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NFI1–NFI2
annual increment: main tree species · production region
unit: m³/yr/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2
grid: 1.4 x 1.4 km grid
change 1983/85–1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alpsoverall
main tree species (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± %
spruce2.665.645.943.941.3114.12
fir2.162.262.760.4110.2221.53
pine0.2150.3140.0360.3110.0850.28
larch0.0380.2230.0410.780.5160.37
stone pine....0.0740.1190.0960.018
other conifers0.0460.1260.0460.01950.01000.021
beech3.253.151.880.5131.1121.83
maple0.4100.3130.3110.2150.0460.26
ash0.5120.9100.3140.1180.2210.46
oak0.3160.5120.0370.0300.2270.29
chestnut..0.088..0.0701.2110.111
other broadleaves0.3140.6100.2120.3110.990.45
total9.6213.8211.526.435.749.41

change, calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 16.04.2015 #183751/170227
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