Chronic and acute effects of nickel and cobalt on chlorophyll a and carotenoids of marine micro algae Nannochloropsis oculata

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Beygi Malekabadi Morteza; ZAMANI AHMADMAHMOODI RASOOL; RAHIMI RUHOLLAH; Ebrahimi Hajar

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Journal: JOURNAL OF MARINE BIOLOGY Year:2019 | Volume:11 | Issue:41 Page(s): 55-62

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Title

Chronic and acute effects of nickel and cobalt on chlorophyll a and carotenoids of marine micro algae Nannochloropsis oculata

Author(s)

Beygi Malekabadi Morteza | ZAMANI AHMADMAHMOODI RASOOL | RAHIMI RUHOLLAH | Ebrahimi Hajar | Issue Writer Certificate

Keywords

Heavy metalsQ2

EC50Q1

Chlorophyll aQ2

CarotenoidQ1

Nannochloropsis oculataQ2

Abstract

Algae are among the aquatic organisms that are severely exposed to increasing levels of pollutants, which are becoming a concern in marine ecosystems. Heavy metals are among the compounds for which their increase in high levels causes problems in the structure of algae communities in aquatic ecosystems. In this study, the effect of different concentrations of Nickel (1. 5, 3, 4, 6, 8, 12, 15 mg/l) and cobalt (1. 5, 2, 3, 5, 6, 8, 10 mg/l) on Chlorophyll a and the Carotenoid level of microalga Nannochloropsis oculata was investigated for 72 hours. The EC50 of nickel and cobalt were determined according to the OECD 2011 protocol. The results of acute tests showed that EC50 of nickel and cobalt was 6. 5 mg/l and 5. 3 mg/l, respectively. Overall, the results of this study showed that nickel caused toxicity in higher concentrations compared to cobalt. Furthermore, nickel and cobalt Heavy metals significantly inhibited the growth and reproduction of N. oculata. However, these Heavy metals had lower effect on ceratoid contents.

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APA: Copy

Beygi Malekabadi, Morteza, ZAMANI AHMADMAHMOODI, RASOOL, RAHIMI, RUHOLLAH, & Ebrahimi, Hajar. (2019). Chronic and acute effects of nickel and cobalt on chlorophyll a and carotenoids of marine micro algae Nannochloropsis oculata. JOURNAL OF MARINE BIOLOGY, 11(41 ), 55-62. SID. https://sid.ir/paper/370036/en

Vancouver: Copy

Beygi Malekabadi Morteza, ZAMANI AHMADMAHMOODI RASOOL, RAHIMI RUHOLLAH, Ebrahimi Hajar. Chronic and acute effects of nickel and cobalt on chlorophyll a and carotenoids of marine micro algae Nannochloropsis oculata. JOURNAL OF MARINE BIOLOGY[Internet]. 2019;11(41 ):55-62. Available from: https://sid.ir/paper/370036/en

IEEE: Copy

Morteza Beygi Malekabadi, RASOOL ZAMANI AHMADMAHMOODI, RUHOLLAH RAHIMI, and Hajar Ebrahimi, “Chronic and acute effects of nickel and cobalt on chlorophyll a and carotenoids of marine micro algae Nannochloropsis oculata,” JOURNAL OF MARINE BIOLOGY, vol. 11, no. 41 , pp. 55–62, 2019, [Online]. Available: https://sid.ir/paper/370036/en

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