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IFN4
nombre de tiges
essence principale · diamètre à hauteur de poitrine (classes de diamètre)
découpage régional: région de forêt protectrice
unité: %, sous-total
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km
état 2009/17
région de forêt protectrice
Plateau/JuraNord des Alpes ouestNord des Alpes estSud-ouest des AlpesSud-est des AlpesSud des AlpesSuisse
essence principalediamètre à hauteur de poitrine (classes de diamètre)%±%±%±%±%±%±%±
pas d'indicationpas d'indication..............
12-15 cm..............
16-23 cm..............
24-35 cm..............
36-51 cm..............
=52 cm..............
total..............
épicéapas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm21.31.018.00.916.91.021.01.221.61.021.11.819.90.4
16-23 cm27.11.024.30.925.01.228.71.229.31.025.91.726.70.4
24-35 cm24.31.025.90.925.51.126.11.124.11.024.51.625.00.4
36-51 cm17.90.820.70.819.70.916.91.016.90.818.11.418.50.4
=52 cm9.40.511.10.612.70.97.30.78.10.610.51.09.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
sapinpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm22.01.121.81.320.61.922.14.314.55.024.44.121.70.7
16-23 cm27.41.126.51.324.51.831.42.824.84.926.03.726.80.7
24-35 cm20.71.021.81.322.11.723.03.020.54.420.43.821.30.7
36-51 cm17.90.816.61.019.71.515.52.819.23.616.43.317.70.6
=52 cm12.20.713.30.913.11.38.02.020.93.412.92.912.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
pinpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm6.12.026.06.715.86.120.03.327.33.19.66.519.11.7
16-23 cm11.12.931.35.520.14.637.33.034.12.69.74.728.11.6
24-35 cm30.83.522.66.537.04.828.43.120.62.640.67.426.81.6
36-51 cm39.73.517.15.721.44.511.42.013.32.034.46.520.21.4
=52 cm12.31.73.01.45.62.22.90.94.60.95.83.65.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
mélèzepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm20.510.633.36.922.06.116.11.818.93.618.01.818.01.3
16-23 cm14.83.929.36.123.86.226.91.822.02.625.61.924.81.1
24-35 cm29.66.616.46.516.05.122.71.622.72.128.82.024.51.1
36-51 cm20.54.38.43.327.47.219.61.421.52.117.31.519.30.9
=52 cm14.63.512.75.210.83.814.71.314.91.810.31.113.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
arolepas d'indication..0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm..0.0.35.43.515.52.717.52.462.012.117.21.8
16-23 cm..17.44.618.810.625.92.930.02.715.59.627.81.9
24-35 cm..43.611.435.43.539.03.532.03.016.316.234.82.2
36-51 cm..31.19.17.10.714.02.414.71.80.0.14.51.4
=52 cm..7.87.73.32.85.61.25.81.16.25.85.70.8
total..100.0.100.0.100.0.100.0.100.0.100.0.
autres résineuxpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm31.74.739.611.559.711.157.816.164.75.482.218.644.53.7
16-23 cm33.84.032.59.633.39.742.216.131.65.20.0.33.02.9
24-35 cm17.63.424.77.07.04.00.0.3.71.70.0.12.92.1
36-51 cm10.82.81.60.90.0.0.0.0.0.8.99.36.11.5
=52 cm6.12.21.61.80.0.0.0.0.0.8.99.33.51.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
hêtrepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm19.90.821.61.620.11.725.93.720.03.226.01.721.20.6
16-23 cm25.10.828.51.526.91.538.33.630.73.737.11.728.10.6
24-35 cm26.40.927.31.425.81.425.54.028.83.723.71.426.10.6
36-51 cm20.80.716.31.120.01.38.21.916.42.89.70.917.90.5
=52 cm7.80.46.30.77.20.82.00.94.21.33.40.56.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
érablepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm26.01.625.12.121.72.838.44.833.35.235.25.026.51.1
16-23 cm35.21.635.82.132.52.441.44.224.75.542.14.135.31.1
24-35 cm26.51.728.92.231.83.115.03.431.45.317.03.526.91.1
36-51 cm10.60.88.91.111.71.55.22.18.73.75.01.49.70.5
=52 cm1.60.31.40.32.20.50.0.2.01.20.70.41.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
frênepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm21.81.628.43.818.92.919.54.928.55.230.44.323.51.2
16-23 cm28.81.828.13.033.63.340.55.944.55.334.33.331.41.2
24-35 cm24.91.730.23.828.53.033.26.623.04.628.64.227.01.3
36-51 cm18.51.310.61.516.02.36.12.53.11.05.91.114.10.8
=52 cm6.00.62.70.83.10.80.70.50.90.70.90.44.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
chênepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm14.23.219.27.428.310.749.06.56.26.019.93.120.22.3
16-23 cm22.32.637.97.17.87.536.64.732.46.934.94.327.61.9
24-35 cm31.72.724.07.713.89.19.72.712.04.430.24.227.62.0
36-51 cm20.02.114.25.528.48.43.61.432.36.312.72.816.41.4
=52 cm11.91.64.72.221.77.81.10.617.07.92.30.98.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
châtaignierpas d'indication0.0.0.0...0.0.0.0.0.0.0.0.
12-15 cm19.910.00.0...24.07.20.0.20.02.620.02.5
16-23 cm29.38.10.0...31.611.40.0.39.12.338.82.2
24-35 cm19.55.50.0...28.111.355.60.026.02.426.02.3
36-51 cm23.44.8100.00.0..5.84.822.20.09.21.29.31.2
=52 cm7.82.20.0...10.53.522.20.05.70.95.80.9
total100.0.100.0...100.0.100.0.100.0.100.0.
autres feuilluspas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm36.41.748.53.138.13.042.72.443.63.535.61.739.00.9
16-23 cm34.61.532.72.643.33.440.92.345.33.338.81.438.40.9
24-35 cm18.81.313.62.114.72.513.21.87.71.820.01.516.50.8
36-51 cm7.90.93.40.72.80.72.60.62.90.95.20.64.90.3
=52 cm2.30.51.70.91.10.40.70.30.50.30.50.11.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
indéterminablepas d'indication..............
12-15 cm..............
16-23 cm..............
24-35 cm..............
36-51 cm..............
=52 cm..............
total..............
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm22.00.522.10.720.40.823.70.924.00.925.80.822.80.3
16-23 cm27.30.427.00.627.70.831.80.830.40.834.00.829.10.3
24-35 cm24.50.525.00.625.00.724.00.822.70.824.10.824.30.3
36-51 cm18.00.416.90.517.60.713.70.615.40.611.00.516.00.2
=52 cm8.20.29.00.49.30.56.80.47.60.55.10.37.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301818/483568

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. 1301818. Birmensdorf, Swiss Federal Research Institute WSL

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