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NFI4
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder53.33.359.014.066.99.450.02.453.95.946.54.510.510.523.17.723.52.378.53.961.43.893.32.127.511.020.85.859.54.617.65.238.84.129.15.354.44.814.03.122.36.945.42.624.63.366.011.958.93.245.60.8
forwarder43.63.38.17.712.77.126.12.139.95.834.54.389.510.50.0.10.01.617.93.615.32.86.02.00.0.3.42.49.62.975.45.854.64.25.72.842.24.710.92.72.92.942.42.56.91.926.910.732.53.126.20.7
mobile tower yarder1.30.70.0.5.84.09.01.44.62.66.22.00.0.18.97.017.02.01.81.314.42.70.80.822.29.435.66.60.80.81.61.65.81.930.15.31.21.25.42.011.75.65.01.116.72.87.17.07.71.78.70.5
cable crane0.0.8.38.114.77.68.21.31.61.66.52.10.0.28.68.119.32.10.0.7.62.10.0.19.19.711.94.78.42.70.0.0.0.3.62.10.0.7.62.310.44.91.30.62.41.20.0.0.90.65.80.4
helicopter0.80.624.612.40.0.6.31.10.0.5.62.00.0.29.48.330.32.50.90.91.30.90.0.31.211.928.36.320.93.90.0.0.0.28.95.20.0.56.04.349.98.35.71.248.23.80.0.0.0.12.90.6
others0.90.60.0.0.0.0.40.30.0.0.70.70.0.0.0.0.0.0.90.90.0.0.0.0.0.0.0.0.90.95.53.10.80.82.61.82.21.26.22.13.02.90.30.31.20.90.0.0.0.0.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder......25.79.158.934.2....27.513.39.15.067.019.3..100.0.0.0.59.134.237.217.8..46.525.20.0...9.84.720.310.60.0.22.06.9....20.93.0
forwarder......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.12.311.7..26.722.90.0...4.83.30.0.0.0.5.84.0....3.21.3
mobile tower yarder......31.39.741.134.2....7.97.716.16.516.515.1..0.0.0.0.0.0.16.815.2..0.0.66.727.7..2.42.422.010.90.0.13.45.6....14.82.6
cable crane......8.65.80.0.....41.014.412.05.60.0...0.0.100.0.0.0.0.0...26.722.933.327.7..5.03.519.810.170.025.75.53.8....12.22.4
helicopter......34.49.90.0.....23.512.159.88.60.0...0.0.0.0.40.934.233.718.7..0.0.0.0...75.66.837.912.430.025.753.58.3....47.43.6
others......0.0.0.0.....0.0.3.13.016.515.1..0.0.0.0.0.0.0.0...0.0.0.0...2.42.40.0.0.0.0.0.....1.60.9
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimeterskidder32.415.659.113.249.912.344.52.647.512.434.65.5..22.77.115.71.781.05.437.17.971.310.137.412.317.85.744.33.90.0.14.89.919.15.043.513.17.91.36.54.535.74.716.01.946.313.752.417.825.70.9
forwarder56.216.615.09.828.811.77.71.434.011.69.93.6..0.0.3.20.87.73.77.34.014.47.80.0.2.22.23.31.5100.0.66.314.33.12.238.313.63.80.93.33.29.42.82.40.80.0.13.712.75.80.5
mobile tower yarder11.310.75.45.415.98.622.62.213.48.834.25.5..8.44.730.02.19.44.026.47.24.34.320.69.435.47.410.42.60.0.7.47.247.16.39.18.78.81.415.66.531.04.628.82.347.713.620.212.922.40.8
cable crane0.0.7.57.35.35.316.91.95.15.011.43.6..35.78.127.82.00.0.18.16.30.0.28.211.422.76.425.83.70.0.0.0.19.34.70.0.12.91.645.39.08.72.810.71.66.05.913.712.717.30.8
helicopter0.0.12.99.00.0.8.11.40.0.8.23.3..33.28.022.51.90.0.11.25.30.0.13.99.221.96.416.33.10.0.0.0.11.34.00.0.64.52.329.38.115.23.641.32.60.0.0.0.27.90.9
others0.0.0.0.0.0.0.30.30.0.1.71.6..0.0.0.80.41.91.90.0.10.16.70.0.0.0.0.0.0.0.11.510.70.0.9.18.72.00.70.0.0.0.0.80.50.0.0.0.1.00.2
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder52.53.259.19.660.97.446.91.752.85.342.43.510.510.523.64.918.61.378.83.256.83.490.52.331.48.220.14.150.52.917.15.037.43.924.03.653.14.79.31.215.94.143.02.218.91.657.68.758.73.136.60.6
forwarder44.13.211.76.418.36.317.21.337.95.126.03.189.510.50.0.5.80.814.12.713.82.47.02.00.0.2.81.66.21.576.15.754.64.04.41.841.84.55.40.92.51.735.22.14.00.815.36.731.93.017.10.5
mobile tower yarder1.70.82.82.89.33.915.61.27.02.815.92.40.0.12.53.824.21.44.71.616.62.61.20.921.06.334.94.86.51.51.51.55.81.838.44.12.21.57.71.115.14.010.51.424.21.724.57.58.11.814.50.4
cable crane0.0.7.95.411.45.312.11.12.21.68.21.80.0.33.75.423.71.40.0.9.62.10.0.25.07.516.73.917.82.40.0.0.80.811.22.50.0.11.21.325.54.83.30.87.91.12.62.61.30.710.70.4
helicopter0.80.618.57.70.0.7.90.90.0.6.51.80.0.30.25.327.11.50.60.63.21.30.0.22.57.525.54.418.72.40.0.0.0.20.53.40.0.63.51.939.85.37.91.244.12.10.0.0.0.20.10.5
others0.80.60.0.0.0.0.30.20.0.1.10.70.0.0.0.0.60.31.81.00.0.1.30.90.0.0.0.0.40.45.33.01.51.11.41.03.01.52.90.71.31.30.20.20.90.40.0.0.0.0.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860953/327284
NFI4
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder56.41.242.92.543.83.125.23.926.52.815.03.648.10.9
forwarder39.11.19.11.46.71.68.02.412.22.112.13.327.60.8
mobile tower yarder2.90.421.32.015.02.317.63.417.62.49.82.98.70.5
cable crane0.50.214.01.710.31.92.61.520.42.512.53.35.50.4
helicopter0.30.112.71.622.92.646.64.523.42.747.65.09.60.5
others0.60.20.0.1.20.70.0.0.0.3.11.70.60.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder50.111.224.09.424.47.522.77.120.510.68.24.022.03.2
forwarder5.45.30.0.2.72.75.94.10.0.4.12.83.51.4
mobile tower yarder19.88.923.79.320.06.813.85.821.110.64.22.914.92.7
cable crane4.94.819.78.826.37.65.63.96.86.510.44.412.82.6
helicopter14.67.832.610.226.67.652.08.551.612.971.06.645.73.8
others5.15.00.0.0.0.0.0.0.0.2.12.11.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.83.035.32.134.72.715.92.016.22.08.31.326.60.9
forwarder24.12.63.10.85.01.32.30.83.30.93.50.95.90.5
mobile tower yarder11.01.930.12.120.12.330.32.431.72.514.31.623.40.9
cable crane1.40.719.71.826.42.611.21.730.22.516.11.717.90.8
helicopter1.50.711.71.413.82.039.52.618.32.155.82.325.30.9
others2.20.90.20.20.0.0.90.50.30.31.90.60.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder56.81.138.41.638.02.018.71.720.61.69.41.238.30.6
forwarder36.91.05.60.85.61.04.00.96.91.05.00.917.70.5
mobile tower yarder4.10.426.11.417.91.626.01.925.61.812.81.315.00.5
cable crane0.70.217.21.219.51.68.71.225.51.815.01.410.90.4
helicopter0.60.212.61.118.51.642.12.221.21.655.72.017.30.5
others0.90.20.10.10.50.30.60.30.20.22.10.60.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860954/327285
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder74.11.051.12.251.42.728.63.133.22.520.13.059.50.8
forwarder23.60.93.90.94.11.14.91.55.71.26.61.915.40.6
mobile tower yarder1.20.214.71.68.51.513.22.411.51.73.21.35.50.4
cable crane0.40.113.21.513.91.96.81.826.22.311.82.46.90.4
helicopter0.40.116.31.621.22.246.03.522.62.257.73.612.20.5
others0.30.10.80.40.90.50.50.50.80.50.50.50.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder62.110.625.08.213.15.528.67.34.74.615.84.622.32.9
forwarder4.74.60.0.0.0.0.0.0.0.1.61.60.90.7
mobile tower yarder4.84.724.38.122.96.725.77.119.18.64.82.716.02.5
cable crane18.98.532.88.922.66.72.62.640.010.419.25.020.92.8
helicopter4.74.614.46.731.27.543.08.036.210.357.16.336.63.3
others4.84.73.53.410.24.90.0.0.0.1.71.73.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder75.02.542.32.042.52.522.02.021.22.012.21.332.90.9
forwarder13.01.93.30.73.51.01.00.52.30.72.90.73.90.4
mobile tower yarder7.41.522.21.712.21.726.52.219.31.95.91.015.70.7
cable crane2.30.818.91.627.52.313.11.740.12.423.31.721.60.8
helicopter1.00.612.51.313.01.736.52.416.21.854.82.024.90.8
others1.30.70.80.41.20.61.00.50.90.50.80.41.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder74.10.945.81.545.01.824.51.726.11.514.21.247.40.6
forwarder22.00.83.50.53.60.72.20.63.70.73.60.610.20.4
mobile tower yarder2.00.318.91.211.11.122.21.615.81.35.30.810.10.4
cable crane0.80.216.71.121.11.510.51.233.81.720.51.413.40.4
helicopter0.50.214.21.017.71.439.91.919.61.455.61.718.20.4
others0.50.10.90.31.60.50.80.30.80.30.80.30.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860955/327286
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder73.81.052.32.351.72.929.33.432.22.620.93.159.50.8
forwarder23.91.03.80.94.31.25.11.75.41.26.61.915.50.6
mobile tower yarder1.10.214.31.68.31.613.22.611.71.83.51.45.50.4
cable crane0.40.212.21.512.31.98.02.126.82.511.72.56.80.4
helicopter0.40.216.51.722.42.443.93.823.02.356.73.812.20.5
others0.30.10.90.41.00.60.60.60.90.50.60.60.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder60.710.927.59.611.05.230.27.75.35.114.44.722.13.0
forwarder5.15.00.0.0.0.0.0.0.0.1.81.81.10.7
mobile tower yarder4.94.821.88.724.27.127.07.415.88.43.72.615.62.6
cable crane19.58.832.910.124.07.02.72.744.011.120.15.421.63.0
helicopter4.84.713.47.230.07.640.18.234.810.758.06.736.03.5
others4.94.84.44.310.85.10.0.0.0.2.01.93.71.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder75.32.642.72.241.12.721.22.120.62.112.31.432.60.9
forwarder13.92.12.90.74.01.11.10.62.30.82.80.73.90.4
mobile tower yarder6.11.422.11.813.01.926.72.319.12.06.61.115.80.7
cable crane2.10.918.61.728.12.513.51.840.92.523.01.821.80.8
helicopter1.10.612.71.412.41.836.32.516.21.954.62.124.90.8
others1.50.70.90.41.40.71.10.61.00.50.70.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder73.90.946.81.544.21.924.21.825.41.614.31.347.20.6
forwarder22.50.93.20.63.90.82.30.63.60.73.50.710.30.4
mobile tower yarder1.70.318.51.211.51.222.51.715.71.35.70.810.00.4
cable crane0.80.216.01.120.71.611.21.334.71.820.31.413.40.4
helicopter0.60.214.51.117.91.538.92.019.71.555.31.818.20.4
others0.50.21.00.31.70.50.90.40.90.40.80.30.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860956/327287
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder73.61.055.32.551.73.130.54.134.23.024.14.362.20.9
forwarder24.01.03.91.05.11.46.62.26.21.511.13.116.80.7
mobile tower yarder1.10.215.91.89.41.812.23.013.82.23.91.95.60.4
cable crane0.50.211.11.613.32.18.22.527.32.814.53.56.20.4
helicopter0.50.213.11.720.02.541.74.517.72.445.45.08.70.5
others0.30.10.80.40.40.40.80.80.80.60.90.90.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder60.710.928.810.012.05.731.27.97.16.916.45.324.33.3
forwarder5.15.00.0.0.0.0.0.0.0.2.02.01.20.8
mobile tower yarder4.94.822.99.126.37.627.87.621.310.94.22.917.12.9
cable crane19.58.829.610.123.17.22.82.745.412.919.05.720.23.1
helicopter4.84.714.17.629.77.938.28.326.111.356.27.233.73.6
others4.94.84.64.58.84.90.0.0.0.2.22.23.51.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder74.82.642.82.240.52.822.12.218.62.111.81.533.01.0
forwarder14.22.12.80.74.41.20.90.51.70.72.80.84.00.4
mobile tower yarder6.21.522.51.913.52.026.42.420.72.27.81.216.50.8
cable crane2.20.918.51.729.02.613.41.842.82.724.42.022.10.9
helicopter1.10.712.41.511.11.836.02.615.01.952.42.323.30.9
others1.50.71.00.41.50.71.20.61.20.60.90.41.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder73.71.047.91.643.72.024.81.924.81.814.21.448.70.6
forwarder22.50.93.20.64.40.92.30.73.50.74.10.810.90.4
mobile tower yarder1.80.319.61.312.51.423.01.917.91.66.91.010.50.4
cable crane0.90.215.51.221.91.711.41.436.41.922.31.713.30.4
helicopter0.60.212.71.116.01.537.52.216.41.551.52.015.60.5
others0.50.21.00.31.50.51.00.51.00.41.00.40.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860957/327288
NFI4
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder56.31.141.22.342.32.924.63.325.22.412.52.645.90.9
forwarder39.41.18.21.35.81.46.91.910.61.79.42.325.90.7
mobile tower yarder2.80.420.01.914.72.116.72.817.22.17.32.08.70.5
cable crane0.50.213.81.610.41.82.41.219.72.29.12.25.70.4
helicopter0.30.116.41.725.42.548.23.827.22.556.63.912.90.6
others0.60.20.40.31.40.71.20.90.0.5.01.70.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder50.111.222.99.025.17.222.06.916.08.57.33.520.83.0
forwarder5.45.30.0.2.52.55.84.00.0.3.62.53.21.3
mobile tower yarder19.88.922.68.918.46.313.45.622.19.63.72.614.22.5
cable crane4.94.823.49.124.27.15.53.85.35.19.34.012.32.4
helicopter14.67.831.19.829.97.653.58.356.611.472.36.147.93.6
others5.15.00.0.0.0.0.0.0.0.3.72.61.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder60.13.035.12.133.42.616.01.916.91.98.51.226.00.9
forwarder23.92.63.10.84.71.22.40.84.01.03.10.85.70.5
mobile tower yarder10.91.930.02.020.12.228.82.330.02.413.01.422.50.8
cable crane1.40.719.21.725.72.510.71.629.42.314.41.517.30.8
helicopter1.50.712.31.416.12.141.32.619.12.059.02.127.60.9
others2.20.90.20.20.0.0.80.50.60.42.00.61.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder56.71.137.61.536.91.918.91.620.61.59.31.136.90.6
forwarder37.11.05.40.75.10.94.00.86.80.94.50.816.80.5
mobile tower yarder4.00.425.21.417.61.524.21.724.11.611.21.114.60.4
cable crane0.70.216.81.218.71.57.91.124.51.612.91.210.70.4
helicopter0.60.214.61.121.11.644.12.123.71.659.41.820.00.5
others0.90.20.30.20.60.30.90.40.30.22.80.60.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860958/327289
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder73.61.052.72.350.92.929.53.532.12.621.33.259.50.8
forwarder24.11.03.90.94.41.25.31.75.51.37.02.015.70.6
mobile tower yarder1.10.214.61.78.51.613.02.612.01.83.11.45.50.4
cable crane0.40.212.51.512.61.98.22.127.22.511.62.56.90.4
helicopter0.40.215.41.722.62.443.43.822.32.356.53.911.80.5
others0.30.10.90.41.10.60.60.60.90.50.60.60.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder60.710.927.59.611.05.230.27.75.65.414.64.822.33.0
forwarder5.15.00.0.0.0.0.0.0.0.1.81.81.10.7
mobile tower yarder4.94.821.88.724.27.127.07.416.78.83.72.615.72.6
cable crane19.58.832.910.124.07.02.72.741.111.320.55.521.33.0
helicopter4.84.713.47.230.07.640.18.236.711.157.36.835.83.5
others4.94.84.44.310.85.10.0.0.0.2.02.03.71.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder75.02.642.42.240.42.721.22.120.32.111.91.432.30.9
forwarder14.12.12.70.74.11.11.10.62.00.72.80.73.90.4
mobile tower yarder6.21.522.21.813.01.926.72.319.32.06.81.115.90.7
cable crane2.20.918.81.728.82.513.51.841.42.523.21.822.00.8
helicopter1.10.612.91.512.31.836.32.515.91.954.52.124.90.8
others1.50.71.00.41.40.71.10.61.00.50.70.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder73.70.946.81.643.51.924.31.825.21.614.11.347.10.6
forwarder22.60.93.20.64.00.82.30.63.50.73.60.710.40.4
mobile tower yarder1.80.318.71.211.61.322.61.716.01.45.80.910.10.4
cable crane0.80.216.21.221.21.611.31.335.11.820.61.513.60.4
helicopter0.60.214.11.117.91.538.72.019.31.555.11.818.00.5
others0.50.21.00.31.80.50.90.40.90.40.80.30.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860959/327290
NFI4
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %±
n/askidder56.31.140.92.241.62.723.53.024.22.311.72.345.00.8
forwarder39.41.18.11.25.71.37.41.89.71.68.62.025.10.7
mobile tower yarder2.80.419.61.814.22.015.82.616.02.06.31.88.60.5
cable crane0.50.214.01.610.51.72.61.219.52.17.81.95.90.4
helicopter0.30.117.01.726.72.549.23.530.62.559.33.514.40.6
others0.60.20.40.31.30.61.50.90.0.6.41.81.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder50.111.222.99.023.26.821.46.718.68.47.23.520.52.9
forwarder5.45.30.0.2.32.35.63.90.0.3.62.53.11.2
mobile tower yarder19.88.922.68.917.05.913.05.519.08.43.72.613.62.4
cable crane4.94.823.49.122.36.65.33.74.54.49.13.911.82.3
helicopter14.67.831.19.835.37.652.08.257.910.672.86.049.03.6
others5.15.00.0.0.0.2.82.70.0.3.62.52.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder60.32.934.92.132.72.616.01.917.21.98.51.225.80.9
forwarder23.72.63.10.84.61.22.30.83.91.03.20.85.70.5
mobile tower yarder10.81.930.02.020.32.228.42.330.22.312.71.422.50.8
cable crane1.40.719.21.725.72.410.51.629.12.314.21.517.20.8
helicopter1.50.712.51.416.62.142.02.519.12.059.42.127.90.9
others2.20.90.20.20.0.0.80.50.50.42.00.60.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder56.71.137.51.536.31.818.81.620.41.59.21.036.40.6
forwarder37.11.05.40.75.00.84.20.86.40.94.50.716.50.4
mobile tower yarder4.00.424.91.317.31.423.31.723.41.510.61.114.40.4
cable crane0.70.216.81.218.51.57.61.124.01.512.31.210.60.4
helicopter0.60.215.01.122.41.645.02.025.51.660.31.721.00.5
others0.90.20.30.20.60.31.20.40.30.23.10.61.00.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860960/327291
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder82.51.560.53.468.83.073.52.471.81.849.65.159.72.964.43.334.74.129.75.436.26.128.63.133.22.520.13.059.50.8
forwarder14.41.337.43.330.33.025.32.325.21.89.32.81.70.86.71.83.91.70.0.0.0.4.91.55.71.26.61.915.40.6
mobile tower yarder1.30.41.60.90.0.0.60.41.70.518.84.013.12.05.71.615.83.213.74.110.53.813.22.411.51.73.21.35.50.4
cable crane0.30.20.50.50.0.0.30.30.70.410.23.112.31.913.22.416.53.26.83.025.05.66.81.826.22.311.82.46.90.4
helicopter0.90.40.0.0.80.60.30.30.0.11.13.312.41.99.42.128.33.946.85.928.35.746.03.522.62.257.73.612.20.5
others0.60.30.0.0.0.0.0.0.50.31.01.00.70.50.50.50.80.82.82.00.0.0.50.50.80.50.50.50.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder58.311.3100.0...100.0...53.535.221.213.638.829.122.29.95.15.018.29.728.67.34.74.615.84.622.22.9
forwarder5.35.20.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.60.90.7
mobile tower yarder5.15.00.0...0.0...0.0.26.115.80.0.28.310.715.08.033.211.325.77.119.18.64.82.715.92.5
cable crane20.99.30.0...0.0...0.0.27.516.361.229.139.011.621.39.520.410.52.62.640.010.419.25.021.12.8
helicopter5.35.20.0...0.0...46.535.225.215.50.0.4.84.748.011.615.58.443.08.036.210.357.16.336.43.3
others5.15.00.0...0.0...0.0.0.0.0.0.5.65.410.67.112.78.60.0.0.0.1.71.73.41.3
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder73.33.564.59.180.87.776.55.783.06.338.74.055.13.055.13.328.13.323.45.827.34.522.02.021.22.012.21.333.00.9
forwarder11.22.524.78.119.27.710.84.211.25.36.52.01.90.83.71.32.81.20.0.5.12.21.00.52.30.72.90.73.80.4
mobile tower yarder9.32.37.04.80.0.10.84.20.0.31.43.915.52.213.32.324.53.121.85.64.62.026.52.219.31.95.91.015.70.7
cable crane2.41.23.73.70.0.0.0.5.73.914.52.916.62.321.62.824.43.132.06.337.64.913.11.740.12.423.31.721.50.8
helicopter1.20.90.0.0.0.1.91.90.0.8.22.310.41.85.21.419.22.822.85.523.54.336.52.416.21.854.82.024.90.8
others2.51.20.0.0.0.0.0.0.0.0.70.70.70.51.10.81.10.80.0.2.01.41.00.50.90.50.80.41.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder80.21.461.23.170.02.874.02.272.41.843.13.256.92.159.52.330.42.524.13.629.63.524.51.726.11.514.21.247.40.6
forwarder13.71.235.83.129.22.823.32.124.41.77.61.61.80.65.11.13.11.00.0.2.81.22.20.63.70.73.60.610.20.4
mobile tower yarder2.90.62.21.00.0.2.00.71.60.526.22.814.41.59.51.421.32.217.03.19.42.122.21.615.81.35.30.810.10.4
cable crane1.10.40.80.60.0.0.20.21.00.412.72.114.61.517.81.922.12.218.43.231.53.610.51.233.81.720.51.413.40.4
helicopter1.10.40.0.0.80.50.50.30.0.9.61.911.61.37.21.222.02.237.83.924.43.239.91.919.61.455.61.718.20.4
others1.00.30.0.0.0.0.0.0.50.30.80.60.70.30.80.51.20.62.81.42.31.20.80.30.80.30.80.30.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860961/327292
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder82.61.559.93.569.33.271.62.671.31.950.35.560.83.063.63.637.84.526.05.636.27.029.53.532.12.621.33.259.50.8
forwarder14.41.438.43.530.23.227.12.625.61.99.02.91.90.97.11.93.51.70.0.0.0.5.31.75.51.37.02.015.80.6
mobile tower yarder1.10.41.10.80.0.0.70.51.70.617.44.213.52.26.01.815.43.416.04.77.93.913.02.612.01.83.11.45.50.4
cable crane0.30.20.50.50.0.0.30.30.80.411.53.510.91.912.72.516.33.44.72.722.66.18.22.127.22.511.62.56.90.4
helicopter1.00.40.0.0.50.50.30.30.0.10.63.612.11.910.02.326.24.150.16.333.36.843.43.822.32.356.53.911.80.5
others0.50.30.0.0.0.0.0.0.50.31.11.10.80.60.60.60.80.83.32.30.0.0.60.60.90.50.60.60.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder56.111.7100.0...100.0...0.0.45.924.939.429.223.610.50.0.18.39.830.27.75.65.414.64.822.53.1
forwarder5.75.50.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.81.81.00.7
mobile tower yarder5.45.30.0...0.0...0.0.0.0.0.0.30.611.317.59.232.511.127.07.416.78.83.72.615.72.6
cable crane21.99.70.0...0.0...0.0.29.624.060.629.234.911.723.410.420.910.72.72.741.111.320.55.521.53.0
helicopter5.55.40.0...0.0...100.0.24.521.40.0.5.04.946.912.115.38.340.18.236.711.157.36.835.53.5
others5.45.30.0...0.0...0.0.0.0.0.0.5.85.612.28.112.98.80.0.0.0.2.02.03.81.4
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.
outside perimeterskidder74.23.660.39.878.58.579.15.980.77.141.54.554.53.353.23.726.23.525.66.224.94.721.22.120.32.111.91.432.40.9
forwarder12.32.727.68.921.58.510.64.512.86.05.32.02.11.04.41.51.30.90.0.5.52.41.10.62.00.72.80.73.90.4
mobile tower yarder7.42.27.95.40.0.8.23.90.0.30.44.215.62.414.82.625.13.520.25.75.12.326.72.319.32.06.81.115.90.7
cable crane2.01.14.14.10.0.0.0.6.54.514.63.116.02.421.53.125.23.534.66.739.15.313.51.841.42.523.21.821.90.8
helicopter1.40.90.0.0.0.2.22.10.0.7.52.511.02.04.81.521.03.219.65.622.94.536.32.515.91.954.52.124.90.8
others2.81.40.0.0.0.0.0.0.0.0.80.80.80.51.40.91.20.90.0.2.31.61.10.61.00.50.70.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder80.41.460.23.370.23.072.72.471.81.944.93.557.62.258.32.530.72.722.43.727.83.724.31.825.21.614.11.347.20.6
forwarder13.81.237.03.329.33.024.82.324.91.86.81.62.00.65.71.22.10.90.0.3.21.42.30.63.50.73.60.710.40.4
mobile tower yarder2.40.51.90.90.0.1.70.71.60.525.03.014.41.610.31.621.52.417.93.49.02.322.61.716.01.45.80.910.10.4
cable crane1.10.40.90.60.0.0.30.31.10.513.32.313.51.517.42.022.22.418.93.431.93.811.31.335.11.820.61.513.50.4
helicopter1.20.40.0.0.50.50.60.40.0.9.12.111.71.47.31.422.12.437.74.125.43.538.72.019.31.555.11.817.90.4
others1.00.40.0.0.0.0.0.0.50.30.90.60.80.41.00.61.30.73.21.62.71.40.90.40.90.40.80.30.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860962/327293
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder64.12.041.43.647.53.455.72.857.22.235.75.651.23.256.43.927.84.819.85.623.26.925.23.926.52.815.03.648.00.9
forwarder30.71.952.03.750.13.442.32.837.82.121.04.87.21.78.52.23.52.04.22.92.32.38.02.412.22.112.13.327.70.8
mobile tower yarder3.50.83.31.31.80.91.00.63.70.813.13.723.12.711.62.523.14.527.06.414.45.617.63.417.62.49.82.98.60.5
cable crane0.50.30.70.70.0.1.00.60.40.316.44.29.11.85.81.824.04.610.04.329.07.52.61.520.42.512.53.35.40.4
helicopter0.50.30.0.0.50.50.0.0.40.313.94.29.51.815.72.821.64.439.17.031.07.546.64.523.42.747.65.09.60.5
others0.70.32.71.20.0.0.0.0.50.30.0.0.0.1.91.10.0.0.0.0.0.0.0.0.0.3.11.70.60.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder44.311.7100.0...100.0...0.0.45.924.969.726.018.49.815.19.822.19.822.77.120.510.68.24.021.93.2
forwarder6.26.00.0...0.0...0.0.0.0.0.0.0.0.0.0.5.04.95.94.10.0.4.12.83.41.4
mobile tower yarder22.09.80.0...0.0...0.0.0.0.0.0.29.711.335.812.512.98.813.85.821.110.64.22.914.92.7
cable crane5.45.30.0...0.0...0.0.29.624.030.326.020.210.321.010.928.711.25.63.96.86.510.44.412.82.6
helicopter16.58.70.0...0.0...100.0.24.521.40.0.31.611.628.012.031.311.852.08.551.612.971.06.645.83.8
others5.75.50.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.12.11.20.8
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.24.136.09.658.210.265.26.964.68.633.64.444.33.343.93.723.23.59.04.430.75.215.92.016.22.08.31.326.60.9
forwarder18.13.255.710.041.810.220.35.819.37.15.22.13.51.27.52.00.70.72.12.11.31.32.30.83.30.93.50.95.90.5
mobile tower yarder14.52.98.35.60.0.8.44.09.35.139.24.522.52.823.23.232.43.828.46.89.73.330.32.431.72.514.31.623.30.9
cable crane2.01.10.0.0.0.1.81.80.0.12.13.022.02.714.92.723.23.542.47.438.95.411.21.730.22.516.11.717.80.8
helicopter0.70.70.0.0.0.4.22.93.43.38.82.67.71.810.62.420.53.318.05.719.54.639.52.618.32.155.82.325.40.9
others3.51.50.0.0.0.0.0.3.53.51.11.10.0.0.0.0.0.0.0.0.0.0.90.50.30.31.90.60.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder63.11.841.23.448.63.357.12.657.62.134.33.547.82.350.22.724.52.714.73.427.53.918.71.720.61.69.41.238.20.6
forwarder27.71.652.13.449.33.239.32.636.72.011.32.35.31.07.91.51.60.82.81.62.01.24.00.96.91.05.00.917.80.5
mobile tower yarder6.00.93.81.31.60.82.00.74.00.828.93.222.61.917.42.029.02.928.74.411.42.826.01.925.61.812.81.315.00.5
cable crane0.90.40.60.60.0.1.10.60.40.313.72.415.51.610.61.623.32.724.94.234.84.18.71.225.51.815.01.410.90.4
helicopter0.90.40.0.0.50.50.60.40.60.311.12.38.81.313.01.821.62.628.94.224.23.842.12.221.21.655.72.017.40.5
others1.30.42.41.10.0.0.0.0.70.30.70.70.0.0.90.50.0.0.0.0.0.0.60.30.20.22.10.60.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860963/327294
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder82.71.660.73.669.83.271.82.670.92.053.55.862.43.164.03.738.25.226.86.332.77.630.54.134.23.024.14.362.20.9
forwarder14.21.437.63.529.73.226.92.625.91.99.13.12.00.97.82.13.62.00.0.0.0.6.62.26.21.511.13.116.90.7
mobile tower yarder1.20.41.20.80.0.0.70.51.80.616.84.414.02.35.91.820.74.420.55.89.94.812.23.013.82.23.91.95.60.4
cable crane0.40.30.50.50.0.0.30.30.80.410.53.69.71.913.42.614.93.86.03.423.27.08.22.527.32.814.53.56.20.4
helicopter1.10.40.0.0.50.50.30.30.0.8.93.510.91.99.02.222.64.544.87.034.27.741.74.517.72.445.45.08.70.5
others0.50.30.0.0.0.0.0.0.50.31.31.30.90.60.0.0.0.1.91.90.0.0.80.80.80.60.90.90.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder56.111.7100.0...100.0...0.0.45.924.939.429.225.211.00.0.18.39.831.27.97.16.916.45.324.43.3
forwarder5.75.50.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.02.01.10.8
mobile tower yarder5.45.30.0...0.0...0.0.0.0.0.0.32.711.921.310.932.511.127.87.621.310.94.22.917.02.8
cable crane21.99.70.0...0.0...0.0.29.624.060.629.230.511.621.111.020.910.72.82.745.412.919.05.720.43.1
helicopter5.55.40.0...0.0...100.0.24.521.40.0.5.45.349.913.415.38.338.28.326.111.356.27.233.33.6
others5.45.30.0...0.0...0.0.0.0.0.0.6.26.07.87.512.98.80.0.0.0.2.22.23.61.5
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder73.83.760.39.878.58.579.15.980.77.142.54.654.73.352.53.726.13.622.16.326.95.022.12.218.62.111.81.533.11.0
forwarder12.52.827.68.921.58.510.64.512.86.05.52.12.21.04.61.61.41.00.0.6.02.60.90.51.70.72.80.83.90.4
mobile tower yarder7.52.27.95.40.0.8.23.90.0.30.64.315.92.515.42.725.63.620.66.15.62.426.42.420.72.27.81.216.50.8
cable crane2.01.24.14.10.0.0.0.6.54.513.53.116.02.421.23.125.03.537.27.340.05.513.41.842.82.724.42.022.00.9
helicopter1.41.00.0.0.0.2.22.10.0.7.12.510.42.05.01.620.63.320.16.019.04.536.02.615.01.952.42.323.40.9
others2.81.40.0.0.0.0.0.0.0.0.80.80.80.51.41.01.30.90.0.2.51.71.20.61.20.60.90.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder80.31.560.93.370.73.072.92.471.51.946.63.658.52.258.02.630.22.921.44.027.53.924.81.924.81.814.21.448.80.6
forwarder13.71.336.33.328.83.024.62.325.21.86.91.72.10.76.11.32.10.90.0.3.51.62.30.73.50.74.10.811.00.4
mobile tower yarder2.50.61.91.00.0.1.70.71.70.625.13.114.81.710.61.724.42.720.63.910.12.523.01.917.91.66.91.010.50.4
cable crane1.20.40.90.60.0.0.30.31.20.512.32.312.91.517.72.121.92.621.03.932.94.111.41.436.41.922.31.713.20.4
helicopter1.20.40.0.0.50.50.60.40.0.8.22.110.81.46.91.320.32.535.14.522.93.637.52.216.41.551.52.015.60.4
others1.10.40.0.0.0.0.0.0.50.31.00.70.80.40.70.51.20.71.91.33.01.51.00.51.00.41.00.40.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860964/327295
NFI3
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder77.31.570.91.461.42.233.42.024.14.362.30.9
forwarder19.91.427.11.45.31.04.90.911.13.116.80.7
mobile tower yarder1.20.41.10.311.51.414.81.53.91.95.50.4
cable crane0.40.20.50.211.11.419.11.714.53.56.20.4
helicopter0.80.30.20.110.11.427.01.945.45.08.60.5
others0.40.20.30.20.60.40.70.40.90.90.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder58.411.3100.0.38.117.319.74.116.45.324.33.3
forwarder5.45.20.0.0.0.0.0.2.02.01.20.8
mobile tower yarder5.14.90.0.0.0.27.84.54.22.917.22.9
cable crane20.89.30.0.38.317.219.54.019.05.720.23.1
helicopter5.45.20.0.23.714.828.94.656.27.233.63.6
others5.14.90.0.0.0.4.12.02.22.23.41.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder71.83.579.83.951.12.221.91.311.81.533.11.0
forwarder14.62.713.53.43.80.81.70.42.80.84.00.4
mobile tower yarder7.72.03.81.919.31.722.21.37.81.216.50.8
cable crane2.31.21.91.417.01.629.11.524.42.022.00.9
helicopter1.20.81.01.07.81.223.91.452.42.323.30.9
others2.41.20.0.1.00.41.20.40.90.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder76.01.471.71.355.91.525.71.114.21.448.90.6
forwarder18.71.325.81.34.50.72.70.44.10.810.90.4
mobile tower yarder2.40.51.30.315.41.120.01.06.91.010.50.4
cable crane1.10.30.60.214.41.125.11.122.31.713.30.4
helicopter1.00.30.30.29.00.925.31.151.52.015.60.5
others0.80.30.30.20.80.31.20.31.00.40.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860965/327296
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder63.32.041.03.547.63.455.82.857.32.135.15.350.23.155.53.726.74.020.55.022.66.124.63.325.22.412.52.645.90.9
forwarder31.51.952.53.650.13.342.22.837.82.118.74.36.71.67.72.03.41.73.22.31.91.96.91.910.61.79.42.326.00.7
mobile tower yarder3.30.73.21.31.70.81.00.63.70.814.13.722.72.611.82.418.03.624.45.513.44.816.72.817.22.17.32.08.70.5
cable crane0.70.30.60.60.0.1.00.60.40.314.63.89.21.85.91.722.13.97.83.429.36.72.41.219.72.29.12.25.70.4
helicopter0.50.30.0.0.50.50.0.0.40.316.44.211.21.917.42.828.94.242.46.332.96.848.23.827.22.556.63.912.90.6
others0.60.32.61.20.0.0.0.0.50.31.11.10.0.1.71.00.80.81.71.70.0.1.20.90.0.5.01.70.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder44.311.7100.0...100.0...0.0.45.924.969.726.017.39.218.29.522.19.822.06.916.08.57.33.520.63.0
forwarder6.26.00.0...0.0...0.0.0.0.0.0.0.0.0.0.5.04.95.84.00.0.3.62.53.21.3
mobile tower yarder22.09.80.0...0.0...0.0.0.0.0.0.27.810.729.510.812.98.813.45.622.19.63.72.614.22.5
cable crane5.45.30.0...0.0...0.0.29.624.030.326.025.310.817.39.128.711.25.53.85.35.19.34.012.42.4
helicopter16.58.70.0...0.0...100.0.24.521.40.0.29.611.134.911.531.311.853.58.356.611.472.36.148.03.6
others5.75.50.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.72.61.60.9
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.74.036.09.658.210.265.26.964.68.632.94.344.33.343.23.723.53.410.14.328.44.916.01.916.91.98.51.226.00.9
forwarder17.93.255.710.041.810.220.35.819.37.15.02.03.41.27.21.91.30.91.91.81.21.22.40.84.01.03.10.85.70.5
mobile tower yarder14.32.98.35.60.0.8.44.09.35.139.54.422.82.822.93.131.63.729.26.510.03.228.82.330.02.413.01.422.50.8
cable crane1.91.10.0.0.0.1.81.80.0.12.32.921.52.715.62.722.13.437.36.837.05.210.71.629.42.314.41.517.20.8
helicopter0.70.70.0.0.0.4.22.93.43.39.22.68.01.811.22.421.53.321.65.723.44.641.32.619.12.059.02.127.60.9
others3.41.50.0.0.0.0.0.3.53.51.11.10.0.0.0.0.0.0.0.0.0.0.80.50.60.42.00.61.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder62.61.740.83.348.73.257.22.657.72.133.73.347.32.249.62.624.42.516.13.325.93.618.91.620.61.59.31.136.90.6
forwarder28.41.652.53.449.33.239.22.636.72.010.52.25.11.07.41.42.10.82.31.31.81.04.00.86.80.94.50.816.90.4
mobile tower yarder5.80.83.71.31.60.82.00.74.00.829.13.222.61.917.12.025.92.626.93.911.42.624.21.724.11.611.21.114.60.4
cable crane1.00.40.60.60.0.1.10.50.40.313.22.315.21.610.81.622.32.520.63.533.63.97.91.124.51.612.91.210.60.4
helicopter0.90.30.0.0.50.50.60.40.50.312.52.49.81.314.21.825.02.533.34.027.33.744.12.123.71.659.41.820.10.5
others1.30.42.31.00.0.0.0.0.70.31.10.80.0.0.90.50.30.30.80.80.0.0.90.40.30.22.80.60.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860966/327297
NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder82.81.559.93.569.23.271.92.671.51.949.85.461.13.064.03.536.84.427.95.638.66.929.33.432.22.620.93.159.50.8
forwarder14.21.438.43.530.33.126.92.525.51.98.72.81.90.87.01.93.41.70.0.0.0.5.11.75.41.26.61.915.60.6
mobile tower yarder1.10.41.10.80.0.0.70.51.70.616.84.113.42.15.91.714.63.215.24.57.63.813.22.611.71.83.51.45.50.4
cable crane0.30.20.50.50.0.0.30.30.80.411.13.410.91.912.62.515.53.34.52.521.75.98.02.126.82.511.72.56.80.4
helicopter1.00.40.0.0.50.50.30.30.0.12.43.712.01.99.92.228.94.149.36.232.06.643.93.823.02.356.73.812.20.5
others0.50.30.0.0.0.0.0.0.50.31.11.10.80.60.60.60.80.83.12.20.0.0.60.60.90.50.60.60.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder56.111.7100.0...100.0...0.0.45.924.939.429.223.610.50.0.18.39.830.27.75.35.114.44.722.23.0
forwarder5.75.50.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.81.81.00.7
mobile tower yarder5.45.30.0...0.0...0.0.0.0.0.0.30.611.317.59.232.511.127.07.415.88.43.72.615.52.6
cable crane21.99.70.0...0.0...0.0.29.624.060.629.234.911.723.410.420.910.72.72.744.011.120.15.421.83.0
helicopter5.55.40.0...0.0...100.0.24.521.40.0.5.04.946.912.115.38.340.18.234.810.758.06.735.63.5
others5.45.30.0...0.0...0.0.0.0.0.0.5.85.612.28.112.98.80.0.0.0.2.01.93.81.4
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.
outside perimeterskidder74.53.660.39.879.38.279.15.980.77.140.84.454.53.254.03.628.03.625.66.225.54.721.22.120.62.112.31.432.70.9
forwarder12.12.727.68.920.78.210.64.512.86.06.32.22.10.94.31.51.30.90.0.5.42.41.10.62.30.82.80.73.90.4
mobile tower yarder7.32.17.95.40.0.8.23.90.0.30.54.215.72.414.92.624.53.420.25.75.02.226.72.319.12.06.61.115.80.7
cable crane2.01.14.14.10.0.0.0.6.54.514.33.116.12.420.93.024.63.434.66.738.25.213.51.840.92.523.01.821.60.8
helicopter1.30.90.0.0.0.2.22.10.0.7.42.410.82.04.61.520.53.219.65.623.64.636.32.516.21.954.62.124.90.8
others2.71.40.0.0.0.0.0.0.0.0.80.80.80.51.30.91.20.90.0.2.21.61.10.61.00.50.70.41.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder80.71.460.23.370.22.972.92.472.01.944.33.457.82.258.82.531.42.723.43.729.03.724.21.825.41.614.31.347.30.6
forwarder13.61.237.03.329.32.924.62.324.81.87.21.72.00.65.61.22.10.80.0.3.11.42.30.63.60.73.50.710.30.4
mobile tower yarder2.40.51.90.90.0.1.60.71.60.524.83.014.41.610.31.620.82.417.43.38.82.222.51.715.71.35.70.810.00.4
cable crane1.10.40.90.60.0.0.30.31.10.513.02.213.51.517.11.921.42.418.43.331.13.811.21.334.71.820.31.413.40.4
helicopter1.20.40.0.0.50.50.60.40.0.9.82.111.51.47.21.323.12.437.64.125.43.538.92.019.71.555.31.818.10.4
others1.00.40.0.0.0.0.0.0.50.30.90.60.80.41.00.51.30.73.11.52.71.30.90.40.90.40.80.30.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860967/327298
NFI3
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder77.41.571.01.460.02.132.41.720.93.159.60.8
forwarder20.01.427.01.45.00.94.20.76.61.915.50.6
mobile tower yarder1.10.41.00.311.21.412.51.23.51.45.40.4
cable crane0.40.20.50.211.61.418.31.411.72.56.80.4
helicopter0.80.30.20.111.51.431.71.756.73.812.10.5
others0.40.20.30.20.80.40.90.40.60.60.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder58.411.3100.0.38.117.317.83.714.44.722.23.0
forwarder5.45.20.0.0.0.0.0.1.81.81.00.7
mobile tower yarder5.14.90.0.0.0.25.14.23.72.615.72.6
cable crane20.89.30.0.38.317.221.44.020.15.421.63.0
helicopter5.45.20.0.23.714.831.04.558.06.735.93.5
others5.14.90.0.0.0.4.72.02.01.93.71.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder72.53.480.03.951.12.122.61.312.31.432.70.9
forwarder14.32.613.43.33.80.81.90.42.80.73.90.4
mobile tower yarder7.52.03.71.819.01.721.41.36.61.115.80.7
cable crane2.31.11.91.317.21.628.41.423.01.821.60.8
helicopter1.20.81.00.98.01.124.61.354.62.124.90.8
others2.31.10.0.0.90.41.10.30.70.41.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder76.21.371.91.355.31.526.21.014.31.347.30.6
forwarder18.71.225.71.34.40.62.70.43.50.710.30.4
mobile tower yarder2.30.51.30.315.11.118.10.95.70.810.00.4
cable crane1.10.30.60.214.61.124.11.020.31.413.40.4
helicopter0.90.30.30.19.80.927.71.055.31.818.10.5
others0.80.30.30.10.80.31.30.30.80.30.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860968/327299
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder63.11.941.73.547.43.455.82.857.42.135.85.248.83.055.43.628.64.021.15.020.65.323.53.024.22.311.72.344.90.8
forwarder31.81.952.03.650.43.342.32.837.52.117.84.27.01.67.92.03.21.63.12.21.61.57.41.89.71.68.62.025.20.7
mobile tower yarder3.30.73.11.31.70.81.00.63.80.813.53.522.52.511.12.317.43.423.25.314.64.615.82.616.02.06.31.88.60.5
cable crane0.70.30.60.60.0.1.00.60.40.315.03.89.41.76.61.821.93.77.43.225.95.82.61.219.52.17.81.95.80.4
helicopter0.50.30.0.0.50.50.0.0.40.316.84.112.31.917.42.728.24.043.66.137.56.449.23.530.62.559.33.514.50.6
others0.60.32.61.20.0.0.0.0.50.31.11.10.0.1.60.90.80.81.61.60.0.1.50.90.0.6.41.81.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder44.311.7100.0...100.0...0.0.45.924.969.726.017.39.216.48.720.99.321.46.718.68.47.23.520.32.9
forwarder6.26.00.0...0.0...0.0.0.0.0.0.0.0.0.0.4.74.65.63.90.0.3.62.53.01.2
mobile tower yarder22.09.80.0...0.0...0.0.0.0.0.0.27.810.726.59.912.28.313.05.519.08.43.72.613.72.4
cable crane5.45.30.0...0.0...0.0.29.624.030.326.025.310.815.68.327.210.75.33.74.54.49.13.911.92.3
helicopter16.58.70.0...0.0...100.0.24.521.40.0.29.611.141.511.235.011.752.08.257.910.672.86.049.13.6
others5.75.50.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.2.82.70.0.3.62.52.01.0
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 perimeterskidder62.04.036.09.658.210.265.96.864.68.632.94.344.03.242.93.623.13.49.64.127.44.816.01.917.21.98.51.225.80.9
forwarder17.83.255.710.041.810.219.95.719.37.15.02.03.41.27.11.91.30.91.81.71.11.12.30.83.91.03.20.85.70.5
mobile tower yarder14.22.98.35.60.0.8.34.09.35.139.54.422.82.722.73.131.93.729.46.310.83.228.42.330.22.312.71.422.40.8
cable crane1.91.10.0.0.0.1.81.80.0.12.32.921.62.716.12.721.83.337.06.635.75.010.51.629.12.314.21.517.10.8
helicopter0.70.70.0.0.0.4.12.93.43.39.22.68.31.811.12.421.93.322.25.525.04.742.02.519.12.059.42.128.00.9
others3.41.50.0.0.0.0.0.3.53.51.11.10.0.0.0.0.0.0.0.0.0.0.80.50.50.42.00.61.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder62.51.741.43.348.53.257.32.657.82.134.03.346.52.249.52.525.12.516.03.224.33.318.81.620.41.59.21.036.40.6
forwarder28.61.652.13.449.53.239.12.636.52.010.32.15.31.07.41.42.00.82.11.21.71.04.20.86.40.94.50.716.60.4
mobile tower yarder5.70.83.71.31.60.81.90.74.10.828.53.122.41.816.61.925.62.526.13.712.22.623.31.723.41.510.61.114.30.4
cable crane1.00.40.60.60.0.1.10.50.40.313.42.315.21.611.41.622.12.420.13.431.43.67.61.124.01.512.31.210.60.4
helicopter0.90.30.0.0.50.50.60.40.50.312.72.310.51.314.21.825.02.535.03.930.43.645.02.025.51.660.31.721.00.5
others1.30.42.31.00.0.0.0.0.70.31.10.80.0.0.80.50.30.30.80.70.0.1.20.40.30.23.10.61.00.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860969/327300
NFI3
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder77.31.471.61.359.52.032.41.620.13.059.60.8
forwarder19.91.326.51.34.90.94.30.76.61.915.40.6
mobile tower yarder1.30.41.00.311.21.312.71.23.21.35.50.4
cable crane0.30.20.40.212.41.418.21.311.82.46.90.4
helicopter0.70.30.30.111.31.331.61.657.73.612.10.5
others0.40.20.30.20.70.30.80.30.50.50.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder60.410.9100.0.30.712.817.63.615.84.622.42.9
forwarder5.15.00.0.0.0.0.0.1.61.61.00.7
mobile tower yarder4.84.70.0.15.910.324.64.04.82.716.12.5
cable crane19.88.90.0.31.112.921.03.819.25.020.92.8
helicopter5.15.00.0.22.311.432.44.457.16.336.33.3
others4.84.70.0.0.0.4.31.91.71.73.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder72.03.379.73.751.12.023.21.212.21.333.10.9
forwarder13.22.512.63.13.60.82.00.42.90.73.90.4
mobile tower yarder9.02.15.02.018.51.621.51.25.91.015.70.7
cable crane2.61.21.71.217.71.527.71.323.31.721.50.8
helicopter1.10.80.90.98.21.124.61.354.82.024.90.8
others2.11.00.0.0.80.41.00.30.80.41.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder76.11.372.31.254.91.426.51.014.21.247.50.5
forwarder18.51.225.21.24.20.62.80.43.60.610.20.4
mobile tower yarder2.70.51.40.315.01.018.20.85.30.810.00.4
cable crane1.10.30.60.215.41.023.60.920.51.413.40.4
helicopter0.80.30.30.29.80.827.81.055.61.718.20.4
others0.80.30.20.10.70.21.10.20.80.30.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860970/327301
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder58.61.854.91.550.32.325.51.915.03.648.20.9
forwarder35.91.741.51.59.91.48.61.212.13.327.60.8
mobile tower yarder3.40.72.60.517.61.719.11.79.82.98.70.5
cable crane0.50.30.50.29.31.316.71.612.53.35.40.4
helicopter0.40.20.30.212.21.530.01.947.65.09.50.5
others1.10.40.30.20.60.40.0.3.11.70.60.1
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder47.311.5100.0.50.817.720.54.18.24.021.93.1
forwarder5.75.60.0.0.0.3.11.84.12.83.51.4
mobile tower yarder20.89.30.0.0.0.20.44.14.22.914.82.7
cable crane5.14.90.0.25.515.514.53.610.44.412.82.5
helicopter15.88.40.0.23.714.841.45.071.06.645.93.8
others5.45.20.0.0.0.0.0.2.12.11.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder57.63.863.44.741.82.218.11.28.31.326.70.9
forwarder23.53.325.14.35.31.02.40.53.50.95.90.5
mobile tower yarder13.62.66.72.526.81.929.31.514.31.623.30.9
cable crane1.71.00.90.917.01.623.61.416.11.717.70.8
helicopter0.60.62.91.78.91.226.21.455.82.325.40.9
others3.01.31.01.00.20.20.40.21.90.60.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.21.655.71.545.91.520.81.09.41.238.30.6
forwarder33.11.540.01.47.40.84.50.55.00.917.70.5
mobile tower yarder5.60.72.90.522.21.325.31.112.81.315.00.5
cable crane0.80.30.50.213.41.120.71.015.01.410.80.4
helicopter0.70.30.50.210.61.028.41.155.72.017.30.5
others1.50.40.30.20.40.20.20.12.10.60.70.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860971/327302
NFI3
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder77.21.570.91.459.82.132.21.721.33.259.60.8
forwarder20.21.427.11.45.11.04.30.87.02.015.70.6
mobile tower yarder1.10.41.10.311.31.412.81.23.11.45.50.4
cable crane0.40.20.50.211.81.418.81.511.62.56.90.4
helicopter0.80.30.20.111.21.430.91.756.53.911.70.5
others0.40.20.30.20.80.41.00.40.60.60.60.1
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder58.411.3100.0.38.117.318.03.714.64.822.43.0
forwarder5.45.20.0.0.0.0.0.1.81.81.10.7
mobile tower yarder5.14.90.0.0.0.25.44.23.72.615.82.6
cable crane20.89.30.0.38.317.220.63.920.55.521.33.0
helicopter5.45.20.0.23.714.831.34.557.36.835.73.5
others5.14.90.0.0.0.4.72.12.02.03.71.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder72.23.479.83.951.02.122.21.311.91.432.40.9
forwarder14.52.713.53.43.70.81.80.42.80.73.90.4
mobile tower yarder7.62.03.81.918.81.721.61.36.81.115.90.7
cable crane2.31.11.91.417.41.628.71.423.21.821.90.8
helicopter1.20.81.01.08.21.224.61.354.52.124.90.8
others2.41.20.0.0.90.41.10.30.70.41.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder76.01.471.71.355.21.525.81.014.11.347.20.6
forwarder18.91.225.81.34.30.62.70.43.60.710.40.4
mobile tower yarder2.30.51.30.315.01.118.40.95.80.910.10.4
cable crane1.10.30.60.214.81.124.41.020.61.513.50.4
helicopter0.90.30.30.29.80.927.41.055.11.817.90.5
others0.80.30.30.10.90.31.30.30.80.30.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860972/327303
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder58.01.754.91.548.82.124.11.511.72.345.00.8
forwarder36.71.741.51.59.21.27.00.98.62.025.10.7
mobile tower yarder3.20.62.60.517.11.616.71.36.31.88.70.5
cable crane0.60.30.50.29.51.215.21.37.81.95.90.4
helicopter0.40.20.30.214.71.536.31.759.33.514.40.6
others1.10.40.30.20.70.40.60.36.41.81.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder47.311.5100.0.50.817.719.43.77.23.520.42.9
forwarder5.75.60.0.0.0.2.71.53.62.53.11.2
mobile tower yarder20.89.30.0.0.0.18.43.63.72.613.62.4
cable crane5.14.90.0.25.515.513.33.29.13.911.82.3
helicopter15.88.40.0.23.714.845.44.772.86.049.13.6
others5.45.20.0.0.0.0.90.93.62.52.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.43.863.84.741.22.118.11.28.51.225.90.9
forwarder23.13.224.84.25.01.02.70.53.20.85.70.5
mobile tower yarder13.42.66.62.426.81.928.21.412.71.422.40.8
cable crane1.71.00.90.917.31.622.51.314.21.517.10.8
helicopter0.60.62.91.79.41.228.11.459.42.128.00.9
others2.91.31.01.00.20.20.50.22.00.60.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder57.91.655.81.445.11.520.60.99.21.036.50.6
forwarder33.81.539.91.47.10.84.40.54.50.716.50.4
mobile tower yarder5.30.72.90.521.81.223.00.910.61.114.40.4
cable crane0.90.30.50.213.51.019.00.912.31.210.60.4
helicopter0.70.30.50.212.21.032.41.060.31.721.00.5
others1.50.40.30.20.50.20.60.23.10.61.00.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860973/327304
NFI3
forest area
rockfall SilvaProtect · main type of harvest
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
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGskidder34.540.0.1.24135.74
forwarder10.8120.0.0.47111.212
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.4700.0.0.21000.657
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total45.720.0.1.83347.52
AIskidder1.9290.0.1.8283.716
forwarder0.0.0.0.0.21000.2100
mobile tower yarder0.21000.0.0.0.0.2100
cable crane0.0.0.0.0.4720.472
helicopter0.4710.0.0.4680.848
others0.0.0.0.0.0.0.0.
total2.5240.0.2.8205.310
ARskidder3.4210.0.2.4245.813
forwarder1.1420.0.0.21001.238
mobile tower yarder0.0.0.0.0.21000.2100
cable crane0.3710.0.0.21000.557
helicopter0.5670.0.0.0.0.567
others0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEskidder56.051.63538.9696.53
forwarder14.9110.0.3.92218.810
mobile tower yarder5.9180.65812.01318.410
cable crane4.6211.63511.01317.210
helicopter7.6160.4717.81615.811
others0.4710.4711.4382.230
total89.344.62175.04168.91
BL/BSskidder11.6100.31002.03213.88
forwarder4.1210.0.0.8504.919
mobile tower yarder0.5720.21000.6581.341
cable crane0.21000.0.0.21000.570
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total16.360.5723.62220.43
FRskidder17.080.0.6.61623.57
forwarder4.9200.0.1.4386.317
mobile tower yarder1.9310.0.3.7215.617
cable crane1.5350.0.1.9313.423
helicopter1.5370.0.0.8512.330
others0.21000.0.0.0.0.2100
total27.050.0.14.4941.43
GEskidder1.2500.0.0.0.1.250
forwarder2.5240.0.0.0.2.524
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLskidder2.1300.21001.0443.323
forwarder0.0.0.0.0.21000.2100
mobile tower yarder0.6571.0440.7492.327
cable crane1.1410.4712.2293.721
helicopter2.1290.5572.7255.317
others0.0.0.21000.21000.471
total6.0162.3276.91415.26
GRskidder20.990.47117.71039.07
forwarder3.7230.0.1.9325.718
mobile tower yarder8.0160.65817.81026.48
cable crane19.0102.52837.7659.35
helicopter17.6102.72718.71039.07
others0.6580.21001.3382.130
total69.856.51795.23171.52
JUskidder20.071.0449.11330.04
forwarder1.6350.21000.6582.328
mobile tower yarder0.0.0.0.0.4700.470
cable crane0.0.0.0.0.21000.2100
helicopter0.21000.0.0.0.0.2100
others0.21000.0.0.0.0.2100
total21.961.24010.31233.43
LUskidder25.860.0.4.72030.55
forwarder1.5350.0.0.21001.733
mobile tower yarder2.7270.0.1.5354.221
cable crane2.5280.0.0.8503.324
helicopter0.21000.0.0.4710.757
others0.0.0.0.0.0.0.0.
total32.840.0.7.61540.42
NEskidder21.960.21003.12325.24
forwarder1.4340.0.0.21001.532
mobile tower yarder0.4710.0.0.0.0.471
cable crane0.21000.0.0.0.0.2100
helicopter0.21000.0.0.0.0.2100
others0.21000.0.0.3710.557
total24.150.21003.62128.03
NWskidder0.9500.0.1.2382.228
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.8560.0.0.7561.537
cable crane1.1480.21001.3402.627
helicopter1.3420.0.0.5711.934
others0.21000.0.0.0.0.2100
total4.3180.21003.8208.27
OWskidder2.6250.21001.6354.419
forwarder0.0.0.0.0.21000.2100
mobile tower yarder2.6270.0.2.2294.818
cable crane1.6350.0.1.7333.323
helicopter3.0230.11003.2246.415
others0.0.0.0.0.0.0.0.
total9.9110.3728.81119.04
SGskidder16.6100.65815.21032.56
forwarder0.8500.0.1.9332.728
mobile tower yarder0.4700.21002.0312.527
cable crane1.8330.4728.01510.213
helicopter2.5290.0.2.0334.521
others0.21000.21000.4700.850
total22.481.53829.4653.33
SHskidder4.3180.0.0.4694.716
forwarder7.6110.0.0.0.7.611
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOskidder14.790.5701.14116.38
forwarder13.590.0.0.95014.49
mobile tower yarder0.6590.0.0.21000.751
cable crane0.0.0.4720.0.0.472
helicopter0.0.0.0.0.0.0.0.
others0.21000.0.0.0.0.2100
total29.030.9502.13032.12
SZskidder6.2170.0.3.3249.512
forwarder0.21000.0.0.21000.471
mobile tower yarder2.5270.21003.0255.717
cable crane3.3230.4694.5198.313
helicopter3.0250.0.1.3384.421
others0.0.0.0.0.21000.2100
total15.390.75612.61028.54
TGskidder12.980.0.1.83014.86
forwarder4.8170.0.0.6585.316
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total17.740.0.2.42620.12
TIskidder6.2181.43810.31317.910
forwarder2.0310.21002.7284.920
mobile tower yarder0.6580.4713.9234.920
cable crane1.9321.24118.51021.69
helicopter14.6114.82052.1571.54
others0.21000.0.0.21000.471
total25.688.01587.73121.32
URskidder1.8330.0.1.6343.422
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.0.0.4710.8501.240
cable crane0.21000.6572.3263.022
helicopter4.4191.6341.4377.414
others0.4710.4720.0.0.849
total6.8153.0246.01415.86
VDskidder57.740.0.9.81367.53
forwarder12.2120.0.1.14113.411
mobile tower yarder1.6350.4714.5206.617
cable crane1.2410.0.3.1254.321
helicopter2.0310.21001.7353.823
others0.0.0.0.0.0.0.0.
total74.730.65820.2995.62
VSskidder10.1142.13015.41127.68
forwarder1.8330.0.0.8502.628
mobile tower yarder4.5211.93119.3925.78
cable crane2.8270.21009.81312.812
helicopter14.9112.82726.3844.16
others0.21000.0.0.8501.045
total34.377.01672.53113.82
ZGskidder2.6210.0.1.3363.914
forwarder0.4710.0.0.0.0.471
mobile tower yarder0.21000.0.1.0361.235
cable crane0.0.0.0.0.21000.2100
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total3.3170.0.2.5205.76
ZHskidder30.650.0.0.65831.25
forwarder13.9100.0.0.210014.110
mobile tower yarder2.1310.0.0.4722.528
cable crane0.6580.0.0.4701.045
helicopter0.0.0.0.0.0.0.0.
others0.6570.0.0.0.0.657
total47.820.0.1.63549.42
Switzerlandskidder383.728.515152.03544.21
forwarder103.840.47118.510122.64
mobile tower yarder35.875.91874.95116.74
cable crane44.478.116104.54157.03
helicopter76.3513.212119.44208.83
others3.5241.4384.9209.814
total647.4137.57474.211159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #860974/327305
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGskidder24.070.0.0.65824.56
forwarder19.580.0.1.04420.58
mobile tower yarder0.6570.0.0.21000.850
cable crane0.0.0.0.0.0.0.0.
helicopter0.4710.0.0.0.0.471
others0.4710.0.0.0.0.471
total44.920.0.1.83346.72
AIskidder1.3340.0.1.7303.018
forwarder0.21000.0.0.4680.657
mobile tower yarder0.0.0.0.0.21000.2100
cable crane0.21000.0.0.21000.468
helicopter0.6570.0.0.4721.043
others0.0.0.0.0.0.0.0.
total2.3250.0.2.8205.19
ARskidder3.5210.0.1.4315.015
forwarder0.7570.0.0.8491.534
mobile tower yarder0.3710.0.0.5550.842
cable crane0.8520.0.0.21000.946
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEskidder43.061.24132.8777.04
forwarder22.990.0.5.61928.58
mobile tower yarder7.8161.43816.61025.88
cable crane6.3170.210012.71219.210
helicopter3.0261.6355.41910.014
others0.4710.0.0.21000.658
total83.544.42173.24161.11
BL/BSskidder8.6130.31001.53710.411
forwarder6.1170.0.1.2407.314
mobile tower yarder0.8570.21000.5701.440
cable crane0.31000.0.0.21000.572
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total15.760.5723.42319.64
FRskidder12.3110.0.4.81917.19
forwarder9.1140.0.1.43810.512
mobile tower yarder1.5340.0.4.7196.216
cable crane1.7330.0.1.6333.423
helicopter1.3400.0.1.0452.330
others0.0.0.0.0.21000.2100
total25.950.0.13.81039.73
GEskidder0.41000.0.0.0.0.4100
forwarder2.7190.0.0.0.2.719
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLskidder1.2400.6571.6343.422
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder1.0440.21000.6581.732
cable crane1.4370.9442.5274.818
helicopter1.4370.5571.9313.921
others0.0.0.0.0.0.0.0.
total4.9182.3276.61413.87
GRskidder13.8120.65812.91227.38
forwarder6.3170.0.2.3298.615
mobile tower yarder9.6140.84927.1837.66
cable crane11.1130.85024.5836.37
helicopter13.4122.92617.61033.97
others0.0.0.21000.6570.850
total54.255.31985.03144.52
JUskidder16.880.8508.31325.95
forwarder3.7220.0.0.8504.520
mobile tower yarder0.4710.21001.0441.635
cable crane0.0.0.0.0.0.0.0.
helicopter0.21000.0.0.0.0.2100
others0.21000.21000.21000.657
total21.361.24010.31232.83
LUskidder19.780.0.2.82622.57
forwarder5.0180.0.0.6575.617
mobile tower yarder4.5200.0.1.8336.316
cable crane2.3290.0.1.4373.723
helicopter0.4710.0.0.9501.340
others0.0.0.0.0.0.0.0.
total31.940.0.7.41539.43
NEskidder21.950.21002.62624.84
forwarder1.3370.0.0.5581.831
mobile tower yarder0.21000.0.0.21000.371
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.4700.470
total23.450.21003.62127.33
NWskidder1.0490.0.1.2442.131
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.9460.0.0.8481.731
cable crane0.5680.21001.1451.834
helicopter1.1480.0.0.5711.637
others0.0.0.0.0.0.0.0.
total3.5210.21003.5217.29
OWskidder1.9310.21001.6343.621
forwarder0.3720.0.0.21000.558
mobile tower yarder3.3220.0.3.1246.414
cable crane1.2410.0.2.0303.224
helicopter2.4270.11001.8334.319
others0.0.0.0.0.0.0.0.
total9.1120.3728.71118.14
SGskidder12.5110.55812.91125.97
forwarder2.1310.21001.0453.325
mobile tower yarder0.21000.21002.8263.325
cable crane1.5380.0.6.9178.415
helicopter3.6240.5703.6247.816
others0.21000.0.0.0.0.2100
total20.191.53827.2748.84
SHskidder2.1300.0.0.0.2.130
forwarder9.090.0.0.4699.48
mobile tower yarder0.21000.0.0.0.0.2100
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.7570.0.0.0.0.757
total11.940.0.0.46912.33
SOskidder11.3110.4720.37012.010
forwarder15.390.21001.43817.08
mobile tower yarder1.7330.0.0.21001.831
cable crane0.0.0.21000.0.0.2100
helicopter0.0.0.0.0.0.0.0.
others0.21000.0.0.21000.570
total28.530.9502.13031.62
SZskidder4.0210.0.2.0316.117
forwarder0.9500.0.0.4711.340
mobile tower yarder4.2210.4695.31810.012
cable crane0.5580.21002.4263.223
helicopter3.4230.0.1.2404.620
others0.4710.0.0.0.0.471
total13.5100.75611.41125.54
TGskidder9.4100.0.1.03710.410
forwarder7.2120.0.0.9458.111
mobile tower yarder0.21000.0.0.21000.470
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.4570.0.0.21000.651
total17.250.0.2.42619.63
TIskidder2.6280.8505.8189.214
forwarder2.2300.4713.4255.918
mobile tower yarder1.2410.21007.4168.715
cable crane1.8330.47111.11313.312
helicopter7.9155.51947.4560.84
others0.6580.0.1.4372.031
total16.3107.31676.3399.92
URskidder0.9440.4710.4691.832
forwarder0.21000.0.0.21000.469
mobile tower yarder0.4710.7570.9442.029
cable crane0.7490.6562.7244.019
helicopter2.5260.8491.4374.718
others0.0.0.0.0.0.0.0.
total4.8182.4275.71512.96
VDskidder30.670.0.7.01637.76
forwarder29.970.0.1.93131.87
mobile tower yarder3.3240.0.6.1179.414
cable crane0.8500.4711.6352.827
helicopter2.8260.21003.1256.118
others0.0.0.0.0.0.0.0.
total67.530.65819.6987.72
VSskidder6.2181.53510.81318.510
forwarder2.0320.4711.5353.922
mobile tower yarder4.3210.94520.5925.78
cable crane0.6580.4717.6158.614
helicopter11.4133.52326.7841.76
others0.0.0.0.0.6580.658
total24.586.81667.7499.02
ZGskidder1.9270.0.1.1393.119
forwarder0.7500.0.0.0.0.750
mobile tower yarder0.21000.0.1.2321.431
cable crane0.0.0.0.0.11000.1100
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total2.9190.0.2.5205.48
ZHskidder27.560.0.0.95028.46
forwarder15.5100.0.0.210015.89
mobile tower yarder3.7230.0.0.3704.022
cable crane0.4710.0.0.21000.658
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total47.120.0.1.63548.82
Switzerlandskidder278.527.716115.84402.02
forwarder163.031.24126.19190.33
mobile tower yarder50.565.320102.04157.83
cable crane32.184.42179.05115.44
helicopter55.9615.611112.94184.53
others3.5240.4714.0227.916
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #860975/327306
NFI4
forest area
rockfall SilvaProtect · main type of harvest
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 SilvaProtectmain type of harvest %± %± %± %± %± %±
n/askidder58.01.754.91.549.42.224.71.612.52.646.00.9
forwarder36.61.741.61.59.11.37.41.09.42.325.90.7
mobile tower yarder3.30.62.50.517.61.717.71.47.32.08.80.5
cable crane0.60.30.50.29.11.215.61.49.12.25.70.4
helicopter0.40.20.30.214.01.534.01.856.63.912.80.6
others1.10.40.30.20.80.40.60.35.01.70.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder47.311.5100.0.50.817.719.73.97.33.520.73.0
forwarder5.75.60.0.0.0.2.81.63.62.53.21.3
mobile tower yarder20.89.30.0.0.0.19.63.83.72.614.22.5
cable crane5.14.90.0.25.515.514.23.49.34.012.32.4
helicopter15.88.40.0.23.714.843.64.872.36.148.13.6
others5.45.20.0.0.0.0.0.3.72.61.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.13.863.44.741.42.118.21.28.51.226.10.9
forwarder23.23.225.14.35.11.02.80.53.10.85.80.5
mobile tower yarder13.42.66.72.526.91.928.21.413.01.422.50.8
cable crane1.71.00.90.917.11.622.71.314.41.517.10.8
helicopter0.60.62.91.79.31.227.71.459.02.127.60.9
others2.91.31.01.00.20.20.50.22.00.61.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder57.81.655.71.545.41.520.80.99.31.137.00.6
forwarder33.71.540.01.47.00.84.60.54.50.816.90.5
mobile tower yarder5.40.72.90.522.11.323.61.011.21.114.60.4
cable crane0.90.30.50.213.21.019.50.912.91.210.60.4
helicopter0.70.30.50.211.71.031.01.159.41.820.00.5
others1.50.40.30.20.50.20.50.22.80.60.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860976/327307
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