Recherche dans d’anciens sets de données

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IFN4
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.80.60.0.0.0.0.60.30.0.2.31.110.510.50.0.0.30.20.0.0.50.50.0.0.0.1.01.00.80.60.0.0.0.0.0.0.0.0.20.20.0.0.40.30.20.20.0.0.50.50.50.1
zones supérieures0.0.3.93.90.0.1.90.50.0.1.80.90.0.0.0.2.30.50.0.1.50.80.0.3.33.33.11.81.50.80.0.0.0.3.31.50.0.0.50.30.0.0.40.32.50.72.62.60.0.1.30.1
total0.80.63.93.90.0.2.60.50.0.4.11.410.510.50.0.2.60.50.0.2.01.00.0.3.33.34.22.02.30.90.0.0.0.3.31.50.0.0.60.30.0.0.90.42.70.72.62.60.50.51.80.2
comprimézones inférieures35.13.115.36.128.97.117.61.338.95.124.92.931.615.912.23.53.80.635.83.719.12.65.81.914.95.711.23.221.62.342.06.627.63.613.42.831.14.521.81.611.03.419.01.75.60.912.26.229.22.917.70.5
zones supérieures0.0.26.48.517.66.09.51.01.31.38.81.90.0.14.84.17.90.92.81.210.32.17.62.219.16.813.03.310.11.90.0.2.91.412.42.60.0.10.81.211.63.69.61.312.61.45.13.41.20.78.50.4
total35.13.141.89.646.57.927.11.540.35.033.83.131.615.927.05.111.71.138.63.729.43.213.52.734.08.224.14.031.72.842.06.630.53.725.83.631.14.532.61.922.64.628.52.018.21.617.37.130.42.926.30.6
normalzones inférieures39.13.19.65.518.26.116.61.234.64.812.62.431.615.97.52.93.90.625.93.422.12.812.72.614.06.14.92.216.62.148.86.727.93.58.22.332.24.612.91.37.63.015.51.53.30.712.86.334.73.015.40.4
zones supérieures0.0.6.84.912.55.18.71.01.21.27.11.70.0.11.63.710.61.03.81.39.62.19.82.35.43.918.24.111.22.00.0.6.41.914.42.90.70.77.01.09.93.213.11.59.51.210.76.00.50.58.40.4
total39.13.116.46.930.77.325.41.535.84.919.72.831.615.919.04.514.51.229.73.531.73.222.53.419.46.923.04.427.92.748.86.734.33.722.63.432.94.619.91.617.54.228.72.012.81.423.48.135.23.023.90.5
lâchezones inférieures11.32.13.93.75.03.75.00.712.83.54.91.50.0.1.51.52.60.58.82.25.81.66.42.10.0.1.11.13.41.14.62.612.42.63.81.720.64.01.50.51.21.23.40.81.30.532.78.815.52.35.10.3
zones supérieures0.0.10.76.15.03.73.90.60.0.6.51.60.0.3.02.19.11.01.71.03.11.210.92.50.0.3.52.05.01.40.0.2.61.36.02.00.0.3.20.74.82.44.30.97.41.13.13.10.50.54.70.3
total11.32.114.67.010.15.08.91.012.83.511.52.20.0.4.52.511.71.110.52.48.92.017.33.10.0.4.72.38.41.84.62.615.02.99.82.520.64.04.70.96.12.67.71.28.71.235.78.815.92.49.80.4
aérézones inférieures10.02.00.0.0.0.6.50.810.23.14.71.621.114.03.62.02.60.57.72.06.71.76.82.12.12.11.01.02.30.93.12.112.12.63.01.48.62.64.20.83.02.05.21.04.70.97.15.113.32.25.50.3
zones supérieures0.0.11.76.41.91.98.00.90.0.5.51.50.0.12.43.714.51.21.10.88.92.09.92.511.75.713.43.46.11.50.0.1.81.010.92.60.0.8.01.17.53.011.11.415.91.52.62.60.0.8.70.4
total10.02.011.76.41.91.914.51.210.23.110.22.221.114.016.04.117.21.38.82.215.62.616.83.213.86.014.43.58.41.83.12.113.92.713.92.98.62.612.21.310.53.516.41.720.61.79.75.713.32.214.20.5
clairièrézones inférieures2.10.90.0.4.43.11.30.40.90.91.20.85.24.90.0.1.20.42.31.21.90.90.70.75.64.01.41.01.50.81.51.53.71.51.51.04.92.11.90.51.11.10.40.33.20.70.0.2.10.91.70.2
zones supérieures0.0.3.93.73.23.23.60.60.0.5.81.60.0.9.73.214.61.22.41.21.50.83.61.78.85.011.73.26.71.50.0.0.0.7.02.10.0.8.71.16.42.88.21.215.21.55.64.00.0.7.20.3
total2.10.93.93.77.64.44.90.70.90.96.91.75.24.99.73.215.81.24.71.63.41.34.31.814.46.113.13.48.21.71.51.53.71.58.52.34.92.110.61.27.43.08.61.318.51.65.64.02.10.98.90.4
en collectifs serrészones inférieures0.40.43.93.90.0.0.50.20.0.0.50.50.0.1.51.50.80.30.60.60.0.0.70.70.0.1.11.10.70.50.0.1.51.10.0.0.0.5.10.91.21.20.40.30.90.40.0.0.40.41.10.1
zones supérieures0.0.3.93.70.0.4.20.70.0.8.11.90.0.12.73.79.41.00.0.1.50.81.41.06.44.53.21.84.01.20.0.1.10.86.42.10.0.4.10.811.93.53.90.93.40.83.13.10.0.4.30.3
total0.40.47.85.30.0.4.60.70.0.8.51.90.0.14.24.010.21.00.60.61.50.82.01.26.44.54.42.14.71.30.0.2.71.36.42.10.0.9.21.213.13.74.30.94.30.93.13.10.40.45.40.3
en collectifs normauxzones inférieures0.0.0.0.0.0.0.60.30.0.1.90.90.0.1.21.21.00.30.0.0.0.2.31.43.33.30.0.0.80.60.0.0.0.0.60.61.91.41.00.40.0.0.0.0.70.40.0.1.60.80.70.1
zones supérieures0.0.0.0.3.23.22.80.60.0.1.90.90.0.7.22.810.11.01.70.91.50.93.21.60.0.8.52.86.81.60.0.0.0.6.11.90.0.6.11.012.13.61.90.63.20.70.0.0.0.4.20.3
total0.0.0.0.3.23.23.40.60.0.3.71.30.0.8.43.011.11.11.70.91.50.95.52.03.33.38.52.87.61.60.0.0.0.6.62.01.91.47.01.012.13.61.90.64.00.80.0.1.60.84.90.3
fermeture étagéezones inférieures1.20.70.0.0.0.3.40.60.0.0.0.0.0.0.0.0.40.24.81.62.41.12.91.20.0.0.0.0.40.40.0.0.0.0.0.0.0.0.30.22.51.80.40.30.90.42.62.60.70.51.20.1
zones supérieures0.0.0.0.0.0.5.30.80.0.1.60.90.0.1.21.24.70.70.60.63.61.315.32.85.43.93.61.80.40.40.0.0.0.3.01.50.0.2.90.78.12.92.70.79.31.20.0.0.0.3.80.2
total1.20.70.0.0.0.8.71.00.0.1.60.90.0.1.21.25.10.75.41.76.11.718.23.05.43.93.61.80.80.60.0.0.0.3.01.50.0.3.20.710.63.43.10.810.21.32.62.60.70.55.00.3
totalzones inférieures100.0.32.78.456.67.852.01.497.51.852.93.1100.0.27.44.616.71.186.02.358.52.738.33.140.08.221.84.248.12.6100.0.85.32.930.53.399.30.748.81.827.65.144.71.920.81.667.38.397.90.948.90.5
zones supérieures0.0.67.38.443.47.848.01.42.51.847.13.10.0.72.64.683.31.114.02.341.52.761.73.160.08.278.24.251.92.60.0.14.72.969.53.30.70.751.21.872.45.155.31.979.21.632.78.32.10.951.10.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877698/344030
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures2.00.30.50.20.0.0.20.20.20.20.0.0.90.1
zones supérieures0.20.14.40.73.80.81.70.63.00.70.90.41.90.2
total2.20.34.90.73.80.81.90.63.20.70.90.42.80.2
comprimézones inférieures26.00.98.80.914.71.44.40.93.90.815.91.516.00.5
zones supérieures2.00.310.11.010.51.38.31.27.71.19.41.16.50.3
total28.01.018.91.325.31.812.71.411.61.325.31.822.50.6
normalzones inférieures30.11.09.30.910.21.26.31.13.90.813.51.317.10.5
zones supérieures4.30.416.31.210.51.212.11.411.81.38.91.19.20.4
total34.41.025.61.420.71.718.41.715.81.522.41.726.30.6
lâchezones inférieures11.50.73.80.65.40.92.20.61.10.47.61.17.00.3
zones supérieures3.00.48.10.97.61.19.41.310.61.26.71.06.30.3
total14.50.811.91.113.11.411.61.411.71.314.31.413.30.5
aérézones inférieures8.30.63.80.67.31.13.00.82.90.75.10.95.90.3
zones supérieures4.10.49.81.012.21.313.21.517.21.57.91.18.80.4
total12.40.713.61.119.51.616.21.620.11.613.01.314.70.5
clairièrézones inférieures3.40.41.60.41.40.51.90.61.90.61.70.52.40.2
zones supérieures1.70.36.00.86.71.09.41.311.61.34.90.95.20.3
total5.00.57.60.98.21.111.31.413.51.46.61.07.60.4
en collectifs serrészones inférieures0.70.20.30.20.30.21.60.60.80.43.00.71.00.1
zones supérieures0.60.26.50.83.80.810.01.36.91.04.90.84.10.3
total1.30.26.80.84.10.811.61.47.81.17.81.15.00.3
en collectifs normauxzones inférieures0.20.10.30.20.0.1.50.51.60.50.30.20.50.1
zones supérieures0.40.14.40.73.50.810.01.36.01.04.50.83.50.2
total0.70.24.80.73.50.811.41.47.61.14.80.84.00.3
fermeture étagéezones inférieures0.80.21.00.30.40.30.80.40.60.30.50.30.70.1
zones supérieures0.60.24.90.71.50.54.20.98.11.14.30.83.10.2
total1.40.35.90.81.90.65.01.08.81.14.90.93.80.3
totalzones inférieures83.00.729.51.339.81.721.81.717.01.447.71.751.40.5
zones supérieures17.00.770.51.360.21.778.21.783.01.452.31.748.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877699/344031
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures2.00.30.50.20.0.0.20.20.10.10.0.0.80.1
zones supérieures0.20.14.10.63.40.71.50.52.60.60.80.31.70.2
total2.20.34.60.63.40.71.60.52.70.60.80.32.60.2
comprimézones inférieures25.70.98.50.913.61.34.30.83.60.714.11.215.10.4
zones supérieures2.10.310.10.910.61.28.61.18.11.09.21.06.70.3
total27.81.018.61.224.31.713.01.411.71.223.41.521.80.5
normalzones inférieures29.71.09.00.99.91.15.60.93.40.711.41.115.90.4
zones supérieures4.30.416.01.110.01.211.41.310.91.18.21.09.00.4
total34.01.025.01.419.81.517.11.514.31.319.51.424.90.6
lâchezones inférieures11.40.73.50.65.70.92.10.61.00.47.20.96.60.3
zones supérieures3.00.47.90.87.71.08.91.29.91.15.90.86.20.3
total14.30.811.41.013.41.311.01.310.91.213.01.212.80.4
aérézones inférieures8.30.63.50.66.81.03.20.72.70.64.70.85.60.3
zones supérieures4.10.49.70.912.11.312.11.416.31.47.30.98.70.4
total12.40.713.21.118.91.515.31.519.01.512.01.214.30.5
clairièrézones inférieures3.50.41.50.41.30.41.80.62.20.62.30.52.40.2
zones supérieures2.00.36.70.87.81.012.31.413.01.210.11.16.90.3
total5.50.58.20.99.11.114.11.415.11.312.41.19.30.4
en collectifs serrészones inférieures0.70.20.30.20.30.21.60.51.00.42.60.61.00.1
zones supérieures0.70.27.80.85.00.810.81.39.21.15.80.85.10.3
total1.40.38.10.95.30.912.41.410.21.18.41.06.10.3
en collectifs normauxzones inférieures0.20.10.40.20.20.21.30.51.40.40.40.20.50.1
zones supérieures0.60.24.70.73.50.79.51.26.20.95.20.83.80.2
total0.90.25.10.73.60.710.81.37.61.05.70.84.30.3
fermeture étagéezones inférieures0.80.21.10.30.30.20.70.30.50.30.80.30.80.1
zones supérieures0.60.24.70.71.80.54.00.88.01.04.10.73.10.2
total1.40.35.80.72.20.64.70.98.51.04.90.83.90.3
totalzones inférieures82.30.728.41.238.01.620.81.615.81.243.41.648.80.5
zones supérieures17.70.771.61.262.01.679.21.684.21.256.61.651.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 16.05.2020 #877700/344032
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures1.90.30.50.20.0.0.20.20.10.10.0.0.80.1
zones supérieures0.20.14.20.63.40.71.50.52.50.60.80.31.70.2
total2.10.34.70.63.40.71.60.52.70.60.80.32.60.2
comprimézones inférieures25.70.98.50.913.51.34.30.83.60.713.91.215.00.4
zones supérieures2.10.310.10.910.51.28.61.17.91.09.11.06.70.3
total27.71.018.51.224.11.612.91.411.61.223.01.521.70.5
normalzones inférieures29.50.98.80.910.31.25.60.93.40.711.71.115.90.4
zones supérieures4.40.415.91.19.91.111.51.310.81.18.11.09.00.4
total33.91.024.71.320.21.517.11.514.21.319.81.424.90.5
lâchezones inférieures11.30.73.50.65.80.92.00.60.90.47.00.96.60.3
zones supérieures2.90.47.70.87.51.08.81.29.91.16.10.86.10.3
total14.30.811.21.013.31.310.91.310.81.113.11.212.70.4
aérézones inférieures8.30.63.50.66.91.03.10.72.80.64.60.85.70.3
zones supérieures4.20.49.70.911.91.212.01.316.01.47.10.98.60.4
total12.50.713.21.118.71.515.21.518.81.411.71.214.30.5
clairièrézones inférieures3.60.41.40.41.20.41.80.62.10.52.30.52.40.2
zones supérieures2.00.36.90.87.81.012.41.413.61.210.31.07.00.3
total5.60.58.30.99.01.114.21.415.71.312.51.19.50.4
en collectifs serrészones inférieures0.70.20.40.20.30.21.60.51.00.42.70.61.00.1
zones supérieures0.70.28.00.85.40.910.71.39.11.15.80.85.20.3
total1.40.38.40.95.60.912.31.410.11.18.51.06.20.3
en collectifs normauxzones inférieures0.20.10.40.20.20.21.30.51.40.40.40.20.50.1
zones supérieures0.70.24.90.73.40.710.01.36.20.95.10.83.90.2
total1.00.25.30.73.50.711.21.37.61.05.50.84.40.3
fermeture étagéezones inférieures0.80.21.10.30.30.20.70.30.50.30.90.30.80.1
zones supérieures0.60.24.60.61.80.53.90.88.01.04.10.73.10.2
total1.40.35.70.72.10.64.60.98.51.05.00.83.90.2
totalzones inférieures82.10.728.11.238.51.620.61.515.91.243.51.548.60.5
zones supérieures17.90.771.91.261.51.679.41.584.11.256.51.551.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877701/344033
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures1.90.30.60.20.0.0.20.20.10.10.0.0.80.1
zones supérieures0.20.14.40.63.40.71.60.52.40.50.70.31.70.2
total2.10.35.00.63.40.71.80.52.50.50.70.32.60.2
comprimézones inférieures25.80.98.10.813.21.24.40.83.40.614.61.215.00.4
zones supérieures2.30.39.90.910.91.19.61.17.80.99.71.06.90.3
total28.00.918.01.124.11.514.01.311.21.124.31.421.90.5
normalzones inférieures29.10.98.70.810.41.15.90.93.20.611.81.115.80.4
zones supérieures4.30.415.91.19.81.111.41.210.61.18.00.98.90.3
total33.51.024.61.320.21.417.21.513.81.219.81.324.70.5
lâchezones inférieures11.30.63.70.65.10.82.10.61.40.46.80.96.60.3
zones supérieures2.90.37.90.87.41.08.81.110.01.16.20.86.20.3
total14.20.711.61.012.51.211.01.211.51.113.01.212.80.4
aérézones inférieures8.40.63.60.66.60.93.20.73.20.64.30.75.70.3
zones supérieures4.10.410.10.912.11.211.51.215.61.36.70.88.50.3
total12.50.713.71.018.71.414.71.418.91.411.01.114.20.4
clairièrézones inférieures3.60.41.40.31.50.51.60.51.90.52.20.52.40.2
zones supérieures2.00.36.60.77.71.011.71.313.71.29.91.06.90.3
total5.70.58.00.89.31.113.31.315.61.312.11.19.30.3
en collectifs serrészones inférieures0.80.20.40.20.20.21.80.50.90.32.50.51.00.1
zones supérieures0.70.27.70.85.40.810.51.28.71.06.10.85.10.3
total1.50.28.10.85.70.812.21.39.61.08.50.96.10.3
en collectifs normauxzones inférieures0.20.10.40.20.40.21.10.41.30.40.40.20.50.1
zones supérieures0.80.25.10.63.40.710.21.27.00.94.90.74.10.2
total1.00.25.50.73.80.711.31.28.41.05.20.74.60.3
fermeture étagéezones inférieures0.80.20.90.30.30.20.60.30.50.20.90.30.70.1
zones supérieures0.70.24.50.62.00.53.80.78.11.04.40.73.20.2
total1.50.25.50.72.30.64.40.88.61.05.30.83.90.2
totalzones inférieures81.90.627.91.137.91.520.91.516.01.243.51.548.50.5
zones supérieures18.10.672.11.162.11.579.11.584.01.256.51.551.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877702/344034
IFN4
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.80.20.20.10.0.0.20.20.40.20.10.10.40.1
zones supérieures0.10.12.60.51.60.52.40.62.00.50.90.31.30.1
total0.90.22.80.51.60.52.50.62.40.61.00.31.70.2
comprimézones inférieures28.61.012.21.015.61.35.40.92.40.518.81.317.40.5
zones supérieures3.30.413.61.013.31.312.21.37.30.910.31.08.50.3
total31.91.025.71.328.91.717.61.59.71.129.11.625.90.5
normalzones inférieures28.60.96.90.811.71.23.10.73.60.710.91.114.90.4
zones supérieures4.00.413.61.011.71.28.91.19.31.08.20.98.20.3
total32.61.020.51.223.41.612.01.312.91.219.11.423.10.5
lâchezones inférieures9.80.62.40.53.30.71.30.42.50.51.70.54.90.3
zones supérieures2.10.35.80.75.00.86.91.09.41.04.20.74.80.3
total11.90.78.20.98.21.18.21.111.91.25.80.89.70.4
aérézones inférieures9.40.62.60.52.60.64.70.92.80.63.80.75.40.3
zones supérieures3.60.410.70.98.31.015.31.515.31.38.20.98.60.4
total13.10.713.31.110.91.220.11.618.11.411.91.114.00.4
clairièrézones inférieures2.20.30.60.21.50.53.40.71.20.41.60.41.80.2
zones supérieures1.80.37.50.87.31.016.71.514.01.211.41.17.70.3
total4.10.48.10.88.81.120.11.615.21.313.01.19.50.4
en collectifs serrészones inférieures0.40.10.60.20.80.40.80.40.50.34.30.71.10.1
zones supérieures0.50.27.50.87.31.04.20.811.11.15.00.84.80.3
total0.90.28.10.88.11.05.10.911.61.29.31.05.80.3
en collectifs normauxzones inférieures0.60.20.60.20.60.30.70.31.30.41.10.40.80.1
zones supérieures0.60.24.30.67.01.03.00.711.21.16.30.84.30.3
total1.20.24.90.77.61.03.70.812.61.27.40.95.10.3
fermeture étagéezones inférieures1.60.32.20.50.60.30.80.40.60.30.30.21.20.1
zones supérieures1.70.36.10.71.90.59.91.24.90.83.10.63.90.2
total3.30.48.30.92.50.610.81.35.60.83.40.65.10.3
totalzones inférieures82.20.728.21.236.71.620.41.515.41.242.51.547.90.5
zones supérieures17.80.771.81.263.31.679.61.584.61.257.51.552.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877703/344035
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région économique
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région économique
ouest du Juraest du Juraouest du Plateaucentre du Plateauest du Plateauouest des Préalpescentre des Préalpesest des Préalpesnord-ouest des Alpescentre des Alpesnord-est des Alpessud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.40.22.20.94.31.32.40.82.80.71.20.90.60.30.0.0.0.0.0.0.0.0.20.20.20.20.0.0.90.1
zones supérieures0.40.30.0.0.0.0.0.0.20.28.02.03.40.83.71.04.31.33.71.74.21.71.70.63.00.70.90.41.90.2
total0.90.42.20.94.31.32.40.83.00.79.22.14.00.83.71.04.31.33.71.74.21.71.90.63.20.70.90.42.80.2
comprimézones inférieures17.81.441.43.327.92.829.42.427.51.96.11.610.01.415.11.98.21.710.42.917.03.04.40.93.90.815.91.516.00.5
zones supérieures5.50.80.0.0.50.50.0.0.0.11.22.110.51.48.21.48.51.89.22.817.03.38.31.27.71.19.41.16.40.3
total23.31.541.43.328.42.829.42.427.51.917.32.320.51.923.32.316.72.319.73.834.04.112.71.411.61.325.31.822.40.6
normalzones inférieures20.11.435.93.230.23.135.42.538.02.16.91.711.31.511.51.77.61.510.12.97.12.06.31.13.90.813.51.317.10.5
zones supérieures10.81.10.50.52.21.00.20.20.50.319.12.713.61.612.31.818.92.410.72.95.52.112.11.411.81.38.91.19.20.4
total30.91.736.33.232.43.135.72.538.52.126.03.124.92.023.92.326.52.720.83.812.62.818.41.715.81.522.41.726.30.6
lâchezones inférieures8.31.012.72.311.02.113.11.814.71.52.41.16.41.26.31.30.80.66.72.42.41.22.20.61.10.47.61.17.00.3
zones supérieures7.20.90.0.2.31.00.60.40.40.39.32.07.41.26.81.38.21.712.93.25.82.29.41.310.61.26.71.06.30.3
total15.51.312.72.313.32.313.61.815.11.511.72.213.81.613.11.88.91.819.53.98.32.511.61.411.71.314.31.413.30.5
aérézones inférieures5.60.84.61.49.01.911.41.711.21.42.21.16.11.19.01.60.80.65.02.15.21.93.00.82.90.75.10.95.90.3
zones supérieures11.01.10.0.0.90.60.60.40.20.29.12.09.21.310.31.610.61.917.33.612.12.813.21.517.21.57.91.18.70.4
total16.61.44.61.49.92.012.01.711.41.411.32.315.31.619.32.111.52.022.34.017.33.316.21.620.11.613.01.314.60.5
clairièrézones inférieures2.90.62.71.15.51.53.71.03.20.80.70.72.80.82.20.80.0.0.0.0.70.71.90.61.90.61.70.52.40.2
zones supérieures4.30.70.0.1.30.80.0.0.0.6.31.94.90.95.61.38.11.75.62.211.82.99.41.311.61.34.90.95.30.3
total7.20.92.71.16.81.73.71.03.20.87.01.97.71.27.71.58.11.75.62.212.52.911.31.413.51.46.61.07.60.4
en collectifs serrészones inférieures0.50.30.0.1.70.80.90.50.60.40.0.0.20.20.50.40.90.60.0.0.0.1.60.60.80.43.00.71.00.1
zones supérieures1.40.40.0.0.80.60.0.0.0.7.21.84.40.92.50.89.11.84.72.16.52.110.01.36.91.04.90.84.10.3
total1.90.50.0.2.51.00.90.50.60.47.21.84.60.93.00.910.01.94.72.16.52.111.61.47.81.17.81.15.00.3
en collectifs normauxzones inférieures0.40.20.0.1.00.70.0.0.0.0.40.40.20.20.0.0.40.40.0.0.0.1.50.51.60.50.30.20.50.1
zones supérieures1.10.40.0.0.50.50.0.0.0.3.01.33.60.84.31.17.31.62.81.62.01.110.01.36.01.04.50.83.50.2
total1.50.50.0.1.40.80.0.0.0.3.41.33.80.84.31.17.81.72.81.62.01.111.41.47.61.14.80.84.00.3
fermeture étagéezones inférieures0.50.30.0.0.50.52.20.80.70.30.0.1.80.60.60.40.40.40.0.0.0.0.80.40.60.30.50.30.70.1
zones supérieures1.70.50.0.0.50.50.0.0.0.6.91.83.70.81.20.65.81.50.90.92.61.34.20.98.11.14.30.83.10.2
total2.20.50.0.1.00.72.20.80.70.36.91.85.51.11.80.76.21.50.90.92.61.35.01.08.81.14.90.93.90.3
totalzones inférieures56.51.599.50.591.01.998.60.698.70.520.02.539.41.945.22.319.11.932.24.132.43.421.81.717.01.447.71.751.50.5
zones supérieures43.51.50.50.59.01.91.40.61.30.580.02.560.61.954.82.380.91.967.84.167.63.478.21.783.01.452.31.748.50.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877704/344036
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région économique
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région économique
ouest du Juraest du Juraouest du Plateaucentre du Plateauest du Plateauouest des Préalpescentre des Préalpesest des Préalpesnord-ouest des Alpescentre des Alpesnord-est des Alpessud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.40.22.20.94.11.22.40.82.70.71.20.80.60.30.0.0.0.0.0.0.0.0.20.20.10.10.0.0.80.1
zones supérieures0.40.20.0.0.0.0.0.0.20.27.41.93.20.73.41.03.71.13.01.43.81.51.50.52.60.60.80.31.80.2
total0.80.32.20.94.11.22.40.82.90.78.62.03.80.83.41.03.71.13.01.43.81.51.60.52.70.60.80.32.60.2
comprimézones inférieures17.31.341.13.327.12.729.32.427.71.95.61.59.81.414.41.88.11.59.42.515.22.74.30.83.60.714.11.215.00.4
zones supérieures5.50.80.60.60.50.50.0.0.0.11.92.110.51.48.31.48.11.610.02.616.43.08.61.18.11.09.21.06.70.3
total22.91.541.73.327.62.729.32.427.71.917.52.320.21.822.72.216.12.119.43.531.63.713.01.411.71.223.41.521.70.5
normalzones inférieures19.61.336.13.129.53.035.62.537.52.06.91.711.01.411.11.67.31.410.72.76.31.85.60.93.40.711.41.115.90.4
zones supérieures10.81.10.50.52.10.90.20.20.50.318.22.613.61.512.11.718.22.28.82.45.51.911.41.310.91.18.21.09.00.4
total30.41.636.53.131.53.135.82.538.02.025.12.924.61.923.22.225.52.519.63.411.82.617.11.514.31.319.51.424.90.6
lâchezones inférieures8.11.012.52.210.92.113.11.814.81.52.31.06.11.16.21.30.70.57.12.23.51.42.10.61.00.47.20.96.70.3
zones supérieures7.10.90.0.2.21.00.60.40.40.38.61.87.31.26.91.38.11.612.32.95.92.08.91.29.91.15.90.86.20.3
total15.21.312.52.213.22.213.61.815.21.510.92.113.41.613.11.88.81.719.43.59.42.411.01.310.91.213.01.212.80.4
aérézones inférieures5.40.84.51.410.32.011.41.711.21.32.11.15.81.18.71.50.70.54.21.84.71.73.20.72.70.64.70.85.70.3
zones supérieures10.81.10.0.0.90.60.60.40.20.28.91.99.31.310.21.510.01.815.13.113.22.712.11.416.31.47.30.98.60.4
total16.21.34.51.411.22.112.01.711.41.411.02.215.21.618.92.110.71.819.23.517.93.115.31.519.01.512.01.214.20.5
clairièrézones inférieures2.80.62.61.16.01.63.71.03.60.80.60.62.70.72.00.80.0.0.0.0.60.61.80.62.20.62.30.52.40.2
zones supérieures5.30.80.0.1.30.70.0.0.0.6.51.85.10.95.81.210.21.88.52.413.12.812.31.413.01.210.11.16.90.3
total8.11.02.61.17.31.73.71.03.60.87.11.97.81.27.81.410.21.88.52.413.72.814.11.415.11.312.41.19.40.4
en collectifs serrészones inférieures0.60.30.0.1.60.80.90.50.60.30.0.0.20.20.50.40.80.50.0.0.0.1.60.51.00.42.60.61.00.1
zones supérieures1.60.50.0.0.80.60.0.0.0.9.01.95.21.04.01.010.71.86.32.16.52.010.81.39.21.15.80.85.10.3
total2.30.50.0.2.41.00.90.50.60.39.01.95.41.04.51.111.41.96.32.16.52.012.41.410.21.18.41.06.00.3
en collectifs normauxzones inférieures0.40.20.0.0.90.70.0.0.0.0.40.40.20.20.0.0.70.50.80.80.0.1.30.51.40.40.40.20.50.1
zones supérieures1.70.50.0.0.40.40.0.0.0.3.91.43.80.84.61.17.11.52.31.31.81.09.51.26.20.95.20.83.80.2
total2.10.50.0.1.40.80.0.0.0.4.31.44.00.94.61.17.81.63.11.51.81.010.81.37.61.05.70.84.40.3
fermeture étagéezones inférieures0.50.30.0.0.90.62.20.80.70.30.0.2.00.70.60.40.40.40.0.0.0.0.70.30.50.30.80.30.80.1
zones supérieures1.60.50.0.0.40.40.0.0.0.6.51.73.70.81.10.65.31.31.51.13.61.54.00.88.01.04.10.73.20.2
total2.10.50.0.1.30.82.20.80.70.36.51.75.71.01.70.75.71.41.51.13.61.54.70.98.51.04.90.83.90.3
totalzones inférieures55.21.599.00.791.41.898.60.698.70.519.12.438.31.943.52.218.61.832.23.730.23.120.81.615.81.243.41.648.80.5
zones supérieures44.81.51.00.78.61.81.40.61.30.580.92.461.71.956.52.281.41.867.83.769.83.179.21.684.21.256.61.651.20.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877705/344037
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région économique
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
région économique
ouest du Juraest du Juraouest du Plateaucentre du Plateauest du Plateauouest des Préalpescentre des Préalpesest des Préalpesnord-ouest des Alpescentre des Alpesnord-est des Alpessud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.40.22.20.94.01.22.30.82.70.71.10.80.60.30.0.0.0.0.0.0.0.0.20.20.10.10.0.0.80.1
zones supérieures0.40.20.0.0.0.0.0.0.20.27.91.93.40.83.40.93.61.12.91.43.71.51.50.52.50.60.80.31.80.2
total0.80.32.20.94.01.22.30.82.90.79.02.03.90.83.40.93.61.12.91.43.71.51.60.52.70.60.80.32.60.2
comprimézones inférieures17.11.341.13.327.52.729.42.427.71.95.51.49.61.314.21.88.11.59.22.415.42.74.30.83.60.713.91.214.90.4
zones supérieures5.50.80.60.60.50.50.0.0.0.12.12.110.51.48.11.47.81.610.62.716.03.08.61.17.91.09.11.06.70.3
total22.61.541.73.328.02.729.42.427.71.917.52.320.21.822.32.115.92.119.83.531.43.712.91.411.61.223.01.521.60.5
normalzones inférieures19.31.336.13.129.03.035.52.537.52.06.71.610.81.411.71.77.01.310.52.76.81.95.60.93.40.711.71.115.90.4
zones supérieures10.81.10.50.52.41.00.20.20.50.317.82.513.61.512.11.718.02.28.62.35.41.911.51.310.81.18.11.08.90.4
total30.11.636.53.131.43.035.82.538.02.024.52.924.51.923.82.225.02.419.13.312.22.617.11.514.21.319.81.424.90.5
lâchezones inférieures8.00.912.52.211.22.113.11.814.71.52.21.06.01.16.11.30.60.56.92.24.01.52.00.60.90.47.00.96.60.3
zones supérieures7.00.90.0.2.21.00.50.40.40.38.41.87.21.16.81.37.91.612.02.85.82.08.81.29.91.16.10.86.10.3
total15.01.312.52.213.42.213.61.815.11.510.62.013.21.512.91.88.51.618.93.49.82.410.91.310.81.113.11.212.70.4
aérézones inférieures5.60.84.51.410.22.011.21.711.11.32.01.06.01.18.81.50.70.54.11.75.11.83.10.72.80.64.60.85.70.3
zones supérieures10.91.10.0.0.80.60.60.40.20.29.01.99.51.310.01.59.61.714.73.012.92.712.01.316.01.47.10.98.50.4
total16.51.34.51.411.02.011.81.711.31.311.12.115.41.618.82.010.31.818.83.418.03.115.21.518.81.411.71.214.20.5
clairièrézones inférieures2.90.62.61.15.91.54.01.03.70.80.60.62.60.72.00.80.0.0.0.0.60.61.80.62.10.52.30.52.40.2
zones supérieures5.30.80.0.1.20.70.0.0.0.6.31.85.00.95.71.210.81.89.12.512.72.712.41.413.61.210.31.07.10.3
total8.21.02.61.17.21.74.01.03.70.87.01.87.71.27.61.410.81.89.12.513.32.714.21.415.71.312.51.19.50.4
en collectifs serrészones inférieures0.60.30.0.1.60.80.90.50.60.30.50.50.20.20.50.40.70.50.0.0.0.1.60.51.00.42.70.61.00.1
zones supérieures1.70.50.0.0.80.60.0.0.0.9.31.95.31.04.51.111.01.86.92.26.31.910.71.39.11.15.80.85.20.3
total2.40.50.0.2.41.00.90.50.60.39.82.05.51.05.01.111.71.96.92.26.31.912.31.410.11.18.51.06.20.3
en collectifs normauxzones inférieures0.40.20.0.0.90.60.0.0.0.0.40.40.20.20.0.0.70.50.80.80.0.1.30.51.40.40.40.20.50.1
zones supérieures1.90.50.0.0.40.40.0.0.0.3.81.43.80.84.51.17.81.62.31.31.71.010.01.36.20.95.10.83.90.2
total2.30.50.0.1.40.80.0.0.0.4.21.44.00.84.51.18.51.63.01.51.71.011.21.37.61.05.50.84.40.3
fermeture étagéezones inférieures0.50.30.0.0.90.62.20.80.70.30.0.2.00.60.60.40.40.40.0.0.0.0.70.30.50.30.90.30.80.1
zones supérieures1.60.50.0.0.40.40.0.0.0.6.31.73.70.81.10.65.21.31.51.03.51.43.90.88.01.04.10.73.10.2
total2.10.50.0.1.30.72.20.80.70.36.31.75.61.01.70.75.51.31.51.03.51.44.60.98.51.05.00.83.90.3
totalzones inférieures54.81.599.00.791.21.898.70.698.70.519.12.438.11.943.82.218.31.731.43.632.03.120.61.515.91.243.51.548.70.5
zones supérieures45.21.51.00.78.81.81.30.61.30.580.92.461.91.956.22.281.71.768.63.668.03.179.41.584.11.256.51.551.30.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877706/344038
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région économique
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
région économique
ouest du Juraest du Juraouest du Plateaucentre du Plateauest du Plateauouest des Préalpescentre des Préalpesest des Préalpesnord-ouest des Alpescentre des Alpesnord-est des Alpessud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.40.22.00.84.71.22.30.72.60.60.90.70.90.40.0.0.0.0.0.0.0.0.20.20.10.10.0.0.80.1
zones supérieures0.40.20.0.0.0.0.0.0.20.28.01.73.70.83.20.93.61.03.31.43.81.41.60.52.40.50.70.31.80.2
total0.70.32.00.84.71.22.30.72.80.79.01.84.60.83.20.93.61.03.31.43.81.41.80.52.50.50.70.32.60.2
comprimézones inférieures17.11.240.93.127.12.629.32.228.51.86.21.59.21.213.61.67.51.49.72.415.02.54.40.83.40.614.61.215.00.4
zones supérieures5.80.80.50.50.80.60.20.20.20.211.82.010.41.37.81.37.91.511.72.717.42.89.61.17.80.99.71.06.90.3
total22.91.441.43.127.92.629.52.228.71.818.02.319.51.721.42.015.42.021.43.432.33.514.01.311.21.124.31.421.90.5
normalzones inférieures19.61.335.03.027.72.834.82.337.01.96.41.511.31.412.51.66.31.29.42.46.81.85.90.93.20.611.81.115.80.4
zones supérieures10.61.00.40.42.61.00.20.20.70.316.82.313.41.411.91.518.92.18.02.16.01.911.41.210.61.18.00.98.90.3
total30.21.535.43.030.32.935.12.337.71.923.22.624.71.824.42.125.22.317.43.112.82.517.21.513.81.219.81.324.60.5
lâchezones inférieures8.00.913.02.111.32.012.61.614.51.42.40.96.01.05.31.11.20.66.52.03.71.42.10.61.40.46.80.96.60.3
zones supérieures7.10.90.0.2.00.90.50.30.30.28.81.87.31.17.01.28.21.511.42.65.11.88.81.110.01.16.20.86.20.3
total15.01.213.02.113.32.113.11.714.91.411.22.013.31.512.41.69.31.617.83.28.82.211.01.211.51.113.01.212.80.4
aérézones inférieures5.30.85.41.510.01.912.51.610.51.22.51.06.11.08.41.30.60.43.81.65.21.73.20.73.20.64.30.75.70.3
zones supérieures10.91.00.0.0.80.50.50.40.20.29.61.99.71.210.81.510.11.614.12.812.22.411.51.215.61.36.70.88.40.3
total16.21.25.41.510.81.913.01.710.61.212.12.115.81.519.31.910.81.717.93.217.32.914.71.418.91.411.01.114.10.4
clairièrézones inférieures2.80.62.81.15.81.44.11.04.00.80.50.52.60.72.00.70.0.0.0.1.60.91.60.51.90.52.20.52.40.2
zones supérieures5.40.80.0.1.10.60.0.0.0.6.11.64.90.96.01.210.01.68.72.212.02.511.71.313.71.29.91.06.90.3
total8.10.92.81.16.91.64.11.04.00.86.61.67.51.18.11.310.01.68.72.213.52.613.31.315.61.312.11.19.30.4
en collectifs serrészones inférieures0.60.30.0.2.10.90.80.50.70.40.40.40.20.20.40.30.60.40.0.0.0.1.80.50.90.32.50.51.00.1
zones supérieures1.80.50.0.0.70.50.0.0.0.9.11.85.30.94.41.010.21.66.82.16.71.910.51.28.71.06.10.85.10.3
total2.40.50.0.2.81.00.80.50.70.49.51.85.50.94.81.010.91.76.82.16.71.912.21.39.61.08.50.96.00.3
en collectifs normauxzones inférieures0.30.20.0.0.80.60.0.0.0.0.30.30.20.20.30.30.60.41.41.00.0.1.10.41.30.40.40.20.50.1
zones supérieures1.90.50.0.0.80.50.0.0.0.4.11.33.60.84.51.08.71.52.71.41.60.910.21.27.00.94.90.74.10.2
total2.30.50.0.1.60.80.0.0.0.4.41.33.80.84.71.19.31.64.11.61.60.911.31.28.41.05.20.74.60.3
fermeture étagéezones inférieures0.50.20.0.1.10.62.20.70.60.30.0.1.70.60.50.40.30.30.0.0.0.0.60.30.50.20.90.30.70.1
zones supérieures1.80.50.0.0.40.40.0.0.0.6.01.53.70.81.20.55.21.22.71.33.11.33.80.78.11.04.40.73.20.2
total2.20.50.0.1.50.82.20.70.60.36.01.55.41.01.70.65.51.32.71.33.11.34.40.88.61.05.30.84.00.2
totalzones inférieures54.41.499.10.690.71.898.60.698.50.519.72.238.01.843.12.117.11.630.83.432.22.920.91.516.01.243.51.548.50.5
zones supérieures45.61.40.90.69.31.81.40.61.50.580.32.262.01.856.92.182.91.669.23.467.82.979.11.584.01.256.51.551.50.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877707/344039
IFN4
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région économique
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
région économique
ouest du Juraest du Juraouest du Plateaucentre du Plateauest du Plateauouest des Préalpescentre des Préalpesest des Préalpesnord-ouest des Alpescentre des Alpesnord-est des Alpessud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures0.10.10.0.2.81.01.20.60.90.40.0.0.40.30.0.0.0.0.0.0.0.0.20.20.40.20.10.10.40.1
zones supérieures0.30.20.0.0.0.0.0.0.0.4.81.62.00.62.20.82.30.80.0.1.81.02.40.62.00.50.90.31.30.1
total0.40.20.0.2.81.01.20.60.90.44.81.62.40.62.20.82.30.80.0.1.81.02.50.62.40.61.00.31.70.2
comprimézones inférieures20.21.440.43.236.43.030.62.431.11.99.51.913.31.518.71.912.11.712.52.711.32.25.40.92.40.518.81.317.40.5
zones supérieures8.41.00.60.61.20.70.20.20.20.214.22.211.61.413.71.815.92.112.22.813.42.712.21.37.30.910.31.08.50.3
total28.61.641.03.137.73.130.82.431.31.923.72.724.91.932.42.428.02.524.73.624.63.317.61.59.71.129.11.625.90.5
normalzones inférieures17.61.339.33.129.43.035.42.535.02.04.81.410.41.413.71.72.80.99.52.59.32.13.10.73.60.710.91.114.90.4
zones supérieures9.81.10.40.42.21.00.30.30.40.315.02.310.81.412.71.716.62.110.52.510.92.58.91.19.31.08.20.98.20.3
total27.51.639.73.131.73.035.62.535.32.019.82.621.31.826.42.319.42.220.03.320.13.112.01.312.91.219.11.423.20.5
lâchezones inférieures5.90.811.82.27.61.710.21.615.01.51.40.83.50.84.41.11.20.62.21.31.81.11.30.42.50.51.70.54.90.3
zones supérieures5.30.80.0.0.90.60.30.30.40.36.71.65.41.05.11.15.71.34.21.75.31.86.91.09.41.04.20.74.70.3
total11.21.111.82.28.51.810.51.615.41.58.11.88.91.39.41.56.91.56.42.17.12.18.21.111.91.25.80.89.70.4
aérézones inférieures7.00.95.71.611.12.012.51.811.71.41.60.94.20.92.90.90.60.52.41.32.11.04.70.92.80.63.80.75.40.3
zones supérieures9.21.00.0.1.80.90.30.30.40.38.71.912.21.46.91.39.41.710.72.69.02.315.31.515.31.38.20.98.60.4
total16.11.35.71.612.82.112.81.812.11.410.32.116.41.69.81.610.01.713.12.911.12.520.11.618.11.411.91.114.00.4
clairièrézones inférieures1.30.41.70.91.70.84.51.12.50.70.60.60.90.41.70.70.0.1.41.01.41.03.40.71.20.41.60.41.80.2
zones supérieures4.80.80.0.1.20.70.0.0.0.11.32.25.51.04.71.18.71.67.42.312.72.516.71.514.01.211.41.17.70.3
total6.10.91.70.92.91.14.51.12.50.712.02.36.41.06.41.38.71.68.82.414.12.720.11.615.21.313.01.19.50.4
en collectifs serrészones inférieures0.40.20.0.0.40.40.90.50.40.30.50.50.40.30.20.21.00.60.80.81.81.00.80.40.50.34.30.71.10.1
zones supérieures1.30.40.0.0.40.40.0.0.0.12.72.33.90.84.61.110.41.810.12.510.72.34.20.811.11.15.00.84.80.3
total1.70.50.0.0.80.60.90.50.40.313.22.44.30.94.91.111.51.910.92.612.52.55.10.911.61.29.31.05.90.3
en collectifs normauxzones inférieures0.50.30.0.0.80.60.30.31.00.40.80.50.40.30.50.40.70.50.0.1.10.80.70.31.30.41.10.40.80.1
zones supérieures1.50.40.0.0.80.60.0.0.0.4.61.53.70.86.31.25.41.38.82.47.02.03.00.711.21.16.30.84.30.3
total2.00.50.0.1.60.80.30.31.00.45.41.64.00.86.81.36.11.48.82.48.12.13.70.812.61.27.40.95.10.3
fermeture étagéezones inférieures2.00.50.0.0.80.63.00.91.10.40.0.4.30.90.60.40.0.1.51.10.0.0.80.40.60.30.30.21.20.1
zones supérieures4.60.80.0.0.40.40.30.30.0.2.71.17.01.11.10.67.01.55.81.90.60.69.91.24.90.83.10.63.90.2
total6.50.90.0.1.30.73.30.91.10.42.71.111.31.41.70.77.01.57.32.20.60.610.81.35.60.83.40.65.10.3
totalzones inférieures55.01.499.00.791.01.998.60.698.80.519.22.437.91.842.62.218.51.730.33.528.82.920.41.515.41.242.51.547.90.5
zones supérieures45.01.41.00.79.01.91.40.61.20.580.82.462.11.857.42.281.51.769.73.571.22.979.61.584.61.257.51.552.10.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877708/344040
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %±
pas d'indicationzones inférieures0.90.33.00.50.50.20.10.10.0.0.90.1
zones supérieures0.30.20.10.14.20.63.00.40.90.41.90.2
total1.20.43.10.54.70.63.10.40.90.42.80.2
comprimézones inférieures22.91.328.61.311.11.06.40.615.91.516.00.5
zones supérieures4.30.70.10.19.90.98.90.79.41.16.50.3
total27.21.428.71.321.01.315.30.925.31.822.50.6
normalzones inférieures23.81.335.51.410.41.06.00.613.51.317.10.5
zones supérieures8.40.90.80.314.21.112.50.88.91.19.20.4
total32.21.536.31.424.61.318.50.922.41.726.30.6
lâchezones inférieures9.30.913.31.05.50.71.90.37.61.17.00.3
zones supérieures5.60.70.80.37.70.89.50.76.71.06.30.3
total14.91.114.11.013.21.111.40.814.31.413.20.5
aérézones inférieures5.30.710.80.96.40.82.90.45.10.95.90.3
zones supérieures8.50.90.40.29.60.914.40.97.91.18.70.4
total13.91.111.20.916.01.217.30.913.01.314.70.5
clairièrézones inférieures2.90.53.80.62.20.51.30.31.70.52.30.2
zones supérieures3.30.60.30.25.30.79.90.74.90.95.20.3
total6.20.84.10.67.50.811.20.86.61.07.60.4
en collectifs serrészones inférieures0.40.20.90.30.30.21.00.23.00.71.00.1
zones supérieures1.10.30.20.14.40.68.10.74.90.84.10.3
total1.50.41.10.34.70.79.10.77.81.15.10.3
en collectifs normauxzones inférieures0.30.20.20.10.20.11.10.30.30.20.50.1
zones supérieures0.90.30.10.13.80.66.90.64.50.83.50.2
total1.20.40.30.14.00.68.00.74.80.84.00.3
fermeture étagéezones inférieures0.40.21.10.31.10.30.50.20.50.30.70.1
zones supérieures1.30.40.10.13.50.65.60.64.30.83.10.2
total1.70.41.20.34.50.76.20.64.90.93.90.3
totalzones inférieures66.31.297.20.437.61.321.20.947.71.751.50.5
zones supérieures33.71.22.80.462.41.378.80.952.31.748.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 16.05.2020 #877709/344041
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %±
pas d'indicationzones inférieures0.80.32.90.50.50.20.10.10.0.0.80.1
zones supérieures0.30.20.10.13.90.62.60.40.80.31.70.2
total1.20.33.00.54.40.62.70.40.80.32.60.2
comprimézones inférieures22.51.328.51.310.70.96.00.514.11.215.10.4
zones supérieures4.40.70.10.110.00.99.10.79.21.06.70.3
total26.91.428.61.320.71.215.00.823.41.521.80.5
normalzones inférieures23.41.335.11.410.10.95.50.511.41.115.90.4
zones supérieures8.50.90.80.313.91.011.60.78.21.09.00.4
total31.91.435.81.424.11.317.10.919.51.424.90.6
lâchezones inférieures9.10.913.31.05.30.71.90.37.20.96.70.3
zones supérieures5.50.70.80.37.50.89.00.75.90.86.10.3
total14.61.114.11.012.81.011.00.713.01.212.80.4
aérézones inférieures5.20.711.00.96.10.72.80.44.70.85.70.3
zones supérieures8.40.90.40.29.60.913.70.87.30.98.60.4
total13.61.111.50.915.81.116.40.912.01.214.30.5
clairièrézones inférieures2.80.54.10.62.10.41.40.32.30.52.40.2
zones supérieures4.10.60.30.25.50.712.00.710.11.16.90.3
total6.90.84.40.67.50.813.40.812.41.19.30.4
en collectifs serrészones inférieures0.50.20.90.30.30.21.00.22.60.61.00.1
zones supérieures1.30.40.20.15.70.79.50.75.80.85.10.3
total1.80.41.10.35.90.710.50.78.41.06.10.3
en collectifs normauxzones inférieures0.30.20.20.10.20.11.10.20.40.20.50.1
zones supérieures1.30.40.10.14.10.66.70.65.20.83.80.2
total1.60.40.30.14.30.67.80.65.70.84.30.3
fermeture étagéezones inférieures0.40.21.20.31.10.30.50.20.80.30.80.1
zones supérieures1.30.40.10.13.40.55.60.54.10.73.20.2
total1.70.41.30.34.50.66.10.64.90.83.90.3
totalzones inférieures65.01.297.20.436.31.320.20.843.41.648.80.5
zones supérieures35.01.22.80.463.71.379.80.856.61.651.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 16.05.2020 #877710/344042
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %±
pas d'indicationzones inférieures0.80.32.90.50.50.20.10.10.0.0.80.1
zones supérieures0.30.20.10.14.10.62.50.40.80.31.70.2
total1.20.33.00.54.50.62.60.40.80.32.60.2
comprimézones inférieures22.21.328.61.310.50.96.00.513.91.215.00.4
zones supérieures4.40.70.10.110.00.99.00.69.11.06.70.3
total26.61.428.71.320.51.215.00.823.01.521.70.5
normalzones inférieures23.11.334.91.410.20.95.50.511.71.115.90.4
zones supérieures8.50.90.90.313.91.011.60.78.11.09.00.4
total31.61.435.81.424.11.317.10.819.81.424.80.5
lâchezones inférieures9.00.913.41.05.20.71.90.37.00.96.60.3
zones supérieures5.40.70.80.27.40.88.90.66.10.86.10.3
total14.41.114.11.012.61.010.90.713.11.212.70.4
aérézones inférieures5.30.710.90.96.20.72.80.44.60.85.70.3
zones supérieures8.60.90.40.29.70.913.40.87.10.98.60.4
total13.91.111.30.915.91.116.20.811.71.214.20.5
clairièrézones inférieures2.90.54.20.62.00.41.40.32.30.52.40.2
zones supérieures4.10.60.30.25.40.712.30.710.31.07.00.3
total7.00.84.50.67.40.813.70.812.51.19.50.4
en collectifs serrészones inférieures0.50.20.90.30.40.21.00.22.70.61.00.1
zones supérieures1.30.40.20.15.90.79.60.75.80.85.20.3
total1.80.41.10.36.30.710.50.78.51.06.20.3
en collectifs normauxzones inférieures0.30.20.20.10.20.11.10.20.40.20.50.1
zones supérieures1.50.40.10.14.00.67.00.65.10.83.90.2
total1.80.40.20.14.20.68.00.65.50.84.40.3
fermeture étagéezones inférieures0.40.21.20.31.10.30.50.20.90.30.80.1
zones supérieures1.20.40.10.13.30.55.50.54.10.73.10.2
total1.60.41.30.34.40.66.00.55.00.83.90.3
totalzones inférieures64.61.297.10.436.31.220.20.843.51.548.70.5
zones supérieures35.41.22.90.463.71.279.80.856.51.551.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877711/344043
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %±
pas d'indicationzones inférieures0.70.33.00.50.60.20.10.10.0.0.80.1
zones supérieures0.30.20.10.14.30.62.60.30.70.31.80.2
total1.00.33.00.54.80.62.70.30.70.32.60.2
comprimézones inférieures22.21.228.71.210.20.95.80.514.61.215.00.4
zones supérieures4.60.60.30.29.70.89.40.69.71.06.90.3
total26.81.329.01.319.91.115.20.824.31.421.90.5
normalzones inférieures23.11.234.31.310.60.95.30.511.81.115.80.4
zones supérieures8.30.80.90.313.61.011.60.78.00.98.90.3
total31.41.435.21.324.21.216.90.819.81.324.60.5
lâchezones inférieures9.10.813.20.95.00.62.20.36.80.96.60.3
zones supérieures5.50.70.70.27.60.79.00.66.20.86.20.3
total14.61.113.91.012.61.011.10.713.01.212.80.4
aérézones inférieures5.30.711.00.96.20.73.00.44.30.75.70.3
zones supérieures8.50.80.40.210.20.813.10.76.70.88.50.3
total13.81.011.40.916.41.116.10.811.01.114.20.4
clairièrézones inférieures2.80.54.40.62.00.41.30.22.20.52.40.2
zones supérieures4.20.60.20.15.40.612.00.79.91.06.90.3
total7.00.84.60.67.40.713.30.712.11.19.30.3
en collectifs serrészones inférieures0.40.21.00.30.30.21.00.22.50.51.00.1
zones supérieures1.40.40.20.15.80.79.30.66.10.85.10.3
total1.80.41.20.36.20.710.20.78.50.96.10.3
en collectifs normauxzones inférieures0.30.20.20.10.20.11.00.20.40.20.50.1
zones supérieures1.50.40.20.14.00.67.50.64.90.74.10.2
total1.80.40.30.24.20.68.60.65.20.74.60.3
fermeture étagéezones inférieures0.40.21.20.31.00.30.40.10.90.30.70.1
zones supérieures1.40.40.10.13.30.55.60.54.40.73.20.2
total1.80.41.30.34.20.66.00.55.30.84.00.2
totalzones inférieures64.31.297.00.436.11.220.10.843.51.548.50.5
zones supérieures35.71.23.00.463.91.279.90.856.51.551.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 17.05.2020 #877712/344044
IFN4
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de production
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %±
pas d'indicationzones inférieures0.10.11.40.40.20.10.20.10.0.0.40.1
zones supérieures0.20.20.0.2.80.52.40.41.10.41.40.2
total0.30.21.40.43.00.52.50.41.10.41.80.2
comprimézones inférieures25.11.432.11.415.11.17.00.622.91.618.90.5
zones supérieures6.20.80.40.212.91.011.20.811.21.28.40.4
total31.31.532.51.428.01.418.20.934.11.927.30.6
normalzones inférieures23.01.334.31.411.11.04.90.512.11.316.30.5
zones supérieures8.00.90.70.213.31.011.40.89.31.18.70.4
total31.01.535.01.424.41.316.30.921.41.625.00.6
lâchezones inférieures7.40.812.11.03.70.62.30.41.70.55.50.3
zones supérieures4.20.60.40.25.60.77.60.74.60.84.70.3
total11.61.012.61.09.20.99.90.76.31.010.20.4
aérézones inférieures6.90.811.81.03.40.63.30.43.70.85.80.3
zones supérieures7.30.80.60.29.90.914.70.98.61.18.80.4
total14.11.112.41.013.31.118.01.012.31.314.60.5
clairièrézones inférieures1.50.42.60.51.10.31.50.31.30.41.60.2
zones supérieures2.70.50.30.25.50.711.50.85.90.95.80.3
total4.20.62.90.56.70.813.00.87.11.07.40.4
en collectifs serrészones inférieures0.30.20.60.20.30.20.80.24.70.91.00.1
zones supérieures0.50.20.10.14.00.66.40.63.30.73.20.2
total0.80.30.70.24.20.67.10.68.01.14.20.3
en collectifs normauxzones inférieures0.40.20.80.30.60.20.80.21.00.40.70.1
zones supérieures1.00.30.10.14.10.66.60.65.20.93.60.3
total1.40.40.90.34.70.77.40.76.21.04.30.3
fermeture étagéezones inférieures1.60.41.50.42.20.50.60.20.30.21.20.2
zones supérieures3.70.60.20.14.30.66.90.63.20.74.00.3
total5.30.71.70.46.40.87.50.73.50.75.20.3
totalzones inférieures66.31.297.20.437.61.321.20.947.71.751.50.5
zones supérieures33.71.22.80.462.41.378.80.952.31.748.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877713/344045
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures100.0.....29.68.7100.0.30.915.0..0.0.4.54.448.335.324.515.2..41.634.416.014.50.0.100.0.100.0.0.0.100.0.0.0.0.0.75.612.410.710.10.0.100.0.33.33.8
zones supérieures0.0.....70.48.70.0.69.115.0..100.0.95.54.451.735.375.515.2..58.434.484.014.5100.0.0.0.0.0.100.0.0.0.100.0.100.0.24.412.489.310.1100.0.0.0.66.73.8
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.
comprimézones inférieures100.0...62.38.971.23.3100.0.74.76.4..44.59.335.35.092.34.358.96.081.911.749.915.564.113.669.55.9100.0.85.24.758.713.1100.0.64.84.044.011.677.94.234.55.6..100.0.71.21.3
zones supérieures0.0...37.78.928.83.30.0.25.36.4..55.59.364.75.07.74.341.16.018.111.750.115.535.913.630.55.90.0.14.84.741.313.10.0.35.24.056.011.622.14.265.55.6..0.0.28.81.3
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.
normalzones inférieures100.0.38.017.929.823.263.63.096.63.454.16.3100.0.47.017.724.93.986.93.964.66.444.06.428.217.729.69.167.36.5100.0.88.94.147.87.898.21.868.24.251.314.364.24.434.24.770.525.196.91.865.51.2
zones supérieures0.0.62.017.970.223.236.43.03.43.445.96.30.0.53.017.775.13.913.13.935.46.456.06.471.817.770.49.132.76.50.0.11.14.152.27.81.81.831.84.248.714.335.84.465.84.729.525.13.11.834.51.2
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.
lâchezones inférieures100.0.35.517.40.0.54.54.7100.0.46.210.7100.0.28.724.915.43.693.54.367.510.836.97.8100.0.27.117.446.18.7100.0.73.710.236.510.2100.0.61.76.134.419.740.46.218.75.075.815.197.52.552.91.8
zones supérieures0.0.64.517.4100.0.45.54.70.0.53.810.70.0.71.324.984.63.66.54.332.510.863.17.80.0.72.917.453.98.70.0.26.310.263.510.20.0.38.36.165.619.759.66.281.35.024.215.12.52.547.11.8
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.
aérézones inférieures100.0.37.415.264.329.249.55.0100.0.57.410.2100.0.23.511.713.92.883.07.870.57.930.69.751.435.30.0.51.36.8100.0.84.010.617.48.8100.0.49.56.515.710.317.73.918.54.367.519.594.65.240.01.7
zones supérieures0.0.62.615.235.729.250.55.00.0.42.610.20.0.76.511.786.12.817.07.829.57.969.49.748.635.3100.0.48.76.80.0.16.010.682.68.80.0.50.56.584.310.382.33.981.54.332.519.55.45.260.01.7
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.
clairièrézones inférieures100.0.0.0...30.46.6100.0.60.614.2..14.313.412.63.570.617.556.412.039.014.367.926.444.725.210.06.8100.0.100.0.13.312.4100.0.31.57.90.0.22.06.416.75.163.217.7100.0.30.52.3
zones supérieures0.0.100.0...69.66.60.0.39.414.2..85.713.487.43.529.417.543.612.061.014.332.126.455.325.290.06.80.0.0.0.86.712.40.0.68.57.9100.0.78.06.483.35.136.817.70.0.69.52.3
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.
en collectifs serrészones inférieures100.0...100.0.18.55.9..36.014.1..0.0.13.44.7100.0.0.0.0.0.0.0.0.0.23.414.8....0.0...37.77.40.0.0.0.14.14.6..100.0.18.62.4
zones supérieures0.0...0.0.81.55.9..64.014.1..100.0.86.64.70.0.100.0.100.0.100.0.100.0.76.614.8....100.0...62.37.4100.0.100.0.85.94.6..0.0.81.42.4
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.
en collectifs normauxzones inférieures..0.0.0.0.8.96.0100.0.27.916.8..0.0.20.05.634.728.20.0.0.0...0.0.0.0.....0.0...8.75.90.0.15.810.312.84.5....13.02.3
zones supérieures..100.0.100.0.91.16.00.0.72.116.8..100.0.80.05.665.328.2100.0.100.0...100.0.100.0.....100.0...91.35.9100.0.84.210.387.24.5....87.02.3
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.
fermeture étagéezones inférieures100.0.....32.07.2..0.0...0.0.7.33.1100.0.67.527.120.913.4..0.0.0.0...100.0.36.928.6..13.18.60.0.12.08.016.17.350.036.9100.0.19.22.8
zones supérieures0.0.....68.07.2..100.0...100.0.92.73.10.0.32.527.179.113.4..100.0.100.0...0.0.63.128.6..86.98.6100.0.88.08.083.97.350.036.90.0.80.82.8
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.
totalzones inférieures100.0.34.08.656.67.853.81.598.71.354.13.1100.0.30.35.017.81.286.82.360.02.839.33.241.88.722.94.450.42.8100.0.85.62.931.73.599.30.753.82.028.25.746.12.021.81.764.98.797.91.051.60.5
zones supérieures0.0.66.08.643.47.846.21.51.31.345.93.10.0.69.75.082.21.213.22.340.02.860.73.258.28.777.14.449.62.80.0.14.42.968.33.50.70.746.22.071.85.753.92.078.21.735.18.72.11.048.40.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877714/344046
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures100.0.....29.68.7100.0.30.915.0..0.0.4.54.448.335.324.515.2..41.634.416.014.50.0.100.0.100.0.0.0.100.0.0.0.0.0.75.612.410.710.10.0.100.0.33.33.8
zones supérieures0.0.....70.48.70.0.69.115.0..100.0.95.54.451.735.375.515.2..58.434.484.014.5100.0.0.0.0.0.100.0.0.0.100.0.100.0.24.412.489.310.1100.0.0.0.66.73.8
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.
comprimézones inférieures100.0...62.38.971.33.296.53.573.76.4..41.98.833.04.692.34.356.95.975.112.649.915.564.113.668.35.9100.0.84.14.757.712.3100.0.62.03.837.110.375.94.233.45.2100.0.100.0.69.11.3
zones supérieures0.0...37.78.928.73.23.53.526.36.4..58.18.867.04.67.74.343.15.924.912.650.115.535.913.631.75.90.0.15.94.742.312.30.0.38.03.862.910.324.14.266.65.20.0.0.0.30.91.3
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.
normalzones inférieures100.0.38.017.929.823.262.02.996.83.253.26.2100.0.42.216.423.73.787.13.864.66.444.06.438.717.728.99.064.96.3100.0.89.14.049.07.798.21.865.04.157.813.163.74.333.14.570.525.197.01.764.41.2
zones supérieures0.0.62.017.970.223.238.02.93.23.246.86.20.0.57.816.476.33.712.93.835.46.456.06.461.317.771.19.035.16.30.0.10.94.051.07.71.81.835.04.142.213.136.34.366.94.529.525.13.01.735.61.2
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.
lâchezones inférieures100.0.35.517.40.0.54.04.7100.0.46.210.7100.0.28.724.915.23.593.54.367.510.836.97.8100.0.22.714.849.48.1100.0.73.710.236.39.5100.0.62.35.737.217.339.25.918.84.975.815.197.52.552.21.8
zones supérieures0.0.64.517.4100.0.46.04.70.0.53.810.70.0.71.324.984.83.56.54.332.510.863.17.80.0.77.314.850.68.10.0.26.310.263.79.50.0.37.75.762.817.360.85.981.24.924.215.12.52.547.81.8
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.
aérézones inférieures100.0.37.415.264.329.248.45.0100.0.57.410.2100.0.20.610.513.72.683.07.866.57.930.69.734.028.20.0.48.26.6100.0.84.010.616.58.4100.0.49.76.114.69.720.64.020.74.367.519.594.85.039.31.7
zones supérieures0.0.62.615.235.729.251.65.00.0.42.610.20.0.79.410.586.32.617.07.833.57.969.49.766.028.2100.0.51.86.60.0.16.010.683.58.40.0.50.36.185.49.779.44.079.34.332.519.55.25.060.71.7
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.
clairièrézones inférieures100.0.0.0...26.25.8100.0.60.614.2100.0.12.511.912.12.870.617.553.311.735.913.350.725.544.725.28.75.9100.0.100.0.9.79.2100.0.23.95.10.0.18.05.312.93.867.216.3100.0.25.61.9
zones supérieures0.0.100.0...73.85.80.0.39.414.20.0.87.511.987.92.829.417.546.711.764.113.349.325.555.325.291.35.90.0.0.0.90.39.20.0.76.15.1100.0.82.05.387.13.832.816.30.0.74.41.9
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.
en collectifs serrészones inférieures100.0.0.0.100.0.15.04.9..30.912.7..0.0.11.43.5100.0.0.0.0.0.0.0.0.0.16.811.0....0.0...30.86.20.0.6.86.613.04.0..100.0.15.61.9
zones supérieures0.0.100.0.0.0.85.04.9..69.112.7..100.0.88.63.50.0.100.0.100.0.100.0.100.0.83.211.0....100.0...69.26.2100.0.93.26.687.04.0..0.0.84.41.9
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.
en collectifs normauxzones inférieures..0.0.0.0.11.46.2100.0.21.913.9..0.0.17.24.921.018.70.0.0.0...0.0.0.0.....0.0...8.34.633.227.313.58.911.74.2....12.12.1
zones supérieures..100.0.100.0.88.66.20.0.78.113.9..100.0.82.84.979.018.7100.0.100.0...100.0.100.0.....100.0...91.74.666.827.386.58.988.34.2....87.92.1
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.
fermeture étagéezones inférieures100.0.....33.07.1..20.418.2..0.0.8.93.2100.0.67.527.120.913.4..0.0.0.0...100.0.36.928.6..14.87.90.0.12.08.014.96.850.036.9100.0.19.42.6
zones supérieures0.0.....67.07.1..79.618.2..100.0.91.13.20.0.32.527.179.113.4..100.0.100.0...0.0.63.128.6..85.27.9100.0.88.08.085.16.850.036.90.0.80.62.6
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.
totalzones inférieures100.0.32.78.456.67.852.01.497.51.852.93.1100.0.27.44.616.71.186.02.358.52.738.33.140.08.221.84.248.12.6100.0.85.32.930.53.399.30.748.81.827.65.144.71.920.81.667.38.397.90.948.90.5
zones supérieures0.0.67.38.443.47.848.01.42.51.847.13.10.0.72.64.683.31.114.02.341.52.761.73.160.08.278.24.251.92.60.0.14.72.969.53.30.70.751.21.872.45.155.31.979.21.632.78.32.10.951.10.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877715/344047
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures100.0.....28.58.5100.0.30.915.0..0.0.4.54.448.335.321.813.8..41.634.416.014.50.0.100.0.100.0.0.0.100.0.0.0.0.0.75.612.410.710.10.0.100.0.32.93.8
zones supérieures0.0.....71.58.50.0.69.115.0..100.0.95.54.451.735.378.213.8..58.434.484.014.5100.0.0.0.0.0.100.0.0.0.100.0.100.0.24.412.489.310.1100.0.0.0.67.13.8
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.
comprimézones inférieures100.0...62.38.971.23.296.53.573.76.4..44.08.833.94.592.34.356.95.975.112.649.915.564.113.668.35.9100.0.84.14.757.712.3100.0.62.03.835.19.975.84.233.45.2100.0.100.0.69.11.2
zones supérieures0.0...37.78.928.83.23.53.526.36.4..56.08.866.14.57.74.343.15.924.912.650.115.535.913.631.75.90.0.15.94.742.312.30.0.38.03.864.99.924.24.266.65.20.0.0.0.30.91.2
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.
normalzones inférieures100.0.38.017.929.823.261.62.996.83.253.26.2100.0.42.216.424.73.787.13.865.36.344.06.438.717.728.99.065.86.1100.0.89.14.050.37.698.31.765.64.057.813.162.64.332.74.570.525.197.01.764.41.2
zones supérieures0.0.62.017.970.223.238.42.93.23.246.86.20.0.57.816.475.33.712.93.834.76.356.06.461.317.771.19.034.26.10.0.10.94.049.77.61.71.734.44.042.213.137.44.367.34.529.525.13.01.735.61.2
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.
lâchezones inférieures100.0.35.517.40.0.54.04.7100.0.46.210.7100.0.28.724.914.83.493.54.367.510.836.97.8100.0.22.714.850.67.9100.0.74.69.936.39.5100.0.61.45.637.217.340.15.918.84.975.815.197.52.552.11.8
zones supérieures0.0.64.517.4100.0.46.04.70.0.53.810.70.0.71.324.985.23.46.54.332.510.863.17.80.0.77.314.849.47.90.0.25.49.963.79.50.0.38.65.662.817.359.95.981.24.924.215.12.52.547.91.8
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.
aérézones inférieures100.0.37.415.264.329.247.94.9100.0.55.510.0100.0.20.610.514.22.783.07.867.47.736.39.734.028.20.0.49.26.6100.0.84.010.616.58.4100.0.49.76.114.69.720.24.020.74.372.117.494.85.039.51.6
zones supérieures0.0.62.615.235.729.252.14.90.0.44.510.00.0.79.410.585.82.717.07.832.67.763.79.766.028.2100.0.50.86.60.0.16.010.683.58.40.0.50.36.185.49.779.84.079.34.327.917.45.25.060.51.6
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.
clairièrézones inférieures100.0.0.0...24.95.6100.0.60.614.2100.0.12.511.911.42.770.617.555.711.435.913.350.725.544.725.28.75.9100.0.100.0.8.98.5100.0.23.55.00.0.17.65.212.83.867.216.3100.0.25.31.8
zones supérieures0.0.100.0...75.15.60.0.39.414.20.0.87.511.988.62.729.417.544.311.464.113.349.325.555.325.291.35.90.0.0.0.91.18.50.0.76.55.0100.0.82.45.287.23.832.816.30.0.74.71.8
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.
en collectifs serrészones inférieures100.0.0.0.100.0.14.24.6..35.412.6..0.0.11.23.5100.0.0.0.0.0.0.0.0.0.14.49.5....0.0...32.66.10.0.6.46.213.04.0..100.0.15.81.9
zones supérieures0.0.100.0.0.0.85.84.6..64.612.6..100.0.88.83.50.0.100.0.100.0.100.0.100.0.85.69.5....100.0...67.46.1100.0.93.66.287.04.0..0.0.84.21.9
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.
en collectifs normauxzones inférieures..0.0.0.0.10.25.6100.0.21.913.9..0.0.16.94.817.315.90.0.0.0...0.0.0.0.....0.0...8.34.633.227.312.78.411.24.0....11.72.0
zones supérieures..100.0.100.0.89.85.60.0.78.113.9..100.0.83.14.882.715.9100.0.100.0...100.0.100.0.....100.0...91.74.666.827.387.38.488.84.0....88.32.0
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.
fermeture étagéezones inférieures100.0.....33.07.1..20.418.2..0.0.8.73.2100.0.67.527.120.913.4..0.0.0.0...100.0.36.928.6..18.58.40.0.12.08.014.96.850.036.9100.0.19.62.6
zones supérieures0.0.....67.07.1..79.618.2..100.0.91.33.20.0.32.527.179.113.4..100.0.100.0...0.0.63.128.6..81.58.4100.0.88.08.085.16.850.036.90.0.80.42.6
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.
totalzones inférieures100.0.32.78.456.67.851.31.497.51.852.93.1100.0.28.54.716.91.185.52.358.82.738.83.140.08.221.84.248.52.6100.0.85.52.830.83.399.30.749.11.826.95.044.41.820.61.568.28.197.90.948.70.5
zones supérieures0.0.67.38.443.47.848.71.42.51.847.13.10.0.71.54.783.11.114.52.341.22.761.23.160.08.278.24.251.52.60.0.14.52.869.23.30.70.750.91.873.15.055.61.879.41.531.88.12.10.951.30.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877716/344048
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures100.0.....30.58.0100.0.29.212.3..0.0.4.54.449.335.327.313.5..41.834.412.611.60.0.100.0.100.0.0.0.100.0.0.0.0.0.79.110.88.88.40.0.100.0.32.63.5
zones supérieures0.0.....69.58.00.0.70.812.3..100.0.95.54.450.735.372.713.5..58.234.487.411.6100.0.0.0.0.0.100.0.0.0.100.0.100.0.20.910.891.28.4100.0.0.0.67.43.5
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.
comprimézones inférieures100.0.100.0.61.28.769.83.196.53.574.26.0..44.68.434.54.488.15.059.55.471.012.451.714.463.913.565.55.4100.0.86.14.155.511.8100.0.60.93.535.69.275.84.031.64.6100.0.100.0.68.41.2
zones supérieures0.0.0.0.38.88.730.23.13.53.525.86.0..55.48.465.54.411.95.040.55.429.012.448.314.436.113.534.55.40.0.13.94.144.511.80.0.39.13.564.49.224.24.068.44.60.0.0.0.31.61.2
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.
normalzones inférieures100.0.33.616.739.121.061.72.897.03.054.46.0100.0.44.115.323.93.589.13.365.75.843.76.137.315.235.18.766.25.6100.0.88.03.948.17.298.31.766.53.856.813.260.24.134.14.370.525.196.11.964.41.1
zones supérieures0.0.66.416.760.921.038.32.83.03.045.66.00.0.55.915.376.13.510.93.334.35.856.36.162.715.264.98.733.85.60.0.12.03.951.97.21.71.733.53.843.213.239.84.165.94.329.525.13.91.935.61.1
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.
lâchezones inférieures100.0.31.916.10.0.54.74.4100.0.44.99.7100.0.26.924.017.23.391.14.666.710.238.77.4100.0.13.89.351.17.6100.0.79.27.834.79.1100.0.60.75.438.117.541.15.619.44.676.914.597.82.251.91.7
zones supérieures0.0.68.116.1100.0.45.34.40.0.55.19.70.0.73.124.082.83.38.94.633.310.261.37.40.0.86.29.348.97.60.0.20.87.865.39.10.0.39.35.461.917.558.95.680.64.623.114.52.22.248.11.7
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.
aérézones inférieures100.0.29.412.750.025.748.94.6100.0.57.39.1100.0.24.410.416.22.783.27.871.16.738.09.334.928.50.0.51.06.3100.0.78.311.514.37.4100.0.49.45.914.69.618.43.521.94.261.318.091.35.940.01.6
zones supérieures0.0.70.612.750.025.751.14.60.0.42.79.10.0.75.610.483.82.716.87.828.96.762.09.365.128.5100.0.49.06.30.0.21.711.585.77.40.0.50.65.985.49.681.63.578.14.238.718.08.75.960.01.6
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.
clairièrézones inférieures100.0.47.335.3..27.55.5100.0.58.913.1100.0.28.914.510.42.561.717.456.210.333.512.451.825.545.025.27.75.3100.0.100.0.8.38.0100.0.23.34.80.0.17.05.111.93.556.717.3100.0.25.61.8
zones supérieures0.0.52.735.3..72.55.50.0.41.113.10.0.71.114.589.62.538.317.443.810.366.512.448.225.555.025.292.35.30.0.0.0.91.78.00.0.76.74.8100.0.83.05.188.13.543.317.30.0.74.41.8
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.
en collectifs serrészones inférieures100.0.0.0.27.824.813.14.3..42.112.0..0.0.10.53.3100.0.0.0.0.0.0.0.0.0.14.69.6....0.0...29.05.60.0.5.45.314.34.0..100.0.15.71.8
zones supérieures0.0.100.0.72.224.886.94.3..57.912.0..100.0.89.53.30.0.100.0.100.0.100.0.100.0.85.49.6....100.0...71.05.6100.0.94.65.385.74.0..0.0.84.31.8
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.
en collectifs normauxzones inférieures..0.0.0.0.8.34.6100.0.19.012.1..0.0.15.24.215.514.30.0.0.0...0.0.0.0.....9.28.8..8.04.541.422.511.67.79.73.5....11.21.8
zones supérieures..100.0.100.0.91.74.60.0.81.012.1..100.0.84.84.284.514.3100.0.100.0...100.0.100.0.....90.88.8..92.04.558.622.588.47.790.33.5....88.81.8
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.
fermeture étagéezones inférieures100.0.....32.46.8..20.318.1..0.0.7.62.8100.0.66.727.516.710.90.0.0.0.0.0...100.0.22.719.6..20.68.20.0.15.78.413.76.350.036.9100.0.18.62.4
zones supérieures0.0.....67.66.8..79.718.1..100.0.92.42.80.0.33.327.583.310.9100.0.100.0.100.0...0.0.77.319.6..79.48.2100.0.84.38.486.36.350.036.90.0.81.42.4
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.
totalzones inférieures100.0.32.38.051.47.351.21.397.61.753.42.8100.0.30.84.517.01.184.52.360.52.539.03.039.67.722.64.048.92.5100.0.85.82.329.33.199.30.748.91.727.34.743.51.720.91.563.08.397.31.048.60.5
zones supérieures0.0.67.78.048.67.348.81.32.41.746.62.80.0.69.24.583.01.115.52.339.52.561.03.060.47.777.44.051.12.50.0.14.22.370.73.10.70.751.11.772.74.756.51.779.11.537.08.32.71.051.40.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877717/344049
IFN4
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures100.0.0.0...20.39.1..55.817.0100.0...9.76.5..25.021.9..0.0.24.821.734.019.6....0.0...0.0...51.125.16.66.40.0.100.0.23.64.5
zones supérieures0.0.100.0...79.79.1..44.217.00.0...90.36.5..75.021.9..100.0.75.221.766.019.6....100.0...100.0...48.925.193.46.4100.0.0.0.76.44.5
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.
comprimézones inférieures100.0.36.712.962.211.165.43.1100.0.74.65.0100.0.47.310.734.65.092.73.166.36.045.611.543.913.947.610.870.85.0100.0.90.64.552.38.0100.0.69.73.352.112.168.44.032.54.661.222.596.12.369.31.2
zones supérieures0.0.63.312.937.811.134.63.10.0.25.45.00.0.52.710.765.45.07.33.133.76.054.411.556.113.952.410.829.25.00.0.9.44.547.78.00.0.30.33.347.912.131.64.067.54.638.822.53.92.330.71.2
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.
normalzones inférieures100.0.58.723.359.313.866.83.296.53.563.87.3100.0.41.813.326.74.087.24.369.65.656.57.872.017.922.29.260.95.6100.0.81.15.337.38.797.92.165.84.439.513.552.64.126.95.448.920.998.71.365.51.2
zones supérieures0.0.41.323.340.713.833.23.23.53.536.27.30.0.58.213.373.34.012.84.330.45.643.57.828.017.977.89.239.15.60.0.18.95.362.78.72.12.134.24.460.513.547.44.173.15.451.120.91.31.334.51.2
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.
lâchezones inférieures100.0.26.422.450.026.956.15.5100.0.40.410.1..33.327.724.34.383.68.765.511.236.99.6..24.221.541.611.5100.0.82.78.044.814.5100.0.32.49.425.922.545.38.116.45.391.48.597.12.853.62.1
zones supérieures0.0.73.622.450.026.943.95.50.0.59.610.1..66.727.775.74.316.48.734.511.263.19.6..75.821.558.411.50.0.17.38.055.214.50.0.67.69.474.122.554.78.183.65.38.68.52.92.846.42.1
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.
aérézones inférieures100.0.0.0.0.0.46.54.5100.0.48.411.5100.0.31.815.316.43.187.58.345.88.940.89.815.414.87.26.924.79.7100.0.86.97.318.19.2100.0.34.75.928.216.331.85.221.53.873.523.9100.0.39.81.7
zones supérieures0.0.100.0.100.0.53.54.50.0.51.611.50.0.68.215.383.63.112.58.354.28.959.29.884.614.892.86.975.39.70.0.13.17.381.99.20.0.65.35.971.816.368.25.278.53.826.523.90.0.60.21.7
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.
clairièrézones inférieures100.0.0.0.58.229.930.47.7100.0.16.710.9..0.0.7.62.655.518.456.518.318.016.743.034.712.98.619.38.7100.0.100.0.13.312.4100.0.22.07.40.0.5.84.021.44.90.0.100.0.21.62.1
zones supérieures0.0.100.0.41.829.969.67.70.0.83.310.9..100.0.92.42.644.518.443.518.382.016.757.034.787.18.680.78.70.0.0.0.86.712.40.0.78.07.4100.0.94.24.078.64.9100.0.0.0.78.42.1
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.
en collectifs serrészones inférieures100.0.100.0...13.26.1..7.16.8..11.610.98.43.6100.0.0.0.50.036.00.0.26.022.417.911.5..73.124.10.0...63.37.30.0.9.69.221.39.50.0.100.0.24.02.9
zones supérieures0.0.0.0...86.86.1..92.96.8..88.410.991.63.60.0.100.0.50.036.0100.0.74.022.482.111.5..26.924.1100.0...36.77.3100.0.90.49.278.79.5100.0.0.0.76.02.9
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.
en collectifs normauxzones inférieures....0.0.19.67.9..49.918.0..16.115.09.43.40.0.0.0.47.521.3100.0.0.0.7.67.4....9.99.5100.0.16.26.70.0.0.0.20.08.9..100.0.16.62.5
zones supérieures....100.0.80.47.9..50.118.0..83.915.090.63.4100.0.100.0.52.521.30.0.100.0.92.47.4....90.19.50.0.83.86.7100.0.100.0.80.08.9..0.0.83.42.5
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.
fermeture étagéezones inférieures100.0.....39.75.7..0.0...0.0.7.24.089.210.243.414.715.96.30.0.0.0.45.335.0....0.0...12.98.513.412.313.38.88.83.8100.0.100.0.23.02.5
zones supérieures0.0.....60.35.7..100.0...100.0.92.84.010.810.256.614.784.16.3100.0.100.0.54.735.0....100.0...87.18.586.612.386.78.891.23.80.0.0.0.77.02.5
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.
totalzones inférieures100.0.34.08.656.67.853.81.598.71.354.13.1100.0.30.35.017.81.286.82.360.02.839.33.241.88.722.94.450.42.8100.0.85.62.931.73.599.30.753.82.028.25.746.12.021.81.764.98.797.91.051.60.5
zones supérieures0.0.66.08.643.47.846.21.51.31.345.93.10.0.69.75.082.21.213.22.340.02.860.73.258.28.777.14.449.62.80.0.14.42.968.33.50.70.746.22.071.85.753.92.078.21.735.18.72.11.048.40.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877718/344050
IFN4
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indicationzones inférieures100.0.0.0...24.29.4..55.817.0100.0...13.37.1..25.021.9..0.0.24.821.734.019.6....0.0...26.022.2..51.125.16.26.00.0.100.0.25.44.5
zones supérieures0.0.100.0...75.89.4..44.217.00.0...86.77.1..75.021.9..100.0.75.221.766.019.6....100.0...74.022.2..48.925.193.86.0100.0.0.0.74.64.5
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.
comprimézones inférieures100.0.36.712.962.211.164.93.196.73.373.95.0100.0.45.210.432.64.692.83.164.95.943.411.143.913.946.210.668.25.0100.0.90.64.552.17.8100.0.67.03.248.711.866.53.930.64.370.317.796.12.367.51.1
zones supérieures0.0.63.312.937.811.135.13.13.33.326.15.00.0.54.810.467.44.67.23.135.15.956.611.156.113.953.810.631.85.00.0.9.44.547.97.80.0.33.03.251.311.833.53.969.44.329.717.73.92.332.51.1
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.
normalzones inférieures100.0.58.723.359.313.865.63.296.73.363.87.3100.0.39.212.726.63.887.24.369.65.656.57.872.017.921.28.859.65.5100.0.81.45.236.28.697.92.164.94.143.213.154.13.925.75.054.519.598.71.364.71.2
zones supérieures0.0.41.323.340.713.834.43.23.33.336.27.30.0.60.812.773.43.812.84.330.45.643.57.828.017.978.88.840.45.50.0.18.65.263.88.62.12.135.14.156.813.145.93.974.35.045.519.51.31.335.31.2
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.
lâchezones inférieures100.0.26.422.450.026.956.15.5100.0.42.910.0..33.327.722.23.983.68.765.511.236.99.6..24.221.540.210.6100.0.82.78.038.513.3100.0.31.48.620.418.444.08.015.45.091.48.597.12.851.82.0
zones supérieures0.0.73.622.450.026.943.95.50.0.57.110.0..66.727.777.83.916.48.734.511.263.19.6..75.821.559.810.60.0.17.38.061.513.30.0.68.68.679.618.456.08.084.65.08.68.52.92.848.22.0
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.
aérézones inférieures100.0.0.0.0.0.44.74.4100.0.46.111.2100.0.22.511.315.32.987.58.343.18.540.89.815.414.87.26.927.49.6100.0.87.47.021.69.0100.0.34.55.428.216.331.95.122.73.873.523.9100.0.39.01.7
zones supérieures0.0.100.0.100.0.55.34.40.0.53.911.20.0.77.511.384.72.912.58.356.98.559.29.884.614.892.86.972.69.60.0.12.67.078.49.00.0.65.55.471.816.368.15.177.33.826.523.90.0.61.01.7
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.
clairièrézones inférieures100.0.0.0.58.229.926.76.9100.0.16.710.9100.0.0.0.7.42.249.517.456.518.315.314.339.222.510.97.318.48.3100.0.100.0.17.711.3100.0.17.74.714.513.74.93.417.53.80.0.100.0.19.41.7
zones supérieures0.0.100.0.41.829.973.36.90.0.83.310.90.0.100.0.92.62.250.517.443.518.384.714.360.822.589.17.381.68.30.0.0.0.82.311.30.0.82.34.785.513.795.13.482.53.8100.0.0.0.80.61.7
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.
en collectifs serrészones inférieures100.0.50.535.4..10.44.9..5.45.3..10.59.97.92.9100.0.0.0.32.127.00.0.26.022.414.79.7..57.624.20.0...55.16.69.49.09.56.420.58.20.0.100.0.19.92.3
zones supérieures0.0.49.535.4..89.64.9..94.65.3..89.59.992.12.90.0.100.0.67.927.0100.0.74.022.485.39.7..42.424.2100.0...44.96.690.69.090.56.479.58.2100.0.0.0.80.12.3
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.
en collectifs normauxzones inférieures....0.0.16.96.9..49.918.0..13.913.19.43.00.0.0.0.41.819.6100.0.0.0.10.67.1....8.88.5100.0.13.75.20.0.0.0.18.38.2..100.0.14.82.1
zones supérieures....100.0.83.16.9..50.118.0..86.113.190.63.0100.0.100.0.58.219.60.0.100.0.89.47.1....91.28.50.0.86.35.2100.0.100.0.81.78.2..0.0.85.22.1
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.
fermeture étagéezones inférieures100.0.....39.05.5..0.0...0.0.8.74.289.210.239.913.915.96.30.0.0.0.45.335.0....0.0...10.47.023.814.413.38.88.63.7100.0.100.0.23.32.4
zones supérieures0.0.....61.05.5..100.0...100.0.91.34.210.810.260.113.984.16.3100.0.100.0.54.735.0....100.0...89.67.076.214.486.78.891.43.70.0.0.0.76.72.4
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.
totalzones inférieures100.0.32.78.456.67.852.01.497.51.852.93.1100.0.27.44.616.71.186.02.358.52.738.33.140.08.221.84.248.12.6100.0.85.32.930.53.399.30.748.81.827.65.144.71.920.81.667.38.397.90.948.90.5
zones supérieures0.0.67.38.443.47.848.01.42.51.847.13.10.0.72.64.683.31.114.02.341.52.761.73.160.08.278.24.251.92.60.0.14.72.969.53.30.70.751.21.872.45.155.31.979.21.632.78.32.10.951.10.5
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.
© WSL, Inventaire forestier national suisse, 06.07.2020 #877719/344051
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures90.84.410.94.60.0.10.710.15.15.00.0.32.73.8
zones supérieures9.24.489.14.6100.0.89.310.194.95.0100.0.67.33.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
comprimézones inférieures92.81.146.43.858.43.934.55.633.55.663.03.771.21.3
zones supérieures7.21.153.63.841.63.965.55.666.55.637.03.728.81.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
normalzones inférieures87.51.236.33.049.34.434.24.725.04.360.44.065.01.2
zones supérieures12.51.263.73.050.74.465.84.775.04.339.64.035.01.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lâchezones inférieures79.32.232.14.441.65.518.75.09.63.553.25.252.51.8
zones supérieures20.72.267.94.458.45.581.35.090.43.546.85.247.51.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
aérézones inférieures66.82.828.04.037.54.418.54.314.33.139.15.440.21.7
zones supérieures33.22.872.04.062.54.481.54.385.73.160.95.459.81.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
clairièrézones inférieures67.14.621.15.017.35.616.75.114.03.926.36.831.12.3
zones supérieures32.94.678.95.082.75.683.35.186.03.973.76.868.92.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
en collectifs serrészones inférieures53.29.85.02.87.65.214.14.610.94.637.86.919.02.4
zones supérieures46.89.895.02.892.45.285.94.689.14.662.26.981.02.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
en collectifs normauxzones inférieures34.712.67.14.00.0.12.84.521.66.07.04.812.92.3
zones supérieures65.312.692.94.0100.0.87.24.578.46.093.04.887.12.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
fermeture étagéezones inférieures55.89.017.75.318.611.916.17.37.03.410.55.719.32.8
zones supérieures44.29.082.35.381.411.983.97.393.03.489.55.780.72.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalzones inférieures83.00.729.51.339.81.721.81.717.01.447.71.751.40.5
zones supérieures17.00.770.51.360.21.778.21.783.01.452.31.748.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877720/344052
IFN3
surface forestière
degré de fermeture · zones supérieures et inférieures
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
degré de fermeturezones supérieures et inférieures %± %± %± %± %± %± %±
pas d'indicationzones inférieures90.84.410.94.60.0.10.710.15.15.00.0.32.73.8
zones supérieures9.24.489.14.6100.0.89.310.194.95.0100.0.67.33.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
comprimézones inférieures92.51.145.93.656.33.833.45.230.65.060.53.669.11.2
zones supérieures7.51.154.13.643.73.866.65.269.45.039.53.630.91.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
normalzones inférieures87.21.236.03.049.74.333.14.523.54.158.23.963.91.2
zones supérieures12.81.264.03.050.34.366.94.576.54.141.83.936.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lâchezones inférieures79.32.231.04.342.75.218.84.98.83.254.94.951.91.8
zones supérieures20.72.269.04.357.35.281.24.991.23.245.14.948.11.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
aérézones inférieures66.92.826.73.835.84.220.74.314.22.939.25.139.51.6
zones supérieures33.12.873.33.864.24.279.34.385.82.960.85.160.51.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
clairièrézones inférieures63.54.518.04.314.04.612.93.814.33.418.74.026.01.9
zones supérieures36.54.582.04.386.04.687.13.885.73.481.34.074.01.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
en collectifs serrészones inférieures51.49.33.92.25.43.713.04.09.93.530.65.815.91.9
zones supérieures48.69.396.12.294.63.787.04.090.13.569.45.884.11.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
en collectifs normauxzones inférieures26.710.38.13.94.44.311.74.218.45.27.24.012.12.1
zones supérieures73.310.391.93.995.64.388.34.281.65.292.84.087.92.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
fermeture étagéezones inférieures57.38.918.65.214.79.614.96.86.13.016.56.119.52.6
zones supérieures42.78.981.45.285.39.685.16.893.93.083.56.180.52.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalzones inférieures82.30.728.41.238.01.620.81.615.81.243.41.648.80.5
zones supérieures17.70.771.61.262.01.679.21.684.21.256.61.651.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 15.05.2020 #877721/344053
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