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NFI1

forest area: time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a2.5381.158..0.3100..0.41004.329
less than 10 years ago307.22101.3562.1618.51350.9716.014556.12
11-20 years ago65.5740.0920.71215.11420.41214.215175.94
21-30 years ago24.01213.71611.11719.21213.31612.81694.06
31-40 years ago5.72511.2186.92211.7167.72119.81363.07
41-50 years ago1.1585.8253.1334.8264.62716.31435.610
over 50 years ago16.11517.31412.81624.01122.11240.08132.25
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #140749/127123
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