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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical....1.0580.771..1.1582.835
less stable2.1412.9352.8353.8301.1586.02418.614
stable1.4503.2333.8303.8301.1583.23316.514
total3.6326.1247.6218.2202.14110.31837.99
outside perimetercritical10.01913.7166.62210.3186.3236.02452.88
less stable145.6491.2550.0735.3844.9856.37423.42
stable262.9279.3652.5739.8865.7646.77547.02
total418.51184.32109.1385.44116.93109.041023.21
totalcritical10.01913.7167.62111.0176.3237.02255.68
less stable147.7494.1552.8739.1846.0762.36442.02
stable264.3282.6556.3643.6766.8650.07563.52
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163514/149894
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