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NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.61.854.13.470.73.064.02.573.01.915.32.58.91.319.72.15.41.35.42.02.21.36.01.012.41.20.50.326.70.5
road and skidding road24.21.626.23.011.52.112.01.714.11.53.01.111.91.59.41.63.21.03.81.71.10.82.50.63.40.74.60.810.00.4
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 intended7.71.06.31.66.91.78.61.53.90.87.81.914.91.67.51.410.11.816.83.32.71.44.80.91.00.44.90.86.60.3
total78.81.488.52.189.82.086.31.894.41.040.53.551.52.249.92.640.32.947.74.431.83.830.11.944.51.821.31.555.70.6
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.40.42.41.41.30.91.00.40.40.20.30.20.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.40.30.0.0.30.30.0.0.50.50.40.30.0.0.40.20.30.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.30.33.41.16.12.15.71.91.30.50.80.31.10.40.90.1
road and flight path0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.40.73.11.52.81.43.10.71.40.45.10.81.40.2
no access intended0.50.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.41.51.10.50.50.40.30.0.0.40.20.20.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.91.413.13.011.02.66.21.02.60.67.20.93.20.2
outside perimeterroad and skidding track4.60.74.81.45.51.54.21.13.00.711.02.27.21.215.91.93.81.12.41.49.32.46.71.09.61.11.20.46.10.3
road and skidding road9.91.13.51.23.01.14.11.01.40.55.61.610.01.48.31.43.61.11.61.13.21.42.70.71.90.56.60.95.20.3
road and cable line2.70.60.90.60.40.41.40.60.50.330.33.220.91.818.62.031.32.725.23.829.63.726.51.831.31.720.61.416.70.5
road and flight path0.10.10.0.0.0.0.60.40.20.22.61.12.30.74.01.06.31.45.31.99.32.422.31.79.91.135.41.79.30.4
no access intended1.50.41.80.91.20.73.00.90.50.39.62.17.21.22.40.98.91.74.71.95.91.95.51.00.30.27.71.04.00.3
total18.91.411.02.110.22.013.31.85.61.059.13.547.72.249.22.653.82.939.24.357.24.163.71.952.91.871.41.641.10.6
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, 11.07.2020 #860353/326684
NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track45.01.854.43.370.82.963.72.572.81.915.12.59.11.319.82.15.51.35.92.02.71.35.91.011.71.20.50.226.20.5
road and skidding road24.21.525.82.911.42.111.91.714.31.53.91.311.51.49.91.63.41.03.61.61.00.73.10.73.60.74.80.810.00.4
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 intended7.50.96.61.66.81.78.81.53.90.88.11.915.51.67.21.310.01.717.33.23.11.45.50.91.00.46.50.97.00.3
total79.01.488.62.189.92.086.21.894.51.041.63.452.62.251.32.642.02.847.24.235.03.733.21.845.81.823.71.556.40.6
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.40.42.31.31.20.81.10.40.50.30.20.20.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.40.30.0.0.30.30.0.0.50.50.30.20.0.0.40.20.30.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.20.23.31.05.82.05.81.81.20.40.80.31.00.40.90.1
road and flight path0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.30.72.91.42.61.32.90.71.50.44.90.81.40.1
no access intended0.50.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.42.81.40.50.50.30.20.0.0.40.20.20.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.61.313.83.010.72.46.01.02.90.67.00.93.20.2
outside perimeterroad and skidding track4.70.74.81.45.51.54.21.13.00.710.82.17.21.215.41.83.61.12.31.38.52.26.31.09.41.11.10.45.90.3
road and skidding road9.81.13.41.23.01.14.11.01.30.55.51.69.61.38.01.43.51.01.51.02.91.32.50.61.80.56.30.95.00.3
road and cable line2.70.60.90.60.40.41.30.60.50.329.83.120.51.818.32.030.42.625.23.627.73.525.21.730.31.619.61.416.30.4
road and flight path0.10.10.0.0.0.0.60.40.20.22.61.12.30.63.91.06.41.45.01.89.82.421.51.79.51.134.71.79.20.3
no access intended1.50.41.70.91.20.73.30.90.50.39.42.17.11.22.40.88.51.65.11.95.41.85.30.90.20.27.50.93.90.2
total18.81.410.82.010.12.013.51.85.51.058.03.446.62.247.92.652.42.939.04.154.33.960.91.951.31.869.31.640.40.6
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, 11.07.2020 #860354/326685
NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track43.91.853.83.470.43.064.22.573.11.916.02.68.91.320.42.24.61.33.61.81.71.25.21.012.61.30.30.228.00.5
road and skidding road24.41.626.13.011.52.112.01.713.81.53.31.212.01.59.11.62.51.03.71.81.30.92.00.63.30.74.50.810.20.4
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 intended7.51.06.41.66.71.78.41.54.00.96.81.813.91.66.81.46.51.617.53.62.41.43.70.80.60.32.90.76.00.3
total78.31.588.22.289.42.186.31.894.31.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.00.6
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.40.42.01.41.51.01.20.50.50.30.30.20.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.40.30.0.0.40.40.0.0.60.60.40.30.0.0.50.30.30.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.30.33.51.27.42.66.42.11.50.50.80.41.30.51.00.1
road and flight path0.30.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.60.82.81.63.21.63.60.81.10.45.40.91.40.2
no access intended0.50.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.90.90.60.60.20.20.0.0.30.20.20.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.56.31.513.13.312.32.96.91.12.40.67.81.13.20.2
outside perimeterroad and skidding track4.80.84.91.45.81.64.21.13.10.711.92.37.51.216.72.03.51.21.91.310.42.77.11.19.51.21.40.56.30.3
road and skidding road10.01.13.51.23.11.24.21.01.40.56.01.810.01.48.61.53.81.21.91.33.61.62.90.82.10.66.91.05.40.3
road and cable line2.80.60.90.60.40.41.40.60.50.330.43.321.51.918.82.135.63.029.54.431.84.029.62.034.11.924.21.717.50.5
road and flight path0.10.10.0.0.0.0.60.40.20.22.81.22.50.73.81.06.81.64.62.08.92.523.11.99.91.235.51.98.70.4
no access intended1.60.51.80.91.30.73.00.90.50.39.82.27.31.22.60.99.41.93.81.94.61.95.71.00.30.27.81.13.90.3
total19.41.411.22.110.62.113.41.85.71.060.93.648.82.350.52.759.23.141.74.859.34.368.42.055.92.075.81.741.80.6
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, 11.07.2020 #860355/326686
NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.61.854.13.470.73.064.12.573.01.914.92.48.81.319.52.15.11.34.71.71.91.15.81.011.61.10.50.225.50.5
road and skidding road24.21.626.23.011.52.112.01.714.11.52.91.111.81.59.31.53.31.03.31.41.00.72.30.63.00.64.40.79.50.4
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 intended7.71.06.31.66.91.78.61.53.90.89.12.015.41.67.41.412.11.822.63.36.21.86.41.01.00.310.31.07.90.3
total78.81.488.52.189.82.086.41.894.41.041.83.451.92.250.22.643.62.851.14.041.03.733.51.849.71.726.41.457.00.5
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.40.42.11.21.20.81.00.40.40.20.20.20.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.40.30.0.0.30.30.0.0.50.50.30.20.0.0.30.20.20.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.30.33.21.05.31.84.91.61.30.40.90.31.00.30.90.1
road and flight path0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.30.62.61.32.51.23.10.71.20.44.60.71.40.1
no access intended0.50.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.41.91.10.50.50.30.20.0.0.40.20.20.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.61.311.92.79.52.26.01.02.40.56.50.83.10.2
outside perimeterroad and skidding track4.60.74.81.45.51.54.21.13.00.710.72.17.11.215.71.93.61.12.11.28.02.16.31.08.61.01.00.35.80.3
road and skidding road9.91.13.51.23.01.14.11.01.40.55.41.69.91.48.21.43.41.01.31.02.81.22.50.61.70.46.00.84.90.3
road and cable line2.70.60.90.60.40.41.40.60.50.329.53.120.81.818.72.029.62.621.73.325.63.325.21.728.21.618.51.316.00.4
road and flight path0.10.10.0.0.0.0.60.40.20.22.61.12.30.74.01.05.91.45.21.88.02.121.31.79.21.033.41.69.20.3
no access intended1.50.41.80.91.20.73.00.90.50.39.72.17.11.22.40.88.41.66.72.15.11.75.20.90.20.28.20.94.00.3
total18.91.411.02.110.22.013.31.85.61.057.93.447.32.249.02.650.92.837.03.949.53.860.51.947.91.767.11.639.90.6
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, 11.07.2020 #860356/326687
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 track52.91.670.71.319.81.28.70.74.00.729.80.5
road and skidding road23.11.317.41.111.01.03.20.40.70.310.40.4
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 intended3.30.61.70.42.80.510.10.712.91.26.30.3
total80.91.290.90.848.91.538.41.121.31.555.60.6
inside perimeterroad and skidding track0.70.30.10.10.0.0.80.20.50.30.50.1
road and skidding road0.30.20.0.0.30.20.30.10.30.20.20.1
road and cable line0.30.20.0.0.30.22.40.41.20.41.00.1
road and flight path0.0.0.0.0.10.11.00.20.80.30.40.1
no access intended0.60.20.0.0.10.11.10.24.40.71.00.1
total1.90.40.10.10.80.35.60.57.20.93.20.2
outside perimeterroad and skidding track8.50.95.70.715.11.18.00.67.20.98.90.4
road and skidding road5.80.72.40.411.41.03.90.42.70.65.10.3
road and cable line1.50.40.40.218.51.227.31.017.81.414.80.4
road and flight path0.10.10.0.3.20.57.30.65.30.83.60.2
no access intended1.30.40.50.22.20.49.50.738.51.88.70.3
total17.31.29.00.850.41.555.91.171.41.641.20.6
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 #860357/326688
NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track45.01.854.43.370.82.963.92.572.81.914.62.49.11.319.82.15.21.25.51.82.31.25.60.911.11.10.40.225.10.5
road and skidding road24.21.525.82.911.42.111.91.714.31.53.81.311.41.49.81.63.51.03.01.30.90.63.10.73.10.64.60.79.50.4
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 intended7.50.96.61.66.81.78.81.53.90.89.32.015.91.67.41.312.21.824.53.36.91.86.81.01.00.311.21.08.20.3
total79.01.488.62.189.92.086.21.894.51.042.83.452.82.251.92.545.42.853.33.843.33.536.31.851.01.728.01.457.80.5
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.30.31.91.11.10.71.10.40.50.20.20.20.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.40.20.0.0.30.30.0.0.40.40.30.20.0.0.30.20.20.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.20.23.11.04.91.75.11.61.20.40.80.30.90.30.90.1
road and flight path0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.20.62.41.22.31.22.90.71.40.44.50.71.40.1
no access intended0.50.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.32.41.20.40.40.30.20.0.0.30.20.20.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.31.311.52.59.32.15.80.92.60.56.30.83.10.2
outside perimeterroad and skidding track4.70.74.81.45.51.54.21.13.00.710.52.17.11.115.21.83.41.01.91.17.41.96.00.98.40.91.00.35.60.3
road and skidding road9.81.13.41.23.01.14.11.01.30.55.31.69.51.37.91.43.31.01.20.92.51.22.40.61.60.45.90.84.80.3
road and cable line2.70.60.90.60.40.41.30.60.50.328.93.120.31.818.02.028.62.521.13.124.23.123.91.627.11.517.81.215.60.4
road and flight path0.10.10.0.0.0.0.60.40.20.22.51.02.20.63.81.06.01.34.81.78.62.120.51.69.11.032.61.69.10.3
no access intended1.50.41.70.91.20.73.30.90.50.39.62.07.21.22.30.88.01.56.21.94.71.65.10.90.20.28.30.94.00.2
total18.81.410.82.010.12.013.51.85.51.056.83.446.52.247.32.649.32.835.23.747.43.657.81.946.31.765.71.539.10.5
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, 11.07.2020 #860358/326689
NFI4
forest area
rockfall 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
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track44.31.853.83.470.23.063.72.573.01.914.52.48.51.219.02.14.81.24.11.51.71.05.70.911.11.10.40.224.60.4
road and skidding road24.11.526.53.011.32.111.81.714.11.52.91.111.51.49.11.53.11.02.91.30.90.62.20.62.90.64.10.69.20.4
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 intended7.91.06.21.67.71.78.81.53.90.810.12.116.01.67.81.414.41.923.53.26.61.87.31.00.90.313.31.18.80.4
total78.81.488.52.189.91.986.31.894.41.042.33.451.92.249.82.645.42.751.33.838.73.434.81.849.41.728.81.456.80.5
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.30.31.81.01.00.70.90.40.50.20.20.10.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.40.30.0.0.30.30.0.0.40.40.30.20.0.0.30.20.20.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.20.23.01.04.71.64.91.61.20.40.80.31.00.30.90.1
road and flight path0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.20.62.31.24.51.63.30.71.30.44.30.71.40.1
no access intended0.50.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.34.11.50.40.40.30.20.0.0.50.20.30.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.21.213.02.611.32.36.00.92.60.56.30.83.30.2
outside perimeterroad and skidding track4.60.74.81.45.51.54.21.13.00.710.42.07.11.115.61.83.41.01.81.17.21.96.00.98.40.90.90.35.60.3
road and skidding road9.91.13.51.23.01.14.11.01.40.55.31.69.81.38.21.43.21.01.20.82.51.12.50.61.60.45.60.84.80.3
road and cable line2.70.60.90.60.40.41.30.60.50.328.73.020.71.818.72.028.42.520.33.025.13.124.01.627.41.516.91.215.60.4
road and flight path0.10.10.0.0.0.0.60.40.20.22.81.12.40.74.41.16.21.45.91.89.32.121.41.610.31.031.31.59.50.3
no access intended1.70.51.80.91.20.73.30.90.50.310.12.17.31.22.30.88.11.56.51.95.91.85.10.90.30.210.11.04.40.3
total18.91.410.92.110.11.913.41.85.61.057.33.447.32.249.42.649.42.835.73.650.03.659.11.948.01.764.91.539.90.5
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, 11.07.2020 #860359/326690
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 track44.71.854.23.370.02.963.42.572.81.914.22.38.81.219.42.04.91.24.91.62.11.15.60.910.71.00.40.224.20.4
road and skidding road24.01.526.13.011.62.111.71.714.31.53.71.211.01.49.51.53.31.02.71.20.80.63.00.73.00.64.30.79.20.3
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 intended7.81.06.51.67.61.79.01.53.90.810.32.116.91.67.81.415.51.926.73.28.21.98.41.11.00.314.41.19.30.4
total79.01.488.72.190.01.986.11.894.51.043.43.353.12.251.52.548.02.754.63.642.93.338.61.851.11.630.51.458.00.5
inside perimeterroad and skidding track0.10.10.60.60.0.0.30.30.0.0.0.0.0.0.60.40.30.31.71.01.00.71.00.40.50.20.20.10.40.1
road and skidding road0.90.30.0.0.0.0.0.0.0.0.0.0.30.20.0.0.30.30.0.0.40.40.30.20.0.0.30.20.20.1
road and cable line0.50.30.0.0.0.0.0.0.0.0.0.0.20.20.20.22.90.94.31.54.61.51.30.40.80.30.90.30.90.1
road and flight path0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.20.62.21.14.21.53.00.71.40.44.20.61.40.1
no access intended0.50.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.33.81.40.40.40.30.20.0.0.50.20.30.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.70.40.80.55.01.212.02.410.52.25.90.92.70.56.10.83.20.2
outside perimeterroad and skidding track4.60.74.71.45.41.54.11.13.00.710.22.06.91.115.11.83.21.01.71.06.71.85.60.98.20.90.90.35.50.3
road and skidding road9.71.13.41.23.01.14.11.01.30.55.21.59.51.38.01.43.10.91.10.82.31.02.40.61.50.45.40.74.60.3
road and cable line2.60.60.90.60.40.41.30.60.50.328.23.020.11.718.12.027.02.419.32.823.42.922.51.526.31.416.51.215.20.4
road and flight path0.10.10.0.0.0.0.50.40.20.22.81.12.40.64.31.05.91.35.41.78.72.020.01.59.81.030.41.59.20.3
no access intended1.60.51.70.91.20.73.51.00.50.39.92.17.41.22.30.87.81.56.01.85.51.64.90.80.40.210.11.04.40.3
total18.81.410.72.010.01.913.61.85.51.056.33.446.12.147.72.547.02.733.53.446.63.455.51.846.21.663.31.538.80.5
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, 11.07.2020 #860360/326691
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 track52.71.670.81.319.61.28.80.74.20.729.70.5
road and skidding road23.11.317.21.111.11.03.20.40.60.310.40.4
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 intended3.50.61.80.43.00.510.40.713.21.26.60.3
total80.91.290.90.848.71.539.01.121.81.555.70.6
inside perimeterroad and skidding track0.70.30.10.10.0.0.80.20.50.30.50.1
road and skidding road0.30.20.0.0.30.20.30.10.30.20.20.1
road and cable line0.30.20.0.0.30.22.40.31.20.41.00.1
road and flight path0.0.0.0.0.10.11.00.20.90.30.50.1
no access intended0.60.20.0.0.10.11.10.24.30.71.00.1
total1.90.40.10.10.70.35.60.57.20.93.20.2
outside perimeterroad and skidding track8.70.95.60.715.11.18.00.67.10.98.90.4
road and skidding road5.70.72.40.511.61.04.00.52.70.65.30.3
road and cable line1.50.40.40.218.61.226.81.017.51.314.70.4
road and flight path0.10.10.0.3.10.57.10.65.30.83.60.2
no access intended1.30.40.50.22.10.49.40.738.31.78.70.3
total17.31.29.00.850.51.555.41.171.01.641.10.6
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 #860361/326692
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 track52.21.571.11.318.81.18.80.63.90.729.40.5
road and skidding road23.41.316.91.010.80.93.40.40.70.310.40.4
road and cable line1.20.31.00.311.00.911.00.72.60.56.30.3
road and flight path0.50.20.10.13.90.55.60.51.20.42.80.2
no access intended4.00.61.70.43.00.510.60.713.11.16.70.3
total81.21.290.70.847.41.439.41.021.41.455.60.5
inside perimeterroad and skidding track0.70.30.10.10.10.10.80.20.60.30.50.1
road and skidding road0.30.20.0.0.20.10.20.10.20.20.20.1
road and cable line0.30.10.0.0.40.22.20.31.20.41.00.1
road and flight path0.0.0.0.0.20.10.90.21.10.40.50.1
no access intended0.50.20.0.0.20.11.10.24.20.71.00.1
total1.80.40.10.11.10.35.30.57.30.93.20.2
outside perimeterroad and skidding track8.40.85.60.615.31.08.40.66.80.98.90.3
road and skidding road5.50.72.50.411.70.93.90.42.80.65.20.3
road and cable line1.70.40.50.218.91.126.51.017.31.314.70.4
road and flight path0.10.10.0.3.10.57.00.65.20.83.50.2
no access intended1.40.40.50.22.40.49.40.639.11.78.90.3
total17.01.19.20.851.51.455.21.171.31.541.20.5
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 #860362/326693
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 track52.91.670.71.319.51.27.90.63.80.728.30.5
road and skidding road23.11.317.31.110.81.03.00.40.60.310.00.4
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 intended3.30.61.70.43.50.615.30.818.31.39.10.4
total80.91.290.90.849.31.543.21.126.41.456.90.6
inside perimeterroad and skidding track0.70.30.10.10.0.0.70.20.50.20.40.1
road and skidding road0.30.20.0.0.30.20.20.10.20.20.20.1
road and cable line0.30.20.0.0.30.22.30.31.10.41.00.1
road and flight path0.0.0.0.0.10.11.00.20.70.30.40.1
no access intended0.60.20.0.0.10.11.10.24.00.71.00.1
total1.90.40.10.10.70.35.30.56.50.83.10.2
outside perimeterroad and skidding track8.50.95.70.714.91.17.30.66.40.88.50.4
road and skidding road5.80.72.40.411.21.03.60.42.60.54.90.3
road and cable line1.50.40.40.218.41.224.80.915.81.214.10.4
road and flight path0.10.10.0.3.10.56.70.64.90.73.50.2
no access intended1.30.40.50.22.20.49.10.637.41.79.00.3
total17.31.29.00.849.91.551.51.167.11.640.00.6
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 #860363/326694
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 track52.41.670.41.419.31.28.60.74.10.831.00.5
road and skidding road23.11.417.41.111.41.02.80.40.60.310.90.4
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 intended3.30.61.80.42.60.58.10.78.41.14.90.3
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimeterroad and skidding track0.70.30.10.10.0.0.90.20.70.30.50.1
road and skidding road0.30.20.0.0.30.20.30.10.30.20.20.1
road and cable line0.30.20.0.0.30.22.70.41.30.51.10.1
road and flight path0.0.0.0.0.10.11.10.30.80.40.40.1
no access intended0.60.20.0.0.10.11.00.24.70.91.00.1
total1.90.40.10.10.80.36.00.67.81.13.20.2
outside perimeterroad and skidding track8.60.95.80.715.61.18.50.77.81.19.20.4
road and skidding road6.00.82.40.511.61.04.10.52.80.75.40.3
road and cable line1.60.40.40.219.01.230.21.120.31.615.50.5
road and flight path0.10.10.0.3.30.67.80.76.11.03.70.3
no access intended1.40.40.50.22.10.49.10.738.82.08.00.3
total17.61.29.20.951.61.659.81.275.81.741.90.6
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 #860364/326695
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 track52.71.670.81.319.41.28.00.63.80.728.20.5
road and skidding road23.11.317.21.110.91.03.00.40.60.39.90.4
road and cable line1.00.31.00.311.00.910.50.72.70.66.20.3
road and flight path0.50.20.10.14.30.66.60.51.10.43.20.2
no access intended3.50.61.80.43.60.615.50.818.51.39.30.4
total80.91.290.90.849.11.543.61.126.81.457.00.5
inside perimeterroad and skidding track0.70.30.10.10.0.0.70.20.50.20.40.1
road and skidding road0.30.20.0.0.30.20.20.10.20.20.20.1
road and cable line0.30.20.0.0.30.22.30.31.10.41.00.1
road and flight path0.0.0.0.0.10.10.90.20.80.30.40.1
no access intended0.60.20.0.0.10.11.10.23.90.71.00.1
total1.90.40.10.10.70.35.20.56.50.83.10.2
outside perimeterroad and skidding track8.70.95.60.714.91.17.30.66.50.88.50.4
road and skidding road5.70.72.40.511.51.03.70.42.60.55.00.3
road and cable line1.50.40.40.218.41.224.40.915.61.214.00.4
road and flight path0.10.10.0.3.10.56.60.54.80.73.50.2
no access intended1.30.40.50.22.20.49.10.637.21.68.90.3
total17.31.29.00.850.11.551.11.166.71.639.90.6
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 #860365/326696
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 track52.71.670.51.319.01.27.60.63.50.627.30.5
road and skidding road23.01.317.21.110.50.92.80.40.60.39.60.4
road and cable line1.00.31.10.311.10.910.30.72.40.56.20.3
road and flight path0.50.20.20.14.30.66.60.51.00.33.30.2
no access intended3.60.61.90.44.40.616.40.821.21.310.40.4
total80.91.290.90.849.41.543.61.028.81.456.80.5
inside perimeterroad and skidding track0.70.30.10.10.0.0.70.20.50.20.50.1
road and skidding road0.30.20.0.0.30.20.20.10.20.10.20.1
road and cable line0.30.20.0.0.30.22.20.31.00.31.00.1
road and flight path0.0.0.0.0.10.11.10.20.70.30.50.1
no access intended0.60.20.0.0.10.11.40.33.90.61.10.1
total1.90.40.10.10.70.35.60.56.30.83.30.2
outside perimeterroad and skidding track8.50.95.70.715.11.16.90.56.00.88.30.3
road and skidding road5.90.72.30.411.00.93.40.42.40.54.80.3
road and cable line1.50.40.40.218.41.224.00.914.71.113.90.4
road and flight path0.10.10.0.3.20.56.60.54.50.73.50.2
no access intended1.30.40.50.22.20.49.90.637.41.69.50.3
total17.31.29.00.849.91.550.81.064.91.540.00.5
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 #860366/326697
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 track52.21.571.11.318.61.18.00.63.70.628.00.5
road and skidding road23.41.316.91.010.70.93.10.40.60.39.90.3
road and cable line1.20.31.00.310.90.910.60.62.70.56.30.3
road and flight path0.50.20.10.14.20.66.70.51.20.43.30.2
no access intended4.00.61.70.43.60.515.70.718.01.29.40.3
total81.21.290.70.847.91.444.11.026.21.456.90.5
inside perimeterroad and skidding track0.70.30.10.10.10.10.70.20.50.20.50.1
road and skidding road0.30.20.0.0.20.10.20.10.20.10.20.1
road and cable line0.30.10.0.0.40.22.10.31.10.31.00.1
road and flight path0.0.0.0.0.20.10.90.21.00.30.50.1
no access intended0.50.20.0.0.20.11.10.23.80.61.00.1
total1.80.40.10.11.10.35.00.46.60.83.10.2
outside perimeterroad and skidding track8.40.85.60.615.11.07.70.56.20.88.50.3
road and skidding road5.50.72.50.411.60.93.50.42.60.55.00.3
road and cable line1.70.40.50.218.81.124.10.915.51.114.00.4
road and flight path0.10.10.0.3.10.56.50.54.80.73.40.2
no access intended1.40.40.50.22.50.49.00.638.11.69.10.3
total17.01.19.20.851.01.450.91.067.11.540.00.5
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 #860367/326698
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 track47.01.669.71.313.91.17.80.60.50.226.20.5
road and skidding road24.41.412.81.09.40.93.20.44.80.89.90.4
road and cable line2.20.52.40.511.91.013.20.83.60.77.80.3
road and flight path0.0.0.0.3.50.611.10.78.41.05.40.3
no access intended7.40.86.00.711.20.95.10.56.50.96.90.3
total81.11.290.90.850.11.540.41.123.71.556.30.6
inside perimeterroad and skidding track0.20.10.10.10.20.10.90.20.20.20.40.1
road and skidding road0.70.30.0.0.20.10.20.10.40.20.30.1
road and cable line0.40.20.0.0.20.12.10.31.00.40.90.1
road and flight path0.20.10.0.0.20.12.10.34.90.81.40.1
no access intended0.40.20.0.0.0.0.40.10.40.20.20.1
total1.90.40.10.10.70.35.70.57.00.93.20.2
outside perimeterroad and skidding track4.70.73.90.610.80.97.10.61.10.46.00.3
road and skidding road8.40.92.50.58.20.82.30.36.30.95.00.3
road and cable line2.30.50.80.321.51.228.21.019.61.416.30.4
road and flight path0.10.10.30.22.90.512.50.734.71.79.20.3
no access intended1.60.41.50.45.80.73.80.47.50.93.90.2
total17.11.29.00.849.21.553.91.169.31.640.40.6
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 #860368/326699
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 track46.71.669.91.313.71.17.50.60.50.225.50.5
road and skidding road24.61.412.71.09.20.92.70.44.40.79.50.4
road and cable line2.20.52.40.411.51.012.80.73.70.67.70.3
road and flight path0.0.0.0.3.60.613.90.87.70.96.40.3
no access intended7.40.85.90.711.41.06.30.510.31.07.90.3
total80.91.290.90.849.31.543.21.126.41.456.90.6
inside perimeterroad and skidding track0.20.10.10.10.20.10.70.20.20.20.40.1
road and skidding road0.70.30.0.0.20.10.20.10.30.20.30.1
road and cable line0.40.20.0.0.20.12.00.31.00.30.90.1
road and flight path0.20.10.0.0.20.12.00.34.60.71.40.1
no access intended0.40.20.0.0.0.0.30.10.40.20.20.1
total1.90.40.10.10.70.35.30.56.50.83.10.2
outside perimeterroad and skidding track4.70.73.90.610.91.06.70.51.00.35.80.3
road and skidding road8.50.92.50.58.40.82.30.36.00.84.90.3
road and cable line2.30.50.80.321.71.226.91.018.51.316.00.4
road and flight path0.10.10.30.22.90.511.90.733.41.69.20.3
no access intended1.60.41.50.45.90.73.80.48.20.94.00.2
total17.31.29.00.849.91.551.51.167.11.640.00.6
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 #860369/326700
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 track46.71.669.91.313.91.18.00.60.50.326.70.5
road and skidding road24.61.412.81.09.30.92.90.44.60.89.90.4
road and cable line2.20.52.40.411.61.013.10.83.60.77.60.3
road and flight path0.0.0.0.3.20.59.70.77.81.04.70.3
no access intended7.40.85.90.710.91.04.80.54.90.86.60.3
total80.91.290.90.848.91.538.41.121.31.555.60.6
inside perimeterroad and skidding track0.20.10.10.10.20.10.80.20.30.20.40.1
road and skidding road0.70.30.0.0.20.10.20.10.40.20.30.1
road and cable line0.40.20.0.0.20.12.20.31.10.40.90.1
road and flight path0.20.10.0.0.20.12.10.35.10.81.40.2
no access intended0.40.20.0.0.0.0.30.10.40.20.20.1
total1.90.40.10.10.80.35.60.57.20.93.20.2
outside perimeterroad and skidding track4.70.73.90.611.11.07.30.61.20.46.10.3
road and skidding road8.50.92.50.58.50.92.50.46.60.95.20.3
road and cable line2.30.50.80.321.91.329.31.020.61.416.70.5
road and flight path0.10.10.30.23.00.512.80.835.41.79.30.4
no access intended1.60.41.50.45.90.74.00.57.71.03.90.3
total17.31.29.00.850.41.555.91.171.41.641.20.6
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 #860370/326701
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 track52.61.670.51.318.91.27.70.63.60.627.30.5
road and skidding road23.01.317.21.110.60.92.80.40.60.39.60.4
road and cable line1.00.31.10.311.00.910.20.62.50.56.10.3
road and flight path0.50.20.20.14.20.66.70.51.00.33.30.2
no access intended3.80.61.90.44.40.616.70.821.41.310.60.4
total80.91.290.90.849.21.544.11.029.11.456.90.5
inside perimeterroad and skidding track0.70.30.10.10.0.0.70.20.50.20.50.1
road and skidding road0.30.20.0.0.30.20.20.10.20.10.20.1
road and cable line0.30.20.0.0.30.22.20.31.00.31.00.1
road and flight path0.0.0.0.0.10.11.00.20.70.30.50.1
no access intended0.60.20.0.0.10.11.40.23.80.61.10.1
total1.80.40.10.10.70.35.50.56.30.83.20.2
outside perimeterroad and skidding track8.60.95.70.715.01.17.00.56.00.88.30.3
road and skidding road5.80.72.40.411.30.93.50.42.30.54.90.3
road and cable line1.50.40.40.218.31.123.70.914.51.113.80.4
road and flight path0.10.10.0.3.30.56.50.54.40.73.50.2
no access intended1.30.40.50.22.20.49.70.637.31.69.50.3
total17.31.29.00.850.01.550.41.064.61.539.90.5
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 #860371/326702
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 track52.11.570.81.318.21.17.60.53.40.627.10.4
road and skidding road23.31.316.81.010.40.93.00.30.70.39.60.3
road and cable line1.20.31.10.310.90.910.30.62.50.56.20.3
road and flight path0.50.20.20.14.20.66.80.51.10.33.40.2
no access intended4.20.61.80.44.50.616.90.720.91.210.60.4
total81.21.290.70.848.21.444.51.028.61.356.80.5
inside perimeterroad and skidding track0.70.30.10.10.10.10.70.20.60.20.50.1
road and skidding road0.30.20.0.0.20.10.20.10.20.10.20.0
road and cable line0.30.10.0.0.40.22.00.31.00.30.90.1
road and flight path0.0.0.0.0.20.11.00.20.90.30.50.1
no access intended0.50.20.0.0.20.11.30.23.70.61.10.1
total1.80.40.10.11.10.35.30.46.30.73.20.2
outside perimeterroad and skidding track8.30.85.70.615.01.07.30.55.80.78.30.3
road and skidding road5.50.72.50.411.40.93.40.42.40.54.80.2
road and cable line1.70.40.50.218.61.123.30.814.41.113.80.4
road and flight path0.10.10.0.3.20.56.40.54.40.63.40.2
no access intended1.40.30.50.22.50.49.70.638.11.59.70.3
total17.01.19.20.850.81.450.21.065.01.440.00.5
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 #860372/326703
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 track46.11.669.81.414.21.17.50.70.30.228.00.5
road and skidding road24.71.412.61.09.30.92.60.44.50.810.20.4
road and cable line2.30.52.40.511.11.012.70.83.60.77.30.4
road and flight path0.0.0.0.2.90.57.70.75.00.93.40.2
no access intended7.30.85.90.710.11.03.70.52.90.76.00.3
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimeterroad and skidding track0.20.10.10.10.20.20.90.20.30.20.40.1
road and skidding road0.70.30.0.0.20.10.20.10.50.30.30.1
road and cable line0.40.20.0.0.20.12.40.41.30.51.00.1
road and flight path0.20.10.0.0.20.12.20.45.40.91.40.2
no access intended0.40.20.0.0.0.0.20.10.30.20.20.1
total1.90.40.10.10.80.36.00.67.81.13.20.2
outside perimeterroad and skidding track4.90.74.00.611.61.07.50.71.40.56.40.3
road and skidding road8.60.92.60.58.70.92.70.46.91.05.40.3
road and cable line2.40.50.80.322.31.332.51.224.21.717.50.5
road and flight path0.10.10.30.23.00.513.10.835.51.98.70.4
no access intended1.70.41.50.46.10.84.00.57.81.13.90.3
total17.61.29.20.951.61.659.81.275.81.741.90.6
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 #860373/326704
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 track46.41.669.71.313.31.07.20.60.40.224.60.4
road and skidding road24.61.412.71.08.90.92.50.34.10.69.20.4
road and cable line2.20.52.30.411.41.012.40.73.40.67.50.3
road and flight path0.10.10.10.13.70.614.50.77.60.96.70.3
no access intended7.50.86.10.712.01.07.10.513.31.18.80.4
total80.91.290.90.849.41.543.61.028.81.456.80.5
inside perimeterroad and skidding track0.20.10.10.10.20.10.70.20.20.10.40.1
road and skidding road0.70.30.0.0.20.10.20.10.30.20.20.1
road and cable line0.40.20.0.0.20.12.00.31.00.30.90.1
road and flight path0.20.10.0.0.20.12.20.34.30.71.40.1
no access intended0.40.20.0.0.0.0.50.20.50.20.30.1
total1.90.40.10.10.70.35.60.56.30.83.30.2
outside perimeterroad and skidding track4.70.73.90.610.80.96.40.50.90.35.70.3
road and skidding road8.50.92.50.58.30.82.20.35.60.84.80.3
road and cable line2.30.50.80.321.51.225.90.916.91.215.60.4
road and flight path0.10.10.30.23.20.512.50.731.31.59.50.3
no access intended1.70.41.50.46.00.73.90.410.11.04.40.3
total17.31.29.00.849.91.550.81.064.91.540.00.5
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 #860374/326705
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 track46.81.669.51.313.51.07.10.50.40.224.20.4
road and skidding road24.41.412.81.09.10.92.80.34.30.79.20.3
road and cable line2.20.52.40.411.70.912.50.73.30.67.70.3
road and flight path0.10.10.10.14.00.616.00.78.10.97.50.3
no access intended7.50.86.20.712.51.08.00.614.41.19.30.4
total81.11.290.90.850.71.546.41.030.51.457.90.5
inside perimeterroad and skidding track0.20.10.10.10.20.10.70.20.20.10.40.1
road and skidding road0.70.30.0.0.20.10.20.10.30.20.20.1
road and cable line0.40.20.0.0.20.11.90.30.90.30.90.1
road and flight path0.20.10.0.0.20.12.10.34.20.61.40.1
no access intended0.40.20.0.0.0.0.50.10.50.20.30.1
total1.80.40.10.10.70.25.40.56.10.83.20.2
outside perimeterroad and skidding track4.70.73.90.610.50.96.10.50.90.35.50.3
road and skidding road8.40.92.50.58.10.82.00.35.40.74.60.3
road and cable line2.30.50.80.320.91.224.50.916.51.215.20.4
road and flight path0.10.10.30.13.10.511.80.730.41.59.20.3
no access intended1.70.41.60.46.00.73.70.410.11.04.40.2
total17.11.29.00.848.61.548.21.063.31.538.90.5
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 #860375/326706
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 track47.01.669.81.313.81.07.40.60.40.225.10.5
road and skidding road24.41.412.81.09.30.93.00.44.60.79.50.4
road and cable line2.20.52.40.511.81.013.00.73.60.67.90.3
road and flight path0.0.0.0.3.90.615.20.88.20.97.10.3
no access intended7.40.86.00.711.71.06.60.511.21.08.20.3
total81.11.290.90.850.61.545.21.028.01.457.70.5
inside perimeterroad and skidding track0.20.10.10.10.20.10.80.20.20.20.40.1
road and skidding road0.70.30.0.0.20.10.20.10.30.20.20.1
road and cable line0.40.20.0.0.20.11.90.30.90.30.90.1
road and flight path0.20.10.0.0.20.12.00.34.50.71.40.1
no access intended0.40.20.0.0.0.0.40.10.30.20.20.1
total1.90.40.10.10.70.35.20.56.30.83.10.2
outside perimeterroad and skidding track4.70.73.90.610.70.96.40.51.00.35.70.3
road and skidding road8.40.92.50.58.10.82.10.35.90.84.80.3
road and cable line2.30.50.80.321.21.225.70.917.81.215.60.4
road and flight path0.10.10.30.22.80.511.60.732.61.69.10.3
no access intended1.60.41.50.45.90.73.60.48.30.94.00.2
total17.11.29.00.848.71.549.51.065.71.539.20.5
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 #860376/326707
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