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Preliminary insight into winter native fish assemblages in guadiana estuary salt marshes coping with environmental variability and non-indigenous fish introduction

2017-10-26Artigo científico Acesso aberto
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg15:Proteger a Vida Terrestre
datacite.subject.sdg02:Erradicar a Fome
dc.contributor.authorGoncalves, Renata
dc.contributor.authorTeodosio, Maria
dc.contributor.authorCruz, Joana
dc.contributor.authorBen-Hamadou, Radhouan
dc.contributor.authorCorreia, Ana Dulce
dc.contributor.authorChicharo, Luis
dc.date.accessioned2026-02-24T11:45:26Z
dc.date.available2026-02-24T11:45:26Z
dc.date.issued2017-10-26
dc.description.abstractThis work aims to undertake a preliminary characterization of winter fish assemblages in the salt marsh areas of Guadiana lower estuary (South-East Portugal) and discusses the potential risks of habitat dominance by a non-indigenous species (NIS). To this effect, six field campaigns were carried out in four sampling sites during winter season targeting the collection of fish species. A total of 48 samples were collected. Individuals from seven different taxa (marine and estuarine) were collected, although the assemblage was dominated by two estuarine species—the native Pomatoschistus sp. (goby) and the NIS Fundulus heteroclitus (mummichog). Goby was the most abundant taxa in the majority of salt marsh habitats, except for one specific, marsh pool, where extreme environmental conditions were registered, namely high temperature and salinity. Such conditions may have boosted the intrusion of mummichog in this area. This species is well adapted to a wide range of abiotic factors enabling them to colonize habitats where no predators inhabit. Impacts of mummichog introduction in the Guadiana salt marsh area are still unpredictable since this is the first time they have been recorded in such high density. Nevertheless, in scenarios of increased anthropogenic pressure and, consequently, habitat degradation, there is a potential risk of mummichog spreading to other habitats and therefore competing for space and food resources with native species.eng
dc.identifier.doi10.3390/fishes2040019
dc.identifier.issn2410-3888
dc.identifier.urihttp://hdl.handle.net/10400.1/28234
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationROLE OF GUADIANA ESTUARINE WETLANDS AS A NURSERY AREA FOR FISH UNDER CLIMATE CHANGE & ANTHROPOGENIC PRESSURES. UNDERSTAND, MODEL AND DEVELOP ECOHYDROLOGICAL RESTORATION TECHNIQUES
dc.relationCentre of Marine Sciences
dc.relation.ispartofFishes
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPomatoschistus sp.
dc.subjectFundulus heteroclitus
dc.subjectTemperature
dc.subjectSalinity
dc.subjectAnthropogenic pressures
dc.subjectHabitat degradation
dc.titlePreliminary insight into winter native fish assemblages in guadiana estuary salt marshes coping with environmental variability and non-indigenous fish introductioneng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleROLE OF GUADIANA ESTUARINE WETLANDS AS A NURSERY AREA FOR FISH UNDER CLIMATE CHANGE & ANTHROPOGENIC PRESSURES. UNDERSTAND, MODEL AND DEVELOP ECOHYDROLOGICAL RESTORATION TECHNIQUES
oaire.awardTitleCentre of Marine Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F47985%2F2008/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMulti%2F04326%2F2013/PT
oaire.citation.issue4
oaire.citation.titleFishes
oaire.citation.volume2
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameGoncalves
person.familyNameTeodosio
person.familyNameCruz
person.familyNameChicharo
person.givenNameRenata
person.givenNameMaria
person.givenNameJoana
person.givenNameLuis
person.identifier1810506
person.identifier.ciencia-idFD18-9673-BD82
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.ciencia-idDA1E-EE64-65FA
person.identifier.ciencia-id6716-EE1C-B995
person.identifier.orcid0000-0003-4163-9479
person.identifier.orcid0000-0002-0939-9885
person.identifier.orcid0000-0002-7191-9204
person.identifier.orcid0000-0002-4933-2300
person.identifier.ridB-5077-2013
person.identifier.ridI-9043-2017
person.identifier.scopus-author-id56196396700
person.identifier.scopus-author-id57194288680
person.identifier.scopus-author-id6602881426
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
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