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Spatial Variation of Heavy Metal Accumulation in Manila clam Ruditapes philippinarum from Some Selected Intertidal Flats of Korea

Cited 6 time in scopus
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Title
Spatial Variation of Heavy Metal Accumulation in Manila clam Ruditapes philippinarum from Some Selected Intertidal Flats of Korea
Other Titles
우리나라 갯벌 조간대 바지락 Ruditapes philippinarum의 지역별 중금속 농축 변화
Authors
Ahn, In-Young
Pyo, Sei Hong
Park, Hyun
Choi, Heeseon J.
Ji, Jung Youn
Subject
Oceanography
Keywords
Ruditapes philippinarum; heavy metal; spatial variation; tidal flat; Korea
Issue Date
2006
Citation
Ahn, In-Young, et al. 2006. "Spatial Variation of Heavy Metal Accumulation in Manila clam Ruditapes philippinarum from Some Selected Intertidal Flats of Korea". Korea Institute of Ocean Science & Technology, 28(3): 215-224.
Abstract
Spatial variation of heavy metal accumulation was investigated in Manila clam Ruditapes philippinarum collected from several tidal flats. Sediment metal levels varied highly among the sites, which was attributed primarily to differences in Fe and organic carbon contents and in part to grain size. Significant differences in metal concentrations also were found in the clam tissue among the different sampling sites. However, except for a few metals (Mn, Zn, Pb), which showed some elevation, the variations in the clam tissue were not related to the variations in the sediment. This is likely because most metals in filter-feeding herbivores such as R. philippinarum accumulated as a result of feeding on suspended particles such as phytoplankton and organic detritus in the water column, not in bottom sediment. In addition, tissue weight for a specific shell size varied significantly among the sites, and increased tissue mass indicating a good nutritive condition likely caused a subsequent dilution of body metals leading to reduced weight-specific concentrations of some metals (Cd, Zn, Cu, Co).
URI
http://repository.kopri.re.kr/handle/201206/6674
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