Abstract

In laboratory exposures, uptake rates from water for both benzo(a)pyrene and fluorene were 1-2 orders of magnitude higher in missels than in diatoms, while depuration rates were similar. Bioconcentration factors in mussels were 21428 and 394 for benzo(a)pyrene and fluorene, respectively, and 636 and 11 in diatoms. Accumulation of benzo(a)pyrene in mussels through trophic transfer from algae amounted to 1.3% of total residue in molluscs.

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