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NFI5
forest area
reserve type · time of last treatment (in 10-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 2018/26
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
reserve typetime of last treatment (in 10-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.
=10 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.
11-20 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.
51-100 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.
>100 years ago or never0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
natural forest reserven/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago3.8300.7710.7710.0.0.0.0.0.5.226
11-20 years ago1.3500.6710.7710.31000.0.0.0.3.033
21-30 years ago3.1331.1580.31000.41000.0.0.41005.226
31-40 years ago1.7450.31000.41000.0.0.0.0.0.2.438
41-50 years ago1.8450.31000.0.0.0.0.41001.1583.632
51-100 years ago2.1411.1582.9362.1411.4504.03013.716
>100 years ago or never1.1582.9351.4501.1584.2292.53813.216
total14.9157.2226.4243.9306.0247.92146.49
special forest reserven/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago10.9181.4491.7450.7712.1410.0.16.814
11-20 years ago3.5320.0.2.4380.31001.8450.41008.420
21-30 years ago0.31000.6711.8450.31001.1580.0.4.229
31-40 years ago1.0580.41000.0.0.0.1.0580.31002.835
41-50 years ago0.31000.31000.7710.0.0.7710.0.2.141
51-100 years ago1.1580.31000.41000.7712.1410.41005.027
>100 years ago or never0.0.2.0450.0.0.0.0.31000.0.2.341
total17.2145.1277.1222.1419.2191.05841.69
other forestn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago257.3272.5650.6825.91136.5916.014458.72
11-20 years ago72.1645.3822.31216.21516.1157.821179.84
21-30 years ago27.31122.51215.41510.91819.6139.120104.76
31-40 years ago12.21715.7158.1217.92117.31412.61673.87
41-50 years ago5.4269.6194.8277.12211.31810.31848.58
51-100 years ago13.11619.01311.91727.51118.51455.77145.64
>100 years ago or never1.4507.7217.92114.51513.81632.01077.26
total388.61192.13120.95110.05133.24143.521088.41
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago271.9274.6653.0826.61138.6916.014480.72
11-20 years ago76.9645.9825.41216.91417.9148.221191.24
21-30 years ago30.81024.21217.51411.61720.7139.419114.15
31-40 years ago15.01516.5148.4207.92118.31412.91679.06
41-50 years ago7.52210.3195.5257.12212.41711.31754.28
51-100 years ago16.21420.41315.21530.31022.11260.16164.44
>100 years ago or never2.43812.6179.32015.61518.41434.4992.86
total420.71204.43134.45116.05148.44152.521176.41
© WSL, Swiss National Forest Inventory, 05.03.2024 #1424988/605474

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. 1424988. Birmensdorf, Swiss Federal Research Institute WSL

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