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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha..19.05.224.46.716.54.426.06.230.87.421.22.5
101-200 stems/ha..29.36.021.96.528.75.330.06.530.87.427.02.7
201-300 stems/ha53.913.824.15.617.25.924.65.020.05.720.56.523.42.6
301-400 stems/ha30.712.810.34.017.15.915.14.216.05.27.74.314.22.1
401-500 stems/ha15.410.010.34.04.93.48.23.26.03.47.74.38.01.6
501- 600 stems/ha..3.42.49.74.62.71.92.02.0..3.31.1
more than 600 stems/ha..3.42.44.93.44.12.3..2.62.52.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha27.21.324.11.924.72.441.63.233.52.538.82.529.70.8
101-200 stems/ha29.41.328.22.021.22.227.02.828.52.423.62.227.30.8
201-300 stems/ha23.51.222.91.921.82.313.92.219.42.117.42.021.20.7
301-400 stems/ha12.41.010.71.415.22.010.21.910.61.611.81.712.00.6
401-500 stems/ha4.50.67.11.19.01.65.31.45.71.25.61.25.80.4
501- 600 stems/ha1.80.44.50.93.61.00.80.61.70.71.60.72.40.3
more than 600 stems/ha1.30.32.60.74.51.11.20.70.60.41.10.51.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha26.91.323.51.824.62.235.92.732.52.338.12.429.00.8
101-200 stems/ha29.01.328.31.921.32.127.42.528.72.324.32.127.30.8
201-300 stems/ha23.81.223.01.821.32.116.32.119.52.017.71.921.40.7
301-400 stems/ha12.61.010.61.315.41.911.31.811.21.611.41.612.20.6
401-500 stems/ha4.60.67.41.18.51.46.01.35.71.25.81.26.00.4
501- 600 stems/ha1.80.44.40.94.31.01.30.61.80.71.50.62.40.3
more than 600 stems/ha1.20.32.70.74.51.11.90.80.50.41.20.51.80.2
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 #164747/151129
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