Evaluation of acute toxicity of copper and nickel on Daphnia magna

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khoroshi negin; MALEKPOURI PEDRAM

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Journal: JOURNAL OF WETLAND ECOBIOLOGY Year:2018 | Volume:10 | Issue:36 Page(s): 77-87

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Title

Evaluation of acute toxicity of copper and nickel on Daphnia magna

Author(s)

khoroshi negin | MALEKPOURI PEDRAM | Issue Writer Certificate

Keywords

copperQ3

nickelQ2

neonateQ2

Daphnia magnaQ2

EC50Q2

Abstract

copper and nickel are of essential trace elements, which could be entered into aquatic ecosystems through various ways due to their broad applications in agriculture and industrial activities. The acute concentrations of these metals results in aquatic animal death and therefore, removing the planktonic community of aquatic environments. This, in turn, accounts as a serious threat to other living organism through eliminating the first trophic level of a food chain. In this study, we investigated the copper (CuSO4. 5H2O) and nickel (NiSO4. 6H2O) toxicity effects on Daphnia magna neonates as a model in ecotoxicology in 2016. To address that, 60 neonates were individually exposed to 6 different concentrations of copper, including zero or control, 0. 4, 0. 6, 0. 9, 1. 35 and 2. 25 µ g/l, and 6 different concentrations of nickel, including zero or control, 18, 32, 58. 32, 104. 98 and 188. 96 µ g/l for 48h. According to the OECD protocol no. 202; immobilization was determined following 6, 24 and 48 h time intervals. The obtained results indicate that EC50-24 and-48 h for copper were 0. 931 and 0. 667 µ g/l respectively. The EC50-24 and-48h for nickel were obtained 163. 24 and 50. 06 µ g/l respectively. In conclusion, our findings showed that copper is more toxic than nickel in the case of D. magna neonates. Therefore, due to widespread use of copper as an antiseptic on fish farms, more attentions should be paid into the consumed concentration of this metal. This will likely prevent removal of zooplankton community in fish ponds as well as aquatic ecosystems.

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APA: Copy

khoroshi, negin, & MALEKPOURI, PEDRAM. (2018). Evaluation of acute toxicity of copper and nickel on Daphnia magna. JOURNAL OF WETLAND ECOBIOLOGY, 10(36 ), 77-87. SID. https://sid.ir/paper/174861/en

Vancouver: Copy

khoroshi negin, MALEKPOURI PEDRAM. Evaluation of acute toxicity of copper and nickel on Daphnia magna. JOURNAL OF WETLAND ECOBIOLOGY[Internet]. 2018;10(36 ):77-87. Available from: https://sid.ir/paper/174861/en

IEEE: Copy

negin khoroshi, and PEDRAM MALEKPOURI, “Evaluation of acute toxicity of copper and nickel on Daphnia magna,” JOURNAL OF WETLAND ECOBIOLOGY, vol. 10, no. 36 , pp. 77–87, 2018, [Online]. Available: https://sid.ir/paper/174861/en

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