Key factors affecting liver PBDE concentrations in sparrowhawks (Accipiter nisus)

Crosse, John D.; Shore, Richard F.; Jones, Kevin C.; Pereira, M. Glória. 2013 Key factors affecting liver PBDE concentrations in sparrowhawks (Accipiter nisus). Environmental Pollution, 177. 171-176.

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High PBDE concentrations have been detected in the eggs of the sexually dimorphic Eurasian sparrowhawk (Accipiter nisus) but little is known about contamination levels in adult birds and how this may vary with age and sex. We characterised liver PBDE concentrations in 59 sparrowhawks that had died in central Britain between 1998 and 2009 and determined how concentrations varied with sex, age, body condition and breeding status. Five BDE congeners (99>153>47>100>154) predominated and ΣPBDE concentrations were 10-15 fold and 2-3 fold higher in starved than non-starved adult and juvenile sparrowhawks, respectively. This was likely due to a combination of remobilisation of residues from other tissues and liver wastage. Liver ΣPBDE concentrations did not vary with sex but were greater in adults than juveniles, suggestive of accumulation with age. Overall, liver ΣPBDE concentrations ranged from 43.4 to 68,040 ng/g lipid weight, amongst the highest concentrations reported in birds anywhere.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: CEH Topics & Objectives 2009 - 2012 > Biogeochemistry > BGC Topic 1 - Monitoring and Interpretation of Biogeochemical and Climate Changes > BGC - 1.1 - Monitor concentrations, fluxes, physico-chemical forms of current and emerging pollutants ...
UKCEH and CEH Sections/Science Areas: Shore
ISSN: 0269-7491
Additional Keywords: polybrominated diphenyl ethers, sparrowhawk, body condition, penta-BDE, starvation, bioaccumulation, age class
NORA Subject Terms: Ecology and Environment
Date made live: 21 Mar 2013 11:13 +0 (UTC)

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