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NFI1–NFI2
increment
main tree species
unit of reference: protection forest region
unit: m³/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2
grid: 1.4 x 1.4 km grid
change1983/85–1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
main tree species m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± %
spruce4.335.545.252.974.151.3114.12
fir2.252.461.690.2260.2270.2221.53
pine0.3100.0410.1320.5180.3160.0840.28
larch0.1190.0420.1341.490.5140.5160.36
stone pine0.0.0.01000.01070.1270.1260.0960.018
other conifers0.1230.0590.07630.0930.0620.01000.022
beech3.131.5101.7100.2260.1411.0111.83
maple0.380.3120.4160.1330.0600.0430.26
ash0.780.2190.5150.1290.0470.2200.46
oak0.4100.0340.0530.1440.0650.2260.29
chestnut0.0880.0.0.0.0.0780.0721.3100.110
other broadleaves0.480.3130.3160.4210.2170.990.45
total11.9110.4310.035.945.845.749.51
© WSL, Swiss National Forest Inventory, 16.06.2020 #890233/356438
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