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IFN4
proportion de placettes en forêt
forêt de protection contre des coulées de boue/glissements de terrain (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 coulées de boue/glissements de terrain (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.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...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)........0.0.10.5.33.17.833.513.750.025.021.99.70.0.49.525.0100.00.0..100.0...67.319.2....17.511.322.911.625.110.921.19.421.56.421.37.740.311.074.621.90.0...0.0.41.122.20.0.67.327.049.125.075.721.3..38.617.30.0.72.816.620.212.80.0.50.020.466.927.20.0...32.5.74.621.933.419.3..22.8.66.727.2....29.117.328.311.830.614.737.514.771.014.274.68.332.813.29.9.40.515.648.1.39.021.714.59.514.7.49.920.449.420.548.625.0..51.5.0.0.........0.0.....100.00.0..6.73.815.55.428.26.90.0.....0.0.100.0...100.0.....31.11.8
petite trouée (100-500 m2)........100.00.050.817.827.87.558.214.350.025.028.010.60.0.0.0.0.0...0.0...32.719.2....55.015.07.4.37.612.125.810.023.96.628.88.644.811.10.0.0.0...100.00.020.4.100.00.032.7.27.1.24.3...12.6.72.523.014.7.50.115.8100.0.33.319.333.1.0.0...34.9.25.4.17.0...54.324.80.0.....42.418.632.812.129.714.426.913.319.312.311.26.137.113.349.515.848.915.851.9.0.0.43.413.343.618.833.919.550.620.524.3...48.5.49.1.........100.0.....0.0...37.47.441.27.426.36.8100.00.0....0.0.0.0...0.0.....32.71.9
trouée moyenne (500-1000 m2)........0.0.13.7.18.96.58.4.0.0.33.511.2100.0.50.525.00.0...0.0...0.0.....18.111.622.911.618.59.731.910.719.36.114.16.55.0.0.0.0.0...0.0.38.521.60.0.0.0.0.0.0.0...12.6.27.5.0.0.19.912.60.0.16.7.0.0.100.0...0.0.0.0.33.819.4..0.0.0.0.....0.0.25.911.219.612.59.0.9.8.3.9.14.79.710.9.0.0.0.0.20.5.14.09.214.1.0.0.0.0.27.1...0.0.0.0.........0.0.....0.0...18.65.920.66.119.16.10.0.....0.0.0.0...0.0.....15.41.4
grande trouée (1000-5000 m2)........0.0.24.915.314.46.00.0.0.0.16.68.80.0.0.0.0.0...0.0...0.0.....9.4.46.813.912.48.215.68.335.37.335.99.19.86.625.4.100.0...0.0.0.0.0.0.0.0.23.8.0.0...36.116.90.0.12.5.9.8.0.0.0.0.0.0.0.0...32.5.0.0.0.0...22.8.33.3.....28.517.113.08.620.112.726.613.20.0.10.45.715.310.029.714.410.6.0.0.40.522.028.112.027.516.716.1.0.0.0.0...0.0.50.9.........0.0.....0.0...37.37.422.76.321.56.40.0.....100.0.0.0...0.0.....19.61.6
très grande trouée (>5000 m2)........0.0.0.0.5.84.00.0.0.0.0.0.0.0.0.0.0.0...0.0...0.0.....0.0.0.0.6.4.5.5.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.15.8...0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.........0.0.....0.0...0.0.0.0.4.93.40.0.....0.0.0.0...0.0.....1.10.4
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.....100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...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)59.05.735.06.538.47.344.36.137.59.545.28.124.02.618.22.829.53.150.94.755.411.153.69.849.67.70.0.31.39.223.56.233.45.727.26.058.515.632.05.414.33.316.43.916.63.315.82.412.82.238.63.929.46.222.65.124.04.876.89.124.57.634.611.520.59.119.56.231.98.312.55.331.36.232.27.428.78.121.84.830.87.231.15.844.56.752.37.539.37.753.89.052.57.732.46.716.25.034.98.444.58.149.18.831.16.920.77.022.85.025.26.332.86.145.37.355.77.323.74.232.96.233.06.022.38.031.411.64.8.37.48.623.77.327.86.646.79.825.812.836.97.468.210.725.39.022.65.823.17.229.67.234.97.935.211.627.010.315.4.36.610.313.22.314.63.318.63.122.97.731.48.716.66.227.86.535.86.836.28.852.110.032.28.4..28.30.6
petite trouée (100-500 m2)23.14.935.46.545.87.539.36.034.59.440.98.027.52.748.63.741.53.423.14.024.39.530.99.133.07.2100.0.39.49.824.06.129.25.536.86.59.8.25.25.025.14.126.24.623.73.826.62.928.02.938.33.939.56.746.06.232.95.318.78.550.28.848.012.148.511.157.97.830.78.112.35.219.65.336.67.539.28.824.55.031.37.238.06.041.26.631.47.037.67.726.17.940.07.632.76.733.06.428.97.826.17.124.87.650.47.532.58.137.65.833.26.832.16.126.06.530.16.736.84.818.45.042.36.314.56.718.99.852.410.934.48.432.78.138.47.237.09.440.814.229.87.010.47.047.310.431.96.432.28.049.67.938.08.034.911.551.011.584.614.344.810.631.63.232.54.328.13.646.99.150.59.557.38.338.97.249.77.143.39.139.69.841.78.9..33.60.6
trouée moyenne (500-1000 m2)5.32.612.54.411.24.77.33.27.65.25.43.722.82.512.92.515.42.514.23.35.0.11.66.312.25.10.0.20.98.327.56.518.54.716.35.010.8.21.44.827.34.219.74.219.63.518.12.523.52.813.12.711.64.517.84.722.14.64.5.12.76.011.97.926.09.920.26.412.65.931.07.218.05.17.14.013.76.316.24.326.66.911.94.09.03.89.44.415.25.79.85.45.03.58.23.912.84.615.16.310.65.06.54.59.44.58.84.924.15.126.86.418.35.012.24.75.93.313.83.424.15.69.63.733.39.124.810.823.59.215.86.523.17.217.95.74.0.7.6.21.46.34.7.8.96.015.35.024.07.47.54.210.44.912.38.15.3.0.0.0.0.20.52.822.03.819.93.210.25.610.75.85.84.019.95.96.13.410.45.74.0.22.57.5..16.30.5
grande trouée (1000-5000 m2)9.73.515.14.94.63.29.13.520.48.15.43.725.02.617.72.811.62.210.93.015.38.13.9.5.23.60.0.8.45.722.86.117.34.619.65.320.913.118.74.530.64.436.65.138.54.336.93.133.23.19.32.417.75.110.33.719.74.40.0.9.35.15.5.4.9.2.4.24.97.741.57.831.16.121.76.415.26.337.55.711.24.817.54.85.33.06.93.85.23.610.35.62.4.24.76.232.06.421.17.116.36.119.57.19.14.335.18.214.14.214.95.213.64.516.55.48.24.025.74.324.65.515.14.629.98.824.910.819.38.712.45.820.66.915.95.58.25.516.610.79.44.510.97.318.58.330.26.320.77.013.25.513.75.717.79.316.78.70.0.8.96.032.73.230.04.231.53.719.97.37.45.020.36.811.04.78.44.010.15.54.3.3.6...20.30.5
très grande trouée (>5000 m2)2.82.02.0.0.0.0.0.0.0.3.0.0.70.52.61.22.01.00.8.0.0.0.0.0.0.0.0.0.0.2.3.1.5.0.0.0.0.2.71.92.71.61.1.1.61.12.61.02.61.00.7.1.8.3.22.21.3.0.0.3.2.0.0.0.0.0.0.0.0.2.7.0.0.2.4.3.3.0.0.0.0.1.5.0.0.0.0.2.7.0.0.0.0.2.0.5.93.30.0.2.4.0.0.0.0.2.9.1.4.0.0.3.32.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.1.9.2.2.4.5.7.0.0.0.0.0.0.0.0.2.9.0.0.0.0.0.0.9.76.51.91.00.9.1.91.10.0.0.0.0.0.2.3.0.0.0.0.0.0.0.0...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.
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 #2282723/620655

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. 2282723. Birmensdorf, Swiss Federal Research Institute WSL

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