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Invasion genetics of the mummichog (Fundulus heteroclitus): recent anthropogenic introduction in Iberia

2019Journal article Open access
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dc.contributor.authorMorim, Teófilo
dc.contributor.authorBigg, Grant R.
dc.contributor.authorMadeira, Pedro M.
dc.contributor.authorPalma, Jorge
dc.contributor.authorDuvernell, David D.
dc.contributor.authorGisbert, Enric
dc.contributor.authorLopes Da Cunha, Regina
dc.contributor.authorCastilho, Rita
dc.date.accessioned2019-04-08T10:54:46Z
dc.date.available2019-04-08T10:54:46Z
dc.date.issued2019
dc.description.abstractHuman activities such as trade and transport have increased considerably in the last decades, greatly facilitating the introduction and spread of non-native species at a global level. In the Iberian Peninsula, Fundulus heteroclitus, a small euryhaline coastal fish with short dispersal, was found for the first time in the mid-1970s. Since then, F. heteroclitus has undergone range expansions, colonizing the southern region of Portugal, southwestern coast of Spain and the Ebro Delta in the Mediterranean Sea. Cytochrome b sequences were used to elucidate the species invasion pathway in Iberia. Three Iberian locations (Faro, Cádiz and Ebro Delta) and 13 other locations along the native range of F. heteroclitus in North America were sampled. Results revealed a single haplotype, common to all invasive populations, which can be traced to the northern region of the species' native range. We posit that the origin of the founder individuals is between New York and Nova Scotia. Additionally, the lack of genetic structure within Iberia is consistent with a recent invasion scenario and a strong founder effect. We suggest the most probable introduction vector is associated with the aquarium trade. We further discuss the hypothesis of a second human-mediated introduction responsible for the establishment of individuals in the Ebro Delta supported by the absence of adequate muddy habitats linking Cádiz and the Ebro Delta. Although the species has a high tolerance to salinity and temperature, ecological niche modelling indicates that benthic habitat constraints prevent along-shore colonisation suggesting that such expansions would need to be aided by human release.pt_PT
dc.description.sponsorshipFCT strategic plan UID/Multi/04326/2016 FCT (Fundacao para a Ciencia e Tecnologia, Portugal) SFRH/BPD/109685/2015 FSE (Fundo Social Europeu) NSF OCE-0221879pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.7717/peerj.6155pt_PT
dc.identifier.issn2167-8359
dc.identifier.urihttp://hdl.handle.net/10400.1/12458
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherPeerJpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectInvasive speciespt_PT
dc.subjectIntroduction vectorpt_PT
dc.subjectCytochrome bpt_PT
dc.subjectMitochondrial DNApt_PT
dc.titleInvasion genetics of the mummichog (Fundulus heteroclitus): recent anthropogenic introduction in Iberiapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPagee6155pt_PT
oaire.citation.titlePeerJpt_PT
oaire.citation.volume7pt_PT
person.familyNameMorim
person.familyNameMadeira
person.familyNamePalma
person.familyNameGisbert
person.familyNameLopes da Cunha
person.familyNameCastilho
person.givenNameTeófilo
person.givenNamePedro
person.givenNameJorge
person.givenNameEnric
person.givenNameRegina
person.givenNameRita
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person.identifier.orcid0000-0003-3334-2106
person.identifier.orcid0000-0002-2802-0957
person.identifier.orcid0000-0002-5790-3433
person.identifier.orcid0000-0002-7457-8468
person.identifier.orcid0000-0002-4275-9723
person.identifier.orcid0000-0003-0727-3688
person.identifier.ridB-3654-2011
person.identifier.ridM-3463-2013
person.identifier.ridB-6185-2008
person.identifier.scopus-author-id7101903881
person.identifier.scopus-author-id8855869800
person.identifier.scopus-author-id56271196600
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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