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Distribution of parasitic fungal species richness: influence of climate versus host species diversity

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorVACHER, Corinne
hal.structure.identifierÉcophysiologie des Plantes sous Stress environnementaux [LEPSE]
dc.contributor.authorVILE, Denis
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorHELION, Emmanuelle
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
hal.structure.identifierDépartement Santé des Forêts
dc.contributor.authorPIOU, Dominique
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorDESPREZ LOUSTAU, Marie Laure
dc.date.issued2008
dc.identifier.issn1366-9516
dc.description.abstractEnOne major challenge in parasitology and epidemiology is determining whether the richness of parasitic and infectious diseases simply tracks host diversity or is largely determined by exogenous factors, such as climate-forced variables. We addressed this issue by analysing a 30-year survey of fungal diseases in French forests. We first combined generalized linear models and stepwise analyses to select the habitat descriptors that may account for variations in parasitic fungal species richness. Our results suggest that host species diversity is not a major determinant of parasite richness. Temperature seasonality, host abundance, and the composition of host species assemblages may play a greater role. Then we used structural equation modelling to investigate the links between these habitat descriptors and parasitic fungal species richness. Our results showed that climatic and host species descriptors had not only direct effects on species richness, but also indirect effects (via host species and sampling effort, respectively). Our results also showed that the direct effects of climate and host species were roughly equal. We therefore conclude that it is important to take into account exogenous factors when investigating the potential causes of spatial variation in the richness of parasitic diseases, in particular for plant diseases
dc.language.isoen
dc.publisherWiley
dc.subjectRELATION HOTE-PARASITE
dc.subject.enBIODIVERSITY
dc.subject.enCLIMATE
dc.subject.enDISEASE
dc.subject.enFUNGI
dc.subject.enHOST PARASITE RELATIONSHIPS
dc.subject.enTREE
dc.title.enDistribution of parasitic fungal species richness: influence of climate versus host species diversity
dc.typeArticle de revue
dc.identifier.doi10.1111/j.1472-4642.2008.00479.x
dc.subject.halStatistiques [stat]/Théorie [stat.TH]
bordeaux.journalDiversity and Distributions
bordeaux.page786-798
bordeaux.volume14
bordeaux.issue5
bordeaux.peerReviewedoui
hal.identifierhal-02661194
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02661194v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Diversity%20and%20Distributions&rft.date=2008&rft.volume=14&rft.issue=5&rft.spage=786-798&rft.epage=786-798&rft.eissn=1366-9516&rft.issn=1366-9516&rft.au=VACHER,%20Corinne&VILE,%20Denis&HELION,%20Emmanuelle&PIOU,%20Dominique&DESPREZ%20LOUSTAU,%20Marie%20Laure&rft.genre=article


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