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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
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.40.10.0.0.0.0.10.10.0.0.0.0.20.0
not present47.41.010.40.99.51.12.50.65.80.83.40.621.50.5
total47.81.010.40.99.51.12.60.65.80.83.40.621.70.5
21-40 %present4.80.912.71.917.32.719.13.113.62.115.82.311.50.8
not present47.12.173.74.369.65.273.15.777.15.170.15.163.51.7
total51.92.386.44.786.95.992.26.390.85.685.95.575.01.8
over 100%present0.20.12.70.52.80.63.70.72.10.56.30.82.30.2
not present0.00.00.50.20.80.31.40.51.40.44.40.71.10.1
total0.20.13.20.53.60.75.10.93.50.610.71.13.40.2
totalpresent5.50.515.41.120.11.522.91.615.71.322.21.414.00.4
not present94.50.584.61.179.91.577.11.684.31.377.81.486.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903321/367706
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