Document Detail


Mercury concentrations in seabirds from colonies in the northeast Atlantic.
MedLine Citation:
PMID:  1456785     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Total mercury concentrations were determined in samples of body feathers from a range of common seabird species breeding at Låtrabjarg, northwest Iceland, St. Kilda, Foula and the Firth of Forth, Scotland and Bleiksøy, Syltefjord, and Hornøy, Norway. Seabirds from Låtrabjarg generally exhibited the highest mercury concentrations, with a trend of decreasing mercury concentrations in a southwest to northeast direction in seabirds at the other colonies; seabirds at Hornøy were generally found to have the lowest mercury concentrations. Some species at the Firth of Forth exhibited relatively elevated mercury concentrations compared to those at Foula and Norwegian sites. Inter-colony differences in diet were thought to be relatively small for most species and unlikely to account for the range of mercury concentrations measured in the seabirds (Låtrabjarg: lowest arithmetic mean mercury concentration in common guillemots Uria aalge, 1.6 micrograms/g, s.d. = 0.6, n = 45; highest arithmetic mean mercury concentration in kittiwakes Rissa tridactyla, 5.5 micrograms/g, s.d. = 1.7, n = 36). The oceanic transport of mercury, together with the effects of anthropogenic inputs of mercury to the northeast Atlantic, and the removal of mercury from the water column via biological activity are discussed as influential factors determining the observed patterns of mercury concentration in seabirds.
Authors:
D R Thompson; R W Furness; R T Barrett
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of environmental contamination and toxicology     Volume:  23     ISSN:  0090-4341     ISO Abbreviation:  Arch. Environ. Contam. Toxicol.     Publication Date:  1992 Oct 
Date Detail:
Created Date:  1993-01-06     Completed Date:  1993-01-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0357245     Medline TA:  Arch Environ Contam Toxicol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  383-9     Citation Subset:  IM    
Affiliation:
Department of Zoology, University of Glasgow, Scotland, United Kingdom.
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MeSH Terms
Descriptor/Qualifier:
Animals
Atlantic Ocean
Birds*
Feathers / chemistry*
Iceland
Mercury / analysis*
Norway
Scotland
Chemical
Reg. No./Substance:
7439-97-6/Mercury

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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