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NFI4
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%present0.10.10.10.10.10.10.0.0.10.10.10.0
not present31.51.561.91.413.61.04.50.53.30.621.40.5
total31.61.562.01.413.71.04.50.53.40.621.40.5
21-40 %present9.31.80.90.58.91.617.71.622.42.912.10.8
not present58.83.537.12.675.44.373.03.363.55.163.01.7
total68.14.138.02.784.34.690.63.685.95.775.11.9
over 100%present0.20.10.0.1.90.43.60.47.10.92.50.2
not present0.20.10.0.0.20.11.30.33.60.71.00.1
total0.40.20.0.2.00.44.90.510.71.13.50.2
totalpresent9.60.91.00.310.80.921.30.929.71.614.60.4
not present90.40.999.00.389.20.978.70.970.31.685.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903349/367734
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