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IFN4
surface forestière
étages de végétation NaiS (6 classes) · âge dominant
découpage régional: région économique
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 économique
Ouest du JuraEst du JuraOuest du PlateauCentre du PlateauEst du PlateauOuest des PréalpesCentre des PréalpesEst des PréalpesNord-ouest des AlpesCentre des AlpesNord-est des AlpesSud-ouest des AlpesSud-est des AlpesSud des AlpesSuisse
étages de végétation NaiS (6 classes)âge dominant%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indicationpas d'indication..............................
=40 ans..............................
41-80 ans..............................
81-120 ans..............................
121-160 ans..............................
>160 ans..............................
total..............................
subalpin supérieurpas d'indication......................3.53.40.0.0.0.1.31.3
=40 ans......................0.0.0.0.0.0.0.0.
41-80 ans......................10.95.99.34.413.812.910.33.4
81-120 ans......................14.16.623.16.429.217.420.44.6
121-160 ans......................10.95.916.35.629.217.415.44.1
>160 ans......................60.79.251.37.627.716.852.75.7
total......................100.0.100.0.100.0.100.0.
subalpinpas d'indication....0.0.....0.0.0.0.0.0.3.73.60.0.12.912.02.71.92.01.44.33.02.70.9
=40 ans....0.0.....0.0.0.0.0.0.0.0.12.111.40.0.1.41.40.0.0.0.0.70.5
41-80 ans....0.0.....16.815.15.85.60.0.3.73.612.411.612.311.59.63.410.13.016.05.510.11.8
81-120 ans....0.0.....0.0.24.29.555.035.017.77.20.0.12.511.717.74.519.44.011.95.017.12.2
121-160 ans....0.0.....83.215.137.810.70.0.42.69.437.617.249.317.721.04.833.04.830.47.032.32.8
>160 ans....100.00.0....0.0.32.210.245.035.032.38.937.917.213.012.147.75.835.54.837.57.337.12.8
total....100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
haut-montagnardpas d'indication20.118.0..0.0.....5.25.00.0.22.411.36.03.30.0.18.111.62.51.40.70.72.31.63.30.8
=40 ans20.118.0..0.0.....10.36.87.85.37.97.65.93.30.0.0.0.7.62.411.32.55.92.58.11.2
41-80 ans20.118.0..0.0.....0.0.14.56.87.97.612.14.65.85.617.611.319.73.619.03.218.74.416.31.6
81-120 ans0.0...0.0.....43.910.033.79.113.49.021.85.841.211.927.213.426.54.123.33.520.34.525.01.9
121-160 ans0.0...32.326.9....33.49.332.28.625.411.237.76.823.710.418.411.724.94.028.43.736.05.429.42.0
>160 ans39.821.8..67.726.9....7.24.911.85.622.910.316.55.329.311.018.711.918.83.617.43.116.74.217.81.7
total100.0...100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
montagnard inférieur et supérieurpas d'indication2.30.80.0.2.92.91.81.82.41.70.0.3.21.43.41.53.22.23.13.01.81.70.0.2.52.50.0.2.20.4
=40 ans4.01.13.13.017.16.315.24.610.83.49.63.55.31.611.02.59.63.73.23.216.14.90.0.2.62.67.52.77.70.7
41-80 ans17.42.031.28.218.16.225.85.624.74.627.85.217.32.722.03.319.95.121.67.220.05.325.48.928.57.350.55.223.01.2
81-120 ans45.52.753.38.837.97.738.06.151.05.343.25.846.03.641.63.844.16.324.67.633.16.145.310.241.17.827.64.742.41.4
121-160 ans26.62.412.45.818.96.419.35.011.03.315.34.124.03.017.02.913.94.335.38.319.85.124.88.818.06.27.82.820.01.1
>160 ans4.31.10.0.5.13.50.0.0.0.4.12.44.21.55.01.79.33.612.35.89.33.94.54.47.24.06.62.64.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
submontagnardpas d'indication0.0.8.53.00.0.4.31.72.01.00.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...2.70.6
=40 ans8.83.216.03.921.65.016.12.923.22.80.0.15.28.17.27.016.910.917.515.80.0.32.318.733.115.6..18.11.4
41-80 ans40.45.525.04.638.55.935.03.832.63.20.0.16.18.536.112.533.913.80.0.50.035.567.718.723.414.3..33.11.8
81-120 ans41.85.640.25.236.75.832.83.635.33.1100.00.050.511.344.412.749.214.582.515.850.035.50.0.43.516.6..37.61.8
121-160 ans9.03.29.13.13.12.211.22.56.31.60.0.18.38.312.28.10.0.0.0.0.0.0.0.0.0...8.01.0
>160 ans0.0.1.11.10.0.0.60.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.
hyperinsubrique et collinéenpas d'indication0.0...0.0...0.0.............8.96.00.0.0.90.81.91.1
=40 ans0.0...0.0...0.0.............4.54.40.0.7.32.36.31.9
41-80 ans100.00.0..67.219.1..0.0.............58.710.50.0.62.64.561.14.0
81-120 ans0.0...16.415.0..100.00.0............23.19.0100.00.021.53.923.33.5
121-160 ans0.0...16.415.0..0.0.............4.84.60.0.4.31.94.71.7
>160 ans0.0...0.0...0.0.............0.0.0.0.3.41.72.71.3
total100.0...100.0...100.0.............100.0.100.0.100.0.100.0.
totalpas d'indication2.10.76.32.21.01.03.61.32.10.91.11.12.31.04.61.64.01.61.61.55.32.62.91.01.20.61.40.62.50.3
=40 ans5.11.112.63.018.23.615.92.419.42.29.02.96.01.510.32.27.22.14.82.711.73.64.81.36.11.36.01.29.10.5
41-80 ans22.12.026.64.031.94.332.43.130.02.620.63.915.92.321.83.015.42.914.14.419.54.520.82.416.32.042.32.624.50.8
81-120 ans44.02.443.74.534.84.334.23.140.52.741.04.843.33.039.83.532.23.831.25.830.55.123.62.624.92.321.92.334.30.8
121-160 ans22.82.010.02.79.82.813.52.37.61.523.84.125.52.617.12.626.03.529.25.722.24.620.22.426.22.416.42.019.20.7
>160 ans3.91.00.80.84.31.90.40.40.40.44.52.06.91.66.51.715.22.919.14.910.83.627.82.725.32.412.11.810.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1363823/545581

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. 1363823. Birmensdorf, Swiss Federal Research Institute WSL

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