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Accumulation and depuration of heavy metals in the hard clam (Meretrix meretrix) under laboratory conditions

Abd Rashid, Wahi and Vun, Leong Wan and Abdullah, Mohd Harun (2009) Accumulation and depuration of heavy metals in the hard clam (Meretrix meretrix) under laboratory conditions. Tropical Life Sciences Research, 20 (1). pp. 17-24. ISSN 1985-3718; ESSN: 2180-4249

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Official URL: http://www.tlsr.usm.my/TLSRvol20no1.html

Abstract

Heavy metal accumulation and depuration may alter the effectiveness of Meretrix meretrix as a biomonitoring organism for water quality assessment. Therefore, this study was conducted to evaluate the effects of heavy metal accumulation and depuration on M. meretrix, by immersing it in Copper (Cu), Zinc (Zn), and Lead (Pb) solutions under laboratory conditions. The results showed that M. meretrix is able to accumulate Cu, Zn, and Pb at the rate of 0.99, 21.80, and 0.57 µg/g per day, respectively, and depurates at the rate of 0.42, 23.55, and 1.01 µg/g per day, respectively. These results indicate that M. meretrix could be effectively used as a biomonitoring organism for Cu because the accumulation rate is significantly (p ≤ 0.05) higher than the depuration rate. However, this was not the case for Zn because the accumulation rate was almost similar to the depuration rate, while for Pb, accumulation or depuration did not occur in M. meretrix.

Item Type:Article
Keyword:M. meretrix; Heavy metals; Biomonitoring
Faculty or Institute:Faculty of Agriculture and Food Sciences
Publisher:Penerbit Universiti Sains Malaysia
ID Code:17635
Deposited By: Norhazura Hamzah
Deposited On:03 Jan 2012 16:21
Last Modified:13 Apr 2017 15:33

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