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Monitoring Heavy Metal Contamination Using Rocky Oyster (Saccostrea glomerata) in Haiphong-Halong Coastal Area, North Vietnam | ||
| International Journal of Environmental Research | ||
| مقاله 31، دوره 9، شماره 4، دی 2015، صفحه 1373-1378 اصل مقاله (163.97 K) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/ijer.2015.1031 | ||
| نویسندگان | ||
| Q. D. Le* 1؛ L. G. Bach2؛ T. Arai1 | ||
| 1Institute of Oceanography and Environment, Universiti Malaysia Terengganu, Terengganu, Malaysia | ||
| 2Nguyen Tat Thanh University, Vietnam | ||
| چکیده | ||
| To understand the present status of metal contamination along the Haiphong-Halong coast, the concentrations of As, Cd, Cr, Cu, Pb, and Zn were seasonally determined in rock oysters from four sites during 2013. The results indicated that a high concentration of heavy metals was found in oysters. The average concentrations of Zn and Cu were extremely high, ranging from 823.6–3201.6 and 238.1–1597.8 mg/kg dry wt., respectively, followed by As, Cd, Pb and Cr with concentrations of 10.10–19.33, 3.53–12.74, 0.79–6.20, and 0.81–4.47 mg/kg dry wt., respectively. The highest concentrations of heavy metals, Cd, Cr, Pb and Zn, found in Dinh Vu were attributed to anthropogenic inputs. In addition, the runoff in the rainy season greatly influences the accumulation of heavy metals in oysters from Dinh Vu and Do Son. The maximum levels of Cd, Cu, Zn and As could be potentially creating toxicological concerns from human health point of view and rocky oysters from the polluted sites should not be consumed. | ||
| کلیدواژه‌ها | ||
| coast؛ Health risk؛ Heavy metals؛ Oyster؛ Seasons | ||
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