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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 IFN1-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 cm21.61.418.11.313.11.321.51.821.61.616.22.119.20.6
16-23 cm26.71.323.51.226.01.828.31.927.01.323.12.525.90.6
24-35 cm24.41.326.61.326.41.625.11.424.61.426.32.525.40.6
36-51 cm17.81.020.71.220.61.317.21.619.11.321.62.019.30.5
=52 cm9.40.711.10.813.81.37.91.17.80.812.81.510.20.4
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 cm22.11.422.81.921.02.520.54.915.87.821.04.522.01.0
16-23 cm27.41.426.91.723.02.325.04.334.46.124.54.026.71.0
24-35 cm21.01.422.91.821.22.525.64.212.45.221.14.321.51.0
36-51 cm18.21.115.21.222.42.420.74.918.15.318.84.218.00.8
=52 cm11.40.912.11.112.41.78.12.619.35.214.53.211.80.6
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 cm6.12.918.15.44.33.520.04.020.84.220.78.516.12.1
16-23 cm12.94.224.68.421.86.841.73.432.94.113.85.629.62.4
24-35 cm32.34.829.99.245.59.027.04.126.14.236.07.029.02.4
36-51 cm39.14.621.911.122.83.69.92.414.63.123.48.120.22.1
=52 cm9.61.85.43.15.63.11.40.75.51.66.06.85.10.8
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 cm29.517.230.78.026.410.813.32.110.21.912.62.514.31.8
16-23 cm20.66.334.08.136.39.924.52.614.92.924.13.322.61.6
24-35 cm23.18.920.19.19.98.823.42.423.83.031.73.025.51.6
36-51 cm16.96.37.64.411.46.121.72.128.73.319.82.521.71.4
=52 cm9.94.07.54.615.910.017.12.022.52.811.81.916.01.2
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...16.35.313.83.866.70.015.43.1
16-23 cm..0.0...33.03.927.23.933.30.029.52.8
24-35 cm..0.0...32.35.537.63.80.0.35.03.1
36-51 cm..100.00.0..13.54.015.13.30.0.14.52.5
=52 cm..0.0...4.91.76.31.60.0.5.71.2
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 cm36.96.943.723.156.117.044.614.367.08.50.0.45.15.3
16-23 cm28.44.823.420.238.415.655.414.330.07.60.0.30.83.8
24-35 cm16.84.523.320.15.55.00.0.3.02.60.0.12.13.0
36-51 cm8.93.10.0.0.0.0.0.0.0.50.00.05.82.0
=52 cm9.03.69.69.70.0.0.0.0.0.50.00.06.12.3
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 cm19.31.020.01.920.02.324.05.013.73.725.22.120.30.7
16-23 cm26.31.031.21.928.52.036.84.525.14.836.92.129.10.8
24-35 cm27.11.127.21.725.82.031.45.133.55.325.91.927.00.7
36-51 cm20.40.815.81.519.61.85.42.521.64.78.81.317.60.6
=52 cm6.90.55.70.95.90.92.41.36.12.33.20.66.00.3
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 cm25.22.225.53.016.02.934.75.237.57.933.67.424.81.4
16-23 cm36.52.333.62.829.63.246.46.022.95.041.56.734.81.5
24-35 cm26.42.229.93.137.13.613.63.528.37.119.26.528.31.5
36-51 cm10.21.19.81.714.62.15.32.97.33.95.01.910.40.8
=52 cm1.70.41.20.42.70.90.0.3.92.40.80.91.70.3
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 cm22.72.424.25.217.83.715.77.226.97.141.36.223.71.8
16-23 cm25.72.327.63.528.93.244.110.845.87.834.74.529.11.6
24-35 cm24.62.334.55.133.63.333.912.022.87.017.74.127.31.7
36-51 cm20.12.011.01.916.52.75.54.03.71.05.81.715.31.2
=52 cm6.90.92.71.23.31.10.70.70.80.80.50.54.50.5
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 cm15.74.923.39.428.313.849.511.30.0.24.64.021.73.3
16-23 cm23.43.433.710.215.014.032.97.317.09.334.36.427.12.7
24-35 cm32.53.627.211.313.312.713.23.917.09.329.36.329.12.7
36-51 cm20.33.015.87.727.811.93.62.235.92.210.23.416.32.0
=52 cm8.21.70.0.15.79.40.80.830.116.41.61.05.91.1
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...0.0.0.0.23.53.323.43.3
16-23 cm0.0.0.0...0.0.0.0.38.42.738.02.7
24-35 cm0.0.0.0...62.627.555.60.025.63.125.93.1
36-51 cm29.429.4100.00.0..19.916.522.20.08.41.68.61.5
=52 cm0.0.0.0...17.514.622.20.04.10.94.20.9
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 cm38.52.645.73.638.74.144.83.339.74.235.52.639.11.3
16-23 cm32.52.234.23.738.33.842.63.149.54.038.72.438.21.3
24-35 cm18.71.913.83.118.03.29.12.38.42.320.42.316.61.1
36-51 cm8.51.24.21.03.41.22.91.22.00.84.90.85.10.5
=52 cm1.80.52.11.21.70.90.50.30.30.20.40.21.10.2
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 cm22.10.721.60.818.01.123.01.322.11.325.11.322.00.4
16-23 cm27.20.627.00.827.51.132.21.228.71.233.61.128.70.4
24-35 cm24.70.625.90.826.31.023.71.123.81.124.81.224.90.4
36-51 cm18.10.516.80.718.60.914.11.017.41.011.20.716.60.3
=52 cm7.80.38.70.59.60.77.00.68.00.65.30.47.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301763/483513

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. 1301763. Birmensdorf, Swiss Federal Research Institute WSL

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