Fig.Ā 3From: Extreme drought triggers parallel shifts in wood anatomical and physiological traits in upper treeline of the MediterraneanĀ AndesAnnual variation of A tree ring width (RW, mm yrā1), B hydraulic diameter (Dh, Āµm) and C vessel frequency (VF, ind mmā2) for the period 2000ā2020. The black line is the mean and the shaded area is the standard error. Red vertical lines represent the start of the megadrought in 2010 and the extreme drought in 2019Back to article page