Interspecific variation of heavy metal concentrations in the different parts of tropical intertidal bivalves

Edward, Franklin Berandah and Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2009) Interspecific variation of heavy metal concentrations in the different parts of tropical intertidal bivalves. Water, Air, & Soil Pollution, 196 (1-4). pp. 297-309. ISSN 0049-6979

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The concentrations of Cd, Cu, Fe, Ni, Pb and Zn in the different parts of six bivalves species were determined. From the study conducted, it was found that the byssus of Perna viridis, Scpharca broughtonii and Trisidos kiyonoi; the gill of Polymesoda erosa and Donax faba; and the foot of Gelonia expansa were highly accumulative of Cu. High levels of Cd were found in the gills of Scpharca broughtonii and the byssus of Trisidos kiyonoi; and also the shells of the four remaining bivalve species. As for Zn, the mantles of P. erosa and T. kiyonoi, and the gills of D. faba, G. expansa and S. broughtonii were highly accumulative of Zn. High level of Pb and Ni were found in the shells of all the species which indicated that the shells of the bivalves were highly accumulative of Pb and Ni. Elevated levels of Fe however were found in the different parts of the bivalve since Fe is an essential metal in metabolic activities and an abundant element in nature. The heavy metals in the total tissues and the different soft tissues of the bivalves were compared with the maximum permissible limits set by five different countries. From the comparison, it was found that most of the bivalves contained metal concentrations which were below the maximum permissible limits and should pose no toxicological risk to consumers.

Item Type:Article
Keyword:Heavy metal; Different parts; Bivalves; Malaysian coast; Bioavailabilities; Contamination
Subject:Bivalves - Effect of heavy metals on
Subject:Bivalves - Effect of water pollution on
Subject:Bivalves - Malaysia
Faculty or Institute:Faculty of Biotechnology and Biomolecular Sciences
Publisher:Springer Science + Business Media B.V.
DOI Number:DOI: 10.1007/s11270-008-9777-x
ID Code:15277
Deposited By: Nida Hidayati Ghazali
Deposited On:01 Aug 2012 06:46
Last Modified:31 Oct 2012 08:41

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