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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/a0.30.20.50.50.0.0.0.0.20.20.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.10.0
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
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