期刊
MARINE POLLUTION BULLETIN
卷 184, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2022.114140
关键词
Heavy metals; Bivalve; Oyster; Clam; Saccostrea glomerata; Meretrix lyrata
资金
- Vietnam Academy of Science and Technology (VAST) under The International Cooperation Program [QTRU02.01/21-22]
- VAST [11/HD-VHL]
This study investigated the heavy metal concentrations in cultured oysters and clams in Vietnam, revealing that arsenic had the highest pollution concentration and posed potential risks to human health.
Oysters and clams are abundant and popularly consumed seafood in Viet Nam. These bivalves were proved to be suitable bioindicators to assess the heavy metal accumulation in the aquatic environment. The study is to investigate heavy metals such as As, Cd, Hg and Pb in the cultured oysters Saccostrea glomerata and clams Meretrix lyrata collected in VanDon -Quang Ninh, and CatBa -Hai Phong. The results showed that the metal heavy concentrations in the oysters Saccostrea glomerata and clams Meretrix lyrata presented in the order of As > Cd > Pb > Hg. The most polluted concentration with As among four heavy metals studied in six sampling sites was 2.81 +/- 1.07 and 1.6 +/- 0.62 mg/kg wet weight for clams and oysters, respectively. Investigated heavy metals in cultured oysters and clams indicated potential risks for human health in future by assessment of the heavy metals.
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