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NFI4
total basal area
forest formations (NaiS; 10 classes) · main tree species
regional demarcation: production region
unit: m²/ha
evaluation area: protection forest (2022): a.f.w.s.f.
grid: 1.4-km grid
state 2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
forest formations (NaiS; 10 classes)main tree speciesm²/ha±%m²/ha±%m²/ha±%m²/ha±%m²/ha±%m²/ha±%
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.0.0.0.0.0.0.0.0.0.
fir0.0.0.0.0.0.0.0.0.0.0.0.
pine0.0.0.0.0.0.0.0.0.0.0.0.
larch0.0.0.0.0.0.0.0.0.0.0.0.
Arolla pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.0.0.0.0.0.0.0.
beech0.0.0.0.0.0.0.0.0.0.0.0.
maple0.0.0.0.0.0.0.0.0.0.0.0.
ash0.0.0.0.0.0.0.0.0.0.0.0.
oak0.0.0.0.0.0.0.0.0.0.0.0.
sweet chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.0.0.0.0.0.0.0.0.0.0.0.
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.
beech forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce3.9168.31511.5109.5160.9537.37
fir7.5146.3169.6103.2250.11005.97
pine2.2320.9310.3502.6300.0.1.118
larch0.0.0.1820.3560.6462.1290.623
Arolla pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.5670.3500.2410.1760.0.0.234
beech16.279.81015.2814.2924.3715.94
maple1.9172.3201.7142.3140.2511.78
ash1.4244.2192.6141.9240.1732.110
oak0.4470.8340.3340.4380.2410.418
sweet chestnut0.0.0.0.0.0.0.01003.0250.526
other broadleaves1.0170.9250.9173.2234.0171.910
indeterminable0.1490.1640.0540.3380.11000.125
total35.1434.1542.8438.5534.9537.82
silver fir-beech forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce12.01718.7.22.1619.976.83319.25
fir11.6166.7.10.798.41312.11910.06
pine1.4770.0.0.01000.5640.0.0.349
larch0.4990.0.0.01001.3425.2310.926
Arolla pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0990.0.0.01000.0.0.0.0.077
beech11.7168.3.7.9107.91113.5138.76
maple2.0218.3.1.7132.5170.1701.910
ash0.8430.0.0.4270.7310.1690.519
oak0.0.0.0.0.0.0.0.0.1750.076
sweet chestnut0.0.0.0.0.0.0.0.0.3760.078
other broadleaves0.5340.0.0.8191.2192.4381.013
indeterminable0.1700.0.0.1400.1420.0.0.127
total40.5642.1.43.7342.5440.7642.72
other boradleaved forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce2.5936.34210.0158.2180.9424.312
fir1.3621.9425.2260.7440.1761.122
pine0.0.0.0.0.3991.6280.0.0.428
larch0.0.0.0.0.5700.9480.3580.533
Arolla pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.3930.0.0.0.0.0990.1910.063
beech2.4554.4272.2370.7351.4231.516
maple6.4432.5394.8224.1200.9272.413
ash6.2876.6343.7272.8231.8202.613
oak2.1930.0.0.1991.8292.7172.015
sweet chestnut0.0.0.0.0.0.0.55417.499.59
other broadleaves5.4724.8581.9255.4196.3105.49
indeterminable0.0.0.3970.1870.2520.1410.130
total26.62326.81328.7826.8731.9429.83
silver fir-spruce forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.0.33.6730.8521.91029.44
fir0.0.0.0.5.6214.2163.5274.411
pine0.0.0.0.0.31000.9370.6450.729
larch0.0.0.0.0.0993.01810.0133.912
Arolla pine0.0.0.0.0.0.0.0830.0.0.083
other conifers0.0.0.0.0.0.0.0.0.0.0.0.
beech0.0.0.0.0.4340.1570.9420.328
maple0.0.0.0.1.0410.8260.0990.722
ash0.0.0.0.0.01000.0500.0990.042
oak0.0.0.0.0.0.0.01000.01000.081
sweet chestnut0.0.0.0.0.0.0.0.0.1990.0100
other broadleaves0.0.0.0.0.4361.2202.0271.216
indeterminable0.0.0.0.0.1660.3300.0800.226
total0.0.0.0.41.5641.4439.0540.83
spruce forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.0.32.6930.3327.2830.03
fir0.0.0.0.1.7620.2280.3590.326
pine0.0.0.0.0.7591.3200.71001.220
larch0.0.0.0.0.0.8.3810.3148.17
Arolla pine0.0.0.0.1.1980.5270.0.0.427
other conifers0.0.0.0.0.0980.0510.0.0.049
beech0.0.0.0.0.0.0.0.0.11000.0100
maple0.0.0.0.0.1570.1380.2730.132
ash0.0.0.0.0.0.0.0770.0.0.078
oak0.0.0.0.0.0.0.0780.0.0.078
sweet chestnut0.0.0.0.0.0.0.0.0.1990.0100
other broadleaves0.0.0.0.0.1750.4200.9520.421
indeterminable0.0.0.0.0.0980.1500.01000.147
total0.0.0.0.36.3741.2339.8540.72
Arolla pine and larch forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.0.0.0.2.3251.3862.124
fir0.0.0.0.0.0.0.0.0.0.0.0.
pine0.0.0.0.0.0.0.2570.0.0.257
larch0.0.0.0.0.0.16.41018.01316.88
Arolla pine0.0.0.0.0.0.12.6120.09810.013
other conifers0.0.0.0.0.0.0.2990.0.0.2100
beech0.0.0.0.0.0.0.0.0.0.0.0.
maple0.0.0.0.0.0.0.0.0.0.0.0.
ash0.0.0.0.0.0.0.0.0.0.0.0.
oak0.0.0.0.0.0.0.0.0.0.0.0.
sweet chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.0.0.0.0.0.0.1680.0970.163
indeterminable0.0.0.0.0.0.0.1570.1980.149
total0.0.0.0.0.0.31.9519.41329.35
pine forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.7.3.22.9464.2250.0.6.326
fir0.0.0.0.0.0.0.6940.0.0.594
pine0.0.15.1.5.47418.6100.0.17.111
larch0.0.0.0.0.0.2.0350.0.1.736
Arolla pine0.0.0.0.0.0.0.1820.0.0.183
other conifers0.0.0.0.0.4890.7740.0.0.670
beech0.0.5.6.2.2890.0.0.0.0.373
maple0.0.6.6.0.3890.0.0.0.0.283
ash0.0.2.3.0.0.0.1990.0.0.170
oak0.0.0.0.0.0.0.0990.0.0.099
sweet chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.0.5.7.0.2890.4590.0.0.448
indeterminable0.0.0.0.0.0.0.1770.0.0.177
total0.0.42.6.31.33226.680.0.27.58
pioneer forestsn/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.0.5.7593.0361.2442.026
fir0.0.0.0.4.0740.0.0.0.0.285
pine0.0.0.0.0.0.1.2720.0.0.474
larch0.0.0.0.0.0.0.8632.0521.544
Arolla pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.0.0.0.0.0.0.0.
beech0.0.0.0.0.0.0.0.0.8360.537
maple0.0.0.0.1.3881.5430.4460.831
ash0.0.0.0.1.0462.8381.4331.825
oak0.0.0.0.0.0.0.0980.4490.248
sweet chestnut0.0.0.0.0.0.0.0.1.1480.748
other broadleaves0.0.0.0.9.34811.71412.31211.99
indeterminable0.0.0.0.0.0.0.0.0.1850.085
total0.0.0.0.21.33621.11119.7820.27
shrub forests*n/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.8.1.3731.3415.2712.751
fir0.0.0.0.0.0.0.0.0.0.0.0.
pine0.0.0.0.0.0.0.0.0.0.0.0.
larch0.0.0.0.0.0.1.2544.1572.143
Arolla pine0.0.0.0.0.0.1.8660.0.1.068
other conifers0.0.0.0.0.0.0.8500.0.0.452
beech0.0.0.0.0.8690.9750.7910.856
maple0.0.0.0.0.0.0.7560.0.0.458
ash0.0.0.0.0.0.0.0.0.0.0.0.
oak0.0.0.0.0.0.0.0.0.0.0.0.
sweet chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.0.1.1.0.0.1.7610.5451.251
indeterminable0.0.0.0.0.0.0.3980.1970.287
total0.0.1.9.2.1198.71810.5398.820
non-forest*n/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce4.7631.16917.23415.6211.44611.819
fir7.6703.9695.6310.7520.3972.327
pine0.0.0.0.0.6970.9570.0.0.550
larch0.0.0.0.0.0.5.5674.0463.451
Arolla pine0.0.0.0.0.0.0.1990.0.0.199
other conifers0.0.0.0.0.0.0.0.0.0.0.0.
beech8.95014.7492.2524.58310.7815.845
maple0.7564.4200.8531.8540.2981.239
ash2.9530.0.0.3700.9651.7511.034
oak0.8620.0.0.0.0.0.0.5970.273
sweet chestnut0.0.0.0.0.0.0.39912.3622.962
other broadleaves1.8390.0.0.4501.7381.5401.326
indeterminable0.0.0.0.0.0.0.0990.0.0.099
total27.52624.11927.12132.01832.73230.512
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.
spruce5.7128.01419.6421.238.2816.42
fir8.2115.7158.262.291.3183.84
pine1.9300.9300.3321.7100.2581.09
larch0.11000.1820.2405.364.783.55
Arolla pine0.0.0.0.0.11001.1130.01000.513
other conifers0.3630.2500.1370.1330.0920.123
beech14.479.3107.862.496.095.54
maple2.1142.4171.791.1100.4211.26
ash1.5234.3171.3120.6140.7161.07
oak0.4400.7340.1340.2240.9160.411
sweet chestnut0.0.0.0.0.0.0.0446.1101.410
other broadleaves1.1201.3260.9121.694.472.05
indeterminable0.1420.1550.1280.1190.1310.113
total35.7333.1540.3237.6233.0236.81
© WSL, Swiss National Forest Inventory, 21.05.2024 #1391644/573417

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. 1391644. Birmensdorf, Swiss Federal Research Institute WSL
https://doi.org/10.21258/1909826

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