Increases in the mean and variability of thermal regimes result in differential phenotypic responses among genotypes during early ontogenetic stages of lake sturgeon (Acipenser fulvescens).
Identifieur interne : 000056 ( PubMed/Checkpoint ); précédent : 000055; suivant : 000057Increases in the mean and variability of thermal regimes result in differential phenotypic responses among genotypes during early ontogenetic stages of lake sturgeon (Acipenser fulvescens).
Auteurs : Kari J. Dammerman ; Juan P. Steibel ; Kim T. ScribnerSource :
- Evolutionary applications ; 2016.
Abstract
Climate change is affecting thermal conditions worldwide. Understanding organismal responses associated with predicted changes are essential for predicting population persistence. Few studies have examined the effects of both increased mean and variance in temperature on organismal traits, particularly during early life stages. Using lake sturgeon (Acipenser fulvescens) from Black Lake, MI, we tested whether phenotypic variation differed among families reared in two constant (10 and 18°C) and two fluctuating-temperature treatments (10-19°C) representing temperatures experienced in the river and a simulated anthropogenic disturbance. Body length, body area, and yolk-sac area were quantified at hatch. Family-by-treatment interactions explained up to 50% of the variance observed among families in offspring hatch traits. Families incubated in 18°C and the fluctuating anthropogenic treatment had 6-10 times higher variance in traits than those incubated at 10°C. Hatched larvae were placed in raceways with ambient river water. Emergence body length, emergence timing, and growth were quantified upon emergence. Families differed in time to emergence and growth with the greatest range observed in the 18°C treatment. Results demonstrate that differential responses among genotypes to changes in the mean and variability of thermal incubation regimes can affect traits at hatch as well as a subsequent ontogenetic stage.
DOI: 10.1111/eva.12409
PubMed: 27877204
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Dammerman</name><affiliation><nlm:affiliation>Department of Integrative BiologyMichigan State UniversityEast LansingMIUSA; U.S. Fish and Wildlife ServiceColumbia River Fish and Wildlife Conservation OfficeVancouverWAUSA.</nlm:affiliation><wicri:noCountry code="no comma">Department of Integrative BiologyMichigan State UniversityEast LansingMIUSA; U.S. Fish and Wildlife ServiceColumbia River Fish and Wildlife Conservation OfficeVancouverWAUSA.</wicri:noCountry></affiliation></author><author><name sortKey="Steibel, Juan P" sort="Steibel, Juan P" uniqKey="Steibel J" first="Juan P" last="Steibel">Juan P. Steibel</name><affiliation><nlm:affiliation>Department of Animal ScienceMichigan State UniversityEast LansingMIUSA; Department of Fisheries and WildlifeMichigan State UniversityEast LansingMIUSA.</nlm:affiliation><wicri:noCountry code="no comma">Department of Animal ScienceMichigan State UniversityEast LansingMIUSA; Department of Fisheries and WildlifeMichigan State UniversityEast LansingMIUSA.</wicri:noCountry></affiliation></author><author><name sortKey="Scribner, Kim T" sort="Scribner, Kim T" uniqKey="Scribner K" first="Kim T" last="Scribner">Kim T. Scribner</name><affiliation><nlm:affiliation>Department of Integrative BiologyMichigan State UniversityEast LansingMIUSA; Department of Fisheries and WildlifeMichigan State UniversityEast LansingMIUSA; Ecology, Evolutionary Biology, and Behavior ProgramMichigan State UniversityEast LansingMIUSA.</nlm:affiliation><wicri:noCountry code="subField">and Behavior ProgramMichigan State UniversityEast LansingMIUSA</wicri:noCountry></affiliation></author></analytic><series><title level="j">Evolutionary applications</title><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Climate change is affecting thermal conditions worldwide. Understanding organismal responses associated with predicted changes are essential for predicting population persistence. Few studies have examined the effects of both increased mean and variance in temperature on organismal traits, particularly during early life stages. Using lake sturgeon (Acipenser fulvescens) from Black Lake, MI, we tested whether phenotypic variation differed among families reared in two constant (10 and 18°C) and two fluctuating-temperature treatments (10-19°C) representing temperatures experienced in the river and a simulated anthropogenic disturbance. Body length, body area, and yolk-sac area were quantified at hatch. Family-by-treatment interactions explained up to 50% of the variance observed among families in offspring hatch traits. Families incubated in 18°C and the fluctuating anthropogenic treatment had 6-10 times higher variance in traits than those incubated at 10°C. Hatched larvae were placed in raceways with ambient river water. Emergence body length, emergence timing, and growth were quantified upon emergence. Families differed in time to emergence and growth with the greatest range observed in the 18°C treatment. Results demonstrate that differential responses among genotypes to changes in the mean and variability of thermal incubation regimes can affect traits at hatch as well as a subsequent ontogenetic stage.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">27877204</PMID><DateCreated><Year>2016</Year><Month>11</Month><Day>23</Day></DateCreated><DateRevised><Year>2016</Year><Month>11</Month><Day>24</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><JournalIssue CitedMedium="Print"><Volume>9</Volume><Issue>10</Issue><PubDate><Year>2016</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Evolutionary applications</Title><ISOAbbreviation>Evol Appl</ISOAbbreviation></Journal><ArticleTitle>Increases in the mean and variability of thermal regimes result in differential phenotypic responses among genotypes during early ontogenetic stages of lake sturgeon (Acipenser fulvescens).</ArticleTitle><Pagination><MedlinePgn>1258-1270</MedlinePgn></Pagination><Abstract><AbstractText NlmCategory="UNASSIGNED">Climate change is affecting thermal conditions worldwide. Understanding organismal responses associated with predicted changes are essential for predicting population persistence. Few studies have examined the effects of both increased mean and variance in temperature on organismal traits, particularly during early life stages. Using lake sturgeon (Acipenser fulvescens) from Black Lake, MI, we tested whether phenotypic variation differed among families reared in two constant (10 and 18°C) and two fluctuating-temperature treatments (10-19°C) representing temperatures experienced in the river and a simulated anthropogenic disturbance. Body length, body area, and yolk-sac area were quantified at hatch. Family-by-treatment interactions explained up to 50% of the variance observed among families in offspring hatch traits. Families incubated in 18°C and the fluctuating anthropogenic treatment had 6-10 times higher variance in traits than those incubated at 10°C. Hatched larvae were placed in raceways with ambient river water. Emergence body length, emergence timing, and growth were quantified upon emergence. Families differed in time to emergence and growth with the greatest range observed in the 18°C treatment. Results demonstrate that differential responses among genotypes to changes in the mean and variability of thermal incubation regimes can affect traits at hatch as well as a subsequent ontogenetic stage.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Dammerman</LastName><ForeName>Kari J</ForeName><Initials>KJ</Initials><AffiliationInfo><Affiliation>Department of Integrative BiologyMichigan State UniversityEast LansingMIUSA; U.S. Fish and Wildlife ServiceColumbia River Fish and Wildlife Conservation OfficeVancouverWAUSA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Steibel</LastName><ForeName>Juan P</ForeName><Initials>JP</Initials><AffiliationInfo><Affiliation>Department of Animal ScienceMichigan State UniversityEast LansingMIUSA; Department of Fisheries and WildlifeMichigan State UniversityEast LansingMIUSA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Scribner</LastName><ForeName>Kim T</ForeName><Initials>KT</Initials><AffiliationInfo><Affiliation>Department of Integrative BiologyMichigan State UniversityEast LansingMIUSA; Department of Fisheries and WildlifeMichigan State UniversityEast LansingMIUSA; Ecology, Evolutionary Biology, and Behavior ProgramMichigan State UniversityEast LansingMIUSA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>08</Month><Day>31</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Evol Appl</MedlineTA><NlmUniqueID>101461828</NlmUniqueID><ISSNLinking>1752-4571</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">ectotherms</Keyword><Keyword MajorTopicYN="N">environmental change</Keyword><Keyword MajorTopicYN="N">genotype‐by‐environment interaction</Keyword><Keyword MajorTopicYN="N">lake sturgeon</Keyword><Keyword MajorTopicYN="N">phenotypic variation</Keyword><Keyword MajorTopicYN="N">temperature</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>05</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>07</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>11</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>11</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>11</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27877204</ArticleId><ArticleId IdType="doi">10.1111/eva.12409</ArticleId><ArticleId IdType="pii">EVA12409</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list></list><tree><noCountry><name sortKey="Dammerman, Kari J" sort="Dammerman, Kari J" uniqKey="Dammerman K" first="Kari J" last="Dammerman">Kari J. Dammerman</name><name sortKey="Scribner, Kim T" sort="Scribner, Kim T" uniqKey="Scribner K" first="Kim T" last="Scribner">Kim T. Scribner</name><name sortKey="Steibel, Juan P" sort="Steibel, Juan P" uniqKey="Steibel J" first="Juan P" last="Steibel">Juan P. Steibel</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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