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NFI4
forest area
time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: protection forest perimeter SilvaProtect: access. forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
time of last treatment (classes of 10 years)
less than 10 years ago11-20 years ago21-30 years ago31-40 years ago41-50 years agoover 50 years agototal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura14.8115.2192.9252.4291.3384.82031.47
Eastern Jura2.5281.6350.21000.4710.21000.4715.419
Western Plateau3.6230.6570.21000.21000.4700.0.5.019
Central Plateau5.4182.1300.8500.8500.0.0.4709.413
Eastern Plateau3.5231.0451.0450.0.0.0.0.5586.018
Western Pre-Alps10.2135.3192.4272.3281.6332.92724.77
Central Pre-Alps24.1811.3134.3221.8351.5384.22247.25
Eastern Pre-Alps15.6108.5143.1252.9261.9312.82634.86
Northwestern Alps12.0124.8205.4182.7272.9265.71833.56
Central Alps3.7222.5261.8320.7491.0441.83211.510
Northeastern Alps6.8164.3202.4271.3381.1453.32419.17
Southwestern Alps17.41010.6136.8164.5216.21729.0774.53
Southeastern Alps14.91116.01111.7137.5165.21915.41170.74
Southern Alps11.9126.3187.0176.2189.41462.14103.03
Switzerland146.5380.0550.1633.7832.68133.23476.11
© WSL, Swiss National Forest Inventory, 11.07.2020 #845412/311743
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