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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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%present0.10.10.10.10.10.10.0.0.0.0.10.0
not present30.51.561.71.413.61.14.60.53.10.722.80.5
total30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %present9.71.80.90.59.01.718.41.824.03.312.00.8
not present59.43.537.32.775.14.572.83.662.95.762.21.8
total69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%present0.20.10.0.1.90.43.00.46.61.02.10.2
not present0.20.10.0.0.20.11.20.33.30.70.80.1
total0.40.20.0.2.10.44.20.59.91.22.90.2
totalpresent10.01.01.00.311.11.021.41.030.71.814.20.5
not present90.01.099.00.388.91.078.61.069.31.885.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903347/367732
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