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Environmental Chemistry Letters

, Volume 16, Issue 2, pp 575–579 | Cite as

High mercury bioaccumulation in Pacific salmons from the Sea of Okhotsk and the Bering Sea

  • Nadezhda K. Khristoforova
  • Vasiliy Yu. Tsygankov
  • Olga N. Lukyanova
  • Margarita D. Boyarova
Original Paper

Abstract

Mercury (Hg) accumulation in fishes is a serious threat for food security because mercury induces dieseases. Here we studied the total mercury content in four species of Pacific salmon (pink, chum, sockeye and chinook), caught in the Sea of Okhotsk, the Bering Sea, and the Kuril oceanic waters. Results show that the lowest concentration of mercury was found in the pink salmon, and the highest was 5–6 times higher in sockeye. Hg concentrations exceed several times those in other species of Pacific salmon from the North Pacific

Keywords

Bioaccumulation Mercury Pacific salmon The northwestern Pacific 

Notes

Acknowledgements

We thank our colleagues from Pacific Research Fisheries Centre (TINRO-Centre) for sampling collection during marine expeditions. We also thank Tatiana V. Yakunina for the correction of the English language of this article. This work was supported by the Russian Science Foundation (Project No. 14-50-00034).

Compliance with ethical standards

Conflicts of interest

No conflicts of interest for any of the authors.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Nadezhda K. Khristoforova
    • 1
    • 3
  • Vasiliy Yu. Tsygankov
    • 2
  • Olga N. Lukyanova
    • 1
    • 4
  • Margarita D. Boyarova
    • 1
  1. 1.School of Natural SciencesFar Eastern Federal UniversityVladivostokRussia
  2. 2.School of BiomedicineFar Eastern Federal UniversityVladivostokRussia
  3. 3.Pacific Geographical Institute FEB RASVladivostokRussia
  4. 4.Pacific Research Fisheries Centre (TINRO-Centre)VladivostokRussia

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