Recherche dans d'anciens sets de données

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IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN2
état1993/95
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.20.10.40.21.70.42.30.30.50.31.20.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.
total0.20.10.40.21.70.42.30.30.50.31.20.1
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.
1 à 400.30.20.90.31.40.33.30.43.50.71.90.2
41 à 800.40.20.60.21.60.41.50.30.80.31.10.1
81 à 1200.50.22.50.42.70.51.30.30.40.21.60.2
121 à 1600.10.10.60.21.40.31.50.30.50.30.90.1
plus de 1600.0.0.0.0.30.12.50.30.90.30.90.1
peuplement inéquien0.20.10.20.11.20.31.10.20.80.30.70.1
total1.50.44.70.68.50.811.20.76.90.97.20.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.
1 à 405.50.711.70.97.00.78.00.614.91.39.00.3
41 à 808.20.87.80.79.40.85.40.510.71.17.80.3
81 à 12011.81.016.51.016.11.16.50.53.60.710.90.4
121 à 1606.10.73.90.57.30.78.00.63.30.66.10.3
plus de 1601.30.30.40.23.10.59.80.73.10.64.30.3
peuplement inéquien2.10.41.80.47.30.79.30.67.71.06.00.3
total35.01.442.11.450.21.447.01.143.21.844.10.6
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.
1 à 406.00.712.60.94.40.65.80.511.51.17.60.3
41 à 8011.40.911.70.95.40.74.00.410.11.17.80.3
81 à 12020.91.218.71.110.50.95.40.55.80.811.80.4
121 à 16013.01.06.00.75.90.76.00.55.90.87.20.3
plus de 1603.50.60.60.22.70.58.00.62.30.54.00.2
peuplement inéquien8.40.83.10.510.70.910.30.713.81.29.00.4
total63.21.452.81.439.71.439.51.149.41.847.50.6
total0 (sans boisement)0.20.10.40.21.70.42.30.30.50.31.20.1
1 à 4011.70.925.31.112.90.917.00.829.81.618.50.5
41 à 8020.11.220.11.116.31.110.90.721.61.516.70.5
81 à 12033.21.437.71.329.31.313.30.79.81.124.30.5
121 à 16019.21.210.50.814.51.015.50.89.71.014.30.4
plus de 1604.80.61.00.36.10.720.20.96.30.99.30.4
peuplement inéquien10.70.95.00.619.21.120.70.922.31.515.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793897/260229
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.20.20.80.30.80.31.00.20.40.20.70.1
1 à 401.90.41.80.41.40.41.50.31.50.41.60.2
41 à 800.60.21.70.41.10.30.60.20.10.10.80.1
81 à 1201.40.41.90.41.50.40.30.10.30.21.00.1
121 à 1600.60.20.70.20.60.20.60.20.30.20.60.1
plus de 1600.0.0.0.0.20.10.30.10.30.20.20.1
peuplement inéquien0.50.20.90.30.60.20.90.20.50.30.70.1
total5.20.77.80.86.10.75.20.53.30.75.60.3
stabilité moindrie0 (sans boisement)0.40.21.00.30.90.30.90.20.40.20.80.1
1 à 404.40.611.10.94.20.67.10.69.71.17.20.3
41 à 803.90.67.30.83.70.63.70.49.01.05.10.3
81 à 1209.80.911.50.911.11.04.40.52.20.57.70.3
121 à 1605.70.72.50.56.40.75.00.52.60.64.60.3
plus de 1601.30.40.50.22.90.54.30.52.90.62.60.2
peuplement inéquien2.60.52.70.57.20.88.00.68.11.05.90.3
total28.11.436.71.436.51.533.21.134.91.733.90.6
stable0 (sans boisement)0.40.21.00.32.60.50.80.20.0.1.00.1
1 à 407.60.814.91.07.30.89.40.710.11.19.80.4
41 à 809.40.910.00.96.60.86.50.615.51.38.80.4
81 à 12022.61.317.01.112.61.07.90.67.91.013.10.4
121 à 16012.11.06.80.711.61.010.70.75.10.89.60.4
plus de 1602.60.51.00.33.90.69.90.75.30.85.20.3
peuplement inéquien11.91.04.80.612.91.016.40.917.81.412.90.4
total66.71.555.51.557.41.561.61.161.71.860.50.6
total0 (sans boisement)1.10.32.80.54.30.62.70.40.80.32.50.2
1 à 4013.91.027.71.212.81.017.90.921.31.418.60.5
41 à 8013.81.119.01.111.41.010.70.724.61.514.80.5
81 à 12033.81.530.41.325.21.312.60.810.41.121.70.5
121 à 16018.41.210.00.918.61.216.20.88.01.014.80.5
plus de 1604.00.61.50.47.00.814.50.88.51.08.00.3
peuplement inéquien15.01.18.50.820.71.225.21.026.41.619.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793898/260230
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.20.20.80.30.90.31.00.20.40.20.70.1
1 à 401.90.41.70.41.40.41.60.31.60.41.60.2
41 à 800.60.21.80.41.00.30.60.20.10.10.90.1
81 à 1201.40.41.90.41.50.40.30.10.30.21.00.1
121 à 1600.60.20.70.20.60.20.60.20.30.20.60.1
plus de 1600.0.0.0.0.20.10.30.10.30.20.20.1
peuplement inéquien0.50.20.90.30.70.30.80.20.50.30.70.1
total5.20.77.80.86.30.75.20.53.40.75.70.3
stabilité moindrie0 (sans boisement)0.40.21.00.30.90.30.90.20.40.20.80.1
1 à 404.30.611.10.94.20.67.20.610.01.17.30.3
41 à 804.10.67.50.83.80.63.70.49.21.05.20.3
81 à 1209.70.911.60.911.00.94.30.52.40.67.60.3
121 à 1605.60.72.50.56.40.74.90.52.60.64.50.3
plus de 1601.30.40.50.22.90.54.30.52.90.62.60.2
peuplement inéquien2.70.52.80.57.10.87.90.67.91.05.90.3
total28.11.436.91.436.31.533.21.135.31.733.90.6
stable0 (sans boisement)0.40.21.00.32.60.50.80.20.0.1.00.1
1 à 407.50.814.71.07.20.89.40.710.01.19.80.4
41 à 809.40.99.90.96.70.86.40.615.21.38.80.4
81 à 12022.51.317.01.112.61.08.00.68.01.013.10.4
121 à 16012.21.06.90.711.61.010.60.75.10.89.60.4
plus de 1602.60.51.00.33.80.69.80.75.20.85.20.3
peuplement inéquien12.11.04.90.613.01.016.50.817.81.413.00.4
total66.71.555.31.557.41.561.61.161.31.860.40.6
total0 (sans boisement)1.00.32.80.54.30.62.60.40.80.32.50.2
1 à 4013.71.027.51.112.81.018.20.921.51.418.70.5
41 à 8014.01.119.21.111.51.010.70.724.51.514.80.5
81 à 12033.61.530.41.325.11.312.60.810.71.121.70.5
121 à 16018.41.210.10.918.61.216.10.87.90.914.70.5
plus de 1603.90.61.50.47.00.814.40.88.41.08.00.3
peuplement inéquien15.31.18.50.820.81.225.21.026.21.619.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793899/260231
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.20.10.80.30.80.30.90.20.40.20.70.1
1 à 401.70.41.80.41.30.31.60.31.40.41.60.2
41 à 800.60.21.90.41.20.30.70.20.10.10.90.1
81 à 1201.40.31.90.41.40.30.30.10.40.21.00.1
121 à 1600.50.20.70.20.70.20.70.20.40.20.60.1
plus de 1600.0.0.0.0.20.10.30.10.20.20.20.1
peuplement inéquien0.50.20.80.30.70.20.80.20.50.20.70.1
total5.00.77.80.76.30.75.20.53.30.65.60.3
stabilité moindrie0 (sans boisement)0.40.21.00.31.00.30.80.20.30.20.70.1
1 à 405.20.710.80.84.60.67.30.610.01.07.50.3
41 à 803.90.67.80.73.50.53.80.49.11.05.20.3
81 à 12010.00.911.10.911.00.94.40.42.40.57.60.3
121 à 1605.60.72.50.46.30.75.00.52.60.54.60.3
plus de 1601.20.30.50.22.90.54.50.42.90.62.60.2
peuplement inéquien2.90.52.80.56.80.77.80.68.10.95.90.3
total29.01.436.41.336.11.433.51.035.61.634.10.6
stable0 (sans boisement)0.40.21.00.32.80.50.90.20.0.1.10.1
1 à 407.40.814.70.97.20.79.70.610.11.09.90.4
41 à 809.20.99.90.86.10.76.40.515.01.28.60.3
81 à 12022.91.216.61.012.90.98.10.67.90.913.10.4
121 à 16011.91.07.20.711.30.910.30.75.20.79.50.4
plus de 1602.50.51.00.34.40.69.80.65.20.85.30.3
peuplement inéquien11.71.05.30.612.91.016.10.817.91.312.90.4
total66.01.455.81.457.61.461.31.161.11.760.30.6
total0 (sans boisement)0.90.32.80.44.60.62.70.30.70.32.50.2
1 à 4014.31.027.31.113.10.918.50.821.51.418.90.5
41 à 8013.71.019.61.110.80.910.80.724.21.414.70.4
81 à 12034.21.429.61.225.31.212.90.710.61.021.70.5
121 à 16018.01.210.40.818.31.115.90.88.20.914.70.4
plus de 1603.60.61.50.37.50.714.60.88.30.98.10.3
peuplement inéquien15.11.18.90.820.41.124.70.926.41.519.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793900/260232
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.0.0.30.20.70.30.40.20.20.20.30.1
1 à 400.70.31.10.31.80.42.50.41.60.51.60.2
41 à 800.20.10.70.20.80.31.40.33.10.71.10.1
81 à 1200.40.20.40.20.60.20.60.20.20.20.50.1
121 à 1600.0.0.0.0.80.30.90.20.20.20.50.1
plus de 1600.0.0.0.0.0.0.40.20.0.0.10.0
peuplement inéquien0.30.20.40.21.30.41.20.31.50.50.90.1
total1.70.42.80.56.00.87.40.76.71.05.10.3
stabilité moindrie0 (sans boisement)0.0.0.30.20.60.20.80.20.30.20.50.1
1 à 408.90.914.61.08.30.87.20.66.31.09.10.4
41 à 805.60.78.30.87.00.86.90.619.71.68.50.4
81 à 1208.60.99.70.910.20.95.40.64.40.87.70.4
121 à 1604.20.63.80.67.90.87.70.74.80.96.00.3
plus de 1601.20.40.60.22.60.55.70.64.20.83.10.2
peuplement inéquien5.20.75.80.711.61.012.10.816.91.510.00.4
total33.61.543.21.548.11.645.91.256.52.044.80.7
stable0 (sans boisement)0.30.20.90.31.60.41.30.30.60.31.00.1
1 à 405.10.714.51.06.10.73.70.52.30.66.50.3
41 à 8010.61.011.00.94.50.75.10.58.61.17.60.4
81 à 12017.31.216.61.111.51.06.70.63.50.711.20.4
121 à 16012.51.15.30.76.10.85.90.64.30.86.80.3
plus de 1602.30.50.40.23.10.57.70.74.40.83.90.3
peuplement inéquien16.61.25.30.712.91.116.40.913.21.413.10.5
total64.71.554.01.545.91.646.61.236.81.950.10.7
total0 (sans boisement)0.30.21.40.42.90.52.50.41.10.41.80.2
1 à 4014.71.030.31.116.11.113.30.810.11.217.30.5
41 à 8016.31.220.01.212.31.013.40.831.41.817.20.5
81 à 12026.31.426.71.222.31.212.70.88.01.119.40.5
121 à 16016.71.29.20.814.91.114.50.99.21.213.20.5
plus de 1603.50.61.10.35.70.713.80.88.61.17.10.3
peuplement inéquien22.11.311.40.925.81.429.71.131.51.924.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793901/260233
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.20.20.90.30.80.31.10.30.50.30.80.1
1 à 401.80.41.60.41.00.31.10.30.70.31.30.2
41 à 800.60.21.70.41.10.30.70.20.20.20.90.1
81 à 1201.50.41.90.41.50.40.30.10.30.21.10.1
121 à 1600.60.30.70.30.60.30.70.20.30.20.60.1
plus de 1600.0.0.0.0.20.10.40.20.30.20.20.1
peuplement inéquien0.50.20.80.30.60.20.70.20.50.30.60.1
total5.20.77.60.85.90.74.90.52.80.75.50.3
stabilité moindrie0 (sans boisement)0.40.21.00.31.00.31.00.30.50.30.80.1
1 à 404.40.611.30.93.60.65.70.67.71.16.50.3
41 à 804.00.67.30.83.90.63.70.510.21.25.30.3
81 à 12010.11.011.60.911.41.04.90.52.60.68.20.4
121 à 1605.60.72.60.56.80.85.30.63.20.74.80.3
plus de 1601.40.40.50.22.90.54.90.53.10.72.70.2
peuplement inéquien2.40.52.80.57.30.88.10.78.41.15.80.3
total28.31.537.01.436.91.533.71.235.61.934.30.6
stable0 (sans boisement)0.40.21.00.32.80.51.00.20.0.1.10.1
1 à 407.40.814.81.06.90.87.00.67.01.08.70.4
41 à 809.60.99.90.96.70.86.70.617.61.59.20.4
81 à 12022.81.317.11.113.01.08.80.79.01.213.90.5
121 à 16012.01.06.90.711.71.011.30.86.00.99.90.4
plus de 1602.70.51.00.33.90.610.80.84.90.95.30.3
peuplement inéquien11.51.04.70.612.41.015.90.917.11.512.20.4
total66.51.555.31.557.31.661.51.261.62.060.30.7
total0 (sans boisement)1.10.32.90.54.60.63.10.40.90.42.70.2
1 à 4013.61.027.71.211.51.013.80.815.31.416.40.5
41 à 8014.21.118.91.211.71.011.20.827.91.815.40.5
81 à 12034.41.530.61.325.81.313.90.911.91.323.10.6
121 à 16018.21.210.10.919.11.217.30.99.61.215.40.5
plus de 1604.10.61.50.47.00.816.00.98.31.18.20.4
peuplement inéquien14.51.18.30.820.31.224.71.126.01.818.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 10.06.2020 #793902/260234
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.0.0.30.20.70.20.40.10.10.10.30.1
1 à 400.70.31.20.32.20.43.50.42.80.62.30.2
41 à 800.20.10.70.20.70.31.80.32.80.61.20.1
81 à 1200.40.20.30.20.50.20.50.20.10.10.40.1
121 à 1600.0.0.0.0.80.30.70.20.10.10.40.1
plus de 1600.0.0.0.0.10.10.30.10.0.0.10.0
peuplement inéquien0.30.20.30.21.30.31.30.21.30.40.90.1
total1.60.42.80.56.30.78.50.67.30.95.70.3
stabilité moindrie0 (sans boisement)0.0.0.40.20.50.20.70.20.40.20.40.1
1 à 409.10.914.61.09.60.910.30.79.11.010.60.4
41 à 805.50.78.20.87.00.86.60.617.61.38.30.3
81 à 1208.30.99.50.89.70.94.70.53.50.77.00.3
121 à 1604.00.63.70.67.40.86.60.53.90.75.40.3
plus de 1601.20.40.60.22.40.55.00.53.50.62.90.2
peuplement inéquien5.50.76.10.711.10.911.90.716.81.310.20.4
total33.51.543.11.547.81.545.81.154.81.744.80.6
stable0 (sans boisement)0.30.20.80.31.50.41.10.20.50.30.90.1
1 à 405.20.714.80.96.20.74.80.54.60.77.00.3
41 à 8010.20.910.80.94.80.65.10.58.51.07.40.3
81 à 12016.71.116.61.011.10.96.00.53.20.610.40.4
121 à 16012.61.05.20.66.10.75.20.53.40.66.40.3
plus de 1602.40.50.50.22.90.56.50.63.90.73.70.2
peuplement inéquien17.41.25.30.713.41.016.90.813.81.213.70.4
total64.91.554.01.545.91.545.71.138.01.749.50.6
total0 (sans boisement)0.30.21.50.42.70.52.20.31.00.31.70.2
1 à 4014.91.030.51.118.01.118.60.816.51.319.90.5
41 à 8015.91.119.71.112.51.013.50.828.91.616.90.5
81 à 12025.41.326.51.221.31.211.20.76.80.917.80.5
121 à 16016.61.28.90.814.41.012.60.77.40.912.20.4
plus de 1603.70.61.10.35.40.711.90.77.40.96.70.3
peuplement inéquien23.21.311.70.925.81.330.11.031.91.724.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793903/260235
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.0.0.0.0.0.11.34.816.414.60.0...14.813.819.77.90.0.18.416.948.323.0..13.012.136.414.70.0.0.0.12.912.10.0.0.0.0.0.40.012.720.78.238.833.69.79.314.62.3
1 à 400.0.0.0.0.0.0.0.0.0.0.0...0.0.4.24.10.0.0.0.0.0...0.0.9.59.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.6
41 à 800.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.15.90.0.0.0.0.0.0.40.4
81 à 1200.0.0.0.0.0.2.12.10.0.0.0...0.0.0.0.0.0.0.0.0.0...8.88.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.5
121 à 1600.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.13.212.20.50.5
plus de 1600.0.0.0.0.0.0.0.0.0.0.0...0.0.3.93.80.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.4
peuplement inéquien100.0.100.0.100.0.86.65.183.614.6100.0...85.213.872.29.0100.0.81.616.951.723.0..78.214.254.015.2100.0.100.0.87.112.1100.0.100.0.100.0.53.912.979.38.261.233.677.114.582.52.5
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0...0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4021.711.10.0...25.25.80.0.0.0...63.316.919.95.450.035.619.012.2100.0.0.0.0.0.27.19.645.035.035.820.323.414.869.423.662.812.125.922.520.67.027.67.455.929.635.911.826.82.5
41 à 8020.610.60.0...25.75.90.0.50.616.1..12.011.410.94.250.035.610.09.50.0.0.0.39.320.921.58.755.035.020.517.939.017.60.0.0.0.48.325.220.77.016.26.10.0.17.69.419.22.2
81 à 12036.012.80.0...16.35.046.224.80.0...12.311.65.53.10.0.30.314.40.0.51.435.30.0.13.47.30.0.28.417.912.011.30.0.12.68.425.922.514.35.915.75.90.0.0.0.13.61.9
121 à 1607.27.00.0...5.63.253.824.88.58.2..0.0.12.54.40.0.0.0.0.0.0.0.17.716.00.0.0.0.0.0.12.411.60.0.0.0.0.0.6.04.10.0.0.0.12.48.36.31.4
plus de 1600.0.0.0...0.0.0.0.0.0...12.311.67.13.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.12.25.75.53.80.0.5.75.53.71.1
peuplement inéquien14.59.5100.0...27.26.00.0.40.915.8..0.0.44.06.70.0.40.715.70.0.48.635.343.020.237.910.50.0.15.214.313.212.330.623.624.610.70.0.26.27.635.17.944.129.628.411.030.42.6
total100.0.100.0...100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
1 à 4035.84.521.711.034.213.512.81.713.06.025.84.920.019.020.06.613.91.827.65.813.13.013.25.627.412.38.73.817.23.333.210.220.94.213.84.432.56.438.43.314.75.411.42.411.82.328.412.922.13.519.00.8
41 à 8020.33.826.611.418.79.714.71.814.15.921.44.70.0.19.56.85.41.218.45.028.34.211.35.535.113.314.74.917.43.322.69.127.24.418.05.29.14.415.62.524.36.721.23.110.62.223.812.326.04.116.40.7
81 à 12026.14.126.911.915.110.527.12.353.48.817.44.50.0.24.16.98.31.423.55.528.64.034.68.27.37.220.35.818.13.321.78.727.64.620.85.433.46.93.61.318.66.121.03.110.22.213.29.030.44.219.40.8
121 à 1603.81.85.25.10.0.6.41.28.85.09.63.20.0.11.85.614.61.87.03.44.41.96.64.50.0.3.22.34.91.94.03.92.21.612.24.40.0.9.72.012.25.29.62.210.22.212.07.80.90.97.90.5
plus de 1600.90.90.0.0.0.3.60.90.0.3.52.00.0.14.26.013.71.81.71.70.0.2.42.40.0.3.92.73.11.50.0.0.0.3.42.40.0.5.51.54.83.34.01.512.42.40.0.0.90.95.20.4
peuplement inéquien13.13.319.710.632.012.735.42.410.75.022.44.880.019.010.45.043.92.621.95.425.64.032.07.730.112.949.26.839.44.218.68.522.24.231.96.325.16.427.13.025.46.732.83.644.83.622.612.319.73.732.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4011.93.20.0.9.75.46.61.414.45.111.23.40.0.4.34.28.51.64.92.210.83.80.90.90.0.17.17.25.92.625.87.78.14.011.04.211.93.923.52.74.94.811.12.16.31.58.88.712.43.210.20.6
41 à 8028.34.414.513.518.36.89.21.617.25.914.53.60.0.9.86.74.91.318.93.915.74.611.83.321.99.59.06.211.73.528.58.124.06.217.25.221.86.023.52.710.87.015.32.48.31.729.314.724.24.514.70.7
81 à 12041.24.860.518.138.99.629.92.626.66.823.74.60.0.15.48.28.11.640.84.931.25.915.03.633.012.87.85.524.14.615.16.131.06.611.04.329.46.711.12.028.810.817.72.511.82.017.711.632.24.821.10.8
121 à 1604.82.114.513.54.94.914.01.919.96.114.73.733.328.912.97.014.22.115.03.57.73.38.52.90.0.16.87.714.44.09.75.56.43.622.05.712.54.86.11.516.08.710.02.18.31.714.89.05.02.211.00.7
plus de 1600.0.0.0.0.0.5.31.20.0.0.90.933.328.923.99.419.32.31.11.10.0.1.31.30.0.4.03.92.61.83.03.00.0.12.44.50.0.3.61.216.08.710.32.114.32.28.88.70.80.87.10.5
peuplement inéquien13.83.410.510.328.28.935.12.721.86.335.05.133.328.933.510.445.02.919.23.934.66.062.54.845.112.745.310.341.35.517.87.130.56.926.45.924.46.132.13.023.410.135.73.251.03.220.513.225.44.535.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.0.0.0.0.0.0.60.31.41.40.0.0.0.1.31.30.80.30.0.0.50.51.71.20.0.1.11.11.70.80.0.0.0.0.80.80.0.0.0.0.0.1.30.51.00.52.82.80.30.30.70.1
1 à 4023.02.712.36.617.86.210.51.112.13.415.82.612.512.418.24.511.91.213.22.612.32.34.51.713.36.59.72.913.92.227.55.716.73.112.32.823.53.630.82.012.34.011.61.59.71.321.88.118.42.214.80.5
41 à 8022.92.719.27.818.15.212.51.214.03.818.22.80.0.14.14.25.40.818.33.022.63.011.22.726.78.013.43.515.02.325.15.724.83.417.83.414.13.518.61.821.45.017.71.89.41.321.87.923.82.815.10.5
81 à 12032.22.932.39.330.27.426.11.534.85.218.52.90.0.18.14.57.71.032.53.528.83.219.13.321.97.814.73.918.92.416.04.527.43.514.73.129.14.57.51.221.25.118.11.810.91.412.65.828.02.919.00.5
121 à 1604.31.37.05.03.23.29.01.015.73.911.42.312.512.49.83.613.81.311.42.45.21.67.72.30.0.7.52.87.41.76.53.23.31.515.63.35.72.37.31.212.14.19.21.48.01.211.04.53.81.38.80.4
plus de 1600.40.40.0.0.0.3.80.70.0.1.80.912.512.415.74.415.11.31.20.90.0.1.51.10.0.3.41.92.51.01.51.50.0.6.82.20.0.4.30.97.33.27.61.312.21.43.33.31.20.75.70.3
peuplement inéquien17.22.529.29.130.87.337.51.722.14.334.33.562.518.222.75.045.31.823.33.230.73.354.44.138.19.050.25.340.63.123.45.627.83.631.94.127.74.431.42.125.75.334.42.248.92.226.78.624.62.835.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793904/260236
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %±
critique0 (sans boisement)0.0.0.30.20.70.30.40.20.10.10.30.1
1 à 400.70.31.10.32.10.43.30.42.60.62.10.2
41 à 800.20.10.70.20.70.31.70.32.80.61.20.1
81 à 1200.40.20.40.20.60.20.50.20.10.10.40.1
121 à 1600.0.0.0.0.80.30.80.20.10.10.40.1
plus de 1600.0.0.0.0.10.10.40.10.0.0.10.0
peuplement inéquien0.30.20.40.21.40.31.20.31.20.40.90.1
total1.60.42.80.56.30.78.40.67.00.95.60.3
stabilité moindrie0 (sans boisement)0.0.0.40.20.60.20.70.20.40.20.50.1
1 à 409.10.914.61.09.00.99.10.79.11.010.10.4
41 à 805.60.78.30.87.00.86.90.618.01.48.40.4
81 à 1208.30.99.50.99.80.94.90.53.70.77.10.3
121 à 1604.10.63.80.67.70.87.00.64.10.75.60.3
plus de 1601.20.40.60.22.50.55.10.53.70.72.90.2
peuplement inéquien5.30.76.00.711.41.012.00.816.21.310.10.4
total33.61.543.31.547.91.545.71.155.11.844.80.6
stable0 (sans boisement)0.30.20.80.31.50.41.10.20.50.30.90.1
1 à 405.20.714.61.06.20.74.70.53.90.76.90.3
41 à 8010.30.910.90.94.70.74.90.58.51.07.40.3
81 à 12016.81.216.61.111.10.96.10.53.00.610.50.4
121 à 16012.61.05.20.66.30.75.50.53.50.76.50.3
plus de 1602.40.50.50.23.00.56.80.64.20.73.80.2
peuplement inéquien17.31.25.20.613.01.016.70.914.31.313.60.4
total64.81.553.91.545.81.545.91.237.81.749.60.6
total0 (sans boisement)0.30.21.50.42.70.52.30.31.00.41.70.2
1 à 4014.91.030.41.117.31.117.10.815.61.319.20.5
41 à 8016.11.119.91.112.41.013.50.829.31.617.00.5
81 à 12025.51.326.51.221.51.211.50.76.80.918.10.5
121 à 16016.71.29.00.814.81.113.30.87.71.012.60.4
plus de 1603.60.61.20.35.60.712.30.77.81.06.80.3
peuplement inéquien22.81.311.60.925.71.329.91.131.71.724.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793905/260237
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.0.0.0.0.0.10.64.514.713.20.0...12.611.918.76.90.0.15.314.348.323.0..11.510.823.110.30.0.0.0.8.68.30.0.9.96.60.0.33.211.116.26.638.833.68.88.513.32.0
1 à 400.0.0.0.0.0.0.0.0.0.0.0...0.0.3.33.20.0.0.0.0.0...0.0.6.05.90.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.5
41 à 800.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.04.90.0.0.0.0.0.0.30.3
81 à 1200.0.0.0.0.0.2.01.90.0.0.0...0.0.0.0.0.0.0.0.0.0...7.87.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.4
121 à 1600.0.0.0.0.0.0.0.0.0.0.0...0.0.3.13.10.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.11.911.10.80.5
plus de 1600.0.0.0.0.0.0.0.0.0.0.0...0.0.3.03.00.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.3
peuplement inéquien100.0.100.0.100.0.87.54.885.313.2100.0...87.411.971.98.0100.0.84.714.351.723.0..80.712.770.911.1100.0.100.0.91.48.3100.0.90.16.6100.0.61.811.583.86.661.233.679.313.283.92.2
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0...0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4021.711.10.0...25.75.70.0.0.0...63.316.919.55.350.035.619.012.2100.0.0.0.0.0.24.68.945.035.035.820.320.913.469.423.664.911.621.118.820.06.829.57.555.929.635.911.826.82.4
41 à 8020.610.60.0...24.45.70.0.50.616.1..12.011.410.74.150.035.610.09.50.0.0.0.39.320.919.58.055.035.020.517.934.716.20.0.0.0.39.422.223.07.215.75.90.0.17.69.418.82.2
81 à 12036.012.80.0...15.44.746.224.80.0...12.311.65.43.10.0.30.314.40.0.51.435.30.0.12.26.70.0.28.417.910.710.20.0.11.97.939.422.213.95.815.35.70.0.0.0.13.41.9
121 à 1607.27.00.0...5.33.053.824.88.58.2..0.0.12.34.40.0.0.0.0.0.0.0.17.716.00.0.0.0.0.0.11.010.40.0.0.0.0.0.5.84.00.0.0.0.12.48.36.11.3
plus de 1600.0.0.0...1.61.60.0.0.0...12.311.67.03.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.11.95.65.33.70.0.5.75.53.91.1
peuplement inéquien14.59.5100.0...27.65.90.0.40.915.8..0.0.45.06.70.0.40.715.70.0.48.635.343.020.243.610.20.0.15.214.322.814.230.623.623.210.20.0.25.57.434.27.744.129.628.411.031.02.6
total100.0.100.0...100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
1 à 4035.84.521.711.034.213.512.71.713.06.025.84.920.019.020.06.614.01.827.65.813.53.013.25.632.612.68.43.717.43.333.210.220.54.213.14.232.56.439.03.213.75.111.22.412.62.426.512.122.23.519.10.8
41 à 8020.33.826.611.418.79.714.81.814.15.921.44.70.0.19.56.85.51.218.45.028.24.111.35.532.612.614.24.717.53.322.69.126.74.317.25.09.14.415.72.427.36.821.43.010.42.222.211.626.74.016.50.7
81 à 12026.14.126.911.915.110.526.82.253.48.817.44.50.0.24.16.98.01.423.55.528.44.034.68.26.86.719.65.617.53.221.78.727.04.523.15.533.46.93.41.217.45.721.13.110.02.112.38.430.24.119.20.8
121 à 1603.81.85.25.10.0.6.51.28.85.09.63.20.0.11.85.614.41.87.03.44.31.96.64.50.0.3.12.24.71.94.03.92.91.711.64.20.0.9.71.911.44.99.52.210.12.111.27.20.90.97.80.5
plus de 1600.90.90.0.0.0.3.50.90.0.3.52.00.0.14.26.013.31.71.71.70.0.2.42.40.0.3.82.73.11.50.0.0.0.3.32.30.0.5.61.54.43.13.91.412.22.30.0.0.90.95.10.4
peuplement inéquien13.13.319.710.632.012.735.72.410.75.022.44.880.019.010.45.044.62.621.95.425.64.032.07.728.012.251.06.839.84.218.68.522.84.231.86.125.16.426.52.925.76.432.83.544.63.627.812.519.03.632.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4012.53.20.0.9.75.47.01.414.45.111.13.40.0.4.14.08.81.64.62.010.33.70.90.90.0.17.17.25.72.525.87.78.14.011.04.213.24.024.72.74.94.810.72.06.41.58.88.713.13.210.40.6
41 à 8027.54.314.513.518.36.89.21.617.25.914.43.60.0.14.57.84.71.218.83.815.04.411.33.221.99.59.06.211.33.428.58.124.06.217.25.221.55.923.12.710.87.015.62.48.71.729.314.723.74.414.50.7
81 à 12040.04.760.518.138.99.629.52.526.66.823.44.50.0.14.67.88.51.639.54.731.35.714.43.533.012.87.85.523.24.515.16.131.06.611.04.329.06.611.52.028.810.817.02.413.22.117.711.631.54.721.00.8
121 à 1604.72.014.513.54.94.913.81.919.96.114.63.733.328.912.36.614.32.014.13.47.43.29.12.90.0.16.87.715.34.09.75.56.43.622.05.712.44.85.91.516.08.710.52.18.31.714.89.04.92.211.00.6
plus de 1600.0.0.0.0.0.5.11.20.0.0.90.933.328.922.79.018.82.21.01.00.0.1.21.20.0.4.03.93.72.13.03.00.0.12.44.50.0.3.51.216.08.79.92.014.02.18.88.70.80.87.00.5
peuplement inéquien15.33.510.510.328.28.935.52.621.86.335.75.133.328.931.810.044.82.921.94.036.15.963.24.745.112.745.310.340.95.417.87.130.56.926.45.924.06.131.42.923.410.136.43.249.33.120.513.226.04.536.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.0.0.0.0.0.0.60.31.41.40.0.0.0.1.31.20.90.30.0.0.40.41.61.20.0.1.11.11.60.80.0.0.0.0.80.80.0.0.40.30.0.1.30.51.00.42.72.70.30.30.70.1
1 à 4023.02.612.36.617.86.210.61.112.03.415.52.612.512.417.74.411.91.212.82.512.32.24.41.616.47.09.42.813.42.127.55.716.53.111.62.624.03.631.42.011.63.811.21.410.01.321.17.818.62.214.90.5
41 à 8022.52.619.27.818.15.212.41.113.83.717.82.70.0.15.34.35.30.818.32.922.22.910.82.625.87.713.03.414.52.225.15.724.53.316.83.314.03.518.21.723.25.118.01.89.31.321.17.723.92.814.90.5
81 à 12031.72.932.39.330.27.425.71.534.55.118.22.80.0.17.64.37.61.032.03.528.63.118.53.221.17.514.23.717.72.316.04.527.13.415.33.128.94.57.51.221.35.017.71.811.41.412.25.727.62.818.70.5
121 à 1604.21.37.05.03.23.28.91.015.53.811.22.212.512.49.53.513.71.211.02.35.01.58.12.30.0.7.32.77.41.76.53.23.71.514.73.15.62.37.11.111.53.99.31.47.81.110.74.33.71.28.70.4
plus de 1600.40.40.0.0.0.3.80.70.0.1.80.912.512.415.24.314.61.31.20.80.0.1.41.00.0.3.31.92.81.01.51.50.0.6.42.10.0.4.20.96.93.07.31.211.91.43.23.21.10.75.60.3
peuplement inéquien18.12.529.29.130.87.337.91.722.84.335.53.562.518.223.55.045.91.824.83.231.53.255.14.036.78.851.85.242.63.123.45.628.23.634.44.027.54.431.22.025.65.235.22.248.62.229.08.724.72.836.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793906/260238
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN1
état1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.0.0.0.0.0.17.14.09.18.67.85.30.0.20.69.217.74.80.0.5.04.942.515.743.919.116.310.622.17.40.0.0.0.8.35.70.0.7.54.10.0.25.17.216.34.333.027.14.64.514.11.5
1 à 404.74.60.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.60.0.0.0.0.0.0.0.0.0.3.13.00.0.0.0.0.0.0.0.2.52.50.0.0.0.1.31.30.0.0.0.0.90.4
41 à 800.0.0.0.0.0.3.52.00.0.0.0.0.0.0.0.0.0.0.0.4.94.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.94.40.0.2.52.50.0.0.0.0.0.1.40.5
81 à 1209.46.40.0.0.0.2.21.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.36.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.4
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.60.0.0.0.0.0.0.0.0.0.0.0.0.0.16.314.90.0.0.0.2.52.50.0.0.0.0.0.0.0.5.25.10.80.4
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.2
peuplement inéquien85.87.6100.0.100.0.77.14.590.98.692.25.3100.0.79.49.277.55.3100.0.90.16.757.515.756.119.177.411.774.87.7100.0.83.714.991.75.7100.0.79.66.4100.0.72.37.582.44.467.027.190.26.681.91.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4034.99.424.422.20.0.23.84.10.0.3.63.5..52.213.019.93.634.827.921.99.651.835.30.0.0.0.35.97.248.225.226.911.69.76.581.616.460.28.324.912.430.56.231.85.437.020.532.210.127.31.7
41 à 8011.26.10.0.0.0.19.53.80.0.42.79.8..12.98.610.32.765.227.920.89.30.0.19.818.027.211.313.15.025.922.413.79.015.68.30.0.14.25.915.610.219.75.312.33.80.0.19.78.916.21.5
81 à 12034.39.337.830.1100.0.17.53.758.722.13.83.7..6.86.56.42.20.0.30.810.50.0.21.518.86.66.410.74.60.0.34.312.515.08.00.0.5.73.938.613.612.44.415.74.20.0.0.0.13.81.4
121 à 1604.14.00.0.0.0.3.71.841.322.18.15.5..15.09.712.83.00.0.0.0.0.0.0.0.18.39.50.0.0.0.0.0.15.38.10.0.2.82.80.0.9.03.82.61.80.0.16.08.46.91.0
plus de 1600.0.0.0.0.0.6.22.30.0.0.0...6.86.54.91.90.0.0.0.0.0.38.821.916.79.00.0.0.0.0.0.19.89.00.0.0.0.0.0.9.03.85.42.60.0.4.44.35.00.9
peuplement inéquien15.47.137.830.10.0.29.34.40.0.41.99.7..6.46.245.74.50.0.26.610.248.235.319.818.031.110.940.37.425.922.425.111.024.79.618.416.417.16.420.910.919.45.332.25.463.020.527.79.730.81.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
1 à 4030.12.921.17.930.510.112.21.117.64.322.33.123.512.020.25.015.11.326.04.011.82.112.84.025.98.010.33.015.22.232.56.622.93.012.83.033.24.538.52.212.73.614.81.913.21.815.96.619.82.418.90.5
41 à 8024.42.719.97.315.87.114.71.216.84.418.13.07.87.621.85.25.90.922.33.832.73.014.54.228.88.314.93.718.12.422.46.026.33.120.63.815.03.516.31.724.84.721.82.211.71.721.07.127.12.917.30.5
81 à 12027.72.824.37.514.47.826.91.638.75.719.53.10.0.21.45.17.81.024.23.931.32.930.35.69.75.414.93.719.22.320.45.826.43.222.03.826.34.35.81.110.13.219.62.111.61.718.67.028.82.919.00.5
121 à 1604.31.316.57.10.0.9.21.010.63.512.02.50.0.15.54.615.21.36.12.22.61.03.12.20.0.5.12.25.41.47.83.73.21.312.03.00.90.99.01.314.33.97.91.410.81.79.04.71.60.88.70.4
plus de 1600.80.60.0.0.0.3.50.60.0.3.81.50.0.9.13.512.11.20.90.90.0.3.02.19.85.43.92.02.30.90.0.0.0.1.71.20.0.4.81.09.93.23.71.010.21.60.0.0.40.44.70.3
peuplement inéquien12.82.118.27.539.310.533.51.716.24.324.33.368.713.212.04.043.71.820.63.721.62.736.35.825.88.050.95.139.83.016.95.521.23.030.94.224.64.325.72.028.24.932.12.542.52.635.48.422.32.731.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4012.82.418.49.711.84.57.91.115.53.412.82.523.111.92.02.06.91.15.31.610.42.42.01.06.74.69.33.76.81.919.04.99.52.915.13.612.23.124.91.96.44.411.81.56.71.15.45.313.92.310.80.4
41 à 8025.43.15.25.116.25.08.81.121.24.014.62.67.77.511.34.84.90.913.72.518.43.19.62.018.46.29.13.99.72.228.25.722.74.113.03.516.63.819.51.88.74.713.81.69.01.224.410.825.03.013.40.5
81 à 12040.03.437.811.228.76.426.71.826.04.325.33.30.0.25.86.48.81.243.93.531.43.813.92.425.88.010.94.330.63.514.64.539.74.919.44.132.34.811.01.419.87.917.41.712.21.423.010.329.93.221.20.6
121 à 1605.11.626.210.22.42.312.91.321.34.010.42.37.77.58.24.014.41.517.82.75.91.98.11.90.0.18.75.314.02.79.83.85.02.216.63.89.93.05.71.014.16.610.91.410.01.312.07.63.81.310.70.4
plus de 1600.50.50.0.0.0.6.41.00.0.1.50.97.77.518.55.617.81.61.10.80.0.1.00.70.0.7.53.75.61.81.61.60.0.10.23.10.0.3.80.816.66.99.11.314.41.55.45.31.40.87.00.4
peuplement inéquien16.22.612.38.241.06.937.31.916.03.635.33.653.814.134.27.047.32.118.22.733.93.965.43.349.28.744.66.833.43.626.85.723.14.325.74.428.94.635.12.134.59.237.12.247.72.229.811.426.13.136.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.0.0.0.0.0.0.90.20.50.50.50.30.0.2.71.30.80.20.0.0.20.21.50.74.32.41.10.71.40.50.0.0.0.0.80.60.0.0.30.20.0.1.00.31.20.31.71.70.20.20.70.1
1 à 4022.31.819.15.516.24.210.70.815.02.415.41.822.48.215.03.011.90.812.81.811.21.54.81.213.64.18.42.013.51.524.43.718.22.212.12.023.62.731.41.411.72.813.61.110.41.014.04.717.01.515.00.3
41 à 8023.01.912.74.514.93.712.20.817.82.717.01.97.55.214.73.05.60.616.72.025.82.110.41.821.04.513.22.513.71.524.13.923.92.415.42.214.82.417.41.219.03.416.81.29.50.918.95.124.81.914.70.3
81 à 12032.22.027.95.823.54.824.91.130.13.319.92.00.0.18.63.27.80.734.82.529.92.217.22.316.24.412.32.520.91.715.53.330.42.618.32.427.43.08.00.814.03.017.21.211.41.017.25.026.92.018.70.4
121 à 1604.40.917.45.11.51.59.80.716.52.710.31.53.73.711.12.714.10.912.81.83.50.96.61.50.0.10.22.37.41.28.12.53.91.112.72.14.91.57.00.812.02.99.20.99.00.98.63.23.30.89.00.3
plus de 1600.60.40.0.0.0.4.60.50.0.2.30.83.73.710.72.513.30.91.00.60.0.1.50.76.72.95.91.83.00.80.80.80.0.6.01.50.0.4.00.69.72.56.60.811.31.01.51.51.00.45.50.2
peuplement inéquien17.51.722.95.943.95.737.01.220.12.834.72.462.79.527.33.746.61.322.02.229.32.258.12.938.15.648.93.740.02.227.24.123.52.434.62.929.33.131.81.433.64.035.51.647.21.638.06.526.92.036.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793907/260239
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)100.0...100.0.100.0.......100.0.100.0...100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0.100.0.100.0.....100.0.
1 à 400.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
41 à 800.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
81 à 1200.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
121 à 1600.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
plus de 1600.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
peuplement inéquien0.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
total100.0...100.0.100.0.......100.0.100.0...100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0.100.0.100.0.....100.0.
critique0 (sans boisement)0.0...0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4045.116.7..0.0.16.55.30.0.17.59.3..21.313.431.45.622.620.19.95.329.925.70.0.0.0.12.18.10.0.0.0.28.511.878.719.750.68.333.710.319.48.825.56.30.0.13.012.325.02.2
41 à 800.0...36.426.415.05.20.0.19.710.3..0.0.8.83.451.625.118.37.530.025.841.419.664.332.55.25.10.0.15.614.714.79.50.0.13.45.610.16.824.49.515.75.10.0.0.0.14.11.8
81 à 12044.816.6..42.425.033.76.841.134.231.811.9..28.913.98.93.525.822.346.79.50.0.11.711.50.0.30.710.7100.0.66.520.326.711.621.319.79.05.019.79.025.09.710.14.3100.0.46.619.023.42.2
121 à 16010.09.6..0.0.26.56.30.0.0.0...9.49.016.44.50.0.14.86.940.129.40.0.0.0.22.410.00.0.17.916.515.39.90.0.5.53.814.88.05.45.210.04.30.0.11.611.113.31.8
plus de 1600.0...0.0.2.22.10.0.0.0...40.415.631.65.70.0.0.0.0.0.0.0.35.732.510.47.00.0.0.0.15.09.80.0.7.74.321.69.510.36.918.15.50.0.0.0.13.01.7
peuplement inéquien0.0...21.219.86.13.458.934.231.011.8..0.0.2.92.00.0.10.35.60.0.46.919.80.0.19.29.80.0.0.0.0.0.0.0.13.85.80.0.15.58.220.75.80.0.28.817.211.21.7
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4029.44.79.86.63.83.714.01.822.09.618.83.90.0.24.86.812.81.823.24.913.93.27.44.110.410.017.94.520.93.640.712.023.95.913.74.937.16.833.73.13.43.413.52.520.12.641.216.721.04.018.90.8
41 à 8022.04.528.09.624.29.715.31.90.0.22.04.2100.0.13.15.69.11.629.75.514.23.316.15.610.410.022.75.622.23.731.511.919.85.320.65.819.96.525.32.927.18.421.63.012.82.20.0.16.83.917.80.8
81 à 12036.04.926.17.745.511.235.12.542.311.736.64.80.0.12.65.312.11.828.55.451.14.728.97.335.715.124.15.628.54.027.810.142.36.624.96.236.57.57.71.810.85.929.33.412.02.120.613.845.65.026.00.9
121 à 16010.23.213.37.410.27.216.92.020.99.410.63.10.0.16.26.120.62.210.03.613.13.234.07.743.515.56.93.35.72.10.0.12.34.217.35.36.53.97.91.816.26.816.72.813.32.28.07.910.93.314.10.7
plus de 1601.21.20.0.3.73.74.51.110.47.10.0.0.0.11.35.330.62.50.0.0.80.82.52.40.0.18.65.24.01.80.0.0.0.13.64.90.0.5.31.529.48.47.52.019.02.59.69.00.0.9.80.6
peuplement inéquien1.21.222.99.012.66.914.21.84.54.411.93.10.0.22.06.514.81.98.53.37.02.411.24.70.0.9.83.918.73.50.0.1.61.610.04.30.0.20.12.713.16.111.52.422.82.820.613.85.72.313.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4019.83.40.0.27.811.910.01.59.03.518.74.514.314.020.69.214.62.08.72.922.35.77.02.517.210.918.27.612.73.421.26.312.03.511.84.215.44.022.02.736.913.313.52.211.92.236.311.222.93.314.90.7
41 à 8029.23.924.621.113.89.614.61.820.74.817.14.457.119.813.77.55.01.227.54.621.75.84.31.829.413.16.34.520.64.326.36.924.44.419.05.229.26.023.32.86.86.616.92.414.62.418.210.016.03.117.20.8
81 à 12036.64.125.122.325.49.527.22.344.26.133.05.40.0.10.47.110.91.829.94.833.06.531.04.827.212.621.97.937.25.042.47.633.34.725.35.834.76.312.12.214.99.925.92.815.92.534.611.743.74.025.80.9
121 à 1609.42.50.0.5.15.019.62.019.74.814.03.70.0.19.68.918.42.214.93.61.91.930.64.80.0.4.14.017.74.110.14.923.34.417.05.011.04.19.31.90.0.19.32.612.52.30.0.10.42.615.40.7
plus de 1600.70.70.0.0.0.6.51.34.72.70.0.28.618.120.19.127.12.51.11.13.92.73.21.90.0.27.98.82.31.60.0.1.31.36.53.20.0.3.61.213.58.810.72.016.12.50.0.1.30.98.50.6
peuplement inéquien4.31.750.325.427.912.022.12.11.61.617.24.30.0.15.68.324.02.417.93.917.25.324.04.526.213.321.68.09.43.20.0.5.72.320.45.39.73.929.73.027.912.113.72.229.03.110.97.45.72.018.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
1 à 4024.22.68.25.612.15.112.11.111.63.318.72.712.512.422.54.915.11.315.12.715.32.57.52.110.75.517.13.716.42.326.35.415.83.013.93.025.83.529.52.019.84.913.61.616.81.636.08.821.92.417.20.5
41 à 8025.32.827.48.920.26.614.81.315.83.719.82.962.518.211.23.87.10.929.03.516.52.78.02.124.37.918.14.119.52.527.35.922.53.318.23.424.24.223.41.916.64.619.11.813.61.510.96.115.82.417.00.5
81 à 12036.63.125.97.435.67.230.91.643.75.334.83.40.0.13.94.011.01.229.23.544.93.629.44.025.98.022.34.330.92.939.35.937.63.724.13.734.54.69.71.314.04.427.12.113.21.533.49.044.53.025.40.6
121 à 1609.71.911.16.36.94.118.61.419.54.211.22.20.0.15.84.418.91.412.52.510.22.231.43.914.86.55.72.511.32.17.23.519.33.216.13.28.82.88.31.211.63.917.41.812.41.52.82.810.62.014.50.5
plus de 1600.90.60.0.1.91.95.30.85.82.60.0.25.016.217.54.628.71.70.60.61.50.82.91.50.0.21.14.43.81.20.0.0.80.89.92.60.0.4.71.022.65.39.31.417.31.73.33.30.80.59.30.4
peuplement inéquien3.01.127.38.918.36.017.41.33.62.115.52.60.0.16.64.517.51.413.62.610.12.119.73.420.67.712.73.614.62.30.0.4.11.513.03.05.42.223.81.912.24.112.81.624.81.913.76.76.41.615.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793908/260240
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)100.0...100.0.100.0.......100.0.100.0...100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0.100.0.100.0.....100.0.
1 à 400.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
41 à 800.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
81 à 1200.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
121 à 1600.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
plus de 1600.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
peuplement inéquien0.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
total100.0...100.0.100.0.......100.0.100.0...100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0.100.0.100.0.....100.0.
critique0 (sans boisement)0.0...0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4045.116.7..0.0.17.85.40.0.17.59.3..21.313.440.65.522.620.19.55.129.925.70.0.0.0.18.88.60.0.15.214.226.611.278.719.752.97.940.110.218.58.425.56.30.0.11.510.928.12.2
41 à 800.0...36.426.414.45.00.0.19.710.3..0.0.7.42.951.625.117.67.230.025.841.419.664.332.54.54.40.0.13.212.513.78.90.0.14.55.59.16.228.19.815.75.137.428.111.510.914.11.7
81 à 12044.816.6..42.425.032.56.641.134.231.811.9..28.913.97.63.025.822.344.89.40.0.11.711.50.0.26.59.5100.0.56.520.024.911.021.319.78.24.517.88.223.89.310.14.362.628.141.217.621.72.0
121 à 16010.09.6..0.0.27.46.30.0.0.0...9.49.013.93.90.0.18.37.440.129.40.0.0.0.19.48.80.0.15.214.214.39.30.0.5.03.413.47.35.15.010.04.30.0.10.39.812.91.7
plus de 1600.0...0.0.2.12.10.0.0.0...40.415.628.15.10.0.0.0.0.0.0.0.35.732.514.47.80.0.0.0.14.09.30.0.7.03.919.68.89.86.618.15.50.0.0.0.12.61.6
peuplement inéquien0.0...21.219.85.93.358.934.231.011.8..0.0.2.51.70.0.9.95.30.0.46.919.80.0.16.58.60.0.0.0.6.46.20.0.12.55.30.0.14.77.820.75.80.0.25.515.610.71.6
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4029.14.69.86.63.83.714.91.823.09.019.33.90.0.28.26.515.71.922.94.913.53.17.44.110.410.018.54.520.93.540.712.023.25.816.85.137.16.835.53.09.65.313.62.422.32.641.216.720.83.920.10.8
41 à 8022.94.528.09.624.29.715.41.90.0.22.44.2100.0.14.35.58.71.529.35.413.83.216.15.610.410.023.55.521.13.531.511.919.25.119.45.519.96.524.32.726.47.820.92.912.52.10.0.17.64.017.50.8
81 à 12035.64.926.17.745.511.234.32.441.910.836.54.70.0.13.65.211.21.628.15.350.64.628.97.335.715.124.55.626.93.827.810.142.76.523.45.936.57.57.01.712.45.929.43.312.12.120.613.845.25.025.30.9
121 à 16010.03.213.37.410.27.216.21.922.18.910.33.00.0.14.45.419.82.111.33.713.63.234.07.743.515.56.63.25.32.00.0.13.34.216.25.06.53.97.31.714.26.015.72.612.62.18.07.910.83.313.60.7
plus de 1601.21.20.0.3.73.74.81.19.06.20.0.0.0.10.04.729.62.40.0.0.80.82.52.40.0.17.75.06.12.10.0.0.0.12.74.60.0.6.01.525.87.67.01.917.92.49.69.00.0.9.80.6
peuplement inéquien1.11.122.99.012.66.914.41.83.93.911.63.00.0.19.55.915.11.98.43.37.72.511.24.70.0.9.33.719.73.50.0.1.61.611.54.50.0.19.92.511.55.413.42.522.62.720.613.85.72.313.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4021.03.40.0.27.811.910.41.59.03.518.44.325.016.219.78.915.41.99.43.022.15.47.52.521.111.016.97.111.93.021.26.312.83.512.34.117.44.123.62.649.412.015.12.214.02.336.311.222.93.315.90.7
41 à 8027.93.724.621.113.89.614.51.820.74.818.04.350.018.713.17.25.51.226.44.523.45.74.01.723.610.85.94.121.14.026.36.924.24.417.34.728.55.922.82.75.45.316.32.314.32.318.210.016.23.016.80.7
81 à 12036.54.025.122.325.49.526.72.244.26.131.55.10.0.10.06.89.81.628.74.631.96.231.34.721.910.820.37.437.64.742.47.633.04.727.55.733.96.210.92.011.98.125.42.715.02.334.611.744.04.024.90.8
121 à 1609.02.40.0.5.15.019.42.019.74.812.93.50.0.18.78.618.12.016.23.71.71.730.44.60.0.3.83.716.33.710.14.923.14.415.54.610.84.09.51.80.0.19.32.511.92.10.0.10.12.615.10.7
plus de 1600.70.70.0.0.0.6.71.24.72.70.0.25.016.219.28.725.52.31.01.03.52.43.11.80.0.33.08.83.11.70.0.1.31.25.92.90.0.4.01.210.97.210.21.916.02.40.0.1.30.98.50.5
peuplement inéquien4.81.850.325.427.912.022.32.11.61.619.24.30.0.19.38.825.82.318.23.917.45.023.64.333.512.720.17.510.13.00.0.5.62.321.55.19.53.829.32.922.410.113.82.128.83.010.97.45.51.918.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
1 à 4024.82.68.25.612.15.112.81.112.13.318.82.722.214.724.34.817.71.315.32.715.12.47.92.113.16.017.23.616.62.226.35.416.63.015.13.026.83.531.11.927.74.914.61.618.61.734.88.521.82.418.40.5
41 à 8025.02.827.48.920.26.614.81.215.33.620.32.955.617.611.83.87.00.928.23.416.82.67.72.022.17.218.44.119.12.427.35.922.03.216.93.223.94.222.81.815.64.218.61.813.31.513.86.516.62.416.70.5
81 à 12036.43.025.97.435.67.230.21.643.65.234.03.30.0.14.23.910.01.028.43.443.93.529.73.923.57.522.14.230.02.739.35.937.43.724.43.634.14.68.81.213.54.126.82.013.01.432.38.944.43.024.60.5
121 à 1609.41.911.16.36.94.118.21.319.84.210.72.10.0.14.64.118.11.313.82.610.82.231.33.913.55.95.42.410.51.97.23.519.33.115.03.08.72.88.11.210.13.417.11.711.81.42.72.710.42.014.10.5
plus de 1600.80.60.0.1.91.95.50.85.62.50.0.22.214.716.24.327.11.50.60.61.40.82.81.40.0.22.14.35.41.40.0.0.80.89.22.50.0.5.10.919.74.68.81.316.71.63.23.20.70.59.30.4
peuplement inéquien3.31.227.38.918.36.017.51.33.52.016.22.60.0.16.54.318.31.313.82.610.62.119.63.324.57.812.03.415.02.20.0.4.01.515.03.05.42.223.61.810.63.613.61.624.71.913.26.56.21.515.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793909/260241
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN2
état1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)100.0...100.0.100.0.......100.0.100.0...100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0.100.0.100.0.....100.0.
1 à 400.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
41 à 800.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
81 à 1200.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
121 à 1600.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
plus de 1600.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
peuplement inéquien0.0...0.0.0.0.......0.0.0.0...0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.....0.0.
total100.0...100.0.100.0.......100.0.100.0...100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0.100.0.100.0.....100.0.
critique0 (sans boisement)0.0...0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4044.416.7..0.0.17.14.90.0.20.89.4..22.614.038.85.022.219.97.84.331.726.50.0.0.0.17.58.00.0.16.014.923.010.080.318.651.97.834.69.116.97.824.45.60.0.11.811.226.72.1
41 à 800.0...38.327.015.94.80.0.23.210.2..0.0.9.53.051.825.118.67.030.926.245.616.274.923.19.06.10.0.13.112.411.77.70.0.14.05.37.65.226.29.215.04.639.828.911.811.215.11.7
81 à 12045.016.7..41.224.934.76.338.333.428.210.8..27.913.67.62.825.922.346.28.80.0.21.213.90.0.24.18.7100.0.54.920.228.510.919.718.68.04.518.97.626.29.210.13.960.228.941.417.622.01.9
121 à 16010.610.0..0.0.25.45.70.0.0.0...10.09.514.03.60.0.19.27.137.428.70.0.0.0.22.58.90.0.16.014.918.79.70.0.4.73.311.46.38.35.78.33.60.0.10.610.113.01.6
plus de 1600.0...0.0.1.81.80.0.0.0...39.515.628.14.70.0.0.0.0.0.0.0.25.123.112.56.80.0.0.0.12.48.30.0.6.83.823.88.38.96.020.15.20.0.0.0.13.01.6
peuplement inéquien0.0...20.619.45.12.961.733.427.810.8..0.0.2.11.50.0.8.24.50.0.33.215.90.0.14.47.70.0.0.0.5.65.40.0.14.55.53.73.613.47.222.05.40.0.24.415.110.41.4
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4031.54.514.36.85.83.815.61.723.88.520.13.70.0.32.36.315.11.720.14.413.62.96.93.818.811.919.94.419.63.240.010.426.25.416.24.736.66.635.82.814.05.615.32.421.82.532.714.320.03.720.40.7
41 à 8024.44.421.87.924.99.015.51.84.24.122.43.9100.0.14.45.19.21.427.75.014.13.015.65.49.49.122.15.021.63.438.110.816.04.418.25.021.26.625.22.622.86.921.22.712.22.010.19.818.33.817.60.7
81 à 12033.14.626.57.645.210.033.92.339.19.935.64.40.0.11.74.611.61.627.84.948.24.330.47.032.214.025.95.225.83.521.88.242.56.020.75.336.07.57.41.613.15.528.33.012.02.026.413.743.34.724.80.8
121 à 1609.02.910.66.08.36.016.11.822.18.19.92.80.0.16.15.220.42.012.33.614.93.133.97.339.614.57.23.16.82.10.0.13.94.017.54.96.33.86.61.512.35.216.72.513.12.06.26.211.23.113.80.6
plus de 1601.01.00.0.2.92.95.31.17.55.20.0.0.0.9.14.329.02.22.41.71.30.92.32.30.0.16.94.65.51.90.0.0.0.17.44.80.0.5.81.422.46.66.01.617.42.38.27.80.0.9.80.5
peuplement inéquien1.01.026.88.612.96.113.61.73.33.311.92.90.0.16.45.114.71.79.73.38.02.310.94.60.0.8.03.220.73.40.0.1.41.410.03.90.0.19.22.415.45.812.52.223.52.616.311.37.22.513.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4021.23.30.0.26.911.610.51.49.73.517.34.030.015.022.18.615.91.88.92.822.35.17.32.319.610.417.26.612.52.922.26.214.63.515.14.218.33.822.92.539.110.114.72.114.72.234.510.122.53.116.10.7
41 à 8026.63.528.023.013.49.415.21.719.74.419.44.240.016.110.75.95.81.225.64.323.05.43.71.621.810.28.64.921.73.725.26.723.14.117.94.526.45.622.92.58.45.615.72.113.92.121.09.615.22.816.60.7
81 à 12038.73.924.021.523.49.125.82.143.95.829.14.70.0.11.96.610.21.530.54.532.75.932.44.420.610.322.27.237.44.343.17.431.74.424.25.134.86.011.31.913.87.424.92.513.92.130.910.545.23.624.90.8
121 à 1608.32.20.0.4.74.619.61.920.94.812.93.410.09.815.37.217.91.915.03.41.61.631.54.30.0.3.13.015.53.39.54.624.34.214.54.111.84.29.31.70.0.18.42.212.72.00.0.10.52.415.10.6
plus de 1600.70.70.0.0.0.6.51.24.52.61.91.320.013.119.58.024.92.21.01.05.22.92.61.50.0.30.98.02.71.50.0.1.11.15.12.50.0.4.21.28.45.611.31.915.42.20.0.1.81.08.50.5
peuplement inéquien4.51.748.025.231.612.122.42.01.41.419.44.10.0.20.68.325.32.219.03.815.24.522.53.937.912.518.16.810.32.80.0.5.22.123.24.98.73.629.32.730.29.714.92.129.42.813.77.64.81.718.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
1 à 4025.82.612.46.012.24.713.11.113.03.319.02.527.313.927.04.617.61.214.02.515.02.37.61.913.85.518.13.415.82.027.75.019.03.015.92.826.93.330.71.825.84.414.91.518.61.531.37.721.22.318.50.5
41 à 8024.82.622.67.621.06.315.21.215.43.421.22.745.515.611.23.47.60.927.03.217.02.57.21.922.36.418.93.819.72.329.15.720.12.916.62.923.34.123.21.714.03.618.31.613.01.318.56.816.32.216.70.5
81 à 12036.72.926.17.235.56.729.81.542.64.932.33.10.0.13.03.410.41.029.23.343.03.231.03.722.96.823.53.929.12.537.05.436.53.522.43.334.34.59.21.214.43.726.21.812.41.331.58.244.42.824.30.5
121 à 1608.61.79.25.26.13.718.21.320.74.010.52.09.19.014.53.718.31.313.52.411.72.131.93.611.45.15.62.211.21.86.33.120.13.015.62.99.22.87.71.18.52.817.21.612.21.32.22.210.71.914.20.4
plus de 1600.80.60.0.1.61.65.60.75.12.30.80.618.212.115.03.926.71.41.60.92.11.02.51.20.0.20.83.94.71.20.0.0.70.710.52.40.0.5.10.918.43.99.01.216.51.52.92.91.00.69.30.3
peuplement inéquien3.01.129.68.219.25.617.21.23.21.916.32.40.0.15.13.817.81.214.62.59.91.918.93.123.77.010.63.015.22.10.0.3.61.315.22.85.02.123.51.715.43.813.81.525.51.813.66.06.31.415.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793910/260242
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)17.811.5..0.0.23.87.80.0.13.612.5..14.113.123.87.80.0.8.55.60.0.23.014.30.0.17.88.10.0.0.0.44.519.135.419.910.49.933.327.612.16.511.16.10.0.5.45.314.22.1
1 à 409.48.9..0.0.13.96.433.818.50.0...0.0.23.37.761.613.620.08.149.935.412.712.336.517.018.18.250.035.957.714.014.613.419.212.620.413.066.727.614.86.825.58.361.233.620.78.523.22.5
41 à 8017.611.4..0.0.6.24.333.119.132.916.0..28.917.312.96.115.710.333.99.70.0.38.918.10.0.11.56.30.0.0.0.16.014.727.718.00.0.0.0.30.99.117.07.038.833.64.24.116.62.2
81 à 12026.913.4..0.0.19.47.116.515.242.516.7..0.0.13.16.17.67.321.98.50.0.25.415.812.912.240.110.30.0.29.112.812.411.80.0.0.0.0.0.26.98.87.75.20.0.31.310.019.62.3
121 à 16018.711.9..100.0.13.66.30.0.11.010.4..28.917.310.55.715.29.911.96.50.0.0.0.0.0.7.85.30.0.13.38.90.0.0.0.14.112.90.0.11.66.313.66.40.0.13.07.111.01.8
plus de 1600.0...0.0.3.13.00.0.0.0...0.0.6.64.50.0.0.0.0.0.0.0.12.912.20.0.0.0.0.0.12.411.80.0.24.515.10.0.0.0.10.35.60.0.0.0.3.41.1
peuplement inéquien9.59.0..0.0.20.07.316.515.20.0...28.116.89.75.30.0.3.93.850.135.40.0.37.617.44.64.550.035.90.0.0.0.17.716.430.715.10.0.3.73.614.86.80.0.25.49.711.91.9
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)1.11.10.0.0.0.2.90.92.52.53.82.2..2.52.43.21.22.12.15.12.50.0.0.0.3.43.31.81.75.95.83.03.00.0.3.33.21.60.90.0.2.21.32.71.331.327.21.31.32.50.4
1 à 4031.64.80.0.13.48.417.42.18.44.722.64.8..10.55.011.32.117.45.514.33.812.85.913.18.49.55.428.05.829.610.922.86.69.94.133.26.325.73.313.96.613.72.922.43.30.0.25.94.118.90.9
41 à 8019.34.20.0.20.212.98.21.514.56.120.54.3..28.27.613.22.219.25.811.33.66.94.742.512.16.44.613.24.439.211.812.95.19.33.917.96.026.73.37.65.211.42.715.52.837.428.124.34.515.60.8
81 à 12028.94.8100.0.37.414.120.52.248.68.728.55.0..24.57.216.02.437.97.151.05.540.79.638.210.67.24.929.45.714.57.542.07.631.26.526.37.15.71.817.97.427.53.711.22.531.327.233.54.923.71.0
121 à 1607.72.80.0.11.210.718.92.212.05.78.83.0..10.65.117.92.517.15.55.92.619.57.96.26.117.37.214.14.45.95.817.36.023.06.010.65.06.71.918.27.520.33.414.42.80.0.9.33.114.20.8
plus de 1600.0.0.0.0.0.8.01.53.23.22.21.5..8.14.615.72.44.23.01.21.26.94.70.0.16.46.94.72.74.84.70.0.22.95.90.0.9.52.320.97.55.21.914.82.80.0.0.0.8.00.6
peuplement inéquien11.33.40.0.17.812.124.22.410.85.213.64.0..15.66.022.72.82.12.111.23.513.37.20.0.39.88.98.93.80.0.1.91.93.82.68.84.824.13.321.67.919.83.419.03.10.0.5.82.517.10.9
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.70.70.0.0.0.2.50.73.62.46.82.50.0.0.0.1.50.61.01.02.21.50.0.0.0.10.94.22.01.20.0.0.0.6.02.94.53.00.0.5.03.41.80.80.70.53.33.21.51.11.80.2
1 à 4028.53.58.45.816.46.613.61.617.14.920.84.00.0.31.98.89.11.311.32.919.94.07.22.467.220.08.33.712.52.617.56.119.23.819.24.724.24.912.91.913.75.813.32.09.91.716.97.827.93.714.40.6
41 à 8023.33.612.56.615.57.29.51.415.85.221.14.075.016.215.47.29.91.414.13.415.33.86.52.516.415.71.91.912.22.629.47.622.24.115.94.411.74.030.62.615.16.313.32.012.91.926.69.617.03.315.40.6
81 à 12026.03.727.29.128.57.726.52.143.06.516.73.625.016.219.07.513.31.638.54.626.24.524.84.20.0.6.43.629.13.643.78.139.94.824.75.235.76.112.91.920.06.725.82.613.11.941.09.739.24.223.10.7
121 à 16011.12.734.49.724.27.817.01.810.54.613.73.30.0.12.06.519.11.820.43.916.53.914.93.416.415.719.85.127.03.57.13.912.23.117.64.416.15.07.61.511.35.321.52.518.32.18.46.08.42.516.30.6
plus de 1601.41.017.57.14.64.58.01.30.0.1.11.10.0.4.34.220.31.85.52.20.0.4.02.00.0.24.15.94.61.72.42.41.21.29.53.41.31.35.81.311.65.68.11.616.52.10.0.0.70.78.70.5
peuplement inéquien9.12.50.0.10.96.222.82.010.04.419.73.90.0.17.47.126.82.09.32.820.04.242.54.80.0.28.75.712.72.70.0.5.32.37.03.16.63.330.22.623.47.316.22.228.72.53.93.95.32.020.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)1.60.80.0.0.0.3.50.62.91.55.81.60.0.2.61.83.00.61.20.94.11.40.0.6.44.57.42.73.41.21.91.90.80.85.72.06.22.20.80.44.02.22.50.71.90.65.53.71.80.92.70.2
1 à 4028.82.68.25.615.24.815.11.214.73.220.62.80.0.17.74.310.41.116.92.717.62.58.92.321.07.511.33.316.92.422.55.223.33.215.33.127.33.317.51.715.94.313.51.614.71.618.57.526.52.516.40.5
41 à 8021.52.712.16.416.56.18.91.016.33.921.42.875.016.223.35.111.01.115.62.815.82.66.52.237.69.13.21.912.42.131.46.218.03.013.32.915.13.528.62.011.34.113.71.613.91.528.48.918.62.515.50.5
81 à 12027.12.829.39.130.56.423.81.543.74.922.93.025.016.220.24.714.11.335.93.635.93.327.63.929.07.87.32.830.22.932.85.839.63.826.63.829.64.210.21.418.34.826.42.012.21.537.28.836.32.923.10.6
121 à 16010.22.033.49.422.06.517.61.310.53.411.52.20.0.12.84.018.41.419.03.011.62.315.63.16.04.317.13.722.02.66.53.213.62.718.83.412.93.47.41.213.84.320.51.916.81.67.15.19.21.915.30.5
plus de 1600.80.617.07.03.23.27.80.91.31.31.50.90.0.5.92.918.31.44.71.60.50.54.51.80.0.20.54.34.21.33.12.10.80.815.03.10.70.77.41.215.14.46.71.215.61.60.0.0.40.48.20.4
peuplement inéquien9.92.00.0.12.65.523.31.510.73.316.22.70.0.17.54.424.81.66.61.914.42.536.94.20.0.33.24.610.92.01.91.94.01.65.42.08.22.828.12.021.75.116.61.824.91.93.33.37.31.718.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793911/260243
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)20.718.40.0.0.0.6.24.2..0.0...0.0.8.64.10.0.13.89.0..26.923.60.0.10.59.90.0.0.0.24.512.40.0.0.0.0.0.0.0.6.73.80.0.11.110.47.01.6
1 à 4018.717.10.0.0.0.27.07.7..21.418.6..23.220.827.36.532.919.220.110.3..73.123.60.0.44.015.2100.0.0.0.35.714.169.019.423.76.957.418.843.313.329.96.70.0.70.714.332.22.9
41 à 8039.822.0100.0.0.0.15.16.2..0.0...23.220.829.56.616.515.215.19.9..0.0.0.0.8.17.80.0.0.0.16.110.731.019.445.28.40.0.6.96.623.56.20.0.7.77.521.92.5
81 à 1200.0.0.0.100.0.15.46.3..36.020.5..0.0.11.24.716.515.213.38.7..0.0.0.0.7.97.60.0.0.0.9.59.00.0.3.02.90.0.14.29.34.32.9100.0.0.0.9.11.8
121 à 1600.0.0.0.0.0.8.94.9..14.713.8..23.921.010.64.50.0.23.011.6..0.0.0.0.0.0.0.0.0.0.14.29.30.0.2.72.615.113.86.46.214.45.00.0.0.0.9.01.7
plus de 1600.0.0.0.0.0.0.0...0.0...29.624.02.22.20.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.14.413.37.57.26.23.50.0.0.0.2.61.0
peuplement inéquien20.718.40.0.0.0.27.47.8..28.017.5..0.0.10.74.534.119.514.89.8..0.0.100.0.29.514.20.0.100.0.0.0.0.0.25.57.413.112.421.811.114.95.20.0.10.59.818.12.4
total100.0.100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.2.30.80.0.1.01.00.0.0.0.1.70.80.0.0.0.0.0.0.0.0.0.1.51.10.0.0.0.1.31.30.0.0.70.50.0.0.60.61.40.85.85.70.0.1.00.2
1 à 4036.74.218.411.822.28.517.21.937.27.328.94.60.0.26.36.712.61.920.84.625.44.525.96.617.89.318.35.223.73.645.813.127.75.921.65.032.96.511.61.916.26.121.53.013.82.332.311.737.34.720.40.8
41 à 8017.13.718.211.736.411.813.71.810.04.724.74.350.037.513.15.515.02.017.84.512.13.611.24.830.911.44.12.313.93.134.012.623.25.819.95.116.65.236.72.821.57.016.02.818.92.66.96.818.04.018.90.8
81 à 12025.34.029.212.422.210.219.12.038.98.125.64.450.037.59.24.312.31.925.75.121.44.617.06.021.49.912.74.922.43.57.67.425.45.523.85.428.36.88.21.70.0.13.22.69.41.929.912.428.04.617.20.8
121 à 1609.52.825.013.112.26.415.11.99.05.05.72.30.0.22.96.719.12.29.83.514.63.815.45.810.77.527.46.415.13.20.0.13.54.818.34.75.23.58.01.68.64.716.22.814.42.30.0.7.62.813.50.7
plus de 1602.81.60.0.0.0.6.51.30.0.0.0.0.0.4.63.213.61.92.71.91.11.12.32.36.46.310.14.41.51.06.36.10.0.4.92.80.0.6.31.411.35.411.32.415.52.30.0.0.0.6.80.5
peuplement inéquien8.62.79.28.97.06.926.12.35.03.414.13.50.0.23.96.725.62.523.25.025.34.828.27.012.78.427.46.422.03.66.36.110.14.010.34.017.05.728.62.742.48.521.13.126.72.925.212.49.13.122.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.70.78.07.70.0.2.50.80.0.7.12.816.716.10.0.3.00.90.0.2.01.40.0.0.0.10.44.92.91.60.0.0.0.1.91.90.0.0.50.50.0.1.20.73.51.20.0.0.0.2.00.3
1 à 4026.23.60.0.13.27.218.01.810.84.019.14.10.0.10.55.77.81.48.12.821.73.82.81.60.0.12.15.012.83.312.85.214.13.45.43.128.04.96.41.97.24.914.02.16.01.627.312.318.92.913.00.6
41 à 8027.23.98.07.70.0.12.71.627.35.820.44.250.021.614.16.69.01.518.24.113.63.46.52.731.515.114.25.98.12.730.97.218.24.08.93.912.24.124.73.326.09.114.82.113.42.224.912.419.13.315.40.7
81 à 12031.04.041.113.560.29.521.62.027.86.225.74.433.320.419.77.913.21.729.84.724.14.015.93.736.415.12.82.833.74.636.77.533.74.631.86.234.56.210.12.318.28.220.12.49.11.913.78.944.24.122.30.8
121 à 1607.42.413.79.59.66.814.11.719.65.57.32.70.0.7.14.916.71.915.73.912.73.324.54.40.0.16.45.715.83.517.65.718.53.824.75.815.34.97.32.08.15.614.72.28.51.812.68.78.82.513.50.7
plus de 1600.0.5.85.70.0.4.81.00.0.3.81.80.0.17.97.719.22.00.0.1.01.04.72.00.0.5.43.87.52.62.12.13.31.910.64.20.0.13.72.616.27.48.91.813.62.20.0.0.0.7.80.5
peuplement inéquien7.42.423.511.616.98.626.22.114.64.916.64.00.0.30.69.231.12.328.24.824.94.245.44.932.115.838.77.919.14.00.0.12.23.416.75.110.13.737.23.724.28.826.32.745.83.321.611.79.12.425.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.80.64.14.10.0.2.60.50.0.3.81.412.512.40.0.2.80.60.0.2.01.00.0.3.83.74.42.12.51.00.0.0.0.3.71.60.0.0.60.30.0.0.90.52.90.82.82.80.50.51.80.2
1 à 4030.82.48.25.617.15.118.01.220.93.224.12.90.0.20.34.611.01.114.52.523.12.59.62.220.17.015.23.420.02.422.55.219.12.916.13.131.93.310.61.417.14.317.81.711.71.428.57.828.12.317.20.5
41 à 8022.92.716.37.416.56.113.31.220.64.021.92.950.018.714.14.212.81.217.93.013.12.47.92.426.88.58.32.911.22.031.16.220.03.314.93.114.93.133.12.121.05.115.01.616.81.715.37.218.22.417.30.5
81 à 12027.82.634.18.843.76.920.21.432.04.926.03.037.518.212.63.912.71.227.63.322.22.816.23.123.07.38.23.026.52.728.86.030.43.425.83.730.34.28.51.36.73.217.31.78.81.225.18.136.12.819.40.5
121 à 1608.21.818.27.710.64.714.41.215.53.96.71.70.0.17.14.517.31.412.52.614.32.421.93.56.04.322.04.214.72.213.04.316.53.020.63.410.33.07.41.29.13.515.01.711.71.46.04.37.91.813.30.5
plus de 1601.30.73.03.00.0.5.40.80.0.1.80.90.0.10.93.815.81.31.20.81.00.74.01.63.63.57.82.94.01.23.12.12.11.26.82.20.0.8.41.213.44.09.81.413.81.50.0.0.0.7.10.3
peuplement inéquien8.21.816.27.312.15.526.21.510.93.415.72.60.0.25.05.227.51.626.23.424.33.040.44.116.87.034.15.021.12.71.51.511.92.612.03.012.63.231.32.132.85.924.22.034.42.122.48.39.21.923.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793912/260244
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)16.410.7..0.0.21.66.30.0.9.18.6..10.19.617.05.50.0.9.04.90.0.16.210.70.0.16.57.50.0.0.0.34.216.024.615.06.26.013.512.89.95.49.04.90.0.4.94.812.01.7
1 à 408.98.5..0.0.14.55.533.618.69.18.6..23.414.226.96.457.413.321.07.165.927.827.113.436.817.020.38.159.234.259.513.411.410.730.612.951.313.086.512.813.36.232.68.173.023.820.08.127.72.3
41 à 8016.110.5..0.0.4.63.233.219.242.614.4..22.413.912.24.721.811.224.77.50.0.40.414.50.0.14.56.80.0.0.0.12.211.420.213.40.0.0.0.33.58.717.26.427.023.89.06.116.31.9
81 à 12024.312.3..0.0.18.86.016.615.331.013.2..0.0.12.44.77.06.824.37.50.0.16.310.612.812.137.19.80.0.27.712.221.013.30.0.0.0.0.0.30.18.46.24.20.0.30.09.617.92.0
121 à 16016.910.9..100.0.14.25.40.0.8.37.9..22.413.910.84.613.99.215.06.20.0.0.0.0.0.7.45.00.0.12.98.70.0.0.0.8.88.30.0.10.05.514.46.00.0.12.56.810.51.6
plus de 1600.0...0.0.4.43.10.0.0.0...0.0.6.43.50.0.0.0.0.0.0.0.12.812.10.0.0.0.0.0.9.89.40.0.15.09.80.0.0.0.8.64.70.0.0.0.3.30.9
peuplement inéquien17.311.0..0.0.21.96.416.615.30.0...21.813.714.45.00.0.6.04.134.127.80.0.37.617.44.34.240.834.20.0.11.410.724.615.018.89.90.0.3.33.212.15.70.0.23.69.112.41.7
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)1.01.00.0.0.0.2.40.82.32.24.52.2..2.12.02.40.91.81.85.52.40.0.0.0.5.73.91.31.34.34.32.42.30.0.2.72.71.20.70.0.1.71.02.41.123.821.91.21.22.20.3
1 à 4030.84.437.229.312.98.118.51.913.05.622.84.3..12.84.816.92.120.95.413.73.414.35.923.59.18.54.826.95.034.310.427.26.29.33.931.55.933.03.020.46.415.82.828.63.00.0.25.34.021.80.9
41 à 8020.84.00.0.18.711.97.81.412.85.422.44.2..29.97.012.11.820.25.510.83.39.05.032.110.25.43.913.63.834.110.010.84.38.83.724.96.424.62.77.44.211.62.415.12.428.522.926.54.515.40.8
81 à 12029.04.425.623.141.913.620.32.146.18.228.44.6..22.06.214.82.035.46.449.55.140.98.835.59.46.44.432.25.112.46.542.16.834.26.122.36.24.91.415.45.826.23.39.62.047.725.631.74.822.20.9
121 à 1606.72.40.0.10.19.618.12.012.85.48.82.8..10.74.615.72.116.24.97.52.719.27.08.95.918.26.914.33.84.34.315.85.221.65.511.34.76.01.517.46.119.33.012.42.20.0.9.93.113.50.7
plus de 1600.0.37.229.30.0.7.81.42.82.82.01.4..6.53.715.22.13.62.51.11.05.84.00.0.17.56.43.62.04.14.10.0.22.55.60.0.8.41.814.85.54.81.613.82.30.0.0.0.7.70.6
peuplement inéquien11.83.20.0.16.411.125.02.210.24.911.13.3..16.15.322.92.41.81.811.93.410.85.90.0.38.28.38.03.26.36.11.61.63.52.57.23.922.12.724.66.820.63.118.12.60.0.5.42.417.20.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.60.60.0.0.0.2.80.73.02.08.12.40.0.2.52.51.10.40.90.91.71.20.0.0.0.9.23.61.50.90.0.0.0.5.52.33.92.60.0.5.83.31.70.70.80.43.13.02.11.21.80.2
1 à 4029.53.410.35.617.66.413.41.416.84.717.93.414.210.337.97.813.91.411.42.820.03.67.62.453.221.211.53.913.42.418.06.118.03.318.54.025.14.819.31.916.85.416.51.913.31.714.46.725.83.316.40.6
41 à 8021.43.311.16.012.86.18.81.217.45.121.83.657.215.816.96.49.91.214.43.318.43.65.72.113.412.91.61.610.62.228.77.122.13.615.73.712.03.825.62.115.95.511.81.712.11.626.58.915.42.914.40.5
81 à 12024.43.424.37.827.77.126.71.945.05.815.53.119.112.718.16.312.51.339.04.422.93.826.24.00.0.7.13.428.63.143.98.041.04.326.94.534.45.611.41.615.45.323.12.211.81.637.08.938.23.921.80.6
121 à 16011.92.627.88.120.76.716.11.69.14.014.83.19.59.59.15.017.11.520.93.814.93.312.82.933.320.318.84.626.63.07.03.912.42.917.83.715.84.66.81.28.64.121.42.216.51.811.36.212.82.815.70.6
plus de 1602.01.126.47.63.73.77.81.20.0.0.90.90.0.3.33.218.41.55.02.00.0.4.21.80.0.22.85.25.01.62.32.31.01.08.22.81.21.26.41.28.74.36.81.317.31.94.14.10.60.68.70.4
peuplement inéquien10.12.50.0.17.56.824.41.88.73.921.13.70.0.12.35.227.11.78.52.622.03.843.54.40.0.29.15.314.22.50.0.5.52.27.32.77.53.330.62.228.86.718.72.128.22.23.73.75.21.821.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)1.50.70.0.0.0.3.40.62.61.46.71.60.0.3.01.72.30.51.10.74.21.30.0.4.93.57.32.52.70.91.51.50.60.65.21.75.22.00.60.33.81.92.10.61.80.54.93.32.00.92.50.2
1 à 4029.12.512.65.816.04.915.51.116.23.419.52.514.210.324.04.115.51.117.72.617.72.310.02.328.87.112.63.217.52.125.24.923.52.914.92.728.03.224.81.623.24.216.11.519.31.518.36.625.12.318.90.5
41 à 8020.92.510.25.514.25.38.20.916.53.723.12.757.215.823.94.510.71.016.72.716.32.46.21.931.97.52.71.611.71.829.55.417.42.713.12.617.63.424.71.611.03.313.01.413.31.326.77.918.82.414.80.4
81 à 12026.22.624.47.431.06.023.91.444.04.521.62.619.112.718.54.013.21.135.53.433.42.928.73.624.66.57.32.630.22.631.45.640.33.429.13.426.93.88.81.114.33.624.41.810.81.234.77.935.22.821.70.5
121 à 16010.11.825.47.619.35.716.81.210.03.112.02.19.59.511.13.316.41.219.02.812.12.113.92.79.74.817.13.521.92.35.82.813.42.518.13.012.83.06.50.911.93.320.11.715.01.49.15.111.72.014.60.4
plus de 1601.10.627.37.52.62.77.70.91.11.11.30.80.0.4.62.316.81.24.21.50.40.44.41.60.0.20.34.04.21.22.92.00.60.613.32.60.70.77.31.010.83.25.81.015.71.43.33.30.30.38.10.3
peuplement inéquien11.11.90.0.16.95.724.51.49.73.015.82.40.0.15.03.625.21.45.91.715.92.336.83.80.0.32.74.311.81.93.72.64.11.56.21.98.82.727.31.725.04.518.51.624.01.72.92.96.81.519.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793913/260245
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)17.811.5..0.0.21.67.20.0.11.911.2..12.311.617.46.00.0.8.15.40.0.18.111.90.0.17.88.10.0.0.0.38.717.525.815.66.86.613.212.611.66.310.45.70.0.5.45.312.61.9
1 à 409.48.9..0.0.12.65.933.818.511.911.2..12.311.531.77.361.613.619.07.766.627.531.215.236.517.018.18.250.035.960.513.312.711.828.112.147.813.486.812.614.36.630.68.575.922.020.78.528.32.5
41 à 8017.611.4..0.0.5.73.933.119.129.014.5..25.415.511.95.015.710.332.39.40.0.30.615.20.0.11.56.30.0.0.0.13.912.920.213.70.0.0.0.29.78.815.86.624.122.04.24.115.02.0
81 à 12026.913.4..0.0.20.77.016.515.237.515.4..0.0.9.64.67.67.325.68.80.0.20.012.712.912.240.110.30.0.27.112.110.810.30.0.0.0.0.0.29.78.87.14.80.0.31.310.018.32.1
121 à 16018.711.9..100.0.12.35.80.0.9.79.2..25.415.57.74.315.29.911.36.20.0.0.0.0.0.7.85.30.0.12.48.40.0.0.0.9.28.70.0.11.26.112.75.90.0.13.07.19.81.6
plus de 1600.0...0.0.2.82.80.0.0.0...0.0.4.83.30.0.0.0.0.0.0.0.12.912.20.0.0.0.0.0.10.810.30.0.16.010.40.0.0.0.9.65.30.0.0.0.3.01.0
peuplement inéquien9.59.0..0.0.24.37.516.515.20.0...24.615.216.95.80.0.3.73.733.427.50.0.37.617.44.64.550.035.90.0.13.112.125.815.620.110.50.0.3.53.513.86.40.0.25.49.713.01.9
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)1.11.10.0.0.0.2.80.92.42.43.72.1..2.32.32.71.02.12.15.12.50.0.0.0.3.33.21.61.65.95.83.02.90.0.3.33.21.40.80.0.2.01.22.21.123.821.91.31.32.30.3
1 à 4031.34.70.0.13.48.417.42.08.24.622.94.7..14.45.317.12.319.25.614.13.712.85.917.08.99.25.229.15.729.610.922.36.59.74.133.26.332.13.219.07.014.82.928.23.30.0.25.94.121.20.9
41 à 8020.24.30.0.20.212.98.51.514.25.922.14.4..28.67.311.91.918.85.711.13.56.94.740.611.76.24.412.14.039.211.812.75.09.13.917.96.024.73.06.64.610.62.514.62.528.522.924.34.515.20.8
81 à 12028.64.7100.0.37.414.120.12.247.48.527.54.9..22.86.813.92.137.06.951.65.540.79.636.510.27.04.830.35.614.57.541.27.530.66.426.37.14.81.518.77.026.93.69.92.247.725.633.54.922.40.9
121 à 1607.62.80.0.11.210.718.82.114.25.98.52.9..9.94.815.92.216.75.45.82.519.57.95.95.816.77.012.94.15.95.818.96.124.66.110.65.05.61.615.96.719.63.313.02.40.0.9.33.113.60.8
plus de 1600.0.0.0.0.0.8.01.53.13.12.11.5..7.64.314.52.24.12.91.21.26.94.70.0.15.96.74.32.44.84.70.0.22.45.80.0.8.82.018.26.75.61.912.42.30.0.0.0.7.70.6
peuplement inéquien11.23.30.0.17.812.124.52.310.65.113.13.9..14.55.623.92.62.12.111.03.513.37.20.0.41.88.99.73.80.0.1.91.93.72.68.84.822.52.921.67.320.43.319.72.90.0.5.82.517.50.9
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.70.70.0.0.0.2.40.73.32.26.62.40.0.0.0.1.30.51.01.02.11.50.0.0.0.10.24.01.81.00.0.0.0.5.12.44.53.00.0.4.22.91.60.70.60.43.33.21.51.11.70.2
1 à 4028.63.48.15.516.46.613.71.516.14.720.13.915.711.440.38.713.61.411.12.919.33.97.12.353.621.39.53.912.42.517.56.119.93.819.84.324.24.918.92.018.86.016.02.012.51.816.97.827.33.616.30.6
41 à 8022.83.512.06.415.57.29.11.317.15.323.04.063.216.113.56.49.91.313.83.314.83.76.42.413.112.61.81.811.62.429.47.622.04.015.84.011.74.026.42.214.75.612.31.812.51.726.69.617.43.314.80.6
81 à 12026.13.726.18.728.57.726.02.044.26.116.13.521.114.016.76.611.81.438.74.625.44.325.04.20.0.6.03.426.93.343.78.139.54.725.74.835.76.111.11.616.75.724.12.412.11.741.09.738.34.221.70.7
121 à 16010.92.633.19.324.27.817.21.79.94.313.33.20.0.10.55.817.31.620.83.916.03.814.53.333.320.519.74.927.03.37.13.912.13.118.44.116.15.06.21.39.44.521.22.317.32.08.46.09.02.615.80.6
plus de 1601.41.020.87.54.64.57.81.20.0.1.11.10.0.3.83.718.71.65.42.20.0.3.91.90.0.22.55.54.81.72.42.41.21.28.02.91.31.36.61.29.74.77.41.516.31.90.0.0.70.78.60.5
peuplement inéquien9.62.50.0.10.96.223.81.99.44.219.93.80.0.15.36.427.51.99.12.822.54.243.24.70.0.30.35.615.42.80.0.5.22.37.22.96.63.330.82.326.56.917.42.228.72.43.93.95.92.021.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)1.60.80.0.0.0.3.30.62.81.55.61.60.0.2.31.62.50.51.20.84.01.30.0.5.64.07.12.63.21.11.91.90.80.85.11.86.02.20.60.33.21.82.30.71.60.55.13.41.80.92.50.2
1 à 4028.72.67.95.415.24.815.11.214.03.120.92.815.711.424.44.415.51.217.32.717.12.49.32.327.47.511.83.317.12.322.55.224.03.215.82.927.93.224.11.724.44.615.51.618.61.621.37.526.22.518.60.5
41 à 8021.62.611.66.216.56.18.71.016.93.922.92.963.216.122.34.810.61.015.42.815.42.66.32.133.08.33.01.811.72.031.46.217.73.013.22.814.83.425.21.710.33.512.71.513.41.426.58.518.82.514.90.5
81 à 12027.12.828.28.830.56.423.41.443.94.722.02.921.114.018.24.312.31.135.93.636.13.227.53.825.46.86.92.728.92.832.85.838.93.726.63.628.94.18.71.216.14.125.31.911.11.337.38.535.82.921.70.5
121 à 16010.01.932.19.122.06.517.61.311.03.311.12.10.0.11.63.716.41.219.23.011.32.215.23.08.55.017.03.621.82.56.53.213.92.719.73.312.63.36.11.011.23.520.21.815.71.56.64.89.51.914.70.5
plus de 1600.80.620.27.43.23.27.70.91.21.21.50.90.0.5.32.616.71.34.61.60.50.54.41.80.0.19.54.14.31.33.12.10.80.813.42.80.70.77.61.112.33.76.41.114.71.40.0.0.40.48.00.3
peuplement inéquien10.22.00.0.12.65.524.11.510.33.116.02.60.0.15.84.025.91.56.51.915.52.537.34.10.0.34.74.513.02.11.91.93.91.66.32.09.23.027.71.822.44.717.61.725.01.83.13.17.61.719.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793914/260246
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)17.811.5..0.0.22.06.80.0.11.911.2..12.311.617.46.00.0.8.15.40.0.18.111.90.0.17.88.10.0.0.0.38.717.525.815.66.46.213.212.611.26.010.05.50.0.5.45.312.61.8
1 à 409.48.9..0.0.13.95.833.818.511.911.2..12.311.531.77.361.613.619.07.766.627.531.215.236.517.018.18.250.035.960.513.312.711.828.112.151.012.986.812.613.86.432.88.575.922.020.78.528.62.5
41 à 8017.611.4..0.0.5.03.533.119.129.014.5..25.415.511.95.015.710.332.39.40.0.30.615.20.0.11.56.30.0.0.0.13.912.920.213.70.0.0.0.32.38.915.36.424.122.04.24.114.92.0
81 à 12026.913.4..0.0.18.56.316.515.237.515.4..0.0.9.64.67.67.325.68.80.0.20.012.712.912.240.110.30.0.27.112.110.810.30.0.0.0.0.0.28.68.66.94.70.0.31.310.017.92.1
121 à 16018.711.9..100.0.11.05.20.0.9.79.2..25.415.57.74.315.29.911.36.20.0.0.0.0.0.7.85.30.0.12.48.40.0.0.0.8.78.20.0.10.85.912.35.80.0.13.07.19.61.6
plus de 1600.0...0.0.5.03.40.0.0.0...0.0.4.83.30.0.0.0.0.0.0.0.12.912.20.0.0.0.0.0.10.810.30.0.15.09.80.0.0.0.9.25.10.0.0.0.3.21.0
peuplement inéquien9.59.0..0.0.24.57.116.515.20.0...24.615.216.95.80.0.3.73.733.427.50.0.37.617.44.64.550.035.90.0.13.112.125.815.618.99.90.0.3.43.413.46.20.0.25.49.713.11.9
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)1.11.10.0.0.0.2.70.92.42.43.72.1..2.32.32.71.02.02.05.02.40.0.0.0.3.33.21.61.65.95.82.92.80.0.3.13.11.30.80.0.2.01.22.21.123.821.91.31.32.30.3
1 à 4030.94.70.0.13.48.418.22.08.24.622.74.7..14.45.317.42.318.85.515.23.812.35.817.08.99.25.228.35.529.610.921.96.49.74.131.76.132.93.121.27.114.62.928.13.20.0.25.94.121.40.9
41 à 8020.04.20.0.20.212.98.41.514.25.921.94.3..28.67.312.42.020.45.811.03.510.05.540.611.76.24.413.24.139.211.812.54.99.13.921.56.324.42.99.25.111.72.614.52.528.522.924.34.515.50.8
81 à 12028.34.7100.0.37.414.120.02.247.48.528.24.9..22.86.813.92.136.36.851.05.439.49.436.510.27.04.830.85.514.57.542.37.430.66.425.16.85.11.517.56.626.63.59.82.247.725.633.54.922.30.9
121 à 1607.52.70.0.11.210.718.72.114.25.98.52.9..9.94.815.52.216.45.35.82.518.97.65.95.816.77.012.63.95.95.818.56.024.66.110.14.85.51.514.96.319.43.213.52.40.0.9.33.113.50.8
plus de 1600.0.0.0.0.0.7.81.43.13.12.11.5..7.64.314.52.14.12.81.21.26.64.50.0.15.96.74.22.44.84.70.0.22.45.80.0.9.02.017.16.35.51.912.32.30.0.0.0.7.70.6
peuplement inéquien12.23.40.0.17.812.124.32.310.65.113.03.9..14.55.623.62.62.02.010.93.512.87.00.0.41.88.99.53.70.0.1.91.93.72.68.44.521.82.820.26.920.23.319.62.90.0.5.82.517.40.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.70.70.0.0.0.2.40.73.32.26.52.40.0.0.0.1.20.51.01.02.01.40.0.0.0.10.24.01.81.00.0.0.0.4.92.44.53.00.0.4.22.91.60.70.60.43.13.11.51.11.60.2
1 à 4028.63.48.15.516.46.613.81.516.14.719.93.915.711.438.88.413.71.411.12.918.73.86.92.353.621.39.53.912.02.417.56.119.73.719.34.324.24.919.02.018.86.015.82.012.41.716.27.527.33.616.20.6
41 à 8022.83.512.06.415.57.28.91.317.15.322.84.063.216.116.66.89.81.213.83.315.43.76.32.413.112.61.81.811.22.329.47.621.84.015.43.911.74.026.22.214.75.612.31.812.41.729.39.717.43.314.70.6
81 à 12026.13.726.18.728.57.726.02.044.26.116.03.421.114.016.16.411.81.338.74.625.64.324.64.10.0.6.03.427.13.343.78.139.14.726.34.835.76.111.31.616.75.724.02.412.31.739.49.638.34.221.70.7
121 à 16010.92.633.19.324.27.817.41.79.94.313.13.20.0.10.15.617.01.620.83.915.53.714.23.233.320.519.74.927.33.37.13.913.03.219.24.116.15.06.41.39.44.521.32.317.12.08.15.89.02.615.80.6
plus de 1601.41.020.87.54.64.57.71.20.0.1.11.10.0.3.63.618.41.65.42.20.0.3.81.90.0.22.55.54.71.62.42.41.21.27.82.91.31.36.51.29.74.77.11.416.51.90.0.0.70.78.60.5
peuplement inéquien9.62.50.0.10.96.223.71.99.44.220.63.90.0.14.76.128.01.99.12.822.84.244.24.70.0.30.35.616.02.80.0.5.22.37.02.86.63.330.62.326.56.917.92.228.72.43.83.85.92.021.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)1.60.80.0.0.0.3.30.62.81.55.61.60.0.2.31.62.40.51.20.84.01.30.0.5.64.07.12.63.11.11.91.90.80.85.01.85.92.20.60.33.11.72.30.71.60.55.03.31.80.92.50.2
1 à 4028.62.67.95.415.24.815.51.214.03.120.72.815.711.424.04.415.71.217.22.717.32.49.12.227.47.511.83.316.62.222.55.223.73.215.52.927.43.224.61.725.24.615.31.618.61.620.77.326.22.518.70.5
41 à 8021.52.611.66.216.56.18.51.016.93.922.72.863.216.123.44.810.71.015.92.815.62.66.92.233.08.33.01.811.81.931.46.217.53.013.12.716.23.524.91.711.23.613.21.513.31.428.78.518.82.515.00.5
81 à 12027.02.828.28.830.56.423.31.443.94.722.22.921.114.018.04.212.41.135.73.535.93.227.03.825.46.86.92.729.12.732.85.839.03.727.03.628.44.08.91.215.74.025.01.911.21.336.28.435.82.921.70.5
121 à 1609.91.932.19.122.06.517.61.311.03.311.02.10.0.11.43.616.11.219.13.011.12.214.92.98.55.017.03.622.02.46.53.214.42.720.13.312.43.26.11.010.93.420.11.815.71.56.44.69.51.914.70.5
plus de 1600.80.620.27.43.23.27.60.91.21.21.40.80.0.5.32.616.61.24.61.60.50.54.31.70.0.19.54.14.11.23.12.10.80.813.22.80.70.77.61.112.03.66.21.114.71.40.0.0.40.48.00.3
peuplement inéquien10.62.00.0.12.65.524.01.410.33.116.42.60.0.15.64.026.11.56.41.915.72.537.94.10.0.34.74.513.42.11.91.93.91.66.22.09.02.927.21.821.84.617.81.724.91.83.03.07.61.719.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793915/260247
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1983/85
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)13.93.99.13.923.07.120.78.218.88.55.45.214.82.3
1 à 400.0.0.0.2.72.60.0.5.04.80.0.0.90.6
41 à 801.31.30.0.0.0.0.0.0.0.0.0.0.40.4
81 à 1200.0.1.71.72.82.80.0.0.0.0.0.0.90.6
121 à 1601.31.30.0.0.0.0.0.0.0.0.0.0.40.4
plus de 1600.0.0.0.0.0.0.0.4.74.60.0.0.40.4
peuplement inéquien83.44.289.24.271.57.679.38.271.59.994.65.282.22.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4027.64.216.34.738.57.627.67.422.15.945.710.727.32.5
41 à 8021.73.925.95.621.46.416.26.112.34.70.0.18.92.2
81 à 12017.43.613.44.414.35.415.75.96.23.59.46.313.81.9
121 à 1605.52.29.83.82.42.40.0.14.45.00.0.6.31.4
plus de 1602.81.63.42.32.12.15.53.86.13.44.34.23.71.1
peuplement inéquien25.14.131.25.921.26.335.17.938.87.040.610.530.12.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.30.30.0.0.00.0
1 à 4022.21.412.11.516.32.211.82.310.61.835.52.719.00.8
41 à 8021.21.416.51.720.32.410.62.25.41.312.91.916.40.7
81 à 12027.41.523.21.921.62.410.22.28.11.64.91.219.50.8
121 à 1603.60.68.91.38.31.610.22.217.32.28.51.67.90.5
plus de 1601.20.43.90.94.51.212.42.414.12.17.21.55.30.4
peuplement inéquien24.41.435.42.229.12.744.83.644.22.931.02.731.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4010.20.97.11.47.31.86.31.56.31.523.92.510.30.6
41 à 8018.11.211.91.813.22.38.31.74.81.321.32.514.60.7
81 à 12029.41.421.62.322.92.811.82.07.21.611.51.921.20.8
121 à 1609.91.013.21.916.22.58.31.714.62.26.81.510.90.6
plus de 1602.80.55.41.28.21.914.32.220.12.55.01.37.10.5
peuplement inéquien29.61.440.82.832.23.251.03.246.93.131.52.835.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.50.20.50.21.50.51.00.50.80.40.20.20.70.1
1 à 4015.90.89.91.013.71.49.71.39.51.229.61.814.90.5
41 à 8019.00.914.51.216.41.59.41.35.50.915.81.515.10.5
81 à 12026.81.020.71.320.31.610.91.47.31.17.91.119.10.5
121 à 1606.60.59.91.010.31.38.01.215.41.57.21.08.80.4
plus de 1602.00.34.20.75.40.912.21.415.61.55.90.95.70.3
peuplement inéquien29.11.040.21.632.41.948.92.245.82.033.41.935.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793916/260248
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)20.718.40.0.0.0.5.43.7..0.0...0.0.7.63.30.0.13.89.0..21.219.40.0.10.59.90.0.0.0.20.810.80.0.0.0.0.0.0.0.5.53.10.0.10.29.66.11.4
1 à 4018.717.10.0.0.0.34.07.7..33.618.9..31.718.934.75.932.919.220.110.3..78.819.40.0.44.015.2100.0.0.0.38.113.269.019.437.57.057.516.547.312.935.76.30.0.73.213.338.22.7
41 à 8039.822.0100.0.0.0.13.15.5..0.0...31.718.930.05.616.515.215.19.9..0.0.0.0.8.17.80.0.0.0.13.79.231.019.437.87.210.09.66.46.222.75.60.0.7.16.921.52.3
81 à 1200.0.0.0.100.0.13.45.6..30.418.2..0.0.9.53.716.515.213.38.7..0.0.0.0.7.97.60.0.0.0.8.17.70.0.2.42.30.0.13.28.73.52.4100.0.0.0.7.91.5
121 à 1600.0.0.0.0.0.7.84.3..12.411.8..16.314.97.43.20.0.23.011.6..0.0.0.0.0.0.0.0.0.0.12.08.00.0.2.12.111.510.85.95.811.84.10.0.0.0.7.51.4
plus de 1600.0.0.0.0.0.2.62.6..0.0...20.217.61.51.50.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.11.010.37.06.75.12.90.0.0.0.2.50.9
peuplement inéquien20.718.40.0.0.0.23.86.9..23.715.1..0.0.9.13.634.119.514.89.8..0.0.100.0.29.514.20.0.100.0.7.37.00.0.20.26.010.09.620.210.515.74.80.0.9.69.116.32.1
total100.0.100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.2.40.80.0.1.01.00.0.0.0.1.50.60.0.0.0.0.0.0.0.0.0.1.41.00.0.0.0.1.21.20.0.0.90.50.0.0.60.61.20.75.35.30.0.1.00.2
1 à 4037.54.218.411.822.28.517.51.935.97.329.04.50.0.30.66.617.12.021.74.624.54.427.66.620.39.217.65.025.03.545.813.127.35.824.25.134.06.417.82.028.66.725.33.116.92.337.912.236.94.722.50.8
41 à 8016.73.618.211.736.411.814.01.813.15.624.04.250.037.514.15.314.11.817.34.412.93.610.94.733.810.95.82.812.82.834.012.622.95.721.15.015.74.935.02.622.96.315.82.718.52.46.36.218.94.018.80.8
81 à 12024.63.929.212.422.210.218.62.037.57.925.84.350.037.58.44.011.31.725.15.020.64.416.65.919.28.912.34.821.53.37.67.425.05.521.64.926.76.57.01.40.0.12.22.48.21.727.411.627.74.616.00.7
121 à 1609.22.725.013.112.26.415.01.88.74.85.62.20.0.20.96.217.01.99.53.415.53.915.15.79.66.826.36.214.02.90.0.13.34.718.14.54.93.36.81.46.73.715.02.613.32.10.0.7.52.712.70.6
plus de 1602.71.50.0.0.0.6.11.20.0.0.0.0.0.4.22.912.11.73.82.21.11.12.22.25.75.69.74.31.30.96.36.10.0.4.42.50.0.5.61.38.84.210.52.314.72.10.0.0.0.6.50.5
peuplement inéquien9.32.89.28.97.06.926.42.24.83.314.63.50.0.21.86.227.02.322.64.925.54.827.66.811.47.528.36.423.93.66.36.111.54.29.33.618.85.826.92.433.07.120.63.027.22.823.111.79.03.122.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.70.77.47.20.0.2.40.80.0.6.82.613.313.10.0.2.80.80.0.1.91.30.0.0.0.9.74.62.61.50.0.0.0.1.71.60.0.0.40.40.0.1.10.63.11.10.0.0.0.1.90.3
1 à 4026.83.60.0.13.27.217.71.810.33.818.33.919.914.29.85.410.61.58.02.821.33.72.81.50.0.11.34.712.43.112.85.214.73.46.43.128.04.911.52.110.25.615.32.18.81.825.811.818.72.913.90.6
41 à 8027.03.97.47.20.0.12.41.625.95.621.64.240.018.713.26.29.21.418.04.114.33.47.32.728.013.713.35.58.22.630.97.217.93.911.24.012.24.124.22.923.28.313.92.012.62.023.511.718.93.315.10.7
81 à 12030.83.938.112.860.29.521.21.927.96.025.74.326.717.018.47.411.81.529.54.623.73.915.43.632.413.94.33.130.34.236.77.533.14.531.45.834.56.28.01.816.37.418.72.39.61.818.39.944.64.021.10.7
121 à 1607.32.412.78.89.66.813.71.720.55.57.02.60.0.10.05.515.51.715.53.812.53.224.84.311.010.415.35.418.13.617.65.718.93.821.85.215.34.95.81.67.25.014.92.17.81.611.98.28.72.413.20.6
plus de 1600.0.12.68.50.0.4.71.01.51.53.61.80.0.16.77.217.21.80.0.1.01.04.62.00.0.5.03.58.62.62.12.13.21.99.43.70.0.12.12.214.56.78.11.612.42.00.0.0.0.7.60.5
peuplement inéquien7.32.421.811.016.98.627.92.213.94.717.03.90.0.31.98.932.82.229.04.825.44.245.24.928.614.641.07.719.93.80.0.12.03.318.15.010.13.738.03.328.68.728.02.745.73.120.411.19.12.427.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.80.63.93.90.0.2.60.50.0.3.71.310.510.50.0.2.60.50.0.2.01.00.0.3.33.34.22.02.30.90.0.0.0.3.31.50.0.0.60.30.0.0.90.42.50.72.62.60.50.51.70.2
1 à 4031.62.47.95.417.15.118.41.220.03.224.22.815.711.423.34.515.21.214.92.522.52.510.02.223.36.914.43.320.42.322.55.219.32.918.03.132.43.417.01.525.64.620.11.715.01.530.68.128.12.319.10.5
41 à 8022.52.615.67.216.56.113.11.221.14.022.02.942.116.815.04.012.81.117.62.913.72.48.32.426.88.08.93.010.61.931.16.219.73.216.23.014.53.031.31.921.64.714.41.516.21.514.26.818.42.417.10.5
81 à 12027.32.532.88.643.76.919.61.331.64.825.92.931.615.911.43.511.41.127.13.221.72.715.83.120.26.48.52.924.72.528.86.029.93.424.53.429.54.17.01.05.42.716.11.68.41.126.08.036.12.818.10.5
121 à 1608.11.817.57.410.64.714.01.216.03.86.51.70.0.16.74.215.51.212.32.514.52.421.93.58.55.020.94.015.12.213.04.316.83.019.13.110.02.96.11.07.42.914.71.610.61.25.64.07.81.712.70.4
plus de 1601.20.76.74.60.0.5.30.80.90.91.70.80.0.9.83.413.91.11.71.00.90.73.91.53.13.17.52.84.41.33.12.12.01.26.12.00.0.7.61.110.93.39.01.312.71.30.0.0.0.6.80.3
peuplement inéquien8.51.815.67.112.15.527.01.510.43.216.12.60.0.23.84.928.61.526.43.424.72.940.14.014.86.235.64.922.42.61.51.512.32.612.92.913.53.330.41.929.15.125.02.034.52.020.97.89.11.924.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793917/260249
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)20.718.40.0.0.0.5.13.5..0.0...0.0.7.13.10.0.13.89.0..18.417.00.0.9.59.10.0.0.0.20.810.80.0.0.0.0.0.0.0.5.12.80.0.9.48.95.81.3
1 à 4018.717.10.0.0.0.34.87.5..33.618.9..31.718.936.65.732.919.220.110.3..81.617.022.219.339.814.2100.0.0.0.38.113.269.019.439.16.952.315.947.312.939.56.20.0.75.112.539.62.6
41 à 8039.822.0100.0.0.0.15.05.7..0.0...31.718.929.45.416.515.215.19.9..0.0.23.820.57.37.10.0.0.0.13.79.231.019.435.56.918.211.86.46.220.85.10.0.6.56.421.42.2
81 à 1200.0.0.0.100.0.12.75.3..30.418.2..0.0.8.83.416.515.213.38.7..0.0.0.0.7.16.90.0.0.0.8.17.70.0.2.22.20.0.13.28.73.22.2100.0.0.0.7.41.4
121 à 1600.0.0.0.0.0.7.44.1..12.411.8..16.314.96.93.00.0.23.011.6..0.0.0.0.0.0.0.0.0.0.12.08.00.0.2.02.010.59.85.95.810.83.80.0.0.0.7.01.4
plus de 1600.0.0.0.0.0.2.52.5..0.0...20.217.61.41.40.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.09.47.06.74.72.60.0.0.0.2.30.8
peuplement inéquien20.718.40.0.0.0.22.66.6..23.715.1..0.0.9.83.534.119.514.89.8..0.0.54.023.036.214.20.0.100.0.7.37.00.0.21.26.09.18.820.210.516.04.70.0.8.98.416.52.0
total100.0.100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.2.30.80.0.1.01.00.0.0.0.1.40.60.0.0.0.0.0.0.0.0.0.1.30.90.0.0.0.1.21.20.0.0.80.50.0.0.60.61.20.75.35.30.0.1.00.2
1 à 4037.54.218.411.825.38.418.41.935.07.129.04.50.0.33.66.419.12.021.44.526.24.526.96.420.39.218.75.026.83.445.813.128.55.823.85.033.26.217.72.032.86.625.83.020.52.437.912.237.54.623.60.8
41 à 8016.73.618.211.734.911.414.11.712.85.424.04.250.037.512.64.813.41.717.14.412.63.510.74.633.810.95.62.713.22.834.012.622.55.620.74.915.34.834.72.521.56.015.52.617.52.36.36.218.74.018.50.7
81 à 12024.63.929.212.421.39.818.11.936.67.825.84.350.037.57.53.610.81.624.74.920.14.318.76.019.28.914.04.921.43.27.67.424.65.421.34.928.46.56.71.40.0.11.92.37.81.627.411.627.54.615.60.7
121 à 1609.22.725.013.111.86.214.71.88.54.75.62.20.0.18.85.615.81.89.43.415.13.814.75.69.66.825.26.013.02.80.0.13.14.617.84.54.83.36.61.46.33.515.22.612.62.00.0.7.42.712.30.6
plus de 1602.71.50.0.0.0.6.01.20.0.0.0.0.0.6.13.511.51.63.82.11.11.12.22.25.75.69.34.12.01.26.36.10.0.4.42.50.0.5.41.28.34.010.22.213.92.00.0.0.0.6.30.5
peuplement inéquien9.32.89.28.96.76.626.32.27.13.914.63.50.0.21.45.928.02.323.64.924.94.726.96.711.47.527.16.122.23.46.36.111.34.110.83.918.45.728.12.431.16.820.72.926.62.723.111.78.93.022.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.70.77.47.20.0.2.40.70.0.6.72.613.313.10.0.2.70.80.0.1.91.30.0.0.0.9.14.32.51.40.0.0.0.1.61.60.0.0.40.40.0.1.10.62.91.00.0.0.0.1.80.3
1 à 4026.83.60.0.12.87.017.81.810.13.718.03.919.914.212.25.711.21.58.02.721.33.72.71.50.0.10.64.512.93.112.55.115.83.56.23.028.04.913.02.210.25.615.42.19.31.823.811.018.92.914.20.6
41 à 8027.03.97.47.20.0.11.91.525.65.523.24.340.018.712.35.89.31.417.84.114.33.47.22.728.013.714.85.67.92.530.27.117.73.910.93.912.24.124.52.823.28.313.61.914.02.129.611.818.43.215.20.7
81 à 12030.83.938.112.858.19.221.11.927.56.025.14.226.717.017.27.011.61.529.24.623.73.916.53.732.413.94.02.930.04.138.07.432.74.530.55.734.56.28.31.816.37.418.72.39.71.816.99.144.84.020.90.7
121 à 1607.32.412.78.89.26.613.41.621.75.56.82.50.0.9.35.114.71.615.43.812.53.224.54.311.010.414.45.118.43.617.35.618.73.821.25.115.34.95.81.57.25.014.62.17.31.510.97.68.52.412.90.6
plus de 1600.0.12.68.50.0.4.51.01.51.53.51.70.0.15.66.816.81.70.0.1.01.04.52.00.0.4.73.38.32.62.02.03.21.99.13.60.0.11.42.114.56.78.31.611.61.90.0.0.0.7.40.5
peuplement inéquien7.32.421.811.019.88.728.92.113.74.616.63.90.0.33.38.733.72.229.74.825.44.244.64.828.614.642.37.520.03.80.0.11.93.320.65.110.13.736.53.128.68.728.22.645.13.018.810.49.52.427.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.80.63.93.90.0.2.50.50.0.3.61.310.510.50.0.2.50.50.0.2.01.00.0.3.23.23.91.92.20.90.0.0.0.3.21.40.0.0.60.30.0.0.80.42.40.62.52.50.50.51.70.2
1 à 4031.62.47.95.418.35.018.81.219.63.123.92.815.711.426.04.516.41.214.72.423.32.59.82.225.17.015.43.321.52.322.25.220.53.017.63.032.13.317.61.527.74.620.41.717.31.529.47.828.62.319.80.5
41 à 8022.52.615.67.215.95.913.11.120.74.022.72.942.116.813.83.712.61.117.42.913.62.48.22.326.27.810.33.010.71.830.66.119.43.215.93.014.43.031.01.821.74.614.11.516.31.517.67.217.92.417.00.5
81 à 12027.32.532.88.642.16.619.41.331.04.725.72.931.615.910.43.211.11.026.83.221.42.717.13.119.76.39.12.924.42.430.06.029.53.324.03.430.34.17.01.05.22.516.01.68.21.125.07.736.12.817.80.5
121 à 1608.11.817.57.410.24.613.71.116.63.86.41.70.0.15.33.914.61.112.22.514.32.321.63.48.34.919.53.814.72.112.84.216.52.918.73.19.92.96.00.97.12.714.61.610.01.25.43.87.61.712.30.4
plus de 1601.20.76.74.60.0.5.10.70.90.91.70.80.0.10.43.313.41.11.71.00.90.73.91.53.03.07.02.64.61.33.02.12.01.26.02.00.0.7.21.010.53.19.01.311.91.30.0.0.0.6.70.3
peuplement inéquien8.51.815.67.113.55.627.41.511.13.315.92.60.0.24.14.729.51.527.13.424.42.939.44.014.46.134.84.721.92.51.51.512.12.614.63.013.43.330.71.827.84.925.12.033.91.920.17.69.21.824.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793918/260250
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1983/85
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)12.73.68.23.517.65.616.26.617.97.312.16.613.42.1
1 à 400.0.0.0.2.02.00.0.3.73.70.0.0.70.5
41 à 801.21.20.0.0.0.0.0.0.0.0.0.0.40.4
81 à 1200.0.1.51.52.22.20.0.0.0.0.0.0.70.5
121 à 1601.21.20.0.0.0.0.0.3.63.50.0.0.70.5
plus de 1600.0.0.0.0.0.0.0.3.53.50.0.0.40.4
peuplement inéquien85.03.890.23.878.26.183.86.671.38.687.96.683.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4027.34.217.24.735.27.129.57.521.75.847.910.527.22.4
41 à 8022.43.924.75.419.55.915.75.912.14.60.0.18.62.1
81 à 12017.23.612.74.215.25.315.35.76.13.49.06.113.61.9
121 à 1605.42.29.33.62.22.20.0.14.14.90.0.6.11.3
plus de 1602.81.64.62.62.01.95.33.76.03.34.14.03.91.1
peuplement inéquien24.94.131.45.825.96.534.27.740.16.938.910.230.62.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.30.30.0.0.00.0
1 à 4022.11.412.31.516.12.112.62.410.91.835.72.719.10.8
41 à 8021.41.416.31.720.52.310.42.25.51.312.91.916.50.7
81 à 12027.41.523.01.921.42.310.02.17.91.64.71.219.30.8
121 à 1603.60.68.81.38.01.610.12.117.12.28.41.67.90.5
plus de 1601.20.43.80.94.31.212.22.313.62.07.21.45.20.4
peuplement inéquien24.31.435.82.129.72.644.63.644.52.931.12.632.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4010.20.97.41.47.11.86.41.56.41.525.12.510.50.6
41 à 8017.81.212.21.813.52.38.71.74.61.320.92.414.50.7
81 à 12029.01.420.92.222.52.813.22.17.71.611.81.921.10.8
121 à 16010.10.912.61.816.32.58.31.714.82.26.61.510.90.6
plus de 1602.80.55.21.28.51.914.02.119.72.44.81.37.00.5
peuplement inéquien30.21.441.82.732.03.149.33.146.93.130.82.736.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.50.20.50.21.40.51.00.40.90.40.50.30.70.1
1 à 4015.80.810.11.013.21.410.01.39.61.130.11.814.90.5
41 à 8018.90.814.41.116.31.59.31.35.40.915.51.414.90.5
81 à 12026.51.020.21.319.81.611.41.47.31.07.81.018.80.5
121 à 1606.70.59.60.99.91.27.81.115.31.47.01.08.70.4
plus de 1602.00.34.10.65.30.911.91.415.11.45.80.95.60.3
peuplement inéquien29.61.041.01.634.11.948.62.246.32.033.41.836.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793919/260251
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN1
état1983/85
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)11.52.515.73.314.93.516.34.317.55.08.94.214.11.5
1 à 400.60.60.0.0.90.91.31.31.71.72.22.20.90.4
41 à 801.30.92.61.50.0.0.0.0.0.6.83.81.40.5
81 à 1201.81.10.80.81.01.00.0.0.0.0.0.0.90.4
121 à 1601.30.90.0.0.0.0.0.1.71.72.22.20.70.4
plus de 1600.0.0.0.0.0.0.0.1.81.80.0.0.20.2
peuplement inéquien83.52.980.93.683.13.782.44.477.35.679.96.081.81.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4029.13.418.03.233.04.831.85.420.03.847.17.027.41.7
41 à 8021.33.119.73.311.73.312.33.811.83.19.84.216.01.4
81 à 12017.42.814.73.016.63.815.74.27.42.53.92.713.81.3
121 à 1604.61.68.32.35.22.32.61.814.83.41.91.96.81.0
plus de 1602.81.29.12.45.22.35.42.64.62.01.91.95.10.9
peuplement inéquien24.73.230.23.828.34.632.25.441.44.735.36.731.01.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
1 à 4022.11.011.41.014.61.513.21.812.21.335.31.819.00.5
41 à 8022.91.016.81.220.11.611.71.76.01.013.61.317.30.5
81 à 12026.51.023.11.319.91.611.61.78.41.15.80.919.10.5
121 à 1604.30.59.70.99.81.210.81.717.71.68.31.18.60.4
plus de 1601.00.24.20.63.90.810.21.612.71.46.10.94.70.3
peuplement inéquien23.21.034.81.531.71.942.52.642.82.030.91.831.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4010.90.78.11.19.01.46.71.15.00.924.81.810.90.4
41 à 8016.70.811.21.211.51.69.01.24.70.918.11.613.50.5
81 à 12029.01.019.61.525.72.112.21.48.71.210.81.321.20.6
121 à 16010.30.710.61.213.71.710.01.314.61.56.51.010.60.4
plus de 1602.80.46.40.98.11.314.41.518.81.74.40.97.00.4
peuplement inéquien30.31.044.11.932.02.347.72.248.42.235.42.036.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.40.11.00.21.30.31.20.30.80.30.30.20.70.1
1 à 4016.10.610.10.713.01.010.41.09.50.830.11.215.10.3
41 à 8019.00.614.20.814.71.09.50.95.70.615.11.014.80.3
81 à 12026.40.719.90.920.01.111.41.08.00.87.70.718.80.4
121 à 1607.20.49.30.79.90.99.00.915.51.07.10.79.00.3
plus de 1601.90.25.10.55.10.611.31.014.01.05.00.65.50.2
peuplement inéquien29.00.740.51.136.01.447.21.646.51.434.71.336.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793920/260252
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1993/95
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4019.84.815.93.923.75.325.56.330.75.947.37.425.32.2
41 à 8014.34.220.94.49.03.515.75.110.24.011.24.714.11.8
81 à 12048.86.026.04.726.65.410.14.310.34.06.93.823.52.2
121 à 16011.43.815.73.914.84.410.04.315.64.88.74.213.21.7
plus de 1600.0.3.52.019.84.918.15.529.86.015.15.313.11.7
peuplement inéquien5.62.717.94.16.12.920.65.83.42.410.84.610.81.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4021.81.411.61.516.42.120.12.611.61.932.22.818.90.8
41 à 8020.41.416.11.720.82.412.82.27.51.524.82.617.70.8
81 à 12038.31.731.22.225.12.512.02.111.51.98.91.726.00.9
121 à 16012.31.217.71.811.61.813.32.221.72.48.51.714.10.7
plus de 1602.20.56.21.19.11.719.02.532.42.77.01.59.80.6
peuplement inéquien5.10.817.31.816.92.222.82.815.32.118.52.413.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4015.71.08.81.516.52.611.92.211.02.023.32.414.90.7
41 à 8021.21.212.71.815.62.514.62.42.81.120.82.417.10.7
81 à 12034.61.422.92.229.63.115.92.510.42.012.11.925.80.9
121 à 16015.71.118.32.014.92.512.52.317.02.412.71.915.50.7
plus de 1603.00.59.81.66.01.716.12.533.63.04.01.18.50.5
peuplement inéquien9.70.927.62.417.52.729.03.125.12.727.22.618.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (sans boisement)0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
1 à 4018.20.810.71.016.71.516.81.613.01.328.81.817.20.5
41 à 8020.60.914.91.216.91.613.61.55.70.921.71.717.00.5
81 à 12036.41.026.91.526.01.713.21.510.71.310.21.225.40.6
121 à 16014.20.817.41.312.71.412.41.518.81.610.51.214.50.5
plus de 1602.60.37.30.88.91.217.31.732.11.96.11.09.30.4
peuplement inéquien7.70.621.21.315.31.524.81.917.81.522.01.715.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793921/260253
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