Title
Brominated and phosphorus flame retardants in White-tailed Eagle **Haliaeetus albicilla** nestlings : bioaccumulation and associations with dietary proxies (<tex>$\delta^{13}C$</tex>, <tex>$\delta^{15}N$</tex> and <tex>$\delta^{34}S$</tex>)Brominated and phosphorus flame retardants in White-tailed Eagle **Haliaeetus albicilla** nestlings : bioaccumulation and associations with dietary proxies (<tex>$\delta^{13}C$</tex>, <tex>$\delta^{15}N$</tex> and <tex>$\delta^{34}S$</tex>)
Author
Faculty/Department
Faculty of Sciences. Biology
Faculty of Social Sciences. Instructional and Educational Sciences
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Research group
Behavioural Ecology & Ecophysiology
Toxicological Centre
Publication type
article
Publication
Amsterdam,
Subject
Chemistry
Biology
Source (journal)
The science of the total environment. - Amsterdam
Volume/pages
478(2014), p. 48-57
ISSN
0048-9697
ISI
000334480800006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Very little is known on the exposure of high trophic level species to current-use brominated (BFRs) and phosphorus flame retardants (PFRs), although observations on their persistence, bioaccumulation potential, and toxicity have been made. We investigated the accumulation of BFRs and PFRs, and their associations with dietary proxies (δ13C, δ15N and δ34S), in plasma and feathers of White-tailed Eagle Haliaeetus albicilla nestlings from Trøndelag, Norway. In addition to accumulation of a wide range of polybrominated diphenyl ether (PBDE) congeners in both plasma and feathers, all non-PBDE BFRs and PFRs could be measured in feathers, while in plasma only two of six PFRs, i.e. tris-(2-chloroisopropyl) phosphate (TCIPP) and tris-(2,3-dichloropropyl) phosphate (TDCPP) were detected. PFR concentrations in feathers (0.953000 ng g− 1) were much higher than selected organochlorines (OCs), such as polychlorinated biphenyl 153 (CB 153; 2.315 ng g− 1) and dichlorodiphenyldichloroethylene (p,p′-DDE; 2.321 ng g− 1), PBDEs (0.032.3 ng g− 1) and non-PBDE BFRs (0.031.5 ng g− 1). Non-significant associations of PFR concentrations in feathers with those in plasma (P ≥ 0.74), and their similarity to reported atmospheric PFR concentrations, may suggest atmospheric PFR deposition on feathers. Most OCs and PBDEs, as well as tris(chloroethyl) phosphate (TCEP), tris(phenyl) phosphate (TPHP) and tri-(2-butoxyethyl) phosphate (TBOEP) were associated to δ15N and/or δ13C (all P ≤ 0.02). Besides δ15N enrichment, δ34S was depleted in nestlings from fjords, inherently close to an urbanised centre. As such, both may have been a spatial proxy for anthropogenic disturbance, possible confounding their use as dietary proxy.
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