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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 NFI3/NFI4
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 ago100.94195.92123.6421.21227.61015.714484.82
11-20 years ago46.8836.8979.3614.41521.91211.717210.94
21-30 years ago17.71412.71643.698.22018.91315.115116.35
31-40 years ago11.9175.02729.6117.22115.01516.61485.36
41-50 years ago6.9232.83525.2129.31910.51712.71667.47
over 50 years ago9.7194.22961.1742.1739.7894.34251.13
total193.81257.51362.41102.42133.62166.121215.81

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 08.11.2014 #143295/129668
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