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NFI2
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
n/a0 (unstocked)100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4020.34.716.63.927.35.325.56.339.25.851.56.928.52.2
41-8016.64.420.24.39.43.415.75.18.73.411.84.514.11.7
81-12046.85.925.24.623.94.910.14.38.83.56.13.421.82.0
121-16010.93.717.23.913.43.910.04.313.34.17.73.712.71.6
over 1600.0.3.41.919.34.618.15.527.05.413.44.712.61.6
uneven-aged5.42.617.34.06.93.020.65.82.92.09.64.110.31.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4021.81.412.51.518.22.122.32.614.41.934.22.720.10.8
41-8020.41.416.11.720.32.312.52.17.41.523.82.517.40.8
81-12038.31.730.42.124.32.412.12.110.61.78.21.625.20.9
121-16012.51.216.71.710.81.712.62.120.82.37.81.613.70.7
over 1602.10.56.21.19.41.617.92.431.42.67.41.59.80.6
uneven-aged5.00.818.01.717.02.122.62.715.32.018.62.313.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4016.51.09.91.517.12.514.02.312.62.023.92.315.90.7
41-8020.81.112.81.715.32.414.32.33.21.120.52.216.80.7
81-12034.11.321.72.130.53.015.02.39.21.711.01.724.90.8
121-16015.71.017.71.913.42.211.92.117.52.312.11.815.20.7
over 1603.20.59.61.55.81.616.02.431.12.84.71.28.50.5
uneven-aged9.70.828.42.317.92.628.83.026.52.627.72.418.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
1-4018.60.811.71.018.21.518.61.715.91.430.31.718.40.5
41-8020.40.914.91.116.61.513.31.55.70.921.11.616.70.5
81-12036.01.026.01.425.71.613.01.49.71.19.41.124.50.5
121-16014.20.716.91.211.61.211.81.418.31.59.91.114.20.5
over 1602.70.37.20.88.91.116.71.630.31.86.50.99.30.4
uneven-aged7.70.621.81.315.61.424.71.918.31.522.31.615.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793922/260254
NFI2
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
n/a0 (unstocked)100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4018.84.416.53.724.54.824.45.637.35.350.76.927.02.1
41-8016.34.222.54.110.83.415.04.611.03.511.54.415.11.7
81-12048.55.625.94.323.64.610.13.98.63.16.03.322.01.9
121-16011.43.617.03.714.53.98.33.613.53.87.43.612.81.6
over 1600.0.3.01.719.24.320.15.227.24.913.14.613.01.6
uneven-aged4.92.415.13.57.32.922.05.42.41.711.24.310.11.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4022.81.312.61.418.62.021.82.513.71.834.42.620.30.7
41-8020.51.316.21.620.02.112.22.07.51.424.72.417.60.7
81-12036.81.630.32.023.52.212.02.011.21.68.31.524.70.8
121-16012.71.117.01.611.31.613.12.021.42.17.61.414.00.7
over 1602.10.56.61.09.31.517.42.331.12.47.11.49.80.5
uneven-aged5.00.717.21.617.32.023.52.615.01.817.82.113.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4016.71.010.31.416.92.314.72.213.31.923.22.216.10.7
41-8020.11.112.71.616.02.313.92.13.71.120.42.116.50.7
81-12034.31.321.22.029.42.713.92.19.11.711.71.624.80.8
121-16016.11.016.81.812.52.012.72.017.42.212.01.715.20.6
over 1603.40.510.11.45.31.415.42.230.92.64.71.18.50.5
uneven-aged9.50.828.92.219.82.529.42.825.62.527.92.318.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
1-4019.10.811.91.017.91.418.61.515.91.329.81.618.50.5
41-8020.10.815.21.116.81.413.01.36.20.921.61.516.70.5
81-12035.61.025.91.324.81.512.41.39.91.19.81.124.30.5
121-16014.60.716.71.111.71.212.21.318.61.49.71.014.30.4
over 1602.80.37.60.88.71.016.51.530.11.66.30.99.30.3
uneven-aged7.60.521.41.216.51.425.51.817.61.422.31.515.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793923/260255
NFI3
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)8.32.415.24.621.96.510.45.717.37.011.96.512.61.8
1-4027.93.718.75.132.47.430.68.530.08.443.79.928.42.5
41-8017.83.217.64.89.04.315.86.612.45.84.34.214.92.0
81-12025.43.718.84.914.85.67.14.86.44.48.25.618.12.1
121-1609.92.512.04.29.64.612.75.97.14.88.25.610.11.7
over 1600.0.3.02.12.42.49.65.37.14.88.25.63.00.9
uneven-aged10.82.614.74.59.84.713.86.419.77.315.57.112.81.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)2.20.63.20.91.00.72.21.13.41.31.10.62.30.3
1-4024.51.611.11.618.72.828.23.318.82.627.72.721.30.9
41-8017.51.49.41.513.82.514.62.57.31.825.82.715.20.8
81-12032.81.822.82.128.53.19.92.214.32.46.41.522.60.9
121-16012.21.217.81.915.12.513.02.416.32.57.51.613.60.8
over 1602.70.67.21.311.82.312.42.316.52.68.31.77.70.6
uneven-aged8.11.028.42.211.02.219.72.923.32.923.22.617.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.20.34.40.92.50.80.60.41.50.60.0.1.70.2
1-4019.01.012.81.417.01.812.51.815.21.616.41.716.30.6
41-8015.91.010.31.313.51.712.51.78.11.325.12.014.60.6
81-12032.31.316.91.625.02.112.11.710.21.412.81.621.50.7
121-16015.31.017.01.622.02.017.32.017.41.78.21.315.90.6
over 1602.90.59.51.37.41.316.31.919.01.88.71.38.70.5
uneven-aged13.40.929.12.012.61.728.72.428.62.028.82.121.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)2.00.34.60.63.30.71.60.52.70.60.80.32.50.2
1-4021.40.812.41.018.61.518.61.616.91.421.31.418.70.5
41-8016.50.810.41.013.31.313.41.48.11.024.61.514.80.5
81-12032.01.019.41.225.51.711.11.311.21.210.41.121.70.5
121-16013.90.717.01.219.11.515.71.516.71.48.01.014.80.5
over 1602.70.38.20.98.41.114.71.417.81.48.51.08.10.3
uneven-aged11.50.728.01.411.91.325.01.826.61.626.41.619.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793924/260256
NFI4
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)6.43.69.44.07.94.46.73.87.44.12.32.36.81.5
1-4041.77.128.36.242.88.129.96.727.76.923.76.632.22.8
41-8020.55.87.23.513.75.723.56.225.36.746.97.822.12.5
81-12017.05.57.53.69.74.64.32.912.75.32.62.69.01.7
121-1600.0.14.64.810.55.014.45.011.95.02.32.39.11.7
over 1600.0.1.91.95.03.46.23.52.72.60.0.2.61.0
uneven-aged14.55.130.96.310.54.914.95.212.25.122.26.518.22.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.40.21.50.61.40.71.40.82.10.90.50.41.00.2
1-4031.01.514.61.622.82.413.82.313.42.211.11.720.40.8
41-8018.11.313.71.616.12.218.92.612.42.134.92.518.90.8
81-12023.71.517.11.718.82.29.41.913.82.27.71.417.10.8
121-16010.31.115.51.717.02.114.42.321.32.68.61.513.40.7
over 1602.30.58.31.33.61.115.52.314.12.27.41.46.80.5
uneven-aged14.21.229.22.120.32.426.72.922.92.729.82.522.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.00.34.01.01.60.83.51.22.60.91.80.92.00.3
1-4017.41.013.71.79.71.96.01.68.11.56.11.613.00.6
41-8018.31.111.21.611.12.013.42.27.41.523.32.815.20.7
81-12028.71.318.11.932.42.89.11.914.22.09.41.922.30.8
121-16014.71.011.61.615.82.38.51.815.42.011.62.113.60.7
over 1602.20.47.71.38.91.813.62.221.52.312.02.17.90.5
uneven-aged17.71.133.82.320.52.545.83.330.72.535.83.226.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.90.23.10.61.90.62.90.82.70.71.10.41.80.2
1-4023.20.815.01.118.51.511.71.411.61.310.11.217.30.5
41-8018.30.812.21.113.81.416.81.710.61.231.41.817.20.5
81-12026.50.917.01.224.01.78.81.213.91.48.01.119.30.5
121-16012.60.713.71.116.11.511.71.417.61.59.21.213.30.5
over 1602.20.37.70.96.01.013.81.517.31.58.61.17.10.3
uneven-aged16.30.831.31.519.81.734.42.126.31.831.51.923.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793925/260257
NFI3
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)8.62.517.25.226.67.611.16.123.79.217.59.214.22.1
1-4026.33.815.45.021.17.125.58.322.18.823.510.323.12.5
41-8018.63.419.95.410.95.217.07.012.36.76.36.116.62.2
81-12025.83.817.65.117.96.67.75.28.86.012.08.019.52.3
121-16010.32.613.64.811.65.513.66.49.86.612.08.011.51.9
over 1600.0.3.42.42.92.910.35.69.76.512.08.03.41.1
uneven-aged10.52.612.84.58.94.914.86.813.47.216.88.911.71.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)2.30.63.40.91.10.82.71.34.01.51.30.72.50.4
1-4024.71.69.91.516.82.722.43.312.82.421.62.718.90.9
41-8017.51.49.21.514.32.615.52.87.51.928.63.015.50.8
81-12033.01.823.42.228.83.211.22.516.72.87.21.723.91.0
121-16012.01.218.32.015.62.614.42.818.02.89.01.914.10.8
over 1602.80.67.11.312.62.414.82.818.22.98.61.98.00.6
uneven-aged7.81.028.82.310.82.319.03.122.83.123.72.917.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.20.34.91.02.80.90.70.51.80.70.0.1.80.2
1-4018.91.011.21.415.61.99.91.710.01.511.31.614.40.6
41-8016.01.010.91.413.91.812.91.98.31.428.52.315.20.6
81-12032.61.317.91.726.52.313.11.911.61.614.61.823.00.7
121-16015.21.016.91.722.62.118.32.119.12.09.81.516.50.6
over 1603.00.510.21.47.71.416.52.121.02.08.01.48.80.5
uneven-aged12.90.928.12.011.01.728.72.528.22.227.82.320.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)2.10.34.90.73.60.81.90.63.20.70.90.42.70.2
1-4021.30.810.91.016.31.514.71.611.21.315.31.416.50.5
41-8016.70.810.71.013.81.413.91.58.21.127.91.815.40.5
81-12032.31.020.21.326.71.812.21.513.01.411.91.323.10.6
121-16013.80.817.31.219.71.616.81.618.51.69.61.215.40.5
over 1602.70.48.50.99.01.215.61.619.81.68.31.18.20.4
uneven-aged11.10.727.51.410.81.324.91.926.11.726.01.818.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793926/260258
NFI1
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0 (unstocked)11.56.29.28.757.818.525.713.00.0.7.06.84.44.316.68.817.49.214.513.337.115.220.78.218.88.55.45.214.92.4
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.98.60.0.5.04.80.0.0.80.6
41-803.63.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.4
81-1200.0.0.0.0.0.0.0.0.0.0.0.4.04.00.0.0.0.14.813.80.0.0.0.0.0.0.0.0.80.6
121-1600.0.0.0.0.0.0.0.6.05.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.4
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.74.60.0.0.40.4
uneven-aged85.06.990.88.742.218.574.313.094.05.893.06.891.55.883.48.882.69.270.817.554.015.779.38.271.59.994.65.282.12.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)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.
1-4029.09.233.215.818.411.825.98.029.37.53.93.819.88.042.012.024.210.524.015.042.612.227.67.422.15.945.710.727.02.5
41-8020.18.110.810.318.711.926.07.923.67.333.810.817.37.917.09.029.811.237.717.417.99.516.26.112.34.70.0.19.12.2
81-12029.39.333.215.88.68.317.06.98.44.73.93.816.97.76.46.215.88.425.415.716.78.915.75.96.23.59.46.313.51.9
121-1600.0.22.914.19.79.20.0.8.24.615.08.29.26.20.0.6.36.112.912.00.0.0.0.14.45.00.0.6.41.4
over 1609.06.00.0.0.0.0.0.2.62.60.0.0.0.0.0.12.18.00.0.5.25.15.53.86.13.44.34.23.71.1
uneven-aged12.76.90.0.44.615.031.18.227.97.543.511.436.99.834.611.411.97.90.0.17.69.335.17.938.87.040.610.530.32.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.00.0
1-4014.32.127.44.719.34.522.13.129.62.719.94.29.81.817.53.010.72.811.23.918.75.011.82.310.61.835.52.718.90.8
41-8024.32.619.24.120.84.520.23.019.52.520.74.317.52.420.43.211.62.924.15.216.64.910.62.25.41.312.91.916.50.8
81-12026.22.632.94.925.74.926.53.327.52.817.14.129.72.820.93.214.43.022.15.021.85.010.22.28.11.64.91.219.50.8
121-1605.41.44.32.13.82.22.31.12.20.913.03.65.61.43.11.413.03.018.24.811.54.210.22.217.32.28.51.67.90.5
over 1601.70.80.0.5.12.50.0.0.80.54.92.21.00.61.91.18.72.54.32.512.04.412.42.414.12.17.21.55.20.4
uneven-aged28.02.716.23.925.34.928.93.320.42.524.44.636.32.936.13.841.64.420.14.919.45.244.83.644.22.931.02.731.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)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.
1-403.40.914.03.418.53.514.93.114.02.26.83.04.81.78.62.511.13.311.36.21.81.86.31.56.31.523.92.510.40.6
41-8014.11.722.44.119.73.511.92.925.82.98.43.413.72.814.02.912.23.415.16.810.44.58.31.74.81.321.32.514.70.7
81-12025.42.132.04.624.53.838.24.332.33.126.85.424.83.525.43.613.83.622.48.215.15.011.82.07.21.611.51.921.20.8
121-16012.11.612.03.311.82.96.92.25.81.614.24.09.62.314.73.018.44.017.97.319.86.08.31.714.62.26.81.511.00.7
over 1604.41.01.01.06.52.20.0.0.40.44.52.23.01.35.01.99.53.014.36.714.65.114.32.220.12.55.01.37.00.5
uneven-aged40.72.418.63.918.93.528.24.021.72.739.35.944.04.032.34.035.05.019.07.638.37.151.03.246.93.131.52.835.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.40.20.60.61.90.90.80.40.0.0.60.50.20.21.00.61.20.71.01.02.81.41.00.50.80.40.20.20.70.1
1-408.11.019.52.618.22.619.12.122.01.611.82.38.21.214.01.911.02.011.43.114.73.09.71.39.51.229.61.814.90.5
41-8017.71.419.22.719.42.617.12.021.81.816.02.715.41.716.32.012.32.121.23.913.33.09.41.35.50.915.81.515.10.5
81-12024.91.630.43.123.32.829.12.427.41.917.92.826.22.020.72.213.22.121.94.017.13.010.91.47.31.17.91.119.00.5
121-1608.81.08.41.98.51.93.71.04.30.912.62.46.91.27.61.413.62.216.53.612.32.98.01.215.41.57.21.08.80.4
over 1603.40.70.50.55.51.50.0.0.70.33.91.31.60.63.00.98.61.86.22.311.32.812.21.415.61.55.90.95.70.3
uneven-aged36.71.721.42.823.12.830.22.423.91.837.33.541.52.337.32.640.03.121.83.928.63.948.92.245.82.033.41.935.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793927/260259
NFI3
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)8.22.315.94.621.96.510.05.517.37.011.56.312.61.8
1-4027.73.719.14.932.47.432.88.530.08.445.89.728.72.5
41-8018.43.316.54.69.04.315.36.412.45.84.14.114.91.9
81-12025.23.617.64.614.85.66.94.76.44.47.95.417.72.1
121-1609.82.511.34.09.64.612.35.87.14.87.95.49.91.6
over 1600.0.4.32.42.42.49.25.17.14.87.95.43.21.0
uneven-aged10.72.615.44.59.84.713.46.219.77.314.96.912.91.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)2.20.63.10.81.00.72.21.13.41.21.10.62.20.3
1-4024.31.511.91.618.92.728.13.219.42.628.22.721.50.9
41-8018.01.49.51.514.52.514.52.57.21.726.02.615.40.8
81-12032.61.722.72.128.43.19.82.214.02.46.91.522.50.9
121-16012.01.217.71.914.82.513.52.416.02.57.21.613.40.8
over 1602.70.67.11.311.62.212.32.316.72.58.31.77.70.6
uneven-aged8.31.028.02.210.82.219.62.923.32.922.32.517.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.20.34.40.92.40.80.60.41.50.60.0.1.60.2
1-4018.81.012.91.416.61.812.41.715.51.616.31.716.20.6
41-8015.81.010.31.313.61.712.41.78.01.224.82.014.50.6
81-12032.31.316.91.625.22.112.31.710.21.413.01.521.60.7
121-16015.51.016.91.622.22.017.12.017.31.78.31.315.90.6
over 1602.90.59.31.27.21.316.51.918.81.88.51.38.60.5
uneven-aged13.50.929.31.912.81.728.72.428.82.029.02.121.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)2.00.34.60.63.20.71.60.52.70.60.80.32.50.2
1-4021.20.812.91.018.31.418.61.617.21.421.51.418.70.5
41-8016.70.810.41.013.61.313.31.47.91.024.51.514.80.5
81-12031.91.019.31.225.51.611.21.311.11.210.71.121.60.5
121-16014.00.716.91.219.11.515.71.516.51.47.90.914.70.5
over 1602.60.38.10.88.31.114.71.417.71.48.41.08.00.3
uneven-aged11.60.727.91.412.01.324.91.826.81.626.21.619.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793928/260260
NFI4
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)6.23.57.73.36.33.55.12.86.73.21.61.65.61.3
1-4042.87.138.46.042.37.239.56.236.96.138.86.339.52.6
41-8020.15.77.43.219.05.720.85.125.15.538.46.421.62.2
81-12016.65.46.23.07.73.73.22.210.23.91.91.97.31.4
121-1600.0.12.04.08.34.010.83.88.03.41.61.67.11.4
over 1600.0.3.12.13.92.74.72.61.81.80.0.2.30.8
uneven-aged14.25.025.35.312.54.816.04.711.34.017.75.116.52.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.50.21.40.51.20.61.20.71.70.80.70.41.00.2
1-4031.21.518.01.628.32.320.52.421.02.316.61.823.70.8
41-8018.01.314.11.516.02.017.52.311.61.832.12.218.50.7
81-12023.21.416.21.616.82.07.81.612.11.96.41.215.50.7
121-16010.01.014.91.514.81.912.62.017.82.27.11.212.20.6
over 1602.40.57.51.23.71.013.92.011.91.86.41.26.40.5
uneven-aged14.91.228.12.019.32.126.62.723.92.430.82.222.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.00.33.60.91.40.72.91.02.30.81.30.71.80.2
1-4017.51.013.91.610.31.89.31.811.51.612.11.914.20.6
41-8017.71.011.21.511.61.914.02.18.31.422.42.415.00.6
81-12028.21.217.61.829.52.69.71.812.11.78.41.620.90.7
121-16014.61.011.11.516.02.17.31.513.91.79.11.612.90.6
over 1602.40.46.91.28.51.611.61.918.71.910.41.77.50.5
uneven-aged18.51.135.82.322.62.545.13.033.12.336.32.727.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.90.22.70.51.60.52.40.62.40.61.00.31.70.2
1-4023.40.817.51.121.71.517.31.517.41.316.51.319.90.5
41-8017.90.812.41.014.41.416.31.511.01.128.91.616.90.5
81-12026.00.916.21.121.51.58.21.112.01.26.80.917.70.5
121-16012.50.713.01.014.81.310.01.215.01.37.40.912.20.4
over 1602.30.37.00.85.70.911.91.314.61.27.40.96.70.3
uneven-aged17.00.831.21.420.21.533.91.927.71.631.91.724.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793929/260261
NFI4
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)6.43.68.23.56.73.75.53.17.03.41.81.86.01.3
1-4041.77.136.06.145.17.435.76.335.36.236.96.638.12.7
41-8020.55.86.33.015.95.522.75.626.45.740.26.821.82.3
81-12017.05.56.63.28.23.93.52.410.74.12.02.07.81.5
121-1600.0.12.74.28.94.311.84.18.43.61.81.87.61.5
over 1600.0.3.22.34.22.95.12.91.91.80.0.2.40.9
uneven-aged14.55.126.95.611.14.715.74.810.44.017.35.216.32.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.50.21.40.51.20.61.20.71.80.80.70.41.00.2
1-4031.21.516.51.626.32.416.92.319.02.316.51.822.70.8
41-8018.11.314.11.616.42.118.52.412.01.932.72.318.80.8
81-12023.11.416.41.617.22.18.21.712.62.06.71.215.90.7
121-16010.11.015.11.615.72.013.32.119.02.37.41.312.60.6
over 1602.40.57.71.23.31.014.72.112.41.96.71.26.50.5
uneven-aged14.61.228.72.019.92.227.22.823.12.529.32.222.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.00.33.70.91.50.73.11.12.50.81.40.71.90.3
1-4017.51.013.91.610.01.88.81.811.31.610.41.813.90.6
41-8018.01.111.11.511.31.912.62.08.01.422.42.515.00.7
81-12028.31.217.41.830.42.79.61.812.61.77.91.621.10.7
121-16014.71.011.51.516.32.27.81.614.71.89.21.713.20.6
over 1602.30.47.21.28.91.712.42.019.22.011.01.87.60.5
uneven-aged18.21.135.12.321.72.545.73.131.72.437.82.827.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.90.22.80.51.70.52.50.72.60.61.00.41.70.2
1-4023.30.816.61.120.71.515.01.516.31.315.61.319.20.5
41-8018.10.812.31.014.21.416.21.511.11.229.31.617.10.5
81-12026.10.916.21.122.21.58.41.112.41.26.80.918.00.5
121-16012.60.713.41.015.41.410.61.215.91.37.71.012.60.4
over 1602.30.37.20.85.70.912.71.315.11.37.81.06.80.3
uneven-aged16.70.831.41.520.11.634.52.026.61.631.71.724.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793930/260262
NFI3
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked)8.02.214.94.120.56.19.04.917.56.510.75.812.01.7
1-4026.93.517.64.435.17.332.68.125.57.442.29.327.62.3
41-8020.03.218.44.58.44.017.26.413.55.73.73.616.21.9
81-12025.13.516.84.315.75.56.24.28.44.710.85.918.02.0
121-1609.62.413.74.08.94.314.46.09.04.911.56.210.91.6
over 1600.0.3.82.12.22.28.64.79.15.07.35.03.20.9
uneven-aged10.42.514.84.19.24.412.15.716.96.313.86.412.11.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)2.10.53.20.80.90.62.41.13.01.11.00.52.20.3
1-4024.81.512.91.518.62.628.63.018.92.528.22.521.90.9
41-8018.11.48.91.313.72.315.12.47.71.725.62.515.40.8
81-12032.21.622.41.928.32.99.62.015.02.36.81.422.30.9
121-16011.81.117.81.815.52.312.42.216.52.47.41.513.40.7
over 1602.40.57.31.211.12.113.82.317.12.48.21.67.70.6
uneven-aged8.61.027.62.111.82.118.12.621.92.622.82.417.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.20.35.00.92.80.80.80.41.30.50.0.1.80.2
1-4018.81.012.91.317.11.713.31.715.81.516.51.616.40.6
41-8015.80.99.71.213.11.612.11.68.11.224.51.914.30.5
81-12032.21.216.81.525.82.011.81.611.11.412.91.521.70.6
121-16015.50.916.41.520.91.816.51.817.41.68.51.215.70.6
over 1602.80.49.51.27.81.217.31.918.81.78.51.28.80.4
uneven-aged13.60.929.71.812.51.528.22.227.61.929.22.021.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)1.90.34.90.63.30.61.80.52.50.50.70.32.50.2
1-4021.30.813.21.018.61.419.31.517.11.321.51.418.90.5
41-8016.80.89.90.913.01.213.31.38.20.924.21.414.80.4
81-12031.70.919.11.126.01.510.81.212.11.110.61.021.70.5
121-16013.90.716.81.118.51.415.01.416.71.38.20.914.70.4
over 1602.50.38.20.88.51.015.71.417.91.38.30.98.10.3
uneven-aged11.80.727.91.312.11.224.01.725.51.526.41.519.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793931/260263
NFI1
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0 (unstocked)10.75.88.48.041.015.523.412.00.0.5.55.44.24.112.86.916.48.711.310.628.712.416.26.617.97.312.16.613.52.1
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.86.60.0.3.73.70.0.0.70.5
41-803.33.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.3
81-1200.0.0.0.0.0.0.0.0.0.0.0.3.93.80.0.0.0.11.510.90.0.0.0.0.0.0.0.0.70.5
121-1600.0.0.0.0.0.0.0.5.75.50.0.0.0.0.0.0.0.0.0.0.0.0.0.3.63.50.0.0.70.5
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.53.50.0.0.40.4
uneven-aged86.06.591.68.059.015.576.612.094.35.594.55.491.95.587.26.983.68.777.214.364.513.183.86.671.38.687.96.683.72.2
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.
critical0 (unstocked)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.
1-4029.09.233.215.817.011.025.98.029.37.53.93.821.07.742.012.024.210.519.212.438.211.429.57.521.75.847.910.527.02.4
41-8020.18.110.810.325.312.626.07.923.67.333.810.815.37.117.09.029.811.230.114.716.18.615.75.912.14.60.0.18.72.2
81-12029.39.333.215.87.97.617.06.98.44.73.93.814.96.96.46.215.88.430.114.714.98.115.35.76.13.49.06.113.31.9
121-1600.0.22.914.18.98.50.0.8.24.615.08.28.25.50.0.6.36.110.39.70.0.0.0.14.14.90.0.6.21.4
over 1609.06.00.0.0.0.0.0.2.62.60.0.3.43.40.0.12.18.00.0.4.64.55.33.76.03.34.14.03.91.1
uneven-aged12.76.90.0.41.014.231.18.227.97.543.511.437.19.334.611.411.97.910.39.726.210.134.27.740.16.938.910.230.82.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.00.0
1-4014.22.127.44.719.14.421.73.029.52.719.94.210.61.917.13.010.22.710.33.620.15.112.62.410.91.835.72.719.00.8
41-8024.12.519.24.121.84.620.53.019.92.520.74.317.32.320.53.111.82.925.05.116.34.810.42.25.51.312.91.916.50.7
81-12026.02.632.94.925.44.826.63.227.52.717.14.128.92.720.43.115.03.022.94.921.44.910.02.17.91.64.71.219.20.8
121-1605.41.44.32.13.82.12.81.22.20.913.03.65.41.43.01.313.13.016.74.411.34.110.12.117.12.28.41.67.90.5
over 1601.70.80.0.5.02.50.0.0.80.54.92.21.00.61.91.18.22.44.02.311.84.312.22.313.62.07.21.45.20.4
uneven-aged28.52.716.23.924.94.928.53.320.12.524.44.636.72.937.13.741.64.321.14.719.15.144.63.644.52.931.12.632.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)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.
1-403.30.914.03.418.13.414.63.114.92.26.73.04.71.68.52.411.93.211.36.21.81.86.41.56.41.525.12.510.60.6
41-8013.91.722.44.119.33.411.72.825.12.98.33.313.92.813.82.912.93.315.16.812.04.78.71.74.61.320.92.414.60.7
81-12024.82.132.04.623.93.739.24.331.53.126.45.324.73.525.13.612.53.322.48.214.54.813.22.17.71.611.81.921.10.8
121-16012.71.612.03.311.62.86.82.25.71.514.04.09.32.215.23.016.73.717.97.319.05.88.31.714.82.26.61.510.90.6
over 1604.31.01.01.06.42.20.0.0.40.44.42.22.91.34.91.88.62.814.36.716.15.214.02.119.72.44.81.36.90.5
uneven-aged41.12.318.63.920.63.627.83.922.42.740.15.844.54.032.53.937.44.819.07.636.76.949.33.146.93.130.82.735.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.40.20.60.61.80.90.80.40.0.0.50.50.20.21.00.61.10.60.90.92.61.31.00.40.90.40.50.30.70.1
1-407.91.019.42.617.62.518.82.122.31.611.62.28.61.313.51.811.01.910.42.814.63.010.01.39.61.130.11.814.90.5
41-8017.41.319.12.719.62.617.12.021.71.815.62.615.21.716.01.912.62.021.23.713.32.99.31.35.40.915.51.415.00.5
81-12024.41.530.23.122.62.729.42.427.11.917.42.725.62.020.02.113.12.022.53.816.22.811.41.47.31.07.81.018.70.5
121-1609.11.18.41.98.21.83.91.04.20.912.32.36.61.17.61.413.22.115.13.311.62.87.81.115.31.47.01.08.80.4
over 1603.30.70.50.55.31.50.0.0.70.33.81.21.70.62.90.98.11.75.72.111.42.711.91.415.11.45.80.95.60.3
uneven-aged37.41.721.92.824.82.830.02.424.11.838.93.542.02.239.02.641.03.024.33.930.43.948.62.246.32.033.41.836.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793932/260264
NFI1
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0 (unstocked)12.34.75.04.928.49.719.57.90.0.12.65.910.84.27.43.626.97.711.87.831.68.816.34.317.55.08.94.214.11.5
1-400.0.0.0.0.0.0.0.2.42.40.0.0.0.0.0.0.0.0.0.3.33.21.31.31.71.72.22.20.90.4
41-802.02.00.0.0.0.3.73.70.0.2.62.54.22.90.0.0.0.0.0.0.0.0.0.0.0.6.83.81.40.5
81-1200.0.0.0.0.0.4.03.95.03.50.0.1.81.70.0.0.0.5.45.30.0.0.0.0.0.0.0.0.90.4
121-1602.02.00.0.0.0.0.0.2.62.60.0.0.0.0.0.0.0.0.0.0.0.0.0.1.71.72.22.20.70.4
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.81.80.0.0.20.2
uneven-aged83.65.395.04.971.69.772.88.889.94.884.86.383.35.192.63.673.17.782.89.065.19.082.44.477.35.679.96.081.81.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)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.
1-4033.47.845.211.814.67.825.76.229.86.317.85.814.74.631.67.522.16.517.98.145.48.731.85.420.03.847.17.027.41.7
41-8018.26.35.65.434.710.627.66.317.75.427.36.815.64.87.64.217.86.113.47.215.86.512.33.811.83.19.84.216.11.4
81-12023.87.027.310.510.36.915.85.213.54.86.63.716.84.915.55.818.86.030.99.78.54.715.74.27.42.53.92.713.71.3
121-1602.82.810.77.25.45.30.0.8.13.914.85.66.73.32.62.65.13.58.05.46.64.52.61.814.83.41.91.96.91.0
over 1605.53.80.0.5.45.31.91.91.81.80.0.11.94.22.42.414.95.613.67.32.72.75.42.64.62.01.91.95.10.9
uneven-aged16.26.111.27.529.710.229.06.329.16.333.57.334.36.240.47.821.36.316.37.520.97.132.25.441.44.735.36.730.91.8
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.
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
1-4016.11.626.93.125.03.519.62.027.11.817.32.79.91.314.71.99.81.812.42.917.03.513.21.812.21.335.31.818.90.5
41-8023.41.822.52.925.23.522.22.222.51.817.62.719.51.719.62.110.41.823.13.718.43.611.71.76.01.013.61.317.30.5
81-12025.61.927.03.119.53.229.62.327.11.921.83.026.81.920.42.116.72.316.43.122.03.711.61.78.41.15.80.919.10.5
121-1605.81.05.31.64.11.63.40.93.00.714.92.66.11.06.41.313.72.116.33.212.13.110.81.717.71.68.31.18.60.4
over 1601.90.60.0.2.61.30.30.30.60.34.71.51.90.61.40.68.41.77.22.27.32.510.21.612.71.46.10.94.70.3
uneven-aged27.21.918.32.723.53.424.82.219.81.723.83.035.82.137.52.641.13.024.63.723.23.942.52.642.82.030.91.831.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)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.
1-404.80.712.32.218.72.315.92.314.61.610.12.54.71.211.02.012.52.412.04.62.61.56.71.15.00.924.81.810.90.4
41-8011.51.123.42.919.12.314.32.222.81.98.62.313.01.913.52.19.92.210.24.47.32.59.01.24.70.918.11.613.40.5
81-12026.21.528.53.125.62.634.12.933.62.221.83.422.72.325.92.712.72.427.66.424.74.112.21.48.71.210.81.321.20.6
121-16013.31.214.42.49.51.87.81.74.91.011.92.68.01.512.02.014.12.613.84.817.23.710.01.314.61.56.51.010.70.4
over 1604.50.70.50.55.11.30.0.0.90.47.72.13.61.03.41.110.52.213.64.817.13.714.41.518.81.74.40.97.00.4
uneven-aged39.71.620.92.822.12.527.92.823.12.040.04.048.02.834.22.940.43.622.86.131.14.547.72.248.42.235.42.036.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.40.20.20.21.30.50.70.30.0.1.00.50.60.20.60.31.60.51.00.73.21.11.20.30.80.30.30.20.70.1
1-409.50.819.51.819.71.818.01.421.01.213.41.67.90.813.01.311.11.411.82.213.42.010.41.09.50.830.11.215.00.3
41-8015.70.921.21.920.91.819.11.521.61.214.21.716.31.215.11.310.11.317.32.512.01.99.50.95.70.615.11.014.80.3
81-12025.01.126.42.021.71.929.31.728.41.418.51.923.51.320.51.514.51.519.32.619.22.211.41.08.00.87.70.718.80.4
121-1609.90.89.51.47.11.24.60.84.00.612.61.66.40.87.71.012.31.413.52.312.22.09.00.915.51.07.10.79.00.3
over 1603.40.50.20.24.10.90.30.20.70.34.91.03.00.52.10.59.11.28.61.89.81.811.31.014.01.05.00.65.50.2
uneven-aged36.01.223.02.025.22.028.01.724.11.335.42.342.41.640.91.941.22.228.43.030.22.847.21.646.51.434.71.336.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793933/260265
NFI2
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0 (unstocked)100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1-400.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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.
critical0 (unstocked)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.
1-4016.610.60.0.34.719.77.14.933.29.819.69.014.15.421.58.515.17.031.49.113.38.825.56.330.75.947.37.425.22.2
41-8037.413.40.0.32.719.212.36.60.0.3.93.925.16.912.36.727.18.87.45.17.26.915.75.110.24.011.24.714.11.8
81-12030.912.961.129.132.719.260.39.949.310.531.410.231.07.231.89.411.26.222.88.323.010.110.14.310.34.06.93.823.22.2
121-1607.67.30.0.0.0.20.38.28.75.911.27.511.85.019.07.727.28.811.26.112.58.210.04.315.64.88.74.213.21.8
over 1600.0.0.0.0.0.0.0.0.0.6.56.30.0.8.05.57.55.127.28.828.212.018.15.529.86.015.15.313.21.8
uneven-aged7.67.338.929.10.0.0.0.8.85.927.49.918.16.27.35.011.96.50.0.15.810.320.65.83.42.410.84.611.11.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)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.
1-4012.72.020.44.821.34.027.83.429.93.013.43.311.52.015.82.88.72.610.54.421.64.720.12.611.61.932.22.818.80.8
41-8023.82.625.25.422.64.114.52.717.82.726.54.513.52.321.23.112.53.020.65.820.45.012.82.27.51.524.82.617.80.8
81-12033.62.940.05.834.64.647.03.938.63.331.94.834.03.132.03.525.73.919.95.612.93.912.02.111.51.98.91.726.00.9
121-16018.12.410.13.712.43.27.52.19.42.112.73.418.92.610.52.318.73.615.45.011.03.813.32.221.72.48.51.714.10.7
over 1604.01.22.92.03.71.80.0.0.40.40.0.8.31.85.21.77.72.425.76.28.43.619.02.532.42.77.01.59.80.6
uneven-aged7.81.61.41.45.42.23.11.43.91.415.63.613.72.315.32.726.84.18.03.825.65.222.82.815.32.118.52.413.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)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.
1-406.91.215.02.923.63.924.43.321.72.210.43.66.11.718.33.412.53.420.48.012.35.211.92.211.02.023.32.415.00.7
41-8018.61.822.83.422.83.920.93.224.12.49.93.611.62.315.83.116.13.715.47.112.34.714.62.42.81.120.82.417.00.7
81-12030.32.142.24.035.34.332.33.637.62.722.74.825.23.232.64.018.43.922.88.325.36.415.92.510.42.012.11.925.80.9
121-16021.51.916.53.113.83.213.12.78.91.626.85.114.32.615.23.119.04.03.63.619.86.112.52.317.02.412.71.915.50.7
over 1606.01.12.21.32.71.50.0.0.90.52.51.810.82.21.51.113.33.414.66.713.55.216.12.533.63.04.01.18.40.5
uneven-aged16.71.71.41.01.81.39.22.36.81.427.85.332.03.416.63.320.64.123.18.316.95.929.03.125.12.727.22.618.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.30.20.0.0.0.0.90.50.40.30.70.71.40.52.40.82.41.05.82.34.11.61.90.61.80.50.70.31.20.2
1-409.21.016.52.422.82.724.62.225.21.712.82.39.41.316.82.010.72.017.33.616.83.216.81.613.01.328.81.817.20.5
41-8020.71.523.22.922.92.817.22.020.61.717.52.713.61.617.92.115.12.215.03.415.53.213.61.55.70.921.71.716.90.5
81-12031.41.741.83.234.93.140.82.638.32.028.13.229.82.131.42.520.72.520.13.817.53.013.21.510.71.310.21.225.40.6
121-16020.01.514.32.412.82.210.91.79.11.217.92.816.21.712.71.819.32.510.62.913.63.012.41.518.81.610.51.214.50.5
over 1605.10.82.41.13.11.20.0.0.70.31.71.08.41.33.91.19.71.921.83.911.82.917.31.732.11.96.11.09.30.4
uneven-aged13.31.21.91.03.41.25.71.25.71.021.43.021.31.914.91.922.22.69.32.820.63.624.81.917.81.522.01.715.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793934/260266
NFI2
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0 (unstocked)100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1-400.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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.
critical0 (unstocked)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.
1-4022.711.40.0.24.115.05.84.032.09.520.18.213.74.818.77.517.06.930.67.922.19.324.45.637.35.350.76.926.92.1
41-8034.912.70.0.50.717.810.15.53.83.88.55.826.86.313.96.528.08.48.34.612.68.315.04.611.03.511.54.415.31.7
81-12028.612.158.229.825.115.564.48.847.410.330.49.231.66.631.08.710.15.620.46.917.88.010.13.98.63.16.03.321.71.9
121-1606.96.70.0.0.0.19.77.38.65.812.56.813.34.723.17.827.58.38.54.710.06.78.33.613.53.87.43.612.71.6
over 1600.0.0.0.0.0.0.0.0.0.5.04.90.0.7.04.86.84.625.97.525.710.120.15.227.24.913.14.613.11.6
uneven-aged6.96.741.829.80.0.0.0.8.25.623.68.614.55.16.34.310.75.86.24.311.88.022.05.42.41.711.24.310.41.4
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.
less stable0 (unstocked)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.
1-4014.21.922.64.723.43.728.03.230.32.814.33.112.01.916.22.611.52.616.44.625.74.421.82.513.71.834.42.620.30.7
41-8022.32.428.55.123.03.714.22.519.22.625.84.013.92.121.02.812.62.817.54.819.24.312.22.07.51.424.72.417.60.7
81-12033.12.734.65.233.84.246.53.636.53.130.54.333.82.830.73.223.63.518.74.811.53.312.02.011.21.68.31.524.80.8
121-16019.02.210.83.411.52.88.02.09.21.911.32.919.22.49.72.017.13.113.54.212.63.413.12.021.42.17.61.413.90.6
over 1604.01.12.41.73.21.60.0.0.40.41.01.08.51.65.91.77.82.322.95.28.73.117.42.331.12.47.11.49.80.5
uneven-aged7.41.51.11.15.21.93.31.34.41.417.23.512.72.016.52.627.33.711.03.922.44.423.52.615.01.817.82.113.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)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.
1-407.81.115.72.924.23.624.53.023.32.19.53.17.41.717.73.015.83.324.56.612.44.714.72.213.31.923.22.216.10.7
41-8017.31.620.33.122.13.622.53.022.32.210.13.212.12.216.82.915.13.216.15.511.44.013.92.13.71.120.42.116.50.7
81-12029.62.043.83.935.44.030.13.338.32.519.34.024.02.933.13.617.13.423.16.424.15.613.92.19.11.711.71.624.80.8
121-16021.91.816.83.013.73.013.92.59.01.523.44.412.82.313.22.619.23.52.12.117.75.212.72.017.42.212.01.715.20.7
over 1606.71.12.11.23.01.50.0.1.00.56.42.611.32.11.20.810.62.88.74.214.24.715.42.230.92.64.71.18.50.5
uneven-aged16.71.61.20.91.51.19.02.16.11.331.44.832.43.218.13.022.13.825.56.720.25.529.42.825.62.527.92.318.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.30.20.0.0.0.0.70.40.40.30.50.51.40.52.80.82.00.85.01.85.11.71.90.61.70.50.50.31.20.1
1-4010.31.017.82.323.82.524.62.026.21.612.92.210.21.216.51.813.61.921.13.219.73.018.61.515.91.329.81.618.50.5
41-8019.31.322.72.723.32.617.61.820.41.617.72.514.21.518.21.914.92.014.12.815.02.813.01.36.20.921.61.516.70.5
81-12030.81.541.03.034.42.839.92.437.81.925.92.829.21.930.82.219.22.219.53.115.62.612.41.39.91.19.81.124.30.5
121-16020.61.414.62.312.32.011.51.69.01.216.12.415.91.511.81.518.72.28.42.213.32.612.21.318.61.49.71.014.30.4
over 1605.60.82.21.03.01.10.0.0.80.33.51.28.81.23.91.08.71.618.33.111.92.516.51.530.11.66.30.99.30.3
uneven-aged13.21.21.80.93.21.15.61.15.50.923.42.720.41.716.01.823.02.413.62.819.43.025.51.817.61.422.31.515.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793935/260267
NFI2
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0 (unstocked)100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1-400.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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.
critical0 (unstocked)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.
1-4022.411.30.0.29.717.57.14.932.09.518.88.716.05.620.88.215.17.035.28.822.79.525.56.339.25.851.56.928.42.2
41-8034.812.70.0.42.218.712.36.63.93.83.83.723.96.615.47.227.18.86.64.56.05.815.75.18.73.411.84.514.01.7
81-12028.712.161.129.128.017.060.39.947.410.330.39.929.67.030.79.111.26.220.47.519.08.510.14.38.83.56.13.421.52.0
121-1607.16.80.0.0.0.20.38.28.35.714.58.013.35.118.37.527.28.810.05.510.46.910.04.313.34.17.73.712.71.7
over 1600.0.0.0.0.0.0.0.0.0.6.36.10.0.7.85.37.55.124.28.028.810.918.15.527.05.413.44.712.71.7
uneven-aged7.16.838.929.10.0.0.0.8.45.726.39.617.25.97.04.811.96.53.63.513.18.720.65.82.92.09.64.110.61.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)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.
1-4012.82.020.14.822.24.027.53.429.72.913.83.311.72.016.62.811.72.815.14.823.34.522.32.614.41.934.22.720.00.8
41-8023.82.624.95.321.53.914.42.718.52.726.34.414.12.320.63.012.02.820.05.420.34.612.52.17.41.523.82.517.50.8
81-12033.72.839.55.735.84.647.13.938.23.331.24.633.73.031.63.523.83.619.65.312.53.612.12.110.61.78.21.625.30.9
121-16018.22.411.33.811.83.18.02.19.32.112.13.218.42.510.12.216.93.213.74.59.63.312.62.120.82.37.81.613.60.7
over 1603.91.22.82.03.61.70.0.0.40.40.0.8.21.75.71.87.72.322.85.69.53.417.92.431.42.67.41.59.90.6
uneven-aged7.61.61.41.45.22.13.11.43.81.316.63.613.92.215.42.727.83.98.83.824.84.822.62.715.32.018.62.313.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)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.
1-407.81.215.42.924.53.924.53.222.72.210.83.56.71.717.63.215.03.427.47.611.44.814.02.312.62.023.92.315.90.7
41-8018.01.722.43.422.23.821.13.223.62.410.33.511.92.316.03.015.33.411.85.513.24.614.32.33.21.120.52.216.70.7
81-12029.42.142.44.036.24.232.43.637.02.721.04.424.23.134.93.917.53.723.37.323.45.915.02.39.21.711.01.724.90.8
121-16021.81.916.33.112.93.012.92.68.91.624.74.813.92.514.12.918.93.72.82.718.35.711.92.117.52.312.11.815.20.7
over 1606.31.12.21.32.51.50.0.0.80.52.31.611.22.21.41.012.03.111.25.314.35.116.02.431.12.84.71.28.50.5
uneven-aged16.71.71.40.91.71.29.12.26.91.431.05.232.13.316.03.121.34.023.57.319.55.928.83.026.52.627.72.418.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.30.20.0.0.0.0.80.50.40.30.70.61.30.52.60.82.20.95.02.03.71.51.90.61.80.50.60.31.20.1
1-409.81.016.62.423.62.724.52.225.61.713.02.39.91.316.91.913.12.022.33.618.63.118.61.715.91.430.31.718.40.5
41-8020.31.422.92.822.42.717.22.020.81.717.52.713.81.617.82.014.52.113.73.015.73.013.31.55.70.921.11.616.60.5
81-12030.81.641.73.235.83.040.82.637.72.026.93.129.12.132.02.419.62.419.83.516.22.813.01.49.71.19.41.124.50.5
121-16020.21.414.52.412.02.111.01.79.01.217.32.715.91.712.11.718.32.39.22.512.12.711.81.418.31.59.91.114.10.5
over 1605.30.82.41.12.91.10.0.0.60.31.60.98.61.24.01.09.21.718.83.512.92.816.71.630.31.86.50.99.30.4
uneven-aged13.31.21.91.03.21.15.61.25.81.023.13.021.41.914.61.923.12.511.22.820.83.324.71.918.31.522.31.615.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793936/260268
NFI4
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)0.0.0.0.0.0.0.0.16.48.70.0.10.04.714.47.85.35.20.0.0.0.5.12.86.73.21.61.65.51.2
1-4041.514.353.625.032.419.125.515.551.511.639.016.331.17.539.610.855.611.854.512.932.913.639.56.236.96.138.86.339.72.6
41-807.97.622.420.117.115.637.817.220.49.27.97.77.44.119.48.85.45.219.310.115.910.420.85.125.15.538.46.421.42.2
81-12034.513.80.0.32.719.124.515.10.0.0.0.9.04.912.76.95.75.50.0.7.37.13.22.210.23.91.91.97.41.4
121-1600.0.0.0.0.0.0.0.0.0.18.812.016.16.04.24.10.0.13.48.87.37.110.83.88.03.41.61.67.01.4
over 1600.0.0.0.0.0.0.0.0.0.0.0.2.72.60.0.5.45.26.36.111.810.84.72.61.81.80.0.2.40.8
uneven-aged16.110.523.921.117.816.012.211.511.67.734.314.623.87.09.76.522.710.06.56.324.812.416.04.711.34.017.75.116.52.0
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.
less stable0 (unstocked)0.0.0.0.0.0.2.71.30.0.2.11.50.80.61.10.81.81.00.0.2.21.51.20.71.70.80.70.41.00.2
1-4021.22.544.25.033.44.632.83.534.12.819.43.814.82.228.53.222.03.127.25.230.24.620.52.421.02.316.61.823.70.8
41-8017.62.413.73.818.23.919.23.119.22.520.53.88.51.818.43.016.92.920.34.88.83.017.52.311.61.832.12.218.40.7
81-12022.82.629.94.618.43.720.33.125.12.721.83.818.12.522.03.09.42.27.03.114.03.57.81.612.11.96.41.215.50.7
121-16014.32.24.52.27.22.611.52.57.71.79.92.719.92.614.12.512.02.514.14.116.13.812.62.017.82.27.11.212.20.6
over 1604.21.32.21.63.01.71.30.90.90.66.02.26.61.62.11.09.42.26.72.94.22.113.92.011.91.86.41.26.40.5
uneven-aged19.92.55.52.419.94.112.32.613.02.220.33.831.33.013.82.628.43.524.75.124.54.426.62.723.92.430.82.222.70.8
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.
stable0 (unstocked)0.60.40.0.5.01.80.0.0.70.57.42.92.81.01.71.02.51.40.0.1.51.52.91.02.30.81.30.71.80.2
1-406.81.113.12.825.43.531.83.025.12.217.24.113.32.111.72.511.92.95.83.210.73.79.31.811.51.612.11.914.10.6
41-8013.51.523.73.624.93.716.42.619.72.312.03.311.42.18.32.19.62.821.75.811.03.914.02.18.31.422.42.415.00.6
81-12023.31.835.14.123.53.626.93.037.22.721.34.016.52.534.73.515.83.221.05.721.95.29.71.812.11.78.41.620.90.7
121-16019.41.719.93.46.42.013.42.48.51.67.02.612.12.219.33.013.43.113.14.67.23.17.31.513.91.79.11.612.90.6
over 1604.30.91.41.03.91.70.0.0.30.37.42.56.01.66.01.88.92.611.34.415.54.911.61.918.71.910.41.77.60.5
uneven-aged32.12.06.82.210.92.811.62.38.51.627.74.737.83.118.32.937.94.527.16.232.36.145.13.033.12.336.32.727.70.8
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.
total0 (unstocked)0.40.20.0.2.81.01.20.60.90.44.31.52.40.62.20.82.30.80.0.1.81.02.40.62.40.61.00.31.70.2
1-4011.91.125.82.328.92.632.11.929.91.519.42.615.31.521.32.020.12.222.23.423.33.117.31.517.41.316.51.319.90.5
41-8014.71.219.82.621.92.618.12.019.51.616.22.59.71.313.81.813.31.920.73.510.02.316.31.511.01.128.91.616.90.5
81-12023.31.532.52.921.62.524.02.030.71.820.62.616.71.627.42.111.71.811.52.716.42.78.21.112.01.26.80.917.70.5
121-16017.51.413.62.26.61.612.21.77.91.19.11.916.11.615.91.811.81.813.62.912.32.510.01.215.01.37.40.912.30.4
over 1604.20.71.70.93.41.20.60.40.60.36.31.66.01.13.81.08.91.68.42.38.82.311.91.314.61.27.40.96.70.3
uneven-aged27.91.66.61.714.82.311.91.710.51.324.22.933.72.015.61.931.82.723.63.627.33.533.91.927.71.631.91.724.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793937/260269
NFI3
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)5.23.50.0.15.810.38.75.911.24.711.911.113.36.215.68.330.512.833.327.543.814.411.16.123.79.217.59.214.22.1
1-4030.47.161.218.126.813.031.19.215.04.90.0.20.47.421.79.715.910.366.727.59.48.925.58.322.18.823.510.323.22.5
41-8011.34.812.912.232.413.527.48.917.45.645.215.616.26.710.26.98.48.00.0.15.09.817.07.012.36.76.36.116.72.2
81-12030.07.012.912.217.111.120.98.328.96.633.314.419.47.130.910.60.0.0.0.0.0.7.75.28.86.012.08.019.52.3
121-16013.85.20.0.7.97.63.93.812.24.79.59.011.16.011.67.721.911.30.0.15.09.813.66.49.86.612.08.011.31.9
over 1600.0.0.0.0.0.0.0.0.0.0.0.3.23.24.54.58.07.70.0.0.0.10.35.69.76.512.08.03.41.1
uneven-aged9.34.412.912.20.0.8.05.415.35.30.0.16.36.75.55.415.210.00.0.16.810.914.86.813.47.216.88.911.71.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)1.00.72.82.03.82.23.21.62.11.07.53.52.21.01.21.23.71.80.0.1.71.72.71.34.01.51.30.72.50.4
1-4013.22.422.84.927.05.033.13.929.83.04.42.58.11.816.13.815.83.519.06.416.65.122.43.312.82.421.62.718.80.9
41-8011.72.321.24.918.54.315.53.122.52.918.44.77.71.910.93.25.62.25.43.827.06.215.52.87.51.928.63.015.50.8
81-12036.23.434.75.734.05.433.14.029.23.227.95.429.33.235.94.79.92.923.77.021.05.711.22.516.72.87.21.724.01.0
121-16021.62.914.24.28.83.25.32.07.41.915.64.321.22.816.23.715.43.518.36.312.14.414.42.818.02.89.01.914.20.8
over 1606.01.71.51.51.21.23.71.60.0.6.23.16.51.712.33.48.82.717.66.09.14.014.82.818.22.98.61.98.00.6
uneven-aged10.32.12.82.06.62.96.02.19.12.120.14.925.03.07.52.840.94.716.06.012.54.519.03.122.83.123.72.917.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.20.22.11.23.51.51.00.71.40.79.92.94.41.33.21.22.21.34.42.40.0.0.70.51.80.70.0.1.90.2
1-408.91.219.93.024.13.626.22.828.02.411.73.19.21.915.62.414.43.115.14.417.84.49.91.710.01.511.31.614.50.6
41-8011.71.423.83.519.33.416.42.618.02.216.83.36.31.613.82.311.62.813.64.314.34.312.91.98.31.428.52.315.20.6
81-12033.72.135.63.825.73.630.53.234.12.714.93.219.72.629.83.018.73.522.45.120.14.813.11.911.61.614.61.823.00.7
121-16019.81.811.42.714.43.014.42.510.01.813.13.020.02.724.82.915.43.214.24.022.24.718.32.119.12.09.81.516.40.6
over 1604.91.01.41.04.51.81.10.81.00.63.51.810.02.05.51.516.63.218.04.75.12.916.52.121.02.08.01.48.80.5
uneven-aged20.71.85.92.08.52.410.42.27.51.530.04.230.43.07.31.821.03.612.34.120.54.828.72.528.22.227.82.320.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.70.32.20.94.31.32.40.82.60.79.22.14.00.83.41.04.31.33.71.74.21.71.90.63.20.70.90.42.80.2
1-4011.31.122.22.425.32.729.12.127.51.68.62.19.41.316.11.915.12.217.93.716.63.114.71.611.21.315.31.416.40.5
41-8011.71.222.62.819.72.616.92.019.61.719.02.77.51.212.81.88.81.810.43.019.33.513.91.58.21.127.91.815.30.5
81-12034.21.734.53.128.12.930.82.431.81.920.32.823.92.031.52.413.92.222.24.018.93.412.21.513.01.411.91.323.20.6
121-16020.01.511.92.212.12.110.21.69.21.313.72.320.01.821.62.215.72.315.23.317.73.116.81.618.51.69.61.215.40.5
over 1604.90.81.40.83.11.22.00.80.50.34.21.58.01.37.41.412.82.017.43.66.22.215.61.619.81.68.31.18.20.4
uneven-aged17.21.45.11.57.41.88.61.58.81.225.03.127.22.07.21.429.52.913.23.317.13.224.91.926.11.726.01.818.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793938/260270
NFI3
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)4.93.40.0.14.69.68.75.910.54.410.710.112.15.714.07.624.710.714.013.140.513.810.45.717.37.011.96.512.51.9
1-4033.47.161.218.124.812.231.19.217.65.110.710.124.57.525.09.712.98.586.013.116.210.530.68.530.08.443.79.928.52.5
41-8010.94.612.912.230.012.727.48.916.55.340.414.714.86.19.26.26.86.50.0.13.99.115.86.612.45.84.34.215.02.0
81-12028.76.812.912.223.211.820.98.327.36.229.713.220.66.927.89.86.26.00.0.0.0.7.14.86.44.48.25.618.12.1
121-16013.25.00.0.7.37.13.93.811.54.48.58.110.15.510.47.017.79.40.0.13.99.112.75.97.14.88.25.610.01.7
over 1600.0.0.0.0.0.0.0.0.0.0.0.2.92.94.14.06.56.30.0.0.0.9.65.37.14.88.25.63.00.9
uneven-aged8.94.312.912.20.0.8.05.416.65.30.0.14.96.29.56.425.210.90.0.15.510.113.86.419.77.315.57.112.81.8
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.
less stable0 (unstocked)1.00.72.81.93.72.13.21.62.11.06.93.32.10.91.11.13.41.60.0.1.61.62.21.13.41.31.10.62.30.3
1-4013.32.322.54.826.34.933.13.929.53.08.33.39.31.917.53.815.33.321.76.319.15.128.23.318.82.627.72.721.20.9
41-8011.42.220.94.819.34.315.53.122.72.918.44.57.41.810.33.16.72.34.83.327.26.114.62.57.31.825.82.715.10.8
81-12035.13.334.35.634.55.333.14.029.43.225.85.128.83.136.14.610.72.823.46.520.05.59.92.214.32.46.41.522.70.9
121-16021.92.915.34.38.63.15.32.07.31.914.44.020.52.815.33.515.73.318.46.011.54.213.02.416.32.57.51.613.60.8
over 1605.81.61.41.41.21.23.71.60.0.7.73.46.81.711.63.28.12.515.45.38.73.812.42.316.52.68.31.77.70.6
uneven-aged11.52.22.82.06.52.86.02.19.02.018.64.625.12.98.22.840.14.516.45.711.94.319.72.923.32.923.22.617.50.8
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.
stable0 (unstocked)0.20.22.01.13.41.51.00.71.40.79.32.74.21.23.01.11.91.13.72.00.0.0.60.41.50.60.0.1.70.2
1-409.11.220.13.025.03.526.52.827.52.412.53.19.51.816.32.417.93.116.54.220.74.312.51.815.21.616.41.716.30.6
41-8011.31.424.23.519.73.316.42.618.02.217.43.36.01.513.42.29.72.415.24.112.23.712.51.78.11.325.12.014.60.6
81-12033.42.135.43.825.33.530.43.233.92.713.93.119.52.628.72.916.33.021.34.618.44.312.11.710.21.412.81.621.60.7
121-16020.11.811.12.613.72.814.32.510.21.812.32.819.92.624.92.816.93.014.43.720.04.217.32.017.41.78.21.315.80.6
over 1604.70.91.31.04.31.71.10.81.00.63.91.89.51.95.61.413.92.715.04.05.52.716.31.919.01.88.71.38.70.5
uneven-aged21.31.85.72.08.72.410.32.28.01.630.74.131.42.98.11.823.53.413.93.923.34.628.72.428.62.028.82.121.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.70.32.20.94.11.22.40.82.50.78.62.03.80.83.20.93.71.13.01.43.81.51.60.52.70.60.80.32.50.2
1-4011.71.122.32.425.42.729.32.127.31.611.02.210.41.317.21.916.62.121.93.619.83.118.61.616.91.421.31.418.60.5
41-8011.31.122.82.820.12.616.82.019.61.719.12.67.21.212.31.78.31.611.02.817.83.213.41.48.11.024.61.514.80.5
81-12033.61.734.33.028.22.830.72.431.61.918.82.623.71.930.72.313.42.020.93.517.53.111.11.311.21.210.41.121.80.5
121-16020.21.412.12.211.62.110.21.69.21.212.72.219.51.821.32.116.42.214.93.016.42.815.71.516.71.48.01.014.80.5
over 1604.70.81.30.83.01.12.00.80.50.35.01.67.91.27.21.311.11.814.33.06.22.014.71.417.81.48.51.08.00.3
uneven-aged17.91.45.01.57.51.78.51.59.21.224.83.027.62.08.21.530.52.714.03.118.53.125.01.826.61.626.41.619.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793939/260271
NFI3
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)4.93.40.0.13.69.08.75.910.54.419.312.111.45.314.07.623.310.214.013.140.513.810.05.517.37.011.56.312.71.9
1-4033.47.161.218.123.111.531.19.217.65.19.69.223.07.125.09.717.99.486.013.116.210.532.88.530.08.445.89.728.72.5
41-8010.94.612.912.234.912.727.48.916.55.336.513.713.95.89.26.26.46.20.0.13.99.115.36.412.45.84.14.115.02.0
81-12028.76.812.912.221.611.120.98.327.36.226.912.219.36.627.89.85.85.70.0.0.0.6.94.76.44.47.95.417.72.1
121-16013.25.00.0.6.86.63.93.811.54.47.77.49.55.210.47.016.78.90.0.13.99.112.35.87.14.87.95.49.81.6
over 1600.0.0.0.0.0.0.0.0.0.0.0.5.53.84.14.06.15.90.0.0.0.9.25.17.14.87.95.43.21.0
uneven-aged8.94.312.912.20.0.8.05.416.65.30.0.17.56.59.56.423.710.40.0.15.510.113.46.219.77.314.96.912.91.8
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.
less stable0 (unstocked)1.00.72.81.93.72.13.11.52.11.06.83.32.10.91.11.13.21.60.0.1.61.62.21.13.41.21.10.62.30.3
1-4013.12.322.54.826.04.833.23.929.12.98.23.29.61.917.13.817.23.423.16.319.15.128.13.219.42.628.22.721.40.9
41-8012.22.320.94.820.44.415.23.023.32.918.24.47.41.811.03.17.22.36.83.827.26.114.52.57.21.726.02.615.30.8
81-12034.63.234.35.634.05.333.84.029.03.126.65.128.53.136.34.610.42.722.36.220.05.59.82.214.02.46.91.522.50.9
121-16021.62.815.34.38.53.15.21.97.21.814.24.020.72.815.03.515.23.217.55.711.54.213.52.416.02.57.21.613.50.8
over 1605.71.61.41.41.21.23.71.60.0.7.63.36.71.711.43.17.92.414.75.18.73.812.32.316.72.58.31.77.70.6
uneven-aged11.82.22.82.06.42.85.92.09.32.018.44.624.92.98.02.738.84.415.65.411.94.319.62.923.32.922.32.517.30.8
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.
stable0 (unstocked)0.20.22.01.13.31.41.00.71.40.79.12.74.21.23.01.11.81.03.62.00.0.0.60.41.50.60.0.1.70.2
1-409.01.220.13.024.73.526.12.827.52.413.03.19.51.816.02.318.03.016.34.119.84.112.41.715.51.616.31.716.20.6
41-8011.31.424.23.519.43.316.12.618.02.217.03.26.31.513.52.29.42.315.04.012.83.712.41.78.01.224.82.014.50.6
81-12033.12.035.43.825.63.530.43.233.92.713.63.019.42.529.02.917.03.021.14.518.74.212.31.710.21.413.01.521.60.7
121-16020.21.811.12.614.22.914.62.510.21.812.02.719.72.625.22.817.03.015.53.819.14.017.12.017.31.78.31.315.90.6
over 1604.60.91.31.04.21.71.10.81.00.63.91.79.51.95.41.413.42.614.84.05.22.616.51.918.81.88.51.38.60.5
uneven-aged21.61.85.72.08.62.410.72.28.01.631.54.131.52.97.91.823.43.413.73.924.44.628.72.428.82.029.02.121.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.70.32.20.94.01.22.30.82.50.79.02.03.70.83.10.93.61.12.91.43.71.51.60.52.70.60.80.32.50.2
1-4011.51.122.32.425.02.629.12.127.21.611.22.210.41.316.91.917.72.222.23.519.33.018.61.617.21.421.51.418.70.5
41-8011.51.122.82.820.62.616.51.919.91.718.62.67.31.212.51.78.31.611.52.818.03.113.31.47.91.024.51.514.80.5
81-12033.31.634.33.028.22.831.02.331.41.918.82.623.41.931.02.313.62.020.43.417.83.011.21.311.11.210.71.121.70.5
121-16020.21.412.12.211.82.110.31.69.21.212.42.119.51.821.42.116.22.115.33.016.02.715.71.516.51.47.90.914.70.5
over 1604.60.81.30.83.01.12.00.70.50.34.81.58.01.27.01.310.71.714.03.06.12.014.71.417.71.48.41.08.00.3
uneven-aged18.21.45.01.57.41.78.71.59.31.225.13.027.72.08.01.429.82.713.63.019.23.124.91.826.81.626.21.619.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793940/260272
NFI4
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)0.0.0.0.0.0.0.0.17.39.10.0.11.15.215.98.58.07.60.0.0.0.6.73.87.44.12.32.36.71.5
1-4041.514.353.625.032.419.125.515.549.011.917.015.126.07.538.511.441.814.360.915.532.915.729.96.727.76.923.76.632.32.9
41-807.97.622.420.117.115.637.817.221.59.710.710.38.34.621.49.50.0.0.0.10.510.123.56.225.36.746.97.822.02.5
81-12034.513.80.0.32.719.124.515.10.0.0.0.10.05.514.07.68.48.10.0.9.79.34.32.912.75.32.62.69.11.8
121-1600.0.0.0.0.0.0.0.0.0.25.615.518.06.74.64.50.0.20.012.79.79.314.45.011.95.02.32.39.01.7
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.07.79.48.915.513.96.23.52.72.60.0.2.71.0
uneven-aged16.110.523.921.117.816.012.211.512.28.046.617.826.67.65.65.433.813.79.79.321.713.714.95.212.25.122.26.518.22.4
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.
less stable0 (unstocked)0.0.0.0.0.0.2.21.20.0.2.21.60.90.61.30.92.21.20.0.2.71.91.40.82.10.90.50.41.00.2
1-4020.52.544.15.034.44.733.23.533.82.817.83.812.52.124.33.316.33.115.24.926.64.913.82.313.42.211.11.720.50.8
41-8018.02.512.83.817.73.919.43.219.42.520.94.07.91.818.63.116.73.219.25.49.53.518.92.612.42.134.92.518.90.8
81-12023.42.731.44.818.93.820.63.225.42.822.33.919.02.623.23.39.92.59.34.016.04.19.41.913.82.27.71.417.10.8
121-16015.02.34.72.37.42.711.62.58.01.89.72.820.62.715.72.713.02.816.65.119.64.614.42.321.32.68.61.513.50.7
over 1603.91.32.41.73.11.81.30.90.90.76.32.47.11.72.31.211.32.78.83.82.11.515.52.314.12.27.41.46.80.5
uneven-aged19.12.54.62.318.54.011.72.612.52.120.84.032.13.114.72.830.63.930.96.323.44.826.72.922.92.729.82.522.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.70.40.0.5.31.90.0.0.80.58.33.33.11.11.81.02.91.60.0.1.81.83.51.22.60.91.80.92.00.3
1-406.51.113.42.923.23.531.63.025.12.215.54.213.22.212.12.612.93.34.53.17.43.56.01.68.11.56.11.613.00.6
41-8014.11.524.33.725.63.916.62.720.22.38.42.912.02.37.92.211.13.221.06.211.14.313.42.27.41.523.32.815.10.7
81-12024.51.934.74.123.33.727.13.036.82.723.74.416.62.636.13.615.33.324.96.626.46.29.11.914.22.09.41.922.30.8
121-16019.31.819.83.56.82.213.52.48.81.77.82.912.82.318.23.013.63.415.55.47.03.48.51.815.42.011.62.113.60.7
over 1604.40.90.80.84.11.80.0.0.0.8.32.86.51.75.91.810.33.013.45.116.95.713.62.221.52.312.02.18.00.5
uneven-aged30.62.17.02.311.62.911.22.38.41.628.05.035.83.218.03.134.04.720.66.229.46.745.83.330.72.535.83.226.00.8
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.
total0 (unstocked)0.40.20.0.2.91.00.90.51.00.44.71.62.60.72.40.82.81.00.0.2.21.32.90.82.70.71.10.41.80.2
1-4011.61.125.92.328.22.632.22.029.61.516.82.613.71.419.42.116.22.215.13.320.03.311.71.411.61.310.11.217.30.5
41-8015.21.319.92.722.02.718.32.019.91.715.22.59.81.413.71.913.62.118.13.710.22.616.81.710.61.231.41.817.20.5
81-12024.31.532.83.021.72.624.22.030.61.822.02.817.31.728.72.312.01.914.83.519.43.38.81.213.91.48.01.119.30.5
121-16017.61.413.72.36.91.612.41.78.11.29.52.016.81.716.21.912.62.116.53.514.43.011.71.417.61.59.21.213.30.5
over 1604.20.71.40.83.61.20.60.40.40.36.91.76.41.13.91.010.71.910.72.98.32.513.81.517.31.58.61.17.20.3
uneven-aged26.61.66.41.714.72.411.41.710.31.324.83.133.42.115.72.032.13.024.84.225.53.834.42.126.31.831.51.923.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793941/260273
NFI1
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %±
n/a0 (unstocked)10.04.718.36.39.23.921.44.65.45.214.62.3
1-400.0.0.0.0.0.2.61.80.0.0.90.6
41-802.42.40.0.0.0.0.0.0.0.0.40.4
81-1200.0.0.0.1.51.51.21.20.0.0.80.6
121-1600.0.2.92.80.0.0.0.0.0.0.40.4
over 1600.0.0.0.0.0.1.31.20.0.0.40.4
uneven-aged87.65.278.86.789.34.273.64.994.65.282.42.5
total100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-4030.48.026.85.021.15.226.73.945.710.727.32.5
41-8017.66.623.64.822.85.417.93.40.0.18.92.2
81-12030.18.011.93.710.13.913.13.09.46.313.71.9
121-1606.34.34.92.48.13.56.92.20.0.6.11.3
over 1606.44.41.31.30.0.6.32.14.34.23.71.1
uneven-aged9.25.131.55.237.86.229.04.040.610.530.12.6
total100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.10.10.0.0.00.0
1-4017.42.025.71.914.01.511.51.235.52.718.90.8
41-8023.12.219.81.719.01.710.31.112.91.916.50.7
81-12027.92.326.91.924.51.912.41.24.91.219.50.8
121-1605.21.22.40.76.11.014.31.38.51.67.90.5
over 1601.30.61.10.52.10.611.61.27.21.55.20.4
uneven-aged25.12.223.91.934.32.139.61.831.02.731.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-405.31.015.51.66.61.37.01.023.92.510.30.6
41-8015.81.620.51.812.81.87.91.021.32.514.60.7
81-12026.81.931.92.125.22.311.11.211.51.921.20.8
121-16012.01.47.61.212.41.713.21.36.81.510.90.6
over 1603.70.81.80.64.21.015.71.45.01.37.00.5
uneven-aged36.32.122.61.938.82.545.21.931.52.835.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.40.20.60.20.50.21.10.30.20.20.70.1
1-4010.61.020.61.210.91.010.40.829.61.814.90.5
41-8018.11.219.81.215.81.19.40.715.81.515.10.5
81-12026.21.427.21.322.61.311.30.87.91.119.10.5
121-1608.70.94.90.68.20.912.50.87.21.08.80.4
over 1602.70.51.40.32.60.512.40.85.90.95.70.3
uneven-aged33.31.525.61.339.31.542.81.233.41.935.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793942/260274
NFI4
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)0.0.0.0.0.0.0.0.17.39.10.0.10.55.014.47.86.05.80.0.0.0.5.53.17.03.41.81.85.91.3
1-4041.514.353.625.032.419.125.515.549.011.939.016.327.27.439.610.856.312.562.513.535.914.535.76.335.36.236.96.638.32.7
41-807.97.622.420.117.115.637.817.221.59.77.97.77.84.419.48.80.0.7.57.217.411.322.75.626.45.740.26.821.62.3
81-12034.513.80.0.32.719.124.515.10.0.0.0.9.55.212.76.96.36.10.0.8.07.73.52.410.74.12.02.07.81.5
121-1600.0.0.0.0.0.0.0.0.0.18.812.017.06.34.24.10.0.15.310.08.07.711.84.18.43.61.81.87.51.4
over 1600.0.0.0.0.0.0.0.0.0.0.0.2.82.80.0.6.05.87.26.912.811.75.12.91.91.80.0.2.50.9
uneven-aged16.110.523.921.117.816.012.211.512.28.034.314.625.27.39.76.525.411.07.57.217.911.615.74.810.44.017.35.216.42.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.2.71.30.0.2.11.50.80.61.20.81.91.10.0.2.41.71.20.71.80.80.70.41.00.2
1-4021.42.544.05.033.44.633.03.534.02.818.93.813.22.127.23.320.43.124.45.327.64.716.92.319.02.316.51.822.70.8
41-8017.82.414.03.918.23.919.33.219.42.520.03.88.71.818.03.017.03.021.55.19.73.318.52.412.01.932.72.318.80.8
81-12022.72.630.64.718.43.720.53.124.82.722.23.818.12.522.43.19.72.37.43.214.53.88.21.712.62.06.71.215.90.7
121-16014.52.24.62.27.22.611.62.57.81.710.12.820.52.714.72.611.82.514.94.417.84.213.32.119.02.37.41.312.70.6
over 1604.21.32.31.63.01.71.30.90.90.66.12.36.81.72.21.19.82.37.13.11.91.414.72.112.41.96.71.26.50.5
uneven-aged19.32.54.52.219.94.111.72.613.12.220.73.931.93.014.42.729.53.624.75.226.04.827.22.823.12.529.32.222.50.8
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.
stable0 (unstocked)0.60.40.0.5.01.80.0.0.80.57.63.03.01.11.71.02.61.50.0.1.61.63.11.12.50.81.40.71.90.3
1-406.71.113.22.824.93.531.63.025.02.217.64.213.12.112.02.612.43.06.03.38.23.58.81.811.31.610.41.813.90.6
41-8013.71.524.03.625.13.816.62.719.92.310.03.012.02.28.02.110.02.920.55.811.74.212.62.08.01.422.42.514.90.7
81-12023.51.834.94.123.63.627.13.037.12.721.84.116.42.535.23.514.63.121.95.923.45.59.61.812.61.77.91.621.10.7
121-16019.51.819.53.46.52.113.52.48.71.77.12.712.72.319.43.013.93.213.64.87.73.37.81.614.71.89.21.713.20.6
over 1604.20.91.51.03.91.70.0.0.30.37.62.66.31.66.21.89.22.711.74.516.65.312.42.019.22.011.01.87.70.5
uneven-aged31.82.06.92.211.02.811.22.38.21.628.34.836.63.217.52.937.54.526.36.330.86.345.73.131.72.437.82.827.30.8
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.
total0 (unstocked)0.40.20.0.2.81.01.20.61.00.44.41.52.50.72.20.82.40.90.0.2.01.12.50.72.60.61.00.41.70.2
1-4012.01.125.82.328.62.632.12.029.81.519.32.614.11.420.92.019.32.221.23.521.03.215.01.516.31.315.61.319.20.5
41-8014.91.220.12.722.02.618.22.019.71.615.12.410.11.413.41.813.22.019.73.511.02.516.21.511.11.229.31.617.00.5
81-12023.41.532.63.021.72.524.22.030.51.820.92.616.71.727.82.211.51.812.22.917.42.98.41.112.41.26.80.918.00.5
121-16017.61.413.42.26.61.612.31.78.01.19.21.916.71.716.21.812.01.914.43.113.42.710.61.215.91.37.71.012.70.4
over 1604.10.71.80.93.41.20.60.40.60.36.41.66.31.13.91.09.31.78.92.48.12.312.71.315.11.37.81.06.90.3
uneven-aged27.51.66.31.614.92.311.41.710.51.324.63.033.52.115.61.932.42.823.63.727.23.634.52.026.61.631.71.724.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793943/260275
NFI3
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical0 (unstocked)4.63.20.0.10.87.310.65.810.14.216.810.812.15.013.27.219.88.912.511.837.413.19.04.917.56.510.75.812.01.7
1-4032.06.853.317.519.610.032.78.617.65.18.48.119.06.028.99.921.99.775.815.122.511.432.68.125.57.442.29.327.72.3
41-8012.54.811.711.141.212.022.37.519.45.542.213.516.55.78.75.95.85.60.0.13.08.617.26.413.55.73.73.616.31.9
81-12029.86.711.711.122.910.221.27.626.06.025.411.418.86.026.69.45.04.911.711.00.0.6.24.28.44.710.85.917.92.0
121-16012.64.80.0.5.45.36.64.511.04.27.26.912.45.29.86.620.19.10.0.13.08.614.46.09.04.911.56.210.71.6
over 1600.0.0.0.0.0.0.0.0.0.0.0.4.53.13.83.85.55.40.0.0.0.8.64.79.15.07.35.03.20.9
uneven-aged8.54.123.314.60.0.6.64.515.95.10.0.16.75.89.16.121.89.60.0.14.19.312.15.716.96.313.86.412.11.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.90.62.41.74.62.22.71.31.90.95.62.72.71.01.01.02.91.40.0.1.51.52.41.13.01.11.00.52.20.3
1-4015.02.326.84.726.34.733.53.727.92.812.03.610.41.917.53.617.33.222.05.818.74.828.63.018.92.528.22.521.90.9
41-8011.22.019.64.421.94.314.32.825.62.917.24.17.11.79.92.86.42.15.73.226.95.615.12.47.71.725.62.515.30.8
81-12034.93.032.65.231.84.933.43.828.53.027.44.727.52.937.84.310.72.620.35.719.05.09.62.015.02.36.81.422.30.9
121-16021.02.613.43.87.62.85.91.97.21.713.83.720.82.614.83.215.63.119.25.513.04.112.42.216.52.47.41.513.40.7
over 1605.01.41.31.31.01.03.41.50.0.6.32.87.11.711.93.08.32.313.14.67.63.413.82.317.12.48.21.67.70.6
uneven-aged12.12.13.92.26.82.76.82.18.81.917.74.124.52.87.12.438.84.119.65.513.24.118.12.621.92.622.82.417.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.20.21.91.03.61.40.90.61.60.710.12.54.41.22.91.02.51.14.42.11.00.90.80.41.30.50.0.1.80.2
1-409.21.219.42.924.83.325.42.627.62.212.02.710.01.815.82.217.72.816.94.021.74.113.31.715.81.516.51.616.40.6
41-8011.01.325.13.518.93.118.42.516.62.015.22.95.71.412.72.010.22.315.13.912.23.412.11.68.11.224.51.914.30.5
81-12034.22.036.13.723.83.330.13.032.82.512.92.719.82.429.72.716.22.820.84.319.54.011.81.611.11.412.91.521.70.6
121-16019.91.711.02.514.62.712.92.212.11.813.72.818.92.423.82.515.52.714.23.618.43.816.51.817.41.68.51.215.70.6
over 1604.40.91.30.94.51.70.90.61.20.64.01.610.41.96.71.512.32.413.63.75.52.417.31.918.81.78.51.28.70.4
uneven-aged21.21.75.31.89.82.411.42.18.11.532.13.830.82.78.31.725.43.315.13.921.74.128.22.227.61.929.22.021.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.60.32.00.84.41.22.30.72.40.69.01.84.20.83.00.83.61.03.31.43.81.41.80.52.50.50.70.32.50.2
1-4012.01.123.02.425.02.528.92.026.81.611.82.110.81.317.01.817.82.021.83.320.72.919.31.517.11.321.51.418.90.5
41-8011.11.122.82.621.32.517.21.820.21.617.52.47.11.111.71.68.41.511.12.617.62.913.31.38.20.924.21.414.70.4
81-12034.11.634.12.926.42.630.62.230.61.818.62.423.01.831.72.213.31.820.13.217.92.910.81.212.11.110.61.021.70.5
121-16019.81.411.52.011.71.99.91.510.21.213.32.119.21.720.51.915.82.015.22.816.12.615.01.416.71.38.20.914.60.4
over 1604.30.71.20.73.11.11.70.70.70.34.61.48.51.28.01.310.31.612.72.75.81.815.71.417.91.38.30.98.10.3
uneven-aged18.01.35.41.58.21.79.41.49.11.225.22.727.11.88.01.330.72.515.83.018.12.924.01.725.51.526.41.519.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #793944/260276
NFI1
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %±
n/a0 (unstocked)9.34.416.05.67.73.318.13.912.16.613.32.0
1-400.0.0.0.0.0.2.11.40.0.0.70.5
41-802.22.20.0.0.0.0.0.0.0.0.40.4
81-1200.0.0.0.1.31.31.01.00.0.0.70.5
121-1600.0.2.52.50.0.1.01.00.0.0.70.5
over 1600.0.0.0.0.0.1.01.00.0.0.40.4
uneven-aged88.44.981.55.991.03.576.84.287.96.683.82.2
total100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-4030.48.026.45.021.85.226.33.847.910.527.32.4
41-8017.66.624.64.921.85.217.13.30.0.18.62.1
81-12030.18.011.73.79.63.713.32.99.06.113.61.9
121-1606.34.34.92.47.73.36.62.10.0.5.91.3
over 1606.44.41.31.31.41.46.02.14.14.03.91.1
uneven-aged9.25.131.15.237.76.130.74.038.910.230.62.5
total100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.10.10.0.0.00.0
1-4017.31.925.51.814.31.511.81.235.72.719.10.8
41-8023.02.220.31.718.91.710.51.112.91.916.50.7
81-12027.82.326.91.924.01.912.51.24.71.219.30.8
121-1605.11.12.60.75.91.014.11.38.41.67.90.5
over 1601.30.61.10.52.00.611.21.17.21.45.10.4
uneven-aged25.52.323.61.834.92.139.71.831.12.632.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-405.21.015.71.66.51.37.21.025.12.510.50.6
41-8015.61.620.11.812.81.78.21.020.92.414.50.7
81-12026.31.931.62.125.02.211.51.211.81.921.10.8
121-16012.51.47.41.212.41.713.01.36.61.510.90.6
over 1603.60.81.80.64.11.015.41.44.81.36.90.5
uneven-aged36.72.123.41.939.32.544.81.930.82.736.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.40.20.60.20.50.21.10.30.50.30.70.1
1-4010.41.020.51.110.91.010.40.730.11.814.90.5
41-8017.91.219.81.215.61.19.40.715.51.415.00.5
81-12025.81.427.01.322.01.311.50.87.81.018.80.5
121-1608.90.94.80.68.00.812.20.87.01.08.70.4
over 1602.70.51.40.32.60.511.90.85.80.95.60.3
uneven-aged33.91.526.01.340.31.543.31.233.41.836.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793945/260277
NFI1
forest area
stand stability · stand age (classes of 40 years)
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 stabilitystand age (classes of 40 years) %± %± %± %± %± %±
n/a0 (unstocked)9.83.512.83.69.92.520.02.88.94.214.11.5
1-400.0.1.11.10.0.1.40.82.22.20.90.4
41-801.41.41.11.12.11.20.0.6.83.81.40.5
81-1200.0.3.41.90.60.60.50.50.0.0.90.4
121-1601.41.41.11.10.0.0.50.52.22.20.70.4
over 1600.0.0.0.0.0.0.50.50.0.0.20.2
uneven-aged87.33.980.44.387.42.877.22.979.96.081.81.6
total100.0.100.0.100.0.100.0.100.0.100.0.
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-4036.96.525.83.920.43.426.32.647.17.027.41.7
41-8014.14.624.63.917.13.213.22.09.84.216.01.4
81-12025.25.813.93.113.62.913.42.03.92.713.81.4
121-1605.63.14.21.87.82.38.51.71.91.96.81.0
over 1603.72.52.41.45.61.96.81.51.91.95.10.9
uneven-aged14.54.829.14.135.54.031.82.835.36.730.91.8
total100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.0.0.0.0.0.0.10.10.0.0.00.0
1-4018.91.424.31.312.81.012.30.935.31.818.90.5
41-8023.21.522.71.319.31.210.70.813.61.317.30.5
81-12026.11.626.91.423.91.312.60.95.80.919.20.5
121-1605.70.83.30.57.60.814.80.98.31.18.60.4
over 1601.40.40.80.32.20.410.40.86.10.94.70.3
uneven-aged24.81.622.01.334.11.439.21.330.91.831.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-406.20.716.01.17.91.06.80.724.81.810.90.4
41-8013.91.119.71.312.31.27.40.718.11.613.40.5
81-12026.71.331.51.523.71.612.50.910.81.321.20.6
121-16013.51.06.90.810.21.112.90.96.51.010.60.4
over 1603.70.61.90.44.40.715.71.04.40.97.00.4
uneven-aged36.01.424.01.341.61.844.81.335.42.036.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.40.10.50.10.70.21.30.20.30.20.70.1
1-4011.80.719.90.810.70.710.50.530.11.215.00.3
41-8017.00.820.70.815.50.88.90.515.11.014.80.3
81-12025.41.027.30.921.50.911.80.67.70.718.80.4
121-1609.80.74.90.48.00.612.60.67.10.79.00.3
over 1602.70.41.30.23.00.411.60.65.00.65.50.2
uneven-aged33.01.025.50.940.51.143.30.934.71.336.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793946/260278
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