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IFN4
nombre de tiges
essence principale · diamètre à hauteur de poitrine (classes de diamètre)
découpage régional: région de production
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 production
JuraPlateauPréalpesAlpesSud 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.
12-15 cm18.41.523.92.016.11.221.00.918.72.219.80.6
16-23 cm25.91.927.11.725.21.327.20.825.32.326.40.6
24-35 cm25.41.823.71.726.51.224.90.825.22.225.20.6
36-51 cm19.91.616.51.320.41.118.30.719.21.818.80.5
=52 cm10.41.18.70.911.90.98.60.511.61.49.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
sapinpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm23.11.920.82.022.61.719.72.320.44.421.91.0
16-23 cm27.71.626.82.525.91.525.52.425.03.926.60.9
24-35 cm21.52.020.01.921.91.622.92.421.74.221.50.9
36-51 cm18.81.417.41.717.31.319.31.918.74.118.10.7
=52 cm8.91.015.01.612.21.012.61.514.13.111.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
pinpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm3.72.28.65.211.73.922.52.719.58.617.82.1
16-23 cm9.73.016.37.627.28.636.52.513.05.729.92.3
24-35 cm40.86.123.15.627.210.126.22.733.96.727.92.3
36-51 cm40.56.037.76.926.213.611.91.725.08.519.62.0
=52 cm5.31.714.33.47.74.42.90.78.67.74.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
mélèzepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm0.0.32.518.134.57.014.91.517.32.416.71.6
16-23 cm16.114.421.06.850.46.824.31.927.12.525.41.5
24-35 cm32.017.522.29.50.0.22.91.630.02.424.91.3
36-51 cm38.916.014.76.25.54.121.81.516.11.819.41.2
=52 cm13.09.19.64.29.77.116.11.39.51.413.51.0
total100.0.100.0.100.0.100.0.100.0.100.0.
arolepas d'indication......0.0.0.0.0.0.
12-15 cm......16.22.666.70.016.72.7
16-23 cm......32.82.833.30.032.82.8
24-35 cm......32.93.00.0.32.63.0
36-51 cm......13.32.00.0.13.22.0
=52 cm......4.81.00.0.4.71.0
total......100.0.100.0.100.0.
autres résineuxpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm47.512.530.57.647.315.459.38.10.0.45.85.0
16-23 cm25.48.730.25.448.915.432.05.60.0.30.83.6
24-35 cm15.05.417.86.40.0.8.13.70.0.12.52.9
36-51 cm10.16.28.23.20.0.0.60.550.00.05.41.8
=52 cm2.01.913.25.83.83.80.0.50.00.05.52.1
total100.0.100.0.100.0.100.0.100.0.100.0.
hêtrepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm18.71.220.11.519.51.820.41.825.02.120.30.7
16-23 cm26.01.426.71.528.31.732.42.037.52.129.10.8
24-35 cm28.21.525.31.527.71.627.42.025.71.927.00.7
36-51 cm21.31.218.91.118.61.414.61.58.61.217.50.6
=52 cm5.90.79.00.85.90.85.30.83.20.66.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
érablepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm25.83.124.22.920.82.629.82.741.06.826.11.4
16-23 cm34.42.838.73.530.52.532.92.741.65.734.41.4
24-35 cm26.03.127.33.235.92.825.12.813.64.527.81.5
36-51 cm12.11.68.01.411.01.710.41.63.21.410.10.8
=52 cm1.60.41.80.61.90.61.70.50.50.61.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.
frênepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm24.74.021.92.918.13.424.43.640.35.523.91.7
16-23 cm32.13.522.82.829.23.339.03.934.44.130.41.6
24-35 cm23.23.924.82.737.53.326.73.919.13.727.11.6
36-51 cm15.52.722.62.612.52.08.21.75.21.614.31.2
=52 cm4.61.17.91.22.81.01.70.61.00.84.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
chênepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm25.18.56.52.119.010.340.27.922.63.921.03.2
16-23 cm21.03.325.05.729.114.634.15.735.26.027.82.7
24-35 cm35.66.129.84.228.713.613.53.130.56.129.12.6
36-51 cm15.23.724.94.020.68.28.82.810.33.216.21.9
=52 cm3.01.313.83.02.62.73.31.81.50.95.91.1
total100.0.100.0.100.0.100.0.100.0.100.0.
châtaignierpas d'indication..0.0...0.0.0.0.0.0.
12-15 cm..70.629.4..23.28.922.73.322.83.2
16-23 cm..0.0...17.46.740.13.039.43.0
24-35 cm..0.0...36.912.225.13.025.33.0
36-51 cm..29.429.4..8.66.98.11.58.21.5
=52 cm..0.0...13.93.64.00.94.30.9
total..100.0...100.0.100.0.100.0.
autres feuilluspas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm42.23.734.73.542.24.844.52.136.32.439.91.3
16-23 cm32.33.033.83.138.65.241.72.038.22.038.21.2
24-35 cm17.12.518.62.515.72.99.21.320.42.115.71.0
36-51 cm6.41.810.21.62.60.83.10.64.80.84.90.4
=52 cm2.10.82.71.00.90.61.50.60.30.11.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
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.
12-15 cm21.60.922.61.019.70.823.50.725.91.222.60.4
16-23 cm27.00.827.50.927.30.830.10.634.31.129.20.4
24-35 cm25.70.923.60.926.40.823.50.624.31.124.60.4
36-51 cm18.90.617.30.717.60.715.40.510.50.616.00.3
=52 cm6.90.49.00.59.10.57.40.35.00.47.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301797/483547

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. 1301797. Birmensdorf, Swiss Federal Research Institute WSL

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