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IFN2
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 1993/95
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 cm24.01.518.11.117.71.921.81.919.01.514.62.120.30.7
16-23 cm25.81.326.81.325.71.629.81.627.01.523.52.326.50.6
24-35 cm21.61.126.01.127.71.927.01.627.71.628.82.525.30.6
36-51 cm20.61.121.41.219.61.415.71.419.01.322.32.320.10.6
=52 cm7.90.67.60.69.41.15.70.97.20.710.71.57.90.3
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 cm20.21.520.61.823.62.625.17.421.35.718.64.320.81.0
16-23 cm25.71.426.92.026.12.629.54.923.15.635.26.626.31.0
24-35 cm25.81.323.41.820.12.218.65.921.85.614.75.523.90.9
36-51 cm21.11.219.21.421.62.420.16.219.54.523.44.820.60.8
=52 cm7.30.69.91.08.61.26.72.814.34.68.12.78.30.5
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 cm9.02.217.96.43.43.226.44.023.94.421.312.119.02.1
16-23 cm19.93.926.810.132.012.742.22.833.13.85.33.031.02.1
24-35 cm25.33.324.57.446.213.922.13.223.63.639.310.224.61.9
36-51 cm38.94.025.012.215.46.68.22.215.63.129.614.321.32.1
=52 cm6.91.35.83.93.02.51.00.43.81.24.53.64.00.6
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 cm12.26.45.85.834.213.418.82.612.73.815.43.116.31.7
16-23 cm23.57.817.110.226.77.221.72.815.22.729.43.122.41.7
24-35 cm33.87.023.311.016.59.926.22.923.93.226.83.926.01.8
36-51 cm22.54.524.47.54.63.021.42.231.93.719.42.723.01.5
=52 cm8.02.729.49.418.19.311.81.516.22.48.91.812.31.0
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...15.53.615.83.9100.00.016.02.8
16-23 cm..0.0...35.25.029.44.30.0.31.33.3
24-35 cm..0.0...26.54.231.14.90.0.29.23.4
36-51 cm..100.00.0..17.05.117.23.70.0.17.43.0
=52 cm..0.0...5.72.06.41.50.0.6.11.2
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 cm39.17.668.520.766.815.256.39.572.94.90.0.47.85.8
16-23 cm24.25.722.319.625.812.643.89.527.14.90.0.27.04.8
24-35 cm21.68.40.0.7.46.20.0.0.0.0.0.14.76.0
36-51 cm9.13.50.0.0.0.0.0.0.0.100.00.06.32.4
=52 cm5.92.79.29.30.0.0.0.0.0.0.0.4.21.8
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 cm20.01.025.32.521.92.228.85.614.64.129.32.122.30.8
16-23 cm28.91.029.31.627.72.341.76.543.14.741.52.530.80.8
24-35 cm28.61.027.62.429.52.023.66.522.13.819.71.927.30.8
36-51 cm17.90.813.61.416.91.65.11.816.14.17.11.115.50.6
=52 cm4.50.44.20.84.10.70.70.54.22.12.50.64.10.3
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 cm25.12.224.33.714.42.648.19.142.310.551.512.124.81.6
16-23 cm32.42.440.02.936.43.435.89.025.05.521.16.634.71.5
24-35 cm31.92.427.93.434.23.511.74.019.89.524.66.230.11.6
36-51 cm9.11.07.11.513.82.04.32.79.94.32.81.99.20.7
=52 cm1.40.40.70.31.20.50.0.3.02.20.0.1.20.2
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 cm17.62.516.73.120.74.841.69.131.26.243.47.421.21.9
16-23 cm27.52.645.05.538.83.735.45.540.35.845.46.634.21.9
24-35 cm34.02.529.35.530.34.820.17.523.34.17.03.529.91.9
36-51 cm17.81.77.61.98.71.72.92.13.32.73.32.012.61.1
=52 cm3.20.61.40.71.40.60.0.1.92.20.80.82.30.4
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 cm22.23.220.57.00.0.30.911.50.0.41.26.525.82.8
16-23 cm30.83.942.812.222.615.557.49.336.817.629.36.132.53.0
24-35 cm26.63.028.713.354.016.88.74.80.0.22.16.825.02.6
36-51 cm14.82.37.93.78.43.73.13.263.217.66.93.412.51.7
=52 cm5.61.20.0.15.110.10.0.0.0.0.50.54.20.8
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.
12-15 cm100.00.0....0.0.0.0.32.53.032.03.0
16-23 cm0.0.....21.311.90.0.39.12.738.72.7
24-35 cm0.0.....65.78.855.60.019.62.420.32.4
36-51 cm0.0.....4.24.644.40.05.01.15.11.1
=52 cm0.0.....8.86.40.0.3.81.03.91.0
total100.0.....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 cm37.72.646.44.647.54.452.53.751.66.141.53.143.61.6
16-23 cm35.12.337.84.431.44.336.22.936.24.840.52.437.01.3
24-35 cm19.02.29.92.216.92.79.22.210.34.115.42.414.91.1
36-51 cm6.91.04.51.73.51.21.70.81.90.82.40.53.80.4
=52 cm1.30.41.40.70.70.40.40.40.0.0.20.10.70.2
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 cm22.40.721.40.921.41.226.11.321.51.330.01.523.20.4
16-23 cm27.60.629.10.928.11.132.01.228.11.135.81.229.30.4
24-35 cm25.60.625.20.927.11.223.41.125.31.220.61.124.90.4
36-51 cm18.70.517.70.816.80.813.30.918.21.09.50.716.70.3
=52 cm5.80.36.50.46.60.65.20.56.90.64.10.45.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1301666/483416

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. 1301666. Birmensdorf, Swiss Federal Research Institute WSL

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