Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Species selection
  • Section S2. Consideration of the potential for non-pH effects on calcium carbonate δ11B
  • Fig. S1. Calcification response patterns of the full sample collection and of the subset of samples used in this study.
  • Table S1. Seawater chemistry (pCO2 in μatm, total alkalinity (TA) in umol/kg-SW, pHsw), net calcification rate (% change/60 days), δ11B (‰) of biogenic CaCO3, calcification site pH (pHCF), and ∆pH (pHCF − pHsw).
  • Table S2. Linear and quadratic regression analysis of boron isotopic composition (δ11B) of biogenic carbonates as a function of seawater pH via the least squares method.
  • Table S3. Linear and quadratic regression analysis of ∆pH as a function of seawater pH via the least squares method.
  • References (3341)

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