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NFI1
forest area
stand stability · slope (20% 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
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.90.32.71.12.81.12.20.81.90.60.0.0.60.31.00.60.40.41.01.00.0.0.0.0.0.0.0.0.90.1
21-40 %2.81.13.62.00.50.50.80.51.50.77.93.93.91.55.12.16.52.75.04.47.54.55.01.93.51.42.61.33.50.5
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.90.90.0.0.0.0.0.0.30.20.10.0
total3.70.76.31.63.31.23.00.93.30.87.92.04.71.06.11.36.91.66.92.57.52.35.01.03.50.72.90.74.40.3
criticalto 20%0.90.30.40.44.41.46.41.34.80.91.71.00.40.30.70.50.0.0.90.90.0.0.0.0.50.30.20.21.50.2
21-40 %2.30.93.62.10.40.42.31.11.50.88.43.74.51.84.52.06.83.36.64.211.84.86.82.27.22.12.81.34.30.6
over 100%0.0.0.0.0.0.0.0.0.0.0.60.50.0.0.0.0.0.0.0.0.0.0.60.40.30.20.60.30.20.1
total3.20.64.01.34.81.48.61.56.41.010.62.34.91.05.21.26.81.67.52.511.82.77.51.28.01.13.60.76.00.3
less stableto 20%8.91.012.52.224.22.832.12.530.82.06.61.87.51.25.81.30.80.61.81.22.01.22.00.62.20.61.70.510.10.4
21-40 %28.23.429.56.411.13.420.24.117.22.737.58.046.85.740.76.245.77.852.512.439.710.034.24.842.84.840.34.734.01.5
over 100%0.10.10.0.0.0.0.0.0.0.0.80.62.10.60.80.52.71.06.42.42.81.41.60.62.00.66.61.01.80.2
total37.21.842.03.435.33.252.22.748.02.245.03.656.42.347.32.749.23.260.74.744.54.337.82.247.12.048.52.045.80.7
stableto 20%18.61.419.02.738.03.218.82.122.71.85.01.65.51.16.01.32.91.11.01.01.30.90.80.43.60.81.30.510.50.4
21-40 %37.03.828.25.718.64.217.43.319.63.130.47.228.14.635.25.732.96.823.08.733.59.546.65.536.74.541.34.832.41.4
over 100%0.30.20.50.50.0.0.0.0.0.1.10.80.40.30.30.31.30.70.90.91.30.92.20.71.10.42.40.60.90.1
total55.91.847.73.456.63.336.12.642.32.136.53.534.02.241.52.737.03.124.94.236.24.249.62.241.42.045.12.043.80.7
totalto 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793722/260054
NFI4
forest area
stand stability · slope (20% classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%0.90.20.70.30.20.20.30.20.60.30.30.20.60.1
21-40 %1.40.55.11.46.41.99.12.36.91.86.41.74.70.5
over 100%0.0.0.60.20.60.30.70.30.50.30.60.30.40.1
total2.30.36.40.87.21.010.11.28.11.07.30.95.70.3
less stableto 20%18.20.84.70.74.30.80.80.41.50.41.40.48.20.3
21-40 %20.31.743.33.843.54.740.94.735.84.046.44.434.31.4
over 100%0.10.12.20.53.00.72.60.62.60.67.00.92.30.2
total38.71.050.21.650.81.944.32.040.01.854.81.744.90.6
stableto 20%28.71.05.60.74.70.81.80.53.60.71.70.512.60.4
21-40 %30.41.937.33.436.94.242.14.847.74.533.13.936.01.4
over 100%0.00.00.50.20.40.31.70.50.60.33.10.60.80.1
total59.11.143.41.542.01.945.62.052.01.838.01.749.40.6
totalto 20%47.81.111.01.09.11.13.00.75.70.83.40.621.40.5
21-40 %52.02.585.74.986.86.292.16.590.55.885.95.775.11.9
over 100%0.20.13.30.64.10.84.90.93.80.710.71.13.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793723/260055
NFI1
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%1.00.42.71.13.11.22.50.82.00.60.50.50.60.31.20.60.40.40.90.90.70.70.0.0.0.0.30.21.00.1
21-40 %2.91.14.22.11.30.80.80.51.40.79.24.14.01.56.42.36.52.66.34.78.54.66.22.14.41.63.21.44.10.5
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.80.80.0.0.0.0.0.0.30.20.10.0
total3.90.76.91.74.41.43.30.93.40.89.72.14.70.97.71.56.91.68.12.59.22.56.21.14.40.83.80.75.10.3
criticalto 20%0.90.30.40.44.71.46.21.34.70.91.60.90.40.30.70.50.0.1.61.20.0.0.0.0.50.30.20.21.50.2
21-40 %2.20.93.52.10.40.42.21.11.50.88.23.64.91.94.31.96.43.06.94.811.84.66.72.17.02.02.61.24.30.5
over 100%0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.70.70.60.30.30.20.80.30.20.1
total3.10.64.01.35.11.48.51.56.31.010.42.25.41.05.01.26.41.58.52.612.52.77.31.17.81.13.50.76.00.3
less stableto 20%8.81.012.42.223.42.831.82.530.62.06.51.87.41.25.61.20.80.51.61.11.91.11.90.62.10.61.60.59.80.4
21-40 %27.63.329.36.411.23.320.44.117.22.636.67.846.75.540.56.144.67.553.112.037.59.533.34.642.14.739.84.633.61.5
over 100%0.10.10.0.0.0.0.0.0.0.0.80.62.20.70.80.53.21.05.92.23.41.51.50.52.20.67.01.01.90.2
total36.61.741.73.434.63.152.22.647.82.143.83.656.22.346.82.748.53.160.64.542.84.136.72.146.42.048.42.045.30.7
stableto 20%19.61.418.92.737.93.218.72.123.01.84.91.65.31.05.81.33.11.10.90.92.01.10.90.43.50.71.40.510.50.4
21-40 %36.63.728.05.718.04.117.43.319.53.130.17.128.04.534.55.634.06.721.18.032.49.146.55.436.84.440.44.732.21.4
over 100%0.30.20.50.50.0.0.0.0.0.1.10.80.40.30.30.31.20.70.80.81.20.92.30.71.10.42.50.60.90.1
total56.41.847.43.455.93.336.12.542.52.136.13.433.72.140.62.638.23.022.83.935.64.149.82.241.32.044.31.943.60.7
totalto 20%30.31.734.43.269.13.059.22.660.32.113.42.413.71.613.21.84.21.35.12.04.61.72.90.76.10.93.40.722.70.5
21-40 %69.34.865.18.730.95.240.85.239.74.084.110.983.67.085.78.191.410.087.414.890.113.592.77.090.36.386.16.374.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.70.71.00.54.41.27.52.45.31.94.40.93.60.710.51.23.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793724/260056
NFI1
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%1.20.32.60.82.30.72.70.62.10.41.00.50.90.30.90.40.40.30.60.60.70.50.20.10.20.10.20.11.00.1
21-40 %2.20.72.21.12.31.31.00.51.50.57.22.54.21.17.31.85.72.07.73.69.43.56.91.64.11.13.00.94.00.4
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.0.0.0.0.40.40.0.0.10.10.10.10.20.10.10.0
total3.40.54.91.04.71.03.60.73.60.68.21.35.40.78.21.06.11.08.71.910.11.87.20.84.40.63.40.55.10.2
criticalto 20%0.70.20.70.43.70.95.40.93.50.61.30.60.40.20.90.40.20.21.30.80.0.0.10.10.40.20.20.11.20.1
21-40 %1.70.63.31.40.60.51.80.81.30.58.72.75.41.44.51.47.62.46.63.411.23.86.71.67.81.53.00.94.40.4
over 100%0.10.10.0.0.0.0.0.0.0.0.30.30.10.10.10.10.0.2.11.00.40.40.60.20.30.20.80.20.30.1
total2.50.43.90.94.30.97.21.04.70.610.21.55.90.75.60.97.81.210.12.011.61.97.40.88.50.83.90.55.90.2
less stableto 20%9.00.714.51.722.41.931.71.732.01.46.41.26.70.85.90.91.40.51.30.71.30.71.60.42.30.41.70.49.90.3
21-40 %27.52.430.24.510.32.321.23.017.21.939.35.746.84.042.54.444.95.450.78.536.86.631.63.242.63.341.23.333.91.0
over 100%0.30.10.20.20.0.0.30.20.0.0.90.41.60.40.70.34.50.97.41.82.00.81.60.41.80.46.90.71.90.1
total36.81.244.92.332.62.253.21.949.21.546.62.455.11.649.11.950.82.259.33.240.22.934.81.546.81.449.81.445.80.5
stableto 20%20.41.019.21.938.62.219.71.522.51.34.51.05.50.76.20.92.90.71.50.92.50.91.20.33.00.52.10.410.80.3
21-40 %36.52.726.94.119.72.916.22.520.02.129.44.927.53.130.73.731.64.619.25.533.76.246.83.936.33.138.43.231.51.0
over 100%0.50.20.20.20.0.0.0.0.0.1.20.50.70.30.30.20.80.41.30.81.90.82.70.51.00.32.40.41.00.1
total57.31.346.32.358.42.335.91.842.51.535.12.333.71.537.21.835.22.122.02.838.12.950.61.640.31.442.91.443.20.5
totalto 20%31.31.236.92.367.02.259.51.860.21.513.21.713.51.113.81.34.80.94.71.54.61.23.10.56.00.74.10.522.90.3
21-40 %67.83.562.66.033.04.040.23.939.82.884.57.683.84.985.15.789.97.284.110.591.19.492.05.090.84.585.64.473.81.4
over 100%0.90.20.50.30.0.0.30.20.0.2.30.72.60.51.10.45.31.011.32.14.31.25.00.73.20.510.30.83.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793725/260057
NFI2
forest area
stand stability · slope (20% 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
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.0.0.0.0.0.0.60.40.40.30.0.0.40.30.60.40.0.0.0.0.0.0.0.0.0.0.0.0.20.1
21-40 %0.30.20.0.0.0.0.30.30.0.0.70.71.00.61.81.02.41.95.84.04.12.71.91.21.80.90.70.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.20.0.0.0.0.90.50.40.30.70.71.40.52.40.82.41.05.82.34.11.61.90.61.80.50.70.31.20.2
criticalto 20%0.50.30.90.62.51.04.11.02.50.71.00.70.60.30.60.40.40.41.91.31.41.00.40.30.10.10.20.21.00.1
21-40 %1.20.70.60.60.0.2.71.41.70.79.24.27.42.56.92.89.73.719.27.98.64.78.72.59.02.36.12.05.60.6
over 100%0.0.0.0.0.0.0.0.0.0.0.40.40.60.40.0.0.40.42.81.60.70.70.60.40.50.31.10.40.40.1
total1.80.51.50.92.51.06.81.34.20.910.52.28.71.37.51.410.62.023.84.110.62.79.71.39.61.27.41.17.10.3
less stableto 20%8.51.010.22.132.83.131.72.524.51.88.42.04.61.07.41.51.30.72.81.61.30.90.80.42.60.60.80.49.40.4
21-40 %27.13.421.15.813.63.714.63.313.52.639.78.343.95.542.36.443.67.740.611.147.510.543.45.343.84.937.84.633.31.5
over 100%0.40.20.0.0.0.0.0.0.0.2.11.11.20.51.10.53.11.12.71.53.41.52.00.61.80.55.20.91.60.2
total36.01.831.23.246.43.346.42.638.02.150.23.649.72.350.82.747.93.246.04.752.24.446.12.248.22.043.82.044.30.7
stableto 20%20.31.523.52.934.13.223.02.232.72.04.01.58.51.34.81.22.41.00.0.0.70.71.70.63.60.82.20.612.30.4
21-40 %41.73.943.36.417.04.122.94.024.63.234.67.530.94.634.55.636.26.921.58.732.39.338.85.135.64.542.44.934.21.5
over 100%0.0.0.50.50.0.0.0.0.0.0.0.0.80.40.0.0.40.42.81.60.0.1.90.61.20.43.70.80.90.1
total61.91.867.33.251.13.345.92.657.32.138.53.640.22.339.32.739.13.124.34.133.04.142.42.240.32.048.22.047.40.7
totalto 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793726/260058
NFI2
forest area
stand stability · slope (20% 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
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.0.0.0.0.0.0.60.40.40.30.0.0.40.30.60.40.0.0.0.0.0.0.0.0.0.0.0.0.10.1
21-40 %0.30.20.0.0.0.0.30.30.0.0.70.60.90.62.11.12.21.75.03.43.72.41.91.21.80.80.60.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.20.0.0.0.0.80.50.40.30.70.61.30.52.60.82.20.95.02.03.71.51.90.61.80.50.60.31.20.1
criticalto 20%0.50.30.90.62.81.04.01.02.60.70.90.60.80.40.60.40.40.41.61.11.20.90.40.30.40.20.10.11.10.1
21-40 %1.30.70.60.60.0.2.71.41.60.79.04.07.22.46.82.78.93.419.07.28.94.58.12.39.22.26.11.95.60.6
over 100%0.0.0.0.0.0.0.0.0.0.0.40.40.60.30.0.0.40.42.41.41.30.90.60.30.50.31.30.40.40.1
total1.80.51.50.92.81.06.71.34.30.910.32.18.61.37.31.49.71.823.03.811.42.69.01.210.01.17.51.07.10.3
less stableto 20%8.61.010.52.132.23.031.92.524.11.88.42.04.50.97.31.42.30.94.01.83.11.40.70.42.30.60.90.49.20.4
21-40 %26.33.320.85.813.73.614.43.213.32.539.28.044.05.341.36.243.47.437.510.145.89.743.25.143.44.536.94.333.11.4
over 100%0.40.20.0.0.0.0.0.0.0.2.01.01.20.51.00.52.81.03.11.54.31.61.80.61.70.55.20.81.60.2
total35.21.731.23.245.93.246.32.637.52.049.63.549.72.349.72.748.53.044.74.453.24.145.82.147.51.943.01.943.90.7
stableto 20%21.61.523.62.834.53.122.92.233.02.04.21.48.21.35.21.22.61.00.80.80.60.61.70.63.50.72.40.612.20.4
21-40 %41.13.843.26.416.93.923.24.024.93.235.27.331.44.535.25.536.76.724.18.631.18.639.75.036.24.242.64.734.61.4
over 100%0.0.0.50.50.0.0.0.0.0.0.0.0.70.40.0.0.40.42.41.40.0.1.70.61.00.43.90.70.90.1
total62.71.767.33.251.33.246.12.657.82.039.43.540.42.240.42.639.73.027.34.031.73.843.22.140.71.948.81.947.70.7
totalto 20%30.71.635.03.269.43.059.42.660.12.113.52.413.91.613.61.85.21.46.42.24.91.72.80.76.20.93.40.722.60.5
21-40 %68.94.864.68.730.65.140.65.239.94.084.110.783.66.985.38.091.29.985.714.389.413.093.07.090.66.186.26.274.42.0
over 100%0.40.20.50.50.0.0.0.0.0.2.41.12.50.71.00.53.61.17.92.45.61.94.20.93.20.710.41.23.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793727/260059
NFI2
forest area
stand stability · slope (20% 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
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.0.0.0.0.0.0.50.40.40.30.0.0.30.20.50.30.0.0.0.0.0.0.0.0.0.0.0.0.10.0
21-40 %0.30.20.0.0.0.0.20.20.0.0.50.51.00.62.31.32.01.65.03.15.13.31.91.11.70.80.50.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.20.0.0.0.0.70.40.40.30.50.51.40.52.80.82.00.85.01.85.11.71.90.61.70.50.50.31.20.1
criticalto 20%0.50.20.80.62.81.04.31.02.40.60.80.60.70.40.50.30.30.31.41.01.10.80.50.30.40.20.10.11.00.1
21-40 %1.20.60.60.60.0.2.91.41.50.79.03.77.62.36.52.48.83.319.36.78.64.38.42.210.02.25.61.75.70.6
over 100%0.0.0.0.0.0.0.0.0.0.0.40.40.50.30.0.0.70.52.01.21.10.80.70.30.40.21.10.40.40.1
total1.60.41.40.82.81.07.21.33.90.810.21.98.81.27.01.39.81.722.63.410.82.49.61.210.81.16.90.97.10.3
less stableto 20%8.81.010.22.033.32.931.52.324.11.78.81.94.90.97.41.32.00.83.41.52.81.21.00.42.30.50.80.39.20.3
21-40 %26.63.122.65.613.63.314.33.013.42.439.07.544.55.141.25.742.87.037.29.244.79.142.04.743.74.337.44.133.21.3
over 100%0.30.20.0.0.0.0.0.0.0.2.11.01.00.41.40.62.60.92.71.34.41.52.00.62.10.55.00.81.60.2
total35.71.632.83.046.93.045.82.537.41.949.93.350.42.150.02.547.42.943.34.052.03.945.02.048.11.843.21.844.10.6
stableto 20%22.01.422.22.633.02.923.52.133.11.93.61.37.91.15.21.12.71.01.41.00.50.51.80.53.10.62.10.512.00.4
21-40 %40.43.643.36.117.33.722.83.725.23.035.76.930.84.234.85.037.86.524.37.931.58.140.04.735.43.943.64.434.61.3
over 100%0.0.0.40.40.0.0.0.0.0.0.0.0.70.30.20.20.40.43.41.50.0.1.70.50.90.33.70.70.90.1
total62.41.665.83.150.33.046.32.458.31.939.43.239.42.140.22.440.92.929.13.732.13.643.62.039.41.849.41.847.50.6
totalto 20%31.21.633.23.069.12.859.72.460.02.013.32.213.81.513.61.75.11.36.12.04.51.53.30.75.80.83.00.622.40.5
21-40 %68.44.566.48.330.94.840.34.840.03.784.210.184.06.584.87.391.39.585.813.190.012.392.46.590.85.887.15.874.61.8
over 100%0.30.20.40.40.0.0.0.0.0.2.51.02.20.61.60.63.61.18.12.35.51.74.30.83.40.79.91.13.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793728/260060
NFI3
forest area
stand stability · slope (20% 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
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.60.50.40.44.41.44.91.25.81.01.41.00.60.30.0.0.0.0.0.0.0.0.60.40.20.20.0.1.50.2
21-40 %4.11.42.92.00.90.62.21.33.21.24.02.84.81.95.92.34.42.52.72.76.83.44.81.73.31.42.51.23.70.5
over 100%0.10.10.0.0.0.0.0.0.0.0.40.40.60.30.0.0.80.60.0.1.30.90.20.20.0.0.30.20.20.1
total5.80.93.31.35.31.57.11.49.01.25.81.76.01.05.91.35.21.42.71.58.12.35.71.03.50.72.80.75.40.3
less stableto 20%8.31.010.82.127.53.024.52.323.91.82.31.04.91.03.21.00.0.1.91.32.71.31.40.51.40.50.60.38.00.4
21-40 %18.72.720.95.66.72.613.33.213.62.628.87.238.05.224.55.040.97.427.79.035.69.528.14.426.74.030.14.124.71.3
over 100%0.30.20.0.0.0.0.0.0.0.2.11.11.70.60.30.33.11.15.52.21.01.01.80.61.80.54.80.91.50.2
total27.31.631.73.134.23.237.82.637.52.133.13.444.62.328.02.444.03.135.14.739.34.331.22.129.91.935.61.934.20.6
stableto 20%19.41.523.42.937.53.230.02.430.62.09.62.18.51.310.21.74.11.32.81.60.70.70.80.44.80.92.50.613.30.4
21-40 %47.64.341.17.123.04.725.14.123.03.151.49.040.55.455.06.946.77.956.713.250.111.359.86.160.25.454.35.545.81.7
over 100%0.0.0.50.50.0.0.0.0.0.0.0.0.40.30.80.50.0.2.81.61.81.02.50.71.60.54.80.91.20.1
total67.01.764.93.260.53.355.12.753.62.261.13.549.42.366.12.650.83.262.24.852.64.363.12.166.61.961.62.060.40.7
totalto 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793729/260061
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.70.50.40.44.61.44.81.26.21.01.30.90.60.30.0.0.0.0.0.0.0.0.50.30.10.10.0.1.50.2
21-40 %4.01.32.91.90.90.62.21.33.11.24.32.95.11.96.12.24.92.64.63.66.73.24.61.74.01.43.11.23.90.5
over 100%0.10.10.0.0.0.0.0.0.0.0.40.40.60.30.0.0.70.50.80.81.20.80.20.20.0.0.30.20.20.1
total5.80.83.31.25.51.57.11.49.31.26.01.76.31.06.11.35.51.35.41.97.92.15.30.94.10.73.30.75.60.3
less stableto 20%8.41.011.02.126.82.924.42.323.51.82.61.15.01.03.30.90.70.53.11.53.01.31.40.51.30.40.80.37.60.3
21-40 %18.32.620.55.56.92.513.33.213.72.628.36.937.55.124.24.838.26.724.57.632.98.629.04.226.43.729.63.724.61.2
over 100%0.20.20.0.0.0.0.0.0.0.2.41.11.60.60.30.32.71.05.32.00.90.92.10.62.00.54.60.81.60.2
total27.01.631.53.133.63.137.72.637.22.133.33.344.12.327.82.441.72.932.94.236.84.032.51.929.71.734.91.733.80.6
stableto 20%20.41.523.42.938.83.230.22.430.62.09.01.98.51.310.11.63.61.12.31.30.60.60.70.34.50.82.40.612.80.4
21-40 %46.74.241.37.022.04.625.04.123.03.051.78.740.75.255.26.748.67.556.312.150.510.659.25.760.25.153.94.946.41.6
over 100%0.0.0.50.50.0.0.0.0.0.0.0.0.40.30.80.40.70.53.11.54.21.62.30.61.50.55.40.81.40.2
total67.21.765.23.260.93.255.22.753.52.160.63.449.72.366.12.552.83.061.64.355.34.162.22.066.21.861.71.860.60.6
totalto 20%30.51.634.83.270.23.059.52.660.22.112.92.314.11.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
21-40 %69.14.864.78.629.85.140.55.239.84.084.310.883.47.085.58.091.79.785.514.090.113.092.86.790.66.086.55.974.91.9
over 100%0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793730/260062
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.60.40.40.44.91.44.81.16.11.01.30.90.60.30.0.0.0.0.0.0.0.0.50.30.10.10.0.1.50.2
21-40 %4.01.32.91.90.80.62.21.33.11.24.93.05.52.06.02.25.02.54.53.56.53.14.71.73.91.43.11.24.00.5
over 100%0.10.10.0.0.0.0.0.0.0.0.40.40.50.30.0.0.70.50.80.81.10.80.20.20.0.0.20.20.20.1
total5.70.83.31.25.81.56.91.39.31.26.51.76.61.16.01.35.71.35.31.97.72.05.40.94.00.73.40.75.60.3
less stableto 20%8.51.011.02.126.32.924.62.323.91.82.61.04.91.03.30.90.70.53.11.52.91.31.40.51.30.40.90.37.60.3
21-40 %18.42.620.55.57.22.613.33.113.62.628.06.737.55.124.34.838.36.625.67.932.18.428.94.126.53.629.73.724.71.2
over 100%0.20.20.0.0.0.0.0.0.0.2.41.11.60.60.20.22.60.95.11.90.90.92.00.61.90.54.70.81.60.2
total27.11.631.53.133.63.137.92.637.52.132.93.243.92.227.82.341.62.933.84.235.93.932.41.929.71.735.31.733.90.6
stableto 20%20.51.423.42.939.03.230.02.430.42.08.71.98.41.310.21.63.51.12.21.31.81.00.70.34.50.82.40.612.70.4
21-40 %46.74.141.37.021.74.525.24.122.83.051.48.640.75.255.26.648.37.455.011.850.510.459.05.760.15.053.44.946.21.6
over 100%0.0.0.50.50.0.0.0.0.0.0.40.40.40.30.80.41.00.63.81.74.11.52.50.71.60.55.50.81.50.2
total67.21.765.23.260.73.255.12.653.22.160.63.449.52.366.22.552.72.961.04.356.44.062.22.066.31.861.31.860.50.6
totalto 20%30.71.634.83.270.23.059.32.660.42.112.62.313.91.613.51.84.11.25.31.94.81.62.60.76.00.93.30.621.80.5
21-40 %69.04.864.78.629.85.140.75.239.64.084.310.683.66.985.57.991.69.585.013.889.112.892.76.790.55.986.25.874.91.9
over 100%0.40.20.50.50.0.0.0.0.0.3.21.22.50.71.00.54.31.29.72.66.11.94.70.93.60.710.51.13.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793731/260063
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.60.40.40.45.71.45.31.15.80.91.50.90.70.30.0.0.0.0.0.0.0.0.60.30.10.10.10.11.50.1
21-40 %3.71.22.92.10.80.52.21.23.01.14.22.65.81.95.52.04.72.34.73.36.42.94.41.54.11.33.01.13.90.5
over 100%0.10.10.0.0.0.0.0.0.0.0.30.30.70.40.0.0.90.50.70.71.00.70.30.20.0.0.20.20.20.1
total5.40.83.31.26.41.57.51.38.81.16.11.67.21.15.51.15.51.25.31.87.41.95.30.94.20.73.30.65.60.3
less stableto 20%8.00.911.72.025.82.724.42.123.41.72.30.94.80.93.60.90.60.42.91.42.71.21.40.51.30.41.00.37.50.3
21-40 %19.52.521.35.37.72.512.22.814.02.529.56.537.14.823.74.438.06.227.17.532.68.029.43.926.73.429.83.524.91.2
over 100%0.30.20.0.0.0.0.0.0.0.2.00.91.60.50.20.22.70.94.81.80.70.72.10.62.00.54.70.71.60.2
total27.91.533.03.033.42.936.62.437.42.033.83.043.42.127.52.241.32.734.84.036.13.632.91.829.91.635.61.634.00.6
stableto 20%20.01.423.92.737.93.030.92.331.21.98.11.78.11.29.91.53.41.02.11.21.71.00.60.34.40.72.20.512.60.4
21-40 %46.63.939.46.522.34.325.03.922.52.851.68.140.94.956.56.348.97.054.411.251.210.058.55.360.04.753.14.646.21.5
over 100%0.10.10.40.40.0.0.0.0.0.0.40.40.30.20.70.40.90.53.41.53.71.42.60.61.50.45.80.81.50.1
total66.71.663.73.160.13.055.92.553.82.060.13.249.42.167.02.353.22.759.94.156.53.761.81.965.91.761.11.760.30.6
totalto 20%29.61.535.93.169.32.860.62.460.42.011.92.113.61.513.41.74.01.15.11.84.41.52.60.65.80.83.40.621.70.4
21-40 %69.84.563.78.230.74.939.44.839.63.785.310.083.86.685.77.491.69.086.113.190.212.292.26.390.85.685.95.575.01.8
over 100%0.60.30.40.40.0.0.0.0.0.2.71.02.60.70.90.44.41.18.82.35.41.75.10.93.50.610.71.13.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793732/260064
NFI4
forest area
stand stability · slope (20% 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
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%0.30.20.90.61.30.81.40.61.30.50.70.70.80.40.0.0.0.1.01.00.0.0.20.20.80.30.20.20.60.1
21-40 %1.30.61.01.01.41.10.80.72.01.12.32.05.62.15.82.54.92.66.53.86.33.68.92.55.61.86.01.94.20.6
over 100%0.0.0.0.0.0.0.0.0.0.0.90.60.60.30.0.0.0.1.91.30.0.0.20.20.40.30.50.30.20.1
total1.60.51.91.02.71.12.30.83.30.83.81.47.01.25.81.34.91.49.42.86.32.19.31.36.71.06.71.05.00.3
less stableto 20%8.61.011.12.131.63.124.72.324.51.88.02.04.61.06.31.32.10.90.90.92.71.31.00.51.60.51.30.58.90.4
21-40 %23.63.226.96.310.73.418.73.919.13.044.08.741.15.540.06.349.18.142.911.651.111.041.25.236.24.548.45.134.11.5
over 100%0.40.20.0.0.0.0.0.0.0.1.60.91.70.61.10.53.11.16.32.33.51.62.50.72.30.66.81.02.00.2
total32.51.738.03.242.33.343.42.643.52.153.63.647.42.347.42.754.23.250.14.957.34.344.72.240.12.056.52.044.90.7
stableto 20%20.51.522.72.836.53.233.32.534.52.04.71.68.61.37.11.42.00.92.81.60.70.71.60.64.00.81.60.513.40.4
21-40 %45.44.137.06.618.44.121.03.718.72.737.97.836.64.939.65.838.07.237.810.635.19.742.75.348.45.032.54.336.01.5
over 100%0.0.0.50.50.0.0.0.0.0.0.0.0.40.30.0.0.80.60.0.0.60.61.70.60.80.42.70.60.70.1
total65.91.760.13.254.93.354.32.753.22.142.63.645.62.346.72.740.83.140.54.836.44.246.02.253.22.036.81.950.00.7
totalto 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793733/260065
NFI1
forest area
stand stability · slope (20% 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
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %±
n/ato 20%1.30.42.10.40.60.30.10.10.0.0.80.1
21-40 %3.01.01.00.45.01.34.81.12.61.33.50.5
over 100%0.0.0.0.0.10.10.10.10.30.20.10.0
total4.30.73.20.55.70.75.00.52.90.74.40.3
criticalto 20%0.80.35.20.70.70.30.30.10.20.21.50.2
21-40 %2.60.91.60.65.21.47.41.32.81.34.40.6
over 100%0.0.0.0.0.10.10.30.10.60.30.20.1
total3.40.66.80.76.00.78.00.73.60.76.00.3
less stableto 20%9.81.030.01.46.80.81.90.31.70.510.10.4
21-40 %28.53.016.82.042.93.740.92.940.34.733.91.5
over 100%0.10.10.0.1.40.42.30.46.61.01.80.2
total38.41.646.91.551.21.645.21.248.52.045.80.7
stableto 20%18.61.324.41.35.50.72.20.41.30.510.40.4
21-40 %34.93.218.72.131.13.238.12.941.34.832.51.4
over 100%0.30.20.0.0.50.21.50.32.40.60.90.1
total53.91.643.21.537.11.541.91.245.12.043.80.7
totalto 20%30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793734/260066
NFI4
forest area
stand stability · slope (20% classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%0.20.20.90.61.30.71.40.61.30.50.60.60.80.40.0.0.0.0.80.80.0.0.30.20.60.30.30.20.60.1
21-40 %1.30.61.01.01.41.10.80.71.91.13.42.55.72.16.02.45.32.67.03.76.83.59.12.47.11.96.21.74.70.6
over 100%0.0.0.0.0.0.0.0.0.0.0.80.60.60.30.0.0.40.42.31.30.0.0.40.30.40.30.50.30.30.1
total1.50.41.91.02.61.12.20.83.20.74.81.57.11.16.01.35.71.410.12.76.82.09.91.28.11.07.00.95.60.3
less stableto 20%8.61.011.32.131.53.024.92.324.71.87.91.95.01.06.51.32.20.91.51.12.41.20.90.41.60.51.40.48.50.3
21-40 %23.43.127.06.310.33.218.73.919.13.042.28.240.95.339.96.149.67.644.110.948.810.241.24.935.64.146.94.634.31.4
over 100%0.40.20.0.0.0.0.0.0.0.2.01.01.60.61.00.53.01.06.02.15.11.82.60.72.40.66.80.92.20.2
total32.41.738.33.241.83.243.62.643.82.152.03.547.52.247.42.654.72.951.74.456.44.044.62.139.61.855.11.844.90.6
stableto 20%21.61.522.72.837.53.133.22.534.22.04.31.58.31.36.91.32.10.93.01.51.20.81.40.53.70.71.60.512.80.4
21-40 %44.54.036.76.518.14.021.03.718.72.738.87.636.84.839.65.636.76.634.49.234.49.042.54.947.94.633.44.036.01.4
over 100%0.0.0.50.50.0.0.0.0.0.0.0.0.40.30.0.0.70.50.80.81.20.81.60.50.70.32.90.60.70.1
total66.11.759.83.255.63.254.22.753.02.143.13.545.42.246.52.639.62.938.24.336.83.945.52.152.21.937.81.749.50.6
totalto 20%30.51.634.83.270.23.059.52.660.22.112.92.314.11.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
21-40 %69.14.864.78.629.85.140.55.239.84.084.310.883.47.085.58.091.79.785.514.090.113.092.86.790.66.086.55.974.91.9
over 100%0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793735/260067
NFI4
forest area
stand stability · slope (20% classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%0.20.20.90.61.20.71.40.61.30.50.60.61.00.40.0.0.30.30.80.80.0.0.30.20.60.30.30.20.60.1
21-40 %1.30.61.01.01.41.10.80.72.11.13.32.55.72.05.82.35.42.68.03.86.33.39.12.36.91.86.41.74.70.5
over 100%0.0.0.0.0.0.0.0.0.0.0.80.60.50.30.0.0.30.32.21.30.60.60.70.30.50.30.60.30.40.1
total1.50.41.90.92.61.12.20.83.30.84.81.57.21.15.81.26.11.410.92.76.81.910.11.28.11.07.30.95.70.3
less stableto 20%8.81.011.12.131.43.025.02.324.61.87.81.95.01.06.31.32.10.81.51.02.21.10.80.41.50.41.40.48.30.3
21-40 %23.13.127.36.210.23.218.53.819.03.042.38.140.55.240.56.148.97.444.510.649.49.740.94.735.84.046.44.434.41.4
over 100%0.40.20.0.0.0.0.0.0.0.1.91.01.50.51.00.53.51.15.72.05.51.82.60.62.60.67.00.92.30.2
total32.31.738.53.241.63.243.52.643.72.152.03.547.02.247.82.654.52.951.64.357.13.944.32.040.01.854.81.744.90.6
stableto 20%21.71.522.32.837.73.133.52.534.02.04.31.48.31.27.01.32.00.82.91.41.10.81.80.53.60.71.70.512.60.4
21-40 %44.53.936.96.518.14.020.83.719.02.739.07.637.14.739.45.536.36.433.89.033.98.642.14.847.74.533.13.936.01.4
over 100%0.0.0.40.40.0.0.0.0.0.0.0.0.40.30.0.1.10.60.80.71.10.81.70.50.60.33.10.60.80.1
total66.21.759.73.255.83.254.32.653.02.143.33.545.82.246.32.639.42.837.54.136.03.745.62.052.01.838.01.749.40.6
totalto 20%30.71.634.33.270.33.059.82.659.92.112.62.314.31.613.31.84.41.25.11.83.31.33.00.75.70.83.40.621.40.5
21-40 %68.94.765.38.629.75.140.25.240.14.084.610.783.36.885.77.890.69.486.313.789.612.492.16.590.55.885.95.775.11.9
over 100%0.40.20.40.40.0.0.0.0.0.2.71.12.40.71.00.54.91.38.62.47.12.04.90.93.80.710.71.13.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793736/260068
NFI1
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %±
n/ato 20%1.40.42.30.40.80.30.20.10.30.21.00.1
21-40 %3.11.01.20.45.61.45.71.13.21.44.00.5
over 100%0.0.0.0.0.10.10.10.10.30.20.10.0
total4.60.73.50.56.50.85.90.63.80.75.10.3
criticalto 20%0.80.35.20.70.70.30.30.10.20.21.50.2
21-40 %2.60.91.60.65.31.47.21.32.61.24.30.5
over 100%0.0.0.0.0.10.10.40.10.80.30.20.1
total3.30.66.80.76.10.77.90.73.50.76.00.3
less stableto 20%9.70.929.71.36.70.81.80.31.60.59.90.4
21-40 %28.13.016.92.042.63.640.02.839.84.633.61.4
over 100%0.10.10.0.1.50.42.50.47.01.01.90.2
total37.91.546.51.550.81.644.41.248.42.045.40.7
stableto 20%19.31.324.61.35.30.72.30.41.40.510.40.4
21-40 %34.63.218.62.030.73.138.02.840.44.732.31.4
over 100%0.30.20.0.0.50.21.50.32.50.60.90.1
total54.21.643.21.536.61.541.81.244.31.943.60.7
totalto 20%31.31.561.81.413.51.14.60.53.40.722.70.5
21-40 %68.34.238.22.884.34.791.03.986.16.374.22.0
over 100%0.40.20.0.2.10.44.40.510.51.23.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793737/260069
NFI1
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %±
n/ato 20%1.50.32.30.30.90.20.30.10.20.11.00.1
21-40 %2.20.61.50.45.81.05.90.83.00.94.00.4
over 100%0.0.0.0.0.10.10.10.10.20.10.10.0
total3.70.43.80.46.80.56.30.43.40.55.10.2
criticalto 20%0.70.24.10.40.70.20.30.10.20.11.20.1
21-40 %2.10.51.30.45.81.07.60.93.00.94.40.4
over 100%0.00.00.0.0.10.10.50.10.80.20.30.0
total2.80.45.40.56.60.58.40.53.90.55.90.2
less stableto 20%10.30.729.91.06.40.51.80.21.70.49.90.3
21-40 %28.12.116.91.443.82.639.72.041.23.333.91.0
over 100%0.30.10.10.11.10.22.60.36.90.71.90.1
total38.71.147.01.051.41.144.00.949.81.445.80.5
stableto 20%20.10.925.00.95.50.52.30.32.10.410.70.3
21-40 %34.32.318.81.429.02.137.42.038.43.231.51.0
over 100%0.40.10.0.0.70.21.60.22.40.41.00.1
total54.71.143.81.035.21.041.30.942.91.443.20.5
totalto 20%32.61.161.41.013.60.74.70.44.10.522.90.3
21-40 %66.63.038.52.084.43.490.62.885.64.473.91.4
over 100%0.80.20.10.12.10.34.70.410.30.83.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793738/260070
NFI2
forest area
stand stability · slope (20% 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
stand stabilityslope (20% classes) %± %± %± %± %± %±
n/ato 20%0.0.0.40.20.40.20.0.0.0.0.20.1
21-40 %0.20.20.10.11.20.62.40.80.70.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total0.20.20.50.21.60.42.40.40.70.31.20.2
criticalto 20%0.60.33.10.50.70.30.50.20.20.21.10.1
21-40 %1.10.61.70.67.51.79.71.56.12.05.60.6
over 100%0.0.0.0.0.40.20.70.21.10.40.40.1
total1.70.44.70.68.60.910.90.87.41.17.10.3
less stableto 20%8.90.928.51.36.30.81.80.30.80.49.40.4
21-40 %25.73.013.91.842.63.743.63.037.84.633.31.5
over 100%0.30.20.0.1.40.42.30.45.20.91.60.2
total34.91.542.41.550.21.647.71.243.82.044.30.7
stableto 20%21.11.329.91.46.40.82.30.42.20.612.20.4
21-40 %42.03.422.52.232.83.235.52.842.44.934.21.5
over 100%0.10.10.0.0.40.21.20.33.70.80.90.1
total63.21.652.41.539.61.639.01.248.22.047.40.7
totalto 20%30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793739/260071
NFI2
forest area
stand stability · slope (20% 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
stand stabilityslope (20% classes) %± %± %± %± %± %±
n/ato 20%0.0.0.40.20.40.20.0.0.0.0.10.1
21-40 %0.20.20.10.11.30.62.30.70.60.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total0.20.20.40.21.60.42.30.40.60.31.20.1
criticalto 20%0.60.23.20.50.80.30.60.20.10.11.10.1
21-40 %1.10.61.60.67.31.69.51.46.11.95.60.6
over 100%0.0.0.0.0.40.20.70.21.30.40.40.1
total1.70.44.80.68.50.910.70.77.51.07.10.3
less stableto 20%9.00.928.21.36.20.82.00.30.90.49.20.4
21-40 %25.12.913.71.842.23.643.12.836.94.333.11.4
over 100%0.30.20.0.1.30.32.30.45.20.81.60.2
total34.31.542.01.449.71.547.41.243.01.943.90.7
stableto 20%22.11.330.11.36.40.82.40.42.40.612.20.4
21-40 %41.53.322.72.233.43.136.12.642.64.734.61.4
over 100%0.10.10.0.0.40.21.10.33.90.70.90.1
total63.71.552.81.440.21.539.61.248.81.947.70.7
totalto 20%31.71.561.91.413.81.15.00.53.40.722.60.5
21-40 %67.94.238.12.784.24.790.93.886.26.274.42.0
over 100%0.40.20.0.2.00.44.10.510.41.23.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793740/260072
NFI2
forest area
stand stability · slope (20% 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
stand stabilityslope (20% classes) %± %± %± %± %± %±
n/ato 20%0.0.0.30.20.30.20.0.0.0.0.10.0
21-40 %0.20.10.10.11.40.62.30.70.50.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total0.20.10.40.21.70.42.30.30.50.31.20.1
criticalto 20%0.50.23.10.50.70.20.50.20.10.11.00.1
21-40 %1.00.61.60.67.51.59.91.45.61.75.70.6
over 100%0.0.0.0.0.30.20.70.21.10.40.40.1
total1.50.44.70.68.50.811.20.76.90.97.20.3
less stableto 20%9.10.928.31.26.40.72.00.30.80.39.20.3
21-40 %25.72.713.71.742.43.442.62.737.44.133.21.3
over 100%0.30.20.0.1.40.32.40.35.00.81.70.2
total35.01.442.11.450.21.447.01.143.21.844.10.6
stableto 20%22.11.230.11.36.20.72.30.32.10.512.00.4
21-40 %41.03.122.82.033.12.936.02.543.64.434.61.3
over 100%0.10.10.0.0.40.21.20.23.70.70.90.1
total63.21.452.81.439.71.439.51.149.41.847.50.6
totalto 20%31.71.461.91.313.61.04.90.53.00.622.40.5
21-40 %67.94.038.12.684.34.490.93.687.15.874.61.8
over 100%0.40.20.0.2.10.44.20.49.91.13.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793741/260073
NFI3
forest area
stand stability · slope (20% 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %±
criticalto 20%1.30.45.20.70.50.20.30.10.0.1.50.2
21-40 %3.81.22.40.85.01.44.31.02.51.23.70.5
over 100%0.10.10.0.0.40.20.30.10.30.20.20.1
total5.20.77.60.85.90.74.90.52.80.75.50.3
less stableto 20%8.90.924.91.33.90.61.40.30.60.38.00.4
21-40 %19.22.512.21.731.73.330.12.630.14.124.71.3
over 100%0.20.10.0.1.30.42.20.44.80.91.50.2
total28.31.537.01.436.91.533.71.235.61.934.30.6
stableto 20%20.31.331.81.49.30.92.90.42.50.613.30.4
21-40 %46.03.723.62.247.53.856.83.454.35.545.81.7
over 100%0.10.10.0.0.50.21.70.34.80.91.20.1
total66.51.555.31.557.31.661.51.261.62.060.30.7
totalto 20%30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793742/260074
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %±
criticalto 20%1.40.45.50.70.50.20.20.10.0.1.50.2
21-40 %3.71.12.30.75.51.44.71.03.11.24.00.5
over 100%0.10.10.0.0.30.20.30.10.20.20.20.1
total5.20.77.80.86.30.75.20.53.40.75.70.3
less stableto 20%9.10.924.61.33.90.61.50.30.90.37.60.3
21-40 %18.92.412.31.731.13.129.52.329.73.724.71.2
over 100%0.20.10.0.1.30.32.20.34.70.81.60.2
total28.11.436.91.436.31.533.21.135.31.733.90.6
stableto 20%21.21.332.11.49.10.92.80.42.40.612.70.4
21-40 %45.43.623.22.147.83.756.73.153.44.946.21.6
over 100%0.10.10.0.0.50.22.10.35.50.81.50.2
total66.71.555.31.557.41.561.61.161.31.860.40.6
totalto 20%31.61.562.21.413.51.04.50.53.30.621.80.5
21-40 %68.04.237.82.784.34.790.83.786.25.874.91.9
over 100%0.40.20.0.2.20.44.70.510.51.13.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793743/260075
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %±
criticalto 20%1.40.45.40.70.50.20.20.10.0.1.50.2
21-40 %3.71.12.40.75.31.44.61.03.11.24.00.5
over 100%0.10.10.0.0.30.20.30.10.30.20.20.1
total5.20.77.80.86.10.75.20.53.30.75.60.3
less stableto 20%9.00.924.51.34.00.61.60.30.80.37.60.3
21-40 %18.92.412.21.731.23.229.42.329.63.724.61.2
over 100%0.20.10.0.1.30.32.20.34.60.81.60.2
total28.11.436.71.436.51.533.21.134.91.733.90.6
stableto 20%21.11.332.21.49.20.92.70.42.40.612.70.4
21-40 %45.53.623.32.247.83.756.93.153.94.946.31.6
over 100%0.10.10.0.0.50.22.00.35.40.81.40.2
total66.71.555.51.557.41.561.61.161.71.860.50.6
totalto 20%31.51.562.11.413.61.14.50.53.20.621.80.5
21-40 %68.14.237.92.884.34.791.03.786.55.974.91.9
over 100%0.40.20.0.2.10.44.50.510.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793744/260076
NFI4
forest area
stand stability · slope (20% 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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %±
criticalto 20%0.40.21.30.30.50.20.40.20.20.20.60.1
21-40 %1.20.61.50.75.01.46.71.26.01.94.20.6
over 100%0.0.0.0.0.50.20.30.10.50.30.20.1
total1.70.42.80.56.00.87.40.76.71.05.10.3
less stableto 20%9.10.925.91.35.70.71.60.31.30.58.80.4
21-40 %24.22.817.42.040.93.741.53.048.45.134.01.5
over 100%0.30.20.0.1.40.42.90.46.81.02.00.2
total33.61.543.21.548.11.645.91.256.52.044.80.7
stableto 20%21.01.334.61.47.50.82.60.41.60.513.40.4
21-40 %43.63.519.32.038.23.443.13.032.54.336.01.5
over 100%0.10.10.0.0.20.11.00.22.70.60.70.1
total64.71.554.01.545.91.646.61.236.81.950.10.7
totalto 20%30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793745/260077
NFI1
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%38.515.30.0.0.0.22.96.423.114.60.0...0.0.0.0.29.017.438.221.80.0...12.812.016.110.673.822.617.716.125.815.137.723.30.0.0.0.59.312.80.0.0.0.63.017.419.02.6
21-40 %61.515.3100.056.8100.0.75.019.576.939.6100.046.0..100.048.4100.033.271.017.461.841.9100.046.1..87.245.383.929.826.222.682.354.561.139.862.350.486.042.9100.069.040.726.0100.032.8100.067.237.025.879.39.9
over 100%0.0.0.0.0.0.2.12.10.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.13.112.20.0.14.09.20.0.0.0.0.0.0.0.0.0.1.70.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
criticalto 20%56.613.10.0...36.96.523.120.739.815.8..0.0.5.63.10.0.29.414.5100.0.0.0.0.0.24.78.90.0.35.820.30.0.69.423.66.76.425.922.543.88.50.0.27.925.659.611.924.42.4
21-40 %43.427.4100.0...61.218.776.946.060.238.5..100.034.289.021.3100.071.370.640.60.0.100.070.7100.050.275.332.0100.0.64.233.4100.049.730.623.675.037.374.145.256.222.591.624.572.155.240.423.872.58.4
over 100%0.0.0.0...1.91.90.0.0.0...0.0.5.43.00.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.18.39.60.0.0.0.8.44.60.0.0.0.3.11.0
total100.0.100.0...100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stableto 20%52.54.85.25.118.79.725.42.221.97.340.25.6100.0.5.23.64.11.025.45.728.44.020.26.97.37.214.94.716.73.331.410.133.64.98.43.676.06.24.01.30.0.31.53.55.41.742.714.156.94.522.10.8
21-40 %47.510.387.639.781.328.471.37.578.125.258.814.20.0.92.223.489.88.374.618.671.612.579.820.565.337.583.821.380.313.768.619.466.414.284.820.324.08.682.110.790.924.467.910.890.411.557.330.843.18.474.03.0
over 100%0.0.7.27.10.0.3.30.90.0.1.11.10.0.2.62.66.01.30.0.0.0.0.0.27.412.31.31.33.01.50.0.0.0.6.83.30.0.13.92.39.14.40.60.64.21.50.0.0.0.3.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stableto 20%46.64.914.513.52.92.927.22.539.07.449.84.966.728.94.34.27.71.628.04.515.34.534.24.85.55.55.63.823.04.547.69.223.56.311.24.459.17.13.21.10.0.49.13.41.60.825.113.248.55.123.80.9
21-40 %53.410.285.556.497.122.371.58.158.616.848.711.233.328.986.928.188.89.371.013.884.717.764.812.694.542.990.430.477.017.152.415.776.520.284.720.440.911.491.910.6100.038.350.58.093.910.374.927.951.512.074.13.1
over 100%0.0.0.0.0.0.1.20.62.42.41.41.40.0.8.86.03.41.11.01.00.0.0.90.90.0.4.03.90.0.0.0.0.0.4.12.80.0.4.81.40.0.0.40.44.51.30.0.0.0.2.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%49.63.37.05.08.13.926.81.530.94.942.43.387.512.43.92.25.50.826.83.424.52.930.13.96.04.311.23.119.52.441.66.630.03.810.22.666.74.63.60.81.51.542.12.32.80.731.79.253.93.222.90.5
21-40 %50.46.988.931.591.920.370.95.167.914.356.48.712.512.492.118.289.75.972.610.775.59.869.210.780.727.586.916.778.910.058.411.670.011.384.213.333.37.086.87.392.719.657.56.292.77.268.321.146.16.874.22.0
over 100%0.0.4.14.10.0.2.30.51.31.31.10.80.0.3.92.24.80.80.60.60.0.0.70.713.36.51.81.31.60.80.0.0.0.5.62.10.0.9.61.35.82.90.40.34.50.90.0.0.0.2.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793746/260078
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