“…Yearly BAI per tree was calculated with the bai.in function from the dplR Rpackage (Biondi & Qeadan, 2008;Bunn, 2008). The double bark thickness, needed for accurate BAI calculations, was estimated using the allometric relationship from Lojo et al (2021). All BAI series were averaged in each of the two classes (living and wind-thrown) resulting in two BAI chronologies.…”