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NFI4
forest area
predominant tree species · 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
predominant tree speciesstand age (classes of 40 years) %± %± %± %± %± %± %±
n/a0 (unstocked)8.23.214.46.720.88.329.811.215.510.117.79.314.52.7
1-4080.74.671.38.662.39.959.012.084.510.159.011.972.83.4
41-804.02.310.75.912.76.95.75.50.0.17.49.27.42.0
81-1202.82.03.53.40.0.0.0.0.0.0.0.1.81.0
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-aged4.32.40.0.4.14.15.55.40.0.5.85.63.51.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
spruce0 (unstocked)0.30.23.00.70.90.51.91.02.20.72.61.31.70.3
1-4022.11.612.61.414.71.99.92.114.21.710.22.415.30.7
41-8017.71.512.51.413.21.99.82.19.31.49.52.312.90.7
81-12020.21.613.91.519.82.19.82.011.51.510.32.415.30.7
121-16014.51.414.21.520.12.218.02.619.61.916.93.016.70.8
over 1604.50.99.91.39.01.514.72.416.41.717.23.010.50.6
uneven-aged20.71.733.92.022.32.335.83.326.72.133.33.727.50.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
fir0 (unstocked)0.0.2.21.10.0.5.65.47.16.90.0.0.90.4
1-4017.72.010.52.314.33.95.65.413.89.00.0.14.31.3
41-8012.61.77.21.98.03.19.96.66.96.712.76.910.41.2
81-12023.22.222.03.128.75.09.46.413.79.08.35.622.41.6
121-16023.12.217.62.926.74.910.06.713.48.917.47.921.21.6
over 1602.90.96.81.93.62.09.96.614.19.313.27.14.80.8
uneven-aged20.52.133.63.518.74.449.611.231.011.748.510.525.91.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
pine0 (unstocked)0.0.0.0.0.0.2.02.00.0.0.0.0.50.5
1-4028.85.713.48.87.37.09.34.47.73.70.0.14.92.5
41-8018.64.820.710.626.511.435.67.219.95.616.815.323.73.0
81-12029.55.712.68.420.910.717.25.632.26.516.114.824.93.1
121-1609.13.66.86.65.85.611.14.715.45.016.815.311.02.2
over 1600.0.6.46.20.0.6.43.69.84.216.815.35.11.6
uneven-aged14.04.340.112.739.612.718.45.815.04.933.419.319.92.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
larch0 (unstocked)10.47.00.0.0.0.1.20.94.01.90.0.1.90.7
1-4046.011.185.613.327.716.811.32.514.43.49.02.514.51.7
41-8019.38.70.0.13.913.011.42.513.33.318.13.314.11.7
81-12019.58.80.0.28.217.07.42.19.52.96.72.28.51.3
121-1600.0.0.0.15.714.39.42.27.82.68.92.58.41.3
over 1600.0.0.0.14.513.420.43.122.84.115.73.118.21.8
uneven-aged4.84.714.413.30.0.38.83.828.24.441.54.334.42.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stone pine0 (unstocked)0.0.0.0.0.0.4.04.00.0.0.0.1.51.5
1-400.0.47.335.20.0.4.04.02.62.60.0.4.42.5
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.3.93.812.95.40.0.8.83.4
121-1600.0.0.0.0.0.0.0.14.95.70.0.8.63.4
over 1600.0.52.735.20.0.16.57.618.56.30.0.18.34.8
uneven-aged0.0.0.0.100.0.71.59.251.18.0100.0.58.56.0
total0.0.100.0.100.0.100.0.100.0.100.0.100.0.
other conifers0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4024.910.80.0.0.0.0.0.0.0.0.0.19.88.9
41-8025.511.0100.0.0.0.0.0.48.935.30.0.30.510.4
81-12037.112.10.0.0.0.0.0.0.0.0.0.29.510.2
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-aged12.48.20.0.100.0.0.0.51.135.30.0.20.29.0
total100.0.100.0.100.0.0.0.100.0.0.0.100.0.
beech0 (unstocked)0.80.42.81.40.90.90.0.5.45.30.80.81.20.3
1-4015.01.38.82.417.33.66.26.05.75.67.22.313.21.0
41-8017.71.58.72.416.33.657.611.95.45.336.54.318.91.2
81-12040.31.927.53.835.84.56.26.028.510.810.82.834.01.4
121-16011.61.215.83.17.02.46.05.822.59.98.42.511.41.0
over 1601.70.52.21.32.71.50.0.0.0.3.41.72.00.4
uneven-aged12.91.334.24.020.03.824.010.432.311.033.04.219.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
maple0 (unstocked)1.31.30.0.3.73.60.0.0.0.0.0.1.30.9
1-4041.85.342.08.853.69.585.713.547.124.735.112.745.03.8
41-8022.84.535.58.614.66.80.0.0.0.50.113.424.73.3
81-12016.44.03.33.314.16.50.0.0.0.0.0.11.22.4
121-1602.51.70.0.0.0.0.0.0.0.0.0.1.20.9
over 1600.0.3.23.20.0.0.0.0.0.0.0.0.60.6
uneven-aged15.33.915.96.514.06.514.313.552.924.714.89.616.02.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
ash0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4028.04.334.812.726.68.539.613.734.414.234.08.830.33.2
41-8031.44.536.412.936.49.27.57.227.513.644.49.332.73.3
81-12017.13.77.27.019.97.36.86.60.0.3.73.613.22.4
121-1605.62.27.67.37.04.80.0.10.610.00.0.5.01.6
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged17.93.714.09.210.25.646.113.927.513.617.97.218.82.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
oak0 (unstocked)1.41.40.0.0.0.0.0.0.0.0.0.0.90.9
1-4019.74.60.0.0.0.0.0.0.0.4.94.813.33.1
41-8030.85.249.125.10.0.56.713.30.0.49.111.236.84.4
81-12022.24.725.522.0100.0.7.37.129.725.610.36.919.23.6
121-16013.03.90.0.0.0.0.0.33.627.40.0.9.12.6
over 1601.31.30.0.0.0.0.0.0.0.0.0.0.80.8
uneven-aged11.63.625.522.00.0.36.012.936.728.535.710.819.83.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
chestnut0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.0.23.120.70.0.11.23.111.53.0
41-800.0.0.0.0.0.0.0.0.0.36.44.734.94.6
81-1200.0.0.0.0.0.23.120.70.0.6.92.57.42.5
121-1600.0.0.0.0.0.0.0.0.0.3.81.93.61.8
over 1600.0.0.0.0.0.0.0.0.0.3.61.83.51.7
uneven-aged100.0.0.0.0.0.53.824.60.0.38.04.839.14.7
total100.0.0.0.0.0.100.0.0.0.100.0.100.0.
other broadleaves0 (unstocked)2.41.70.0.5.75.60.0.3.53.40.0.1.20.6
1-4039.05.366.09.175.410.645.27.856.49.233.84.143.62.7
41-8024.64.715.16.96.05.839.27.633.38.748.04.434.52.6
81-12010.63.33.53.50.0.2.12.10.0.0.0.3.31.0
121-1600.0.0.0.0.0.0.0.0.0.0.80.80.30.3
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged23.44.615.47.112.98.413.55.16.94.717.33.417.12.1
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, 17.06.2020 #871766/338098
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