Serveur d'exploration sur la mycorhize

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Quantitative assessment of the differential impacts of arbuscular and ectomycorrhiza on soil carbon cycling.

Identifieur interne : 001433 ( Main/Exploration ); précédent : 001432; suivant : 001434

Quantitative assessment of the differential impacts of arbuscular and ectomycorrhiza on soil carbon cycling.

Auteurs : Nadejda A. Soudzilovskaia [Pays-Bas] ; Marcel G A. Van Der Heijden [Suisse, Pays-Bas] ; Johannes H C. Cornelissen [Pays-Bas] ; Mikhail I. Makarov [Russie] ; Vladimir G. Onipchenko [Russie] ; Mikhail N. Maslov [Russie] ; Asem A. Akhmetzhanova [Russie] ; Peter M. Van Bodegom [Pays-Bas]

Source :

RBID : pubmed:26011828

Descripteurs français

English descriptors

Abstract

A significant fraction of carbon stored in the Earth's soil moves through arbuscular mycorrhiza (AM) and ectomycorrhiza (EM). The impacts of AM and EM on the soil carbon budget are poorly understood. We propose a method to quantify the mycorrhizal contribution to carbon cycling, explicitly accounting for the abundance of plant-associated and extraradical mycorrhizal mycelium. We discuss the need to acquire additional data to use our method, and present our new global database holding information on plant species-by-site intensity of root colonization by mycorrhizas. We demonstrate that the degree of mycorrhizal fungal colonization has globally consistent patterns across plant species. This suggests that the level of plant species-specific root colonization can be used as a plant trait. To exemplify our method, we assessed the differential impacts of AM : EM ratio and EM shrub encroachment on carbon stocks in sub-arctic tundra. AM and EM affect tundra carbon stocks at different magnitudes, and via partly distinct dominant pathways: via extraradical mycelium (both EM and AM) and via mycorrhizal impacts on above- and belowground biomass carbon (mostly AM). Our method provides a powerful tool for the quantitative assessment of mycorrhizal impact on local and global carbon cycling processes, paving the way towards an improved understanding of the role of mycorrhizas in the Earth's carbon cycle.

DOI: 10.1111/nph.13447
PubMed: 26011828


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Le document en format XML

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<term>Biomass (MeSH)</term>
<term>Carbon (metabolism)</term>
<term>Carbon Cycle (MeSH)</term>
<term>Mycelium (MeSH)</term>
<term>Mycorrhizae (metabolism)</term>
<term>Plant Roots (metabolism)</term>
<term>Plant Roots (microbiology)</term>
<term>Plants (metabolism)</term>
<term>Plants (microbiology)</term>
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<term>Symbiosis (MeSH)</term>
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<term>Biomasse (MeSH)</term>
<term>Carbone (métabolisme)</term>
<term>Cycle du carbone (MeSH)</term>
<term>Microbiologie du sol (MeSH)</term>
<term>Mycelium (MeSH)</term>
<term>Mycorhizes (métabolisme)</term>
<term>Plantes (microbiologie)</term>
<term>Plantes (métabolisme)</term>
<term>Racines de plante (microbiologie)</term>
<term>Racines de plante (métabolisme)</term>
<term>Sol (composition chimique)</term>
<term>Symbiose (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en">
<term>Carbon</term>
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<term>Sol</term>
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<term>Plant Roots</term>
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<term>Mycorhizes</term>
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<term>Racines de plante</term>
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<term>Carbon Cycle</term>
<term>Mycelium</term>
<term>Soil Microbiology</term>
<term>Symbiosis</term>
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<term>Biomasse</term>
<term>Cycle du carbone</term>
<term>Microbiologie du sol</term>
<term>Mycelium</term>
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<div type="abstract" xml:lang="en">A significant fraction of carbon stored in the Earth's soil moves through arbuscular mycorrhiza (AM) and ectomycorrhiza (EM). The impacts of AM and EM on the soil carbon budget are poorly understood. We propose a method to quantify the mycorrhizal contribution to carbon cycling, explicitly accounting for the abundance of plant-associated and extraradical mycorrhizal mycelium. We discuss the need to acquire additional data to use our method, and present our new global database holding information on plant species-by-site intensity of root colonization by mycorrhizas. We demonstrate that the degree of mycorrhizal fungal colonization has globally consistent patterns across plant species. This suggests that the level of plant species-specific root colonization can be used as a plant trait. To exemplify our method, we assessed the differential impacts of AM : EM ratio and EM shrub encroachment on carbon stocks in sub-arctic tundra. AM and EM affect tundra carbon stocks at different magnitudes, and via partly distinct dominant pathways: via extraradical mycelium (both EM and AM) and via mycorrhizal impacts on above- and belowground biomass carbon (mostly AM). Our method provides a powerful tool for the quantitative assessment of mycorrhizal impact on local and global carbon cycling processes, paving the way towards an improved understanding of the role of mycorrhizas in the Earth's carbon cycle. </div>
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<Abstract>
<AbstractText>A significant fraction of carbon stored in the Earth's soil moves through arbuscular mycorrhiza (AM) and ectomycorrhiza (EM). The impacts of AM and EM on the soil carbon budget are poorly understood. We propose a method to quantify the mycorrhizal contribution to carbon cycling, explicitly accounting for the abundance of plant-associated and extraradical mycorrhizal mycelium. We discuss the need to acquire additional data to use our method, and present our new global database holding information on plant species-by-site intensity of root colonization by mycorrhizas. We demonstrate that the degree of mycorrhizal fungal colonization has globally consistent patterns across plant species. This suggests that the level of plant species-specific root colonization can be used as a plant trait. To exemplify our method, we assessed the differential impacts of AM : EM ratio and EM shrub encroachment on carbon stocks in sub-arctic tundra. AM and EM affect tundra carbon stocks at different magnitudes, and via partly distinct dominant pathways: via extraradical mycelium (both EM and AM) and via mycorrhizal impacts on above- and belowground biomass carbon (mostly AM). Our method provides a powerful tool for the quantitative assessment of mycorrhizal impact on local and global carbon cycling processes, paving the way towards an improved understanding of the role of mycorrhizas in the Earth's carbon cycle. </AbstractText>
<CopyrightInformation>© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Soudzilovskaia</LastName>
<ForeName>Nadejda A</ForeName>
<Initials>NA</Initials>
<AffiliationInfo>
<Affiliation>Systems Ecology, Department of Ecological Sciences, VU University Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, the Netherlands.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Environmental Biology, Institute of Environmental Sciences, Leiden University, Einsteinweg 2, 2333CC, Leiden, the Netherlands.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Louis Bolk Instituut, Hoofdstraat 24, 3972, LA Driebergen, the Netherlands.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>van der Heijden</LastName>
<ForeName>Marcel G A</ForeName>
<Initials>MG</Initials>
<AffiliationInfo>
<Affiliation>Plant-Soil Interactions, Institute for Sustainability Sciences, Agroscope, 8046, Zürich, Switzerland.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Institute of Evolutionary Biology and Environmental Studies, University of Zürich, 8057, Zürich, Switzerland.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Plant-Microbe Interactions, Institute of Environmental Biology, Faculty of Science, Utrecht University, 3584 CH, Utrecht, the Netherlands.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Cornelissen</LastName>
<ForeName>Johannes H C</ForeName>
<Initials>JH</Initials>
<AffiliationInfo>
<Affiliation>Systems Ecology, Department of Ecological Sciences, VU University Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, the Netherlands.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Makarov</LastName>
<ForeName>Mikhail I</ForeName>
<Initials>MI</Initials>
<AffiliationInfo>
<Affiliation>Soil Science Department, Moscow State University, 119991, Moscow, Russia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Onipchenko</LastName>
<ForeName>Vladimir G</ForeName>
<Initials>VG</Initials>
<AffiliationInfo>
<Affiliation>Department of Geobotany, Moscow State University, 119991, Moscow, Russia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Maslov</LastName>
<ForeName>Mikhail N</ForeName>
<Initials>MN</Initials>
<AffiliationInfo>
<Affiliation>Soil Science Department, Moscow State University, 119991, Moscow, Russia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Akhmetzhanova</LastName>
<ForeName>Asem A</ForeName>
<Initials>AA</Initials>
<AffiliationInfo>
<Affiliation>Teberda State Biosphere Reserve, 369210, Teberda, Russia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>van Bodegom</LastName>
<ForeName>Peter M</ForeName>
<Initials>PM</Initials>
<AffiliationInfo>
<Affiliation>Environmental Biology, Institute of Environmental Sciences, Leiden University, Einsteinweg 2, 2333CC, Leiden, the Netherlands.</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>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2015</Year>
<Month>05</Month>
<Day>22</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>7440-44-0</RegistryNumber>
<NameOfSubstance UI="D002244">Carbon</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D057486" MajorTopicYN="Y">Carbon Cycle</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D025282" MajorTopicYN="N">Mycelium</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018517" MajorTopicYN="Y">Plant Roots</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010944" MajorTopicYN="Y">Plants</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">arbuscular mycorrhizal (AM) fungi</Keyword>
<Keyword MajorTopicYN="N">ectomycorrhizal (EM) fungi</Keyword>
<Keyword MajorTopicYN="N">extraradical mycelium</Keyword>
<Keyword MajorTopicYN="N">intraradical mycelium</Keyword>
<Keyword MajorTopicYN="N">plant trait</Keyword>
<Keyword MajorTopicYN="N">root length colonization</Keyword>
<Keyword MajorTopicYN="N">root tips</Keyword>
<Keyword MajorTopicYN="N">sub-arctic ecosystems</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData>
<History>
<PubMedPubDate PubStatus="received">
<Year>2014</Year>
<Month>12</Month>
<Day>16</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2015</Year>
<Month>04</Month>
<Day>01</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2015</Year>
<Month>5</Month>
<Day>27</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed">
<Year>2015</Year>
<Month>5</Month>
<Day>27</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2016</Year>
<Month>6</Month>
<Day>2</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">26011828</ArticleId>
<ArticleId IdType="doi">10.1111/nph.13447</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
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<list>
<country>
<li>Pays-Bas</li>
<li>Russie</li>
<li>Suisse</li>
</country>
<region>
<li>Canton de Zurich</li>
<li>District fédéral central</li>
<li>Hollande-Méridionale</li>
<li>Hollande-Septentrionale</li>
<li>Utrecht (province)</li>
</region>
<settlement>
<li>Amsterdam</li>
<li>Leyde</li>
<li>Moscou</li>
<li>Utrecht</li>
<li>Zurich</li>
</settlement>
<orgName>
<li>Université d'Utrecht</li>
<li>Université d'État de Moscou</li>
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<name sortKey="Van Bodegom, Peter M" sort="Van Bodegom, Peter M" uniqKey="Van Bodegom P" first="Peter M" last="Van Bodegom">Peter M. Van Bodegom</name>
<name sortKey="Van Der Heijden, Marcel G A" sort="Van Der Heijden, Marcel G A" uniqKey="Van Der Heijden M" first="Marcel G A" last="Van Der Heijden">Marcel G A. Van Der Heijden</name>
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<name sortKey="Van Der Heijden, Marcel G A" sort="Van Der Heijden, Marcel G A" uniqKey="Van Der Heijden M" first="Marcel G A" last="Van Der Heijden">Marcel G A. Van Der Heijden</name>
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<name sortKey="Van Der Heijden, Marcel G A" sort="Van Der Heijden, Marcel G A" uniqKey="Van Der Heijden M" first="Marcel G A" last="Van Der Heijden">Marcel G A. Van Der Heijden</name>
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<name sortKey="Makarov, Mikhail I" sort="Makarov, Mikhail I" uniqKey="Makarov M" first="Mikhail I" last="Makarov">Mikhail I. Makarov</name>
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<name sortKey="Maslov, Mikhail N" sort="Maslov, Mikhail N" uniqKey="Maslov M" first="Mikhail N" last="Maslov">Mikhail N. Maslov</name>
<name sortKey="Onipchenko, Vladimir G" sort="Onipchenko, Vladimir G" uniqKey="Onipchenko V" first="Vladimir G" last="Onipchenko">Vladimir G. Onipchenko</name>
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