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NFI1
total number of stems NFI1
diameter at breast height (10 classes) · main tree species
regional demarcation: protection forest region
unit: %, subtotal
evaluation area: accessible forest without shrub forest NFI1-NFI5
grid: 1.4 km grid, subgrids 1-5
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
diameter at breast height (10 classes)main tree species%±%±%±%±%±%±%±
n/an/a..............
spruce..............
fir..............
pine..............
larch..............
Arolla pine..............
other conifers..............
beech..............
maple..............
ash..............
oak..............
sweet chestnut..............
other broadleaves..............
indeterminable..............
total..............
12-20 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce28.41.945.22.639.73.439.23.757.63.68.91.433.61.1
fir15.61.214.51.411.01.52.81.02.00.61.90.610.50.6
pine1.60.51.40.80.80.419.63.712.42.70.30.23.90.5
larch0.30.10.10.10.30.312.52.04.61.15.51.12.50.3
Arolla pine0.0.0.0.0.0.1.90.64.21.00.0.0.50.1
other conifers1.10.30.00.00.90.30.40.40.30.30.0.0.60.1
beech29.11.518.21.820.92.35.81.95.31.420.42.820.60.8
maple5.20.55.80.86.11.12.40.90.80.50.90.34.20.3
ash5.30.65.41.17.31.61.70.62.11.42.80.84.60.4
oak4.10.90.90.30.20.12.10.70.20.24.01.52.50.4
sweet chestnut0.0.0.0.0.0.0.40.30.0.27.13.33.90.6
other broadleaves9.30.98.31.112.82.411.32.010.52.328.12.812.50.7
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-30 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce26.61.554.02.646.73.348.13.863.83.420.93.239.41.1
fir16.31.215.41.711.11.62.91.21.20.51.30.611.30.6
pine2.70.51.20.61.60.717.43.211.32.21.10.64.30.4
larch0.60.20.20.10.40.317.92.88.91.59.51.93.70.4
Arolla pine0.0.0.0.0.0.3.51.05.31.50.0.0.80.2
other conifers0.30.10.0.0.10.10.0.0.0.0.0.0.10.0
beech31.11.517.71.820.52.44.41.74.31.321.43.121.30.8
maple6.00.65.40.98.31.20.70.31.00.50.50.34.70.3
ash6.30.73.40.86.81.41.30.61.40.90.60.34.40.4
oak4.50.50.40.20.40.30.90.60.0.3.81.32.40.3
sweet chestnut0.0.0.0.0.0.0.20.20.10.121.63.42.10.4
other broadleaves5.70.72.30.64.21.02.90.92.71.419.22.85.60.5
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
31-40 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce35.01.662.22.454.13.254.63.863.23.234.14.347.11.1
fir17.11.115.11.614.72.03.51.61.70.54.61.513.00.7
pine6.60.80.80.31.00.59.11.910.42.12.21.55.10.5
larch0.80.20.40.20.0.23.13.013.82.115.03.04.60.4
Arolla pine0.0.0.10.10.0.3.91.45.61.40.0.0.90.2
other conifers0.30.20.0.0.0.0.30.30.0.0.0.0.20.1
beech26.21.314.81.819.92.61.81.03.01.015.22.718.20.8
maple3.10.42.70.75.81.20.50.50.20.10.50.42.70.3
ash4.70.52.10.52.80.80.60.60.20.20.80.72.90.3
oak3.00.40.10.10.20.10.0.0.40.35.11.81.70.2
sweet chestnut0.0.0.0.0.0.0.80.50.10.111.62.40.80.2
other broadleaves3.20.51.70.61.70.51.90.81.40.810.82.72.90.3
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
41-50 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce43.01.764.52.462.52.854.33.665.33.144.44.353.41.1
fir16.41.218.61.715.52.05.11.62.61.07.72.313.90.7
pine7.50.92.31.01.30.86.82.37.81.80.30.35.20.5
larch0.80.20.40.20.60.328.73.215.42.217.92.75.30.4
Arolla pine0.0.0.0.0.0.2.21.03.81.10.0.0.60.1
other conifers0.70.40.0.0.0.0.0.0.0.0.0.0.30.2
beech22.91.311.41.714.52.01.50.93.91.312.32.515.20.7
maple1.60.31.30.42.20.70.0.0.50.30.0.1.30.2
ash2.90.40.70.32.30.70.0.0.0.0.70.51.70.2
oak2.90.50.0.0.10.10.0.0.40.31.50.81.40.2
sweet chestnut0.0.0.0.0.0.0.30.30.10.112.52.60.80.2
other broadleaves1.10.30.80.30.90.31.30.70.20.22.61.11.00.2
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
51-60 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce49.42.261.83.170.13.355.14.664.13.946.95.357.11.4
fir16.01.619.72.515.32.64.92.22.61.12.61.313.30.9
pine4.90.90.90.70.0.2.71.27.22.31.20.83.20.5
larch1.00.32.10.82.21.233.04.418.73.123.14.37.60.7
Arolla pine0.0.0.0.0.0.1.10.73.91.30.0.0.60.2
other conifers0.30.20.0.0.0.0.0.0.0.0.0.0.10.1
beech19.41.713.32.410.72.41.11.12.71.413.33.812.91.0
maple1.50.50.50.30.70.50.0.0.30.30.0.0.80.2
ash2.40.60.60.30.30.30.0.0.60.60.0.1.10.2
oak3.70.70.0.0.0.0.0.0.0.0.70.71.40.3
sweet chestnut0.0.0.0.0.0.0.60.60.0.10.12.80.70.2
other broadleaves1.40.51.00.50.60.61.71.30.0.2.01.21.10.3
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
61-70 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce47.63.762.64.881.74.543.08.457.96.351.48.257.22.3
fir16.72.525.44.55.42.23.12.22.01.95.02.912.71.4
pine3.81.51.01.01.01.00.0.4.52.20.0.2.20.6
larch0.80.60.70.73.21.848.88.425.95.619.66.010.31.4
Arolla pine0.0.0.0.0.0.1.71.74.62.70.0.0.70.4
other conifers0.40.40.70.70.0.0.0.0.0.0.0.0.30.2
beech23.73.48.92.64.72.31.71.75.32.711.04.112.31.5
maple1.80.90.0.0.0.0.0.0.0.0.0.0.60.3
ash2.61.20.0.1.01.00.0.0.0.0.0.1.00.4
oak2.21.00.0.1.71.60.0.0.0.0.0.1.00.4
sweet chestnut0.0.0.0.0.0.0.0.0.0.11.44.71.10.5
other broadleaves0.50.50.60.61.31.31.81.80.0.1.51.50.80.4
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
71-80 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce41.66.151.67.880.27.229.48.966.47.835.511.250.63.6
fir28.15.638.48.010.55.50.0.5.94.011.56.818.22.7
pine1.31.30.0.0.0.0.0.2.82.80.0.0.70.5
larch2.51.80.0.0.0.50.010.319.26.414.16.211.32.3
Arolla pine0.0.0.0.0.0.14.67.15.84.00.0.2.61.1
other conifers0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech10.93.78.14.42.32.33.13.00.0.2.82.85.51.5
maple0.0.1.91.95.13.70.0.0.0.0.0.1.20.7
ash4.42.60.0.0.0.0.0.0.0.0.0.1.30.7
oak9.83.60.0.1.91.90.0.0.0.0.0.3.11.1
sweet chestnut0.0.0.0.0.0.3.03.00.0.36.113.05.22.3
other broadleaves1.41.40.0.0.0.0.0.0.0.0.0.0.40.4
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
81-90 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce38.49.436.814.781.911.733.919.451.015.921.013.644.96.0
fir4.64.563.214.79.89.316.014.70.0.28.316.918.64.9
pine5.14.70.0.0.0.0.0.0.0.0.0.1.61.5
larch0.0.0.0.0.0.33.919.430.814.70.0.7.13.1
Arolla pine0.0.0.0.0.0.16.314.90.0.0.0.1.41.4
other conifers0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech28.29.50.0.8.38.00.0.18.211.70.0.12.63.9
maple0.0.0.0.0.0.0.0.0.0.0.0.0.0.
ash0.0.0.0.0.0.0.0.0.0.0.0.0.0.
oak23.79.60.0.0.0.0.0.0.0.0.0.7.23.1
sweet chestnut0.0.0.0.0.0.0.0.0.0.50.718.06.63.2
other broadleaves0.0.0.0.0.0.0.0.0.0.0.0.0.0.
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
91-100 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce44.316.6100.00.0100.00.00.0.100.00.00.0.48.59.9
fir21.913.70.0.0.0.0.0.0.0.0.0.7.34.9
pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
larch0.0.0.0.0.0.67.127.10.0.17.015.811.26.1
Arolla pine0.0.0.0.0.0.32.927.10.0.0.0.3.73.6
other conifers0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech22.814.10.0.0.0.0.0.0.0.0.0.7.65.2
maple0.0.0.0.0.0.0.0.0.0.0.0.0.0.
ash0.0.0.0.0.0.0.0.0.0.0.0.0.0.
oak11.010.40.0.0.0.0.0.0.0.0.0.3.73.6
sweet chestnut0.0.0.0.0.0.0.0.0.0.83.015.818.17.9
other broadleaves0.0.0.0.0.0.0.0.0.0.0.0.0.0.
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
>100 cmn/a0.0.0.0...0.0.0.0.0.0.0.0.
spruce0.0.100.00.0..67.127.10.0.9.59.327.711.1
fir100.00.00.0...0.0.0.0.14.413.413.39.0
pine0.0.0.0...0.0.0.0.0.0.0.0.
larch0.0.0.0...0.0.51.035.39.18.910.67.2
Arolla pine0.0.0.0...32.927.149.035.30.0.10.36.6
other conifers0.0.0.0...0.0.0.0.0.0.0.0.
beech0.0.0.0...0.0.0.0.0.0.0.0.
maple0.0.0.0...0.0.0.0.0.0.0.0.
ash0.0.0.0...0.0.0.0.0.0.0.0.
oak0.0.0.0...0.0.0.0.0.0.0.0.
sweet chestnut0.0.0.0...0.0.0.0.67.017.038.113.2
other broadleaves0.0.0.0...0.0.0.0.0.0.0.0.
indeterminable0.0.0.0...0.0.0.0.0.0.0.0.
total100.0.100.0...100.0.100.0.100.0.100.0.
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce31.21.252.71.947.92.645.02.961.32.616.92.040.00.8
fir16.20.915.61.212.11.23.10.91.80.42.40.611.50.5
pine3.40.41.30.51.10.415.92.610.91.80.70.44.20.4
larch0.60.10.30.10.40.217.71.89.31.18.41.23.70.2
Arolla pine0.0.0.00.00.0.2.70.64.70.90.0.0.70.1
other conifers0.70.20.00.00.40.10.20.20.10.10.0.0.40.1
beech28.21.016.61.319.31.84.41.34.41.019.42.419.50.6
maple4.50.34.50.56.10.81.40.50.70.20.70.23.70.2
ash5.10.43.70.65.61.01.20.41.30.81.90.53.90.3
oak3.90.50.50.20.30.11.20.50.20.13.81.02.20.2
sweet chestnut0.0.0.0.0.0.0.40.30.10.123.42.62.60.3
other broadleaves6.20.54.70.66.91.26.71.25.21.222.32.27.70.4
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 06.03.2024 #1366228/547986

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. 1366228. Birmensdorf, Swiss Federal Research Institute WSL

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