Acute toxicity of zinc, copper and lead to three species of marine organisms from the Sinop Peninsula, Black Sea*

Acute toxicity tests were performed on Echinogammars olivii (Amphipoda), Sphaeroma serratum (Isopoda) and Palaemon elegans (Decapoda), from the Sinop Peninsula in the Black Sea. 96- h LC 50 values were estimated for copper, zinc and lead in these species using the static bioassay method. The LC 50 values of Cu for E. olivii, S. serratum and P. elegans were 0.25, 1.98 and 2.52 mg/l, respectively. The LC 50 values of Zn for E. olivii , S. serratum and P. elegans were 1.30, 6.12 and 12.3 mg/l, respectively. The LC 50 values of Pb for E. olivii, S. serratum and P. elegans were 0.62, 4.61 and 5.88 mg/l, respectively. The results indicated that Cu was more toxic to the species followed by Pb and Zn. E. olivii was more sensitive to the metals than S. serratum and P. elegans.

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