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IFN1
surface forestière
altitude (par classes de 400 m) · déclivité (classes de 20%)
découpage régional: région économique
unité: %, sous-total
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km
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 400 m)déclivité (classes de 20%)%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indicationpas d'indication..............................
=20%..............................
21-40%..............................
41-60%..............................
61-80%..............................
81-100%..............................
>100%..............................
total..............................
>1800 mpas d'indication..........0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%..........0.0.0.0...0.0.0.0.0.0.0.90.92.51.22.52.51.80.7
21-40%..........0.0.20.418.2..9.99.40.0.0.0.17.13.523.13.317.05.919.62.2
41-60%..........100.00.019.017.2..29.514.40.0.0.0.28.94.238.23.831.67.333.52.6
61-80%..........0.0.20.118.0..30.614.60.0.100.00.035.84.428.33.512.05.128.92.5
81-100%..........0.0.40.522.1..30.014.5100.00.00.0.12.93.16.11.922.06.512.11.8
>100%..........0.0.0.0...0.0.0.0.0.0.4.41.91.81.014.95.64.11.1
total..........100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1401-1800 mpas d'indication0.0...0.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%29.711.1..36.517.0....2.02.012.23.812.06.54.52.00.0.5.73.92.21.15.31.41.20.95.10.7
21-40%41.011.9..49.917.8....23.45.917.44.436.69.716.53.622.98.213.95.810.12.217.02.312.62.616.51.2
41-60%23.710.4..13.612.6....36.46.727.55.143.39.930.44.423.28.330.57.738.73.535.73.024.13.432.41.5
61-80%5.75.5..0.0.....28.36.230.15.33.93.934.84.638.59.638.98.132.63.430.22.829.03.630.11.5
81-100%0.0...0.0.....9.84.25.22.54.24.18.22.615.37.111.05.211.72.38.01.720.73.210.71.0
>100%0.0...0.0.....0.0.7.83.10.0.5.52.20.0.0.0.4.81.63.81.212.42.65.20.7
total100.0...100.0.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1001-1400 m pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%41.82.90.0.25.412.820.017.859.322.411.53.19.32.19.22.44.42.15.83.33.72.50.0.6.62.11.00.713.70.9
21-40%31.72.8100.00.023.612.119.417.821.318.632.34.528.13.335.34.017.23.921.35.77.73.710.12.615.93.18.72.022.61.1
41-60%19.12.30.0.51.014.440.722.40.0.25.14.227.33.331.73.930.04.711.84.531.36.334.24.129.63.926.43.226.51.2
61-80%6.01.40.0.0.0.20.017.819.417.820.94.027.13.214.92.925.04.536.16.640.76.736.04.226.93.834.93.423.21.1
81-100%1.40.70.0.0.0.0.0.0.0.6.52.45.51.77.52.219.44.117.35.311.24.313.63.014.53.017.12.79.60.8
>100%0.0.0.0.0.0.0.0.0.0.3.81.92.71.21.41.04.22.07.73.75.53.16.12.16.52.111.92.34.30.5
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.
601-1000 m pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%17.22.030.45.474.73.841.34.047.63.930.17.015.82.612.62.60.0.3.33.36.03.45.32.613.74.01.91.123.61.0
21-40%35.12.533.45.617.33.338.64.033.73.629.46.936.13.436.43.819.65.66.34.311.64.58.03.115.44.314.12.728.31.1
41-60%29.92.422.24.96.52.113.52.813.22.631.37.028.43.231.93.730.26.515.96.525.06.027.05.140.95.828.83.624.71.0
61-80%14.21.97.03.01.51.05.91.93.61.46.73.715.32.515.02.833.06.642.08.924.96.036.05.619.24.628.63.615.10.9
81-100%2.80.95.62.70.0.0.70.71.81.10.0.3.51.33.71.513.34.719.47.123.15.922.54.89.43.416.62.96.10.6
>100%0.80.51.41.40.0.0.0.0.0.2.52.50.90.60.50.53.92.713.16.19.54.01.31.31.41.410.02.42.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
=600 mpas d'indication0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%41.14.837.44.068.85.273.13.166.42.4..53.312.843.510.933.219.329.417.40.0.40.012.666.427.314.33.555.11.5
21-40%24.04.234.64.026.34.917.32.728.12.3..20.210.423.79.332.418.90.0.0.0.19.710.20.0.19.44.024.91.3
41-60%28.14.422.63.53.72.17.71.95.01.1..13.28.713.67.30.0.14.513.532.526.920.210.433.627.321.74.212.21.0
61-80%6.82.55.41.91.31.31.91.00.30.3..6.66.410.16.817.215.728.016.967.526.913.48.80.0.27.04.55.40.7
81-100%0.0.0.0.0.0.0.0.0.30.3..0.0.4.54.417.215.714.513.50.0.6.76.50.0.13.53.51.70.4
>100%0.0.0.0.0.0.0.0.0.0...6.76.54.54.40.0.13.512.60.0.0.0.0.0.4.12.00.70.3
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.
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%30.21.734.93.268.83.059.02.660.72.113.32.413.91.613.21.84.11.25.22.14.91.82.90.76.10.93.40.722.70.5
21-40%32.41.734.53.221.82.726.22.329.71.929.23.229.62.135.22.617.42.316.13.410.42.511.61.418.11.513.21.323.60.6
41-60%25.31.622.42.88.11.810.61.67.41.129.73.227.32.031.52.529.52.815.33.328.73.733.22.135.61.926.11.724.60.6
61-80%9.81.15.91.61.30.73.81.01.50.519.42.821.71.913.81.830.52.837.14.435.64.034.12.127.61.829.31.818.70.5
81-100%1.80.51.90.90.0.0.30.30.70.45.81.64.81.05.31.214.02.118.73.615.03.013.81.59.01.117.61.57.30.3
>100%0.40.20.50.50.0.0.0.0.0.2.51.12.80.71.10.54.41.37.62.45.41.84.40.93.60.710.51.23.10.2
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.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1316326/498076

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. 1316326. Birmensdorf, Swiss Federal Research Institute WSL

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