Publication: Organochlorine residues in booted eagle (Hieraaetus pennatus) and goshawk (Accipiter gentilis) eggs from southeastern Spain
Authors
Martínez-López, Emma ; María-Mojica, Pedro ; Martínez, José E. ; Calvo, José F. ; Wright, Julian ; Shore, Richard F. ; Romero García, Diego ; García Fernández, Antonio Juan
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Publisher
Blackwell Publishing Ltd
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DOI
http://doi.org/10.1897/07-057R.1
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info:eu-repo/semantics/article
Description
©2007 SETAC. This document is the Published version of a Published Work that appeared in final form in Environmental Toxicology and Chemistry. To access the final edited and published work see http://doi.org/10.1897/07-057R.1
Abstract
Most organochlorine (OC) use has been banned in Spain, but these compounds are persistent and may still adversely
affect predatory birds. Data generally are lacking, however. Residues of hexachlorobenzene, -hexachlorocyclohexane, lindane,
hexachloro-octahydro-epoxy-dimethanonaphthalene, DDT, dichlorodiphenyldichloroethane, dichlorodiphenyldichloroethylene
(DDE), and polychlorinated biphenyls (PCBs) were measured in 22 failed eggs of booted eagles (Hieraaetus pennatus) and goshawks
(Accipiter gentilis) from southeastern Spain; both species are declining in this region. Hexachloro-octahydro-epoxy-dimethanonaphthalene,
DDE, and sum PCB congener concentrations were significantly higher in booted eagle than in goshawk eggs, and an
inverse relationship was found between shell thickness and DDE concentrations in booted eagles. Organochlorides may have been
associated with the failure of some booted eagle eggs, but concentrations in booted eagle and goshawk eggs decreased over the
period during which populations have dwindled. Thus, although OCs may be a contributory factor, they are unlikely to be the
primary cause of the recent population declines in southeastern Spain.
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Citation
Environmental Toxicology and Chemistry, Vol. 26, N. 11, 2007, 2373–2378
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