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Age and growth of a highly successful invasive species: the Manila clam Ruditapes philippinarum (Adams & Reeve, 1850) in the Tagus Estuary (Portugal)

2017-06Journal article Open Access
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dc.contributor.authorMoura, Paula
dc.contributor.authorGaraulet, Lucia L.
dc.contributor.authorVasconcelos, Paulo
dc.contributor.authorChainho, Paula
dc.contributor.authorCosta, Jose Lino
dc.contributor.authorGaspar, Miguel
dc.date.accessioned2018-12-07T14:53:28Z
dc.date.available2018-12-07T14:53:28Z
dc.date.issued2017-06
dc.description.abstractThe Manila clam Ruditapes philippinarum (Adams & Reeve, 1850) was introduced in several regions worldwide where it is permanently established. In Portuguese waters, the colonisation of the Tagus Estuary by this invasive species coincided with a significant decrease in abundance of the native Ruditapes decussatus (Linnaeus, 1758). This study aimed to estimate the age and growth of the Manila clam, to compare the growth performance between R. philippinarum and R. decussatus in several locations worldwide, and to ascertain whether the Manila clam's growth patterns contributed to the extensive distribution of this invasive bivalve in the Tagus Estuary. The growth of R. philippinarum in the Tagus Estuary was described through the von Bertalanffy equation SLt=65.2[1-e(-0.34(t+0.93))],corresponding to a phi-prime index (phi') of 3.160 and an overall growth performance of 4.974. This growth performance is the second highest recorded for R. philippinarum worldwide and was much higher than that of R. decussatus from Portugal. This study confirmed that the Tagus Estuary presents near-ideal environmental conditions for growth of the Manila clam. R. philippinarum displayed clearly invasive behaviour, spreading widely and growing faster than the native R. decussatus, which certainly contributed to the decline of its populations in the Tagus Estuary.
dc.description.sponsorshipFundacao para a Ciencia e Tecnologia (FCT Portugal) [SFRH/BPD/26348/2006]; project "Ameijoajaponesa - estado actual da populacao do estuario do Tejo, impactos e gestao da apanha"; Fisheries Operational Programme (PROMAR); European Fisheries Fund (EFF); strategic plan of MARE - Marine and Environmental Sciences Centre [UID/MAR/04292/2013]; FCT [UID/Multi/04326/2013]
dc.identifier.doi10.3391/ai.2017.12.2.02
dc.identifier.issn1798-6540
dc.identifier.issn1818-5487
dc.identifier.urihttp://hdl.handle.net/10400.1/11528
dc.language.isoeng
dc.peerreviewedyes
dc.publisherRegional Euro-Asian Biological Invasions Centre-Reabic
dc.relationPortugal Twinning for innovation and excellence in marine science and Earth observation
dc.subjectCoast southern Portugal
dc.subjectBody size
dc.subjectPopulation structure
dc.subjectTapes philippinarum
dc.subjectReproductive cycle
dc.subjectMarine bivalves
dc.subjectFish community
dc.subjectVenice lagoon
dc.subjectArcachon bay
dc.subjectShell
dc.subjectDieta mediterrânica
dc.titleAge and growth of a highly successful invasive species: the Manila clam Ruditapes philippinarum (Adams & Reeve, 1850) in the Tagus Estuary (Portugal)
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePortugal Twinning for innovation and excellence in marine science and Earth observation
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/810139/EU
oaire.citation.endPage146
oaire.citation.issue2
oaire.citation.startPage133
oaire.citation.titleAquatic Invasions
oaire.citation.volume12
oaire.fundingStreamH2020
person.familyNameGaspar
person.givenNameMiguel
person.identifier.ciencia-idF719-07AC-E41F
person.identifier.orcid0000-0001-9245-8518
person.identifier.ridF-5398-2011
person.identifier.scopus-author-id23501123500
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublication6185b7ee-acc9-4a7e-a7db-37384e94f4df
relation.isAuthorOfPublication.latestForDiscovery6185b7ee-acc9-4a7e-a7db-37384e94f4df
relation.isProjectOfPublication5f909647-6b8b-4d3d-8637-811ca0fd4b2f
relation.isProjectOfPublication.latestForDiscovery5f909647-6b8b-4d3d-8637-811ca0fd4b2f

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