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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha38.413.5..47.34.845.66.050.07.761.07.648.93.0
101-200 stems/ha53.913.8..33.64.536.75.842.97.629.37.136.12.9
201-300 stems/ha7.77.4..15.43.411.83.97.14.07.34.111.71.9
301-400 stems/ha....2.71.64.42.5..2.42.42.50.9
401-500 stems/ha....0.90.9......0.40.4
501- 600 stems/ha..............
more than 600 stems/ha......1.51.5....0.40.4
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha51.02.256.81.853.01.773.33.062.22.976.42.258.90.9
101-200 stems/ha39.22.133.01.730.21.622.12.829.42.718.92.030.40.8
201-300 stems/ha8.61.28.71.013.31.24.61.47.01.54.51.19.00.5
301-400 stems/ha1.00.41.40.42.70.5..1.40.70.30.31.40.2
401-500 stems/ha0.20.2..0.80.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.1........0.00.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha50.72.256.81.852.41.666.72.860.72.774.92.158.00.9
101-200 stems/ha39.62.133.01.730.51.525.62.631.12.619.91.930.90.8
201-300 stems/ha8.51.28.71.013.61.16.31.47.01.44.71.09.20.5
301-400 stems/ha0.90.41.40.42.70.51.10.61.20.60.50.31.50.2
401-500 stems/ha0.20.2..0.80.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.1..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: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164751/151133
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