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NFI1
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a153.22201.0196.84109.3420.19580.41
inside perimeter3.7230.21001.63519.1109.61434.37
outside perimeter33.6720.39104.93190.7293.33442.82
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #852972/319303
NFI1
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a156.42205.61100.24119.5423.09604.81
inside perimeter3.7230.21001.63520.3109.81435.77
outside perimeter34.0720.79108.73196.7296.73456.82
total194.11226.51210.61336.51129.521097.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #852973/319304
NFI1
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a162.51205.51100.13123.5222.66614.11
inside perimeter3.4170.3582.52019.379.81035.35
outside perimeter31.2520.37109.42194.7299.02454.61
total197.11226.11212.01337.51131.411104.00
© WSL, Swiss National Forest Inventory, 19.06.2020 #852974/319305
NFI1
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a157.22206.71104.93152.9338.87660.61
inside perimeter3.7230.21001.63522.9911.21339.77
outside perimeter34.2720.99110.83208.22112.33486.41
total195.11227.81217.31384.01162.321186.61
© WSL, Swiss National Forest Inventory, 19.06.2020 #852975/319306
NFI1
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a163.11206.41103.62156.0238.55667.61
inside perimeter3.5170.3582.62022.0711.0939.35
outside perimeter31.5520.67111.32207.12115.02485.51
total198.11227.31217.51385.11164.411192.40
© WSL, Swiss National Forest Inventory, 19.06.2020 #852976/319307
NFI2
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a153.22201.0196.84109.3420.19580.41
inside perimeter3.7230.21001.63519.1109.61434.37
outside perimeter33.6720.39104.93190.7293.33442.82
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #852977/319308
NFI2
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a159.32205.61105.13129.7326.08625.71
inside perimeter3.7220.4712.42819.899.81336.17
outside perimeter33.2720.19109.63203.82100.23466.91
total196.21226.11217.11353.41136.021128.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #852978/319309
NFI2
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a159.22207.31103.33129.6325.68625.01
inside perimeter3.7230.21001.63520.9910.21436.77
outside perimeter34.4720.59109.93202.52100.83468.11
total197.31228.01214.81353.11136.621129.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #852979/319310
NFI2
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a160.02208.31108.43167.0341.96685.61
inside perimeter3.7230.21001.63523.5911.41340.57
outside perimeter34.6720.99112.43214.02117.62499.51
total198.31229.41222.41404.51170.911225.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #852980/319311
NFI2
forest area
rockfall SilvaProtect
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a160.22206.71109.83168.7341.76687.11
inside perimeter3.7220.4712.52722.1911.21239.96
outside perimeter33.4720.59111.83214.92116.22496.81
total197.21227.51224.21405.71169.211223.80
© WSL, Swiss National Forest Inventory, 19.06.2020 #852981/319312
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a4.71.40.0.1.91.93.00.65.52.53.61.40.0.4.12.41.10.41.81.03.01.22.21.30.0.5.52.51.60.87.23.53.61.64.01.82.51.50.80.43.12.22.90.81.60.64.34.32.71.12.50.2
single-layered46.83.229.39.146.77.719.81.416.44.024.03.112.512.418.14.611.91.226.83.433.83.414.43.018.07.016.54.019.92.639.46.535.93.718.13.437.64.85.71.07.33.223.02.05.51.011.46.349.13.320.50.5
multi-layered46.83.312.26.68.84.521.21.458.45.333.33.487.512.46.13.014.31.330.43.637.73.543.54.215.96.99.22.812.52.250.36.748.73.923.53.847.84.97.11.120.34.941.62.411.11.429.58.842.53.225.40.6
stratified1.70.94.03.92.52.55.70.80.0.3.41.40.0.2.61.86.90.94.81.66.11.720.93.43.83.712.23.45.41.50.0.2.11.21.61.10.0.1.60.63.32.48.21.34.30.98.75.72.40.95.00.3
clustered structure0.0.0.0.5.13.72.10.50.0.1.00.70.0.4.62.63.30.71.20.90.50.54.81.911.16.16.72.61.80.90.0.0.0.5.62.00.0.1.10.53.12.21.20.52.30.70.0.0.0.2.00.2
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.30.6
inside perimetern/a0.0.0.0.0.0.0.40.20.0.0.40.40.0.2.92.10.30.20.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.80.80.0.0.0.0.0.0.20.20.60.30.0.0.0.0.30.1
single-layered0.0.11.16.31.91.92.90.60.0.1.30.80.0.12.94.06.40.90.60.61.60.90.90.96.24.44.62.32.71.00.0.0.0.2.41.40.0.2.30.713.54.31.20.56.21.13.33.30.0.3.10.2
multi-layered0.0.0.0.0.0.3.10.60.0.0.90.60.0.6.52.83.70.71.60.80.0.2.91.53.83.73.81.95.21.50.0.0.60.62.21.30.0.3.80.812.14.13.70.99.81.30.0.0.0.3.40.2
stratified0.0.0.0.0.0.1.20.40.0.0.0.0.0.0.0.2.40.50.60.60.0.0.0.2.42.40.80.80.50.50.0.0.0.0.0.0.0.1.20.51.31.30.20.25.41.00.0.0.0.1.20.1
clustered structure0.0.0.0.0.0.0.20.20.0.0.0.0.0.5.52.71.50.50.0.0.0.0.0.3.63.50.0.0.0.0.0.0.0.0.0.0.0.0.80.40.0.0.20.21.20.50.0.0.0.0.50.1
total0.0.11.16.31.91.97.90.90.0.2.61.00.0.27.85.414.31.32.81.21.60.93.81.715.96.99.23.08.91.90.0.0.60.65.42.00.0.8.01.226.95.55.71.123.11.83.33.30.0.8.50.4
outside perimetern/a0.0.4.14.10.0.2.00.51.91.32.11.10.0.1.61.61.50.53.11.30.50.51.30.90.0.2.31.62.00.90.0.0.80.81.61.11.11.11.90.60.0.0.70.42.30.72.82.80.30.31.50.2
single-layered0.0.28.28.826.96.710.91.18.33.113.22.30.0.18.14.620.81.59.52.27.01.82.71.420.87.49.03.119.32.50.0.3.11.412.42.93.21.634.12.17.93.56.01.113.61.513.76.72.31.013.30.4
multi-layered0.0.11.16.26.33.518.71.49.53.011.62.30.0.15.74.412.11.218.93.08.22.05.11.814.66.321.44.521.42.63.12.15.21.823.53.66.82.432.32.124.65.310.01.424.31.923.57.70.70.515.40.5
stratified0.0.0.0.0.0.7.50.90.0.2.31.00.0.0.0.9.41.10.60.61.60.91.20.90.0.5.72.34.81.40.0.0.0.2.01.11.11.16.01.01.61.50.50.39.11.32.82.80.0.4.50.3
clustered structure0.0.0.0.0.0.1.20.40.0.2.91.20.0.1.31.34.30.70.0.0.0.0.0.0.0.2.31.62.31.00.0.0.0.2.31.30.0.1.30.51.81.80.20.22.80.70.0.0.0.1.50.2
total0.0.43.39.933.17.040.31.719.74.232.13.20.0.36.75.848.21.832.13.617.32.710.42.535.48.640.75.349.83.23.12.19.12.441.84.412.23.175.71.935.96.017.41.852.12.242.79.13.41.236.20.6
totaln/a4.71.44.14.11.91.95.40.87.42.76.11.70.0.8.73.52.90.64.91.73.51.33.51.60.0.7.82.94.21.37.23.54.41.76.42.23.61.82.70.73.12.23.80.94.50.97.15.13.01.14.30.3
single-layered46.83.268.79.175.46.733.71.724.74.638.53.512.512.449.05.739.11.837.03.742.43.518.13.345.09.230.24.841.93.239.46.539.03.832.84.040.84.842.02.228.75.730.32.125.31.928.48.951.43.336.80.7
multi-layered46.83.323.28.415.15.543.01.767.95.145.83.687.512.428.35.430.21.750.93.945.93.651.54.334.38.734.45.139.13.253.46.754.53.949.34.354.54.943.32.257.06.055.42.345.12.253.19.443.23.244.10.7
stratified1.70.94.03.92.52.514.41.20.0.5.71.70.0.2.61.818.71.46.11.87.71.922.13.46.24.418.73.910.72.00.0.2.11.23.61.61.11.18.81.26.23.18.91.318.71.711.46.32.40.910.70.4
clustered structure0.0.0.0.5.13.73.60.70.0.3.91.40.0.11.43.89.11.11.20.90.50.54.81.914.66.88.93.04.11.30.0.0.0.7.92.30.0.3.20.85.02.81.70.66.41.10.0.0.0.4.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852982/319313
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.90.90.0.4.22.42.80.44.01.44.01.03.73.76.92.11.50.32.30.84.71.02.91.05.52.74.91.62.70.76.12.21.60.76.61.53.31.21.20.35.21.93.20.63.20.63.52.53.90.93.00.2
single-layered45.52.231.86.639.95.618.51.019.62.922.22.126.18.616.03.112.90.924.42.333.02.215.62.216.04.213.52.618.91.738.34.534.02.616.52.335.03.36.70.87.32.222.81.47.30.810.64.248.22.320.10.4
multi-layered48.12.211.44.613.23.823.01.059.13.629.62.270.19.010.22.513.00.936.22.638.72.342.12.912.13.813.52.512.11.548.24.652.12.818.92.447.73.47.00.816.83.141.21.611.11.038.56.544.12.225.50.4
stratified2.50.72.22.12.31.66.80.60.0.2.90.90.0.2.01.17.30.74.91.25.91.120.72.34.32.410.12.23.20.82.41.41.70.81.90.80.80.61.60.44.61.98.50.95.10.75.43.12.00.65.20.2
clustered structure0.0.0.0.2.71.91.60.30.0.1.00.50.0.6.72.03.70.50.90.50.70.45.21.25.62.76.41.82.30.70.0.0.0.4.21.20.50.51.20.33.81.71.70.42.30.50.0.0.0.2.00.1
total100.0.45.47.062.35.552.61.282.72.759.82.3100.0.41.74.138.41.268.72.582.91.886.52.043.55.748.43.739.22.295.02.089.41.748.03.187.42.317.71.237.74.177.41.429.11.458.16.598.20.655.70.4
inside perimetern/a0.0.0.0.0.0.0.40.20.0.0.50.30.0.3.31.50.50.20.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.40.40.0.0.10.10.90.90.10.11.10.30.0.0.0.0.30.1
single-layered0.0.6.63.21.11.12.80.40.0.1.50.60.0.11.72.66.70.60.30.31.20.51.10.69.53.44.21.63.20.80.0.0.0.2.71.00.0.3.10.511.52.71.60.46.20.81.51.50.0.3.20.2
multi-layered0.0.1.61.61.51.53.80.50.0.2.20.70.0.5.31.84.30.50.90.50.20.22.10.92.71.94.01.43.60.90.0.0.60.42.91.00.0.3.70.611.72.82.60.510.91.00.0.0.0.3.50.2
stratified0.0.0.0.0.0.1.10.20.0.0.0.0.0.0.0.2.30.40.40.40.0.0.0.2.61.81.00.70.60.40.0.0.0.0.30.30.0.1.90.41.41.00.10.15.50.70.0.0.0.1.30.1
clustered structure0.0.0.0.0.0.0.40.20.0.0.20.20.0.3.31.41.00.20.0.0.0.0.0.2.82.00.0.0.20.20.0.0.0.0.0.0.0.0.90.31.61.20.10.11.10.30.0.0.0.0.50.1
total0.0.8.33.52.61.98.40.70.0.4.41.00.0.23.63.514.70.91.50.61.40.63.21.017.64.59.22.28.01.20.0.0.60.46.41.50.0.9.70.927.13.94.50.724.71.31.51.50.0.8.80.3
outside perimetern/a0.0.2.52.52.31.61.90.31.40.81.80.70.0.2.71.31.60.31.80.70.50.30.70.54.32.41.10.83.10.80.0.0.40.43.01.00.50.52.00.41.41.00.80.32.30.51.71.70.20.21.60.1
single-layered0.0.27.76.022.64.711.80.85.21.616.71.80.0.19.63.220.31.08.81.55.71.13.51.117.24.410.12.319.71.70.0.3.41.012.42.04.61.433.01.46.42.15.80.811.81.011.54.21.10.513.10.3
multi-layered0.0.16.15.310.13.516.70.910.72.212.21.60.0.11.12.712.60.818.32.18.61.44.41.213.44.021.43.122.61.85.02.05.71.326.92.76.51.730.21.423.53.610.51.022.31.325.45.80.60.315.00.3
stratified0.0.0.0.0.0.7.30.60.0.2.90.80.0.0.0.8.10.70.90.50.90.51.80.81.31.38.22.05.71.00.0.0.40.41.40.71.00.75.90.72.41.30.60.37.50.81.71.70.0.4.30.2
clustered structure0.0.0.0.0.0.1.30.30.0.2.20.70.0.1.30.94.20.50.0.0.0.0.0.2.71.81.71.01.70.60.0.0.0.1.90.90.0.1.60.41.61.20.30.22.30.50.0.0.0.1.50.1
total0.0.46.37.135.15.438.91.217.32.735.92.30.0.34.74.046.91.329.82.515.71.810.31.739.05.742.53.752.82.25.02.010.01.745.63.112.62.372.61.335.34.018.11.346.21.640.46.51.80.635.40.4
totaln/a3.90.92.52.56.52.95.10.55.41.66.31.23.73.712.92.83.60.54.11.15.11.13.51.19.93.46.11.86.31.16.12.22.00.810.01.83.81.33.30.57.42.24.20.76.60.85.23.04.10.94.90.2
single-layered45.52.266.26.763.65.533.11.224.83.140.42.526.18.647.33.940.01.233.52.539.92.320.22.442.75.827.73.341.82.238.34.537.42.631.62.739.63.442.81.525.13.730.21.525.31.423.75.749.32.336.40.4
multi-layered48.12.229.16.524.94.943.41.269.83.344.02.570.19.026.63.729.81.255.42.747.52.448.62.928.25.338.93.638.32.253.24.658.42.748.73.054.33.440.91.552.04.354.31.644.21.664.06.544.72.344.00.5
stratified2.50.72.22.12.31.615.10.90.0.5.91.20.0.2.01.117.71.06.11.36.81.222.52.48.33.319.22.99.51.32.41.42.10.93.61.11.90.99.30.98.42.49.20.918.11.27.13.52.00.610.80.3
clustered structure0.0.0.0.2.71.93.30.40.0.3.50.90.0.11.32.58.90.70.90.50.70.45.21.211.03.68.12.04.20.90.0.0.0.6.11.40.50.53.70.67.12.32.20.55.70.70.0.0.0.4.00.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852983/319314
NFI2
forest area
avalanches SilvaProtect · stand structure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.5.13.70.60.30.0.0.0.0.0.0.0.0.30.20.0.1.50.91.01.00.0.2.21.51.70.80.0.0.0.3.91.71.21.20.0.0.0.0.20.20.60.40.0.0.0.0.60.1
single-layered38.03.225.28.625.37.019.71.426.24.730.43.325.016.218.44.713.71.325.73.428.93.218.23.315.56.48.23.011.32.139.86.641.73.922.93.729.94.25.41.013.74.330.52.29.21.314.77.137.33.220.60.5
multi-layered61.63.216.37.432.87.627.21.653.15.332.33.475.016.210.13.719.71.537.63.747.33.653.04.321.97.937.55.125.62.857.26.648.64.019.93.655.54.89.61.316.44.640.02.310.81.432.29.159.33.230.60.6
stratified0.0.0.0.1.91.93.00.61.01.01.50.90.0.2.81.92.70.60.60.62.51.110.52.63.83.72.21.51.70.80.0.0.0.4.61.91.21.21.20.54.02.24.10.91.80.67.15.10.0.2.30.2
clustered structure0.0.4.03.90.0.1.40.40.0.1.00.70.0.4.12.31.10.41.20.81.00.73.11.67.55.00.0.0.90.70.0.0.0.1.51.10.0.0.20.23.12.22.10.72.20.70.0.0.0.1.20.2
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.30.6
inside perimetern/a0.0.0.0.0.0.0.10.10.0.0.0.0.0.2.61.80.0.0.0.0.0.0.0.3.83.70.0.0.40.40.0.0.0.0.80.80.0.0.0.1.31.30.0.0.60.40.0.0.0.0.20.1
single-layered0.0.11.16.31.91.93.10.60.0.1.70.80.0.11.94.07.00.90.60.61.10.80.90.92.42.43.32.03.61.20.0.0.0.2.41.40.0.1.60.616.14.42.40.76.41.10.0.0.0.3.20.2
multi-layered0.0.0.0.0.0.3.90.70.0.0.90.60.0.10.83.75.90.91.70.90.50.52.91.59.75.75.92.44.01.30.0.0.60.62.21.30.0.4.30.99.53.82.70.812.11.43.33.30.0.4.00.3
stratified0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.31.31.10.40.50.50.0.0.0.0.0.0.0.1.00.70.0.0.0.0.0.0.0.1.90.60.0.0.50.33.00.80.0.0.0.0.80.1
clustered structure0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.31.30.40.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.1.00.40.0.0.0.0.20.1
total0.0.11.16.31.91.97.90.90.0.2.61.00.0.27.85.414.31.32.81.21.60.93.81.715.96.99.23.08.91.90.0.0.60.65.42.00.0.8.01.226.95.55.71.123.11.83.33.30.0.8.50.4
outside perimetern/a0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.1.40.40.0.0.0.0.0.0.0.0.80.81.30.70.0.0.0.0.0.0.0.0.60.41.81.80.50.30.60.40.0.0.0.0.50.1
single-layered0.0.20.07.420.05.811.51.19.33.212.42.30.0.16.74.518.61.45.91.83.71.44.21.719.57.39.63.215.02.30.0.2.91.316.93.31.30.925.92.011.34.16.81.217.71.712.66.01.60.812.30.4
multi-layered0.0.19.27.913.25.224.41.510.53.117.22.70.0.20.04.923.41.524.93.313.72.55.61.815.95.629.34.930.42.93.12.16.22.021.93.710.93.044.22.219.94.97.81.325.51.926.87.81.70.920.20.5
stratified0.0.0.0.0.0.3.10.60.0.1.20.80.0.0.0.3.70.71.20.90.0.0.70.70.0.0.0.3.01.10.0.0.0.3.11.50.0.4.50.92.82.02.10.76.11.13.33.30.0.2.50.2
clustered structure0.0.4.14.10.0.1.10.40.0.1.30.70.0.0.0.1.10.40.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.0.0.0.0.50.30.0.0.20.22.20.60.0.0.0.0.70.1
total0.0.43.39.933.17.040.31.719.74.232.13.20.0.36.75.848.21.832.13.617.32.710.42.535.48.640.75.349.83.23.12.19.12.441.84.412.23.175.71.935.96.017.41.852.12.242.79.13.41.236.20.6
totaln/a0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
single-layered38.03.256.49.547.18.034.31.735.45.144.63.625.016.247.06.039.31.832.33.633.63.423.23.637.48.321.14.429.93.039.86.644.63.942.24.331.24.232.92.141.16.239.72.333.42.127.38.439.03.236.10.7
multi-layered61.63.235.59.445.98.055.41.863.65.250.43.675.016.241.05.948.91.864.23.761.43.461.54.147.59.472.74.860.03.160.26.655.43.944.04.466.34.358.12.245.86.250.62.448.42.262.39.261.03.254.90.7
stratified0.0.0.0.1.91.96.40.91.01.02.71.20.0.4.12.37.51.02.41.22.51.111.22.73.83.72.21.55.71.50.0.0.0.7.72.41.21.27.51.26.82.96.71.210.91.410.46.00.0.5.60.3
clustered structure0.0.8.15.50.0.2.90.60.0.2.31.00.0.5.42.62.60.61.20.81.00.73.11.67.55.01.11.10.90.70.0.0.0.1.51.10.0.0.90.43.12.22.30.75.41.00.0.0.0.2.10.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852984/319315
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a5.01.40.0.1.91.93.10.66.42.64.51.50.0.4.02.31.40.42.31.23.41.32.11.30.0.6.42.63.71.27.23.53.61.66.82.22.41.41.30.53.02.13.50.92.50.74.24.23.01.13.00.2
single-layered46.43.229.39.146.77.719.51.416.24.023.53.012.512.419.14.712.11.226.53.332.53.314.73.017.36.716.03.918.72.439.46.536.13.717.03.238.04.86.11.06.93.022.71.96.01.011.16.149.03.220.20.5
multi-layered46.83.212.26.68.84.520.81.457.85.332.73.387.512.45.92.914.61.331.23.538.63.442.24.115.36.78.92.712.52.150.36.748.63.922.93.747.44.97.71.120.94.942.02.311.01.428.68.542.13.225.20.6
stratified1.70.84.03.92.52.56.20.80.0.3.31.30.0.2.51.87.10.94.71.66.31.720.23.33.63.611.83.35.11.40.0.2.11.21.51.10.0.1.50.53.22.27.91.24.30.98.45.62.71.05.10.3
clustered structure0.0.0.0.5.13.72.20.50.0.1.00.70.0.4.42.53.40.71.20.80.50.56.32.010.75.96.52.52.00.90.0.0.0.5.21.90.0.1.30.54.22.41.20.52.40.70.0.0.0.2.10.2
total100.0.45.59.965.07.051.81.780.54.265.03.1100.0.36.05.838.61.865.83.681.42.785.52.946.99.049.65.342.03.196.92.190.42.453.54.387.93.117.81.638.15.877.21.926.21.952.38.796.71.155.60.6
inside perimetern/a0.0.0.0.0.0.0.50.20.0.0.40.40.0.2.82.00.40.20.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.70.70.0.0.0.0.0.0.20.20.80.40.0.0.0.0.30.1
single-layered0.0.11.16.31.91.92.80.60.0.1.30.80.0.12.53.96.10.90.60.61.50.90.90.96.04.34.52.22.61.00.0.0.0.2.31.30.0.2.10.612.74.11.20.55.91.03.23.20.0.3.00.2
multi-layered0.0.0.0.0.0.3.10.60.0.0.80.60.0.6.32.73.70.71.50.80.50.52.81.43.63.63.71.94.91.40.0.0.60.63.31.40.0.3.60.811.53.93.80.99.31.20.0.0.0.3.30.2
stratified0.0.0.0.0.0.1.20.40.0.0.0.0.0.0.0.2.40.50.60.60.0.0.0.2.32.30.70.70.50.50.0.0.0.0.0.0.0.1.10.41.31.20.20.25.11.00.0.0.0.1.20.1
clustered structure0.0.0.0.0.0.0.30.20.0.0.0.0.0.5.42.61.50.40.0.0.0.0.0.3.43.40.0.0.0.0.0.0.0.0.0.0.0.0.70.40.0.0.20.21.10.50.0.0.0.0.50.1
total0.0.11.16.31.91.98.00.90.0.2.61.00.0.27.05.314.11.32.71.12.01.03.71.615.36.78.93.08.41.80.0.0.60.66.32.00.0.7.61.125.55.35.71.122.31.83.23.20.0.8.40.4
outside perimetern/a0.0.4.14.10.0.2.10.51.91.32.51.10.0.3.12.11.70.52.91.30.50.51.30.90.0.2.21.62.30.90.0.0.80.81.51.11.11.12.60.70.0.0.60.42.40.72.72.70.30.31.70.2
single-layered0.0.28.28.826.96.711.21.18.23.013.42.30.0.17.54.520.31.59.22.26.81.73.41.523.77.88.83.018.52.40.0.3.11.411.72.73.21.633.52.08.83.55.81.113.41.516.47.02.21.013.20.4
multi-layered0.0.11.16.26.33.518.31.39.43.011.42.30.0.15.24.312.01.218.32.97.91.94.91.714.16.122.14.421.72.53.12.15.11.823.03.56.72.431.32.024.55.19.81.424.21.922.87.60.70.515.20.5
stratified0.0.0.0.0.0.7.60.90.0.2.31.00.0.0.0.9.01.01.10.81.50.91.20.90.0.6.32.45.01.40.0.0.0.1.81.01.11.15.91.01.51.50.60.48.91.22.72.70.0.4.50.3
clustered structure0.0.0.0.0.0.1.20.40.0.2.81.20.0.1.31.24.30.70.0.0.0.0.0.0.0.2.21.62.21.00.0.0.0.2.21.30.0.1.30.51.71.70.20.22.70.70.0.0.0.1.50.2
total0.0.43.39.933.17.040.31.719.54.232.43.20.0.37.15.847.31.831.53.516.72.610.82.537.78.741.55.249.63.13.12.19.02.340.24.312.13.174.61.936.45.917.21.751.52.244.58.93.31.136.10.6
totaln/a5.01.44.14.11.91.95.70.88.32.87.41.90.0.9.93.63.50.75.31.73.91.43.41.50.0.8.63.06.41.57.23.54.31.79.12.43.51.83.90.83.02.14.30.95.71.06.94.93.31.25.00.3
single-layered46.43.268.79.175.46.733.51.624.44.638.33.412.512.449.15.638.51.836.23.640.83.418.93.446.99.129.34.739.73.039.46.539.23.830.93.841.24.841.72.128.45.529.72.125.31.930.79.051.23.236.40.6
multi-layered46.83.223.28.415.15.542.21.767.35.144.93.687.512.427.45.330.31.750.93.847.03.549.94.233.08.534.65.039.13.153.46.754.33.949.24.254.14.942.72.156.85.955.62.344.52.251.49.342.83.243.80.7
stratified1.70.84.03.92.52.515.01.20.0.5.61.70.0.2.51.818.61.46.41.87.91.921.43.36.04.318.83.810.52.00.0.2.11.23.41.51.11.18.51.25.92.98.81.318.31.711.16.12.71.010.80.4
clustered structure0.0.0.0.5.13.73.70.60.0.3.81.30.0.11.03.79.21.01.20.80.50.56.32.014.16.68.72.94.21.30.0.0.0.7.42.20.0.3.30.75.92.91.60.66.31.10.0.0.0.4.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852985/319316
NFI2
forest area
avalanches SilvaProtect · stand structure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.4.53.30.50.20.0.0.0.0.0.0.90.90.40.20.0.1.40.80.90.92.92.91.91.31.40.70.0.0.0.3.11.41.21.20.0.1.21.20.20.20.50.30.0.0.0.0.60.1
single-layered38.23.024.47.725.56.619.61.326.84.528.43.036.415.018.64.214.31.225.73.131.53.020.23.216.65.98.62.813.22.040.26.241.63.623.73.429.44.06.31.012.13.430.12.010.91.317.16.737.52.920.80.5
multi-layered61.53.013.46.230.47.027.71.452.35.033.83.163.615.011.43.520.41.336.93.446.73.351.84.024.87.138.94.725.12.555.56.348.93.718.83.256.34.610.31.221.04.439.82.110.81.329.98.058.92.930.40.5
stratified0.0.0.0.1.61.63.30.60.80.82.21.00.0.2.31.62.80.50.60.62.10.99.82.42.92.91.91.31.30.70.0.0.0.5.01.71.21.22.20.65.32.35.10.92.80.77.94.50.0.2.60.2
clustered structure0.0.7.04.80.0.1.50.40.0.1.30.80.0.5.82.51.30.41.50.81.60.83.21.55.94.00.0.1.00.60.0.0.0.1.20.80.0.0.30.24.42.22.10.62.10.60.0.0.40.41.40.1
total100.0.44.89.062.06.552.71.679.94.065.72.9100.0.39.05.239.21.664.63.583.42.485.82.753.18.051.24.842.12.895.72.490.52.251.84.088.23.019.11.644.05.177.21.827.21.854.98.396.81.055.80.5
inside perimetern/a0.0.0.0.0.0.0.10.10.0.0.0.0.0.2.01.40.0.0.0.0.0.0.0.2.92.90.0.0.70.50.0.0.0.0.60.60.0.0.0.1.01.00.0.0.50.30.0.0.0.0.20.1
single-layered0.0.9.25.21.61.62.90.50.0.1.90.80.0.10.43.36.30.80.50.50.90.61.20.94.63.32.71.63.11.00.0.0.0.3.21.40.0.1.50.517.13.82.40.66.91.00.0.0.0.3.20.2
multi-layered0.0.0.0.0.0.3.80.60.0.1.30.80.0.10.73.35.30.71.50.80.40.42.51.27.54.45.72.13.71.10.0.0.50.51.81.00.0.4.00.86.72.72.40.611.61.32.92.90.0.3.80.2
stratified0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.11.11.00.30.40.40.0.0.0.0.0.0.0.0.80.60.0.0.0.0.50.50.0.2.00.60.0.0.40.32.40.60.0.0.0.0.80.1
clustered structure0.0.0.0.0.0.0.30.20.0.0.0.0.0.2.11.50.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.0.0.0.0.80.40.0.0.0.0.20.1
total0.0.9.25.21.61.67.50.90.0.3.11.10.0.26.34.712.91.12.41.01.30.73.71.515.05.98.42.68.31.60.0.0.50.56.11.90.0.7.81.124.84.55.10.922.21.72.92.90.0.8.20.3
outside perimetern/a0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.11.11.10.30.0.0.0.0.0.0.0.0.70.72.20.90.0.0.0.0.0.0.0.0.50.31.21.20.40.30.80.40.0.0.0.0.50.1
single-layered0.0.23.47.220.25.411.91.18.02.812.02.10.0.15.73.918.71.36.31.73.61.34.21.619.86.68.52.714.02.00.0.2.51.115.72.91.81.025.11.810.43.27.71.117.21.510.04.81.40.712.30.4
multi-layered0.0.19.47.216.25.223.51.412.13.215.92.40.0.17.94.122.31.325.63.211.72.15.71.712.14.530.34.529.22.54.32.46.51.923.53.410.02.842.82.017.34.07.31.124.91.729.37.51.80.819.90.5
stratified0.0.0.0.0.0.3.10.60.0.1.40.80.0.0.0.4.40.71.10.80.0.0.60.60.0.0.0.2.40.90.0.0.0.3.01.30.0.4.30.82.11.52.10.65.70.92.92.90.0.2.50.2
clustered structure0.0.3.23.20.0.1.20.30.0.2.00.90.0.0.0.1.30.40.0.0.0.0.0.0.0.1.01.01.80.80.0.0.0.0.0.0.0.0.40.30.0.0.20.21.90.60.0.0.0.0.80.1
total0.0.46.09.036.56.539.81.620.14.031.22.90.0.34.75.147.81.633.03.415.32.410.52.331.97.340.44.849.72.94.32.49.02.242.14.011.83.073.11.831.14.917.61.650.62.042.28.43.21.036.00.5
totaln/a0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
single-layered38.23.056.98.647.37.434.31.634.84.842.33.336.415.044.85.439.31.632.53.436.13.125.73.541.07.719.83.930.42.640.26.244.13.642.53.931.24.032.91.939.75.240.22.134.91.927.27.638.92.936.40.6
multi-layered61.53.032.88.446.67.555.01.664.44.850.93.463.615.039.95.248.01.664.03.558.83.260.03.844.38.274.84.258.02.859.86.255.93.644.04.066.44.157.12.045.05.349.42.147.42.062.18.360.72.954.00.6
stratified0.0.0.0.1.61.66.80.80.80.83.61.20.0.3.31.98.20.92.11.02.10.910.32.42.92.91.91.34.51.20.0.0.0.8.52.21.21.28.51.17.42.77.51.110.91.310.75.40.0.5.90.3
clustered structure0.0.10.25.60.0.3.00.60.0.3.31.10.0.7.92.93.00.61.50.81.60.83.21.55.94.01.01.02.81.00.0.0.0.1.20.80.0.1.00.44.42.22.30.64.90.90.0.0.40.42.40.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852986/319317
NFI2
forest area
avalanches SilvaProtect · stand structure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.5.13.70.60.30.0.0.0.0.0.0.0.0.40.20.0.1.40.81.01.00.0.2.11.51.50.70.0.0.0.3.61.61.21.20.0.0.0.0.20.20.60.30.0.0.0.0.60.1
single-layered36.93.125.28.625.37.019.41.427.24.729.93.233.316.719.64.614.21.227.33.429.13.119.83.417.56.77.72.812.52.139.86.641.93.822.73.630.14.25.91.014.74.130.92.110.41.314.36.936.43.120.70.5
multi-layered62.83.116.37.432.87.627.51.551.55.232.23.366.716.712.13.820.31.436.53.646.63.551.74.225.77.839.65.125.62.757.26.648.73.918.53.455.44.710.81.319.74.739.32.211.31.431.28.859.93.230.50.6
stratified0.0.0.0.1.91.93.00.60.90.91.91.00.0.2.61.83.00.60.60.62.41.010.12.53.43.42.11.51.50.80.0.0.0.5.72.01.21.21.90.63.51.94.91.02.60.76.94.90.0.2.60.2
clustered structure0.0.4.03.90.0.1.70.40.0.1.00.70.0.3.82.11.50.41.10.81.90.93.01.56.84.60.0.1.20.70.0.0.0.1.41.00.0.0.20.22.71.92.40.72.30.70.0.0.40.41.40.2
total100.0.45.59.965.07.052.21.779.74.265.03.1100.0.38.05.739.31.765.53.681.42.785.62.953.48.651.55.242.33.096.92.190.62.451.94.388.03.118.81.640.55.677.61.927.21.952.38.796.71.155.70.6
inside perimetern/a0.0.0.0.0.0.0.10.10.0.0.0.0.0.2.41.70.0.0.0.0.0.0.0.3.43.40.0.0.40.40.0.0.0.0.70.70.0.0.0.1.21.10.0.0.60.30.0.0.0.0.20.1
single-layered0.0.11.16.31.91.93.10.60.0.1.60.80.0.10.93.76.20.80.60.61.00.70.90.92.22.23.11.83.21.10.0.0.0.2.81.40.0.1.50.515.44.02.50.76.41.00.0.0.0.3.10.2
multi-layered0.0.0.0.0.0.3.70.60.0.0.90.60.0.10.03.45.70.81.60.90.50.52.81.48.85.25.62.33.51.20.0.0.60.62.01.20.0.4.10.88.23.32.70.711.51.43.23.20.0.3.90.3
stratified0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.21.21.10.30.50.50.0.0.0.0.0.0.0.0.90.60.0.0.0.0.60.60.0.1.90.60.0.0.50.32.80.70.0.0.0.0.80.1
clustered structure0.0.0.0.0.0.0.40.20.0.0.0.0.0.2.41.70.40.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.0.0.0.0.90.40.0.0.0.0.30.1
total0.0.11.16.31.91.97.70.90.0.2.51.00.0.26.95.113.31.22.71.21.50.93.71.614.46.38.72.98.01.70.0.0.60.66.22.00.0.7.81.124.85.05.71.122.21.83.23.20.0.8.30.4
outside perimetern/a0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.1.20.40.0.0.0.0.0.0.0.0.70.71.60.80.0.0.0.0.0.0.0.0.60.31.61.60.40.30.80.40.0.0.0.0.50.1
single-layered0.0.20.07.420.05.811.51.19.03.111.92.20.0.16.64.217.91.35.81.84.01.44.71.817.76.79.13.014.62.20.0.2.81.316.43.21.30.925.61.99.83.66.51.117.51.612.25.81.60.812.20.4
multi-layered0.0.19.27.913.25.224.21.511.43.217.32.60.0.18.54.522.41.424.83.313.12.45.41.714.45.129.04.829.92.73.12.16.12.022.63.610.73.042.42.120.84.67.51.224.61.829.27.61.70.820.00.5
stratified0.0.0.0.0.0.3.10.60.0.1.10.80.0.0.0.4.40.71.20.80.0.0.60.60.0.0.0.2.71.00.0.0.0.2.91.40.0.4.40.92.51.82.10.75.71.03.23.20.0.2.60.2
clustered structure0.0.4.14.10.0.1.10.40.0.2.21.00.0.0.0.1.40.40.0.0.0.0.0.0.0.1.01.00.80.60.0.0.0.0.0.0.0.0.40.30.0.0.20.22.00.60.0.0.0.0.80.1
total0.0.43.39.933.17.040.11.720.34.232.53.10.0.35.15.547.41.731.83.517.12.610.82.532.17.939.85.149.73.03.12.18.92.341.94.312.03.173.41.934.75.616.71.750.62.244.58.93.31.136.00.6
totaln/a0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
single-layered36.93.156.49.547.18.034.01.636.25.143.53.533.316.747.15.838.21.733.63.634.13.325.43.737.48.119.94.230.32.839.86.644.63.941.94.231.44.233.02.039.95.839.82.234.32.026.48.238.03.136.00.6
multi-layered62.83.135.59.445.98.055.51.762.95.150.33.666.716.740.55.748.41.763.03.760.23.459.94.049.09.074.24.659.13.060.26.655.43.943.24.366.14.257.22.148.75.949.42.347.32.163.58.961.63.154.40.7
stratified0.0.0.0.1.91.96.40.80.90.93.11.20.0.3.82.18.51.02.31.12.41.010.82.63.43.42.11.55.11.40.0.0.0.9.22.51.21.28.21.15.92.57.51.211.21.410.05.90.0.6.00.3
clustered structure0.0.8.15.50.0.3.10.60.0.3.21.20.0.6.22.73.20.61.10.81.90.93.01.56.84.61.01.02.00.90.0.0.0.1.41.00.0.0.90.42.71.92.60.75.21.00.0.0.40.42.40.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852987/319318
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a3.10.43.10.63.10.71.60.61.20.40.80.42.50.2
single-layered33.91.013.91.118.91.65.51.012.81.46.01.020.40.5
multi-layered43.51.116.81.214.81.511.11.416.41.56.51.025.20.6
stratified5.40.56.50.83.20.74.30.97.61.11.90.65.10.3
clustered structure0.50.23.40.63.10.72.30.73.80.81.10.41.90.2
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimetern/a0.0.0.50.20.70.40.60.30.30.20.0.0.30.1
single-layered0.20.14.30.75.50.96.21.16.01.03.50.73.10.2
multi-layered0.80.24.00.64.90.99.81.33.90.83.80.83.40.2
stratified0.10.11.30.40.30.25.41.02.30.61.40.51.20.1
clustered structure0.0.0.40.20.70.41.20.51.50.50.90.40.50.1
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimetern/a0.80.22.20.51.90.62.30.71.30.52.00.61.50.2
single-layered4.30.413.71.117.41.513.61.517.61.534.51.913.30.4
multi-layered6.80.520.51.320.91.724.31.912.01.328.51.815.50.5
stratified0.60.27.40.92.80.79.11.39.01.17.11.04.50.3
clustered structure0.0.2.00.51.70.52.80.74.40.81.90.51.50.2
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
totaln/a3.90.45.80.85.71.04.50.92.80.72.90.74.20.3
single-layered38.41.131.91.541.92.025.31.936.41.944.02.036.80.7
multi-layered51.11.141.41.640.62.045.12.232.31.938.82.044.10.7
stratified6.00.515.11.26.31.018.71.718.81.610.51.210.80.4
clustered structure0.50.25.80.85.60.96.41.19.71.23.90.84.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852988/319319
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a3.40.43.40.64.40.82.50.71.50.51.20.43.00.2
single-layered33.81.013.41.118.31.66.01.012.91.36.41.020.20.5
multi-layered43.41.116.91.214.61.411.01.416.81.56.91.025.10.6
stratified5.30.56.90.83.00.74.30.97.71.12.00.55.10.3
clustered structure0.60.23.30.63.30.72.40.73.90.81.20.42.00.2
total86.50.744.01.643.72.026.21.942.71.917.81.555.30.6
inside perimetern/a0.0.0.60.20.70.30.80.40.50.30.0.0.30.1
single-layered0.20.14.20.65.30.95.91.05.70.93.40.73.00.2
multi-layered0.90.24.10.65.00.99.31.23.90.83.60.73.40.2
stratified0.10.11.20.30.30.25.11.02.20.61.50.51.20.1
clustered structure0.0.0.50.20.70.31.10.51.40.50.90.40.50.1
total1.20.210.51.011.91.322.31.813.71.49.31.18.40.4
outside perimetern/a0.80.22.30.52.20.62.40.71.60.52.60.61.70.2
single-layered4.30.413.81.117.11.513.41.517.11.533.91.813.20.4
multi-layered6.60.520.11.320.81.624.21.912.01.327.71.815.30.5
stratified0.70.27.50.92.80.78.91.28.61.16.91.04.50.3
clustered structure0.0.1.90.41.60.52.70.74.40.81.80.51.50.2
total12.40.745.51.644.52.051.52.243.62.072.91.736.30.6
totaln/a4.20.46.30.87.31.15.71.03.50.73.80.74.90.3
single-layered38.21.031.31.540.61.925.31.935.71.943.71.936.40.6
multi-layered50.91.141.11.640.32.044.52.232.61.838.21.943.80.7
stratified6.00.515.61.26.21.018.31.718.51.510.41.210.90.4
clustered structure0.60.25.70.75.60.96.31.19.71.23.90.74.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852989/319320
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a3.20.33.50.44.70.63.20.61.70.41.10.33.00.2
single-layered32.80.713.50.818.31.17.30.814.01.06.80.720.10.4
multi-layered45.00.817.90.914.21.011.11.015.11.06.10.725.50.4
stratified5.70.46.50.62.40.45.10.78.20.81.80.45.20.2
clustered structure0.70.12.70.43.30.52.30.54.00.51.40.32.00.1
total87.40.544.01.142.91.429.11.443.01.417.21.055.80.4
inside perimetern/a0.0.0.50.20.80.31.10.30.50.20.20.10.30.1
single-layered0.20.14.10.45.10.66.20.86.00.74.50.63.20.2
multi-layered0.70.14.30.54.60.610.91.04.50.63.60.53.50.2
stratified0.10.01.10.20.50.25.50.72.40.41.80.41.30.1
clustered structure0.0.0.50.20.70.21.10.30.90.31.00.30.50.1
total1.00.210.50.711.60.924.71.314.41.011.00.88.80.3
outside perimetern/a0.60.12.10.32.90.52.30.51.70.41.80.41.60.1
single-layered4.00.314.60.816.81.111.81.016.91.033.91.313.10.3
multi-layered6.40.419.50.921.31.222.31.312.40.927.01.215.00.3
stratified0.60.17.30.63.00.57.50.87.40.77.00.74.30.2
clustered structure0.0.2.00.31.40.32.30.54.20.62.10.41.50.1
total11.70.545.41.145.51.446.21.642.61.471.81.235.40.4
totaln/a3.80.36.10.58.50.86.60.83.90.53.00.54.90.2
single-layered37.00.732.21.140.11.425.31.436.91.345.21.436.40.5
multi-layered52.10.841.71.140.11.444.21.632.01.336.71.344.00.5
stratified6.40.414.80.86.00.718.11.218.01.110.60.810.80.3
clustered structure0.70.15.20.55.40.65.70.79.10.84.50.63.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852990/319321
NFI2
forest area
avalanches SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a0.40.10.80.31.90.60.60.40.30.20.0.0.60.1
single-layered33.81.013.01.116.11.59.21.315.41.55.50.920.50.5
multi-layered49.71.124.61.420.31.710.81.422.01.79.31.230.50.6
stratified2.00.33.20.63.10.71.80.62.90.71.30.42.30.2
clustered structure0.60.22.20.51.80.52.20.71.20.40.30.21.20.1
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimetern/a0.0.0.20.20.90.40.60.40.0.0.0.0.20.1
single-layered0.30.14.50.75.81.06.41.17.21.02.60.63.30.2
multi-layered0.80.25.00.74.80.912.11.45.60.94.90.94.10.3
stratified0.10.10.50.20.50.33.00.81.10.41.70.50.80.1
clustered structure0.0.0.30.20.20.21.00.40.20.20.50.30.20.1
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimetern/a0.0.0.60.20.70.30.60.41.50.50.70.30.50.1
single-layered3.40.414.21.216.81.517.71.718.71.624.51.712.30.4
multi-layered8.80.625.71.424.61.825.51.919.81.643.52.020.40.5
stratified0.20.13.80.62.50.76.11.13.10.74.90.82.50.2
clustered structure0.0.1.50.40.20.22.20.61.20.40.50.30.70.1
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
totaln/a0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
single-layered37.51.131.71.538.72.033.42.141.22.032.51.936.10.7
multi-layered59.31.155.21.649.72.148.42.247.32.057.72.055.00.7
stratified2.30.37.50.96.11.010.91.47.11.07.91.15.60.3
clustered structure0.60.24.00.62.10.65.41.02.50.61.30.52.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852991/319322
NFI2
forest area
avalanches SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a0.30.10.70.31.70.50.60.30.40.30.0.0.60.1
single-layered34.01.013.11.116.61.510.41.315.81.45.90.920.60.5
multi-layered49.61.125.01.420.51.611.31.422.51.610.51.230.40.6
stratified2.00.33.60.63.20.72.60.73.20.72.00.52.60.2
clustered structure0.60.22.60.51.80.52.30.71.60.50.30.21.30.2
total86.60.745.01.643.82.027.21.943.61.918.71.555.50.6
inside perimetern/a0.0.0.20.10.80.40.60.30.0.0.0.0.20.1
single-layered0.30.14.40.75.60.96.41.06.40.92.30.63.20.2
multi-layered0.80.24.80.74.40.811.51.45.50.94.60.83.90.3
stratified0.00.00.50.20.60.32.80.71.00.41.80.50.80.1
clustered structure0.0.0.30.20.30.20.90.40.10.10.60.30.30.1
total1.10.210.21.011.81.322.21.813.01.39.31.18.30.4
outside perimetern/a0.0.0.50.20.80.40.80.41.30.40.60.30.50.1
single-layered3.40.413.91.116.21.517.51.618.11.524.01.612.30.4
multi-layered8.80.624.91.424.71.724.61.818.91.541.81.920.10.5
stratified0.20.13.80.62.20.65.71.03.60.75.10.82.60.2
clustered structure0.0.1.60.40.50.32.00.61.50.50.40.30.80.1
total12.30.744.71.644.42.050.62.243.41.972.01.736.20.6
totaln/a0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
single-layered37.71.031.51.538.51.934.32.040.31.832.31.836.00.6
multi-layered59.11.154.71.649.62.047.32.146.91.956.91.954.40.7
stratified2.20.37.80.96.01.011.21.47.81.08.91.16.00.3
clustered structure0.60.24.50.72.50.65.21.03.20.71.30.42.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852992/319323
NFI2
forest area
avalanches SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a0.30.10.70.31.80.50.50.30.50.30.0.0.60.1
single-layered34.41.013.11.016.41.410.91.316.01.36.20.920.80.5
multi-layered49.51.025.11.320.61.510.81.322.41.510.31.130.30.5
stratified2.00.33.90.63.10.62.80.73.00.62.20.52.70.2
clustered structure0.70.22.50.52.20.52.10.61.50.40.40.21.40.1
total86.80.745.31.544.11.827.21.843.41.819.11.455.60.5
inside perimetern/a0.0.0.20.10.80.30.50.30.0.0.0.0.20.1
single-layered0.30.14.30.65.80.96.91.06.50.92.30.53.20.2
multi-layered0.70.24.70.64.30.711.61.35.10.84.40.73.80.2
stratified0.00.00.50.20.50.32.40.60.90.32.00.50.80.1
clustered structure0.0.0.30.20.30.20.80.40.10.10.50.30.20.1
total1.10.210.00.911.71.222.21.712.61.29.31.08.20.3
outside perimetern/a0.0.0.50.21.10.40.80.41.20.40.50.30.50.1
single-layered3.30.415.01.115.71.317.21.519.41.423.21.512.40.4
multi-layered8.70.623.91.324.51.624.91.718.61.442.31.819.90.5
stratified0.20.13.80.62.10.55.70.93.50.75.10.82.50.2
clustered structure0.0.1.60.40.80.31.90.61.30.40.50.30.80.1
total12.10.744.71.544.21.850.62.044.01.871.61.636.20.5
totaln/a0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
single-layered38.01.032.41.437.91.834.91.942.01.831.71.736.40.6
multi-layered58.91.053.71.549.31.847.42.046.11.857.01.854.00.6
stratified2.20.38.20.85.80.910.91.37.30.99.31.06.00.3
clustered structure0.70.24.30.63.30.74.90.92.90.61.40.42.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852993/319324
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a2.50.65.41.53.31.23.00.92.90.74.21.52.30.73.01.04.11.34.92.12.11.21.60.61.20.40.80.42.50.2
single-layered21.21.532.93.234.73.241.62.646.72.213.02.415.91.721.02.210.21.918.13.613.82.95.51.012.81.46.01.020.40.5
multi-layered42.31.852.63.450.03.437.72.642.62.116.12.718.91.818.22.113.82.218.43.74.41.911.11.416.41.56.51.025.30.6
stratified10.91.10.0.1.40.84.01.02.60.74.41.69.51.43.41.02.41.01.91.33.51.54.30.97.61.11.90.65.00.3
clustered structure1.50.50.0.0.0.0.0.0.0.1.00.73.80.83.00.94.01.31.91.44.71.92.30.73.80.81.10.41.90.2
total78.31.590.91.989.42.186.31.894.81.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.10.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.1.00.70.0.0.0.1.20.71.01.02.41.40.60.30.30.20.0.0.30.1
single-layered0.60.30.0.0.0.0.0.0.0.3.51.33.00.82.20.87.41.610.93.09.22.56.21.16.01.03.50.73.10.2
multi-layered2.40.60.0.0.0.0.0.0.0.5.21.61.20.51.80.78.51.810.12.98.42.49.81.33.90.83.80.83.40.2
stratified0.30.20.0.0.0.0.0.0.0.1.00.71.30.50.0.1.60.80.90.91.01.05.41.02.30.61.40.51.20.2
clustered structure0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.80.60.0.3.11.51.20.51.50.50.90.40.50.1
total3.20.70.0.0.0.0.0.0.0.10.62.25.91.14.01.019.52.522.94.124.03.723.11.814.01.49.71.28.50.4
outside perimetern/a1.50.40.90.60.40.40.60.40.20.22.71.22.20.72.50.91.60.80.0.2.41.42.30.71.30.52.00.61.50.2
single-layered6.10.93.31.23.71.34.41.12.40.720.12.910.61.418.02.114.92.37.52.623.53.513.61.517.61.534.51.913.30.4
multi-layered10.11.14.91.46.11.67.61.42.30.621.63.020.71.922.62.319.02.422.43.915.03.124.31.912.01.328.51.815.40.5
stratified0.80.30.0.0.40.41.10.60.20.23.01.39.01.33.10.98.01.71.01.03.41.79.11.39.01.17.11.04.60.3
clustered structure0.0.0.0.0.0.0.0.0.0.3.31.21.20.51.20.62.41.01.01.03.41.52.80.74.40.81.90.51.50.2
total18.51.49.11.910.62.113.71.85.21.050.63.643.82.347.42.746.03.231.94.447.64.252.12.244.32.074.01.836.30.6
totaln/a4.00.76.31.63.71.33.61.03.10.87.92.04.50.95.51.36.91.65.92.36.82.24.50.92.80.72.90.74.30.3
single-layered27.81.636.23.338.43.346.02.649.12.136.53.429.52.141.12.632.53.036.54.646.44.025.31.936.41.944.02.036.80.6
multi-layered54.81.857.53.456.13.345.32.644.92.142.83.640.82.342.62.741.23.150.94.827.83.945.12.232.31.938.82.044.10.7
stratified11.91.20.0.1.90.95.11.22.80.78.42.119.81.86.51.412.12.13.81.97.92.418.71.718.81.610.51.210.80.4
clustered structure1.50.50.0.0.0.0.0.0.0.4.31.45.41.04.21.17.31.63.01.711.12.76.41.19.71.23.90.84.00.3
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852994/319325
NFI1
forest area
avalanches SilvaProtect · stand structure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a2.90.66.01.64.41.43.30.93.00.74.61.52.40.74.71.24.61.36.22.32.61.32.50.71.50.51.20.43.00.2
single-layered21.41.532.83.234.03.141.22.646.52.112.62.315.51.620.52.29.51.816.63.413.72.86.01.012.91.36.41.020.10.5
multi-layered42.01.852.33.449.53.337.92.642.62.115.72.619.01.817.62.114.32.218.73.64.81.911.01.416.81.56.91.025.10.6
stratified10.61.10.0.1.40.83.91.02.80.74.31.59.51.33.31.04.11.21.71.23.31.54.30.97.71.12.00.55.10.3
clustered structure1.70.50.0.0.0.0.0.0.0.1.00.73.80.82.90.93.81.22.61.55.11.92.40.73.90.81.20.42.00.2
total78.51.591.01.989.32.086.31.894.90.938.23.550.32.349.02.736.23.045.84.529.63.826.21.942.71.917.81.555.40.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.1.40.80.0.0.0.1.10.70.90.92.21.30.80.40.50.30.0.0.30.1
single-layered0.50.30.0.0.0.0.0.0.0.3.41.32.90.82.10.76.91.510.02.88.72.35.91.05.70.93.40.73.00.2
multi-layered2.30.60.0.0.0.0.30.30.0.5.01.51.10.51.70.78.61.710.92.97.92.39.31.23.90.83.60.73.30.2
stratified0.30.20.0.0.0.0.0.0.0.0.90.71.20.50.0.1.50.80.80.80.90.95.11.02.20.61.50.51.20.1
clustered structure0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.1.10.70.0.2.91.41.10.51.40.50.90.40.50.1
total3.10.60.0.0.0.0.30.30.0.10.82.25.71.03.81.019.32.422.63.922.73.622.31.813.71.49.31.18.40.4
outside perimetern/a1.40.40.90.60.40.40.60.40.20.23.71.42.10.62.40.81.50.80.0.3.71.62.40.71.60.52.60.61.70.2
single-layered6.10.93.31.23.51.24.41.12.40.720.02.811.11.417.62.014.32.27.72.522.93.413.41.517.11.533.91.813.20.4
multi-layered9.91.14.91.45.91.57.41.42.30.621.12.920.31.823.02.218.52.322.13.714.12.924.21.912.01.327.71.815.30.5
stratified0.90.30.0.0.80.61.10.60.20.22.91.29.31.33.00.97.91.70.90.93.91.78.91.28.61.16.91.04.60.3
clustered structure0.0.0.0.0.0.0.0.0.0.3.21.21.20.51.10.62.30.90.90.93.21.42.70.74.40.81.80.51.50.2
total18.41.49.01.910.72.013.51.85.10.950.93.644.12.347.22.744.53.131.64.347.74.151.52.243.62.072.91.736.20.6
totaln/a4.30.76.81.74.81.43.81.03.20.89.72.14.50.97.11.47.21.67.12.48.52.45.71.03.50.73.80.75.00.3
single-layered28.01.636.03.337.53.245.52.648.92.136.13.329.62.140.32.630.72.834.24.345.33.925.31.935.71.943.71.936.40.6
multi-layered54.21.857.13.455.53.345.62.644.92.141.83.540.52.242.32.641.43.051.64.626.93.844.52.232.61.838.21.943.80.7
stratified11.81.20.0.2.21.05.01.23.00.78.22.020.11.86.31.313.52.13.51.78.12.418.31.718.51.510.41.210.90.4
clustered structure1.70.50.0.0.0.0.0.0.0.4.21.45.41.04.11.17.21.63.51.711.22.66.31.19.71.23.90.74.00.3
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852995/319326
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