Abstract:
:To evaluate the bioaccumulation potential of perfluoroalkyl acids (PFAAs) in an aquatic food web, we measured the concentrations of nine PFAAs in the water and aquatic organisms from an estuary of the Omuta River, Japan. Average log bioaccumulation factors for all PFAAs ranged from 2.0 to 2.8. There was no positive correlation observed between PFAA carbon chain length and there was no evidence of trophic magnification demonstrated among the sample types collected. These results differed from the findings of previous studies in enclosed bodies of water, perhaps because river mouth-estuarine ecotones are more variable spatially and temporally and include some fish that are highly migratory. Further investigations of bioaccumulation factors will be needed to elucidate the tendency of amphiphilic chemicals to bioaccumulate in these river mouth-estuarine ecotones.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Kobayashi J,Maeda Y,Imuta Y,Ishihara F,Nakashima N,Komorita T,Sakurai Tdoi
10.1007/s00128-018-2282-zsubject
Has Abstractpub_date
2018-04-01 00:00:00pages
536-540issue
4eissn
0007-4861issn
1432-0800pii
10.1007/s00128-018-2282-zjournal_volume
100pub_type
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