Mercury concentrations are low in commercial fish species of Lake Ziway, Ethiopia, but stable isotope data indicated biomagnification.

@article{Tadiso2011MercuryCA,
  title={Mercury concentrations are low in commercial fish species of Lake Ziway, Ethiopia, but stable isotope data indicated biomagnification.},
  author={Tariku Markos Tadiso and Reidar Borgstr{\o}m and Bj{\o}rn Olav Rosseland},
  journal={Ecotoxicology and environmental safety},
  year={2011},
  volume={74 4},
  pages={
          953-9
        }
}
Stable isotope ratios of nitrogen (δ(15)N) and carbon (δ(13)C), complemented by stomach content data, were used to assess the food web structure and trophic transfer of mercury (Hg) in four commercial fish species of Lake Ziway, Ethiopia: Nile tilapia (Oreochromis niloticus), catfish (Clarias gariepinus), Tilapia zillii, and golden carp (Carassius auratus). Total mercury (THg in mg kg(-1), ww) concentrations were low, with mean values of 0.033, 0.034, 0.025, and 0.011, in C. gariepinus, T… CONTINUE READING
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