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Ecological quality assessment of transitional waters based on fish assemblages in Portuguese estuaries: The Estuarine Fish Assessment Index (EFAI)

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dc.contributor.authorCabral, H. N.
dc.contributor.authorFonseca, V. F.
dc.contributor.authorGamito, R.
dc.contributor.authorGonçalves, C. I.
dc.contributor.authorCosta, J. L.
dc.contributor.authorErzini, Karim
dc.contributor.authorGonçalves, Jorge Manuel Santos
dc.contributor.authorMartins, J.
dc.contributor.authorLeite, L.
dc.contributor.authorAndrade, José Pedro
dc.contributor.authorRamos, S.
dc.contributor.authorBordalo, A.
dc.contributor.authorAmorim, E.
dc.contributor.authorNeto, J. M.
dc.contributor.authorMarques, J. C.
dc.contributor.authorRebelo, J. E.
dc.contributor.authorSilva, C.
dc.contributor.authorCastro, N.
dc.contributor.authorAlmeida, P. R.
dc.contributor.authorDomingos, I.
dc.contributor.authorGordo, L. S.
dc.contributor.authorCosta, M. J
dc.date.accessioned2016-12-14T16:22:24Z
dc.date.available2016-12-14T16:22:24Z
dc.date.issued2012
dc.description.abstractThe assessment of water quality has changed markedly worldwide over the last years, especially in Europe due to the implementation of the Water Framework Directive. Fish was considered a key-element in this context and several fish-based multi-metric indices have been proposed. In this study, we propose a multi-metric index, the Estuarine Fish Assessment Index (EFAI), developed for Portuguese estuaries, designed for the overall assessment of transitional waters, which could also be applied at the water body level within an estuary. The EFAI integrates seven metrics: species richness, percentage of marine migrants, number of species and abundance of estuarine resident species, number of species and abundance of piscivorous species, status of diadromous species, status of introduced species and status of disturbance sensitive species. Fish sampling surveys were conducted in 2006, 2009 and 2010, using beam trawl, in 13 estuarine systems along the Portuguese coast. Most of the metrics presented a high variability among the transitional systems surveyed. According to the EFAI values, Portuguese estuaries presented a "Good" water quality status (except the Douro in a particular year). The assessments in different years were generally concordant, with a few exceptions. The relationship between the EFAI and the Anthropogenic Pressure Index (API) was not significant, but a negative and significant correlation was registered between the EFAI and the expert judgement pressure index, at both estuary and water body level. The ordination analysis performed to evaluate similarities among North-East Atlantic Geographical Intercalibration Group (NEAGIG) fish-based indices put in evidence four main groups: the French index, since it is substantially different from all the other indices (uses only four metrics based on densities); indices from Ireland, United Kingdom and Spain (Asturias and Cantabria); the Dutch and German indices; and the indices of Belgium. Portugal and Spain (Basque country). The need for detailed studies, including comparative approaches, on several aspects of these assessment tools, especially in what regards their response to anthropogenic pressures was stressed. (C) 2011 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.ecolind.2011.08.005
dc.identifier.issn1470-160X
dc.identifier.otherAUT: KER00534
dc.identifier.urihttp://hdl.handle.net/10400.1/8787
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.isbasedonWOS:000302891100015
dc.titleEcological quality assessment of transitional waters based on fish assemblages in Portuguese estuaries: The Estuarine Fish Assessment Index (EFAI)
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage153
oaire.citation.startPage144
oaire.citation.titleEcological Indicators
oaire.citation.volume19
person.familyNameErzini
person.familyNameGonçalves
person.familyNameAndrade
person.givenNameKarim
person.givenNameJorge Manuel Santos
person.givenNameJose
person.identifier356846
person.identifier.ciencia-idD917-7133-341A
person.identifier.ciencia-id1013-ED6A-65EB
person.identifier.ciencia-idD514-1A21-F020
person.identifier.orcid0000-0002-1411-0126
person.identifier.orcid0000-0001-7704-8190
person.identifier.orcid0000-0002-5482-9776
person.identifier.ridM-5216-2013
person.identifier.ridG-5206-2011
person.identifier.scopus-author-id7004015948
person.identifier.scopus-author-id7103326116
person.identifier.scopus-author-id7201722097
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublicatione20f0e2d-3085-4c37-9e98-260dc9faddea
relation.isAuthorOfPublicationdd7829e9-e294-4297-8fb2-adf83c8623cf
relation.isAuthorOfPublication8f1ffbdc-85aa-4342-8bd8-61eb6d6be74e
relation.isAuthorOfPublication.latestForDiscovery8f1ffbdc-85aa-4342-8bd8-61eb6d6be74e

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