Resilience of Rhizopogon-Douglas-fir mycorrhizal networks 25 years after selective logging.
Identifieur interne : 000074 ( Main/Corpus ); précédent : 000073; suivant : 000075Resilience of Rhizopogon-Douglas-fir mycorrhizal networks 25 years after selective logging.
Auteurs : Carrie H. Van Dorp ; Suzanne W. Simard ; Daniel M. DurallSource :
- Mycorrhiza [ 1432-1890 ] ; 2020.
English descriptors
- KwdEn :
- MESH :
Abstract
Rhizopogon vesiculosus and R. vinicolor are sister fungal species; they form ectomycorrhizas exclusively with Douglas-fir roots, and they are important in forming relatively large mycorrhizal networks, but they may be vulnerable to disturbance caused by logging practices. The main objective was to determine the resilience of mycorrhizal networks 25 years following removal of large hub trees. We predicted that the targeted removal of mature trees would reduce network connectedness compared with a non-harvested neighboring forest. Rhizopogon vesiculosus was nearly absent in the non-harvested plots, whereas both species were prominent in the harvested plots. Initially, network analysis was based only on networks formed by R. vinicolor because they were well represented in both treatments. These analyses showed that the R. vinicolor-Douglas-fir MN was more densely linked in the non-harvested plots than the harvested plots. When we accounted for differences in link and node density, there was still an edge difference and a greater vulnerability to fragmentation in harvested forests than in non-harvested forests. When both Rhizopogon sister species were included in the analysis, both treatments had similar connectivity and limited vulnerability to fragmentation. This suggests that when these forests transition from a regenerating to a non-regenerating state, the Rhizopogon network will lose R. vesiculosus but will maintain link density due to the colonization with R. vinicolor.
DOI: 10.1007/s00572-020-00968-6
PubMed: 32556666
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pubmed:32556666Le document en format XML
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Durall</name><affiliation><nlm:affiliation>Biology Department, University of British Columbia, Okanagan campus, 1177 Research Road, Science Building, Kelowna, BC, V1V 1V7, Canada. daniel.durall@ubc.ca.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2020">2020</date><idno type="RBID">pubmed:32556666</idno><idno type="pmid">32556666</idno><idno type="doi">10.1007/s00572-020-00968-6</idno><idno type="wicri:Area/Main/Corpus">000074</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000074</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Resilience of Rhizopogon-Douglas-fir mycorrhizal networks 25 years after selective logging.</title><author><name sortKey="Van Dorp, Carrie H" sort="Van Dorp, Carrie H" uniqKey="Van Dorp C" first="Carrie H" last="Van Dorp">Carrie H. Van Dorp</name><affiliation><nlm:affiliation>Biology Department, University of British Columbia, Okanagan campus, 1177 Research Road, Science Building, Kelowna, BC, V1V 1V7, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Simard, Suzanne W" sort="Simard, Suzanne W" uniqKey="Simard S" first="Suzanne W" last="Simard">Suzanne W. Simard</name><affiliation><nlm:affiliation>Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Durall, Daniel M" sort="Durall, Daniel M" uniqKey="Durall D" first="Daniel M" last="Durall">Daniel M. Durall</name><affiliation><nlm:affiliation>Biology Department, University of British Columbia, Okanagan campus, 1177 Research Road, Science Building, Kelowna, BC, V1V 1V7, Canada. daniel.durall@ubc.ca.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (MeSH)</term><term>Forests (MeSH)</term><term>Mycorrhizae (MeSH)</term><term>Pseudotsuga (MeSH)</term><term>Trees (MeSH)</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Basidiomycota</term><term>Forests</term><term>Mycorrhizae</term><term>Pseudotsuga</term><term>Trees</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Rhizopogon vesiculosus and R. vinicolor are sister fungal species; they form ectomycorrhizas exclusively with Douglas-fir roots, and they are important in forming relatively large mycorrhizal networks, but they may be vulnerable to disturbance caused by logging practices. The main objective was to determine the resilience of mycorrhizal networks 25 years following removal of large hub trees. We predicted that the targeted removal of mature trees would reduce network connectedness compared with a non-harvested neighboring forest. Rhizopogon vesiculosus was nearly absent in the non-harvested plots, whereas both species were prominent in the harvested plots. Initially, network analysis was based only on networks formed by R. vinicolor because they were well represented in both treatments. These analyses showed that the R. vinicolor-Douglas-fir MN was more densely linked in the non-harvested plots than the harvested plots. When we accounted for differences in link and node density, there was still an edge difference and a greater vulnerability to fragmentation in harvested forests than in non-harvested forests. When both Rhizopogon sister species were included in the analysis, both treatments had similar connectivity and limited vulnerability to fragmentation. This suggests that when these forests transition from a regenerating to a non-regenerating state, the Rhizopogon network will lose R. vesiculosus but will maintain link density due to the colonization with R. vinicolor.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32556666</PMID><DateCompleted><Year>2020</Year><Month>06</Month><Day>26</Day></DateCompleted><DateRevised><Year>2020</Year><Month>06</Month><Day>26</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>30</Volume><Issue>4</Issue><PubDate><Year>2020</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Resilience of Rhizopogon-Douglas-fir mycorrhizal networks 25 years after selective logging.</ArticleTitle><Pagination><MedlinePgn>467-474</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-020-00968-6</ELocationID><Abstract><AbstractText>Rhizopogon vesiculosus and R. vinicolor are sister fungal species; they form ectomycorrhizas exclusively with Douglas-fir roots, and they are important in forming relatively large mycorrhizal networks, but they may be vulnerable to disturbance caused by logging practices. The main objective was to determine the resilience of mycorrhizal networks 25 years following removal of large hub trees. We predicted that the targeted removal of mature trees would reduce network connectedness compared with a non-harvested neighboring forest. Rhizopogon vesiculosus was nearly absent in the non-harvested plots, whereas both species were prominent in the harvested plots. Initially, network analysis was based only on networks formed by R. vinicolor because they were well represented in both treatments. These analyses showed that the R. vinicolor-Douglas-fir MN was more densely linked in the non-harvested plots than the harvested plots. When we accounted for differences in link and node density, there was still an edge difference and a greater vulnerability to fragmentation in harvested forests than in non-harvested forests. When both Rhizopogon sister species were included in the analysis, both treatments had similar connectivity and limited vulnerability to fragmentation. This suggests that when these forests transition from a regenerating to a non-regenerating state, the Rhizopogon network will lose R. vesiculosus but will maintain link density due to the colonization with R. vinicolor.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Van Dorp</LastName><ForeName>Carrie H</ForeName><Initials>CH</Initials><AffiliationInfo><Affiliation>Biology Department, University of British Columbia, Okanagan campus, 1177 Research Road, Science Building, Kelowna, BC, V1V 1V7, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Simard</LastName><ForeName>Suzanne W</ForeName><Initials>SW</Initials><AffiliationInfo><Affiliation>Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Durall</LastName><ForeName>Daniel M</ForeName><Initials>DM</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-7414-4443</Identifier><AffiliationInfo><Affiliation>Biology Department, University of British Columbia, Okanagan campus, 1177 Research Road, Science Building, Kelowna, BC, V1V 1V7, Canada. daniel.durall@ubc.ca.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>06</Month><Day>19</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="Y">Basidiomycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D065928" MajorTopicYN="N">Forests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="Y">Mycorrhizae</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D028224" MajorTopicYN="Y">Pseudotsuga</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Belowground resilience</Keyword><Keyword MajorTopicYN="N">Cryptic species</Keyword><Keyword MajorTopicYN="N">Fungal genotypes</Keyword><Keyword MajorTopicYN="N">Mycorrhizal networks</Keyword><Keyword MajorTopicYN="N">Selective logging</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>11</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>05</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>6</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>6</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32556666</ArticleId><ArticleId IdType="doi">10.1007/s00572-020-00968-6</ArticleId><ArticleId IdType="pii">10.1007/s00572-020-00968-6</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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