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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, 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 >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha....19.13.817.74.628.67.031.77.321.22.5
101-200 stems/ha....25.44.230.95.631.07.129.37.126.92.7
201-300 stems/ha53.913.8..23.64.122.05.016.75.821.96.523.42.6
301-400 stems/ha30.712.8..13.63.314.74.316.75.87.34.114.22.1
401-500 stems/ha15.410.0..8.22.67.33.27.14.07.34.18.01.6
501- 600 stems/ha....6.42.32.92.0....3.31.1
more than 600 stems/ha....3.61.84.42.5..2.42.42.91.0
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha24.01.928.31.725.31.541.93.435.42.839.02.529.70.8
101-200 stems/ha28.62.029.61.725.91.528.63.126.92.623.72.227.30.8
201-300 stems/ha24.91.923.41.621.71.412.42.218.52.317.51.921.20.7
301-400 stems/ha12.81.512.21.212.41.110.62.110.11.811.61.612.00.6
401-500 stems/ha5.00.94.40.87.70.94.61.46.31.45.51.25.80.4
501- 600 stems/ha3.20.81.00.43.80.70.90.62.10.91.60.62.40.3
more than 600 stems/ha1.50.51.10.43.20.60.90.70.70.51.10.51.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.41.828.31.724.61.436.12.834.52.638.32.429.00.8
101-200 stems/ha27.91.929.61.725.81.429.12.727.42.524.22.127.20.8
201-300 stems/ha25.61.923.41.621.91.314.72.118.32.118.01.921.40.7
301-400 stems/ha13.21.512.21.212.51.111.61.911.01.711.21.512.20.6
401-500 stems/ha5.21.04.40.87.70.95.31.36.41.45.71.16.00.4
501- 600 stems/ha3.20.81.00.44.10.61.40.71.80.71.40.62.50.3
more than 600 stems/ha1.50.51.10.43.30.61.80.80.60.41.20.51.80.2
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 #164869/151251
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