Figure 5 | Scientific Reports

Figure 5

From: Stylasterid corals build aragonite skeletons in undersaturated water despite low pH at the site of calcification

Figure 5

Coral U/Ca against (A) δ18O and (B) δ11B (C) B/Ca. Stylasterid U/Ca, B/Ca, and δ11B data are from this study, paired with δ18O measurements in the same specimens28. Scleractinian D. dianthus data are from micro-sampled specimens by Chen et al.53 and Stewart et al.47. Individual analyses from the same specimens are connected by solid trend lines (2 analyses or more). Dashed trendlines show the covariance between all aragonitic stylasterid measurements (p < 0.01).

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