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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha33.315.750.035.423.86.633.59.740.115.544.18.533.94.3
101-200 stems/ha....19.06.129.19.320.012.626.67.621.43.7
201-300 stems/ha44.516.650.035.426.26.824.98.820.012.617.66.524.83.9
301-400 stems/ha22.213.9..9.54.58.35.6..8.84.99.12.6
401-500 stems/ha....9.54.5..20.012.62.92.95.82.1
501- 600 stems/ha....9.54.5......3.31.6
more than 600 stems/ha....2.42.44.24.1....1.61.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.61.828.51.726.21.437.92.936.12.639.22.429.90.8
101-200 stems/ha28.42.029.61.725.61.429.12.826.62.424.22.127.20.8
201-300 stems/ha25.21.923.21.621.51.313.22.117.82.117.51.920.90.7
301-400 stems/ha12.91.412.21.212.21.111.41.911.21.710.71.512.00.6
401-500 stems/ha5.21.04.40.87.30.85.51.45.61.35.61.15.80.4
501- 600 stems/ha3.20.81.00.43.70.61.50.72.10.81.50.62.40.3
more than 600 stems/ha1.50.51.10.43.50.61.50.70.60.41.20.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.71.828.61.726.11.437.62.836.22.639.62.330.00.8
101-200 stems/ha28.01.929.61.725.31.429.12.626.42.424.42.027.00.8
201-300 stems/ha25.51.923.21.621.71.314.22.017.82.117.51.821.10.7
301-400 stems/ha13.01.412.21.212.11.011.11.810.91.710.61.511.90.6
401-500 stems/ha5.10.94.40.87.40.85.11.36.01.35.41.15.80.4
501- 600 stems/ha3.10.71.00.43.90.61.30.72.00.81.40.52.40.3
more than 600 stems/ha1.50.51.10.43.50.61.70.80.60.41.10.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162053/148432
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