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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%1.60.80.0.0.0.1.30.41.91.40.0.0.0.0.0.0.0.1.20.91.00.70.0.0.0.1.11.10.70.55.33.00.80.81.71.11.30.90.0.0.0.2.00.70.0.0.0.2.21.00.80.1
21-40 %2.61.111.18.91.91.94.11.26.54.26.13.40.0.8.75.73.51.33.01.31.61.33.52.30.0.7.44.73.91.81.91.93.62.83.92.92.22.22.31.33.13.11.40.95.01.97.17.11.31.03.50.5
over 100%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.40.30.0.0.0.0.0.0.0.0.0.0.10.0
total4.21.311.16.21.91.95.50.88.42.96.11.70.0.8.73.53.50.74.21.62.51.13.51.60.0.8.53.04.61.47.23.54.41.76.42.23.61.82.70.73.12.23.30.85.01.07.15.13.51.24.40.3
criticalto 20%3.41.20.0.0.0.2.50.61.01.02.01.00.0.0.0.0.40.20.0.1.50.80.70.70.0.0.0.2.30.90.0.1.41.00.0.2.81.40.20.21.51.53.30.80.0.2.82.84.01.21.50.2
21-40 %2.61.84.14.10.0.4.21.43.22.63.02.20.0.10.85.26.71.81.21.23.52.30.0.7.37.36.34.26.93.33.42.42.41.66.43.91.21.22.41.44.43.44.31.96.82.27.17.12.71.74.40.6
over 100%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.30.0.0.0.0.60.40.0.0.0.0.20.1
total6.01.64.14.10.0.6.90.94.12.15.01.60.0.10.83.67.51.01.20.85.01.50.70.77.35.16.32.59.21.93.42.43.81.56.42.24.01.83.20.85.92.97.61.37.51.29.85.66.71.66.00.3
less stableto 20%24.22.83.03.06.33.512.21.27.92.916.02.762.518.22.61.82.10.58.92.217.12.64.81.83.63.58.62.88.81.812.14.420.83.33.81.635.84.61.80.60.0.12.51.62.00.619.67.828.32.910.20.4
21-40 %21.95.049.624.327.211.734.33.828.110.023.46.00.0.46.613.144.84.526.37.143.28.019.15.831.719.248.813.342.17.726.48.841.19.237.89.911.34.336.65.158.316.726.84.634.24.826.315.221.44.534.01.5
over 100%0.0.4.14.10.0.1.60.40.0.0.40.40.0.1.31.33.00.60.0.0.0.0.0.13.36.50.80.81.60.80.0.0.0.3.01.50.0.6.21.15.82.90.20.21.60.60.0.0.0.1.80.2
total46.03.356.79.933.47.548.11.836.05.139.83.662.518.250.65.949.81.935.23.760.33.524.03.648.59.058.25.352.43.238.66.561.94.044.64.447.14.944.62.264.16.039.62.337.82.245.99.749.73.346.00.7
stableto 20%20.32.64.14.11.91.910.81.120.14.324.53.025.016.21.31.33.00.616.62.94.91.524.63.72.42.41.51.07.81.724.25.87.02.14.81.926.74.21.60.60.0.24.32.00.80.49.35.219.52.610.40.4
21-40 %23.34.924.117.662.816.328.33.430.29.223.95.812.512.426.09.834.84.042.28.627.36.446.69.441.820.824.59.526.16.326.68.622.96.736.19.518.55.645.55.626.811.725.04.146.65.527.912.220.75.132.31.4
over 100%0.0.0.0.0.0.0.50.21.31.30.70.70.0.2.61.91.30.40.60.60.0.0.70.70.0.1.11.10.0.0.0.0.0.1.81.20.0.2.40.70.0.0.20.22.20.70.0.0.0.0.90.1
total43.73.228.28.864.77.539.51.751.55.249.13.637.518.229.95.539.21.859.43.832.23.371.83.844.28.627.14.833.83.150.96.630.03.742.64.445.34.849.52.226.85.549.52.449.62.237.28.840.13.243.60.7
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 #793697/260029
NFI1
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%1.60.80.0.0.0.1.20.41.91.40.50.50.0.1.51.40.0.1.20.81.40.80.0.0.0.1.11.11.10.65.33.00.80.81.61.11.30.90.40.30.0.2.30.70.0.0.0.2.51.01.00.1
21-40 %3.01.111.18.91.91.94.31.27.34.36.93.50.0.8.45.54.21.52.91.31.51.23.42.20.0.8.34.85.82.11.91.93.62.86.74.32.22.23.21.53.03.01.51.06.22.16.96.81.31.04.10.5
over 100%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.40.30.0.0.0.0.0.0.0.0.0.0.10.0
total4.61.411.16.21.91.95.70.89.33.07.41.90.0.9.93.64.20.74.11.52.91.23.41.50.0.9.33.16.81.67.23.54.31.79.12.43.51.83.90.83.02.13.90.96.21.16.94.93.81.25.10.3
criticalto 20%3.31.20.0.0.0.2.40.50.90.92.01.00.0.0.0.0.40.20.0.1.40.80.70.70.0.0.0.2.10.90.0.1.31.00.0.2.81.30.20.22.71.93.40.80.0.2.72.73.91.21.40.2
21-40 %2.61.84.14.10.0.4.41.43.22.53.02.10.0.10.45.16.51.81.11.13.42.20.0.7.07.06.14.06.93.23.42.42.41.66.83.81.21.22.31.34.13.24.11.86.72.16.96.82.61.74.30.6
over 100%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.70.40.0.0.0.0.60.30.0.0.0.0.20.1
total5.91.54.14.10.0.7.00.94.12.14.91.50.0.10.43.57.30.91.10.84.81.50.70.77.04.96.12.59.51.93.42.43.71.56.82.24.01.83.20.86.82.97.61.27.31.19.55.46.51.56.00.3
less stableto 20%23.82.83.03.06.33.511.91.17.82.815.72.762.518.22.51.82.00.58.62.116.42.54.71.83.43.48.42.78.21.712.14.421.73.33.51.535.64.61.70.60.0.12.01.51.90.619.07.628.32.89.90.4
21-40 %21.55.049.624.327.211.734.13.827.89.922.95.90.0.45.212.744.14.425.36.943.47.818.55.634.119.348.512.940.77.326.48.840.69.137.79.711.34.236.14.959.416.326.54.533.34.628.615.621.64.433.71.5
over 100%0.0.4.14.10.0.1.80.50.0.0.40.40.0.1.31.33.30.60.0.0.0.0.0.12.86.21.51.01.90.80.0.0.0.2.81.40.0.6.61.15.52.70.20.21.50.50.0.0.0.1.90.2
total45.33.256.79.933.47.547.81.735.65.139.03.562.518.249.05.849.31.833.93.659.93.423.23.550.48.858.45.250.73.138.66.562.33.944.14.246.84.844.42.264.95.838.82.336.72.147.69.649.93.245.50.7
stableto 20%21.32.74.14.11.91.910.81.119.94.324.03.025.016.22.82.02.90.617.82.94.71.427.03.72.32.31.51.07.31.624.25.87.02.14.51.827.24.21.70.60.0.24.52.00.90.49.05.118.92.510.40.4
21-40 %22.94.824.117.662.816.328.33.429.99.124.05.812.512.425.29.534.83.942.48.527.76.345.19.240.320.123.79.225.76.126.68.622.76.734.09.018.45.644.55.425.411.125.04.146.55.427.011.920.95.132.11.4
over 100%0.0.0.0.0.0.0.50.21.21.20.70.70.0.2.51.81.40.40.60.60.0.0.70.70.0.1.11.10.0.0.0.0.0.1.71.20.0.2.30.70.0.0.20.22.30.70.0.0.0.0.90.1
total44.23.228.28.864.77.539.51.751.05.248.63.637.518.230.65.439.11.860.83.732.43.272.73.742.68.426.24.733.02.950.96.629.63.740.14.345.64.848.52.225.45.349.72.349.82.236.08.739.93.143.40.7
totalto 20%50.03.27.05.08.13.926.41.530.64.942.13.387.512.46.83.05.30.827.63.424.02.932.33.95.84.110.93.018.72.341.66.630.83.89.62.466.94.64.00.82.71.942.42.32.90.730.79.053.63.222.70.5
21-40 %50.06.888.931.591.920.371.15.168.214.256.88.612.512.489.317.789.65.871.810.576.09.667.010.481.427.386.616.479.09.758.411.669.211.285.113.133.17.086.17.191.818.957.26.192.77.069.320.646.46.774.22.0
over 100%0.0.4.14.10.0.2.50.51.21.21.10.80.0.3.82.25.10.80.60.60.0.0.70.712.86.22.51.52.30.90.0.0.0.5.32.00.0.10.01.35.52.70.40.34.40.90.0.0.0.3.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793698/260030
NFI1
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%2.20.70.0.0.0.1.40.31.40.81.00.50.0.1.30.90.20.11.20.62.10.70.30.31.41.41.10.80.70.45.22.10.30.31.30.72.31.00.20.10.0.2.00.50.20.10.0.2.10.71.00.1
21-40 %2.10.86.45.26.54.03.80.94.52.45.32.23.73.711.55.13.80.92.71.22.61.33.21.77.04.35.42.85.72.00.90.92.11.58.33.41.51.23.31.16.74.12.00.96.91.65.24.22.01.04.00.4
over 100%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.1.41.40.0.0.0.0.0.0.0.0.40.40.0.0.30.20.0.0.0.0.10.10.0.0.0.0.10.0
total4.30.96.43.76.52.95.30.55.91.66.31.23.73.712.92.84.00.53.81.04.71.03.51.19.93.46.51.86.51.16.12.22.40.910.01.83.81.33.70.66.72.23.90.67.20.85.23.04.10.95.10.2
criticalto 20%2.70.70.0.0.0.2.10.41.00.72.30.80.0.0.0.0.30.10.30.31.10.50.30.30.0.0.0.1.70.60.90.91.70.80.80.52.10.90.20.11.51.02.30.50.10.15.63.22.70.71.20.1
21-40 %2.71.26.75.01.11.14.41.01.51.24.22.00.0.10.14.27.31.30.60.63.11.40.0.6.75.08.93.96.92.32.61.53.21.66.12.60.50.52.50.95.73.93.81.26.71.63.73.71.50.94.40.4
over 100%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.50.20.0.0.0.0.30.30.0.0.0.0.40.30.0.0.0.0.80.60.0.0.60.22.11.20.0.0.60.20.0.0.0.0.30.1
total5.41.06.73.81.11.16.70.62.51.16.51.20.0.10.12.58.20.70.90.54.20.90.70.56.72.98.92.19.01.33.51.74.91.27.61.62.61.03.30.59.32.56.10.87.40.89.33.94.20.95.90.2
less stableto 20%27.52.05.02.94.62.212.20.89.92.215.01.844.09.72.01.12.30.410.61.714.21.65.01.31.31.36.31.87.91.215.73.319.12.23.81.234.43.21.60.40.70.712.31.11.60.414.74.729.52.09.90.3
21-40 %22.63.647.116.923.98.835.72.827.16.826.54.73.73.741.59.544.53.124.94.941.25.518.44.133.912.946.09.142.55.324.96.840.56.439.37.213.73.838.23.555.011.325.43.131.63.242.312.719.73.134.01.0
over 100%0.0.3.32.30.0.1.90.30.50.50.50.30.0.1.30.93.20.50.30.30.50.30.30.36.62.90.80.60.90.40.0.1.00.62.71.00.0.6.10.78.42.40.40.21.60.40.0.0.0.1.90.1
total50.12.355.47.128.55.149.81.237.53.542.02.547.79.844.84.150.01.335.82.655.92.423.82.541.95.753.13.851.42.240.64.660.62.845.83.148.13.445.91.564.14.138.11.634.81.557.06.749.22.245.80.5
stableto 20%20.01.87.63.89.33.210.20.719.62.919.92.033.69.33.51.52.50.417.82.18.91.428.82.61.31.32.51.16.21.025.24.17.21.44.01.229.13.12.60.50.0.26.31.41.20.36.73.319.91.810.70.3
21-40 %20.23.023.912.354.613.227.42.434.07.224.54.314.99.926.17.634.02.741.46.126.24.342.56.437.313.227.37.126.54.324.65.925.04.931.86.316.44.042.03.718.46.925.42.846.83.921.87.922.63.531.51.0
over 100%0.0.0.0.0.0.0.70.20.60.60.80.50.0.2.71.31.20.30.30.30.0.0.70.52.92.01.81.00.40.30.0.0.0.0.80.60.0.2.50.51.41.00.10.12.70.50.0.0.0.1.00.1
total40.22.231.56.363.95.438.31.254.13.545.32.548.59.832.23.937.81.259.52.735.22.372.02.741.55.731.53.533.12.149.84.632.22.636.63.045.53.447.11.519.83.451.91.650.61.628.55.942.52.243.10.5
totalto 20%52.52.312.64.613.93.725.91.131.83.438.22.377.68.26.82.15.40.629.82.526.42.134.52.74.02.39.92.216.61.647.04.628.32.59.81.867.93.24.60.62.11.242.91.63.10.527.15.954.12.222.90.4
21-40 %47.54.784.120.986.115.671.43.667.19.760.56.522.412.289.212.689.64.169.67.573.26.864.17.485.018.887.511.881.76.953.08.770.77.985.59.632.15.485.94.985.913.356.64.392.05.072.915.245.94.673.91.4
over 100%0.0.3.32.30.0.2.80.41.10.81.30.60.0.4.01.65.00.60.60.40.50.31.40.711.03.72.61.21.80.60.0.1.00.64.71.30.0.9.50.912.02.80.50.25.00.70.0.0.0.3.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793699/260031
NFI2
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
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.40.40.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.1.00.70.0.0.0.0.80.80.40.40.0.0.0.0.70.71.21.20.0.0.0.0.0.0.0.0.0.0.0.0.10.1
21-40 %0.0.0.0.5.13.70.90.60.0.0.0.0.0.2.62.61.70.80.0.0.50.51.01.03.83.72.22.23.01.90.0.0.0.4.03.50.0.0.60.43.13.10.70.61.91.20.0.0.0.1.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
criticalto 20%2.61.00.0.1.91.91.20.41.01.02.51.10.0.1.31.30.10.10.0.3.41.31.61.10.0.0.0.1.30.71.51.51.91.11.71.21.41.00.20.21.51.50.90.40.40.30.0.1.70.81.10.1
21-40 %1.20.70.0.6.95.64.61.51.41.44.82.40.0.11.26.48.32.02.32.010.74.40.70.711.07.72.12.16.53.30.0.1.30.98.95.11.91.46.52.324.910.53.71.58.72.55.55.51.21.05.60.6
over 100%0.0.0.0.0.0.0.10.10.0.0.40.40.0.1.31.30.80.30.0.0.0.0.0.9.75.70.0.0.0.0.0.0.0.0.90.90.0.0.80.43.02.10.0.0.60.40.0.0.0.0.40.1
total3.81.30.0.8.84.55.90.82.31.77.71.80.0.13.84.19.31.12.31.114.22.52.21.320.87.32.11.57.81.81.51.53.21.411.52.93.31.77.51.229.55.64.61.09.71.35.53.72.91.17.10.3
less stableto 20%19.92.67.05.06.33.512.61.29.73.220.13.012.512.42.61.82.20.510.32.412.22.34.81.80.0.6.12.58.11.712.84.513.62.84.61.828.74.11.00.50.0.17.21.80.80.414.26.820.12.69.30.4
21-40 %17.04.772.629.643.416.430.73.711.67.130.37.00.0.49.913.240.84.330.97.845.97.621.87.234.118.957.914.141.67.714.96.721.76.931.28.910.84.440.65.443.413.823.64.243.45.320.211.018.84.933.21.5
over 100%0.0.4.14.10.0.1.70.50.0.0.70.70.0.2.71.82.40.60.60.60.0.0.70.70.0.1.81.31.60.80.0.0.0.3.31.60.0.5.01.01.51.50.40.32.00.60.0.0.0.1.60.2
total36.93.183.77.449.68.045.01.821.34.451.13.712.512.455.16.045.51.841.83.858.13.527.33.834.18.865.85.051.43.227.66.035.33.939.04.439.44.646.72.244.96.041.22.346.12.234.48.838.93.144.10.7
stableto 20%26.72.90.0.0.0.12.81.220.24.219.92.875.016.20.0.3.20.716.52.87.81.923.73.66.04.34.42.09.71.827.35.914.42.83.31.635.44.62.40.70.0.24.02.01.70.617.57.032.13.012.30.4
21-40 %32.15.316.310.736.513.434.73.754.911.521.44.712.512.428.511.838.94.339.48.118.45.545.78.231.919.124.79.727.76.443.510.547.19.440.110.020.75.939.05.321.211.429.54.638.85.142.618.726.05.134.31.5
over 100%0.0.0.0.0.0.0.50.31.31.30.0.0.0.0.0.1.50.50.0.0.0.0.0.3.63.50.0.0.0.0.0.0.0.1.51.10.0.3.80.91.31.30.0.1.90.60.0.0.0.0.90.1
total58.83.216.37.436.57.748.01.876.44.641.33.687.512.428.55.543.61.855.93.826.33.169.43.941.49.229.14.837.43.170.86.161.53.944.84.556.14.545.22.222.55.153.52.442.42.260.18.558.23.247.50.7
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 #793700/260032
NFI2
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.40.40.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.1.00.70.0.0.0.0.70.70.40.40.0.0.0.0.60.61.21.20.0.0.0.0.0.0.0.0.0.0.0.0.10.0
21-40 %0.0.0.0.5.13.70.90.50.0.0.0.0.0.2.42.41.60.70.0.0.50.51.01.03.43.42.12.13.11.80.0.0.0.3.73.30.0.0.60.32.72.70.60.51.91.20.0.0.0.1.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
criticalto 20%2.51.00.0.1.91.91.30.40.90.92.41.10.0.1.21.20.30.20.0.3.31.21.51.10.0.0.0.1.10.61.51.51.91.11.61.11.41.00.20.21.31.31.00.50.40.30.0.2.00.91.10.1
21-40 %1.20.70.0.6.95.64.51.41.31.34.52.30.0.10.35.98.62.02.21.910.84.30.60.610.07.02.02.06.63.10.0.1.81.19.04.91.91.46.32.124.49.53.41.48.12.38.56.81.21.05.60.6
over 100%0.0.0.0.0.0.0.10.10.0.0.40.40.0.1.21.20.70.30.0.0.0.0.0.8.85.20.0.0.30.30.0.0.0.0.80.80.0.1.00.42.71.80.0.0.60.30.0.0.0.0.40.1
total3.71.20.0.8.84.55.90.82.31.67.31.80.0.12.73.89.71.02.21.114.12.42.21.318.86.72.01.58.11.71.51.53.71.511.42.83.21.77.51.128.45.24.51.09.01.28.54.83.21.17.10.3
less stableto 20%19.72.57.05.06.33.512.71.111.53.419.62.911.111.13.92.22.00.510.52.411.72.24.61.70.0.5.72.38.01.612.84.514.42.85.01.828.34.11.10.42.51.816.51.70.70.413.76.519.62.59.10.4
21-40 %16.54.672.629.643.416.430.93.612.27.129.76.80.0.51.014.040.34.030.07.645.37.421.06.930.917.258.113.739.77.114.96.721.26.830.58.610.64.340.15.139.412.323.84.143.25.119.610.718.74.833.01.4
over 100%0.0.4.14.10.0.1.70.40.0.0.70.70.0.2.51.72.40.50.60.60.0.0.60.60.0.1.71.22.20.90.0.0.0.3.01.50.0.5.10.92.61.80.40.31.80.60.0.0.0.1.60.2
total36.33.183.77.449.68.045.21.723.74.550.03.611.111.157.35.844.61.741.13.857.03.526.33.630.98.165.64.949.93.127.66.035.63.838.54.238.94.646.32.144.55.640.72.345.82.133.38.438.33.143.80.7
stableto 20%27.62.90.0.0.0.12.81.219.64.120.42.877.814.70.0.3.20.616.62.87.51.825.83.65.43.95.22.19.51.727.35.914.72.83.01.536.24.62.50.71.21.124.62.01.70.616.96.931.83.012.30.4
21-40 %32.05.216.310.736.513.434.63.653.211.222.34.711.111.127.611.339.34.040.08.020.05.544.77.938.219.224.49.329.16.143.510.546.09.241.39.920.45.839.45.022.110.829.54.439.75.041.218.226.65.134.71.4
over 100%0.0.0.0.0.0.0.50.21.21.20.0.0.0.0.0.1.60.40.0.0.0.0.0.3.23.20.0.0.0.0.0.0.0.1.41.00.0.3.80.81.21.10.0.1.70.60.0.0.0.0.90.1
total59.63.116.37.436.57.747.91.774.04.742.73.588.911.127.65.244.11.756.63.827.53.170.53.846.88.829.74.738.63.070.86.160.73.845.74.356.74.545.72.124.44.954.22.343.22.158.28.658.53.147.90.7
totalto 20%50.23.27.05.08.13.926.91.532.14.942.33.288.911.15.12.55.50.827.23.423.42.832.03.95.43.911.73.119.02.341.66.631.03.710.22.567.14.63.80.85.02.442.22.22.80.730.79.053.43.222.60.5
21-40 %49.86.788.931.591.920.370.95.066.713.956.68.511.111.191.217.689.85.672.310.576.69.667.310.482.526.786.616.278.49.458.411.669.011.184.612.932.96.986.37.088.618.057.46.093.07.069.320.646.66.774.42.0
over 100%0.0.4.14.10.0.2.20.51.21.21.10.80.0.3.62.14.70.70.60.60.0.0.60.612.15.91.71.22.61.00.0.0.0.5.21.90.0.9.91.36.42.80.40.34.20.90.0.0.0.3.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793701/260033
NFI2
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ato 20%0.40.40.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.90.70.0.0.0.0.70.70.40.40.0.0.0.0.50.51.21.20.0.0.0.0.0.0.0.0.0.0.0.0.10.0
21-40 %0.0.0.0.4.53.30.80.50.0.0.0.0.0.4.13.51.60.70.0.0.40.40.90.95.94.01.91.93.92.20.0.0.0.3.32.90.0.0.50.33.52.80.60.41.91.10.0.0.0.1.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
criticalto 20%2.30.90.0.1.61.61.30.40.80.82.51.00.0.1.01.00.30.20.0.3.71.21.30.90.0.0.0.1.00.61.41.41.71.01.30.91.20.80.20.21.11.10.90.40.50.30.0.1.90.81.00.1
21-40 %1.10.70.0.6.14.94.81.41.31.34.52.50.0.8.95.09.21.92.01.710.44.00.60.615.011.12.72.76.62.90.0.1.60.99.44.61.81.45.81.924.78.83.21.28.42.27.25.81.00.85.70.6
over 100%0.0.0.0.0.0.0.10.10.0.0.40.40.0.0.90.90.70.30.0.0.0.0.0.7.54.40.0.0.30.30.0.0.0.0.70.70.0.0.90.42.21.60.20.20.70.30.0.0.0.0.40.1
total3.51.10.0.7.63.96.10.82.21.67.41.70.0.10.83.310.11.02.01.014.12.31.91.122.56.42.71.67.91.61.41.43.31.311.42.63.01.66.91.028.04.74.30.99.61.27.24.12.91.07.20.3
less stableto 20%19.72.49.25.25.43.112.51.110.43.020.32.79.19.03.52.02.00.511.22.313.02.24.81.70.0.5.12.18.51.615.94.614.72.74.31.626.73.91.00.42.11.516.91.61.00.411.45.519.82.39.20.4
21-40 %17.44.474.127.148.916.331.33.414.67.229.46.40.0.50.113.040.93.831.47.344.27.419.96.328.915.358.212.937.26.416.76.822.86.631.88.311.44.340.04.838.411.323.53.842.04.723.511.217.94.433.11.3
over 100%0.0.3.23.20.0.1.50.40.0.0.60.60.0.3.21.82.50.50.50.50.0.0.60.60.0.1.61.22.50.90.0.0.0.2.71.30.0.5.00.92.21.50.60.32.00.60.0.0.0.1.70.2
total37.13.086.66.254.37.545.31.625.04.450.33.49.19.056.85.345.41.643.13.657.23.325.33.428.97.265.04.648.22.932.55.937.53.638.84.038.04.546.02.042.75.041.02.145.02.034.97.737.72.943.90.6
stableto 20%27.82.80.0.0.0.13.11.118.03.719.42.681.812.10.0.2.80.515.52.67.81.726.23.44.63.34.92.09.41.625.85.514.32.62.71.336.54.52.30.62.01.424.31.81.80.517.26.532.42.812.10.4
21-40 %31.24.913.48.833.612.634.23.453.810.823.05.19.19.028.310.738.73.839.47.619.55.145.87.535.417.524.08.729.95.840.29.744.98.642.19.221.25.840.64.821.59.629.94.140.04.740.716.827.04.734.61.3
over 100%0.0.0.0.0.0.0.40.21.11.10.0.0.0.0.0.1.40.40.0.0.0.0.0.2.72.70.90.90.30.30.0.0.0.1.20.80.0.3.70.82.31.60.0.1.70.50.0.0.0.0.90.1
total59.13.013.46.233.67.147.71.672.94.542.43.390.99.028.34.942.91.655.03.627.32.972.03.542.78.129.84.439.62.866.16.059.23.746.04.057.74.446.62.025.84.654.22.143.62.057.98.159.42.947.60.6
totalto 20%50.33.19.25.27.03.427.01.429.24.542.23.090.99.04.52.25.10.726.73.225.52.832.33.74.63.310.72.819.32.243.16.230.73.58.82.265.64.53.40.75.32.342.22.13.30.728.68.154.12.922.50.5
21-40 %49.76.487.628.593.019.470.94.869.713.556.88.29.19.091.316.590.35.372.810.074.59.167.19.685.225.186.815.177.68.856.911.069.310.586.612.134.46.986.96.688.116.157.15.692.46.571.419.445.96.274.61.9
over 100%0.0.3.23.20.0.2.00.51.11.11.00.70.0.4.12.04.60.70.50.50.0.0.60.610.25.02.61.53.11.00.0.0.0.4.61.70.0.9.71.26.72.70.70.44.30.80.0.0.0.3.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793702/260034
NFI3
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
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%2.91.10.0.0.0.0.50.21.01.01.20.80.0.0.0.0.10.14.21.65.91.70.0.0.0.1.11.12.71.00.0.2.91.50.0.4.52.00.0.0.0.3.20.80.60.44.34.34.51.31.50.2
21-40 %1.71.20.0.1.91.93.01.14.83.72.82.30.0.6.63.93.81.33.62.16.02.80.70.717.111.98.15.16.83.33.83.75.23.75.33.42.51.71.71.24.03.92.71.44.81.72.82.84.62.23.70.5
over 100%0.0.0.0.0.0.0.30.20.0.0.40.40.0.2.61.90.10.10.0.0.0.0.70.710.96.00.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.20.20.0.0.0.0.20.1
total4.61.40.0.1.91.93.70.75.82.34.41.40.0.9.23.34.10.77.82.111.92.31.30.927.98.09.23.19.51.93.82.68.12.35.31.97.02.41.90.64.02.25.91.15.71.07.15.19.11.85.50.3
less stableto 20%19.62.60.0.4.43.110.31.115.63.920.72.90.0.3.92.21.20.44.11.510.22.16.92.33.63.52.71.66.21.514.34.710.02.41.51.126.44.30.80.41.51.513.01.61.40.56.04.321.02.78.10.4
21-40 %18.54.83.03.024.010.228.03.523.69.621.15.90.0.48.613.927.33.723.36.631.26.912.74.651.323.029.410.718.45.317.47.616.05.635.19.411.64.529.94.637.211.818.03.728.14.42.82.817.24.624.71.3
over 100%0.0.0.0.0.0.2.00.50.0.0.70.70.0.0.0.2.60.60.60.60.0.0.0.2.42.40.80.80.50.50.0.0.0.3.01.50.0.4.40.94.42.50.40.31.80.60.0.0.0.1.50.2
total38.13.23.03.028.47.340.31.739.25.242.53.60.0.52.65.931.01.728.03.541.43.519.53.457.39.332.94.925.12.831.76.225.93.539.64.338.04.735.12.143.16.231.42.231.22.18.84.938.23.234.30.6
stableto 20%27.12.97.05.03.72.616.01.314.33.720.52.987.512.40.0.4.20.718.43.08.31.923.23.72.42.47.52.610.61.927.35.917.13.18.72.535.84.62.90.70.0.25.92.10.80.421.38.128.42.913.30.4
21-40 %30.25.485.931.266.019.339.94.039.510.232.56.612.512.436.913.358.65.045.79.138.37.555.910.112.410.649.413.253.78.537.29.348.99.743.810.319.35.755.26.251.416.336.85.159.86.162.820.824.45.145.71.7
over 100%0.0.4.14.10.0.0.10.11.31.30.0.0.0.1.31.32.10.50.0.0.0.0.0.0.0.1.11.11.10.60.0.0.0.2.61.50.0.5.01.01.51.50.0.2.50.70.0.0.0.1.20.1
total57.33.297.03.069.77.456.01.855.05.353.13.7100.0.38.35.764.91.864.13.746.73.679.13.514.86.257.95.065.43.164.56.366.03.955.14.455.04.963.02.252.96.362.72.363.12.184.16.852.73.260.20.7
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 #793703/260035
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%2.81.10.0.0.0.0.50.20.90.91.20.80.0.0.0.0.10.14.21.55.71.60.70.70.0.1.01.02.50.90.0.2.91.40.0.6.92.40.0.0.0.3.10.80.50.34.14.04.51.31.50.2
21-40 %1.71.20.0.1.91.93.21.24.63.53.32.40.0.7.13.84.51.33.52.06.52.80.70.721.612.17.74.86.23.03.83.75.73.85.43.22.41.62.21.26.95.42.51.34.61.76.64.84.52.24.00.5
over 100%0.0.0.0.0.0.0.20.20.0.0.40.40.0.2.41.70.10.10.0.0.0.0.70.79.55.30.0.0.0.0.0.0.0.0.0.0.0.0.20.21.31.30.0.0.20.20.0.0.0.0.20.1
total4.51.30.0.1.91.93.90.75.52.24.81.50.0.9.53.24.70.77.72.112.22.32.01.131.17.98.82.98.71.73.82.68.52.35.41.99.32.62.30.68.12.95.61.15.30.910.76.09.01.85.70.3
less stableto 20%19.22.60.0.4.43.110.11.015.93.820.42.90.0.4.72.31.10.34.11.510.02.16.72.23.13.12.61.56.11.414.34.79.82.41.30.925.84.20.90.43.62.013.01.51.40.55.64.020.82.67.70.3
21-40 %18.64.72.82.824.010.227.93.422.69.220.75.70.0.46.413.026.93.323.56.730.96.812.34.447.420.829.110.318.55.217.47.616.25.531.48.411.34.329.44.133.110.017.53.529.04.25.13.417.04.524.61.2
over 100%0.0.0.0.0.0.1.90.50.0.1.20.80.0.0.0.2.80.60.60.60.0.0.0.2.12.10.70.70.50.50.0.0.0.3.51.50.0.4.10.83.62.00.40.32.10.60.0.0.0.1.60.2
total37.83.12.82.828.47.339.91.738.45.142.33.50.0.51.15.630.81.628.23.540.93.519.03.452.68.832.34.725.12.731.76.226.03.536.13.937.04.634.51.940.25.530.92.132.51.910.85.037.73.233.90.6
stableto 20%27.92.96.84.93.72.615.71.314.83.720.22.889.510.50.0.4.00.718.73.08.11.923.93.62.12.18.12.610.11.827.35.917.33.18.52.334.94.52.70.70.0.25.82.00.70.319.97.628.52.912.70.4
21-40 %29.75.386.430.466.019.340.34.040.010.032.76.510.510.538.312.758.34.645.59.038.87.555.19.914.110.549.712.753.58.137.29.348.19.646.99.918.85.655.25.650.414.637.44.959.25.758.719.724.95.146.31.6
over 100%0.0.3.93.90.0.0.20.21.21.20.0.0.0.1.21.22.20.50.0.0.0.0.0.0.0.1.01.02.61.00.0.0.0.3.01.50.0.5.40.91.21.20.20.22.30.60.0.0.0.1.40.2
total57.63.297.22.869.77.456.21.756.05.252.93.6100.0.39.55.464.51.664.13.746.93.579.03.516.36.258.94.866.22.964.56.365.53.858.54.153.74.863.22.051.65.763.42.262.22.078.57.553.33.260.40.6
totalto 20%50.03.26.84.98.13.926.31.531.64.841.73.289.510.54.72.35.20.826.93.423.92.931.33.95.23.811.73.118.72.341.66.630.03.79.92.467.54.53.60.83.62.042.02.22.60.729.68.753.73.221.80.5
21-40 %50.06.889.330.791.920.371.45.167.213.856.78.610.510.591.717.189.75.472.510.876.19.768.110.583.126.586.516.278.29.558.411.670.011.283.712.532.56.986.86.690.417.657.45.992.86.770.420.246.36.874.91.9
over 100%0.0.3.93.90.0.2.30.51.21.21.60.90.0.3.62.05.10.70.60.60.0.0.70.711.75.71.71.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.34.60.90.0.0.0.3.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793704/260036
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%2.81.10.0.0.0.0.50.20.90.91.10.80.0.0.0.0.10.14.11.55.61.60.60.60.0.1.01.02.40.90.0.2.81.40.0.6.82.40.0.0.0.3.30.80.50.33.93.94.51.31.40.2
21-40 %1.71.20.0.1.91.93.61.34.63.53.22.40.0.7.03.74.41.33.52.06.42.80.60.621.612.17.74.86.02.93.83.75.63.85.33.22.41.62.31.26.75.32.41.34.71.76.44.64.52.24.00.5
over 100%0.0.0.0.0.0.0.20.20.0.0.40.40.0.2.31.70.10.10.0.0.0.0.60.69.55.30.0.0.0.0.0.0.0.0.0.0.0.0.20.21.21.20.0.0.20.20.0.0.0.0.20.1
total4.51.30.0.1.91.94.30.75.52.24.81.50.0.9.33.14.60.77.72.012.02.31.91.131.17.98.82.98.41.73.82.68.42.35.31.89.22.62.50.67.92.85.71.05.40.910.45.89.01.85.70.3
less stableto 20%19.62.60.0.4.43.19.91.015.93.820.22.80.0.4.62.21.10.34.61.610.32.16.62.23.13.12.61.55.91.414.34.710.22.41.30.927.04.21.10.43.52.012.71.51.40.55.53.920.82.67.70.3
21-40 %18.54.72.82.824.010.228.23.422.69.221.05.70.0.45.712.826.93.323.46.730.36.712.74.447.420.829.110.318.65.117.47.616.05.530.98.311.14.329.74.134.911.117.53.528.94.15.03.317.04.524.71.2
over 100%0.0.0.0.0.0.1.80.50.0.1.10.80.0.0.0.2.80.60.60.60.0.0.0.2.12.10.70.70.40.40.0.0.0.3.41.50.0.4.20.83.52.00.40.32.00.60.0.0.0.1.60.2
total38.13.12.82.828.47.339.91.738.45.142.33.50.0.50.35.630.81.528.63.540.63.419.33.352.68.832.34.725.02.631.76.226.23.435.63.938.14.635.01.941.85.530.62.132.41.910.54.937.73.233.90.6
stableto 20%27.82.96.84.93.72.615.51.214.83.720.02.889.510.51.51.54.00.718.63.08.01.824.13.62.12.18.12.610.61.827.35.917.23.08.42.334.34.52.60.60.0.26.02.00.70.319.37.428.52.912.70.4
21-40 %29.65.386.430.466.019.339.93.940.010.032.96.510.510.537.712.558.14.545.28.939.57.454.79.814.110.549.712.753.48.037.29.348.29.547.09.918.55.554.75.549.114.237.34.859.05.759.919.224.95.146.11.6
over 100%0.0.3.93.90.0.0.30.21.21.20.0.0.0.1.21.22.50.50.0.0.0.0.0.0.0.1.01.02.50.90.0.0.0.3.71.60.0.5.30.91.21.20.40.32.50.70.0.0.0.1.50.2
total57.43.297.22.869.77.455.81.756.05.252.93.6100.0.40.35.464.61.663.83.747.53.578.83.416.36.258.94.866.52.964.56.365.43.859.14.052.74.862.61.950.25.663.72.262.22.079.27.253.33.260.40.6
totalto 20%50.23.26.84.98.13.925.81.531.64.841.33.289.510.56.12.75.20.727.33.423.92.931.33.95.23.811.73.118.92.341.66.630.23.79.72.468.14.53.70.83.52.042.02.22.60.728.78.553.73.221.80.5
21-40 %49.86.889.330.791.920.371.75.067.213.857.18.610.510.590.416.989.45.472.110.776.19.668.010.383.126.586.516.278.19.458.411.669.811.183.212.431.96.886.76.590.717.457.25.892.76.771.319.746.36.874.81.9
over 100%0.0.3.93.90.0.2.40.51.21.21.60.90.0.3.52.05.40.80.60.60.0.0.60.611.75.71.71.33.01.00.0.0.0.7.12.20.0.9.61.25.92.60.80.44.70.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793705/260037
NFI4
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
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.70.80.0.0.0.1.00.40.0.1.91.10.0.0.0.0.70.30.60.61.00.70.0.0.0.0.0.0.50.50.0.0.0.0.80.81.21.20.20.20.0.0.20.20.20.20.0.1.20.70.60.1
21-40 %0.40.44.14.11.91.92.81.10.0.1.01.00.0.5.64.85.41.73.01.86.43.20.0.10.25.62.72.74.22.51.91.90.50.58.44.93.31.76.42.27.24.22.71.38.92.54.34.33.21.94.20.5
over 100%0.0.0.0.0.0.0.20.20.0.0.40.40.0.0.0.0.30.20.0.0.0.0.0.3.83.70.0.0.0.0.0.0.0.0.0.0.0.0.60.32.82.00.20.20.20.20.0.0.0.0.20.1
total2.10.94.14.11.91.94.10.70.0.3.31.30.0.5.62.76.40.93.61.47.31.90.0.13.96.22.71.64.61.41.91.90.50.59.22.64.52.07.21.210.13.73.20.89.31.34.34.34.41.35.10.3
less stableto 20%20.72.64.14.14.43.110.51.111.23.418.92.825.016.23.92.21.50.512.62.69.32.08.12.30.0.4.52.09.71.810.64.210.02.54.61.826.94.11.40.51.51.515.01.71.00.515.37.218.62.58.70.4
21-40 %24.75.336.322.141.115.833.13.827.210.130.27.00.0.51.113.837.04.130.27.331.67.120.46.946.223.049.813.541.77.814.06.627.37.938.59.916.05.149.95.948.715.323.04.341.25.232.315.519.24.834.01.5
over 100%0.0.4.14.10.0.1.80.50.0.0.70.70.0.2.61.93.10.60.60.60.0.0.70.79.55.30.80.81.60.80.0.0.0.5.62.10.0.6.61.13.02.10.20.22.50.70.0.0.0.2.00.2
total45.43.344.510.045.57.845.31.838.45.249.93.725.016.257.66.041.71.843.43.940.93.529.13.855.89.355.15.253.03.224.65.837.33.948.74.542.84.958.02.253.26.338.22.344.72.247.69.837.83.144.80.7
stableto 20%27.22.93.03.03.72.615.31.319.74.221.63.062.518.20.0.3.30.713.62.714.22.422.03.66.04.36.72.59.41.831.16.220.03.24.81.938.64.82.00.60.0.26.82.11.60.616.47.134.13.113.50.5
21-40 %25.34.648.524.649.015.035.03.740.711.325.25.812.512.435.513.247.24.639.48.637.67.148.98.624.316.834.411.333.06.942.510.442.28.637.38.514.15.030.54.736.713.831.84.642.75.331.713.623.74.936.01.5
over 100%0.0.0.0.0.0.0.30.21.31.30.0.0.0.1.31.31.40.40.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.0.0.0.2.30.70.0.0.0.1.70.60.0.0.0.0.70.1
total52.53.351.410.052.77.950.61.861.65.246.83.675.016.236.95.851.91.853.03.951.83.670.93.830.38.442.25.142.33.273.65.962.23.942.04.452.64.934.82.136.76.158.62.346.02.248.19.857.83.250.20.7
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 #793706/260038
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%2.61.00.0.0.0.0.50.20.90.92.01.00.0.0.0.0.20.14.41.56.61.60.60.60.0.1.01.02.20.80.0.2.41.20.0.6.32.20.0.0.0.3.30.80.60.33.33.34.41.21.50.1
21-40 %1.91.50.0.1.71.73.51.24.33.33.02.20.0.7.03.64.51.33.31.97.12.80.60.620.411.57.14.45.92.73.73.74.93.35.53.12.11.42.11.16.04.72.21.24.41.55.84.14.12.03.90.5
over 100%0.0.0.0.0.0.0.30.20.0.0.40.40.0.1.91.30.10.10.0.0.0.0.60.69.74.80.0.0.0.0.0.0.0.0.0.0.0.0.10.11.11.10.0.0.30.20.0.0.0.0.20.1
total4.51.30.0.1.71.74.30.65.12.05.31.50.0.8.92.84.80.77.62.013.72.21.81.030.17.38.12.78.11.63.72.67.32.05.51.88.42.42.20.67.02.55.41.05.30.99.15.18.51.75.60.3
less stableto 20%20.52.50.0.5.63.29.71.015.33.617.62.50.0.4.12.01.10.34.21.510.42.05.81.92.52.53.51.85.91.316.34.89.92.21.81.126.03.91.30.43.21.912.71.41.40.55.43.819.72.47.50.3
21-40 %18.24.48.58.520.78.828.13.222.78.922.95.60.0.45.912.226.93.124.06.528.56.014.24.351.220.528.19.519.74.918.47.317.05.329.67.712.04.230.03.937.410.518.23.329.43.94.93.316.34.225.01.2
over 100%0.0.0.0.0.0.1.80.40.0.0.90.70.0.0.0.2.80.51.10.70.0.0.0.1.91.90.70.70.40.40.0.0.0.3.01.40.0.4.20.83.21.90.40.32.10.60.0.0.0.1.60.2
total38.73.08.54.926.36.639.71.638.04.941.43.20.0.50.05.230.81.529.33.338.93.120.03.255.58.132.34.525.92.534.76.126.93.334.53.637.94.435.51.843.95.231.32.032.91.810.34.836.03.034.10.6
stableto 20%28.02.85.33.85.63.215.21.215.63.519.32.690.59.51.31.34.00.619.02.99.91.923.63.41.91.98.52.610.41.727.95.816.92.87.72.135.44.32.30.60.0.25.11.80.60.318.06.930.12.812.70.4
21-40 %28.84.983.026.866.418.940.53.740.19.634.06.39.59.538.812.158.04.344.08.437.56.754.09.212.49.250.212.053.37.533.78.848.88.949.19.518.35.054.45.248.213.237.84.758.55.362.620.025.44.946.11.5
over 100%0.0.3.23.20.0.0.30.21.11.10.0.0.0.1.01.02.30.50.0.0.0.0.60.60.0.1.01.02.20.80.0.0.0.3.21.40.0.5.60.91.01.00.30.22.60.60.0.0.0.1.50.2
total56.83.091.54.972.06.756.01.656.85.053.33.3100.0.41.15.164.31.563.13.547.43.278.23.314.35.559.74.666.02.761.66.265.73.560.03.853.74.562.31.849.15.363.32.161.81.980.56.755.53.160.30.6
totalto 20%51.13.15.33.811.24.325.41.431.84.638.83.090.59.55.42.45.20.727.63.326.92.830.03.64.43.112.93.218.52.244.26.429.33.39.52.367.74.23.60.73.21.941.12.12.60.626.77.954.23.021.70.5
21-40 %48.96.591.528.088.819.972.14.867.113.359.88.39.59.591.716.389.55.171.310.273.18.768.79.784.025.285.415.178.98.855.811.170.710.484.311.632.36.486.46.291.516.258.25.692.26.373.320.645.86.475.01.8
over 100%0.0.3.23.20.0.2.40.51.11.11.30.80.0.2.91.65.30.71.10.70.0.1.20.911.65.11.61.22.60.90.0.0.0.6.21.90.0.9.91.15.32.30.70.45.10.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793707/260039
NFI4
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.60.80.0.0.0.0.90.30.0.1.81.00.0.0.0.0.60.20.60.60.90.70.0.0.0.0.0.0.40.40.0.0.0.0.70.71.21.20.30.20.0.0.20.20.30.20.0.1.20.70.60.1
21-40 %0.40.43.93.91.91.93.21.20.0.1.51.20.0.7.45.16.71.73.01.86.23.10.0.12.28.32.62.63.82.31.91.90.50.58.24.63.21.76.52.08.54.32.71.39.12.44.14.03.52.04.60.6
over 100%0.0.0.0.0.0.0.30.20.0.0.40.40.0.0.0.0.40.20.0.0.0.0.0.3.33.30.0.0.0.0.0.0.0.0.80.80.0.0.60.32.31.60.20.20.40.30.0.0.0.0.30.1
total2.00.93.93.91.91.94.50.70.0.3.71.40.0.7.42.97.60.93.51.47.11.80.0.15.56.12.61.54.31.31.91.90.50.59.72.54.42.07.51.110.83.43.10.89.91.24.14.04.71.35.60.3
less stableto 20%21.22.63.93.94.43.110.51.110.73.318.72.721.114.03.52.01.60.412.42.59.12.08.52.30.0.5.42.29.31.710.64.29.82.44.91.828.74.21.30.52.51.714.81.60.90.414.26.818.42.48.40.4
21-40 %24.75.334.921.341.115.833.73.827.39.929.56.80.0.51.013.036.63.830.97.532.37.019.86.746.221.248.413.040.67.414.06.627.47.938.09.315.64.948.25.249.513.922.84.141.24.934.216.319.34.834.21.4
over 100%0.0.3.93.90.0.1.70.40.0.1.20.80.0.2.41.73.30.60.60.60.0.0.70.78.44.70.70.72.61.00.0.0.0.5.01.90.0.6.61.03.72.10.40.32.60.70.0.0.0.2.20.2
total45.93.242.89.745.57.845.81.738.05.049.43.621.114.056.95.741.51.743.83.841.43.529.03.854.68.754.55.152.53.124.65.837.33.847.94.244.34.856.02.055.75.638.02.244.62.148.59.537.73.144.80.6
stableto 20%27.22.92.82.83.72.614.81.220.94.121.22.968.415.91.21.23.10.613.92.713.82.422.73.55.23.86.42.49.01.731.16.220.23.24.21.737.64.71.90.61.11.127.02.01.40.515.36.734.13.112.90.4
21-40 %24.94.650.524.349.015.034.63.639.910.925.75.710.510.533.312.146.44.238.78.437.67.048.38.424.615.735.511.133.86.742.510.442.08.437.58.113.74.932.14.432.411.831.94.442.54.932.113.123.44.936.01.4
over 100%0.0.0.0.0.0.0.30.21.21.20.0.0.0.1.21.21.40.40.0.0.0.0.0.0.0.1.01.00.40.40.0.0.0.0.70.70.0.2.40.60.0.0.0.1.60.50.0.0.0.0.80.1
total52.13.253.39.852.77.949.71.762.05.046.93.678.914.035.75.550.81.752.63.851.43.571.03.829.97.942.95.043.23.173.65.962.23.942.44.151.34.936.41.933.55.458.92.245.52.147.59.557.63.249.60.6
totalto 20%50.03.26.84.98.13.926.31.531.64.841.73.289.510.54.72.35.20.826.93.423.92.931.33.95.23.811.73.118.72.341.66.630.03.79.92.467.54.53.60.83.62.042.02.22.60.729.68.753.73.221.80.5
21-40 %50.06.889.330.791.920.371.45.167.213.856.78.610.510.591.717.189.75.472.510.876.19.768.110.583.126.586.516.278.29.558.411.670.011.283.712.532.56.986.86.690.417.657.45.992.86.770.420.246.36.874.91.9
over 100%0.0.3.93.90.0.2.30.51.21.21.60.90.0.3.62.05.10.70.60.60.0.0.70.711.75.71.71.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.34.60.90.0.0.0.3.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793708/260040
NFI4
forest area
stand stability · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalto 20%1.60.80.0.0.0.1.00.30.0.1.81.00.0.0.0.0.50.20.60.60.90.70.0.0.0.1.01.00.40.40.0.0.0.0.70.71.21.20.30.20.0.0.20.20.30.20.0.1.20.70.60.1
21-40 %0.40.43.93.91.81.83.21.20.0.1.51.20.0.6.84.76.61.72.91.86.13.00.0.14.38.53.42.83.62.11.81.80.50.58.04.53.21.66.71.99.14.32.71.29.12.33.93.93.82.14.70.5
over 100%0.0.0.0.0.0.0.30.20.0.0.40.40.0.0.0.0.50.20.0.0.0.0.0.3.23.20.0.0.40.40.0.0.0.0.70.70.0.0.60.32.21.60.20.20.70.30.0.0.0.0.40.1
total2.00.93.93.91.81.84.60.70.0.3.71.40.0.6.82.77.70.93.51.47.11.80.0.17.56.34.42.04.41.21.81.80.50.59.52.44.42.07.61.011.33.43.10.810.11.23.93.95.01.45.70.3
less stableto 20%21.22.63.93.94.23.010.41.010.53.218.52.721.114.03.21.81.50.412.22.59.02.09.12.30.0.5.02.08.81.610.44.19.72.44.81.829.54.21.40.52.41.714.71.60.80.413.76.518.02.48.20.3
21-40 %24.75.334.921.341.415.333.33.727.79.829.36.70.0.51.412.736.83.731.17.533.07.119.56.645.220.847.312.442.17.313.86.527.77.938.09.315.44.947.45.050.713.922.84.140.94.732.915.719.24.734.31.4
over 100%0.0.3.93.90.0.1.70.40.0.1.10.80.0.3.52.13.60.60.60.60.0.0.60.68.24.60.70.72.50.90.0.0.0.4.91.80.0.6.71.03.52.00.60.42.60.60.0.0.0.2.30.2
total45.93.242.89.745.67.645.51.738.25.048.93.621.114.058.25.441.91.643.93.842.03.529.33.753.38.653.04.953.33.024.25.737.43.847.74.244.94.855.52.056.65.538.12.244.32.046.69.437.23.144.80.6
stableto 20%27.22.92.82.83.62.514.81.220.54.121.02.968.415.91.11.13.00.613.82.613.72.323.23.65.13.75.92.28.41.630.66.120.73.24.91.837.24.72.10.61.01.026.92.01.80.514.76.433.73.012.70.4
21-40 %24.94.650.524.349.014.734.83.640.010.826.45.810.510.532.911.846.14.038.88.437.26.947.58.324.115.335.710.833.46.443.410.441.48.337.38.513.64.831.94.331.011.332.04.342.14.834.813.124.14.936.01.4
over 100%0.0.0.0.0.0.0.40.21.21.20.0.0.0.1.11.11.30.40.0.0.0.0.0.0.0.1.01.00.40.40.0.0.0.0.70.70.0.2.80.60.0.0.0.1.70.50.0.0.0.0.80.1
total52.13.253.39.852.67.750.01.761.85.047.43.678.914.035.05.350.41.652.63.850.93.570.73.729.27.842.64.842.23.074.05.862.13.842.84.150.84.836.81.932.15.258.92.245.62.049.59.457.83.149.50.6
totalto 20%50.03.26.84.97.83.726.21.531.14.741.33.289.510.54.32.15.00.726.63.423.62.932.33.95.13.711.93.017.72.241.06.530.43.710.32.567.94.53.90.83.41.941.82.23.00.728.48.452.83.121.50.5
21-40 %50.06.889.330.792.219.871.35.067.813.757.18.610.510.591.016.789.65.372.810.776.49.767.010.483.526.186.415.679.09.359.011.569.611.183.312.532.16.886.16.490.817.257.45.992.16.571.619.747.26.775.01.9
over 100%0.0.3.93.90.0.2.50.51.21.21.60.90.0.4.62.35.40.70.60.60.0.0.60.611.45.61.61.23.31.10.0.0.0.6.32.10.0.10.11.25.82.50.80.44.90.90.0.0.0.3.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793709/260041
NFI1
forest area
stand stability · slope (20% classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
n/ato 20%1.80.30.40.20.70.40.0.0.0.0.0.0.80.1
21-40 %1.90.55.41.45.51.95.01.93.51.42.61.33.50.5
over 100%0.0.0.10.10.20.20.0.0.0.0.30.20.10.0
total3.70.45.90.86.41.05.01.03.50.72.90.74.40.3
criticalto 20%3.20.40.50.20.60.30.0.0.50.30.20.21.50.2
21-40 %2.10.56.01.66.72.16.82.27.22.12.81.34.40.6
over 100%0.0.0.10.10.0.0.60.40.30.20.60.30.20.1
total5.30.56.60.87.31.17.51.28.01.13.60.76.10.3
less stableto 20%20.70.95.50.84.10.82.00.62.20.61.70.510.10.4
21-40 %22.21.844.64.042.75.034.24.842.84.840.34.734.01.5
over 100%0.00.02.00.52.40.61.60.62.00.66.61.01.80.2
total43.01.152.21.749.22.137.82.247.12.048.52.045.90.7
stableto 20%21.70.94.60.73.90.80.80.43.60.81.30.510.30.4
21-40 %26.21.929.93.432.54.446.65.536.74.541.34.832.41.4
over 100%0.10.10.80.30.70.32.20.71.10.42.40.60.90.1
total48.01.135.31.637.12.049.62.241.42.045.12.043.60.7
totalto 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793710/260042
NFI1
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
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
n/ato 20%1.90.30.50.21.00.40.0.0.0.0.30.21.00.1
21-40 %2.10.55.61.46.72.06.22.14.41.63.21.44.00.5
over 100%0.0.0.10.10.20.20.0.0.0.0.30.20.10.0
total4.00.46.30.87.91.16.21.14.40.83.80.75.10.3
criticalto 20%3.20.40.50.20.70.30.0.0.50.30.20.21.50.2
21-40 %2.00.56.01.56.72.06.72.17.02.02.61.24.30.5
over 100%0.0.0.10.10.20.20.60.30.30.20.80.30.20.1
total5.20.56.60.87.61.17.31.17.81.13.50.76.00.3
less stableto 20%20.50.95.40.73.90.81.90.62.10.61.60.59.90.4
21-40 %22.11.844.03.942.14.933.34.642.14.739.84.633.71.5
over 100%0.00.02.20.52.40.61.50.52.20.67.01.01.90.2
total42.61.151.71.648.52.036.72.146.42.048.42.045.40.7
stableto 20%22.10.94.50.73.90.80.90.43.50.71.40.510.40.4
21-40 %26.01.830.23.331.44.246.55.436.84.440.44.732.21.4
over 100%0.10.10.80.30.60.32.30.71.10.42.50.60.90.1
total48.21.135.41.535.91.949.82.241.32.044.31.943.50.7
totalto 20%47.71.111.01.09.61.22.90.76.10.93.40.722.70.5
21-40 %52.12.585.85.187.06.592.77.090.36.386.16.374.22.0
over 100%0.20.13.20.63.40.74.40.93.60.710.51.23.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793711/260043
NFI1
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
n/ato 20%2.00.20.80.20.80.30.20.10.20.10.20.11.00.1
21-40 %1.80.45.21.07.81.56.91.64.11.13.00.94.00.4
over 100%0.0.0.10.10.10.10.10.10.10.10.20.10.10.0
total3.80.36.10.58.70.87.20.84.40.63.40.55.10.2
criticalto 20%2.50.20.50.20.80.30.10.10.40.20.20.11.20.1
21-40 %1.70.36.71.16.61.56.71.67.81.53.00.94.40.4
over 100%0.00.00.10.10.60.20.60.20.30.20.80.20.30.1
total4.20.37.30.67.90.87.40.88.50.83.90.55.90.2
less stableto 20%20.80.65.20.54.00.61.60.42.30.41.70.410.00.3
21-40 %22.11.344.72.842.73.531.63.242.63.341.23.333.91.0
over 100%0.20.12.20.32.20.41.60.41.80.46.90.71.90.1
total43.10.852.11.149.01.434.81.546.81.449.81.445.80.5
stableto 20%22.80.64.50.54.40.61.20.33.00.52.10.410.70.3
21-40 %25.91.329.02.329.22.946.83.936.33.138.43.231.51.0
over 100%0.20.10.80.20.80.32.70.51.00.32.40.41.00.1
total48.80.834.41.134.41.450.61.640.31.442.91.443.10.5
totalto 20%48.10.811.10.79.90.93.10.56.00.74.10.523.00.4
21-40 %51.51.885.63.686.44.692.05.090.84.585.64.473.81.4
over 100%0.40.13.30.43.70.55.00.73.20.510.30.83.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793712/260044
NFI2
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
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
n/ato 20%0.20.10.20.10.30.20.0.0.0.0.0.0.10.1
21-40 %0.10.11.20.73.01.41.91.21.80.80.60.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
criticalto 20%2.00.30.70.30.90.40.40.30.40.20.10.11.10.1
21-40 %1.40.57.91.79.72.48.12.39.22.26.11.95.60.6
over 100%0.0.0.50.20.80.40.60.30.50.31.30.40.40.1
total3.40.49.20.911.51.39.01.210.01.17.51.07.10.3
less stableto 20%19.30.84.70.75.70.90.70.42.30.60.90.49.20.4
21-40 %19.01.743.03.941.64.743.25.143.44.536.94.333.21.4
over 100%0.10.11.80.42.30.61.80.61.70.55.20.81.60.2
total38.51.149.51.649.62.045.82.147.51.943.01.944.00.7
stableto 20%26.31.05.70.73.10.71.70.63.50.72.40.612.20.4
21-40 %31.41.933.73.432.04.239.75.036.24.242.64.734.61.4
over 100%0.00.00.50.20.50.31.70.61.00.43.90.70.90.1
total57.81.139.91.635.61.943.22.140.71.948.81.947.60.7
totalto 20%47.91.111.31.010.11.22.80.76.20.93.40.722.60.5
21-40 %51.92.585.85.186.36.493.07.090.66.186.26.274.42.0
over 100%0.20.12.80.53.60.74.20.93.20.710.41.23.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793713/260045
NFI2
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
n/ato 20%0.20.10.20.20.30.20.0.0.0.0.0.0.20.1
21-40 %0.20.11.30.73.11.51.91.21.80.90.70.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
criticalto 20%2.00.30.60.31.00.40.40.30.10.10.20.21.10.1
21-40 %1.40.58.31.89.52.58.72.59.02.36.12.05.60.6
over 100%0.0.0.50.20.70.40.60.40.50.31.10.40.40.1
total3.40.49.51.011.31.39.71.39.61.27.41.17.10.3
less stableto 20%19.50.94.50.75.10.90.80.42.60.60.80.49.40.4
21-40 %19.41.743.14.043.25.143.45.343.84.937.84.633.41.5
over 100%0.10.11.90.51.90.62.00.61.80.55.20.91.60.2
total39.01.149.51.750.32.146.12.248.22.043.82.044.40.7
stableto 20%25.71.05.80.82.90.71.70.63.60.82.20.612.20.4
21-40 %31.52.033.23.531.54.338.85.135.64.542.44.934.21.5
over 100%0.00.00.50.20.50.31.90.61.20.43.70.80.90.1
total57.31.139.51.635.02.042.42.240.32.048.22.047.30.7
totalto 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793714/260046
NFI2
forest area
stand stability · slope (20% classes)
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
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
n/ato 20%0.20.10.20.10.30.20.0.0.0.0.0.0.10.0
21-40 %0.10.11.20.63.51.41.91.11.70.80.50.31.10.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
criticalto 20%2.00.30.60.20.80.30.50.30.40.20.10.11.00.1
21-40 %1.30.48.11.79.62.28.42.210.02.25.61.75.70.6
over 100%0.0.0.50.20.70.30.70.30.40.21.10.40.40.1
total3.30.49.30.911.11.29.61.210.81.16.90.97.20.3
less stableto 20%19.50.84.90.75.50.91.00.42.30.50.80.39.30.3
21-40 %19.31.643.03.741.24.442.04.743.74.337.44.133.21.3
over 100%0.10.11.70.42.40.52.00.62.10.55.00.81.70.2
total38.91.049.61.549.11.845.02.048.11.843.21.844.20.6
stableto 20%26.30.95.50.73.30.71.80.53.10.62.10.512.00.4
21-40 %31.11.833.73.231.93.840.04.735.43.943.64.434.51.3
over 100%0.00.00.40.20.80.31.70.50.90.33.70.70.90.1
total57.51.039.71.536.01.843.62.039.41.849.41.847.40.6
totalto 20%48.01.011.21.09.91.13.30.75.80.83.00.622.40.5
21-40 %51.92.386.14.886.25.992.46.590.85.887.15.874.61.8
over 100%0.20.12.70.53.90.74.30.83.40.79.91.13.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793715/260047
NFI3
forest area
stand stability · slope (20% classes)
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%3.40.40.60.20.0.0.60.40.20.20.0.1.50.2
21-40 %3.00.74.61.45.51.94.81.73.31.42.51.23.70.5
over 100%0.00.00.60.30.30.20.20.20.0.0.30.20.20.1
total6.50.55.80.85.91.05.71.03.50.72.80.75.50.3
less stableto 20%17.50.83.10.62.90.71.40.51.40.50.60.38.00.4
21-40 %15.41.536.73.727.74.128.14.426.74.030.14.124.71.3
over 100%0.10.12.20.51.40.51.80.61.80.54.80.91.50.2
total33.01.042.01.632.01.931.22.129.91.935.61.934.30.6
stableto 20%26.51.07.50.96.51.00.80.44.80.92.50.613.30.4
21-40 %34.02.144.64.054.25.559.86.160.25.454.35.545.81.7
over 100%0.00.00.20.11.50.52.50.71.60.54.80.91.20.1
total60.51.152.31.762.22.063.12.166.61.961.62.060.30.7
totalto 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793716/260048
NFI4
forest area
stand stability · slope (20% classes)
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%0.90.20.60.30.20.20.20.20.80.30.20.20.60.1
21-40 %1.40.54.71.46.12.08.92.55.61.86.01.94.20.6
over 100%0.0.0.50.20.40.30.20.20.40.30.50.30.30.1
total2.30.35.80.86.61.09.31.36.71.06.71.05.10.3
less stableto 20%18.10.84.60.74.40.91.00.51.60.51.30.58.80.4
21-40 %20.51.743.84.043.15.141.25.236.24.548.45.134.11.5
over 100%0.10.12.10.52.70.72.50.72.30.66.81.02.00.2
total38.81.150.41.650.22.144.72.240.12.056.52.044.90.7
stableto 20%28.31.06.00.84.80.91.60.64.00.81.60.513.40.4
21-40 %30.52.037.33.638.24.642.75.348.45.032.54.336.01.5
over 100%0.00.00.40.20.20.21.70.60.80.42.70.60.70.1
total58.91.143.81.643.12.046.02.253.22.036.81.950.10.7
totalto 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793717/260049
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%3.60.40.50.20.0.0.50.30.10.10.0.1.50.2
21-40 %3.00.74.91.46.01.94.61.74.01.43.11.24.00.5
over 100%0.00.00.60.20.50.30.20.20.0.0.30.20.20.1
total6.60.56.00.76.41.05.30.94.10.73.30.75.60.3
less stableto 20%17.30.83.30.63.20.71.40.51.30.40.80.37.60.3
21-40 %15.31.535.73.526.33.829.04.226.43.729.63.724.61.2
over 100%0.10.12.10.51.40.52.10.62.00.54.60.81.60.2
total32.71.041.01.630.91.832.51.929.71.734.91.733.90.6
stableto 20%27.01.07.10.86.21.00.70.34.50.82.40.612.70.4
21-40 %33.62.145.43.954.35.359.25.760.25.153.94.946.41.6
over 100%0.00.00.40.22.10.62.30.61.50.55.40.81.40.2
total60.71.152.91.662.61.962.22.066.21.861.71.860.50.6
totalto 20%47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21-40 %52.02.586.05.086.66.392.86.790.66.086.55.974.91.9
over 100%0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793718/260050
NFI3
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%3.60.40.50.20.0.0.50.30.10.10.0.1.50.2
21-40 %3.00.75.21.45.81.84.71.73.91.43.11.24.00.5
over 100%0.00.00.60.20.50.30.20.20.0.0.20.20.20.1
total6.60.56.30.86.30.95.40.94.00.73.40.75.70.3
less stableto 20%17.40.83.20.63.20.71.40.51.30.40.90.37.60.3
21-40 %15.31.435.63.526.33.828.94.126.53.629.73.724.71.2
over 100%0.10.12.10.41.40.52.00.61.90.54.70.81.60.2
total32.81.040.91.530.91.832.41.929.71.735.31.733.90.6
stableto 20%27.01.07.00.86.51.00.70.34.50.82.40.612.70.4
21-40 %33.62.145.23.854.15.259.05.760.15.053.44.946.21.6
over 100%0.00.00.60.22.20.62.50.71.60.55.50.81.50.2
total60.61.052.81.662.91.962.22.066.31.861.31.860.40.6
totalto 20%47.91.110.71.09.71.22.60.76.00.93.30.621.80.5
21-40 %51.92.586.15.086.26.392.76.790.55.986.25.874.91.9
over 100%0.20.13.20.64.10.84.70.93.60.710.51.13.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793719/260051
NFI3
forest area
stand stability · slope (20% classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%3.60.40.60.20.0.0.60.30.10.10.10.11.50.1
21-40 %2.90.65.11.35.61.74.41.54.11.33.01.13.90.5
over 100%0.00.00.70.20.40.20.30.20.0.0.20.20.20.1
total6.50.56.40.76.00.95.30.94.20.73.30.65.60.3
less stableto 20%17.10.83.00.53.20.61.40.51.30.41.00.37.50.3
21-40 %15.81.435.73.326.43.629.43.926.73.429.83.524.91.2
over 100%0.10.12.00.41.20.42.10.62.00.54.70.71.60.2
total33.01.040.81.530.81.732.91.829.91.635.61.634.10.6
stableto 20%27.10.96.80.86.30.90.60.34.40.72.20.512.60.4
21-40 %33.31.945.53.654.94.958.55.360.04.753.14.646.21.5
over 100%0.10.10.50.22.00.52.60.61.50.45.80.81.50.1
total60.51.052.81.563.21.861.81.965.91.761.11.760.30.6
totalto 20%47.81.010.40.99.51.12.60.65.80.83.40.621.70.5
21-40 %51.92.386.44.786.95.992.26.390.85.685.95.575.01.8
over 100%0.20.13.20.53.60.75.10.93.50.610.71.13.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793720/260052
NFI4
forest area
stand stability · slope (20% classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
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%0.90.20.50.20.20.20.30.20.60.30.30.20.60.1
21-40 %1.30.55.11.46.41.99.12.47.11.96.21.74.70.6
over 100%0.0.0.60.20.50.30.40.30.40.30.50.30.30.1
total2.20.36.20.87.11.09.91.28.11.07.00.95.60.3
less stableto 20%18.30.84.70.74.50.80.90.41.60.51.40.48.40.4
21-40 %20.41.743.63.942.84.841.24.935.64.146.94.634.31.4
over 100%0.10.12.10.53.00.72.60.72.40.66.80.92.20.2
total38.81.150.51.650.32.044.62.139.61.855.11.844.90.6
stableto 20%28.71.05.70.74.80.81.40.53.70.71.60.512.80.4
21-40 %30.31.937.33.537.34.342.54.947.94.633.44.036.01.4
over 100%0.00.00.40.20.50.31.60.50.70.32.90.60.80.1
total59.01.143.31.642.61.945.52.152.21.937.81.749.60.6
totalto 20%47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21-40 %52.02.586.05.086.66.392.86.790.66.086.55.974.91.9
over 100%0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793721/260053
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