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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 NFI1/NFI2/NFI3/NFI4 combined
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/ha59.915.558.811.936.410.370.99.333.319.382.67.062.14.7
101-200 stems/ha40.115.523.510.340.910.524.98.866.719.317.47.129.64.4
201-300 stems/ha..11.87.818.28.2......5.52.2
301-400 stems/ha..5.95.74.54.44.24.1....2.81.6
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/ha55.11.553.02.244.32.860.73.155.82.768.52.655.60.9
101-200 stems/ha35.41.432.52.131.92.630.12.933.72.624.32.432.70.9
201-300 stems/ha8.30.810.81.420.52.37.61.79.01.66.51.49.90.6
301-400 stems/ha1.00.32.50.72.80.91.20.71.50.70.60.51.50.2
401-500 stems/ha0.10.11.20.50.30.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha0.10.1....0.40.4....0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha55.21.453.22.243.82.761.62.955.42.769.72.555.80.9
101-200 stems/ha35.41.432.22.032.52.629.62.834.32.623.72.332.60.9
201-300 stems/ha8.20.810.81.420.42.27.01.58.91.55.91.39.70.5
301-400 stems/ha1.00.32.70.73.00.91.50.71.50.70.60.41.60.2
401-500 stems/ha0.10.11.10.50.30.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha0.10.1....0.40.4....0.10.0
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 #163593/149973
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