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NFI3
basal area
protection forest against avalanches (2022) · main tree species
regional demarcation: biogeographical region
unit: m²/ha
evaluation area: accessible forest without shrub forest
grid: 1.4-km grid
state 2004/07
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest against avalanches (2022)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.
insiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce8.4202.9.22.2919.51020.51017.01419.75
fir8.92414.3.5.5152.0360.7422.3373.412
pine2.6590.0.0.5431.9321.7400.6571.120
larch0.0.0.0.0.16110.2154.1198.6154.610
Arolla pine0.0.0.0.0.0.2.6272.4310.0.1.121
other conifers0.0.1.4.0.01000.01000.1870.0.0.059
beech13.61211.8.5.6130.3811.6462.4353.511
maple1.4372.4.2.0150.2530.3690.4790.914
ash0.2750.0.0.6280.2630.2660.0700.323
oak0.0.0.0.0.1870.1740.0.0.0990.160
sweet chestnut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.5430.0.0.7230.6301.1541.5340.918
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total35.5532.8.37.3537.6632.7632.9635.63
outsiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce9.7410.5418.8310.0817.645.4812.62
fir6.755.065.050.7290.9160.8193.93
pine1.1131.290.4212.8132.3120.2441.16
larch0.1310.4160.2288.474.083.981.85
Arolla pine0.0.0.0.0.1521.1181.2160.0680.212
other conifers0.1330.3220.1320.0860.1340.0700.115
beech9.847.845.260.6291.0174.4115.73
maple1.671.171.470.2280.3250.3191.04
ash1.1112.271.1110.3420.3280.7161.25
oak0.8141.7100.2230.3260.1480.9170.87
sweet chestnut0.01000.0890.0690.1640.0.5.2100.710
other broadleaves0.9111.3101.191.5140.7164.071.54
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total31.9231.6233.7226.1428.5325.9330.71
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce9.6410.5419.2312.1618.046.6713.22
fir6.855.065.151.0230.9151.0173.93
pine1.2131.290.4192.6122.2110.3371.15
larch0.1310.4160.2268.974.074.472.04
Arolla pine0.0.0.0.0.1521.5151.4150.0680.310
other conifers0.1330.3220.1320.0790.1320.0700.115
beech9.947.845.250.5271.1174.2115.52
maple1.671.171.560.2250.3240.3191.04
ash1.1112.271.1110.3370.3260.6151.15
oak0.8141.7100.2220.3250.1480.8170.77
sweet chestnut0.01000.0890.0690.1640.0.4.7100.710
other broadleaves0.9111.3101.191.3130.7173.771.54
indeterminable0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total32.0231.6234.1228.7329.1226.6331.11
© WSL, Swiss National Forest Inventory, 21.05.2024 #1298726/480476

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. 1298726. Birmensdorf, Swiss Federal Research Institute WSL
https://doi.org/10.21258/1885882

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