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NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.80.21.80.64.01.05.01.52.20.71.70.81.70.2
21-40%2.50.38.51.29.81.514.22.415.91.89.61.96.60.4
41-60%7.30.620.91.718.92.031.13.230.12.226.82.915.40.6
61-80%24.20.934.92.031.52.425.23.033.72.335.53.128.20.7
over 80%65.11.033.92.035.82.424.53.018.21.926.42.948.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.3.51.71.11.11.41.02.01.40.0.1.70.5
21-40%4.03.92.71.59.73.19.82.512.73.313.13.99.01.2
41-60%3.73.621.63.819.04.123.23.526.64.334.25.523.41.8
61-80%38.39.540.34.628.34.740.54.145.94.835.75.538.82.1
over 80%54.09.831.84.341.95.125.13.612.83.216.94.327.21.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.2.20.61.70.72.50.92.20.81.40.51.70.3
21-40%0.0.4.10.92.90.910.51.718.02.06.20.96.80.5
41-60%1.70.718.41.715.21.923.62.430.42.417.71.518.20.8
61-80%32.02.737.92.230.42.537.32.732.22.530.41.833.30.9
over 80%66.32.737.42.149.82.626.12.417.12.044.31.940.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.70.22.10.42.70.63.00.72.20.51.30.41.70.2
21-40%2.20.36.00.76.90.911.51.216.41.27.60.86.90.3
41-60%6.60.519.91.117.31.325.91.729.81.521.21.317.00.4
61-80%25.30.936.71.430.71.634.21.834.61.632.11.530.90.5
over 80%65.20.935.21.342.41.625.41.617.11.337.71.543.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853620/319951
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.90.22.10.64.61.25.21.71.90.71.90.91.80.2
21-40%2.40.49.01.38.91.614.62.616.61.910.32.16.60.4
41-60%7.20.621.71.817.72.134.03.530.62.426.73.015.50.6
61-80%24.21.033.72.130.92.522.23.133.32.435.83.327.80.8
over 80%65.31.033.62.138.02.624.03.117.62.025.43.048.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.3.81.91.31.21.61.12.21.50.0.1.80.6
21-40%4.34.23.01.710.13.411.12.813.73.510.23.79.31.3
41-60%3.93.821.74.017.74.322.93.726.84.535.35.823.31.9
61-80%33.59.740.24.828.95.141.94.444.55.037.05.938.92.2
over 80%58.310.131.34.542.05.522.63.712.83.317.64.626.72.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.2.40.71.60.72.71.02.20.81.50.51.80.3
21-40%0.0.4.20.92.70.911.21.917.72.25.70.96.70.5
41-60%1.80.818.21.814.32.023.52.531.02.618.01.618.10.8
61-80%31.42.838.22.331.42.735.92.831.82.630.81.933.31.0
over 80%66.82.937.02.250.02.826.72.617.32.144.02.040.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.70.22.40.53.00.63.20.72.10.51.50.41.80.2
21-40%2.10.36.30.76.40.912.21.316.71.37.20.96.90.3
41-60%6.50.520.21.216.21.326.61.830.31.621.51.417.10.5
61-80%25.20.936.31.530.91.732.91.934.11.732.51.630.60.6
over 80%65.41.034.81.443.61.825.01.716.91.337.41.643.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853621/319952
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.10.40.60.61.10.80.0.0.90.40.0.1.20.72.61.37.02.76.23.40.0.6.82.32.00.91.91.41.60.2
21-40%4.30.90.50.51.91.00.90.51.10.47.73.45.51.43.61.515.43.916.45.312.15.114.93.316.62.37.82.65.40.4
41-60%11.81.32.61.26.71.82.10.84.40.924.15.118.92.513.72.722.14.522.25.826.17.235.54.332.32.919.74.013.20.6
61-80%29.21.925.63.120.02.819.32.323.21.826.95.235.33.135.53.832.85.122.56.124.07.123.03.833.42.938.44.827.40.8
over 80%53.62.070.73.270.33.277.72.470.41.941.35.739.13.144.53.822.84.532.76.437.97.919.83.515.72.332.24.752.40.9
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.
inside perimeter0-20%0.0.........0.0.3.33.30.0.4.02.80.0.2.82.71.71.21.21.20.0.1.50.6
21-40%4.64.5........0.0.0.0.6.96.76.03.416.17.58.84.811.93.014.53.98.13.59.41.4
41-60%4.14.0........13.77.426.88.215.810.322.96.119.57.814.45.920.33.727.04.837.76.222.82.0
61-80%34.79.9........53.410.833.98.815.29.938.37.044.610.028.38.242.64.643.75.337.96.239.62.3
over 80%56.710.4........33.09.936.19.262.113.228.86.519.88.045.79.023.43.913.53.616.34.726.72.1
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.0.0.0.0.1.11.10.90.60.70.73.51.72.82.72.81.93.01.01.80.80.90.41.40.3
21-40%0.0.0.0.0.0.0.0.0.0.6.52.61.80.92.11.26.22.30.0.4.92.811.11.914.92.14.71.06.00.5
41-60%1.51.00.0.4.64.52.12.13.33.218.64.012.72.39.52.427.84.214.86.122.35.121.12.532.12.816.01.717.20.8
61-80%36.64.135.010.733.59.712.34.743.09.439.24.942.73.528.43.633.24.435.28.430.75.836.93.032.72.829.62.133.61.1
over 80%61.94.165.010.761.910.085.65.153.79.534.64.641.93.559.43.829.44.247.28.739.35.928.02.718.42.348.82.341.91.1
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.
total0-20%0.90.30.60.61.00.70.0.0.80.40.60.51.20.51.60.74.81.33.71.82.01.13.60.81.80.51.00.41.50.2
21-40%3.50.70.40.41.70.90.80.41.00.46.31.93.60.83.00.99.31.811.13.07.92.312.21.515.61.45.50.95.90.3
41-60%9.61.12.41.06.41.72.10.74.30.820.22.916.61.711.81.824.92.719.23.621.53.424.51.931.51.918.71.515.50.5
61-80%30.81.726.53.021.52.818.42.124.31.835.93.538.42.231.32.534.13.031.64.528.23.934.72.134.51.931.81.930.70.6
over 80%55.21.770.23.169.43.078.82.269.61.937.03.440.22.252.32.627.02.734.44.440.44.224.91.916.61.543.01.946.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853622/319953
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.20.50.60.61.00.70.0.0.90.40.0.1.10.63.11.35.92.37.13.41.81.85.82.01.70.83.11.51.70.2
21-40%5.20.90.50.51.80.90.90.51.00.47.13.17.41.63.51.415.03.617.25.013.54.817.73.218.22.211.52.86.40.4
41-60%13.31.42.51.18.11.92.00.84.80.927.25.019.82.413.82.624.64.320.35.128.16.536.74.032.22.722.33.714.60.6
61-80%28.81.825.73.119.82.719.32.223.21.826.84.934.03.035.83.731.64.626.15.924.86.321.63.433.22.736.24.227.20.8
over 80%51.51.970.73.269.33.177.82.370.21.938.95.437.63.043.93.723.04.129.35.731.76.718.23.114.72.026.83.950.10.8
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.
inside perimeter0-20%0.0.........0.0.3.33.30.0.3.92.70.0.2.72.71.71.21.21.20.0.1.50.5
21-40%4.64.5........0.0.0.0.6.96.75.73.214.46.88.64.711.62.913.93.710.73.89.51.3
41-60%4.14.0........13.07.126.88.215.810.322.15.917.47.116.66.221.53.828.14.835.46.023.01.9
61-80%34.79.9........55.410.433.98.815.29.938.96.943.79.427.68.042.44.542.95.237.16.039.42.3
over 80%56.710.4........31.59.536.19.262.113.229.46.424.58.244.58.822.83.814.03.616.84.626.72.0
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.0.0.0.0.1.01.01.30.70.60.63.31.64.93.42.61.82.91.02.00.81.00.41.50.3
21-40%0.0.0.0.0.0.0.0.0.0.7.22.71.80.92.01.15.92.10.0.5.82.911.41.917.72.26.31.16.90.6
41-60%1.41.00.0.4.44.32.12.13.33.219.03.913.02.310.72.428.14.115.45.821.84.821.32.531.42.716.81.617.70.8
61-80%35.64.035.010.732.39.412.34.743.09.438.54.842.83.430.13.533.34.336.07.930.95.537.02.931.02.729.22.033.31.0
over 80%63.04.065.010.763.39.785.65.153.79.534.24.541.13.456.73.729.54.143.78.038.95.727.42.617.92.246.62.240.71.1
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.
total0-20%1.00.40.60.60.90.60.0.0.80.40.50.51.30.51.80.74.41.24.81.92.41.13.40.81.80.51.30.41.60.2
21-40%4.20.70.40.41.60.80.80.41.00.46.41.84.60.92.90.99.21.711.22.88.92.213.11.517.41.47.71.06.80.3
41-60%10.81.12.31.07.71.72.10.74.70.921.72.917.31.612.41.725.72.618.13.322.73.325.61.931.31.819.61.516.40.5
61-80%30.21.626.53.021.12.718.42.024.21.835.63.337.82.232.32.533.72.833.14.328.23.734.02.033.51.831.31.830.40.6
over 80%53.81.770.23.168.73.078.82.169.31.935.83.239.02.150.72.527.02.632.84.037.83.823.91.816.01.440.21.844.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853623/319954
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.10.40.60.60.80.60.0.0.80.40.0.1.00.62.71.25.52.25.92.81.71.75.01.72.20.82.71.31.50.2
21-40%5.30.90.90.61.60.80.80.41.20.47.22.86.91.44.11.414.83.418.24.613.44.417.33.017.52.110.12.56.30.4
41-60%13.71.32.31.07.61.72.10.74.90.925.74.519.32.214.12.523.04.023.64.930.16.233.73.731.62.523.03.514.50.6
61-80%28.21.725.12.921.02.620.42.123.21.726.44.535.72.837.03.434.34.625.95.324.95.925.63.433.82.636.84.027.80.7
over 80%51.81.871.13.069.02.976.72.269.81.840.85.037.22.842.13.422.54.026.65.030.06.218.43.014.91.927.43.749.80.8
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.
inside perimeter0-20%0.0.........0.0.3.23.10.0.3.62.50.0.2.62.61.51.01.11.10.0.1.30.5
21-40%4.24.1........0.0.0.0.5.45.25.23.015.16.37.44.010.22.612.83.413.64.09.21.2
41-60%4.03.9........12.16.727.87.930.111.121.95.614.86.115.45.822.13.627.84.534.35.623.21.8
61-80%39.39.8........54.810.030.78.216.68.840.66.643.28.725.27.540.94.244.55.035.85.639.12.1
over 80%52.510.0........33.09.238.38.847.911.828.66.126.87.849.48.525.43.713.93.516.24.327.21.9
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.0.0.0.0.1.01.01.20.70.60.63.01.54.33.04.02.32.60.92.10.80.90.41.50.3
21-40%0.0.0.0.0.0.0.0.0.0.6.12.22.00.92.11.16.02.00.0.6.22.710.71.817.82.16.81.06.90.5
41-60%1.30.90.0.3.73.61.91.93.03.020.63.714.02.210.92.325.73.813.55.126.14.821.72.330.72.516.31.517.70.8
61-80%34.63.836.110.240.89.116.35.038.78.838.24.442.93.230.53.332.84.034.27.327.45.038.42.831.92.529.41.933.51.0
over 80%64.13.863.910.255.69.181.95.258.38.934.14.240.03.255.83.532.63.947.97.636.35.226.72.517.52.046.62.140.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.90.30.60.60.70.50.0.0.80.30.50.51.20.41.60.64.01.14.11.62.91.33.00.72.00.51.20.41.50.2
21-40%4.30.70.80.51.40.70.70.41.20.45.91.64.40.83.20.99.01.612.12.68.82.112.31.317.01.38.11.06.80.3
41-60%11.21.12.11.07.11.62.10.74.80.821.82.717.51.513.31.724.02.518.63.025.23.225.11.830.71.719.31.416.40.4
61-80%29.61.526.02.823.22.619.92.024.01.735.13.138.52.033.02.334.82.732.13.926.13.435.41.934.31.731.41.730.80.6
over 80%54.01.670.52.967.52.877.42.069.31.836.73.038.42.048.92.328.22.533.03.737.03.624.21.715.91.340.11.744.50.6
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853624/319955
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.10.40.60.60.80.60.30.30.80.40.0.1.00.52.61.14.91.86.72.74.52.25.01.52.20.71.70.81.70.2
21-40%5.30.90.80.61.60.80.80.41.20.47.62.86.91.44.61.512.92.814.83.615.53.814.22.415.91.89.61.96.60.4
41-60%13.71.32.31.07.41.72.10.74.90.924.14.219.32.214.32.522.03.522.34.326.34.831.13.230.12.226.82.915.30.6
61-80%28.31.725.02.921.12.620.32.123.21.727.54.336.02.736.53.437.44.127.24.724.34.725.23.033.72.335.53.128.30.7
over 80%51.61.871.33.069.12.976.52.269.81.840.74.836.92.742.13.422.83.529.04.529.44.924.53.018.21.926.42.948.20.7
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.
inside perimeter0-20%0.0.....0.0...0.0.3.23.10.0.5.12.90.0.2.52.51.41.02.01.40.0.1.70.5
21-40%4.24.1....0.0...0.0.0.0.5.15.04.92.813.85.87.13.99.82.512.73.313.13.98.91.2
41-60%4.03.9....0.0...12.16.727.87.928.610.721.95.416.46.114.95.623.23.526.64.334.25.523.21.8
61-80%39.39.8....0.0...54.810.030.78.215.88.439.76.439.48.224.47.340.54.145.94.835.75.538.82.1
over 80%52.510.0....100.0...33.09.238.38.850.511.528.55.930.47.751.28.325.13.612.83.216.94.327.41.9
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 perimeter0-20%0.0.0.0.0.0.0.0.0.0.2.71.51.20.70.50.53.61.63.92.73.31.92.50.92.20.81.40.51.70.3
21-40%0.0.0.0.0.0.0.0.0.0.6.02.22.30.92.11.05.72.00.0.6.12.410.51.718.02.06.20.96.80.5
41-60%1.30.90.0.3.73.61.81.83.03.020.33.714.02.210.72.224.73.618.45.522.94.223.62.430.42.417.71.518.20.8
61-80%34.43.836.110.240.89.116.04.938.78.837.54.441.93.230.33.231.63.930.56.730.34.737.32.732.22.530.41.833.30.9
over 80%64.33.863.910.255.69.182.25.158.38.933.54.140.63.156.43.434.43.947.27.137.54.926.12.417.12.044.31.939.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.90.30.60.60.70.50.20.20.80.31.30.71.20.41.50.64.41.14.61.63.61.33.00.72.20.51.30.41.70.2
21-40%4.30.70.80.51.40.70.70.41.20.46.11.64.60.83.40.98.51.510.52.39.91.911.51.216.41.27.60.86.80.3
41-60%11.21.12.11.07.01.52.10.74.80.821.12.617.51.513.21.623.12.320.12.922.92.825.91.729.81.521.21.317.00.4
61-80%29.71.525.92.823.22.519.72.024.01.734.93.038.22.032.62.335.42.630.63.526.93.034.21.834.61.632.11.530.90.6
over 80%53.91.670.62.967.62.877.32.069.31.836.63.038.51.949.32.328.62.434.33.436.63.225.41.617.11.337.71.543.60.5
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853625/319956
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.20.50.60.61.00.70.30.30.90.40.0.1.10.63.01.35.52.08.23.25.02.55.21.71.90.71.90.91.80.2
21-40%5.20.90.50.51.80.90.90.51.00.47.83.17.51.64.01.513.63.114.34.013.93.914.62.616.61.910.32.16.60.4
41-60%13.21.42.51.18.01.82.00.74.80.925.64.719.82.413.92.622.83.719.44.524.44.934.03.530.62.426.73.015.40.6
61-80%29.01.825.53.119.92.719.22.223.21.828.34.734.42.935.23.635.14.226.45.125.25.022.23.133.32.435.83.327.80.8
over 80%51.41.970.83.269.33.177.62.370.21.938.25.137.22.943.83.723.03.731.75.231.55.324.03.117.62.025.43.048.40.8
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.
inside perimeter0-20%0.0.....0.0...0.0.3.33.30.0.5.53.10.0.2.62.61.61.12.21.50.0.1.80.6
21-40%4.64.5....0.0...0.0.0.0.6.56.35.33.013.06.18.34.511.12.813.73.510.23.79.21.3
41-60%4.14.0....0.0...13.07.126.88.214.89.622.05.718.96.915.96.022.93.726.84.535.35.823.11.9
61-80%34.79.9....0.0...55.410.433.98.814.29.338.06.639.48.826.67.841.94.444.55.037.05.939.02.2
over 80%56.710.4....100.0...31.59.536.19.264.512.629.26.228.78.246.78.722.63.712.83.317.64.626.92.0
total100.0.....100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.0.0.0.0.3.11.81.20.70.60.64.01.74.33.02.11.52.71.02.20.81.50.51.80.3
21-40%0.0.0.0.0.0.0.0.0.0.7.12.62.20.91.91.15.72.10.0.5.82.611.21.917.72.25.70.96.70.5
41-60%1.41.00.0.4.44.32.12.03.33.218.63.913.22.310.42.427.14.020.66.019.24.223.52.531.02.618.01.618.20.8
61-80%35.34.035.010.732.39.412.14.743.09.437.74.741.93.429.83.532.24.231.87.233.85.135.92.831.82.630.81.933.31.0
over 80%63.34.065.010.763.39.785.95.053.79.533.54.441.53.457.33.731.04.143.37.539.05.226.72.617.32.144.02.040.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.00.40.60.60.90.60.30.30.80.41.50.91.30.51.80.74.91.25.41.93.31.23.20.72.10.51.50.41.80.2
21-40%4.20.70.40.41.60.80.80.41.00.46.71.84.80.93.10.98.91.69.92.49.42.012.21.316.71.37.20.96.90.3
41-60%10.81.12.31.07.61.72.00.74.70.921.02.817.31.612.31.724.42.519.73.120.72.826.61.830.31.621.51.417.00.5
61-80%30.31.626.43.021.22.618.22.024.21.835.53.337.62.131.82.434.42.730.63.829.23.332.91.934.11.732.51.630.70.6
over 80%53.71.770.33.168.72.978.82.169.31.935.33.139.02.151.12.527.42.534.53.737.43.425.01.716.91.337.41.643.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853626/319957
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.30.60.21.50.64.10.91.91.41.60.2
21-40%3.30.61.20.35.21.015.81.67.82.65.40.4
41-60%9.51.04.20.618.01.730.12.019.74.013.30.6
61-80%28.21.621.41.334.02.229.21.938.44.827.40.8
over 80%58.11.772.51.441.32.220.81.732.24.752.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.71.72.00.80.0.1.60.6
21-40%4.54.40.0.1.71.611.61.88.13.59.41.4
41-60%4.24.10.0.20.45.122.12.437.76.223.02.0
61-80%34.69.90.0.35.56.041.02.837.96.239.52.3
over 80%56.710.40.0.40.86.123.42.416.34.726.62.1
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.90.42.70.60.90.41.50.3
21-40%0.0.0.0.2.80.810.71.14.71.05.90.5
41-60%1.30.92.91.712.61.525.91.616.01.717.10.8
61-80%36.43.825.74.436.92.233.91.729.62.133.41.1
over 80%62.33.871.44.546.82.326.81.648.82.342.11.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.20.33.00.41.00.41.50.2
21-40%2.80.51.10.33.90.612.60.85.50.95.90.3
41-60%8.00.94.00.615.71.126.61.118.71.515.50.5
61-80%29.71.521.81.235.41.533.71.231.81.930.60.6
over 80%58.71.572.41.343.81.524.11.043.01.946.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853627/319958
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.00.40.70.31.60.54.00.71.90.91.80.2
21-40%4.00.71.20.36.41.115.31.210.32.16.60.4
41-60%10.61.14.70.618.91.728.61.626.73.015.50.6
61-80%28.01.621.31.233.62.029.71.635.83.327.70.8
over 80%56.41.672.11.339.62.122.41.425.43.048.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.61.62.40.80.0.1.80.6
21-40%4.54.40.0.1.61.610.71.710.23.79.11.3
41-60%4.24.10.0.19.74.923.02.335.35.823.31.9
61-80%34.69.90.0.35.95.940.32.637.05.938.92.2
over 80%56.710.4100.0.41.16.023.62.317.64.626.82.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.40.52.80.61.50.51.80.3
21-40%0.0.0.0.3.00.811.61.15.70.96.70.5
41-60%1.20.92.91.613.11.526.21.518.01.618.10.8
61-80%35.33.725.24.336.62.233.21.630.81.933.11.0
over 80%63.43.871.94.445.92.226.21.544.02.040.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.50.43.20.41.50.41.80.2
21-40%3.30.61.10.34.50.613.00.77.20.96.90.3
41-60%8.90.94.50.616.31.126.71.021.51.417.10.5
61-80%29.41.421.61.235.11.432.91.032.51.630.60.6
over 80%57.51.572.11.342.51.424.20.937.41.643.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853628/319959
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.00.40.60.21.60.63.80.83.11.51.60.2
21-40%4.00.71.20.36.11.117.21.511.52.86.40.4
41-60%10.71.14.70.619.01.730.71.822.33.714.70.6
61-80%27.91.621.31.333.42.129.01.836.24.227.20.8
over 80%56.41.672.11.339.92.119.41.526.83.950.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.71.71.90.80.0.1.50.6
21-40%4.54.40.0.1.61.611.11.710.73.89.41.3
41-60%4.24.10.0.20.15.022.72.335.46.023.11.9
61-80%34.69.90.0.36.56.040.62.737.16.039.32.2
over 80%56.710.40.0.40.16.123.62.416.84.626.62.0
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.00.52.80.61.00.41.60.3
21-40%0.0.0.0.2.80.711.81.16.31.16.80.5
41-60%1.20.92.91.613.31.525.91.516.81.617.60.8
61-80%35.53.825.54.337.32.233.31.729.22.033.11.0
over 80%63.23.871.74.545.62.226.21.546.62.240.91.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.40.43.00.41.30.41.60.2
21-40%3.40.61.10.34.30.613.70.87.71.06.80.3
41-60%9.00.94.60.616.41.127.11.019.61.516.40.5
61-80%29.31.421.71.235.41.533.11.131.31.830.30.6
over 80%57.51.572.11.342.51.423.21.040.21.844.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853629/319960
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.30.60.21.40.53.60.72.71.31.50.2
21-40%4.20.71.20.36.01.016.91.410.12.56.40.4
41-60%10.91.04.60.618.61.630.01.723.03.514.60.6
61-80%27.31.521.91.234.62.030.41.736.84.027.80.7
over 80%56.71.571.71.339.42.019.11.427.43.749.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.51.51.70.70.0.1.40.5
21-40%4.14.00.0.1.41.410.21.613.64.09.21.3
41-60%4.14.00.0.23.35.022.42.234.35.623.21.8
61-80%39.29.70.0.34.85.540.52.635.85.639.02.1
over 80%52.610.00.0.39.05.725.22.316.24.327.21.9
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.90.42.70.50.90.41.50.3
21-40%0.0.0.0.2.80.711.71.16.81.06.90.5
41-60%1.10.82.61.514.11.525.71.416.31.517.70.8
61-80%34.83.628.34.237.32.033.61.629.41.933.41.0
over 80%64.13.669.14.344.82.126.21.446.62.140.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.50.21.20.32.80.41.20.41.50.2
21-40%3.50.61.10.34.30.613.40.88.11.06.80.3
41-60%9.20.94.50.616.81.026.71.019.31.416.40.4
61-80%28.71.422.51.135.81.433.71.131.41.730.70.6
over 80%57.81.471.41.241.81.323.40.940.11.744.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853630/319961
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.30.60.21.40.53.80.61.70.81.70.2
21-40%4.20.71.20.36.31.015.01.29.61.96.60.4
41-60%11.01.04.60.618.51.528.01.526.82.915.40.6
61-80%27.31.521.91.234.71.930.81.535.53.128.20.7
over 80%56.61.571.61.339.21.922.31.326.42.948.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.51.42.10.70.0.1.70.5
21-40%4.14.00.0.1.41.49.91.513.13.98.91.2
41-60%4.14.00.0.23.04.922.62.134.25.523.41.8
61-80%39.29.70.0.34.35.540.32.535.75.538.72.1
over 80%52.610.0100.0.39.85.625.02.216.94.327.31.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.20.52.70.51.40.51.70.3
21-40%0.0.0.0.3.00.711.61.06.20.96.80.5
41-60%1.10.82.61.514.01.426.01.417.71.518.20.8
61-80%34.63.628.14.236.72.033.31.530.41.833.20.9
over 80%64.33.669.44.345.22.126.41.444.31.940.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.30.33.10.41.30.41.70.2
21-40%3.50.61.10.34.50.612.70.77.60.86.90.3
41-60%9.30.94.40.616.71.026.30.921.21.317.00.4
61-80%28.81.322.41.135.61.333.41.032.11.530.80.5
over 80%57.71.471.51.241.91.324.50.937.71.543.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853631/319962
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%1.0440.0.0.0.1.044
61-80%11.2120.0.0.0.11.212
over 80%34.240.0.0.0.34.24
total46.720.0.0.0.46.72
AI0-20%0.21000.0.0.0.0.2100
21-40%0.21000.21000.0.0.472
41-60%0.21000.21000.6571.043
61-80%0.4680.0.0.6571.041
over 80%1.3340.21001.1392.621
total2.3250.6572.2245.19
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.21000.2100
41-60%0.21000.0.0.31000.473
61-80%2.5230.0.0.7493.221
over 80%2.6250.21001.6284.415
total5.3130.21002.7228.16
BE0-20%1.2400.4710.8502.528
21-40%3.0260.21001.8335.020
41-60%10.9132.8279.11422.89
61-80%24.395.71825.0855.05
over 80%44.163.52328.2875.84
total83.5412.71264.94161.11
BL/BS0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.7570.0.0.0.0.757
61-80%3.9220.0.1.1445.019
over 80%11.1100.0.2.72713.98
total15.760.0.3.92219.64
FR0-20%0.0.0.0.0.0.0.0.
21-40%0.5700.0.0.0.0.570
41-60%2.3300.21002.2294.620
61-80%5.5190.5575.41811.512
over 80%17.780.3705.11823.26
total25.951.04012.81039.73
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.0.0.0.0.0.0.0.
61-80%0.0.0.0.0.0.0.0.
over 80%3.1130.0.0.0.3.113
total3.1130.0.0.0.3.113
GL0-20%0.0.0.21000.21000.470
21-40%0.6570.4690.0.0.942
41-60%1.0440.7491.0442.725
61-80%1.2401.1390.8503.122
over 80%2.1291.4363.1236.713
total4.9183.8205.11713.87
GR0-20%1.2410.21001.2412.628
21-40%8.8152.6289.31420.79
41-60%17.6106.31721.3945.26
61-80%18.2108.91421.6948.75
over 80%8.3152.72616.21027.27
total54.2520.7969.64144.52
JU0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%1.7320.0.0.21001.931
61-80%4.3200.4713.3238.014
over 80%14.790.5567.01522.26
total21.360.94310.51132.83
LU0-20%0.0.0.0.0.0.0.0.
21-40%2.1310.0.0.0.2.131
41-60%1.9320.21000.4702.527
61-80%9.7130.0.2.22911.911
over 80%18.480.4704.22122.96
total31.940.6586.81639.43
NE0-20%0.6600.0.0.0.0.660
21-40%0.7570.21000.0.0.950
41-60%3.2240.0.0.21003.423
61-80%9.0120.21001.63310.810
over 80%9.8120.7571.14011.510
total23.451.0442.82427.33
NW0-20%0.0.0.31000.0.0.3100
21-40%0.31000.0.0.0.0.3100
41-60%0.5710.0.0.31000.856
61-80%1.3420.31000.4722.031
over 80%1.4400.6581.9313.918
total3.5211.2442.6267.29
OW0-20%0.4710.0.0.21000.658
21-40%0.5590.0.0.3690.845
41-60%2.9240.5581.0434.418
61-80%3.2240.4723.1246.614
over 80%2.0290.8502.8265.616
total9.1121.7337.41318.14
SG0-20%0.4700.0.0.21000.656
21-40%0.8500.21000.7581.735
41-60%3.6240.4713.1257.016
61-80%6.2181.2448.11515.510
over 80%9.1142.52912.21123.97
total20.194.42124.3748.84
SH0-20%0.21000.0.0.0.0.2100
21-40%0.21000.0.0.0.0.2100
41-60%0.0.0.0.0.0.0.0.
61-80%2.2290.0.0.4692.626
over 80%9.380.0.0.0.9.38
total11.940.0.0.46912.33
SO0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.7580.0.0.0.0.758
61-80%5.0190.0.0.21005.318
over 80%22.850.21002.62725.64
total28.530.21002.92631.62
SZ0-20%0.6580.0.0.21000.950
21-40%1.2410.21000.21001.635
41-60%2.8260.21000.8503.822
61-80%3.6230.4713.7227.614
over 80%5.3170.6575.71611.79
total13.5101.43710.71125.54
TG0-20%0.4740.0.0.0.0.474
21-40%0.3710.0.0.0.0.371
41-60%0.9410.0.0.11001.038
61-80%4.7180.0.1.5346.215
over 80%11.090.0.0.84511.88
total17.250.0.2.42619.63
TI0-20%0.21000.0.0.6580.850
21-40%1.2410.8503.0255.019
41-60%2.5282.82710.61315.910
61-80%6.3173.02622.9832.27
over 80%6.1181.53538.5646.15
total16.3108.01575.6399.92
UR0-20%0.21000.0.0.21000.471
21-40%1.0450.6580.0.1.535
41-60%1.1400.7491.0442.924
61-80%1.4371.8321.8324.917
over 80%1.2400.4711.6343.222
total4.8183.5214.61812.96
VD0-20%1.0450.0.0.4711.438
21-40%5.5190.4711.3407.116
41-60%10.4130.8502.72613.911
61-80%18.591.9314.52025.08
over 80%32.161.9336.31740.35
total67.535.01915.21087.72
VS0-20%1.7350.4711.5353.623
21-40%3.7232.7265.71812.112
41-60%8.7154.72010.91324.28
61-80%5.6199.81419.0934.46
over 80%4.8195.41814.51124.78
total24.5822.9851.6599.02
ZG0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.0.0.0.0.0.0.0.
61-80%1.1380.0.0.21001.335
over 80%1.8300.21002.0263.914
total2.9190.21002.3225.48
ZH0-20%0.3700.0.0.0.0.370
21-40%0.7490.0.0.0.0.749
41-60%2.7260.0.0.21002.925
61-80%10.2120.0.0.210010.412
over 80%33.140.0.1.34034.44
total47.120.0.1.63548.82
Switzerland0-20%9.1151.5385.61916.211
21-40%31.488.41522.6962.45
41-60%77.4520.41066.05163.73
61-80%159.8335.57128.24323.52
over 80%307.5224.19160.43492.01
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #853632/319963
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%1.1390.0.0.0.1.139
61-80%11.2110.0.0.0.11.211
over 80%35.140.0.0.0.35.14
total47.620.0.0.0.47.62
AI0-20%0.21000.0.0.0.0.2100
21-40%0.4710.11000.0.0.558
41-60%0.4710.21000.5571.039
61-80%0.3690.0.0.8421.134
over 80%1.1350.21001.1352.321
total2.3230.5572.3215.09
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.11000.0.0.21000.474
61-80%2.6210.0.0.7443.318
over 80%2.3250.11001.9234.314
total5.0120.11003.0188.16
BE0-20%1.1400.4710.7502.228
21-40%4.1210.21002.0306.316
41-60%11.6122.7269.81324.08
61-80%26.186.01726.2858.35
over 80%45.353.32327.9776.64
total88.2312.61166.64167.41
BL/BS0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.6580.0.0.0.0.658
61-80%4.1200.0.1.2405.317
over 80%11.490.0.2.92514.37
total16.260.0.4.12020.23
FR0-20%0.0.0.0.0.0.0.0.
21-40%0.4700.0.0.21000.657
41-60%2.4270.21002.3274.918
61-80%6.0170.7505.21711.911
over 80%18.670.5575.31724.46
total27.451.33513.01041.73
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.31000.0.0.0.0.3100
61-80%0.0.0.0.0.0.0.0.
over 80%2.5180.0.0.0.2.518
total2.8150.0.0.0.2.815
GL0-20%0.0.0.21000.21000.370
21-40%0.7500.3690.0.1.039
41-60%1.9300.8441.4354.119
61-80%1.4351.0400.8453.221
over 80%2.1281.8302.9236.912
total6.0154.1185.41615.56
GR0-20%1.7330.21001.4353.323
21-40%11.2122.52713.21126.98
41-60%19.896.41622.6848.85
61-80%21.699.21323.1853.95
over 80%9.5132.72517.4929.57
total63.7421.0977.74162.52
JU0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%2.4250.0.0.21002.625
61-80%3.9200.3713.3227.614
over 80%14.780.5577.51422.75
total21.560.84311.01033.32
LU0-20%0.0.0.0.0.21000.2100
21-40%2.0300.0.0.0.2.030
41-60%2.9250.21000.4703.422
61-80%10.7110.0.1.93012.610
over 80%19.070.3703.82023.26
total34.640.5586.31641.42
NE0-20%0.6590.0.0.0.0.659
21-40%0.8490.21000.0.1.044
41-60%3.5210.0.0.21003.721
61-80%9.6110.3711.43311.310
over 80%9.5110.6571.33511.49
total24.041.0402.92227.93
NW0-20%0.0.0.21000.0.0.2100
21-40%0.7540.0.0.0.0.754
41-60%0.9490.0.0.5681.338
61-80%1.5350.21000.5582.226
over 80%1.2400.8511.6313.619
total4.3171.2402.6248.17
OW0-20%0.4710.0.0.21000.558
21-40%1.0410.0.0.3691.335
41-60%3.2220.6500.9434.717
61-80%3.0230.3713.3226.614
over 80%2.4250.7503.2226.414
total10.0111.6317.91219.43
SG0-20%0.8490.0.0.4711.240
21-40%1.1410.21001.0442.328
41-60%3.9210.9454.2209.013
61-80%7.2151.3408.91317.39
over 80%10.1122.22912.51024.86
total22.984.52027.1654.63
SH0-20%0.21000.0.0.0.0.2100
21-40%0.4700.0.0.0.0.470
41-60%0.0.0.0.0.0.0.0.
61-80%2.3260.0.0.4692.724
over 80%8.980.0.0.21009.18
total11.830.0.0.55612.42
SO0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%1.0440.0.0.0.1.044
61-80%5.2170.0.0.21005.417
over 80%23.250.21002.72526.14
total29.430.21002.92432.52
SZ0-20%0.6580.0.0.21000.850
21-40%1.4350.21000.4711.930
41-60%2.8240.11001.1404.119
61-80%4.6190.4723.9208.913
over 80%5.1171.0416.21512.38
total14.591.73111.81028.04
TG0-20%0.4750.0.0.0.0.475
21-40%0.5490.0.0.0.0.549
41-60%1.0360.0.0.11001.133
61-80%4.7170.0.1.4356.115
over 80%10.890.0.0.84211.68
total17.340.0.2.32519.73
TI0-20%0.4710.0.0.7501.041
21-40%1.7321.4354.1207.215
41-60%4.6192.62611.81219.19
61-80%7.8152.82524.5835.16
over 80%6.5161.73139.0547.25
total21.098.51480.13109.62
UR0-20%0.3710.0.0.3710.750
21-40%1.5320.7490.0.2.226
41-60%1.8290.6491.0403.520
61-80%1.9292.0281.9295.814
over 80%1.2370.5561.6323.220
total6.8133.8184.81615.45
VD0-20%1.1410.0.0.4711.435
21-40%5.9170.3711.1407.315
41-60%12.5110.7503.12316.39
61-80%19.981.9305.31727.17
over 80%33.461.9306.81542.15
total72.834.81816.6994.22
VS0-20%1.5350.3711.4353.223
21-40%5.0192.4265.71713.111
41-60%9.8135.21811.71226.77
61-80%7.4159.71320.7837.76
over 80%5.3176.01614.41025.77
total29.0723.7853.84106.52
ZG0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.0.0.0.0.0.0.0.
61-80%1.2320.0.0.3681.529
over 80%1.9260.21001.9254.012
total3.1170.21002.4205.76
ZH0-20%0.3700.0.0.0.0.370
21-40%0.7490.0.0.0.0.749
41-60%2.8240.0.0.21002.924
61-80%10.7110.0.0.210010.911
over 80%33.340.0.1.33734.64
total47.920.0.1.63349.41
Switzerland0-20%9.6141.3386.01717.010
21-40%39.878.41428.2876.45
41-60%91.2421.2972.25184.63
61-80%174.9336.17136.23347.22
over 80%314.4225.28164.23503.81
total630.0192.24406.821128.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #853633/319964
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%1.2390.0.0.0.1.239
61-80%11.7110.0.0.0.11.711
over 80%35.040.0.0.0.35.04
total48.120.0.0.0.48.12
AI0-20%0.21000.0.0.0.0.2100
21-40%0.21000.21000.0.0.472
41-60%0.21000.21000.6571.043
61-80%0.4680.0.0.6571.041
over 80%1.3340.21001.1392.621
total2.3250.6572.2245.19
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.21000.2100
41-60%0.21000.0.0.31000.473
61-80%2.5230.0.0.7493.221
over 80%2.6250.21001.6284.415
total5.3130.21002.7228.16
BE0-20%1.2400.4710.8502.528
21-40%4.0220.21001.8336.018
41-60%12.1122.8279.71424.68
61-80%25.585.91826.0857.45
over 80%44.963.52329.0877.44
total87.7412.91267.34167.91
BL/BS0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.7570.0.0.0.0.757
61-80%4.1210.0.1.1445.218
over 80%11.3100.0.3.02514.38
total16.160.0.4.12120.23
FR0-20%0.0.0.0.0.0.0.0.
21-40%0.5700.0.0.21000.757
41-60%2.4280.21002.4285.019
61-80%5.9180.5575.61812.012
over 80%18.380.3705.31824.06
total27.151.04013.51041.73
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.41000.0.0.0.0.4100
61-80%0.0.0.0.0.0.0.0.
over 80%3.1130.0.0.0.3.113
total3.520.0.0.0.3.52
GL0-20%0.0.0.21000.21000.470
21-40%0.6570.4690.0.0.942
41-60%1.5350.9441.0443.422
61-80%1.2401.1390.9453.322
over 80%2.4271.4363.1236.913
total5.7174.0205.21714.96
GR0-20%1.4380.21001.4383.026
21-40%11.8132.62812.71227.28
41-60%20.496.71723.1950.25
61-80%21.199.31422.6952.95
over 80%9.3142.92617.41029.67
total64.1521.7977.24162.92
JU0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%2.5260.0.0.21002.726
61-80%4.3200.4713.3238.014
over 80%14.790.5567.21522.46
total22.160.94310.71133.73
LU0-20%0.0.0.0.0.21000.2100
21-40%2.3290.0.0.0.2.329
41-60%2.3290.21000.4702.925
61-80%9.9130.0.2.22912.111
over 80%19.170.4704.22123.76
total33.540.6587.01641.22
NE0-20%0.6600.0.0.0.0.660
21-40%0.9490.21000.0.1.144
41-60%3.7220.0.0.21003.821
61-80%9.2120.21001.63311.010
over 80%9.8120.7571.33811.710
total24.251.0443.02328.33
NW0-20%0.0.0.31000.0.0.3100
21-40%0.5680.0.0.0.0.568
41-60%1.0490.0.0.31001.343
61-80%1.3420.31000.4722.031
over 80%1.4400.6581.9313.918
total4.3181.2442.6268.08
OW0-20%0.4710.0.0.21000.658
21-40%1.1410.0.0.3691.435
41-60%3.1230.5581.0434.618
61-80%3.2240.4723.3236.914
over 80%2.0290.8502.8265.616
total9.9111.7337.61319.14
SG0-20%0.9480.0.0.21001.143
21-40%1.2410.21000.9502.430
41-60%4.0230.4713.7238.115
61-80%7.3161.2449.21417.79
over 80%9.7132.52913.01025.37
total23.184.42127.1754.53
SH0-20%0.21000.0.0.0.0.2100
21-40%0.21000.0.0.0.0.2100
41-60%0.0.0.0.0.0.0.0.
61-80%2.2290.0.0.4692.626
over 80%9.380.0.0.0.9.38
total11.940.0.0.46912.33
SO0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.9500.0.0.0.0.950
61-80%5.2180.0.0.21005.418
over 80%23.250.21002.62726.04
total29.330.21002.92632.32
SZ0-20%0.6580.0.0.21000.950
21-40%1.2410.21000.21001.635
41-60%2.8260.21001.0444.021
61-80%4.4210.4714.1218.813
over 80%5.3170.9446.01612.29
total14.391.73211.51127.54
TG0-20%0.4740.0.0.0.0.474
21-40%0.3710.0.0.0.0.371
41-60%1.0380.0.0.11001.135
61-80%4.7180.0.1.5346.215
over 80%11.290.0.0.84511.98
total17.550.0.2.42619.93
TI0-20%0.4710.0.0.8501.241
21-40%1.9321.1414.0217.116
41-60%4.2212.82712.21219.29
61-80%7.9153.02624.4835.27
over 80%6.3181.73339.4647.45
total20.798.61480.83110.12
UR0-20%0.4720.0.0.4710.850
21-40%1.3370.6580.0.1.931
41-60%1.3370.7491.2403.222
61-80%1.6342.0311.9305.516
over 80%1.4370.4711.6343.422
total6.0153.7215.11714.85
VD0-20%1.2410.0.0.4711.635
21-40%6.1180.4711.3407.716
41-60%12.8120.8502.92616.510
61-80%19.592.1304.52026.28
over 80%33.762.0316.71642.45
total73.335.31915.81094.52
VS0-20%1.7350.4711.5353.623
21-40%5.1202.7266.11813.911
41-60%10.6135.11911.41327.18
61-80%6.21810.01319.8936.06
over 80%5.2195.41814.71125.38
total28.8723.5853.65105.92
ZG0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.0.0.0.0.0.0.0.
61-80%1.1380.0.0.4671.533
over 80%1.8300.21002.0263.914
total2.9190.21002.5205.57
ZH0-20%0.3700.0.0.0.0.370
21-40%0.7490.0.0.0.0.749
41-60%2.9250.0.0.21003.124
61-80%10.6120.0.0.210010.812
over 80%33.740.0.1.34035.14
total48.420.0.1.63550.01
Switzerland0-20%10.4141.5386.31818.210
21-40%40.478.71527.8876.95
41-60%92.2421.4971.95185.53
61-80%171.0336.77135.04342.72
over 80%316.0225.09165.83506.81
total629.9193.34406.921130.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #853634/319965
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%1.1390.0.0.0.1.139
61-80%11.2110.0.0.0.11.211
over 80%35.140.0.0.0.35.14
total47.620.0.0.0.47.62
AI0-20%0.21000.0.0.0.0.2100
21-40%0.4710.11000.0.0.558
41-60%0.4710.21000.5571.039
61-80%0.3690.0.0.8421.134
over 80%1.1350.21001.1352.321
total2.3230.5572.3215.09
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.11000.0.0.21000.474
61-80%2.6210.0.0.7443.318
over 80%2.3250.11001.9234.314
total5.0120.11003.0188.16
BE0-20%1.3370.5581.1402.924
21-40%4.8190.21002.0307.016
41-60%12.5112.7269.81325.08
61-80%29.376.21726.2861.74
over 80%46.953.52229.0779.43
total94.8313.11168.14176.01
BL/BS0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.6580.0.0.0.0.658
61-80%4.1200.0.1.2405.317
over 80%11.690.0.2.92514.57
total16.460.0.4.12020.53
FR0-20%0.0.0.0.0.0.0.0.
21-40%0.4700.0.0.21000.657
41-60%2.6260.21002.3275.018
61-80%6.3160.7505.21712.211
over 80%19.070.5575.31724.86
total28.351.33513.01042.72
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.31000.0.0.0.0.3100
61-80%0.21000.0.0.0.0.2100
over 80%2.5180.0.0.0.2.518
total2.9150.0.0.0.2.915
GL0-20%0.5580.21000.21000.944
21-40%1.0400.3690.0.1.334
41-60%2.4260.8441.6324.917
61-80%2.3271.0401.0404.318
over 80%3.1222.0283.5208.711
total9.4124.3186.31420.04
GR0-20%2.0300.4711.6333.921
21-40%13.2112.72613.81129.67
41-60%24.686.61623.5854.75
61-80%28.3810.11324.5862.94
over 80%15.8102.72517.9936.46
total83.9422.5881.24187.51
JU0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%2.4250.0.0.21002.625
61-80%3.9200.3713.3227.614
over 80%14.780.5577.51422.75
total21.560.84311.01033.32
LU0-20%0.21000.0.0.21000.471
21-40%2.0300.0.0.0.2.030
41-60%2.9250.21000.4703.422
61-80%10.9110.0.1.93012.810
over 80%19.370.5574.02023.85
total35.340.7506.51542.52
NE0-20%0.6590.0.0.0.0.659
21-40%0.8490.21000.0.1.044
41-60%3.7210.0.0.21003.920
61-80%9.6110.3711.43311.310
over 80%9.5110.6571.53211.59
total24.241.0403.12228.33
NW0-20%0.0.0.21000.0.0.2100
21-40%0.7540.0.0.0.0.754
41-60%1.0450.0.0.5681.536
61-80%1.5350.21000.5582.226
over 80%1.2400.8511.8303.718
total4.4161.2402.8238.46
OW0-20%0.4710.0.0.21000.558
21-40%1.0410.0.0.4551.433
41-60%3.2220.6501.1404.916
61-80%3.0230.3713.3226.614
over 80%2.4250.7503.2226.414
total10.0111.6318.21219.73
SG0-20%0.8490.0.0.4711.240
21-40%2.0300.21001.2403.423
41-60%4.6200.9454.2209.713
61-80%7.7151.34010.31219.28
over 80%10.6122.32713.81026.76
total25.674.71929.9660.22
SH0-20%0.21000.0.0.0.0.2100
21-40%0.4700.0.0.0.0.470
41-60%0.0.0.0.0.0.0.0.
61-80%2.3260.0.0.4692.724
over 80%8.980.0.0.21009.18
total11.830.0.0.55612.42
SO0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%1.0440.0.0.0.1.044
61-80%5.2170.0.0.21005.417
over 80%23.250.21002.72526.14
total29.430.21002.92432.52
SZ0-20%0.6580.0.0.21000.850
21-40%1.4350.21000.4711.930
41-60%3.0230.11001.1404.319
61-80%5.0180.4723.9209.312
over 80%5.5161.2386.41413.18
total15.491.93012.01029.33
TG0-20%0.4750.0.0.0.0.475
21-40%0.5490.0.0.0.0.549
41-60%1.0360.0.0.11001.133
61-80%4.7170.0.1.4356.115
over 80%10.890.0.0.84211.68
total17.340.0.2.32519.73
TI0-20%0.4710.0.1.4351.732
21-40%2.8251.4354.6198.814
41-60%9.0142.82515.81027.57
61-80%11.8123.02430.3745.15
over 80%9.0141.93043.8554.74
total32.979.01395.93137.91
UR0-20%0.7490.0.0.3711.040
21-40%1.7310.7490.0.2.325
41-60%2.4260.8441.6324.717
61-80%2.8242.0281.9296.714
over 80%2.6250.7491.7305.017
total10.1114.2185.51519.85
VD0-20%1.1410.0.0.5581.633
21-40%5.9170.3711.1407.315
41-60%12.9110.8453.12316.89
61-80%21.081.9305.31728.27
over 80%34.661.9307.01543.65
total75.435.01817.0997.42
VS0-20%1.8310.3711.4353.522
21-40%5.2182.4265.91713.511
41-60%11.3125.71713.31130.47
61-80%9.21410.01321.0840.26
over 80%8.9146.21614.71029.87
total36.4624.7756.34117.42
ZG0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.0.0.0.0.0.0.0.
61-80%1.2320.0.0.3681.529
over 80%1.9260.21001.9254.012
total3.1170.21002.4205.76
ZH0-20%0.3700.0.0.0.0.370
21-40%0.7490.0.0.0.0.749
41-60%2.8240.0.0.21002.924
61-80%10.7110.0.0.210010.911
over 80%33.340.0.1.33734.64
total47.920.0.1.63349.41
Switzerland0-20%11.6121.6347.51520.79
21-40%45.268.61429.7783.54
41-60%105.7422.4979.55207.63
61-80%195.1337.77145.23378.02
over 80%333.9226.68173.83534.31
total691.5196.94435.721224.10
© WSL, Swiss National Forest Inventory, 19.06.2020 #853635/319966
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%1.2390.0.0.0.1.239
61-80%11.7110.0.0.0.11.711
over 80%35.040.0.0.0.35.04
total48.120.0.0.0.48.12
AI0-20%0.21000.0.0.0.0.2100
21-40%0.21000.21000.0.0.472
41-60%0.21000.21000.6571.043
61-80%0.4680.0.0.6571.041
over 80%1.3340.21001.1392.621
total2.3250.6572.2245.19
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.21000.2100
41-60%0.21000.0.0.31000.473
61-80%2.5230.0.0.7493.221
over 80%2.6250.21001.6284.415
total5.3130.21002.7228.16
BE0-20%1.4370.6581.2403.324
21-40%4.8200.21001.8336.817
41-60%12.7122.8279.71425.38
61-80%28.586.11826.0860.65
over 80%46.363.82330.0780.04
total93.8313.51268.74176.01
BL/BS0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.7570.0.0.0.0.757
61-80%4.1210.0.1.1445.218
over 80%11.5100.0.3.02514.57
total16.360.0.4.12120.43
FR0-20%0.0.0.0.0.0.0.0.
21-40%0.5700.0.0.21000.757
41-60%2.6270.21002.4285.219
61-80%6.3170.5575.61812.411
over 80%18.680.3705.31824.26
total28.051.04013.51042.52
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.41000.0.0.0.0.4100
61-80%0.21000.0.0.0.0.2100
over 80%3.1130.0.0.0.3.113
total3.750.0.0.0.3.75
GL0-20%0.6580.21000.21000.944
21-40%0.9430.4690.0.1.335
41-60%1.9310.9441.2404.020
61-80%2.2291.1391.1404.519
over 80%3.4221.7333.7218.911
total9.2134.2196.31519.75
GR0-20%1.8330.4711.6353.823
21-40%13.9122.82713.11229.88
41-60%25.386.91723.9856.05
61-80%27.7810.31324.1862.25
over 80%15.4112.92617.71036.07
total84.1423.3980.44187.81
JU0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%2.5260.0.0.21002.726
61-80%4.3200.4713.3238.014
over 80%14.790.5567.21522.46
total22.160.94310.71133.73
LU0-20%0.21000.0.0.21000.471
21-40%2.3290.0.0.0.2.329
41-60%2.3290.21000.4702.925
61-80%10.1130.0.2.22912.311
over 80%19.570.6574.42024.56
total34.340.8507.21542.42
NE0-20%0.6600.0.0.0.0.660
21-40%0.9490.21000.0.1.144
41-60%3.7220.0.0.21003.821
61-80%9.2120.21001.63311.010
over 80%9.8120.7571.43511.910
total24.251.0443.22228.43
NW0-20%0.0.0.31000.0.0.3100
21-40%0.5680.0.0.0.0.568
41-60%1.2440.0.0.31001.439
61-80%1.3420.31000.4722.031
over 80%1.4400.6581.9313.918
total4.4171.2442.6268.17
OW0-20%0.4710.0.0.21000.658
21-40%1.1410.0.0.4551.533
41-60%3.1230.5581.2404.817
61-80%3.2240.4723.3236.914
over 80%2.0290.8502.8265.616
total9.9111.7338.01319.54
SG0-20%0.9480.0.0.21001.143
21-40%1.8330.21001.2443.225
41-60%4.8200.4713.7238.914
61-80%7.9161.24410.81319.99
over 80%10.3132.72714.21027.26
total25.784.52130.1660.33
SH0-20%0.21000.0.0.0.0.2100
21-40%0.21000.0.0.0.0.2100
41-60%0.0.0.0.0.0.0.0.
61-80%2.2290.0.0.4692.626
over 80%9.380.0.0.0.9.38
total11.940.0.0.46912.33
SO0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.9500.0.0.0.0.950
61-80%5.2180.0.0.21005.418
over 80%23.250.21002.62726.04
total29.330.21002.92632.32
SZ0-20%0.6580.0.0.21000.950
21-40%1.2410.21000.21001.635
41-60%3.0250.21001.0444.220
61-80%4.6200.4714.1219.013
over 80%5.7161.2416.21613.18
total15.191.93111.71128.73
TG0-20%0.4740.0.0.0.0.474
21-40%0.3710.0.0.0.0.371
41-60%1.0380.0.0.11001.135
61-80%4.7180.0.1.5346.215
over 80%11.290.0.0.84511.98
total17.550.0.2.42619.93
TI0-20%0.4710.0.1.6352.032
21-40%2.9261.1414.4208.515
41-60%8.7152.92616.11127.88
61-80%12.2123.12531.0746.36
over 80%8.5151.93144.1554.55
total32.879.21497.03139.02
UR0-20%0.8490.0.0.4711.240
21-40%1.5350.6580.0.2.129
41-60%1.7330.9441.8324.419
61-80%2.4282.0311.9306.315
over 80%2.8260.6581.8325.218
total9.2124.0205.91519.25
VD0-20%1.2410.0.0.6581.833
21-40%6.1180.4711.3407.716
41-60%13.2111.0452.92617.110
61-80%20.892.1304.52027.47
over 80%34.962.0316.91643.85
total76.135.51816.21097.92
VS0-20%1.9330.4711.5353.823
21-40%5.3192.7266.31714.311
41-60%12.3125.61813.21231.27
61-80%8.01510.41320.2938.66
over 80%8.7155.61815.11029.37
total36.2724.7856.44117.32
ZG0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.11000.1100
41-60%0.0.0.0.0.0.0.0.
61-80%1.1380.0.0.4671.533
over 80%1.8300.21002.0263.914
total2.9190.21002.5205.57
ZH0-20%0.3700.0.0.0.0.370
21-40%0.7490.0.0.0.0.749
41-60%2.9250.0.0.21003.124
61-80%10.6120.0.0.210010.812
over 80%33.740.0.1.34035.14
total48.420.0.1.63550.01
Switzerland0-20%12.4131.9348.01622.29
21-40%45.678.91529.2883.75
41-60%106.5422.7979.55208.63
61-80%191.4338.57145.23375.22
over 80%334.8226.68174.93536.31
total690.6198.64436.721226.00
© WSL, Swiss National Forest Inventory, 19.06.2020 #853636/319967
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
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 SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%2.8271.8331.4371.7351.0450.4719.115
21-40%7.6166.4173.8233.7238.4151.63531.58
41-60%23.0916.8108.5158.71516.4114.02277.45
61-80%86.6427.1815.6115.61916.9107.716159.63
over 80%236.1229.1820.494.8198.0156.517304.92
total356.0181.4449.7524.5850.6520.19582.41
inside perimeter0-20%0.0.0.6580.21000.4710.21000.0.1.438
21-40%0.21000.6581.6352.7262.5291.0458.615
41-60%0.21004.4212.4294.7204.6214.52120.710
61-80%1.6357.9164.4219.8147.4164.52135.67
over 80%2.6276.2185.4195.4182.3291.93123.99
total4.72019.81014.01122.9817.01011.91290.24
outside perimeter0-20%0.0.1.4380.8501.5351.0450.8505.519
21-40%0.0.3.4241.2415.7188.0154.32122.69
41-60%1.04515.4116.91710.91317.21014.51166.05
61-80%16.61133.5715.41119.0917.61027.08129.04
over 80%33.8731.5727.2714.5119.91344.55161.43
total51.4685.3451.5551.6553.7591.13384.62
total0-20%2.8273.9232.4283.6232.2301.24116.011
21-40%7.91610.5136.61712.11218.9106.81762.75
41-60%24.1936.7717.81024.2838.2623.09164.03
61-80%104.8468.5535.4734.4641.9639.26324.22
over 80%272.6266.9453.0524.7820.1952.95490.11
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #853637/319968
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%2.9251.8312.7261.8311.6330.75011.512
21-40%9.2148.5146.5165.21811.9124.02145.46
41-60%27.1821.0912.71111.31222.6811.212105.84
61-80%89.3435.0721.199.21425.3814.811194.63
over 80%240.1234.0723.988.91413.71111.012331.62
total368.51100.3366.9436.4675.2441.76689.01
inside perimeter0-20%0.0.0.7500.21000.3710.4710.0.1.633
21-40%0.21000.6581.5332.4262.4281.7318.814
41-60%0.21004.5203.0245.7174.9194.51922.89
61-80%1.8328.3144.51910.0138.5144.71937.87
over 80%2.5276.6166.6166.2162.4272.22826.58
total4.61920.6915.81024.7718.6913.11197.54
outside perimeter0-20%0.0.2.0301.1411.4351.4351.6337.415
21-40%0.0.3.8221.8315.91711.2127.11529.87
41-60%0.94516.9109.31313.31119.0920.3979.64
61-80%16.51034.7718.6921.0820.1934.76145.63
over 80%34.1734.3730.4614.71010.71250.65174.73
total51.4591.7361.0456.3462.44114.32437.12
total0-20%2.9254.6203.9213.5223.4232.32820.69
21-40%9.41412.8119.81313.51125.5812.91184.04
41-60%28.1842.3624.9830.4746.5535.96208.23
61-80%107.5478.0444.1540.2654.0554.35378.02
over 80%276.7274.8460.9429.8726.8863.84532.81
total424.61212.61143.72117.42156.22169.211223.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #853638/319969
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
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 SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%3.2252.1313.0261.9331.4380.85012.313
21-40%8.9158.9155.8185.31912.4124.32145.67
41-60%26.8821.5911.61312.31223.0911.213106.44
61-80%89.5433.3720.298.01525.0815.011191.13
over 80%241.6233.3724.988.71513.21210.613332.32
total370.0199.0465.4536.2775.0441.96687.61
inside perimeter0-20%0.0.0.8500.21000.4710.4710.0.1.833
21-40%0.21000.6581.6352.7262.7281.4389.215
41-60%0.21004.6212.8275.6185.2194.72023.19
61-80%1.6358.5154.62110.4138.6154.92038.67
over 80%2.8266.6176.6175.6182.5272.32926.58
total4.92021.2915.81124.7819.4913.21299.24
outside perimeter0-20%0.0.2.2301.0441.5351.4381.8337.916
21-40%0.0.3.8231.6356.31710.9136.61729.28
41-60%1.04516.7118.71513.21219.01020.8979.55
61-80%16.61134.9719.11020.2919.5935.67145.93
over 80%35.2733.8730.4715.11010.61350.95176.13
total52.8691.4460.8456.4461.54115.83438.62
total0-20%3.2255.1204.2213.8233.2252.62822.09
21-40%9.11513.3129.01414.31126.0812.31284.05
41-60%28.0842.8623.0931.2747.2636.77208.93
61-80%107.7476.8443.8638.6653.1555.55375.62
over 80%279.6273.7461.9429.3726.4863.94534.81
total427.61211.61142.02117.32155.92170.911225.30
© WSL, Swiss National Forest Inventory, 19.06.2020 #853639/319970
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
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 SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%3.0261.8332.0311.7351.0450.85010.314
21-40%8.9158.1164.6215.12010.8132.92640.47
41-60%26.8820.0109.71410.61319.2105.71892.04
61-80%88.9428.9817.6106.21819.7109.314170.73
over 80%240.6230.8821.295.2198.8156.917313.52
total368.2189.7455.2528.8759.5525.68626.91
inside perimeter0-20%0.0.0.6580.21000.4710.21000.0.1.438
21-40%0.21000.6581.6352.7262.5291.4389.015
41-60%0.21004.4212.6285.1195.0204.52121.79
61-80%1.6358.3154.62110.0137.6164.72036.87
over 80%2.6276.4175.8185.4182.5272.13024.99
total4.72020.4914.81123.5817.81012.71293.84
outside perimeter0-20%0.0.1.6351.0441.5351.2411.0456.318
21-40%0.0.3.6231.4386.11810.5136.21727.88
41-60%1.04516.5117.91611.41318.61016.51071.95
61-80%16.61134.9717.51019.8918.41028.78135.94
over 80%34.8732.5728.2714.71110.61345.95166.73
total52.4689.1455.9553.6559.3598.33408.72
total0-20%3.0264.1223.2243.6232.4291.83318.010
21-40%9.11512.3127.61613.91123.8910.51377.25
41-60%28.0840.9620.2927.1842.8626.78185.73
61-80%107.1472.1439.6636.0645.7642.76343.32
over 80%278.1269.8455.2425.3821.9954.95505.11
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853640/319971
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
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 SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%2.7261.7331.8311.5351.3380.7509.514
21-40%9.2147.8155.1185.01910.3132.62640.17
41-60%26.9819.3910.7129.81318.796.01791.34
61-80%88.7430.5718.497.41520.099.613174.53
over 80%239.0231.3720.585.3178.8147.116312.12
total366.6190.5456.5529.0759.1526.08627.61
inside perimeter0-20%0.0.0.6580.21000.3710.21000.0.1.338
21-40%0.21000.6581.5332.4262.2291.7318.614
41-60%0.21004.3202.8255.2184.8194.32021.69
61-80%1.8328.1154.5199.7137.6154.51936.27
over 80%2.3276.4165.9176.0162.4272.02925.18
total4.52019.9914.91023.7817.11012.61192.74
outside perimeter0-20%0.0.1.5351.1411.4351.2380.9456.017
21-40%0.0.3.6221.6335.71710.7126.61628.28
41-60%0.94516.7108.61411.71218.4915.91072.25
61-80%16.51034.7717.11020.7819.1928.67136.73
over 80%33.8732.8728.2714.41010.51245.45165.03
total51.1589.3356.5453.8459.9497.43408.12
total0-20%2.7263.7223.0243.2232.7261.63316.810
21-40%9.41411.9128.21413.11123.2811.01276.95
41-60%27.9840.3622.1826.7741.9626.27185.13
61-80%107.0473.3440.0637.7646.7542.76347.42
over 80%275.1270.4454.6425.7721.7854.64502.21
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853641/319972
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.2410.0.0.0.1.241
21-40%4.9200.21000.0.5.119
41-60%13.3120.21000.47113.911
61-80%33.171.6359.81444.56
over 80%60.742.62716.61079.93
total113.324.62026.88144.81
Eastern Jura0-20%0.31000.0.0.0.0.3100
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.0.1.145
61-80%10.6120.0.1.53712.112
over 80%29.450.0.2.72732.15
total41.630.0.4.12245.72
Western Plateau0-20%0.4710.0.0.0.0.471
21-40%0.8500.0.0.0.0.850
41-60%2.8270.0.0.21003.026
61-80%8.4140.0.1.73510.113
over 80%29.660.0.3.12532.75
total42.030.0.5.01947.02
Central Plateau0-20%0.0.0.0.0.0.0.0.
21-40%0.5580.0.0.0.0.558
41-60%1.2370.0.0.21001.435
61-80%11.5120.0.1.24112.711
over 80%46.240.0.8.11554.33
total59.530.0.9.41369.01
Eastern Plateau0-20%0.9440.0.0.0.0.944
21-40%1.1410.0.0.0.1.141
41-60%4.4200.0.0.21004.620
61-80%23.380.0.2.42925.68
over 80%70.630.0.2.92673.53
total100.220.0.5.519105.61
Western Pre-Alps0-20%0.0.0.0.0.21000.2100
21-40%1.2450.0.1.3412.530
41-60%3.8230.6583.8238.115
61-80%4.2212.3308.01514.510
over 80%6.4171.4357.11514.99
total15.6104.32120.4840.33
Central Pre-Alps0-20%0.6580.21000.4711.140
21-40%2.6260.0.0.8503.423
41-60%9.1141.5355.31915.810
61-80%16.9101.93117.81036.56
over 80%18.7102.03317.41038.26
total47.955.61841.6595.12
Eastern Pre-Alps0-20%0.8490.0.0.21001.144
21-40%1.2410.21000.7572.132
41-60%4.5210.4713.1268.016
61-80%11.7120.4719.11421.28
over 80%14.7111.73319.1935.45
total32.962.72632.1667.73
Northwestern Alps0-20%1.2400.4700.8502.528
21-40%2.7270.6581.4374.820
41-60%3.9222.3306.51712.712
61-80%5.8183.8227.81517.49
over 80%4.0222.9266.91613.811
total17.61010.01323.5851.13
Central Alps0-20%0.6570.0.0.21000.850
21-40%1.6350.8500.0.2.328
41-60%2.1290.9441.0444.020
61-80%2.1302.1292.4286.615
over 80%3.1231.0443.2237.213
total9.5124.8186.71520.95
Northeastern Alps0-20%0.0.0.21000.4700.557
21-40%0.9450.6560.6592.129
41-60%2.0320.9442.8255.717
61-80%1.8331.8333.9217.515
over 80%2.9252.9265.01810.811
total7.6156.41612.71026.65
Southwestern Alps0-20%1.7350.4711.5353.623
21-40%3.7232.7265.71812.112
41-60%8.7154.72010.91324.28
61-80%5.6199.81419.0934.46
over 80%4.8195.41814.51124.78
total24.5822.9851.6599.02
Southeastern Alps0-20%1.0450.21001.0452.230
21-40%8.4152.5298.01518.910
41-60%16.4114.62117.21038.26
61-80%16.9107.41617.61041.96
over 80%8.0152.3299.91320.19
total50.6517.01053.75121.32
Southern Alps0-20%0.4710.0.0.8501.241
21-40%1.6351.0454.3216.817
41-60%4.0224.52114.51123.09
61-80%7.7164.52127.0839.26
over 80%6.5171.93144.5552.95
total20.1911.91291.13123.12
Switzerland0-20%9.1151.4385.51916.011
21-40%31.488.51522.9962.75
41-60%77.1520.61066.15163.83
61-80%159.8335.67128.94324.32
over 80%305.6224.09160.83490.51
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853642/319973
NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.5370.0.0.0.1.537
21-40%6.2180.21000.0.6.417
41-60%15.8110.21000.47116.410
61-80%34.171.6359.81445.56
over 80%61.142.62717.41081.13
total118.624.62027.67150.81
Eastern Jura0-20%0.31000.0.0.0.0.3100
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.0.1.145
61-80%10.8120.0.1.53712.311
over 80%29.950.0.2.72732.65
total42.230.0.4.12246.42
Western Plateau0-20%0.4710.0.0.0.0.471
21-40%0.8500.0.0.0.0.850
41-60%3.6230.0.0.21003.823
61-80%8.8140.0.1.73510.513
over 80%31.050.0.3.32434.35
total44.730.0.5.21949.92
Central Plateau0-20%0.0.0.0.0.0.0.0.
21-40%0.5580.0.0.0.0.558
41-60%1.2370.0.0.21001.435
61-80%11.7120.0.1.24112.811
over 80%47.040.0.8.11555.13
total60.520.0.9.41369.91
Eastern Plateau0-20%0.9440.0.0.0.0.944
21-40%1.1410.0.0.0.1.141
41-60%4.9190.0.0.21005.118
61-80%23.880.0.2.42926.28
over 80%72.130.0.2.92675.03
total102.810.0.5.519108.21
Western Pre-Alps0-20%0.0.0.0.0.21000.2100
21-40%1.2450.0.1.5382.729
41-60%4.6210.6584.0229.314
61-80%4.6202.5298.21415.210
over 80%6.6161.4357.31515.39
total17.194.52021.2842.73
Central Pre-Alps0-20%0.6580.21000.6581.337
21-40%3.8220.0.0.8504.620
41-60%10.2131.5355.71817.410
61-80%17.5101.93118.61038.06
over 80%19.392.03317.91039.26
total51.455.61843.45100.52
Eastern Pre-Alps0-20%1.1440.0.0.21001.340
21-40%1.2410.21000.7572.132
41-60%4.7200.4713.7248.815
61-80%12.3120.47110.31323.08
over 80%15.1101.73319.4836.25
total34.462.72634.3671.42
Northwestern Alps0-20%1.2400.4700.8502.528
21-40%3.1250.6581.4375.219
41-60%5.1192.3306.91614.411
61-80%6.6174.0228.21518.89
over 80%4.8203.0257.31515.110
total20.8910.31324.8755.93
Central Alps0-20%0.8500.0.0.4711.240
21-40%1.9310.8500.0.2.726
41-60%2.3270.9441.2404.419
61-80%3.0252.3282.8268.114
over 80%3.3221.3373.3238.012
total11.3115.4177.61424.34
Northeastern Alps0-20%0.21000.21000.4700.749
21-40%1.3370.6560.8512.726
41-60%2.7261.1413.0246.815
61-80%2.4291.8334.3208.514
over 80%3.1252.9265.41711.411
total9.7136.61613.81030.04
Southwestern Alps0-20%1.7350.4711.5353.623
21-40%5.1202.7266.11813.911
41-60%10.6135.11911.41327.18
61-80%6.21810.01319.8936.06
over 80%5.2195.41814.71125.38
total28.8723.5853.65105.92
Southeastern Alps0-20%1.0450.21001.2412.429
21-40%10.8132.52910.51323.89
41-60%19.2105.02018.61042.86
61-80%19.7107.61618.41045.76
over 80%8.8152.52710.61321.99
total59.5517.81059.35136.62
Southern Alps0-20%0.8500.0.1.0451.833
21-40%2.9261.4386.21710.513
41-60%5.7184.52116.51026.78
61-80%9.3144.72028.7842.76
over 80%6.9172.13045.9554.95
total25.6812.71298.33136.62
Switzerland0-20%10.4141.4386.31818.010
21-40%40.278.91528.0877.15
41-60%91.8421.5972.15185.43
61-80%170.8336.97135.74343.42
over 80%314.2225.09166.13505.31
total627.4193.64408.221129.21
© WSL, Swiss National Forest Inventory, 19.06.2020 #853643/319974
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