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IFN4
surface forestière
forêt de protection contre des processus liés aux cours d'eau (2022) · degré de fermeture
découpage régional: canton
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
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSuisse
forêt de protection contre des processus liés aux cours d'eau (2022)degré de fermeture%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indicationpas d'indication....................................................
comprimé....................................................
normal....................................................
lâche....................................................
aéré....................................................
clairièré....................................................
en collectifs serrés....................................................
en collectifs normaux....................................................
fermeture étagée....................................................
total....................................................
à l'interieurpas d'indication..9.89.40.0.3.01.30.0.2.22.1..0.0.3.31.20.0.6.25.90.0.0.0.0.0.2.81.9..0.0.5.63.90.0.0.40.40.0.0.0.1.71.013.112.10.0.2.10.4
comprimé..33.015.851.017.721.73.120.117.915.55.4..41.812.014.42.528.59.949.111.215.514.318.116.623.97.935.65.6..42.318.732.67.919.712.541.73.439.69.846.77.620.83.00.0.16.07.327.21.3
normal..11.610.949.017.722.63.259.921.826.76.9..23.110.214.22.438.210.630.910.50.0.21.318.825.67.926.75.3..27.716.825.97.570.414.420.02.827.99.030.57.115.02.710.710.240.19.821.71.2
lâche..21.413.60.0.9.42.220.117.914.55.5..0.0.7.81.914.27.64.74.634.719.70.0.3.03.06.42.8..15.914.45.84.09.89.44.71.512.46.78.84.28.52.133.615.915.67.28.30.8
aéré..14.212.90.0.16.22.80.0.7.44.2..16.98.920.22.89.56.49.26.217.315.839.421.929.88.811.13.7..14.113.19.05.00.0.12.22.38.25.62.32.320.83.110.710.228.39.115.51.1
clairièré..0.0.0.0.4.61.60.0.13.75.7..0.0.14.52.40.0.0.0.0.0.0.0.10.35.87.33.2..0.0.6.34.30.0.5.81.54.03.94.53.19.12.210.710.20.0.7.50.8
en collectifs serrés..9.89.40.0.3.71.50.0.13.05.5..12.38.16.81.80.0.0.0.0.0.0.0.3.03.05.52.7..0.0.2.92.80.0.5.31.60.0.4.93.32.81.210.710.20.0.4.70.6
en collectifs normaux..0.0.0.0.6.01.80.0.4.63.2..6.15.913.02.30.0.0.0.32.519.10.0.4.34.24.62.6..0.0.8.44.70.0.7.41.87.95.40.0.4.51.50.0.0.0.6.50.7
fermeture étagée..0.0.0.0.12.72.50.0.2.52.4..0.0.5.91.69.56.40.0.0.0.21.318.80.0.0.0...0.0.3.53.40.0.2.31.00.0.2.42.316.92.810.49.90.0.6.60.7
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.
à l'extérieurpas d'indication0.90.90.0.0.0.1.90.80.0.3.02.122.119.20.0.3.51.30.0.0.0.0.0.0.0.9.06.00.0.0.0.0.0.3.63.50.0.0.0.0.0.1.60.94.22.10.0.0.0.1.50.3
comprimé29.84.282.016.240.512.026.92.635.47.343.86.058.422.227.48.910.12.140.86.225.54.314.53.841.914.420.88.421.05.241.68.223.74.918.76.428.05.844.86.521.19.428.73.227.14.60.0.30.14.227.11.0
normal44.84.518.016.234.411.532.52.745.27.620.24.819.517.68.25.616.32.628.05.636.14.726.04.936.014.231.49.943.46.244.58.342.15.627.37.430.46.016.04.911.67.732.83.312.93.576.320.934.94.430.11.1
lâche13.43.10.0.0.0.7.91.611.85.09.53.40.0.9.06.014.32.512.54.27.42.511.83.70.0.0.0.7.33.28.44.612.23.814.96.223.15.43.62.55.85.77.71.98.52.923.720.917.03.510.40.7
aéré9.32.70.0.7.47.116.22.15.03.48.63.40.0.12.56.825.23.17.93.420.03.918.04.315.09.95.55.37.33.12.82.815.64.211.75.511.54.112.74.217.39.015.32.619.34.10.0.11.02.914.60.8
clairièré0.80.80.0.12.68.44.01.12.62.611.94.10.0.17.07.715.12.54.52.62.81.62.61.87.06.815.38.16.43.12.82.86.42.88.34.65.53.14.82.716.78.88.32.016.03.80.0.2.61.57.00.6
en collectifs serrés0.0.0.0.0.0.2.30.90.0.1.81.80.0.17.57.95.01.50.0.1.21.21.21.20.0.4.54.43.12.20.0.0.0.3.03.00.0.9.83.811.07.31.60.93.31.90.0.0.80.82.40.4
en collectifs normaux0.0.0.0.5.15.03.71.10.0.1.21.20.0.8.45.78.11.91.71.71.71.23.92.20.0.0.0.9.93.90.0.0.0.6.64.51.71.74.92.85.55.30.50.50.0.0.0.1.81.32.90.4
fermeture étagée0.90.90.0.0.0.4.71.20.0.0.0.0.0.0.0.2.51.14.62.65.32.321.94.70.0.13.67.41.61.60.0.0.0.5.84.00.0.3.42.411.17.43.41.38.72.90.0.1.71.24.00.5
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.
totalpas d'indication0.90.96.05.80.0.2.30.70.0.2.71.622.119.20.0.3.40.90.0.1.01.00.0.0.0.4.02.71.51.00.0.0.0.4.62.60.0.0.30.30.0.1.30.82.61.09.38.70.0.1.70.2
comprimé29.84.252.213.043.910.025.02.033.86.933.44.558.422.233.37.312.31.637.85.329.34.114.63.735.311.722.55.728.73.941.68.225.34.825.85.226.85.342.43.031.97.131.83.022.92.50.0.27.73.827.10.8
normal44.84.514.19.239.29.828.92.146.87.322.64.019.517.614.35.415.21.830.55.035.24.324.14.631.911.628.16.334.64.144.58.340.95.426.65.336.05.819.22.421.16.332.43.014.32.130.112.735.84.026.80.8
lâche13.43.113.08.70.0.8.51.312.74.911.33.00.0.5.33.610.91.512.93.77.02.313.53.70.0.1.71.76.82.18.44.612.53.710.33.721.24.94.51.39.64.67.91.78.51.730.712.916.83.19.60.5
aéré9.32.78.78.25.04.816.21.74.43.18.12.60.0.14.35.422.62.18.33.018.33.518.04.221.89.819.15.79.32.52.82.815.54.010.43.79.93.612.32.012.05.013.12.220.32.47.57.314.02.914.90.7
clairièré0.80.80.0.8.45.84.30.92.32.312.53.30.0.10.04.814.81.83.41.92.31.32.51.75.04.912.54.86.92.22.82.85.92.67.33.14.72.65.61.39.34.47.71.711.41.97.57.32.11.27.20.5
en collectifs serrés0.0.6.05.80.0.2.80.80.0.5.92.40.0.15.35.75.91.20.0.1.01.01.11.10.0.3.72.54.41.80.0.0.0.2.92.10.0.6.31.54.63.22.21.03.01.07.57.30.70.73.30.3
en collectifs normaux0.0.0.0.3.43.44.51.00.0.2.51.40.0.7.54.110.61.51.31.31.51.05.92.60.0.2.42.47.12.30.0.0.0.7.53.31.41.46.91.56.93.80.40.42.91.00.0.1.51.14.30.4
fermeture étagée0.90.90.0.0.0.7.61.20.0.0.90.90.0.0.0.4.21.05.82.54.52.020.44.46.05.86.03.40.80.80.0.0.0.4.62.60.0.2.50.94.63.23.21.114.02.17.37.11.41.05.00.4
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.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1386282/568054

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. 1386282. Birmensdorf, Swiss Federal Research Institute WSL

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