期刊
ENVIRONMENTAL MONITORING AND ASSESSMENT
卷 170, 期 1-4, 页码 631-643出版社
SPRINGER
DOI: 10.1007/s10661-009-1262-5
关键词
Heavy metals; Biomonitor; Ruditapes philippinarum; Temporal variations; Spatial variations; Jiaozhou Bay
资金
- National Key Foundational [2007CB407305]
- National Agricultural Public Welfare Research [nyhyzx07-047]
- National Marine Public Welfare Research Project of China [200805069]
- Science Fund for Creative Research Groups [40821004]
- CAS [KZCX2-YW-Q07-03]
Manila clams (Ruditapes philippinarum) and sediments were collected bimonthly during 2007 at five locations in Jiaozhou Bay near Qingdao, China, to determine heavy metal concentrations and to assess the validation of R. philippinarum as a metal biomonitor. Concentrations of heavy metals in clam soft tissues ranged between 0.75 and 3.31, 0.89 and 15.20, 5.70 and 26.03, 52.12 and 110.33, 10.30 and 72.34, 9.64 and 28.60, and 3.15 and 52.75 mu g g (-aEuro parts per thousand 1) dry weight for Cd, Pb, Cu, Zn, Mn, Cr, and Ni, respectively. Most of the highest values occurred at the northeast bay and the lowest values occurred at the western part. Regarding seasonal variation, relatively high tissue metal concentrations were observed during October or December. A similar pattern was also found in habitat sediments. There was a strong correlation between the concentrations of Cd, Pb, Zn, Mn, Cr, and Ni in soft tissues and surrounding sediments. It is indicated that R. philippinarum could be used as a biomonitor for heavy metal contamination in Jiaozhou Bay.
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