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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
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