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NFI1
number of forest plots
slope (20% classes) · traces of rockfall
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
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%n/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
present0.10.10.0.0.30.20.0.0.0.0.20.20.10.0
not present47.21.111.11.09.11.22.80.76.41.03.00.722.70.5
total47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %n/a0.0.0.0.0.0.0.20.20.20.20.0.0.00.0
present6.11.022.42.827.23.837.24.825.13.724.73.518.51.1
not present46.42.263.54.460.35.455.35.865.05.462.25.755.71.7
total52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
present0.20.12.80.52.90.74.50.93.00.76.81.02.40.2
not present0.0.0.20.10.30.20.0.0.50.33.20.70.50.1
total0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
totaln/a0.10.10.0.0.0.0.20.20.20.20.0.0.10.0
present6.30.525.21.430.41.941.72.228.01.831.61.921.00.5
not present93.60.574.81.469.61.958.12.271.81.868.41.978.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903312/367697
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