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Different diversity-dependent declines in speciation rate unbalances species richness in terrestrial slugs

2004-06Journal article Open Access
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dc.contributor.authorLopes Da Cunha, Regina
dc.contributor.authorPatrao, Claudia
dc.contributor.authorCastilho, Rita
dc.date.accessioned2018-12-07T14:53:26Z
dc.date.available2018-12-07T14:53:26Z
dc.date.issued2004-06
dc.description.abstractTwo genera of terrestrial slugs (Arion and Geomalacus) display a striking disproportion in species richness in the Iberian Peninsula. While there are 17 Iberian endemic species in Arion, morphological criteria only recognize four species within Geomalacus. Sequence data were used to test whether these differences could result from: (1) cryptic diversity within Geomalacus; (2) an earlier origin for Arion (older clades are expected to accumulate more species); (3) distinct patterns of diversification rates (higher initial speciation rates in Arion), and (4) some combination of the above factors (e.g., an older clade with higher speciation rates). Species delimitation tests based on mitochondrial and nuclear data revealed eight cryptic lineages within Geomalacus that lessened the asymmetry; nevertheless, the disparity required further investigation. No meaningful differences in crown group ages of each recovered clade were found. Regardless the different premises of the two equally plausible diversification models (similar initial speciation rates vs. higher initial speciation rates in Geomalacus), both coincide on diversity-dependent diversification for the two groups but weaker rate declines in Arion best explains the observed asymmetry in species richness. Also, the broader environmental tolerance combined with a faster dispersal and wider distribution may have represented an evolutionary advantage for Arion.
dc.description.sponsorshipFCT (Fundacao para a Ciencia e Tecnologia, Portugal) [SFRH/BPD/109685/2015]; FSE (Fundo Social Europeu). [SFRH/BD/30024/2006]; FCT strategic plan [UID/Multi/04326/2013]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1038/s41598-017-16417-y
dc.identifier.issn2045-2322
dc.identifier.urihttp://hdl.handle.net/10400.1/11519
dc.language.isoeng
dc.peerreviewedyes
dc.publisherNature Publishing Group
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectMolecular Phylogenies
dc.subjectDiversification rates
dc.subjectMaximum-Likelihood
dc.subjectGene trees
dc.subjectPulmonata
dc.subjectDna
dc.subjectGastropoda
dc.subjectArionidae
dc.subjectMollusca
dc.subjectDelimitation
dc.titleDifferent diversity-dependent declines in speciation rate unbalances species richness in terrestrial slugs
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F30024%2F2006/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04326%2F2013/PT
oaire.citation.endPage26416
oaire.citation.issue25
oaire.citation.startPage26411
oaire.citation.titleScientific Reports
oaire.citation.volume279
oaire.fundingStreamSFRH
oaire.fundingStream5876
person.familyNameLopes da Cunha
person.familyNameCastilho
person.givenNameRegina
person.givenNameRita
person.identifier452212
person.identifier.ciencia-id0513-0407-A6C1
person.identifier.orcid0000-0002-4275-9723
person.identifier.orcid0000-0003-0727-3688
person.identifier.ridM-3463-2013
person.identifier.ridB-6185-2008
person.identifier.scopus-author-id8855869800
person.identifier.scopus-author-id56271196600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
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relation.isAuthorOfPublication051f68ec-18e0-4008-b06d-bf4b996fa098
relation.isAuthorOfPublication.latestForDiscovery0ff4c823-415a-4f2c-99ed-f849419fd307
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