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NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%....1.4500.7711.4500.7714.229
1-4%....1.8451.4500.41001.4504.927
5-9%....1.4500.31000.41001.4503.532
10-25%....3.5311.7440.41000.7716.323
26-50%....2.5380.7710.7710.41004.229
51-75%..0.41000.7710.31000.7710.7712.835
76-100%....0.7710.3100....1.158
total..0.410012.1175.5243.9305.32527.111
less stable< 1%0.41000.41007.1222.1411.4502.53813.816
1-4%0.7710.410010.6184.8262.53711.01730.011
5-9%1.450..16.3147.2214.92611.81741.69
10-25%2.2413.23329.1118.6192.14115.01560.17
26-50%0.7711.45013.5165.1252.8357.52131.110
51-75%1.1582.8355.4260.31000.7711.84512.117
76-100%0.41001.4502.141....1.4505.326
total6.8239.51984.1628.01014.51550.97194.04
stable< 1%....1.8451.0582.5372.8358.121
1-4%0.41000.7719.9196.2234.92610.71832.810
5-9%0.41001.15811.4173.8302.53710.01829.011
10-25%5.4252.83522.3127.52110.6179.31958.08
26-50%3.6315.32616.7143.8303.2334.92637.410
51-75%1.8452.1416.7230.7710.41000.77112.417
76-100%0.7710.41004.329......5.326
total12.21712.41773.0622.91124.01138.49183.14
total< 1%0.41000.410010.3183.8305.3256.12426.111
1-4%1.1581.15822.31212.3167.82123.11267.77
5-9%1.8451.15829.11111.3177.82123.11274.27
10-25%7.6216.02455.0717.81313.11625.011124.45
26-50%4.3296.72332.6109.6186.72212.81672.77
51-75%2.9355.32612.8161.4501.8443.23327.311
76-100%1.1581.8457.1220.3100..1.45011.717
total19.11322.312169.2356.5642.4794.74404.12

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167596/153979
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