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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetercritical....13.07.08.35.622.213.99.45.28.62.6
less stable59.915.550.011.839.110.245.710.244.416.659.38.750.04.6
stable40.115.550.011.847.810.446.010.233.315.731.38.241.44.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical2.30.47.51.16.41.313.32.07.11.36.21.25.70.4
less stable34.71.448.82.146.12.741.52.937.02.448.42.641.00.9
stable62.91.443.72.147.62.745.32.955.92.545.32.653.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.47.31.16.81.312.91.97.41.36.51.25.80.4
less stable34.91.448.82.145.62.641.82.837.22.449.32.541.30.9
stable62.71.443.92.147.62.645.32.855.42.544.22.452.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164995/151377
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