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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
réseau: réseau 1,4 km
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 cm19.31.222.81.416.80.920.70.621.11.819.90.4
16-23 cm26.71.527.41.324.40.927.80.625.91.726.70.4
24-35 cm23.41.325.01.425.60.925.20.624.51.625.00.4
36-51 cm19.91.316.31.021.00.817.60.518.11.418.50.4
=52 cm10.60.88.50.712.20.68.80.410.51.09.90.3
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 cm23.01.420.61.721.41.220.51.924.44.121.70.7
16-23 cm26.71.328.21.825.71.227.51.826.03.726.80.7
24-35 cm21.11.320.01.521.81.222.31.720.43.821.30.7
36-51 cm18.81.016.51.317.70.917.21.416.43.317.70.6
=52 cm10.30.814.71.313.40.812.51.212.92.912.60.5
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 cm5.92.56.33.310.92.824.52.29.66.519.11.7
16-23 cm11.13.411.24.931.16.934.11.89.74.728.11.6
24-35 cm35.14.725.64.728.15.724.91.940.67.426.81.6
36-51 cm39.64.939.94.924.08.112.81.334.46.520.21.4
=52 cm8.42.017.02.95.92.63.70.65.83.65.80.6
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 cm15.210.621.712.432.37.317.51.718.01.818.01.3
16-23 cm9.16.416.04.535.27.524.81.425.61.924.81.1
24-35 cm32.011.229.07.62.72.822.71.328.82.024.51.1
36-51 cm32.78.618.04.412.45.820.41.117.31.519.30.9
=52 cm10.94.515.34.317.47.914.51.010.31.113.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.
arolepas d'indication....0.0.0.0.0.0.0.0.
12-15 cm....13.813.116.81.862.012.117.21.8
16-23 cm....14.87.028.32.015.59.627.81.9
24-35 cm....50.94.434.62.316.316.234.82.2
36-51 cm....17.64.414.51.40.0.14.51.4
=52 cm....2.82.65.80.86.25.85.70.8
total....100.0.100.0.100.0.100.0.
autres résineuxpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cm37.19.328.25.042.011.262.65.682.218.644.53.7
16-23 cm32.07.234.94.546.410.430.14.40.0.33.02.9
24-35 cm17.54.017.74.910.25.77.02.40.0.12.92.1
36-51 cm11.85.410.22.90.0.0.30.38.99.36.11.5
=52 cm1.51.19.03.51.41.50.0.8.99.33.51.2
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 cm19.01.021.01.220.31.322.51.626.01.721.20.6
16-23 cm23.81.126.71.126.81.231.71.637.11.728.10.6
24-35 cm28.61.323.71.127.01.226.21.523.71.426.10.6
36-51 cm22.41.018.90.919.01.014.31.19.70.917.90.5
=52 cm6.20.59.70.66.80.65.20.63.40.56.60.3
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 cm26.02.326.12.221.12.130.02.235.25.026.51.1
16-23 cm34.02.136.62.534.62.034.42.142.14.135.31.1
24-35 cm26.12.226.92.533.02.224.62.417.03.526.91.1
36-51 cm12.51.28.61.09.51.29.61.25.01.49.70.5
=52 cm1.50.31.80.41.80.41.40.30.70.41.50.2
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 cm21.32.722.02.120.22.726.32.930.44.323.51.2
16-23 cm29.22.628.62.428.72.838.72.934.33.331.41.2
24-35 cm27.43.023.62.033.42.925.13.028.64.227.01.3
36-51 cm17.22.019.11.714.71.88.21.35.91.114.10.8
=52 cm4.90.96.60.83.10.81.70.50.90.44.00.4
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 cm17.95.710.82.612.16.639.95.419.93.120.22.3
16-23 cm22.23.322.53.921.610.136.53.734.94.327.61.9
24-35 cm37.04.526.83.231.810.611.42.630.24.227.62.0
36-51 cm15.42.624.22.918.85.99.12.512.72.816.41.4
=52 cm7.62.015.82.415.75.43.11.12.30.98.31.0
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..19.910.0..22.07.520.02.620.02.5
16-23 cm..29.38.1..28.910.739.12.338.82.2
24-35 cm..19.55.5..29.510.626.02.426.02.3
36-51 cm..23.44.8..8.45.89.21.29.31.2
=52 cm..7.82.2..11.13.45.70.95.80.9
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 cm39.62.634.02.341.73.343.91.735.61.739.00.9
16-23 cm31.92.136.72.039.83.540.51.638.81.438.40.9
24-35 cm18.81.918.91.814.62.111.61.220.01.516.50.8
36-51 cm7.71.58.11.13.20.72.80.45.20.64.90.3
=52 cm2.10.72.40.60.70.41.10.30.50.11.10.2
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 cm21.50.622.50.720.00.623.90.525.80.822.80.3
16-23 cm26.30.628.30.726.80.630.10.534.00.829.10.3
24-35 cm25.40.723.60.725.40.623.60.424.10.824.30.3
36-51 cm19.30.516.60.518.10.515.00.311.00.516.00.2
=52 cm7.50.39.00.39.70.47.50.35.10.37.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301820/483570

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. 1301820. Birmensdorf, Swiss Federal Research Institute WSL

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