Recherche dans d'anciens sets de données

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IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %±
critiquejusqu'à 20%0.40.21.30.30.60.20.50.20.30.20.60.1
21 à 40%0.50.20.80.31.90.40.60.20.40.20.80.1
41 à 60%0.60.20.60.21.30.32.20.33.00.61.60.2
61 à 80%0.0.0.10.11.50.43.20.41.70.51.60.2
81 à 100%0.10.10.10.10.50.21.40.31.30.40.80.1
plus de 100%0.0.0.0.0.40.20.70.20.60.30.40.1
total1.60.42.80.56.30.78.50.67.30.95.70.3
stabilité moindriejusqu'à 20%9.30.926.01.35.90.71.50.31.40.48.20.3
21 à 40%10.61.011.60.913.01.05.90.55.20.89.00.4
41 à 60%8.30.93.90.613.41.013.70.812.91.210.80.4
61 à 80%4.10.61.30.310.60.914.10.818.11.49.90.4
81 à 100%0.90.30.30.23.50.67.40.610.11.14.60.3
plus de 100%0.30.20.0.1.40.43.20.47.00.92.30.2
total33.51.543.11.547.81.545.81.154.81.744.80.6
stablejusqu'à 20%21.91.334.71.47.20.82.50.41.70.512.60.4
21 à 40%22.21.314.41.016.81.18.80.66.70.913.30.4
41 à 60%15.21.14.10.614.21.116.40.810.61.112.70.4
61 à 80%4.60.70.70.26.40.713.20.89.61.07.70.3
81 à 100%0.90.30.10.11.20.33.70.46.20.92.40.2
plus de 100%0.10.10.0.0.20.11.10.23.10.60.80.1
total64.91.554.01.545.91.545.71.138.01.749.50.6
totaljusqu'à 20%31.61.562.01.413.71.04.50.53.40.621.40.5
21 à 40%33.31.526.81.331.71.415.30.812.31.223.10.5
41 à 60%24.11.38.60.828.91.432.31.126.51.625.00.5
61 à 80%8.70.92.10.418.51.230.51.029.51.619.10.5
81 à 100%1.90.40.40.25.30.712.50.717.61.37.80.3
plus de 100%0.40.20.0.2.00.44.90.510.71.13.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793747/260079
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %±
critiquejusqu'à 20%0.40.21.30.30.50.20.40.20.30.20.60.1
21 à 40%0.50.20.70.22.00.40.60.20.40.20.80.1
41 à 60%0.60.20.60.21.40.42.20.32.90.61.60.2
61 à 80%0.0.0.10.11.40.43.30.41.60.51.50.2
81 à 100%0.10.10.10.10.60.21.30.31.30.40.70.1
plus de 100%0.0.0.0.0.50.20.50.20.50.30.30.1
total1.60.42.80.56.30.78.40.67.00.95.60.3
stabilité moindriejusqu'à 20%9.20.926.11.36.00.71.60.31.40.48.40.3
21 à 40%10.61.011.71.013.01.05.70.55.50.89.00.4
41 à 60%8.40.94.00.613.51.013.70.813.01.210.80.4
61 à 80%4.20.61.30.310.40.914.30.818.41.49.80.4
81 à 100%0.90.30.30.23.60.67.50.610.01.14.60.3
plus de 100%0.30.20.0.1.50.43.00.46.80.92.20.2
total33.61.543.31.547.91.545.71.155.11.844.80.6
stablejusqu'à 20%21.91.334.71.47.10.82.50.41.60.512.80.4
21 à 40%21.91.314.41.016.41.18.90.77.10.913.30.4
41 à 60%15.41.14.00.614.31.116.40.910.61.112.70.4
61 à 80%4.70.70.70.26.70.813.50.89.51.17.70.3
81 à 100%0.90.30.10.11.10.33.60.46.20.92.30.2
plus de 100%0.10.10.0.0.20.11.00.22.90.60.70.1
total64.81.553.91.545.81.545.91.237.81.749.60.6
totaljusqu'à 20%31.51.562.11.413.61.14.50.53.20.621.80.5
21 à 40%32.91.526.81.331.41.415.20.813.01.223.20.5
41 à 60%24.41.48.60.829.21.432.21.126.51.625.00.6
61 à 80%8.80.92.10.418.51.231.11.129.51.719.10.5
81 à 100%1.90.40.40.25.20.712.50.817.51.47.60.3
plus de 100%0.40.20.0.2.10.44.50.510.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793748/260080
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %±
critiquejusqu'à 20%1.30.35.60.60.60.20.20.10.10.11.50.1
21 à 40%1.30.31.50.31.40.30.50.10.10.10.90.1
41 à 60%1.60.40.50.22.20.41.80.30.90.31.50.1
61 à 80%0.40.20.30.20.90.31.50.31.30.41.00.1
81 à 100%0.30.20.0.0.90.30.80.20.60.30.50.1
plus de 100%0.10.10.0.0.40.20.40.10.20.20.20.1
total5.00.77.80.76.30.75.20.53.30.65.60.3
stabilité moindriejusqu'à 20%8.80.924.31.23.90.61.40.31.00.37.50.3
21 à 40%10.30.98.30.810.50.93.90.42.80.66.90.3
41 à 60%7.00.82.60.410.80.98.80.69.31.07.70.3
61 à 80%2.20.41.00.37.30.711.90.711.11.17.20.3
81 à 100%0.50.20.20.12.30.45.30.56.60.83.10.2
plus de 100%0.30.20.0.1.20.32.20.34.70.71.60.2
total29.01.436.41.336.11.433.51.035.61.634.10.6
stablejusqu'à 20%20.91.232.61.38.80.82.70.42.20.512.60.4
21 à 40%21.91.216.91.018.91.111.10.79.61.015.30.4
41 à 60%15.61.15.20.616.71.121.80.915.71.215.80.4
61 à 80%6.40.70.80.310.20.917.30.816.91.310.90.4
81 à 100%1.10.30.20.12.50.46.30.510.91.14.10.2
plus de 100%0.20.10.0.0.50.22.00.35.80.81.50.1
total66.01.455.81.457.61.461.31.161.11.760.30.6
totaljusqu'à 20%31.01.462.41.313.31.04.40.43.40.621.70.4
21 à 40%33.51.426.71.230.91.315.50.812.41.123.20.5
41 à 60%24.21.38.30.829.71.332.41.026.01.525.00.5
61 à 80%9.00.92.20.418.41.130.81.029.41.619.10.5
81 à 100%1.80.40.40.25.70.712.30.718.01.37.70.3
plus de 100%0.50.20.0.2.10.44.60.510.71.13.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793749/260081
IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%35.014.20.0.0.0.21.56.020.713.36.66.4..14.713.60.0.29.017.448.520.60.0...11.310.715.88.473.822.617.716.117.310.637.723.39.26.20.0.60.611.60.0.0.0.66.716.019.12.3
21 à 40%65.014.263.828.4100.0.23.96.358.816.451.112.9..14.713.621.77.30.0.31.819.051.823.0..12.411.536.111.926.222.629.118.332.913.631.225.229.410.00.0.11.07.431.28.238.833.624.615.029.72.8
41 à 60%0.0.0.0.0.0.29.56.610.29.918.09.6..0.0.44.08.871.017.40.0.48.223.0..57.016.948.212.30.0.35.420.116.210.631.225.228.69.90.0.11.67.740.78.761.233.60.0.28.62.7
61 à 80%0.0.36.228.40.0.23.16.110.29.912.18.2..57.918.622.17.40.0.19.717.30.0...19.312.70.0.0.0.0.0.17.010.90.0.13.97.557.934.516.88.821.87.30.0.8.88.516.32.2
81 à 100%0.0.0.0.0.0.0.0.0.0.12.18.2..12.611.912.25.70.0.0.0.0.0...0.0.0.0.0.0.17.716.18.07.70.0.9.66.442.134.50.0.6.34.30.0.0.0.4.91.3
plus de 100%0.0.0.0.0.0.2.01.90.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.8.78.40.0.9.36.30.0.0.0.0.0.0.0.0.0.1.40.7
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.
critiquejusqu'à 20%56.613.10.0...35.06.323.120.739.815.8..0.0.5.53.10.0.29.414.5100.0.0.0.0.0.22.48.20.0.35.820.30.0.69.423.66.36.139.422.245.58.40.0.27.925.659.611.924.12.3
21 à 40%21.811.0100.0...23.65.523.620.821.613.6..0.0.14.44.750.035.619.412.50.0.48.635.312.011.74.94.7100.0.0.0.34.216.030.623.65.65.518.316.717.06.45.53.844.129.622.19.916.92.1
41 à 60%14.59.50.0...20.75.353.325.118.111.8..36.317.126.75.950.035.629.114.40.0.0.0.0.0.23.88.60.0.50.920.844.116.60.0.16.98.90.0.14.96.141.68.027.925.612.68.323.92.3
61 à 80%7.16.90.0...11.94.20.0.20.513.2..63.717.139.06.50.0.22.113.70.0.51.435.366.420.031.79.80.0.13.312.621.713.70.0.19.910.20.0.19.86.829.87.50.0.5.75.523.22.3
81 à 100%0.0.0.0...7.03.40.0.0.0...0.0.9.13.90.0.0.0.0.0.0.0.21.618.612.36.70.0.0.0.0.0.0.0.28.510.942.222.32.82.715.05.70.0.0.0.8.11.5
plus de 100%0.0.0.0...1.81.80.0.0.0...0.0.5.33.00.0.0.0.0.0.0.0.0.0.4.94.70.0.0.0.0.0.0.0.22.810.10.0.0.0.8.14.50.0.0.0.3.71.0
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.
stabilité moindriejusqu'à 20%52.54.85.25.118.79.725.02.221.97.340.25.6100.0.5.23.64.01.025.45.727.53.920.26.96.86.714.44.516.23.231.410.134.84.98.03.476.06.23.81.30.0.31.03.45.31.639.913.656.74.421.70.8
21 à 40%28.84.441.213.253.311.824.02.228.77.931.45.20.0.0.0.11.11.631.06.032.74.347.08.614.09.517.95.326.23.946.910.721.94.125.55.620.25.911.02.16.83.922.83.18.42.032.312.431.54.220.90.8
41 à 60%15.03.414.49.516.89.021.92.136.88.716.64.30.0.31.17.933.42.426.85.825.84.024.97.434.812.922.05.728.14.021.78.727.94.633.66.03.82.722.02.719.46.024.63.231.33.321.111.59.52.724.50.9
61 à 80%2.81.626.711.80.0.19.12.05.33.78.43.10.0.36.48.233.42.413.54.412.43.08.04.514.49.237.06.519.03.50.0.10.33.015.24.70.0.25.92.946.57.616.12.734.83.46.76.62.41.420.10.8
81 à 100%0.90.95.25.111.27.66.31.27.35.02.31.60.0.24.77.311.61.63.42.31.61.10.0.4.64.56.33.16.82.20.0.5.12.311.24.10.0.22.42.718.86.05.01.616.02.60.0.0.0.8.50.6
plus de 100%0.0.7.27.10.0.3.81.00.0.1.11.10.0.2.62.66.61.30.0.0.0.0.0.25.411.62.51.73.71.60.0.0.0.6.43.20.0.14.82.38.54.10.60.64.11.40.0.0.0.4.20.4
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.
stablejusqu'à 20%48.14.914.513.52.92.927.22.539.07.449.34.966.728.99.36.47.41.529.34.414.64.337.14.75.55.55.63.822.14.447.69.223.56.311.24.459.77.13.51.20.0.49.33.31.90.825.113.247.55.124.00.8
21 à 40%38.74.821.013.356.19.528.22.536.77.429.64.533.328.99.36.423.72.524.74.241.36.037.94.98.58.141.410.124.74.735.28.635.36.937.66.629.16.516.12.318.19.427.73.012.62.123.312.833.64.826.50.9
41 à 60%10.53.025.016.135.38.923.12.313.15.112.93.20.0.31.810.034.82.831.14.530.05.715.73.621.610.732.99.421.74.517.17.128.26.729.66.311.24.730.62.910.67.215.42.432.22.951.615.111.63.324.30.9
61 à 80%1.91.410.510.35.74.016.32.08.84.33.81.80.0.41.310.623.62.512.13.112.64.17.22.545.013.411.86.722.44.60.0.11.44.910.94.30.0.29.62.941.410.74.51.435.73.00.0.5.52.417.00.8
81 à 100%0.90.929.016.70.0.3.91.10.0.3.11.80.0.0.0.6.91.51.91.31.41.41.21.219.510.74.44.39.13.10.0.1.71.76.63.20.0.15.52.329.911.02.61.112.92.10.0.1.91.36.10.5
plus de 100%0.0.0.0.0.0.1.20.62.42.41.41.40.0.8.35.73.61.10.90.90.0.0.90.90.0.4.03.90.0.0.0.0.0.4.12.80.0.4.71.30.0.0.40.44.71.30.0.0.0.2.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.03.27.05.08.13.926.41.530.64.942.13.387.512.46.83.05.30.827.63.424.02.932.33.95.84.110.93.018.72.341.66.630.83.89.62.466.94.64.00.82.71.942.42.32.90.730.79.053.63.222.70.5
21 à 40%34.43.140.49.856.07.925.61.535.35.231.53.212.512.44.32.516.71.326.13.334.83.440.24.214.16.623.24.524.42.741.36.625.43.431.63.925.14.314.01.510.33.724.32.011.71.430.68.531.53.023.60.6
41 à 60%12.32.115.27.228.47.222.71.522.94.515.02.40.0.28.85.433.91.731.53.626.63.118.93.326.77.926.84.627.02.817.15.029.23.731.13.98.02.726.31.915.34.318.81.833.12.135.58.910.21.924.60.6
61 à 80%2.51.022.18.13.72.617.71.37.32.77.01.70.0.42.85.929.51.711.92.413.12.37.12.130.07.730.54.820.02.50.0.10.32.414.03.00.0.27.02.042.45.810.61.434.12.13.23.24.11.318.70.5
81 à 100%0.80.611.16.33.82.65.00.82.61.83.31.20.0.13.44.09.61.12.31.11.40.80.90.910.65.16.12.57.71.70.0.4.41.78.32.30.0.18.81.723.95.13.50.913.81.50.0.0.70.57.30.3
plus de 100%0.0.4.14.10.0.2.50.51.21.21.10.80.0.3.82.25.10.80.60.60.0.0.70.712.86.22.51.52.30.90.0.0.0.5.32.00.0.10.01.35.52.70.40.34.40.90.0.0.0.3.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793750/260082
IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%52.010.90.0.0.0.26.74.824.312.315.87.30.0.10.36.94.82.730.712.944.311.19.89.314.613.717.011.011.65.584.914.013.812.912.86.860.717.55.03.40.0.49.98.42.71.90.0.50.511.320.31.7
21 à 40%43.410.866.427.576.920.123.24.551.114.538.09.80.0.21.99.617.74.814.79.730.510.360.715.629.217.69.28.740.28.715.114.042.218.937.69.526.015.822.46.610.39.816.66.224.45.033.027.134.810.727.51.9
41 à 60%4.64.50.0.23.120.126.34.716.410.723.48.5100.0.15.68.343.66.354.714.020.09.020.513.041.518.842.614.535.28.50.0.27.616.726.58.713.412.422.36.610.39.819.56.635.65.667.027.110.16.827.51.9
61 à 80%0.0.33.627.50.0.17.14.08.27.911.26.20.0.47.211.424.25.50.0.5.25.19.18.70.0.31.213.310.25.60.0.0.0.11.56.30.0.29.97.259.016.111.35.327.75.20.0.4.64.517.61.6
81 à 100%0.0.0.0.0.0.4.62.20.0.11.46.20.0.5.04.98.13.50.0.0.0.0.0.0.0.0.0.2.82.80.0.16.314.97.85.30.0.12.95.420.513.12.72.78.33.20.0.0.0.5.61.0
plus de 100%0.0.0.0.0.0.2.21.50.0.0.0.0.0.0.0.1.61.60.0.0.0.0.0.14.613.70.0.0.0.0.0.0.0.3.93.80.0.7.54.10.0.0.0.1.31.30.0.0.0.1.60.5
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.
critiquejusqu'à 20%50.29.80.0.0.0.31.74.539.121.835.09.4..0.0.3.91.730.425.926.310.151.835.30.0.0.0.19.05.825.922.435.212.69.96.781.616.45.73.915.610.237.86.51.41.360.522.463.410.420.61.6
21 à 40%26.68.675.622.2100.0.17.23.619.017.223.48.4..0.0.12.73.034.827.910.47.00.0.19.818.010.87.420.96.274.122.420.310.634.610.718.416.42.92.87.47.217.85.19.33.421.018.822.79.016.31.5
41 à 60%15.27.024.422.20.0.23.04.041.922.317.97.3..19.710.331.94.234.827.942.311.40.0.0.0.6.26.020.85.90.0.38.512.530.010.30.0.14.35.914.89.619.75.334.55.518.517.09.46.424.21.7
61 à 80%7.95.40.0.0.0.16.33.50.0.19.98.0..67.612.030.64.10.0.21.09.40.0.60.321.964.711.823.26.40.0.6.05.815.08.00.0.37.38.215.610.221.15.432.25.40.0.4.44.324.21.7
81 à 100%0.0.0.0.0.0.10.12.90.0.3.83.7..12.78.414.53.20.0.0.0.0.0.19.818.018.39.711.44.80.0.0.0.0.0.0.0.22.87.123.812.03.62.514.54.10.0.0.0.10.01.2
plus de 100%0.0.0.0.0.0.1.81.30.0.0.0...0.0.6.42.20.0.0.0.48.235.30.0.0.0.4.63.20.0.0.0.10.57.00.0.17.16.422.811.70.0.8.23.20.0.0.0.4.70.8
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.
stabilité moindriejusqu'à 20%54.93.29.05.116.17.424.41.526.35.235.73.792.27.64.42.54.60.829.54.225.52.721.15.03.23.211.83.315.42.238.87.031.53.48.32.571.54.53.50.81.11.132.22.54.61.125.97.560.03.121.70.6
21 à 40%27.12.947.89.544.810.623.31.526.85.231.83.67.87.64.52.511.11.129.34.232.13.044.16.013.06.115.53.728.72.832.76.727.13.224.33.920.84.08.51.34.92.523.12.27.81.440.67.826.42.820.40.6
41 à 60%13.42.212.15.827.59.823.51.531.65.518.03.00.0.30.95.832.31.724.43.923.52.722.05.032.48.525.34.527.82.826.66.425.63.235.44.36.72.423.41.919.94.221.12.230.62.524.77.79.61.924.30.6
61 à 80%3.71.217.57.40.0.17.61.36.93.07.62.00.0.40.26.233.31.712.53.012.32.111.43.819.47.336.84.917.32.31.91.911.22.314.53.31.11.128.82.137.05.216.32.038.12.68.84.94.11.320.20.6
81 à 100%0.80.67.75.411.66.37.50.96.93.05.81.80.0.17.04.712.21.23.41.75.71.50.0.16.16.69.12.79.11.80.0.3.11.211.73.00.0.22.41.924.04.76.21.314.41.90.0.0.0.9.30.4
plus de 100%0.0.5.94.10.0.3.70.71.41.41.10.80.0.3.02.16.40.90.90.90.80.61.51.515.96.61.51.11.80.80.0.1.60.95.82.10.0.13.31.513.23.71.20.64.61.10.0.0.0.4.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%49.83.624.210.714.64.926.61.836.14.744.13.669.213.010.84.66.71.029.93.225.43.539.93.33.13.17.93.518.83.050.76.522.34.110.93.364.04.95.51.00.0.50.82.32.30.723.610.646.73.424.80.6
21 à 40%37.53.523.010.245.66.829.11.832.74.630.33.423.111.96.23.521.71.726.73.132.13.834.93.316.46.833.66.525.33.331.36.030.44.636.24.927.54.616.11.612.16.529.62.111.91.425.910.833.33.325.70.6
41 à 60%11.22.321.39.730.06.423.01.719.53.914.82.67.77.524.96.335.62.027.23.229.13.715.22.525.57.836.36.524.73.318.15.032.04.831.94.87.42.724.91.914.16.613.51.634.42.150.512.114.92.524.10.6
61 à 80%1.00.710.77.37.43.715.71.58.82.85.81.70.0.42.57.325.91.813.72.411.42.67.21.835.58.812.74.624.03.30.0.14.33.512.83.51.11.132.22.146.49.34.30.932.32.10.0.4.31.417.20.5
81 à 100%0.50.520.89.12.42.33.80.81.81.23.31.30.0.7.34.07.01.12.01.02.01.11.70.912.55.93.92.75.91.80.0.0.90.96.02.40.0.15.91.620.38.01.70.613.81.50.0.0.90.65.90.3
plus de 100%0.0.0.0.0.0.1.70.51.01.01.81.00.0.8.44.03.10.70.50.50.0.1.00.77.04.75.73.21.20.80.0.0.0.2.21.60.0.5.41.07.25.00.20.25.21.00.0.0.0.2.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%52.52.312.64.613.93.725.91.131.83.438.22.377.68.26.82.15.40.629.82.526.42.134.52.74.02.39.92.216.61.647.04.628.32.59.81.867.93.24.60.62.11.242.91.63.10.527.15.954.12.222.90.4
21 à 40%32.02.143.06.848.05.725.11.131.23.331.02.314.97.06.82.115.50.927.32.431.12.237.82.916.54.420.43.027.62.032.44.328.22.630.72.824.02.912.41.06.92.325.91.411.21.034.26.129.52.022.80.4
41 à 60%12.31.515.14.628.55.123.41.024.43.116.91.87.55.225.83.634.01.227.32.526.12.116.92.228.35.328.23.426.62.019.83.628.32.632.82.97.11.823.81.317.63.217.01.233.11.533.76.211.81.424.40.4
61 à 80%2.70.715.25.14.82.416.70.97.92.07.81.30.0.44.64.229.91.212.61.812.01.58.21.626.95.231.33.519.61.80.80.811.71.813.62.11.00.730.71.438.44.110.11.034.01.55.02.94.20.919.00.4
81 à 100%0.60.410.84.34.82.46.10.63.61.34.91.10.0.11.92.710.30.82.40.83.90.91.20.713.33.97.71.97.81.20.0.2.50.98.41.70.0.19.01.223.03.73.60.613.61.10.0.0.40.37.70.3
plus de 100%0.0.3.32.30.0.2.80.41.10.81.30.60.0.4.01.65.00.60.60.40.50.31.40.711.03.72.61.21.80.60.0.1.00.64.71.30.0.9.50.912.02.80.50.25.00.70.0.0.0.3.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793751/260083
IFN2
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%100.0...0.0.12.711.8......0.0.0.0...66.827.00.0.0.0.25.523.312.912.1....14.013.2100.0.0.0.0.0.0.0.0.0.....11.63.9
21 à 40%0.0...0.0.12.511.8......0.0.8.78.3..0.0.0.0.0.0.0.0.37.617.3....18.116.30.0.0.0.0.0.0.0.11.610.9....11.14.0
41 à 60%0.0...100.0.49.717.7......0.0.41.714.3..33.227.0100.0.0.0.36.928.711.911.1....18.116.30.0.0.0.0.0.68.626.354.516.7....35.86.0
61 à 80%0.0...0.0.25.115.4......50.035.449.714.5..0.0.0.0.100.0.37.628.937.617.3....33.419.40.0.100.0.42.134.50.0.11.610.9....32.35.8
81 à 100%0.0...0.0.0.0.......50.035.40.0...0.0.0.0.0.0.0.0.0.0.....16.415.10.0.0.0.57.934.531.426.322.313.9....9.13.6
plus de 100%0.0...0.0.0.0.......0.0.0.0...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.
critiquejusqu'à 20%67.615.6..21.219.821.05.941.134.232.311.9..9.69.31.41.40.0.24.17.970.025.80.0.0.0.16.18.6100.0.60.122.714.69.642.724.92.52.55.25.119.28.74.12.80.0.58.218.614.91.8
21 à 40%32.415.6..57.625.019.25.70.0.23.110.3..0.0.8.83.425.822.332.89.00.0.0.0.0.0.16.18.60.0.0.0.27.711.657.324.915.75.99.06.00.0.4.53.150.037.315.814.414.51.8
41 à 60%0.0...0.0.20.85.90.0.5.65.5..19.012.332.05.625.822.325.18.230.025.80.0.35.732.533.611.30.0.39.922.729.612.20.0.16.06.04.54.431.210.530.46.650.037.326.016.123.12.2
61 à 80%0.0...0.0.28.76.50.0.33.412.1..52.315.934.35.848.425.111.16.00.0.23.415.00.0.22.19.80.0.0.0.14.99.80.0.33.27.951.111.144.511.230.56.60.0.0.0.28.22.3
81 à 100%0.0...21.219.88.44.058.934.20.0...9.69.314.54.30.0.7.04.80.0.29.818.464.332.512.18.10.0.0.0.5.75.60.0.22.47.020.09.05.25.024.16.10.0.0.0.13.41.8
plus de 100%0.0...0.0.2.02.00.0.5.65.5..9.49.09.03.50.0.0.0.0.0.46.919.80.0.0.0.0.0.0.0.7.67.40.0.10.24.910.36.90.0.6.53.60.0.0.0.5.91.2
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.
stabilité moindriejusqu'à 20%53.85.48.46.012.66.928.02.345.511.739.34.9100.0.4.73.24.81.224.65.221.03.717.76.20.0.9.23.715.93.246.312.338.56.611.84.372.77.12.21.00.0.41.73.61.70.841.216.751.65.221.20.8
21 à 40%25.24.733.710.250.611.218.32.018.29.527.14.40.0.0.0.14.21.924.55.236.24.537.57.920.812.823.25.619.23.631.511.914.44.534.76.521.76.69.92.03.43.421.43.19.72.041.216.726.34.719.20.8
41 à 60%14.03.713.37.429.310.421.22.124.09.617.73.70.0.34.07.833.82.631.05.527.64.227.17.427.914.122.15.433.64.322.29.522.05.529.16.55.63.828.83.022.37.522.33.131.33.017.611.514.93.725.70.9
61 à 80%5.82.526.49.43.73.721.82.26.46.38.02.60.0.41.08.033.42.614.34.215.23.411.95.044.114.436.86.420.03.70.0.18.45.210.04.30.0.27.43.049.49.110.22.238.13.20.0.6.22.522.00.8
81 à 100%1.21.213.37.43.83.76.91.35.95.76.62.40.0.15.65.98.41.54.32.40.0.3.33.37.17.05.92.98.32.40.0.6.73.36.13.50.0.21.02.721.77.63.31.315.02.40.0.1.01.08.30.6
plus de 100%0.0.4.94.80.0.3.81.00.0.1.41.40.0.4.83.35.31.21.41.40.0.2.52.40.0.2.82.03.11.50.0.0.0.8.34.00.0.10.82.13.23.21.10.84.31.30.0.0.0.3.60.4
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.
stablejusqu'à 20%45.44.20.0.0.0.26.72.326.55.348.15.485.714.00.0.7.31.529.54.729.86.334.24.914.49.915.26.425.94.538.67.723.54.47.33.563.16.45.31.50.0.44.83.23.91.429.111.455.34.225.90.8
21 à 40%40.84.274.922.370.811.832.02.440.46.037.75.314.314.015.68.320.82.326.94.636.56.745.15.118.211.429.79.030.04.846.07.933.54.834.06.326.55.916.02.529.712.728.52.914.12.424.510.834.44.128.80.9
41 à 60%12.42.825.122.324.111.324.52.223.65.212.93.70.0.29.310.333.72.633.14.921.25.714.93.534.814.034.89.417.03.915.45.833.35.035.46.310.44.126.82.921.611.315.32.334.23.340.912.66.72.223.60.8
61 à 80%0.70.70.0.5.15.012.91.77.93.11.21.20.0.46.011.324.62.49.43.010.54.45.82.418.211.416.57.620.24.30.0.6.42.613.64.60.0.25.92.914.09.48.91.832.73.25.55.53.01.514.30.7
81 à 100%0.70.70.0.0.0.2.90.90.0.0.0.0.0.9.26.210.21.71.11.11.91.90.0.5.95.73.73.76.92.70.0.3.52.06.33.10.0.17.62.528.812.52.51.010.72.10.0.0.70.75.40.4
plus de 100%0.0.0.0.0.0.1.00.51.61.60.0.0.0.0.0.3.51.00.0.0.0.0.0.8.68.40.0.0.0.0.0.0.0.3.32.30.0.8.31.85.95.70.0.4.41.40.0.0.0.1.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%49.63.37.05.08.13.926.81.530.94.942.43.387.512.43.92.25.50.826.83.424.52.930.13.96.04.311.23.119.52.441.66.630.03.810.22.666.74.63.60.81.51.542.12.32.80.731.79.253.93.222.90.5
21 à 40%34.63.140.49.856.07.924.91.534.75.231.23.212.512.44.42.516.51.425.83.435.23.441.54.314.66.823.94.623.62.741.36.625.73.532.84.125.34.313.11.510.93.924.12.011.11.431.78.730.73.023.40.6
41 à 60%12.52.215.27.228.47.223.01.523.14.514.82.50.0.29.75.633.71.832.13.625.63.119.53.423.97.526.54.726.62.917.15.029.53.731.54.08.12.726.72.016.24.619.31.932.92.133.49.010.42.024.60.6
61 à 80%2.61.022.18.13.72.618.01.47.42.77.21.80.0.44.26.029.91.712.42.513.22.47.32.231.27.830.14.920.92.60.0.10.42.413.33.10.0.27.62.041.75.911.01.534.62.13.33.34.21.318.90.5
81 à 100%0.80.611.16.33.82.65.00.82.61.93.31.30.0.13.84.19.61.12.41.21.50.90.90.911.05.36.32.67.81.70.0.4.51.76.62.20.0.19.41.823.95.33.20.814.21.60.0.0.80.57.30.3
plus de 100%0.0.4.14.10.0.2.30.51.31.31.10.80.0.3.92.24.80.80.60.60.0.0.70.713.36.51.81.31.60.80.0.0.0.5.62.10.0.9.61.35.82.90.40.34.50.90.0.0.0.2.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793752/260084
IFN2
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%100.0...0.0.12.711.8......0.0.0.0...66.827.00.0.0.0.25.523.311.410.8....14.013.2100.0.0.0.0.0.0.0.0.0.....11.13.8
21 à 40%0.0...0.0.12.511.8......0.0.8.07.6..0.0.0.0.0.0.0.0.44.716.7....18.116.30.0.0.0.0.0.0.0.20.012.7....13.54.2
41 à 60%0.0...100.0.49.717.7......0.0.46.313.9..33.227.0100.0.0.0.36.928.710.59.9....18.116.30.0.0.0.0.0.68.626.349.415.9....35.75.8
61 à 80%0.0...0.0.25.115.4......50.035.445.713.8..0.0.0.0.100.0.37.628.933.315.8....33.419.40.0.100.0.42.134.50.0.10.59.9....30.95.6
81 à 100%0.0...0.0.0.0.......50.035.40.0...0.0.0.0.0.0.0.0.0.0.....16.415.10.0.0.0.57.934.531.426.320.212.8....8.73.4
plus de 100%0.0...0.0.0.0.......0.0.0.0...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.
critiquejusqu'à 20%67.615.6..21.219.822.15.941.134.232.311.9..9.69.33.62.00.0.23.17.670.025.80.0.0.0.13.97.5100.0.51.021.213.69.042.724.92.32.34.74.623.19.14.12.80.0.63.017.115.01.8
21 à 40%32.415.6..57.625.018.55.60.0.23.110.3..0.0.12.73.825.822.335.59.00.0.0.0.0.0.13.97.50.0.0.0.25.911.057.324.914.35.48.15.50.0.4.53.131.327.214.012.814.81.8
41 à 60%0.0...0.0.20.05.70.0.5.65.5..19.012.332.25.225.822.324.17.930.025.80.0.35.732.538.510.80.0.49.021.234.112.20.0.16.85.84.14.029.610.130.46.668.727.223.014.523.92.1
61 à 80%0.0...0.0.29.56.40.0.33.412.1..52.315.930.25.148.425.110.65.80.0.23.415.00.0.19.18.70.0.0.0.13.99.20.0.32.47.455.810.542.310.830.56.60.0.0.0.27.42.2
81 à 100%0.0...21.219.88.03.958.934.20.0...9.69.313.63.80.0.6.74.60.0.29.818.464.332.510.47.00.0.0.0.5.35.20.0.20.36.518.08.24.94.824.16.10.0.0.0.12.71.7
plus de 100%0.0...0.0.1.91.90.0.5.65.5..9.49.07.63.00.0.0.0.0.0.46.919.80.0.4.24.10.0.0.0.7.16.90.0.13.95.39.36.30.0.6.53.60.0.0.0.6.21.2
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.
stabilité moindriejusqu'à 20%54.45.38.46.012.66.928.12.348.711.039.24.8100.0.6.83.84.41.125.65.220.53.617.76.20.0.8.73.516.13.146.312.340.56.513.14.572.77.12.41.05.63.940.63.51.60.841.216.751.15.220.90.8
21 à 40%24.94.633.710.250.611.218.82.019.79.027.14.40.0.2.42.414.01.824.15.136.94.537.57.920.812.825.15.617.73.331.511.913.94.432.66.321.76.610.31.93.03.022.23.09.51.941.216.727.04.719.10.8
41 à 60%13.93.713.37.429.310.421.32.120.98.518.13.70.0.34.37.334.92.530.65.427.74.227.17.427.914.121.05.135.14.222.29.521.35.429.26.35.63.828.32.919.66.722.03.031.93.017.611.514.73.726.00.9
61 à 80%5.72.526.49.43.73.721.12.15.65.57.82.50.0.38.47.533.22.514.14.114.93.311.95.044.114.436.96.218.43.40.0.17.85.09.44.10.0.27.42.846.98.510.12.238.13.10.0.6.22.521.90.8
81 à 100%1.21.213.37.43.83.77.11.35.15.06.42.40.0.13.85.38.11.44.22.40.0.3.33.37.17.05.62.88.32.30.0.6.53.27.83.80.0.20.72.519.06.84.01.415.02.30.0.1.01.08.30.5
plus de 100%0.0.4.94.80.0.3.71.00.0.1.31.30.0.4.32.95.41.21.41.40.0.2.52.40.0.2.71.94.51.80.0.0.0.7.83.80.0.11.02.05.94.11.00.74.01.20.0.0.0.3.80.4
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.
stablejusqu'à 20%46.34.20.0.0.0.26.72.226.55.347.75.287.512.40.0.7.21.429.44.627.25.836.64.811.68.017.76.724.64.138.67.724.24.46.63.264.06.35.51.44.74.645.53.14.01.329.111.454.44.225.60.8
21 à 40%40.54.174.922.370.811.832.62.440.46.037.05.112.512.414.98.022.12.227.84.636.96.443.65.021.910.827.68.531.04.546.07.933.24.834.16.025.85.717.52.429.411.128.52.814.22.324.510.835.54.029.00.9
41 à 60%11.82.725.122.324.111.323.82.123.65.214.13.70.0.28.09.933.82.532.84.824.55.714.23.340.413.035.99.119.83.915.45.832.94.933.85.910.24.027.12.822.110.015.22.234.33.140.912.66.52.123.80.8
61 à 80%0.70.70.0.5.15.012.91.77.93.11.11.10.0.43.911.023.32.29.02.99.64.05.52.214.69.515.47.118.63.90.0.6.32.614.04.40.0.25.12.715.98.78.61.732.33.15.55.52.91.514.10.7
81 à 100%0.60.60.0.0.0.3.00.90.0.0.0.0.0.13.27.110.01.61.01.01.71.70.0.4.74.63.53.46.02.40.0.3.42.08.43.30.0.16.62.323.110.42.30.911.22.10.0.0.60.65.50.4
plus de 100%0.0.0.0.0.0.1.00.51.61.60.0.0.0.0.0.3.61.00.0.0.0.0.0.6.96.70.0.0.0.0.0.0.0.3.02.10.0.8.21.74.74.60.0.4.01.30.0.0.0.1.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.23.27.05.08.13.926.91.532.14.942.33.288.911.15.12.55.50.827.23.423.42.832.03.95.43.911.73.119.02.341.66.631.03.710.22.567.14.63.80.85.02.442.22.22.80.730.79.053.43.222.60.5
21 à 40%34.43.140.49.856.07.925.31.534.65.131.13.211.111.15.52.717.41.326.23.436.23.440.74.216.76.924.74.523.42.641.36.625.13.431.93.924.94.313.81.510.83.724.52.011.31.430.68.531.63.023.50.6
41 à 60%12.12.115.27.228.47.222.71.422.44.415.52.50.0.29.85.334.31.731.73.626.43.118.83.327.67.726.14.528.62.817.15.029.43.731.43.97.92.726.71.915.24.118.91.833.12.035.58.910.21.924.90.6
61 à 80%2.51.022.18.13.72.617.71.37.22.76.81.70.0.42.05.728.71.612.02.412.62.37.02.128.37.429.84.719.12.40.0.10.22.413.12.90.0.27.11.941.85.510.61.434.32.13.23.24.11.318.70.5
81 à 100%0.80.611.16.33.82.65.10.82.51.83.21.20.0.14.03.99.41.02.31.11.40.80.90.910.04.86.02.57.31.60.0.4.41.78.22.30.0.18.71.720.84.73.30.814.31.50.0.0.70.57.30.3
plus de 100%0.0.4.14.10.0.2.20.51.21.21.10.80.0.3.62.14.70.70.60.60.0.0.60.612.15.91.71.22.61.00.0.0.0.5.21.90.0.9.91.36.42.80.40.34.20.90.0.0.0.3.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793753/260085
IFN2
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%100.0...0.0.12.811.9......0.0.0.0...68.326.40.0.0.0.26.523.88.48.1....13.512.8100.0.0.0.0.0.0.0.0.0.....10.33.5
21 à 40%0.0...0.0.12.511.7......0.0.7.47.1..0.0.0.0.0.0.0.0.42.014.4....17.716.00.0.0.0.0.0.0.0.27.313.5....14.74.1
41 à 60%0.0...100.0.49.617.7......50.025.542.913.3..31.726.4100.0.0.0.38.329.07.67.3....17.716.00.0.0.0.0.0.67.826.744.915.0....33.35.4
61 à 80%0.0...0.0.25.115.4......23.420.849.713.4..0.0.0.0.100.0.35.328.132.713.5....34.019.60.0.100.0.64.628.50.0.9.48.9....32.65.4
81 à 100%0.0...0.0.0.0.......26.622.70.0...0.0.0.0.0.0.0.0.9.38.8....17.015.60.0.0.0.35.428.532.226.718.411.7....9.13.3
plus de 100%0.0...0.0.0.0.......0.0.0.0...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.
critiquejusqu'à 20%66.915.8..20.619.420.85.338.333.434.411.3..9.39.03.01.70.0.26.27.569.126.20.0.0.0.12.66.8100.0.51.520.911.67.839.424.52.22.23.93.821.38.55.02.80.0.63.816.914.41.6
21 à 40%33.115.8..58.824.919.25.20.0.20.89.4..0.0.13.13.525.922.331.38.20.0.13.012.10.0.13.07.00.0.0.0.27.610.560.624.513.85.37.34.90.0.7.03.430.126.512.611.815.01.7
41 à 60%0.0...0.0.20.85.30.0.5.04.9..19.312.530.54.725.922.324.67.630.926.28.18.125.123.139.510.40.0.48.520.937.411.80.0.16.45.73.73.626.99.430.46.069.926.523.614.723.92.0
61 à 80%0.0...0.0.30.66.00.0.29.711.1..53.315.832.24.848.225.19.15.00.0.24.412.633.927.721.58.60.0.0.0.12.38.20.0.34.07.450.69.643.510.430.56.00.0.0.0.28.02.1
81 à 100%0.0...20.619.46.93.361.733.45.04.9..9.39.014.83.70.0.8.84.90.0.21.213.941.029.79.56.40.0.0.0.4.54.40.0.20.26.426.78.64.54.420.15.20.0.0.0.12.91.6
plus de 100%0.0...0.0.1.61.60.0.5.04.9..8.88.46.42.50.0.0.0.0.0.33.215.90.0.4.03.90.0.0.0.6.56.40.0.13.55.17.95.43.83.77.03.40.0.0.0.5.91.1
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%53.25.110.66.010.05.627.62.141.510.040.44.5100.0.6.23.54.31.025.94.922.83.618.96.10.0.7.93.117.63.148.810.939.26.011.13.970.17.22.10.95.03.541.43.32.20.932.714.352.64.820.90.7
21 à 40%26.64.530.88.751.810.020.82.023.88.826.54.10.0.3.82.614.31.726.14.935.14.137.97.618.811.922.65.118.23.228.810.116.44.433.05.924.36.79.61.85.43.822.02.88.81.742.815.225.64.319.50.7
41 à 60%13.23.421.87.926.69.020.72.025.18.416.13.30.0.31.36.634.62.328.75.027.13.924.66.825.113.028.25.333.43.922.58.820.64.930.96.15.73.827.92.717.36.021.32.731.22.824.612.914.33.325.60.8
61 à 80%6.02.322.58.18.74.820.11.95.35.29.32.50.0.39.37.031.82.314.53.913.63.013.45.149.714.532.55.618.13.20.0.18.24.711.24.10.0.30.12.848.47.810.62.138.52.90.0.6.62.421.90.8
81 à 100%1.01.010.66.02.92.97.51.34.24.16.52.30.0.13.84.99.41.43.62.11.41.02.82.86.36.26.32.77.62.10.0.5.42.76.93.40.0.19.32.418.76.23.41.214.92.20.0.0.90.98.30.5
plus de 100%0.0.3.73.70.0.3.30.90.0.1.21.10.0.5.63.25.61.11.21.20.0.2.32.30.0.2.51.85.21.80.0.0.0.6.93.40.0.11.01.95.23.61.30.84.41.20.0.0.0.3.80.4
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.
stablejusqu'à 20%47.14.00.0.0.0.27.52.124.84.945.74.990.09.80.0.6.61.228.34.428.75.636.44.410.77.416.46.223.73.839.17.524.24.25.92.963.36.14.91.37.95.344.92.94.21.229.710.654.53.925.40.8
21 à 40%38.93.976.021.567.811.831.72.240.95.835.34.810.09.817.68.022.32.128.84.536.06.044.14.620.610.324.57.629.64.144.07.732.54.537.75.725.25.517.22.222.68.929.52.714.92.225.810.334.73.728.70.8
41 à 60%12.72.724.021.522.810.923.72.023.25.014.93.60.0.31.19.335.22.432.74.625.25.514.53.237.912.537.58.621.83.816.95.831.94.633.55.511.64.027.52.621.48.515.22.132.82.939.511.57.82.124.10.8
61 à 80%0.60.60.0.9.46.413.41.69.73.33.21.80.0.40.910.122.82.19.32.88.63.64.92.020.110.613.16.219.03.60.0.6.72.513.24.00.0.26.32.621.58.78.11.632.92.95.05.02.41.214.40.6
81 à 100%0.60.60.0.0.0.2.70.80.0.0.90.90.0.10.45.79.91.50.90.91.61.60.0.4.34.25.53.95.12.00.0.4.72.17.22.90.0.16.32.217.98.12.40.911.31.90.0.0.60.65.40.4
plus de 100%0.0.0.0.0.0.0.90.51.41.40.0.0.0.0.0.3.20.90.0.0.0.0.0.6.46.33.13.00.70.70.0.0.0.2.51.80.0.7.91.68.86.00.0.3.91.20.0.0.0.1.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.33.19.25.27.03.427.01.429.24.542.23.090.99.04.52.25.10.726.73.225.52.832.33.74.63.310.72.819.32.243.16.230.73.58.82.265.64.53.40.75.32.342.22.13.30.728.68.154.12.922.50.5
21 à 40%34.02.936.88.755.47.325.91.435.84.829.82.99.19.07.12.817.51.227.53.334.33.141.33.917.26.322.04.023.32.438.46.125.43.234.03.725.64.213.41.410.23.225.01.911.61.332.08.130.62.823.50.5
41 à 60%12.42.022.17.426.66.622.41.423.24.314.82.30.0.30.74.934.61.630.83.426.32.918.13.025.37.031.14.428.22.618.54.928.23.432.33.78.82.726.81.813.93.618.51.732.11.936.58.510.71.824.90.5
61 à 80%2.61.019.57.27.93.317.61.28.42.78.21.80.0.40.65.328.31.512.32.311.42.16.91.934.47.626.84.319.32.30.0.10.82.313.12.70.0.28.91.942.65.010.61.334.81.92.92.93.91.218.90.5
81 à 100%0.70.59.25.23.22.25.10.72.41.74.01.30.0.12.93.510.01.02.11.02.51.00.70.78.44.16.82.46.81.50.0.4.81.67.22.00.0.17.91.621.34.33.10.713.91.40.0.0.70.57.30.3
plus de 100%0.0.3.23.20.0.2.00.51.11.11.00.70.0.4.12.04.60.70.50.50.0.0.60.610.25.02.61.53.11.00.0.0.0.4.61.70.0.9.71.26.72.70.70.44.30.80.0.0.0.3.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793754/260086
IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%47.65.77.53.611.75.40.0.0.0.0.0.19.32.6
21 à 40%31.75.320.15.435.48.028.09.024.19.428.310.728.22.9
41 à 60%16.94.334.26.422.97.140.49.948.210.922.29.827.72.9
61 à 80%2.51.732.86.419.16.523.68.518.88.522.39.817.62.5
81 à 100%1.41.43.62.58.24.58.15.58.96.016.58.75.51.5
plus de 100%0.0.1.71.72.72.60.0.0.0.10.87.21.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critiquejusqu'à 20%61.04.68.33.57.64.20.0.6.23.54.94.824.62.4
21 à 40%20.83.923.15.416.75.82.92.914.25.08.85.916.82.1
41 à 60%14.63.422.85.431.87.142.78.126.26.322.89.024.02.4
61 à 80%3.61.835.76.131.37.230.67.638.57.023.39.123.22.4
81 à 100%0.0.8.53.612.65.315.55.810.64.522.28.88.21.5
plus de 100%0.0.1.71.70.0.8.44.64.33.017.98.13.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%48.21.710.61.48.41.75.41.74.81.23.41.122.10.8
21 à 40%27.11.525.32.022.82.58.02.013.22.08.91.620.90.8
41 à 60%17.41.327.52.027.42.630.83.335.82.823.62.524.60.9
61 à 80%5.90.824.52.025.92.635.43.531.32.730.12.720.20.8
81 à 100%1.30.48.11.310.71.816.22.710.81.820.42.38.40.6
plus de 100%0.10.13.90.94.81.34.21.54.21.213.52.03.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%45.11.613.01.910.62.11.60.88.71.82.91.023.70.8
21 à 40%32.81.527.22.530.23.112.92.123.22.715.52.226.50.9
41 à 60%15.51.129.92.627.83.032.23.035.93.030.12.824.40.9
61 à 80%5.30.720.62.220.62.835.73.022.62.630.92.817.10.8
81 à 100%1.00.37.01.48.92.013.22.16.91.615.22.26.20.5
plus de 100%0.30.22.20.81.80.94.51.32.71.05.41.42.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21 à 40%29.71.025.51.425.91.811.11.417.81.612.41.323.40.6
41 à 60%16.30.828.51.527.61.832.92.135.51.926.41.824.60.6
61 à 80%5.40.524.41.423.91.834.62.127.81.830.01.818.90.5
81 à 100%1.10.27.50.910.01.314.21.69.11.218.01.57.30.4
plus de 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793755/260087
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%81.317.10.0.0.0.24.57.5..57.420.0..0.0.10.34.416.515.213.28.7..0.0.0.0.10.59.90.0.0.0.9.08.727.423.03.02.90.0.7.57.21.91.80.0.27.513.812.22.0
21 à 40%0.0.100.0.0.0.21.07.1..14.713.8..0.0.12.74.865.919.535.212.9..0.0.0.0.8.17.80.0.0.0.42.614.572.623.08.04.40.0.14.79.64.73.2100.0.34.514.316.72.3
41 à 60%0.0.0.0.100.0.21.77.3..0.0...23.921.019.25.817.615.821.711.2..0.0.44.230.045.215.1100.0.0.0.16.610.80.0.35.98.013.112.456.513.336.37.10.0.26.813.527.12.7
61 à 80%0.0.0.0.0.0.20.97.1..0.0...46.524.736.57.00.0.29.912.5..73.123.627.925.126.713.40.0.0.0.17.611.40.0.23.17.158.718.715.09.740.17.20.0.11.110.427.32.7
81 à 100%18.717.10.0.0.0.6.04.1..14.913.9..29.624.017.05.50.0.0.0...0.0.27.925.19.59.00.0.100.0.14.29.30.0.21.76.80.0.0.0.14.75.10.0.0.0.11.81.9
plus de 100%0.0.0.0.0.0.6.04.1..13.112.5..0.0.4.43.00.0.0.0...26.923.60.0.0.0.0.0.0.0.0.0.0.0.8.34.628.217.16.46.22.32.30.0.0.0.4.91.3
total100.0.100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%45.54.89.28.99.76.623.22.229.27.938.04.8100.0.6.83.83.61.129.05.322.84.627.87.00.0.8.23.618.23.343.113.526.76.09.43.762.77.22.50.92.92.839.33.72.31.032.113.149.25.219.50.8
21 à 40%31.84.531.513.462.711.123.02.230.37.929.44.60.0.2.62.613.01.925.05.137.45.440.57.713.18.923.16.121.63.743.113.526.05.924.45.432.17.011.11.98.84.918.83.08.21.817.38.630.24.820.50.8
41 à 60%18.93.89.28.915.38.822.12.225.97.617.43.80.0.26.27.032.32.732.55.517.04.215.55.932.211.533.76.827.64.013.99.321.25.336.86.25.23.524.42.611.15.217.32.928.43.043.714.113.23.623.80.9
61 à 80%2.81.625.013.14.14.020.22.111.15.39.83.00.0.50.87.731.92.710.83.620.44.510.84.622.29.827.36.520.03.60.0.20.45.46.93.40.0.31.12.833.67.818.02.936.23.26.96.86.32.521.90.8
81 à 100%1.01.015.910.88.25.77.71.43.63.54.02.00.0.9.14.311.71.81.41.42.41.73.13.015.48.46.33.59.52.50.0.5.73.210.93.90.0.19.42.438.18.36.01.819.22.60.0.1.01.09.80.6
plus de 100%0.0.9.28.90.0.3.91.00.0.1.41.40.0.4.53.27.51.51.41.40.0.2.32.317.19.31.41.43.01.50.0.0.0.11.54.10.0.11.41.95.63.90.60.65.71.50.0.0.0.4.50.4
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.
stablejusqu'à 20%51.84.55.85.77.14.930.22.331.96.346.15.183.316.10.0.6.41.325.74.627.44.331.14.719.713.215.95.722.14.042.27.732.14.811.34.373.35.95.71.70.0.45.73.13.51.234.113.259.04.226.90.8
21 à 40%38.34.443.313.752.210.627.02.237.56.734.24.916.716.18.05.519.82.023.84.633.54.641.95.124.114.726.57.127.94.441.87.725.74.340.46.615.64.917.32.916.97.828.02.815.12.439.613.330.74.026.60.9
41 à 60%7.42.421.711.537.210.123.92.121.45.613.03.40.0.36.19.636.72.532.75.033.04.621.14.119.713.216.06.023.34.216.05.734.74.928.66.011.14.328.73.424.49.018.62.436.53.226.211.37.42.325.10.8
61 à 80%2.41.421.310.83.53.515.81.85.12.94.82.10.0.33.69.327.52.314.53.75.12.25.92.428.414.534.07.821.34.10.0.4.52.019.75.40.0.22.73.248.810.26.21.531.93.10.0.2.21.315.40.7
81 à 100%0.0.8.07.70.0.2.50.82.02.01.81.30.0.18.87.67.01.33.41.91.01.00.0.8.07.95.03.65.42.40.0.3.01.70.0.0.0.18.93.09.96.51.50.89.31.90.0.0.70.74.60.4
plus de 100%0.0.0.0.0.0.0.70.42.02.00.0.0.0.3.63.62.60.80.0.0.0.0.0.0.0.2.62.60.0.0.0.0.0.0.0.0.0.6.71.90.0.0.0.3.71.30.0.0.0.1.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%49.63.37.05.08.13.926.81.530.94.942.43.387.512.43.92.25.50.826.83.424.52.930.13.96.04.311.23.119.52.441.66.630.03.810.22.666.74.63.60.81.51.542.12.32.80.731.79.253.93.222.90.5
21 à 40%34.63.140.49.856.07.924.91.534.75.231.23.212.512.44.42.516.51.425.83.435.23.441.54.314.66.823.94.623.62.741.36.625.73.532.84.125.34.313.11.510.93.924.12.011.11.431.78.730.73.023.40.6
41 à 60%12.52.215.27.228.47.223.01.523.14.514.82.50.0.29.75.633.71.832.13.625.63.119.53.423.97.526.54.726.62.917.15.029.53.731.54.08.12.726.72.016.24.619.31.932.92.133.49.010.42.024.60.6
61 à 80%2.61.022.18.13.72.618.01.47.42.77.21.80.0.44.26.029.91.712.42.513.22.47.32.231.27.830.14.920.92.60.0.10.42.413.33.10.0.27.62.041.75.911.01.534.62.13.33.34.21.318.90.5
81 à 100%0.80.611.16.33.82.65.00.82.61.93.31.30.0.13.84.19.61.12.41.21.50.90.90.911.05.36.32.67.81.70.0.4.51.76.62.20.0.19.41.823.95.33.20.814.21.60.0.0.80.57.30.3
plus de 100%0.0.4.14.10.0.2.30.51.31.31.10.80.0.3.92.24.80.80.60.60.0.0.70.713.36.51.81.31.60.80.0.0.0.5.62.10.0.9.61.35.82.90.40.34.50.90.0.0.0.2.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793756/260088
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%62.614.7..0.0.10.75.116.515.223.914.4..0.0.2.62.554.113.946.910.033.427.50.0.11.811.228.89.30.0.33.513.70.0.74.215.60.0.0.0.57.59.410.05.538.030.149.910.825.32.4
21 à 40%18.611.8..0.0.11.05.233.519.717.011.1..0.0.9.74.623.311.936.59.733.227.00.0.12.912.217.78.150.035.918.011.527.916.425.815.66.26.013.212.624.48.13.23.262.030.127.09.617.12.1
41 à 60%18.912.0..100.0.35.17.933.519.711.911.2..12.712.038.67.622.711.64.03.90.0.51.216.425.815.731.99.950.035.918.29.850.517.90.0.34.512.539.718.411.56.235.48.60.0.18.98.426.62.4
61 à 80%0.0...0.0.24.07.016.515.28.58.2..62.317.441.97.70.0.12.56.80.0.7.57.249.417.913.27.10.0.15.610.30.0.0.0.25.411.118.216.03.23.125.77.90.0.4.24.118.02.1
81 à 100%0.0...0.0.13.55.60.0.30.214.8..0.0.4.83.30.0.0.0.0.0.10.610.10.0.8.55.80.0.14.79.921.613.70.0.27.611.813.212.63.43.422.27.50.0.0.0.8.91.6
plus de 100%0.0...0.0.5.63.80.0.8.58.2..25.015.62.42.40.0.0.0.33.427.530.615.20.0.0.0.0.0.0.0.0.0.0.0.6.46.215.614.20.0.3.43.40.0.0.0.4.01.1
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%51.45.30.0.15.510.224.72.341.38.447.75.4..9.24.33.51.116.15.325.34.734.09.25.95.87.94.623.75.145.211.938.97.53.72.670.97.13.11.28.34.641.54.04.31.552.325.655.05.222.60.9
21 à 40%31.04.90.0.60.214.623.12.325.47.526.74.7..2.92.913.22.037.16.932.75.249.99.618.19.416.46.925.35.227.410.728.16.829.26.221.86.410.52.13.02.917.93.19.72.247.725.629.64.820.40.9
41 à 60%12.03.40.0.24.313.121.42.221.36.811.93.4..30.27.526.42.728.46.425.94.89.55.326.610.646.89.318.14.927.410.722.76.536.26.57.34.228.93.18.85.020.33.326.43.20.0.7.82.822.40.9
61 à 80%4.42.2100.0.0.0.18.92.15.53.97.82.9..45.98.032.42.812.24.714.94.06.64.637.210.919.67.421.05.10.0.8.54.214.15.00.0.28.43.150.38.516.93.137.23.50.0.6.62.621.20.9
81 à 100%1.11.10.0.0.0.7.21.46.54.53.11.8..11.84.715.52.24.22.91.21.20.0.8.15.47.04.810.13.70.0.1.91.97.23.50.0.17.22.521.37.22.11.216.12.60.0.1.01.08.70.6
plus de 100%0.0.0.0.0.0.4.61.10.0.2.71.9..0.0.9.11.72.02.00.0.0.0.4.04.02.22.21.81.80.0.0.0.9.64.10.0.11.92.28.34.61.30.96.31.80.0.0.0.4.70.5
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.
stablejusqu'à 20%48.54.37.05.05.33.727.82.026.56.037.84.589.510.53.63.66.21.029.14.316.83.730.64.313.112.613.84.415.92.642.38.226.24.414.23.865.06.24.21.00.0.40.82.81.10.624.49.153.44.421.00.6
21 à 40%37.64.243.99.955.99.327.92.142.57.036.74.610.510.56.24.219.51.721.03.939.14.939.84.740.520.831.26.322.03.147.68.326.34.235.85.225.75.815.31.817.56.027.92.513.41.829.99.332.14.225.30.7
41 à 60%11.82.715.17.228.18.522.61.921.65.817.83.50.0.33.58.437.32.033.74.631.54.721.33.90.0.15.14.732.43.510.14.833.34.725.24.79.34.026.12.220.66.119.22.235.72.541.910.111.42.826.30.7
61 à 80%1.51.019.07.85.33.716.81.77.23.65.82.10.0.35.08.625.01.813.53.310.63.27.22.433.320.531.86.118.92.90.0.10.12.915.03.90.0.27.32.336.77.38.41.533.62.53.83.82.41.417.80.6
81 à 100%0.70.711.06.35.43.84.20.90.0.1.91.30.0.18.87.18.21.12.71.62.01.41.11.113.112.66.43.27.11.90.0.4.02.03.62.00.0.18.72.022.96.63.11.012.21.70.0.0.70.76.90.4
plus de 100%0.0.4.04.00.0.0.60.32.12.10.0.0.0.2.92.93.80.80.0.0.0.0.0.0.0.1.81.83.81.40.0.0.0.6.22.70.0.8.41.42.32.30.60.44.01.00.0.0.0.2.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.23.26.84.98.13.925.81.531.64.841.33.289.510.56.12.75.20.727.33.423.92.931.33.95.23.811.73.118.92.341.66.630.23.79.72.468.14.53.70.83.52.042.02.22.60.728.78.553.73.221.80.5
21 à 40%34.23.142.79.756.07.925.21.535.45.131.53.210.510.54.02.317.11.325.83.436.23.441.64.216.16.724.84.522.52.541.36.626.13.433.13.824.24.213.41.411.13.524.61.911.61.335.18.330.73.023.20.5
41 à 60%12.22.114.67.028.47.222.71.422.14.415.02.40.0.29.95.234.01.631.33.625.93.118.63.230.07.926.34.528.72.817.15.029.33.730.53.77.72.627.31.817.24.119.11.832.71.933.28.410.72.025.00.6
61 à 80%2.51.021.37.93.72.618.01.37.12.66.81.70.0.43.05.628.01.512.12.512.62.37.02.127.37.329.44.718.92.40.0.10.12.413.92.90.0.27.61.840.95.310.71.434.32.03.03.04.11.319.00.5
81 à 100%0.80.610.76.13.82.65.80.82.51.83.81.30.0.13.53.810.31.02.91.31.40.80.90.99.74.76.02.58.01.70.0.4.41.65.81.90.0.18.41.621.54.52.80.814.01.40.0.0.70.57.70.3
plus de 100%0.0.3.93.90.0.2.40.51.21.21.60.90.0.3.52.05.40.80.60.60.0.0.60.611.75.71.71.33.01.00.0.0.0.7.12.20.0.9.61.25.92.60.80.44.70.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793757/260089
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%62.614.7..0.0.13.36.216.515.227.115.7..0.0.3.53.454.113.949.310.30.0.0.0.11.811.228.89.30.0.35.914.50.0.64.619.90.0.0.0.54.29.811.16.161.233.649.910.827.42.6
21 à 40%18.611.8..0.0.6.94.733.519.719.312.5..0.0.6.64.523.311.933.39.749.935.40.0.12.912.217.78.150.035.919.212.232.118.235.419.910.19.633.327.626.38.60.0.38.833.627.09.617.22.2
41 à 60%18.912.0..100.0.39.99.033.519.713.612.5..14.513.636.08.822.711.64.24.10.0.38.117.325.815.731.99.950.035.912.48.343.119.00.0.24.415.033.327.612.46.735.59.10.0.18.98.425.12.6
61 à 80%0.0...0.0.26.48.016.515.29.79.3..57.019.144.09.10.0.13.27.10.0.9.69.149.417.913.27.10.0.16.711.00.0.0.0.20.413.10.0.3.43.424.98.20.0.4.24.117.42.2
81 à 100%0.0...0.0.6.74.60.0.20.713.2..0.0.6.64.50.0.0.0.0.0.13.412.40.0.8.55.80.0.15.810.624.915.50.0.34.816.333.327.63.73.624.78.20.0.0.0.8.51.6
plus de 100%0.0...0.0.6.94.70.0.9.79.3..28.517.43.33.20.0.0.0.50.135.438.918.10.0.0.0.0.0.0.0.0.0.0.0.10.49.90.0.0.0.3.83.80.0.0.0.4.31.2
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.
stabilité moindriejusqu'à 20%51.45.30.0.15.510.225.62.439.98.548.75.5..7.44.13.91.314.75.224.74.735.29.46.26.18.24.724.75.445.211.938.57.63.72.669.57.32.21.13.53.541.44.24.41.668.727.255.05.223.61.0
21 à 40%30.64.90.0.60.214.622.02.326.07.725.74.8..3.13.113.72.338.77.132.35.248.19.719.09.816.97.128.45.827.410.727.26.929.86.322.86.79.62.20.0.17.33.28.42.231.327.229.64.820.60.9
41 à 60%12.33.50.0.24.313.121.72.321.87.012.53.6..30.07.724.72.929.66.726.54.99.85.523.210.545.09.413.24.627.410.723.66.737.06.67.74.329.03.410.86.020.03.425.33.50.0.7.82.821.91.0
61 à 80%4.52.2100.0.0.0.19.42.25.64.08.23.0..49.38.333.83.112.74.915.34.06.94.738.911.220.37.623.65.60.0.8.84.314.55.10.0.27.73.449.49.417.63.338.83.90.0.6.62.621.10.9
81 à 100%1.11.10.0.0.0.6.41.46.74.63.31.9..10.14.615.72.42.12.11.21.20.0.8.55.77.24.98.13.50.0.1.91.97.43.60.0.19.02.926.18.52.31.317.43.00.0.1.01.08.40.6
plus de 100%0.0.0.0.0.0.4.91.20.0.1.61.6..0.0.8.31.82.12.10.0.0.0.4.24.22.32.32.02.00.0.0.0.7.63.70.0.12.52.510.15.61.41.05.71.80.0.0.0.4.40.5
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.
stablejusqu'à 20%47.34.37.35.25.33.728.52.126.06.238.74.687.512.40.0.6.41.128.74.417.93.929.44.416.415.712.94.416.22.842.38.225.94.415.84.365.06.24.51.20.0.41.22.91.30.625.39.453.84.422.00.7
21 à 40%38.54.241.610.055.99.328.22.141.07.236.64.712.512.47.35.018.41.820.53.938.35.039.84.825.421.529.66.422.73.447.68.325.84.235.05.625.75.815.12.018.06.727.22.713.41.931.19.632.14.225.50.8
41 à 60%12.02.815.77.528.18.522.82.023.06.116.73.50.0.32.99.237.92.234.34.630.34.822.24.00.0.16.15.031.03.710.14.833.94.826.45.29.34.025.62.519.36.619.62.436.42.739.710.310.92.826.20.8
61 à 80%1.51.019.78.05.33.716.41.77.73.86.12.20.0.34.19.327.22.013.73.311.33.47.52.541.823.632.76.420.93.30.0.10.33.013.74.10.0.27.72.538.58.18.41.633.42.73.93.92.51.417.80.7
81 à 100%0.70.711.56.55.43.83.80.90.0.1.91.40.0.22.28.26.91.22.81.62.11.51.11.116.415.76.83.57.52.10.0.4.12.04.42.50.0.19.22.221.57.13.61.111.71.80.0.0.70.76.50.4
plus de 100%0.0.4.24.20.0.0.20.22.32.30.0.0.0.3.53.43.20.80.0.0.0.0.0.0.0.1.91.91.71.00.0.0.0.4.72.60.0.7.91.52.72.70.0.3.91.10.0.0.0.2.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%49.63.37.05.08.13.926.81.530.94.942.43.387.512.43.92.25.50.826.83.424.52.930.13.96.04.311.23.119.52.441.66.630.03.810.22.666.74.63.60.81.51.542.12.32.80.731.79.253.93.222.90.5
21 à 40%34.63.140.49.856.07.924.91.534.75.231.23.212.512.44.42.516.51.425.83.435.23.441.54.314.66.823.94.623.62.741.36.625.73.532.84.125.34.313.11.510.93.924.12.011.11.431.78.730.73.023.40.6
41 à 60%12.52.215.27.228.47.223.01.523.14.514.82.50.0.29.75.633.71.832.13.625.63.119.53.423.97.526.54.726.62.917.15.029.53.731.54.08.12.726.72.016.24.619.31.932.92.133.49.010.42.024.60.6
61 à 80%2.61.022.18.13.72.618.01.47.42.77.21.80.0.44.26.029.91.712.42.513.22.47.32.231.27.830.14.920.92.60.0.10.42.413.33.10.0.27.62.041.75.911.01.534.62.13.33.34.21.318.90.5
81 à 100%0.80.611.16.33.82.65.00.82.61.93.31.30.0.13.84.19.61.12.41.21.50.90.90.911.05.36.32.67.81.70.0.4.51.76.62.20.0.19.41.823.95.33.20.814.21.60.0.0.80.57.30.3
plus de 100%0.0.4.14.10.0.2.30.51.31.31.10.80.0.3.92.24.80.80.60.60.0.0.70.713.36.51.81.31.60.80.0.0.0.5.62.10.0.9.61.35.82.90.40.34.50.90.0.0.0.2.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793758/260090
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%81.317.10.0.0.0.21.26.7..48.519.1..0.0.7.23.116.515.213.28.7..0.0.0.0.10.59.90.0.0.0.7.77.427.423.04.53.10.0.7.06.73.42.40.0.25.212.810.81.8
21 à 40%0.0.100.0.0.0.18.26.2..12.411.8..0.0.12.04.065.919.535.212.9..0.0.0.0.8.17.80.0.0.0.36.213.172.623.06.33.50.0.13.69.05.63.1100.0.31.613.414.82.0
41 à 60%0.0.0.0.100.0.18.86.4..0.0...32.219.122.85.217.615.821.711.2..21.219.444.230.045.215.1100.0.0.0.21.411.00.0.36.77.120.012.952.612.935.16.40.0.33.013.728.12.5
61 à 80%0.0.0.0.0.0.18.16.2..0.0...47.620.438.16.00.0.29.912.5..57.623.127.925.126.713.40.0.0.0.14.99.80.0.24.56.458.516.320.910.636.46.40.0.10.29.627.72.5
81 à 100%18.717.10.0.0.0.16.06.0..28.117.0..20.217.615.24.40.0.0.0...0.0.27.925.19.59.00.0.100.0.12.08.00.0.19.45.80.0.0.0.15.74.80.0.0.0.13.11.9
plus de 100%0.0.0.0.0.0.7.74.3..11.010.6..0.0.4.62.60.0.0.0...21.219.40.0.0.0.0.0.0.0.7.87.40.0.8.64.121.513.65.95.83.72.60.0.0.0.5.61.3
total100.0.100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%46.14.89.28.99.76.622.92.128.27.737.84.8100.0.6.23.53.91.028.25.221.94.429.47.00.0.9.83.917.73.143.113.526.35.910.23.664.86.92.40.84.53.139.03.52.00.929.412.448.75.218.70.7
21 à 40%31.84.531.513.462.711.122.72.132.78.029.54.60.0.2.42.413.31.825.55.139.85.439.67.611.88.024.16.020.03.443.113.525.65.826.75.330.36.810.91.76.83.919.02.99.51.824.310.831.04.820.20.8
41 à 60%18.43.79.28.915.38.821.72.125.07.416.93.70.0.28.06.831.82.531.75.416.44.015.15.839.211.432.46.629.33.913.99.322.45.434.95.84.93.324.52.414.75.218.82.927.62.840.013.513.03.524.00.8
61 à 80%2.81.625.013.14.14.020.52.110.75.29.52.90.0.50.97.330.42.410.53.519.64.410.64.519.99.026.36.218.53.30.0.20.15.37.83.40.0.31.62.633.16.916.72.736.53.06.36.26.32.522.00.8
81 à 100%0.90.915.910.88.25.78.61.43.53.43.91.90.0.8.34.012.71.82.81.92.31.63.03.013.87.66.03.49.62.50.0.5.63.29.93.60.0.18.82.134.37.25.51.718.72.40.0.1.01.010.20.6
plus de 100%0.0.9.28.90.0.3.61.00.0.2.31.70.0.4.22.98.01.41.31.30.0.2.32.215.38.31.31.35.01.80.0.0.0.10.53.80.0.11.71.76.63.71.10.85.71.40.0.0.0.4.90.4
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.
stablejusqu'à 20%52.24.55.35.37.14.929.82.233.86.245.35.086.713.13.33.26.01.126.54.726.94.332.04.717.611.814.95.320.73.742.27.732.54.810.03.973.35.95.31.53.23.245.83.03.11.132.312.759.34.225.90.8
21 à 40%38.04.447.413.352.210.627.12.237.16.533.84.813.313.17.45.121.42.023.64.533.94.641.85.032.514.827.27.026.64.141.87.726.04.340.76.215.64.918.52.618.87.728.52.715.32.242.913.030.53.926.70.8
41 à 60%7.42.420.110.837.210.124.22.120.45.314.53.50.0.33.79.136.92.332.35.033.34.620.54.017.611.817.46.026.84.216.05.734.14.828.65.711.14.329.03.121.88.118.02.337.03.024.810.87.32.225.60.8
61 à 80%2.41.419.810.23.53.515.81.84.92.84.62.00.0.31.38.826.02.114.33.65.12.25.72.325.313.333.57.520.03.80.0.4.42.019.15.00.0.22.62.847.39.66.41.531.72.90.0.2.21.315.50.7
81 à 100%0.0.7.47.20.0.2.40.81.91.91.81.20.0.20.97.56.91.23.31.91.01.00.0.7.17.14.73.44.82.10.0.2.91.70.0.0.0.18.02.68.85.81.40.79.31.80.0.0.70.64.70.4
plus de 100%0.0.0.0.0.0.0.70.41.91.90.0.0.0.3.43.32.70.80.0.0.0.0.0.0.0.2.42.41.01.00.0.0.0.1.71.60.0.6.61.60.0.0.0.3.61.20.0.0.0.1.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.03.26.84.98.13.926.31.531.64.841.73.289.510.54.72.35.20.826.93.423.92.931.33.95.23.811.73.118.72.341.66.630.03.79.92.467.54.53.60.83.62.042.02.22.60.729.68.753.73.221.80.5
21 à 40%34.43.142.79.756.07.924.71.535.45.130.93.210.510.54.02.317.31.325.93.436.43.441.14.216.16.724.84.522.32.641.36.625.73.433.53.924.64.213.31.410.13.424.42.011.71.336.28.630.73.023.10.5
41 à 60%12.32.114.67.028.47.222.81.422.14.415.12.40.0.30.35.333.71.631.53.625.43.119.03.330.07.926.34.528.92.817.15.029.63.730.93.87.92.627.11.817.74.219.41.832.62.031.28.510.72.025.00.6
61 à 80%2.51.021.37.93.72.618.11.37.12.66.91.70.0.43.75.628.71.512.12.512.92.37.12.127.37.329.44.719.52.50.0.10.22.413.32.90.0.27.81.840.65.310.71.434.32.03.13.14.11.319.10.5
81 à 100%0.80.610.76.13.82.65.80.82.51.83.81.30.0.13.73.810.01.03.01.31.50.80.90.99.74.76.02.57.51.60.0.4.41.75.91.90.0.18.61.622.04.62.90.814.11.50.0.0.70.57.60.3
plus de 100%0.0.3.93.90.0.2.30.51.21.21.60.90.0.3.62.05.10.70.60.60.0.0.70.711.75.71.71.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.34.60.90.0.0.0.3.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793759/260091
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%81.317.10.0.0.0.22.86.7..48.519.1..0.0.6.72.916.515.213.28.7..0.0.22.219.39.59.10.0.0.0.7.77.427.423.04.22.90.0.7.06.73.12.20.0.23.312.010.71.7
21 à 40%0.0.100.0.0.0.17.36.0..12.411.8..0.0.11.23.765.919.535.212.9..0.0.0.0.7.37.10.0.0.0.36.213.172.623.05.93.30.0.13.69.05.12.9100.0.36.613.414.21.9
41 à 60%0.0.0.0.100.0.17.96.1..0.0...32.219.122.65.017.615.821.711.2..18.417.047.722.640.914.3100.0.0.0.21.411.00.0.36.76.918.211.852.612.934.06.00.0.30.612.927.62.4
61 à 80%0.0.0.0.0.0.19.76.3..0.0...47.620.435.45.70.0.29.912.5..63.120.715.114.424.212.40.0.0.0.14.99.80.0.26.96.462.315.220.910.635.06.10.0.9.48.927.62.4
81 à 100%18.717.10.0.0.0.15.25.7..28.117.0..20.217.617.04.50.0.0.0...0.0.15.114.48.68.20.0.100.0.12.08.00.0.18.25.50.0.0.0.16.24.70.0.0.0.13.21.8
plus de 100%0.0.0.0.0.0.7.34.1..11.010.6..0.0.7.13.00.0.0.0...18.417.00.0.9.59.10.0.0.0.7.87.40.0.8.13.919.612.55.95.86.63.20.0.0.0.6.71.4
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 moindriejusqu'à 20%46.14.89.28.99.36.322.92.127.57.637.84.8100.0.5.63.13.60.927.95.221.44.331.17.10.0.9.43.816.52.943.113.525.95.910.03.665.76.92.60.84.22.938.73.51.90.829.412.448.35.218.30.7
21 à 40%31.84.531.513.464.210.722.72.131.97.929.54.60.0.4.32.913.11.726.55.138.85.338.67.511.88.023.15.820.83.443.113.526.85.826.25.229.56.710.51.68.64.218.62.910.51.924.310.831.64.820.10.8
41 à 60%18.43.79.28.914.68.421.42.126.87.416.93.70.0.27.06.331.42.431.35.317.24.114.85.739.211.431.16.429.33.813.99.322.05.334.35.84.83.324.42.315.75.118.92.828.42.740.013.512.93.524.00.8
61 à 80%2.81.625.013.13.93.920.62.010.45.19.52.90.0.49.67.030.42.310.43.520.34.410.34.419.99.029.36.319.23.30.0.19.85.37.73.30.0.31.32.533.06.716.82.735.32.96.36.26.22.522.20.8
81 à 100%0.90.915.910.87.95.58.61.43.43.33.91.90.0.7.53.612.91.72.71.92.31.62.92.913.87.65.83.39.62.40.0.5.53.111.43.80.0.19.22.132.36.85.41.718.12.30.0.1.01.010.30.6
plus de 100%0.0.9.28.90.0.3.81.00.0.2.31.70.0.6.13.58.51.41.31.30.0.2.22.215.38.31.31.34.61.70.0.0.0.10.33.70.0.12.01.76.33.51.60.95.81.40.0.0.0.5.10.4
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.
stablejusqu'à 20%52.24.55.35.36.84.729.62.233.36.244.44.986.713.13.13.05.91.126.24.626.94.332.84.717.611.813.95.020.03.641.37.633.34.811.34.073.35.95.81.53.23.245.72.94.01.229.811.958.34.125.60.8
21 à 40%38.04.447.413.353.810.527.72.238.06.535.24.813.313.110.55.821.11.924.34.633.94.641.35.032.514.827.86.826.44.143.07.625.74.239.56.115.64.917.42.518.87.729.02.715.12.147.412.331.03.926.70.8
41 à 60%7.42.420.110.835.99.924.22.120.15.214.23.40.0.31.48.737.82.332.04.933.34.620.33.917.611.818.65.927.74.215.75.633.74.827.75.511.14.328.22.921.88.117.72.336.62.922.910.07.82.325.70.8
61 à 80%2.41.419.810.23.43.415.21.74.82.84.62.00.0.29.38.425.32.014.23.65.12.25.62.325.313.331.47.120.23.80.0.4.31.918.64.90.0.22.92.747.39.66.31.431.52.80.0.2.21.215.50.6
81 à 100%0.0.7.47.20.0.2.30.71.91.91.71.20.0.22.67.57.21.23.31.91.01.00.0.7.17.15.93.54.72.10.0.2.91.71.31.30.0.18.22.58.85.81.40.79.11.70.0.0.60.64.90.4
plus de 100%0.0.0.0.0.0.0.90.41.91.90.0.0.0.3.13.12.60.70.0.0.0.0.0.0.0.2.32.31.01.00.0.0.0.1.61.60.0.7.51.70.0.0.0.3.81.20.0.0.0.1.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.03.26.84.97.83.726.21.531.14.741.33.289.510.54.32.15.00.726.63.423.62.932.33.95.13.711.93.017.72.241.06.530.43.710.32.567.94.53.90.83.41.941.82.23.00.728.48.452.83.121.50.5
21 à 40%34.43.142.79.757.67.725.01.535.75.031.63.210.510.56.22.717.01.226.73.436.03.440.54.215.86.524.14.322.62.542.26.626.03.432.93.824.44.212.71.310.93.524.62.012.01.338.78.531.53.023.10.5
41 à 60%12.32.114.67.027.47.022.71.422.64.315.02.40.0.28.95.034.01.631.23.625.73.118.73.329.37.726.54.329.22.816.85.029.23.730.33.77.82.626.71.817.94.119.21.832.71.930.08.210.92.025.10.6
61 à 80%2.51.021.37.93.62.517.91.37.02.66.81.70.0.42.45.428.21.512.02.413.22.47.02.129.07.329.64.519.82.40.0.10.12.413.12.80.0.27.91.840.95.210.71.433.61.93.02.94.01.319.20.5
81 à 100%0.80.610.76.13.62.65.80.82.51.73.81.30.0.13.63.710.41.02.91.31.40.80.90.99.54.66.32.47.51.60.0.4.31.67.12.10.0.18.81.521.14.52.90.813.81.40.0.0.70.57.80.3
plus de 100%0.0.3.93.90.0.2.50.51.21.21.60.90.0.4.62.35.40.70.60.60.0.0.60.611.45.61.61.23.31.10.0.0.0.6.32.10.0.10.11.25.82.50.80.44.90.90.0.0.0.3.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793760/260092
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%57.214.3..0.0.12.15.116.615.337.114.2..0.0.4.12.857.313.348.28.734.127.80.0.12.011.326.88.80.0.33.213.60.0.75.415.00.0.0.0.59.99.012.05.636.529.352.110.526.52.3
21 à 40%16.610.7..0.0.9.64.633.419.614.69.6..0.0.10.44.421.811.233.68.231.926.40.0.12.812.120.48.240.834.217.511.224.414.724.615.06.36.113.512.823.27.72.92.963.529.325.79.216.51.9
41 à 60%17.611.2..100.0.31.27.233.419.69.18.6..22.914.339.37.120.910.89.05.00.0.43.414.925.615.632.79.559.234.218.910.156.016.70.0.34.612.540.518.510.75.832.38.00.0.18.18.126.22.3
61 à 80%0.0...0.0.23.76.616.615.37.37.1..55.816.837.87.00.0.9.15.10.0.15.010.049.617.912.26.60.0.15.710.30.0.0.0.25.311.117.115.33.03.023.47.30.0.4.14.017.11.9
81 à 100%8.68.3..0.0.16.35.70.0.24.712.5..0.0.6.23.50.0.0.0.0.0.9.59.00.0.7.95.40.0.14.89.919.712.60.0.27.611.813.512.83.33.223.47.30.0.0.0.9.41.5
plus de 100%0.0...0.0.7.03.90.0.7.37.1..21.313.62.12.10.0.0.0.34.127.832.213.90.0.0.0.0.0.0.0.0.0.0.0.6.26.015.313.90.0.6.04.10.0.0.0.4.31.1
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%52.95.00.0.21.411.124.52.240.38.042.45.1..8.23.93.51.014.44.826.74.529.18.24.44.410.75.322.84.646.911.036.76.85.43.068.56.93.61.27.44.140.73.84.21.452.325.654.85.122.10.8
21 à 40%30.54.637.229.355.814.122.12.123.77.128.74.6..4.73.312.51.938.56.631.44.856.38.819.18.717.86.729.15.121.38.631.06.527.55.822.66.29.31.92.42.420.63.18.91.947.725.629.44.720.30.8
41 à 60%11.73.20.0.22.812.221.72.124.76.916.43.8..28.56.827.02.527.16.026.84.68.64.821.18.745.48.718.14.431.710.323.46.037.06.38.94.327.92.97.54.320.13.027.43.00.0.8.62.922.80.9
61 à 80%3.91.925.623.10.0.18.42.05.13.57.22.6..45.07.432.82.712.64.414.13.66.04.140.510.317.66.720.14.50.0.7.33.614.54.80.0.29.02.953.97.815.62.837.53.30.0.6.22.521.10.9
81 à 100%1.01.037.229.30.0.8.61.46.34.33.01.7..13.74.715.02.03.82.71.11.10.0.11.46.36.44.48.53.10.0.1.61.66.93.40.0.18.42.521.36.61.91.115.52.40.0.1.01.09.00.6
plus de 100%0.0.0.0.0.0.4.61.10.0.2.31.6..0.0.9.21.73.62.50.0.0.0.3.53.52.12.11.41.40.0.0.0.8.83.80.0.11.82.17.44.11.20.86.51.70.0.0.0.4.70.4
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.
stablejusqu'à 20%49.44.15.84.27.84.427.11.927.55.736.24.190.59.53.33.26.21.030.24.220.93.830.24.113.412.914.34.315.82.545.38.225.83.912.83.466.05.73.70.90.0.39.72.61.00.522.38.454.24.121.00.6
21 à 40%37.34.042.69.052.08.727.81.942.26.737.34.39.59.512.55.319.41.619.53.739.34.639.54.439.820.628.15.722.53.044.28.026.74.037.34.926.05.415.31.816.05.628.72.414.01.726.38.531.83.925.30.7
41 à 60%11.42.618.57.127.27.723.31.821.65.618.63.40.0.28.17.437.91.933.84.427.44.220.93.60.0.16.64.631.93.310.65.133.24.427.24.58.03.425.72.119.45.818.62.135.22.443.69.810.72.626.20.7
61 à 80%1.30.920.47.58.34.817.11.66.83.46.22.10.0.37.68.125.01.714.03.210.72.97.72.433.320.333.75.818.62.80.0.10.82.814.33.60.0.27.82.239.57.18.51.533.42.47.85.52.71.418.10.6
81 à 100%0.60.69.35.34.73.34.10.90.0.1.61.20.0.16.16.28.01.12.51.41.71.20.90.913.412.95.72.97.81.90.0.3.51.83.11.80.0.18.51.923.16.34.11.112.21.60.0.0.60.66.90.4
plus de 100%0.0.3.43.40.0.0.50.31.91.90.0.0.0.2.42.43.60.70.0.0.0.0.80.80.0.1.61.63.41.30.0.0.0.5.32.30.0.9.01.41.91.90.50.44.31.00.0.0.0.2.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%51.13.15.33.811.24.325.41.431.84.638.83.090.59.55.42.45.20.727.63.326.92.830.03.64.43.112.93.218.52.244.26.429.33.39.52.367.74.23.60.73.21.941.12.12.60.626.77.954.23.021.70.5
21 à 40%33.72.942.18.652.17.424.71.434.74.832.63.19.59.57.52.816.81.225.23.235.43.142.73.916.36.123.54.224.12.436.16.027.23.333.23.624.63.913.01.39.93.225.91.911.71.331.97.830.42.823.10.5
41 à 60%11.82.017.06.527.36.623.01.423.44.317.22.40.0.27.84.834.61.530.93.424.72.818.03.024.86.926.64.328.42.619.75.229.53.432.13.57.72.426.71.715.73.718.61.732.51.835.18.310.51.925.00.5
61 à 80%2.30.920.87.26.03.517.91.26.62.56.71.60.0.42.95.228.01.412.52.411.82.07.22.131.87.429.84.518.52.20.0.10.22.213.62.70.0.28.21.744.25.010.41.334.21.96.34.44.11.219.10.5
81 à 100%1.10.711.65.63.42.46.40.82.41.73.41.20.0.13.53.510.11.02.71.21.20.70.70.711.14.85.52.28.01.60.0.3.81.55.31.70.0.18.61.521.74.33.30.813.91.40.0.0.70.57.70.3
plus de 100%0.0.3.23.20.0.2.40.51.11.11.30.80.0.2.91.65.30.71.10.70.0.1.20.911.65.11.61.22.60.90.0.0.0.6.21.90.0.9.91.15.32.30.70.45.10.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793761/260093
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critiquejusqu'à 20%62.614.7..0.0.12.05.616.515.223.914.4..0.0.2.62.554.113.946.910.033.427.50.0.11.811.228.89.30.0.33.513.70.0.74.215.60.0.0.0.55.99.610.45.738.030.149.910.825.62.4
21 à 40%18.611.8..0.0.9.25.133.519.717.011.1..0.0.9.74.623.311.936.59.733.227.00.0.12.912.217.78.150.035.918.011.527.916.425.815.66.66.413.212.625.48.33.33.362.030.127.09.617.12.1
41 à 60%18.912.0..100.0.36.28.433.519.711.911.2..12.712.038.67.622.711.64.03.90.0.51.216.425.815.731.99.950.035.918.29.850.517.90.0.36.713.139.718.411.96.436.68.80.0.18.98.426.82.5
61 à 80%0.0...0.0.23.97.416.515.28.58.2..62.317.441.97.70.0.12.56.80.0.7.57.249.417.913.27.10.0.15.610.30.0.0.0.27.111.718.216.03.33.223.27.70.0.4.24.117.82.1
81 à 100%0.0...0.0.12.45.80.0.30.214.8..0.0.4.83.30.0.0.0.0.0.10.610.10.0.8.55.80.0.14.79.921.613.70.0.22.811.613.212.63.53.523.07.70.0.0.0.8.51.6
plus de 100%0.0...0.0.6.24.30.0.8.58.2..25.015.62.42.40.0.0.0.33.427.530.615.20.0.0.0.0.0.0.0.0.0.0.0.6.86.615.614.20.0.3.63.50.0.0.0.4.11.1
total100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%50.85.30.0.15.510.225.32.441.38.448.25.4..9.24.33.61.114.45.124.44.635.29.45.95.87.94.624.45.245.211.937.87.53.72.669.57.32.71.18.94.942.04.04.31.552.325.655.05.222.60.9
21 à 40%31.44.90.0.60.214.622.12.325.47.525.94.7..2.92.913.12.137.87.033.15.248.19.718.19.416.46.926.05.427.410.728.66.929.26.222.86.710.42.10.0.17.53.19.72.247.725.629.64.820.20.9
41 à 60%12.23.40.0.24.313.121.32.221.36.812.13.5..30.27.526.32.729.06.526.24.89.85.526.610.646.89.317.14.827.410.723.16.636.26.57.74.328.93.19.45.319.93.326.03.20.0.7.82.822.40.9
61 à 80%4.52.2100.0.0.0.19.32.25.53.97.92.9..45.98.033.22.912.44.815.14.06.94.737.210.919.67.421.65.20.0.8.64.214.15.00.0.28.43.150.18.717.13.137.43.50.0.6.62.621.40.9
81 à 100%1.11.10.0.0.0.7.41.46.54.53.21.8..11.84.714.82.24.33.01.21.20.0.8.15.47.04.89.03.60.0.1.91.97.23.50.0.17.82.622.87.62.11.216.22.70.0.1.01.08.70.6
plus de 100%0.0.0.0.0.0.4.71.20.0.2.71.9..0.0.8.91.72.12.10.0.0.0.4.04.02.22.21.81.80.0.0.0.9.64.10.0.11.92.28.94.91.30.96.41.80.0.0.0.4.70.5
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.
stablejusqu'à 20%48.54.37.05.05.33.727.92.126.56.038.24.589.510.50.0.6.21.029.14.317.33.830.34.313.112.613.84.415.22.642.38.226.54.414.63.965.06.24.21.00.0.40.72.81.10.625.39.453.44.421.10.7
21 à 40%37.64.243.99.955.99.327.62.142.57.036.14.610.510.56.44.419.81.721.03.939.35.039.74.740.520.831.26.321.53.147.68.325.64.236.75.225.75.815.21.817.56.027.72.613.51.831.19.632.14.225.30.7
41 à 60%11.82.715.17.228.18.522.91.921.65.817.93.60.0.34.88.736.92.033.74.630.44.721.63.90.0.15.14.733.03.610.14.833.64.825.84.89.34.025.82.220.66.119.82.335.82.539.710.311.42.826.30.7
61 à 80%1.51.019.07.85.33.716.81.77.23.65.92.20.0.36.38.825.61.813.53.311.03.37.42.433.320.531.86.119.53.00.0.10.22.914.03.80.0.27.52.336.77.38.31.633.62.53.93.92.41.418.00.6
81 à 100%0.70.711.06.35.43.84.30.90.0.1.91.30.0.19.57.38.01.12.71.62.11.41.11.113.112.66.43.26.81.90.0.4.12.03.72.10.0.18.82.022.96.63.21.012.31.70.0.0.70.77.00.4
plus de 100%0.0.4.04.00.0.0.40.32.12.10.0.0.0.3.03.03.40.80.0.0.0.0.0.0.0.1.81.83.91.50.0.0.0.5.22.50.0.8.51.42.32.30.30.33.71.00.0.0.0.2.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%50.03.26.84.98.13.926.31.531.64.841.73.289.510.54.72.35.20.826.93.423.92.931.33.95.23.811.73.118.72.341.66.630.03.79.92.467.54.53.60.83.62.042.02.22.60.729.68.753.73.221.80.5
21 à 40%34.43.142.79.756.07.924.71.535.45.130.93.210.510.54.02.317.31.325.93.436.43.441.14.216.16.724.84.522.32.641.36.625.73.433.53.924.64.213.31.410.13.424.42.011.71.336.28.630.73.023.10.5
41 à 60%12.32.114.67.028.47.222.81.422.14.415.12.40.0.30.35.333.71.631.53.625.43.119.03.330.07.926.34.528.92.817.15.029.63.730.93.87.92.627.11.817.74.219.41.832.62.031.28.510.72.025.00.6
61 à 80%2.51.021.37.93.72.618.11.37.12.66.91.70.0.43.75.628.71.512.12.512.92.37.12.127.37.329.44.719.52.50.0.10.22.413.32.90.0.27.81.840.65.310.71.434.32.03.13.14.11.319.10.5
81 à 100%0.80.610.76.13.82.65.80.82.51.83.81.30.0.13.73.810.01.03.01.31.50.80.90.99.74.76.02.57.51.60.0.4.41.75.91.90.0.18.61.622.04.62.90.814.11.50.0.0.70.57.60.3
plus de 100%0.0.3.93.90.0.2.30.51.21.21.60.90.0.3.62.05.10.70.60.60.0.0.70.711.75.71.71.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.34.60.90.0.0.0.3.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793762/260094
IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%47.95.48.43.613.15.00.0.0.0.7.85.319.32.4
21 à 40%33.35.123.15.433.56.931.28.221.27.728.59.129.22.7
41 à 60%15.33.934.16.126.26.540.78.750.59.524.38.628.62.7
61 à 80%2.31.629.65.918.85.721.87.317.97.319.98.016.52.2
81 à 100%1.31.23.22.36.33.56.34.310.45.711.86.45.01.3
plus de 100%0.0.1.51.52.02.00.0.0.0.7.75.31.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critiquejusqu'à 20%61.44.67.93.49.04.30.0.6.13.44.74.624.42.3
21 à 40%20.63.823.65.315.35.35.53.813.94.98.45.716.92.1
41 à 60%14.53.323.35.331.26.741.68.025.76.221.98.723.82.3
61 à 80%3.51.734.05.930.76.829.87.539.87.022.38.823.02.3
81 à 100%0.0.9.53.711.54.815.05.710.44.421.38.58.21.5
plus de 100%0.0.1.61.62.32.38.14.54.22.921.38.53.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%48.11.610.51.48.11.65.31.64.61.23.21.021.70.8
21 à 40%27.31.525.42.022.32.48.42.013.12.09.11.620.90.8
41 à 60%17.21.327.42.027.02.631.33.335.42.823.12.424.40.9
61 à 80%6.00.824.11.925.62.534.83.431.42.729.72.620.10.8
81 à 100%1.30.48.31.212.01.916.02.610.81.820.42.38.60.6
plus de 100%0.10.14.30.95.01.34.11.44.71.214.42.04.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%45.81.612.71.811.02.11.90.88.31.73.21.023.80.8
21 à 40%32.51.527.92.530.53.112.62.124.22.616.72.226.70.9
41 à 60%15.21.130.02.527.83.032.22.936.33.029.72.724.40.9
61 à 80%5.20.720.22.220.22.735.73.022.02.530.22.716.90.8
81 à 100%1.00.37.01.48.81.912.92.16.61.514.72.16.10.5
plus de 100%0.30.22.10.81.70.94.71.32.61.05.61.42.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.71.111.01.09.61.22.90.76.10.93.40.722.70.5
21 à 40%29.71.026.01.425.61.811.71.418.11.513.21.323.60.6
41 à 60%16.00.828.51.527.51.833.12.135.71.926.11.724.60.6
61 à 80%5.30.523.71.423.51.734.12.127.61.829.31.818.70.5
81 à 100%1.10.27.60.910.31.213.81.59.01.117.61.57.30.3
plus de 100%0.20.13.20.63.40.74.40.93.60.710.51.23.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793763/260095
IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%51.94.012.73.18.92.82.71.95.33.04.53.120.41.7
21 à 40%31.93.722.53.835.84.724.45.017.55.022.26.227.41.9
41 à 60%11.92.636.54.427.24.435.65.647.56.620.06.027.41.9
61 à 80%2.51.220.83.721.44.027.75.221.05.433.37.017.61.6
81 à 100%1.91.15.02.05.72.38.33.27.03.413.45.15.61.0
plus de 100%0.0.2.41.40.90.91.31.31.71.76.63.71.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
critiquejusqu'à 20%60.23.77.12.29.63.01.41.34.52.03.92.720.51.6
21 à 40%21.33.116.73.121.04.29.33.413.63.33.92.716.21.4
41 à 60%14.02.627.13.724.64.434.55.532.94.517.75.324.31.7
61 à 80%4.01.534.94.026.64.632.25.431.44.533.46.624.21.7
81 à 100%0.0.12.82.810.93.214.54.113.93.321.65.810.11.2
plus de 100%0.50.51.41.07.32.78.23.23.71.819.65.64.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%48.31.210.00.98.11.14.61.15.00.93.40.721.80.6
21 à 40%26.81.024.61.423.21.77.81.412.61.47.81.020.40.6
41 à 60%16.50.927.61.428.11.830.62.534.31.923.91.724.20.6
61 à 80%6.50.622.51.323.41.738.12.633.01.930.21.820.20.6
81 à 100%1.50.311.01.012.61.414.41.911.31.320.71.69.30.4
plus de 100%0.40.24.30.64.60.94.61.13.90.813.91.44.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%46.61.113.21.312.71.62.30.77.51.25.00.924.80.6
21 à 40%31.51.028.71.827.42.211.91.422.31.816.11.525.80.6
41 à 60%15.30.830.11.827.92.234.42.137.32.124.61.824.10.6
61 à 80%5.30.519.61.522.52.032.32.123.91.933.32.017.10.5
81 à 100%1.00.26.10.97.11.313.81.56.41.115.41.55.90.3
plus de 100%0.40.12.40.62.40.85.21.02.50.75.71.02.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%48.10.811.10.79.90.93.10.56.00.74.10.523.00.4
21 à 40%29.00.725.31.025.61.311.21.016.91.011.70.922.80.4
41 à 60%15.70.629.01.027.71.333.11.536.01.323.81.224.30.4
61 à 80%5.60.422.30.923.21.234.01.528.61.331.81.319.00.4
81 à 100%1.20.29.10.710.00.913.61.19.40.818.21.17.70.2
plus de 100%0.40.13.30.43.70.55.00.73.20.510.30.83.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793764/260096
IFN2
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%57.318.714.49.49.96.60.0.0.0.0.0.12.44.1
21 à 40%0.0.7.26.919.88.911.610.99.59.00.0.10.83.8
41 à 60%42.718.742.813.219.88.954.516.745.315.10.0.35.25.9
61 à 80%0.0.28.412.135.210.711.610.945.315.1100.0.32.25.8
81 à 100%0.0.7.27.015.48.122.313.90.0.0.0.9.43.6
plus de 100%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.
critiquejusqu'à 20%58.45.96.82.79.13.64.12.81.51.52.12.115.01.8
21 à 40%21.54.916.84.016.84.64.53.110.03.912.94.914.61.8
41 à 60%11.53.824.84.622.25.130.46.631.46.019.65.923.02.2
61 à 80%7.23.134.15.132.05.830.56.636.56.330.66.828.32.3
81 à 100%1.41.411.73.513.54.224.16.115.24.719.85.913.21.7
plus de 100%0.0.5.82.56.33.16.53.65.43.015.05.35.91.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%49.91.79.01.410.21.81.70.85.41.31.90.821.20.8
21 à 40%24.01.522.92.021.82.49.72.015.82.18.91.719.40.8
41 à 60%16.81.327.72.129.62.731.33.035.52.827.72.725.50.9
61 à 80%7.40.927.52.124.12.538.13.231.22.730.62.822.00.8
81 à 100%1.50.48.91.310.51.815.02.48.41.619.12.48.30.6
plus de 100%0.40.23.90.93.91.14.31.33.71.111.82.03.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%44.91.414.71.98.31.93.91.48.91.84.51.225.70.8
21 à 40%34.21.431.62.535.53.414.12.422.52.715.72.128.90.9
41 à 60%16.11.129.72.427.23.134.23.336.03.126.72.623.70.8
61 à 80%3.90.617.92.019.72.832.73.221.02.628.42.614.30.7
81 à 100%0.80.34.71.17.71.910.72.18.81.817.02.25.50.4
plus de 100%0.10.11.30.61.50.94.41.42.91.17.61.51.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21 à 40%29.71.025.51.425.91.811.11.417.81.612.41.323.40.6
41 à 60%16.30.828.51.527.61.832.92.135.51.926.41.824.60.6
61 à 80%5.40.524.41.423.91.834.62.127.81.830.01.818.90.5
81 à 100%1.10.27.50.910.01.314.21.69.11.218.01.57.30.4
plus de 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 10.06.2020 #793765/260097
IFN2
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%57.318.714.49.49.46.30.0.0.0.0.0.11.93.9
21 à 40%0.0.7.26.923.59.220.012.78.68.30.0.13.14.1
41 à 60%42.718.742.813.218.98.549.315.950.014.50.0.35.25.8
61 à 80%0.0.28.412.133.610.310.59.941.414.3100.0.30.85.6
81 à 100%0.0.7.27.014.67.820.212.80.0.0.0.9.03.5
plus de 100%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.
critiquejusqu'à 20%58.85.87.82.88.23.24.12.84.02.31.91.815.21.8
21 à 40%20.64.717.34.015.14.24.53.113.14.113.34.714.81.8
41 à 60%12.33.924.04.525.75.130.46.631.35.621.35.723.82.1
61 à 80%6.93.034.05.031.65.530.56.632.45.729.06.327.42.2
81 à 100%1.31.311.33.412.13.824.16.114.54.317.55.312.51.6
plus de 100%0.0.5.62.47.23.16.53.64.62.617.15.26.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%50.21.79.51.311.41.81.60.84.91.22.10.820.90.8
21 à 40%24.21.523.71.920.52.39.51.915.52.09.21.719.30.8
41 à 60%16.51.327.62.030.02.631.93.036.92.727.12.625.80.9
61 à 80%7.20.926.42.023.12.438.13.130.82.630.72.721.90.8
81 à 100%1.40.49.21.310.31.715.02.38.21.518.82.38.40.5
plus de 100%0.30.23.70.94.61.24.01.23.61.012.11.93.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%45.61.414.31.88.81.94.01.38.61.74.81.225.50.8
21 à 40%34.21.331.82.434.93.214.22.323.72.617.22.129.00.9
41 à 60%15.51.030.62.327.63.034.33.136.42.926.62.423.90.8
61 à 80%3.80.517.41.919.02.632.33.119.92.427.32.414.10.7
81 à 100%0.80.34.61.18.21.911.22.18.81.716.02.05.60.4
plus de 100%0.10.11.20.61.40.84.01.32.50.97.91.51.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.91.111.31.010.11.22.80.76.20.93.40.722.60.5
21 à 40%29.81.026.11.425.11.711.31.418.51.513.41.323.50.6
41 à 60%15.90.828.71.428.31.833.12.036.41.826.31.724.90.6
61 à 80%5.20.523.51.423.01.734.32.126.71.729.31.718.70.5
81 à 100%1.10.27.50.89.91.214.31.58.91.117.31.47.30.3
plus de 100%0.20.12.80.53.60.74.20.93.20.710.41.23.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793766/260098
IFN2
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN2
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 peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%57.418.713.58.97.45.00.0.0.0.0.0.10.63.5
21 à 40%0.0.6.76.522.38.027.313.58.07.70.0.14.34.0
41 à 60%42.618.739.912.722.28.044.915.046.013.90.0.33.85.4
61 à 80%0.0.33.212.233.49.19.48.946.013.9100.0.32.35.3
81 à 100%0.0.6.86.514.76.818.411.70.0.0.0.9.03.3
plus de 100%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.
critiquejusqu'à 20%59.75.56.92.57.42.95.02.83.31.91.81.814.61.6
21 à 40%20.24.517.13.715.04.07.03.413.43.813.04.614.81.7
41 à 60%11.43.625.04.325.24.830.46.029.45.020.85.623.72.0
61 à 80%7.53.033.54.631.55.130.56.034.55.230.36.328.12.1
81 à 100%1.21.211.73.214.53.920.15.215.64.017.45.312.81.6
plus de 100%0.0.5.82.36.42.87.03.43.82.216.75.16.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%50.11.69.91.311.31.72.20.94.91.11.80.721.00.7
21 à 40%24.91.424.01.821.22.28.81.716.01.98.51.519.60.7
41 à 60%16.21.227.51.929.52.431.22.836.22.527.22.525.50.8
61 à 80%7.20.825.51.923.62.238.52.930.12.432.12.621.90.8
81 à 100%1.30.49.81.39.61.614.92.28.51.418.72.18.30.5
plus de 100%0.30.23.40.84.81.14.41.24.31.111.61.83.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%45.81.313.91.79.11.84.21.27.91.54.31.025.30.8
21 à 40%33.71.331.82.233.62.914.92.224.12.516.81.928.70.8
41 à 60%15.81.030.22.228.82.832.82.937.62.827.62.324.20.8
61 à 80%3.80.518.21.819.32.432.92.919.32.228.22.314.40.6
81 à 100%0.90.24.81.06.91.611.31.98.81.615.51.95.50.4
plus de 100%0.10.11.10.52.30.93.91.22.30.97.51.41.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%48.01.011.21.09.91.13.30.75.80.83.00.622.40.5
21 à 40%29.70.926.21.325.01.611.61.318.81.412.91.223.50.5
41 à 60%15.90.728.51.428.51.732.11.936.21.726.81.624.80.5
61 à 80%5.20.523.51.323.31.634.81.926.61.630.41.718.90.5
81 à 100%1.00.27.90.89.41.113.91.49.21.017.01.47.30.3
plus de 100%0.20.12.70.53.90.74.30.83.40.79.91.13.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793767/260099
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
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
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
critiquejusqu'à 20%52.64.39.64.10.0.11.16.14.94.80.0.27.72.6
21 à 40%23.13.616.55.121.57.20.0.9.06.15.65.417.42.2
41 à 60%16.43.225.75.938.28.435.59.145.010.618.19.524.82.5
61 à 80%5.72.025.96.020.26.924.98.232.010.047.712.217.52.2
81 à 100%1.51.011.34.314.46.024.78.29.06.117.79.38.61.6
plus de 100%0.70.710.94.25.84.03.83.80.0.11.07.44.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%52.91.97.31.39.02.14.41.64.61.51.80.923.40.9
21 à 40%27.01.722.42.123.03.18.42.216.52.88.01.820.60.9
41 à 60%14.11.328.92.323.13.125.33.525.73.327.13.021.91.0
61 à 80%4.80.828.02.329.83.438.83.930.13.432.03.121.10.9
81 à 100%0.90.48.21.410.72.317.43.017.02.817.62.68.50.6
plus de 100%0.30.25.21.14.31.55.71.86.11.813.52.34.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%43.71.414.31.610.51.61.30.67.21.34.11.022.00.7
21 à 40%31.81.329.02.127.82.413.41.918.91.915.31.925.50.8
41 à 60%17.51.128.42.128.92.436.42.739.42.426.42.326.10.8
61 à 80%5.60.721.31.921.22.233.42.726.62.228.12.317.80.7
81 à 100%1.20.36.51.19.31.511.71.85.51.118.32.06.50.4
plus de 100%0.10.10.40.32.40.83.91.12.40.87.91.42.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21 à 40%29.71.025.51.425.91.811.11.417.81.612.41.323.40.6
41 à 60%16.30.828.51.527.61.832.92.135.51.926.41.824.60.6
61 à 80%5.40.524.41.423.91.834.62.127.81.830.01.818.90.5
81 à 100%1.10.27.50.910.01.314.21.69.11.218.01.57.30.4
plus de 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793768/260100
IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région économique
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1983/85
région économique
ouest du Juraest du Juraouest du Plateaucentre du Plateauest du Plateauouest des Préalpescentre des Préalpesest des Préalpesnord-ouest des Alpescentre des Alpesnord-est des Alpessud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationjusqu'à 20%24.88.142.413.385.713.373.313.456.011.70.0.12.76.916.28.66.26.014.513.30.0.0.0.0.0.0.0.19.32.6
21 à 40%28.18.543.913.414.313.326.713.438.011.445.013.012.86.951.011.411.37.514.813.820.212.828.09.024.19.428.310.728.63.0
41 à 60%39.79.36.96.70.0.0.0.6.05.816.79.036.610.222.69.947.512.214.813.827.113.740.49.948.210.922.29.827.52.9
61 à 80%3.53.46.96.70.0.0.0.0.0.26.211.333.99.910.36.935.011.614.813.843.816.023.68.518.88.522.39.817.62.5
81 à 100%3.93.80.0.0.0.0.0.0.0.12.28.30.0.0.0.0.0.28.017.18.98.68.15.58.96.016.58.75.41.5
plus de 100%0.0.0.0.0.0.0.0.0.0.0.0.4.04.00.0.0.0.13.312.40.0.0.0.0.0.10.87.21.60.8
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.
critiquejusqu'à 20%28.59.210.810.391.68.173.78.075.77.115.58.59.06.113.38.70.0.11.811.20.0.0.0.6.23.54.94.824.62.4
21 à 40%25.08.944.516.60.0.19.27.119.06.521.59.729.09.324.310.618.69.638.117.20.0.2.92.914.25.08.85.916.92.1
41 à 60%38.310.033.215.88.48.17.04.82.62.627.39.913.07.145.512.129.911.20.0.32.211.042.78.126.26.322.89.024.12.4
61 à 80%8.25.611.510.80.0.0.0.2.62.630.510.740.110.016.89.034.011.526.616.049.112.330.67.638.57.023.39.123.22.4
81 à 100%0.0.0.0.0.0.0.0.0.0.0.0.9.06.10.0.17.69.323.514.618.69.615.55.810.64.522.28.88.11.5
plus de 100%0.0.0.0.0.0.0.0.0.0.5.25.00.0.0.0.0.0.0.0.0.0.8.44.64.33.017.98.13.21.0
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.
stabilité moindriejusqu'à 20%23.92.629.84.768.65.261.43.664.23.014.73.813.42.112.22.61.61.22.92.04.62.65.41.74.81.23.41.122.00.8
21 à 40%31.92.828.54.620.24.521.43.027.52.830.14.929.92.833.43.712.33.010.73.98.23.68.02.013.22.08.91.620.90.8
41 à 60%28.42.732.44.910.13.411.92.47.21.629.85.027.02.731.53.627.64.018.04.825.95.730.83.335.82.823.62.524.70.9
61 à 80%13.32.04.32.11.11.14.81.60.70.517.44.021.72.614.82.836.44.343.76.235.66.335.43.531.32.730.12.720.20.8
81 à 100%2.10.85.02.40.0.0.50.50.40.46.12.54.51.36.41.916.73.414.14.419.45.216.22.710.81.820.42.38.40.6
plus de 100%0.30.30.0.0.0.0.0.0.0.1.81.33.61.11.71.05.42.010.63.86.33.24.21.54.21.213.52.03.80.4
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.
stablejusqu'à 20%33.32.339.94.967.14.151.94.453.73.313.74.216.23.014.43.07.82.84.03.93.72.51.60.88.71.82.91.023.90.8
21 à 40%33.82.336.14.823.63.734.14.233.33.128.45.431.33.735.64.118.53.929.58.615.65.112.92.123.22.715.52.226.40.9
41 à 60%22.42.016.23.77.72.411.02.89.41.931.55.526.73.631.13.933.54.910.75.928.86.732.23.035.93.030.12.824.40.9
61 à 80%8.41.46.82.51.61.13.01.52.21.017.44.319.23.212.92.824.94.532.98.835.37.035.73.022.62.630.92.817.00.8
81 à 100%1.70.60.0.0.0.0.0.1.40.85.92.95.41.95.31.812.13.419.47.813.05.013.22.16.91.615.22.26.30.5
plus de 100%0.50.31.01.00.0.0.0.0.0.3.12.21.10.80.70.73.41.93.53.53.62.54.51.32.71.05.41.42.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21 à 40%32.61.733.73.220.92.726.02.329.82.029.73.329.52.134.92.614.92.317.73.710.82.711.11.417.81.612.41.323.40.6
41 à 60%25.81.623.12.98.31.810.81.77.81.229.13.326.72.031.52.531.32.914.63.427.83.932.92.135.51.926.41.824.60.6
61 à 80%10.01.16.01.61.30.83.61.01.50.519.52.822.31.913.91.931.82.937.74.637.74.234.62.127.81.830.01.818.90.5
81 à 100%1.90.52.11.00.0.0.30.30.70.45.91.74.81.05.21.213.92.217.13.616.23.214.21.69.11.218.01.57.30.3
plus de 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793769/260101
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
critiquejusqu'à 20%39.77.18.43.62.52.53.42.47.83.43.92.710.51.7
21 à 40%27.06.419.25.022.66.35.63.113.44.45.63.115.22.0
41 à 60%26.66.319.35.029.86.735.26.417.25.041.76.827.92.5
61 à 80%2.32.229.15.829.56.936.46.441.06.422.45.727.52.5
81 à 100%4.43.014.64.58.84.215.74.815.14.718.95.413.31.9
plus de 100%0.0.9.53.76.93.83.72.65.53.07.53.65.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%47.11.79.41.39.01.62.00.94.11.22.50.818.80.7
21 à 40%28.71.622.81.919.82.29.51.815.42.19.91.520.20.8
41 à 60%15.61.327.02.028.32.527.62.835.32.823.52.124.00.8
61 à 80%6.80.926.22.023.22.336.53.027.32.633.52.322.00.8
81 à 100%1.40.410.41.413.71.918.72.411.81.918.21.910.20.6
plus de 100%0.30.24.20.96.01.35.71.46.01.412.41.64.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%48.61.413.11.611.21.93.11.17.01.34.21.225.80.8
21 à 40%30.31.330.32.231.72.815.32.221.62.118.82.326.80.8
41 à 60%15.91.031.52.328.62.737.03.039.12.528.12.725.60.8
61 à 80%4.30.620.11.922.42.531.72.924.62.225.22.615.60.7
81 à 100%0.80.24.21.05.11.39.31.86.41.316.32.24.70.4
plus de 100%0.10.10.90.51.10.63.61.21.30.67.51.61.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21 à 40%29.61.025.81.425.01.711.71.318.51.513.01.223.20.5
41 à 60%16.00.828.51.428.51.832.62.035.81.826.51.625.00.6
61 à 80%5.20.523.71.423.31.734.32.027.01.729.51.719.10.5
81 à 100%1.10.28.00.99.71.214.11.59.21.117.51.47.70.3
plus de 100%0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793770/260102
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%) %± %± %± %± %± %± %±
critiquejusqu'à 20%39.07.011.03.92.32.33.12.27.53.23.62.510.41.6
21 à 40%28.46.418.04.721.16.05.12.912.74.25.12.914.51.9
41 à 60%26.16.218.14.730.06.534.06.016.44.841.76.527.42.4
61 à 80%2.22.230.35.729.76.635.06.139.06.223.85.627.62.4
81 à 100%4.33.013.84.38.23.916.24.717.84.917.25.013.41.8
plus de 100%0.0.8.93.58.64.16.63.26.63.28.53.76.71.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stabilité moindriejusqu'à 20%47.11.79.31.38.41.51.90.83.81.12.60.818.40.7
21 à 40%28.81.622.51.820.42.210.51.915.42.19.41.420.10.8
41 à 60%15.51.326.82.028.12.428.42.734.62.723.62.024.00.8
61 à 80%6.80.926.61.923.62.335.32.927.52.633.12.322.20.8
81 à 100%1.40.410.31.313.51.918.12.312.11.918.51.910.30.6
plus de 100%0.30.24.50.96.01.35.81.46.61.412.71.65.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablejusqu'à 20%48.51.413.01.611.11.94.01.26.91.34.61.225.40.8
21 à 40%30.61.331.12.231.82.815.12.121.52.117.72.226.80.8
41 à 60%15.71.031.22.228.62.736.62.939.82.527.82.625.70.8
61 à 80%4.20.619.31.921.92.431.52.823.82.125.42.515.50.6
81 à 100%0.80.24.21.05.61.49.11.76.81.316.42.14.90.4
plus de 100%0.10.11.10.51.00.63.81.21.20.58.11.61.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaljusqu'à 20%47.81.111.01.09.11.13.00.75.70.83.40.621.40.5
21 à 40%29.91.026.01.425.21.712.01.318.31.412.31.223.10.5
41 à 60%15.90.828.21.428.51.732.71.935.81.726.51.625.00.6
61 à 80%5.20.523.71.323.31.633.61.926.51.629.51.619.20.5
81 à 100%1.10.27.90.89.81.113.81.49.81.117.61.37.80.3
plus de 100%0.20.13.30.64.10.84.90.93.80.710.71.13.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793771/260103
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