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IFN5
surface forestière
degré de recouvrement de la régénération (6 classes) · âge du peuplement (classes de 40 ans)
découpage régional: région économique
unité: %, sous-total
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km, sous-réseaux 1 à 5
état 2018/26
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
degré de recouvrement de la régénération (6 classes)âge du peuplement (classes de 40 ans)%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indicationpas d'indication..............................
0 (sans boisement)..............................
1-40 ans..............................
41-80 ans..............................
81-120 ans..............................
121-160 ans..............................
>160 ans..............................
peuplements inéquiens..............................
total..............................
<1%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.
0 (sans boisement)7.67.30.0.66.927.117.115.50.0.14.09.20.0.0.0.0.0.0.0.13.212.23.53.416.26.16.44.49.02.2
1-40 ans17.010.90.0.33.127.133.119.1100.00.00.0.0.0.13.68.90.0.0.0.0.0.10.45.75.73.96.24.38.92.2
41-80 ans8.78.30.0.0.0.17.115.50.0.20.210.50.0.29.211.19.28.80.0.13.412.413.76.48.54.739.88.918.12.9
81-120 ans16.410.70.0.0.0.32.819.00.0.0.0.50.035.533.411.419.212.1100.00.022.314.13.33.313.45.66.14.213.32.5
121-160 ans16.910.950.035.50.0.0.0.0.0.7.67.350.035.512.48.225.713.00.0.11.210.616.16.614.15.916.56.715.02.7
>160 ans8.27.90.0.0.0.0.0.0.0.36.813.10.0.0.0.16.410.70.0.26.616.023.07.733.67.912.96.119.03.0
peuplements inéquiens25.212.650.035.50.0.0.0.0.0.21.511.00.0.11.47.729.414.00.0.13.312.429.98.48.44.712.15.716.72.8
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.
1-9%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.
0 (sans boisement)0.0.4.84.75.84.03.72.65.83.20.0.2.31.60.0.1.61.52.72.62.32.31.91.13.91.30.80.52.10.4
1-40 ans1.91.34.74.625.67.327.36.115.55.16.34.410.93.65.12.51.51.45.53.89.54.55.81.94.41.47.01.67.50.8
41-80 ans17.03.623.59.227.97.539.36.752.46.927.97.511.63.716.64.218.04.716.56.216.85.812.82.712.62.434.93.022.31.2
81-120 ans26.44.338.210.621.66.712.94.515.14.916.26.115.94.032.45.212.64.018.56.316.55.714.02.812.62.48.41.815.81.0
121-160 ans11.53.19.86.65.43.77.43.67.53.610.75.117.14.117.44.210.03.619.26.513.85.210.12.416.92.77.21.611.70.9
>160 ans7.72.614.27.62.72.60.0.0.0.12.85.417.94.114.53.920.24.921.66.813.25.016.63.022.22.910.81.913.81.0
peuplements inéquiens35.54.74.84.711.15.29.44.03.82.626.07.524.34.813.93.936.15.916.16.028.06.938.83.927.43.230.92.926.81.3
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.
10-25%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.
0 (sans boisement)1.01.00.0.0.0.0.0.0.0.0.0.0.0.6.73.73.92.70.0.0.0.1.00.90.70.70.0.0.90.3
1-40 ans9.93.039.911.027.18.128.66.128.56.220.36.810.93.19.04.314.14.910.65.816.57.511.73.218.23.414.13.416.31.2
41-80 ans16.93.724.99.716.06.525.35.919.05.414.05.412.93.410.04.78.03.821.07.611.86.523.34.212.92.935.74.818.61.3
81-120 ans25.24.45.04.928.07.926.25.826.26.022.16.611.03.026.36.69.54.19.65.311.86.58.52.712.02.85.22.315.21.2
121-160 ans9.22.99.96.66.34.38.73.79.13.97.64.311.23.119.65.99.84.210.35.711.36.28.82.86.82.23.01.78.80.9
>160 ans7.12.60.0.3.13.00.0.1.91.97.03.96.62.52.22.213.84.810.35.68.55.714.63.514.53.110.83.18.70.9
peuplements inéquiens30.64.720.49.119.57.111.14.315.45.029.07.447.35.026.26.740.96.938.39.140.19.832.04.634.84.231.14.631.51.6
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.
26-50%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.
0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.73.90.0.9.38.80.0.0.0.2.42.30.70.4
1-40 ans16.23.622.48.056.311.125.66.923.45.233.912.415.04.930.88.030.07.629.512.347.515.128.87.339.76.736.47.327.11.9
41-80 ans7.42.514.66.89.86.69.54.517.74.66.36.112.14.68.64.724.57.136.212.90.0.28.97.417.15.239.67.416.21.5
81-120 ans32.04.533.39.114.67.831.17.230.75.512.08.012.94.622.57.17.14.012.58.38.27.90.0.5.43.04.83.318.81.6
121-160 ans11.33.111.16.19.66.49.44.58.93.56.56.312.14.37.94.47.94.40.0.0.0.0.0.7.33.52.62.58.01.1
>160 ans3.91.93.73.60.0.2.42.31.41.46.56.36.83.32.82.711.15.27.57.20.0.5.23.67.83.77.44.14.80.9
peuplements inéquiens29.24.414.86.99.86.622.16.518.04.734.912.641.16.727.47.513.75.714.49.435.014.337.17.822.85.87.03.924.31.8
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.
51-75%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.
0 (sans boisement)0.0.0.0.0.0.2.52.51.11.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.4
1-40 ans28.15.721.77.835.112.524.46.935.95.034.312.245.28.939.811.662.713.4100.00.051.217.775.410.760.115.557.814.437.92.5
41-80 ans9.53.721.27.76.56.317.46.015.23.829.511.313.56.36.26.07.77.40.0.12.912.024.610.70.0.16.710.814.31.8
81-120 ans16.14.739.39.225.110.922.86.735.74.911.67.86.34.331.910.922.811.60.0.11.510.90.0.0.0.8.38.022.12.1
121-160 ans15.84.614.26.612.88.517.46.05.42.419.710.27.84.415.98.56.86.60.0.24.415.10.0.0.0.8.98.511.11.6
>160 ans4.92.80.0.13.99.25.03.40.0.0.0.8.24.60.0.0.0.0.0.0.0.0.0.0.0.0.0.2.70.9
peuplements inéquiens25.55.53.53.56.56.310.44.96.72.64.94.819.07.06.26.00.0.0.0.0.0.0.0.39.915.58.27.911.41.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
76-100%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.
0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 ans23.95.950.910.136.412.537.28.733.26.552.220.438.014.935.312.979.018.678.718.875.221.539.321.783.215.457.622.239.13.1
41-80 ans9.74.18.25.66.36.118.86.912.94.615.114.10.0.15.19.921.018.60.0.24.821.560.721.70.0.0.0.12.22.1
81-120 ans31.16.424.58.744.412.734.58.531.56.332.719.18.98.521.010.80.0.21.318.80.0.0.0.16.815.40.0.27.12.9
121-160 ans11.54.412.36.66.46.29.45.29.13.90.0.16.410.87.06.80.0.0.0.0.0.0.0.0.0.21.018.59.11.8
>160 ans2.12.10.0.0.0.0.0.0.0.0.0.19.212.25.95.80.0.0.0.0.0.0.0.0.0.0.0.1.80.9
peuplements inéquiens21.75.84.14.06.66.30.0.13.34.70.0.17.511.315.610.10.0.0.0.0.0.0.0.0.0.21.418.810.82.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
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.
0 (sans boisement)0.40.30.80.83.41.71.70.91.30.61.51.10.60.41.40.82.81.21.11.13.11.81.40.63.30.81.10.51.60.2
1-40 ans13.91.627.44.033.84.228.32.828.42.419.73.716.82.216.32.617.02.816.24.020.64.114.11.915.31.713.31.518.40.6
41-80 ans12.51.617.83.415.73.323.32.822.02.319.63.511.92.013.72.415.42.719.94.313.43.519.02.112.41.635.02.218.60.6
81-120 ans26.32.128.64.124.93.824.72.828.92.416.03.212.41.928.63.111.42.315.53.813.83.49.11.511.41.57.11.217.50.6
121-160 ans11.71.512.32.97.32.39.91.97.71.59.62.713.11.915.02.410.02.211.63.411.73.28.61.511.81.56.61.210.30.5
>160 ans5.61.13.21.63.41.71.30.70.60.410.32.610.51.86.81.714.42.613.83.710.03.014.31.918.31.810.21.49.30.5
peuplements inéquiens29.52.29.92.711.62.910.82.111.11.823.23.834.72.818.12.729.13.421.94.527.34.533.52.527.52.126.72.124.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1373014/554776

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. 1373014. Birmensdorf, Swiss Federal Research Institute WSL

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