Title
A comparison of non-destructive sampling strategies to assess the exposure of white-tailed eagle nestlings (**Haliaeetus albicilla**) to persistent organic pollutants A comparison of non-destructive sampling strategies to assess the exposure of white-tailed eagle nestlings (**Haliaeetus albicilla**) to persistent organic pollutants
Author
Faculty/Department
Faculty of Sciences. Biology
Faculty of Sciences. Bioscience Engineering
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Publication type
article
Publication
Amsterdam ,
Subject
Biology
Source (journal)
The science of the total environment. - Amsterdam
Volume/pages
410(2011) :1 , p. 258-265
ISSN
0048-9697
ISI
000298203600033
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
To circumvent difficulties associated with monitoring adult predatory birds, we investigated the feasibility of different non-destructive strategies for nestling white-tailed eagles (Haliaeetus albicilla). We were able to quantify polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) and organochlorinated pesticides (OCPs) in body feathers (16.92, 3.37 and 7.81 ng g− 1 dw, respectively), blood plasma (8.37, 0.32 and 5.22 ng mL− 1 ww, respectively), and preen oil (1157.95, 30.92 and 440.74 ng g− 1 ww, respectively) of all nestlings (N = 14). Strong significant correlations between blood plasma and preen oil concentrations (0.565 ≤ r ≤ 0.801; P < 0.05) indicate that preen oil levels closely reflect the internal state of contamination. We found fewer significant correlations between body feather and blood plasma concentrations, which were almost exclusively between PCB concentrations (0.554 ≤ r ≤ 0.737; P < 0.05). These results differ from a previous study on younger nestlings, and may indicate that the nestlings studied here, ready to fledge the nest, were possibly undergoing certain physiological changes that may have confounded the use of body feathers as biomonitor matrix. Finally, we provide an integrated discussion on the use of body feathers and preen oil as non-destructive biomonitor strategies for nestling predatory birds.
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