Abstract
The aim of this work is to evaluate the toxic effect of water and sediment contaminated with Cu2+ on the survival and growth of juveniles of Hyalella pseudoazteca. The LC50 96 h for Cu2+ in moderately hard water was 0.17 mg/L. The concentration of 100 mg Cu2+/kg in sediment was found to have an inhibitory growth effect. This study provides information on the toxic effects of Cu2+ on a native benthic species occurring in the Pampean region, Argentina and contributes to validate, in this region, the interim use of Cu2+ values recommended by the sediment quality guidelines for the Northern hemisphere.
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Acknowledgements
Dr. Adonis Giorgi for his suggestions; Dr. Roberto Servant for Chemical determinations in sediments, CNEA, Argentina. Project granted by ANPCyT (PICT No. 14129/03) and Universidad Nacional de Luján.
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Giusto, A., Ferrari, L. Copper Toxicity on Juveniles of Hyalella pseudoazteca González and Watling, 2003. Bull Environ Contam Toxicol 81, 169–173 (2008). https://doi.org/10.1007/s00128-008-9463-0
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DOI: https://doi.org/10.1007/s00128-008-9463-0