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NFI3
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 NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.40.10.0.0.0.0.10.10.0.0.0.0.20.1
not present47.41.110.91.09.51.22.50.75.90.93.20.621.60.5
total47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21-40 %present5.10.912.42.017.72.819.03.214.42.315.12.411.60.8
not present46.92.273.64.668.95.673.86.176.25.471.55.563.41.8
total52.02.586.05.086.66.392.86.790.66.086.55.974.91.9
over 100%present0.10.12.60.53.20.73.30.72.00.56.30.92.20.2
not present0.00.00.50.20.80.31.30.51.50.53.90.71.00.1
total0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
totalpresent5.70.515.01.120.91.622.41.716.31.421.41.514.00.4
not present94.30.585.01.179.11.677.61.783.71.478.61.586.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903319/367704
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