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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha59.915.561.111.540.09.870.99.354.715.084.76.364.64.3
101-200 stems/ha40.115.522.29.840.09.824.98.845.315.015.36.328.04.1
201-300 stems/ha..11.17.416.07.3......4.92.0
301-400 stems/ha..5.65.44.03.94.24.1....2.51.4
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha54.91.455.02.147.82.667.12.761.62.474.82.258.60.9
101-200 stems/ha35.71.430.41.929.72.425.22.529.12.219.72.030.30.8
201-300 stems/ha8.10.810.51.319.52.16.51.48.01.35.01.19.30.5
301-400 stems/ha1.10.32.70.72.40.81.00.61.20.50.50.41.40.2
401-500 stems/ha0.10.11.40.50.30.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha0.10.1..0.30.30.30.3....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha55.01.455.22.147.32.567.32.661.52.475.62.158.80.8
101-200 stems/ha35.71.430.21.930.42.325.22.429.52.219.31.930.30.8
201-300 stems/ha8.10.810.51.319.32.06.01.37.81.34.61.09.10.5
301-400 stems/ha1.10.32.80.72.50.81.20.61.20.50.50.31.50.2
401-500 stems/ha0.10.11.40.50.30.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha0.10.1..0.30.30.30.3....0.10.1
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, 07.11.2014 #162197/148576
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