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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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.40.10.0.0.0.0.20.20.0.0.0.0.20.1
not present46.91.111.11.09.41.22.60.76.41.03.10.722.60.5
total47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %present5.11.012.42.118.73.118.73.314.42.515.52.711.40.8
not present47.32.373.44.868.75.974.06.675.85.871.46.162.81.9
total52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%present0.10.12.60.52.70.73.20.82.10.66.01.02.00.2
not present0.00.00.40.20.50.31.20.51.30.54.00.80.90.1
total0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
totalpresent5.70.515.01.221.41.722.11.916.51.521.51.613.70.5
not present94.30.585.01.278.61.777.91.983.51.578.51.686.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903318/367703
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