Effects of lead and cadmium on population density and specific growth rate of fresh water cladoceran Daphnia magna

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MARDANI S.; FARHADIAN O.; MAHBOOBI SOOFIANI N.

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Journal: Journal of Animal Research Year:2017 | Volume:30 | Issue:2 Page(s): 0-0

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Title

Effects of lead and cadmium on population density and specific growth rate of fresh water cladoceran Daphnia magna

Author(s)

MARDANI S. | FARHADIAN O. | MAHBOOBI SOOFIANI N. | Issue Writer Certificate

Keywords

Daphnia magnaQ1

specific growth rateQ1

leadQ2

cadmiumQ2

Abstract

In this study, the effects of four different concentrations of lead (0, 15, 48. 6 and 150 μ g/L) and four different concentrations of cadmium (0, 1. 2, 3. 7 and 6. 2 μ g/L) with low (2×105 cell/ml) and high (6×105 cell/ml) algal concentrations of Scenedesmus quadricauda on the density, specific growth rate (SGR) and doubling time (Dt) of fresh water cladoceran Daphnia magna were investigated. The experiment was carried out as a completly random design for 21 days with three replications. Results showed that the density and SGR were increased when concentrations of lead and cadmium decrease significantly (p<0. 05). For lead and cadmium the maximum population density (144 ind. /250 ml), maximum SGR (0. 16 /day) and minimum Dt (4. 3 days) were obtained at 0 concentration of lead and cadmium in high algal density (6×105 cell/ml). In overall, the increasing lead and cadmium concentrations was decreasing of population density and specific growth rate in D. magna.

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APA: Copy

MARDANI, S., FARHADIAN, O., & MAHBOOBI SOOFIANI, N.. (2017). Effects of lead and cadmium on population density and specific growth rate of fresh water cladoceran Daphnia magna. JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 30(2 ), 0-0. SID. https://sid.ir/paper/363621/en

Vancouver: Copy

MARDANI S., FARHADIAN O., MAHBOOBI SOOFIANI N.. Effects of lead and cadmium on population density and specific growth rate of fresh water cladoceran Daphnia magna. JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2017;30(2 ):0-0. Available from: https://sid.ir/paper/363621/en

IEEE: Copy

S. MARDANI, O. FARHADIAN, and N. MAHBOOBI SOOFIANI, “Effects of lead and cadmium on population density and specific growth rate of fresh water cladoceran Daphnia magna,” JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 30, no. 2 , pp. 0–0, 2017, [Online]. Available: https://sid.ir/paper/363621/en

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