Serveur d'exploration sur la mycorhize

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Mycorrhizal status helps explain invasion success of alien plant species.

Identifieur interne : 000C72 ( Main/Exploration ); précédent : 000C71; suivant : 000C73

Mycorrhizal status helps explain invasion success of alien plant species.

Auteurs : Andreas Menzel [Allemagne] ; Stefan Hempel [Allemagne] ; Stefan Klotz [Allemagne] ; Mari Moora [Estonie] ; Petr Pyšek [République tchèque, Afrique du Sud] ; Matthias C. Rillig [Allemagne] ; Martin Zobel [Estonie] ; Ingolf Kühn [Allemagne]

Source :

RBID : pubmed:27935020

Descripteurs français

English descriptors

Abstract

It is still debated whether alien plants benefit from being mycorrhizal, or if engaging in the symbiosis constrains their establishment and spread in new regions. We analyzed the association between mycorrhizal status of alien plant species in Germany and their invasion success. We compared whether the representation of species with different mycorrhizal status (obligate, facultative, or non-mycorrhizal) differed at several stages of the invasion process. We used generalized linear models to explain the occupied geographical range of alien plants, incorporating interactions of mycorrhizal status with plant traits related to morphology, reproduction, and life-history. Non-naturalized aliens did not differ from naturalized aliens in the relative frequency of different mycorrhizal status categories. Mycorrhizal status significantly explained the occupied range of alien plants; with facultative mycorrhizal species inhabiting a larger range than non-mycorrhizal aliens and obligate mycorrhizal plant species taking an intermediate position. Aliens with storage organs, shoot metamorphoses, or specialized structures promoting vegetative dispersal occupied a larger range when being facultative mycorrhizal. We conclude that being mycorrhizal is important for the persistence of aliens in Germany and constitutes an advantage compared to being non-mycorrhizal. Being facultative mycorrhizal seems to be especially advantageous for successful spread, as the flexibility of this mycorrhizal status may enable plants to use a broader set of ecological strategies.

DOI: 10.1002/ecy.1621
PubMed: 27935020


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Le document en format XML

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<nlm:affiliation>Department of Invasion Ecology, Institute of Botany, The Czech Academy of Sciences, CZ-252 43, Průhonice, Czech Republic.</nlm:affiliation>
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<term>Ecology (MeSH)</term>
<term>Germany (MeSH)</term>
<term>Introduced Species (MeSH)</term>
<term>Mycorrhizae (physiology)</term>
<term>Plants (microbiology)</term>
<term>Symbiosis (MeSH)</term>
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<term>Allemagne (MeSH)</term>
<term>Espèce introduite (MeSH)</term>
<term>Mycorhizes (physiologie)</term>
<term>Plantes (microbiologie)</term>
<term>Symbiose (MeSH)</term>
<term>Écologie (MeSH)</term>
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<term>Plantes</term>
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<term>Plants</term>
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<div type="abstract" xml:lang="en">It is still debated whether alien plants benefit from being mycorrhizal, or if engaging in the symbiosis constrains their establishment and spread in new regions. We analyzed the association between mycorrhizal status of alien plant species in Germany and their invasion success. We compared whether the representation of species with different mycorrhizal status (obligate, facultative, or non-mycorrhizal) differed at several stages of the invasion process. We used generalized linear models to explain the occupied geographical range of alien plants, incorporating interactions of mycorrhizal status with plant traits related to morphology, reproduction, and life-history. Non-naturalized aliens did not differ from naturalized aliens in the relative frequency of different mycorrhizal status categories. Mycorrhizal status significantly explained the occupied range of alien plants; with facultative mycorrhizal species inhabiting a larger range than non-mycorrhizal aliens and obligate mycorrhizal plant species taking an intermediate position. Aliens with storage organs, shoot metamorphoses, or specialized structures promoting vegetative dispersal occupied a larger range when being facultative mycorrhizal. We conclude that being mycorrhizal is important for the persistence of aliens in Germany and constitutes an advantage compared to being non-mycorrhizal. Being facultative mycorrhizal seems to be especially advantageous for successful spread, as the flexibility of this mycorrhizal status may enable plants to use a broader set of ecological strategies.</div>
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<DateCompleted>
<Year>2018</Year>
<Month>10</Month>
<Day>29</Day>
</DateCompleted>
<DateRevised>
<Year>2018</Year>
<Month>10</Month>
<Day>29</Day>
</DateRevised>
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<Journal>
<ISSN IssnType="Print">0012-9658</ISSN>
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<Volume>98</Volume>
<Issue>1</Issue>
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<Year>2017</Year>
<Month>Jan</Month>
</PubDate>
</JournalIssue>
<Title>Ecology</Title>
<ISOAbbreviation>Ecology</ISOAbbreviation>
</Journal>
<ArticleTitle>Mycorrhizal status helps explain invasion success of alien plant species.</ArticleTitle>
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<MedlinePgn>92-102</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1002/ecy.1621</ELocationID>
<Abstract>
<AbstractText>It is still debated whether alien plants benefit from being mycorrhizal, or if engaging in the symbiosis constrains their establishment and spread in new regions. We analyzed the association between mycorrhizal status of alien plant species in Germany and their invasion success. We compared whether the representation of species with different mycorrhizal status (obligate, facultative, or non-mycorrhizal) differed at several stages of the invasion process. We used generalized linear models to explain the occupied geographical range of alien plants, incorporating interactions of mycorrhizal status with plant traits related to morphology, reproduction, and life-history. Non-naturalized aliens did not differ from naturalized aliens in the relative frequency of different mycorrhizal status categories. Mycorrhizal status significantly explained the occupied range of alien plants; with facultative mycorrhizal species inhabiting a larger range than non-mycorrhizal aliens and obligate mycorrhizal plant species taking an intermediate position. Aliens with storage organs, shoot metamorphoses, or specialized structures promoting vegetative dispersal occupied a larger range when being facultative mycorrhizal. We conclude that being mycorrhizal is important for the persistence of aliens in Germany and constitutes an advantage compared to being non-mycorrhizal. Being facultative mycorrhizal seems to be especially advantageous for successful spread, as the flexibility of this mycorrhizal status may enable plants to use a broader set of ecological strategies.</AbstractText>
<CopyrightInformation>© 2016 by the Ecological Society of America.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Menzel</LastName>
<ForeName>Andreas</ForeName>
<Initials>A</Initials>
<Identifier Source="ORCID">http://orcid.org/0000-0002-4105-836X</Identifier>
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<Affiliation>Department of Community Ecology, Helmholtz Centre for Environmental Research-UFZ, Theodor-Lieser-Strasse 4, 06120, Halle (Saale), Germany.</Affiliation>
</AffiliationInfo>
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<LastName>Hempel</LastName>
<ForeName>Stefan</ForeName>
<Initials>S</Initials>
<AffiliationInfo>
<Affiliation>Institute of Biology, Dahlem Center for Plant Sciences, Freie Universität Berlin, Altensteinstraße 6, 14195, Berlin, Germany.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), 14195, Berlin, Germany.</Affiliation>
</AffiliationInfo>
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<LastName>Klotz</LastName>
<ForeName>Stefan</ForeName>
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<Affiliation>Department of Community Ecology, Helmholtz Centre for Environmental Research-UFZ, Theodor-Lieser-Strasse 4, 06120, Halle (Saale), Germany.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany.</Affiliation>
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<ForeName>Mari</ForeName>
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<LastName>Pyšek</LastName>
<ForeName>Petr</ForeName>
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<Affiliation>Department of Invasion Ecology, Institute of Botany, The Czech Academy of Sciences, CZ-252 43, Průhonice, Czech Republic.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Ecology, Faculty of Science, Charles University, Viničná 7, CZ-128 44, Prague 2, Czech Republic.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Botany and Zoology, Centre for Invasion Biology, Stellenbosch University, Matieland, 7602, South Africa.</Affiliation>
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<LastName>Rillig</LastName>
<ForeName>Matthias C</ForeName>
<Initials>MC</Initials>
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<Affiliation>Institute of Biology, Dahlem Center for Plant Sciences, Freie Universität Berlin, Altensteinstraße 6, 14195, Berlin, Germany.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), 14195, Berlin, Germany.</Affiliation>
</AffiliationInfo>
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<LastName>Zobel</LastName>
<ForeName>Martin</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Institute of Ecology and Earth Sciences, University of Tartu, 40 Lai Street, Tartu, 51005, Estonia.</Affiliation>
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<LastName>Kühn</LastName>
<ForeName>Ingolf</ForeName>
<Initials>I</Initials>
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<Affiliation>Department of Community Ecology, Helmholtz Centre for Environmental Research-UFZ, Theodor-Lieser-Strasse 4, 06120, Halle (Saale), Germany.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Institute of Biology/Geobotany and Botanical Garden, Martin-Luther-University Halle-Wittenberg, Am Kirchtor 1, 06108, Halle, Germany.</Affiliation>
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<Language>eng</Language>
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<Year>2016</Year>
<Month>12</Month>
<Day>09</Day>
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<Country>United States</Country>
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<DescriptorName UI="D004463" MajorTopicYN="N">Ecology</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D005858" MajorTopicYN="N">Germany</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D058865" MajorTopicYN="Y">Introduced Species</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
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<MeshHeading>
<DescriptorName UI="D010944" MajorTopicYN="N">Plants</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName>
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<MeshHeading>
<DescriptorName UI="D013559" MajorTopicYN="Y">Symbiosis</DescriptorName>
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<Keyword MajorTopicYN="N">Central Europe</Keyword>
<Keyword MajorTopicYN="N">MycoFlor</Keyword>
<Keyword MajorTopicYN="N">alien plants</Keyword>
<Keyword MajorTopicYN="N">biological invasion</Keyword>
<Keyword MajorTopicYN="N">functional traits</Keyword>
<Keyword MajorTopicYN="N">invasion stage</Keyword>
<Keyword MajorTopicYN="N">mycorrhizal status</Keyword>
<Keyword MajorTopicYN="N">neophytes</Keyword>
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