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Widespread Hybridization between Invasive Bleak (Alburnus alburnus) and Iberian Chub (Squalius spp.): A Neglected Conservation Threat

dc.contributor.authorCurto, Manuel
dc.contributor.authorMorgado-Santos, Miguel
dc.contributor.authorAlexandre, Carlos M.
dc.contributor.authorAlves, Maria Judite
dc.contributor.authorGante, Hugo F.
dc.contributor.authorGkenas, Christos
dc.contributor.authorMedeiros, João P.
dc.contributor.authorPinheiro, Paulo J.
dc.contributor.authorAlmeida, Pedro R.
dc.contributor.authorMagalhães, Maria Filomena
dc.contributor.authorRibeiro, Filipe
dc.date.accessioned2023-01-18T17:51:06Z
dc.date.available2023-01-18T17:51:06Z
dc.date.issued2022-09
dc.description.abstractHybridization between native and nonnative fish species is a major conservation issue, especially in ecosystems with high levels of endemism, such as Iberian streams. To date, hybridization with the invasive bleak Alburnus alburnus has been reported for the Iberian chub Squalius alburnoides and S. pyrenaicus and in scattered locations only. However, the bleak is spreading in the region, potentially increasing the risks of hybridization with other Squalius species. To gather a more comprehensive picture on the current geography of hybridization, we compiled records on hybrids between bleak and chub in Portugal and conducted genetical assessments of hybrids between bleak and S. carolitertii. We found that hybridization with bleak is widespread throughout Portuguese river basins and involves at least S. alburnoides, S. pyrenaicus and S. carolitertii. Hybridization with bleak may not only cause waste of reproductive effort and damage the genetic integrity of these endemic species but also promote shifts in the reproductive dynamics of the S. alburnoides hybrid complex, which includes individuals with various ploidy levels and combinations of parental genomes, reproducing sexually and asexually. We recommend that future studies characterize the fitness of bleak hybrids and their ecological and genetic interactions with native fish, in order to design effective conservation measures.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCurto, M.; Morgado-Santos, M.; Alexandre, C.M.; Alves, M.J.; Gante, H.F.; Gkenas, C.; Medeiros, J.P.; Pinheiro, P.J.; Almeida, P.R.; Magalhães, M.F.; Ribeiro, F. Widespread Hybridization between Invasive Bleak (Alburnus alburnus) and Iberian Chub (Squalius spp.): A Neglected Conservation Threat. Fishes 2022, 7, 247. https://doi.org/10.3390/fishes7050247pt_PT
dc.identifier.doi10.3390/fishes7050247pt_PT
dc.identifier.urihttp://hdl.handle.net/10451/55938
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationFRISK (PTDC/AAG-MAA/0350/2014), ISO-INVA(LISBOA-01-0145-FEDER-029105+PTDC/CTA-AMB/29105/2017), ENVMETAGENOMICS (PTDC/BIA-CBI/31644/2017), and SONICINVADERS (PTDC/CTA-AMB/28782/2017), funded by the Foundation for Science and Technology, and LIFE13/NAT/PT/000786, funded by the European Union LIFE programpt_PT
dc.relationFCT UIDB/04292/2020, UIDB/00329/2020, UIDP/00329/2020, LA/P/0069/2020, CEECIND/02265/2018, CEEC/0482/2020pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleWidespread Hybridization between Invasive Bleak (Alburnus alburnus) and Iberian Chub (Squalius spp.): A Neglected Conservation Threatpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue5pt_PT
oaire.citation.startPage247pt_PT
oaire.citation.titleFishespt_PT
oaire.citation.volume7pt_PT
person.familyNameMorgado-Santos
person.familyNameda Silva Cardoso Alves
person.familyNameMagalhães
person.givenNameMiguel
person.givenNameMaria Judite
person.givenNameMaria Filomena
person.identifier.ciencia-id5118-6824-B460
person.identifier.ciencia-id0D1B-304A-0AEA
person.identifier.orcid0000-0002-0808-5198
person.identifier.orcid0000-0002-0550-4190
person.identifier.orcid0000-0001-7308-2279
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication31eea802-b0b9-480f-af6a-7a073ba4ca4f
relation.isAuthorOfPublicationb528ad98-76ab-49b3-ab15-d1644f908a48
relation.isAuthorOfPublicationa3fa00c3-3c10-4c1f-a73c-482e0b29f6bc
relation.isAuthorOfPublication.latestForDiscoverya3fa00c3-3c10-4c1f-a73c-482e0b29f6bc

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