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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha....7.8214.1283.2331.45016.614
20-39 m2/ha2.241..11.3179.2186.7227.12236.610
40-59 m2/ha2.538..12.1176.2232.5373.23326.411
from 60 m2/ha....5.7253.4310.7711.45011.218
total4.727..36.9922.91113.11613.21690.86
outside perimeterto 19 m2/ha44.3872.5669.1726.01023.21134.29269.43
20-39 m2/ha90.15110.0497.2521.21232.5946.58397.52
40-59 m2/ha42.1855.5777.3612.01620.91223.212231.04
from 60 m2/ha7.92115.91534.1102.4387.1225.32572.77
total184.52253.91277.7261.6583.64109.24970.61
totalto 19 m2/ha44.3872.5677.0630.2926.41035.69285.93
20-39 m2/ha92.25110.04108.5530.5939.2853.77434.02
40-59 m2/ha44.7855.5789.4618.11323.31126.411257.43
from 60 m2/ha7.92115.91539.795.8247.8216.82383.96
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163175/149555
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