The bivalve Glycymeris pilosa as a multidecadal environmental archive for the Adriatic and Mediterranean Seas

Melita Peharda, Bryan A. Black, Ariadna Purroy, Hrvoje Mihanović

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

We evaluated the potential of Glycymeris pilosa as an environmental indicator for the Mediterranean region by applying sclerochronological techniques on a sample set collected from Pašman Channel in the middle Adriatic Sea. Maximal longevity of analyzed shells was 69 years. Growth increments in acetate peels of the hinge region had clear boundaries, and there was a strongly synchronous signal in growth-increment width among individuals. The final, replicated chronology spanned 1969 to 2013. Shell growth negatively correlated with local summer sea temperatures and positively with November precipitation. High correlation between shell growth and circulation patterns in the northern Ionian was also observed, with slower growth occurring during cyclonic regimes. Given its broad distribution in the region and the ability to crossdate, generate annually-resolved chronologies, and of a length that substantially overlaps with observational records, G. pilosa has considerable potential to test hypotheses relating to environmental variability and biological response in the Mediterranean.

Original languageEnglish (US)
Pages (from-to)79-87
Number of pages9
JournalMarine Environmental Research
Volume119
DOIs
StatePublished - Aug 1 2016
Externally publishedYes

Keywords

  • Adriatic
  • Bivalve
  • Chronology
  • Climate
  • Coastal
  • Growth
  • Marine ecology
  • Mediterranean
  • Palaeoecology

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution

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