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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · 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
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha22.213.950.035.425.06.846.010.237.517.133.38.232.74.4
20-39 m2/ha66.615.750.035.425.06.829.19.325.015.345.48.735.44.4
40-59 m2/ha11.310.6..32.57.420.88.325.015.318.36.723.33.9
from 60 m2/ha....17.56.04.24.112.511.73.03.08.62.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha23.61.828.71.726.81.539.93.035.72.738.22.530.10.8
20-39 m2/ha48.02.243.31.833.71.534.93.036.52.738.82.539.30.9
40-59 m2/ha24.01.921.71.527.11.518.82.421.32.318.02.023.00.7
from 60 m2/ha4.30.96.30.912.31.16.51.56.61.44.91.17.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha23.61.828.71.726.81.440.42.935.72.637.92.430.20.8
20-39 m2/ha48.32.243.31.833.31.534.42.836.22.739.32.439.20.8
40-59 m2/ha23.81.821.61.527.41.418.92.321.42.318.11.923.00.7
from 60 m2/ha4.30.96.30.912.61.16.31.46.71.44.71.07.70.5
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, 03.11.2014 #164846/151228
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