Eshtiwi, S., Ibrahim, N. (2025). Effect of Blue-Green Algae Levels on the Bioremediation of Heavy Metals in Anbar City, Iraq. Egyptian Journal of Aquatic Biology and Fisheries, 29(4), 2749-2757. doi: 10.21608/ejabf.2025.448460
Somaya Eshtiwi; Noora Ibrahim. "Effect of Blue-Green Algae Levels on the Bioremediation of Heavy Metals in Anbar City, Iraq". Egyptian Journal of Aquatic Biology and Fisheries, 29, 4, 2025, 2749-2757. doi: 10.21608/ejabf.2025.448460
Eshtiwi, S., Ibrahim, N. (2025). 'Effect of Blue-Green Algae Levels on the Bioremediation of Heavy Metals in Anbar City, Iraq', Egyptian Journal of Aquatic Biology and Fisheries, 29(4), pp. 2749-2757. doi: 10.21608/ejabf.2025.448460
Eshtiwi, S., Ibrahim, N. Effect of Blue-Green Algae Levels on the Bioremediation of Heavy Metals in Anbar City, Iraq. Egyptian Journal of Aquatic Biology and Fisheries, 2025; 29(4): 2749-2757. doi: 10.21608/ejabf.2025.448460
Effect of Blue-Green Algae Levels on the Bioremediation of Heavy Metals in Anbar City, Iraq
This study investigated the capacity of two blue-green algae species, Oscillatoria amoena and Nostoc linckia, to accumulate heavy metals. Cultures were exposed to lead (Pb) and copper (Cu) at concentrations of 0.25, 0.50, 0.75, 1.0, and 2.0mg/ L for 14 days. The results showed that O. amoena exhibited a higher accumulation capacity for lead, reaching 1.501µg/ g dry weight at the highest treatment level (2.0mg/ L), compared with N. linckia, which accumulated 0.665µg/ g dry weight under the same conditions. In contrast, N. linckia demonstrated a greater ability to accumulate copper, reaching 1.08µg/ g dry weight at 2.0mg/ L, while O. amoena accumulated only 0.59µg/ g dry weight. A clear positive correlation was observed between heavy metal concentration in the medium and the amount accumulated by the algae. Statistical analysis confirmed significant differences in the accumulation of both Pb and Cu across treatments.
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