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Impact of freshwater inputs on the spatial structure of benthic macroinvertebrate communities in two landlocked coastal lagoons

dc.contributor.authorFélix, Pedro
dc.contributor.authorCorreia, Maria
dc.contributor.authorChainho, Paula
dc.contributor.authorCosta, José Lino
dc.contributor.authorChaves, Maria Luisa
dc.contributor.authorCruz, Teresa
dc.contributor.authorCastro, João J.
dc.contributor.authorMirra, C.
dc.contributor.authorDomingos, Isabel
dc.contributor.authorSilva, A. C. F.
dc.contributor.authorCancela Da Fonseca, Luís
dc.date.accessioned2020-01-19T14:03:41Z
dc.date.available2020-01-19T14:03:41Z
dc.date.issued2015
dc.description.abstractLandlocked lagoons are naturally stressed environments. They are strongly influenced by freshwater input which not only varies naturally, but which is also impacted by anthropogenic activities. This study investigated the direct influence of freshwater discharges on the distribution patterns and abundance of benthic communities in two neighbouring landlocked coastal lagoons, assessing the whole system and the confluence area of each tributary. Sampling occurred in the wet and dry seasons of 2011 at two distances from freshwater discharge locations. Both lagoons were colonized by species from two different pools, freshwater and marine. Freshwater flow rates had a direct influence on the spatial structure of the benthic communities of brackish-water/freshwater interface areas, where also specific taxa can act as early indicators of freshwater input variations. The intensity of this influence is highly dependent on lagoon size, creating spatial heterogeneity or affecting the entire system. The benthic fauna at the confluence of the tributary that depends almost exclusively on groundwater showed the lowest variability, suggesting that the biogeochemical nature of the groundwater may be a central cause for setting specific ecotones. The results suggest that benthic communities of landlocked coastal lagoons can be highly impacted by flow reduction from freshwater aquifers under drought conditions or water abstraction activities.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s10750-015-2290-5pt_PT
dc.identifier.issn0018-8158
dc.identifier.urihttp://hdl.handle.net/10451/41015
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectMacroinvertebratespt_PT
dc.subjectSpatial distributionpt_PT
dc.subjectGroundwaterpt_PT
dc.subjectBrackish systemspt_PT
dc.subjectFreshwater influencept_PT
dc.subjectInterface areaspt_PT
dc.titleImpact of freshwater inputs on the spatial structure of benthic macroinvertebrate communities in two landlocked coastal lagoonspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage209pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage197pt_PT
oaire.citation.titleHydrobiologiapt_PT
oaire.citation.volume758pt_PT
person.familyNameFélix
person.familyNameCorreia
person.familyNameChainho de Oliveira
person.familyNameCosta
person.familyNameChaves
person.familyNameCruz
person.familyNameCastro
person.familyNameDomingos
person.familyNameCancela da Fonseca
person.givenNamePedro
person.givenNameMaria
person.givenNamePaula Maria
person.givenNameJosé Lino
person.givenNameMaria Luisa
person.givenNameTeresa
person.givenNameJoão
person.givenNameIsabel
person.givenNameLuís
person.identifier547019
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person.identifier.ciencia-id8C11-9F59-C341
person.identifier.ciencia-idC01F-F68E-2327
person.identifier.orcid0000-0002-0466-3464
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person.identifier.orcid0000-0002-3539-9942
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person.identifier.orcid0000-0002-8242-475X
person.identifier.orcid0000-0002-7468-5220
person.identifier.orcid0000-0002-0795-5614
person.identifier.orcid0000-0001-6527-0827
person.identifier.ridB-1737-2012
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person.identifier.scopus-author-id35573179700
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rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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