Effects of subchronic exposure of early life stages of white sturgeon (Acipenser transmontanus) to copper, cadmium, and zinc
Identifieur interne : 001351 ( Istex/Corpus ); précédent : 001350; suivant : 001352Effects of subchronic exposure of early life stages of white sturgeon (Acipenser transmontanus) to copper, cadmium, and zinc
Auteurs : David W. Vardy ; Amber R. Tompsett ; Jacinda L. Sigurdson ; Jon A. Doering ; Xiaowei Zhang ; John P. Giesy ; Markus HeckerSource :
- Environmental Toxicology and Chemistry [ 0730-7268 ] ; 2011-11.
English descriptors
Abstract
Populations of sturgeon (Acipenseridae) are declining in many places in the world because of several potential factors, including overharvesting, habitat alteration, and pollution. In North America, populations of the white sturgeon (Acipenser transmontanus) have been experiencing poor annual recruitment in major river systems for more than three decades. Metal pollution has been hypothesized as a potential contributing factor to the poor recruitment in some of the water bodies. In general, little is known about the toxicity of metals such as Cu, Cd, and Zn to white sturgeon and their potential influence on survival of embryos and juveniles. The present study was conducted to establish baseline toxicity data for the subchronic exposure of early life stages of white sturgeon to Cu, Cd, and Zn that can be used in metal‐related risk assessments. Embryos, larvae, and fry were exposed to increasing concentrations of dissolved Cu, Cd, or Zn for 66 d using laboratory‐based flow‐through exposure systems. Hatching success was greater than 79% for all controls, and no significant differences were observed among treatment groups or between treatments and controls. Chronic lethal concentrations at which 20% mortality occurred (LC20s) for Cd (1.5 µg/L), Cu (5.5 µg/L), and Zn (112 µg/L) obtained for white sturgeon in the present study were comparable to those of sensitive salmonid species. Based on LC20 values for 19 or 58 d posthatch white sturgeon, the United States national ambient water quality criteria and the Canadian water quality guidelines for the protection of aquatic life that have been established for Cd, Cu, and Zn protect white sturgeon early life stages. Environ. Toxicol. Chem. 2011;30:2497–2505. © 2011 SETAC
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DOI: 10.1002/etc.638
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ISTEX:58CE30769A08D131197126B895D1096C7204AEB2Le document en format XML
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In North America, populations of the white sturgeon (Acipenser transmontanus) have been experiencing poor annual recruitment in major river systems for more than three decades. Metal pollution has been hypothesized as a potential contributing factor to the poor recruitment in some of the water bodies. In general, little is known about the toxicity of metals such as Cu, Cd, and Zn to white sturgeon and their potential influence on survival of embryos and juveniles. The present study was conducted to establish baseline toxicity data for the subchronic exposure of early life stages of white sturgeon to Cu, Cd, and Zn that can be used in metal‐related risk assessments. Embryos, larvae, and fry were exposed to increasing concentrations of dissolved Cu, Cd, or Zn for 66 d using laboratory‐based flow‐through exposure systems. Hatching success was greater than 79% for all controls, and no significant differences were observed among treatment groups or between treatments and controls. Chronic lethal concentrations at which 20% mortality occurred (LC20s) for Cd (1.5 µg/L), Cu (5.5 µg/L), and Zn (112 µg/L) obtained for white sturgeon in the present study were comparable to those of sensitive salmonid species. Based on LC20 values for 19 or 58 d posthatch white sturgeon, the United States national ambient water quality criteria and the Canadian water quality guidelines for the protection of aquatic life that have been established for Cd, Cu, and Zn protect white sturgeon early life stages. Environ. Toxicol. 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type="main" xml:lang="en">Effects of subchronic exposure of early life stages of white sturgeon (<i>Acipenser transmontanus</i>) to copper, cadmium, and zinc</title><title type="short" xml:lang="en">Toxicity of Cu, Cd, and Zn to white sturgeon</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1" corresponding="yes"><personName><givenNames>David W.</givenNames><familyName>Vardy</familyName></personName><contactDetails><email>d.vardy@usask.ca</email></contactDetails></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Amber R.</givenNames><familyName>Tompsett</familyName></personName></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Jacinda L.</givenNames><familyName>Sigurdson</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Jon A.</givenNames><familyName>Doering</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Xiaowei</givenNames><familyName>Zhang</familyName></personName></creator><creator xml:id="au6" creatorRole="author" affiliationRef="#af1 #af2 #af3 #af4"><personName><givenNames>John P.</givenNames><familyName>Giesy</familyName></personName></creator><creator xml:id="au7" creatorRole="author" affiliationRef="#af1 #af5"><personName><givenNames>Markus</givenNames><familyName>Hecker</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="CA" type="organization"><unparsedAffiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="US" type="organization"><unparsedAffiliation>Michigan State University, East Lansing, Michigan, USA</unparsedAffiliation></affiliation><affiliation xml:id="af3" countryCode="CN" type="organization"><unparsedAffiliation>City University of Hong Kong, Kowloon, Hong Kong, China</unparsedAffiliation></affiliation><affiliation xml:id="af4" countryCode="SA" type="organization"><unparsedAffiliation>King Saud University, Riyadh, Saudi Arabia</unparsedAffiliation></affiliation><affiliation xml:id="af5" countryCode="CA" type="organization"><unparsedAffiliation>Cardno ENTRIX, Saskatoon, Saskatchewan, Canada</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">Sturgeon</keyword><keyword xml:id="kwd2">Early life stages</keyword><keyword xml:id="kwd3">Metal toxicity</keyword><keyword xml:id="kwd4">Water quality criteria</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Populations of sturgeon (Acipenseridae) are declining in many places in the world because of several potential factors, including overharvesting, habitat alteration, and pollution. In North America, populations of the white sturgeon (<i>Acipenser transmontanus</i>) have been experiencing poor annual recruitment in major river systems for more than three decades. Metal pollution has been hypothesized as a potential contributing factor to the poor recruitment in some of the water bodies. In general, little is known about the toxicity of metals such as Cu, Cd, and Zn to white sturgeon and their potential influence on survival of embryos and juveniles. The present study was conducted to establish baseline toxicity data for the subchronic exposure of early life stages of white sturgeon to Cu, Cd, and Zn that can be used in metal‐related risk assessments. Embryos, larvae, and fry were exposed to increasing concentrations of dissolved Cu, Cd, or Zn for 66 d using laboratory‐based flow‐through exposure systems. Hatching success was greater than 79% for all controls, and no significant differences were observed among treatment groups or between treatments and controls. Chronic lethal concentrations at which 20% mortality occurred (LC20s) for Cd (1.5 µg/L), Cu (5.5 µg/L), and Zn (112 µg/L) obtained for white sturgeon in the present study were comparable to those of sensitive salmonid species. Based on LC20 values for 19 or 58 d posthatch white sturgeon, the United States national ambient water quality criteria and the Canadian water quality guidelines for the protection of aquatic life that have been established for Cd, Cu, and Zn protect white sturgeon early life stages. Environ. Toxicol. Chem. 2011;30:2497–2505. © 2011 SETAC</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Effects of subchronic exposure of early life stages of white sturgeon (Acipenser transmontanus) to copper, cadmium, and zinc</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Toxicity of Cu, Cd, and Zn to white sturgeon</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Effects of subchronic exposure of early life stages of white sturgeon (Acipenser transmontanus) to copper, cadmium, and zinc</title></titleInfo><name type="personal"><namePart type="given">David W.</namePart><namePart type="family">Vardy</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Amber R.</namePart><namePart type="family">Tompsett</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jacinda L.</namePart><namePart type="family">Sigurdson</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jon A.</namePart><namePart type="family">Doering</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Xiaowei</namePart><namePart type="family">Zhang</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">John P.</namePart><namePart type="family">Giesy</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><affiliation>Michigan State University, East Lansing, Michigan, USA</affiliation><affiliation>City University of Hong Kong, Kowloon, Hong Kong, China</affiliation><affiliation>King Saud University, Riyadh, Saudi Arabia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Markus</namePart><namePart type="family">Hecker</namePart><affiliation>University of Saskatchewan, Saskatoon, Saskatchewan, Canada</affiliation><affiliation>Cardno ENTRIX, Saskatoon, Saskatchewan, Canada</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">2011-11</dateIssued><dateCaptured encoding="w3cdtf">2010-11-02</dateCaptured><dateValid encoding="w3cdtf">2011-07-11</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">3</extent><extent unit="tables">4</extent><extent unit="references">39</extent><extent unit="words">8166</extent></physicalDescription><abstract lang="en">Populations of sturgeon (Acipenseridae) are declining in many places in the world because of several potential factors, including overharvesting, habitat alteration, and pollution. In North America, populations of the white sturgeon (Acipenser transmontanus) have been experiencing poor annual recruitment in major river systems for more than three decades. Metal pollution has been hypothesized as a potential contributing factor to the poor recruitment in some of the water bodies. In general, little is known about the toxicity of metals such as Cu, Cd, and Zn to white sturgeon and their potential influence on survival of embryos and juveniles. The present study was conducted to establish baseline toxicity data for the subchronic exposure of early life stages of white sturgeon to Cu, Cd, and Zn that can be used in metal‐related risk assessments. Embryos, larvae, and fry were exposed to increasing concentrations of dissolved Cu, Cd, or Zn for 66 d using laboratory‐based flow‐through exposure systems. Hatching success was greater than 79% for all controls, and no significant differences were observed among treatment groups or between treatments and controls. Chronic lethal concentrations at which 20% mortality occurred (LC20s) for Cd (1.5 µg/L), Cu (5.5 µg/L), and Zn (112 µg/L) obtained for white sturgeon in the present study were comparable to those of sensitive salmonid species. Based on LC20 values for 19 or 58 d posthatch white sturgeon, the United States national ambient water quality criteria and the Canadian water quality guidelines for the protection of aquatic life that have been established for Cd, Cu, and Zn protect white sturgeon early life stages. Environ. Toxicol. Chem. 2011;30:2497–2505. © 2011 SETAC</abstract><subject lang="en"><genre>keywords</genre><topic>Sturgeon</topic><topic>Early life stages</topic><topic>Metal toxicity</topic><topic>Water quality criteria</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><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>11</number></detail><extent unit="pages"><start>2497</start><end>2505</end><total>9</total></extent></part></relatedItem><identifier type="istex">58CE30769A08D131197126B895D1096C7204AEB2</identifier><identifier type="DOI">10.1002/etc.638</identifier><identifier type="ArticleID">ETC638</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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