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NFI4
proportion of forest plots
presence of vehicle tracks (soil disturbances) · location of vehicle tracks
regional demarcation: protection forest region
unit: %, subtotal
evaluation area: accessible forest without shrub forest
grid: 1.4-km grid
state 2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
presence of vehicle tracks (soil disturbances)location of vehicle tracks%±%±%±%±%±%±%±
n/an/a..............
stand..............
skid trail..............
skid road..............
hand-skidding path..............
total..............
track type 1 (slight disturbance)n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
stand12.72.94.54.412.411.60.0.0.0.34.327.711.72.5
skid trail70.33.941.010.538.617.30.0.47.635.30.0.62.43.6
skid road17.13.254.410.649.017.7100.00.052.435.365.727.725.93.4
hand-skidding path0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
track type 2 (moderate disturbance)n/a0.0.0.0.0.0...0.0...0.0.
stand15.74.649.320.40.0...0.0...18.14.5
skid trail73.25.533.319.3100.00.0..0.0...69.25.4
skid road11.13.917.415.70.0...100.00.0..12.74.0
hand-skidding path0.0.0.0.0.0...0.0...0.0.
total100.0.100.0.100.0...100.0...100.0.
track type 3 (severe disturbance)n/a0.0.0.0.........0.0.
stand14.45.930.017.6........16.95.8
skid trail77.17.127.516.7........69.07.1
skid road8.54.742.518.7........14.15.3
hand-skidding path0.0.0.0.........0.0.
total100.0.100.0.........100.0.
no vehicle tracks presentn/a93.40.699.20.399.40.399.70.299.70.299.90.197.50.2
stand3.20.40.30.20.20.20.20.20.10.10.10.11.20.1
skid trail2.90.40.20.20.10.10.0.0.0.0.0.1.00.1
skid road0.60.20.20.20.30.20.20.20.10.10.0.0.30.1
hand-skidding path0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a83.20.895.80.698.00.699.30.399.30.399.50.392.80.3
stand4.30.40.90.30.30.20.20.20.10.10.30.21.80.2
skid trail10.40.71.50.40.80.30.0.0.10.10.0.4.10.2
skid road2.10.31.80.40.90.40.50.30.40.20.30.21.30.1
hand-skidding path0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 06.03.2024 #1370326/552087

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1370326. Birmensdorf, Swiss Federal Research Institute WSL

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