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NFI5
forest area
predominant tree species · stand age (in 40-year classes)
regional demarcation: protection forest region
unit: 1000 ha
evaluation area: accessible forest without shrub forest
grid: 1.4 km grid, subgrids 1-5
state 2018/26
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
predominant tree speciesstand age (in 40-year classes)1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)1.4500.3.1.1580.3.1.0580.3.4.428
1-40 years5.4263.2356.1245.0273.5323.13326.312
41-80 years0.0.1.1580.0.0.4.0.0.1.0572.438
81-120 years0.4.0.0.0.0.0.0.0.0.0.0.0.4.
121-160 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
>160 years0.4.0.0.0.0.0.0.0.0.0.0.0.4.
uneven-aged0.4.0.4.0.0.0.4.0.7710.4.2.141
total7.9214.9287.2226.0245.3264.82636.110
sprucen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.7712.1410.7710.0.3.0331.1577.621
1-40 years25.11114.8167.0234.32912.0173.83066.97
41-80 years28.41114.91510.7185.0279.2194.32972.57
81-120 years22.5129.81812.8163.5328.0212.14058.77
121-160 years11.21713.01611.1176.42310.7184.72757.18
>160 years4.42818.21311.1188.42018.1148.02068.17
uneven-aged24.41235.61016.31517.71425.6119.918129.65
total116.75108.3569.7745.2886.6633.89460.42
firn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.7710.0.0.4.0.0.0.0.1.158
1-40 years12.9165.0282.3410.0.0.0.0.0.20.213
41-80 years10.3184.4291.7450.4.0.4.1.15818.214
81-120 years20.8126.6235.6250.7710.0.0.4.34.010
121-160 years11.0176.8232.8350.0.0.7710.87022.012
>160 years4.6274.0291.0581.1580.7711.45012.816
uneven-aged17.61415.0153.5321.5500.4.0.77138.79
total77.3642.5916.9144.0302.1404.428147.04
pinen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.7710.0.0.0.0.3.0.4.0.0.1.450
1-40 years3.2330.3.0.0.0.0.1.0580.3.4.927
41-80 years1.7450.0.0.4.2.8352.5380.0.7.422
81-120 years3.4320.4.0.4.2.1412.8350.0.9.120
121-160 years0.7710.0.0.4.0.4.1.8450.0.3.233
>160 years0.0.0.4.0.0.1.0581.1580.3.2.835
uneven-aged2.4381.7452.1411.7451.4500.4.9.819
total12.1172.8353.2338.42011.0181.05838.69
larchn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.7710.7710.4.1.845
1-40 years2.3401.4500.4.2.1412.1412.04110.318
41-80 years0.0.1.1580.0.4.6282.8354.42712.916
81-120 years0.7710.0.0.0.2.1413.2333.5319.619
121-160 years0.0.0.0.1.1583.5323.2332.93510.618
>160 years0.0.0.0.0.0.6.7236.1243.23316.015
uneven-aged0.3.0.3.0.0.12.7166.72311.31731.510
total3.4332.8351.45032.51024.91227.71092.76
Arolla pinen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 years0.0.0.0.0.0.0.7710.4.0.0.1.158
41-80 years0.0.0.0.0.0.0.3.1.1580.0.1.450
81-120 years0.0.0.0.0.0.0.4.1.1580.0.1.450
121-160 years0.0.0.0.0.0.0.4.1.1580.0.1.450
>160 years0.0.0.0.0.0.0.4.1.8450.0.2.141
uneven-aged0.0.0.0.0.0.2.8353.6320.0.6.423
total0.0.0.0.0.0.4.9278.9200.0.13.816
other conifersn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 years0.4.0.4.0.0.0.0.0.0.0.0.0.771
41-80 years2.0410.4.0.0.0.0.0.0.0.0.2.438
81-120 years1.0580.3.0.0.0.0.0.0.0.0.1.350
121-160 years0.0.0.0.0.0.0.0.0.4.0.0.0.4.
>160 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total3.4321.1580.0.0.0.0.4.0.0.4.927
beechn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)1.3500.0.0.0.0.0.0.0.0.0.1.350
1-40 years24.9114.1303.6320.0.0.4.1.45034.410
41-80 years17.7143.1353.0351.8450.4.12.71638.79
81-120 years51.477.9218.3200.7711.3503.43373.06
121-160 years15.8144.3282.7350.0.0.3.1.55024.611
>160 years3.1332.1410.7710.0.0.4.1.5507.721
uneven-aged16.2148.2205.0272.0411.5506.72239.59
total130.5429.61023.3124.5284.12927.210219.23
maplen/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.7710.0.0.0.0.0.0.771
1-40 years10.0192.4382.6381.4500.4.0.77117.514
41-80 years4.8272.8351.4500.3.0.4.2.04011.717
81-120 years3.1330.4.1.4500.0.0.0.0.4.5.226
121-160 years0.7710.0.0.3.0.0.0.0.0.0.1.058
>160 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged2.8352.6381.1580.7710.7711.1589.020
total21.4128.2217.5222.5381.4504.12845.19
ashn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 years3.8300.7720.4.0.4.0.3.0.4.5.924
41-80 years2.7350.7712.1411.4500.7711.4509.120
81-120 years4.7261.0582.3380.3.0.3.0.4.9.119
121-160 years0.7710.0.0.4.0.0.0.0.0.0.1.058
>160 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged4.1290.4.0.8710.7710.4.1.1587.422
total16.0142.8366.0242.8351.7453.33332.610
oakn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.7710.0.0.0.0.0.0.0.0.0.0.771
1-40 years2.5380.0.0.4.0.0.0.0.0.0.2.935
41-80 years4.1290.0.0.0.1.7450.0.2.2408.121
81-120 years4.4280.7710.0.0.7710.4.0.4.6.523
121-160 years1.7450.0.0.0.0.0.0.0.0.0.1.745
>160 years0.7710.0.0.0.0.0.0.0.0.0.0.771
uneven-aged2.5380.4.0.3.0.4.0.3.1.1585.027
total16.7141.1580.8712.8350.7713.73125.612
sweet chestnutn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-40 years0.0.0.0.0.0.0.0.0.0.2.1412.141
41-80 years0.0.0.0.0.0.0.4.0.0.10.91711.317
81-120 years0.0.0.0.0.0.0.4.0.0.0.4.0.871
121-160 years0.0.0.0.0.0.0.0.0.0.0.4.0.4.
>160 years0.0.0.0.0.0.0.0.0.0.1.8451.845
uneven-aged0.0.0.0.0.0.0.7710.0.5.2265.925
total0.0.0.0.0.0.1.5500.0.20.91222.312
other broadleavesn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)0.3.0.0.0.0.0.0.0.0.0.0.0.3.
1-40 years9.8194.6291.4503.5323.5317.22130.011
41-80 years3.5312.4381.5504.3291.84515.51428.911
81-120 years1.4500.0.0.0.0.4.0.4.0.4.2.538
121-160 years0.7710.0.0.0.0.0.0.0.0.4.1.158
>160 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged4.5280.0.0.4.0.0.1.0584.52910.418
total20.1137.0233.2338.2216.62327.91073.17
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0 (unstocked)5.2263.1332.5381.8455.1261.74419.413
1-40 years100.2536.9924.11217.41423.51221.112223.23
41-80 years75.4630.81120.81323.41219.11355.57225.14
81-120 years113.8427.11130.81011.21717.51411.317211.73
121-160 years42.4824.11118.71310.51818.21410.518124.55
>160 years13.21624.61112.71617.61428.11116.314112.55
uneven-aged75.2664.6729.51141.3942.3942.38295.23
total425.41211.23139.14123.25153.84158.821211.51
© WSL, Swiss National Forest Inventory, 21.05.2024 #1236115/417865

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. 1236115. Birmensdorf, Swiss Federal Research Institute WSL

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