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. 2019 Nov 25;116(51):25734–25744. doi: 10.1073/pnas.1913072116

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Fig. 7. — Competing effects of atmospheric CO₂ enrichment (C_a) and warming of the GS (∆T). Contour lines for each response variable were obtained from linear regressions with ∆T (based on historic, RCP4.5, and RCP8.5 weather) at each of 3 C_a (historic, RCP4.5, and RCP8.5; n = 520 per C_a). Superimposed are ∆T distributions for an RCP4.5 future (lower box and whisker, n = 240) and an RCP8.5 future (upper box and whisker, n = 240; boxes = 25th to 75th percentile with median line; whiskers = 10th and 90th percentiles; symbols = remainder). (A) Stress in nonacclimated stands indicated by contours of mean PLC_max (gray) and the 10% mortality contour (dashed black; 10% of simulations reaching PLC_max ≥ 85). (B) NPP in acclimated stands indicated by contours of percentage change (all percentages relative to historic) of acclimated stands. (C) AGB in acclimated stands indicated by contours of percentage change.