Temporal and spatial biomonitoring of heavy metals in eastern Aegean coastal waters using Amphibalanus amphitrite

► Metals were measured in barnacle, seawater and sediment from the eastern Aegean. ► Amphibalanus amphitrite has been chosen as a strong candidate for monitoring heavy metals. ► Barnacles accumulate Cu in a higher degree than both sediment and seawater. ► Inner of Izmir Bay especially harbour area is mostly affected by human activities.