Arbuscular mycorrhizal mycelial respiration in a moist tropical forest.
Identifieur interne : 002711 ( Main/Corpus ); précédent : 002710; suivant : 002712Arbuscular mycorrhizal mycelial respiration in a moist tropical forest.
Auteurs : Andrew T. Nottingham ; Benjamin L. Turner ; Klaus Winter ; Marcel G A. Van Der Heijden ; Edmund V J. TannerSource :
- The New phytologist [ 1469-8137 ] ; 2010.
English descriptors
- KwdEn :
- Aerobiosis (MeSH), Carbon (metabolism), Carbon Dioxide (metabolism), Hydrogen-Ion Concentration (MeSH), Mycelium (physiology), Mycorrhizae (physiology), Nitrogen (metabolism), Phosphorus (metabolism), Plant Roots (microbiology), Soil (analysis), Temperature (MeSH), Trees (microbiology), Tropical Climate (MeSH), Water (physiology).
- MESH :
- chemical , analysis : Soil.
- chemical , metabolism : Carbon, Carbon Dioxide, Nitrogen, Phosphorus.
- microbiology : Plant Roots, Trees.
- physiology : Mycelium, Mycorrhizae, Water.
- Aerobiosis, Hydrogen-Ion Concentration, Temperature, Tropical Climate.
Abstract
*Arbuscular mycorrhizal fungi (AMF) are widespread in tropical forests and represent a major sink of photosynthate, yet their contribution to soil respiration in such ecosystems remains unknown. *Using in-growth mesocosms we measured AMF mycelial respiration in two separate experiments: (1) an experiment in a semi-evergreen moist tropical forest, and (2) an experiment with 6-m-tall Pseudobombax septenatum in 4.5-m(3) containers, for which we also determined the dependence of AMF mycelial respiration on the supply of carbon from the plant using girdling and root-cutting treatments. *In the forest, AMF mycelia respired carbon at a rate of 1.4 t ha(-1) yr(-1), which accounted for 14 +/- 6% of total soil respiration and 26 +/- 12% of root-derived respiration. For P. septenatum, 40 +/- 6% of root-derived respiration originated from AMF mycelia and carbon was respired < 4 h after its supply from roots. *We conclude that arbuscular mycorrhizal mycelial respiration can be substantial in lowland tropical forests. As it is highly dependent on the recent supply of carbon from roots, a function of aboveground fixation, AMF mycelial respiration is therefore an important pathway of carbon flux from tropical forest trees to the atmosphere.
DOI: 10.1111/j.1469-8137.2010.03226.x
PubMed: 20345636
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pubmed:20345636Le document en format XML
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Van Der Heijden</name></author><author><name sortKey="Tanner, Edmund V J" sort="Tanner, Edmund V J" uniqKey="Tanner E" first="Edmund V J" last="Tanner">Edmund V J. Tanner</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="RBID">pubmed:20345636</idno><idno type="pmid">20345636</idno><idno type="doi">10.1111/j.1469-8137.2010.03226.x</idno><idno type="wicri:Area/Main/Corpus">002711</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002711</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Arbuscular mycorrhizal mycelial respiration in a moist tropical forest.</title><author><name sortKey="Nottingham, Andrew T" sort="Nottingham, Andrew T" uniqKey="Nottingham A" first="Andrew T" last="Nottingham">Andrew T. Nottingham</name><affiliation><nlm:affiliation>Department of Plant Sciences, University of Cambridge, Cambridge, UK. atn24@cam.ac.uk</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></author><author><name sortKey="Winter, Klaus" sort="Winter, Klaus" uniqKey="Winter K" first="Klaus" last="Winter">Klaus Winter</name></author><author><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></author><author><name sortKey="Tanner, Edmund V J" sort="Tanner, Edmund V J" uniqKey="Tanner E" first="Edmund V J" last="Tanner">Edmund V J. Tanner</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aerobiosis (MeSH)</term><term>Carbon (metabolism)</term><term>Carbon Dioxide (metabolism)</term><term>Hydrogen-Ion Concentration (MeSH)</term><term>Mycelium (physiology)</term><term>Mycorrhizae (physiology)</term><term>Nitrogen (metabolism)</term><term>Phosphorus (metabolism)</term><term>Plant Roots (microbiology)</term><term>Soil (analysis)</term><term>Temperature (MeSH)</term><term>Trees (microbiology)</term><term>Tropical Climate (MeSH)</term><term>Water (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term><term>Carbon Dioxide</term><term>Nitrogen</term><term>Phosphorus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycelium</term><term>Mycorrhizae</term><term>Water</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aerobiosis</term><term>Hydrogen-Ion Concentration</term><term>Temperature</term><term>Tropical Climate</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">*Arbuscular mycorrhizal fungi (AMF) are widespread in tropical forests and represent a major sink of photosynthate, yet their contribution to soil respiration in such ecosystems remains unknown. *Using in-growth mesocosms we measured AMF mycelial respiration in two separate experiments: (1) an experiment in a semi-evergreen moist tropical forest, and (2) an experiment with 6-m-tall Pseudobombax septenatum in 4.5-m(3) containers, for which we also determined the dependence of AMF mycelial respiration on the supply of carbon from the plant using girdling and root-cutting treatments. *In the forest, AMF mycelia respired carbon at a rate of 1.4 t ha(-1) yr(-1), which accounted for 14 +/- 6% of total soil respiration and 26 +/- 12% of root-derived respiration. For P. septenatum, 40 +/- 6% of root-derived respiration originated from AMF mycelia and carbon was respired < 4 h after its supply from roots. *We conclude that arbuscular mycorrhizal mycelial respiration can be substantial in lowland tropical forests. As it is highly dependent on the recent supply of carbon from roots, a function of aboveground fixation, AMF mycelial respiration is therefore an important pathway of carbon flux from tropical forest trees to the atmosphere.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20345636</PMID><DateCompleted><Year>2010</Year><Month>09</Month><Day>20</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>186</Volume><Issue>4</Issue><PubDate><Year>2010</Year><Month>Jun</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal mycelial respiration in a moist tropical forest.</ArticleTitle><Pagination><MedlinePgn>957-67</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2010.03226.x</ELocationID><Abstract><AbstractText>*Arbuscular mycorrhizal fungi (AMF) are widespread in tropical forests and represent a major sink of photosynthate, yet their contribution to soil respiration in such ecosystems remains unknown. *Using in-growth mesocosms we measured AMF mycelial respiration in two separate experiments: (1) an experiment in a semi-evergreen moist tropical forest, and (2) an experiment with 6-m-tall Pseudobombax septenatum in 4.5-m(3) containers, for which we also determined the dependence of AMF mycelial respiration on the supply of carbon from the plant using girdling and root-cutting treatments. *In the forest, AMF mycelia respired carbon at a rate of 1.4 t ha(-1) yr(-1), which accounted for 14 +/- 6% of total soil respiration and 26 +/- 12% of root-derived respiration. For P. septenatum, 40 +/- 6% of root-derived respiration originated from AMF mycelia and carbon was respired < 4 h after its supply from roots. *We conclude that arbuscular mycorrhizal mycelial respiration can be substantial in lowland tropical forests. As it is highly dependent on the recent supply of carbon from roots, a function of aboveground fixation, AMF mycelial respiration is therefore an important pathway of carbon flux from tropical forest trees to the atmosphere.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Nottingham</LastName><ForeName>Andrew T</ForeName><Initials>AT</Initials><AffiliationInfo><Affiliation>Department of Plant Sciences, University of Cambridge, Cambridge, UK. atn24@cam.ac.uk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Turner</LastName><ForeName>Benjamin L</ForeName><Initials>BL</Initials></Author><Author ValidYN="Y"><LastName>Winter</LastName><ForeName>Klaus</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>van der Heijden</LastName><ForeName>Marcel G A</ForeName><Initials>MG</Initials></Author><Author ValidYN="Y"><LastName>Tanner</LastName><ForeName>Edmund V J</ForeName><Initials>EV</Initials></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>2010</Year><Month>03</Month><Day>19</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>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance 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MajorTopicYN="N">Mycelium</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014329" MajorTopicYN="Y">Tropical Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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