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IFN1
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 IFN1-IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
état 1983/85
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 cm22.92.323.12.219.11.317.80.915.22.119.70.7
16-23 cm25.31.820.61.326.11.228.51.024.32.725.80.6
24-35 cm24.91.926.51.728.11.228.20.930.12.527.50.6
36-51 cm20.31.723.61.620.21.119.10.821.32.320.50.6
=52 cm6.50.86.10.66.50.66.40.49.21.56.50.3
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 cm22.11.919.82.019.41.623.12.719.75.820.71.0
16-23 cm29.11.627.62.227.51.627.42.928.75.428.01.0
24-35 cm29.71.826.72.025.61.722.42.518.55.726.51.0
36-51 cm15.11.221.11.920.91.319.82.123.64.519.20.8
=52 cm4.10.64.80.76.60.77.31.29.43.45.50.4
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 cm17.47.810.14.622.85.826.22.715.310.521.62.3
16-23 cm11.23.19.22.625.611.235.52.35.76.126.12.0
24-35 cm40.75.429.45.219.05.825.52.448.35.928.52.0
36-51 cm27.24.144.55.326.714.211.21.828.411.220.71.9
=52 cm3.61.26.91.75.84.01.60.52.22.33.10.5
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 cm17.515.38.35.60.0.13.61.916.63.514.11.6
16-23 cm17.911.822.58.50.0.23.32.227.82.724.31.7
24-35 cm35.916.838.08.80.0.26.72.328.54.127.72.0
36-51 cm18.09.223.16.546.816.324.22.018.72.522.81.5
=52 cm10.76.18.03.253.216.312.21.28.41.811.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
arolepas d'indication......0.0...0.0.
12-15 cm......19.63.4..19.63.4
16-23 cm......27.63.9..27.63.9
24-35 cm......30.23.7..30.23.7
36-51 cm......16.63.0..16.63.0
=52 cm......6.01.4..6.01.4
total......100.0...100.0.
autres résineuxpas d'indication0.0.0.0.0.0.0.0...0.0.
12-15 cm52.111.630.79.834.620.075.211.4..45.26.6
16-23 cm47.911.630.47.358.520.515.07.6..33.96.3
24-35 cm0.0.15.95.90.0.9.86.7..9.53.3
36-51 cm0.0.19.58.00.0.0.0...9.44.2
=52 cm0.0.3.42.66.97.10.0...2.01.3
total100.0.100.0.100.0.100.0...100.0.
hêtrepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm22.61.523.91.524.41.928.42.434.42.425.30.8
16-23 cm32.71.530.51.531.21.734.41.939.02.632.70.8
24-35 cm29.01.526.11.528.61.722.62.018.51.926.30.8
36-51 cm13.61.115.61.112.91.211.61.46.31.112.90.6
=52 cm2.10.33.80.52.90.53.10.61.80.52.80.2
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 cm23.42.724.83.725.73.231.64.025.510.226.31.7
16-23 cm37.83.141.03.836.43.033.33.251.811.437.31.6
24-35 cm29.63.125.43.429.33.427.93.220.79.228.11.6
36-51 cm7.91.37.61.78.01.56.51.22.02.17.40.7
=52 cm1.30.51.20.50.70.30.70.40.0.0.90.2
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 cm25.13.518.22.529.94.031.84.857.05.826.81.8
16-23 cm36.74.036.33.244.44.237.94.231.25.238.51.9
24-35 cm28.14.028.92.820.23.623.94.08.14.124.61.7
36-51 cm9.12.314.01.94.91.35.82.13.72.58.80.9
=52 cm1.00.52.70.70.60.30.70.50.0.1.30.3
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 cm24.14.923.95.342.717.341.47.140.29.929.13.4
16-23 cm36.14.631.14.029.412.541.57.834.46.133.82.6
24-35 cm27.35.525.64.219.213.09.44.018.96.223.32.6
36-51 cm9.52.513.82.85.53.56.94.16.53.210.51.5
=52 cm3.11.35.51.33.23.30.80.80.0.3.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
châtaignierpas d'indication......0.0.0.0.0.0.
12-15 cm......9.35.734.53.034.12.9
16-23 cm......44.010.544.12.444.12.3
24-35 cm......29.812.113.71.913.91.9
36-51 cm......9.77.64.61.04.71.0
=52 cm......7.25.23.10.83.10.8
total......100.0.100.0.100.0.
autres feuilluspas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm39.85.136.53.848.24.048.03.441.63.342.71.7
16-23 cm33.53.737.42.440.43.735.42.741.42.338.21.3
24-35 cm20.83.220.22.89.42.412.92.315.02.515.51.2
36-51 cm5.31.44.90.91.80.62.90.71.80.43.10.3
=52 cm0.50.31.00.50.20.20.80.40.20.10.50.1
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 cm23.71.023.01.122.50.922.30.831.51.523.80.4
16-23 cm30.10.827.00.829.30.830.00.736.61.230.00.4
24-35 cm27.80.926.20.926.40.825.90.719.41.125.70.4
36-51 cm14.90.719.10.816.80.716.30.68.90.715.90.3
=52 cm3.50.34.60.35.00.35.50.33.60.44.60.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301617/483367

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. 1301617. Birmensdorf, Swiss Federal Research Institute WSL

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