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NFI2
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
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.20.10.10.10.30.20.20.20.0.0.30.20.20.1
not present47.81.011.11.09.61.13.10.75.80.82.80.622.30.5
total48.01.011.21.09.91.13.30.75.80.83.00.622.40.5
21-40 %present4.40.818.52.419.72.823.73.516.32.616.72.613.40.8
not present47.42.167.54.266.55.168.75.874.55.270.45.461.21.7
total51.92.386.14.886.25.992.46.590.85.887.15.874.61.8
over 100%present0.10.12.00.43.30.73.30.72.40.66.60.92.10.2
not present0.10.10.70.30.60.31.00.41.00.43.30.60.80.1
total0.20.12.70.53.90.74.30.83.40.79.91.13.00.2
totalpresent4.70.420.61.223.21.627.21.818.71.423.51.515.70.4
not present95.30.479.41.276.81.672.81.881.31.476.51.584.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903317/367702
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