The effect of nickel (Ni) on the growth and population density of freshwater rotifer Brachionus calyciflorus

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SEYYEDI ABALVAN M.; GHAFFARI M.; GHARAEI A.

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Journal: Journal of Animal Research Year:2015 | Volume:28 | Issue:2 Page(s): 223-232

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Title

The effect of nickel (Ni) on the growth and population density of freshwater rotifer Brachionus calyciflorus

Author(s)

SEYYEDI ABALVAN M. | GHAFFARI M. | GHARAEI A. | Issue Writer Certificate

Keywords

Brachionus calyciflorus rotiferQ2

NickelQ2

specific growth rateQ1

population densityQ2

Abstract

Freshwater rotifer B. calyciflorus is one of the major zooplanktic species that is important in aquaculture, aquatic ecosystem food chain and environmental monitoring. Nickel is one of the stable environmental contaminants since it cannot be chemically degraded or destroyd. In present study, population response of rotifer B. calyciflorus to six different concentrations of Nickel (0. 025, 0. 05, 0. 1, 0. 2, and 0. 4 mg/l) with three replicates per concentration was studied for 8 days. Rotifer density and specific growth rate were calculated daily in the control and treatments containing Nickel. Result showed that, rotifer population growth decreased significantly (p< 0. 05) with increasing Ni concentration in the medium. The maximum density in eighth day belongs to control (49. 15± 0. 05 ind/ml) and minimum density belongs to treatments containing concentration of 0. 4 mg/l Nickel (1. 67 ind/ml). Also, the rotifer specific growth rate decreased significantly (p< 0. 05) (from 0. 56 in control group to 0. 07 in concentration of 0. 4 mg/l) with increasing concentration of this metal. Results of this study showed that rotifer B. calyciflorus is severely sensitive to heavy metal Nickel.

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APA: Copy

SEYYEDI ABALVAN, M., GHAFFARI, M., & GHARAEI, A.. (2015). The effect of nickel (Ni) on the growth and population density of freshwater rotifer Brachionus calyciflorus. JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 28(2 ), 223-232. SID. https://sid.ir/paper/248787/en

Vancouver: Copy

SEYYEDI ABALVAN M., GHAFFARI M., GHARAEI A.. The effect of nickel (Ni) on the growth and population density of freshwater rotifer Brachionus calyciflorus. JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2015;28(2 ):223-232. Available from: https://sid.ir/paper/248787/en

IEEE: Copy

M. SEYYEDI ABALVAN, M. GHAFFARI, and A. GHARAEI, “The effect of nickel (Ni) on the growth and population density of freshwater rotifer Brachionus calyciflorus,” JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 28, no. 2 , pp. 223–232, 2015, [Online]. Available: https://sid.ir/paper/248787/en

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