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Related Experiment Video

Updated: Feb 12, 2026

Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea

Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea

Published on: September 5, 2018

Using bivalve chronologies for quantifying environmental drivers in a semi-enclosed temperate sea.

M Peharda¹, I Vilibić², B A Black³

¹Institute of Oceanography and Fisheries, Split, Croatia.

Scientific Reports

|April 5, 2018

Summary

Bivalve shell growth records reveal oceanographic patterns in the Mediterranean Sea. Shell growth in Glycymeris pilosa reflects sea surface temperatures and the Bimodal Oscillating System (BiOS), not local freshwater inflow.

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Area of Science:

Marine Paleoecology
Paleoceanography
Bivalve Shell Growth Analysis

Background:

Bivalve shells offer valuable proxies for marine environmental variability, particularly at higher latitudes.
Their utility in temperate, semi-enclosed seas like the Mediterranean is less explored.

Purpose of the Study:

To develop and validate a bivalve shell chronology for tracking oceanographic processes in the Mediterranean.
To investigate the relationship between Glycymeris pilosa growth and environmental factors in the Adriatic Sea.

Main Methods:

Construction of a precisely dated chronology from Glycymeris pilosa shells (1979-2016).
Statistical correlation analysis between the bivalve chronology and sea surface temperatures, and the Adriatic-Ionian Bimodal Oscillating System (BiOS) index.

Main Results:

The chronology positively correlates with winter sea surface temperatures and negatively with summer temperatures.
Strongest relationships observed were negative correlations with the BiOS index, indicating reduced growth during inflows of Eastern Mediterranean waters.
No significant correlation found with freshwater discharge, highlighting the influence of remote oceanographic drivers.

Conclusions:

Bivalve shell chronologies are effective tools for reconstructing oceanographic variability in temperate, semi-enclosed seas.
Growth in Glycymeris pilosa is influenced by regional climate patterns (BiOS) and temperature extremes, rather than local freshwater inputs.
This study demonstrates the potential of bivalve proxies for understanding past ocean circulation in mid-latitude systems.