Developmental effects of bioaccumulated selenium in eggs and larvae of two salmonid species
Identifieur interne : 001044 ( Istex/Corpus ); précédent : 001043; suivant : 001045Developmental effects of bioaccumulated selenium in eggs and larvae of two salmonid species
Auteurs : Jodi Holm ; Vince Palace ; Paula Siwik ; George Sterling ; Robert Evans ; Christopher Baron ; Julieta Werner ; Kerry WautierSource :
- Environmental Toxicology and Chemistry [ 0730-7268 ] ; 2005-09.
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- KwdEn :
Abstract
Elevated concentrations of Se have been detected in cold, flowing water habitats near uranium and coal mines in Canada. Fish from these systems have concentrations of Se in their tissues that exceed toxic effect thresholds that have been established for warm‐water fishes. However, the applicability of toxic effect thresholds and guidelines to cold water, lotic habitats is a matter of contention in the literature since most cases of Se toxicosis have been documented in standing, warm‐water systems. To examine the possibility of impaired reproduction in wild rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) near coal mining activity in the northeastern slopes region of Alberta, Canada, spawn from both species were collected from exposure and reference sites. Gametes were fertilized in the laboratory, reared to the swim‐up stage, and examined for deformities. A significant relationship was observed for rainbow trout between the amount of Se in eggs and the incidence of developmental abnormalities, specifically craniofacial defects, skeletal deformities, and edema. These associations approximate exponential functions with probabilities that 15% of the population would be affected occurring between 8.8 and 10.5 μg Se per gram of wet egg weight, based on probit analysis. These relationships are similar to those described for centrarchids inhabiting a seleniferous warm‐water lake. No such relationships were established for brook trout.
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DOI: 10.1897/04-402R1.1
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ISTEX:705974C97D31CD6F67750FC6BAFB54F30AB2C351Le document en format XML
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Fish from these systems have concentrations of Se in their tissues that exceed toxic effect thresholds that have been established for warm‐water fishes. However, the applicability of toxic effect thresholds and guidelines to cold water, lotic habitats is a matter of contention in the literature since most cases of Se toxicosis have been documented in standing, warm‐water systems. To examine the possibility of impaired reproduction in wild rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) near coal mining activity in the northeastern slopes region of Alberta, Canada, spawn from both species were collected from exposure and reference sites. Gametes were fertilized in the laboratory, reared to the swim‐up stage, and examined for deformities. A significant relationship was observed for rainbow trout between the amount of Se in eggs and the incidence of developmental abnormalities, specifically craniofacial defects, skeletal deformities, and edema. These associations approximate exponential functions with probabilities that 15% of the population would be affected occurring between 8.8 and 10.5 μg Se per gram of wet egg weight, based on probit analysis. These relationships are similar to those described for centrarchids inhabiting a seleniferous warm‐water lake. 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xml:lang="en">Developmental effects of Se in two salmonid fishes</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Jodi</givenNames><familyName>Holm</familyName></personName></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af1 #af2" corresponding="yes"><personName><givenNames>Vince</givenNames><familyName>Palace</familyName></personName><contactDetails><email normalForm="palacev@dfo-mpo.gc.ca">palacev@dfo‐mpo.gc.ca</email></contactDetails></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af3"><personName><givenNames>Paula</givenNames><familyName>Siwik</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af3"><personName><givenNames>George</givenNames><familyName>Sterling</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Robert</givenNames><familyName>Evans</familyName></personName></creator><creator xml:id="au6" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Christopher</givenNames><familyName>Baron</familyName></personName></creator><creator xml:id="au7" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Julieta</givenNames><familyName>Werner</familyName></personName></creator><creator xml:id="au8" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Kerry</givenNames><familyName>Wautier</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="CA" type="organization"><unparsedAffiliation>University of Manitoba, Department of Zoology, Winnipeg, Manitoba R3T 2N6, Canada</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="CA" type="organization"><unparsedAffiliation>Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba R3T 2N6, Canada</unparsedAffiliation></affiliation><affiliation xml:id="af3" countryCode="CA" type="organization"><unparsedAffiliation>Alberta Sustainable Resource Development, Fisheries Management Branch, Edson, Alberta T6B 2 × 3, Canada</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">Rainbow trout</keyword><keyword xml:id="kwd2">Brook trout</keyword><keyword xml:id="kwd3">Selenium</keyword><keyword xml:id="kwd4">Toxicity threshold</keyword><keyword xml:id="kwd5">Teratogenesis</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Elevated concentrations of Se have been detected in cold, flowing water habitats near uranium and coal mines in Canada. Fish from these systems have concentrations of Se in their tissues that exceed toxic effect thresholds that have been established for warm‐water fishes. However, the applicability of toxic effect thresholds and guidelines to cold water, lotic habitats is a matter of contention in the literature since most cases of Se toxicosis have been documented in standing, warm‐water systems. To examine the possibility of impaired reproduction in wild rainbow trout (<i>Oncorhynchus mykiss</i>) and brook trout (<i>Salvelinus fontinalis</i>) near coal mining activity in the northeastern slopes region of Alberta, Canada, spawn from both species were collected from exposure and reference sites. Gametes were fertilized in the laboratory, reared to the swim‐up stage, and examined for deformities. A significant relationship was observed for rainbow trout between the amount of Se in eggs and the incidence of developmental abnormalities, specifically craniofacial defects, skeletal deformities, and edema. These associations approximate exponential functions with probabilities that 15% of the population would be affected occurring between 8.8 and 10.5 μg Se per gram of wet egg weight, based on probit analysis. These relationships are similar to those described for centrarchids inhabiting a seleniferous warm‐water lake. No such relationships were established for brook trout.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Developmental effects of bioaccumulated selenium in eggs and larvae of two salmonid species</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Developmental effects of Se in two salmonid fishes</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Developmental effects of bioaccumulated selenium in eggs and larvae of two salmonid species</title></titleInfo><name type="personal"><namePart type="given">Jodi</namePart><namePart type="family">Holm</namePart><affiliation>University of Manitoba, Department of Zoology, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Vince</namePart><namePart type="family">Palace</namePart><affiliation>University of Manitoba, Department of Zoology, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><affiliation>Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><affiliation>University of Manitoba, Department of Zoology, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Paula</namePart><namePart type="family">Siwik</namePart><affiliation>Alberta Sustainable Resource Development, Fisheries Management Branch, Edson, Alberta T6B 2 × 3, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">George</namePart><namePart type="family">Sterling</namePart><affiliation>Alberta Sustainable Resource Development, Fisheries Management Branch, Edson, Alberta T6B 2 × 3, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Robert</namePart><namePart type="family">Evans</namePart><affiliation>Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Christopher</namePart><namePart type="family">Baron</namePart><affiliation>Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Julieta</namePart><namePart type="family">Werner</namePart><affiliation>University of Manitoba, Department of Zoology, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Kerry</namePart><namePart type="family">Wautier</namePart><affiliation>Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba R3T 2N6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Wiley Periodicals, Inc.</publisher><place><placeTerm type="text">Hoboken</placeTerm></place><dateIssued encoding="w3cdtf">2005-09</dateIssued><dateCaptured encoding="w3cdtf">2004-08-11</dateCaptured><dateValid encoding="w3cdtf">2005-03-18</dateValid><copyrightDate encoding="w3cdtf">2005</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">7</extent><extent unit="references">29</extent></physicalDescription><abstract lang="en">Elevated concentrations of Se have been detected in cold, flowing water habitats near uranium and coal mines in Canada. Fish from these systems have concentrations of Se in their tissues that exceed toxic effect thresholds that have been established for warm‐water fishes. However, the applicability of toxic effect thresholds and guidelines to cold water, lotic habitats is a matter of contention in the literature since most cases of Se toxicosis have been documented in standing, warm‐water systems. To examine the possibility of impaired reproduction in wild rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) near coal mining activity in the northeastern slopes region of Alberta, Canada, spawn from both species were collected from exposure and reference sites. Gametes were fertilized in the laboratory, reared to the swim‐up stage, and examined for deformities. A significant relationship was observed for rainbow trout between the amount of Se in eggs and the incidence of developmental abnormalities, specifically craniofacial defects, skeletal deformities, and edema. These associations approximate exponential functions with probabilities that 15% of the population would be affected occurring between 8.8 and 10.5 μg Se per gram of wet egg weight, based on probit analysis. These relationships are similar to those described for centrarchids inhabiting a seleniferous warm‐water lake. No such relationships were established for brook trout.</abstract><subject lang="en"><genre>keywords</genre><topic>Rainbow trout</topic><topic>Brook trout</topic><topic>Selenium</topic><topic>Toxicity threshold</topic><topic>Teratogenesis</topic></subject><relatedItem type="host"><titleInfo><title>Environmental Toxicology and Chemistry</title><subTitle>An International Journal</subTitle></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>2005</date><detail type="volume"><caption>vol.</caption><number>24</number></detail><detail type="issue"><caption>no.</caption><number>9</number></detail><extent unit="pages"><start>2373</start><end>2381</end><total>9</total></extent></part></relatedItem><identifier type="istex">705974C97D31CD6F67750FC6BAFB54F30AB2C351</identifier><identifier type="DOI">10.1897/04-402R1.1</identifier><identifier type="ArticleID">ETC5620240933</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2005 SETAC</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Wiley Periodicals, Inc.</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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