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Seasonal, tidal and diurnal changes in fish assemblages in the Ria Formosa lagoon (Portugal)

dc.contributor.authorRibeiro, J.
dc.contributor.authorBentes, L.
dc.contributor.authorCoelho, R.
dc.contributor.authorGonçalves, Jorge Manuel Santos
dc.contributor.authorLino, P. G.
dc.contributor.authorMonteiro, P.
dc.contributor.authorErzini, Karim
dc.date.accessioned2016-12-14T16:22:28Z
dc.date.available2016-12-14T16:22:28Z
dc.date.issued2006
dc.description.abstractFish fauna were collected in two different subtidal shallow sites, seagrass and sand, using a small beam trawl in the Ria Formosa lagoon (South Portugal). Samples were taken at low and high tides, during day and night, and in each season. Fish assemblages associated with each site were significantly different, with seagrass site supporting greater fish abundance and higher number of species than sand. These site-related differences in fish assemblages were stronger than any other factor studied. Both sites showed seasonal variations in their fish assemblages, mainly because of recruitment of marine juvenile migrants during spring and summer. No significant tidal or diel changes were observed in the fish assemblages of either site, but there was a significant site-tide interaction, with higher fish abundance in seagrass at low tide. In sand, tide effect was evident only for certain species, with resident species more abundant at high tide and marine species more abundant at low tide. Within the Ria Formosa coastal lagoon, ichthyofaunal composition and structure is mainly influenced by site followed by season. (c) 2005 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.ecss.2005.11.036
dc.identifier.issn0272-7714
dc.identifier.urihttp://hdl.handle.net/10400.1/8824
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.isbasedonWOS:000236651900011
dc.titleSeasonal, tidal and diurnal changes in fish assemblages in the Ria Formosa lagoon (Portugal)
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage474
oaire.citation.issue3
oaire.citation.startPage461
oaire.citation.titleEstuarine Coastal And Shelf Science
oaire.citation.volume67
person.familyNameBentes
person.familyNameCoelho
person.familyNameGonçalves
person.familyNameLino
person.familyNameMonteiro
person.familyNameErzini
person.givenNameLuis
person.givenNameRui
person.givenNameJorge Manuel Santos
person.givenNamePedro
person.givenNamePedro
person.givenNameKarim
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