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Environmental triggers of faunal changes revealed by benthic foraminiferal monitoring

dc.contributor.authorSchoenfeld, Joachim
dc.contributor.authorMendes, Isabel
dc.date.accessioned2021-09-08T10:57:52Z
dc.date.available2021-09-08T10:57:52Z
dc.date.issued2021-05
dc.description.abstractBenthic foraminifera are deemed sensitive indicators of environmental conditions. Triggers and magnitudes of faunal response to environmental changes are yet poorly constrained. Benthic foraminiferal faunas were monitored annually at Ria Formosa (Algarve, Portugal) coastal lagoon since 2013. Distinct environmental changes were recognised during the monitoring period. The relocation of a tidal inlet in winter 2015 effected faster flushing, higher tidal levels, and stronger currents in the Esteiro do Ancao tidal channel. The epibenthic foraminiferal species Asterigerinata mamilla increased in abundance and the population densities of the whole fauna were double as high as before inlet relocation. Enhanced sediment redeposition was recorded and extensive polychaete colonies successively replaced firmground patches with oysters. The standing stock of the foraminiferal fauna declined in the next year due to food impoverishment, while the high hydraulic energy levels and high percentages of Asterigerinata mamilla maintained. Benthic foraminifera responded much faster to environmental perturbations than macroorganisms identifying them as powerful proxies in environmental studies.
dc.identifier.doi10.1016/j.ecss.2021.107313
dc.identifier.issn0272-7714
dc.identifier.urihttp://hdl.handle.net/10400.1/16962
dc.language.isoeng
dc.peerreviewedyes
dc.publisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
dc.subjectRia Formosa
dc.subjectBackbarrier beach
dc.subjectForaminifera
dc.subjectPolychaeta
dc.subjectSediment
dc.subjectCurrent
dc.subject.otherMarine & Freshwater Biology; Oceanography
dc.titleEnvironmental triggers of faunal changes revealed by benthic foraminiferal monitoring
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/DL 57%2F2016/3685/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/158003/PT
oaire.citation.startPage107313
oaire.citation.titleEstuarine Coastal and Shelf Science
oaire.citation.volume253
oaire.fundingStreamDL 57/2016
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMendes
person.givenNameIsabel Maria de Paiva Pinto
person.identifier.ciencia-id5C15-242C-FDC0
person.identifier.orcid0000-0001-7004-7910
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
rcaap.rightsrestrictedAccess
rcaap.typearticle
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