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NFI4b
forest area
stand stability · stand age (classes of 40 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)....1.4501.450..2.835
1-401.5502.1412.5386.9221.45014.416
41-800.41001.8451.4505.2262.83511.617
81-1201.5501.4501.8451.058..5.725
121-160....2.2414.129..6.323
over 160......2.141..2.141
uneven-aged1.1580.41004.7273.8302.83512.817
total4.4295.62514.11624.6127.02255.78
less stable0 (unstocked)..0.41000.41002.438..3.133
1-4016.81425.71114.41521.5129.61988.06
41-8010.61815.81414.11617.01420.91278.36
81-12015.01523.91221.61217.6144.62782.76
121-1607.3228.12116.61421.8123.23356.98
over 1601.8451.4504.72715.2155.02628.111
uneven-aged11.0189.81923.11241.2919.113104.26
total62.4685.0594.85136.7462.36441.32
stable0 (unstocked)1.1581.8452.5384.5281.45011.318
1-4011.31739.7915.11513.5162.83582.56
41-8021.21224.6119.71917.61413.81587.06
81-12033.61040.1923.81221.8125.325124.55
121-16021.51213.31610.51819.4134.62769.37
over 1603.6311.1587.62125.0115.02642.29
uneven-aged36.5915.11526.71151.5817.014146.85
total128.93135.7395.95153.3450.07563.72
total0 (unstocked)1.1582.1414.3298.3201.45017.314
1-4029.61067.5632.11042.0913.815184.94
41-8032.11042.2825.21139.8937.69176.94
81-12050.0865.4647.2840.499.918212.94
121-16028.81021.41229.21045.387.821132.65
over 1605.5262.53812.31742.299.91872.37
uneven-aged48.5825.31154.4796.5538.98263.73
total195.71226.31204.72314.62119.331060.61
© WSL, Swiss National Forest Inventory, 15.07.2015 #202150/188388
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