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Water quality for bivalve molluscs and consumer safety: application of novel and adapted multimetric indices in a coastal lagoon system exposed to wastewater discharges

2025-05Artigo científico Acesso aberto
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dc.contributor.authorCravo, Alexandra
dc.contributor.authorBarbosa, Ana
dc.contributor.authorBorlido Oliveira Lima, Maria João
dc.contributor.authorFerreira, Cristina
dc.contributor.authorCorreia, Cátia
dc.contributor.authorMatos, André Filipe
dc.contributor.authorJacob, José
dc.contributor.authorCaetano, Sandra
dc.date.accessioned2025-04-07T09:16:06Z
dc.date.available2025-04-07T09:16:06Z
dc.date.issued2025-05
dc.description.abstractWater quality degradation associated with wastewater discharges compromises the production of marine living resources. Water quality indices (WQIs) are relevant tools for water quality management, but most applications are limited to the suitability of freshwater for drinking. In this study, a novel WQI was developed to assess the effects of urban wastewater treatment plant (WWTP) discharges on the water quality in Ria Formosa coastal lagoon, targeting the condition of bivalve molluscs and consumer food safety (WQIB). The application of WQIB was compared with an adapted version of the Canadian Council of Ministers of the Environment Water Quality Index, using similar parameters (CCME-WQIB). WQIB and CCME-WQIB were applied to four areas next to WWTPs, over a 2-year period. WQIB integrated seven sub-indices (salinity, unionized ammonia, dissolved oxygen, suspended solids, chlorophyll-a, Escherichia coli and toxigenic phytoplankton), using a weighted additive aggregation function. Water quality ranged from very poor to very good and generally improved with distance from the effluent discharge points, and during the cold period. Highest influence of WWTP discharges was detected in areas under weak hydrodynamics. In areas under strong hydrodynamics, poor water quality was caused by the advection of toxigenic phytoplankton from adjacent coastal waters during the warm period. Although correlated, the use of WQIB should be preferred over CCME-WQIB due its greater sensitivity, use of weighted parameters and application at the sampling event scale. Our novel index extends the limited number of WQIs applied to marine systems and can be adapted to other systems and water use purposes.eng
dc.description.sponsorshipMar-01.04.02-FEAMP-0003;
dc.identifier.doi10.1016/j.marpolbul.2025.117814
dc.identifier.issn0025-326X
dc.identifier.urihttp://hdl.handle.net/10400.1/26984
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.relationAquatic Research Infrastructure Network
dc.relation.ispartofMarine Pollution Bulletin
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectWater quality indices
dc.subjectCoastal lagoons
dc.subjectWastewater discharges
dc.subjectBivalve condition
dc.subjectFood safety
dc.titleWater quality for bivalve molluscs and consumer safety: application of novel and adapted multimetric indices in a coastal lagoon system exposed to wastewater dischargeseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00350%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0069%2F2020/PT
oaire.citation.startPage117814
oaire.citation.titleMarine Pollution Bulletin
oaire.citation.volume214
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCravo
person.familyNameBarbosa
person.familyNameBorlido Oliveira Lima
person.familyNameFerreira
person.familyNameCorreia
person.familyNameMatos
person.familyNameJacob
person.familyNameCaetano
person.givenNameAlexandra
person.givenNameAna
person.givenNameMaria João
person.givenNameCristina
person.givenNameCátia
person.givenNameAndré Filipe
person.givenNameJosé
person.givenNameSandra
person.identifier.ciencia-id7419-EE20-8039
person.identifier.ciencia-idF514-2180-4CF8
person.identifier.ciencia-idDE10-78F7-6E02
person.identifier.ciencia-id3017-A30B-6C8E
person.identifier.ciencia-id2F1C-2A1C-C7D4
person.identifier.ciencia-id7210-CCF6-4C5E
person.identifier.ciencia-id5815-EE93-D672
person.identifier.orcid0000-0002-2569-3929
person.identifier.orcid0000-0002-7402-246X
person.identifier.orcid0000-0001-9401-0661
person.identifier.orcid0000-0001-5631-1199
person.identifier.orcid0000-0002-2228-5292
person.identifier.orcid0000-0001-7271-4502
person.identifier.orcid0000-0001-9718-7470
person.identifier.scopus-author-id7103244778
person.identifier.scopus-author-id36552467800
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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