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NFI4
forest area
degree of transportation system density by method of timber harvest
unit of reference: production region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
degree of transportation system density by method of timber harvest %± %± %± %± %± %±
n/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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #845448/311779
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