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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 IFN4/IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
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 cm21.61.318.31.214.91.321.31.722.61.518.72.219.80.6
16-23 cm26.61.324.41.225.71.628.91.828.31.225.32.326.40.6
24-35 cm24.41.326.31.226.11.525.51.323.91.325.22.225.20.6
36-51 cm17.91.020.31.120.21.216.71.517.81.219.21.818.80.5
=52 cm9.40.710.60.813.11.27.61.07.40.711.61.49.80.4
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 cm22.11.422.81.920.82.420.34.915.87.820.44.421.91.0
16-23 cm27.31.426.91.722.62.224.94.234.46.125.03.926.60.9
24-35 cm20.91.423.11.821.02.425.44.212.45.221.74.221.50.9
36-51 cm18.21.115.21.222.82.420.64.918.15.318.74.118.10.7
=52 cm11.50.912.11.112.81.78.82.719.35.214.13.111.90.6
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 cm6.12.917.55.220.710.520.14.024.64.119.58.617.82.1
16-23 cm12.94.225.48.024.46.441.93.433.23.913.05.729.92.3
24-35 cm32.34.828.89.235.47.626.64.123.64.033.96.727.92.3
36-51 cm39.14.623.111.116.86.510.02.413.52.825.08.519.62.0
=52 cm9.61.85.23.02.61.61.40.75.11.48.67.74.90.7
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 cm29.517.229.68.030.38.014.41.913.82.417.32.416.71.6
16-23 cm20.66.332.88.033.67.326.42.520.93.427.12.525.41.5
24-35 cm23.18.922.09.19.85.823.12.122.42.530.02.424.91.3
36-51 cm16.96.37.34.214.55.620.52.025.02.916.11.819.41.2
=52 cm9.94.08.34.611.86.115.51.817.92.39.51.413.51.0
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.
12-15 cm..0.0...15.75.016.53.166.70.016.72.7
16-23 cm..0.0...30.83.733.93.833.30.032.82.8
24-35 cm..0.0...33.25.032.83.80.0.32.63.0
36-51 cm..100.00.0..14.64.012.52.30.0.13.22.0
=52 cm..0.0...5.71.84.31.20.0.4.71.0
total..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 cm36.96.935.29.456.117.044.614.370.37.40.0.45.85.0
16-23 cm28.44.836.07.938.415.655.414.327.26.60.0.30.83.6
24-35 cm16.84.524.05.65.55.00.0.2.42.20.0.12.52.9
36-51 cm8.93.12.40.80.0.0.0.0.0.50.00.05.41.8
=52 cm9.03.62.53.00.0.0.0.0.0.50.00.05.52.1
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 cm19.31.019.71.920.02.225.55.113.23.625.02.120.30.7
16-23 cm26.31.030.72.028.12.036.34.427.45.137.52.129.10.8
24-35 cm26.91.127.81.726.01.930.35.032.55.325.71.927.00.7
36-51 cm20.20.816.11.519.71.75.72.421.04.68.61.217.50.6
=52 cm7.20.55.70.96.10.92.31.25.92.23.20.66.10.3
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 cm25.02.225.42.818.13.043.16.034.36.641.06.826.11.4
16-23 cm36.42.333.62.729.33.040.95.317.26.041.65.734.41.4
24-35 cm26.62.230.32.935.53.612.23.233.46.913.64.527.81.5
36-51 cm10.21.19.31.714.52.13.82.112.14.93.21.410.10.8
=52 cm1.70.41.40.52.70.80.0.3.01.90.50.61.70.3
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 cm22.92.325.95.017.83.316.95.727.86.440.35.523.91.7
16-23 cm26.02.326.23.634.33.746.18.344.17.234.44.130.41.6
24-35 cm24.22.234.94.831.23.132.49.324.26.119.13.727.11.6
36-51 cm20.22.010.41.913.82.54.02.93.20.95.21.614.31.2
=52 cm6.70.92.71.12.80.90.50.50.70.71.00.84.20.5
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 cm15.54.920.99.132.613.046.510.30.0.22.63.921.03.2
16-23 cm23.13.440.610.912.011.335.27.017.09.335.26.027.82.7
24-35 cm32.63.624.310.410.710.213.63.717.09.330.56.129.12.6
36-51 cm20.22.914.16.732.210.93.92.135.92.210.33.216.21.9
=52 cm8.61.80.0.12.57.30.70.830.116.41.50.95.91.1
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 cm70.629.40.0...25.78.30.0.22.73.322.83.2
16-23 cm0.0.0.0...19.36.20.0.40.13.039.43.0
24-35 cm0.0.0.0...36.213.255.60.025.13.025.33.0
36-51 cm29.429.4100.00.0..5.45.422.20.08.11.58.21.5
=52 cm0.0.0.0...13.53.722.20.04.00.94.30.9
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 cm37.72.650.53.837.74.144.93.442.24.036.32.439.91.3
16-23 cm33.22.231.63.643.44.741.22.847.93.738.22.038.21.2
24-35 cm18.01.811.22.515.03.210.02.27.01.920.42.115.71.0
36-51 cm8.71.23.91.02.40.93.41.22.10.74.80.84.90.4
=52 cm2.50.72.81.41.40.70.50.30.70.50.30.11.20.2
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 cm22.10.722.10.919.31.023.51.223.71.225.91.222.60.4
16-23 cm27.30.627.10.828.21.132.51.130.11.134.31.129.20.4
24-35 cm24.60.625.70.825.51.023.61.022.71.024.31.124.60.4
36-51 cm18.10.516.60.718.00.913.60.916.10.910.50.616.00.3
=52 cm8.00.38.50.59.10.66.80.67.30.55.00.47.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301788/483538

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. 1301788. Birmensdorf, Swiss Federal Research Institute WSL

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