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NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track59.01.19.31.012.71.45.21.012.61.30.30.228.00.5
road and skidding road18.30.87.60.96.21.02.00.63.30.74.50.810.20.4
road and cable line2.40.313.51.111.31.35.81.116.01.53.60.77.30.4
road and flight path0.0.3.00.65.20.98.11.29.11.25.00.93.50.2
no access intended6.80.510.31.07.71.13.70.80.60.32.90.76.10.3
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimeterroad and skidding track0.20.10.50.20.70.41.60.62.40.60.20.20.70.1
road and skidding road0.50.20.50.20.50.30.40.30.10.10.20.20.40.1
road and cable line0.20.16.20.87.11.111.61.47.81.13.50.74.40.3
road and flight path0.00.02.50.52.90.78.11.23.40.75.30.92.50.2
no access intended0.10.11.10.30.90.41.40.50.20.20.50.30.50.1
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimeterroad and skidding track4.30.47.10.912.71.46.71.17.61.11.60.56.00.3
road and skidding road5.10.57.20.95.80.92.90.81.90.67.21.05.20.3
road and cable line1.50.322.41.420.21.719.51.727.01.821.91.614.20.5
road and flight path0.20.11.90.43.40.818.51.77.61.135.61.97.60.3
no access intended1.40.37.20.92.60.74.50.90.10.17.71.13.40.2
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
totalroad and skidding track63.51.016.81.226.21.813.41.522.61.72.10.634.60.6
road and skidding road23.90.915.21.212.61.45.31.05.40.911.81.315.90.5
road and cable line4.10.442.11.638.62.037.02.150.92.029.11.825.90.5
road and flight path0.30.17.30.811.51.334.72.120.21.646.02.013.60.4
no access intended8.30.618.61.311.21.39.61.30.90.411.01.310.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862298/328629
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track59.21.19.00.911.61.25.81.011.61.10.50.225.50.5
road and skidding road18.40.87.40.85.80.92.30.63.00.64.40.79.50.4
road and cable line2.30.313.81.111.31.26.31.016.11.33.70.67.70.3
road and flight path0.0.4.10.68.71.112.71.318.01.37.70.96.40.3
no access intended6.80.513.01.010.41.16.41.01.00.310.31.07.90.3
total86.70.747.41.647.91.933.51.849.71.726.41.457.10.6
inside perimeterroad and skidding track0.20.10.40.20.60.31.50.51.90.50.10.10.60.1
road and skidding road0.50.20.40.20.50.30.30.20.10.10.20.20.40.1
road and cable line0.20.15.80.76.00.99.71.26.40.92.70.53.90.2
road and flight path0.00.02.30.52.70.67.11.03.50.64.70.72.50.2
no access intended0.10.11.00.31.20.41.50.50.10.10.50.20.60.1
total1.10.29.80.910.91.220.21.612.11.18.10.98.00.3
outside perimeterroad and skidding track4.20.46.60.811.11.25.80.97.00.91.20.45.50.3
road and skidding road5.00.56.80.85.00.82.50.61.60.46.20.84.80.3
road and cable line1.40.320.71.318.01.516.71.522.71.516.71.213.00.4
road and flight path0.20.11.70.43.70.717.21.56.80.933.31.68.00.3
no access intended1.30.27.00.83.40.74.10.80.10.18.10.93.60.2
total12.20.742.81.541.21.946.32.038.21.765.41.634.90.6
totalroad and skidding track63.51.016.01.223.31.613.11.420.51.41.70.431.60.5
road and skidding road23.90.914.61.111.31.25.20.94.70.710.81.114.70.4
road and cable line4.00.440.31.535.31.832.71.845.21.723.11.424.60.5
road and flight path0.30.18.10.815.21.437.12.028.41.645.61.717.00.4
no access intended8.30.620.91.314.91.312.01.31.20.418.81.312.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862299/328630
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.31.865.63.267.13.167.72.573.71.915.22.618.51.822.72.39.31.97.42.66.22.16.61.110.81.34.10.831.10.5
road and skidding road23.41.622.42.918.62.617.22.017.31.66.81.813.51.611.01.73.41.13.61.81.61.21.20.53.90.80.60.310.90.4
road and cable line0.90.41.50.90.0.0.30.32.00.611.32.312.51.58.51.511.62.012.03.16.62.25.91.115.11.52.90.76.10.3
road and flight path0.70.30.0.0.50.50.0.0.0.2.51.23.90.93.20.94.11.312.03.14.01.84.40.92.50.60.30.22.00.2
no access intended3.90.71.50.93.21.21.10.61.80.63.01.21.90.63.31.06.11.510.32.99.92.66.71.19.41.28.41.14.90.3
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 perimeterroad and skidding track1.80.50.0.0.0.0.0.0.0.2.71.20.60.40.80.52.81.00.0.1.61.22.30.71.40.50.50.31.10.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.90.60.70.40.60.40.0.1.01.02.01.20.40.30.80.40.60.30.50.1
road and cable line0.30.20.0.0.0.0.0.0.0.5.01.53.10.82.00.712.72.113.53.310.22.611.71.49.01.23.50.74.30.3
road and flight path0.10.10.0.0.0.0.0.0.0.1.71.01.00.50.30.30.40.45.72.34.61.95.51.01.60.51.60.51.30.2
no access intended0.70.30.0.0.0.0.0.0.0.0.40.40.40.30.30.33.61.22.71.55.62.13.10.81.10.43.50.71.40.2
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 perimeterroad and skidding track7.71.06.41.77.01.78.71.53.20.812.22.413.91.616.32.08.71.82.91.712.92.99.81.34.70.98.01.18.50.4
road and skidding road7.30.91.30.72.71.13.40.91.60.510.32.212.51.610.71.73.11.14.72.13.61.63.60.84.10.82.50.65.20.3
road and cable line1.70.51.40.80.0.1.10.50.20.223.23.113.71.615.82.022.72.615.23.422.23.517.11.726.71.818.11.512.20.4
road and flight path0.0.0.0.0.0.0.0.0.0.2.01.03.20.81.70.73.61.27.32.51.91.110.71.43.10.75.30.92.80.2
no access intended1.80.50.0.0.90.60.60.40.20.23.01.10.40.32.90.97.81.71.81.36.92.310.91.45.70.940.12.07.60.3
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
totalroad and skidding track58.81.872.03.174.12.976.42.376.81.830.13.333.02.239.82.620.82.610.33.020.83.518.71.716.91.512.51.340.70.6
road and skidding road31.01.723.72.921.32.820.52.118.91.718.02.826.72.122.42.36.51.59.22.87.32.35.21.08.81.13.70.816.60.5
road and cable line2.90.62.81.20.0.1.40.62.20.639.53.529.42.126.32.447.03.240.74.738.94.234.72.150.92.024.51.722.70.5
road and flight path0.90.30.0.0.50.50.0.0.0.6.11.88.21.25.11.28.11.724.94.210.62.720.71.87.21.17.21.06.20.3
no access intended6.40.91.50.94.11.31.70.72.00.66.41.62.70.76.51.317.62.414.83.322.53.620.71.816.21.552.02.013.90.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862300/328631
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.71.865.63.268.23.068.12.473.81.914.22.418.91.823.72.211.81.97.52.37.32.16.71.09.91.14.20.729.80.5
road and skidding road23.41.522.62.918.02.517.12.017.21.67.61.812.81.510.71.63.21.03.61.62.01.21.90.64.30.80.60.310.40.4
road and cable line0.90.31.50.80.0.0.30.32.00.611.62.213.01.58.41.411.41.89.62.67.72.26.31.015.11.32.80.66.30.3
road and flight path0.70.30.0.0.50.50.0.0.0.2.71.24.50.93.81.06.71.412.72.93.51.66.81.03.70.71.00.42.80.2
no access intended4.10.71.50.93.01.11.10.61.90.64.81.52.10.63.00.97.91.615.43.111.72.69.01.211.61.213.21.26.60.3
total78.81.491.11.989.62.086.61.894.90.940.93.451.32.249.62.640.92.849.04.332.23.830.71.944.71.821.81.555.90.6
inside perimeterroad and skidding track1.70.50.0.0.0.0.0.0.0.2.51.10.60.30.70.42.30.90.0.1.41.02.00.61.50.40.50.21.00.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.80.60.60.40.60.40.30.30.80.81.81.00.30.20.70.30.60.30.40.1
road and cable line0.20.20.0.0.0.0.0.0.0.4.91.43.00.81.80.711.11.811.62.78.92.310.31.28.11.02.80.64.00.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.50.91.00.40.20.20.30.34.61.94.01.65.10.91.50.41.40.41.30.1
no access intended0.60.30.0.0.0.0.0.0.0.0.40.40.40.30.20.23.41.13.01.55.41.92.90.71.60.53.70.71.50.2
total3.00.60.0.0.0.0.0.0.0.10.12.05.61.03.61.017.42.220.03.521.53.320.71.613.31.29.01.08.20.3
outside perimeterroad and skidding track7.81.06.31.66.61.68.51.53.10.711.12.113.51.516.01.99.01.73.91.711.32.59.11.24.40.87.10.98.10.4
road and skidding road6.90.91.30.72.91.13.30.91.60.510.42.212.21.511.21.72.60.95.32.03.81.63.10.74.20.82.40.65.00.3
road and cable line1.60.41.30.80.0.1.10.50.20.222.52.913.51.515.31.920.12.313.12.919.93.115.81.523.61.615.91.311.70.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.80.93.20.81.60.63.41.17.42.21.71.09.61.23.00.64.80.82.80.2
no access intended1.70.50.0.0.80.60.60.40.20.23.11.10.60.42.70.96.61.51.41.09.72.411.01.36.70.938.91.88.20.3
total18.11.38.91.910.42.013.41.85.10.949.03.543.12.246.82.641.62.931.14.046.43.948.62.142.01.869.21.635.90.6
totalroad and skidding track59.31.871.93.174.82.876.62.276.91.827.73.133.02.140.52.523.12.511.42.820.03.217.91.615.81.411.81.238.90.6
road and skidding road30.61.723.82.920.92.620.42.118.81.718.92.725.72.022.52.26.11.49.72.67.62.25.40.99.31.13.60.715.90.5
road and cable line2.80.62.81.10.0.1.40.62.20.639.13.329.42.025.52.242.52.934.44.136.43.932.41.946.81.821.51.522.00.5
road and flight path0.80.30.0.0.50.50.0.0.0.6.01.78.71.25.61.210.41.824.63.79.22.421.51.78.21.07.20.96.80.3
no access intended6.50.91.50.93.91.31.70.72.10.68.31.83.10.86.01.217.82.219.83.426.83.622.91.819.91.555.81.816.30.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862301/328632
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track59.01.08.70.911.21.15.60.910.71.00.40.224.20.4
road and skidding road18.30.87.10.85.50.83.00.73.00.64.30.79.20.3
road and cable line2.30.314.01.011.31.15.90.915.81.23.30.67.70.3
road and flight path0.10.14.70.69.41.015.91.420.61.38.10.97.60.3
no access intended7.00.515.11.112.31.28.41.11.00.314.41.19.40.4
total86.70.749.71.549.81.838.61.851.11.630.51.458.10.5
inside perimeterroad and skidding track0.20.10.40.20.60.31.30.41.90.50.10.10.60.1
road and skidding road0.50.10.40.20.40.20.40.20.10.10.20.10.40.1
road and cable line0.20.15.50.75.50.88.61.05.80.82.40.53.70.2
road and flight path0.00.02.20.42.60.66.81.03.80.64.10.62.50.2
no access intended0.20.11.00.31.30.41.30.40.10.10.50.20.60.1
total1.10.29.50.910.41.118.51.411.61.17.30.87.80.3
outside perimeterroad and skidding track4.20.46.20.79.91.05.30.86.80.81.00.35.20.3
road and skidding road5.00.56.40.74.60.72.20.61.40.45.50.74.50.3
road and cable line1.40.319.51.217.01.315.11.321.31.415.11.112.40.4
road and flight path0.20.11.80.44.60.816.31.47.50.930.51.58.10.3
no access intended1.40.36.90.83.60.73.90.70.30.210.11.04.00.2
total12.10.740.91.539.71.742.91.937.31.662.21.534.20.5
totalroad and skidding track63.31.015.31.121.71.412.21.219.31.31.50.430.00.5
road and skidding road23.70.913.91.010.51.15.60.94.60.710.01.014.00.4
road and cable line3.90.439.01.533.81.729.71.742.91.620.81.323.80.5
road and flight path0.40.18.80.816.71.338.91.931.91.542.71.618.20.4
no access intended8.60.623.01.317.31.313.61.31.40.425.01.314.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862302/328633
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.91.865.63.268.03.167.82.573.81.914.62.518.71.824.22.311.91.97.72.46.82.06.61.09.81.14.00.729.90.5
road and skidding road23.51.522.62.918.32.517.12.017.31.67.31.813.01.510.31.63.31.02.91.51.51.11.90.64.40.80.70.310.50.4
road and cable line0.90.31.50.80.0.0.30.32.00.611.92.213.11.58.51.511.81.99.92.67.92.26.41.015.31.32.70.66.40.3
road and flight path0.70.30.0.0.50.50.0.0.0.2.81.24.50.93.81.05.91.413.02.93.61.66.31.03.70.71.00.42.70.2
no access intended3.90.71.50.93.11.11.10.61.80.64.01.42.20.63.10.97.41.614.23.112.02.68.91.211.31.212.91.26.40.3
total78.81.491.11.989.82.086.31.894.90.940.53.551.52.249.92.640.32.947.74.431.83.830.11.944.51.821.31.555.80.6
inside perimeterroad and skidding track1.80.50.0.0.0.0.0.0.0.2.51.10.60.40.80.42.40.90.0.1.41.02.00.61.50.40.50.31.00.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.80.60.70.40.60.40.0.0.80.81.81.00.30.20.70.30.60.30.40.1
road and cable line0.30.20.0.0.0.0.0.0.0.5.11.43.00.81.80.711.41.911.92.89.12.410.41.27.91.02.90.64.00.3
road and flight path0.10.10.0.0.0.0.0.0.0.1.50.91.00.40.30.30.40.44.71.94.11.75.20.91.50.41.30.41.30.1
no access intended0.70.30.0.0.0.0.0.0.0.0.40.40.40.30.30.33.51.13.01.55.62.02.90.71.70.53.60.71.50.2
total3.10.60.0.0.0.0.0.0.0.10.32.15.61.03.71.017.72.320.53.622.03.420.81.613.31.39.01.08.30.3
outside perimeterroad and skidding track7.70.96.31.66.81.68.61.53.10.711.42.213.51.616.11.98.31.64.01.811.62.69.21.24.50.87.20.98.10.4
road and skidding road7.00.91.30.72.61.03.30.91.60.510.02.112.21.510.61.62.71.05.42.03.21.53.10.74.10.72.30.64.90.3
road and cable line1.60.41.30.80.0.1.10.50.20.222.73.013.31.515.41.920.72.413.42.920.43.216.01.524.11.616.21.311.80.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.80.93.30.81.60.63.51.17.52.31.71.09.71.23.10.74.80.82.80.2
no access intended1.80.50.0.0.90.60.60.40.20.23.21.10.60.42.80.96.81.51.51.09.32.411.11.36.50.939.31.88.30.3
total18.11.48.91.910.22.013.71.85.10.949.13.542.82.246.42.642.02.931.84.146.24.049.02.142.21.869.71.635.90.6
totalroad and skidding track59.31.871.93.174.82.876.52.376.91.828.43.132.82.141.02.622.62.511.72.919.83.217.81.615.81.411.71.239.00.6
road and skidding road30.81.723.82.920.82.720.52.118.91.718.22.725.82.021.52.26.01.49.22.66.52.15.40.99.21.13.60.715.80.5
road and cable line2.80.62.81.10.0.1.40.62.20.639.73.429.42.125.72.343.92.935.24.237.43.932.71.947.31.921.81.522.20.5
road and flight path0.80.30.0.0.50.50.0.0.0.6.11.78.81.25.71.29.81.825.23.89.52.421.21.78.21.07.10.96.80.3
no access intended6.30.91.50.93.91.31.70.72.00.67.61.83.20.86.11.317.72.318.73.426.83.622.91.819.51.555.81.816.10.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862303/328634
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track48.91.765.93.168.72.967.52.374.61.813.32.217.81.623.42.110.71.78.32.37.62.07.01.09.71.03.90.729.50.5
road and skidding road24.01.521.72.717.62.417.41.916.41.57.51.712.41.410.51.53.10.94.01.61.81.11.80.54.80.70.70.310.40.4
road and cable line1.00.31.80.90.0.0.30.32.00.611.72.112.71.48.51.411.21.710.02.510.22.36.41.014.91.32.60.56.30.3
road and flight path0.60.30.0.0.40.40.0.0.0.2.31.04.70.93.50.96.21.312.62.73.61.56.91.03.70.71.20.42.80.2
no access intended4.70.71.30.83.11.11.00.51.80.54.61.32.40.62.70.87.91.513.72.812.12.59.91.211.71.113.11.16.70.3
total79.31.490.71.989.81.986.21.794.80.939.43.150.02.148.62.439.12.748.64.135.43.632.11.844.91.721.41.455.80.5
inside perimeterroad and skidding track1.60.40.0.0.0.0.0.0.0.2.21.00.50.30.60.42.60.90.0.1.71.02.10.61.40.40.40.21.00.1
road and skidding road0.20.20.0.0.0.0.0.0.0.0.70.50.70.40.50.40.30.30.70.71.50.90.30.20.60.30.60.30.40.1
road and cable line0.40.20.0.0.0.0.30.30.0.5.41.43.20.81.80.611.51.711.32.67.82.010.11.28.51.02.80.64.10.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.60.80.90.40.20.20.30.35.61.93.51.55.00.91.40.41.40.41.20.1
no access intended0.70.30.0.0.0.0.0.0.0.0.30.30.50.30.40.33.61.03.31.55.81.83.20.71.60.44.10.71.60.2
total3.00.60.0.0.0.0.30.30.0.10.31.95.91.03.60.918.32.120.93.420.43.120.81.613.61.29.21.08.40.3
outside perimeterroad and skidding track7.60.96.91.66.41.58.31.33.30.710.72.013.31.417.71.89.31.64.21.710.72.39.21.15.00.87.00.98.20.3
road and skidding road6.60.81.20.73.11.13.60.91.40.511.32.012.51.410.51.52.90.94.91.83.51.42.90.74.20.72.50.55.00.3
road and cable line1.80.41.20.70.0.1.20.50.20.223.12.714.01.515.11.720.52.212.82.719.53.015.11.422.81.515.71.211.60.4
road and flight path0.0.0.0.0.0.0.0.0.0.2.00.93.50.81.40.62.90.97.42.21.50.89.51.13.00.65.00.72.80.2
no access intended1.70.40.0.0.80.50.50.40.30.23.21.00.70.43.20.96.91.41.30.99.12.210.41.26.60.939.21.78.30.3
total17.71.39.31.910.21.913.61.75.20.950.33.244.02.147.82.442.62.730.53.844.33.747.11.941.51.769.31.535.80.5
totalroad and skidding track58.01.772.82.975.12.775.82.177.91.726.22.831.62.041.72.422.62.312.42.820.03.018.41.516.21.311.31.138.80.5
road and skidding road30.91.622.82.720.62.521.02.017.81.519.62.525.71.921.52.06.31.39.62.56.81.95.10.99.61.03.70.715.80.4
road and cable line3.20.63.01.10.0.1.70.62.10.640.23.130.02.025.42.143.32.734.03.937.53.731.61.846.21.721.11.422.00.5
road and flight path0.70.30.0.0.40.40.0.0.0.5.91.59.11.25.11.19.41.625.63.68.62.221.41.68.11.07.50.96.80.3
no access intended7.20.91.30.83.91.21.50.62.10.68.21.73.70.86.31.218.42.118.43.127.13.323.51.719.91.456.41.716.60.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862304/328635
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track48.91.765.93.168.72.967.52.374.61.813.02.117.61.623.22.110.11.67.02.06.61.76.70.98.60.93.70.628.10.5
road and skidding road24.01.521.72.717.62.417.41.916.41.57.31.612.31.410.41.53.20.93.41.41.60.91.90.54.30.70.60.310.00.4
road and cable line1.00.31.80.90.0.0.30.32.00.611.52.012.61.48.41.310.91.79.12.210.42.26.30.914.01.12.70.56.30.3
road and flight path0.60.30.0.0.40.40.0.0.0.3.11.25.00.93.50.97.21.413.02.54.61.57.71.05.20.71.20.43.30.2
no access intended4.70.71.30.83.11.11.00.51.80.55.31.43.10.73.40.911.01.720.23.020.72.812.61.317.91.218.01.29.40.3
total79.31.490.71.989.81.986.21.794.80.940.33.150.52.148.82.442.52.652.83.743.83.435.31.750.01.626.21.457.10.5
inside perimeterroad and skidding track1.60.40.0.0.0.0.0.0.0.2.10.90.50.30.60.42.50.80.0.1.50.92.00.51.30.40.40.20.90.1
road and skidding road0.20.20.0.0.0.0.0.0.0.0.70.50.70.40.50.40.30.30.60.61.30.70.30.20.60.20.50.20.40.1
road and cable line0.40.20.0.0.0.0.30.30.0.5.31.43.20.71.80.610.91.79.62.26.71.89.81.17.60.92.50.53.90.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.60.80.90.40.20.20.30.35.31.73.11.34.90.81.30.41.20.41.20.1
no access intended0.70.30.0.0.0.0.0.0.0.0.30.30.50.30.40.33.41.03.41.45.01.63.20.71.70.43.90.61.70.2
total3.00.60.0.0.0.0.30.30.0.10.11.95.91.03.60.917.32.018.93.017.62.720.21.512.41.18.50.98.10.3
outside perimeterroad and skidding track7.60.96.91.66.41.58.31.33.30.710.51.913.21.417.51.88.81.53.51.49.72.18.71.14.50.76.30.87.90.3
road and skidding road6.60.81.20.73.11.13.60.91.40.511.12.012.41.410.41.52.70.94.11.53.01.22.80.63.70.62.30.54.80.3
road and cable line1.80.41.20.70.0.1.20.50.20.222.62.713.91.515.21.719.42.110.92.316.82.614.31.320.21.314.01.111.00.4
road and flight path0.0.0.0.0.0.0.0.0.0.2.00.93.40.81.30.52.80.97.42.01.30.79.01.12.70.54.60.72.70.2
no access intended1.70.40.0.0.80.50.50.40.30.23.51.10.70.43.20.86.61.32.31.17.91.99.81.16.40.838.01.68.40.3
total17.71.39.31.910.21.913.61.75.20.949.63.243.62.147.62.440.32.628.33.438.63.444.61.937.61.665.31.534.80.5
totalroad and skidding track58.01.772.82.975.12.775.82.177.91.725.62.731.32.041.32.421.32.210.62.417.82.717.41.414.41.210.41.037.00.5
road and skidding road30.91.622.82.720.62.521.02.017.81.519.22.525.41.921.32.06.31.38.22.15.81.74.90.88.50.93.40.615.10.4
road and cable line3.20.63.01.10.0.1.70.62.10.639.43.129.61.925.42.141.22.629.63.434.03.330.41.741.91.619.21.221.30.5
road and flight path0.70.30.0.0.40.40.0.0.0.6.71.69.31.25.11.010.31.625.83.38.92.021.61.69.21.07.00.87.20.3
no access intended7.20.91.30.83.91.21.50.62.10.69.21.84.30.97.01.220.92.225.93.233.63.325.71.726.01.459.91.619.50.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862305/328636
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.91.865.63.268.03.167.92.573.81.914.12.418.61.823.92.211.21.86.62.15.91.86.31.08.71.03.80.728.40.5
road and skidding road23.51.522.62.918.32.517.12.017.31.67.11.712.91.510.21.63.41.02.51.31.30.92.00.63.90.70.60.310.00.4
road and cable line0.90.31.50.80.0.0.30.32.00.611.62.213.01.58.41.411.11.89.12.38.72.26.31.014.51.22.70.56.30.3
road and flight path0.70.30.0.0.50.50.0.0.0.3.81.44.90.93.81.07.21.513.22.74.81.77.31.14.70.71.10.43.20.2
no access intended3.90.71.50.93.11.11.10.61.80.65.21.52.50.73.91.010.61.819.63.220.43.011.61.317.91.318.31.39.20.4
total78.81.491.11.989.82.086.41.894.90.941.83.451.92.250.22.643.62.851.14.041.03.733.51.849.71.726.41.457.10.5
inside perimeterroad and skidding track1.80.50.0.0.0.0.0.0.0.2.41.10.60.40.80.42.30.80.0.1.20.91.90.51.30.40.50.21.00.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.80.60.70.40.60.40.0.0.70.71.60.90.30.20.60.30.60.30.40.1
road and cable line0.30.20.0.0.0.0.0.0.0.4.91.43.00.81.80.710.81.810.22.47.82.010.01.27.00.92.50.53.90.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.50.91.00.40.20.20.30.34.71.83.61.55.00.91.30.41.20.41.20.1
no access intended0.70.30.0.0.0.0.0.0.0.0.40.40.40.30.20.23.31.03.31.44.81.72.90.71.80.53.40.61.50.2
total3.10.60.0.0.0.0.0.0.0.10.12.05.61.03.71.016.72.118.93.219.03.020.21.612.11.18.10.98.00.3
outside perimeterroad and skidding track7.70.96.31.66.81.68.61.53.10.711.02.113.41.515.91.97.81.53.41.510.02.38.71.14.10.76.50.87.80.3
road and skidding road7.00.91.30.72.61.03.30.91.60.59.82.112.11.510.41.62.60.94.61.72.81.33.00.73.70.72.30.54.70.3
road and cable line1.60.41.30.80.0.1.10.50.20.222.12.913.21.515.51.919.62.311.52.517.62.815.11.421.41.414.31.211.20.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.80.93.30.81.60.63.31.07.82.21.50.99.11.22.70.64.40.72.70.2
no access intended1.80.50.0.0.90.60.60.40.20.23.61.20.60.42.70.96.41.42.61.38.02.110.41.26.40.837.91.78.40.3
total18.11.48.91.910.22.013.61.85.10.948.23.542.52.246.12.639.72.830.03.739.93.746.32.038.21.765.41.634.90.6
totalroad and skidding track59.31.871.93.174.82.876.52.276.91.827.63.132.52.140.62.521.32.410.12.517.12.816.91.514.11.210.71.137.20.5
road and skidding road30.81.723.82.920.82.720.42.118.91.717.72.625.62.021.22.16.01.37.92.25.61.85.30.98.21.03.40.615.10.4
road and cable line2.80.62.81.10.0.1.40.62.20.638.63.329.22.025.72.341.52.830.93.734.23.631.41.942.81.719.51.321.40.5
road and flight path0.80.30.0.0.50.50.0.0.0.7.01.89.11.25.61.210.81.825.73.69.92.321.51.78.81.06.70.97.10.3
no access intended6.30.91.50.93.91.31.70.72.00.69.11.93.50.86.81.320.32.325.53.433.23.525.01.826.11.559.61.719.10.5
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, Swiss National Forest Inventory, 10.07.2020 #862306/328637
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.71.865.63.268.23.068.12.473.81.913.92.418.71.723.52.211.21.86.42.06.31.86.41.08.81.03.80.728.40.5
road and skidding road23.41.522.62.918.02.517.12.017.21.67.41.812.71.510.61.63.31.03.11.41.71.02.00.63.80.70.60.310.00.4
road and cable line0.90.31.50.80.0.0.30.32.00.611.42.112.91.58.31.410.81.88.92.38.52.16.31.014.31.22.70.66.30.3
road and flight path0.70.30.0.0.50.50.0.0.0.3.71.44.80.93.71.07.61.512.82.74.71.67.61.14.70.71.10.43.20.2
no access intended4.10.71.50.93.01.11.10.61.90.65.51.52.50.73.81.010.91.721.13.219.92.911.71.318.21.318.51.39.40.4
total78.81.491.11.989.62.086.61.894.90.941.93.451.72.249.82.643.92.852.44.041.23.633.91.849.91.726.81.457.20.5
inside perimeterroad and skidding track1.70.50.0.0.0.0.0.0.0.2.41.10.60.30.70.42.20.80.0.1.20.91.90.51.30.40.40.21.00.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.80.60.60.40.60.40.30.30.70.71.50.90.30.20.60.30.60.20.40.1
road and cable line0.20.20.0.0.0.0.0.0.0.4.81.42.90.81.80.710.51.710.02.47.72.09.91.27.20.92.50.53.80.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.50.91.00.40.20.20.30.34.61.73.51.45.00.91.30.41.20.41.20.1
no access intended0.60.30.0.0.0.0.0.0.0.0.40.40.40.30.20.23.21.03.21.44.71.72.90.71.80.53.50.61.50.2
total3.00.60.0.0.0.0.0.0.0.9.92.05.51.03.60.916.62.118.43.118.62.920.11.612.21.18.20.98.00.3
outside perimeterroad and skidding track7.81.06.31.66.61.68.51.53.10.710.82.113.41.515.91.88.51.63.31.59.82.28.61.14.00.76.50.87.80.3
road and skidding road6.90.91.30.72.91.13.30.91.60.510.22.112.11.511.11.62.50.94.51.73.31.32.90.73.80.72.20.54.80.3
road and cable line1.60.41.30.80.0.1.10.50.20.222.02.913.41.515.51.919.12.211.22.417.32.815.01.421.01.414.21.211.20.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.70.93.20.81.50.63.21.07.62.11.50.89.11.22.70.64.40.72.70.2
no access intended1.70.50.0.0.80.60.60.40.20.23.51.10.60.32.70.86.21.42.61.38.42.110.41.26.50.837.71.68.40.3
total18.11.38.91.910.42.013.41.85.10.948.33.442.82.246.62.639.52.829.23.640.23.646.02.037.91.764.91.634.80.5
totalroad and skidding track59.31.871.93.174.82.876.62.276.91.827.13.032.82.140.12.522.02.49.82.417.32.816.91.514.11.210.81.137.10.5
road and skidding road30.61.723.82.920.92.620.42.118.81.718.42.725.52.022.22.26.11.38.32.26.61.95.20.98.21.03.40.615.20.4
road and cable line2.80.62.81.10.0.1.40.62.20.638.23.329.22.025.52.240.42.830.03.633.43.531.21.942.51.719.41.321.30.5
road and flight path0.80.30.0.0.50.50.0.0.0.6.91.89.01.25.51.211.21.825.03.59.62.321.71.78.71.06.70.97.10.3
no access intended6.50.91.50.93.91.31.70.72.10.69.41.93.50.86.71.320.42.326.93.433.13.525.01.826.51.559.71.619.30.5
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, Swiss National Forest Inventory, 10.07.2020 #862307/328638
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.51.865.83.267.33.067.82.473.81.913.62.318.41.722.92.210.51.75.71.85.71.66.41.08.51.03.60.627.40.5
road and skidding road23.31.522.52.817.72.517.02.017.21.67.31.712.31.510.31.63.10.92.81.21.60.91.90.53.70.60.60.39.60.4
road and cable line0.90.31.40.80.50.50.30.32.00.611.22.112.81.58.31.410.41.77.92.08.62.06.00.914.11.22.50.56.20.3
road and flight path0.70.30.0.0.50.50.30.30.0.3.61.34.90.93.61.07.91.512.62.54.71.67.71.14.80.71.00.33.30.2
no access intended4.50.71.50.93.81.21.10.51.90.66.71.63.60.84.31.013.91.923.53.118.42.713.31.318.61.321.41.310.60.4
total78.81.491.11.989.71.986.41.894.90.942.53.451.92.249.42.545.82.752.53.739.13.435.21.849.71.729.11.457.10.5
inside perimeterroad and skidding track1.70.50.0.0.0.0.0.0.0.2.41.10.60.30.70.42.00.80.0.1.10.81.80.51.40.40.40.20.90.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.80.60.60.40.60.40.30.30.60.61.40.80.30.20.60.30.50.20.40.1
road and cable line0.20.20.0.0.0.0.0.0.0.4.81.32.80.72.00.710.01.610.02.26.91.89.41.17.00.92.30.53.80.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.40.81.10.50.20.20.30.34.61.63.81.44.90.81.40.41.10.31.30.1
no access intended0.60.30.0.0.0.0.0.0.0.0.40.40.40.30.20.23.61.02.81.24.31.53.20.72.00.53.20.61.60.2
total3.00.60.0.0.0.0.0.0.0.9.72.05.51.03.71.016.22.018.02.917.52.719.71.512.31.17.50.87.90.3
outside perimeterroad and skidding track7.80.96.31.66.61.68.71.53.10.710.62.113.41.516.31.97.91.53.01.38.82.08.41.13.90.76.10.87.60.3
road and skidding road7.00.91.30.72.91.13.30.91.60.510.02.111.71.411.11.62.60.94.01.53.01.22.80.73.60.62.00.54.70.3
road and cable line1.60.41.30.80.0.1.10.50.20.221.72.813.31.515.31.818.02.111.12.318.42.814.21.420.61.413.21.111.00.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.70.93.50.81.50.63.00.97.31.91.30.89.31.12.60.54.00.62.70.2
no access intended1.70.50.0.0.80.60.60.40.20.23.81.20.60.32.60.86.41.34.11.511.92.410.51.27.30.937.91.69.00.3
total18.11.38.91.910.31.913.61.85.10.947.83.442.62.246.82.638.02.629.53.443.43.545.11.938.01.663.31.535.00.5
totalroad and skidding track59.01.872.03.073.82.876.52.276.91.826.73.032.32.139.92.520.42.28.72.215.72.616.51.413.71.210.21.036.00.5
road and skidding road30.61.623.72.920.62.620.22.118.81.718.12.624.71.921.92.16.01.37.42.05.91.75.00.97.90.93.20.614.70.4
road and cable line2.80.62.81.10.50.51.30.62.20.637.63.229.02.025.62.238.42.629.03.433.93.429.61.841.71.718.01.220.90.5
road and flight path0.80.30.0.0.50.50.30.30.0.6.81.89.51.25.41.111.21.724.53.29.92.221.81.68.81.06.20.87.30.3
no access intended6.90.91.50.94.61.41.70.72.10.610.82.04.50.97.11.323.92.330.43.434.63.427.01.827.91.562.51.521.20.5
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, Swiss National Forest Inventory, 10.07.2020 #862308/328639
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track43.91.854.23.470.43.064.22.573.11.916.02.68.91.320.42.24.61.33.61.81.71.25.21.012.61.30.30.228.00.5
road and skidding road24.41.627.43.111.52.112.01.713.81.53.31.212.01.59.11.62.51.03.71.81.30.92.00.63.30.74.50.810.30.4
road and cable line2.50.62.01.00.80.61.70.73.50.810.12.113.31.68.31.515.82.313.93.316.73.25.81.116.01.53.60.77.30.4
road and flight path0.0.0.0.0.0.0.0.0.0.2.61.32.20.74.11.15.01.46.52.46.42.18.11.29.11.25.00.93.50.2
no access intended7.51.07.31.76.71.78.41.54.50.96.81.813.91.66.81.46.51.617.53.62.41.43.70.80.60.32.90.76.10.3
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 perimeterroad and skidding track0.60.30.0.0.0.0.0.0.0.1.00.70.20.20.60.40.30.30.0.1.51.01.60.62.40.60.20.20.70.1
road and skidding road1.40.40.0.0.0.0.0.0.0.0.70.70.0.0.50.41.10.60.0.0.70.70.40.30.10.10.20.20.40.1
road and cable line0.70.30.0.0.0.0.0.0.0.5.71.63.30.82.00.712.02.116.33.512.62.911.61.47.81.13.50.74.40.3
road and flight path0.10.10.0.0.0.0.0.0.0.0.80.61.60.60.80.55.31.44.62.06.62.28.11.23.40.75.30.92.50.2
no access intended0.40.20.0.0.0.0.0.0.0.2.41.10.70.40.0.0.80.62.01.42.61.51.40.50.20.20.50.30.60.1
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 perimeterroad and skidding track4.40.75.11.55.81.64.61.13.10.710.82.27.31.216.72.03.61.23.91.910.42.66.71.17.61.11.60.56.00.3
road and skidding road9.51.12.21.03.11.24.21.01.40.55.31.710.41.48.01.53.11.11.91.33.41.52.90.81.90.67.21.05.20.3
road and cable line2.60.60.90.60.40.41.40.60.50.324.73.118.41.817.12.027.12.820.73.925.63.719.51.727.01.821.91.614.10.5
road and flight path0.30.20.0.0.0.0.60.40.20.22.41.11.00.52.90.93.11.12.81.65.52.118.51.77.61.135.61.97.60.3
no access intended1.70.50.90.61.30.73.00.90.0.7.41.96.61.22.60.99.01.82.71.52.61.34.50.90.10.17.71.13.50.3
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
totalroad and skidding track48.81.859.33.476.22.868.72.476.21.827.93.216.41.737.72.68.61.87.52.513.63.013.41.522.61.72.10.634.70.6
road and skidding road35.31.829.73.114.62.416.21.915.11.59.22.122.41.917.62.16.71.55.62.35.51.95.31.05.40.911.81.315.90.5
road and cable line5.80.92.91.21.20.73.10.94.00.840.53.535.02.227.42.455.03.150.94.854.94.337.02.150.92.029.11.825.80.5
road and flight path0.40.20.0.0.0.0.60.40.20.25.91.74.91.07.81.413.42.113.93.418.53.434.72.120.21.646.02.013.60.4
no access intended9.61.18.21.88.01.811.51.74.50.916.52.721.21.99.41.616.32.322.24.07.62.49.61.30.90.411.01.310.10.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862309/328640
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track48.71.766.03.167.72.967.22.374.61.812.72.117.21.622.82.09.41.56.31.85.91.66.60.98.30.93.40.627.20.4
road and skidding road23.91.521.62.717.62.417.31.916.41.57.21.612.11.410.11.53.00.93.11.21.40.81.80.54.10.60.70.39.60.3
road and cable line1.00.31.80.90.40.40.30.32.00.611.62.012.51.48.41.310.51.68.12.010.22.16.00.913.81.12.50.56.20.3
road and flight path0.60.30.0.0.40.40.30.30.0.3.11.15.20.93.40.97.61.312.72.44.51.47.81.05.20.71.10.33.40.2
no access intended5.10.81.30.83.81.21.00.51.80.56.71.54.00.83.80.914.01.822.82.919.12.614.21.318.41.220.91.210.60.4
total79.31.390.71.890.01.886.01.794.80.941.33.150.92.148.52.444.52.553.03.541.23.236.41.749.81.628.61.357.00.5
inside perimeterroad and skidding track1.50.40.0.0.0.0.0.0.0.2.10.90.50.30.60.42.30.80.0.1.30.81.90.51.30.40.40.20.90.1
road and skidding road0.20.20.0.0.0.0.0.0.0.0.70.50.70.40.50.30.30.30.50.51.20.70.30.20.50.20.50.20.40.1
road and cable line0.30.20.0.0.0.0.30.30.0.5.21.43.10.72.20.710.31.69.62.16.11.69.31.17.40.82.30.53.80.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.60.81.00.40.20.20.30.35.31.63.91.44.80.81.40.41.10.31.30.1
no access intended0.70.30.0.0.0.0.0.0.0.0.30.30.50.30.40.33.61.03.11.25.11.53.40.71.90.43.50.61.70.2
total2.90.60.0.0.0.0.30.30.0.9.91.95.81.03.90.916.71.918.52.817.62.619.71.412.51.17.70.88.10.3
outside perimeterroad and skidding track7.50.96.91.66.31.58.51.43.30.710.21.913.11.417.81.88.11.43.21.38.81.98.41.04.40.76.00.77.70.3
road and skidding road6.70.81.20.73.01.13.50.91.40.510.92.012.11.410.31.52.80.83.71.42.71.12.60.63.60.62.10.44.60.2
road and cable line1.80.41.20.70.0.1.20.50.20.222.12.613.71.415.01.718.21.910.72.217.62.513.51.319.91.313.11.010.80.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.90.93.70.81.30.52.60.87.21.81.10.79.21.12.70.54.20.62.70.2
no access intended1.70.40.0.0.70.50.50.40.30.23.81.10.70.33.10.87.11.33.71.410.92.110.01.17.20.838.31.59.00.3
total17.71.39.31.810.01.813.71.75.20.948.83.143.32.147.62.438.82.528.53.241.23.343.91.837.71.663.61.434.90.5
totalroad and skidding track57.81.772.92.973.92.775.72.177.91.725.02.730.81.941.22.319.72.09.52.116.12.417.01.414.01.19.80.935.80.5
road and skidding road30.81.622.72.720.72.520.82.017.81.518.72.524.91.820.92.06.01.27.31.95.31.54.70.88.20.93.20.514.60.4
road and cable line3.20.63.01.10.40.41.70.62.10.638.93.129.31.925.62.139.02.528.53.233.93.228.81.741.01.617.91.220.90.4
road and flight path0.70.30.0.0.40.40.30.30.0.6.51.69.81.24.91.010.51.525.13.19.62.021.81.59.30.96.40.87.30.3
no access intended7.50.91.30.84.61.31.50.62.10.610.81.95.20.97.31.224.72.229.63.235.23.227.71.727.51.462.71.521.40.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862310/328641
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track49.61.865.83.267.13.167.72.573.81.913.82.418.21.723.32.210.61.75.91.85.31.66.31.08.41.03.50.627.40.5
road and skidding road23.41.522.52.818.02.516.92.017.31.66.91.712.41.59.91.63.21.02.21.11.10.81.90.53.80.70.60.39.60.4
road and cable line0.90.31.40.80.50.50.30.32.00.611.32.113.01.58.51.410.81.78.12.18.72.16.11.014.21.22.40.56.20.3
road and flight path0.70.30.0.0.50.50.30.30.0.3.71.44.90.93.71.07.61.512.92.54.81.67.41.04.80.71.00.33.30.2
no access intended4.30.71.50.93.91.31.10.61.80.66.81.73.40.84.31.113.21.922.23.118.72.713.21.318.31.321.21.310.40.4
total78.81.491.11.989.91.986.31.894.90.942.33.451.92.249.82.645.42.751.33.838.73.434.81.849.41.728.81.457.00.5
inside perimeterroad and skidding track1.80.50.0.0.0.0.0.0.0.2.41.10.60.30.70.42.10.80.0.1.10.81.80.51.40.40.40.21.00.1
road and skidding road0.30.20.0.0.0.0.0.0.0.0.80.60.60.40.60.40.0.0.60.61.40.80.30.20.60.30.50.20.40.1
road and cable line0.30.20.0.0.0.0.0.0.0.4.81.42.90.72.00.710.41.710.22.37.01.89.51.16.70.92.30.53.80.2
road and flight path0.10.10.0.0.0.0.0.0.0.1.50.91.00.40.20.20.30.34.71.63.91.55.00.91.40.41.20.31.30.1
no access intended0.60.30.0.0.0.0.0.0.0.0.40.40.40.30.20.23.71.12.91.34.31.53.30.72.00.53.10.61.60.2
total3.10.60.0.0.0.0.0.0.0.9.82.05.41.03.81.016.62.118.53.017.72.819.91.512.11.17.50.88.00.3
outside perimeterroad and skidding track7.60.96.31.66.71.68.81.53.10.710.72.113.61.516.41.97.41.43.01.49.02.08.31.14.00.76.10.87.60.3
road and skidding road7.10.91.30.72.51.03.30.91.60.510.12.111.71.410.21.62.40.84.11.52.51.12.80.73.60.62.10.54.60.3
road and cable line1.60.41.30.80.0.1.10.50.20.221.52.813.31.515.61.918.42.111.42.418.62.814.41.420.91.413.41.111.10.4
road and flight path0.0.0.0.0.0.0.0.0.0.1.70.93.50.81.50.63.11.07.52.01.30.89.21.12.60.64.10.62.70.2
no access intended1.80.50.0.0.80.60.60.40.20.23.81.20.60.32.70.86.71.44.21.612.12.410.61.27.40.938.11.69.10.3
total18.11.38.91.910.11.913.71.85.10.947.93.442.72.246.42.638.02.730.23.543.63.545.32.038.51.763.71.535.10.5
totalroad and skidding track59.01.872.03.073.82.976.52.276.91.826.93.032.32.140.52.520.12.28.92.215.42.616.41.413.71.210.01.036.00.5
road and skidding road30.71.723.72.920.62.620.22.118.91.717.82.624.71.920.72.15.61.37.02.05.11.65.00.97.90.93.20.614.60.4
road and cable line2.80.62.81.10.50.51.40.62.20.637.63.329.22.026.12.239.62.729.73.434.43.430.01.841.91.718.11.221.10.5
road and flight path0.80.30.0.0.50.50.30.30.0.6.81.89.41.25.51.211.11.725.13.310.02.221.61.68.81.06.30.87.20.3
no access intended6.70.91.50.94.71.41.70.72.00.610.92.04.40.97.21.323.62.429.33.435.23.527.01.827.71.562.41.621.10.5
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, Swiss National Forest Inventory, 10.07.2020 #862311/328642
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.61.854.53.470.73.064.02.573.01.915.32.58.91.319.72.15.41.35.42.02.21.36.01.012.41.20.50.326.80.5
road and skidding road24.21.627.53.011.52.112.01.714.11.53.01.111.91.59.41.63.21.03.81.71.10.82.50.63.40.74.60.810.00.4
road and cable line2.40.61.91.00.80.51.70.73.40.811.32.113.51.58.71.515.82.213.02.917.43.16.31.016.51.43.60.77.60.3
road and flight path0.0.0.0.0.0.0.0.0.0.3.11.32.30.74.71.15.71.48.72.58.32.210.61.311.21.27.81.04.70.3
no access intended7.71.07.21.76.91.78.61.54.40.97.81.914.91.67.51.410.11.816.83.32.71.44.80.91.00.44.90.86.70.3
total78.81.491.11.989.82.086.31.894.90.940.53.551.52.249.92.640.32.947.74.431.83.830.11.944.51.821.31.555.80.6
inside perimeterroad and skidding track0.50.30.0.0.0.0.0.0.0.1.00.70.20.20.60.40.30.30.0.1.30.91.60.52.20.50.10.10.70.1
road and skidding road1.30.40.0.0.0.0.0.0.0.0.60.60.0.0.50.40.90.50.0.0.70.70.30.20.10.10.30.20.40.1
road and cable line0.70.30.0.0.0.0.0.0.0.5.71.53.20.81.80.710.81.813.52.911.32.610.11.27.00.93.00.64.10.3
road and flight path0.10.10.0.0.0.0.0.0.0.0.80.51.60.60.80.45.01.35.32.05.91.97.21.13.90.75.00.82.60.2
no access intended0.40.20.0.0.0.0.0.0.0.2.21.00.70.40.0.0.70.51.71.22.91.51.60.50.10.10.50.30.60.1
total3.10.60.0.0.0.0.0.0.0.10.32.15.61.03.71.017.72.320.53.622.03.420.81.613.31.39.01.08.30.3
outside perimeterroad and skidding track4.20.75.01.55.51.54.61.13.00.710.12.17.01.215.91.93.91.14.81.99.32.46.11.07.81.01.30.45.80.3
road and skidding road9.51.02.21.03.01.14.11.01.40.54.91.510.41.47.81.43.01.01.61.13.11.42.70.71.80.56.70.95.00.3
road and cable line2.50.60.90.60.40.41.40.60.50.324.63.018.01.717.02.023.92.517.93.324.13.417.71.625.21.618.71.413.50.4
road and flight path0.20.20.0.0.0.0.60.40.20.22.21.01.00.43.20.92.70.93.01.56.32.118.21.67.31.035.41.78.10.3
no access intended1.70.50.90.61.20.73.00.90.0.7.31.96.51.12.40.98.51.74.51.83.51.44.30.80.10.17.61.03.50.2
total18.11.48.91.910.22.013.71.85.10.949.13.542.82.246.42.642.02.931.84.146.24.049.02.142.21.869.71.635.90.6
totalroad and skidding track49.31.859.53.376.22.868.62.476.01.826.43.116.11.736.22.59.61.710.22.712.92.713.71.422.41.61.90.533.20.5
road and skidding road35.11.729.73.114.52.316.11.915.51.58.62.022.31.917.72.07.21.55.42.04.91.75.51.05.30.811.51.215.40.5
road and cable line5.60.82.81.11.20.73.10.93.90.841.63.334.72.127.52.450.52.944.44.352.84.134.11.948.61.925.31.525.20.5
road and flight path0.40.20.0.0.0.0.60.40.20.26.11.74.90.98.81.513.42.017.13.320.43.336.02.022.51.648.21.815.40.4
no access intended9.71.18.01.88.11.811.71.74.40.917.32.722.11.99.91.619.42.323.03.79.12.410.71.31.20.413.01.210.80.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862312/328643
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track45.01.854.93.370.82.963.92.572.81.914.62.49.11.319.82.15.21.25.51.82.31.25.60.911.11.10.40.225.10.5
road and skidding road24.21.527.03.011.42.111.91.714.31.53.81.311.41.49.81.63.51.03.01.30.90.63.10.73.10.64.60.79.60.4
road and cable line2.30.51.90.90.80.51.70.73.60.810.82.013.81.59.11.516.52.110.92.417.62.86.21.016.21.33.60.67.80.3
road and flight path0.0.0.0.0.0.0.0.0.0.4.21.52.60.75.81.27.91.59.42.315.62.614.51.419.61.38.20.97.10.3
no access intended7.50.97.51.76.81.78.81.54.30.99.32.015.91.67.41.312.21.824.53.36.91.86.81.01.00.311.21.08.30.3
total79.01.491.31.989.92.086.21.895.00.942.83.452.82.251.92.545.42.853.33.843.33.536.31.851.01.728.01.457.90.5
inside perimeterroad and skidding track0.50.30.0.0.0.0.0.0.0.0.90.70.20.20.60.40.30.30.0.1.00.71.40.51.90.50.10.10.60.1
road and skidding road1.30.40.0.0.0.0.0.0.0.0.60.60.0.0.50.30.80.50.0.0.50.50.30.20.10.10.20.20.30.1
road and cable line0.70.30.0.0.0.0.0.0.0.5.51.53.20.81.80.79.71.711.22.49.02.19.21.16.00.82.60.53.80.2
road and flight path0.10.10.0.0.0.0.0.0.0.0.70.51.50.50.70.44.51.24.21.65.41.76.71.03.40.64.50.72.50.2
no access intended0.40.20.0.0.0.0.0.0.0.2.11.00.60.40.0.0.60.43.11.42.31.21.40.50.10.10.40.20.60.1
total3.00.60.0.0.0.0.0.0.0.9.92.05.61.03.50.916.02.118.53.018.32.819.01.511.61.17.80.97.80.3
outside perimeterroad and skidding track4.20.74.91.45.51.54.51.13.00.79.62.06.91.115.21.83.51.03.81.57.41.95.60.96.90.91.10.45.40.3
road and skidding road9.31.02.11.03.01.14.11.01.30.54.71.59.91.37.41.32.70.91.20.92.41.12.40.61.50.46.00.84.60.3
road and cable line2.50.60.90.60.40.41.30.60.50.323.52.917.31.716.51.921.92.314.72.720.22.915.91.421.91.416.21.212.70.4
road and flight path0.20.20.0.0.0.0.60.40.20.22.11.00.90.43.10.92.80.93.01.35.41.716.71.57.00.932.71.68.00.3
no access intended1.60.40.90.61.20.73.30.90.0.7.41.86.61.12.30.87.71.55.41.82.81.14.00.80.10.18.20.93.60.2
total17.91.38.71.910.12.013.81.85.00.947.33.441.72.244.62.538.72.728.13.538.43.544.61.937.41.664.21.634.30.5
totalroad and skidding track49.81.859.73.376.32.868.42.475.81.825.12.916.21.635.62.49.01.69.32.310.82.212.61.319.91.41.70.431.10.5
road and skidding road34.81.729.23.114.42.316.01.915.61.59.12.021.31.817.72.07.11.44.21.63.91.45.80.94.70.710.81.014.60.4
road and cable line5.50.82.81.11.20.73.00.94.10.839.73.234.42.127.32.348.22.836.83.646.93.631.41.844.11.722.41.424.30.5
road and flight path0.40.20.0.0.0.0.60.40.20.27.11.85.00.99.71.515.22.016.62.926.43.238.01.930.01.545.31.717.60.4
no access intended9.61.18.31.88.11.812.11.74.30.918.92.723.11.99.71.520.62.233.03.612.02.412.21.31.20.419.91.312.40.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862313/328644
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track45.01.854.93.370.82.963.72.572.81.915.12.59.11.319.82.15.51.35.92.02.71.35.91.011.71.20.50.226.30.5
road and skidding road24.21.527.03.011.42.111.91.714.31.53.91.311.51.49.91.63.41.03.61.61.00.73.10.73.60.74.80.810.00.4
road and cable line2.30.51.90.90.80.51.70.73.60.811.12.113.91.59.21.516.92.212.32.817.73.06.41.016.41.33.60.77.80.3
road and flight path0.0.0.0.0.0.0.0.0.0.3.51.42.60.75.11.16.11.48.22.410.52.312.11.313.11.28.41.05.40.3
no access intended7.50.97.51.76.81.78.81.54.30.98.11.915.51.67.21.310.01.717.33.23.11.45.50.91.00.46.50.97.00.3
total79.01.491.31.989.92.086.21.895.00.941.63.452.62.251.32.642.02.847.24.235.03.733.21.845.81.823.71.556.60.6
inside perimeterroad and skidding track0.50.30.0.0.0.0.0.0.0.0.90.70.20.20.60.40.30.30.0.1.20.81.50.52.20.50.10.10.60.1
road and skidding road1.30.40.0.0.0.0.0.0.0.0.60.60.0.0.50.30.90.50.0.0.60.60.30.20.10.10.20.20.40.1
road and cable line0.70.30.0.0.0.0.0.0.0.5.61.53.30.81.80.710.41.813.42.810.32.49.71.26.50.92.90.64.00.2
road and flight path0.10.10.0.0.0.0.0.0.0.0.80.51.50.50.70.44.81.25.01.96.21.96.81.03.80.74.80.72.50.2
no access intended0.40.20.0.0.0.0.0.0.0.2.21.00.60.40.0.0.70.52.31.32.71.31.50.50.10.10.50.20.60.1
total3.00.60.0.0.0.0.0.0.0.10.22.05.61.03.60.917.02.220.73.521.03.219.81.612.81.28.51.08.10.3
outside perimeterroad and skidding track4.20.74.91.45.51.54.51.13.00.79.92.07.01.115.41.83.71.14.51.88.52.25.90.97.71.01.20.45.70.3
road and skidding road9.31.02.11.03.01.14.11.01.30.54.81.510.01.37.51.32.91.01.51.02.81.32.50.61.70.56.50.94.80.3
road and cable line2.50.60.90.60.40.41.30.60.50.324.13.017.51.716.71.923.32.417.63.223.23.216.81.524.51.617.81.313.30.4
road and flight path0.20.20.0.0.0.0.60.40.20.22.21.00.90.43.10.92.91.02.91.46.21.917.61.57.30.934.81.78.10.3
no access intended1.60.40.90.61.20.73.30.90.0.7.21.86.41.12.40.88.21.65.72.03.21.34.20.80.10.17.40.93.50.2
total17.91.38.71.910.12.013.81.85.00.948.23.541.82.245.22.641.12.832.14.044.03.847.12.041.41.867.81.635.40.6
totalroad and skidding track49.81.859.73.376.32.868.32.475.81.825.93.016.31.735.82.59.51.710.42.612.42.513.31.421.61.51.80.532.60.5
road and skidding road34.81.729.23.114.42.316.01.915.61.59.42.021.51.817.92.07.21.55.11.94.51.66.01.05.40.811.51.115.20.4
road and cable line5.50.82.81.11.20.73.00.94.10.840.93.334.72.127.72.350.52.943.24.151.23.932.91.947.51.824.21.525.00.5
road and flight path0.40.20.0.0.0.0.60.40.20.26.41.75.00.99.01.513.92.016.13.122.93.336.51.924.21.548.01.816.10.4
no access intended9.61.18.31.88.11.812.11.74.30.917.42.722.61.99.61.518.92.225.33.79.02.311.21.31.30.414.41.211.10.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862314/328645
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.61.854.53.470.73.064.12.573.01.914.92.48.81.319.52.15.11.34.71.71.91.15.81.011.61.10.50.225.50.5
road and skidding road24.21.627.53.011.52.112.01.714.11.52.91.111.81.59.31.53.31.03.31.41.00.72.30.63.00.64.40.79.60.4
road and cable line2.40.61.91.00.80.51.70.73.40.811.02.113.61.58.61.515.32.111.82.616.82.86.31.016.11.33.70.67.60.3
road and flight path0.0.0.0.0.0.0.0.0.0.3.91.42.30.65.51.27.71.58.82.315.12.612.71.318.01.37.70.96.40.3
no access intended7.71.07.21.76.91.78.61.54.40.99.12.015.41.67.41.412.11.822.63.36.21.86.41.01.00.310.31.07.90.3
total78.81.491.11.989.82.086.41.894.90.941.83.451.92.250.22.643.62.851.14.041.03.733.51.849.71.726.41.457.10.5
inside perimeterroad and skidding track0.50.30.0.0.0.0.0.0.0.0.90.70.20.20.60.40.30.30.0.1.10.81.50.51.90.50.10.10.60.1
road and skidding road1.30.40.0.0.0.0.0.0.0.0.60.60.0.0.50.30.90.50.0.0.60.60.30.20.10.10.20.20.40.1
road and cable line0.70.30.0.0.0.0.0.0.0.5.61.53.20.81.80.710.21.711.62.59.72.39.71.26.40.92.70.53.90.2
road and flight path0.10.10.0.0.0.0.0.0.0.0.70.51.60.50.80.44.71.24.61.75.11.77.11.03.50.64.70.72.50.2
no access intended0.40.20.0.0.0.0.0.0.0.2.21.00.70.40.0.0.70.52.81.42.51.31.50.50.10.10.50.20.60.1
total3.10.60.0.0.0.0.0.0.0.10.12.05.61.03.71.016.72.118.93.219.03.020.21.612.11.18.10.98.00.3
outside perimeterroad and skidding track4.20.75.01.55.51.54.61.13.00.79.82.07.01.215.71.93.71.14.11.78.12.15.80.97.00.91.20.45.50.3
road and skidding road9.51.02.21.03.01.14.11.01.40.54.81.510.31.47.71.42.90.91.31.02.61.22.50.61.60.46.20.84.80.3
road and cable line2.50.60.90.60.40.41.40.60.50.323.92.917.81.717.12.022.62.415.42.920.83.016.71.522.71.516.71.213.00.4
road and flight path0.20.20.0.0.0.0.60.40.20.22.21.01.00.43.20.92.50.93.31.55.41.817.21.56.80.933.31.68.00.3
no access intended1.70.50.90.61.20.73.00.90.0.7.51.96.51.12.40.88.11.65.91.93.01.24.10.80.10.18.10.93.60.2
total18.11.48.91.910.22.013.61.85.10.948.23.542.52.246.12.639.72.830.03.739.93.746.32.038.21.765.41.634.90.6
totalroad and skidding track49.31.859.53.376.22.868.72.476.01.825.63.016.01.735.82.59.11.68.82.311.12.313.11.420.51.41.70.431.70.5
road and skidding road35.11.729.73.114.52.316.11.915.51.58.41.922.11.917.52.07.11.44.61.74.21.55.20.94.70.710.81.114.70.4
road and cable line5.60.82.81.11.20.73.00.93.90.840.53.334.62.127.52.348.12.838.83.947.33.832.71.845.21.723.11.424.50.5
road and flight path0.40.20.0.0.0.0.60.40.20.26.81.84.80.99.51.514.92.016.73.125.63.337.12.028.41.645.61.717.00.4
no access intended9.71.18.01.88.11.811.61.74.40.918.82.722.51.99.81.620.92.331.23.711.82.412.01.31.20.418.81.312.10.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862315/328646
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.31.854.33.470.23.063.72.573.01.914.52.48.51.219.02.14.81.24.11.51.71.05.70.911.11.10.40.224.60.4
road and skidding road24.11.527.83.011.32.111.81.714.11.52.91.111.51.49.11.53.11.02.91.30.90.62.20.62.90.64.10.69.20.4
road and cable line2.40.61.91.00.80.51.70.73.40.810.72.013.51.58.61.514.92.010.52.315.92.66.00.915.71.33.40.67.50.3
road and flight path0.10.10.0.0.0.0.30.30.0.4.21.42.40.75.41.28.11.510.22.313.62.413.71.418.81.37.60.96.80.3
no access intended7.91.07.11.77.71.78.81.54.40.910.12.116.01.67.81.414.41.923.53.26.61.87.31.00.90.313.31.18.90.4
total78.81.491.11.989.91.986.31.894.90.942.33.451.92.249.82.645.42.751.33.838.73.434.81.849.41.728.81.457.00.5
inside perimeterroad and skidding track0.50.30.0.0.0.0.0.0.0.0.90.60.20.20.60.40.30.30.0.1.00.71.40.52.00.50.10.10.60.1
road and skidding road1.30.40.0.0.0.0.0.0.0.0.60.60.0.0.50.30.80.50.0.0.50.50.50.30.10.10.20.10.40.1
road and cable line0.70.30.0.0.0.0.0.0.0.5.41.53.10.81.80.79.91.710.82.38.72.19.31.16.10.82.40.53.80.2
road and flight path0.10.10.0.0.0.0.0.0.0.0.70.51.50.51.00.54.71.24.11.55.21.67.31.03.80.74.30.62.60.2
no access intended0.40.20.0.0.0.0.0.0.0.2.11.00.60.40.0.0.90.53.61.42.21.11.40.50.10.10.50.20.60.1
total3.10.60.0.0.0.0.0.0.0.9.82.05.41.03.81.016.62.118.53.017.72.819.91.512.11.17.50.88.00.3
outside perimeterroad and skidding track4.20.74.91.55.51.54.51.13.00.79.52.07.01.115.61.83.41.03.61.57.21.95.50.96.90.91.10.35.30.3
road and skidding road9.41.02.21.03.01.14.11.01.40.54.71.510.21.47.81.42.70.91.20.82.41.12.40.61.50.45.70.84.60.3
road and cable line2.50.60.90.60.40.41.30.60.50.323.32.917.81.717.22.021.62.314.22.621.32.915.91.422.11.415.51.212.70.4
road and flight path0.20.20.0.0.0.0.60.40.20.22.51.01.10.53.50.92.70.94.21.68.62.117.41.57.80.931.41.58.30.3
no access intended1.80.50.90.61.20.73.30.90.0.8.01.96.61.12.30.87.61.57.02.04.11.54.00.80.20.110.11.04.10.2
total18.11.38.91.910.11.913.71.85.10.947.93.442.72.246.42.638.02.730.23.543.63.545.32.038.51.763.71.535.10.5
totalroad and skidding track49.01.859.23.375.62.868.22.476.01.824.92.915.71.635.12.48.51.57.82.110.02.112.61.320.01.41.60.430.60.5
road and skidding road34.91.730.03.114.32.315.91.915.51.58.11.921.61.817.32.06.71.44.11.53.81.35.10.94.50.710.01.014.20.4
road and cable line5.50.82.81.11.20.73.00.93.90.839.43.234.42.127.62.346.42.735.53.546.03.631.21.843.91.721.31.324.00.5
road and flight path0.50.30.0.0.0.0.80.50.20.27.41.85.00.99.81.515.62.018.53.027.43.338.41.930.31.643.21.617.70.4
no access intended10.01.18.01.88.91.912.11.74.40.920.22.823.31.910.11.622.92.334.23.612.92.412.71.31.30.423.91.413.50.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862316/328647
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track53.41.670.91.319.81.28.70.74.00.729.90.5
road and skidding road23.21.317.41.111.01.03.20.40.70.310.50.4
road and cable line1.00.31.00.311.31.011.00.72.70.66.40.3
road and flight path0.50.20.10.14.00.65.40.51.00.42.70.2
no access intended3.30.61.80.42.80.510.10.712.91.26.40.3
total81.51.291.20.848.91.538.41.121.31.555.80.6
inside perimeterroad and skidding track1.40.40.0.1.00.31.70.30.50.31.00.1
road and skidding road0.20.20.0.0.70.20.60.20.60.30.40.1
road and cable line0.20.10.0.3.10.59.60.72.90.64.10.3
road and flight path0.10.10.0.0.80.32.90.41.30.41.30.1
no access intended0.50.20.0.0.30.22.70.43.60.71.50.2
total2.40.50.0.5.90.717.50.99.01.08.30.3
outside perimeterroad and skidding track7.40.85.60.714.11.17.10.67.20.98.20.4
road and skidding road5.80.72.40.411.01.03.60.42.30.64.90.3
road and cable line1.60.40.40.215.71.120.10.916.21.311.80.4
road and flight path0.0.0.0.2.50.55.40.54.80.82.80.2
no access intended1.40.40.40.21.90.47.90.639.31.88.30.3
total16.11.28.80.845.21.544.11.169.71.636.00.6
totalroad and skidding track62.11.576.51.334.91.517.60.911.71.239.10.6
road and skidding road29.21.419.71.222.61.37.30.63.60.715.80.5
road and cable line2.80.51.50.430.11.440.71.121.81.522.20.5
road and flight path0.60.30.10.17.30.813.70.87.10.96.80.3
no access intended5.20.72.30.45.10.720.70.955.81.816.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862317/328648
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.71.854.63.370.02.963.42.572.81.914.22.38.81.219.42.04.91.24.91.62.11.15.60.910.71.00.40.224.20.4
road and skidding road24.01.527.43.011.62.111.71.714.31.53.71.211.01.49.51.53.31.02.71.20.80.63.00.73.00.64.30.79.30.3
road and cable line2.30.51.90.90.80.51.70.73.50.810.52.013.71.59.11.516.02.09.72.216.82.65.90.915.81.23.30.67.70.3
road and flight path0.10.10.0.0.0.0.30.30.0.4.61.52.70.75.71.28.31.510.62.315.12.415.91.420.61.38.10.97.60.3
no access intended7.81.07.41.77.61.79.01.54.30.910.32.116.91.67.81.415.51.926.73.28.21.98.41.11.00.314.41.19.40.4
total79.01.491.31.990.01.986.11.895.00.943.43.353.12.251.52.548.02.754.63.642.93.338.61.851.11.630.51.458.10.5
inside perimeterroad and skidding track0.50.30.0.0.0.0.0.0.0.0.90.60.20.20.50.40.30.30.0.0.90.71.30.41.90.50.10.10.60.1
road and skidding road1.30.40.0.0.0.0.0.0.0.0.60.60.0.0.50.30.80.50.0.0.50.50.40.20.10.10.20.10.30.1
road and cable line0.60.30.0.0.0.0.0.0.0.5.31.43.10.81.70.69.41.610.52.28.11.98.61.05.80.82.40.53.70.2
road and flight path0.10.10.0.0.0.0.0.0.0.0.70.51.50.51.00.54.51.13.71.44.91.56.81.03.80.64.10.62.50.2
no access intended0.40.20.0.0.0.0.30.30.0.2.11.00.60.40.0.0.80.53.31.32.11.11.30.40.10.10.50.20.60.1
total3.00.60.0.0.0.0.30.30.0.9.61.95.41.03.70.915.82.017.52.816.52.618.51.411.61.17.30.87.70.3
outside perimeterroad and skidding track4.20.74.91.45.41.54.51.13.00.79.31.96.71.115.11.83.31.03.41.46.71.75.30.86.80.81.00.35.20.3
road and skidding road9.31.02.10.93.01.14.11.01.30.54.61.49.81.37.51.32.60.91.10.82.21.02.20.61.40.45.50.74.50.3
road and cable line2.50.60.90.60.40.41.30.60.50.322.92.817.21.616.61.920.62.213.12.419.82.715.11.321.31.415.11.112.40.4
road and flight path0.20.20.0.0.0.0.50.40.20.22.41.01.10.43.30.92.60.93.81.48.01.916.31.47.50.930.51.58.10.3
no access intended1.70.50.90.61.20.73.20.90.0.7.81.96.71.12.30.87.21.46.51.83.81.43.90.70.30.210.11.04.00.2
total18.01.38.71.910.01.913.61.85.00.947.03.441.52.144.82.536.22.627.93.240.63.342.91.937.31.662.21.534.10.5
totalroad and skidding track49.51.859.53.375.42.867.92.475.81.824.52.915.71.635.02.48.41.58.32.09.82.012.21.219.31.31.50.430.00.5
road and skidding road34.61.729.53.114.62.315.81.915.61.58.91.920.81.817.51.96.61.33.81.43.51.25.60.94.60.710.01.014.10.4
road and cable line5.50.82.71.11.10.73.00.94.10.838.73.234.02.027.52.345.92.733.33.344.73.429.71.742.91.620.81.323.70.5
road and flight path0.50.30.0.0.0.0.80.50.20.27.71.85.20.910.01.515.42.018.22.827.93.238.91.931.91.542.71.618.20.4
no access intended9.91.18.31.88.81.812.51.74.30.920.22.724.31.910.11.523.52.336.53.514.12.413.61.31.40.425.01.314.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862318/328649
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track53.21.670.91.319.61.28.80.74.20.729.80.5
road and skidding road23.21.317.21.111.11.03.20.40.60.310.40.4
road and cable line1.00.31.00.311.10.910.80.72.80.66.30.3
road and flight path0.50.20.10.13.90.65.70.51.00.42.80.2
no access intended3.50.61.90.43.00.510.40.713.21.26.60.3
total81.51.291.20.848.71.539.01.121.81.555.90.6
inside perimeterroad and skidding track1.40.40.0.1.00.31.70.30.50.21.00.1
road and skidding road0.20.20.0.0.60.20.60.20.60.30.40.1
road and cable line0.20.10.0.3.00.59.50.72.80.64.00.2
road and flight path0.10.10.0.0.80.32.80.41.40.41.30.1
no access intended0.50.20.0.0.30.22.70.43.70.71.50.2
total2.40.50.0.5.80.717.30.99.01.08.20.3
outside perimeterroad and skidding track7.50.85.50.714.11.17.20.67.10.98.20.4
road and skidding road5.70.72.40.511.31.03.70.42.40.65.00.3
road and cable line1.60.40.40.215.81.119.70.915.91.311.70.4
road and flight path0.0.0.0.2.40.55.30.54.80.82.80.2
no access intended1.40.40.40.21.90.47.90.638.91.88.30.3
total16.21.18.80.845.51.543.71.169.21.635.90.6
totalroad and skidding track62.11.576.51.234.71.417.70.911.81.239.00.6
road and skidding road29.11.419.71.223.01.37.50.63.60.715.90.5
road and cable line2.80.51.50.430.01.440.11.121.51.522.00.5
road and flight path0.60.30.10.17.20.813.80.87.20.96.80.3
no access intended5.40.72.30.45.20.721.00.955.81.816.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862319/328650
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track53.01.670.61.419.31.28.60.74.10.831.10.5
road and skidding road23.21.417.41.111.41.02.80.40.60.310.90.4
road and cable line1.00.31.10.310.91.010.70.82.90.76.10.3
road and flight path0.60.20.10.13.40.64.00.50.30.22.00.2
no access intended3.30.61.90.42.60.58.10.78.41.14.90.3
total81.01.391.00.947.61.634.21.216.31.555.10.6
inside perimeterroad and skidding track1.40.40.0.1.10.31.80.30.50.31.10.1
road and skidding road0.20.20.0.0.70.30.70.20.60.30.50.1
road and cable line0.20.10.0.3.20.510.90.83.50.74.30.3
road and flight path0.10.10.0.0.90.33.10.41.60.51.30.2
no access intended0.50.20.0.0.40.22.60.43.50.71.40.2
total2.50.50.0.6.20.719.11.09.71.28.50.4
outside perimeterroad and skidding track7.40.85.70.714.51.17.60.78.01.18.50.4
road and skidding road6.00.82.40.511.21.03.80.52.50.65.20.3
road and cable line1.60.40.40.216.21.222.01.018.11.512.30.4
road and flight path0.0.0.0.2.50.55.80.65.30.92.80.2
no access intended1.40.40.40.21.80.47.50.740.12.07.60.3
total16.51.29.00.946.21.646.61.274.01.836.40.6
totalroad and skidding track61.81.676.31.334.91.518.01.012.51.340.70.6
road and skidding road29.41.519.81.223.31.37.20.63.70.816.60.5
road and cable line2.90.51.50.430.21.443.61.224.51.722.70.5
road and flight path0.70.30.10.16.80.812.90.87.21.06.20.3
no access intended5.30.72.30.44.80.718.21.052.02.013.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862320/328651
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track53.41.670.91.319.51.27.90.63.80.728.40.5
road and skidding road23.21.317.31.110.81.03.00.40.60.310.00.4
road and cable line1.00.31.00.311.21.010.70.72.70.56.30.3
road and flight path0.50.20.10.14.30.66.40.51.10.43.20.2
no access intended3.30.61.80.43.50.615.30.818.31.39.20.4
total81.51.291.20.849.31.543.21.126.41.457.00.5
inside perimeterroad and skidding track1.40.40.0.1.00.31.50.30.50.21.00.1
road and skidding road0.20.20.0.0.70.20.50.20.60.30.40.1
road and cable line0.20.10.0.3.00.58.80.62.50.53.90.2
road and flight path0.10.10.0.0.80.32.70.41.20.41.20.1
no access intended0.50.20.0.0.30.22.70.43.40.61.50.2
total2.40.50.0.5.80.716.30.88.10.98.00.3
outside perimeterroad and skidding track7.40.85.60.713.91.16.50.56.50.87.80.3
road and skidding road5.80.72.40.410.91.03.30.42.30.54.70.3
road and cable line1.60.40.40.215.61.118.30.814.31.211.20.4
road and flight path0.0.0.0.2.40.55.00.54.40.72.70.2
no access intended1.40.40.40.22.00.47.50.637.91.78.40.3
total16.11.28.80.844.81.540.51.165.41.634.90.6
totalroad and skidding track62.11.576.51.234.41.416.00.810.71.137.20.5
road and skidding road29.21.419.71.222.31.36.80.63.40.615.10.4
road and cable line2.80.51.50.429.91.437.71.119.51.321.40.5
road and flight path0.60.30.10.17.60.814.10.86.70.97.10.3
no access intended5.20.72.30.45.80.725.40.959.61.719.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862321/328652
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