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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)

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dc.contributor.authorMoura, Paula
dc.contributor.authorGaraulet, Lucía
dc.contributor.authorVasconcelos, Paulo
dc.contributor.authorChainho, Paula
dc.contributor.authorCosta, José Lino
dc.contributor.authorGaspar, Miguel
dc.date.accessioned2019-06-25T11:12:05Z
dc.date.available2019-06-25T11:12:05Z
dc.date.issued2017
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 (φ’) 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.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3391/ai.2017.12.2.02pt_PT
dc.identifier.issn1798-6540
dc.identifier.urihttp://hdl.handle.net/10451/38828
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectacetate peel techniquept_PT
dc.subjectvon Bertalanffy growth functionpt_PT
dc.subjectoverall growth performancept_PT
dc.subjectphi-prime indexpt_PT
dc.subjectinterspecific competitionpt_PT
dc.subjectRuditapes decussatuspt_PT
dc.titleAge and growth of a highly successful invasive species: the Manila clam Ruditapes philippinarum (Adams & Reeve, 1850) in the Tagus Estuary (Portugal)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage146pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage133pt_PT
oaire.citation.titleAquatic Invasionspt_PT
oaire.citation.volume12pt_PT
person.familyNameChainho de Oliveira
person.familyNameCosta
person.givenNamePaula Maria
person.givenNameJosé Lino
person.identifier.ciencia-id8417-2F86-DF11
person.identifier.ciencia-id7519-E986-8350
person.identifier.orcid0000-0002-3539-9942
person.identifier.orcid0000-0002-3843-4635
person.identifier.scopus-author-id7402461424
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication77050eda-da9e-4127-9f94-215d48048703
relation.isAuthorOfPublicationa70b601c-dcd7-4098-9ee2-73e1f2c722af
relation.isAuthorOfPublication.latestForDiscoverya70b601c-dcd7-4098-9ee2-73e1f2c722af

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