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NFI4b

forest area: avalanches 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
avalanches SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical..1.1580.7713.4311.4500.7717.322
less stable1.15811.2186.92211.3176.3235.32542.19
stable3.6327.9215.9249.6187.7216.42341.19
total4.72820.21313.41524.41115.51412.41690.56
outside perimetercritical10.01912.6166.9227.5214.9266.32348.38
less stable146.7482.9545.9727.81039.7857.06399.92
stable260.8274.7650.4734.0959.0643.68522.42
total417.41170.22103.2369.35103.63106.94970.61
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 #163324/149704
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