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Trophic niche overlap between native freshwater mussels (Order: Unionida) and the invasive Corbicula fluminea

2021Journal article Open access
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dc.contributor.authorModesto, Vanessa
dc.contributor.authorDias, Ester
dc.contributor.authorIlarri, Martina
dc.contributor.authorLopes-Lima, Manuel
dc.contributor.authorTeixeira, Amílcar
dc.contributor.authorVarandas, Simone
dc.contributor.authorCastro, Paulo S.
dc.contributor.authorAntunes, Carlos
dc.contributor.authorSousa, Ronaldo
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-30T17:11:11Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-30T17:11:11Z
dc.date.issued2021
dc.description.abstractFreshwater mussels (Order Unionida) are highly threatened. Interspecific competition for food sources with invasive alien species is considered to be one of the factors responsible for their decline because successful invaders are expected to have wider trophic niches and more flexible feeding strategies than their native counterparts. In this study, carbon (δ13C: 13C/12C) and nitrogen (δ15N: 15N/14N) stable isotopes were used to investigate the trophic niche overlap between the native freshwater mussel species, Anodonta anatina, Potomida littoralis, and Unio delphinus, and the invasive bivalve Corbicula fluminea living in sympatry in the Tua basin (south-west Europe). The species presenting the widest trophic niches were C. fluminea and A. anatina, which indicate that they have broader diets than U. delphinus and P. littoralis. Nonetheless, all the species assimilated microphytobenthos, sediment organic matter, and detritus derived from vascular plants, although with interspecific variability in the assimilated proportions of each source. The trophic niche of the invasive species overlapped with the trophic niche of all the native species, with the extent varying between sites and according to the species. From the three native species analysed, Potomida littoralis may be at a higher risk for competition for food with C. fluminea in the Tua basin, if food sources become limited, because this native mussel presented the narrowest trophic niche across sites and the highest probability of overlapping with the trophic niche of C. fluminea. Given the global widespread distribution of C. fluminea, the implementation of management measures devoted to the control or even eradication of this invasive alien species should be a conservation priority given its potential for competition with highly threatened native freshwater mussels.en_EN
dc.description.sponsorshipV.M. and P.C. were supported by doctoral grants SFRH/BD/108298/2015 and SFRH/BD/131814/2017, respectively, from the Portuguese Foundation for Science and Technology—FCT through POPH/FSE funds. FCT also supported M.L.L. under contract (2020.03608.CEECIND). This study was conducted within the project FRESHCO – Multiple implications of invasive species on Freshwater Mussel coextinction processes, supported by FCT and COMPETE funds (contract: PTDC/AGRFOR/1627/2014). This study was also supported by national funds through FCT – Foundation for Science and Technology within the scope of UIDB/04423/2020 and UIDP/04423/2020. We thank Jacinto Cunha for providing Figure 1.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationModesto, Vanessa; Dias, Ester; Ilarri, Martina; Lopes-Lima, Manuel; Teixeira, Amílcar; Varandas, Simone; Castro, Paulo; Antunes, Carlos; Sousa, Ronaldo (2021). Trophic niche overlap between native freshwater mussels (Order: Unionida) and the invasive Corbicula fluminea. Aquatic Conservation: Marine and Freshwater Ecosystems. ISSN 1052-7613. 31:8, p. 2058-2071en_EN
dc.identifier.doi10.1002/aqc.3618en_EN
dc.identifier.issn1052-7613
dc.identifier.urihttp://hdl.handle.net/10198/20668
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationNovo: Impacts of the invasive species Corbicula fluminea on native freshwater mussels Antigo: Can freshwater bivalves be used as a biofilter
dc.relationResistance and resilience of threatened Iberian freshwater mussels to climate change
dc.relationMultiple implications of invasive species on Freshwater Mussel coextinction processes.
dc.relationInterdisciplinary Centre of Marine and Environmental Research
dc.relationInterdisciplinary Centre of Marine and Environmental Research
dc.subjectAsian clamen_EN
dc.subjectInvasive alien speciesen_EN
dc.subjectStable isotopesen_EN
dc.subjectSympatryen_EN
dc.subjectTrophic interactionsen_EN
dc.titleTrophic niche overlap between native freshwater mussels (Order: Unionida) and the invasive Corbicula flumineaen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNovo: Impacts of the invasive species Corbicula fluminea on native freshwater mussels Antigo: Can freshwater bivalves be used as a biofilter
oaire.awardTitleResistance and resilience of threatened Iberian freshwater mussels to climate change
oaire.awardTitleMultiple implications of invasive species on Freshwater Mussel coextinction processes.
oaire.awardTitleInterdisciplinary Centre of Marine and Environmental Research
oaire.awardTitleInterdisciplinary Centre of Marine and Environmental Research
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F108298%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F131814%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FAGR-FOR%2F1627%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04423%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04423%2F2020/PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameTeixeira
person.givenNameAmilcar
person.identifier2153193
person.identifier.ciencia-id9510-3CF3-0393
person.identifier.orcid0000-0001-5336-1174
person.identifier.scopus-author-id7202385393
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.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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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