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NFI1
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/an/a3.90.47.51.311.01.910.32.64.51.36.92.45.50.4
critical5.40.56.21.27.21.67.72.36.31.56.22.35.90.4
less stable43.61.250.62.442.03.034.64.144.03.042.74.644.10.9
stable47.11.235.72.339.93.047.44.345.23.044.24.644.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a10.36.90.0.2.72.711.55.40.0.2.02.04.61.6
critical4.94.89.76.513.55.68.24.518.89.81.91.98.32.1
less stable39.610.966.810.367.67.718.96.362.312.258.97.151.83.7
stable45.211.123.59.316.26.161.48.018.99.937.16.935.43.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.31.25.51.05.91.44.01.14.61.13.20.84.60.4
critical4.01.26.91.17.21.57.11.48.61.53.10.86.10.5
less stable36.02.952.02.251.92.839.42.647.52.748.62.346.81.0
stable55.73.035.72.134.92.749.52.739.32.645.12.342.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.00.46.30.87.91.16.21.14.40.83.80.75.10.3
critical5.20.56.60.87.61.17.31.17.81.13.50.76.00.3
less stable42.61.151.71.648.52.036.72.146.42.048.42.045.40.7
stable48.21.135.41.535.91.949.82.241.32.044.31.943.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852348/318679
NFI1
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/an/a3.70.37.70.911.31.411.81.94.70.96.21.65.50.3
critical4.30.36.30.87.41.19.91.77.81.14.41.45.50.3
less stable43.70.848.51.743.22.230.42.743.12.142.93.343.60.6
stable48.30.837.41.738.22.147.82.944.52.146.53.345.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a5.63.80.0.3.02.19.63.72.42.34.12.04.31.1
critical2.62.614.25.415.04.46.53.110.04.75.12.28.71.5
less stable38.18.062.87.458.26.023.05.272.87.060.25.052.52.7
stable53.68.223.06.423.85.260.96.114.95.630.64.734.42.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.30.95.10.77.21.04.90.84.30.82.70.54.60.3
critical3.50.87.90.87.61.16.41.09.11.13.60.66.40.4
less stable39.52.254.61.552.82.037.81.948.11.950.31.648.30.7
stable52.72.232.41.532.41.950.82.038.51.943.31.640.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.80.36.10.58.70.87.20.84.40.63.40.55.10.2
critical4.20.37.30.67.90.87.40.88.50.83.90.55.90.2
less stable43.10.852.11.149.01.434.81.546.81.449.81.445.80.5
stable48.80.834.41.134.41.450.61.640.31.442.91.443.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852349/318680
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/an/a0.40.11.60.64.11.11.91.11.20.60.0.1.00.2
critical3.40.410.01.310.91.710.72.48.91.67.42.16.00.4
less stable38.21.146.52.245.12.839.13.847.42.735.44.040.80.8
stable58.01.141.92.239.92.748.33.942.52.757.24.152.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.2.42.42.72.60.0.1.91.91.50.9
critical0.0.10.96.021.76.47.64.211.17.410.64.111.12.2
less stable48.010.458.39.751.77.844.97.935.511.052.96.849.73.5
stable52.010.430.89.124.26.744.87.953.411.534.66.437.73.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.1.20.53.61.01.80.72.20.70.50.31.50.2
critical2.91.08.71.210.21.69.31.412.21.66.31.08.40.5
less stable42.82.852.02.152.32.647.42.549.22.444.32.148.21.0
stable54.32.938.12.034.02.541.52.436.42.448.82.141.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
critical3.30.49.30.911.11.29.61.210.81.16.90.97.20.3
less stable38.91.049.61.549.11.845.02.048.11.843.21.844.20.6
stable57.51.039.71.536.01.843.62.039.41.849.41.847.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852350/318681
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/an/a0.40.21.80.74.41.32.61.50.80.50.0.1.00.2
critical3.50.410.91.611.32.012.02.97.31.66.92.56.00.4
less stable38.31.146.52.545.63.237.54.447.13.135.74.840.70.9
stable57.91.240.82.538.63.147.94.544.83.157.54.952.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.3.13.13.23.10.0.2.22.21.91.1
critical0.0.4.34.223.27.28.74.86.86.512.24.710.82.3
less stable50.211.257.110.856.48.545.48.532.512.154.37.251.03.8
stable49.811.238.610.717.26.442.88.460.712.731.36.736.43.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.1.40.52.70.91.50.72.70.90.60.41.50.3
critical3.01.08.51.29.91.78.91.511.51.77.01.28.20.6
less stable42.83.051.62.253.52.949.32.749.72.744.42.348.61.1
stable54.23.038.52.233.92.740.32.636.12.647.92.341.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
critical3.40.49.51.011.31.39.71.39.61.27.41.17.10.3
less stable39.01.149.51.750.32.146.12.248.22.043.82.044.40.7
stable57.31.139.51.635.02.042.42.240.32.048.22.047.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852351/318682
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/an/a0.40.11.60.64.01.22.21.31.00.60.0.1.00.2
critical3.50.410.31.411.31.910.32.58.31.68.42.46.10.4
less stable37.71.146.62.445.23.039.14.146.92.934.24.240.40.9
stable58.41.141.52.439.52.948.54.243.92.957.44.452.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.2.72.72.92.90.0.2.12.11.71.0
critical0.0.4.34.222.76.78.04.46.36.111.54.410.62.3
less stable50.211.257.110.854.47.944.48.130.411.553.17.049.83.7
stable49.811.238.610.720.16.444.78.163.212.133.36.637.83.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.1.40.52.90.91.70.72.50.80.60.31.50.2
critical2.91.08.41.210.21.78.71.511.61.76.91.18.20.6
less stable42.83.051.72.252.82.848.72.648.72.644.32.248.31.0
stable54.33.038.62.134.12.740.92.637.22.548.32.242.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
critical3.40.49.20.911.51.39.01.210.01.17.51.07.10.3
less stable38.51.149.51.649.62.045.82.147.51.943.01.944.00.7
stable57.81.139.91.635.61.943.22.140.71.948.81.947.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852352/318683
NFI1
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.10.76.21.73.61.43.21.03.30.810.93.74.51.36.92.111.83.513.04.97.34.17.42.43.61.25.02.24.70.4
critical3.20.74.01.45.41.68.71.66.41.18.03.46.31.65.81.96.82.710.74.57.34.17.72.56.31.56.12.45.90.4
less stable38.52.041.93.636.43.453.12.948.22.242.65.755.13.244.33.944.85.349.87.034.37.837.44.444.33.144.04.944.50.9
stable55.22.047.93.654.53.535.02.742.12.238.55.834.13.143.03.936.65.226.56.451.08.247.54.545.73.144.94.944.90.9
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.
inside perimetern/a11.87.80.0...0.0...0.0.0.0.0.0.0.0.0.0.8.07.69.35.10.0.2.02.04.41.6
critical5.45.30.0...0.0...0.0.0.0.0.0.13.58.76.76.515.88.48.74.820.110.42.01.97.92.0
less stable32.811.0100.0...100.0...100.0.70.424.069.726.060.312.485.79.547.412.020.16.759.612.858.17.250.83.8
stable50.011.80.0...0.0...0.0.29.624.030.326.026.211.27.67.328.911.761.98.220.310.537.97.036.93.7
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.
outside perimetern/a5.51.97.75.30.0.2.12.03.53.56.02.35.01.45.51.84.91.82.42.47.53.03.81.03.51.02.50.74.10.4
critical2.81.43.93.80.0.8.34.06.54.512.43.13.71.24.61.66.12.04.22.913.23.87.31.48.81.53.20.86.00.5
less stable32.23.939.79.825.89.145.37.245.49.046.14.657.53.349.83.850.64.164.77.248.85.439.82.648.52.748.52.347.11.1
stable59.54.148.79.974.29.144.37.244.69.035.64.433.93.240.13.838.54.028.66.830.55.249.22.739.22.645.82.342.81.0
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.
totaln/a3.70.76.31.63.31.23.00.93.30.87.92.04.71.06.11.36.91.66.92.57.52.35.01.03.50.72.90.74.40.3
critical3.20.64.01.34.81.48.61.56.41.010.62.34.91.05.21.26.81.67.52.511.82.77.51.28.01.13.60.76.00.3
less stable37.21.842.03.435.33.252.22.748.02.245.03.656.42.347.32.749.23.260.74.744.54.337.82.247.12.048.52.045.80.7
stable55.91.847.73.456.63.336.12.642.32.136.53.534.02.241.52.737.03.124.94.236.24.249.62.241.42.045.12.043.80.7
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852353/318684
NFI1
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.10.55.01.14.51.03.60.83.70.612.02.66.21.19.61.68.62.114.33.714.03.611.81.94.70.96.21.65.50.3
critical2.40.43.91.04.81.07.31.14.80.79.22.45.21.04.91.27.31.912.93.510.73.29.91.77.81.14.41.45.50.3
less stable37.11.445.82.533.32.353.02.049.51.539.13.952.32.244.22.744.73.647.05.134.64.930.42.743.12.142.93.343.50.6
stable57.41.445.32.557.42.436.12.042.11.539.84.036.32.141.22.739.43.625.74.640.75.147.82.944.52.146.53.345.50.6
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.
inside perimetern/a7.04.70.0.0.0.0.0...0.0.0.0.14.413.30.0.0.0.4.44.39.63.72.42.34.12.04.41.1
critical3.23.10.0.0.0.0.0...0.0.16.210.40.0.16.07.311.75.522.58.16.53.110.04.75.12.28.71.5
less stable36.78.827.022.70.0.100.0...47.925.160.213.757.918.765.19.472.37.938.49.223.05.272.87.060.25.052.42.7
stable53.29.173.022.7100.0.0.0...52.125.123.611.927.716.818.97.616.06.634.79.360.96.114.95.630.64.734.62.5
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.
outside perimetern/a4.51.34.53.16.23.53.91.91.81.86.11.54.61.06.71.35.11.26.32.48.82.34.90.84.30.82.70.54.60.3
critical2.71.04.53.10.0.6.92.53.52.410.91.96.31.16.31.37.41.56.82.510.32.46.41.09.11.13.60.66.30.4
less stable35.52.938.47.327.56.553.55.043.96.650.93.157.92.353.42.653.32.866.44.743.73.937.81.948.11.950.31.648.30.7
stable57.43.052.67.566.36.935.74.850.86.632.12.831.12.233.62.534.22.720.54.037.13.850.82.038.51.943.31.640.70.7
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/a3.40.54.91.04.71.03.60.73.60.68.21.35.40.78.21.06.11.08.71.910.11.87.20.84.40.63.40.55.10.2
critical2.50.43.90.94.30.97.21.04.70.610.21.55.90.75.60.97.81.210.12.011.61.97.40.88.50.83.90.55.90.2
less stable36.81.244.92.332.62.253.21.949.21.546.62.455.11.649.11.950.82.259.33.240.22.934.81.546.81.449.81.445.80.5
stable57.31.346.32.358.42.335.91.842.51.535.12.333.71.537.21.835.22.122.02.838.12.950.61.640.31.442.91.443.20.5
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852354/318685
NFI1
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.30.76.81.85.01.53.51.03.40.812.03.84.81.410.22.411.63.315.65.08.94.310.32.64.51.36.92.45.50.4
critical3.20.74.01.45.71.68.51.66.21.07.93.46.01.55.51.86.12.411.64.48.84.27.72.36.31.56.22.35.90.4
less stable37.92.041.63.635.83.352.92.847.92.242.15.755.13.242.53.842.75.048.96.731.27.334.64.144.03.042.74.643.80.9
stable55.72.047.63.653.63.535.12.742.42.238.05.734.13.041.83.839.75.023.95.951.27.847.44.345.23.044.24.644.80.9
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 perimetern/a11.87.80.0...0.0...0.0.0.0.0.0.0.0.0.0.7.57.211.55.40.0.2.02.04.81.6
critical5.45.30.0...0.0...0.0.0.0.0.0.13.58.75.95.820.39.28.24.518.89.81.91.98.12.0
less stable32.811.0100.0...100.0...100.0.70.424.069.726.060.312.487.48.444.811.518.96.362.312.258.97.151.13.7
stable50.011.80.0...0.0...0.0.29.624.030.326.026.211.26.76.527.311.261.48.018.99.937.16.936.13.6
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.
outside perimetern/a5.41.97.75.30.0.2.02.03.53.58.32.64.81.35.31.74.61.72.32.39.73.34.01.14.61.13.20.84.60.4
critical2.81.43.93.80.0.8.23.96.54.511.93.04.81.34.51.65.81.96.03.412.73.67.11.48.61.53.10.86.00.5
less stable31.83.839.79.824.98.846.47.145.49.044.54.657.23.250.63.851.04.064.86.948.35.439.42.647.52.748.62.346.91.0
stable60.04.148.79.975.18.843.47.144.69.035.24.333.33.139.53.738.53.926.96.529.45.049.52.739.32.645.12.342.51.0
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.
totaln/a3.90.76.91.74.41.43.30.93.40.89.72.14.70.97.71.56.91.68.12.59.22.56.21.14.40.83.80.75.10.3
critical3.10.64.01.35.11.48.51.56.31.010.42.25.41.05.01.26.41.58.52.612.52.77.31.17.81.13.50.76.00.3
less stable36.61.741.73.434.63.152.22.647.82.143.83.656.22.346.82.748.53.160.64.542.84.136.72.146.42.048.42.045.30.7
stable56.41.847.43.455.93.336.12.542.52.136.13.433.72.140.62.638.23.022.83.935.64.149.82.241.32.044.31.943.60.7
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852355/318686
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.30.0.0.0.1.00.60.40.30.0.1.50.74.81.62.91.65.43.00.0.2.21.31.00.60.0.1.00.2
critical1.60.51.71.03.11.16.81.44.30.910.43.49.41.86.81.913.23.424.45.711.84.610.32.58.31.68.42.46.10.4
less stable32.51.930.33.346.63.447.42.837.02.153.45.646.53.247.13.941.34.937.56.248.47.239.14.146.92.934.24.240.40.9
stable65.51.968.13.450.33.444.72.858.22.136.15.542.73.141.33.842.64.932.86.139.87.148.54.243.92.957.44.452.50.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.6.15.90.0.2.92.90.0.2.12.11.81.0
critical0.0.0.0...0.0...0.0.22.720.330.326.00.0.26.410.217.89.48.04.46.36.111.54.410.62.3
less stable49.611.80.0...100.0...0.0.47.825.169.726.062.812.246.111.757.311.944.48.130.411.553.17.049.53.7
stable50.411.8100.0...0.0...100.0.29.624.00.0.37.212.221.49.624.910.844.78.163.212.133.36.638.13.6
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.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.1.11.11.20.70.60.62.01.14.33.06.52.51.70.72.50.80.60.31.50.2
critical2.71.30.0.0.0.6.33.53.02.910.32.87.61.77.52.08.42.220.15.89.93.18.71.511.61.76.91.18.20.6
less stable44.84.140.59.839.69.837.57.045.49.047.44.553.13.351.73.751.74.052.77.255.25.448.72.648.72.644.32.248.21.0
stable52.54.159.59.860.49.856.27.251.69.041.24.538.13.240.23.638.03.923.06.028.44.940.92.637.22.548.32.242.11.0
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.
totaln/a0.30.20.0.0.0.0.80.50.40.30.70.61.30.52.60.82.20.95.02.03.71.51.90.61.80.50.60.31.20.1
critical1.80.51.50.92.81.06.71.34.30.910.32.18.61.37.31.49.71.823.03.811.42.69.01.210.01.17.51.07.10.3
less stable35.21.731.23.245.93.246.32.637.52.049.63.549.72.349.72.748.53.044.74.453.24.145.82.147.51.943.01.943.90.7
stable62.71.767.33.251.33.246.12.657.82.039.43.540.42.240.42.639.73.027.34.031.73.843.22.140.71.948.81.947.70.7
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852356/318687
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.30.0.0.0.1.00.60.40.30.0.1.60.85.01.73.41.96.43.60.0.2.61.50.80.50.0.1.00.2
critical1.50.51.71.02.81.17.01.44.30.910.33.59.71.97.12.015.64.024.76.212.65.412.02.97.31.66.92.56.00.4
less stable33.32.030.33.447.53.547.62.937.62.153.25.947.03.348.53.939.85.340.26.841.68.137.54.447.13.135.74.840.70.9
stable64.82.068.03.449.73.544.52.857.72.136.45.741.73.239.43.841.25.328.76.345.88.147.94.544.83.157.54.952.30.9
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 perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.7.87.50.0.3.23.10.0.2.22.21.91.1
critical0.0.0.0...0.0...0.0.22.720.330.326.00.0.26.911.518.89.98.74.86.86.512.24.710.82.3
less stable49.611.80.0...100.0...0.0.47.825.169.726.062.812.251.613.454.912.245.48.532.512.154.37.250.63.8
stable50.411.8100.0...0.0...100.0.29.624.00.0.37.212.213.79.126.311.342.88.460.712.731.36.736.73.7
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.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.1.11.11.20.70.0.2.11.24.63.27.02.71.50.72.70.90.60.41.40.3
critical2.81.40.0.0.0.6.33.53.02.910.72.97.41.77.42.08.82.421.96.28.02.98.91.511.51.77.01.28.20.6
less stable45.34.140.59.837.39.937.57.045.49.048.64.652.53.452.63.851.14.150.67.556.85.649.32.749.72.744.42.348.51.1
stable51.84.259.59.862.79.956.27.251.69.039.54.538.83.339.93.838.14.022.96.328.35.140.32.636.12.647.92.341.81.0
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.
totaln/a0.30.20.0.0.0.0.90.50.40.30.70.71.40.52.40.82.41.05.82.34.11.61.90.61.80.50.70.31.20.2
critical1.80.51.50.92.51.06.81.34.20.910.52.28.71.37.51.410.62.023.84.110.62.79.71.39.61.27.41.17.10.3
less stable36.01.831.23.246.43.346.42.638.02.150.23.649.72.350.82.747.93.246.04.752.24.446.12.248.22.043.82.044.30.7
stable61.91.867.33.251.13.345.92.657.32.138.53.640.22.339.32.739.13.124.34.133.04.142.42.240.32.048.22.047.40.7
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852357/318688
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.30.20.0.0.0.0.90.50.40.30.0.1.70.74.21.42.71.55.92.91.61.61.91.11.20.60.0.1.00.2
critical1.50.51.50.93.11.17.11.34.00.88.92.99.21.76.81.813.23.321.44.912.54.510.72.48.91.67.42.16.00.4
less stable33.21.832.03.247.53.247.22.737.02.052.35.146.92.947.83.640.54.738.05.745.26.739.13.847.42.735.44.040.80.8
stable65.01.866.53.349.43.244.82.658.62.038.85.142.32.941.23.543.64.834.75.640.76.648.33.942.52.757.24.152.20.8
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.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.5.65.40.0.2.72.60.0.1.91.91.60.9
critical0.0.0.0...0.0...50.035.528.016.922.520.20.0.24.79.718.09.57.64.211.17.410.64.111.12.2
less stable49.511.20.0...53.435.2..0.0.56.518.852.825.164.511.743.611.457.211.944.97.935.511.052.96.849.23.5
stable50.511.2100.0...46.635.2..50.035.515.514.224.721.535.511.726.110.124.810.844.87.953.411.534.66.438.13.4
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.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.90.91.10.61.50.81.71.03.62.58.02.71.80.72.20.70.50.31.50.2
critical2.51.20.0.0.0.7.73.72.82.710.62.67.91.76.91.88.52.123.55.58.62.79.31.412.21.66.31.08.40.5
less stable44.93.941.29.542.29.036.06.644.18.648.94.254.23.152.03.450.03.849.86.654.95.047.42.549.22.444.32.148.11.0
stable52.73.958.89.557.89.056.46.853.18.639.74.136.83.039.73.439.73.723.15.528.54.641.52.436.42.448.82.142.01.0
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.
totaln/a0.30.20.0.0.0.0.70.40.40.30.50.51.40.52.80.82.00.85.01.85.11.71.90.61.70.50.50.31.20.1
critical1.60.41.40.82.81.07.21.33.90.810.21.98.81.27.01.39.81.722.63.410.82.49.61.210.81.16.90.97.10.3
less stable35.71.632.83.046.93.045.82.537.41.949.93.350.42.150.02.547.42.943.34.052.03.945.02.048.11.843.21.844.10.6
stable62.41.665.83.150.33.046.32.458.31.939.43.239.42.140.22.440.92.929.13.732.13.643.62.039.41.849.41.847.50.6
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 #852358/318689
NFI1
forest area
rockfall SilvaProtect · stand stability
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
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/an/a3.80.73.30.66.21.16.81.15.02.24.60.4
critical3.50.76.90.86.21.17.11.16.12.45.90.4
less stable39.51.747.41.649.82.342.62.144.04.944.70.9
stable53.21.842.41.537.82.243.52.144.94.944.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a11.17.40.0.0.0.4.22.12.02.04.11.5
critical5.14.90.0.0.0.12.43.32.01.98.02.0
less stable36.611.0100.0.74.515.547.85.158.17.251.13.8
stable47.311.40.0.25.515.535.64.937.97.036.83.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a5.81.82.01.45.31.04.10.62.50.74.10.4
critical3.01.35.92.35.91.08.00.93.20.86.00.5
less stable33.33.640.64.852.12.246.41.648.52.346.91.1
stable57.93.851.54.936.72.141.51.645.82.343.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.30.73.20.55.70.75.00.52.90.74.40.3
critical3.40.66.80.76.00.78.00.73.60.76.00.3
less stable38.41.646.91.551.21.645.21.248.52.045.80.7
stable53.91.643.21.537.11.541.91.245.12.043.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852359/318690
NFI1
forest area
rockfall SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/an/a4.10.73.70.67.51.28.21.16.92.45.40.4
critical3.40.66.90.86.01.17.21.16.22.35.90.4
less stable39.01.747.01.549.12.341.12.042.74.644.00.9
stable53.51.842.41.537.32.243.52.044.24.644.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a11.17.40.0.0.0.5.02.22.02.04.51.6
critical5.14.90.0.0.0.12.63.31.91.98.22.0
less stable36.611.0100.0.74.515.547.94.958.97.151.33.7
stable47.311.40.0.25.515.534.54.737.16.935.93.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a5.81.81.91.45.71.04.70.73.20.84.60.4
critical2.91.35.82.36.31.07.90.93.10.86.00.5
less stable32.93.640.84.852.02.246.01.648.62.346.81.0
stable58.43.851.54.936.12.141.51.645.12.342.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.60.73.50.56.50.85.90.63.80.75.10.3
critical3.30.66.80.76.10.77.90.73.50.76.00.3
less stable37.91.546.51.550.81.644.41.248.42.045.40.7
stable54.21.643.21.536.61.541.81.244.31.943.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852360/318691
NFI1
forest area
rockfall SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/an/a3.50.53.80.48.20.98.40.86.21.65.50.3
critical2.80.45.50.55.70.78.80.84.41.45.40.3
less stable39.31.247.21.147.71.640.01.442.93.343.60.6
stable54.41.243.51.138.41.542.81.446.53.345.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a6.14.20.0.4.14.04.21.54.12.04.31.1
critical2.82.80.0.8.65.811.52.35.12.28.61.5
less stable35.58.267.327.057.910.150.63.660.25.052.52.7
stable55.68.532.727.029.49.333.73.430.64.734.62.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.51.23.91.45.60.75.10.52.70.54.60.3
critical2.91.04.31.47.40.87.80.63.60.66.30.4
less stable35.92.744.73.554.61.546.01.150.31.648.20.7
stable56.72.847.03.532.31.441.11.143.31.640.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.70.43.80.46.80.56.30.43.40.55.10.2
critical2.80.45.40.56.60.58.40.53.90.55.90.2
less stable38.71.147.01.051.41.144.00.949.81.445.80.5
stable54.71.143.81.035.21.041.30.942.91.443.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852361/318692
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/an/a0.30.20.50.22.50.72.00.60.0.1.10.2
critical1.60.54.80.79.01.311.61.46.92.56.00.4
less stable32.51.742.61.548.32.342.72.135.74.840.70.9
stable65.71.752.01.540.22.343.62.157.54.952.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.2.11.52.22.21.81.0
critical0.0.0.0.23.614.811.53.312.24.711.02.4
less stable47.011.5100.0.52.817.749.25.154.37.250.93.8
stable53.011.50.0.23.614.837.24.931.36.736.43.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.80.42.60.50.60.41.50.3
critical2.41.23.91.97.91.210.41.07.01.28.20.6
less stable44.63.839.74.852.02.250.41.644.42.348.61.1
stable53.03.856.54.939.22.136.61.547.92.341.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.20.50.21.60.42.40.40.70.31.20.2
critical1.70.44.70.68.60.910.90.87.41.17.10.3
less stable34.91.542.41.550.21.647.71.243.82.044.30.7
stable63.21.652.41.539.61.639.01.248.22.047.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852362/318693
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/an/a0.30.20.50.22.40.71.90.50.0.1.00.2
critical1.60.54.90.78.81.311.21.28.42.46.10.4
less stable31.91.742.11.547.62.243.51.934.24.240.40.9
stable66.21.752.61.541.22.243.51.957.44.452.50.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.1.91.32.12.11.71.0
critical0.0.0.0.23.614.811.53.111.54.410.82.3
less stable47.011.5100.0.52.817.747.74.853.17.049.73.7
stable53.011.50.0.23.614.838.84.733.36.637.83.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.1.00.42.60.50.60.31.50.2
critical2.31.23.81.98.01.210.41.06.91.18.20.6
less stable44.23.840.24.851.72.149.91.644.32.248.31.0
stable53.53.855.94.939.42.137.11.548.32.242.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.20.40.21.60.42.30.40.60.31.20.1
critical1.70.44.80.68.50.910.70.77.51.07.10.3
less stable34.31.542.01.449.71.547.41.243.01.943.90.7
stable63.71.552.81.440.21.539.61.248.81.947.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852363/318694
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/an/a0.20.20.40.22.20.62.10.50.0.1.00.2
critical1.50.44.80.68.51.111.41.27.42.16.00.4
less stable32.81.642.21.447.82.143.41.835.44.040.70.8
stable65.51.652.61.441.52.043.11.857.24.152.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.1.81.21.91.91.50.9
critical0.0.0.0.28.712.311.73.010.64.111.22.2
less stable46.910.953.235.249.513.948.34.752.96.849.53.5
stable53.110.946.835.221.811.338.34.634.66.437.83.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.1.20.42.50.50.50.31.50.2
critical2.11.14.31.98.01.111.00.96.31.08.40.5
less stable44.33.640.24.552.52.049.21.544.32.148.21.0
stable53.63.655.64.638.42.037.31.448.82.142.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.10.40.21.70.42.30.30.50.31.20.1
critical1.50.44.70.68.50.811.20.76.90.97.20.3
less stable35.01.442.11.450.21.447.01.143.21.844.10.6
stable63.21.452.81.439.71.439.51.149.41.847.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852364/318695
NFI1
forest area
rockfall SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.2300.0.0.0.2.230
critical2.6270.0.0.21002.826
less stable20.380.0.1.24021.57
stable20.680.0.0.47121.08
total45.720.0.1.83347.52
AIn/a0.21000.0.0.4720.658
critical0.21000.0.0.0.0.2100
less stable1.0410.0.1.9282.920
stable0.9420.0.0.6571.531
total2.3250.0.2.8205.19
ARn/a0.21000.0.0.0.0.2100
critical0.0.0.0.0.0.0.0.
less stable2.0290.0.0.7512.723
stable3.1220.0.2.1235.313
total5.3130.0.2.8208.16
BEn/a5.0200.0.4.4219.414
critical6.4170.4704.82011.713
less stable39.762.62837.4679.74
stable35.171.43829.4865.94
total86.344.42176.04166.71
BL/BSn/a1.5380.0.0.4701.832
critical0.6580.21000.0.0.850
less stable5.8170.31000.9427.015
stable8.0130.0.2.13110.111
total15.960.5723.42319.73
FRn/a1.8340.0.1.2413.026
critical0.9500.0.1.1412.031
less stable9.7130.0.6.11615.89
stable14.0100.0.5.71719.78
total26.360.0.14.2940.53
GEn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable2.0320.0.0.0.2.032
stable1.2500.0.0.0.1.250
total3.1130.0.0.0.3.113
GLn/a0.6580.21000.6581.438
critical0.4710.5570.6581.534
less stable2.0301.4363.6217.013
stable2.2290.21002.0304.319
total5.1172.3276.81414.27
GRn/a2.6280.0.3.8236.417
critical3.4240.6587.11611.113
less stable25.884.12244.5674.44
stable26.481.04531.6759.05
total58.255.71887.03150.92
JUn/a0.6580.21000.6571.437
critical0.21000.0.0.21000.470
less stable9.0130.21002.32811.511
stable12.5110.8497.41520.77
total22.461.24010.51234.03
LUn/a1.2410.0.0.0.1.241
critical1.3370.0.0.6582.031
less stable20.180.0.4.42024.56
stable10.6120.0.2.62713.310
total33.340.0.7.61541.03
NEn/a0.6600.0.0.4711.046
critical0.21000.0.0.0.0.2100
less stable5.5170.0.1.0406.515
stable17.870.21002.52720.56
total24.150.21003.82128.23
NWn/a0.0.0.0.0.0.0.0.
critical0.31000.0.0.31000.571
less stable1.9330.0.1.8333.819
stable1.3420.21001.7263.221
total3.5210.21003.8207.58
OWn/a1.3380.0.0.4711.733
critical0.9460.0.0.21001.142
less stable4.4190.3726.21510.99
stable2.6260.0.2.3284.918
total9.3120.3729.11118.74
SGn/a1.9330.0.1.6353.524
critical1.6350.21003.1254.920
less stable10.8130.75014.81026.47
stable7.5160.7568.91417.110
total21.881.73528.4652.03
SHn/a0.9490.0.0.0.0.949
critical0.4710.0.0.0.0.471
less stable4.6180.0.0.21004.717
stable6.1140.0.0.21006.313
total11.940.0.0.46912.33
SOn/a1.1440.21000.0.1.440
critical1.0450.0.0.21001.241
less stable18.170.7581.14119.97
stable8.6130.0.0.8519.513
total28.930.9502.13031.92
SZn/a1.8320.0.0.6582.528
critical1.8330.0.0.0.1.833
less stable4.8190.6576.51611.910
stable6.0170.21004.71910.911
total14.590.84911.71027.14
TGn/a0.5600.0.0.21000.751
critical0.8450.0.0.0.0.845
less stable8.6120.0.0.6519.211
stable7.5130.0.1.5339.011
total17.350.0.2.42619.73
TIn/a1.4380.21002.5284.122
critical1.4380.21001.8333.424
less stable7.7163.62335.6646.95
stable8.3153.32539.6651.15
total18.8107.31679.53105.52
URn/a0.4720.0.0.0.0.472
critical0.21000.21000.6570.944
less stable3.1232.2293.6218.911
stable1.6350.21001.7323.522
total5.2172.6265.81513.76
VDn/a2.9260.0.0.6583.523
critical5.5190.0.1.4386.916
less stable26.080.4718.91435.26
stable35.760.21009.31445.25
total70.030.65820.2990.82
VSn/a2.8270.8502.8276.417
critical2.1310.6584.9207.616
less stable9.4141.43727.3738.16
stable12.9124.42034.3651.55
total27.187.21669.33103.62
ZGn/a0.21000.0.0.11000.472
critical0.11000.0.0.4720.558
less stable1.8280.0.0.9392.622
stable0.7500.0.1.3332.024
total2.9190.0.2.6185.57
ZHn/a1.7350.0.0.21001.933
critical3.0240.0.0.21003.324
less stable24.270.0.0.85025.07
stable19.680.0.0.47020.08
total48.520.0.1.63550.22
Switzerlandn/a33.581.73520.71055.96
critical35.372.92627.7866.05
less stable268.5218.410212.33499.22
stable270.6212.912193.03476.42
total607.9135.97453.721097.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #852365/318696
NFI1
forest area
rockfall SilvaProtect · stand stability
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
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.0310.0.0.0.2.031
critical2.6270.0.0.21002.826
less stable20.380.0.1.24021.57
stable20.080.0.0.47120.48
total44.920.0.1.83346.72
AIn/a0.21000.0.0.4720.658
critical0.21000.0.0.0.0.2100
less stable1.0410.0.1.9282.920
stable0.9420.0.0.6571.531
total2.3250.0.2.8205.19
ARn/a0.21000.0.0.0.0.2100
critical0.0.0.0.0.0.0.0.
less stable2.0290.0.0.7512.723
stable3.1220.0.2.1235.313
total5.3130.0.2.8208.16
BEn/a4.8200.0.4.0228.815
critical6.4170.4704.22211.113
less stable38.762.62836.2777.54
stable33.571.43828.8863.75
total83.544.42173.24161.11
BL/BSn/a1.3410.0.0.4701.635
critical0.6580.21000.0.0.850
less stable5.8170.31000.9427.015
stable8.0130.0.2.13110.111
total15.760.5723.42319.64
FRn/a1.4380.0.1.0452.429
critical0.9500.0.1.1412.031
less stable9.7130.0.6.11615.89
stable14.0100.0.5.51719.58
total25.950.0.13.81039.73
GEn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable2.0320.0.0.0.2.032
stable1.2500.0.0.0.1.250
total3.1130.0.0.0.3.113
GLn/a0.6580.21000.4711.241
critical0.4710.5570.6581.534
less stable2.0301.4363.6217.013
stable2.0310.21002.0304.120
total4.9182.3276.61413.87
GRn/a2.0320.0.3.0265.020
critical3.2250.6587.11610.913
less stable24.283.72344.1672.04
stable24.881.04530.8756.65
total54.255.31985.03144.52
JUn/a0.6580.21000.6571.437
critical0.21000.0.0.21000.470
less stable9.0130.21002.32811.511
stable11.5110.8497.21519.57
total21.361.24010.31232.83
LUn/a1.0450.0.0.0.1.045
critical1.3370.0.0.6582.031
less stable19.580.0.4.22123.76
stable10.0120.0.2.62712.710
total31.940.0.7.41539.43
NEn/a0.6600.0.0.4711.046
critical0.21000.0.0.0.0.2100
less stable5.5170.0.1.0406.515
stable17.170.21002.32819.66
total23.450.21003.62127.33
NWn/a0.0.0.0.0.0.0.0.
critical0.31000.0.0.31000.571
less stable1.9330.0.1.6363.521
stable1.3420.21001.7263.221
total3.5210.21003.5217.29
OWn/a1.1420.0.0.4711.536
critical0.9460.0.0.21001.142
less stable4.4190.3725.81610.59
stable2.6260.0.2.3284.918
total9.1120.3728.71118.14
SGn/a0.8500.0.1.4382.230
critical1.4380.0.3.1254.521
less stable10.8130.75014.11025.67
stable7.2160.7568.61416.510
total20.191.53827.2748.84
SHn/a0.9490.0.0.0.0.949
critical0.4710.0.0.0.0.471
less stable4.6180.0.0.21004.717
stable6.1140.0.0.21006.313
total11.940.0.0.46912.33
SOn/a1.1440.21000.0.1.440
critical1.0450.0.0.21001.241
less stable17.780.7581.14119.57
stable8.6130.0.0.8519.513
total28.530.9502.13031.62
SZn/a1.0440.0.0.6581.634
critical1.6350.0.0.0.1.635
less stable4.8190.4696.11611.410
stable6.0170.21004.71910.911
total13.5100.75611.41125.54
TGn/a0.5600.0.0.21000.751
critical0.8450.0.0.0.0.845
less stable8.6120.0.0.6519.211
stable7.3130.0.1.5338.911
total17.250.0.2.42619.63
TIn/a0.8500.21001.7332.727
critical1.2410.21001.8333.225
less stable6.9173.62334.0744.56
stable7.3163.32538.8649.45
total16.3107.31676.3399.92
URn/a0.4720.0.0.0.0.472
critical0.21000.21000.4690.849
less stable2.7252.1303.6218.311
stable1.6350.21001.7323.522
total4.8182.4275.71512.96
VDn/a2.3290.0.0.6582.925
critical5.3190.0.1.4386.717
less stable25.480.4718.91434.76
stable34.460.21008.71443.45
total67.530.65819.6987.72
VSn/a1.8330.6582.6285.020
critical1.9330.6584.9207.416
less stable9.2141.43726.9737.56
stable11.7134.22133.3649.15
total24.586.81667.7499.02
ZGn/a0.21000.0.0.11000.472
critical0.11000.0.0.4720.558
less stable1.8280.0.0.7462.523
stable0.7500.0.1.3332.024
total2.9190.0.2.5205.48
ZHn/a1.5370.0.0.21001.735
critical3.0240.0.0.21003.324
less stable23.470.0.0.85024.27
stable19.180.0.0.47019.68
total47.120.0.1.63548.82
Switzerlandn/a27.291.53817.91046.66
critical34.182.72726.9963.85
less stable262.1217.710206.63486.42
stable259.9212.612188.43461.02
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #852366/318697
NFI1
forest area
rockfall SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.1210.0.0.0.2.121
critical2.4200.0.0.2712.619
less stable22.950.0.1.13024.05
stable19.060.0.0.35819.36
total46.320.0.1.62547.91
AIn/a0.11000.0.0.2720.358
critical0.2670.0.0.11000.357
less stable1.1270.0.1.6212.714
stable0.7300.0.0.8321.520
total2.2170.0.2.7144.97
ARn/a0.3570.0.0.2710.545
critical0.0.0.0.0.11000.1100
less stable1.5240.0.0.7362.218
stable3.1150.0.2.0195.010
total4.9100.0.3.0157.94
BEn/a4.5150.0.4.2158.710
critical5.5130.4505.11411.09
less stable40.842.32139.2482.33
stable36.351.22925.8663.33
total87.033.91674.43165.41
BL/BSn/a0.9330.0.0.3571.228
critical0.4500.11000.0.0.544
less stable6.7100.11000.9327.79
stable8.990.2711.92311.17
total16.940.4503.11720.42
FRn/a1.6250.0.0.9332.520
critical1.2300.0.1.5252.619
less stable8.5100.11008.41017.06
stable12.970.2715.21318.36
total24.240.35816.0640.42
GEn/a0.11000.0.0.0.0.1100
critical0.0.0.0.0.0.0.0.
less stable1.6220.0.0.0.1.622
stable1.6210.0.0.0.1.621
total3.460.0.0.0.3.46
GLn/a1.0320.11000.8351.922
critical0.5440.4500.6411.525
less stable2.6191.0313.1166.710
stable2.1210.2702.5194.813
total6.2111.7237.01015.05
GRn/a2.7190.11003.4176.213
critical4.4150.5457.71112.69
less stable26.164.91445.9476.83
stable25.961.22931.0558.14
total59.146.71287.92153.71
JUn/a0.7380.11000.5451.327
critical0.2710.0.0.11000.358
less stable9.590.3572.41912.27
stable13.170.6406.61120.35
total23.441.0319.7934.12
LUn/a1.8230.0.0.11001.922
critical1.2270.0.0.5411.722
less stable19.450.11003.51623.05
stable11.780.11002.71814.57
total34.130.2716.81141.22
NEn/a0.8340.0.0.2711.031
critical0.11000.0.0.11000.271
less stable5.7120.0.1.0296.711
stable17.950.2712.32020.44
total24.530.2713.61528.42
NWn/a0.4490.0.0.3560.835
critical0.2690.11000.2710.544
less stable1.6240.2711.5243.314
stable1.2280.11002.0193.315
total3.5140.4494.1128.05
OWn/a1.0320.0.0.2711.229
critical1.0320.11000.6411.724
less stable3.9150.3585.91110.08
stable3.3160.0.2.7185.911
total9.180.4519.3818.83
SGn/a1.4280.0.1.9233.317
critical1.6250.2712.8194.614
less stable9.890.45015.9726.15
stable7.1110.8358.91016.87
total19.961.42729.5450.82
SHn/a0.7370.0.0.0.0.737
critical0.4490.0.0.0.0.449
less stable4.9120.0.0.11005.011
stable5.6100.11000.4506.19
total11.630.11000.54412.22
SOn/a0.6410.11000.0.0.837
critical1.3270.0.0.2701.525
less stable17.050.3581.72419.05
stable9.090.0.1.03110.18
total28.030.4502.91831.42
SZn/a1.8240.11000.8352.719
critical1.5250.11000.4502.022
less stable4.6140.7376.91112.37
stable4.9130.3574.6149.89
total12.971.32812.7726.83
TGn/a0.6380.0.0.11000.735
critical0.5400.0.0.0.0.540
less stable8.580.0.0.8339.38
stable7.390.0.1.5238.88
total17.030.0.2.41819.42
TIn/a1.3280.4502.3214.016
critical0.9330.4502.2213.517
less stable7.5114.11537.6449.24
stable9.3102.42038.9450.64
total19.177.31181.12107.42
URn/a0.6410.0.0.3581.033
critical0.4500.3580.6401.327
less stable3.0182.0224.2149.28
stable1.3270.4561.2282.918
total5.4122.7196.31114.45
VDn/a2.9190.0.0.8353.716
critical4.4150.0.1.3285.713
less stable25.260.54510.2935.84
stable40.440.3588.11148.83
total72.820.83520.4694.11
VSn/a3.5170.6413.3177.411
critical3.0180.4504.2157.611
less stable9.1101.52625.0635.65
stable14.283.91633.6551.83
total29.856.41266.23102.42
ZGn/a0.2710.0.0.11000.358
critical0.2710.0.0.3570.543
less stable2.2180.0.1.0283.313
stable0.7370.0.0.9291.621
total3.3120.0.2.4165.74
ZHn/a1.9230.0.0.11002.022
critical2.0220.0.0.11002.122
less stable24.050.0.0.54524.45
stable20.950.0.0.27121.15
total48.810.0.0.93349.71
Switzerlandn/a33.851.62621.1756.54
critical33.553.11829.0665.64
less stable267.6218.77219.22505.61
stable278.6212.39185.12476.01
total613.4135.75454.411103.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #852367/318698
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
critical1.8330.0.0.0.1.833
less stable16.290.0.1.04417.29
stable26.760.0.0.85027.56
total44.920.0.1.83346.72
AIn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable2.1270.0.2.2234.312
stable0.21000.0.0.6570.848
total2.3250.0.2.8205.19
ARn/a0.4730.0.0.0.0.473
critical0.7500.0.0.0.0.750
less stable2.6260.0.1.5314.018
stable1.6340.0.1.4353.022
total5.3130.0.2.8208.16
BEn/a1.0450.0.0.6571.635
critical5.2190.21004.2229.614
less stable35.073.02634.5772.54
stable42.361.24133.8777.44
total83.544.42173.24161.11
BL/BSn/a0.0.0.0.0.0.0.0.
critical0.5720.0.0.0.0.572
less stable3.3240.21000.7574.221
stable11.990.31002.72614.97
total15.760.5723.42319.64
FRn/a0.0.0.0.0.0.0.0.
critical1.7330.0.1.3373.024
less stable12.7110.0.7.61420.38
stable11.5120.0.4.91916.49
total25.950.0.13.81039.73
GEn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable0.41000.0.0.0.0.4100
stable2.7190.0.0.0.2.719
total3.1130.0.0.0.3.113
GLn/a0.0.0.0.0.4710.471
critical0.8500.4700.8501.931
less stable1.9301.8313.9217.612
stable2.2300.21001.6353.921
total4.9182.3276.61413.87
GRn/a0.4710.0.2.0312.429
critical3.9220.4719.11413.412
less stable24.581.93139.2665.74
stable25.383.02634.7763.05
total54.255.31985.03144.52
JUn/a0.0.0.0.0.0.0.0.
critical0.4700.0.0.4710.849
less stable8.7130.4714.61913.79
stable12.3110.8505.31818.37
total21.361.24010.31232.83
LUn/a0.6570.0.0.0.0.657
critical3.9210.0.1.7355.618
less stable19.180.0.3.82222.97
stable8.3140.0.2.03110.312
total31.940.0.7.41539.43
NEn/a0.31000.0.0.0.0.3100
critical0.6580.0.0.0.0.658
less stable6.1160.21001.1417.414
stable16.480.0.2.52618.97
total23.450.21003.62127.33
NWn/a0.0.0.0.0.31000.3100
critical0.6580.0.0.9501.536
less stable0.8560.0.1.7342.527
stable2.1310.21000.7593.024
total3.5210.21003.5217.29
OWn/a0.4710.0.0.11000.559
critical0.4740.0.0.0.0.474
less stable5.0180.3726.61411.98
stable3.3230.0.1.9315.317
total9.1120.3728.71118.14
SGn/a0.8500.0.0.8491.734
critical1.7350.21001.9333.823
less stable9.3140.55815.21025.17
stable8.3150.7589.31418.39
total20.191.53827.2748.84
SHn/a0.0.0.0.0.0.0.0.
critical0.21000.0.0.0.0.2100
less stable3.0240.0.0.4693.422
stable8.790.0.0.0.8.79
total11.940.0.0.46912.33
SOn/a0.0.0.0.0.0.0.0.
critical1.0440.0.0.0.1.044
less stable10.0120.21000.94511.111
stable17.570.7581.24119.47
total28.530.9502.13031.62
SZn/a1.0450.0.0.21001.240
critical1.3400.21001.4382.926
less stable5.0190.21004.7199.912
stable6.1170.21005.11811.411
total13.5100.75611.41125.54
TGn/a0.21000.0.0.0.0.2100
critical0.5600.0.0.11000.652
less stable6.7130.0.1.1417.712
stable9.8100.0.1.23811.09
total17.250.0.2.42619.63
TIn/a0.0.0.21000.4710.658
critical1.2411.0455.3197.516
less stable6.4174.32136.0646.65
stable8.7151.83334.6645.25
total16.3107.31676.3399.92
URn/a0.0.0.21000.21000.472
critical1.5340.8491.5343.820
less stable1.3361.3403.3215.815
stable2.1300.21000.7572.924
total4.8182.4275.71512.96
VDn/a0.21000.0.0.4710.658
critical2.4290.0.1.6354.022
less stable27.370.0.8.81436.16
stable37.560.6588.81446.95
total67.530.65819.6987.72
VSn/a0.6580.21001.0451.933
critical3.0260.6586.0189.614
less stable9.2143.12533.4645.65
stable11.7122.92627.3741.96
total24.586.81667.7499.02
ZGn/a0.0.0.0.0.0.0.0.
critical0.11000.0.0.11000.367
less stable1.3340.0.0.6591.827
stable1.5330.0.1.8253.216
total2.9190.0.2.5205.48
ZHn/a0.0.0.0.0.0.0.0.
critical1.4380.0.0.0.1.438
less stable17.790.0.1.24119.08
stable28.060.0.0.47128.46
total47.120.0.1.63548.82
Switzerlandn/a6.2180.7586.41813.312
critical34.773.72336.3774.85
less stable235.6317.511213.83466.92
stable307.0212.613183.33502.82
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #852368/318699
NFI2
forest area
rockfall SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
critical1.7330.0.0.0.1.733
less stable16.880.0.0.94417.78
stable27.460.0.0.75028.15
total46.020.0.1.63347.62
AIn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable2.1240.0.2.3194.411
stable0.21000.0.0.5570.748
total2.3230.0.2.8185.09
ARn/a0.4740.0.0.0.0.474
critical0.6510.0.0.0.0.651
less stable2.5240.0.1.9244.415
stable1.5320.0.1.2352.722
total5.0120.0.3.1188.16
BEn/a0.9450.0.0.6571.535
critical5.3180.21004.81910.313
less stable36.763.32335.8675.84
stable45.261.14133.6779.94
total88.234.52074.84167.41
BL/BSn/a0.0.0.0.0.0.0.0.
critical0.4730.0.0.0.0.473
less stable4.1200.21000.8495.118
stable11.790.31002.82414.87
total16.260.4733.62120.23
FRn/a0.0.0.0.0.0.0.0.
critical1.7310.0.1.3353.123
less stable13.1100.0.7.91321.07
stable12.6110.0.5.11817.78
total27.450.0.14.3941.73
GEn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable0.31000.0.0.0.0.3100
stable2.5180.0.0.0.2.518
total2.8150.0.0.0.2.815
GLn/a0.11000.0.0.5570.649
critical0.7500.3700.7501.731
less stable2.7241.6314.5188.811
stable2.5260.21001.7314.419
total6.0152.1277.41315.56
GRn/a0.7500.0.1.8312.527
critical5.8170.55810.11316.510
less stable29.172.02942.7673.84
stable28.173.02438.7669.74
total63.745.51793.33162.52
JUn/a0.0.0.0.0.0.0.0.
critical0.3700.0.0.3710.750
less stable9.2120.3714.81814.49
stable12.0100.7505.61618.37
total21.561.14010.71133.32
LUn/a0.6570.0.0.0.0.657
critical4.4190.0.1.5355.916
less stable20.370.0.3.42223.76
stable9.4120.0.2.03011.311
total34.640.0.6.91541.42
NEn/a0.21000.0.0.0.0.2100
critical0.5580.0.0.0.0.558
less stable5.7150.21001.1377.113
stable17.570.0.2.62420.16
total24.040.21003.82027.93
NWn/a0.21000.0.0.21000.568
critical0.7490.11001.0441.829
less stable0.7560.21001.4342.326
stable2.7240.11000.6593.520
total4.3170.5583.3218.17
OWn/a0.4710.0.0.11000.558
critical0.3730.0.0.21000.559
less stable5.3160.3727.01312.68
stable3.9200.0.1.9295.815
total10.0110.3729.21019.43
SGn/a0.7500.0.1.6342.328
critical1.9310.21002.2294.320
less stable10.3120.75015.3926.36
stable10.0120.65811.01221.68
total22.981.53530.1654.63
SHn/a0.0.0.0.0.0.0.0.
critical0.21000.0.0.0.0.2100
less stable3.5200.0.0.5564.018
stable8.290.0.0.0.8.29
total11.830.0.0.55612.42
SOn/a0.0.0.0.0.0.0.0.
critical1.1400.0.0.0.1.140
less stable11.1110.21000.84512.210
stable17.271.0441.14119.26
total29.431.2401.93032.52
SZn/a0.9450.0.0.21001.140
critical1.8320.21001.2383.223
less stable5.4170.21005.31710.911
stable6.5150.5585.91612.910
total14.591.04412.6928.04
TGn/a0.21000.0.0.0.0.2100
critical0.5620.0.0.11000.653
less stable6.4130.0.1.1387.512
stable10.290.0.1.13911.38
total17.340.0.2.32519.73
TIn/a0.0.0.21000.4710.558
critical1.4350.9455.3187.615
less stable8.0154.32038.1650.55
stable11.6122.12937.3651.05
total21.097.51581.13109.62
URn/a0.21000.21000.21000.557
critical1.7300.8441.8294.317
less stable2.0281.3373.3196.613
stable2.9230.5580.6574.019
total6.8132.8245.81315.45
VDn/a0.21000.0.0.4710.558
critical2.3270.21001.6334.020
less stable29.370.0.9.31338.65
stable41.050.5589.51351.14
total72.830.75020.7894.22
VSn/a0.6580.21001.2382.030
critical3.1230.5586.61610.213
less stable11.3123.12333.5647.95
stable14.0113.12329.3746.45
total29.077.01570.53106.52
ZGn/a0.0.0.0.0.0.0.0.
critical0.11000.0.0.3710.457
less stable1.3320.0.0.7502.024
stable1.7280.0.1.6253.315
total3.1170.0.2.6195.76
ZHn/a0.0.0.0.0.0.0.0.
critical1.4350.0.0.0.1.435
less stable17.680.0.1.04018.68
stable28.850.0.0.55829.45
total47.920.0.1.63349.41
Switzerlandn/a6.5170.6587.11614.211
critical37.974.02139.0780.95
less stable254.8217.910223.42496.11
stable329.1213.711194.93537.71
total628.4136.17464.411128.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #852369/318700
NFI2
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
critical1.8330.0.0.0.1.833
less stable16.490.0.1.04417.49
stable27.960.0.0.85028.76
total46.320.0.1.83348.12
AIn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable2.1270.0.2.2234.312
stable0.21000.0.0.6570.848
total2.3250.0.2.8205.19
ARn/a0.4730.0.0.0.0.473
critical0.7500.0.0.0.0.750
less stable2.6260.0.1.5314.018
stable1.6340.0.1.4353.022
total5.3130.0.2.8208.16
BEn/a1.0450.0.0.6571.635
critical5.3190.21004.4219.914
less stable36.673.02636.3776.04
stable44.761.24134.4780.34
total87.744.42175.84167.91
BL/BSn/a0.0.0.0.0.0.0.0.
critical0.5720.0.0.0.0.572
less stable3.7230.21000.9494.820
stable11.990.31002.72614.97
total16.160.5723.62220.23
FRn/a0.0.0.0.0.0.0.0.
critical1.7330.0.1.3373.024
less stable13.1110.0.7.81420.97
stable12.3110.0.5.51817.89
total27.150.0.14.6941.73
GEn/a0.0.0.0.0.0.0.0.
critical0.0.0.0.0.0.0.0.
less stable0.41000.0.0.0.0.4100
stable3.1130.0.0.0.3.113
total3.520.0.0.0.3.52
GLn/a0.0.0.0.0.4710.471
critical0.8500.4700.8501.931
less stable2.7251.8314.0208.512
stable2.2300.21001.8324.120
total5.7172.3276.91414.96
GRn/a0.6580.0.2.0312.628
critical5.5190.4719.91415.811
less stable28.681.93142.2672.74
stable29.483.42439.1671.84
total64.155.71893.23162.92
JUn/a0.0.0.0.0.0.0.0.
critical0.4700.0.0.4710.849
less stable8.9130.4714.61913.99
stable12.9100.8505.51819.17
total22.161.24010.51233.73
LUn/a0.6570.0.0.0.0.657
critical4.1210.0.1.7355.817
less stable19.780.0.3.82223.57
stable9.1130.0.2.23011.312
total33.540.0.7.61541.22
NEn/a0.31000.0.0.0.0.3100
critical0.6580.0.0.0.0.658
less stable6.1160.21001.1417.414
stable17.270.0.2.72520.06
total24.250.21003.82128.33
NWn/a0.0.0.0.0.31000.3100
critical0.6580.0.0.9501.536
less stable0.8560.0.1.7342.527
stable2.9250.21000.7593.720
total4.3180.21003.5218.08
OWn/a0.4710.0.0.11000.559
critical0.4740.0.0.0.0.474
less stable5.4170.3726.91412.58
stable3.7220.0.1.9315.716
total9.9110.3728.91119.14
SGn/a0.8500.0.1.1441.932
critical1.9330.21002.3304.421
less stable10.4130.85016.11027.27
stable10.0130.75810.41321.08
total23.181.73529.8654.53
SHn/a0.0.0.0.0.0.0.0.
critical0.21000.0.0.0.0.2100
less stable3.0240.0.0.4693.422
stable8.790.0.0.0.8.79
total11.940.0.0.46912.33
SOn/a0.0.0.0.0.0.0.0.
critical1.2400.0.0.0.1.240
less stable10.3120.21000.94511.511
stable17.770.7581.24119.67
total29.330.9502.13032.32
SZn/a1.0450.0.0.21001.240
critical1.5370.21001.4383.125
less stable5.0190.21005.31810.611
stable6.7160.4715.51812.610
total14.390.84912.41027.54
TGn/a0.21000.0.0.0.0.2100
critical0.5600.0.0.11000.652
less stable6.7130.0.1.1417.712
stable10.1100.0.1.23811.38
total17.550.0.2.42619.93
TIn/a0.0.0.21000.4710.658
critical1.6351.0455.7198.215
less stable7.9164.52138.5650.95
stable11.2132.03137.1650.35
total20.797.61681.83110.12
URn/a0.0.0.21000.21000.472
critical1.7320.9441.5344.219
less stable1.7321.5373.4206.614
stable2.6260.3700.7573.621
total6.0153.0245.81514.85
VDn/a0.21000.0.0.4710.658
critical2.6270.0.1.6354.221
less stable29.370.0.9.11438.56
stable41.260.6589.41451.25
total73.330.65820.5994.52
VSn/a0.6580.21001.2412.131
critical3.0260.6586.0189.614
less stable11.2133.32434.0648.55
stable13.9113.32428.5745.85
total28.877.41669.73105.92
ZGn/a0.0.0.0.0.0.0.0.
critical0.11000.0.0.3710.556
less stable1.3340.0.0.6591.827
stable1.5330.0.1.8253.216
total2.9190.0.2.6185.57
ZHn/a0.0.0.0.0.0.0.0.
critical1.6350.0.0.0.1.635
less stable17.990.0.1.24119.28
stable28.860.0.0.47129.26
total48.420.0.1.63550.01
Switzerlandn/a6.4180.7586.81713.912
critical38.473.92238.3780.65
less stable251.7218.410224.63494.72
stable331.6213.912195.43540.91
total628.1136.97465.121130.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #852370/318701
NFI1
forest area
rockfall SilvaProtect · stand stability
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
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a12.5125.8184.0231.8331.8331.04527.09
critical19.4105.3193.4241.9333.2251.24134.57
less stable156.1341.6621.899.21422.498.915260.12
stable166.2328.6820.5911.71323.199.014259.12
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a0.4710.0.0.21000.6580.0.0.21001.438
critical0.21000.4700.8500.6580.6580.21002.827
less stable1.5352.9274.5211.4371.7335.61917.710
stable1.8331.0451.2414.2210.6583.72312.412
total3.9224.3226.7176.8162.9269.61434.37
outside perimetern/a2.3295.2193.2252.6282.4292.32918.010
critical2.2306.6174.2224.9206.0183.02626.89
less stable19.51052.7530.3726.9732.9745.36207.63
stable29.9836.2721.1933.3626.5842.86189.83
total53.96100.7358.8467.7467.8493.33442.22
totaln/a15.31111.0137.4165.0204.2223.52346.46
critical21.7912.4128.4157.4169.8144.42164.05
less stable177.2397.3356.7537.5657.1559.75485.42
stable197.9265.8542.8649.1550.3555.55461.32
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #852371/318702
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