Spatial variations of heavy metal accumulation in Manila clam Ruditapes philippinarum from some selected intertidal flats of Korea SCOPUS KCI

Title
Spatial variations of heavy metal accumulation in Manila clam Ruditapes philippinarum from some selected intertidal flats of Korea
Author(s)
Ahn, I.-Y.; Ji, Jungyoun; Choi, Hee Seon; Pyo, S.-H.; Park, Hyun; Choi, J.-W.
Publication Year
2006-09
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).
ISSN
1598-141X
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/6515
DOI
10.4217/OPR.2006.28.3.215
Bibliographic Citation
Ocean and Polar Research, v.28, no.3, pp.215 - 224, 2006
Publisher
Korea Ocean Research and Development Institute
Keywords
Heavy metal; Korea; Ruditapes philippinarum; Spatial variation; Tidal flat
Type
Article
Language
Korean
Document Type
Article
Publisher
Korea Ocean Research and Development Institute
Files in This Item:
There are no files associated with this item.

qrcode

Items in ScienceWatch@KIOST are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse