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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 IFN1-IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
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.
pas de trouée (<100 m2)........0.0.16.3.30.19.721.3.48.725.027.213.40.0.33.5.100.0.......75.121.7....26.816.438.421.632.615.619.312.217.79.316.510.729.814.5100.00.0....0.0.51.425.0..49.5.32.2.53.8...18.5.0.0.85.513.637.521.40.0.60.022.050.0.....100.0.100.0.68.026.7..45.9.100.00.0....0.0.18.2.25.2.60.921.858.218.676.612.022.2.0.0.34.519.7100.0.100.0.20.813.020.8.68.226.60.0.46.2...50.1.0.0.........0.0.....100.0...4.2.22.67.529.79.50.0.....0.0.100.0.........32.02.5
petite trouée (100-500 m2)........100.0.37.821.618.68.478.718.851.325.018.211.70.0.0.0.0.0.......24.9.....73.216.40.0.45.416.716.410.729.411.134.113.840.115.50.0.....100.0.24.4...50.5.35.8.46.2...23.3.100.00.00.0.42.222.3100.0.20.0.50.0.....0.0.0.0.0.0...54.1.0.0.....51.125.132.919.150.025.139.121.827.416.715.610.357.822.373.022.947.520.30.0.0.0.49.915.961.721.631.8.100.0.0.0...49.9.0.0.........100.0.....0.0...41.110.036.88.821.88.7100.0.....0.0.0.0.........33.92.6
trouée moyenne (500-1000 m2)........0.0.22.3.22.28.90.0.0.0.27.313.5100.0.66.527.30.0.......0.0.....0.0.20.8.11.0.37.114.729.811.116.610.710.0.0.0.....0.0.24.3...0.0.0.0.0.0...23.3.0.0.0.0.0.0.0.0.20.0.0.0.....0.0.0.0.0.0...0.0.0.0.....0.0.32.619.124.8.0.0.14.4.0.0.0.0.27.0.0.0.0.0.0.0.10.5.0.0.0.0.0.0.53.8...0.0.0.0.........0.0.....0.0...8.55.820.57.421.68.60.0.....0.0.0.0.........14.71.9
grande trouée (1000-5000 m2)........0.0.23.5.19.48.70.0.0.0.27.313.50.0.0.0.0.0.......0.0.....0.0.40.822.111.0.18.011.623.010.132.713.520.012.70.0.....0.0.0.0...0.0.32.0.0.0...34.920.80.0.14.5.20.2.0.0.0.0.0.0.....0.0.0.0.0.0...0.0.0.0.....48.925.116.4.0.0.0.0.0.0.7.8.20.1.0.0.18.1.0.0.0.0.18.812.117.4.0.0.0.0.0.0...0.0.100.0.........0.0.....0.0...46.310.220.17.426.99.40.0.....100.0.0.0.........18.32.1
très grande trouée (>5000 m2)........0.0.0.0.9.66.40.0.0.0.0.0.0.0.0.0.0.0.......0.0.....0.0.0.0.0.0.9.2.0.0.0.0.0.0.0.0.....0.0.0.0...0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.....0.0.0.0.32.0...0.0.0.0.....0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.........0.0.....0.0...0.0.0.0.0.0.0.0.....0.0.0.0.........1.10.6
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.
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)55.68.333.38.644.111.735.47.934.112.641.011.120.43.514.83.426.23.951.86.460.115.558.214.341.911.30.0.35.814.522.67.528.17.716.36.777.919.228.37.617.04.911.05.216.85.415.43.75.42.234.75.527.07.725.96.715.45.377.611.528.310.832.313.48.8.18.28.334.712.510.77.337.59.437.911.227.111.814.66.140.011.129.88.447.18.665.69.942.210.843.811.752.711.539.410.323.18.427.710.651.710.950.611.229.48.735.212.818.07.326.210.032.710.145.911.260.39.830.48.046.710.334.19.218.09.443.518.80.0.36.812.015.48.220.210.436.014.514.3.44.110.048.620.517.211.133.39.122.39.829.910.227.510.535.814.518.812.032.0.27.416.715.23.912.34.712.94.333.313.720.010.316.88.817.57.136.58.838.311.557.313.327.510.5..27.70.9
petite trouée (100-500 m2)24.67.136.38.838.711.545.18.335.312.843.611.128.63.952.84.942.24.425.85.69.8.25.112.552.311.5100.0.36.314.519.07.120.36.937.78.90.0.15.06.229.56.024.27.025.46.330.84.729.34.445.05.733.28.244.27.635.57.015.09.842.312.051.414.465.313.962.710.546.113.010.77.317.97.336.511.121.411.035.58.310.87.243.19.138.28.326.09.123.59.233.811.236.411.012.06.533.19.730.710.718.78.529.110.148.09.628.612.139.89.338.710.936.410.335.110.728.69.136.98.48.65.840.49.55.3.14.5.71.017.238.412.226.610.254.212.633.914.057.018.823.48.418.0.53.915.122.58.133.411.249.511.233.011.135.814.571.013.968.026.772.616.734.75.226.16.528.55.741.914.353.412.959.811.642.19.346.59.127.210.427.711.843.611.7..34.20.9
trouée moyenne (500-1000 m2)5.53.812.86.017.29.010.85.16.4.10.36.922.93.610.43.018.83.59.53.70.0.8.4.0.0.0.0.18.311.729.98.427.37.522.97.622.1.20.77.024.65.721.76.822.46.019.24.029.84.48.33.219.37.020.66.226.16.57.5.18.09.48.1.17.911.319.18.66.8.29.410.415.47.010.36.924.011.912.35.835.710.912.45.95.84.00.0.24.59.516.38.65.7.13.57.37.75.316.58.84.6.0.0.11.56.36.8.24.88.224.79.622.28.84.9.3.5.6.04.121.18.43.6.34.211.513.6.14.2.5.6.25.59.913.69.09.2.0.0.24.58.715.4.0.0.11.06.027.710.59.76.521.79.610.3.0.0.0.0.0.0.20.44.428.06.633.25.98.3.13.38.85.4.29.58.89.95.418.09.36.9.22.610.0..17.00.7
grande trouée (1000-5000 m2)11.75.513.96.50.0.8.64.824.212.05.1.27.43.921.14.011.12.813.04.330.214.68.4.5.8.0.0.9.6.24.68.124.27.523.27.70.0.29.97.927.45.943.18.231.26.732.64.733.74.510.73.617.46.54.22.923.16.20.0.11.37.68.1.8.0.0.0.12.48.349.211.729.28.815.38.219.210.137.68.513.57.314.76.88.84.98.45.79.86.66.1.5.2.35.110.031.09.725.110.720.39.020.29.111.06.029.412.317.47.110.46.94.5.14.17.67.65.226.77.623.68.522.08.042.412.028.417.014.8.19.29.932.510.812.08.010.4.28.717.23.8.0.0.28.913.833.39.116.68.810.97.217.89.218.011.610.2.0.0.0.0.27.44.931.46.825.45.516.610.713.38.818.19.36.84.77.14.816.58.78.1.6.3...19.90.8
très grande trouée (>5000 m2)2.7.3.7.0.0.0.0.0.0.0.0.0.8.0.8.1.71.20.0.0.0.0.0.0.0.0.0.0.0.3.8.0.0.0.0.0.0.6.04.11.5.0.0.4.22.92.01.41.71.21.3.3.0.5.23.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.1.0.0.4.7.0.0.0.0.0.0.0.0.0.0.4.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.4.0.0.4.2.18.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.31.62.2.0.0.0.0.0.0.0.0.4.0.0.0.0.0.0.0.0.0...1.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...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)55.68.333.38.644.111.735.47.932.112.035.89.621.73.315.13.426.93.848.25.954.715.153.312.944.811.20.0.35.814.522.67.532.97.616.36.777.919.228.16.918.74.915.35.317.25.015.83.46.62.234.15.131.17.825.96.715.45.371.612.132.510.232.313.414.39.419.98.037.111.910.77.334.38.532.710.143.611.117.76.138.110.734.18.047.38.365.69.942.210.846.711.455.011.242.59.823.18.429.410.255.910.450.611.229.48.727.310.518.06.726.19.138.19.449.09.665.77.829.37.440.19.434.18.322.710.050.717.712.28.132.910.222.28.818.79.837.813.414.3.44.59.642.218.817.211.133.39.122.39.829.910.225.910.035.814.518.812.049.925.127.416.712.73.216.34.217.44.130.312.820.010.316.88.816.96.938.68.738.311.557.313.327.510.5..28.20.8
petite trouée (100-500 m2)24.67.136.38.838.711.545.18.339.112.642.49.927.23.554.04.742.54.324.65.18.9.20.110.349.711.2100.0.36.314.519.07.120.86.637.78.90.0.24.76.827.15.628.46.723.85.630.64.329.84.244.55.431.47.944.27.635.57.021.511.039.110.751.414.463.313.059.410.046.112.210.77.318.87.045.110.615.38.236.47.815.18.039.88.338.88.126.09.123.59.232.110.734.610.610.75.933.19.732.910.417.07.829.110.148.09.633.711.238.58.440.610.036.99.333.29.124.37.139.78.017.87.341.78.65.0.12.6.58.712.044.110.927.29.557.612.228.112.157.018.825.38.315.6.53.915.122.58.133.411.249.511.236.911.135.814.571.013.950.125.172.616.736.14.630.35.326.74.847.013.953.412.959.811.640.69.145.08.927.210.427.711.843.611.7..34.20.9
trouée moyenne (500-1000 m2)5.53.812.86.017.29.010.85.16.0.12.86.922.83.410.02.918.33.412.13.88.9.19.910.30.0.0.0.18.311.729.98.424.66.922.97.622.1.17.36.024.35.519.65.925.15.620.83.828.54.18.53.118.36.720.66.226.16.56.9.19.28.68.1.15.49.916.87.76.0.29.410.416.76.88.96.017.28.910.75.134.010.513.55.75.53.80.0.24.59.515.58.25.4.12.16.57.75.315.08.04.2.0.0.11.56.35.3.26.27.624.78.818.07.37.35.02.3.5.33.621.97.93.0.32.311.011.9.12.08.04.2.22.28.812.68.416.810.80.0.22.88.213.3.0.0.11.06.027.710.59.76.520.49.110.3.0.0.0.0.0.0.17.83.725.05.030.14.97.5.13.38.85.4.28.58.59.55.318.09.36.9.22.610.0..16.70.7
grande trouée (1000-5000 m2)11.75.513.96.50.0.8.64.822.811.49.06.126.33.520.23.910.82.715.14.227.513.66.7.5.5.0.0.9.6.24.68.121.76.823.27.70.0.25.06.828.55.736.77.128.85.931.24.333.64.311.83.516.46.24.22.923.16.20.0.9.36.38.1.6.9.3.9.10.87.349.211.730.28.113.37.217.98.235.37.812.87.012.65.98.34.68.45.79.86.65.7.5.0.31.39.231.09.722.79.818.68.320.29.111.06.033.811.217.26.48.65.83.7.10.65.87.74.225.87.120.27.521.37.240.011.624.815.217.19.118.88.528.49.711.17.58.6.28.717.23.5.13.2.28.913.833.39.116.68.810.97.216.78.818.011.610.2.0.0.0.0.31.64.527.05.125.84.715.19.913.38.818.19.310.15.66.84.716.58.78.1.6.3...19.70.7
très grande trouée (>5000 m2)2.7.3.7.0.0.0.0.0.0.0.0.2.01.10.8.1.61.10.0.0.0.0.0.0.0.0.0.0.0.3.8.0.0.0.0.0.0.5.03.51.4.0.0.5.12.91.71.21.61.11.1.2.8.5.23.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.4.5.1.0.0.4.2.0.0.0.0.0.0.0.0.0.0.3.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.6.0.0.3.9.15.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.81.31.3.0.0.0.0.0.0.0.0.3.9.0.0.0.0.0.0.0.0...1.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.
© WSL, Inventaire forestier national suisse, 27.04.2024 #2283481/621413

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. 2283481. Birmensdorf, Swiss Federal Research Institute WSL

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