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IFN4
proportion de placettes en forêt
forêt de protection contre des chutes de pierres ou de blocs (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 IFN4/IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
état 2009/17
arrondissement forestier (2024)
AG01AG02AG03AG04AI01AR01BE01BE02BE03BE04BSBL01BSBL02BSBL03BSBL04FR01FR02FR03FR04GE01GL01GR01GR02GR03GR04GR05JU01LU01LU02LU03NE01NE02NE03NE04NE06NW01OW01OW02SG01SG02SG03SG04SG05SH01SO01SO02SO03SO04SZ01SZ02SZ03TG01TG02TG03TI01TI02TI03TI04TI05TI06TI07TI08TI09UR01UR02UR03VD02VD03VD04VD05VD06VD07VD08VD09VD11VD12VD14VD15VD16VD18VD20VD22VS01VS02VS03ZG01ZH01ZH02ZH03ZH04ZH05ZH06ZH07lacsSuisse
forêt de protection contre des chutes de pierres ou de blocs (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.
pas de trouée (<100 m2)............45.212.90.0...0.0...0.0...............50.020.5..100.0...20.010.424.715.233.5.................100.0...0.0...46.2.0.0.............100.0.31.3...0.0.......0.0.35.719.7100.0.35.919.9..100.00.00.0.0.0.25.0.100.0...25.815.649.8.100.0.............................0.0.10.8.39.621.9..................29.14.0
petite trouée (100-500 m2)............19.910.3100.0...0.0...0.0...............34.019.5..0.0...39.712.612.8.33.7.................0.0...55.8...0.0.67.626.8............0.0.0.0...100.0.......50.0.32.318.90.0.48.820.4..0.0.74.322.10.0.47.425.00.0...38.117.250.2.0.0.............................25.015.333.315.70.0...................30.34.1
trouée moyenne (500-1000 m2)............21.110.90.0...32.1...100.0...............16.0...0.0...14.49.424.915.30.0.................0.0...0.0...53.8.32.4.............0.0.37.4...0.0.......0.0.32.018.90.0.0.0...0.0.25.7.0.0.0.0.0.0...0.0.0.0.0.0.............................12.8.55.816.518.2...................18.53.5
grande trouée (1000-5000 m2)............13.89.00.0...67.926.8..0.0...............0.0...0.0...25.911.237.617.132.8.................0.0...44.2...0.0.0.0.............0.0.0.0...0.0.......50.0.0.0.0.0.15.3...0.0.0.0.100.0.27.6.0.0...36.116.90.0.0.0.............................62.117.20.0.42.222.3..................21.43.7
très grande trouée (>5000 m2)............0.0.0.0...0.0...0.0...............0.0...0.0...0.0.0.0.0.0.................0.0...0.0...0.0.0.0.............0.0.31.3...0.0.......0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.............................0.0.0.0.0.0...................0.7.
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.
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)55.68.333.38.644.111.734.57.836.612.135.89.623.43.316.03.527.43.848.15.854.715.157.013.350.010.20.0.35.814.521.27.136.77.416.36.754.618.826.06.816.34.219.25.517.14.314.43.110.72.634.15.229.47.525.96.718.45.671.612.135.710.232.313.414.39.419.98.034.011.215.18.133.48.332.710.144.211.222.96.438.110.732.77.247.38.365.69.942.210.846.711.452.410.942.79.428.08.532.810.355.910.447.910.928.48.524.69.611.45.420.37.431.08.144.68.863.17.928.16.135.28.233.57.822.910.050.714.40.0.32.910.224.18.618.88.537.813.414.3.43.09.448.917.817.211.131.08.621.09.431.49.925.910.032.513.518.812.049.925.127.416.714.53.217.04.018.33.931.911.924.910.816.88.819.87.338.68.738.311.560.312.727.510.5..28.00.8
petite trouée (100-500 m2)24.67.136.38.838.711.543.98.236.612.142.49.926.33.453.04.842.24.328.95.38.9.21.511.041.310.1100.0.36.314.517.86.721.26.337.78.90.0.24.46.724.44.924.55.924.84.925.83.827.23.844.85.535.27.944.27.634.26.821.511.037.210.451.414.463.313.059.410.046.011.510.26.914.56.045.110.619.88.927.16.715.18.035.47.438.88.126.09.123.59.232.110.737.710.69.85.429.48.926.59.417.07.827.69.649.89.535.510.743.38.436.18.842.08.631.58.224.57.131.16.314.56.037.68.05.0.16.510.765.912.339.210.732.09.343.910.628.112.157.018.827.88.413.8.53.915.120.97.637.111.149.910.736.911.132.513.571.013.950.125.172.616.732.84.324.84.730.14.648.413.050.112.559.811.639.28.945.08.927.210.425.711.243.611.7..32.80.8
trouée moyenne (500-1000 m2)5.53.812.86.017.29.010.55.05.6.12.86.922.63.310.02.918.13.410.73.68.9.14.39.44.2.0.0.18.311.734.38.422.36.322.97.615.5.19.86.324.84.918.85.420.54.621.03.526.73.88.83.217.26.420.66.225.16.36.9.18.38.38.1.15.49.916.87.75.3.28.09.916.36.68.96.011.87.811.85.034.010.511.24.85.53.80.0.24.59.515.58.25.2.11.16.010.55.814.37.74.2.5.4.11.16.14.7.22.77.130.18.418.06.79.05.04.73.28.73.717.96.612.75.332.210.98.0.20.410.59.16.219.37.819.78.916.810.80.0.22.07.911.8.0.0.13.96.526.210.18.85.920.49.19.4.0.0.0.0.0.0.16.53.420.14.326.24.46.6.12.58.35.4.27.58.39.55.318.09.36.4.22.610.0..16.60.7
grande trouée (1000-5000 m2)11.75.513.96.50.0.11.15.321.310.89.06.125.93.420.23.910.72.712.33.827.513.67.2.4.5.0.0.9.6.23.17.719.76.323.27.729.917.624.76.833.35.337.46.633.65.437.34.231.83.911.13.515.55.94.22.922.26.00.0.8.86.08.1.6.9.3.9.14.77.946.811.435.88.413.37.218.28.438.27.512.87.020.76.58.34.68.45.79.86.65.7.4.7.36.39.227.58.826.410.018.68.319.18.610.65.835.210.720.06.813.46.36.24.214.96.27.74.332.16.332.47.816.26.139.911.624.812.413.79.018.88.524.68.717.68.08.6.28.717.23.4.11.7.28.913.834.28.815.78.49.96.616.78.825.712.810.2.0.0.0.0.32.94.337.05.224.44.313.18.612.58.318.19.39.85.46.84.716.58.77.6.6.3...21.20.7
très grande trouée (>5000 m2)2.7.3.7.0.0.0.0.0.0.0.0.1.91.10.8.1.61.10.0.0.0.0.0.0.0.0.0.0.0.3.6.0.0.0.0.0.0.5.03.41.1.0.0.3.92.21.51.03.51.51.2.2.7.5.23.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.5.0.0.4.2.0.0.0.0.0.0.2.6.0.0.2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.6.0.0.3.8.13.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.31.61.2.1.0.0.0.0.0.0.0.3.7.0.0.0.0.0.0.0.0...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)55.68.333.38.644.111.734.57.836.612.135.89.625.23.215.93.527.43.846.25.754.715.153.312.950.010.20.0.35.814.521.27.136.77.416.36.754.618.828.96.616.34.220.55.517.14.315.03.011.52.634.15.129.47.525.96.718.45.671.612.135.710.232.313.414.39.419.98.037.311.015.18.131.37.932.710.144.410.621.36.038.110.732.77.247.38.365.69.942.210.846.711.454.510.641.78.928.08.531.39.955.910.447.910.928.48.522.38.815.15.723.27.731.87.544.68.865.17.626.25.834.28.032.77.427.110.350.714.49.06.034.49.926.68.718.88.537.813.414.3.43.09.448.917.817.211.131.08.621.09.431.49.925.910.032.513.518.812.049.925.127.416.713.63.016.43.819.23.931.911.924.910.816.88.819.87.338.68.738.311.560.312.727.510.5..28.10.8
petite trouée (100-500 m2)24.67.136.38.838.711.543.98.236.612.142.49.925.73.253.54.742.24.327.75.28.9.20.110.341.310.1100.0.36.314.517.86.721.26.337.78.90.0.25.66.424.44.924.15.824.84.927.23.726.43.644.55.435.27.944.27.634.26.821.511.037.210.451.414.463.313.059.410.043.711.210.26.917.16.445.110.617.98.229.96.715.18.035.47.438.88.126.09.123.59.232.110.736.010.28.95.029.48.929.99.617.07.827.69.649.89.536.810.341.77.734.88.543.08.031.58.223.26.834.16.214.15.938.67.64.7.16.510.756.310.440.210.330.99.143.910.628.112.157.018.827.88.413.8.53.915.120.97.637.111.149.910.736.911.132.513.571.013.950.125.172.616.732.34.125.64.528.74.448.413.050.112.559.811.639.28.945.08.927.210.425.711.243.611.7..32.70.8
trouée moyenne (500-1000 m2)5.53.812.86.017.29.010.55.05.6.12.86.922.53.19.92.918.13.411.63.68.9.19.910.34.2.0.0.18.311.734.38.422.36.322.97.615.5.19.45.824.84.918.55.320.54.620.33.326.63.68.53.117.26.420.66.225.16.36.9.18.38.38.1.15.49.916.87.75.0.28.09.915.36.38.96.015.88.313.25.034.010.511.24.85.53.80.0.24.59.515.58.24.9.13.56.310.55.813.67.44.2.5.4.11.16.14.3.24.16.729.08.215.25.89.05.04.43.09.83.817.46.411.54.830.510.58.0.13.37.18.35.618.77.619.78.916.810.80.0.22.07.911.8.0.0.13.96.526.210.18.85.920.49.19.4.0.0.0.0.0.0.16.33.223.54.425.84.36.6.12.58.35.4.27.58.39.55.318.09.36.4.22.610.0..16.70.6
grande trouée (1000-5000 m2)11.75.513.96.50.0.11.15.321.310.89.06.124.93.220.03.810.72.714.54.027.513.66.7.4.5.0.0.9.6.23.17.719.76.323.27.729.917.621.86.133.35.336.86.633.65.436.23.932.13.811.83.515.55.94.22.922.26.00.0.8.86.08.1.6.9.3.9.14.07.546.811.436.38.113.37.216.47.635.67.112.87.020.76.58.34.68.45.79.86.65.7.4.5.33.08.527.58.825.29.618.68.319.18.610.65.836.610.316.95.812.96.17.64.214.96.27.34.129.95.934.37.817.36.037.811.224.812.421.58.517.17.823.88.417.68.08.6.28.717.23.4.11.7.28.913.834.28.815.78.49.96.616.78.825.712.810.2.0.0.0.0.34.74.233.44.825.24.313.18.612.58.318.19.39.85.46.84.716.58.77.6.6.3...21.20.7
très grande trouée (>5000 m2)2.7.3.7.0.0.0.0.0.0.0.0.1.71.00.8.1.61.10.0.0.0.0.0.0.0.0.0.0.0.3.6.0.0.0.0.0.0.4.43.01.1.0.0.3.92.21.30.93.31.51.1.2.7.5.23.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.9.4.5.0.0.4.2.0.0.0.0.0.0.2.2.0.0.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.6.0.0.3.8.13.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.11.51.1.1.0.0.0.0.0.0.0.3.7.0.0.0.0.0.0.0.0...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.
© WSL, Inventaire forestier national suisse, 27.04.2024 #2302881/640813

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. 2302881. Birmensdorf, Swiss Federal Research Institute WSL

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