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Impact of trematodes on the population structure and shell shape of the estuarine mud snail Hydrobia ulvae from a Southern European estuary.pdf

2014-06Artigo científico Acesso restrito
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datacite.subject.fosCiências Naturais::Ciências Biológicas
datacite.subject.fosCiências Naturais::Ciências da Terra e do Ambiente
datacite.subject.sdg14:Proteger a Vida Marinha
dc.contributor.authorBordalo, Maria D.
dc.contributor.authorFerreira, Susana M. F.
dc.contributor.authorJensen, Kurt T.
dc.contributor.authorPardal, Miguel A.
dc.date.accessioned2026-05-20T13:47:36Z
dc.date.available2026-05-20T13:47:36Z
dc.date.issued2014-06
dc.description.abstractThe occurrence of trematodes within the gastropod Hydrobia ulvae was studied in two areas (a Zostera noltii bed and a eutrophic area) in the Mondego Estuary, Portugal. The aim was to assess trematode infections across snail age classes, as well as to investigate any influence of parasitism on the shell shape and size of these gastropods. In the Z. noltii bed, infection occurred in snails with shell height of 1.5-6 mm, but a higher prevalence was seen in intermediate size classes (3-5 mm). Infected individuals were never found among the elder gastropods. In the eutrophic area, infection was commonly observed within small individuals (1.6-2.5 mm), as large individuals were rarely found. The warm temperate climate in this coastal system may cause infected specimens to die before they can grow to larger dimensions, in contrast to Northern European populations. The frequency of snails with thin, distorted and corroded shells was higher among infected than non-infected snails. Infected individuals were frequently colonized by epibionts that may have additional detrimental effects and probably promote shell erosion. Infection with trematodes and their influence on snail size needs consideration in the evaluation of parameters related to population dynamics and population structure. If the implications of parasite infection are ignored, inadequate decisions about ecosystem management may be taken, resulting mainly from erroneous assessment of population structure, age composition and ecological longevity. The role of parasites is especially important to consider for systems under environmental stress.eng
dc.description.sponsorshipThis work was supported by FCT (Portuguese Science and Technology Foundation) through a PhD grant awarded to M. D. Bordalo (SFRH/BD/42320/2007). The authors are indebted to all colleagues who helped with the field and laboratory work.
dc.identifier.citationBordalo, M. D., Ferreira, S. M. F., Jensen, K. T., & Pardal, M. A. (2014). Impact of trematodes on the population structure and shell shape of the estuarine mud snail Hydrobia ulvae from a Southern European estuary. Marine Ecology, 35(Suppl. 1), 1-10. https://doi.org/10.1111/maec.12086
dc.identifier.doi10.1111/maec.12086
dc.identifier.issn0173-9565
dc.identifier.issn1439-0485
dc.identifier.urihttp://hdl.handle.net/10400.8/16308
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relationTHE EFFECTS OF PESTICIDES ON ESTUARINE COMMUNITIES IN A SHALLOW TEMPERATE SYSTEM
dc.relation.hasversionhttps://onlinelibrary.wiley.com/doi/full/10.1111/maec.12086
dc.relation.ispartofMarine Ecology
dc.rights.uriN/A
dc.subjectDigenean
dc.subjectEpibionts
dc.subjectGastropod intermediate host
dc.subjectMondego Estuary
dc.subjectParasitism
dc.subjectShell morphology
dc.subjectShell size
dc.titleImpact of trematodes on the population structure and shell shape of the estuarine mud snail Hydrobia ulvae from a Southern European estuary.pdfeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberSFRH/BD/42320/2007
oaire.awardTitleTHE EFFECTS OF PESTICIDES ON ESTUARINE COMMUNITIES IN A SHALLOW TEMPERATE SYSTEM
oaire.awardURIhttp://hdl.handle.net/10400.8/16307
oaire.citation.endPage10
oaire.citation.issues1
oaire.citation.startPage1
oaire.citation.titleMarine Ecology
oaire.citation.volume35
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameFerreira
person.givenNameSusana
person.identifier.orcid0000-0002-9969-2507
person.identifier.ridL-3547-2013
relation.isAuthorOfPublication2d5a1035-3600-4c05-b35c-72b2af186ac8
relation.isAuthorOfPublication.latestForDiscovery2d5a1035-3600-4c05-b35c-72b2af186ac8
relation.isProjectOfPublication20c9a03b-8a35-498a-bc17-0e26403b8377
relation.isProjectOfPublication.latestForDiscovery20c9a03b-8a35-498a-bc17-0e26403b8377

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