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Cryptic diversity in southern African kelp

2024-05-14Journal article Open access
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dc.contributor.authorMadeira, Pedro
dc.contributor.authorReddy, Maggie M.
dc.contributor.authorAssis, Jorge
dc.contributor.authorBolton, John J.
dc.contributor.authorRothman, Mark D.
dc.contributor.authorAnderson, Robert J.
dc.contributor.authorKandjengo, Lineekela
dc.contributor.authorKreiner, Anja
dc.contributor.authorColeman, Melinda A.
dc.contributor.authorWernbergh, Tomas
dc.contributor.authorDe Clerck, Olivier
dc.contributor.authorLeliaert, Frederik
dc.contributor.authorBandeira, Salomão
dc.contributor.authorAda, Abdul M.
dc.contributor.authorMiranda Neiva, João
dc.contributor.authorPearson, Gareth Anthony
dc.contributor.authorSerrao, Ester A.
dc.date.accessioned2024-09-26T09:51:55Z
dc.date.available2024-09-26T09:51:55Z
dc.date.issued2024-05-14
dc.description.abstractThe southern coast of Africa is one of the few places in the world where water temperatures are predicted to cool in the future. This endemism-rich coastline is home to two sister species of kelps of the genus Ecklonia maxima and Ecklonia radiata, each associated with specific thermal niches, and occuring primarily on opposite sides of the southern tip of Africa. Historical distribution records indicate that E. maxima has recently shifted its distribution similar to 70 km eastward, to sites where only E. radiata was previously reported. The contact of sister species with contrasting thermal affinities and the occurrence of mixed morphologies raised the hypothesis that hybridization might be occurring in this contact zone. Here we describe the genetic structure of the genus Ecklonia along the southern coast of Africa and investigate potential hybridization and cryptic diversity using a combination of nuclear microsatellites and mitochondrial markers. We found that both species have geographically discrete genetic clusters, consistent with expected phylogeographic breaks along this coastline. In addition, depth-isolated populations were found to harbor unique genetic diversity, including a third Ecklonia lineage. Mito-nuclear discordance and high genetic divergence in the contact zones suggest multiple hybridization events between Ecklonia species. Discordance between morphological and molecular identification suggests the potential influence of abiotic factors leading to convergent phenotypes in the contact zones. Our results highlight an example of cryptic diversity and hybridization driven by contact between two closely related keystone species with contrasting thermal affinities.eng
dc.description.sponsorshipGOH3817N; I001621N; PTDC/BIA-CBI/6515/2020; SFRH/BD/140464/2018; EU-BiodivRestore-253-FCT: DivRestore/0013/2020; AGA-KHAN/540316524/2019; DP200100201; 111719
dc.identifier.doi10.1038/s41598-024-61336-4
dc.identifier.issn2045-2322
dc.identifier.urihttp://hdl.handle.net/10400.1/25941
dc.language.isoeng
dc.peerreviewedyes
dc.publisherNature Research
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
dc.relation.ispartofScientific Reports
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectHhop nature-reserver
dc.subjectPackage
dc.subjectSpecies laminariales
dc.subjectPopulation-genetics
dc.subjectEcklonia-maxima
dc.subjectCcimate changes
dc.subjectAgulhas-bank
dc.subjectPhaeophyceae
dc.subjectPatterns
dc.subjectMorphology
dc.titleCryptic diversity in southern African kelpeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND5ed/2022.00861.CEECIND%2FCP1729%2FCT0003/PT
oaire.citation.issue1
oaire.citation.startPage11071
oaire.citation.titleScientific reports
oaire.citation.volume14
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND5ed
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMadeira
person.familyNameAssis
person.familyNameMiranda Neiva
person.familyNamePearson
person.familyNameSerrao
person.givenNamePedro
person.givenNameJorge
person.givenNameJoão
person.givenNameGareth Anthony
person.givenNameEster A.
person.identifierM-3818-2013
person.identifier113536
person.identifierC-6686-2012
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person.identifier.ciencia-id5C1D-05B6-29F7
person.identifier.ciencia-id191B-5464-41F5
person.identifier.ciencia-id3315-9919-1A52
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.orcid0000-0002-2802-0957
person.identifier.orcid0000-0002-6624-4820
person.identifier.orcid0000-0002-5927-4570
person.identifier.orcid0000-0002-0768-464X
person.identifier.orcid0000-0003-1316-658X
person.identifier.ridG-9688-2012
person.identifier.ridJ-3911-2013
person.identifier.scopus-author-id53463298700
person.identifier.scopus-author-id54895771800
person.identifier.scopus-author-id55916875600
person.identifier.scopus-author-id7004093604
project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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