Abstract：
:This study assesses the relative importance of water and sediments as vectors of TBT uptake in the sediment-dwelling suspension feeder, Ruditapes decussatus. Accumulation of TBT was determined in R. decussatus exposed for 60 days to moderately high but environmentally realistic levels of TBT in water (100 ng Snl(-1)) and sediments (0.8 microg Sn g(-1) dw), separately or in combination, using constant-flow systems. The results indicate that this species accumulates TBT predominantly from water. Although some accumulation from sediments does occur, the processing of large amounts of water needed to sustain the filter-feeding habits of this species is a prime determinant of TBT uptake. The route of exposures reflected in tissue distributions of TBT in R. decussatus. However, gills are the most important site for accumulation of TBT from water, irrespective of whether contaminated sediments are present or not.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Coelho MR,Bebianno MJ,Langston WJdoi
10.1016/s0141-1136(02)00104-6keywords:
subject
Has Abstractpub_date
2002-08-01 00:00:00pages
179-92issue
2eissn
0141-1136issn
1879-0291pii
S0141-1136(02)00104-6journal_volume
54pub_type
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