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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 NFI1/NFI2/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....0.771..5.426
21-40 %6.816710.81596.919010.62055.62486.720347.474
over 100%..1.4500.7710.3100..0.41002.835
total10.01913.7167.62111.0176.3237.02255.68
less stableto 20%69.477.9214.2291.0582.5380.410085.36
21-40 %77.67781.15546.26835.68341.17655.667337.326
over 100%0.7715.0262.4382.4372.5386.42319.413
total147.7494.1552.8739.1846.0762.36442.02
stableto 20%129.5410.5185.9242.1414.6271.845154.24
21-40 %134.89171.06550.07539.98161.17645.071402.027
over 100%..1.1580.31001.7441.1583.1337.322
total264.3282.6556.3643.6766.8650.07563.52
totalto 20%202.1319.81310.0183.1337.7212.141244.93
21-40 %219.354163.038103.24486.152107.847107.345786.717
over 100%0.7717.6213.4314.5273.5319.91829.611
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137214/123588
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