Landscape‐level patterns of mercury contamination of fish in North Texas, USA
Identifieur interne : 000274 ( Istex/Corpus ); précédent : 000273; suivant : 000275Landscape‐level patterns of mercury contamination of fish in North Texas, USA
Auteurs : Ray W. Drenner ; Matthew M. Chumchal ; Stephen P. Wente ; Mandy Mcguire ; S. Matthew DrennerSource :
- Environmental Toxicology and Chemistry [ 0730-7268 ] ; 2011-09.
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Abstract
Mercury (Hg) is a toxic metal that is found in aquatic food webs and is hazardous to humans. An emerging conceptual model predicts that the areas of the landscape that have the potential to contain food webs with elevated concentrations of Hg are those that receive high amounts of Hg and sulfate deposition and have high coverage of forests and wetlands and low coverage of agriculture. The objective of the present study was to test this conceptual model using concentrations of Hg in largemouth bass (Micropterus salmoides) from 145 reservoirs in four ecoregions of North Texas. The highest level of Hg contamination in fish was in the South Central Plains, the ecoregion that receives the highest levels of Hg and sulfate deposition and contains extensive forest and wetland habitat and little agriculture. The present study has important implications for other areas of the United States, because the South Central Plains extend into parts of Oklahoma, Louisiana, and Arkansas, covering a total area of 152,132 km2 of the southern United States. Environ. Toxicol. Chem. 2011;30:2041–2045. © 2011 SETAC
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DOI: 10.1002/etc.589
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Matthew</givenNames><familyName>Drenner</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="US" type="organization"><unparsedAffiliation>Biology Department, Texas Christian University, Fort Worth, Texas, USA</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="US" type="organization"><unparsedAffiliation>Lake Hart Research, Reston, Virginia, USA</unparsedAffiliation></affiliation><affiliation xml:id="af3" countryCode="US" type="organization"><unparsedAffiliation>Environmental Science Program, Texas Christian University, Fort Worth, Texas, USA</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">Mercury</keyword><keyword xml:id="kwd2">Atmospheric deposition</keyword><keyword xml:id="kwd3">Ecoregion</keyword><keyword xml:id="kwd4">Largemouth bass</keyword><keyword xml:id="kwd5">Land cover</keyword></keywordGroup><supportingInformation><p> All Supplemental Data may be found in the online version of this article. </p><supportingInfoItem><mediaResource alt="supporting information" href="urn-x:wiley:07307268:media:etc589:etc_589_sm_SupplData"></mediaResource><caption>Supplemental Data</caption></supportingInfoItem><supportingInfoItem><mediaResource alt="supporting information" href="urn-x:wiley:07307268:media:etc589:etc_589_sm_SupplTabS1"></mediaResource><caption>Supplemental Table S1</caption></supportingInfoItem></supportingInformation><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Mercury (Hg) is a toxic metal that is found in aquatic food webs and is hazardous to humans. An emerging conceptual model predicts that the areas of the landscape that have the potential to contain food webs with elevated concentrations of Hg are those that receive high amounts of Hg and sulfate deposition and have high coverage of forests and wetlands and low coverage of agriculture. The objective of the present study was to test this conceptual model using concentrations of Hg in largemouth bass (<i>Micropterus salmoides</i>) from 145 reservoirs in four ecoregions of North Texas. The highest level of Hg contamination in fish was in the South Central Plains, the ecoregion that receives the highest levels of Hg and sulfate deposition and contains extensive forest and wetland habitat and little agriculture. The present study has important implications for other areas of the United States, because the South Central Plains extend into parts of Oklahoma, Louisiana, and Arkansas, covering a total area of 152,132 km<sup>2</sup> of the southern United States. Environ. Toxicol. Chem. 2011;30:2041–2045. © 2011 SETAC</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Landscape‐level patterns of mercury contamination of fish in North Texas, USA</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Landscape patterns of mercury</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Landscape‐level patterns of mercury contamination of fish in North Texas, USA</title></titleInfo><name type="personal"><namePart type="given">Ray W.</namePart><namePart type="family">Drenner</namePart><affiliation>Biology Department, Texas Christian University, Fort Worth, Texas, USA</affiliation><affiliation>Biology Department, Texas Christian University, Fort Worth, Texas, USA.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Matthew M.</namePart><namePart type="family">Chumchal</namePart><affiliation>Biology Department, Texas Christian University, Fort Worth, Texas, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Stephen P.</namePart><namePart type="family">Wente</namePart><affiliation>Lake Hart Research, Reston, Virginia, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Mandy</namePart><namePart type="family">McGuire</namePart><affiliation>Biology Department, Texas Christian University, Fort Worth, Texas, USA</affiliation><affiliation>Environmental Science Program, Texas Christian University, Fort Worth, Texas, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S. Matthew</namePart><namePart type="family">Drenner</namePart><affiliation>Biology Department, Texas Christian University, Fort Worth, Texas, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>John Wiley & Sons, Inc.</publisher><place><placeTerm type="text">Hoboken, USA</placeTerm></place><dateIssued encoding="w3cdtf">2011-09</dateIssued><dateCaptured encoding="w3cdtf">2011-02-10</dateCaptured><dateValid encoding="w3cdtf">2011-04-27</dateValid><copyrightDate encoding="w3cdtf">2011</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">4</extent><extent unit="references">32</extent><extent unit="words">3513</extent></physicalDescription><abstract lang="en">Mercury (Hg) is a toxic metal that is found in aquatic food webs and is hazardous to humans. An emerging conceptual model predicts that the areas of the landscape that have the potential to contain food webs with elevated concentrations of Hg are those that receive high amounts of Hg and sulfate deposition and have high coverage of forests and wetlands and low coverage of agriculture. The objective of the present study was to test this conceptual model using concentrations of Hg in largemouth bass (Micropterus salmoides) from 145 reservoirs in four ecoregions of North Texas. The highest level of Hg contamination in fish was in the South Central Plains, the ecoregion that receives the highest levels of Hg and sulfate deposition and contains extensive forest and wetland habitat and little agriculture. The present study has important implications for other areas of the United States, because the South Central Plains extend into parts of Oklahoma, Louisiana, and Arkansas, covering a total area of 152,132 km2 of the southern United States. Environ. Toxicol. Chem. 2011;30:2041–2045. © 2011 SETAC</abstract><subject lang="en"><genre>keywords</genre><topic>Mercury</topic><topic>Atmospheric deposition</topic><topic>Ecoregion</topic><topic>Largemouth bass</topic><topic>Land cover</topic></subject><relatedItem type="host"><titleInfo><title>Environmental Toxicology and Chemistry</title></titleInfo><titleInfo type="abbreviated"><title>Environmental Toxicology and Chemistry</title></titleInfo><genre type="journal">journal</genre><note type="content"> All Supplemental Data may be found in the online version of this article.Supporting Info Item: Supplemental Data - Supplemental Table S1 - </note><subject><genre>article-category</genre><topic>Environmental Toxicology</topic></subject><identifier type="ISSN">0730-7268</identifier><identifier type="eISSN">1552-8618</identifier><identifier type="DOI">10.1002/(ISSN)1552-8618</identifier><identifier type="PublisherID">ETC</identifier><part><date>2011</date><detail type="volume"><caption>vol.</caption><number>30</number></detail><detail type="issue"><caption>no.</caption><number>9</number></detail><extent unit="pages"><start>2041</start><end>2045</end><total>5</total></extent></part></relatedItem><identifier type="istex">2123CF33265DDBDD5E019D418155B6BEDEB41C76</identifier><identifier type="DOI">10.1002/etc.589</identifier><identifier type="ArticleID">ETC589</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2011 SETAC</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>John Wiley & Sons, Inc.</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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