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NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI2
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha4.84.7..23.111.725.74.150.86.729.93.2
101-200 stems/ha23.89.350.035.423.111.724.74.129.26.126.03.1
201-300 stems/ha33.210.350.035.423.111.722.13.912.84.521.12.9
301-400 stems/ha23.89.3..7.77.415.03.41.81.811.82.3
401-500 stems/ha14.37.6..7.77.46.22.33.62.56.41.7
501- 600 stems/ha....7.77.41.81.21.81.82.01.0
more than 600 stems/ha....7.77.44.41.9..2.91.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha21.01.225.61.219.71.135.71.146.71.929.10.6
101-200 stems/ha29.51.424.81.223.61.224.71.024.51.625.30.6
201-300 stems/ha25.21.324.11.225.01.218.50.916.11.421.90.5
301-400 stems/ha15.01.114.11.014.91.010.30.77.81.012.60.4
401-500 stems/ha6.00.77.20.78.30.85.80.53.10.66.30.3
501- 600 stems/ha1.80.42.80.54.20.62.80.41.10.42.70.2
more than 600 stems/ha1.60.41.50.34.20.62.20.30.70.32.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha20.71.225.61.219.71.135.11.147.01.829.10.6
101-200 stems/ha29.41.424.81.223.61.224.71.024.81.625.40.5
201-300 stems/ha25.41.324.11.225.01.218.70.915.81.321.80.5
301-400 stems/ha15.11.114.11.014.91.010.50.77.40.912.50.4
401-500 stems/ha6.20.77.20.78.30.85.90.53.10.66.30.3
501- 600 stems/ha1.70.42.70.54.30.62.70.41.20.42.70.2
more than 600 stems/ha1.50.41.50.34.30.62.30.30.70.32.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #157321/143700
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