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NFI3
forest area
predominant tree species · stand age (in 40-year classes)
regional demarcation: protection forest region
unit: %, subtotal
evaluation area: accessible forest without shrub forest
grid: 1.4-km grid
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
predominant tree speciesstand age (in 40-year classes)%±%±%±%±%±%±%±
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)24.75.136.97.327.57.412.26.64.04.07.04.821.92.7
1-40 years67.05.543.27.561.38.160.29.875.88.649.89.559.83.2
41-80 years1.41.42.22.22.82.78.05.40.0.18.17.34.21.3
81-120 years1.41.40.0.5.73.90.0.0.0.0.0.1.30.8
121-160 years0.0.4.33.00.0.3.93.90.0.3.73.61.70.8
>160 years0.0.0.0.0.0.0.0.4.04.03.53.50.80.6
uneven-aged5.52.713.45.12.72.615.77.216.17.417.87.210.22.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
sprucen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)1.40.53.80.82.40.82.01.03.10.91.30.92.50.3
1-40 years23.41.610.21.312.31.813.32.414.21.77.62.115.10.7
41-80 years16.21.49.31.213.41.97.81.96.81.27.42.111.10.6
81-120 years26.01.717.51.621.22.212.32.310.81.516.63.018.70.8
121-160 years16.81.416.11.523.72.323.02.920.42.015.72.918.70.8
>160 years3.90.810.41.312.51.818.22.720.11.920.23.211.90.7
uneven-aged12.31.332.72.014.51.923.53.024.62.131.33.722.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
firn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.60.41.91.12.71.94.74.613.08.60.0.1.70.5
1-40 years12.51.87.52.111.53.69.36.313.08.618.78.411.21.2
41-80 years13.11.97.32.06.62.913.87.412.78.44.74.610.51.2
81-120 years36.62.726.93.536.95.59.06.16.36.19.86.631.41.9
121-160 years15.82.026.03.526.15.018.48.318.39.634.010.420.61.6
>160 years4.41.28.72.25.92.613.37.212.38.214.47.76.61.0
uneven-aged16.92.121.63.310.33.431.59.924.310.618.38.318.11.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
pinen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 years14.34.218.89.80.0.9.23.96.83.30.0.10.12.0
41-80 years11.33.812.48.28.38.026.96.015.04.628.317.016.72.5
81-120 years40.85.813.38.733.213.618.45.327.35.814.513.428.23.0
121-160 years9.73.517.99.416.910.916.25.016.94.913.912.914.52.4
>160 years0.0.0.0.8.58.19.03.811.84.20.0.6.01.6
uneven-aged23.95.037.712.133.113.520.35.422.15.443.318.824.72.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
larchn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.2.11.50.0.0.50.3
1-40 years49.211.260.121.922.714.113.12.715.33.615.43.116.81.8
41-80 years25.79.919.717.722.714.19.32.35.02.212.52.810.41.5
81-120 years25.19.70.0.33.215.712.92.68.12.813.22.912.71.6
121-160 years0.0.0.0.0.0.19.63.111.23.29.52.513.01.6
>160 years0.0.0.0.21.413.522.33.323.74.314.83.119.01.9
uneven-aged0.0.20.218.00.0.22.73.334.54.834.54.127.62.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
Arolla pinen/a..0.0...0.0.0.0.0.0.0.0.
0 (unstocked)..0.0...0.0.0.0.0.0.0.0.
1-40 years..0.0...7.55.12.62.60.0.4.42.5
41-80 years..51.535.3..0.0.2.72.70.0.3.12.2
81-120 years..0.0...3.73.70.0.100.00.02.92.0
121-160 years..48.535.3..0.0.10.75.10.0.7.63.3
>160 years..0.0...18.97.623.46.80.0.20.64.9
uneven-aged..0.0...69.98.960.67.90.0.61.45.9
total..100.0...100.0.100.0.100.0.100.0.
other conifersn/a0.0...0.0...0.0.0.0.0.0.
0 (unstocked)0.0...0.0...0.0.0.0.0.0.
1-40 years51.712.1..0.0...0.0.100.00.049.011.2
41-80 years12.88.4..100.00.0..0.0.0.0.15.98.3
81-120 years23.610.3..0.0...0.0.0.0.19.98.9
121-160 years0.0...0.0...0.0.0.0.0.0.
>160 years0.0...0.0...0.0.0.0.0.0.
uneven-aged11.97.9..0.0...100.00.00.0.15.38.1
total100.0...100.0...100.0.100.0.100.0.
beechn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)1.70.52.21.30.0.0.0.5.15.01.51.11.60.4
1-40 years11.81.27.52.313.33.211.87.95.15.09.62.611.00.9
41-80 years18.91.512.22.814.13.347.612.120.59.137.44.420.11.2
81-120 years41.91.930.74.038.84.55.65.529.710.212.53.035.91.5
121-160 years16.41.519.23.422.93.90.0.9.66.54.81.915.81.1
>160 years1.80.55.61.94.01.85.65.50.0.3.51.72.80.5
uneven-aged7.61.022.63.66.82.329.311.030.010.330.74.212.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
maplen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.6.04.20.0.0.0.0.0.0.0.1.30.9
1-40 years44.66.041.48.835.39.474.821.825.822.135.012.741.64.0
41-80 years13.64.218.46.823.28.30.0.23.921.035.112.718.33.2
81-120 years26.65.46.24.226.68.725.221.80.0.14.79.620.23.3
121-160 years6.02.96.04.10.0.0.0.25.221.80.0.4.81.8
>160 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged9.13.622.07.414.96.90.0.25.121.715.29.813.82.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
ashn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.6.15.90.0.0.0.0.0.0.0.0.50.5
1-40 years24.74.211.87.926.48.050.314.436.814.662.09.930.63.3
41-80 years27.14.441.312.028.38.10.0.17.911.516.57.625.13.1
81-120 years27.04.411.17.435.78.716.410.718.311.70.0.22.63.0
121-160 years6.82.50.0.0.0.0.0.8.78.30.0.4.01.4
>160 years0.90.90.0.0.0.0.0.0.0.0.0.0.50.5
uneven-aged13.43.329.811.29.65.333.313.618.311.721.58.516.72.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
oakn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 years17.54.30.0.0.0.15.610.20.0.20.58.216.93.4
41-80 years22.84.7100.00.050.935.368.712.90.0.42.610.132.94.2
81-120 years35.55.40.0.49.135.30.0.67.726.816.47.528.24.0
121-160 years10.43.50.0.0.0.0.0.0.0.8.15.58.22.5
>160 years2.71.90.0.0.0.0.0.0.0.0.0.1.71.2
uneven-aged11.13.50.0.0.0.15.610.232.326.812.56.812.02.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
sweet chestnutn/a0.0.....0.0...0.0.0.0.
0 (unstocked)0.0.....0.0...0.0.0.0.
1-40 years0.0.....0.0...13.83.313.33.2
41-80 years0.0.....33.927.5..40.34.839.84.7
81-120 years100.00.0....0.0...8.72.89.22.8
121-160 years0.0.....0.0...6.52.46.32.3
>160 years0.0.....0.0...5.32.15.22.0
uneven-aged0.0.....66.127.5..25.44.226.24.2
total100.0.....100.0...100.0.100.0.
other broadleavesn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)1.41.40.0.6.05.82.62.60.0.0.0.1.00.5
1-40 years38.25.441.410.174.411.051.38.061.28.548.34.348.32.8
41-80 years21.24.68.05.47.06.822.96.717.66.533.54.124.32.4
81-120 years14.03.912.76.90.0.7.94.30.0.3.11.56.61.4
121-160 years6.22.74.14.00.0.0.0.3.13.00.0.2.10.8
>160 years1.21.24.34.20.0.0.0.0.0.0.0.0.60.4
uneven-aged17.74.329.69.412.58.315.35.818.26.715.13.117.12.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)2.00.34.70.73.20.71.60.52.70.60.80.32.50.2
1-40 years21.10.813.01.118.11.518.21.617.41.421.51.418.70.5
41-80 years16.80.810.20.913.41.313.41.48.01.024.51.514.80.5
81-120 years31.91.019.21.226.11.711.31.311.01.210.71.121.70.5
121-160 years14.00.716.71.219.31.515.91.516.31.47.90.914.70.5
>160 years2.60.38.10.88.11.114.91.517.41.48.41.08.00.3
uneven-aged11.70.728.11.411.81.324.71.827.21.626.21.619.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 05.03.2024 #1235855/417605

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1235855. Birmensdorf, Swiss Federal Research Institute WSL

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