~(210)Po in fish, algae, mussel and beach sediment samples collected along the Turkish coast of the Black Sea

摘要

~(210)Po in sea fish, mussel, algae and beach sediment samples collected at four selected stations (Sile, Trabzon, Sinop and Zonguldak) along the Turkish coast of the Black Sea are presented and discussed. The observed ~(210)Po massic activities in beach sediments and algae were 5.9-79 Bq kg~(-1) dry weight (dw) and 11.5-35 Bq kg~(-1) dw, respectively. The ~(210)Po levels in fish were between 0.8 and 2.4 Bq kg~(-1) wet weight (ww) in whiting (Merlangius sp.), 1.6-8.9 Bq kg~(-1)ww in horse mackerel (Trachurus sp.), and 5.8-6.3 Bq kg~(-1) in red mullet (Mullus sp.). Possible causes of these variations are "vital effects", e.g. individual fish size and interfamily differences. The average activity of ~(210)Po in mussels with shell length ≥ 5 cm was 25 ± 10 Bq kg~(-1) ww.