The status of heavy metal levels in a Ramsar Site, Kuala Gula Bird Sanctuary: the impact of the anthropogenic inputs.

R.M., Lomoljo and Ismail, Ahmad and Yap, Chee Kong and Ismail, Abdul Rahim (2010) The status of heavy metal levels in a Ramsar Site, Kuala Gula Bird Sanctuary: the impact of the anthropogenic inputs. Toxicological & Environmental Chemistry, 92 (10). pp. 1953-1963. ISSN 0277-2248

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Distributions of Cd, Cu, Pb, and Zn in the surface sediments from two sites of the Kuala Gula Bird Sanctuary, Malaysia were monitored for a period of 6 months from October 2006 to March 2007. In December 2006, the concentration of Zn in one location was significantly ( p50.05) higher (3.91.3 mgkg1) than the other metals at both sites, but in the oxidizable organic fraction it was highest at both sites during October; with mean concentrations of 18mg kg1 at both locations. In the acid-reducible fraction, high concentrations of Pb (2.3 mg kg1) were detected at station 2 in February 2007, being highest among all four metals at both stations. The acid-reducible fraction found in Pb ranged from 0.10% to 3.1% in both stations. Percentages ranging from 51% to 96% were observed for all four metals in the resistant fraction throughout the sampling period. These results indicate low contributions from anthropogenic sources. The findings constitute a baseline data archive for future reference.

Item Type:Article
Keyword:Geochemical fractionionation; Metals; Intertidal mudflat; Sediments; Ramsar site, Kuala Gula.
Subject:Heavy metals - Environmental aspects - Malaysia - Kuala Gula. Metals.
Subject:Marine sediments - Malaysia - Kuala Gula - Heavy metal content.
Faculty or Institute:Faculty of Science
Publisher:Taylor & Francis
DOI Number:10.1080/02772248.2010.490529
ID Code:17343
Deposited By: Najwani Amir Sariffudin
Deposited On:15 May 2012 01:41
Last Modified:15 May 2012 01:41

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