Comment on G. Wansard & F. Mezquita, the response of ostracode shell chemistry to seasonal change in a Mediterranean freshwater spring environment

David L. Dettman, Manuel Palacios-Fest, Andrew S. Cohen

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

In a study of the minor element chemistry of ostracode shells, Wansard and Mezquita (2001) concluded that the Mg/Ca and Sr/Ca of the ambient water controlled the respective ratios in ostracode calcite. Contrary to their conclusion that minor element chemistry is not influenced by temperature, we find a very strong statistical correlation (r = 0.97) between temperature and shell chemistry in their data. This discrepancy apparently arises due to their use of a partition coefficient model of shell chemistry that masks a number of strong correlations in their data. We argue here that the partition coefficient model is not appropriate for this biologically mediated carbonate, and that a broader range of possible controls on shell chemistry needs to be tested.

Original languageEnglish (US)
Pages (from-to)487-491
Number of pages5
JournalJournal of Paleolimnology
Volume27
Issue number4
DOIs
StatePublished - Oct 30 2002

Keywords

  • Mg/Ca ratio
  • Minor element
  • Ostracode
  • Partition coefficient
  • Sr/Ca ratio

ASJC Scopus subject areas

  • Aquatic Science
  • Earth-Surface Processes

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