Selective exploitation of large pike Esox lucius--effects on mercury concentrations in fish populations.

@article{Sharma2008SelectiveEO,
  title={Selective exploitation of large pike Esox lucius--effects on mercury concentrations in fish populations.},
  author={Chhatra Mani Sharma and Reidar Borgstr{\o}m and J{\o}rgen Sinkaberg Huitfeldt and Bj{\o}rn Olav Rosseland},
  journal={The Science of the total environment},
  year={2008},
  volume={399 1-3},
  pages={
          33-40
        }
}
The present study outlines two main trends of mercury transfer patterns through the fish community: 1) the Hg concentrations increase with increase in the trophic level, with top predators having the highest concentrations, and 2) a fast growth rate may dilute the concentrations of Hg in fish muscle tissue (growth biodilution). In 2004, an extensive reduction in number of large pike (Esox lucius L.), was initiated by selective gillnet fishing in Lake Arungen, Norway, in order to increase the… CONTINUE READING
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