gcb2617-sup-0001-FigS1.docxWord document1605KFigure S1. Maximum tree age (AgeMax) vs. site elevation for all the 27 (12 old-growth + 15 managed) beech forests in the eastern Alps (solid symbols) and the central Apennines (empty symbols).
gcb2617-sup-0002-FigS2.docxWord document1122KFigure S2. Linear sample relationships (equations shown in the boxes) between vegetative season (May–September) mean temperature and log-transformed (a) mean age of the five oldest trees, computed after excluding the suppression years and (b) 99th percentile of the distribution of ring width (Max RW).
gcb2617-sup-0003-FigS3.docxWord document421KFigure S3. Basal area increment (BAI) of old (>300 years) beech trees sampled in the central Apennines and the eastern Alps (above).

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