Penggunaan spesies ikan air tawar terpilih sebagai penunjuk biologi pencemaran kromium dan selenium di Malaysia

Translated title of the contribution: Use of selected freshwater fishes as bioindicator for chromium and selenium pollution in Malaysia

Nurul Akhma Zakaria, Ahmad Abas Kutty, Mohd Akmal Mahazar, Marina Zainal Abidin

Research output: Contribution to journalArticle

Abstract

Three species of freshwater fish, Rasbora sumatrana (Cyprinidae) and Poecilia reticulata (guppy; Poeciliidae) and Carrasius auratus were exposed to (chromium (Cr) and selenium (Se)) at varied concentrations for 96 h in the laboratory. Mortality was assessed and median lethal concentrations (LC50) and median lethal times (LT50) were calculated. It was observed that the LC50 and LT50 values decreased with an increase in mean exposure concentrations and times, for both metals and for all fish types. The 96h LC50 values R. sumatrana, P. reticulata and C. auratus were 20.91, 19.85, 28.31 mg/L for Cr and 0.21, 3.03, 0.24 mg/L for Se, respectively. Results indicated that Se was the most toxic metal on all types of fishes with lowest LC50 values compared to Cr.

Original languageMalay
Pages (from-to)1969-1977
Number of pages9
JournalSains Malaysiana
Volume47
Issue number9
DOIs
Publication statusPublished - 1 Jan 2018

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bioindicator
selenium
chromium
pollution
fish
mortality
metal

ASJC Scopus subject areas

  • General

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Penggunaan spesies ikan air tawar terpilih sebagai penunjuk biologi pencemaran kromium dan selenium di Malaysia. / Zakaria, Nurul Akhma; Abas Kutty, Ahmad; Mahazar, Mohd Akmal; Abidin, Marina Zainal.

In: Sains Malaysiana, Vol. 47, No. 9, 01.01.2018, p. 1969-1977.

Research output: Contribution to journalArticle

Zakaria, Nurul Akhma ; Abas Kutty, Ahmad ; Mahazar, Mohd Akmal ; Abidin, Marina Zainal. / Penggunaan spesies ikan air tawar terpilih sebagai penunjuk biologi pencemaran kromium dan selenium di Malaysia. In: Sains Malaysiana. 2018 ; Vol. 47, No. 9. pp. 1969-1977.
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