Genetic by environment interactions affect plant-soil linkages.
Identifieur interne : 002676 ( Main/Exploration ); précédent : 002675; suivant : 002677Genetic by environment interactions affect plant-soil linkages.
Auteurs : Clara C. Pregitzer [États-Unis] ; Joseph K. Bailey ; Jennifer A. SchweitzerSource :
- Ecology and evolution [ 2045-7758 ] ; 2013.
Abstract
The role of plant intraspecific variation in plant-soil linkages is poorly understood, especially in the context of natural environmental variation, but has important implications in evolutionary ecology. We utilized three 18- to 21-year-old common gardens across an elevational gradient, planted with replicates of five Populus angustifolia genotypes each, to address the hypothesis that tree genotype (G), environment (E), and G × E interactions would affect soil carbon and nitrogen dynamics beneath individual trees. We found that soil nitrogen and carbon varied by over 50% and 62%, respectively, across all common garden environments. We found that plant leaf litter (but not root) traits vary by genotype and environment while soil nutrient pools demonstrated genotype, environment, and sometimes G × E interactions, while process rates (net N mineralization and net nitrification) demonstrated G × E interactions. Plasticity in tree growth and litter chemistry was significantly related to the variation in soil nutrient pools and processes across environments, reflecting tight plant-soil linkages. These data overall suggest that plant genetic variation can have differential affects on carbon storage and nitrogen cycling, with implications for understanding the role of genetic variation in plant-soil feedback as well as management plans for conservation and restoration of forest habitats with a changing climate.
DOI: 10.1002/ece3.618
PubMed: 23919173
PubMed Central: PMC3728968
Affiliations:
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Pregitzer</name><affiliation wicri:level="2"><nlm:affiliation>Department of Ecology and Evolutionary Biology, University of Tennessee Knoxville, Tennessee.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Tennessee</region></placeName><wicri:cityArea>Department of Ecology and Evolutionary Biology, University of Tennessee Knoxville</wicri:cityArea></affiliation></author><author><name sortKey="Bailey, Joseph K" sort="Bailey, Joseph K" uniqKey="Bailey J" first="Joseph K" last="Bailey">Joseph K. 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></analytic><series><title level="j">Ecology and evolution</title><idno type="ISSN">2045-7758</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The role of plant intraspecific variation in plant-soil linkages is poorly understood, especially in the context of natural environmental variation, but has important implications in evolutionary ecology. We utilized three 18- to 21-year-old common gardens across an elevational gradient, planted with replicates of five Populus angustifolia genotypes each, to address the hypothesis that tree genotype (G), environment (E), and G × E interactions would affect soil carbon and nitrogen dynamics beneath individual trees. We found that soil nitrogen and carbon varied by over 50% and 62%, respectively, across all common garden environments. We found that plant leaf litter (but not root) traits vary by genotype and environment while soil nutrient pools demonstrated genotype, environment, and sometimes G × E interactions, while process rates (net N mineralization and net nitrification) demonstrated G × E interactions. Plasticity in tree growth and litter chemistry was significantly related to the variation in soil nutrient pools and processes across environments, reflecting tight plant-soil linkages. These data overall suggest that plant genetic variation can have differential affects on carbon storage and nitrogen cycling, with implications for understanding the role of genetic variation in plant-soil feedback as well as management plans for conservation and restoration of forest habitats with a changing climate. </div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">23919173</PMID><DateCompleted><Year>2013</Year><Month>08</Month><Day>06</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">2045-7758</ISSN><JournalIssue CitedMedium="Print"><Volume>3</Volume><Issue>7</Issue><PubDate><Year>2013</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Ecology and evolution</Title><ISOAbbreviation>Ecol Evol</ISOAbbreviation></Journal><ArticleTitle>Genetic by environment interactions affect plant-soil linkages.</ArticleTitle><Pagination><MedlinePgn>2322-33</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/ece3.618</ELocationID><Abstract><AbstractText>The role of plant intraspecific variation in plant-soil linkages is poorly understood, especially in the context of natural environmental variation, but has important implications in evolutionary ecology. We utilized three 18- to 21-year-old common gardens across an elevational gradient, planted with replicates of five Populus angustifolia genotypes each, to address the hypothesis that tree genotype (G), environment (E), and G × E interactions would affect soil carbon and nitrogen dynamics beneath individual trees. We found that soil nitrogen and carbon varied by over 50% and 62%, respectively, across all common garden environments. We found that plant leaf litter (but not root) traits vary by genotype and environment while soil nutrient pools demonstrated genotype, environment, and sometimes G × E interactions, while process rates (net N mineralization and net nitrification) demonstrated G × E interactions. Plasticity in tree growth and litter chemistry was significantly related to the variation in soil nutrient pools and processes across environments, reflecting tight plant-soil linkages. These data overall suggest that plant genetic variation can have differential affects on carbon storage and nitrogen cycling, with implications for understanding the role of genetic variation in plant-soil feedback as well as management plans for conservation and restoration of forest habitats with a changing climate. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pregitzer</LastName><ForeName>Clara C</ForeName><Initials>CC</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolutionary Biology, University of Tennessee Knoxville, Tennessee.</Affiliation></AffiliationInfo></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></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal 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IdType="pubmed">12684853</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Tennessee</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="Schweitzer, Jennifer A" sort="Schweitzer, Jennifer A" uniqKey="Schweitzer J" first="Jennifer A" last="Schweitzer">Jennifer A. Schweitzer</name></noCountry><country name="États-Unis"><region name="Tennessee"><name sortKey="Pregitzer, Clara C" sort="Pregitzer, Clara C" uniqKey="Pregitzer C" first="Clara C" last="Pregitzer">Clara C. Pregitzer</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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