Disturbance reduces the differentiation of mycorrhizal fungal communities in grasslands along a precipitation gradient.
Identifieur interne : 000A26 ( Main/Corpus ); précédent : 000A25; suivant : 000A27Disturbance reduces the differentiation of mycorrhizal fungal communities in grasslands along a precipitation gradient.
Auteurs : Geoffrey L. House ; James D. BeverSource :
- Ecological applications : a publication of the Ecological Society of America [ 1051-0761 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- geographic : Midwestern United States.
- Grassland, Mycobiome, Mycorrhizae, Poaceae, Rain, Soil Microbiology.
Abstract
Given that mycorrhizal fungi play key roles in shaping plant communities, greater attention should be focused on factors that determine the composition of mycorrhizal fungal communities and their sensitivity to anthropogenic disturbance. We investigate changes in arbuscular mycorrhizal (AM) fungal community composition across a precipitation gradient in North American grasslands as well as changes occurring with varying degrees of site disturbance that have resulted in invasive plant establishment. We find strong differentiation of AM fungal communities in undisturbed remnant grasslands across the precipitation gradient, whereas communities in disturbed grasslands were more homogeneous. These changes in community differentiation with disturbance are consistent with more stringent environmental filtering of AM fungal communities in undisturbed sites that may also be promoted by more rigid functional constraints imposed on AM fungi by the native plant communities in these areas. The AM fungal communities in eastern grasslands were particularly sensitive to anthropogenic disturbance, with disturbed sites having low numbers of AM fungal operational taxonomic units (OTUs) commonly found in undisturbed sites, and also the proliferation of AM fungal OTUs in disturbed sites. This proliferation of AM fungi in eastern disturbed sites coincided with increased soil phosphorus availability and is consistent with evidence suggesting the fungi represented by these OTUs would provide reduced benefits to native plants. The differentiation of AM fungal communities along the precipitation gradient in undisturbed grasslands but not in disturbed sites is consistent with AM fungi aiding plant adaptation to climate, and suggests they may be especially important targets for conservation and restoration in order to help maintain or re-establish diverse grassland plant communities.
DOI: 10.1002/eap.1681
PubMed: 29314434
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Bever</name><affiliation><nlm:affiliation>Department of Ecology and Evolutionary Biology and Kansas Biological Survey, The University of Kansas, 2041 Haworth Hall, 1200 Sunnyside Avenue, Lawrence, Kansas, 66045, USA.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29314434</idno><idno type="pmid">29314434</idno><idno type="doi">10.1002/eap.1681</idno><idno type="wicri:Area/Main/Corpus">000A26</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000A26</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Disturbance reduces the differentiation of mycorrhizal fungal communities in grasslands along a precipitation gradient.</title><author><name sortKey="House, Geoffrey L" sort="House, Geoffrey L" uniqKey="House G" first="Geoffrey L" last="House">Geoffrey L. House</name><affiliation><nlm:affiliation>Department of Biology, Indiana University, 1001 East Third Street, Bloomington, Indiana, 47405, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Bever, James D" sort="Bever, James D" uniqKey="Bever J" first="James D" last="Bever">James D. Bever</name><affiliation><nlm:affiliation>Department of Ecology and Evolutionary Biology and Kansas Biological Survey, The University of Kansas, 2041 Haworth Hall, 1200 Sunnyside Avenue, Lawrence, Kansas, 66045, USA.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Ecological applications : a publication of the Ecological Society of America</title><idno type="ISSN">1051-0761</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Grassland (MeSH)</term><term>Midwestern United States (MeSH)</term><term>Mycobiome (MeSH)</term><term>Mycorrhizae (MeSH)</term><term>Poaceae (MeSH)</term><term>Rain (MeSH)</term><term>Soil Microbiology (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Midwestern United States</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Grassland</term><term>Mycobiome</term><term>Mycorrhizae</term><term>Poaceae</term><term>Rain</term><term>Soil Microbiology</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Given that mycorrhizal fungi play key roles in shaping plant communities, greater attention should be focused on factors that determine the composition of mycorrhizal fungal communities and their sensitivity to anthropogenic disturbance. We investigate changes in arbuscular mycorrhizal (AM) fungal community composition across a precipitation gradient in North American grasslands as well as changes occurring with varying degrees of site disturbance that have resulted in invasive plant establishment. We find strong differentiation of AM fungal communities in undisturbed remnant grasslands across the precipitation gradient, whereas communities in disturbed grasslands were more homogeneous. These changes in community differentiation with disturbance are consistent with more stringent environmental filtering of AM fungal communities in undisturbed sites that may also be promoted by more rigid functional constraints imposed on AM fungi by the native plant communities in these areas. The AM fungal communities in eastern grasslands were particularly sensitive to anthropogenic disturbance, with disturbed sites having low numbers of AM fungal operational taxonomic units (OTUs) commonly found in undisturbed sites, and also the proliferation of AM fungal OTUs in disturbed sites. This proliferation of AM fungi in eastern disturbed sites coincided with increased soil phosphorus availability and is consistent with evidence suggesting the fungi represented by these OTUs would provide reduced benefits to native plants. The differentiation of AM fungal communities along the precipitation gradient in undisturbed grasslands but not in disturbed sites is consistent with AM fungi aiding plant adaptation to climate, and suggests they may be especially important targets for conservation and restoration in order to help maintain or re-establish diverse grassland plant communities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29314434</PMID><DateCompleted><Year>2019</Year><Month>08</Month><Day>29</Day></DateCompleted><DateRevised><Year>2019</Year><Month>08</Month><Day>29</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1051-0761</ISSN><JournalIssue CitedMedium="Print"><Volume>28</Volume><Issue>3</Issue><PubDate><Year>2018</Year><Month>04</Month></PubDate></JournalIssue><Title>Ecological applications : a publication of the Ecological Society of America</Title><ISOAbbreviation>Ecol Appl</ISOAbbreviation></Journal><ArticleTitle>Disturbance reduces the differentiation of mycorrhizal fungal communities in grasslands along a precipitation gradient.</ArticleTitle><Pagination><MedlinePgn>736-748</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/eap.1681</ELocationID><Abstract><AbstractText>Given that mycorrhizal fungi play key roles in shaping plant communities, greater attention should be focused on factors that determine the composition of mycorrhizal fungal communities and their sensitivity to anthropogenic disturbance. We investigate changes in arbuscular mycorrhizal (AM) fungal community composition across a precipitation gradient in North American grasslands as well as changes occurring with varying degrees of site disturbance that have resulted in invasive plant establishment. We find strong differentiation of AM fungal communities in undisturbed remnant grasslands across the precipitation gradient, whereas communities in disturbed grasslands were more homogeneous. These changes in community differentiation with disturbance are consistent with more stringent environmental filtering of AM fungal communities in undisturbed sites that may also be promoted by more rigid functional constraints imposed on AM fungi by the native plant communities in these areas. The AM fungal communities in eastern grasslands were particularly sensitive to anthropogenic disturbance, with disturbed sites having low numbers of AM fungal operational taxonomic units (OTUs) commonly found in undisturbed sites, and also the proliferation of AM fungal OTUs in disturbed sites. This proliferation of AM fungi in eastern disturbed sites coincided with increased soil phosphorus availability and is consistent with evidence suggesting the fungi represented by these OTUs would provide reduced benefits to native plants. The differentiation of AM fungal communities along the precipitation gradient in undisturbed grasslands but not in disturbed sites is consistent with AM fungi aiding plant adaptation to climate, and suggests they may be especially important targets for conservation and restoration in order to help maintain or re-establish diverse grassland plant communities.</AbstractText><CopyrightInformation>© 2018 The Authors Ecological Applications published by Wiley Periodicals, Inc. on behalf of Ecological Society of America.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>House</LastName><ForeName>Geoffrey L</ForeName><Initials>GL</Initials><AffiliationInfo><Affiliation>Department of Biology, Indiana University, 1001 East Third Street, Bloomington, Indiana, 47405, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bever</LastName><ForeName>James D</ForeName><Initials>JD</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolutionary Biology and Kansas Biological Survey, The University of Kansas, 2041 Haworth Hall, 1200 Sunnyside Avenue, Lawrence, Kansas, 66045, 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>03</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Ecol Appl</MedlineTA><NlmUniqueID>9889808</NlmUniqueID><ISSNLinking>1051-0761</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D065948" MajorTopicYN="Y">Grassland</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015146" MajorTopicYN="N" Type="Geographic">Midwestern United States</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000072761" MajorTopicYN="Y">Mycobiome</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="Y">Mycorrhizae</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006109" MajorTopicYN="N">Poaceae</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011891" MajorTopicYN="Y">Rain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="N">Soil Microbiology</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">anthropogenic disturbance</Keyword><Keyword MajorTopicYN="Y">arbuscular mycorrhizal fungi</Keyword><Keyword MajorTopicYN="Y">grasslands</Keyword><Keyword MajorTopicYN="Y">mutualisms</Keyword><Keyword MajorTopicYN="Y">plant-fungal interactions</Keyword><Keyword MajorTopicYN="Y">prairie ecosystems</Keyword><Keyword MajorTopicYN="Y">soil microbial ecology</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>08</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>11</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>12</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>1</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>8</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>1</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29314434</ArticleId><ArticleId IdType="doi">10.1002/eap.1681</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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