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IFN1
surface forestière
altitude (par classes de 200 m) · stabilité du peuplement
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 1983/85
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
altitude (par classes de 200 m)stabilité du peuplement%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indicationpas d'indication..............................
critique..............................
amoindrie..............................
stable..............................
total..............................
>1800 mpas d'indication............0.0...0.0.....3.42.34.62.20.0.3.51.4
critique............0.0...0.0.....5.02.810.43.34.74.67.52.0
amoindrie............0.0...16.315.0....29.05.933.85.054.811.133.73.6
stable............100.00.0..83.715.0....62.66.351.25.340.511.055.33.8
total............100.0...100.0.....100.0.100.0.100.0.100.0.
1601-1800 mpas d'indication..........14.513.57.67.30.0.4.54.40.0.0.0.5.93.33.22.22.42.34.31.4
critique..........31.018.121.711.20.0.4.54.40.0.14.813.611.84.53.42.32.42.37.71.8
amoindrie..........12.712.049.314.0100.00.059.410.460.021.914.413.329.36.438.06.239.17.538.33.4
stable..........41.718.721.311.10.0.31.79.940.021.970.817.353.07.055.46.456.17.649.73.5
total..........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1401-1600 mpas d'indication11.410.8..0.0.....4.84.77.94.40.0.7.74.39.08.68.88.47.93.83.92.22.12.15.51.3
critique11.010.4..0.0.....21.99.60.0.14.49.65.23.50.0.8.98.58.34.05.22.54.33.06.61.4
amoindrie31.815.3..60.421.9....33.710.570.48.151.313.557.07.854.715.054.415.034.16.757.15.649.87.651.22.8
stable45.716.6..39.621.9....39.510.621.77.434.312.730.27.336.214.527.913.649.77.133.85.343.87.536.72.7
total100.0...100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1201-1400 mpas d'indication7.33.5..0.0.....17.27.08.84.96.34.37.55.113.18.714.39.42.62.60.0.4.22.97.01.4
critique3.82.6..0.0.....13.26.20.0.0.0.3.53.50.0.7.06.85.33.716.66.22.12.15.01.2
amoindrie15.45.0..0.0.....36.48.572.27.653.08.447.09.580.310.250.413.449.98.150.08.452.07.346.92.7
stable73.66.1..100.00.0....33.28.319.06.640.78.242.09.36.56.328.212.042.18.033.57.941.77.241.02.7
total100.0...100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1001-1200 mpas d'indication2.01.4..24.721.50.0.0.0.8.76.04.72.78.04.40.0.6.76.50.0.10.45.712.76.93.62.55.11.1
critique3.81.9..0.0.51.035.30.0.11.36.24.52.62.12.113.97.520.910.724.610.73.33.38.65.83.92.76.61.2
amoindrie34.74.7..23.720.949.035.3100.00.058.410.163.06.148.87.757.010.959.312.837.812.236.68.849.210.260.56.848.82.5
stable59.64.8..51.725.00.0.0.0.21.68.627.85.641.17.629.110.013.18.737.512.249.79.229.49.332.06.639.52.4
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.
801-1000 mpas d'indication3.01.79.18.711.87.95.75.60.0.15.28.22.82.04.12.911.87.80.0.0.0.0.0.3.83.72.72.74.21.0
critique2.01.40.0.5.85.611.67.70.0.6.56.31.81.77.93.80.0.0.0.12.48.113.87.411.06.03.02.94.91.1
amoindrie38.44.954.715.046.012.448.212.145.216.732.811.146.06.155.57.064.211.488.510.858.211.643.710.955.09.833.37.946.52.4
stable56.75.036.314.536.412.034.511.554.816.745.511.849.46.132.46.524.010.311.510.829.411.042.510.830.29.061.18.144.42.4
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.
601-800 mpas d'indication0.0.4.03.90.0.2.31.63.52.00.0.2.02.00.0.0.0.0.0.8.58.20.0.0.0.0.0.1.50.5
critique3.41.98.05.42.42.46.12.711.13.30.0.2.02.00.0.6.76.50.0.27.313.59.89.417.37.92.12.16.01.0
amoindrie47.65.344.010.034.06.952.75.549.05.331.618.756.37.439.88.334.312.681.317.036.414.640.515.642.910.451.27.947.12.2
stable49.05.344.010.063.67.138.95.336.45.168.418.739.77.360.28.359.113.018.717.027.713.649.715.939.810.346.77.945.52.2
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.
=600 mpas d'indication6.93.36.02.64.83.34.31.94.91.5..0.0.9.08.60.0.0.0.0.0.17.011.00.0.1.91.95.10.9
critique0.0.1.21.24.73.37.62.48.31.9..0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.22.95.20.9
amoindrie41.16.547.15.544.67.853.74.641.63.5..58.222.341.114.351.625.2100.00.050.035.532.413.3100.00.048.27.146.02.1
stable51.96.645.75.545.87.834.44.445.33.5..41.822.349.914.548.425.20.0.50.035.550.514.40.0.45.77.143.82.0
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.
totalpas d'indication3.40.95.82.14.31.93.61.34.31.211.43.14.71.34.51.65.41.96.33.05.02.55.61.43.91.12.30.84.40.4
critique2.90.82.51.43.51.77.71.88.81.613.63.42.91.03.71.45.11.84.92.715.34.17.41.68.91.63.31.05.90.4
amoindrie36.62.447.24.639.64.652.83.444.42.838.44.758.43.049.73.652.64.071.75.645.05.635.52.945.22.748.82.846.00.9
stable57.12.444.54.652.74.735.83.242.52.836.64.734.02.942.03.636.93.917.14.734.65.451.63.042.02.745.72.743.60.9
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 #1262149/443899

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. 1262149. Birmensdorf, Swiss Federal Research Institute WSL

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