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NFI3
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.21.777.61.340.52.325.01.825.14.356.40.9
road and skidding road28.71.619.21.223.92.08.11.24.02.019.90.7
road and cable line1.30.41.20.322.91.931.42.017.53.711.10.6
road and flight path0.70.30.10.17.21.211.71.41.91.43.70.3
no access intended4.10.71.90.45.41.023.71.851.55.08.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.14.53.68.54.115.22.7
road and skidding road15.88.40.0.38.117.35.32.34.02.87.62.0
road and cable line15.28.10.0.38.317.245.15.017.15.533.43.6
road and flight path0.0.0.0.12.812.018.53.910.34.413.82.6
no access intended31.210.60.0.10.810.316.73.860.17.130.13.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track48.93.863.34.730.22.014.31.110.31.422.10.9
road and skidding road34.03.626.24.322.51.86.90.83.70.912.90.7
road and cable line8.82.24.82.136.92.150.51.626.82.037.01.0
road and flight path0.60.60.0.6.31.013.01.18.11.38.90.6
no access intended7.72.15.82.34.10.915.21.251.22.319.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
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 #860425/326756
NFI3
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.41.777.71.340.42.222.71.618.83.153.50.8
road and skidding road28.61.619.11.222.41.88.21.03.11.418.80.7
road and cable line1.20.41.20.323.21.828.61.712.82.611.40.5
road and flight path0.70.30.10.18.21.214.11.34.91.74.90.4
no access intended4.10.71.90.45.81.026.41.660.43.811.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.14.23.47.63.714.52.6
road and skidding road15.88.40.0.38.117.34.82.13.62.57.01.9
road and cable line15.28.10.0.38.317.243.04.817.05.232.33.4
road and flight path0.0.0.0.12.812.017.93.711.04.213.82.5
no access intended31.210.60.0.10.810.320.13.960.86.732.53.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.53.863.34.730.02.014.41.110.01.321.50.8
road and skidding road33.63.626.24.322.61.87.00.83.70.812.50.7
road and cable line8.72.14.82.136.82.148.81.525.01.936.01.0
road and flight path0.60.60.0.6.31.013.01.07.41.18.80.6
no access intended7.62.05.82.34.30.916.91.253.92.121.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
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 #860426/326757
NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track56.62.061.13.577.82.873.72.577.11.832.94.716.52.237.63.510.22.39.02.84.92.414.52.220.91.91.30.741.70.7
road and skidding road30.41.929.43.312.92.313.61.915.11.68.62.820.82.418.52.86.82.04.92.11.91.47.71.65.91.114.02.015.90.6
road and cable line2.90.72.11.10.80.61.90.83.80.824.24.225.82.617.72.733.33.717.73.839.15.115.22.231.02.211.01.813.20.5
road and flight path0.20.20.0.0.0.0.30.30.0.10.53.35.01.311.02.217.42.919.44.035.15.041.03.140.32.326.52.613.10.5
no access intended9.81.27.41.88.51.910.51.74.10.923.84.431.82.815.22.632.23.649.05.019.04.221.62.61.90.647.12.916.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track5.45.3100.0...100.0...0.0.0.0.69.726.06.46.214.17.59.26.017.05.917.07.83.32.311.62.2
road and skidding road39.011.50.0...0.0...0.0.45.924.90.0.5.85.70.0.3.73.75.03.50.0.5.02.87.21.7
road and cable line22.810.00.0...0.0...0.0.29.624.030.326.058.212.136.110.243.610.821.56.429.49.315.44.727.53.1
road and flight path10.97.30.0...0.0...100.0.24.521.40.0.23.310.318.08.239.710.851.57.853.610.267.96.144.43.4
no access intended21.99.70.0...0.0...0.0.0.0.0.0.6.36.131.89.93.73.75.03.50.0.8.43.69.22.0
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track24.73.544.110.054.410.330.56.654.29.018.23.414.92.331.63.46.82.05.02.914.43.610.11.517.71.91.40.514.00.7
road and skidding road51.84.131.79.329.69.429.86.524.27.99.22.720.52.616.72.76.51.93.32.34.92.24.31.03.30.98.61.111.90.6
road and cable line14.12.97.95.43.83.89.84.29.35.150.14.443.63.238.03.557.53.957.66.350.25.140.62.556.82.426.01.739.10.9
road and flight path0.70.70.0.0.0.4.02.83.43.35.01.95.11.49.02.112.62.716.34.718.74.136.12.521.32.048.02.023.70.8
no access intended8.72.316.27.412.26.725.96.28.94.917.63.515.92.44.71.616.52.917.95.011.83.48.91.50.90.515.91.511.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
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 #860427/326758
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.21.777.81.339.42.118.41.314.32.349.60.8
road and skidding road28.61.619.01.222.21.86.90.82.10.917.50.6
road and cable line1.20.41.10.322.41.824.11.410.22.011.00.5
road and flight path0.70.30.10.18.71.215.01.24.21.35.70.4
no access intended4.30.72.00.47.21.135.61.669.13.016.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.13.73.37.33.514.02.5
road and skidding road15.88.40.0.38.117.34.62.03.42.46.71.8
road and cable line15.28.10.0.38.317.243.34.716.45.032.33.3
road and flight path0.0.0.0.12.812.018.13.712.44.414.42.5
no access intended31.210.60.0.10.810.320.33.960.46.632.53.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track50.13.862.64.729.72.014.41.19.71.221.20.8
road and skidding road33.23.626.94.423.01.87.20.83.80.812.60.7
road and cable line8.62.14.72.136.82.047.81.523.41.735.10.9
road and flight path0.60.60.0.6.21.012.91.07.21.18.70.6
no access intended7.52.05.72.34.40.917.81.255.82.022.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.11.576.51.234.31.416.10.810.81.137.10.5
road and skidding road29.11.419.71.222.71.36.90.63.40.615.20.4
road and cable line2.80.51.50.429.71.437.21.019.41.321.30.5
road and flight path0.60.30.10.17.40.814.10.86.70.97.10.3
no access intended5.40.72.30.45.80.725.70.959.71.619.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860428/326759
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track64.31.678.31.239.62.022.31.418.02.852.90.8
road and skidding road28.81.518.61.122.71.88.51.03.31.318.70.6
road and cable line1.50.41.10.323.21.727.91.512.32.411.40.5
road and flight path0.60.30.10.18.21.114.31.25.41.75.00.4
no access intended4.90.71.90.46.21.027.01.561.03.612.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track40.911.0100.0.8.27.815.03.38.13.515.42.5
road and skidding road15.08.00.0.22.511.54.41.93.12.26.21.7
road and cable line14.47.70.0.39.213.642.04.616.14.731.33.2
road and flight path0.0.0.0.15.710.217.53.615.74.615.12.5
no access intended29.710.20.0.14.39.521.23.857.16.332.13.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.33.661.24.529.71.815.21.09.61.221.70.8
road and skidding road32.23.427.04.122.81.77.10.73.90.812.60.6
road and cable line10.02.25.92.236.71.948.01.524.21.735.60.9
road and flight path0.50.50.0.6.00.912.71.07.31.18.50.5
no access intended8.02.05.92.24.70.817.01.154.92.021.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track61.31.576.81.234.21.418.00.811.31.138.80.5
road and skidding road29.11.419.31.122.81.27.50.63.70.715.80.4
road and cable line3.20.51.50.330.41.339.81.121.11.422.00.5
road and flight path0.60.20.10.17.20.713.60.77.50.96.80.3
no access intended5.90.72.20.45.50.621.20.956.41.716.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860429/326760
NFI3
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.21.777.81.340.32.122.71.519.13.053.20.8
road and skidding road28.61.619.01.222.71.88.21.02.91.318.70.7
road and cable line1.20.41.10.322.91.827.81.612.82.511.30.5
road and flight path0.70.30.10.18.11.214.61.34.61.65.00.4
no access intended4.30.72.00.46.11.026.71.660.53.711.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.14.13.47.53.614.42.6
road and skidding road15.88.40.0.38.117.34.82.13.52.46.91.8
road and cable line15.28.10.0.38.317.243.64.816.75.132.53.4
road and flight path0.0.0.0.12.812.017.73.712.64.514.22.5
no access intended31.210.60.0.10.810.319.93.959.76.632.13.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track50.13.862.64.729.82.014.51.110.01.321.60.8
road and skidding road33.23.626.94.423.01.87.30.83.90.812.80.7
road and cable line8.62.14.72.136.72.148.41.524.71.835.71.0
road and flight path0.60.60.0.6.21.012.81.07.41.18.70.6
no access intended7.52.05.72.34.20.817.01.254.02.121.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.
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 #860430/326761
NFI3
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.41.777.81.339.52.118.31.314.32.349.80.8
road and skidding road28.61.619.11.221.91.86.90.82.21.017.50.6
road and cable line1.20.41.20.322.71.824.71.410.12.011.10.5
road and flight path0.70.30.10.18.81.214.91.24.31.35.60.4
no access intended4.10.71.90.47.11.135.31.669.13.116.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.13.83.37.53.614.22.5
road and skidding road15.88.40.0.38.117.34.72.03.52.46.81.8
road and cable line15.28.10.0.38.317.242.84.716.75.132.13.4
road and flight path0.0.0.0.12.812.018.33.710.84.214.02.5
no access intended31.210.60.0.10.810.320.53.961.56.632.83.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.53.863.34.729.92.014.21.19.61.221.20.8
road and skidding road33.63.626.24.322.51.86.90.83.90.812.40.7
road and cable line8.72.14.82.136.82.148.11.523.51.835.30.9
road and flight path0.60.60.0.6.31.013.01.07.31.18.80.6
no access intended7.62.05.82.34.50.917.71.255.72.122.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.
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 #860431/326762
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track64.31.678.31.238.82.018.01.213.92.249.30.7
road and skidding road28.81.518.61.122.21.77.10.82.41.017.40.6
road and cable line1.50.41.10.322.71.724.01.310.21.911.00.5
road and flight path0.60.30.10.18.71.115.31.14.71.35.80.4
no access intended4.90.71.90.47.61.135.51.568.72.916.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track40.911.0100.0.8.27.814.43.27.93.415.02.4
road and skidding road15.08.00.0.22.511.54.31.93.02.16.01.6
road and cable line14.47.70.0.39.213.641.44.515.94.631.03.1
road and flight path0.0.0.0.15.710.218.63.615.44.515.72.5
no access intended29.710.20.0.14.39.521.33.857.76.232.33.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.33.661.24.529.61.815.11.09.31.121.30.8
road and skidding road32.23.427.04.122.81.76.90.73.90.812.40.6
road and cable line10.02.25.92.236.81.947.41.423.01.635.00.9
road and flight path0.50.50.0.6.00.912.81.07.11.08.50.5
no access intended8.02.05.92.24.90.817.81.156.71.922.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track61.31.576.81.233.71.316.40.810.41.037.00.5
road and skidding road29.11.419.31.122.51.26.90.53.40.615.10.4
road and cable line3.20.51.50.330.11.336.81.019.21.221.20.5
road and flight path0.60.20.10.17.40.714.20.77.00.87.20.3
no access intended5.90.72.20.46.30.725.80.959.91.619.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860432/326763
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.21.777.51.338.52.117.41.212.02.048.10.8
road and skidding road28.51.619.01.221.31.86.40.82.20.916.90.6
road and cable line1.20.41.20.322.51.823.61.48.41.710.90.5
road and flight path0.70.30.20.18.71.215.11.23.61.15.80.4
no access intended4.50.72.10.49.01.237.51.673.72.718.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.13.23.18.63.714.02.4
road and skidding road15.88.40.0.38.117.34.21.83.32.36.31.7
road and cable line15.28.10.0.38.317.239.04.415.64.830.03.2
road and flight path0.0.0.0.12.812.018.83.511.74.214.82.5
no access intended31.210.60.0.10.810.324.83.960.86.434.93.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.23.863.64.730.22.013.71.09.21.220.70.8
road and skidding road34.03.625.94.322.01.86.70.73.70.812.00.6
road and cable line8.72.14.72.136.82.047.21.522.71.734.80.9
road and flight path0.60.60.0.6.51.013.01.06.91.08.70.6
no access intended7.62.05.72.34.50.919.51.257.62.023.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track61.91.576.31.234.11.415.30.810.01.036.00.5
road and skidding road29.21.419.61.221.81.26.40.53.20.614.60.4
road and cable line2.80.51.60.429.81.436.51.018.11.221.10.5
road and flight path0.60.30.20.17.60.814.20.76.30.87.20.3
no access intended5.50.72.40.46.70.727.61.062.41.621.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860433/326764
NFI4
forest area
rockfall 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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track57.31.877.01.329.72.122.01.81.91.351.00.9
road and skidding road30.71.713.91.119.61.87.61.127.24.418.60.7
road and cable line2.90.62.60.523.41.937.12.122.34.113.30.6
road and flight path0.0.0.0.6.01.122.31.830.74.66.30.4
no access intended9.11.06.50.821.21.910.91.317.93.810.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.114.53.64.02.812.22.5
road and skidding road36.911.10.0.23.914.94.12.06.13.49.12.2
road and cable line21.59.50.0.25.515.540.05.016.95.430.63.5
road and flight path10.47.00.0.23.714.837.34.968.86.742.43.7
no access intended20.89.30.0.0.0.4.12.04.22.95.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.63.443.94.922.61.812.51.11.90.615.20.8
road and skidding road48.83.828.34.516.81.74.50.79.11.312.80.7
road and cable line13.62.68.62.743.22.254.41.631.92.141.81.0
road and flight path0.60.62.91.75.81.021.91.346.92.320.90.8
no access intended9.52.316.33.611.71.46.70.810.31.49.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.21.674.01.326.01.415.80.92.10.634.70.6
road and skidding road34.01.515.21.118.21.25.60.611.81.315.90.5
road and cable line5.10.73.20.533.61.547.61.229.11.825.80.5
road and flight path0.30.20.30.26.00.723.01.046.02.013.60.4
no access intended9.40.97.40.816.21.28.00.711.01.310.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860434/326765
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track64.11.678.01.237.82.017.11.112.01.947.60.7
road and skidding road28.61.518.61.121.61.76.70.72.30.916.90.6
road and cable line1.40.41.20.322.61.723.01.38.81.610.90.5
road and flight path0.60.30.20.18.71.115.41.14.01.15.90.4
no access intended5.20.72.00.49.31.237.91.572.92.518.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track40.911.0100.0.8.27.813.73.09.13.514.82.3
road and skidding road15.08.00.0.22.511.53.81.72.92.05.61.5
road and cable line14.47.70.0.39.213.637.74.215.24.429.23.0
road and flight path0.0.0.0.15.710.219.73.514.74.316.22.4
no access intended29.710.20.0.14.39.525.13.858.16.034.23.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.03.661.64.429.61.814.51.08.91.120.80.7
road and skidding road32.53.426.74.022.51.66.70.73.70.712.10.6
road and cable line10.02.25.82.136.71.946.51.422.11.634.40.9
road and flight path0.50.50.0.6.30.912.90.96.71.08.60.5
no access intended8.02.05.92.24.90.819.41.158.61.924.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track61.21.576.51.233.31.315.60.79.80.935.90.5
road and skidding road29.11.419.31.122.11.26.50.53.20.514.60.4
road and cable line3.10.51.60.429.91.335.61.017.91.220.90.4
road and flight path0.60.20.20.17.60.714.30.76.40.87.30.3
no access intended6.10.72.40.47.10.727.90.962.71.521.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860435/326766
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track65.01.777.61.338.52.117.41.212.42.047.90.8
road and skidding road28.41.618.91.221.61.86.50.82.20.916.90.6
road and cable line1.20.41.20.322.31.823.11.38.61.710.80.5
road and flight path0.60.30.20.18.61.215.21.23.61.15.80.4
no access intended4.70.72.10.49.01.237.91.673.32.618.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track37.911.2100.0.0.0.13.13.08.63.713.92.4
road and skidding road15.88.40.0.38.117.34.11.83.32.36.21.7
road and cable line15.28.10.0.38.317.239.54.415.64.830.33.2
road and flight path0.0.0.0.12.812.018.73.511.74.214.72.4
no access intended31.210.60.0.10.810.324.63.960.86.434.83.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track49.83.863.04.729.91.913.91.09.31.220.80.8
road and skidding road33.63.626.74.322.61.87.00.83.60.812.20.6
road and cable line8.62.14.72.036.62.047.01.522.51.734.60.9
road and flight path0.60.60.0.6.51.012.91.06.81.08.70.6
no access intended7.52.05.72.34.40.919.31.257.82.023.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track61.91.576.31.233.91.415.40.810.21.036.00.5
road and skidding road29.11.419.61.222.21.26.60.53.20.614.70.4
road and cable line2.80.51.50.429.61.336.01.018.01.220.90.5
road and flight path0.60.30.20.17.60.814.20.76.20.87.30.3
no access intended5.60.72.50.56.70.727.80.962.51.521.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860436/326767
NFI4
forest area
rockfall 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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track58.01.776.71.327.81.919.31.42.11.046.60.8
road and skidding road30.11.614.11.118.91.77.91.020.42.917.60.6
road and cable line2.70.62.70.523.81.832.71.715.12.613.90.6
road and flight path0.0.0.0.7.11.127.51.635.23.59.60.5
no access intended9.11.06.60.822.41.812.61.227.33.212.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.115.13.43.52.512.42.4
road and skidding road36.911.10.0.23.914.93.51.75.33.08.01.9
road and cable line21.59.50.0.25.515.536.94.514.84.828.53.2
road and flight path10.47.00.0.23.714.837.34.670.96.143.53.5
no access intended20.89.30.0.0.0.7.22.45.53.17.61.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.63.443.44.922.01.813.11.01.60.514.80.7
road and skidding road49.13.828.04.416.71.64.30.69.11.212.40.7
road and cable line13.42.68.52.743.72.152.31.528.31.940.41.0
road and flight path0.60.62.91.75.91.023.11.350.02.122.90.8
no access intended9.32.217.13.711.81.47.10.810.91.39.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track52.01.673.71.325.01.315.70.81.80.532.60.5
road and skidding road33.51.515.31.117.81.25.70.511.51.115.20.4
road and cable line4.90.73.20.533.61.443.51.124.21.525.10.5
road and flight path0.30.20.30.26.60.725.71.048.01.816.00.4
no access intended9.30.97.50.817.01.19.30.714.41.211.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860437/326768
NFI4
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track58.01.776.71.327.41.916.41.21.60.843.50.8
road and skidding road30.11.614.11.118.41.76.60.816.32.316.50.6
road and cable line2.70.62.70.523.31.828.81.413.02.113.60.5
road and flight path0.0.0.0.7.81.133.61.529.12.912.20.5
no access intended9.11.06.50.823.11.814.71.140.03.114.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.114.93.33.52.412.22.3
road and skidding road36.911.10.0.23.914.93.51.75.22.97.91.9
road and cable line21.59.50.0.25.515.537.14.514.54.728.63.2
road and flight path10.47.00.0.23.714.837.54.571.46.143.83.5
no access intended20.89.30.0.0.0.7.02.45.43.07.51.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.63.443.44.921.91.813.01.01.50.514.50.7
road and skidding road49.13.828.04.416.61.64.30.69.01.212.20.6
road and cable line13.42.68.52.743.52.151.91.527.21.839.81.0
road and flight path0.60.62.91.75.81.023.51.349.72.123.30.8
no access intended9.32.217.13.712.11.47.30.812.71.410.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track52.01.673.71.324.71.314.60.81.70.431.20.5
road and skidding road33.51.515.31.117.61.15.30.510.81.014.50.4
road and cable line4.90.73.20.533.11.440.71.022.41.424.40.5
road and flight path0.30.20.30.26.90.828.81.045.31.717.60.4
no access intended9.30.97.50.817.61.110.60.719.91.312.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860438/326769
NFI4
forest area
rockfall 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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track57.71.776.91.327.72.017.51.31.70.944.90.8
road and skidding road30.41.614.01.118.61.76.20.816.62.516.70.6
road and cable line2.80.62.60.523.31.829.71.513.92.313.50.6
road and flight path0.0.0.0.7.31.132.21.629.03.011.20.5
no access intended9.11.06.50.823.01.814.51.238.83.213.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.113.83.33.52.511.62.3
road and skidding road36.911.10.0.23.914.93.61.85.33.08.22.0
road and cable line21.59.50.0.25.515.538.34.714.84.829.13.3
road and flight path10.47.00.0.23.714.837.84.670.96.143.93.6
no access intended20.89.30.0.0.0.6.52.45.53.17.31.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.23.443.94.921.91.813.01.01.60.514.60.7
road and skidding road49.43.828.34.516.81.64.40.69.01.212.40.7
road and cable line13.42.68.62.743.52.152.21.527.51.840.01.0
road and flight path0.60.62.91.75.91.023.11.349.72.123.10.8
no access intended9.42.216.33.611.91.47.40.812.21.410.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.51.673.91.324.81.315.00.81.70.431.70.5
road and skidding road33.81.515.31.117.71.25.10.510.81.114.70.4
road and cable line5.00.73.10.533.41.441.71.123.11.424.60.5
road and flight path0.30.20.30.26.70.827.81.045.61.717.00.4
no access intended9.40.97.40.817.31.210.40.718.81.312.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860439/326770
NFI4
forest area
rockfall 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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track57.71.776.91.328.42.020.81.52.41.248.10.8
road and skidding road30.41.614.01.119.01.77.51.021.43.217.80.7
road and cable line2.80.62.60.523.71.934.01.817.12.913.70.6
road and flight path0.0.0.0.6.51.125.21.636.33.88.40.5
no access intended9.11.06.50.822.41.812.51.222.83.311.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.114.23.43.62.511.82.4
road and skidding road36.911.10.0.23.914.93.81.85.43.18.42.0
road and cable line21.59.50.0.25.515.538.44.715.04.929.23.3
road and flight path10.47.00.0.23.714.837.94.770.46.243.73.6
no access intended20.89.30.0.0.0.5.72.35.63.16.91.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.23.443.94.922.01.813.11.01.60.514.90.7
road and skidding road49.43.828.34.516.81.64.50.69.21.312.50.7
road and cable line13.42.68.62.743.52.152.41.528.81.940.51.0
road and flight path0.60.62.91.75.91.022.91.349.52.122.60.8
no access intended9.42.216.33.611.71.47.10.810.81.39.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.51.673.91.325.21.316.10.81.90.533.30.5
road and skidding road33.81.515.31.118.01.25.60.511.51.215.40.5
road and cable line5.00.73.10.533.71.444.61.125.31.525.20.5
road and flight path0.30.20.30.26.30.724.61.048.21.815.40.4
no access intended9.40.97.40.816.91.29.10.713.01.210.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860440/326771
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track31.550.0.1.43732.95
road and skidding road13.0110.0.0.210013.210
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.2410.0.0.21001.437
total45.720.0.1.83347.52
AIroad and skidding track1.7310.0.1.8283.517
road and skidding road0.0.0.0.0.21000.2100
road and cable line0.21000.0.0.4720.657
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6570.0.0.4681.041
total2.5240.0.2.8205.310
ARroad and skidding track3.3210.0.1.6324.915
road and skidding road1.1400.0.1.0382.127
road and cable line0.3710.0.0.3690.648
road and flight path0.5670.0.0.0.0.567
no access intended0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEroad and skidding track51.451.24125.4878.14
road and skidding road17.3100.47115.21132.97
road and cable line10.6132.03225.1837.77
road and flight path4.2220.0.3.4247.616
no access intended5.9181.0455.81812.712
total89.344.62175.04168.91
BL/BSroad and skidding track10.9100.31002.23013.48
road and skidding road4.5200.0.0.6565.119
road and cable line0.7580.21000.7571.637
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.572
total16.360.5723.62220.43
FRroad and skidding track15.790.0.3.32419.08
road and skidding road5.9180.0.4.1219.913
road and cable line3.4230.0.6.0169.512
road and flight path0.9490.0.0.6591.538
no access intended1.1450.0.0.4711.438
total27.050.0.14.4941.43
GEroad and skidding track2.7190.0.0.0.2.719
road and skidding road1.0570.0.0.0.1.057
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLroad and skidding track1.3370.21000.4711.931
road and skidding road0.21000.0.0.4710.658
road and cable line1.5351.4362.7255.616
road and flight path1.0440.21001.4372.527
no access intended1.9310.5572.1294.618
total6.0162.3276.91415.26
GRroad and skidding track14.6110.0.11.51326.18
road and skidding road6.6170.4716.51713.512
road and cable line24.193.22553.9581.24
road and flight path6.0180.8507.71614.511
no access intended18.5102.13015.51136.27
total69.856.51795.23171.52
JUroad and skidding track11.9110.4703.72216.08
road and skidding road8.4130.4715.41814.29
road and cable line0.0.0.0.0.4700.470
road and flight path0.0.0.0.0.0.0.0.
no access intended1.6350.4700.8502.726
total21.961.24010.31233.43
LUroad and skidding track17.980.0.3.42321.37
road and skidding road9.3130.0.1.53710.812
road and cable line4.7190.0.2.4287.115
road and flight path0.21000.0.0.0.0.2100
no access intended0.6570.0.0.4711.044
total32.840.0.7.61540.42
NEroad and skidding track15.290.21002.03017.57
road and skidding road7.8140.0.1.3389.013
road and cable line0.4700.0.0.21000.558
road and flight path0.21000.0.0.0.0.2100
no access intended0.6590.0.0.21000.851
total24.150.21003.62128.03
NWroad and skidding track0.6590.0.0.9491.536
road and skidding road0.4720.0.0.4670.848
road and cable line1.8330.21002.0314.119
road and flight path1.3420.0.0.5711.934
no access intended0.0.0.0.0.0.0.0.
total4.3180.21003.8208.27
OWroad and skidding track0.8450.0.0.21001.041
road and skidding road1.4350.21001.6353.223
road and cable line4.4200.0.4.0208.512
road and flight path2.8240.11002.8255.716
no access intended0.4710.0.0.21000.658
total9.9110.3728.81119.04
SGroad and skidding track13.0110.210010.91224.17
road and skidding road3.9230.4716.01810.213
road and cable line1.6350.6589.11411.312
road and flight path1.4380.0.0.9502.330
no access intended2.4290.21002.6285.219
total22.481.53829.4653.33
SHroad and skidding track10.660.0.0.46911.05
road and skidding road1.3390.0.0.0.1.339
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOroad and skidding track21.060.21001.14122.46
road and skidding road6.7150.21000.8517.814
road and cable line0.6590.21000.21001.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7570.21000.0.0.950
total29.030.9502.13032.12
SZroad and skidding track4.2210.0.1.3405.418
road and skidding road1.6350.0.1.8333.523
road and cable line5.4170.7567.41413.49
road and flight path2.5280.0.1.3383.822
no access intended1.6350.0.0.8492.428
total15.390.75612.61028.54
TGroad and skidding track15.360.0.1.43516.85
road and skidding road2.2280.0.0.8453.024
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.21000.473
total17.740.0.2.42620.12
TIroad and skidding track5.4190.8507.71613.911
road and skidding road0.8500.21004.1225.120
road and cable line1.8330.85016.01118.610
road and flight path0.8500.8506.5178.115
no access intended16.9105.41953.3575.54
total25.688.01587.73121.32
URroad and skidding track1.2400.4720.21001.832
road and skidding road0.4710.0.1.0441.437
road and cable line0.21000.8502.9233.919
road and flight path1.9311.4371.2414.519
no access intended3.2240.4710.7494.320
total6.8153.0246.01415.86
VDroad and skidding track49.450.0.7.41656.94
road and skidding road16.5100.0.1.73318.29
road and cable line2.4290.0.7.2169.614
road and flight path1.0450.21000.6581.833
no access intended5.4190.4713.3249.114
total74.730.65820.2995.62
VSroad and skidding track7.5161.53511.31220.39
road and skidding road2.2300.4713.5236.118
road and cable line7.3162.13027.9737.26
road and flight path7.2161.63515.31124.18
no access intended10.1141.43814.51126.18
total34.377.01672.53113.82
ZGroad and skidding track1.1390.0.0.8411.926
road and skidding road2.0270.0.0.5672.422
road and cable line0.21000.0.1.2321.431
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.3170.0.2.5205.76
ZHroad and skidding track37.240.0.0.47137.64
road and skidding road7.3160.0.0.4727.715
road and cable line2.7270.0.0.8503.523
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandroad and skidding track345.625.519100.84451.92
road and skidding road121.642.62858.96183.13
road and cable line74.4512.213170.73257.32
road and flight path32.085.02042.3779.45
no access intended73.7512.113101.64187.43
total647.4137.57474.211159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #860441/326772
NFI4
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track57.41.776.61.326.91.916.41.21.40.743.30.8
road and skidding road30.41.613.91.118.11.75.80.814.32.116.10.6
road and cable line2.80.62.60.523.21.828.31.511.71.913.20.5
road and flight path0.10.10.10.17.41.133.21.526.52.711.90.5
no access intended9.31.06.70.824.41.816.31.246.13.015.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.113.23.13.32.311.12.2
road and skidding road36.911.10.0.23.914.93.31.65.02.87.51.8
road and cable line21.59.50.0.25.515.535.04.315.44.727.73.1
road and flight path10.47.00.0.23.714.839.44.467.96.144.13.4
no access intended20.89.30.0.0.0.9.12.68.43.69.62.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.13.443.44.921.71.812.61.01.50.514.20.7
road and skidding road49.13.828.04.416.71.64.30.68.61.112.00.6
road and cable line13.42.68.52.743.12.151.01.526.11.739.10.9
road and flight path0.60.62.91.76.51.024.61.348.22.023.70.8
no access intended9.92.317.13.712.11.47.60.815.61.511.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.31.673.71.324.31.314.30.71.60.430.60.5
road and skidding road33.71.515.21.117.41.14.90.510.01.014.20.4
road and cable line4.90.73.10.533.21.440.21.021.31.324.00.5
road and flight path0.40.20.30.27.10.829.21.043.21.617.70.4
no access intended9.60.97.70.818.11.211.50.723.91.413.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860442/326773
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track31.550.0.1.43732.95
road and skidding road13.0110.0.0.210013.210
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.4380.0.0.21001.635
total45.920.0.1.83347.72
AIroad and skidding track1.7310.0.1.8283.517
road and skidding road0.0.0.0.0.21000.2100
road and cable line0.21000.0.0.4720.657
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6570.0.0.4681.041
total2.5240.0.2.8205.310
ARroad and skidding track3.3210.0.1.6324.915
road and skidding road1.1400.0.1.0382.127
road and cable line0.3710.0.0.3690.648
road and flight path0.5670.0.0.0.0.567
no access intended0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEroad and skidding track52.251.24126.0879.54
road and skidding road17.5100.47115.81133.77
road and cable line10.6132.03225.5838.16
road and flight path4.6210.0.3.4248.015
no access intended6.3181.0455.81813.112
total91.144.62176.64172.31
BL/BSroad and skidding track10.9100.31002.23013.48
road and skidding road4.5200.0.0.6565.119
road and cable line0.7580.21000.7571.637
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.572
total16.360.5723.62220.43
FRroad and skidding track15.790.0.3.32419.08
road and skidding road6.1170.0.4.12110.113
road and cable line3.4230.0.6.2169.612
road and flight path0.9490.0.0.6591.538
no access intended1.1450.0.0.4711.438
total27.250.0.14.6941.72
GEroad and skidding track2.7190.0.0.0.2.719
road and skidding road1.0570.0.0.0.1.057
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLroad and skidding track1.6350.21000.4712.129
road and skidding road0.21000.0.0.4710.658
road and cable line1.5351.4362.7255.616
road and flight path1.0440.21001.4372.527
no access intended1.9310.5572.1294.618
total6.2162.3276.91415.46
GRroad and skidding track15.2110.0.11.71326.98
road and skidding road6.6170.4716.91713.912
road and cable line24.593.42454.1582.04
road and flight path6.2181.0457.71614.911
no access intended19.9102.13016.11138.27
total72.446.91796.53175.82
JUroad and skidding track12.1110.4703.72216.28
road and skidding road8.4130.4715.41814.29
road and cable line0.0.0.0.0.4700.470
road and flight path0.0.0.0.0.0.0.0.
no access intended1.6350.4700.8502.726
total22.161.24010.31233.52
LUroad and skidding track18.580.0.3.42321.97
road and skidding road9.5130.0.1.53711.012
road and cable line4.7190.0.2.4287.115
road and flight path0.21000.0.0.0.0.2100
no access intended0.6570.0.0.4711.044
total33.540.0.7.61541.22
NEroad and skidding track15.480.21002.22817.87
road and skidding road7.8140.0.1.3389.013
road and cable line0.4700.0.0.21000.558
road and flight path0.21000.0.0.0.0.2100
no access intended0.8510.0.0.21001.045
total24.550.21003.82128.63
NWroad and skidding track0.6590.0.0.9491.536
road and skidding road0.4720.0.0.4670.848
road and cable line1.8330.21002.0314.119
road and flight path1.3420.0.0.5711.934
no access intended0.0.0.0.0.0.0.0.
total4.3180.21003.8208.27
OWroad and skidding track0.8450.0.0.21001.041
road and skidding road1.4350.21001.6353.223
road and cable line4.4200.0.4.0208.512
road and flight path2.8240.11002.8255.716
no access intended0.4710.0.0.21000.658
total9.9110.3728.81119.04
SGroad and skidding track13.0110.210011.01224.37
road and skidding road4.3210.4716.81611.512
road and cable line1.6350.6589.11411.312
road and flight path1.4380.0.0.9502.330
no access intended2.4290.21002.8275.419
total22.881.53830.6654.83
SHroad and skidding track10.660.0.0.46911.05
road and skidding road1.3390.0.0.0.1.339
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOroad and skidding track21.260.21001.43822.86
road and skidding road6.7150.21000.8517.814
road and cable line0.6590.21000.21001.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7570.21000.0.0.950
total29.230.9502.32932.52
SZroad and skidding track4.2210.0.1.3405.418
road and skidding road2.0310.0.1.8333.922
road and cable line5.4170.7567.41413.49
road and flight path2.5280.0.1.3383.822
no access intended1.6350.0.0.8492.428
total15.790.75612.61029.04
TGroad and skidding track15.760.0.1.43517.15
road and skidding road2.2280.0.0.8453.024
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.21000.473
total18.140.0.2.42620.53
TIroad and skidding track5.6190.8507.71614.111
road and skidding road0.8500.21004.3225.319
road and cable line1.8330.85016.21018.810
road and flight path0.8500.8506.7178.315
no access intended17.2105.41954.3576.94
total26.288.01589.23123.42
URroad and skidding track1.2400.4720.21001.832
road and skidding road0.4710.0.1.0441.437
road and cable line0.21000.8502.9233.919
road and flight path1.9311.4371.2414.519
no access intended3.6220.4710.7494.719
total7.3143.0246.01416.35
VDroad and skidding track50.450.0.7.61558.04
road and skidding road16.7100.0.1.93118.69
road and cable line2.4290.0.7.2169.614
road and flight path1.2410.21000.6582.032
no access intended6.0180.4713.3249.714
total76.830.65820.6997.92
VSroad and skidding track7.7161.53511.31220.59
road and skidding road2.2300.4713.5236.118
road and cable line7.3162.13027.9737.26
road and flight path7.8161.63515.31124.78
no access intended10.3141.43814.51126.28
total35.377.01672.53114.82
ZGroad and skidding track1.1390.0.0.8411.926
road and skidding road2.0270.0.0.5672.422
road and cable line0.21000.0.1.4281.628
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.3170.0.2.6185.95
ZHroad and skidding track37.240.0.0.47137.64
road and skidding road7.3160.0.0.4727.715
road and cable line2.7270.0.0.8503.523
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandroad and skidding track350.125.519102.34458.02
road and skidding road123.342.62861.16186.93
road and cable line74.8512.413171.93259.02
road and flight path33.485.21942.5781.15
no access intended77.5512.113103.34192.93
total659.1137.97481.011178.01
© WSL, Swiss National Forest Inventory, 18.06.2020 #860443/326774
NFI4
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %±
n/aroad and skidding track57.81.776.41.326.51.815.21.11.30.741.80.7
road and skidding road30.11.614.11.117.91.66.00.714.02.015.80.6
road and cable line2.70.62.60.523.11.727.01.311.01.813.30.5
road and flight path0.10.10.10.17.91.134.51.426.52.613.00.5
no access intended9.31.06.80.824.71.817.21.247.12.916.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track10.47.0100.0.27.016.113.63.13.32.311.42.2
road and skidding road36.911.10.0.23.914.93.21.65.02.87.41.8
road and cable line21.59.50.0.25.515.534.74.215.44.727.63.1
road and flight path10.47.00.0.23.714.839.84.467.96.144.23.4
no access intended20.89.30.0.0.0.8.82.58.43.69.42.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track27.53.443.04.821.51.712.71.01.40.514.20.7
road and skidding road48.93.827.84.416.61.64.20.68.61.111.90.6
road and cable line13.32.68.42.743.12.150.91.526.01.739.00.9
road and flight path0.60.62.91.66.41.024.51.348.02.023.60.8
no access intended9.82.317.93.712.41.47.70.815.91.511.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.71.673.41.324.11.313.90.71.50.430.10.5
road and skidding road33.41.515.31.117.31.15.00.510.01.014.00.4
road and cable line4.90.73.20.532.81.438.91.020.81.323.80.5
road and flight path0.40.20.30.27.30.830.00.942.71.618.10.4
no access intended9.60.97.80.818.51.112.20.725.01.314.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860444/326775
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track32.250.0.1.33733.44
road and skidding road12.4100.0.0.210012.610
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.3380.0.0.21001.435
total45.920.0.1.63347.52
AIroad and skidding track1.6300.0.1.9243.516
road and skidding road0.11000.0.0.3720.458
road and cable line0.21000.0.0.3720.557
road and flight path0.0.0.0.0.0.0.0.
no access intended0.5570.0.0.5551.037
total2.4230.0.3.0165.48
ARroad and skidding track3.4200.0.1.4324.815
road and skidding road1.2360.0.0.9382.126
road and cable line0.4570.0.0.5590.940
road and flight path0.4680.0.0.0.0.468
no access intended0.0.0.0.0.0.0.0.
total5.5120.0.2.8208.36
BEroad and skidding track50.251.14125.5876.74
road and skidding road16.7100.37116.81033.97
road and cable line10.2131.93027.5739.66
road and flight path4.2200.21003.1237.515
no access intended6.5160.9456.01713.411
total87.834.42078.84171.11
BL/BSroad and skidding track10.8100.31002.42713.58
road and skidding road4.6190.0.0.5565.118
road and cable line0.7590.21000.6581.438
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.472
total16.460.4723.72120.53
FRroad and skidding track15.090.21003.12318.47
road and skidding road5.8160.0.4.51910.312
road and cable line3.5210.0.6.2159.711
road and flight path0.8490.0.0.9451.733
no access intended1.1410.0.0.3711.435
total26.250.210015.1941.42
GEroad and skidding track2.8170.0.0.0.2.817
road and skidding road0.9570.0.0.0.0.957
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLroad and skidding track1.6330.21000.5582.227
road and skidding road0.21000.0.0.3710.558
road and cable line2.1271.3372.6256.015
road and flight path1.0410.21001.2382.426
no access intended1.8300.5572.3264.617
total6.8142.1276.91315.76
GRroad and skidding track15.0110.210012.31227.48
road and skidding road7.2150.4716.91614.511
road and cable line24.183.02453.6580.74
road and flight path6.1170.9457.81514.811
no access intended19.992.42715.21037.66
total72.246.91695.93175.01
JUroad and skidding track12.3100.4703.52116.28
road and skidding road8.4130.4715.11713.99
road and cable line0.0.0.0.0.5570.557
road and flight path0.0.0.0.0.0.0.0.
no access intended1.8310.4700.7502.824
total22.561.1409.91133.42
LUroad and skidding track18.580.0.3.22221.77
road and skidding road9.5120.0.1.23710.711
road and cable line4.6170.0.2.2276.814
road and flight path0.4700.0.0.0.0.470
no access intended0.9440.0.0.3711.237
total33.840.0.7.01440.82
NEroad and skidding track15.080.21002.22717.47
road and skidding road8.1130.0.1.3359.512
road and cable line0.3700.0.0.21000.557
road and flight path0.21000.0.0.0.0.2100
no access intended0.9450.0.0.3711.337
total24.540.21004.01928.83
NWroad and skidding track0.6590.0.0.8491.436
road and skidding road0.4720.0.0.3670.748
road and cable line1.5340.4712.4264.316
road and flight path1.3380.0.0.4711.832
no access intended0.0.0.21000.0.0.2100
total3.8180.5574.0188.36
OWroad and skidding track1.0410.0.0.21001.138
road and skidding road1.7310.21001.5353.422
road and cable line4.3190.21004.1198.611
road and flight path3.0230.11002.8256.015
no access intended0.4710.0.0.21000.658
total10.3110.5598.81119.64
SGroad and skidding track13.0110.210011.41124.77
road and skidding road4.3200.3716.31610.912
road and cable line1.8310.5589.31311.611
road and flight path1.3380.0.0.8502.030
no access intended2.5270.21002.9255.717
total23.081.23830.7654.93
SHroad and skidding track10.660.0.0.55711.15
road and skidding road1.1390.0.0.0.1.139
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.740.0.0.55712.23
SOroad and skidding track20.660.21001.23822.06
road and skidding road6.5150.21000.9457.613
road and cable line0.9450.21000.4721.535
road and flight path0.0.0.0.0.0.0.0.
no access intended1.2400.21000.0.1.437
total29.230.8502.42732.42
SZroad and skidding track4.3190.0.2.2276.515
road and skidding road2.0300.0.1.6333.622
road and cable line5.0170.5567.21412.79
road and flight path2.4270.0.1.2383.622
no access intended1.4350.0.0.9442.327
total15.190.55613.1928.73
TGroad and skidding track15.660.0.1.43217.05
road and skidding road2.0280.0.0.7442.723
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.4700.558
total17.740.0.2.52320.23
TIroad and skidding track5.0190.7507.41513.111
road and skidding road0.9450.21004.2215.318
road and cable line1.6330.94415.81018.39
road and flight path1.1411.2386.4178.614
no access intended17.1105.11855.5477.73
total25.688.11489.33123.02
URroad and skidding track1.1390.5580.21001.830
road and skidding road0.3710.0.0.9441.337
road and cable line0.5580.7502.8224.118
road and flight path2.1281.5341.4355.017
no access intended3.2220.3710.9444.419
total7.3133.1236.21416.65
VDroad and skidding track49.850.21007.61557.54
road and skidding road17.290.0.1.93019.19
road and cable line2.5270.0.7.0159.513
road and flight path1.1410.21000.6581.832
no access intended5.7170.4713.7229.813
total76.330.75020.8897.82
VSroad and skidding track8.1141.53311.51221.18
road and skidding road2.1290.4713.3235.817
road and cable line7.3151.93027.0736.26
road and flight path7.9151.43515.21024.68
no access intended11.3121.43514.21026.97
total36.866.61671.33114.72
ZGroad and skidding track1.0390.0.0.8411.826
road and skidding road2.0250.0.0.4682.421
road and cable line0.4680.0.1.4281.726
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.4150.0.2.6186.05
ZHroad and skidding track37.240.0.0.47137.64
road and skidding road6.8150.0.0.4717.215
road and cable line2.8250.0.0.8503.622
road and flight path0.0.0.0.0.0.0.0.
no access intended0.5580.0.0.0.0.558
total47.420.0.1.53548.92
Switzerlandroad and skidding track346.225.818103.04455.11
road and skidding road122.542.32860.55185.33
road and cable line74.8511.812172.23258.72
road and flight path33.275.61841.8680.64
no access intended78.5512.012104.74195.13
total655.2137.57482.311174.90
© WSL, Swiss National Forest Inventory, 18.06.2020 #860445/326776
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track31.550.0.1.43732.95
road and skidding road13.0110.0.0.210013.210
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.2410.0.0.21001.437
total45.720.0.1.83347.52
AIroad and skidding track1.7310.0.1.8283.517
road and skidding road0.0.0.0.0.21000.2100
road and cable line0.21000.0.0.4720.657
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6570.0.0.4681.041
total2.5240.0.2.8205.310
ARroad and skidding track3.3210.0.1.6324.915
road and skidding road1.1400.0.1.0382.127
road and cable line0.3710.0.0.3690.648
road and flight path0.5670.0.0.0.0.567
no access intended0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEroad and skidding track51.451.24125.4878.14
road and skidding road17.3100.47115.21132.97
road and cable line10.6132.03225.1837.77
road and flight path6.0180.0.3.4249.414
no access intended8.1161.0455.81814.911
total93.444.62175.04172.91
BL/BSroad and skidding track10.9100.31002.23013.48
road and skidding road4.5200.0.0.6565.119
road and cable line0.7580.21000.7571.637
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.572
total16.360.5723.62220.43
FRroad and skidding track15.790.0.3.32419.08
road and skidding road5.9180.0.4.1219.913
road and cable line3.4230.0.6.0169.512
road and flight path0.9490.0.0.6591.538
no access intended1.1450.0.0.6581.636
total27.050.0.14.6941.63
GEroad and skidding track2.7190.0.0.0.2.719
road and skidding road1.0570.0.0.0.1.057
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLroad and skidding track1.3370.21000.4711.931
road and skidding road0.21000.0.0.4710.658
road and cable line1.9311.4362.7256.015
road and flight path1.6350.21001.4373.124
no access intended4.2200.5572.1296.915
total9.3122.3276.91418.55
GRroad and skidding track14.8110.0.11.71326.58
road and skidding road6.6170.4716.71713.712
road and cable line26.283.22554.1583.44
road and flight path8.6150.8507.71617.111
no access intended35.072.32917.31054.76
total91.146.71797.63195.42
JUroad and skidding track11.9110.4703.72216.08
road and skidding road8.4130.4715.41814.29
road and cable line0.0.0.0.0.4700.470
road and flight path0.0.0.0.0.0.0.0.
no access intended1.6350.4700.8502.726
total21.961.24010.31233.43
LUroad and skidding track18.180.0.3.42321.57
road and skidding road9.3130.0.1.53710.812
road and cable line4.7190.0.2.4287.115
road and flight path0.21000.0.0.0.0.2100
no access intended0.8490.0.0.4711.241
total33.140.0.7.61540.82
NEroad and skidding track15.290.21002.03017.57
road and skidding road7.8140.0.1.3389.013
road and cable line0.4700.0.0.21000.558
road and flight path0.21000.0.0.0.0.2100
no access intended0.6590.0.0.21000.851
total24.150.21003.62128.03
NWroad and skidding track0.6590.0.0.9491.536
road and skidding road0.4720.0.0.4670.848
road and cable line1.8330.21002.0314.119
road and flight path1.3420.0.0.5711.934
no access intended0.0.0.0.0.0.0.0.
total4.3180.21003.8208.27
OWroad and skidding track0.8450.0.0.21001.041
road and skidding road1.4350.21001.6353.223
road and cable line4.4200.0.4.0208.512
road and flight path2.8240.11002.8255.716
no access intended0.8500.0.0.21001.045
total10.3110.3728.81119.44
SGroad and skidding track13.0110.210010.91224.17
road and skidding road3.9230.4716.01810.213
road and cable line1.8330.6589.31411.712
road and flight path1.4380.0.0.9502.330
no access intended4.2220.21002.6287.117
total24.481.53829.6655.53
SHroad and skidding track10.660.0.0.46911.05
road and skidding road1.3390.0.0.0.1.339
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOroad and skidding track21.060.21001.14122.46
road and skidding road6.7150.21000.8517.814
road and cable line0.6590.21000.21001.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7570.21000.0.0.950
total29.030.9502.13032.12
SZroad and skidding track4.2210.0.1.3405.418
road and skidding road1.6350.0.1.8333.523
road and cable line5.4170.7567.41413.49
road and flight path2.5280.0.1.3383.822
no access intended1.6350.0.0.8492.428
total15.390.75612.61028.54
TGroad and skidding track15.360.0.1.43516.85
road and skidding road2.2280.0.0.8453.024
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.21000.473
total17.740.0.2.42620.12
TIroad and skidding track5.6190.8507.91514.311
road and skidding road0.8500.21004.5215.519
road and cable line1.8330.85016.01118.610
road and flight path1.0450.8506.9178.715
no access intended25.085.61958.5589.13
total34.178.21593.93136.22
URroad and skidding track1.2400.4720.21001.832
road and skidding road0.4710.0.1.0441.437
road and cable line0.3700.8502.9234.019
road and flight path2.5271.6341.5355.617
no access intended4.9190.4711.3376.616
total9.3133.2247.01319.56
VDroad and skidding track49.450.0.7.41656.94
road and skidding road16.7100.0.1.73318.49
road and cable line2.4290.0.7.2169.614
road and flight path1.0450.21000.6581.833
no access intended6.2180.4713.3249.914
total75.830.65820.2996.62
VSroad and skidding track7.5161.53511.31220.39
road and skidding road2.4290.4713.5236.317
road and cable line7.7162.32927.9737.96
road and flight path8.8151.63515.51125.98
no access intended14.0121.43814.71130.17
total40.467.21672.93120.62
ZGroad and skidding track1.1390.0.0.8411.926
road and skidding road2.0270.0.0.5672.422
road and cable line0.21000.0.1.2321.431
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.3170.0.2.5205.76
ZHroad and skidding track37.240.0.0.47137.64
road and skidding road7.3160.0.0.4727.715
road and cable line2.7270.0.0.8503.523
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandroad and skidding track346.225.519101.24452.92
road and skidding road122.142.62859.56184.13
road and cable line77.6512.413171.23261.22
road and flight path39.475.21943.2787.85
no access intended111.7412.512109.64233.83
total697.0138.37484.611219.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #860446/326777
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track30.950.0.1.43732.35
road and skidding road12.8110.0.0.210013.011
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.2410.0.0.21001.437
total44.920.0.1.83346.72
AIroad and skidding track1.5330.0.1.8283.317
road and skidding road0.0.0.0.0.21000.2100
road and cable line0.21000.0.0.4720.657
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6570.0.0.4681.041
total2.3250.0.2.8205.19
ARroad and skidding track3.3210.0.1.6324.915
road and skidding road1.1400.0.1.0382.127
road and cable line0.3710.0.0.3690.648
road and flight path0.5670.0.0.0.0.567
no access intended0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEroad and skidding track49.651.24125.1875.94
road and skidding road16.7110.47115.01132.17
road and cable line9.8141.83324.3835.97
road and flight path2.8260.0.3.2256.018
no access intended4.6211.0455.61911.213
total83.544.42173.24161.11
BL/BSroad and skidding track10.5100.31002.03212.79
road and skidding road4.2210.0.0.6564.819
road and cable line0.7580.21000.7571.637
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.572
total15.760.5723.42319.64
FRroad and skidding track15.390.0.3.32418.68
road and skidding road5.9180.0.3.9229.713
road and cable line3.2230.0.5.9169.113
road and flight path0.7560.0.0.6591.341
no access intended0.8510.0.0.21001.045
total25.950.0.13.81039.73
GEroad and skidding track2.3250.0.0.0.2.325
road and skidding road0.8660.0.0.0.0.866
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLroad and skidding track1.2410.21000.4711.733
road and skidding road0.21000.0.0.4710.658
road and cable line1.1401.4362.7255.217
road and flight path1.0440.21001.4372.527
no access intended1.4370.5571.8323.721
total4.9182.3276.61413.87
GRroad and skidding track13.6120.0.10.01423.59
road and skidding road4.9200.4715.71811.113
road and cable line20.092.82650.8573.64
road and flight path3.2250.6586.91710.713
no access intended12.4121.53511.71225.68
total54.255.31985.03144.52
JUroad and skidding track11.5110.4703.72215.69
road and skidding road8.4130.4715.41814.29
road and cable line0.0.0.0.0.4700.470
road and flight path0.0.0.0.0.0.0.0.
no access intended1.4380.4700.8502.527
total21.361.24010.31232.83
LUroad and skidding track17.780.0.3.42321.17
road and skidding road9.3130.0.1.53710.812
road and cable line4.1210.0.2.4286.516
road and flight path0.21000.0.0.0.0.2100
no access intended0.6570.0.0.21000.849
total31.940.0.7.41539.43
NEroad and skidding track14.490.21002.03016.78
road and skidding road7.8140.0.1.3389.013
road and cable line0.4700.0.0.21000.558
road and flight path0.21000.0.0.0.0.2100
no access intended0.6590.0.0.21000.851
total23.450.21003.62127.33
NWroad and skidding track0.4720.0.0.6581.143
road and skidding road0.4720.0.0.4670.848
road and cable line1.6360.21002.0313.820
road and flight path1.1480.0.0.5711.637
no access intended0.0.0.0.0.0.0.0.
total3.5210.21003.5217.29
OWroad and skidding track0.8450.0.0.21001.041
road and skidding road1.4350.21001.6353.223
road and cable line4.0200.0.4.0208.112
road and flight path2.4260.11002.6265.217
no access intended0.4710.0.0.21000.658
total9.1120.3728.71118.14
SGroad and skidding track11.8120.210010.51222.58
road and skidding road3.9230.4715.71810.013
road and cable line1.2410.6588.41510.213
road and flight path1.2410.0.0.9502.131
no access intended2.0310.21001.7354.022
total20.191.53827.2748.84
SHroad and skidding track10.660.0.0.46911.05
road and skidding road1.3390.0.0.0.1.339
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOroad and skidding track20.560.21001.14121.96
road and skidding road6.7150.21000.8517.814
road and cable line0.6590.21000.21001.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7570.21000.0.0.950
total28.530.9502.13031.62
SZroad and skidding track3.6230.0.0.9494.420
road and skidding road1.6350.0.1.4383.025
road and cable line5.2180.7567.01512.89
road and flight path1.7350.0.1.3383.025
no access intended1.4380.0.0.8492.229
total13.5100.75611.41125.54
TGroad and skidding track14.860.0.1.43516.25
road and skidding road2.2280.0.0.8453.024
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.21000.473
total17.250.0.2.42619.63
TIroad and skidding track4.4210.8507.01712.212
road and skidding road0.6580.21003.5244.322
road and cable line1.8330.85015.31117.910
road and flight path0.21000.8506.2187.117
no access intended9.3144.62144.4558.44
total16.3107.31676.3399.92
URroad and skidding track0.8490.21000.21001.339
road and skidding road0.4710.0.0.9491.240
road and cable line0.21000.8502.9233.919
road and flight path1.6351.2401.0453.821
no access intended1.9300.21000.7492.824
total4.8182.4275.71512.96
VDroad and skidding track44.950.0.7.21652.24
road and skidding road15.1110.0.1.73316.810
road and cable line1.8330.0.6.8168.614
road and flight path0.8500.21000.6581.635
no access intended4.8200.4713.3248.515
total67.530.65819.6987.72
VSroad and skidding track6.5171.53510.51318.59
road and skidding road1.2410.4713.5235.119
road and cable line5.8182.13026.5734.46
road and flight path4.3211.63514.51120.59
no access intended6.6171.24112.71220.59
total24.586.81667.7499.02
ZGroad and skidding track0.9430.0.0.8411.727
road and skidding road1.8290.0.0.5672.323
road and cable line0.21000.0.1.2321.431
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total2.9190.0.2.5205.48
ZHroad and skidding track36.540.0.0.47137.04
road and skidding road7.3160.0.0.4727.715
road and cable line2.7270.0.0.8503.523
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total47.120.0.1.63548.82
Switzerlandroad and skidding track328.625.42095.84429.72
road and skidding road116.042.62856.26174.83
road and cable line65.0511.613162.93239.52
road and flight path22.0104.72039.8766.45
no access intended51.9610.31485.24147.53
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #860447/326778
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track31.550.0.1.43732.95
road and skidding road13.0110.0.0.210013.210
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.4380.0.0.21001.635
total45.920.0.1.83347.72
AIroad and skidding track1.7310.0.1.8283.517
road and skidding road0.0.0.0.0.21000.2100
road and cable line0.21000.0.0.4720.657
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6570.0.0.4681.041
total2.5240.0.2.8205.310
ARroad and skidding track3.3210.0.1.6324.915
road and skidding road1.1400.0.1.0382.127
road and cable line0.3710.0.0.3690.648
road and flight path0.5670.0.0.0.0.567
no access intended0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEroad and skidding track52.251.24126.0879.54
road and skidding road17.5100.47115.81133.77
road and cable line10.6132.03225.5838.16
road and flight path6.2180.0.3.4249.614
no access intended8.5151.0455.81815.311
total94.934.62176.64176.11
BL/BSroad and skidding track10.9100.31002.23013.48
road and skidding road4.5200.0.0.6565.119
road and cable line0.7580.21000.7571.637
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.572
total16.360.5723.62220.43
FRroad and skidding track15.790.0.3.32419.08
road and skidding road6.1170.0.4.12110.113
road and cable line3.4230.0.6.2169.612
road and flight path0.9490.0.0.6591.538
no access intended1.1450.0.0.6581.636
total27.250.0.14.8941.93
GEroad and skidding track2.7190.0.0.0.2.719
road and skidding road1.0570.0.0.0.1.057
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLroad and skidding track1.6350.21000.4712.129
road and skidding road0.21000.0.0.4710.658
road and cable line1.9311.4362.7256.015
road and flight path1.6350.21001.4373.124
no access intended4.2200.5572.1296.915
total9.5122.3276.91418.75
GRroad and skidding track15.2110.0.11.91227.18
road and skidding road6.6170.4716.91713.912
road and cable line26.683.42454.5584.44
road and flight path8.8151.0457.71617.510
no access intended36.672.32917.91056.85
total93.747.11698.93199.72
JUroad and skidding track12.1110.4703.72216.28
road and skidding road8.4130.4715.41814.29
road and cable line0.0.0.0.0.4700.470
road and flight path0.0.0.0.0.0.0.0.
no access intended1.6350.4700.8502.726
total22.161.24010.31233.52
LUroad and skidding track18.580.0.3.42321.97
road and skidding road9.5130.0.1.53711.012
road and cable line4.7190.0.2.4287.115
road and flight path0.21000.0.0.0.0.2100
no access intended0.8490.0.0.4711.241
total33.740.0.7.61541.42
NEroad and skidding track15.480.21002.22817.87
road and skidding road7.8140.0.1.3389.013
road and cable line0.4700.0.0.21000.558
road and flight path0.21000.0.0.0.0.2100
no access intended0.8510.0.0.21001.045
total24.550.21003.82128.63
NWroad and skidding track0.6590.0.0.9491.536
road and skidding road0.4720.0.0.4670.848
road and cable line1.8330.21002.0314.119
road and flight path1.3420.0.0.5711.934
no access intended0.0.0.0.0.0.0.0.
total4.3180.21003.8208.27
OWroad and skidding track0.8450.0.0.21001.041
road and skidding road1.4350.21001.6353.223
road and cable line4.4200.0.4.0208.512
road and flight path2.8240.11002.8255.716
no access intended0.8500.0.0.21001.045
total10.3110.3728.81119.44
SGroad and skidding track13.0110.210011.01224.37
road and skidding road4.3210.4716.81611.512
road and cable line1.8330.6589.31411.712
road and flight path1.4380.0.0.9502.330
no access intended4.2220.21002.8277.216
total24.881.53830.8657.13
SHroad and skidding track10.660.0.0.46911.05
road and skidding road1.3390.0.0.0.1.339
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOroad and skidding track21.260.21001.43822.86
road and skidding road6.7150.21000.8517.814
road and cable line0.6590.21000.21001.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7570.21000.0.0.950
total29.230.9502.32932.52
SZroad and skidding track4.2210.0.1.3405.418
road and skidding road2.0310.0.1.8333.922
road and cable line5.4170.7567.41413.49
road and flight path2.5280.0.1.3383.822
no access intended1.6350.0.0.8492.428
total15.790.75612.61029.04
TGroad and skidding track15.760.0.1.43517.15
road and skidding road2.2280.0.0.8453.024
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.21000.473
total18.140.0.2.42620.53
TIroad and skidding track5.8180.8507.91514.511
road and skidding road0.8500.21004.5215.519
road and cable line1.8330.85016.21018.810
road and flight path1.0450.8506.9178.715
no access intended25.485.61959.1590.13
total34.778.21594.73137.62
URroad and skidding track1.2400.4720.21001.832
road and skidding road0.4710.0.1.0441.437
road and cable line0.3700.8502.9234.019
road and flight path2.5271.6341.5355.617
no access intended5.6180.4711.3377.315
total10.0123.2247.01320.16
VDroad and skidding track50.450.0.7.61558.04
road and skidding road16.9100.0.1.93118.89
road and cable line2.4290.0.7.2169.614
road and flight path1.2410.21000.6582.032
no access intended6.6170.4713.32410.313
total77.630.65820.6998.72
VSroad and skidding track7.7161.53511.31220.59
road and skidding road2.4290.4713.5236.317
road and cable line7.7162.32927.9737.96
road and flight path9.2151.63515.51126.38
no access intended14.2121.43814.71130.37
total41.267.21672.93121.32
ZGroad and skidding track1.1390.0.0.8411.926
road and skidding road2.0270.0.0.5672.422
road and cable line0.21000.0.1.4281.628
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.3170.0.2.6185.95
ZHroad and skidding track37.240.0.0.47137.64
road and skidding road7.3160.0.0.4727.715
road and cable line2.7270.0.0.8503.523
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandroad and skidding track350.325.519102.74458.62
road and skidding road123.742.62861.36187.53
road and cable line78.0512.612172.53263.12
road and flight path40.475.41943.2789.05
no access intended115.7412.512110.94239.22
total708.1138.77490.611237.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #860448/326779
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