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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%4.80.50.80.30.50.30.40.30.0.0.0.2.10.2
21-40 %1.50.41.70.70.80.50.0.0.40.40.50.41.10.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total6.30.52.50.51.30.50.40.30.40.20.50.33.20.2
medium damageto 20%2.40.30.10.10.0.0.0.0.0.0.0.0.90.1
21-40 %0.60.20.50.20.20.20.0.0.20.20.0.0.40.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total3.00.40.60.30.20.20.0.0.20.20.0.1.30.2
severe damageto 20%1.30.20.0.0.0.0.0.0.0.0.0.0.50.1
21-40 %0.40.10.80.50.0.0.0.0.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.30.80.30.0.0.0.0.0.0.0.0.80.1
no vehicle tracks presentto 20%38.81.110.21.08.91.22.40.76.41.03.10.719.20.5
21-40 %49.92.582.95.286.46.792.77.289.76.586.46.572.52.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total89.00.796.10.698.50.599.60.399.50.399.50.394.70.3
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 #795063/261395
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