Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Variation in seawater pH (A), total alkalinity (B), PCO2 (C), and aragonite saturation state (D) in each treatment for the duration of the experiment.
  • Fig. S2. Variation in pH with time of day for each treatment.
  • Fig. S3. Top-down and side-view 3D x-ray images identifying the key skeletal structures discussed in this study.
  • Fig. S4. Examples of manual measurements of diameter, corallite wall thickness (A and B), tertiary septa length/width ratio (C and D), and height and basal plate thickness (E and F).
  • Fig. S5. All remaining individuals from the control (that is, excluding the individual shown in Fig. 1).
  • Fig. S6. All remaining individuals from the high T treatment (that is, excluding the individual shown in Fig. 1).
  • Fig. S7. All remaining individuals from the high PCO2 treatment (that is, excluding the individual shown in Fig. 1).
  • Fig. S8. All remaining individuals from the high T + PCO2 treatment (that is, excluding the individual shown in Fig. 1).
  • Fig. S9. nMDS ordination in two dimensions of quantitative output from 3D x-ray microscopy scans of juvenile coral skeletons, including SA/vol (A), diameter (B), height (C), basal plate thickness (D), corallite wall thickness (E), and tertiary septa length/width ratio (F) for individuals grown under different temperature-PCO2 regimes.
  • Fig. S10. nMDS ordination in two dimensions, pooling all measures from 3D x-ray microscopy scans of juvenile coral skeletons.
  • Table S1. Physical and chemical conditions maintained in each treatment for the duration of the experiment mean ± SD; Foster et al. (23).
  • Table S2. Two-way ANOVAs testing for significant effects of temperature, PCO2, and interactions between the two factors (temperature * PCO2) on x-ray microscopy measurements of juvenile coral skeletons.
  • Legends for movies S1 and S2

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mp4 format). Skeleton of a 1-month-old coral recruit grown under control (24°C and 250 μatm) conditions.
  • Movie S2 (.mp4 format). Skeleton of a 1-month-old coral recruit grown under high PCO2 (24°C and 900 μatm) conditions.

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