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NFI4
forest area
stand age (in 20-year classes)
regional demarcation: protection forest region
unit: 1000 ha
evaluation area: accessible forest without shrub forest NFI4/NFI5
grid: 1.4 km grid, subgrids 1-5
state 2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
stand age (in 20-year classes)1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)3.4334.1302.6382.4384.2291.74518.514
1-20 years42.0817.61410.2193.5324.2292.93580.46
21-40 years58.2717.81417.81418.41422.01223.611157.74
41-60 years31.91015.4159.8198.12110.21826.111101.66
61-80 years40.6910.0198.2207.0225.32617.71488.86
81-100 years63.3715.71414.6153.93010.2184.429112.15
101-120 years48.9817.11416.1145.0277.4226.523101.05
121-140 years30.91010.5189.8185.22610.2184.12970.67
141-160 years19.01314.6158.6196.72312.7164.42966.07
161-180 years5.5267.3223.4324.1297.4223.33331.110
>180 years3.2336.7236.0249.61912.9167.02245.59
uneven-aged73.8667.7727.21141.9941.7950.97303.23
total420.71204.43134.45116.05148.44152.521176.41
© WSL, Swiss National Forest Inventory, 05.03.2024 #1282574/464324

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1282574. Birmensdorf, Swiss Federal Research Institute WSL

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