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NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %±
outside of perimetern/a0.20.10.0.0.10.10.0.0.0.0.0.0.10.0
high road infrastructure, ground based59.71.09.90.98.91.11.80.52.70.60.80.324.60.5
medium road infrastructure, ground based19.90.99.30.97.61.02.30.63.70.71.70.510.50.4
low road infrastructure, ground based3.30.44.20.65.80.96.71.09.31.13.90.74.90.3
high road infrastructure, supported by cable or helicopter2.70.410.61.07.21.05.50.94.50.72.40.55.00.3
medium road infrastructure, supported by cable or helicopter0.50.19.30.98.51.17.01.09.81.15.20.85.40.3
low road infrastructure, supported by cable or helicopter0.0.4.00.68.11.09.91.215.81.39.81.05.90.3
total86.30.747.31.546.31.933.21.845.81.823.71.556.40.6
inside perimetern/a0.10.10.10.10.0.0.0.0.0.0.30.20.10.0
high road infrastructure, ground based7.00.58.30.98.91.12.80.72.20.52.50.65.80.3
medium road infrastructure, ground based3.80.46.50.85.90.93.10.72.00.51.60.43.90.2
low road infrastructure, ground based0.70.24.90.74.50.87.51.18.01.06.30.94.20.3
high road infrastructure, supported by cable or helicopter1.80.317.71.218.41.516.21.58.91.010.01.19.90.4
medium road infrastructure, supported by cable or helicopter0.30.110.20.911.01.217.31.514.21.321.71.59.50.4
low road infrastructure, supported by cable or helicopter0.0.5.00.75.00.819.91.618.91.434.01.610.30.4
total13.70.752.71.553.71.966.81.854.21.876.31.543.60.6
totaln/a0.30.10.10.10.10.10.0.0.0.0.30.20.20.1
high road infrastructure, ground based66.71.018.31.217.81.54.60.84.90.83.30.630.40.5
medium road infrastructure, ground based23.70.915.81.113.61.35.40.95.70.83.20.614.40.4
low road infrastructure, ground based4.00.49.10.910.31.214.21.417.31.410.21.19.10.4
high road infrastructure, supported by cable or helicopter4.60.428.31.425.61.721.71.713.41.212.41.214.90.4
medium road infrastructure, supported by cable or helicopter0.80.219.51.219.51.524.31.724.01.626.91.614.80.4
low road infrastructure, supported by cable or helicopter0.0.9.00.913.11.329.81.934.71.743.81.716.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900496/364864
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.30.20.50.50.0.0.0.0.20.20.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.10.0
high road infrastructure, ground based40.91.868.73.254.33.371.52.479.41.710.32.312.41.515.52.04.81.41.01.02.41.42.00.63.10.70.50.327.00.5
medium road infrastructure, ground based28.01.714.32.429.03.112.31.79.81.38.32.013.41.611.21.72.81.01.81.21.81.01.40.54.20.81.50.510.80.4
low road infrastructure, ground based5.60.91.40.84.01.30.80.50.60.43.81.43.60.95.61.33.21.18.12.63.11.54.91.09.11.22.90.74.20.3
high road infrastructure, supported by cable or helicopter2.80.63.51.31.70.80.80.54.10.96.61.712.21.56.61.49.11.85.62.27.82.34.10.94.70.92.10.64.80.3
medium road infrastructure, supported by cable or helicopter0.70.30.0.0.40.40.90.50.20.27.72.07.31.19.01.57.41.78.02.65.72.06.31.17.91.14.00.84.30.3
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.2.11.11.40.50.50.47.21.720.83.77.72.46.21.112.71.35.30.93.80.3
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 perimetern/a0.10.10.0.0.0.0.30.30.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.10.0
high road infrastructure, ground based10.21.17.81.86.21.66.51.33.50.89.32.111.71.513.41.93.31.21.91.39.22.53.10.82.40.62.60.66.40.3
medium road infrastructure, ground based6.00.93.11.12.51.04.51.11.10.56.21.78.71.38.81.55.31.41.01.05.91.93.40.82.10.61.70.54.20.3
low road infrastructure, ground based1.00.40.0.1.90.90.60.40.40.38.42.03.30.84.31.16.71.63.81.97.12.38.61.27.51.17.11.04.30.3
high road infrastructure, supported by cable or helicopter3.90.70.90.60.0.1.10.60.70.420.22.816.41.717.62.123.02.719.73.826.23.818.81.710.01.211.61.310.50.4
medium road infrastructure, supported by cable or helicopter0.40.20.0.0.0.0.80.50.0.9.92.18.41.36.31.317.22.416.63.615.83.219.11.715.61.524.71.79.70.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.6.91.81.20.50.90.510.01.911.93.17.32.322.31.920.71.635.61.99.90.4
total21.71.511.82.210.62.113.71.85.71.061.33.549.62.351.42.765.53.054.84.771.63.975.21.958.32.083.71.545.00.6
totaln/a0.40.20.50.50.0.0.30.30.20.20.40.40.0.0.30.30.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based51.11.876.42.960.53.377.92.282.91.619.62.924.12.028.92.58.11.72.91.611.62.85.01.05.50.93.10.733.30.5
medium road infrastructure, ground based34.01.717.42.631.53.116.82.010.91.314.52.622.11.920.02.28.11.72.71.57.82.14.81.06.31.03.20.715.00.5
low road infrastructure, ground based6.60.91.40.85.91.61.40.61.00.412.22.46.91.29.91.69.91.911.93.110.22.713.41.516.61.510.11.28.40.4
high road infrastructure, supported by cable or helicopter6.80.94.41.41.70.82.00.74.80.926.83.128.72.124.22.332.13.025.34.233.94.122.91.914.71.413.71.415.30.5
medium road infrastructure, supported by cable or helicopter1.10.40.0.0.40.41.70.70.20.217.52.715.71.615.31.924.62.724.64.221.53.525.41.923.51.728.81.814.00.5
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.9.02.12.60.71.50.717.22.432.74.415.13.128.52.033.31.940.91.913.80.4
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, 25.09.2020 #900497/364865
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.30.20.50.50.0.0.0.0.20.20.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.10.0
high road infrastructure, ground based40.41.868.73.153.73.371.52.479.11.710.12.212.51.515.01.95.21.30.80.83.41.51.90.62.90.60.80.325.30.5
medium road infrastructure, ground based28.31.614.62.429.83.012.31.710.41.37.71.912.91.511.71.73.11.02.21.31.60.92.10.63.80.71.50.410.50.4
low road infrastructure, ground based6.30.91.30.84.21.30.80.50.60.34.91.54.00.95.51.24.11.29.12.52.81.45.81.09.51.13.40.74.70.3
high road infrastructure, supported by cable or helicopter2.90.63.41.31.60.80.80.54.00.86.71.712.31.57.41.49.61.74.61.98.82.35.30.94.50.82.20.54.90.3
medium road infrastructure, supported by cable or helicopter0.70.30.0.0.40.40.90.50.20.28.92.18.21.29.31.59.81.87.42.27.02.06.61.09.51.15.10.85.10.3
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.2.31.11.70.60.80.48.41.623.63.58.22.38.41.214.31.38.21.05.10.3
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 perimetern/a0.10.10.0.0.0.0.30.30.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.10.0
high road infrastructure, ground based10.01.17.61.86.01.66.51.33.40.89.12.011.61.512.81.83.21.11.51.18.22.23.00.72.30.62.70.66.00.3
medium road infrastructure, ground based5.90.83.01.12.41.04.41.11.10.45.81.68.31.38.51.44.61.20.80.85.31.73.10.72.00.51.50.44.00.3
low road infrastructure, ground based0.90.40.0.1.80.90.60.40.40.37.81.93.10.84.01.06.51.44.71.96.42.17.81.18.01.06.50.94.30.3
high road infrastructure, supported by cable or helicopter3.80.70.90.60.0.1.10.60.70.419.72.715.91.717.02.020.02.317.93.323.43.417.21.69.21.110.61.110.00.4
medium road infrastructure, supported by cable or helicopter0.40.20.0.0.0.0.80.50.0.9.22.08.21.26.81.315.32.116.03.216.63.117.91.614.61.322.61.59.60.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.7.51.81.30.50.90.510.11.811.32.88.32.220.81.719.41.534.51.710.30.4
total21.21.411.52.110.22.013.71.85.61.059.53.548.52.250.12.659.72.952.34.468.23.869.91.955.51.878.71.544.30.6
totaln/a0.40.20.50.50.0.0.30.30.20.20.40.40.0.0.30.30.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based50.41.876.32.959.73.278.02.282.51.619.22.824.12.027.82.48.51.72.41.311.62.64.90.95.20.83.50.731.30.5
medium road infrastructure, ground based34.21.717.62.632.33.116.72.011.41.413.52.421.21.820.22.17.71.53.01.56.91.95.20.95.80.93.00.614.40.4
low road infrastructure, ground based7.30.91.30.86.01.61.40.61.00.412.62.37.11.29.61.510.61.813.83.19.12.413.61.417.51.410.01.19.00.4
high road infrastructure, supported by cable or helicopter6.70.94.31.41.60.82.00.74.70.926.43.028.22.024.42.329.62.722.53.632.23.822.61.713.61.312.81.215.00.5
medium road infrastructure, supported by cable or helicopter1.10.40.0.0.40.41.70.70.20.218.12.716.41.616.11.925.12.523.33.723.63.424.41.824.21.627.81.614.70.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.9.82.13.00.71.60.718.52.335.04.116.53.029.31.933.71.842.81.715.40.4
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, 25.09.2020 #900498/364866
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.30.20.40.40.0.0.0.0.20.20.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.10.0
high road infrastructure, ground based40.21.868.83.153.53.371.02.478.81.79.92.112.21.514.81.96.01.40.80.83.11.41.80.52.70.60.80.324.60.4
medium road infrastructure, ground based28.61.614.82.430.13.012.71.810.41.38.52.013.21.512.61.73.71.12.11.21.50.82.30.63.70.71.70.510.50.4
low road infrastructure, ground based6.50.91.30.84.21.30.80.50.80.44.81.44.00.95.61.24.01.19.32.53.11.46.71.09.31.13.90.74.90.3
high road infrastructure, supported by cable or helicopter2.80.63.41.21.60.80.80.54.10.86.61.712.61.57.71.49.51.74.41.88.62.25.50.94.50.72.40.55.00.3
medium road infrastructure, supported by cable or helicopter0.70.30.0.0.40.40.90.50.20.29.22.19.01.29.31.59.81.76.92.17.52.07.01.09.81.15.20.85.40.3
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.2.71.11.60.51.00.59.01.723.73.411.12.59.91.215.81.39.81.05.90.3
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 perimetern/a0.10.10.0.0.0.0.30.30.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.10.0
high road infrastructure, ground based9.81.17.51.85.91.56.71.33.40.88.92.011.41.412.41.73.11.01.51.07.52.02.80.72.20.52.50.65.90.3
medium road infrastructure, ground based5.90.83.01.12.41.04.41.11.10.45.71.68.01.28.31.44.41.20.80.74.91.63.10.72.00.51.60.43.90.2
low road infrastructure, ground based0.90.40.0.1.80.90.60.40.40.37.61.93.00.83.91.06.21.44.51.85.81.97.51.18.01.06.30.94.20.3
high road infrastructure, supported by cable or helicopter3.70.70.90.60.0.1.10.60.70.319.42.715.41.616.51.919.92.318.93.321.93.216.21.58.91.010.01.19.80.4
medium road infrastructure, supported by cable or helicopter0.40.20.0.0.0.0.80.50.0.9.02.08.21.26.91.314.62.015.13.116.62.917.31.514.21.321.71.59.50.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.7.41.81.30.50.80.59.71.712.12.88.22.119.91.618.91.434.01.610.30.4
total21.01.411.42.110.12.013.81.85.51.058.43.447.42.248.72.658.02.852.84.265.03.766.81.854.21.876.31.543.60.6
totaln/a0.40.20.40.40.0.0.30.30.20.20.40.40.0.0.20.20.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based50.11.876.32.859.53.277.62.282.21.618.82.723.61.927.22.39.11.72.21.310.62.44.60.84.90.83.30.630.50.5
medium road infrastructure, ground based34.51.717.72.532.53.117.12.011.51.314.22.421.21.820.82.18.11.52.81.46.41.75.40.95.70.83.20.614.40.4
low road infrastructure, ground based7.40.91.30.86.01.61.40.61.10.512.42.37.11.19.51.510.21.713.83.09.02.314.21.417.31.410.21.19.10.4
high road infrastructure, supported by cable or helicopter6.60.94.21.41.60.81.90.74.80.925.93.028.02.024.22.229.42.623.33.530.63.521.71.713.41.212.41.214.80.4
medium road infrastructure, supported by cable or helicopter1.10.40.0.0.40.41.70.70.20.218.22.717.31.616.11.924.42.522.03.524.23.324.31.724.01.626.91.614.80.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.10.12.12.90.71.90.718.82.235.94.019.33.129.81.934.71.743.81.716.20.4
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, 25.09.2020 #900499/364867
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %±
outside of perimetern/a0.30.20.10.10.10.10.0.0.0.0.10.0
high road infrastructure, ground based47.21.671.81.313.01.12.80.40.50.327.00.5
medium road infrastructure, ground based24.81.414.51.011.61.02.70.41.50.510.70.4
low road infrastructure, ground based4.60.71.30.34.30.66.30.62.90.74.20.3
high road infrastructure, supported by cable or helicopter2.90.52.60.59.30.95.50.62.10.64.80.3
medium road infrastructure, supported by cable or helicopter0.50.20.40.28.00.87.10.64.00.84.30.3
low road infrastructure, supported by cable or helicopter0.0.0.0.1.20.39.80.75.30.93.80.3
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimetern/a0.10.10.10.10.10.10.0.0.30.20.10.0
high road infrastructure, ground based9.71.05.00.611.81.03.30.42.60.66.40.3
medium road infrastructure, ground based5.40.72.50.58.40.93.30.41.70.54.30.3
low road infrastructure, ground based0.80.30.70.34.50.77.40.77.11.04.20.3
high road infrastructure, supported by cable or helicopter3.30.60.70.217.51.216.80.911.61.310.50.4
medium road infrastructure, supported by cable or helicopter0.30.20.30.17.90.817.00.924.71.79.60.4
low road infrastructure, supported by cable or helicopter0.0.0.0.2.20.517.91.035.61.910.00.4
total19.61.39.30.952.41.665.81.283.71.545.10.6
totaln/a0.40.20.20.10.20.10.0.0.30.20.20.1
high road infrastructure, ground based56.91.676.81.324.81.46.10.63.10.733.30.5
medium road infrastructure, ground based30.21.517.01.120.01.36.00.63.20.715.00.5
low road infrastructure, ground based5.40.72.00.48.90.913.70.910.11.28.40.4
high road infrastructure, supported by cable or helicopter6.20.83.30.526.81.422.31.013.71.415.30.5
medium road infrastructure, supported by cable or helicopter0.90.30.70.215.91.124.11.128.81.814.00.5
low road infrastructure, supported by cable or helicopter0.0.0.0.3.40.627.71.140.91.913.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900500/364868
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %±
outside of perimetern/a0.30.20.10.10.10.10.0.0.0.0.10.0
high road infrastructure, ground based46.61.671.11.312.71.02.80.40.80.324.60.4
medium road infrastructure, ground based25.41.415.21.112.01.03.00.41.70.510.50.4
low road infrastructure, ground based5.30.71.50.44.70.67.20.63.90.74.90.3
high road infrastructure, supported by cable or helicopter2.90.52.60.59.80.95.90.52.40.55.00.3
medium road infrastructure, supported by cable or helicopter0.50.20.40.29.10.98.50.65.20.85.30.3
low road infrastructure, supported by cable or helicopter0.0.0.0.1.70.413.00.89.81.05.90.3
total81.11.290.90.850.11.540.41.123.71.556.30.6
inside perimetern/a0.10.10.10.10.10.10.0.0.30.20.10.0
high road infrastructure, ground based9.40.94.90.611.21.03.00.42.50.65.90.3
medium road infrastructure, ground based5.30.72.40.57.80.82.90.41.60.43.90.2
low road infrastructure, ground based0.70.30.70.24.10.67.10.66.30.94.20.3
high road infrastructure, supported by cable or helicopter3.10.50.70.216.61.114.60.810.01.19.80.4
medium road infrastructure, supported by cable or helicopter0.30.20.30.17.90.815.50.821.71.59.50.4
low road infrastructure, supported by cable or helicopter0.0.0.0.2.30.416.50.834.01.610.30.4
total18.91.29.10.849.91.559.61.176.31.543.70.6
totaln/a0.40.20.20.10.20.10.0.0.30.20.20.1
high road infrastructure, ground based56.01.576.01.323.91.35.80.53.30.630.50.5
medium road infrastructure, ground based30.71.417.71.119.71.25.90.53.20.614.40.4
low road infrastructure, ground based6.00.82.20.48.90.914.30.810.21.19.10.4
high road infrastructure, supported by cable or helicopter6.00.73.30.526.41.320.50.912.41.214.90.4
medium road infrastructure, supported by cable or helicopter0.80.30.70.217.01.124.01.026.91.614.80.4
low road infrastructure, supported by cable or helicopter0.0.0.0.3.90.629.51.043.81.716.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900501/364869
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %±
outside of perimetern/a0.30.20.10.10.10.10.0.0.0.0.10.0
high road infrastructure, ground based46.71.671.41.312.91.02.80.40.80.325.30.5
medium road infrastructure, ground based25.21.415.01.111.41.02.90.41.50.410.40.4
low road infrastructure, ground based5.20.71.40.34.70.67.00.63.40.74.70.3
high road infrastructure, supported by cable or helicopter3.00.52.50.59.60.95.90.52.20.55.00.3
medium road infrastructure, supported by cable or helicopter0.50.20.40.28.70.88.30.65.10.85.10.3
low road infrastructure, supported by cable or helicopter0.0.0.0.1.50.411.60.78.21.05.10.3
total80.91.290.90.848.91.538.41.121.31.555.60.6
inside perimetern/a0.10.10.10.10.10.10.0.0.30.20.10.0
high road infrastructure, ground based9.50.94.90.611.51.03.10.42.70.66.10.3
medium road infrastructure, ground based5.30.72.50.58.00.83.00.41.50.44.00.3
low road infrastructure, ground based0.70.30.70.24.30.67.40.66.50.94.30.3
high road infrastructure, supported by cable or helicopter3.20.60.70.217.01.115.10.810.61.110.00.4
medium road infrastructure, supported by cable or helicopter0.30.20.30.17.80.816.00.822.61.59.60.4
low road infrastructure, supported by cable or helicopter0.0.0.0.2.40.517.00.934.51.710.30.4
total19.11.29.10.851.11.561.61.178.71.544.40.6
totaln/a0.40.20.20.10.20.10.0.0.30.20.20.1
high road infrastructure, ground based56.31.676.31.324.41.36.00.53.50.731.30.5
medium road infrastructure, ground based30.51.517.51.119.41.25.80.53.00.614.40.4
low road infrastructure, ground based5.90.72.10.49.00.914.30.810.01.19.00.4
high road infrastructure, supported by cable or helicopter6.10.83.20.526.61.421.00.912.81.215.00.5
medium road infrastructure, supported by cable or helicopter0.80.30.70.216.51.124.31.027.81.614.70.4
low road infrastructure, supported by cable or helicopter0.0.0.0.3.90.628.61.042.81.715.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900502/364870
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber harvest
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.40.40.0.4.94.90.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.20.1
high road infrastructure, ground based88.92.131.013.524.28.654.12.464.15.748.94.675.016.28.96.07.01.548.94.846.53.947.24.315.49.98.44.141.04.986.84.675.53.618.34.882.44.03.72.10.0.50.62.77.92.449.613.081.12.549.20.9
medium road infrastructure, ground based8.01.89.08.717.26.121.62.027.85.431.04.212.512.47.55.19.21.837.24.623.13.338.54.55.04.99.44.227.04.59.74.016.93.29.63.714.93.711.33.53.93.833.32.65.72.142.313.39.21.919.40.7
low road infrastructure, ground based0.40.424.312.633.29.63.80.91.61.63.51.512.512.48.35.721.62.510.22.97.72.113.53.27.37.26.43.75.82.31.91.91.10.811.74.01.41.418.34.319.97.85.71.319.63.60.0.0.50.57.60.5
high road infrastructure, supported by cable or helicopter1.70.90.0.10.76.310.31.56.53.17.12.10.0.31.69.411.31.91.91.315.52.90.80.841.913.025.66.76.22.51.61.65.91.922.65.21.31.313.63.811.66.45.61.216.43.48.07.98.71.98.80.5
medium road infrastructure, supported by cable or helicopter0.40.426.813.39.86.65.71.10.0.6.52.20.0.15.67.119.02.40.90.95.21.80.0.30.412.741.97.316.63.80.0.0.0.24.45.20.0.25.74.911.26.24.71.225.54.00.0.0.0.7.90.5
low road infrastructure, supported by cable or helicopter0.0.9.08.70.0.4.51.00.0.3.11.50.0.28.29.231.92.80.0.1.91.10.0.0.0.8.34.03.52.00.0.0.0.13.54.20.0.27.44.953.49.50.0.24.93.90.0.0.0.6.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.30.30.0.1.21.2..0.0.0.0.1.81.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.30.0.0.0.0.0.0.0.0.0.0.20.1
high road infrastructure, ground based88.710.748.413.228.911.522.12.156.711.924.25.1..8.74.24.20.947.86.520.66.577.19.126.311.410.64.624.03.550.036.159.613.19.03.867.013.42.90.82.42.422.14.14.11.032.012.666.116.414.00.7
medium road infrastructure, ground based0.0.10.97.244.512.317.81.920.99.512.23.9..6.63.73.10.835.56.319.36.618.98.40.0.11.14.615.72.850.036.127.211.94.92.823.912.22.20.72.52.415.23.54.51.114.39.50.0.9.30.6
low road infrastructure, ground based0.0.14.99.75.35.310.91.60.0.9.23.6..9.74.511.81.54.72.65.63.90.0.4.74.70.0.11.02.60.0.0.0.6.13.00.0.8.61.47.74.46.92.511.41.60.0.0.0.9.40.6
high road infrastructure, supported by cable or helicopter11.310.70.0.15.98.627.72.322.410.137.15.7..40.27.014.91.78.63.727.77.54.04.043.112.230.17.028.83.80.0.13.29.054.26.59.18.715.31.829.47.334.04.725.02.253.713.733.916.423.30.9
medium road infrastructure, supported by cable or helicopter0.0.25.911.75.35.313.91.70.0.11.73.7..30.96.926.32.11.51.520.96.60.0.25.911.339.77.313.32.90.0.0.0.16.34.80.0.30.82.336.27.613.83.425.42.20.0.0.0.21.50.8
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.7.21.30.0.4.42.5..4.02.739.72.30.0.5.84.00.0.0.0.8.54.17.22.30.0.0.0.9.53.70.0.39.72.321.86.68.02.729.72.30.0.0.0.22.20.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.3.23.20.10.10.0.0.40.40.0.0.0.0.0.1.20.90.0.0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.40.30.0.0.0.0.0.0.0.0.50.50.20.1
high road infrastructure, ground based88.92.140.59.825.97.038.71.762.65.240.33.575.016.28.73.55.20.848.53.841.63.451.53.921.07.59.53.131.02.985.74.773.93.513.93.180.53.93.00.81.51.544.12.35.01.041.59.780.62.533.40.5
medium road infrastructure, ground based7.71.810.05.726.85.519.81.426.54.724.43.112.512.46.93.05.40.836.63.722.42.935.74.02.42.410.23.120.32.510.94.217.93.17.42.416.03.63.70.93.02.129.22.24.81.029.48.98.91.814.80.5
low road infrastructure, ground based0.40.419.27.823.56.87.20.91.31.35.51.612.512.49.23.515.51.38.22.17.31.911.62.76.04.33.21.98.91.81.91.91.00.79.02.51.21.210.21.412.34.06.01.113.41.50.0.0.50.58.40.4
high road infrastructure, supported by cable or helicopter2.10.90.0.12.55.118.71.49.73.317.52.60.0.37.25.513.61.34.21.617.82.71.20.942.58.927.94.819.52.61.51.56.62.037.54.42.21.515.01.622.85.212.11.522.91.929.08.39.51.915.30.5
medium road infrastructure, supported by cable or helicopter0.40.426.38.98.24.79.61.00.0.8.31.90.0.25.55.223.61.61.10.88.22.00.0.28.18.540.85.314.72.30.0.0.0.20.63.60.0.29.92.126.95.66.81.225.41.90.0.0.0.14.00.5
low road infrastructure, supported by cable or helicopter0.0.4.14.10.0.5.80.80.0.3.51.30.0.12.63.936.81.80.0.2.71.20.0.0.0.8.42.95.61.60.0.0.0.11.62.80.0.37.72.133.55.81.80.628.52.00.0.0.0.13.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900503/364871
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.40.40.0.4.94.90.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.20.1
high road infrastructure, ground based88.62.128.512.524.28.651.72.463.85.547.84.578.914.010.25.66.01.348.64.745.33.846.64.212.88.49.74.239.44.686.84.675.33.616.14.382.14.04.61.80.0.47.62.66.31.843.912.080.92.545.60.8
medium road infrastructure, ground based8.31.88.38.117.26.120.41.928.45.330.54.110.510.56.14.17.81.437.14.622.63.238.14.44.14.08.63.825.34.29.74.017.33.211.03.715.33.78.82.55.33.633.42.47.02.049.012.59.61.918.60.7
low road infrastructure, ground based0.40.430.412.933.29.64.41.01.51.54.11.610.510.56.84.720.32.210.72.98.82.214.63.210.67.25.93.45.22.11.91.91.10.810.33.51.41.417.73.322.86.87.01.319.43.00.0.0.50.58.40.5
high road infrastructure, supported by cable or helicopter1.70.90.0.10.76.310.11.46.33.07.52.20.0.28.78.210.01.61.81.315.12.80.80.841.012.025.56.49.42.81.61.65.81.922.54.81.21.211.02.88.14.66.41.317.62.97.17.08.61.89.00.5
medium road infrastructure, supported by cable or helicopter0.40.424.612.49.86.67.51.20.0.7.22.30.0.22.17.320.62.20.90.96.31.90.0.31.511.640.67.015.83.50.0.0.0.24.24.90.0.26.93.910.44.95.31.221.83.20.0.0.0.9.20.5
low road infrastructure, supported by cable or helicopter0.0.8.38.10.0.5.81.10.0.2.91.50.0.26.08.035.52.60.0.1.91.10.0.0.0.9.74.14.92.10.0.0.0.15.84.20.0.31.14.053.47.90.30.328.03.50.0.0.0.9.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.30.30.0.1.21.2..0.0.0.0.1.81.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.20.1
high road infrastructure, ground based88.710.748.413.228.911.521.82.159.311.424.55.0..8.34.14.30.947.86.520.16.377.19.131.311.410.54.522.93.350.036.159.613.18.13.567.013.43.10.82.22.222.34.04.31.032.012.666.116.413.50.7
medium road infrastructure, ground based0.0.10.97.244.512.317.61.919.79.011.73.7..6.33.62.90.735.56.318.86.518.98.40.0.10.94.514.62.650.036.127.211.96.02.923.912.22.20.72.22.214.83.44.41.014.39.50.0.8.80.5
low road infrastructure, ground based0.0.14.99.75.35.311.11.60.0.8.83.5..9.34.412.81.54.72.65.53.80.0.4.44.40.0.10.22.50.0.0.0.7.03.00.0.8.51.38.94.36.72.511.21.60.0.0.0.9.60.6
high road infrastructure, supported by cable or helicopter11.310.70.0.15.98.627.32.221.19.637.05.6..38.76.914.31.58.63.726.97.34.04.040.111.629.76.927.53.70.0.13.29.053.96.29.18.715.01.626.46.734.04.624.72.153.713.733.916.422.60.8
medium road infrastructure, supported by cable or helicopter0.0.25.911.75.35.313.81.70.0.11.23.6..31.66.825.91.91.51.523.06.80.0.24.110.739.17.216.83.10.0.0.0.14.84.40.0.29.92.138.57.313.43.325.62.20.0.0.0.21.80.8
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.8.11.40.0.5.62.7..5.83.339.82.10.0.5.73.90.0.0.0.9.84.38.02.30.0.0.0.10.23.70.0.40.92.221.86.28.82.829.82.30.0.0.0.23.50.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.3.23.20.10.10.0.0.40.40.0.0.0.0.0.1.20.90.0.0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.30.20.0.0.0.0.0.0.0.0.50.50.20.1
high road infrastructure, ground based88.62.138.99.525.97.037.61.662.95.039.73.478.914.09.13.35.00.748.33.840.53.350.83.921.77.210.13.129.82.885.74.773.83.512.42.880.33.93.40.71.21.242.12.24.90.938.89.380.42.531.40.5
medium road infrastructure, ground based8.01.89.65.526.85.519.11.326.64.623.93.110.510.56.22.84.90.736.63.721.92.935.43.92.12.19.73.019.12.410.94.218.23.18.72.416.33.63.50.83.52.029.32.15.20.934.18.89.31.814.30.4
low road infrastructure, ground based0.40.422.38.023.56.87.60.91.21.25.81.610.510.58.33.215.91.28.62.18.22.012.62.87.64.33.01.88.11.71.91.91.00.78.72.41.21.210.51.214.93.96.91.213.61.40.0.0.50.58.90.4
high road infrastructure, supported by cable or helicopter2.10.90.0.12.55.118.21.39.23.217.82.50.0.34.85.212.51.14.21.517.42.61.20.940.68.327.54.719.92.51.51.56.51.937.14.12.21.514.11.418.64.312.41.522.61.727.17.89.41.915.00.5
medium road infrastructure, supported by cable or helicopter0.40.425.38.68.24.710.51.00.0.8.61.90.0.27.95.023.71.41.10.89.42.10.0.28.08.039.95.116.42.30.0.0.0.19.83.30.0.29.31.926.44.97.11.224.41.80.0.0.0.14.80.4
low road infrastructure, supported by cable or helicopter0.0.3.93.90.0.6.90.90.0.3.91.40.0.13.83.938.01.60.0.2.61.20.0.0.0.9.73.06.71.60.0.0.0.13.22.80.0.38.81.935.45.32.10.729.31.90.0.0.0.15.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900504/364872
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %±
outside of perimetern/a0.20.10.0.0.30.30.0.0.0.0.0.0.20.1
high road infrastructure, ground based69.61.121.51.920.52.46.31.86.51.43.81.545.40.8
medium road infrastructure, ground based22.81.019.21.816.22.27.02.08.61.67.02.018.70.7
low road infrastructure, ground based3.70.49.31.412.62.019.43.021.32.316.12.98.50.5
high road infrastructure, supported by cable or helicopter3.10.422.72.015.82.117.62.910.01.710.52.48.90.5
medium road infrastructure, supported by cable or helicopter0.60.219.21.818.92.321.83.221.42.324.13.49.20.5
low road infrastructure, supported by cable or helicopter0.0.8.21.315.72.128.03.532.12.638.53.89.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.70.50.20.20.0.0.0.0.0.0.40.20.20.1
high road infrastructure, ground based51.22.915.81.617.12.04.31.04.21.03.40.713.60.7
medium road infrastructure, ground based27.52.612.51.411.31.64.41.03.60.91.90.69.00.6
low road infrastructure, ground based5.21.39.41.38.61.511.21.614.51.88.31.19.60.6
high road infrastructure, supported by cable or helicopter13.52.033.52.034.12.524.72.116.51.913.41.422.70.8
medium road infrastructure, supported by cable or helicopter2.10.819.21.720.12.125.62.226.32.228.81.921.70.8
low road infrastructure, supported by cable or helicopter0.0.9.51.38.81.529.82.334.92.443.92.023.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.10.10.10.20.20.0.0.0.0.30.20.20.1
high road infrastructure, ground based67.11.018.41.218.61.54.90.95.20.83.50.731.30.5
medium road infrastructure, ground based23.50.915.61.113.51.35.20.95.80.93.00.614.40.4
low road infrastructure, ground based3.90.49.30.910.41.213.61.417.51.410.01.19.00.4
high road infrastructure, supported by cable or helicopter4.60.528.51.425.81.722.61.713.61.312.81.215.00.5
medium road infrastructure, supported by cable or helicopter0.80.219.21.219.61.524.41.824.21.627.81.614.70.4
low road infrastructure, supported by cable or helicopter0.0.8.90.911.91.329.31.933.71.842.81.715.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900505/364873
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber harvest
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.40.40.0.4.64.60.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.20.1
high road infrastructure, ground based88.62.128.512.525.68.449.72.364.75.447.14.578.914.08.64.85.41.148.24.744.83.845.84.212.28.19.24.035.64.385.44.874.83.615.94.281.14.14.01.60.0.47.72.55.31.641.011.480.52.543.80.8
medium road infrastructure, ground based8.31.88.38.116.25.821.11.927.75.231.54.110.510.55.13.57.21.337.64.522.33.238.24.33.93.910.04.026.54.111.14.217.83.210.93.715.13.68.92.45.03.533.22.47.01.852.412.09.81.918.50.7
low road infrastructure, ground based0.40.430.412.931.49.14.40.91.51.54.11.610.510.58.64.819.02.010.62.98.72.215.33.310.16.95.53.25.52.01.91.91.10.810.13.52.61.818.73.224.56.87.11.320.12.80.0.0.50.58.70.5
high road infrastructure, supported by cable or helicopter1.70.90.0.12.86.410.21.46.13.07.42.10.0.26.67.39.51.51.81.316.22.90.70.739.211.624.16.18.52.61.61.65.71.923.54.91.21.210.92.67.74.36.31.216.52.66.66.68.81.89.00.5
medium road infrastructure, supported by cable or helicopter0.40.424.612.49.36.28.21.20.0.7.12.20.0.21.06.620.72.10.90.96.21.90.0.34.511.440.26.816.13.40.0.0.0.23.94.80.0.24.03.59.94.75.41.221.22.90.0.0.0.9.50.5
low road infrastructure, supported by cable or helicopter0.0.8.38.10.0.6.41.10.0.2.91.40.0.30.17.738.22.50.0.1.91.10.0.0.0.11.04.27.72.50.0.0.0.15.64.20.0.33.53.853.07.70.30.329.93.30.0.0.0.10.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.30.30.0.1.21.2..0.0.0.0.1.81.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.20.1
high road infrastructure, ground based88.710.748.413.228.911.521.92.159.311.424.55.0..8.14.04.10.947.06.420.16.377.19.131.311.412.14.822.23.250.036.159.613.17.93.467.013.43.10.82.12.122.14.04.21.032.012.666.116.413.40.6
medium road infrastructure, ground based0.0.10.97.244.512.317.51.919.79.011.73.7..6.13.53.00.736.66.318.86.518.98.40.0.10.14.114.22.550.036.127.211.95.82.923.912.22.30.72.22.114.63.44.61.014.39.50.0.8.80.5
low road infrastructure, ground based0.0.14.99.75.35.311.11.60.0.8.83.5..9.14.313.01.54.62.65.53.80.0.4.44.40.0.9.92.40.0.0.0.6.82.90.0.8.51.38.54.26.72.411.21.60.0.0.0.9.60.6
high road infrastructure, supported by cable or helicopter11.310.70.0.15.98.627.62.221.19.637.05.6..37.76.714.21.58.53.626.97.34.04.040.111.629.46.627.33.60.0.13.29.055.26.19.18.714.61.625.56.534.64.624.32.153.713.733.916.422.50.8
medium road infrastructure, supported by cable or helicopter0.0.25.911.75.35.313.71.70.0.11.23.6..33.26.825.81.91.51.523.06.80.0.24.110.739.47.017.73.10.0.0.0.14.34.20.0.29.42.137.17.113.33.325.92.20.0.0.0.21.90.8
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.8.01.40.0.5.62.7..5.73.239.92.10.0.5.73.90.0.0.0.9.04.08.62.30.0.0.0.9.93.60.0.41.62.224.76.38.72.829.82.30.0.0.0.23.70.8
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.3.13.10.10.10.0.0.40.40.0.0.0.0.0.1.20.80.0.0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.30.20.0.0.0.0.0.0.0.0.40.40.20.1
high road infrastructure, ground based88.62.138.99.526.76.936.91.663.65.039.33.478.914.08.33.14.70.747.83.840.13.350.03.921.27.010.63.128.12.684.34.873.43.512.22.879.54.03.30.71.21.242.22.24.60.837.39.180.12.530.60.5
medium road infrastructure, ground based8.01.89.65.525.85.419.41.326.14.524.73.110.510.55.72.54.80.737.33.721.62.835.63.92.12.110.02.919.62.312.34.418.73.18.52.416.13.63.80.83.41.929.22.15.40.936.78.79.51.814.30.4
low road infrastructure, ground based0.40.422.38.022.66.67.50.91.21.25.71.610.510.58.83.215.61.28.52.18.11.913.22.97.44.22.81.78.01.61.81.81.00.78.62.32.31.610.91.215.53.97.01.214.21.40.0.0.40.49.10.4
high road infrastructure, supported by cable or helicopter2.10.90.0.13.95.218.21.39.13.117.62.50.0.32.94.912.21.14.11.518.22.71.20.839.78.226.74.519.12.41.51.56.41.938.44.12.11.513.81.417.84.212.41.521.71.726.17.59.61.914.90.4
medium road infrastructure, supported by cable or helicopter0.40.425.38.67.94.510.81.00.0.8.51.90.0.28.04.823.61.41.10.89.42.10.0.29.68.039.84.917.02.30.0.0.0.19.43.20.0.28.21.825.34.87.11.224.31.70.0.0.0.14.90.4
low road infrastructure, supported by cable or helicopter0.0.3.93.90.0.7.10.90.0.3.81.30.0.16.24.039.21.60.0.2.61.10.0.0.0.10.12.98.21.70.0.0.0.13.02.80.0.39.71.937.05.22.10.729.81.90.0.0.0.16.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900506/364874
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %±
outside of perimetern/a0.20.10.0.0.40.40.0.0.0.0.0.0.20.1
high road infrastructure, ground based70.41.122.72.122.02.67.92.47.51.73.01.749.10.9
medium road infrastructure, ground based22.41.021.42.116.62.35.72.110.01.99.22.919.50.7
low road infrastructure, ground based3.30.48.21.412.82.119.63.621.92.617.93.87.60.5
high road infrastructure, supported by cable or helicopter3.20.423.62.115.42.316.43.411.42.012.83.38.70.5
medium road infrastructure, supported by cable or helicopter0.60.217.01.919.12.525.54.018.92.524.74.38.00.5
low road infrastructure, supported by cable or helicopter0.0.7.11.313.72.224.93.930.32.932.34.67.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.70.50.20.20.0.0.0.0.0.0.40.30.20.1
high road infrastructure, ground based51.22.915.61.618.02.14.11.04.21.13.10.814.00.7
medium road infrastructure, ground based27.32.612.91.511.81.74.51.13.71.02.00.69.50.6
low road infrastructure, ground based5.21.39.31.38.51.511.41.612.91.88.51.29.40.6
high road infrastructure, supported by cable or helicopter13.52.034.12.135.22.625.02.217.12.013.81.523.40.9
medium road infrastructure, supported by cable or helicopter2.10.819.41.718.52.125.42.226.72.329.62.021.40.8
low road infrastructure, supported by cable or helicopter0.0.8.51.27.91.529.72.335.52.542.62.122.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.10.10.10.20.20.0.0.0.0.30.20.20.1
high road infrastructure, ground based67.71.018.71.319.71.65.01.05.50.93.10.733.30.5
medium road infrastructure, ground based23.00.916.61.213.91.44.81.06.31.03.20.715.00.5
low road infrastructure, ground based3.60.48.80.910.41.313.41.516.61.510.11.28.40.4
high road infrastructure, supported by cable or helicopter4.60.529.51.526.71.822.91.914.71.413.71.415.30.5
medium road infrastructure, supported by cable or helicopter0.80.218.41.318.71.625.41.923.51.728.81.814.00.5
low road infrastructure, supported by cable or helicopter0.0.7.90.910.41.228.52.033.31.940.91.913.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900507/364875
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %±
outside of perimetern/a0.20.10.0.0.30.30.0.0.0.0.0.0.10.1
high road infrastructure, ground based69.21.121.01.919.22.25.31.66.01.33.21.343.70.8
medium road infrastructure, ground based23.11.019.71.816.52.17.01.88.11.57.01.918.60.7
low road infrastructure, ground based3.80.49.01.312.61.920.12.820.32.216.42.78.70.5
high road infrastructure, supported by cable or helicopter3.20.422.31.915.62.116.52.69.71.610.02.28.90.5
medium road infrastructure, supported by cable or helicopter0.50.219.61.818.52.221.22.921.42.222.13.09.50.5
low road infrastructure, supported by cable or helicopter0.0.8.51.317.42.129.93.334.52.541.23.510.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.70.50.20.20.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based51.22.915.81.616.61.94.21.04.01.03.30.713.40.6
medium road infrastructure, ground based27.62.612.31.411.01.64.61.03.70.92.00.68.90.5
low road infrastructure, ground based5.11.39.31.38.31.511.21.614.71.78.31.19.60.6
high road infrastructure, supported by cable or helicopter13.42.033.72.034.22.524.32.116.41.813.11.422.60.8
medium road infrastructure, supported by cable or helicopter2.10.819.31.720.42.125.92.226.22.228.41.821.70.8
low road infrastructure, supported by cable or helicopter0.0.9.41.29.41.529.82.335.02.344.52.023.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.10.10.10.10.10.0.0.0.0.30.20.20.1
high road infrastructure, ground based66.71.018.31.217.81.54.60.84.90.83.30.630.40.5
medium road infrastructure, ground based23.70.915.81.113.61.35.40.95.70.83.20.614.40.4
low road infrastructure, ground based4.00.49.10.910.31.214.21.417.31.410.21.19.10.4
high road infrastructure, supported by cable or helicopter4.60.428.31.425.61.721.71.713.41.212.41.214.90.4
medium road infrastructure, supported by cable or helicopter0.80.219.51.219.51.524.31.724.01.626.91.614.80.4
low road infrastructure, supported by cable or helicopter0.0.9.00.913.11.329.81.934.71.743.81.716.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900508/364876
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.30.20.50.50.0.0.0.0.20.20.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.20.1
high road infrastructure, ground based52.22.177.83.060.83.582.82.184.21.626.55.324.62.831.83.714.13.82.22.28.34.77.92.47.51.73.01.749.10.8
medium road infrastructure, ground based35.82.016.22.732.43.314.32.010.41.321.44.926.72.922.93.38.02.93.92.76.43.65.72.110.01.99.22.919.60.7
low road infrastructure, ground based7.11.11.50.94.51.50.90.50.60.49.93.47.11.711.52.59.23.117.85.310.85.219.63.621.92.617.93.87.60.5
high road infrastructure, supported by cable or helicopter3.60.83.91.51.90.91.00.64.30.917.14.324.32.813.72.726.24.712.44.827.37.316.43.411.42.012.83.38.70.5
medium road infrastructure, supported by cable or helicopter0.90.40.0.0.50.51.00.60.20.219.84.714.62.218.53.021.44.517.75.320.06.425.54.018.92.524.74.37.90.5
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.5.42.72.81.01.10.821.04.446.06.827.27.424.93.930.32.932.34.67.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.60.60.0.0.0.2.02.00.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.20.1
high road infrastructure, ground based47.23.965.99.358.610.147.27.261.28.815.23.423.62.826.13.35.01.73.42.412.93.44.11.04.21.13.10.814.10.7
medium road infrastructure, ground based27.63.526.28.623.98.632.56.719.57.210.22.717.52.517.22.88.12.11.81.78.32.74.51.13.71.02.00.69.40.6
low road infrastructure, ground based4.51.70.0.17.57.94.12.96.64.513.73.26.61.78.42.110.22.36.93.310.03.211.41.612.91.88.51.29.40.6
high road infrastructure, supported by cable or helicopter18.23.07.95.30.0.8.24.012.65.933.04.233.13.134.23.635.23.735.96.336.64.925.02.217.12.013.81.523.30.9
medium road infrastructure, supported by cable or helicopter1.91.10.0.0.0.5.93.30.0.16.13.416.82.512.32.526.23.430.36.122.14.325.42.226.72.329.62.021.40.8
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.11.22.92.40.91.81.015.32.821.75.410.33.129.72.335.52.542.62.122.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.50.50.0.0.30.30.20.20.40.40.0.0.30.30.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based51.11.876.42.960.53.377.92.282.91.619.62.924.12.028.92.58.11.72.91.611.62.85.01.05.50.93.10.733.30.5
medium road infrastructure, ground based34.01.717.42.631.53.116.82.010.91.314.52.622.11.920.02.28.11.72.71.57.82.14.81.06.31.03.20.715.00.5
low road infrastructure, ground based6.60.91.40.85.91.61.40.61.00.412.22.46.91.29.91.69.91.911.93.110.22.713.41.516.61.510.11.28.40.4
high road infrastructure, supported by cable or helicopter6.80.94.41.41.70.82.00.74.80.926.83.128.72.124.22.332.13.025.34.233.94.122.91.914.71.413.71.415.30.5
medium road infrastructure, supported by cable or helicopter1.10.40.0.0.40.41.70.70.20.217.52.715.71.615.31.924.62.724.64.221.53.525.41.923.51.728.81.814.00.5
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.9.02.12.60.71.50.717.22.432.74.415.13.128.52.033.31.940.91.913.80.4
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, 25.09.2020 #900509/364877
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.30.20.50.50.0.0.0.0.20.20.0.0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.20.1
high road infrastructure, ground based51.32.077.63.059.83.482.92.183.71.624.84.924.22.730.13.513.03.11.71.710.64.66.31.86.51.43.81.545.40.8
medium road infrastructure, ground based35.92.016.52.733.23.314.22.011.01.419.04.425.02.723.43.27.72.54.62.65.22.97.02.08.61.67.02.018.80.7
low road infrastructure, ground based8.01.11.50.94.71.50.90.50.60.412.03.57.81.711.02.310.22.819.04.98.74.219.43.021.32.316.12.98.40.5
high road infrastructure, supported by cable or helicopter3.60.83.91.41.80.91.00.64.20.916.54.023.82.714.82.723.83.99.73.827.76.517.62.910.01.710.52.48.90.5
medium road infrastructure, supported by cable or helicopter0.90.40.0.0.40.41.00.60.20.222.04.615.92.218.62.924.44.015.44.522.05.921.83.221.42.324.13.49.20.5
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.5.72.53.31.11.60.920.83.849.56.125.86.528.03.532.12.638.53.89.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.60.60.0.0.0.2.02.00.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.20.20.1
high road infrastructure, ground based47.23.965.99.358.610.147.27.261.28.815.33.324.02.825.63.25.41.83.02.112.13.24.31.04.21.03.40.713.60.7
medium road infrastructure, ground based27.93.526.28.623.98.632.56.719.57.29.72.617.22.517.02.77.72.01.51.57.82.54.41.03.60.91.90.68.90.6
low road infrastructure, ground based4.51.60.0.17.57.94.12.96.64.513.13.16.51.68.12.010.92.49.03.59.33.011.21.614.51.88.31.19.70.6
high road infrastructure, supported by cable or helicopter18.03.07.95.30.0.8.24.012.65.933.24.232.83.134.03.533.53.634.25.734.34.724.72.116.51.913.41.422.60.8
medium road infrastructure, supported by cable or helicopter1.81.10.0.0.0.5.93.30.0.15.43.316.92.413.62.525.53.330.55.624.44.225.62.226.32.228.81.921.70.8
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.12.63.02.71.01.71.017.02.921.75.012.23.229.82.334.92.443.92.023.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.50.50.0.0.30.30.20.20.40.40.0.0.30.30.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based50.41.876.32.959.73.278.02.282.51.619.22.824.12.027.82.48.51.72.41.311.62.64.90.95.20.83.50.731.30.5
medium road infrastructure, ground based34.21.717.62.632.33.116.72.011.41.413.52.421.21.820.22.17.71.53.01.56.91.95.20.95.80.93.00.614.40.4
low road infrastructure, ground based7.30.91.30.86.01.61.40.61.00.412.62.37.11.29.61.510.61.813.83.19.12.413.61.417.51.410.01.19.00.4
high road infrastructure, supported by cable or helicopter6.70.94.31.41.60.82.00.74.70.926.43.028.22.024.42.329.62.722.53.632.23.822.61.713.61.312.81.215.00.5
medium road infrastructure, supported by cable or helicopter1.10.40.0.0.40.41.70.70.20.218.12.716.41.616.11.925.12.523.33.723.63.424.41.824.21.627.81.614.70.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.9.82.13.00.71.60.718.52.335.04.116.53.029.31.933.71.842.81.715.40.4
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, 25.09.2020 #900510/364878
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.30.20.50.50.0.0.0.0.20.20.0.0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.10.1
high road infrastructure, ground based50.92.077.63.059.63.482.42.283.41.623.74.723.12.628.93.314.43.11.61.68.83.85.31.66.01.33.21.343.70.8
medium road infrastructure, ground based36.11.916.62.633.53.314.82.011.01.420.44.425.02.624.53.28.72.54.42.54.32.47.01.88.11.57.01.918.70.7
low road infrastructure, ground based8.21.11.50.84.71.50.90.50.80.411.53.37.71.610.92.39.42.619.74.89.03.920.12.820.32.216.42.78.70.5
high road infrastructure, supported by cable or helicopter3.60.73.81.41.80.91.00.64.40.915.73.823.92.615.12.622.73.79.23.624.75.716.52.69.71.610.02.28.90.5
medium road infrastructure, supported by cable or helicopter0.90.40.0.0.40.41.00.60.20.222.14.517.22.218.12.823.33.814.74.321.55.321.22.921.42.222.13.09.50.5
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.6.52.63.11.02.01.021.53.750.35.931.76.229.93.334.52.541.23.510.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.60.60.0.0.0.2.02.00.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based46.93.965.99.358.610.148.37.161.28.815.33.324.12.825.43.25.31.72.82.011.63.14.21.04.01.03.30.713.40.6
medium road infrastructure, ground based28.43.526.28.623.98.631.96.619.57.29.72.616.92.516.92.77.62.01.41.47.52.44.61.03.70.92.00.68.90.5
low road infrastructure, ground based4.51.60.0.17.57.94.02.86.64.513.13.16.41.68.02.010.72.38.43.39.02.911.21.614.71.78.31.19.70.6
high road infrastructure, supported by cable or helicopter17.83.07.95.30.0.8.13.912.65.933.24.232.63.033.83.534.33.635.95.633.84.524.32.116.41.813.11.422.50.8
medium road infrastructure, supported by cable or helicopter1.81.10.0.0.0.5.83.30.0.15.43.317.42.414.12.525.23.328.55.325.64.225.92.226.22.228.41.821.70.8
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.12.63.02.71.01.71.016.82.823.04.912.63.229.82.335.02.344.52.023.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.40.40.0.0.30.30.20.20.40.40.0.0.20.20.0.0.0.0.0.0.0.0.0.0.30.20.20.1
high road infrastructure, ground based50.11.876.32.859.53.277.62.282.21.618.82.723.61.927.22.39.11.72.21.310.62.44.60.84.90.83.30.630.50.5
medium road infrastructure, ground based34.51.717.72.532.53.117.12.011.51.314.22.421.21.820.82.18.11.52.81.46.41.75.40.95.70.83.20.614.40.4
low road infrastructure, ground based7.40.91.30.86.01.61.40.61.10.512.42.37.11.19.51.510.21.713.83.09.02.314.21.417.31.410.21.19.10.4
high road infrastructure, supported by cable or helicopter6.60.94.21.41.60.81.90.74.80.925.93.028.02.024.22.229.42.623.33.530.63.521.71.713.41.212.41.214.80.4
medium road infrastructure, supported by cable or helicopter1.10.40.0.0.40.41.70.70.20.218.22.717.31.616.11.924.42.522.03.524.23.324.31.724.01.626.91.614.80.4
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.0.0.0.0.10.12.12.90.71.90.718.82.235.94.019.33.129.81.934.71.743.81.716.20.4
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, 25.09.2020 #900511/364879
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %±
outside of perimetern/a0.40.20.10.10.20.20.0.0.0.0.20.1
high road infrastructure, ground based57.81.778.61.326.42.07.41.03.81.545.50.8
medium road infrastructure, ground based31.11.616.51.123.31.97.51.07.02.018.80.7
low road infrastructure, ground based6.40.91.50.49.61.318.11.416.12.98.40.5
high road infrastructure, supported by cable or helicopter3.60.72.80.519.61.815.41.310.52.48.90.5
medium road infrastructure, supported by cable or helicopter0.70.30.50.217.81.721.51.524.13.49.20.5
low road infrastructure, supported by cable or helicopter0.0.0.0.3.10.830.21.738.53.89.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.50.51.01.00.20.20.0.0.40.20.20.1
high road infrastructure, ground based49.73.653.84.922.51.85.10.63.40.713.60.7
medium road infrastructure, ground based27.73.227.14.415.71.64.80.61.90.69.00.6
low road infrastructure, ground based3.81.47.72.68.41.212.01.08.31.19.60.6
high road infrastructure, supported by cable or helicopter16.72.77.62.633.32.024.51.313.41.422.60.8
medium road infrastructure, supported by cable or helicopter1.60.92.81.615.31.526.01.328.81.921.60.8
low road infrastructure, supported by cable or helicopter0.0.0.0.4.60.927.61.343.92.023.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.20.10.20.10.0.0.30.20.20.1
high road infrastructure, ground based56.31.676.31.324.41.36.00.53.50.731.30.5
medium road infrastructure, ground based30.51.517.51.119.41.25.80.53.00.614.40.4
low road infrastructure, ground based5.90.72.10.49.00.914.30.810.01.19.00.4
high road infrastructure, supported by cable or helicopter6.10.83.20.526.61.421.00.912.81.215.00.5
medium road infrastructure, supported by cable or helicopter0.80.30.70.216.51.124.31.027.81.614.70.4
low road infrastructure, supported by cable or helicopter0.0.0.0.3.90.628.61.042.81.715.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900512/364880
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %±
outside of perimetern/a0.40.20.10.10.20.20.0.0.0.0.20.1
high road infrastructure, ground based58.71.879.11.327.42.18.21.23.01.749.10.8
medium road infrastructure, ground based30.91.716.01.124.42.07.91.19.22.919.60.7
low road infrastructure, ground based5.70.81.50.49.11.318.41.717.93.87.60.5
high road infrastructure, supported by cable or helicopter3.70.72.90.519.61.816.11.612.83.38.70.5
medium road infrastructure, supported by cable or helicopter0.70.30.50.216.81.720.71.724.74.37.90.5
low road infrastructure, supported by cable or helicopter0.0.0.0.2.60.728.71.932.34.67.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.50.51.01.00.20.20.0.0.40.30.20.1
high road infrastructure, ground based49.73.653.84.922.51.85.10.73.10.814.10.7
medium road infrastructure, ground based27.43.227.14.416.01.65.00.72.00.69.50.6
low road infrastructure, ground based3.91.47.72.68.71.211.31.08.51.29.40.6
high road infrastructure, supported by cable or helicopter16.92.77.62.633.52.125.51.313.81.523.30.9
medium road infrastructure, supported by cable or helicopter1.60.92.81.615.01.525.91.329.62.021.40.8
low road infrastructure, supported by cable or helicopter0.0.0.0.4.20.927.21.442.62.122.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.20.10.20.10.0.0.30.20.20.1
high road infrastructure, ground based56.91.676.81.324.81.46.10.63.10.733.30.5
medium road infrastructure, ground based30.21.517.01.120.01.36.00.63.20.715.00.5
low road infrastructure, ground based5.40.72.00.48.90.913.70.910.11.28.40.4
high road infrastructure, supported by cable or helicopter6.20.83.30.526.81.422.31.013.71.415.30.5
medium road infrastructure, supported by cable or helicopter0.90.30.70.215.91.124.11.128.81.814.00.5
low road infrastructure, supported by cable or helicopter0.0.0.0.3.40.627.71.140.91.913.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900513/364881
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest %± %± %± %± %± %±
outside of perimetern/a0.40.20.10.10.20.20.0.0.0.0.10.1
high road infrastructure, ground based57.51.778.21.325.31.97.00.93.21.343.70.8
medium road infrastructure, ground based31.31.616.71.123.91.87.30.97.01.918.70.7
low road infrastructure, ground based6.50.91.60.49.51.217.71.416.42.78.70.5
high road infrastructure, supported by cable or helicopter3.60.72.90.519.61.714.61.310.02.29.00.5
medium road infrastructure, supported by cable or helicopter0.60.30.50.218.31.621.11.422.13.09.50.5
low road infrastructure, supported by cable or helicopter0.0.0.0.3.30.832.21.741.23.510.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.50.51.01.00.20.20.0.0.30.20.20.1
high road infrastructure, ground based49.43.654.34.922.51.85.00.63.30.713.40.6
medium road infrastructure, ground based28.13.226.84.315.51.64.90.62.00.69.00.6
low road infrastructure, ground based3.81.47.72.68.31.212.00.98.31.19.60.6
high road infrastructure, supported by cable or helicopter16.62.77.52.633.22.024.51.213.11.422.50.8
medium road infrastructure, supported by cable or helicopter1.60.92.81.615.71.526.01.328.41.821.70.8
low road infrastructure, supported by cable or helicopter0.0.0.0.4.60.927.71.344.52.023.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.20.10.20.10.0.0.30.20.20.1
high road infrastructure, ground based56.01.576.01.323.91.35.80.53.30.630.50.5
medium road infrastructure, ground based30.71.417.71.119.71.25.90.53.20.614.40.4
low road infrastructure, ground based6.00.82.20.48.90.914.30.810.21.19.10.4
high road infrastructure, supported by cable or helicopter6.00.73.30.526.41.320.50.912.41.214.90.4
medium road infrastructure, supported by cable or helicopter0.80.30.70.217.01.124.01.026.91.614.80.4
low road infrastructure, supported by cable or helicopter0.0.0.0.3.90.629.51.043.81.716.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #900514/364882
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantondegree of transportation system density by method of timber harvest1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
high road infrastructure, ground based39.931.63541.53
medium road infrastructure, ground based3.6230.0.3.623
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.8500.21001.045
medium road infrastructure, supported by cable or helicopter0.21000.0.0.2100
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total44.921.83346.72
AIn/a0.0.0.0.0.0.
high road infrastructure, ground based0.7491.4342.124
medium road infrastructure, ground based0.21000.3670.557
low road infrastructure, ground based0.6580.4711.044
high road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
medium road infrastructure, supported by cable or helicopter0.6570.7491.435
low road infrastructure, supported by cable or helicopter0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.31000.0.0.3100
high road infrastructure, ground based1.3370.8502.127
medium road infrastructure, ground based0.9371.3332.221
low road infrastructure, ground based1.8340.21001.932
high road infrastructure, supported by cable or helicopter0.6600.5551.040
medium road infrastructure, supported by cable or helicopter0.5670.21000.757
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total5.3132.8208.16
BEn/a0.0.0.21000.2100
high road infrastructure, ground based45.2617.21062.35
medium road infrastructure, ground based18.01013.81231.87
low road infrastructure, ground based3.2258.51511.713
high road infrastructure, supported by cable or helicopter8.61521.5930.17
medium road infrastructure, supported by cable or helicopter4.72010.81315.511
low road infrastructure, supported by cable or helicopter3.8235.6199.414
total83.5477.64161.11
BL/BSn/a0.0.0.0.0.0.
high road infrastructure, ground based10.1112.23112.29
medium road infrastructure, ground based4.4200.8505.218
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter1.0480.9501.934
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total15.763.92219.64
FRn/a0.0.0.21000.2100
high road infrastructure, ground based12.7113.32316.09
medium road infrastructure, ground based8.0151.7339.713
low road infrastructure, ground based0.9441.3412.230
high road infrastructure, supported by cable or helicopter1.8315.1187.015
medium road infrastructure, supported by cable or helicopter1.7351.6333.324
low road infrastructure, supported by cable or helicopter0.8500.6581.438
total25.9513.81039.73
GEn/a0.0.0.0.0.0.
high road infrastructure, ground based2.3250.0.2.325
medium road infrastructure, ground based0.41000.0.0.4100
low road infrastructure, ground based0.41000.0.0.4100
high road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total3.1130.0.3.113
GLn/a0.0.0.0.0.0.
high road infrastructure, ground based0.4710.8501.240
medium road infrastructure, ground based0.4690.6580.945
low road infrastructure, ground based0.4710.9491.339
high road infrastructure, supported by cable or helicopter1.5343.6205.116
medium road infrastructure, supported by cable or helicopter0.8482.7253.521
low road infrastructure, supported by cable or helicopter1.4380.4701.733
total4.9188.91113.87
GRn/a0.0.0.0.0.0.
high road infrastructure, ground based3.8233.8237.516
medium road infrastructure, ground based5.0202.8277.816
low road infrastructure, ground based11.71310.71322.49
high road infrastructure, supported by cable or helicopter6.11813.51219.69
medium road infrastructure, supported by cable or helicopter10.31423.8834.17
low road infrastructure, supported by cable or helicopter17.31035.9753.15
total54.2590.33144.52
JUn/a0.21000.21000.471
high road infrastructure, ground based10.4125.51715.98
medium road infrastructure, ground based7.9144.12112.011
low road infrastructure, ground based2.2290.5562.726
high road infrastructure, supported by cable or helicopter0.4711.0441.437
medium road infrastructure, supported by cable or helicopter0.21000.21000.471
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total21.3611.41132.83
LUn/a0.0.0.0.0.0.
high road infrastructure, ground based14.891.53516.49
medium road infrastructure, ground based7.4151.4378.813
low road infrastructure, ground based2.4280.4712.926
high road infrastructure, supported by cable or helicopter5.0192.1317.015
medium road infrastructure, supported by cable or helicopter1.7351.6353.224
low road infrastructure, supported by cable or helicopter0.6580.4711.144
total31.947.41539.43
NEn/a0.0.0.0.0.0.
high road infrastructure, ground based11.0103.02414.08
medium road infrastructure, ground based9.0130.7499.712
low road infrastructure, ground based3.2240.0.3.224
high road infrastructure, supported by cable or helicopter0.21000.21000.371
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total23.453.92127.33
NWn/a0.0.0.0.0.0.
high road infrastructure, ground based0.5681.0491.537
medium road infrastructure, ground based0.21000.0.0.2100
low road infrastructure, ground based0.31000.21000.472
high road infrastructure, supported by cable or helicopter1.5371.6323.122
medium road infrastructure, supported by cable or helicopter1.1471.0492.032
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total3.5213.7207.29
OWn/a0.0.0.0.0.0.
high road infrastructure, ground based0.8501.0451.732
medium road infrastructure, ground based0.8461.0431.931
low road infrastructure, ground based0.6590.0.0.659
high road infrastructure, supported by cable or helicopter2.3292.7265.018
medium road infrastructure, supported by cable or helicopter3.8213.6217.414
low road infrastructure, supported by cable or helicopter0.8510.8501.535
total9.1129.01118.14
SGn/a0.0.0.0.0.0.
high road infrastructure, ground based8.2146.91615.110
medium road infrastructure, ground based5.4194.5189.913
low road infrastructure, ground based1.2413.2254.321
high road infrastructure, supported by cable or helicopter1.3418.3159.514
medium road infrastructure, supported by cable or helicopter3.3253.8237.216
low road infrastructure, supported by cable or helicopter0.7582.1332.828
total20.1928.7648.84
SHn/a0.0.0.0.0.0.
high road infrastructure, ground based10.360.210010.56
medium road infrastructure, ground based1.2420.21001.339
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.21000.0.0.2100
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.21000.0.0.2100
high road infrastructure, ground based21.561.83323.35
medium road infrastructure, ground based4.8190.8515.717
low road infrastructure, ground based0.3700.0.0.370
high road infrastructure, supported by cable or helicopter1.7330.4722.130
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total28.533.12531.62
SZn/a0.0.0.0.0.0.
high road infrastructure, ground based2.5281.1443.523
medium road infrastructure, ground based1.3400.6581.933
low road infrastructure, ground based1.6350.7502.328
high road infrastructure, supported by cable or helicopter3.0256.5169.612
medium road infrastructure, supported by cable or helicopter3.3232.0315.218
low road infrastructure, supported by cable or helicopter1.8331.1403.025
total13.51012.01025.54
TGn/a0.0.0.0.0.0.
high road infrastructure, ground based14.271.63115.86
medium road infrastructure, ground based2.6250.6583.123
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.21000.21000.470
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total17.252.42619.63
TIn/a0.0.0.4710.471
high road infrastructure, ground based0.6582.4293.026
medium road infrastructure, ground based1.8331.9333.723
low road infrastructure, ground based3.0267.21610.213
high road infrastructure, supported by cable or helicopter2.23012.81215.011
medium road infrastructure, supported by cable or helicopter4.22225.7829.97
low road infrastructure, supported by cable or helicopter4.52133.2737.66
total16.31083.6399.92
URn/a0.0.0.0.0.0.
high road infrastructure, ground based0.0.0.21000.2100
medium road infrastructure, ground based0.21000.21000.471
low road infrastructure, ground based1.0430.6571.633
high road infrastructure, supported by cable or helicopter0.6582.4272.923
medium road infrastructure, supported by cable or helicopter0.5572.9243.522
low road infrastructure, supported by cable or helicopter2.6251.8324.319
total4.8188.11112.96
VDn/a0.0.0.0.0.0.
high road infrastructure, ground based34.264.52038.66
medium road infrastructure, ground based22.583.12525.68
low road infrastructure, ground based3.8231.4385.219
high road infrastructure, supported by cable or helicopter3.8236.91610.613
medium road infrastructure, supported by cable or helicopter3.2252.8266.018
low road infrastructure, supported by cable or helicopter0.0.1.6351.635
total67.5320.2987.72
VSn/a0.0.0.0.0.0.
high road infrastructure, ground based1.9323.0255.019
medium road infrastructure, ground based1.4383.3244.720
low road infrastructure, ground based4.8208.51513.312
high road infrastructure, supported by cable or helicopter4.02218.6922.68
medium road infrastructure, supported by cable or helicopter6.21818.9925.28
low road infrastructure, supported by cable or helicopter6.11822.1928.27
total24.5874.5399.02
ZGn/a0.0.0.0.0.0.
high road infrastructure, ground based1.4330.8492.225
medium road infrastructure, ground based1.2360.4671.632
low road infrastructure, ground based0.0.0.0.0.0.
high road infrastructure, supported by cable or helicopter0.21001.3291.629
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total2.9192.5205.48
ZHn/a0.21000.0.0.2100
high road infrastructure, ground based38.241.14439.33
medium road infrastructure, ground based4.3200.0.4.320
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter4.1210.6584.720
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total47.121.63548.82
Switzerlandn/a1.0451.0452.032
high road infrastructure, ground based287.1266.55353.62
medium road infrastructure, ground based113.0444.06157.03
low road infrastructure, ground based44.3744.5788.95
high road infrastructure, supported by cable or helicopter51.16110.74161.83
medium road infrastructure, supported by cable or helicopter46.36102.24148.63
low road infrastructure, supported by cable or helicopter40.47105.54145.93
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 25.09.2020 #900515/364883
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber 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
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantondegree of transportation system density by method of timber harvest1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
high road infrastructure, ground based40.531.63542.13
medium road infrastructure, ground based3.8220.0.3.822
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.8500.21001.045
medium road infrastructure, supported by cable or helicopter0.21000.0.0.2100
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total45.721.83347.52
AIn/a0.0.0.0.0.0.
high road infrastructure, ground based0.7491.4342.124
medium road infrastructure, ground based0.21000.3670.557
low road infrastructure, ground based0.8500.4711.240
high road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
medium road infrastructure, supported by cable or helicopter0.6570.7491.435
low road infrastructure, supported by cable or helicopter0.21000.0.0.2100
total2.5242.8205.310
ARn/a0.31000.0.0.3100
high road infrastructure, ground based1.3370.8502.127
medium road infrastructure, ground based0.9371.3332.221
low road infrastructure, ground based1.8340.21001.932
high road infrastructure, supported by cable or helicopter0.6600.5551.040
medium road infrastructure, supported by cable or helicopter0.5670.21000.757
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total5.3132.8208.16
BEn/a0.0.0.21000.2100
high road infrastructure, ground based46.2617.41063.65
medium road infrastructure, ground based18.21014.01132.27
low road infrastructure, ground based4.0228.91512.812
high road infrastructure, supported by cable or helicopter9.01521.7930.77
medium road infrastructure, supported by cable or helicopter6.71711.01317.710
low road infrastructure, supported by cable or helicopter5.2196.41711.613
total89.3479.64168.91
BL/BSn/a0.0.0.0.0.0.
high road infrastructure, ground based10.4112.42912.99
medium road infrastructure, ground based4.6190.8505.417
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter1.0480.9501.934
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total16.364.12120.43
FRn/a0.0.0.21000.2100
high road infrastructure, ground based12.9113.52316.49
medium road infrastructure, ground based8.2151.7339.913
low road infrastructure, ground based1.1401.3412.429
high road infrastructure, supported by cable or helicopter2.0295.3187.314
medium road infrastructure, supported by cable or helicopter1.9321.6333.523
low road infrastructure, supported by cable or helicopter0.8500.8501.635
total27.0514.4941.43
GEn/a0.0.0.0.0.0.
high road infrastructure, ground based2.9190.0.2.919
medium road infrastructure, ground based0.41000.0.0.4100
low road infrastructure, ground based0.41000.0.0.4100
high road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total3.750.0.3.75
GLn/a0.0.0.0.0.0.
high road infrastructure, ground based0.6580.8501.438
medium road infrastructure, ground based0.4690.6580.945
low road infrastructure, ground based0.4710.9491.339
high road infrastructure, supported by cable or helicopter1.7323.6205.315
medium road infrastructure, supported by cable or helicopter1.3362.9244.219
low road infrastructure, supported by cable or helicopter1.6350.5572.129
total6.0169.21115.26
GRn/a0.0.0.0.0.0.
high road infrastructure, ground based4.2224.3218.515
medium road infrastructure, ground based5.4193.0268.415
low road infrastructure, ground based14.11213.11227.28
high road infrastructure, supported by cable or helicopter6.91714.51121.49
medium road infrastructure, supported by cable or helicopter14.41126.3840.76
low road infrastructure, supported by cable or helicopter24.8940.5665.25
total69.85101.73171.52
JUn/a0.21000.21000.471
high road infrastructure, ground based10.6125.51716.18
medium road infrastructure, ground based8.1144.12112.210
low road infrastructure, ground based2.3280.5562.925
high road infrastructure, supported by cable or helicopter0.4711.0441.437
medium road infrastructure, supported by cable or helicopter0.21000.21000.471
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total21.9611.41133.43
LUn/a0.0.0.0.0.0.
high road infrastructure, ground based14.891.53516.49
medium road infrastructure, ground based7.4151.4378.813
low road infrastructure, ground based2.9260.4713.324
high road infrastructure, supported by cable or helicopter5.0192.1317.015
medium road infrastructure, supported by cable or helicopter2.1311.8333.822
low road infrastructure, supported by cable or helicopter0.6580.4711.144
total32.847.61540.42
NEn/a0.0.0.0.0.0.
high road infrastructure, ground based11.2103.02414.28
medium road infrastructure, ground based9.2130.7499.912
low road infrastructure, ground based3.5220.0.3.522
high road infrastructure, supported by cable or helicopter0.21000.21000.371
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total24.153.92128.03
NWn/a0.0.0.0.0.0.
high road infrastructure, ground based0.5681.2431.833
medium road infrastructure, ground based0.21000.0.0.2100
low road infrastructure, ground based0.5710.21000.659
high road infrastructure, supported by cable or helicopter1.7341.6323.322
medium road infrastructure, supported by cable or helicopter1.3401.0492.329
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total4.3184.0198.27
OWn/a0.0.0.0.0.0.
high road infrastructure, ground based1.0451.0451.930
medium road infrastructure, ground based0.8461.0431.931
low road infrastructure, ground based0.6590.0.0.659
high road infrastructure, supported by cable or helicopter2.5272.7265.217
medium road infrastructure, supported by cable or helicopter4.0213.6217.613
low road infrastructure, supported by cable or helicopter1.0450.9451.931
total9.9119.21119.04
SGn/a0.0.0.0.0.0.
high road infrastructure, ground based8.8147.11615.910
medium road infrastructure, ground based5.7184.51810.213
low road infrastructure, ground based1.2413.2254.321
high road infrastructure, supported by cable or helicopter2.1318.51510.613
medium road infrastructure, supported by cable or helicopter3.5245.2208.715
low road infrastructure, supported by cable or helicopter1.1452.5293.624
total22.4830.9653.33
SHn/a0.0.0.0.0.0.
high road infrastructure, ground based10.360.210010.56
medium road infrastructure, ground based1.2420.21001.339
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.21000.0.0.2100
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.21000.0.0.2100
high road infrastructure, ground based21.961.83323.75
medium road infrastructure, ground based5.0190.8515.817
low road infrastructure, ground based0.3700.0.0.370
high road infrastructure, supported by cable or helicopter1.7330.4722.130
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total29.033.12532.12
SZn/a0.0.0.0.0.0.
high road infrastructure, ground based2.5281.1443.523
medium road infrastructure, ground based1.7350.8502.528
low road infrastructure, ground based1.6350.9442.527
high road infrastructure, supported by cable or helicopter3.4237.11510.612
medium road infrastructure, supported by cable or helicopter3.7222.0315.717
low road infrastructure, supported by cable or helicopter2.4281.4373.822
total15.3913.3928.54
TGn/a0.0.0.0.0.0.
high road infrastructure, ground based14.561.63116.15
medium road infrastructure, ground based2.7240.6583.322
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.21000.21000.470
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total17.742.42620.12
TIn/a0.0.0.4710.471
high road infrastructure, ground based1.2413.0264.222
medium road infrastructure, ground based2.2302.1324.322
low road infrastructure, ground based4.5218.21512.712
high road infrastructure, supported by cable or helicopter2.82714.31117.110
medium road infrastructure, supported by cable or helicopter6.91728.6735.57
low road infrastructure, supported by cable or helicopter7.91539.1647.15
total25.6895.73121.32
URn/a0.0.0.0.0.0.
high road infrastructure, ground based0.0.0.21000.2100
medium road infrastructure, ground based0.4710.21000.658
low road infrastructure, ground based1.6340.8502.427
high road infrastructure, supported by cable or helicopter0.6582.4272.923
medium road infrastructure, supported by cable or helicopter0.7493.5224.219
low road infrastructure, supported by cable or helicopter3.6212.0305.616
total6.8159.01015.86
VDn/a0.0.0.0.0.0.
high road infrastructure, ground based35.664.62040.35
medium road infrastructure, ground based25.083.12528.07
low road infrastructure, ground based5.2191.4386.617
high road infrastructure, supported by cable or helicopter4.8207.11611.912
medium road infrastructure, supported by cable or helicopter4.0222.8266.717
low road infrastructure, supported by cable or helicopter0.21001.8332.031
total74.7320.8995.62
VSn/a0.0.0.0.0.0.
high road infrastructure, ground based2.1303.4235.618
medium road infrastructure, ground based2.4293.5235.918
low road infrastructure, ground based6.6178.91415.511
high road infrastructure, supported by cable or helicopter6.01819.6925.78
medium road infrastructure, supported by cable or helicopter7.51620.3927.88
low road infrastructure, supported by cable or helicopter9.61423.7833.37
total34.3779.53113.82
ZGn/a0.0.0.0.0.0.
high road infrastructure, ground based1.4330.8492.225
medium road infrastructure, ground based1.6290.4672.027
low road infrastructure, ground based0.0.0.0.0.0.
high road infrastructure, supported by cable or helicopter0.21001.3291.629
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total3.3172.5205.76
ZHn/a0.21000.0.0.2100
high road infrastructure, ground based38.641.14439.74
medium road infrastructure, ground based4.6200.0.4.620
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter4.1210.6584.720
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total47.821.63549.42
Switzerlandn/a1.0451.0452.032
high road infrastructure, ground based295.0269.35364.32
medium road infrastructure, ground based120.3445.06165.33
low road infrastructure, ground based54.5649.16103.54
high road infrastructure, supported by cable or helicopter58.06115.74173.73
medium road infrastructure, supported by cable or helicopter59.66111.64171.13
low road infrastructure, supported by cable or helicopter59.06120.04179.03
total647.41511.711159.11
© WSL, Swiss National Forest Inventory, 25.09.2020 #900516/364884
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber harvest
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantondegree of transportation system density by method of timber harvest1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
high road infrastructure, ground based40.531.63542.13
medium road infrastructure, ground based3.8220.0.3.822
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.8500.21001.045
medium road infrastructure, supported by cable or helicopter0.21000.0.0.2100
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total45.721.83347.52
AIn/a0.0.0.0.0.0.
high road infrastructure, ground based0.7491.4342.124
medium road infrastructure, ground based0.21000.3670.557
low road infrastructure, ground based0.8500.4711.240
high road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
medium road infrastructure, supported by cable or helicopter0.6570.7491.435
low road infrastructure, supported by cable or helicopter0.21000.0.0.2100
total2.5242.8205.310
ARn/a0.31000.0.0.3100
high road infrastructure, ground based1.4340.8502.325
medium road infrastructure, ground based0.9371.3332.221
low road infrastructure, ground based1.8340.21001.932
high road infrastructure, supported by cable or helicopter0.7510.5551.237
medium road infrastructure, supported by cable or helicopter0.5670.21000.757
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total5.6122.8208.46
BEn/a0.0.0.21000.2100
high road infrastructure, ground based46.8617.61064.34
medium road infrastructure, ground based19.81014.01133.97
low road infrastructure, ground based4.2228.91513.012
high road infrastructure, supported by cable or helicopter9.61422.1931.77
medium road infrastructure, supported by cable or helicopter7.71611.01318.710
low road infrastructure, supported by cable or helicopter6.0186.41712.412
total94.2380.24174.31
BL/BSn/a0.0.0.0.0.0.
high road infrastructure, ground based10.8112.42913.29
medium road infrastructure, ground based4.6190.8505.417
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter1.0480.9501.934
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total16.764.12120.83
FRn/a0.0.0.21000.2100
high road infrastructure, ground based12.9113.52316.49
medium road infrastructure, ground based8.6141.73310.313
low road infrastructure, ground based1.1401.3412.429
high road infrastructure, supported by cable or helicopter2.0295.3187.314
medium road infrastructure, supported by cable or helicopter1.9321.6333.523
low road infrastructure, supported by cable or helicopter0.8500.8501.635
total27.4514.4941.83
GEn/a0.0.0.0.0.0.
high road infrastructure, ground based2.9190.0.2.919
medium road infrastructure, ground based0.41000.0.0.4100
low road infrastructure, ground based0.41000.0.0.4100
high road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total3.750.0.3.75
GLn/a0.0.0.0.0.0.
high road infrastructure, ground based0.6580.8501.438
medium road infrastructure, ground based0.4690.6580.945
low road infrastructure, ground based0.6580.9491.537
high road infrastructure, supported by cable or helicopter1.9313.6205.515
medium road infrastructure, supported by cable or helicopter1.5343.1234.618
low road infrastructure, supported by cable or helicopter2.1300.5572.726
total7.1159.51016.66
GRn/a0.0.0.0.0.0.
high road infrastructure, ground based4.2224.3218.515
medium road infrastructure, ground based5.6193.2258.815
low road infrastructure, ground based14.71113.71228.48
high road infrastructure, supported by cable or helicopter7.41614.91122.29
medium road infrastructure, supported by cable or helicopter16.01127.1843.16
low road infrastructure, supported by cable or helicopter29.6841.9671.44
total77.44105.03182.51
JUn/a0.21000.21000.471
high road infrastructure, ground based10.6125.51716.18
medium road infrastructure, ground based8.3144.32012.610
low road infrastructure, ground based2.3280.5562.925
high road infrastructure, supported by cable or helicopter0.4711.0441.437
medium road infrastructure, supported by cable or helicopter0.21000.21000.471
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total22.1611.61133.72
LUn/a0.0.0.0.0.0.
high road infrastructure, ground based14.891.53516.49
medium road infrastructure, ground based7.4151.4378.813
low road infrastructure, ground based2.9260.4713.324
high road infrastructure, supported by cable or helicopter5.4182.1317.415
medium road infrastructure, supported by cable or helicopter2.1311.8333.822
low road infrastructure, supported by cable or helicopter0.6580.4711.144
total33.247.61540.82
NEn/a0.0.0.0.0.0.
high road infrastructure, ground based11.2103.02414.28
medium road infrastructure, ground based9.4120.74910.112
low road infrastructure, ground based3.8220.0.3.822
high road infrastructure, supported by cable or helicopter0.21000.21000.371
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total24.653.92128.53
NWn/a0.0.0.0.0.0.
high road infrastructure, ground based0.5681.2431.833
medium road infrastructure, ground based0.21000.0.0.2100
low road infrastructure, ground based0.5710.21000.659
high road infrastructure, supported by cable or helicopter1.7341.6323.322
medium road infrastructure, supported by cable or helicopter1.5371.0492.528
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total4.5184.0198.47
OWn/a0.0.0.0.0.0.
high road infrastructure, ground based1.0451.2412.229
medium road infrastructure, ground based1.1411.0432.129
low road infrastructure, ground based0.6590.0.0.659
high road infrastructure, supported by cable or helicopter2.5272.9245.517
medium road infrastructure, supported by cable or helicopter4.2203.9208.113
low road infrastructure, supported by cable or helicopter1.2410.9452.130
total10.51110.01020.44
SGn/a0.0.0.0.0.0.
high road infrastructure, ground based8.8147.11615.910
medium road infrastructure, ground based6.6174.51811.112
low road infrastructure, ground based1.4383.2254.521
high road infrastructure, supported by cable or helicopter2.1318.71410.813
medium road infrastructure, supported by cable or helicopter4.0235.6199.614
low road infrastructure, supported by cable or helicopter1.9332.7284.621
total24.7831.7656.53
SHn/a0.0.0.0.0.0.
high road infrastructure, ground based10.360.210010.56
medium road infrastructure, ground based1.3390.21001.536
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter0.21000.0.0.2100
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total12.140.46912.53
SOn/a0.21000.0.0.2100
high road infrastructure, ground based22.161.83323.95
medium road infrastructure, ground based5.3180.8516.117
low road infrastructure, ground based0.3700.0.0.370
high road infrastructure, supported by cable or helicopter1.7330.4722.130
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total29.533.12532.62
SZn/a0.0.0.0.0.0.
high road infrastructure, ground based2.5281.1443.523
medium road infrastructure, ground based1.7350.8502.528
low road infrastructure, ground based1.6350.9442.527
high road infrastructure, supported by cable or helicopter3.6237.51411.211
medium road infrastructure, supported by cable or helicopter3.7222.0315.717
low road infrastructure, supported by cable or helicopter2.4281.4373.822
total15.5913.7929.14
TGn/a0.0.0.0.0.0.
high road infrastructure, ground based14.561.63116.15
medium road infrastructure, ground based2.7240.6583.322
low road infrastructure, ground based0.5710.0.0.571
high road infrastructure, supported by cable or helicopter0.21000.21000.470
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total17.942.42620.32
TIn/a0.0.0.4710.471
high road infrastructure, ground based1.2413.0264.222
medium road infrastructure, ground based2.6282.3304.920
low road infrastructure, ground based5.5198.41513.911
high road infrastructure, supported by cable or helicopter3.22514.31117.510
medium road infrastructure, supported by cable or helicopter7.11628.8735.97
low road infrastructure, supported by cable or helicopter9.91440.7650.65
total29.5897.92127.42
URn/a0.0.0.0.0.0.
high road infrastructure, ground based0.0.0.21000.2100
medium road infrastructure, ground based0.4710.21000.658
low road infrastructure, ground based1.8320.8502.626
high road infrastructure, supported by cable or helicopter0.6582.4272.923
medium road infrastructure, supported by cable or helicopter0.7493.5224.219
low road infrastructure, supported by cable or helicopter3.8202.3286.115
total7.2149.41016.55
VDn/a0.0.0.0.0.0.
high road infrastructure, ground based36.464.62041.15
medium road infrastructure, ground based25.483.12528.47
low road infrastructure, ground based5.4191.4386.817
high road infrastructure, supported by cable or helicopter4.8207.31612.112
medium road infrastructure, supported by cable or helicopter4.2212.8266.916
low road infrastructure, supported by cable or helicopter0.21001.8332.031
total76.4321.0997.42
VSn/a0.0.0.0.0.0.
high road infrastructure, ground based2.1303.4235.618
medium road infrastructure, ground based2.8273.7236.517
low road infrastructure, ground based8.1169.11417.210
high road infrastructure, supported by cable or helicopter6.61719.6926.38
medium road infrastructure, supported by cable or helicopter8.51520.9929.57
low road infrastructure, supported by cable or helicopter12.01324.1836.17
total40.2681.03121.12
ZGn/a0.0.0.0.0.0.
high road infrastructure, ground based1.4330.8492.225
medium road infrastructure, ground based1.8260.4672.224
low road infrastructure, ground based0.0.0.0.0.0.
high road infrastructure, supported by cable or helicopter0.21001.3291.629
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total3.5152.5206.05
ZHn/a0.21000.0.0.2100
high road infrastructure, ground based39.441.14440.53
medium road infrastructure, ground based4.8190.0.4.819
low road infrastructure, ground based0.21000.0.0.2100
high road infrastructure, supported by cable or helicopter4.3210.6584.819
medium road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
low road infrastructure, supported by cable or helicopter0.0.0.0.0.0.
total48.921.63550.51
Switzerlandn/a1.0451.0452.032
high road infrastructure, ground based297.9269.75367.62
medium road infrastructure, ground based126.1445.86171.93
low road infrastructure, ground based58.9650.16109.04
high road infrastructure, supported by cable or helicopter61.26117.54178.63
medium road infrastructure, supported by cable or helicopter64.75114.24178.83
low road infrastructure, supported by cable or helicopter70.75124.04194.73
total680.51522.211202.71
© WSL, Swiss National Forest Inventory, 25.09.2020 #900517/364885
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber harvest
unit of reference: protection forest region
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
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a0.8500.0.0.21000.0.0.0.0.0.1.045
high road infrastructure, ground based249.3218.51010.9131.9323.8230.658285.02
medium road infrastructure, ground based79.2517.4108.2151.4385.1201.933113.14
low road infrastructure, ground based11.7136.7176.4174.82011.1133.62344.27
high road infrastructure, supported by cable or helicopter11.31319.2107.7164.0225.8182.62850.56
medium road infrastructure, supported by cable or helicopter2.03213.9129.5146.2189.6145.02046.26
low road infrastructure, supported by cable or helicopter0.0.5.8186.8176.11815.4116.51740.57
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a0.4710.21000.0.0.0.0.0.0.4711.045
high road infrastructure, ground based29.6816.31111.8123.0252.9263.22566.95
medium road infrastructure, ground based15.81113.6127.8153.3242.6272.03145.16
low road infrastructure, ground based3.0269.8145.6198.5159.1148.81544.87
high road infrastructure, supported by cable or helicopter7.81635.8723.1818.6912.11214.311111.74
medium road infrastructure, supported by cable or helicopter1.24120.4912.11218.9918.91030.47102.04
low road infrastructure, supported by cable or helicopter0.0.8.9155.21922.1925.1843.86105.14
total57.85105.0365.5474.5370.74103.03476.51
totaln/a1.2410.21000.21000.0.0.0.0.4712.032
high road infrastructure, ground based278.9234.8722.795.0196.7173.823351.92
medium road infrastructure, ground based95.0431.0816.0104.7207.7163.923158.23
low road infrastructure, ground based14.71116.51112.01313.31220.2912.41289.05
high road infrastructure, supported by cable or helicopter19.11055.0530.7722.6817.81016.810162.23
medium road infrastructure, supported by cable or helicopter3.22534.3721.6925.2828.5835.47148.23
low road infrastructure, supported by cable or helicopter0.0.14.71112.01228.2740.4650.35145.63
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 25.09.2020 #900518/364886
NFI4
forest area
protection forest perimeter SilvaProtect · degree of transportation system density by method of timber harvest
unit of reference: protection forest region
unit: 1000 ha
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
protection forest perimeter SilvaProtectdegree of transportation system density by method of timber harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a0.8500.0.0.21000.0.0.0.0.0.1.045
high road infrastructure, ground based253.7219.91011.8132.1304.1221.241292.82
medium road infrastructure, ground based83.2417.8109.3142.4295.5192.230120.54
low road infrastructure, ground based13.3128.6157.2166.61713.5125.21954.56
high road infrastructure, supported by cable or helicopter11.51321.099.1146.0186.4173.42457.46
medium road infrastructure, supported by cable or helicopter2.03217.81010.9137.51613.6127.71659.46
low road infrastructure, supported by cable or helicopter0.0.7.6169.0149.61420.41012.31258.96
total364.5192.7457.4534.3763.5532.07644.51
inside perimetern/a0.4710.21000.0.0.0.0.0.0.4711.045
high road infrastructure, ground based29.8817.21012.0123.4233.3244.02269.75
medium road infrastructure, ground based16.01113.6128.0153.5232.8272.23046.16
low road infrastructure, ground based3.02610.2146.0188.91411.5139.81449.36
high road infrastructure, supported by cable or helicopter7.81636.4723.9819.6913.11215.811116.74
medium road infrastructure, supported by cable or helicopter1.24120.8914.11120.3920.9933.97111.34
low road infrastructure, supported by cable or helicopter0.0.10.4146.21823.7827.7851.85119.74
total58.25108.7370.1479.5379.34117.92513.91
totaln/a1.2410.21000.21000.0.0.0.0.4712.032
high road infrastructure, ground based283.5237.1723.885.6187.5165.219362.52
medium road infrastructure, ground based99.2431.4717.2105.9188.3154.521166.63
low road infrastructure, ground based16.31118.81013.21215.51125.0814.911103.94
high road infrastructure, supported by cable or helicopter19.31057.4533.0725.7819.51019.210174.03
medium road infrastructure, supported by cable or helicopter3.22538.6725.0827.8834.5741.66170.73
low road infrastructure, supported by cable or helicopter0.0.17.91015.21133.3748.1664.14178.73
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 25.09.2020 #900519/364887
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