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NFI2

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.4100......0.4100
less than 10 years ago17.71418.41372.7612.31618.41310.718150.15
11-20 years ago9.4195.32646.288.22013.11611.41793.56
21-30 years ago3.6311.84528.0118.2207.4218.91957.98
31-40 years ago3.6311.15812.41711.3174.62710.31843.39
41-50 years ago1.4500.7718.9208.9192.83515.31538.09
over 50 years ago2.5380.77119.91316.8137.82146.6894.26
total38.2927.911188.4365.7554.16103.24477.52
outside of perimetern/a..............
less than 10 years ago84.35155.6353.685.12513.0162.835314.53
11-20 years ago45.0849.5834.9102.1419.2191.450142.15
21-30 years ago11.51712.41711.7172.1413.5312.14143.49
31-40 years ago6.8233.5315.0272.1413.5312.14123.112
41-50 years ago0.7712.5386.0240.7711.4502.83514.216
over 50 years ago2.5382.53815.0156.82212.0177.82146.69
total151.03226.02126.2418.91342.6819.213583.82
totaln/a....0.4100......0.4100
less than 10 years ago101.94174.03126.4417.41331.4913.516464.72
11-20 years ago54.4754.8781.1610.31722.21212.816235.63
21-30 years ago15.11514.11539.7910.31811.01711.017101.36
31-40 years ago10.4184.62817.41413.4158.12012.51666.47
41-50 years ago2.2413.23314.9159.6184.22818.21352.28
over 50 years ago5.0263.23334.81023.61119.71254.47140.85
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156933/143312
search result: 1 entry on 1 page

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