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NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %±
slight damageto 20%76.63.732.110.038.217.3100.0.0.0.0.0.66.63.6
21-40 %23.45.867.922.561.832.60.0.100.070.7100.055.433.46.3
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
medium damageto 20%79.25.117.115.50.0...0.0...71.65.4
21-40 %20.87.082.915.5100.0...100.0...28.47.1
over 100%0.0.0.0.0.0...0.0...0.0.
total100.0.100.0.100.0...100.0...100.0.
severe damageto 20%75.17.20.0.........62.77.4
21-40 %24.97.2100.043.1........37.311.8
over 100%0.0.0.0.........0.0.
total100.0.100.0.........100.0.
no vehicle tracks presentto 20%43.71.110.61.09.01.22.40.76.41.03.20.720.30.5
21-40 %56.12.886.25.387.76.893.17.290.26.586.86.576.62.1
over 100%0.20.13.10.63.20.74.50.93.50.710.01.23.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795094/261426
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