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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
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....1.4500.7710.41001.4503.930
less stable1.8450.41006.4233.8302.1417.12221.513
stable1.4500.41007.1223.8301.1583.63117.314
total3.2330.77114.9158.2203.53112.11742.79
outside perimetercritical4.0306.42324.41214.1159.5199.71868.07
less stable60.2797.35163.5438.4842.0869.06470.32
stable128.73154.23157.2440.8868.1567.26616.22
total192.82257.91345.1293.33119.53145.931154.51
totalcritical4.0306.42325.81114.7149.81811.21771.87
less stable62.0697.65169.9442.1744.1876.15491.92
stable130.13154.63164.3444.6769.1570.86633.52
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161979/148358
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