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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical......1.7451.1582.835
less stable1.8450.41001.1589.3196.02418.614
stable1.550..1.84510.0183.23316.514
total3.3330.41002.93521.11210.31837.99
outside perimetercritical4.4295.62514.11622.8126.02452.98
less stable60.6784.7593.75127.4456.37422.72
stable127.43135.7394.15143.3446.77547.22
total192.42225.91201.82293.52109.041022.71
totalcritical4.4295.62514.11624.6127.02255.78
less stable62.4685.0594.85136.7462.36441.32
stable128.93135.7395.95153.3450.07563.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163512/149892
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