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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stand stability · 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 assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical....2.1413.1331.4500.7717.322
less stable1.158..18.81310.9175.3256.12442.29
stable3.631..16.0158.9196.4236.42341.39
total4.727..36.9922.91113.11613.21690.86
outside perimetercritical4.0306.42319.9137.2214.6276.32348.38
less stable59.8795.15131.8424.61130.31058.06399.72
stable120.74152.43125.9429.8948.7744.98522.52
total184.52253.91277.7261.6583.64109.24970.61
totalcritical4.0306.42322.01210.3176.0247.12255.78
less stable60.9795.15150.6435.6835.6964.16441.92
stable124.33152.43141.9438.8855.1651.37563.82
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163318/149698
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