Document Detail


Distribution of heavy metals in marine bivalves, fish and coastal sediments in the Gulf and Gulf of Oman.
MedLine Citation:
PMID:  15325209     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An assessment of marine contamination due to heavy metals was made in the Gulf and Gulf of Oman based on marine biota (fish and various bivalves) and coastal sediment collected in Bahrain, Oman, Qatar, and the United Arab Emirates (UAE) during 2000-2001. Sediment metal loadings were generally not remarkable, although hot spots were noted in Bahrain (Cu, Hg, Pb, Zn) and on the east coast of the UAE (As, Co, Cr, Ni). Concentrations of As and Hg were typically low in sediments and the total Hg levels in top predator fish commonly consumed in the region were < 0.5 microg g(-1) and posed no threat to public health. Very high Cd concentrations (up to 195 microg g(-1)) in the liver of some fish from southern Oman may result from food-chain bioaccumulation of elevated Cd levels brought into the productive surface waters by upwelling in the region. Very high As concentrations (up to 156 microg g(-1)) were measured in certain bivalve species from the region. Although not certain, the As is probably derived from natural origins rather than anthropogenic contamination.
Authors:
Stephen de Mora; Scott W Fowler; Eric Wyse; Sabine Azemard
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Marine pollution bulletin     Volume:  49     ISSN:  0025-326X     ISO Abbreviation:  Mar. Pollut. Bull.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-08-24     Completed Date:  2004-12-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0260231     Medline TA:  Mar Pollut Bull     Country:  England    
Other Details:
Languages:  eng     Pagination:  410-24     Citation Subset:  IM    
Copyright Information:
Copyright 2004 Elsevier Ltd.
Affiliation:
Marine Environment Laboratory, International Atomic Energy Agency, 4 Quai Antoine 1(er), B.P. 800, MC 98012, Principality of Monaco, Monaco 98012, Monaco. s.de_mora@iaea.org
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MeSH Terms
Descriptor/Qualifier:
Animals
Environmental Monitoring
Fishes
Geologic Sediments / chemistry
Metals, Heavy / analysis*,  pharmacokinetics
Mollusca*
Oman
Water Pollutants / analysis*,  pharmacokinetics
Chemical
Reg. No./Substance:
0/Metals, Heavy; 0/Water Pollutants

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


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