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Taxonomic divergence and functional convergence in Iberian spider forest communities : Insights from beta diversity partitioning

2019-08Journal article Restricted access
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dc.contributor.authorCarvalho, José Carlos
dc.contributor.authorMalumbres-Olarte, Jagoba
dc.contributor.authorArnedo, Miquel A.
dc.contributor.authorCrespo, Luís C.
dc.contributor.authorDomenech, Marc
dc.contributor.authorCardoso, Pedro
dc.date.accessioned2021-03-16T16:18:24Z
dc.date.available2021-03-16T16:18:24Z
dc.date.issued2019-08
dc.description.abstractAIM: The main aims were to determine: (a) the relative contribution of species replacement and richness difference from components to overall taxonomic (TD beta) and functional (FD beta) beta diversity of spider communities; (b) the degree to which TD beta and FD beta components can be explained by the environmental or geographic predictors; (c) whether FD beta components were lower than expected given the underlying TD beta variation. LOCATION: This study was carried out in 22 oak forest sites across the Iberian Peninsula. The area comprises two biogeographic regions, Eurosiberian (North) and Mediterranean (Centre and South). METHODS: Spiders were sampled using a standardized protocol. A species x traits matrix was constructed. Total taxonomic (TD beta(total)) and total functional (FD beta(total)) beta diversity were calculated, by pairwise comparisons, and partitioned into their replacement (beta(repl)) and richness difference (beta(rich)) components. Mantel tests were used to relate taxonomic and functional dissimilarity with environmental and geographic distances. A spatial eigenfunction model was constructed and the variation in TD beta and FD beta explained by environment and geographic predictors was quantified. Null models were used to test if FD beta was higher or lower than expected given TD beta. RESULTS: beta(repl) was the dominant component contributing to 84.2% and 72.8% for TD beta(total) and FD beta(total), respectively. TD beta(total) and FD beta(total) (and their replacement components) were higher between- than within-biogeographic regions. TD beta(total) and TD beta(repl) were positively correlated with environmental and geographic distances, even when controlling for a biogeographic effect, but their functional counterparts were only correlated with environmental distance. Variation partitioning showed that pure environmental and spatially structured environmental effects had a small contribution to beta diversity, except for TD beta(rich). The observed slopes of the regressions of FD beta(total) and FD beta(repl) in relation to environmental distance were slower than the null model expectations. MAIN CONCLUSIONS: Spider assemblage variation was mainly determined by the replacement, and not the net loss, of species and traits. TD beta was influenced by niche filtering and dispersal limitation, whereas FD beta was mainly generated by niche filtering. A high level of functional convergence among spider communities, despite the high taxonomic divergence, revealed the signal of replacement of species performing similar functions across sites.en
dc.description.sponsorshipOrganismo Autonomo de Parques Nacionales, Grant/Award Number: 485/2012; Catalan Government, Grant/Award Number: 2014SGR1604.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCarvalho, J.C., Malumbres-Olarte, J., Arnedo, M., Crespo, L., Domenech, M. & Cardoso, P. (2020). Taxonomic divergence and functional convergence in Iberian spider forest communities: insights from beta diversity partitioning. "Journal of Biogeography", 47(1), 288-300. DOI:10.1111/jbi.13722en
dc.identifier.doi10.1111/jbi.13722pt_PT
dc.identifier.issn1365-2699
dc.identifier.urihttp://hdl.handle.net/10400.3/5795
dc.identifier.wos000493709800001
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/doi/full/10.1111/jbi.13722pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectAraneaept_PT
dc.subjectDispersal Limitationen
dc.subjectFunctional Diversityen
dc.subjectFunctional Replacementen
dc.subjectNiche Filteringen
dc.subjectSpecies Replacementen
dc.titleTaxonomic divergence and functional convergence in Iberian spider forest communities : Insights from beta diversity partitioningen
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceUnited Kingdomen
oaire.citation.endPage300pt_PT
oaire.citation.issue(1)pt_PT
oaire.citation.startPage288pt_PT
oaire.citation.titleJournal of Biogeographyen
oaire.citation.volume47pt_PT
person.familyNameCarvalho
person.familyNameMalumbres-Olarte
person.familyNameCardoso
person.givenNameJosé Carlos
person.givenNameJagoba
person.givenNamePedro
person.identifier.ciencia-idC71D-B386-F49D
person.identifier.ciencia-id1414-3CEE-8A41
person.identifier.ciencia-id3118-EA4B-B8A3
person.identifier.orcid0000-0001-6852-5207
person.identifier.orcid0000-0002-6878-5719
person.identifier.orcid0000-0001-8119-9960
person.identifier.ridQ-2927-2016
person.identifier.ridA-8820-2008
person.identifier.scopus-author-id25931089700
person.identifier.scopus-author-id36112709400
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscovery5e8bc5d0-ceb7-4863-9a09-59dcbe1fc3bd

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