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Robustness of the Estuarine Fish Assessment Index (EFAI) regarding water body definition criteria

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dc.contributor.authorGonçalves, C. I.
dc.contributor.authorPasquaud, S.
dc.contributor.authorGamito, R.
dc.contributor.authorFonseca, V. F.
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.authorCastro, N.
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.authorCosta, M. J.
dc.contributor.authorCabral, H.
dc.date.accessioned2016-12-14T16:22:28Z
dc.date.available2016-12-14T16:22:28Z
dc.date.issued2012
dc.description.abstractAccording to the Water Framework Directive (WFD) transitional waters should be differentiated according to type and, in some cases, divided into different water bodies. This raises a dilemma in trying to define parts of a continuum. In the sequence of WFD several indices have been proposed including the Estuarine Fish Assessment Index, which can be applied taking an estuary as a whole (EFAI - without water bodies division) or divided in water bodies (EFAI(WB)). The purpose of this work is to analyze the robustness of the Estuarine Fish Assessment Index, based on three different ways of dividing Portuguese estuaries into water bodies according to different criteria (criterion 1 - distance to the estuary mouth, criterion 2 - salinity and criterion 3 - morphology, salinity and human dimension as pressure and state). In this study we evaluated at which degree these three criteria could influence the ecological quality ratio (EQR) results, when the index was applied to water body level (EFAI(WB)). Also, for each estuary, the EQR(WB) results for each criterion of EFAI(WB) were combined and weighted according to the water bodies areas (EFAI overall weighted - EFAI(Ow)). Finally, it was compared if the results obtained for each criterion with the EFAI(OW) were similar to the results of the index application taking the estuary as a whole (EFAI without water bodies division). No significant differences were found in both cases, which indicated that this index is a robust method regarding the division of the estuaries in different water bodies, which is an important element of a fish-based multimetric tool for assessing estuarine ecological quality. However, in some cases, different ecological quality statuses were achieved when applying the EFAI(Ow) or the EFAI. This work addressed several aspects regarding the possible division of water bodies at the WFD context. (C) 2012 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.ecolind.2012.02.001
dc.identifier.issn1470-160X
dc.identifier.otherAUT: KER00534; JGO02808;
dc.identifier.urihttp://hdl.handle.net/10400.1/8823
dc.language.isoeng
dc.publisherElsevier
dc.publisherElsevier
dc.relation.isbasedonWOS:000303788000001
dc.titleRobustness of the Estuarine Fish Assessment Index (EFAI) regarding water body definition criteria
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage8
oaire.citation.startPage1
oaire.citation.titleEcological Indicators
oaire.citation.volume20
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.latestForDiscoverye20f0e2d-3085-4c37-9e98-260dc9faddea

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