Fig. 2
Latewood to earlywood ratio (LER) in beech, fir and spruce from 1901 to 2016. The trend lines are based on a linear regression of calendar year and mean LER
Fig. 2 | Annals of Forest Science
Latewood to earlywood ratio (LER) in beech, fir and spruce from 1901 to 2016. The trend lines are based on a linear regression of calendar year and mean LER
Annals of Forest Science