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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 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..1.1580.7713.4312.1410.7718.021
less stable1.15811.5177.22111.3177.4215.72544.29
stable3.6328.3206.22310.3188.1207.52143.99
total4.72820.91314.21525.01117.61313.81596.26
outside perimetercritical10.01913.7168.12010.6178.4208.72059.58
less stable149.2488.0551.9734.3944.9866.16434.52
stable266.1281.1555.5639.2869.8557.07568.72
total425.31182.82115.5384.14123.13131.931062.71
totalcritical10.01914.8158.82014.11510.5189.51967.67
less stable150.2499.5559.2645.6752.3771.85478.72
stable269.7289.4561.7649.5777.9564.46612.62
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164806/151188
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