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NFI4
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.10.10.10.10.0.0.0.0.0.0.0.0.10.0
not present47.71.110.81.09.51.22.60.75.90.93.20.621.80.5
total47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21-40 %present4.90.912.22.018.52.815.62.814.12.422.02.912.10.8
not present47.12.273.84.668.05.577.26.276.45.464.65.262.91.8
total52.02.586.05.086.66.392.86.790.66.086.55.974.91.9
over 100%present0.10.12.40.53.50.73.00.72.50.66.70.92.30.2
not present0.10.10.70.30.50.31.60.50.90.43.50.70.90.1
total0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
totalpresent5.10.514.71.122.11.618.61.616.71.428.71.614.40.4
not present94.90.585.31.177.91.681.41.683.31.471.31.685.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903323/367708
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