Document Detail


Baseline mercury and zinc concentrations in terrestrial and coastal organisms of Admiralty Bay, Antarctica.
MedLine Citation:
PMID:  16168539     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This paper provides the first quantitative information on mercury in soil, coastal sediment, and in characteristic organisms of terrestrial and shallow coastal marine ecosystems from Admiralty Bay (King George Island, Antarctica). As expected for a remote area, mercury content is low in abiotic components of the ecosystem, and probably similar to natural levels. Mercury also occurs in very low concentrations in the vegetation, invertebrates and fish. These low mercury levels may be due to sulphide formation in reducing sediments of this environment. Higher concentrations of mercury occurred in bird feathers and mammal hair, indicating biomagnification. This was not found for Zinc. These results may be useful as a reference background to detect future inputs of trace elements in this remote area of the earth. Terrestrial vegetation and bird feathers are suggested as target regional biomonitors.
Authors:
Isaac Rodrigues dos Santos; Emmanoel Vieira Silva-Filho; Carlos Schaefer; Silvia Maria Sella; Carlos A Silva; Vicente Gomes; Maria José de A C R Passos; Phan Van Ngan
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-09-15
Journal Detail:
Title:  Environmental pollution (Barking, Essex : 1987)     Volume:  140     ISSN:  0269-7491     ISO Abbreviation:  Environ. Pollut.     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-01-09     Completed Date:  2006-08-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8804476     Medline TA:  Environ Pollut     Country:  England    
Other Details:
Languages:  eng     Pagination:  304-11     Citation Subset:  IM    
Affiliation:
Departamento de Geoquímica, Universidade Federal Fluminense, 24020-007 Niterói, RJ, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Animals
Antarctic Regions
Biodiversity
Birds*
Ecosystem
Environmental Monitoring / methods
Environmental Pollutants / analysis*
Fishes*
Geologic Sediments
Invertebrates / chemistry*
Iron / analysis
Mercury / analysis*
Metals, Heavy / analysis
Plants / chemistry
Soil / analysis
Soil Pollutants / analysis
Trace Elements / analysis
Zinc / analysis*
Chemical
Reg. No./Substance:
0/Environmental Pollutants; 0/Metals, Heavy; 0/Soil; 0/Soil Pollutants; 0/Trace Elements; 7439-89-6/Iron; 7439-97-6/Mercury; 7440-66-6/Zinc

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


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