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IFN4
proportion de placettes en forêt
forêt de protection contre des avalanches (2022) · surface de la plus grande trouée (5 classes)
découpage régional: arrondissement forestier (2024)
unité: %, sous-total
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km
état 2009/17
arrondissement forestier (2024)
AG01AG02AG03AG04AI01AR01BE01BE02BE03BE04BSBL01BSBL02BSBL03BSBL04FR01FR02FR03FR04GE01GL01GR01GR02GR03GR04GR05JU01LU01LU02LU03NE01NE02NE03NE04NE06NW01OW01OW02SG01SG02SG03SG04SG05SH01SO01SO02SO03SO04SZ01SZ02SZ03TG01TG02TG03TI01TI02TI03TI04TI05TI06TI07TI08TI09UR01UR02UR03VD02VD03VD04VD05VD06VD07VD08VD09VD11VD12VD14VD15VD16VD18VD20VD22VS01VS02VS03ZG01ZH01ZH02ZH03ZH04ZH05ZH06ZH07lacsSuisse
forêt de protection contre des avalanches (2022)surface de la plus grande trouée (5 classes)%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indicationpas d'indication............................................................................................................................................................................................
pas de trouée (<100 m2)............................................................................................................................................................................................
petite trouée (100-500 m2)............................................................................................................................................................................................
trouée moyenne (500-1000 m2)............................................................................................................................................................................................
grande trouée (1000-5000 m2)............................................................................................................................................................................................
très grande trouée (>5000 m2)............................................................................................................................................................................................
total............................................................................................................................................................................................
à l'intérieurpas d'indication........0.0.0.0.0.0.0.0...0.0.............0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.........0.0.0.0.0.0.........0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.................0.0...0.0.0.0.0.0.0.0.................0.0.
pas de trouée (<100 m2)........50.0.0.0.24.25.711.7...58.018.6............47.925.00.0...27.510.512.38.122.113.80.0.14.65.513.55.167.719.0....54.0.0.0.0.0.100.0...100.0.34.219.50.0.33.315.8..27.1.14.29.350.0.62.428.8........100.0.14.7.100.0.........18.011.60.0.13.7.20.1.100.0...10.2.0.0...16.2.0.0.0.0.0.0.33.615.854.115.10.0...100.0.................100.00.0..5.73.28.84.911.64.90.0.................18.71.7
petite trouée (100-500 m2)........50.0.0.0.32.06.249.017.7..14.0.............0.0.0.0...28.010.618.79.822.614.037.613.418.76.018.45.917.2.....46.0.100.00.0100.0.0.0...0.0.31.318.60.0.21.313.5..22.9.42.413.250.0.37.6.........0.0.13.7.0.0.........45.915.156.716.528.617.119.8.0.0...50.215.832.0...49.220.433.1.75.815.025.7.33.015.637.514.7100.0...0.0.................0.0...35.56.745.48.729.66.9100.0.................31.62.1
trouée moyenne (500-1000 m2)........0.0.100.0.27.95.90.0...14.0.............23.9.0.0...16.88.832.011.722.113.823.511.821.36.329.46.915.1.....0.0.0.0.0.0.0.0...0.0.17.3.100.0.11.4...0.0.14.69.50.0.0.0.........0.0.44.018.80.0.........9.1.21.513.541.718.660.121.90.0...20.112.736.0...34.619.632.3.11.7.49.725.022.814.18.4.0.0...0.0.................0.0...25.76.124.07.423.86.50.0.................22.91.9
grande trouée (1000-5000 m2)........0.0.0.0.10.44.025.515.6..14.0.............0.0.100.0...27.710.537.112.133.215.730.912.840.57.638.77.40.0.....0.0.0.0.0.0.0.0...0.0.17.3.0.0.33.915.9..49.925.128.712.10.0.0.0.........0.0.14.0.0.0.........27.013.421.813.616.1.0.0.0.0...19.512.432.0...0.0.34.6.12.5.24.6.10.6.0.0.0.0...0.0.................0.0...33.16.621.77.230.47.00.0.................24.51.9
très grande trouée (>5000 m2)........0.0.0.0.5.43.013.8...0.0.............28.2.0.0...0.0.0.0.0.0.8.0.4.93.40.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.........0.0.13.7.0.0.........0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.................0.0...0.0.0.0.4.73.30.0.................2.30.7
total........100.0.100.0.100.0.100.0...100.0.............100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.....100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.........100.0.100.0.100.0.........100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.................100.0...100.0.100.0.100.0.100.0.................100.0.
à l'extérieurpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.
pas de trouée (<100 m2)59.05.735.06.538.47.344.36.133.89.339.97.325.22.719.42.929.93.146.44.552.910.953.09.151.97.50.0.33.99.323.56.235.55.727.76.158.515.630.85.615.63.517.33.818.83.417.02.413.72.337.73.832.36.122.25.123.34.873.69.327.47.427.210.426.39.220.46.137.68.912.95.432.16.329.26.837.78.323.15.129.17.131.45.745.76.551.17.539.37.752.08.653.47.535.16.914.54.833.67.946.17.849.18.831.16.923.67.826.55.127.86.334.55.948.96.762.65.626.14.331.05.734.15.626.19.238.611.511.26.137.18.225.87.924.16.748.69.325.812.836.17.361.810.625.39.022.65.823.17.229.67.234.07.735.211.627.010.315.4.36.610.313.72.416.43.323.23.422.17.431.48.716.66.227.26.437.16.836.28.853.99.832.28.4..29.50.6
petite trouée (100-500 m2)23.14.935.46.545.87.539.36.038.49.643.67.426.62.749.23.641.73.324.33.923.29.126.78.131.57.0100.0.37.99.524.06.131.05.537.46.69.8.29.25.523.94.128.34.522.63.627.52.930.03.139.93.836.96.445.46.132.65.322.28.844.98.356.311.746.610.456.47.629.68.312.65.318.25.239.97.336.08.324.65.232.17.337.65.940.86.430.76.837.67.726.97.739.67.333.56.833.76.531.67.624.26.724.87.650.47.529.98.434.45.533.16.632.15.825.35.823.24.935.64.722.45.143.35.98.96.011.37.540.89.537.38.232.88.540.47.632.98.640.814.231.37.014.17.647.310.431.96.432.28.049.67.939.88.034.911.551.011.584.614.344.810.631.93.332.24.127.23.648.89.050.59.557.38.338.07.148.77.043.39.138.19.541.78.9..33.70.6
trouée moyenne (500-1000 m2)5.32.612.54.411.24.77.33.27.55.14.83.321.22.513.22.515.12.417.03.49.26.216.96.911.64.90.0.20.18.027.56.516.74.416.65.110.8.22.15.026.14.219.34.021.03.517.82.521.12.812.12.510.84.217.64.622.64.74.3.16.46.211.27.522.88.918.86.09.85.429.27.218.35.29.04.312.45.817.14.527.37.012.94.08.53.611.54.815.25.78.94.94.73.26.33.513.14.613.65.79.94.76.54.59.44.56.74.624.85.023.35.913.74.212.04.35.22.513.33.321.55.18.23.230.19.522.49.922.18.011.65.418.86.917.86.17.55.17.6.21.06.24.3.8.96.015.35.024.07.47.54.210.14.812.38.15.3.0.0.0.0.18.82.721.03.618.63.19.95.410.75.85.84.019.55.86.03.310.45.73.9.22.57.5..15.60.5
grande trouée (1000-5000 m2)9.73.515.14.94.63.29.13.520.38.09.24.426.72.716.22.711.42.111.62.914.67.83.4.5.03.40.0.8.15.522.86.116.84.418.35.220.913.115.04.431.64.533.04.836.04.236.03.132.43.29.72.318.35.011.73.920.24.50.0.8.44.65.3.4.3.4.43.023.07.742.67.931.46.219.75.910.85.235.35.811.54.916.74.65.02.86.73.75.23.612.25.72.3.23.16.132.76.521.26.717.66.019.57.19.14.336.58.813.03.915.75.116.74.613.84.69.03.324.94.225.05.314.54.235.010.027.710.525.98.414.05.822.67.517.86.17.35.016.610.79.24.414.77.818.58.330.26.320.77.013.25.513.35.517.79.316.78.70.0.8.96.033.63.329.64.029.13.719.27.17.45.020.36.813.05.08.23.910.15.54.1.3.6...19.90.5
très grande trouée (>5000 m2)2.82.02.0.0.0.0.0.0.0.2.5.0.4.2.01.01.90.90.8.0.0.0.0.0.0.0.0.0.0.2.3.0.0.0.0.0.0.3.02.12.81.62.11.41.51.11.70.82.71.10.6.1.7.3.22.21.3.0.0.2.9.0.0.0.0.0.0.0.0.2.7.0.0.2.2.3.0.0.0.0.0.1.4.0.0.0.0.2.7.0.0.0.0.2.0.6.03.30.0.2.2.0.0.0.0.3.3.1.3.0.0.3.02.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.6.9.2.2.4.5.2.0.0.0.0.0.0.0.0.2.9.0.0.0.0.0.0.9.76.52.01.00.8.1.91.10.0.0.0.0.0.2.3.0.0.0.0.0.0.0.0...1.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.
pas de trouée (<100 m2)59.05.735.06.538.47.344.36.134.89.039.07.225.02.419.12.829.93.147.04.452.910.953.09.151.97.50.0.33.99.323.56.236.15.627.26.058.515.630.14.915.23.217.73.717.23.116.72.213.72.138.83.732.36.122.25.124.04.867.19.626.67.331.110.626.39.222.16.237.08.112.55.332.35.829.26.836.77.821.64.530.17.032.75.645.76.551.17.539.37.752.08.654.47.432.56.316.25.033.67.946.17.849.18.831.16.922.16.523.84.626.15.833.55.649.86.662.65.624.84.129.65.534.15.624.07.933.210.38.64.833.37.627.57.130.36.446.99.125.812.837.57.261.810.625.39.022.65.823.17.229.67.234.07.735.211.627.010.337.417.236.610.312.12.014.82.820.62.921.47.231.48.716.66.227.26.437.16.836.28.853.99.832.28.4..28.60.6
petite trouée (100-500 m2)23.14.935.46.545.87.539.36.039.19.342.77.327.62.549.23.641.73.323.73.723.29.126.78.131.57.0100.0.37.99.524.06.129.55.336.86.59.8.28.94.923.23.827.94.324.03.526.22.628.12.839.13.736.96.445.46.132.95.329.09.346.48.253.311.546.610.455.27.529.97.612.35.218.74.939.97.334.77.827.64.932.97.237.65.740.86.430.76.837.67.726.97.738.87.231.06.333.06.431.67.624.26.724.87.650.47.534.27.436.75.232.66.231.35.624.85.823.24.936.84.522.95.043.35.917.17.014.37.748.88.536.17.732.97.539.86.835.28.740.814.230.66.814.17.647.310.431.96.432.28.049.67.939.88.034.911.551.011.562.617.244.810.632.62.934.93.827.73.250.48.950.59.557.38.338.07.148.77.043.39.138.19.541.78.9..33.50.6
trouée moyenne (500-1000 m2)5.32.612.54.411.24.77.33.27.14.86.93.922.42.312.72.415.12.416.83.39.26.216.96.911.64.90.0.20.18.027.56.517.14.316.35.010.8.21.04.426.84.019.63.821.23.418.32.322.52.612.22.510.84.217.64.622.14.63.9.16.06.010.67.122.88.918.45.911.15.231.07.217.34.79.04.311.25.316.74.126.06.712.43.98.53.611.54.815.25.78.94.94.63.211.04.212.84.613.65.79.94.76.54.59.44.57.34.124.44.725.55.716.94.511.84.25.22.513.93.222.25.18.23.231.08.623.89.319.76.715.55.819.76.315.85.17.34.97.6.20.56.14.3.8.96.015.35.024.07.47.54.210.14.812.38.15.3.0.0.0.0.20.12.521.63.219.72.89.65.210.75.85.84.019.55.86.03.310.45.73.9.22.57.5..16.20.5
grande trouée (1000-5000 m2)9.73.515.14.94.63.29.13.519.07.69.04.323.82.416.62.611.42.111.72.814.67.83.4.5.03.40.0.8.15.522.86.116.04.219.65.320.913.117.64.132.34.233.04.535.54.036.62.933.52.99.42.218.35.011.73.919.74.40.0.8.14.55.0.4.3.4.33.022.06.941.57.831.75.819.75.914.75.634.25.211.04.716.04.45.02.86.73.75.23.612.25.72.2.22.05.632.06.421.26.717.66.019.57.19.14.334.07.413.93.715.84.815.64.313.64.59.03.324.54.025.45.214.54.227.98.428.79.922.87.115.15.719.96.314.14.97.04.816.610.79.04.314.77.818.58.330.26.320.77.013.25.513.35.517.79.316.78.70.0.8.96.033.53.028.03.529.43.218.66.97.45.020.36.813.05.08.23.910.15.54.1.3.6...20.30.5
très grande trouée (>5000 m2)2.82.02.0.0.0.0.0.0.0.2.5.1.30.62.41.11.90.90.7.0.0.0.0.0.0.0.0.0.0.2.3.1.4.0.0.0.0.2.31.62.41.41.91.32.11.22.20.92.30.90.6.1.7.3.22.21.3.0.0.2.8.0.0.0.0.0.0.0.0.2.7.0.0.2.2.2.7.0.0.0.0.1.4.0.0.0.0.2.7.0.0.0.0.3.52.45.93.30.0.2.2.0.0.0.0.2.4.1.1.0.0.2.81.90.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.5.9.2.2.3.5.2.0.0.0.0.0.0.0.0.2.9.0.0.0.0.0.0.9.76.51.60.80.6.2.51.10.0.0.0.0.0.2.3.0.0.0.0.0.0.0.0...1.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.
© WSL, Inventaire forestier national suisse, 27.04.2024 #2301233/639165

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 2301233. Birmensdorf, Swiss Federal Research Institute WSL

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