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Functional convergence underground? The scale‐dependency of community assembly processes in European cave spiders

2024-06Journal article Open access
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dc.contributor.authorMammola, Stefano
dc.contributor.authorGraco‐Roza, Caio
dc.contributor.authorBallarin, Francesco
dc.contributor.authorHesselberg, Thomas
dc.contributor.authorIsaia, Marco
dc.contributor.authorLunghi, Enrico
dc.contributor.authorMouron, Samuel
dc.contributor.authorPavlek, Martina
dc.contributor.authorTolve, Marco
dc.contributor.authorCardoso, Pedro
dc.date.accessioned2024-12-20T12:15:00Z
dc.date.available2024-12-20T12:15:00Z
dc.date.issued2024-06
dc.description.abstractAim Quantifying the relative contribution of environmental filtering versus limiting similarity in shaping communities is challenging because these processes often act simultaneously and their effect is scale-dependent. Focusing on caves, island-like natural laboratories with limited environmental variability and species diversity, we tested: (i) the relative contribution of environmental filtering and limiting similarity in determining community assembly in caves; (ii) how the relative contribution of these driving forces changes along environmental gradients. Location Europe. Time period Present. Major taxa studied Subterranean spiders. Methods We used data on distribution and traits for European cave spiders (n = 475 communities). We estimated the trait space of each community using probabilistic hypervolumes, and obtained estimations of functional richness independent of the species richness of each community via null modelling. We model functional diversity change along environmental gradients using generalized dissimilarity modelling. Results Sixty-three percent of subterranean spider communities exhibited a prevalence of trait underdispersion. However, most communities displayed trait dispersion that did not depart significantly from random, suggesting that environmental filtering and limiting similarity were both exerting equally weak or strong, yet opposing influences. Overdispersed communities were primarily concentrated in southern latitudes, particularly in the Dinaric karst, where there is greater subterranean habitat availability. Pairwise comparisons of functional richness across caves revealed these effects to be strongly scale-dependent, largely varying across gradients of cave development, elevation, precipitation, entrance size and annual temperature range. Conversely, geographical distance weakly affected trait composition, suggesting convergence in traits among communities that are far apart. Main conclusions Even systems with stringent environmental conditions maintain the potential for trait differentiation, especially in areas of greater habitat availability. Yet, the relative influence of environmental filtering and limiting similarity change with scale, along clear environmental gradients. The interplay of these processes may explain the assembly of species-poor subterranean communities displaying high functional specialization.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMammola, S., Graco-Roza, C., Ballarin, F., Hesselberg, T., Isaia, M., Lunghi, E., Mouron, S., Pavlek, M., Tolve, M., & Cardoso, P. (2024). Functional convergence underground? The scale-dependency of community assembly processes in European cave spiders. Global Ecology and Biogeography, 33(6), e13840. https://doi.org/10.1111/geb.13840pt_PT
dc.identifier.doi10.1111/geb.13840pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/96566
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relationGrant Numbers: 2022MJSYF8, CN00000033pt_PT
dc.relationSuomen Kulttuurirahasto. Grant Number: 00220879pt_PT
dc.relationEuropean Commission. Grant Number: 88222pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.titleFunctional convergence underground? The scale‐dependency of community assembly processes in European cave spiderspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue6pt_PT
oaire.citation.titleGlobal Ecology and Biogeographypt_PT
oaire.citation.volume33pt_PT
person.familyNameCardoso
person.givenNamePedro
person.identifierWyB_hggAAAAJ
person.identifier.ciencia-id3118-EA4B-B8A3
person.identifier.orcid0000-0001-8119-9960
person.identifier.scopus-author-id36112709400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication67ae0089-06ea-48f6-ac28-d555ddd56443
relation.isAuthorOfPublication.latestForDiscovery67ae0089-06ea-48f6-ac28-d555ddd56443

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