87.90.3
31-40 years ago2.50.34.60.64.60.710.41.26.30.87.40.85.00.3
41-50 years ago1.10.23.20.53.50.67.71.03.70.610.41.04.00.2
over 50 years ago2.60.38.50.89.01.020.41.615.51.230.31.511.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853417/319748
NFI1
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
state1983/85
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/a1.40.50.50.50.50.50.0.0.0.0.0.0.40.40.0.1.11.10.0.0.0.0.70.70.70.50.0.0.50.1
less than 10 years ago66.61.975.83.162.83.488.21.881.51.745.45.867.53.065.83.734.74.937.56.653.07.724.43.742.53.018.13.663.50.8
11-20 years ago20.81.712.62.420.82.87.41.513.81.521.95.014.02.216.52.921.54.220.35.510.44.416.93.211.71.916.03.415.60.7
21-30 years ago5.20.96.71.87.41.82.20.81.70.69.93.44.61.45.21.713.23.47.23.510.04.812.92.910.01.810.32.86.00.4
31-40 years ago1.20.42.71.22.51.10.60.40.40.39.93.63.51.15.31.79.33.03.92.73.92.78.02.37.51.611.53.03.40.3
41-50 years ago0.60.30.0.1.00.70.0.0.0.3.72.12.20.91.60.92.21.67.03.32.12.14.91.83.01.05.82.11.50.2
over 50 years ago4.30.81.71.05.11.51.60.72.60.79.23.47.81.75.61.817.93.924.15.920.66.132.24.024.62.638.24.59.50.5
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.
inside perimetern/a0.0.....0.0...0.0.0.0.0.0.2.02.00.0.0.0.0.0.0.0.1.61.50.40.3
less than 10 years ago57.710.3....0.0...50.810.647.69.534.612.645.26.921.77.928.98.320.13.740.55.314.34.432.22.2
11-20 years ago8.15.5....0.0...20.68.325.08.348.013.425.36.126.18.525.87.619.63.618.14.116.34.720.91.9
21-30 years ago17.37.9....0.0...10.67.16.74.69.08.58.23.914.76.814.06.622.43.810.53.313.04.314.11.6
31-40 years ago4.24.1....0.0...8.15.610.75.90.0.9.94.23.63.516.97.08.52.65.72.56.63.27.81.3
41-50 years ago0.0.....0.0...0.0.0.0.0.0.0.0.3.63.50.0.4.21.95.32.39.63.73.50.8
over 50 years ago12.76.9....100.0...9.96.510.05.58.48.09.54.130.49.014.45.925.24.019.84.238.76.221.11.9
total100.0.....100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.1.00.60.0.0.0.0.20.1
less than 10 years ago49.64.255.811.228.49.177.56.081.37.540.24.964.53.359.93.843.04.653.68.352.36.119.12.441.13.015.81.738.91.1
11-20 years ago16.93.129.910.323.58.512.54.811.76.335.34.620.42.818.73.118.93.610.55.017.54.718.72.418.42.311.31.517.60.8
21-30 years ago9.82.514.37.616.97.72.12.16.94.86.62.65.31.69.62.314.23.25.43.811.83.717.32.314.02.111.31.511.20.7
31-40 years ago7.12.20.0.0.0.2.12.10.0.6.62.62.41.15.91.88.72.62.52.55.12.514.62.18.61.718.01.89.80.7
41-50 years ago2.91.40.0.0.0.0.0.0.0.2.41.31.70.81.10.84.41.70.0.6.53.25.11.32.71.012.31.55.10.5
over 50 years ago13.82.90.0.31.19.35.83.30.0.9.02.95.81.54.91.710.02.727.97.46.72.924.22.615.12.131.32.117.20.8
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/a1.10.40.40.40.40.40.0.0.0.0.0.0.20.20.0.1.20.70.0.0.0.0.70.30.30.20.10.10.40.1
less than 10 years ago63.21.874.03.059.13.286.51.881.51.743.43.565.02.261.82.640.43.039.04.647.24.220.71.841.62.016.01.452.00.6
11-20 years ago19.61.414.22.421.02.78.11.413.71.528.63.217.41.718.82.121.12.518.53.617.33.118.41.715.51.412.61.316.80.5
21-30 years ago6.40.97.41.88.41.82.20.82.00.68.32.05.01.07.41.412.72.08.32.511.82.717.31.611.81.311.31.28.60.4
31-40 years ago2.40.62.41.12.21.00.80.50.40.38.02.03.40.85.41.29.11.83.41.77.42.211.51.47.71.115.81.46.10.3
41-50 years ago1.00.40.0.0.90.60.0.0.0.2.61.11.90.61.30.62.81.04.01.73.71.74.90.93.20.710.91.23.00.2
over 50 years ago6.30.91.60.97.91.72.40.82.50.69.22.17.01.15.41.212.72.126.74.112.62.626.51.919.81.633.21.813.20.4
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, 11.07.2020 #853418/319749
NFI1
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: terrestrial grid NFI1
state1983/85
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/a1.40.30.50.30.70.40.30.20.0.0.0.0.40.30.0.0.60.60.0.0.0.1.30.60.60.30.0.0.50.1
less than 10 years ago66.21.475.32.161.92.487.61.382.11.243.04.067.22.169.62.538.73.636.25.053.45.225.92.540.82.117.72.563.40.6
11-20 years ago19.71.214.91.720.62.08.11.113.91.122.63.414.91.615.32.022.03.019.74.17.12.616.02.114.21.515.12.415.80.5
21-30 years ago4.60.64.61.06.91.21.50.51.80.414.82.94.10.93.61.012.12.46.22.56.72.610.71.87.81.110.62.05.30.3
31-40 years ago1.80.42.70.82.10.70.80.40.50.27.32.13.30.83.61.07.11.94.52.24.12.07.21.58.41.213.32.33.50.2
41-50 years ago0.70.20.20.21.40.60.0.0.0.1.91.11.30.51.70.72.71.24.82.13.01.73.31.03.80.83.51.21.30.1
over 50 years ago5.60.71.80.76.31.21.70.51.70.410.32.58.91.26.21.316.82.728.74.725.74.535.62.824.41.839.83.210.20.4
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...0.0.4.32.90.0.0.90.90.0.0.0.0.40.40.50.50.70.70.60.3
less than 10 years ago51.58.0....51.735.3..46.67.452.46.943.69.948.84.826.15.935.46.322.72.638.53.613.82.932.81.5
11-20 years ago20.36.4....0.0...23.96.318.95.435.09.521.23.917.95.124.85.619.32.515.82.716.63.119.31.3
21-30 years ago15.45.8....0.0...9.64.611.44.412.26.610.43.018.45.37.43.620.02.512.52.412.42.714.11.1
31-40 years ago2.62.5....0.0...13.35.15.73.20.0.4.82.15.33.014.34.710.72.07.11.912.42.78.70.9
41-50 years ago0.0.....0.0...0.0.0.0.0.0.0.80.85.43.01.51.54.51.38.22.012.42.75.10.7
over 50 years ago10.24.8....48.335.3..6.63.77.33.59.16.112.93.226.96.016.74.822.42.617.32.831.83.919.31.3
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/a0.0.0.0.0.0.0.0.2.02.00.0.0.70.40.0.0.40.40.0.0.0.1.40.50.0.0.0.0.30.1
less than 10 years ago51.53.160.87.943.07.173.44.471.96.340.03.364.42.359.22.739.83.251.95.846.94.420.21.943.42.115.41.239.20.8
11-20 years ago17.62.423.66.922.15.915.03.614.25.031.03.018.11.918.02.121.12.714.34.016.53.217.51.817.31.610.81.016.90.6
21-30 years ago9.41.810.14.810.44.43.01.79.84.210.62.15.61.110.11.613.12.26.83.012.22.918.01.812.01.412.31.111.30.5
31-40 years ago7.11.62.62.60.0.4.82.12.02.07.11.72.30.75.71.39.21.94.12.46.42.114.61.68.61.218.11.210.00.5
41-50 years ago2.00.90.0.0.0.0.0.0.0.1.60.81.80.61.70.73.51.22.61.85.62.15.01.03.10.711.21.04.80.3
over 50 years ago12.52.12.92.824.56.23.91.90.0.9.82.07.01.25.21.212.92.220.24.712.42.923.31.915.61.632.31.517.50.6
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.
totaln/a1.10.30.40.30.60.40.30.20.10.10.0.0.70.30.0.0.60.30.0.0.0.1.10.30.30.20.10.10.50.1
less than 10 years ago63.31.374.02.160.02.385.51.381.61.241.82.465.21.563.61.841.32.239.13.346.73.022.51.341.61.415.61.052.10.4
11-20 years ago19.31.015.61.720.81.99.01.113.91.027.22.116.51.217.31.421.51.817.42.515.12.117.51.215.81.012.20.916.50.4
21-30 years ago5.70.65.11.07.31.21.70.52.20.412.01.65.10.77.11.012.21.49.42.09.31.716.41.210.30.812.00.98.20.3
31-40 years ago2.80.42.70.81.90.61.40.40.50.27.81.33.00.54.50.87.61.24.61.47.31.511.51.08.30.816.61.06.20.2
41-50 years ago0.90.20.20.21.30.50.0.0.0.1.60.61.40.41.70.52.70.74.21.33.91.24.40.64.10.610.00.82.90.2
over 50 years ago6.90.71.90.68.21.32.10.51.60.49.61.48.00.85.80.914.31.525.42.917.82.326.61.419.61.133.51.313.60.3
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, 11.07.2020 #853419/319750
NFI1
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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
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/a1.40.50.50.50.50.50.0.0.0.0.0.0.40.40.0.1.21.20.0.0.0.0.80.80.80.60.0.0.50.1
less than 10 years ago66.82.075.63.162.53.488.71.881.91.746.05.967.13.166.13.736.75.235.06.955.78.124.53.943.13.114.93.664.20.9
11-20 years ago20.81.712.72.420.92.97.21.513.71.522.25.014.12.315.42.923.14.620.35.811.54.916.23.311.82.017.43.815.60.7
21-30 years ago5.20.96.71.87.71.92.20.81.80.610.03.44.81.45.51.811.63.57.93.88.34.713.43.110.41.910.93.16.00.4
31-40 years ago1.20.52.71.22.51.10.60.50.40.310.03.63.61.25.51.88.23.04.33.04.33.08.82.58.01.713.13.43.50.3
41-50 years ago0.50.30.0.1.10.80.0.0.0.3.72.12.30.91.71.02.51.87.83.72.32.35.42.03.21.14.82.11.50.2
over 50 years ago4.20.81.81.04.81.51.30.62.30.68.13.37.71.75.81.916.74.124.76.217.96.230.84.222.82.638.94.88.70.5
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.
inside perimetern/a0.0.........0.0.0.0.0.0.2.12.10.0.0.0.0.0.0.0.1.61.60.40.3
less than 10 years ago57.710.3........53.110.947.69.534.612.645.87.123.38.428.98.320.33.740.35.314.54.532.52.2
11-20 years ago8.15.5........17.07.825.08.348.013.424.66.228.19.025.87.618.83.618.64.216.64.820.71.9
21-30 years ago17.37.9........11.17.46.74.69.08.58.64.112.06.514.06.622.63.810.83.413.24.414.21.6
31-40 years ago4.24.1........8.55.810.75.90.0.10.54.43.83.816.97.08.62.65.82.56.73.28.01.3
41-50 years ago0.0.........0.0.0.0.0.0.0.0.3.83.80.0.4.31.95.42.49.73.83.60.9
over 50 years ago12.76.9........10.36.810.05.58.48.08.34.028.99.114.45.925.44.019.14.237.76.220.51.9
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.0.1.00.60.0.0.0.0.20.1
less than 10 years ago49.54.255.811.229.59.477.56.081.37.541.54.964.83.460.53.943.54.755.38.554.06.219.02.442.03.015.71.739.31.1
11-20 years ago17.13.229.910.324.48.712.54.811.76.335.64.721.32.918.03.118.73.611.45.415.44.617.72.418.62.411.31.517.50.9
21-30 years ago9.92.514.37.617.67.92.12.16.94.85.42.44.61.59.92.414.03.33.13.112.63.917.82.414.12.111.51.511.20.7
31-40 years ago7.22.20.0.0.0.2.12.10.0.5.82.62.01.06.11.88.12.62.82.75.42.715.22.28.91.718.21.89.90.7
41-50 years ago2.91.40.0.0.0.0.0.0.0.2.41.41.70.91.10.84.61.80.0.6.93.45.31.42.81.012.51.65.20.5
over 50 years ago13.32.90.0.28.59.25.83.30.0.9.33.05.61.64.41.710.32.827.47.75.72.724.02.613.72.130.82.116.60.8
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/a1.10.40.40.40.40.40.0.0.0.0.0.0.20.20.0.1.20.70.0.0.0.0.70.40.30.20.20.20.40.1
less than 10 years ago63.31.873.83.059.03.387.11.881.91.744.53.664.92.262.22.641.63.138.84.848.54.320.71.842.22.015.51.552.40.6
11-20 years ago19.71.514.32.421.32.77.91.413.61.528.43.217.91.817.92.121.42.619.23.816.83.217.61.715.71.512.81.316.80.5
21-30 years ago6.40.97.41.88.71.92.20.82.00.67.82.04.81.07.71.512.12.17.32.511.72.817.91.712.11.311.61.38.60.4
31-40 years ago2.40.62.41.12.31.00.80.50.40.37.72.03.30.85.51.28.61.83.71.87.82.312.11.58.11.116.31.56.20.3
41-50 years ago0.90.30.0.1.00.70.0.0.0.2.71.11.90.61.40.63.01.04.41.94.01.85.11.03.30.711.01.33.00.2
over 50 years ago6.20.91.60.97.31.71.90.72.20.68.92.16.91.15.31.212.12.126.54.211.22.626.02.018.21.532.81.912.60.4
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, 11.07.2020 #853420/319751
NFI1
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
state1983/85
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/a1.70.50.50.51.50.80.0.0.0.3.52.03.41.12.41.214.53.222.24.820.85.320.33.017.62.036.63.47.30.4
less than 10 years ago66.21.975.43.161.93.487.91.881.41.743.15.664.33.063.83.729.74.228.55.341.76.618.52.934.12.610.82.258.30.8
11-20 years ago20.81.712.62.420.42.87.41.513.71.520.84.713.72.216.02.817.93.614.64.17.93.413.42.59.61.610.02.214.50.6
21-30 years ago5.20.96.71.87.31.82.20.81.90.69.33.24.71.35.11.711.02.95.22.57.63.710.32.38.31.56.11.75.60.4
31-40 years ago1.20.43.11.32.41.10.60.40.40.39.43.43.31.15.11.77.72.52.82.03.02.16.01.86.81.46.81.83.30.3
41-50 years ago0.60.30.0.1.00.70.0.0.0.3.52.02.10.91.50.91.81.35.12.41.61.63.71.42.40.84.01.41.40.2
over 50 years ago4.20.81.71.05.51.51.90.82.60.710.43.68.51.76.01.917.53.521.64.817.55.127.73.421.12.225.73.19.60.5
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.
inside perimetern/a0.0.....0.0...0.0.3.13.10.0.7.43.66.84.70.0.2.61.56.52.68.93.54.50.9
less than 10 years ago57.710.3....0.0...48.610.446.19.432.312.042.76.622.87.627.88.119.13.538.15.013.34.130.72.1
11-20 years ago8.15.5....0.0...19.88.024.28.044.912.823.95.823.47.824.87.418.63.516.63.815.14.419.71.8
21-30 years ago17.37.9....0.0...10.26.86.54.58.48.07.73.713.26.213.56.422.13.710.63.212.04.013.61.5
31-40 years ago4.24.1....0.0...7.85.310.45.76.56.39.44.03.23.216.26.88.12.55.22.36.13.07.51.2
41-50 years ago0.0.....0.0...0.0.0.0.0.0.0.0.3.23.20.0.4.01.84.92.18.93.53.30.8
over 50 years ago12.76.9....100.0...13.77.39.75.47.87.59.03.827.38.317.76.725.63.918.13.935.85.920.71.8
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/a0.70.70.0.0.0.0.0.0.0.0.80.80.50.50.0.1.71.214.25.410.93.62.70.93.01.012.01.34.80.5
less than 10 years ago49.24.255.811.228.49.175.96.181.37.539.94.863.63.358.73.841.64.544.77.543.15.518.22.339.62.913.51.536.41.0
11-20 years ago16.83.129.910.323.58.512.34.711.76.335.04.620.12.718.43.018.33.58.84.214.43.918.52.317.72.29.71.316.50.8
21-30 years ago9.72.514.37.616.97.72.12.06.94.86.52.65.31.69.42.213.83.14.53.29.73.116.82.213.52.09.81.310.60.7
31-40 years ago7.12.20.0.0.0.2.12.00.0.6.52.62.31.05.81.88.42.52.12.18.52.914.62.18.31.616.01.59.60.6
41-50 years ago2.81.40.0.0.0.0.0.0.0.2.31.32.10.91.10.84.31.70.0.6.62.94.81.32.60.910.71.34.90.5
over 50 years ago13.72.90.0.31.19.37.73.70.0.8.92.96.11.66.72.012.12.925.76.66.82.724.42.515.22.128.41.917.20.8
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/a1.50.40.40.41.30.80.0.0.0.1.80.92.10.61.20.67.81.616.73.012.02.58.11.110.41.117.61.36.20.3
less than 10 years ago62.91.773.73.058.33.286.01.881.41.742.13.563.02.160.12.637.12.832.23.939.63.818.41.636.81.812.81.248.20.6
11-20 years ago19.71.414.12.420.82.78.01.413.61.527.83.117.01.718.32.119.22.314.62.914.32.616.91.513.81.310.21.115.60.5
21-30 years ago6.40.97.31.88.31.82.20.82.10.68.02.05.11.07.21.411.51.96.62.09.82.315.91.510.71.19.11.08.10.4
31-40 years ago2.30.52.91.22.21.00.80.50.40.37.82.03.30.85.51.28.31.62.71.38.22.110.61.37.21.013.01.25.90.3
41-50 years ago1.00.40.0.0.90.60.0.0.0.2.51.02.00.61.30.62.50.93.21.43.71.54.30.82.80.68.91.02.80.2
over 50 years ago6.20.91.60.98.21.83.00.92.40.610.02.17.61.16.41.313.62.024.03.512.42.425.71.818.41.428.31.613.30.4
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, 11.07.2020 #853421/319752
NFI1
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
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/a1.60.40.50.31.20.50.30.20.0.3.11.42.20.61.50.713.32.224.83.719.83.619.52.016.61.436.22.47.00.3
less than 10 years ago65.91.475.12.161.62.487.31.482.01.241.13.965.22.067.82.532.63.126.53.942.74.520.22.033.41.810.41.658.50.6
11-20 years ago19.71.214.81.720.42.08.21.113.91.121.63.314.61.515.22.017.82.514.13.05.62.012.91.711.71.29.11.514.70.4
21-30 years ago4.60.64.61.06.91.21.50.51.90.414.22.84.40.93.51.010.22.04.41.85.22.18.51.46.50.96.21.24.90.3
31-40 years ago1.80.42.90.82.10.70.80.40.50.27.02.03.10.83.51.06.21.63.21.63.21.65.51.27.31.08.51.43.30.2
41-50 years ago0.70.20.20.21.40.60.0.0.0.1.91.11.20.51.70.72.21.03.41.52.41.42.60.83.10.72.60.81.30.1
over 50 years ago5.70.71.80.76.51.21.80.61.70.411.22.69.31.26.91.417.72.523.63.721.13.730.82.421.41.627.02.310.40.4
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/a2.32.2....0.0...2.42.46.03.30.0.5.32.18.03.43.62.51.90.95.11.67.12.14.40.6
less than 10 years ago50.37.9....51.735.3..44.57.251.56.939.09.246.24.625.25.532.85.921.92.636.73.412.92.731.21.4
11-20 years ago19.96.3....0.0...22.86.118.65.331.38.720.03.716.14.723.05.318.52.414.92.515.52.918.21.2
21-30 years ago15.15.7....0.0...9.24.411.24.310.96.09.92.816.64.86.93.319.62.512.32.311.62.613.61.1
31-40 years ago2.52.5....0.0...12.74.95.63.23.63.54.62.04.82.715.04.610.31.97.11.811.62.68.60.9
41-50 years ago0.0.....0.0...0.0.0.0.0.0.0.80.84.82.71.41.44.71.37.71.911.62.64.90.7
over 50 years ago10.04.7....48.335.3..8.44.07.23.515.37.013.23.224.35.517.34.823.02.616.32.629.73.719.21.2
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/a0.80.50.0.0.0.0.0.2.02.00.90.60.90.50.0.0.80.615.33.89.42.43.90.93.50.811.70.95.00.3
less than 10 years ago51.33.160.87.943.07.172.24.471.96.339.53.263.82.358.32.638.43.143.35.339.84.019.61.841.32.113.21.036.70.7
11-20 years ago17.42.423.66.922.15.915.53.614.25.030.63.018.01.918.02.120.22.612.03.414.02.817.01.716.51.69.30.915.90.6
21-30 years ago9.21.810.14.810.44.42.91.69.84.210.82.15.61.110.01.612.52.15.72.511.12.617.31.711.51.310.60.910.70.5
31-40 years ago7.11.62.62.60.0.4.72.12.02.07.01.72.50.85.71.28.81.83.52.08.52.214.11.68.31.216.01.19.70.5
41-50 years ago2.00.90.0.0.0.0.0.0.0.1.60.82.00.71.70.73.71.22.21.55.41.94.70.93.00.79.90.94.60.3
over 50 years ago12.32.02.92.824.56.24.82.10.0.9.62.07.21.26.41.315.52.318.04.111.82.623.41.915.91.529.41.417.50.6
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.
totaln/a1.50.30.40.31.10.50.30.20.10.11.90.71.90.40.70.36.71.018.12.212.11.88.70.89.80.817.00.96.10.2
less than 10 years ago63.01.273.92.159.72.285.11.381.61.240.72.463.91.562.11.837.62.031.72.839.52.720.31.237.01.312.50.848.50.4
11-20 years ago19.31.015.61.720.61.99.21.113.91.026.42.116.21.217.21.419.21.613.82.012.71.816.01.114.10.99.80.715.40.3
21-30 years ago5.70.65.11.07.21.21.70.52.30.511.91.65.20.76.90.911.11.37.51.68.21.514.91.19.30.89.60.77.70.2
31-40 years ago2.70.42.90.81.90.61.40.40.50.27.61.33.00.54.50.86.91.13.61.17.91.510.40.97.70.713.80.86.00.2
41-50 years ago0.90.20.20.21.30.50.0.0.0.1.50.61.50.41.60.52.60.63.31.03.61.04.00.63.70.58.30.72.70.1
over 50 years ago6.90.71.90.68.31.32.40.61.60.410.11.58.30.86.91.015.91.521.92.516.12.025.81.318.51.028.81.113.60.3
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, 11.07.2020 #853422/319753
NFI2
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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
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/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.61.01.00.10.1
less than 10 years ago55.52.160.23.557.63.573.22.574.01.936.65.645.53.349.83.938.05.239.17.031.57.724.13.833.83.014.23.553.60.9
11-20 years ago26.91.828.23.224.73.021.92.419.51.827.85.332.73.126.73.518.44.216.25.330.97.614.73.223.62.69.83.023.80.8
21-30 years ago11.61.34.11.47.01.83.01.04.20.911.93.88.41.89.32.315.03.814.45.07.24.013.93.18.31.79.33.08.00.5
31-40 years ago2.60.74.81.65.11.60.70.50.80.47.12.83.51.22.51.27.02.84.02.88.34.79.52.76.71.611.93.23.80.4
41-50 years ago0.50.32.01.02.51.10.60.50.40.37.53.22.00.95.01.75.82.54.33.04.33.06.32.13.71.211.13.22.50.3
over 50 years ago2.90.70.60.63.01.20.60.41.10.59.13.38.01.76.82.015.84.022.15.917.96.231.54.223.22.642.64.98.30.5
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.
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 ago52.210.5........36.310.542.39.436.513.043.07.139.59.728.17.622.03.827.14.813.04.329.42.1
11-20 years ago22.48.8........35.610.429.18.720.810.723.76.07.75.326.08.115.33.324.34.612.94.320.31.9
21-30 years ago8.15.5........13.17.17.75.334.312.616.55.320.48.112.35.912.83.115.03.813.44.414.21.6
31-40 years ago8.65.9........4.64.56.74.60.0.4.32.912.06.511.16.117.63.510.83.49.73.810.81.5
41-50 years ago0.0.........0.0.7.55.10.0.8.44.03.83.813.76.56.82.33.62.15.12.95.71.1
over 50 years ago8.65.9........10.36.86.74.68.48.04.12.916.67.58.84.925.54.019.24.245.86.419.71.8
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.50.0.0.0.0.10.1
less than 10 years ago41.64.231.310.658.810.155.17.171.58.635.64.954.03.538.43.931.74.347.18.739.16.119.52.536.52.910.51.431.61.0
11-20 years ago24.43.639.511.09.16.130.76.617.57.225.64.524.83.134.63.727.04.116.86.225.35.413.42.123.32.611.01.520.60.9
21-30 years ago10.12.615.08.07.65.26.23.57.95.320.03.711.62.38.92.212.93.18.64.810.53.914.82.210.51.99.71.411.30.7
31-40 years ago6.92.114.37.64.64.52.12.13.03.04.42.23.01.27.62.19.72.83.13.111.23.713.62.19.11.710.91.58.70.6
41-50 years ago6.42.10.0.0.0.2.12.10.0.3.52.01.60.94.81.76.42.30.0.4.12.412.92.16.71.516.91.88.50.6
over 50 years ago10.62.60.0.19.98.13.82.60.0.10.93.25.01.55.61.812.33.024.27.59.83.825.22.713.92.140.92.319.20.9
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/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.30.20.20.20.10.0
less than 10 years ago52.81.857.53.357.73.370.72.473.91.936.13.449.02.343.92.736.13.041.84.834.34.121.21.834.01.911.41.343.50.6
11-20 years ago26.31.629.33.023.02.823.12.319.41.727.53.329.02.130.22.523.42.714.43.327.03.914.21.623.61.711.01.322.30.6
21-30 years ago11.21.25.11.57.11.73.41.04.40.916.12.59.81.410.11.614.32.213.93.310.02.614.11.610.21.210.01.29.70.4
31-40 years ago3.60.75.71.65.11.50.90.50.90.45.51.73.50.94.81.27.71.75.62.210.32.713.51.58.41.110.91.36.20.3
41-50 years ago1.60.51.80.92.31.00.80.50.40.34.61.62.10.74.71.16.61.62.81.66.52.19.81.35.00.914.81.44.90.3
over 50 years ago4.50.80.60.64.81.41.00.51.10.410.12.16.61.16.31.311.92.121.54.011.92.826.92.018.51.641.72.013.20.4
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, 11.07.2020 #853423/319754
NFI2
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: terrestrial grid NFI2
state1993/95
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/a6.20.95.11.46.51.65.21.23.90.810.43.18.61.69.62.17.42.514.34.28.73.712.82.69.11.612.32.77.30.4
less than 10 years ago54.31.959.93.256.53.270.92.473.01.834.84.943.92.945.83.633.94.639.55.836.36.522.33.230.82.511.82.750.90.8
11-20 years ago23.51.624.62.821.92.619.32.117.11.622.34.327.32.624.53.114.53.412.63.921.05.514.62.820.32.212.12.720.70.7
21-30 years ago10.21.23.71.35.81.52.80.93.60.810.63.27.41.58.22.011.83.111.23.75.02.812.12.58.41.57.82.37.10.4
31-40 years ago2.40.64.31.44.21.30.60.40.80.46.72.53.11.02.11.18.22.62.82.05.63.28.22.26.01.39.52.43.50.3
41-50 years ago0.40.31.80.92.21.00.50.40.30.25.72.51.70.74.21.56.32.32.92.13.02.16.11.83.41.09.72.52.30.3
over 50 years ago3.00.70.60.62.91.10.50.41.20.49.53.08.21.65.61.717.83.716.74.420.55.323.93.321.92.336.73.98.20.5
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.
inside perimetern/a7.55.1........8.55.89.65.311.27.59.03.98.94.98.34.88.12.34.12.06.62.87.51.1
less than 10 years ago48.110.0........31.69.438.58.840.111.739.46.539.58.524.86.922.73.628.84.614.84.228.92.0
11-20 years ago20.58.2........31.19.326.08.016.18.522.55.55.84.123.27.414.63.022.44.212.13.818.41.7
21-30 years ago7.55.1........11.56.36.94.726.510.314.54.718.46.811.35.511.72.713.23.411.33.812.61.4
31-40 years ago8.25.5........4.03.96.24.20.0.3.72.611.95.69.85.415.23.110.53.18.23.29.71.3
41-50 years ago0.0.........0.0.6.64.60.0.7.33.52.82.812.25.85.82.03.21.84.32.54.91.0
over 50 years ago8.25.5........13.47.16.24.26.15.93.62.512.75.910.35.021.93.517.83.842.65.818.11.7
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a5.71.84.64.513.46.37.13.43.43.37.72.56.21.67.91.99.32.59.34.57.02.810.91.89.21.69.81.38.60.6
less than 10 years ago41.73.933.510.350.69.252.96.870.78.234.14.453.13.338.23.529.93.943.37.640.45.519.52.335.12.611.51.431.00.9
11-20 years ago21.53.335.610.27.45.027.46.115.86.522.53.921.42.729.03.223.73.713.14.920.64.512.11.820.92.29.51.317.90.8
21-30 years ago9.02.313.57.36.04.15.63.17.24.918.23.39.81.98.31.910.92.78.94.39.83.413.31.98.61.58.21.29.80.6
31-40 years ago6.31.912.97.03.73.61.91.92.92.93.71.93.41.26.21.79.62.54.63.28.83.011.51.87.61.49.21.27.50.5
41-50 years ago5.81.90.0.0.0.1.91.90.0.3.71.91.30.84.41.46.22.10.0.3.42.010.91.85.31.214.81.57.40.5
over 50 years ago10.12.40.0.19.07.13.42.40.0.10.22.84.81.36.01.710.42.620.86.210.13.422.02.413.41.837.12.017.60.8
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/a6.10.85.11.47.31.65.51.13.90.88.91.97.61.18.91.48.61.611.62.77.82.010.81.38.51.010.01.17.80.3
less than 10 years ago51.81.757.63.155.93.068.52.372.91.834.13.147.52.141.92.433.12.740.74.135.83.720.91.732.41.711.91.241.90.6
11-20 years ago23.11.425.62.720.32.420.42.017.01.523.32.824.71.826.32.220.12.311.32.621.33.113.31.420.81.510.31.119.50.5
21-30 years ago9.91.04.51.35.81.43.20.93.80.814.42.28.41.29.01.411.91.912.12.78.52.112.61.39.11.08.41.08.60.3
31-40 years ago3.20.65.11.44.21.20.80.40.90.44.91.43.40.84.01.08.01.65.31.88.02.111.41.37.30.99.11.05.50.3
41-50 years ago1.40.41.60.81.90.90.70.40.30.24.11.41.80.64.11.06.41.42.01.25.11.78.41.14.20.712.81.24.30.3
over 50 years ago4.40.70.60.64.71.30.90.41.10.410.22.06.61.05.81.211.91.917.13.113.52.622.51.717.61.437.51.712.40.4
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, 11.07.2020 #853424/319755
NFI2
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
state1993/95
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/a0.90.40.0.1.90.90.0.0.30.20.0.1.10.60.70.73.91.93.62.56.13.42.81.42.00.80.80.81.10.2
less than 10 years ago54.92.060.83.456.93.472.72.573.61.936.95.443.93.148.23.833.14.740.06.530.76.722.73.531.12.712.73.051.70.9
11-20 years ago26.41.827.83.124.12.922.22.419.41.725.54.931.62.928.03.515.53.615.34.724.26.216.73.122.42.413.83.023.30.8
21-30 years ago11.41.34.11.46.61.73.31.04.10.912.23.78.61.89.42.312.73.313.84.65.63.213.92.99.41.78.92.68.10.5
31-40 years ago2.60.74.71.54.81.50.70.51.00.47.52.83.61.22.41.28.82.83.32.36.53.79.52.56.71.510.92.84.00.4
41-50 years ago0.50.32.01.02.41.10.60.40.40.36.83.01.90.84.71.66.82.53.62.53.42.36.82.13.81.111.02.82.60.3
over 50 years ago3.30.70.60.63.21.20.60.41.30.511.13.59.31.86.51.919.13.920.25.223.66.027.53.824.52.541.94.39.20.5
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.
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 ago52.210.5........34.710.242.39.436.513.043.26.938.89.127.47.521.53.727.14.713.74.329.12.1
11-20 years ago22.48.8........34.010.129.18.720.810.724.76.06.94.725.47.916.63.424.34.512.14.020.41.9
21-30 years ago8.15.5........12.56.87.75.334.312.615.95.122.07.912.05.813.43.114.33.712.64.214.11.6
31-40 years ago8.65.9........4.44.36.74.60.0.4.12.814.26.610.85.917.13.411.43.49.13.610.81.4
41-50 years ago0.0.........0.0.7.55.10.0.8.13.93.43.413.36.36.62.33.52.04.82.75.41.1
over 50 years ago8.65.9........14.37.66.74.68.48.04.02.814.86.811.15.324.83.919.44.147.66.220.21.8
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.31.31.00.62.00.81.00.50.80.2
less than 10 years ago41.84.131.310.656.610.055.17.171.58.635.24.854.03.537.73.731.84.246.48.138.75.819.92.434.42.811.21.431.21.0
11-20 years ago23.73.539.511.08.85.930.76.617.57.224.74.424.33.033.53.626.54.014.75.523.25.013.62.123.82.510.61.420.20.9
21-30 years ago9.82.515.08.07.45.06.23.57.95.320.13.711.12.29.62.212.23.010.04.811.13.815.02.29.81.79.21.311.10.7
31-40 years ago6.72.114.37.64.44.32.12.13.03.04.32.13.91.37.12.010.82.85.23.610.23.413.12.08.61.610.21.48.50.6
41-50 years ago6.22.00.0.0.0.2.12.10.0.4.32.11.50.95.11.76.92.40.0.3.82.212.42.06.01.416.51.78.30.6
over 50 years ago11.02.60.0.22.98.33.82.60.0.11.53.25.21.56.92.011.72.823.76.911.73.925.02.615.32.141.32.219.90.9
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/a0.80.30.0.1.70.80.0.0.30.20.0.0.60.30.30.31.50.71.71.22.51.21.30.51.80.50.90.40.90.1
less than 10 years ago52.41.858.13.356.93.270.32.473.51.935.93.348.22.342.82.634.42.841.84.533.73.921.01.832.01.811.71.242.40.6
11-20 years ago25.81.628.93.022.62.723.32.219.31.726.03.128.32.030.42.422.12.513.33.024.03.515.11.523.31.611.31.222.00.5
21-30 years ago11.01.15.01.56.71.63.71.04.30.916.12.49.61.310.41.613.12.014.43.19.52.414.41.510.21.29.51.19.70.4
31-40 years ago3.60.75.61.64.81.40.90.51.10.45.61.63.90.94.61.18.81.76.32.29.22.413.01.58.21.010.31.26.20.3
41-50 years ago1.50.41.80.92.11.00.80.50.40.34.81.62.00.64.71.17.11.62.41.45.71.99.61.34.70.814.41.34.90.3
over 50 years ago4.90.80.60.65.31.41.00.51.20.511.72.27.41.16.81.313.02.020.13.615.42.925.71.919.81.542.01.914.00.4
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, 11.07.2020 #853425/319756
NFI2
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
state1993/95
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/a1.40.50.50.53.31.20.70.50.30.28.73.05.21.33.71.523.23.725.75.040.15.522.83.122.32.139.53.39.80.5
less than 10 years ago54.62.060.53.456.13.472.22.573.61.934.45.042.13.046.83.826.53.930.35.319.64.618.02.924.72.27.81.947.10.8
11-20 years ago26.31.827.73.123.82.922.12.419.41.723.04.530.32.827.23.412.42.911.63.715.44.113.32.517.82.08.41.921.30.7
21-30 years ago11.31.34.01.46.51.73.21.04.10.911.03.48.21.79.12.210.12.710.53.53.62.111.12.37.51.45.41.67.40.4
31-40 years ago2.60.74.71.54.81.50.70.51.00.46.82.53.51.12.31.27.12.32.51.84.12.47.52.05.31.26.71.73.60.3
41-50 years ago0.50.32.01.02.41.00.60.40.40.36.22.71.80.84.61.65.42.02.71.92.11.55.41.73.00.96.71.72.40.3
over 50 years ago3.30.70.60.63.21.20.60.41.30.510.03.28.91.76.31.915.33.216.64.215.04.021.93.119.42.025.53.08.50.5
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.
inside perimetern/a0.0.....0.0...0.0.0.0.6.56.37.43.69.85.33.83.84.81.97.52.74.42.55.11.0
less than 10 years ago52.210.5....0.0...34.710.242.39.434.112.440.06.634.98.526.37.220.43.624.74.413.14.127.52.0
11-20 years ago22.48.8....0.0...34.010.129.18.719.510.122.95.66.24.324.47.715.83.322.34.211.63.919.31.8
21-30 years ago8.15.5....0.0...12.56.87.75.332.012.014.84.819.87.211.55.612.73.013.13.412.04.013.31.5
31-40 years ago8.65.9....0.0...4.44.36.74.60.0.3.82.612.86.010.45.716.33.210.43.18.73.410.21.4
41-50 years ago0.0.....0.0...0.0.7.55.10.0.7.53.63.13.112.86.16.32.23.21.84.62.65.11.0
over 50 years ago8.65.9....100.0...14.37.66.74.67.87.53.72.613.46.110.75.123.63.818.93.945.56.119.51.8
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/a1.41.00.0.0.0.2.12.00.0.2.11.51.80.92.51.22.51.411.95.019.74.45.61.45.41.315.61.57.30.6
less than 10 years ago41.64.131.310.656.610.054.07.171.58.634.54.753.23.436.83.730.74.140.97.631.55.119.22.333.22.79.51.229.21.0
11-20 years ago23.53.539.511.08.85.930.16.517.57.224.24.323.82.932.73.525.73.913.04.918.94.212.92.023.02.49.01.218.80.8
21-30 years ago9.72.515.08.07.45.06.13.47.95.319.63.610.92.29.42.211.82.98.94.39.03.114.32.19.51.77.81.110.40.6
31-40 years ago6.72.014.37.64.44.32.12.03.03.04.22.13.81.36.91.910.42.74.53.28.32.812.41.98.31.68.71.27.90.6
41-50 years ago6.22.00.0.0.0.2.12.00.0.4.22.11.50.84.91.66.72.30.0.3.11.811.81.95.81.314.21.47.80.6
over 50 years ago10.92.60.0.22.98.33.72.60.0.11.33.15.11.46.81.912.12.820.96.29.53.223.82.514.72.035.32.018.60.8
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/a1.30.40.50.52.91.10.80.50.30.24.71.53.40.83.21.012.01.818.43.124.83.110.71.313.81.220.61.38.50.3
less than 10 years ago52.11.857.93.356.13.269.52.473.51.934.53.246.92.241.52.630.62.634.43.926.03.119.11.628.11.69.31.039.10.6
11-20 years ago25.71.628.73.022.32.723.12.219.31.724.63.027.42.029.52.419.72.310.92.518.52.813.71.420.41.49.11.020.20.5
21-30 years ago10.91.15.01.56.61.63.61.04.30.915.32.39.31.310.11.611.71.811.92.67.31.913.01.49.01.07.60.98.90.4
31-40 years ago3.60.75.51.64.71.40.80.51.10.45.31.53.80.94.41.17.91.55.21.87.11.911.71.37.10.98.20.95.70.3
41-50 years ago1.50.41.80.92.10.90.80.50.40.34.61.52.00.64.61.16.31.42.01.24.41.58.71.24.10.711.61.14.50.3
over 50 years ago4.90.80.60.65.21.41.30.61.20.511.12.17.21.16.61.311.91.917.23.111.82.323.21.717.51.333.71.613.00.4
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, 11.07.2020 #853426/319757
NFI2
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
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/a6.81.05.61.58.01.75.81.23.90.818.13.811.81.912.12.328.63.734.34.941.05.230.73.228.62.245.43.215.50.6
less than 10 years ago53.91.959.73.255.63.270.52.473.01.832.44.642.32.844.63.526.23.729.84.723.44.617.72.624.22.17.31.746.40.8
11-20 years ago23.41.624.52.821.52.619.22.117.11.620.24.026.32.523.93.011.22.79.53.013.63.711.62.216.01.87.51.718.80.6
21-30 years ago10.11.23.61.35.71.52.80.93.60.89.62.97.11.57.91.99.12.48.42.93.21.89.62.06.61.24.91.46.50.4
31-40 years ago2.40.64.31.44.21.30.60.40.80.46.02.22.91.02.11.06.32.02.11.53.62.16.51.74.71.05.91.53.20.3
41-50 years ago0.40.31.80.92.10.90.50.40.30.25.22.31.60.74.11.44.91.82.21.61.91.34.81.52.70.86.01.62.10.2
over 50 years ago3.00.70.60.62.91.10.50.41.20.48.62.87.91.55.51.613.72.913.73.513.23.619.02.717.21.822.92.77.50.4
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/a7.55.1....0.0...8.55.89.65.315.78.415.14.716.96.311.65.611.92.710.73.010.33.411.71.4
less than 10 years ago48.110.0....0.0...31.69.438.58.838.111.336.76.236.18.023.96.721.73.526.54.314.34.027.41.9
11-20 years ago20.58.2....0.0...31.19.326.08.015.28.121.05.25.33.722.47.214.02.920.63.911.73.717.51.6
21-30 years ago7.55.1....0.0...11.56.36.94.725.19.813.54.416.86.210.95.311.22.612.13.210.93.611.91.4
31-40 years ago8.25.5....0.0...4.03.96.24.20.0.3.52.410.85.19.55.314.62.99.72.97.93.19.21.2
41-50 years ago0.0.....0.0...0.0.6.64.60.0.6.83.32.62.611.75.65.61.93.01.74.12.44.60.9
over 50 years ago8.25.5....100.0...13.47.16.24.25.85.63.42.311.65.410.04.821.03.417.43.740.95.717.61.6
total100.0.....100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a6.31.94.64.513.46.38.83.83.43.39.32.78.11.810.02.111.92.719.05.723.14.414.41.912.71.822.81.614.50.7
less than 10 years ago41.43.933.510.350.69.251.96.770.78.233.54.352.23.237.43.428.83.838.67.133.44.818.92.233.72.59.81.229.00.9
11-20 years ago21.43.235.610.27.45.026.96.015.86.522.13.920.92.628.43.222.83.511.74.417.03.811.51.820.12.18.11.116.70.7
21-30 years ago9.02.313.57.36.04.15.43.17.24.917.93.39.51.98.11.910.52.67.93.88.12.812.71.98.21.57.01.09.20.6
31-40 years ago6.21.912.97.03.73.61.81.82.92.93.61.83.31.26.01.79.32.44.22.97.22.511.01.77.31.47.81.17.00.5
41-50 years ago5.71.90.0.0.0.1.81.80.0.3.61.81.30.74.31.46.02.00.0.2.81.610.41.75.11.212.71.36.90.5
over 50 years ago10.02.40.0.19.07.13.32.30.0.10.02.74.71.35.91.710.82.618.65.78.42.921.02.312.81.831.81.816.60.7
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/a6.70.85.51.48.61.76.21.23.90.812.92.110.11.311.21.619.42.126.63.328.23.019.01.520.11.327.41.414.80.4
less than 10 years ago51.51.757.43.155.13.067.92.372.91.832.83.046.32.140.92.429.12.433.53.527.93.119.11.528.31.59.51.038.70.5
11-20 years ago22.91.425.42.720.02.420.22.017.01.522.12.724.01.825.62.117.72.19.32.116.62.512.11.318.11.38.30.918.00.5
21-30 years ago9.81.04.51.35.71.43.20.93.80.813.72.18.11.18.71.410.51.69.92.26.71.711.41.27.90.96.80.87.90.3
31-40 years ago3.20.65.01.44.11.20.70.40.90.44.71.33.30.73.91.07.01.44.41.56.21.610.41.26.30.87.40.85.10.3
41-50 years ago1.40.41.60.81.90.80.70.40.30.23.91.31.70.54.01.05.71.31.71.04.01.37.71.03.70.610.41.04.00.2
over 50 years ago4.40.70.60.64.61.31.10.51.10.49.71.96.41.05.71.110.71.714.62.710.62.020.41.615.51.230.31.511.50.4
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, 11.07.2020 #853427/319758
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