Variations of 210Po and 210Pb concentration in mussels (Mytilus galloprovincialis) from Didim and Izmir Bay (Turkish coast of Aegean Sea)

► Levels of 210Po and 210Pb in Mytilus galloprovincialis at the Aegean Sea. ► The highest 210Po activity concentrations were observed during the winter period. ► There were significant differences in 210Po and 210Pb regard to the seasonal change.