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NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical....1.1580.771..1.1582.835
less stable1.8450.41005.7253.8301.1586.12418.714
stable1.4500.41006.7233.8301.1583.23316.614
total3.2330.77113.5168.2202.14110.31838.19
outside perimetercritical4.0306.42321.0139.6186.0246.02452.98
less stable59.1794.85145.0431.8934.6958.06423.22
stable122.84152.13135.2435.0854.0648.17547.22
total185.92253.21301.1276.4494.63112.131023.21
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 #163375/149755
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