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Título

Decreasing but still high levels of halogenated flame retardants in wetland birds in central Spain

AutorEljarrat, Ethel CSIC ORCID ; Aznar-Alemany, Òscar CSIC; Sala, Berta CSIC ORCID; Frías, Óscar; Blanco, Guillermo CSIC ORCID
Palabras claveBird egg
Dechloranes
Ecological hazard
Herons
PBDEs
Time trend
Fecha de publicaciónago-2019
EditorElsevier
CitaciónChemosphere 228: 83-92 (2019)
ResumenThe occurrence of classical and emerging halogenated flame retardants in bird samples collected between 2010–17 from the Castrejón reservoir (central Spain)was studied. Different wetland bird samples were analysed, including unhatched bird eggs and liver of dead nestlings. Polybrominated diphenylethers (PBDEs)were detected in all the samples at high concentration values, with levels up to 5167 ng/g lw. Dechloranes were found in 78% of analysed samples, but at lower concentration levels, between not detected (nd)and 2153 ng/g lw. The time trend evaluation over the sampling period showed an approximately 50% decline in mean concentrations of PBDEs. However, the most recent data for PBDEs (2016–17)still indicate that, in some cases, and based on reported LOECs, wetland birds were exposed to PBDE concentrations that are associated with possible ecological hazards. © 2019 Elsevier Ltd
Versión del editorhttps://doi.org/10.1016/j.chemosphere.2019.04.051
URIhttp://hdl.handle.net/10261/185477
DOI10.1016/j.chemosphere.2019.04.051
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