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Cited by 193

The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.

Biomagnification of Perfluorinated Compounds in a Remote Terrestrial Food Chain: Lichen–Caribou–Wolf

Müller, Claudia E., De Silva, Amila O., Small, Jeff, Williamson, Mary, Wang, Xiaowa, Morris, Adam, Katz, Sharon, Gamberg, Mary, Muir, Derek C. G.·2011·Environmental Science & Technology
DOI 10.1021/es201353v
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Abstract

The biomagnification behavior of perfluorinated carboxylates (PFCAs) and perfluorinated sulfonates (PFSAs) was studied in terrestrial food webs consisting of lichen and plants, caribou, and wolves from two remote northern areas in Canada. Six PFCAs with eight to thirteen carbons and perfluorooctane sulfonate (PFOS) were regularly detected in all species. Lowest concentrations were found for vegetation (0.02-0.26 ng/g wet weight (ww) sum (Σ) PFCAs and 0.002-0.038 ng/g ww PFOS). Wolf liver showed highest concentrations (10-18 ng/g ww ΣPFCAs and 1.4-1.7 ng/g ww PFOS) followed by caribou liver (6-10 ng/g ww ΣPFCAs and 0.7-2.2 ng/g ww PFOS). Biomagnification factors were highly tissue and substance specific. Therefore, individual whole body concentrations were calculated and used for biomagnification and trophic magnification assessment. Trophic magnification factors (TMF) were highest for PFCAs with nine to eleven carbons (TMF = 2.2-2.9) as well as PFOS (TMF = 2.3-2.6) and all but perfluorooctanoate were significantly biomagnified. The relationship of PFCA and PFSA TMFs with the chain length in the terrestrial food chain was similar to previous studies for Arctic marine mammal food web, but the absolute values of TMFs were around two times lower for this study than in the marine environment. This study demonstrates that challenges remain for applying the TMF approach to studies of biomagnification of PFCAs and PFSAs, especially for terrestrial animals.

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Citations

Cites

Research works printed but not linked: 32

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Cited by

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Metadata

Authors
Müller, C. E., De Silva, A. O., Small, J., Williamson, M., Wang, X., Morris, A., Katz, S., Gamberg, M., & Muir, D. C. G.
Venue
Environmental Science & Technology
Publisher
American Chemical Society (ACS)
Published
2011-09-09
Volume
45
Issue
20
Pages
8665-8673
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
DOI
10.1021/es201353v
OpenAlex
W1978426364
Cited by
193
References
11
FWCI
9.59
Type
journal article
Language
en
Open access
closed
Licence

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