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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)0.60.21.00.31.60.50.60.40.80.40.50.30.80.1
1-401.70.30.90.31.20.51.40.50.80.30.70.31.30.2
41-801.20.21.10.30.60.31.00.40.40.20.20.20.90.1
81-1201.70.31.00.31.10.40.40.30.30.20.30.21.10.1
121-1600.70.20.80.30.70.30.80.40.30.20.30.20.60.1
over 1600.0.0.20.10.20.20.60.30.30.20.30.20.20.1
uneven-aged0.70.20.70.30.50.30.80.40.50.30.50.30.60.1
total6.50.55.80.85.91.05.71.03.50.72.80.75.50.3
less stable0 (unstocked)0.70.21.40.40.40.20.80.41.20.40.50.30.80.1
1-408.20.64.20.75.40.97.01.13.80.87.71.16.50.3
41-805.80.53.80.64.60.94.80.92.20.610.21.25.30.3
81-12010.90.79.81.09.21.23.50.85.00.92.60.68.20.4
121-1603.90.47.70.95.00.94.50.95.40.93.20.74.80.3
over 1600.90.23.00.64.00.84.60.95.40.93.10.72.70.2
uneven-aged2.60.312.11.13.40.85.91.16.81.08.41.15.80.3
total33.01.042.01.632.01.931.22.129.91.935.61.934.30.6
stable0 (unstocked)0.80.22.50.51.70.50.40.31.20.40.0.1.10.1
1-4011.40.75.90.89.71.26.21.16.61.07.01.08.70.4
41-809.70.65.70.88.61.28.11.25.50.917.61.59.20.4
81-12019.70.99.31.016.51.58.31.27.71.19.01.213.80.5
121-1609.20.68.90.914.01.411.51.412.71.46.00.99.90.4
over 1601.80.35.30.74.80.910.41.314.01.44.90.95.30.3
uneven-aged7.80.614.71.26.81.118.11.718.81.617.11.512.20.4
total60.51.152.31.762.22.063.12.166.61.961.62.060.30.7
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 #793872/260204
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)0.50.11.00.31.20.40.50.30.70.30.40.20.70.1
1-401.70.31.10.32.10.51.70.51.10.41.40.41.60.2
41-801.30.21.20.30.50.30.90.40.60.30.10.10.90.1
81-1201.60.31.10.30.90.40.30.20.40.20.40.21.00.1
121-1600.60.20.90.30.50.30.80.30.40.20.40.20.60.1
over 1600.0.0.20.10.10.10.50.30.40.20.20.20.20.1
uneven-aged0.70.21.00.30.50.30.60.30.70.30.50.20.70.1
total6.50.56.40.76.00.95.30.94.20.73.30.65.60.3
less stable0 (unstocked)0.70.21.30.30.30.20.80.40.90.30.30.20.70.1
1-408.20.55.30.75.70.99.41.15.60.810.01.07.50.3
41-806.00.53.60.64.20.75.00.82.30.59.11.05.20.3
81-12010.60.69.10.88.71.03.20.74.50.72.40.57.60.3
121-1603.90.47.30.84.80.84.10.84.90.82.60.54.60.3
over 1600.80.23.00.53.40.74.50.85.10.82.90.62.60.2
uneven-aged2.80.311.30.93.70.76.00.96.60.98.10.95.80.3
total33.01.040.81.530.81.732.91.829.91.635.61.634.10.6
stable0 (unstocked)0.70.22.60.51.80.50.50.30.90.30.0.1.10.1
1-4011.40.66.80.710.81.18.21.110.41.110.11.09.90.4
41-809.60.65.10.78.31.07.41.05.30.815.01.28.60.3
81-12019.50.88.90.816.31.37.31.07.30.97.90.913.10.4
121-1609.40.68.70.813.21.210.21.211.41.15.20.79.50.4
over 1601.70.35.00.64.90.810.71.212.41.25.20.85.30.3
uneven-aged8.20.615.71.17.91.017.41.518.21.317.91.312.90.4
total60.51.052.81.563.21.861.81.965.91.761.11.760.30.6
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 #793873/260205
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)0.50.21.00.31.40.50.50.30.70.30.40.20.70.1
1-401.80.31.20.32.00.61.80.61.20.41.60.41.60.2
41-801.20.21.00.30.60.30.80.40.50.20.10.10.80.1
81-1201.70.31.10.30.90.40.40.30.30.20.30.21.00.1
121-1600.60.20.70.30.60.30.70.30.30.20.30.20.60.1
over 1600.0.0.30.20.20.20.50.30.30.20.30.20.20.1
uneven-aged0.70.21.00.30.60.30.70.40.80.30.50.30.70.1
total6.60.56.30.86.30.95.40.94.00.73.40.75.70.3
less stable0 (unstocked)0.70.21.30.40.30.20.70.41.00.40.40.20.80.1
1-408.00.64.90.75.80.99.11.25.80.910.01.17.30.3
41-805.90.53.90.64.50.84.70.92.10.59.21.05.20.3
81-12010.70.79.30.98.81.13.20.74.20.72.40.67.60.3
121-1603.90.47.20.84.60.84.40.84.80.82.60.64.60.3
over 1600.90.22.90.53.60.74.00.85.00.82.90.62.60.2
uneven-aged2.70.311.41.03.30.76.31.06.90.97.91.05.90.3
total32.81.040.91.530.91.832.41.929.71.735.31.733.90.6
stable0 (unstocked)0.70.22.30.51.50.50.40.31.00.40.0.1.00.1
1-4011.40.66.80.810.41.27.71.110.31.110.01.19.80.4
41-809.60.65.40.78.61.17.71.15.30.815.21.38.80.4
81-12019.60.88.90.915.81.47.71.16.70.98.01.013.00.4
121-1609.40.68.90.913.91.310.71.311.41.25.10.89.60.4
over 1601.70.34.90.74.50.810.21.212.51.25.20.85.20.3
uneven-aged8.20.615.51.18.01.117.91.619.11.417.81.413.00.4
total60.61.052.81.662.91.962.22.066.31.861.31.860.40.6
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 #793874/260206
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)0.10.10.60.20.50.30.60.40.50.30.20.20.30.1
1-401.00.21.70.42.80.72.80.71.90.51.60.51.60.2
41-800.50.10.40.20.90.42.20.61.70.53.10.71.10.1
81-1200.40.10.40.20.60.30.40.30.90.40.20.20.50.1
121-1600.0.0.90.30.70.31.30.50.80.40.20.20.50.1
over 1600.0.0.10.10.30.20.60.30.20.20.0.0.10.0
uneven-aged0.30.11.80.40.70.31.40.50.80.41.50.50.90.1
total2.30.35.80.86.61.09.31.36.71.06.71.05.10.3
less stable0 (unstocked)0.20.10.80.30.70.30.60.40.90.40.30.20.50.1
1-4012.00.77.40.811.41.36.21.15.40.96.31.09.20.4
41-807.00.66.90.88.11.18.51.25.00.919.71.68.50.4
81-1209.20.68.60.99.41.24.20.95.50.94.40.87.70.4
121-1604.00.47.80.98.61.16.41.18.61.14.80.96.00.3
over 1600.90.24.20.71.80.56.91.15.60.94.20.83.10.2
uneven-aged5.50.514.71.210.21.311.91.49.21.216.91.510.00.4
total38.81.150.41.650.22.144.72.240.12.056.52.044.90.7
stable0 (unstocked)0.60.21.70.40.70.31.60.61.40.50.60.31.00.1
1-4010.20.66.00.84.20.82.70.74.30.82.30.66.50.3
41-8010.80.74.90.74.80.96.21.13.90.88.61.17.60.4
81-12016.90.87.90.914.01.44.20.97.61.13.50.711.20.4
121-1608.60.65.10.76.81.03.90.98.21.14.30.86.80.3
over 1601.30.33.40.63.80.86.31.111.51.34.40.83.90.3
uneven-aged10.40.714.81.28.81.221.11.816.31.513.21.413.00.5
total58.91.143.81.643.12.046.02.253.22.036.81.950.10.7
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 #793875/260207
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)0.50.20.90.31.40.50.50.30.70.30.40.20.70.1
1-401.80.31.10.32.10.61.60.51.20.41.50.41.60.2
41-801.20.21.10.30.60.30.80.40.50.30.10.10.80.1
81-1201.70.31.10.31.00.40.40.30.30.20.30.21.00.1
121-1600.70.20.70.30.60.30.70.30.30.20.30.20.60.1
over 1600.0.0.20.10.20.20.50.30.30.20.30.20.20.1
uneven-aged0.70.20.90.30.60.30.70.40.80.30.50.30.70.1
total6.60.56.00.76.41.05.30.94.10.73.30.75.60.3
less stable0 (unstocked)0.70.21.30.40.30.20.70.41.00.40.40.20.80.1
1-408.00.64.60.75.80.99.21.25.60.89.71.17.20.3
41-805.70.53.90.64.30.84.70.92.20.59.01.05.10.3
81-12010.70.79.40.98.81.13.20.74.20.82.20.57.60.3
121-1604.00.47.30.84.70.84.20.84.90.82.60.64.60.3
over 1600.90.23.00.53.70.74.00.84.90.82.90.62.60.2
uneven-aged2.60.311.71.03.40.76.41.06.90.98.11.05.90.3
total32.71.041.01.630.91.832.51.929.71.734.91.733.90.6
stable0 (unstocked)0.70.22.40.51.60.50.40.31.00.40.0.1.00.1
1-4011.50.76.80.810.71.27.81.110.01.110.11.19.90.4
41-809.60.65.50.78.41.17.81.15.40.815.51.38.80.4
81-12019.60.88.90.915.71.47.51.16.70.97.91.013.00.4
121-1609.30.69.00.913.81.310.71.311.51.25.10.89.60.4
over 1601.80.35.00.74.60.810.21.212.61.25.30.85.30.3
uneven-aged8.10.615.41.17.91.117.81.618.91.417.81.412.90.4
total60.71.152.91.662.61.962.22.066.21.861.71.860.50.6
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 #793876/260208
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)0.10.10.50.20.50.30.50.30.60.30.10.10.30.1
1-400.90.22.20.53.20.73.50.82.90.62.60.62.10.2
41-800.50.10.40.21.10.42.20.62.10.52.80.61.20.1
81-1200.40.10.40.20.60.30.30.20.90.40.10.10.40.1
121-1600.0.0.80.30.60.31.20.40.70.30.10.10.40.1
over 1600.0.0.20.10.30.20.50.30.20.20.0.0.10.0
uneven-aged0.30.11.70.40.80.31.50.50.80.31.20.40.90.1
total2.20.36.20.87.11.09.91.28.11.07.00.95.60.3
less stable0 (unstocked)0.20.10.70.30.60.30.50.30.70.30.40.20.50.1
1-4012.10.78.40.913.21.37.51.17.51.09.11.010.20.4
41-807.00.57.10.88.31.18.31.24.80.818.01.48.40.4
81-1209.00.68.30.98.71.13.70.85.00.83.70.77.10.3
121-1603.90.47.60.87.91.05.91.07.51.04.10.75.70.3
over 1600.90.23.90.61.60.56.61.04.90.83.70.72.90.2
uneven-aged5.70.514.51.110.01.212.21.39.21.116.21.310.10.4
total38.81.150.51.650.32.044.62.139.61.855.11.844.90.6
stable0 (unstocked)0.60.21.60.40.60.31.40.51.30.40.50.30.90.1
1-4010.30.66.00.74.30.84.00.85.90.93.90.76.90.3
41-8010.60.74.80.74.80.95.71.04.20.78.51.07.40.3
81-12016.70.87.50.812.91.34.40.96.60.93.00.610.50.4
121-1608.70.65.00.76.91.03.60.87.71.03.50.76.50.3
over 1601.40.33.10.53.80.75.61.010.01.14.20.73.80.2
uneven-aged10.80.715.21.19.21.120.81.716.61.414.31.313.50.4
total59.01.143.31.642.61.945.52.152.21.937.81.749.60.6
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 #793877/260209
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)0.10.10.50.20.50.30.50.30.50.30.10.10.30.1
1-401.00.22.40.53.00.74.00.83.00.62.80.62.30.2
41-800.50.10.50.21.40.52.10.62.00.52.80.61.20.1
81-1200.40.10.40.20.60.30.30.20.80.30.10.10.40.1
121-1600.0.0.80.30.60.31.10.40.60.30.10.10.40.1
over 1600.0.0.20.10.30.20.50.30.10.10.0.0.10.0
uneven-aged0.30.11.60.40.90.41.60.50.90.31.30.40.90.1
total2.30.36.40.87.21.010.11.28.11.07.30.95.70.3
less stable0 (unstocked)0.20.10.70.30.60.30.50.30.70.30.40.20.40.1
1-4012.10.79.00.914.31.39.11.28.41.09.11.010.60.4
41-806.90.57.10.88.11.17.81.14.60.817.61.38.30.4
81-1209.00.68.10.88.51.13.40.74.80.83.50.77.00.3
121-1603.90.47.50.87.51.05.60.97.10.93.90.75.50.3
over 1600.90.23.70.61.90.56.20.94.80.83.50.62.90.2
uneven-aged5.80.514.11.19.81.211.81.39.51.116.81.310.20.4
total38.71.050.21.650.81.944.32.040.01.854.81.744.90.6
stable0 (unstocked)0.60.21.60.40.60.31.30.51.20.40.50.30.90.1
1-4010.40.66.00.74.30.84.30.86.00.94.60.77.00.3
41-8010.50.64.90.74.90.86.41.04.30.78.51.07.40.3
81-12016.70.87.70.812.41.24.40.86.30.93.20.610.30.4
121-1608.60.64.80.76.70.93.30.77.20.93.40.66.40.3
over 1601.40.33.00.53.60.75.30.99.71.13.90.73.70.2
uneven-aged10.90.715.51.19.51.120.61.617.21.413.81.213.70.4
total59.11.143.41.542.01.945.62.052.01.838.01.749.40.6
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 #793878/260210
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)0.40.20.60.61.90.90.80.40.0.0.60.50.20.21.00.61.20.71.01.02.81.41.00.50.70.30.20.20.70.1
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.20.20.0.0.00.0
41-800.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.1.01.00.0.0.0.0.0.0.0.0.00.0
121-1600.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
uneven-aged3.20.65.71.51.40.82.20.83.10.87.31.94.30.95.11.25.71.54.92.14.01.84.00.92.50.62.70.63.60.3
total3.70.76.31.63.31.23.00.93.30.87.92.04.71.06.11.36.91.66.92.57.52.35.01.03.50.72.90.74.40.3
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.
1-400.90.31.30.80.90.62.20.81.90.60.40.41.00.42.20.81.60.81.81.35.01.92.10.61.80.51.60.51.60.2
41-800.60.30.40.40.90.62.20.81.50.53.61.40.90.40.90.52.00.92.81.62.11.21.20.51.00.40.0.1.10.1
81-1200.90.41.30.80.40.41.50.70.50.30.40.40.80.40.30.31.10.61.91.32.01.11.20.50.50.30.30.20.80.1
121-1600.0.0.90.60.50.50.0.0.50.31.60.90.50.30.0.0.40.41.01.00.0.0.0.1.20.40.0.0.40.1
over 1600.30.20.0.0.0.0.0.0.20.20.0.0.0.0.0.0.80.60.0.0.60.60.40.30.50.30.20.20.20.1
uneven-aged0.40.20.0.2.21.02.70.81.80.64.61.61.80.61.80.70.80.60.0.2.11.22.60.73.10.71.40.51.80.2
total3.20.64.01.34.81.48.61.56.41.010.62.34.91.05.21.26.81.67.52.511.82.77.51.28.01.13.60.76.00.3
less 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
1-405.30.811.52.26.81.711.51.714.21.48.92.05.51.18.31.55.31.46.82.58.32.44.50.95.00.917.21.58.70.4
41-809.01.08.11.87.31.710.61.79.41.39.32.19.91.49.71.65.71.514.63.47.42.34.00.92.50.66.21.07.50.4
81-1209.81.113.82.39.11.913.81.813.21.57.72.016.71.79.91.67.11.513.43.29.72.33.90.83.80.82.40.68.90.4
121-1602.00.51.80.91.30.81.20.61.10.45.81.73.20.81.50.76.41.611.13.05.11.93.90.88.11.14.10.83.60.3
over 1600.60.30.0.1.80.90.0.0.40.32.21.00.60.30.90.54.31.32.61.55.42.04.70.96.61.03.50.72.40.2
uneven-aged10.41.16.81.78.91.915.11.99.81.311.02.320.41.817.12.020.52.612.23.28.62.416.91.720.81.615.01.414.60.5
total37.21.842.03.435.33.252.22.748.02.245.03.656.42.347.32.749.23.260.74.744.54.337.82.247.12.048.52.045.80.7
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.
1-401.90.56.71.710.52.15.41.25.91.02.51.11.60.63.61.14.11.32.81.60.70.73.10.82.60.610.81.24.50.3
41-807.91.010.72.111.22.14.31.110.91.33.11.34.61.05.81.34.51.33.81.83.81.74.10.92.00.69.61.26.40.3
81-12014.21.315.32.513.82.313.81.813.71.59.82.28.41.310.51.65.11.45.62.35.51.95.81.03.00.75.20.99.30.4
121-1606.80.95.71.66.71.72.50.82.50.75.21.63.30.86.11.36.81.64.52.07.12.34.10.96.11.03.10.74.80.3
over 1602.50.60.50.53.71.30.0.0.20.21.60.81.00.52.10.83.51.23.61.85.32.07.11.18.31.12.30.63.10.2
uneven-aged22.71.58.92.010.72.110.21.69.21.214.32.515.01.713.41.913.02.14.72.113.83.025.31.919.41.614.21.415.60.5
total55.91.847.73.456.63.336.12.642.32.136.53.534.02.241.52.737.03.124.94.236.24.249.62.241.42.045.12.043.80.7
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 #793879/260211
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)0.40.20.60.61.80.90.80.40.0.0.50.50.20.21.00.61.10.60.90.92.61.31.00.40.80.40.50.30.70.1
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.20.20.0.0.00.0
41-800.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.90.90.0.0.0.0.0.0.0.0.00.0
121-1600.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
uneven-aged3.40.66.31.62.61.12.50.83.20.89.22.14.30.96.71.45.71.46.22.25.92.15.21.03.10.73.30.74.30.3
total3.90.76.91.74.41.43.30.93.40.89.72.14.70.97.71.56.91.68.12.59.22.56.21.14.40.83.80.75.10.3
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.
1-400.90.31.30.80.90.62.20.81.80.50.40.41.10.52.10.81.50.81.61.24.81.82.20.61.70.51.70.51.60.2
41-800.60.30.40.41.30.72.20.81.50.53.51.30.80.40.80.51.90.82.61.52.01.21.20.50.90.40.0.1.10.1
81-1200.90.31.30.80.40.41.40.60.50.30.40.40.80.40.30.31.00.62.61.51.91.11.10.50.50.30.30.20.80.1
121-1600.0.0.90.60.50.50.0.0.50.31.60.90.40.30.0.0.40.40.90.90.0.0.0.1.10.40.0.0.40.1
over 1600.30.20.0.0.0.0.0.0.20.20.0.0.20.20.0.0.80.50.0.0.60.60.40.30.50.30.10.10.20.1
uneven-aged0.40.20.0.2.10.92.60.81.70.64.51.62.00.61.70.70.80.50.90.93.31.42.50.73.10.71.40.51.80.2
total3.10.64.01.35.11.48.51.56.31.010.42.25.41.05.01.26.41.58.52.612.52.77.31.17.81.13.50.76.00.3
less 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
1-405.20.811.42.26.61.711.31.714.11.48.72.05.91.18.01.54.91.36.22.38.62.44.60.95.10.917.31.58.60.4
41-808.81.08.01.87.51.710.71.69.51.39.12.09.71.49.61.65.71.415.13.37.02.23.80.82.60.66.21.07.50.4
81-1209.51.113.82.38.81.813.91.813.11.47.51.916.31.79.51.67.31.513.93.19.22.23.70.83.70.72.30.68.70.4
121-1602.00.51.80.91.30.71.40.61.10.45.71.63.10.81.40.66.41.510.12.84.81.83.70.87.91.14.10.83.60.2
over 1600.60.30.0.1.70.90.0.0.40.32.21.00.60.30.90.54.01.22.41.45.11.94.50.96.31.03.50.72.30.2
uneven-aged10.41.16.81.78.61.914.91.99.61.310.72.220.71.817.42.020.22.512.83.18.22.316.41.620.71.615.01.414.50.5
total36.61.741.73.434.63.152.22.647.82.143.83.656.22.346.82.748.53.160.64.542.84.136.72.146.42.048.42.045.30.7
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.
1-401.80.56.61.710.12.05.31.26.31.02.41.11.60.53.51.04.61.32.61.50.60.63.20.82.70.611.11.24.60.3
41-807.81.010.62.110.82.04.21.110.71.33.01.24.71.05.61.24.91.33.41.74.31.74.30.91.90.59.31.16.30.3
81-12014.01.215.22.513.42.214.11.813.41.59.52.18.31.310.21.64.81.35.12.15.11.86.61.13.20.75.20.99.20.4
121-1607.20.95.71.66.51.62.40.82.40.75.01.53.10.86.21.36.41.54.11.86.82.24.10.96.10.92.90.74.80.3
over 1602.40.60.50.53.61.20.0.0.20.21.60.81.00.42.00.83.31.13.31.65.72.07.01.18.11.12.10.63.00.2
uneven-aged23.21.58.82.011.52.110.01.69.51.314.52.515.01.613.21.814.32.14.31.913.12.924.51.919.41.513.61.315.60.5
total56.41.847.43.455.93.336.12.542.52.136.13.433.72.140.62.638.23.022.83.935.64.149.82.241.32.044.31.943.60.7
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 #793880/260212
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)0.40.20.20.21.30.50.70.30.0.1.00.50.60.20.60.31.60.51.00.73.21.11.20.30.80.20.30.20.70.1
1-400.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.30.30.10.10.10.10.10.10.00.0
41-800.10.10.0.0.0.0.10.10.0.0.20.20.20.20.0.0.0.0.0.0.0.0.0.0.0.0.20.10.10.0
81-1200.0.0.0.0.0.0.10.10.20.10.0.0.10.10.0.0.0.0.50.50.0.0.0.0.0.0.0.0.00.0
121-1600.10.10.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.10.10.00.0
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
uneven-aged2.80.44.61.03.40.82.60.63.20.56.91.24.50.77.61.04.50.97.21.76.61.56.00.73.40.52.70.44.20.2
total3.40.54.91.04.71.03.60.73.60.68.21.35.40.78.21.06.11.08.71.910.11.87.20.84.40.63.40.55.10.2
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.
1-400.80.21.80.60.60.41.90.51.40.31.80.60.90.31.80.51.70.61.80.95.21.32.40.51.70.41.80.41.60.1
41-800.40.20.20.21.50.62.00.50.80.32.80.80.90.30.40.21.40.51.40.81.80.80.90.31.00.30.40.21.00.1
81-1200.60.21.10.50.40.31.10.40.60.20.70.41.00.30.90.41.50.53.11.21.00.61.20.30.60.20.20.10.80.1
121-1600.10.10.40.30.20.20.0.0.40.21.50.60.40.20.10.10.40.30.80.60.80.50.20.11.30.30.10.10.40.1
over 1600.10.10.0.0.20.20.10.10.10.10.0.0.70.30.10.11.20.51.40.80.30.30.40.20.40.20.10.10.30.1
uneven-aged0.40.20.40.31.30.52.10.51.40.43.40.92.00.42.30.61.70.61.60.82.40.92.40.53.50.51.40.31.80.1
total2.50.43.90.94.30.97.21.04.70.610.21.55.90.75.60.97.81.210.12.011.61.97.40.88.50.83.90.55.90.2
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
1-405.90.612.11.58.21.310.41.113.31.08.01.35.40.77.21.05.01.07.31.86.81.54.60.75.70.617.61.08.60.3
41-808.60.710.11.48.21.311.81.211.11.08.21.310.81.09.61.15.31.013.72.37.41.64.10.62.80.56.80.77.90.3
81-1209.40.812.11.56.41.115.81.413.31.010.21.514.81.110.01.18.51.29.71.98.81.64.00.63.90.52.90.58.80.3
121-1602.10.42.40.71.30.51.80.51.50.46.91.23.30.63.10.77.01.19.72.04.91.33.70.68.30.84.10.54.00.2
over 1600.70.20.0.0.90.40.20.20.30.22.20.71.10.30.70.34.30.94.31.32.91.03.60.65.90.73.10.52.20.1
uneven-aged10.00.88.21.37.71.213.21.39.70.911.11.519.71.318.41.520.91.814.62.49.31.714.81.120.01.115.41.014.30.3
total36.81.244.92.332.62.253.21.949.21.546.62.455.11.649.11.950.82.259.33.240.22.934.81.546.81.449.81.445.80.5
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.
1-402.70.45.71.110.91.45.70.96.20.73.50.91.60.44.10.84.40.92.61.11.00.63.40.62.00.410.60.84.70.2
41-806.60.610.81.511.21.45.10.89.70.93.00.84.40.75.00.83.50.82.21.02.81.04.50.61.90.47.80.75.80.2
81-12015.00.913.21.614.91.612.31.214.31.17.61.37.60.99.61.14.50.96.11.69.41.76.20.83.50.54.60.69.10.3
121-1607.60.76.71.25.51.12.80.62.10.44.21.02.70.54.50.85.00.93.01.16.61.55.10.75.90.72.80.54.60.2
over 1602.60.40.20.23.00.80.0.0.40.22.70.81.20.31.30.43.70.83.01.16.51.57.30.87.60.71.90.43.00.2
uneven-aged22.81.19.71.412.91.510.01.19.80.914.01.716.21.212.71.314.21.55.01.511.91.924.11.319.51.115.21.015.90.3
total57.31.346.32.358.42.335.91.842.51.535.12.333.71.537.21.835.22.122.02.838.12.950.61.640.31.442.91.443.20.5
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 #793881/260213
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)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
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.20.0.0.0.0.90.50.40.30.70.71.40.52.40.82.41.05.82.34.11.61.90.61.80.50.70.31.20.2
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.
1-400.30.20.0.0.90.60.50.31.40.52.11.11.20.51.60.71.60.87.52.51.41.02.50.73.00.73.50.71.80.2
41-800.70.30.0.0.80.60.80.50.0.0.40.42.20.70.90.52.91.11.81.20.80.81.50.51.00.40.80.41.00.1
81-1200.50.30.90.60.80.64.11.02.10.63.31.32.70.72.40.81.20.75.42.22.41.21.00.41.00.40.50.31.60.2
121-1600.10.10.0.0.0.1.40.60.40.31.20.81.00.51.40.62.91.12.71.51.30.91.00.41.50.50.60.30.90.1
over 1600.0.0.0.0.0.0.0.0.0.0.70.70.0.0.60.40.80.66.52.43.01.51.70.62.90.71.10.40.90.1
uneven-aged0.10.10.60.60.0.0.0.0.40.32.91.21.60.60.50.41.30.70.0.1.71.22.00.60.30.20.80.40.80.1
total1.80.51.50.92.51.06.81.34.20.910.52.28.71.37.51.410.62.023.84.110.62.79.71.39.61.27.41.17.10.3
less 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.
1-404.60.86.41.79.92.012.91.811.41.36.71.75.71.08.01.54.21.34.82.111.32.69.31.35.60.914.11.48.30.4
41-808.61.07.91.910.52.06.71.36.81.113.32.56.71.210.81.76.01.59.52.910.72.85.91.03.60.810.91.37.90.4
81-12012.11.212.52.216.02.421.82.214.71.516.02.716.91.816.22.012.32.09.22.76.72.15.51.05.50.93.90.811.50.4
121-1606.50.93.21.25.71.63.51.03.60.86.41.79.41.45.31.29.01.87.12.45.82.06.11.110.51.23.70.86.20.3
over 1601.40.40.90.61.70.90.0.0.20.20.0.4.10.92.70.93.71.211.83.14.41.98.71.215.61.53.00.74.40.3
uneven-aged2.80.60.40.42.51.01.50.71.50.57.81.96.81.27.81.412.92.13.71.813.42.910.51.47.41.08.11.16.00.3
total36.01.831.23.246.43.346.42.638.02.150.23.649.72.350.82.747.93.246.04.752.24.446.12.248.22.043.82.044.30.7
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.
1-404.30.710.12.012.12.211.21.612.41.34.01.42.40.77.21.44.91.45.02.14.11.85.01.04.40.811.21.37.10.3
41-8011.51.215.32.411.62.29.61.613.81.53.81.44.71.06.21.36.31.53.81.84.11.66.21.11.10.410.01.28.10.4
81-12018.81.428.43.018.02.514.81.921.61.88.82.010.11.412.81.87.21.65.52.28.42.36.71.14.20.85.80.912.20.4
121-16013.31.311.12.27.01.76.01.35.11.010.32.25.71.16.01.37.41.70.90.96.52.25.31.06.91.06.11.07.40.4
over 1603.70.71.50.91.40.80.0.0.50.31.00.74.30.90.60.45.21.43.51.74.41.86.81.113.61.41.90.64.00.3
uneven-aged10.31.10.90.60.90.64.21.13.90.810.72.312.91.66.51.48.11.75.62.25.62.112.31.510.11.213.11.38.60.4
total61.91.867.33.251.13.345.92.657.32.138.53.640.22.339.32.739.13.124.34.133.04.142.42.240.32.048.22.047.40.7
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 #793882/260214
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)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
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.20.0.0.0.0.80.50.40.30.70.61.30.52.60.82.20.95.02.03.71.51.90.61.80.50.60.31.20.1
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.
1-400.40.20.0.0.80.60.50.31.40.51.91.01.40.51.50.71.50.78.12.42.61.22.30.73.90.73.90.72.00.2
41-800.60.30.0.1.20.70.80.50.20.20.40.42.10.71.10.62.61.01.51.10.70.71.40.50.90.40.90.41.00.1
81-1200.50.30.90.60.80.54.11.02.00.63.11.22.50.72.30.81.10.64.71.92.21.10.90.40.90.40.50.31.50.2
121-1600.10.10.0.0.0.1.40.60.40.31.50.91.10.51.30.62.61.02.31.31.20.80.90.41.30.40.60.30.90.1
over 1600.0.0.0.0.0.0.0.0.0.0.70.60.0.0.60.40.70.55.62.13.31.51.60.52.70.61.00.40.90.1
uneven-aged0.10.10.60.60.0.0.0.0.40.32.71.11.50.60.50.41.20.70.80.81.51.11.90.60.30.20.70.30.80.1
total1.80.51.50.92.81.06.71.34.30.910.32.18.61.37.31.49.71.823.03.811.42.69.01.210.01.17.51.07.10.3
less 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.
1-404.50.76.31.610.22.012.71.711.11.26.81.75.81.08.21.55.71.46.72.312.42.610.21.36.91.014.71.38.80.4
41-808.41.07.81.89.91.96.61.37.01.113.12.47.01.210.21.65.81.48.92.610.82.65.71.03.50.710.21.27.70.4
81-12011.91.212.32.216.42.421.82.214.31.515.52.616.81.715.71.911.51.98.82.56.62.05.61.05.10.83.50.711.10.4
121-1606.40.93.51.25.41.53.71.03.50.86.01.79.11.35.01.18.21.76.12.15.11.85.71.09.91.13.40.76.00.3
over 1601.40.40.90.61.60.80.0.0.20.20.0.4.10.92.80.93.71.210.22.75.11.98.21.114.91.43.20.74.30.3
uneven-aged2.70.60.40.42.41.01.40.61.40.58.21.96.91.17.61.413.52.13.91.713.22.710.41.37.31.08.01.06.00.3
total35.21.731.23.245.93.246.32.637.52.049.63.549.72.349.72.748.53.044.74.453.24.145.82.147.51.943.01.943.90.7
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.
1-404.90.810.42.112.62.211.31.613.21.44.21.42.70.77.11.45.91.47.52.43.61.66.01.05.10.811.71.27.60.3
41-8011.31.115.12.411.42.19.71.613.71.44.01.44.81.06.51.36.11.43.21.64.21.56.21.01.30.410.01.18.00.4
81-12018.41.428.53.018.62.514.91.921.41.78.31.99.81.414.11.86.91.56.42.27.42.16.51.13.70.75.40.911.90.4
121-16013.61.210.92.16.61.65.91.35.21.09.72.15.61.15.71.27.51.60.80.85.81.95.10.97.11.05.90.97.30.3
over 1604.00.71.50.91.30.80.0.0.50.30.90.64.50.90.60.44.71.33.11.54.51.76.91.112.61.32.30.64.00.3
uneven-aged10.41.10.90.60.90.64.21.14.00.812.22.413.01.56.51.38.51.76.42.26.22.012.41.410.81.213.51.39.00.4
total62.71.767.33.251.33.246.12.657.82.039.43.540.42.240.42.639.73.027.34.031.73.843.22.140.71.948.81.947.70.7
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 #793883/260215
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)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
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.20.0.0.0.0.70.40.40.30.50.51.40.52.80.82.00.85.01.85.11.71.90.61.70.50.50.31.20.1
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.
1-400.40.20.0.0.70.50.40.31.20.42.00.91.20.51.30.61.70.76.92.12.41.12.30.64.00.73.50.71.90.2
41-800.60.30.0.1.40.70.70.40.10.10.90.62.40.71.00.52.71.01.91.11.41.01.40.51.20.40.80.31.10.1
81-1200.50.20.80.60.70.54.61.01.80.63.11.12.80.72.20.71.00.64.61.71.90.91.00.40.90.30.40.21.60.2
121-1600.10.10.0.0.0.1.40.60.30.21.30.71.20.41.60.62.70.91.91.11.10.80.80.41.50.40.50.30.90.1
over 1600.0.0.0.0.0.0.0.0.0.0.50.50.0.0.50.30.70.55.91.92.81.21.90.62.90.60.90.30.90.1
uneven-aged0.10.10.60.60.0.0.0.0.30.22.41.01.30.50.40.31.00.61.41.01.30.92.10.60.30.20.80.30.70.1
total1.60.41.40.82.81.07.21.33.90.810.21.98.81.27.01.39.81.722.63.410.82.49.61.210.81.16.90.97.10.3
less 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.
1-405.10.77.41.711.01.912.81.611.31.27.11.66.01.08.11.45.51.37.12.113.32.59.81.26.60.914.91.39.00.3
41-808.00.99.41.910.81.96.51.27.21.012.92.27.01.110.51.56.01.47.62.210.02.45.50.93.60.710.71.17.80.3
81-12011.81.111.32.015.82.221.32.013.71.415.22.417.01.615.31.811.21.88.12.26.01.85.40.95.40.83.60.710.90.4
121-1606.80.93.51.25.41.43.70.93.40.75.61.59.71.34.91.08.11.65.81.96.51.85.90.910.31.13.30.66.10.3
over 1601.40.40.80.61.50.70.0.0.10.10.50.54.30.83.00.83.71.19.92.44.51.77.81.115.01.33.10.64.30.2
uneven-aged2.60.50.40.42.40.91.50.61.60.58.61.86.41.08.21.313.01.94.81.811.62.410.61.27.20.97.71.06.00.3
total35.71.632.83.046.93.045.82.537.41.949.93.350.42.150.02.547.42.943.34.052.03.945.02.048.11.843.21.844.10.6
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.
1-404.80.710.32.012.22.011.41.513.61.33.71.22.90.77.11.36.51.47.12.14.01.66.41.05.30.811.51.17.70.3
41-8010.81.013.42.111.11.910.41.513.01.34.01.34.80.96.71.26.21.44.71.73.61.36.11.01.40.410.11.17.80.3
81-12018.51.328.92.917.82.314.01.722.31.67.61.79.41.213.31.67.01.56.72.17.72.06.01.03.60.75.80.811.80.4
121-16013.71.211.12.06.91.56.41.25.30.99.21.95.00.95.31.17.91.60.60.65.71.85.50.96.90.95.90.87.20.3
over 1604.20.71.40.81.50.80.0.0.60.32.51.04.50.90.50.34.31.22.51.24.61.66.71.012.21.22.30.54.00.2
uneven-aged10.41.00.80.60.80.54.11.03.50.712.42.212.81.47.31.39.01.77.42.26.51.912.81.310.11.113.81.29.00.4
total62.41.665.83.150.33.046.32.458.31.939.43.239.42.140.22.440.92.929.13.732.13.643.62.039.41.849.41.847.50.6
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 #793884/260216
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)0.30.20.0.0.80.60.60.41.00.40.70.70.80.40.90.51.60.80.90.93.61.60.60.40.80.40.50.30.80.1
1-401.80.52.11.01.40.82.20.81.30.50.0.1.20.51.30.60.80.61.81.30.80.81.40.50.80.30.70.31.30.2
41-800.70.30.40.41.70.91.90.71.60.52.61.21.00.40.60.40.40.40.0.1.20.91.00.40.40.20.20.20.90.1
81-1201.70.50.40.40.90.61.50.72.60.71.91.01.20.51.80.70.0.0.0.0.0.0.40.30.30.20.30.21.10.1
121-1600.80.30.0.0.40.40.30.31.10.40.60.50.70.40.70.51.10.60.0.1.20.90.80.40.30.20.30.20.60.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.20.20.30.30.40.40.0.0.0.0.60.30.30.20.30.20.20.1
uneven-aged0.50.30.40.40.0.0.60.41.40.50.0.1.00.40.30.30.80.60.0.1.41.00.80.40.50.30.50.30.60.1
total5.80.93.31.35.31.57.11.49.01.25.81.76.01.05.91.35.21.42.71.58.12.35.71.03.50.72.80.75.40.3
less stable0 (unstocked)0.30.20.90.61.30.71.20.60.80.42.51.21.00.40.30.31.60.80.0.0.70.70.80.41.20.40.50.30.90.1
1-403.60.77.21.79.21.912.51.711.21.21.50.83.60.84.51.27.01.66.72.46.52.17.01.13.80.87.71.16.40.3
41-803.20.66.71.76.31.65.91.28.41.26.11.63.40.93.01.02.41.01.91.310.62.74.80.92.20.610.21.25.30.3
81-1209.91.111.02.111.62.112.51.710.91.49.22.013.11.610.11.64.41.38.32.78.32.43.50.85.00.92.60.68.20.4
121-1605.90.94.51.43.01.12.00.82.80.75.21.59.41.44.51.16.81.66.42.44.81.84.50.95.40.93.20.74.90.3
over 1601.60.50.50.50.40.41.40.60.0.2.11.12.90.83.41.03.91.26.22.23.61.64.60.95.40.93.10.72.70.2
uneven-aged2.80.60.90.62.31.02.30.83.40.86.71.811.21.42.10.818.02.45.62.24.91.85.91.16.81.08.41.15.80.3
total27.31.631.73.134.23.237.82.637.52.133.13.444.62.328.02.444.03.135.14.739.34.331.22.129.91.935.61.934.20.6
stable0 (unstocked)0.10.11.40.72.10.90.60.40.80.46.11.82.20.62.10.81.10.62.71.50.0.0.40.31.20.40.0.1.10.1
1-406.00.812.92.114.62.314.41.715.01.47.11.94.60.910.31.77.31.69.42.89.32.46.21.16.61.07.01.08.70.4
41-807.91.015.42.411.72.19.11.59.61.210.32.13.10.89.11.65.91.58.52.77.52.38.11.25.50.917.61.59.20.4
81-12022.61.523.12.815.62.316.81.918.31.69.12.19.71.419.72.19.51.913.93.310.62.78.31.27.71.19.01.213.90.5
121-16013.31.27.41.88.71.97.91.45.41.08.01.99.91.416.42.07.81.78.82.611.72.711.51.412.71.46.00.99.90.4
over 1603.30.70.90.62.71.10.60.40.50.32.21.14.91.03.61.08.41.711.23.12.71.510.41.314.01.44.90.95.30.3
uneven-aged13.91.33.81.35.11.55.71.24.00.818.42.815.01.64.81.210.72.07.62.610.82.718.11.718.81.617.11.512.20.4
total67.01.764.93.260.53.355.12.753.62.261.13.549.42.366.12.650.83.262.24.852.64.363.12.166.61.961.62.060.40.7
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 #793885/260217
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)0.40.20.60.20.50.21.10.30.20.20.60.1
1-400.0.0.0.0.0.0.10.10.0.0.00.0
41-800.10.10.0.0.0.0.0.0.0.0.00.0
81-1200.0.0.0.0.10.10.10.10.0.0.00.0
121-1600.0.0.10.10.0.0.0.0.0.0.00.0
over 1600.0.0.0.0.0.0.10.10.0.0.00.0
uneven-aged3.80.62.50.55.10.73.70.52.70.63.60.3
total4.30.73.20.55.70.75.00.52.90.74.40.3
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-401.00.31.80.41.30.42.10.41.60.51.60.2
41-800.60.21.60.41.40.41.40.30.0.1.10.1
81-1201.00.30.80.30.60.21.00.30.30.20.80.1
121-1600.20.20.30.20.50.20.60.20.0.0.40.1
over 1600.20.20.10.10.0.0.50.20.20.20.20.1
uneven-aged0.30.22.20.42.30.52.30.41.40.51.80.2
total3.40.66.80.76.00.78.00.73.60.76.00.3
less stable0 (unstocked)0.0.0.0.0.0.0.10.10.0.0.00.0
1-406.70.812.11.07.20.85.20.617.21.58.70.4
41-808.90.99.30.99.70.94.70.56.21.07.60.4
81-12010.71.012.61.012.51.05.60.62.40.69.00.4
121-1602.00.51.10.33.10.56.50.64.10.83.60.3
over 1600.50.20.50.21.10.35.30.63.50.72.40.2
uneven-aged9.61.011.20.917.61.217.91.015.01.414.60.5
total38.41.646.91.551.21.645.21.248.52.045.80.7
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-402.90.56.70.72.40.52.90.410.81.24.50.3
41-808.50.98.90.84.70.73.30.49.61.26.40.3
81-12014.41.113.81.09.40.94.60.55.20.99.30.4
121-1606.50.83.30.54.60.75.50.63.10.74.80.3
over 1602.00.50.80.31.60.46.60.62.30.63.10.2
uneven-aged19.61.29.80.914.41.118.91.014.21.415.70.5
total53.91.643.21.537.11.541.91.245.12.043.80.7
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 #793886/260218
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)0.0.0.0.0.0.0.0.0.50.30.0.0.70.40.80.50.30.30.0.0.0.0.50.30.50.30.10.10.30.1
1-400.60.31.00.70.80.60.60.41.70.51.91.12.20.62.30.83.41.16.02.02.21.14.00.83.00.62.80.62.30.2
41-800.10.10.40.40.40.40.80.50.70.30.40.40.50.31.10.60.30.32.11.21.10.82.10.62.00.52.80.61.20.1
81-1200.50.30.0.0.90.60.50.40.0.0.0.0.60.40.70.40.30.30.0.0.50.50.30.20.80.30.10.10.40.1
121-1600.0.0.0.0.0.0.0.0.0.0.90.61.20.50.20.20.0.1.51.00.50.51.10.40.60.30.10.10.40.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.30.30.70.70.80.80.50.30.10.10.0.0.10.0
uneven-aged0.20.20.40.40.50.50.30.30.40.31.60.81.70.60.60.41.40.70.70.71.71.01.60.50.90.31.30.40.90.1
total1.50.41.90.92.61.12.20.83.30.84.81.57.21.15.81.26.11.410.92.76.81.910.11.28.11.07.30.95.70.3
less stable0 (unstocked)0.0.0.0.0.0.1.20.60.0.1.10.80.40.30.50.41.00.60.0.1.30.90.50.30.70.30.40.20.40.1
1-406.80.917.02.313.92.214.31.714.91.410.12.17.01.113.61.712.01.814.12.917.22.99.11.28.41.09.11.010.70.4
41-805.70.85.31.57.61.78.31.58.41.210.72.14.00.88.81.59.21.710.52.65.01.87.81.14.60.817.61.38.30.4
81-1207.40.911.52.17.71.78.81.510.91.311.32.18.51.210.51.65.11.23.61.68.02.13.40.74.80.83.50.77.00.3
121-1604.60.81.70.93.01.15.01.13.40.85.11.49.41.36.71.26.61.47.32.29.22.35.60.97.10.93.90.75.50.3
over 1601.30.40.90.61.30.70.60.40.40.33.11.23.10.81.00.55.11.23.51.52.41.26.20.94.80.83.50.62.90.2
uneven-aged6.40.92.10.98.31.85.31.25.71.010.62.114.71.66.61.315.52.112.72.814.02.711.81.39.51.116.81.310.20.4
total32.31.738.53.241.63.243.52.643.72.152.03.547.02.247.82.654.52.951.64.357.13.944.32.040.01.854.81.744.90.6
stable0 (unstocked)0.40.20.0.2.81.00.0.0.40.33.21.31.30.50.80.41.00.60.0.0.50.51.30.51.20.40.50.30.90.1
1-404.50.77.81.814.22.117.21.813.31.37.41.96.11.05.41.24.71.22.21.23.81.44.30.86.00.94.60.77.00.3
41-808.91.014.12.213.92.28.91.510.41.35.21.55.21.03.81.03.81.18.12.43.91.56.41.04.30.78.51.07.40.3
81-12015.41.321.02.613.12.114.61.819.71.69.21.97.61.216.11.86.21.37.92.37.92.04.40.86.30.93.20.610.30.4
121-16012.81.211.92.13.61.27.21.44.50.93.01.25.61.09.01.45.31.34.91.82.61.13.30.77.20.93.40.66.40.3
over 1602.90.60.90.62.21.00.0.0.20.23.21.12.70.72.80.83.51.14.21.75.61.95.30.99.71.13.90.73.70.2
uneven-aged21.31.54.01.36.11.66.31.34.50.912.02.317.31.68.51.514.92.110.22.611.62.520.61.617.21.413.81.213.70.4
total66.21.759.73.255.83.254.32.653.02.143.33.545.82.246.32.639.42.837.54.136.03.745.62.052.01.838.01.749.40.6
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 #793887/260219
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)0.30.20.0.0.80.60.60.41.00.40.60.60.80.40.90.51.40.70.80.83.21.40.50.30.70.30.40.20.70.1
1-401.90.52.01.01.40.82.20.81.60.50.60.61.50.51.50.70.70.54.71.81.30.91.60.51.20.41.50.41.60.2
41-800.60.30.40.41.60.81.90.71.50.52.41.10.90.40.60.40.40.40.0.1.10.80.80.40.50.30.10.10.80.1
81-1201.70.50.40.41.30.71.50.72.50.71.80.91.30.51.70.70.30.30.0.0.0.0.40.30.30.20.30.21.00.1
121-1600.80.30.0.0.40.40.30.31.10.40.50.50.60.40.60.51.00.60.0.1.10.80.70.30.30.20.30.20.60.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.20.20.30.30.40.40.0.0.0.0.50.30.30.20.30.20.20.1
uneven-aged0.50.30.40.40.0.0.60.41.50.50.0.0.90.40.60.41.40.70.0.1.20.90.70.40.80.30.50.30.70.1
total5.80.83.31.25.51.57.11.49.31.26.01.76.31.06.11.35.51.35.41.97.92.15.30.94.10.73.30.75.60.3
less stable0 (unstocked)0.30.20.90.61.20.71.20.60.80.42.31.10.90.40.30.31.40.70.0.0.60.60.70.41.00.40.40.20.80.1
1-403.60.77.11.78.91.912.51.711.01.22.81.14.10.94.91.26.41.57.12.37.02.09.21.25.60.89.71.17.20.3
41-803.10.66.61.66.51.55.91.28.41.26.11.63.30.82.80.92.81.01.61.110.02.54.70.92.20.59.01.05.10.3
81-1209.51.110.82.111.62.112.51.710.91.38.61.812.71.510.01.54.51.27.72.37.42.23.20.74.20.82.20.57.70.3
121-1605.90.94.81.42.91.12.00.82.70.74.81.49.01.34.21.06.61.56.12.14.31.64.20.84.90.82.60.64.60.3
over 1601.60.50.50.50.40.41.40.60.0.2.61.23.00.83.20.93.41.05.11.83.21.44.00.84.90.82.90.62.60.2
uneven-aged3.10.60.90.62.21.02.30.83.40.86.21.711.11.42.30.816.72.25.42.04.41.76.41.06.90.98.11.05.90.3
total27.01.631.53.133.63.137.72.637.22.133.33.344.12.327.82.441.72.932.94.236.84.032.51.929.71.734.91.733.80.6
stable0 (unstocked)0.10.11.30.72.00.90.60.40.80.45.61.72.10.62.00.71.00.62.31.30.0.0.40.31.00.40.0.1.00.1
1-406.10.813.12.115.22.314.61.714.71.47.61.94.70.910.81.69.51.710.22.711.52.57.81.110.01.110.11.19.90.4
41-807.60.915.72.412.02.19.01.59.61.210.52.13.00.88.91.55.11.39.42.66.72.17.81.15.40.815.51.38.80.4
81-12022.41.523.12.715.42.316.81.918.11.68.51.99.71.419.02.08.61.713.23.010.22.57.51.16.70.97.91.013.10.4
121-16013.51.27.31.88.41.87.91.45.41.07.41.79.91.416.51.98.91.78.92.411.02.510.71.311.51.25.10.89.60.4
over 1603.10.60.90.62.61.10.60.40.50.32.41.14.71.03.71.07.31.59.32.63.01.510.21.212.61.25.30.85.30.3
uneven-aged14.31.33.71.35.31.55.71.24.30.918.62.715.61.65.31.212.42.08.62.512.92.717.81.618.91.417.81.412.90.4
total67.21.765.23.260.93.255.22.753.52.160.63.449.72.366.12.552.83.061.64.355.34.162.22.066.21.861.71.860.60.6
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 #793888/260220
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)0.0.0.0.0.0.0.0.0.60.30.0.0.80.40.90.50.40.40.0.0.0.0.60.40.50.30.20.20.30.1
1-400.70.31.00.70.90.60.60.41.60.50.70.71.80.62.30.82.10.95.72.32.11.22.80.71.90.51.60.51.60.2
41-800.10.10.40.40.50.50.90.50.70.40.40.40.60.31.20.60.0.0.0.0.70.72.20.61.70.53.10.71.10.1
81-1200.60.30.0.0.90.60.60.40.0.0.0.0.70.40.80.50.40.40.0.0.60.60.40.30.90.40.20.20.50.1
121-1600.0.0.0.0.0.0.0.0.0.1.00.71.30.50.30.30.0.1.91.30.60.61.30.50.80.40.20.20.50.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.90.91.01.00.60.30.20.20.0.0.10.1
uneven-aged0.30.20.50.50.50.50.30.30.40.31.80.91.90.60.30.31.70.80.90.91.41.01.40.50.80.41.50.50.90.1
total1.60.51.91.02.71.12.30.83.30.83.81.47.01.25.81.34.91.49.42.86.32.19.31.36.71.06.71.05.00.3
less stable0 (unstocked)0.0.0.0.0.0.0.90.50.0.1.20.80.40.30.60.41.20.70.0.1.51.10.60.40.90.40.30.20.50.1
1-406.70.916.72.314.52.314.41.714.71.49.52.25.91.011.51.78.91.87.62.515.33.16.21.15.40.96.31.09.20.4
41-805.90.94.91.57.51.78.41.58.51.211.22.23.70.98.81.69.11.89.62.85.42.08.51.25.00.919.71.68.50.4
81-1207.61.011.92.28.01.78.91.511.11.311.92.29.01.311.01.75.41.44.72.19.22.54.20.95.50.94.40.87.70.4
121-1604.90.81.80.93.11.25.11.13.50.85.21.59.81.47.41.47.11.68.32.711.32.86.41.18.61.14.80.96.00.3
over 1601.30.40.90.61.30.80.60.40.40.33.41.33.40.81.10.66.11.54.41.91.20.96.91.15.60.94.20.83.00.2
uneven-aged6.20.91.80.97.81.85.11.25.41.011.22.315.21.77.01.416.62.315.53.513.42.911.91.49.21.216.91.510.00.4
total32.51.738.03.242.33.343.42.643.52.153.63.647.42.347.42.754.23.250.14.957.34.344.72.240.12.056.52.044.90.7
stable0 (unstocked)0.40.20.0.2.91.00.0.0.40.33.51.41.40.50.90.51.20.70.0.0.70.71.60.61.40.50.60.31.00.1
1-404.30.78.11.812.82.117.21.813.31.36.61.96.01.05.61.35.21.41.81.32.71.32.70.74.30.82.30.66.50.3
41-809.31.014.62.314.12.39.01.510.71.33.61.35.51.13.71.04.51.38.52.74.11.66.21.13.90.88.61.17.60.4
81-12016.11.320.92.712.82.214.81.819.61.610.12.17.61.316.91.96.31.410.12.99.62.54.20.97.61.13.50.711.20.4
121-16012.71.211.92.23.81.27.31.44.70.93.31.35.81.18.51.55.51.56.32.32.51.33.90.98.21.14.30.86.80.3
over 1602.90.60.50.52.31.00.0.0.0.3.51.23.00.82.80.94.21.35.42.26.12.26.31.111.51.34.40.84.00.3
uneven-aged20.11.54.21.46.41.76.11.34.40.911.92.316.31.78.41.513.92.28.42.710.72.721.11.816.31.513.21.413.00.5
total65.91.760.13.254.93.354.32.753.22.142.63.645.62.346.72.740.83.140.54.836.44.246.02.253.22.036.81.950.00.7
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 #793889/260221
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)0.30.20.0.0.80.60.60.41.00.41.30.90.80.40.80.51.30.70.70.73.11.40.50.30.70.30.40.20.70.1
1-401.90.52.01.01.30.82.20.81.60.50.60.61.50.51.50.71.00.64.51.81.20.91.80.61.20.41.60.41.60.2
41-800.60.30.40.42.00.91.90.71.50.52.41.10.90.40.60.40.40.40.0.1.10.70.80.40.50.20.10.10.80.1
81-1201.60.50.40.41.30.71.50.62.50.71.70.91.30.51.70.70.30.30.0.0.0.0.40.30.30.20.30.21.00.1
121-1600.80.30.0.0.40.40.30.31.10.40.50.50.60.40.60.40.90.50.0.1.10.70.70.30.30.20.30.20.60.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.40.30.20.20.30.30.0.0.0.0.50.30.30.20.30.20.20.1
uneven-aged0.50.30.40.40.0.0.60.41.50.50.0.1.20.50.60.41.30.70.0.1.20.80.70.40.80.30.50.30.70.1
total5.70.83.31.25.81.56.91.39.31.26.51.76.61.16.01.35.71.35.31.97.72.05.40.94.00.73.40.75.60.3
less stable0 (unstocked)0.30.20.90.61.20.71.20.60.80.42.31.10.90.40.30.31.40.70.0.0.60.60.70.41.00.40.40.20.80.1
1-403.50.77.11.78.71.812.61.710.91.22.71.14.20.94.81.17.21.57.82.46.82.09.11.25.80.910.01.17.20.3
41-803.30.66.61.66.81.65.81.28.71.26.01.53.20.83.10.93.01.02.31.39.82.44.70.92.10.59.21.05.20.3
81-1209.41.010.82.111.42.012.81.710.91.38.81.812.51.510.11.54.31.27.52.37.22.13.20.74.20.72.40.67.60.3
121-1605.80.84.81.42.81.12.00.72.70.74.71.49.11.34.21.06.31.45.92.14.11.64.40.84.80.82.60.64.60.3
over 1601.50.40.50.50.40.41.40.60.0.2.51.13.00.83.20.93.31.05.01.83.11.44.00.85.00.82.90.62.60.2
uneven-aged3.20.60.90.62.10.92.20.83.50.86.01.610.91.42.20.816.12.15.31.94.31.66.31.06.90.97.91.05.90.3
total27.11.631.53.133.63.137.92.637.52.132.93.243.92.227.82.341.62.933.84.235.93.932.41.929.71.735.31.733.90.6
stable0 (unstocked)0.10.11.30.72.00.90.60.40.80.45.51.72.10.62.00.70.90.52.21.20.0.0.40.31.00.40.0.1.00.1
1-406.00.813.12.115.02.214.41.714.71.47.81.94.70.910.61.69.51.79.92.611.22.47.71.110.31.110.01.19.80.4
41-807.60.915.72.411.82.18.91.59.61.210.32.03.10.88.91.55.01.39.22.67.22.17.71.15.30.815.21.38.80.4
81-12022.21.523.12.715.52.316.81.918.01.68.31.99.61.319.22.09.01.712.82.910.62.57.71.16.70.98.01.013.10.4
121-16013.61.27.31.88.61.88.11.45.41.07.31.79.71.416.71.98.91.79.42.410.82.410.71.311.41.25.10.89.60.4
over 1603.10.60.90.62.61.00.60.40.50.32.31.14.71.03.60.97.11.49.02.52.91.510.21.212.51.25.20.85.20.3
uneven-aged14.51.33.71.35.21.55.91.24.20.919.12.715.61.65.21.212.31.98.42.413.82.817.91.619.11.417.81.413.00.4
total67.21.765.23.260.73.255.12.653.22.160.63.449.52.366.22.552.72.961.04.356.44.062.22.066.31.861.31.860.50.6
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 #793890/260222
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)0.0.0.0.0.0.0.0.0.60.30.0.0.70.40.90.50.30.30.0.0.0.0.50.30.60.30.10.10.30.1
1-400.60.31.00.70.80.60.60.41.60.51.91.11.90.62.40.83.21.16.32.22.51.23.50.82.90.62.60.62.10.2
41-800.10.10.40.40.40.40.80.50.70.30.40.40.60.31.20.60.0.0.80.81.20.82.20.62.10.52.80.61.20.1
81-1200.50.30.0.0.90.60.60.40.0.0.0.0.70.40.80.40.40.40.0.0.50.50.30.20.90.40.10.10.40.1
121-1600.0.0.0.0.0.0.0.0.0.0.90.61.20.50.30.30.0.1.51.10.50.51.20.40.70.30.10.10.40.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.30.30.70.70.90.90.50.30.20.20.0.0.10.1
uneven-aged0.20.20.50.50.50.50.30.30.40.31.70.81.80.60.60.41.40.70.80.81.20.91.50.50.80.31.20.40.90.1
total1.50.41.91.02.61.12.20.83.20.74.81.57.11.16.01.35.71.410.12.76.82.09.91.28.11.07.00.95.60.3
less stable0 (unstocked)0.0.0.0.0.0.1.20.60.0.1.10.80.40.30.60.41.00.60.0.1.41.00.50.30.70.30.40.20.50.1
1-406.90.916.92.313.92.214.41.714.91.49.82.16.31.112.91.711.21.812.62.915.52.97.51.17.51.09.11.010.20.4
41-805.80.85.31.67.61.78.41.58.51.210.42.14.10.98.61.59.31.711.12.85.51.98.31.24.80.818.01.48.40.4
81-1207.30.911.72.17.71.78.91.510.91.311.62.18.61.310.61.65.31.33.81.78.22.23.70.85.00.83.70.77.10.3
121-1604.70.81.80.93.01.15.01.13.40.85.21.59.81.37.01.36.51.47.72.410.12.55.91.07.51.04.10.75.70.3
over 1601.40.40.90.61.30.70.60.40.40.33.21.23.20.81.00.55.31.33.71.61.10.86.61.04.90.83.70.72.90.2
uneven-aged6.20.91.70.98.31.85.11.25.71.010.82.115.11.66.81.416.12.212.82.914.62.912.21.39.21.116.21.310.10.4
total32.41.738.33.241.83.243.62.643.82.152.03.547.52.247.42.654.72.951.74.456.44.044.62.139.61.855.11.844.90.6
stable0 (unstocked)0.40.20.0.2.81.00.0.0.40.33.31.31.30.50.80.51.00.60.0.0.60.61.40.51.30.40.50.30.90.1
1-404.40.77.91.813.82.117.11.813.31.37.61.95.91.05.61.24.91.32.31.33.01.34.00.85.90.93.90.76.90.3
41-809.01.014.42.313.92.29.01.510.61.34.31.35.41.03.71.03.91.27.82.44.31.65.71.04.20.78.51.07.40.3
81-12015.51.320.92.713.12.214.71.819.61.69.41.97.41.216.41.85.81.38.32.48.62.24.40.96.60.93.00.610.40.4
121-16012.91.211.72.13.61.27.31.44.60.93.11.25.81.19.01.55.51.35.21.92.81.23.60.87.71.03.50.76.50.3
over 1602.80.60.90.62.21.00.0.0.20.23.31.12.90.82.90.93.61.14.51.86.12.15.61.010.01.14.20.73.80.2
uneven-aged21.01.54.11.46.11.66.11.34.40.912.22.316.61.68.21.514.82.110.12.711.32.620.81.716.61.414.31.313.50.4
total66.11.759.83.255.63.254.22.753.02.143.13.545.42.246.52.639.62.938.24.336.83.945.52.152.21.937.81.749.50.6
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 #793891/260223
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)0.20.20.0.0.70.50.80.50.90.41.00.70.90.40.70.41.10.50.70.72.81.20.50.30.70.30.40.20.70.1
1-401.70.41.80.91.30.72.40.81.50.50.50.51.40.51.60.61.20.64.01.61.71.01.70.51.10.41.40.41.60.2
41-800.70.30.40.42.61.01.70.61.70.52.61.01.20.40.50.30.30.30.0.1.00.70.90.40.60.30.10.10.90.1
81-1201.60.40.40.41.50.71.60.62.30.61.50.81.40.51.50.60.30.30.60.60.0.0.30.20.40.20.40.21.00.1
121-1600.70.30.0.0.30.30.50.31.00.40.40.40.90.40.50.41.10.60.0.1.00.70.80.30.40.20.40.20.60.1
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.30.20.20.20.30.30.0.0.0.0.50.30.40.20.20.20.20.1
uneven-aged0.50.20.80.50.0.0.50.31.40.50.0.1.20.50.50.41.20.60.0.1.00.70.60.30.70.30.50.20.70.1
total5.40.83.31.26.41.57.51.38.81.16.11.67.21.15.51.15.51.25.31.87.41.95.30.94.20.73.30.65.60.3
less stable0 (unstocked)0.20.20.80.61.50.81.00.50.70.31.90.91.20.40.30.31.20.60.0.0.50.50.80.40.90.30.30.20.70.1
1-404.20.78.81.88.81.812.31.610.51.24.11.34.50.94.81.17.21.47.72.26.81.99.41.15.60.810.01.07.40.3
41-803.10.66.51.67.31.65.21.19.61.25.81.53.10.72.70.82.60.92.01.19.72.35.00.82.30.59.11.05.20.3
81-1209.71.010.72.010.61.912.21.610.71.29.31.711.91.410.41.44.41.17.12.16.91.93.20.74.50.72.40.57.60.3
121-1605.80.84.41.32.61.02.20.72.70.74.71.39.01.24.10.96.51.36.72.14.71.54.10.84.90.82.60.54.60.3
over 1601.40.40.40.40.30.31.20.60.0.2.11.03.10.73.30.93.41.04.61.72.71.24.50.85.10.82.90.62.60.2
uneven-aged3.40.61.30.82.30.92.50.83.30.76.01.510.61.31.90.716.02.06.82.14.71.66.00.96.60.98.10.95.80.3
total27.91.533.03.033.42.936.62.437.42.033.83.043.42.127.52.241.32.734.84.036.13.632.91.829.91.635.61.634.00.6
stable0 (unstocked)0.10.11.20.72.20.90.50.30.90.46.11.62.20.62.00.71.40.62.61.30.50.50.50.30.90.30.0.1.10.1
1-406.10.812.41.914.92.114.21.614.81.37.21.75.00.910.61.59.41.610.12.512.32.48.21.110.41.110.11.09.90.4
41-807.40.916.02.311.32.010.31.58.91.19.21.82.80.78.51.45.41.29.12.46.91.97.41.05.30.815.01.28.60.3
81-12022.81.423.02.614.32.116.81.817.61.57.81.79.81.319.91.98.61.512.42.711.02.47.31.07.30.97.90.913.10.4
121-16013.31.27.01.68.81.77.21.36.51.08.21.79.31.315.91.88.31.58.52.210.42.310.21.211.41.15.20.79.50.4
over 1602.90.60.80.62.71.00.50.40.70.32.41.05.11.04.51.06.61.38.12.33.11.410.71.212.41.25.20.85.30.3
uneven-aged14.11.23.31.25.91.56.41.24.40.819.32.515.21.55.51.113.51.99.02.412.32.517.41.518.21.317.91.312.90.4
total66.71.663.73.160.13.055.92.553.82.060.13.249.42.167.02.353.22.759.94.156.53.761.81.965.91.761.11.760.30.6
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 #793892/260224
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)0.40.20.60.20.50.21.10.30.50.30.70.1
1-400.0.0.0.0.0.0.10.10.0.0.00.0
41-800.10.10.0.0.0.0.0.0.0.0.00.0
81-1200.0.0.0.0.10.10.10.10.0.0.00.0
121-1600.0.0.10.10.0.0.10.10.0.0.00.0
over 1600.0.0.0.0.0.0.10.10.0.0.00.0
uneven-aged4.00.62.90.55.90.74.60.53.30.74.20.3
total4.60.73.50.56.50.85.90.63.80.75.10.3
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-401.00.31.80.41.30.42.10.31.70.51.60.2
41-800.60.21.70.41.30.41.40.30.0.1.10.1
81-1201.00.30.80.30.60.21.10.20.30.20.80.1
121-1600.20.20.30.20.50.20.50.20.0.0.40.1
over 1600.20.20.10.10.10.10.50.20.10.10.20.1
uneven-aged0.30.22.10.42.30.52.40.41.40.51.80.2
total3.30.66.80.76.10.77.90.73.50.76.00.3
less stable0 (unstocked)0.0.0.0.0.0.0.10.10.0.0.00.0
1-406.50.811.90.97.20.85.20.517.31.58.60.4
41-808.70.99.40.99.60.94.70.56.21.07.50.4
81-12010.51.012.51.012.21.05.60.52.30.68.80.4
121-1601.90.41.20.33.00.56.20.64.10.83.60.2
over 1600.50.20.50.21.00.35.00.53.50.72.30.2
uneven-aged9.60.911.00.917.71.217.60.915.01.414.60.5
total37.91.546.51.550.81.644.41.248.42.045.40.7
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-402.80.56.80.72.40.53.00.411.11.24.60.3
41-808.50.98.70.84.70.73.40.49.31.16.30.3
81-12014.31.113.71.09.10.94.80.55.20.99.20.4
121-1606.80.83.20.54.50.65.40.52.90.74.70.3
over 1602.00.40.80.21.50.46.40.62.10.63.00.2
uneven-aged19.91.210.10.914.41.118.70.913.61.315.70.5
total54.21.643.21.536.61.541.81.244.31.943.60.7
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 #793893/260225
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)0.40.10.50.10.70.21.30.20.30.20.70.1
1-400.0.0.00.00.0.0.10.10.10.10.00.0
41-800.10.10.00.00.10.10.0.0.20.10.10.0
81-1200.0.0.10.10.00.00.00.00.0.0.00.0
121-1600.10.10.00.00.0.0.00.00.10.10.00.0
over 1600.0.0.0.0.0.0.00.00.0.0.00.0
uneven-aged3.30.43.10.45.90.54.80.42.70.44.20.2
total3.70.43.80.46.80.56.30.43.40.55.10.2
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-401.00.21.40.21.30.22.20.31.80.41.60.1
41-800.40.11.30.21.10.21.10.20.40.20.90.1
81-1200.70.20.80.20.90.21.10.20.20.10.80.1
121-1600.20.10.20.10.50.20.70.10.10.10.40.1
over 1600.10.10.10.10.40.10.60.10.10.10.30.1
uneven-aged0.40.11.60.32.30.32.70.31.40.31.80.1
total2.80.45.40.56.60.58.40.53.90.55.90.2
less stable0 (unstocked)0.0.0.0.0.0.0.00.00.0.0.00.0
1-407.30.611.40.76.60.55.40.417.61.08.70.3
41-809.00.610.70.69.90.64.70.46.80.77.90.3
81-12010.10.712.60.712.30.75.50.42.90.58.80.3
121-1602.20.31.50.33.90.46.50.44.10.53.90.2
over 1600.50.20.40.11.10.24.60.43.10.52.10.1
uneven-aged9.60.710.30.617.60.817.30.715.41.014.30.3
total38.71.147.01.051.41.144.00.949.81.445.80.5
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-403.40.47.00.52.80.42.80.310.60.84.70.2
41-807.60.68.60.64.30.43.10.37.80.75.80.2
81-12014.60.813.80.78.30.65.20.44.60.69.20.3
121-1607.40.63.00.43.60.45.30.42.80.54.60.2
over 1602.00.30.80.21.50.36.50.41.90.43.00.2
uneven-aged19.70.910.50.614.60.818.50.715.21.015.90.3
total54.71.143.81.035.21.041.30.942.91.443.20.5
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 #793894/260226
NFI2
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
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %±
n/a0 (unstocked)0.20.20.50.21.60.42.40.40.70.31.20.2
1-400.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.
total0.20.20.50.21.60.42.40.40.70.31.20.2
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-400.20.21.00.31.50.42.80.43.50.71.80.2
41-800.50.20.50.21.40.41.50.30.80.41.00.1
81-1200.60.32.50.52.80.51.50.30.50.31.70.2
121-1600.10.10.60.21.20.31.60.30.60.30.90.1
over 1600.0.0.0.0.30.22.40.41.10.40.90.1
uneven-aged0.20.10.20.11.40.41.10.30.80.40.80.1
total1.70.44.70.68.60.910.90.87.41.17.10.3
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-404.90.711.60.96.80.87.00.614.11.48.40.4
41-808.40.97.50.89.40.95.60.610.91.37.90.4
81-12012.21.017.11.116.51.26.90.63.90.811.50.4
121-1605.80.84.00.67.40.88.30.73.70.86.20.3
over 1601.30.40.50.22.80.510.30.83.00.74.40.3
uneven-aged2.30.51.70.47.30.89.50.78.11.16.00.3
total34.91.542.41.550.21.647.71.243.82.044.30.7
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-405.50.712.00.94.30.64.70.511.21.37.00.3
41-8012.41.011.91.05.10.74.00.510.01.28.10.4
81-12021.11.318.71.110.91.05.90.65.80.912.30.4
121-16012.81.15.80.76.70.86.10.66.11.07.30.4
over 1603.20.60.50.22.40.58.70.71.90.64.00.3
uneven-aged8.30.93.40.510.11.09.80.713.11.38.60.4
total63.21.652.41.539.61.639.01.248.22.047.40.7
total0 (unstocked)0.20.20.50.21.60.42.40.40.70.31.20.2
1-4010.61.024.71.212.61.014.50.928.81.817.20.5
41-8021.31.319.91.215.91.211.10.821.71.716.90.5
81-12034.01.538.31.430.21.414.30.910.21.225.40.6
121-16018.71.310.30.915.31.116.00.910.51.214.50.5
over 1604.50.71.00.35.60.721.51.06.11.09.30.4
uneven-aged10.71.05.30.718.81.220.31.022.01.715.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793895/260227
NFI2
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
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %±
n/a0 (unstocked)0.20.20.40.21.60.42.30.40.60.31.20.1
1-400.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.
total0.20.20.40.21.60.42.30.40.60.31.20.1
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-400.30.21.00.31.50.43.30.43.90.72.00.2
41-800.50.20.60.21.40.41.30.30.90.41.00.1
81-1200.60.22.40.42.60.51.30.30.50.31.60.2
121-1600.10.10.60.21.30.31.50.30.60.30.90.1
over 1600.0.0.0.0.30.22.30.41.00.40.90.1
uneven-aged0.20.10.20.11.40.31.00.20.70.30.70.1
total1.70.44.80.68.50.910.70.77.51.07.10.3
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-404.80.711.50.96.90.88.20.614.71.38.80.4
41-808.20.97.50.89.30.95.50.510.21.27.70.4
81-12012.01.017.01.116.21.16.60.63.50.711.10.4
121-1605.80.73.90.67.20.87.70.63.40.76.00.3
over 1601.30.40.50.22.90.59.90.73.20.74.30.3
uneven-aged2.20.51.70.47.30.89.50.78.01.06.00.3
total34.31.542.01.449.71.547.41.243.01.943.90.7
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.
1-406.00.712.50.94.40.65.50.511.71.27.60.3
41-8012.21.011.90.95.30.73.90.510.01.18.00.4
81-12020.81.318.81.111.11.05.60.55.40.911.90.4
121-16013.01.15.70.76.40.86.00.65.90.97.20.3
over 1603.40.60.50.22.50.58.30.72.30.64.10.3
uneven-aged8.40.93.40.510.40.910.20.713.51.39.00.4
total63.71.552.81.440.21.539.61.248.81.947.70.7
total0 (unstocked)0.20.20.40.21.60.42.30.40.60.31.20.1
1-4011.21.025.01.212.91.017.00.930.31.718.40.5
41-8020.91.320.01.216.01.110.70.721.11.616.60.5
81-12033.41.538.21.429.91.413.50.89.41.124.60.5
121-16018.91.210.20.914.91.115.20.89.91.114.10.5
over 1604.70.71.00.35.70.720.61.06.50.99.30.4
uneven-aged10.81.05.20.719.11.220.71.022.31.615.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793896/260228
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