Biotransfer of heavy metals along a soil-plant-insect-chicken food chain: field study.

  title={Biotransfer of heavy metals along a soil-plant-insect-chicken food chain: field study.},
  author={Ping Zhuang and Huiling Zou and Wen-sheng Shu},
  journal={Journal of environmental sciences},
  volume={21 6},
The accumulation and transfer of Pb, Zn, Cu, and Cd along a soil-plant-insect-chicken food chain at contaminated sites were investigated. The study site nearing the Pb/Zn mine had been contaminated by heavy metals severely. Cadmium and Pb concentrations steadily declined with increasing trophic level (p < 0.01), but concentrations of Zn and Cu slightly increased from plant to insect larva (p > 0.05). The concentrations of heavy metals were the highest in chicken muscle, with lower values in… CONTINUE READING

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