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IFN3
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 IFN1-IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
état 2004/06
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.
pas de trouée (<100 m2)........50.0.0.0.31.68.037.321.4..41.522.2............50.0.....73.415.911.5.24.8.0.0.28.59.810.16.80.0.....0.0.100.0.100.0.....100.0.0.0.0.0.26.2...45.9.34.015.9..57.8...........38.321.6100.0.........17.1.33.1.16.3.0.0.....50.225.00.0...69.426.00.0.25.5.29.9.54.4.70.525.5....100.0.................100.0...8.35.610.26.845.910.2..................28.42.8
petite trouée (100-500 m2)........50.0.100.0.20.87.00.0...19.1.............0.0.....0.0.22.914.225.2.16.9.18.88.520.19.00.0.....0.0.0.0.0.0.....0.0.35.1.100.0.22.2...0.0.22.514.0..42.2...........20.8.0.0.........17.1.33.8.16.6.100.0.....25.1.0.0...30.6.100.0.49.225.00.0.0.0.29.5.....0.0.................0.0...27.88.944.911.18.85.9..................22.02.6
trouée moyenne (500-1000 m2)........0.0.0.0.23.07.240.722.2..19.7.............0.0.....0.0.54.516.70.0.66.519.310.26.749.911.20.0.....100.0.0.0.0.0.....0.0.0.0.0.0.26.2...0.0.9.6...0.0...........20.8.0.0.........34.519.633.1.32.819.20.0.....0.0.100.00.0..0.0.0.0.0.0.35.8.0.0.0.0.....0.0.................0.0...43.59.925.39.825.18.9..................25.52.7
grande trouée (1000-5000 m2)........0.0.0.0.18.76.922.0...19.7.............0.0.....26.615.911.0.50.025.016.6.37.910.619.98.9100.00.0....0.0.0.0.0.0.....0.0.64.928.00.0.25.4...54.1.22.413.9..0.0...........20.0.0.0.........15.7.0.0.34.319.50.0.....24.6.0.0...0.0.0.0.25.3.34.3.45.6.0.0.....0.0.................0.0...20.48.119.68.820.28.1..................21.82.6
très grande trouée (>5000 m2)........0.0.0.0.5.94.00.0...0.0.............50.0.....0.0.0.0.0.0.0.0.4.6.0.0.0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.11.5...0.0...........0.0.0.0.........15.7.0.0.0.0.0.0.....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...................2.20.9
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.
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)69.77.749.89.276.810.158.38.359.313.948.910.325.03.936.54.764.84.248.56.162.814.746.712.969.710.3100.0.71.113.949.59.249.68.236.08.7100.00.038.78.511.24.314.75.515.35.018.34.018.93.958.95.436.98.263.87.334.07.062.113.549.411.275.812.248.713.452.110.542.913.314.67.942.79.458.310.677.110.128.98.218.28.461.08.572.37.578.58.556.410.851.311.579.79.151.811.034.310.048.011.268.69.880.38.959.49.524.712.444.48.933.711.239.59.778.57.881.16.452.98.643.49.857.38.732.612.129.017.345.813.866.411.124.99.715.310.155.113.871.317.265.59.357.818.853.815.144.79.643.511.759.611.041.011.280.512.347.015.164.228.156.718.921.84.530.26.133.86.045.013.947.112.938.911.457.79.261.48.765.311.370.812.377.310.0..45.50.9
petite trouée (100-500 m2)10.95.213.36.25.6.14.15.914.89.824.18.719.93.626.24.211.32.820.74.90.0.33.312.20.0.0.0.10.6.12.55.94.93.424.38.00.0.12.25.723.75.834.07.413.24.718.94.024.24.319.24.325.27.315.35.432.97.030.612.825.49.88.1.13.79.025.89.129.212.411.37.621.37.833.010.26.5.7.24.934.210.515.26.38.44.60.0.4.7.21.79.64.9.14.37.715.37.19.36.313.07.015.08.033.39.125.312.636.58.721.49.630.08.910.65.88.34.614.76.026.58.615.36.36.9.14.5.23.611.911.27.530.610.435.012.815.09.80.0.14.86.813.3.36.614.614.66.838.511.520.09.037.511.10.0.35.014.30.0.27.416.726.94.929.76.119.55.029.412.526.411.433.211.110.15.69.45.20.0.0.0.5.4...18.90.7
trouée moyenne (500-1000 m2)2.7.9.65.35.6.16.76.30.0.17.88.015.73.319.43.99.92.613.04.08.9.13.38.710.06.70.0.9.0.21.37.713.65.716.86.90.0.12.15.726.16.022.86.426.76.128.24.619.43.911.03.523.67.39.14.415.05.30.0.20.79.27.9.22.311.322.18.715.810.230.511.213.46.38.75.95.3.20.97.638.010.617.46.58.34.64.3.19.88.85.2.5.0.9.66.517.68.116.38.613.57.20.0.3.6.17.311.19.75.322.49.912.06.56.94.75.33.711.45.44.2.9.55.218.79.828.116.916.110.411.27.524.69.635.212.915.910.40.0.4.0.0.0.0.0.11.36.218.09.34.8.10.57.010.3.0.0.35.8.0.0.23.94.726.35.827.35.60.0.13.18.75.4.17.87.225.47.817.49.121.010.811.97.9..15.40.7
grande trouée (1000-5000 m2)16.66.223.57.85.6.8.14.525.912.79.36.336.84.417.93.713.23.017.84.728.313.86.7.20.39.10.0.9.3.12.96.126.07.416.16.60.0.33.98.337.16.626.26.842.96.832.44.837.64.811.03.514.46.011.85.018.15.87.3.4.6.8.1.7.7.0.0.12.28.243.611.915.27.00.0.4.5.32.98.89.66.56.34.411.15.217.27.919.18.611.07.310.46.919.38.722.18.826.510.10.0.4.8.3.7.32.713.59.35.122.59.915.07.04.0.5.33.621.17.025.98.517.96.741.812.828.417.014.59.611.37.515.48.214.59.56.7.28.717.211.76.413.2.9.6.29.48.80.0.15.78.311.07.49.1.18.011.50.0.0.0.26.34.813.94.617.84.97.5.13.48.822.59.96.64.53.7.11.07.38.1.5.4...18.50.7
très grande trouée (>5000 m2)0.0.3.7.6.4.2.7.0.0.0.0.2.61.50.0.0.9.0.0.0.0.0.0.0.0.0.0.0.0.3.8.5.94.16.84.70.0.3.1.1.9.2.3.1.9.2.21.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.6.0.0.0.0.0.0.7.45.00.0.6.5.10.05.50.0.0.0.0.0.0.0.0.0.10.87.20.0.5.0.10.77.00.0.5.0.0.0.0.0.0.0.0.0.0.0.3.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.4.0.0.7.4.0.0.4.0.15.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.15.9.1.2.0.0.1.6.18.011.40.0.0.0.7.85.20.0.6.3.0.0.0.0...1.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...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)69.77.749.89.276.810.158.38.358.212.946.910.026.43.536.54.664.84.248.15.862.814.746.712.969.710.3100.0.71.113.949.59.249.68.036.08.7100.00.045.37.711.24.015.55.413.84.520.13.717.43.557.45.436.98.263.87.333.36.965.012.751.910.975.812.248.713.454.010.235.611.713.97.540.78.758.310.674.39.930.27.318.28.460.98.272.37.578.58.556.410.851.311.579.79.149.19.937.19.948.011.268.69.880.38.959.49.522.29.843.48.529.39.338.19.478.57.881.16.452.68.140.39.357.38.738.711.525.415.540.911.961.210.627.59.625.010.855.113.871.317.266.79.157.818.853.815.144.79.643.511.759.611.041.011.280.512.347.015.173.622.556.718.918.63.824.95.037.25.245.013.947.112.938.911.457.79.261.48.765.311.370.812.377.310.0..44.00.9
petite trouée (100-500 m2)10.95.213.36.25.6.14.15.919.010.027.28.920.13.225.24.111.32.820.64.70.0.33.312.20.0.0.0.10.6.12.55.94.73.324.38.00.0.9.94.723.65.433.37.013.64.518.93.623.53.918.74.225.27.315.35.432.26.928.212.024.19.48.1.13.79.024.88.830.211.315.78.521.47.333.010.25.9.11.05.234.210.516.86.38.44.60.0.4.7.21.79.64.9.15.67.214.76.99.36.313.07.015.08.033.39.122.59.936.38.320.28.132.59.010.65.88.34.615.85.924.68.115.36.310.77.225.315.429.711.19.66.527.99.634.011.515.09.80.0.14.26.613.3.36.614.614.66.838.511.520.09.037.511.10.0.35.014.30.0.27.416.727.14.333.65.416.54.029.412.526.411.433.211.110.15.69.45.20.0.0.0.5.4...19.10.7
trouée moyenne (500-1000 m2)2.7.9.65.35.6.16.76.30.0.17.07.817.23.020.33.99.92.613.44.08.9.13.38.710.06.70.0.9.0.21.37.713.15.516.86.90.0.9.84.630.25.820.85.930.76.024.94.024.43.910.73.423.67.39.14.416.75.40.0.19.78.87.9.22.311.321.28.413.18.629.010.815.06.28.75.94.8.18.26.238.010.616.46.28.34.64.3.19.88.85.2.5.0.11.86.416.97.816.38.613.57.20.0.3.6.23.110.111.85.525.08.911.66.36.94.75.33.710.24.911.16.19.55.215.68.424.615.112.28.114.77.822.48.929.011.115.910.40.0.3.9.0.0.0.0.11.36.218.09.34.8.10.57.010.3.0.0.26.4.0.0.28.54.326.15.026.74.80.0.13.18.75.4.17.87.225.47.817.49.121.010.811.97.9..16.30.7
grande trouée (1000-5000 m2)16.66.223.57.85.6.8.14.522.811.48.96.032.93.818.03.713.23.017.94.528.313.86.7.20.39.10.0.9.3.12.96.124.87.116.16.60.0.32.57.433.35.928.36.740.26.433.44.434.74.313.23.714.46.011.85.017.85.76.7.4.3.8.1.7.7.0.0.21.19.541.411.516.46.80.0.8.96.130.37.59.66.56.04.111.15.217.27.919.18.611.07.310.46.919.57.821.28.526.510.10.0.4.8.3.7.26.910.38.54.725.59.014.56.74.0.5.33.621.46.724.08.017.96.734.911.424.815.217.19.114.57.718.18.212.07.96.7.28.717.211.36.213.2.9.6.29.48.80.0.15.78.311.07.49.1.18.011.50.0.0.0.24.94.215.44.118.44.27.5.13.48.822.59.96.64.53.7.11.07.38.1.5.4...18.80.7
très grande trouée (>5000 m2)0.0.3.7.6.4.2.7.0.0.0.0.3.31.50.0.0.9.0.0.0.0.0.0.0.0.0.0.0.0.3.8.7.84.46.84.70.0.2.5.1.7.2.1.1.7.2.61.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.6.0.0.0.0.0.0.6.54.40.0.5.9.10.44.90.0.0.0.0.0.0.0.0.0.10.87.20.0.4.0.10.26.80.0.5.0.0.0.0.0.5.3.0.0.0.0.3.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.1.0.0.7.4.0.0.3.9.15.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.15.9.0.9.0.0.1.1.18.011.40.0.0.0.7.85.20.0.6.3.0.0.0.0...1.80.2
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 #2300673/638605

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. 2300673. Birmensdorf, Swiss Federal Research Institute WSL

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