The accumulation of metals and methylmercury in Nerita lineata and the relation to intertidal surface sediment concentrations

Hazzeman Haris, Ahmad Zaharin Aris, Mazlin Bin Mokhtar, Ley Juen Looi

Research output: Contribution to journalArticle

Abstract

This study was conducted to assess the reliability of Nerita lineata as a bioindicator for metals in sediment and the factors influencing the accumulation of metals and methylmercury in its soft tissue. The two matrices were analyzed for Co, Cr, Cu, THg, MeHg, Mn, Ni, Pb, and Zn. The metal concentrations in N. lineata were comparable to previously reported results with the exception of Ni which was higher. Cu, Mn, and Pb in N. lineata were significantly (p < 0.05) positively correlated with the respective elements in the sediment, while the biota-sediment accumulation factor showed that Cu, THg, MeHg, and Ni were bioconcentrated in N. lineata. This suggests that N. lineata has the potential to be a bioindicator for Cu, THg, MeHg, Mn, Ni, and Pb. The results also suggest an indirect relationship between THg in the sediment and the MeHg concentration in N. lineata in which periphyton might play a role. The affinity of Cr, Cu, Pb, and Zn with Mn (oxides) in sediment was also found to be a factor influencing their accumulation in N. lineata.

Original languageEnglish
Article number125590
JournalChemosphere
Volume245
DOIs
Publication statusPublished - Apr 2020

Fingerprint

methylmercury
Sediments
Metals
metal
sediment
Biomarkers
Biota
bioindicator
Oxides
periphyton
biota
oxide
Tissue
matrix

Keywords

  • Bioindicator
  • Biota-sediment accumulation factor
  • Gastropod
  • Metals in mollusks
  • Methylmercury
  • Sediment

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Chemistry(all)
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

The accumulation of metals and methylmercury in Nerita lineata and the relation to intertidal surface sediment concentrations. / Haris, Hazzeman; Aris, Ahmad Zaharin; Mokhtar, Mazlin Bin; Looi, Ley Juen.

In: Chemosphere, Vol. 245, 125590, 04.2020.

Research output: Contribution to journalArticle

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