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NFI4b

forest area: stand stability · slope (20% classes) · 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
stand stabilityslope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalto 20%3.2331.450....0.7710.41005.725
21-40 %6.816711.91448.118413.41619.41878.718758.367
over 100%..1.4500.7710.7710.41000.41003.532
total10.01914.8158.82014.11510.5189.51967.67
less stableto 20%70.878.7204.9261.0582.5380.77188.56
21-40 %78.77785.55350.56542.27546.77163.062366.625
over 100%0.7715.4263.8302.4373.2338.12023.612
total150.2499.5559.2645.6752.3771.85478.72
stableto 20%133.1410.8186.9222.1415.3252.141160.34
21-40 %136.69177.56453.77345.37671.56857.862442.626
over 100%..1.1581.1582.1411.1584.5279.719
total269.7289.4561.7649.5777.9564.46612.62
totalto 20%207.1320.91311.8173.1338.4203.233254.53
21-40 %222.154174.937112.343100.947127.642129.640867.516
over 100%0.7717.9215.5255.1254.62712.91636.810
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137162/123536
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