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NFI4b

forest area: 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 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years ago99.44193.42116.4517.81323.01113.915463.92
11-20 years ago45.0836.8973.8613.71519.81210.018199.24
21-30 years ago16.61412.01737.096.82214.8158.22095.46
31-40 years ago11.9174.62824.9123.8309.5196.12460.77
41-50 years ago6.5232.83520.9136.5225.7249.21951.68
over 50 years ago9.7194.22941.6935.9824.01175.15190.54
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 08.11.2014 #143611/129984
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