Genetic components to belowground carbon fluxes in a riparian forest ecosystem: a common garden approach.
Identifieur interne : 002A69 ( Main/Exploration ); précédent : 002A68; suivant : 002A70Genetic components to belowground carbon fluxes in a riparian forest ecosystem: a common garden approach.
Auteurs : Nathan R. Lojewski [États-Unis] ; Dylan G. Fischer ; Joseph K. Bailey ; Jennifer A. Schweitzer ; Thomas G. Whitham ; Stephen C. HartSource :
- The New phytologist [ 1469-8137 ] ; 2012.
Descripteurs français
- KwdFr :
- Arbres (composition chimique), Arbres (génétique), Arbres (physiologie), Carbone (composition chimique), Chimère (génétique), Croisements génétiques (MeSH), Cycle du carbone (MeSH), Dioxyde de carbone (composition chimique), Génotype (MeSH), Populus (composition chimique), Populus (génétique), Populus (physiologie), Sol (composition chimique), Variation génétique (MeSH), Écosystème (MeSH).
- MESH :
- composition chimique : Arbres, Carbone, Dioxyde de carbone, Populus, Sol.
- génétique : Arbres, Chimère, Populus.
- physiologie : Arbres, Populus.
- Croisements génétiques, Cycle du carbone, Génotype, Variation génétique, Écosystème.
English descriptors
- KwdEn :
- Carbon (chemistry), Carbon Cycle (MeSH), Carbon Dioxide (chemistry), Chimera (genetics), Crosses, Genetic (MeSH), Ecosystem (MeSH), Genetic Variation (MeSH), Genotype (MeSH), Populus (chemistry), Populus (genetics), Populus (physiology), Soil (chemistry), Trees (chemistry), Trees (genetics), Trees (physiology).
- MESH :
- chemical , chemistry : Carbon, Carbon Dioxide, Soil.
- chemistry : Populus, Trees.
- genetics : Chimera, Populus, Trees.
- physiology : Populus, Trees.
- Carbon Cycle, Crosses, Genetic, Ecosystem, Genetic Variation, Genotype.
Abstract
Soil carbon dioxide (CO(2)) efflux is a major component of terrestrial carbon (C) cycles; yet, the demonstration of covariation between overstory tree genetic-based traits and soil C flux remains a major frontier in understanding biological controls over soil C. Here, we used a common garden with two native tree species, Populus fremontii and P. angustifolia, and their naturally occurring hybrids to test the predictability of belowground C fluxes on the basis of taxonomic identity and genetic marker composition of replicated clones of individual genotypes. Three patterns emerged: soil CO(2) efflux and ratios of belowground flux to aboveground productivity differ by as much as 50-150% as a result of differences in clone identity and cross type; on the basis of Mantel tests of molecular marker matrices, we found that c. 30% of this variation was genetically based, in which genetically similar trees support more similar soil CO(2) efflux under their canopies than do genetically dissimilar trees; and the patterns detected in an experimental garden match observations in the wild, and seem to be unrelated to measured abiotic factors. Our findings suggest that the genetic makeup of the plants growing on soil has a significant influence on the release of C from soils to the atmosphere.
DOI: 10.1111/j.1469-8137.2012.04185.x
PubMed: 22642377
Affiliations:
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Bailey</name></author><author><name sortKey="Schweitzer, Jennifer A" sort="Schweitzer, Jennifer A" uniqKey="Schweitzer J" first="Jennifer A" last="Schweitzer">Jennifer A. Schweitzer</name></author><author><name sortKey="Whitham, Thomas G" sort="Whitham, Thomas G" uniqKey="Whitham T" first="Thomas G" last="Whitham">Thomas G. Whitham</name></author><author><name sortKey="Hart, Stephen C" sort="Hart, Stephen C" uniqKey="Hart S" first="Stephen C" last="Hart">Stephen C. 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Whitham</name></author><author><name sortKey="Hart, Stephen C" sort="Hart, Stephen C" uniqKey="Hart S" first="Stephen C" last="Hart">Stephen C. 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Here, we used a common garden with two native tree species, Populus fremontii and P. angustifolia, and their naturally occurring hybrids to test the predictability of belowground C fluxes on the basis of taxonomic identity and genetic marker composition of replicated clones of individual genotypes. Three patterns emerged: soil CO(2) efflux and ratios of belowground flux to aboveground productivity differ by as much as 50-150% as a result of differences in clone identity and cross type; on the basis of Mantel tests of molecular marker matrices, we found that c. 30% of this variation was genetically based, in which genetically similar trees support more similar soil CO(2) efflux under their canopies than do genetically dissimilar trees; and the patterns detected in an experimental garden match observations in the wild, and seem to be unrelated to measured abiotic factors. Our findings suggest that the genetic makeup of the plants growing on soil has a significant influence on the release of C from soils to the atmosphere.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22642377</PMID><DateCompleted><Year>2012</Year><Month>11</Month><Day>02</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>195</Volume><Issue>3</Issue><PubDate><Year>2012</Year><Month>Aug</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Genetic components to belowground carbon fluxes in a riparian forest ecosystem: a common garden approach.</ArticleTitle><Pagination><MedlinePgn>631-9</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2012.04185.x</ELocationID><Abstract><AbstractText>Soil carbon dioxide (CO(2)) efflux is a major component of terrestrial carbon (C) cycles; yet, the demonstration of covariation between overstory tree genetic-based traits and soil C flux remains a major frontier in understanding biological controls over soil C. Here, we used a common garden with two native tree species, Populus fremontii and P. angustifolia, and their naturally occurring hybrids to test the predictability of belowground C fluxes on the basis of taxonomic identity and genetic marker composition of replicated clones of individual genotypes. Three patterns emerged: soil CO(2) efflux and ratios of belowground flux to aboveground productivity differ by as much as 50-150% as a result of differences in clone identity and cross type; on the basis of Mantel tests of molecular marker matrices, we found that c. 30% of this variation was genetically based, in which genetically similar trees support more similar soil CO(2) efflux under their canopies than do genetically dissimilar trees; and the patterns detected in an experimental garden match observations in the wild, and seem to be unrelated to measured abiotic factors. Our findings suggest that the genetic makeup of the plants growing on soil has a significant influence on the release of C from soils to the atmosphere.</AbstractText><CopyrightInformation>© 2012 The Authors. New Phytologist © 2012 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Lojewski</LastName><ForeName>Nathan R</ForeName><Initials>NR</Initials><AffiliationInfo><Affiliation>School of Forestry, Northern Arizona University, Flagstaff, AZ 86011, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fischer</LastName><ForeName>Dylan G</ForeName><Initials>DG</Initials></Author><Author ValidYN="Y"><LastName>Bailey</LastName><ForeName>Joseph K</ForeName><Initials>JK</Initials></Author><Author ValidYN="Y"><LastName>Schweitzer</LastName><ForeName>Jennifer A</ForeName><Initials>JA</Initials></Author><Author ValidYN="Y"><LastName>Whitham</LastName><ForeName>Thomas G</ForeName><Initials>TG</Initials></Author><Author ValidYN="Y"><LastName>Hart</LastName><ForeName>Stephen C</ForeName><Initials>SC</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>05</Month><Day>29</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D057486" MajorTopicYN="N">Carbon Cycle</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002678" MajorTopicYN="N">Chimera</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003433" MajorTopicYN="N">Crosses, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="N">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005838" MajorTopicYN="N">Genotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>11</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22642377</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2012.04185.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Arizona</li></region></list><tree><noCountry><name sortKey="Bailey, Joseph K" sort="Bailey, Joseph K" uniqKey="Bailey J" first="Joseph K" last="Bailey">Joseph K. Bailey</name><name sortKey="Fischer, Dylan G" sort="Fischer, Dylan G" uniqKey="Fischer D" first="Dylan G" last="Fischer">Dylan G. Fischer</name><name sortKey="Hart, Stephen C" sort="Hart, Stephen C" uniqKey="Hart S" first="Stephen C" last="Hart">Stephen C. Hart</name><name sortKey="Schweitzer, Jennifer A" sort="Schweitzer, Jennifer A" uniqKey="Schweitzer J" first="Jennifer A" last="Schweitzer">Jennifer A. Schweitzer</name><name sortKey="Whitham, Thomas G" sort="Whitham, Thomas G" uniqKey="Whitham T" first="Thomas G" last="Whitham">Thomas G. Whitham</name></noCountry><country name="États-Unis"><region name="Arizona"><name sortKey="Lojewski, Nathan R" sort="Lojewski, Nathan R" uniqKey="Lojewski N" first="Nathan R" last="Lojewski">Nathan R. Lojewski</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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