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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 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
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