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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha....5.73.97.52.011.55.47.41.6
101-200 stems/ha....14.35.99.12.222.97.111.32.0
201-300 stems/ha15.310.0..8.64.724.03.28.64.719.32.4
301-400 stems/ha15.410.0..17.16.412.62.520.06.814.42.2
401-500 stems/ha15.410.0..22.97.115.42.75.73.915.12.2
501-600 stems/ha15.410.0..11.45.47.42.011.45.49.01.8
more than 600 stems/ha38.513.5..20.06.824.03.220.06.823.62.6
total100.0...100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha7.61.211.21.28.81.210.41.110.31.89.70.6
101-200 stems/ha14.01.517.21.510.31.315.01.39.91.713.80.7
201-300 stems/ha14.71.519.41.616.51.615.81.311.61.816.10.7
301-400 stems/ha19.91.715.41.417.61.714.01.314.52.016.30.7
401-500 stems/ha13.21.512.11.312.01.412.71.212.91.912.50.6
501-600 stems/ha11.71.49.21.19.81.39.01.110.31.89.90.6
more than 600 stems/ha18.91.715.51.425.01.923.21.630.42.721.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha7.51.111.21.28.61.29.81.010.41.79.50.5
101-200 stems/ha13.61.517.21.510.61.313.91.111.31.713.60.6
201-300 stems/ha14.71.519.41.616.01.517.41.311.31.716.40.7
301-400 stems/ha19.81.715.41.417.61.613.71.115.12.016.10.7
401-500 stems/ha13.21.512.11.312.71.413.21.112.21.812.80.6
501-600 stems/ha11.81.49.21.19.91.38.70.910.41.79.80.5
more than 600 stems/ha19.41.715.51.424.61.823.31.429.42.521.90.8
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 #163411/149791
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