Mercury in marine fish, mammals, seabirds, and human hair in the coastal zone of the southern Baltic

Water, Air, and Soil Pollution
Magdalena Bełdowska, Lucyna Falkowska

Abstract

Mercury (Hg), aside from having high toxicity, is characterized by its ability to biomagnify in the marine trophic chain. This is an important problem especially in estuaries, or in the coastal zone, particularly near the mouths of large rivers. This study was conducted in the years 2001-2011, in the coastal zone of the Baltic Sea near to the mouth of the River Vistula, which is the second biggest river discharging into the Baltic. Mercury concentration was measured in the tissues and organs of cod, flounder, herring, seals (living in the wild and in captivity), great black-backed gulls, and African penguins from Gdańsk Zoo, and also in human hair. Penguins and seals at the seal sanctuary in Hel were fed only herring. In marine birds and mammals and in the pelagic herring, the highest Hg concentration was observed in the kidney and in the liver, while in cod and flounder (located on a higher trophic level) the muscles were the most contaminated with mercury. In gray seals living in the seal sanctuary, Hg concentration in all analyzed tissues and organs except the kidneys was lower in comparison with seals living in the wild. The comparatively small share of fish in the diet of local Polish people and their preference towards th...Continue Reading

References

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Citations

Aug 23, 2017·Biological Trace Element Research·José Cavalcante Souza VieiraPedro de Magalhães Padilha
Dec 3, 2017·Biological Trace Element Research·João Vitor de QueirozPedro de Magalhães Padilha
Jun 10, 2016·Biological Trace Element Research·G HabibaK Bishop
Sep 27, 2020·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Maria Giovanna ParisiMatteo Cammarata
Jun 3, 2021·International Journal of Environmental Research and Public Health·Amel JebaraGiuseppa Di Bella

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Methods Mentioned

BETA
dissection

Software Mentioned

HELCOM

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