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NFI5
basal area
diameter at breast height (main diameter classes) · main tree species
regional demarcation: protection forest region
unit: m²/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
diameter at breast height (main diameter classes)main tree speciesm²/ha±%m²/ha±%m²/ha±%m²/ha±%m²/ha±%m²/ha±%m²/ha±%
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.0.0.0.0.0.0.0.0.0.0.0.0.0.
fir0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
larch0.0.0.0.0.0.0.0.0.0.0.0.0.0.
Arolla pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech0.0.0.0.0.0.0.0.0.0.0.0.0.0.
maple0.0.0.0.0.0.0.0.0.0.0.0.0.0.
ash0.0.0.0.0.0.0.0.0.0.0.0.0.0.
oak0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sweet chestnut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.0.0.0.0.0.0.0.0.0.0.0.0.0.
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
12-15 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.3100.690.4140.5120.790.3190.45
fir0.290.2140.1180.0310.0590.0300.17
pine0.0420.0530.0730.1380.1280.0650.019
larch0.0440.0530.0470.1180.1220.1220.011
Arolla pine0.0.0.0.0.0.0.0370.1400.0710.029
other conifers0.0320.0550.0580.0770.0360.01000.020
beech0.480.2120.2140.1290.0320.3140.26
maple0.1120.1170.1180.1350.0410.1340.18
ash0.1160.0240.0360.0360.0530.1270.111
oak0.0370.0770.0730.1400.0.0.0380.022
sweet chestnut0.0.0.0.0.0.0.01000.0.0.2260.025
other broadleaves0.2100.2140.1180.3150.2220.5120.26
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.241.451.081.471.371.671.32
16-23 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce0.781.581.3101.4122.190.6141.24
fir0.580.6120.3170.1260.0490.1340.46
pine0.0320.0690.0470.5260.3240.01000.115
larch0.0530.0480.01000.5150.2200.5160.210
Arolla pine0.0.0.0.0.0.0.1290.2250.01000.019
other conifers0.0250.0890.0400.0790.0340.0.0.018
beech0.860.6110.7130.2310.1370.9150.65
maple0.3100.4140.3200.2250.0390.1310.27
ash0.1130.1210.2210.1350.1500.2260.19
oak0.1270.0620.01000.1400.01000.1340.118
sweet chestnut0.0.0.0.0.0.0.01000.01000.7170.117
other broadleaves0.3100.3170.4250.5160.5221.2120.47
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total3.033.553.373.763.664.353.42
24-35 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce1.583.483.292.9113.981.4162.54
fir0.981.1120.7190.2340.1420.2370.66
pine0.1250.1580.1440.8220.4270.0810.213
larch0.0440.1470.1591.2150.6181.2140.49
Arolla pine0.0.0.0.0.0.0.3270.5220.01000.118
other conifers0.0400.0650.0590.0.0.01000.0.0.029
beech1.761.3101.5140.3310.2291.6151.35
maple0.5100.6150.9150.2310.1310.1360.47
ash0.3140.3300.4210.2340.1540.2360.310
oak0.2180.0400.0.0.1390.01000.3270.113
sweet chestnut0.0.0.0.0.0.0.1710.01001.5160.216
other broadleaves0.3120.2200.4220.3240.2311.6130.58
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total5.737.257.266.776.268.066.62
36-51 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce2.465.965.583.7106.072.4143.93
fir1.671.591.5120.4320.1330.3311.15
pine0.4130.2460.1360.6210.7230.1470.410
larch0.1260.0590.1702.3141.4131.3130.68
Arolla pine0.0.0.01000.0.0.3280.4190.0.0.116
other conifers0.1310.01000.0.0.0.0.0.0.01000.029
beech2.951.7122.5100.2450.3291.2131.84
maple0.590.4160.7140.1560.1520.1490.37
ash0.5110.3250.5210.1490.0500.1350.39
oak0.4130.1410.1510.1580.0790.2290.211
sweet chestnut0.0.0.01000.0.0.0700.01000.9180.117
other broadleaves0.3160.1290.1280.2320.1450.9140.39
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total9.1210.1411.158.069.257.459.22
=52 cmn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce2.977.068.484.1116.193.2144.83
fir2.573.292.5130.5330.4250.6261.95
pine0.3160.1470.1530.2410.5240.0720.212
larch0.1250.1490.1454.1122.5131.9141.07
Arolla pine0.0.0.0.0.0.0.5320.4270.0.0.121
other conifers0.2380.01000.0.0.0.0.0.0.01000.135
beech2.561.3141.7140.1550.2401.0161.55
maple0.2180.2240.4270.0.0.1460.0.0.213
ash0.5150.1450.4310.01000.01000.1600.212
oak0.5180.0.0.1620.01000.1760.1420.216
sweet chestnut0.0.0.0.0.0.0.1610.01001.7260.225
other broadleaves0.3250.1730.1360.1490.1630.1390.219
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total9.9312.1413.869.7710.468.8810.62
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce7.8418.4418.7612.6718.857.91112.82
fir5.856.775.1101.2250.6231.1234.24
pine0.9110.4400.4322.2181.9150.2480.98
larch0.2180.2300.3388.3104.8105.0102.26
Arolla pine0.0.0.01000.0.1.3221.7170.0900.414
other conifers0.3250.1560.1340.0550.1340.0960.220
beech8.235.186.691.0270.9244.8115.43
maple1.661.7102.3110.5220.3290.4251.35
ash1.590.8201.5150.5290.2450.6261.07
oak1.2110.1330.1440.4330.1710.8200.69
sweet chestnut0.0.0.01000.0.0.2530.0865.0130.713
other broadleaves1.390.9151.1151.3151.0204.2101.65
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total28.8234.3236.3329.5430.7330.2431.11
© WSL, Swiss National Forest Inventory, 06.03.2024 #1353851/535608

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. 1353851. Birmensdorf, Swiss Federal Research Institute WSL

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