Tree mycorrhizal type predicts within-site variability in the storage and distribution of soil organic matter.
Identifieur interne : 000938 ( Main/Corpus ); précédent : 000937; suivant : 000939Tree mycorrhizal type predicts within-site variability in the storage and distribution of soil organic matter.
Auteurs : Matthew E. Craig ; Benjamin L. Turner ; Chao Liang ; Keith Clay ; Daniel J. Johnson ; Richard P. PhillipsSource :
- Global change biology [ 1365-2486 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Carbon, Nitrogen.
- chemical , chemistry : Soil.
- geographic : Indiana, Maryland, Virginia.
- metabolism : Mycorrhizae.
- microbiology : Trees.
- Carbon Sequestration.
Abstract
Forest soils store large amounts of carbon (C) and nitrogen (N), yet how predicted shifts in forest composition will impact long-term C and N persistence remains poorly understood. A recent hypothesis predicts that soils under trees associated with arbuscular mycorrhizas (AM) store less C than soils dominated by trees associated with ectomycorrhizas (ECM), due to slower decomposition in ECM-dominated forests. However, an incipient hypothesis predicts that systems with rapid decomposition-e.g. most AM-dominated forests-enhance soil organic matter (SOM) stabilization by accelerating the production of microbial residues. To address these contrasting predictions, we quantified soil C and N to 1 m depth across gradients of ECM-dominance in three temperate forests. By focusing on sites where AM- and ECM-plants co-occur, our analysis controls for climatic factors that covary with mycorrhizal dominance across broad scales. We found that while ECM stands contain more SOM in topsoil, AM stands contain more SOM when subsoil to 1 m depth is included. Biomarkers and soil fractionations reveal that these patterns are driven by an accumulation of microbial residues in AM-dominated soils. Collectively, our results support emerging theory on SOM formation, demonstrate the importance of subsurface soils in mediating plant effects on soil C and N, and indicate that shifts in the mycorrhizal composition of temperate forests may alter the stabilization of SOM.
DOI: 10.1111/gcb.14132
PubMed: 29573504
Links to Exploration step
pubmed:29573504Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Tree mycorrhizal type predicts within-site variability in the storage and distribution of soil organic matter.</title><author><name sortKey="Craig, Matthew E" sort="Craig, Matthew E" uniqKey="Craig M" first="Matthew E" last="Craig">Matthew E. Craig</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Turner, Benjamin L" sort="Turner, Benjamin L" uniqKey="Turner B" first="Benjamin L" last="Turner">Benjamin L. Turner</name><affiliation><nlm:affiliation>Smithsonian Tropical Research Institute, Balboa, Ancon, Panama.</nlm:affiliation></affiliation></author><author><name sortKey="Liang, Chao" sort="Liang, Chao" uniqKey="Liang C" first="Chao" last="Liang">Chao Liang</name><affiliation><nlm:affiliation>Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.</nlm:affiliation></affiliation></author><author><name sortKey="Clay, Keith" sort="Clay, Keith" uniqKey="Clay K" first="Keith" last="Clay">Keith Clay</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Johnson, Daniel J" sort="Johnson, Daniel J" uniqKey="Johnson D" first="Daniel J" last="Johnson">Daniel J. Johnson</name><affiliation><nlm:affiliation>Los Alamos National Laboratory, Los Alamos, NM, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Phillips, Richard P" sort="Phillips, Richard P" uniqKey="Phillips R" first="Richard P" last="Phillips">Richard P. Phillips</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29573504</idno><idno type="pmid">29573504</idno><idno type="doi">10.1111/gcb.14132</idno><idno type="wicri:Area/Main/Corpus">000938</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000938</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Tree mycorrhizal type predicts within-site variability in the storage and distribution of soil organic matter.</title><author><name sortKey="Craig, Matthew E" sort="Craig, Matthew E" uniqKey="Craig M" first="Matthew E" last="Craig">Matthew E. Craig</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Turner, Benjamin L" sort="Turner, Benjamin L" uniqKey="Turner B" first="Benjamin L" last="Turner">Benjamin L. Turner</name><affiliation><nlm:affiliation>Smithsonian Tropical Research Institute, Balboa, Ancon, Panama.</nlm:affiliation></affiliation></author><author><name sortKey="Liang, Chao" sort="Liang, Chao" uniqKey="Liang C" first="Chao" last="Liang">Chao Liang</name><affiliation><nlm:affiliation>Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.</nlm:affiliation></affiliation></author><author><name sortKey="Clay, Keith" sort="Clay, Keith" uniqKey="Clay K" first="Keith" last="Clay">Keith Clay</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Johnson, Daniel J" sort="Johnson, Daniel J" uniqKey="Johnson D" first="Daniel J" last="Johnson">Daniel J. Johnson</name><affiliation><nlm:affiliation>Los Alamos National Laboratory, Los Alamos, NM, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Phillips, Richard P" sort="Phillips, Richard P" uniqKey="Phillips R" first="Richard P" last="Phillips">Richard P. Phillips</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Global change biology</title><idno type="eISSN">1365-2486</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon (analysis)</term><term>Carbon Sequestration (MeSH)</term><term>Indiana (MeSH)</term><term>Maryland (MeSH)</term><term>Mycorrhizae (metabolism)</term><term>Nitrogen (analysis)</term><term>Soil (chemistry)</term><term>Trees (microbiology)</term><term>Virginia (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Carbon</term><term>Nitrogen</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Indiana</term><term>Maryland</term><term>Virginia</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Trees</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Carbon Sequestration</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Forest soils store large amounts of carbon (C) and nitrogen (N), yet how predicted shifts in forest composition will impact long-term C and N persistence remains poorly understood. A recent hypothesis predicts that soils under trees associated with arbuscular mycorrhizas (AM) store less C than soils dominated by trees associated with ectomycorrhizas (ECM), due to slower decomposition in ECM-dominated forests. However, an incipient hypothesis predicts that systems with rapid decomposition-e.g. most AM-dominated forests-enhance soil organic matter (SOM) stabilization by accelerating the production of microbial residues. To address these contrasting predictions, we quantified soil C and N to 1 m depth across gradients of ECM-dominance in three temperate forests. By focusing on sites where AM- and ECM-plants co-occur, our analysis controls for climatic factors that covary with mycorrhizal dominance across broad scales. We found that while ECM stands contain more SOM in topsoil, AM stands contain more SOM when subsoil to 1 m depth is included. Biomarkers and soil fractionations reveal that these patterns are driven by an accumulation of microbial residues in AM-dominated soils. Collectively, our results support emerging theory on SOM formation, demonstrate the importance of subsurface soils in mediating plant effects on soil C and N, and indicate that shifts in the mycorrhizal composition of temperate forests may alter the stabilization of SOM.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">29573504</PMID><DateCompleted><Year>2019</Year><Month>01</Month><Day>02</Day></DateCompleted><DateRevised><Year>2019</Year><Month>01</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-2486</ISSN><JournalIssue CitedMedium="Internet"><Volume>24</Volume><Issue>8</Issue><PubDate><Year>2018</Year><Month>08</Month></PubDate></JournalIssue><Title>Global change biology</Title><ISOAbbreviation>Glob Chang Biol</ISOAbbreviation></Journal><ArticleTitle>Tree mycorrhizal type predicts within-site variability in the storage and distribution of soil organic matter.</ArticleTitle><Pagination><MedlinePgn>3317-3330</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/gcb.14132</ELocationID><Abstract><AbstractText>Forest soils store large amounts of carbon (C) and nitrogen (N), yet how predicted shifts in forest composition will impact long-term C and N persistence remains poorly understood. A recent hypothesis predicts that soils under trees associated with arbuscular mycorrhizas (AM) store less C than soils dominated by trees associated with ectomycorrhizas (ECM), due to slower decomposition in ECM-dominated forests. However, an incipient hypothesis predicts that systems with rapid decomposition-e.g. most AM-dominated forests-enhance soil organic matter (SOM) stabilization by accelerating the production of microbial residues. To address these contrasting predictions, we quantified soil C and N to 1 m depth across gradients of ECM-dominance in three temperate forests. By focusing on sites where AM- and ECM-plants co-occur, our analysis controls for climatic factors that covary with mycorrhizal dominance across broad scales. We found that while ECM stands contain more SOM in topsoil, AM stands contain more SOM when subsoil to 1 m depth is included. Biomarkers and soil fractionations reveal that these patterns are driven by an accumulation of microbial residues in AM-dominated soils. Collectively, our results support emerging theory on SOM formation, demonstrate the importance of subsurface soils in mediating plant effects on soil C and N, and indicate that shifts in the mycorrhizal composition of temperate forests may alter the stabilization of SOM.</AbstractText><CopyrightInformation>© 2018 John Wiley & Sons Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Craig</LastName><ForeName>Matthew E</ForeName><Initials>ME</Initials><Identifier Source="ORCID">0000-0002-8890-7920</Identifier><AffiliationInfo><Affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Turner</LastName><ForeName>Benjamin L</ForeName><Initials>BL</Initials><AffiliationInfo><Affiliation>Smithsonian Tropical Research Institute, Balboa, Ancon, Panama.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liang</LastName><ForeName>Chao</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Clay</LastName><ForeName>Keith</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Johnson</LastName><ForeName>Daniel J</ForeName><Initials>DJ</Initials><AffiliationInfo><Affiliation>Los Alamos National Laboratory, Los Alamos, NM, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Phillips</LastName><ForeName>Richard P</ForeName><Initials>RP</Initials><AffiliationInfo><Affiliation>Department of Biology, Indiana University, Bloomington, IN, USA.</Affiliation></AffiliationInfo></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>2018</Year><Month>04</Month><Day>17</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Glob Chang Biol</MedlineTA><NlmUniqueID>9888746</NlmUniqueID><ISSNLinking>1354-1013</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D057965" MajorTopicYN="N">Carbon Sequestration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007196" MajorTopicYN="N" Type="Geographic">Indiana</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008396" MajorTopicYN="N" Type="Geographic">Maryland</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</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="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014768" MajorTopicYN="N" Type="Geographic">Virginia</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">MEMs hypothesis</Keyword><Keyword MajorTopicYN="Y">amino sugars</Keyword><Keyword MajorTopicYN="Y">decomposition</Keyword><Keyword MajorTopicYN="Y">mineral-associated</Keyword><Keyword MajorTopicYN="Y">mycorrhizal fungi</Keyword><Keyword MajorTopicYN="Y">soil carbon</Keyword><Keyword MajorTopicYN="Y">soil depth</Keyword><Keyword MajorTopicYN="Y">soil nitrogen</Keyword><Keyword MajorTopicYN="Y">temperate forest</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate 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