Mercury and Selenium Balance in Endangered Saimaa Ringed Seal Depend on Age and Sex.

@article{Lyytikinen2015MercuryAS,
  title={Mercury and Selenium Balance in Endangered Saimaa Ringed Seal Depend on Age and Sex.},
  author={Merja Lyytik{\"a}inen and Juuso P{\"a}tynen and Heikki J Hyv{\"a}rinen and Tero Sipil{\"a} and Mervi Kunnasranta},
  journal={Environmental science & technology},
  year={2015},
  volume={49 19},
  pages={11808-16}
}
The endangered Saimaa ringed seal (Pusa hispida saimensis) is exposed to relatively high concentrations of mercury (Hg) in freshwaters poor in selenium (Se), a known antagonist of Hg. The impact of age and sex on the bioaccumulation of Hg and Se was studied by analyzing liver, muscle, and hair samples from seals of different age groups. Adult females were found to accumulate significantly more Hg in the liver (with ca. 60% as HgSe), and less Hg in the muscles compared to adult males, which may… CONTINUE READING

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