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Tidal variability of phytoplankton and their environmental drivers in the freshwater reaches of the Guadiana estuary (SW Iberia)

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dc.contributor.authorDomingues, Rita B.
dc.contributor.authorAnselmo, Tânia P.
dc.contributor.authorBarbosa, Ana B.
dc.contributor.authorSommer, Ulrich
dc.contributor.authorGalvão, Helena M.
dc.date.accessioned2012-11-29T14:48:44Z
dc.date.available2012-11-29T14:48:44Z
dc.date.issued2010
dc.description.abstractThe effects of different phases of semidiurnal and spring-neap tidal cycles on phytoplankton and environmental drivers were evaluated in a tidal, freshwater location of a mesotidal estuary (Guadiana estuary, SW Iberia). An Eulerian approach was used and sampling covered different seasons during 2008. Samples were collected during spring and neap tides, at high tide, mid-ebb, low tide and mid-flood. Several physical-chemical variables were measured, as well as phytoplankton abundance and biomass. Salinity was higher at high-tide and suspended particulate matter was higher during spring tides and flood, due to higher vertical mixing and resuspension of bottom sediments. Chlorophyll a concentration during winter and summer neap tides was higher than during spring tides, whilst the abundance of pennate diatoms was higher during winter and Spring spring tides than during neap tides, probably reflecting differences in river discharge. Overall, tidally-induced differences detected in the freshwater tidal reaches of the Guadiana estuary were not as considerable as those observed in the lower estuary. However, the occurrence of tidally-induced variability in some seasons reflects that thorough sampling programs to study estuarine tidal dynamics should be conducted throughout the year. Occasional sampling will not reflect the typical variability of these highly dynamic systems.por
dc.identifier.citationDomingues, RB, TP Anselmo, AB Barbosa, U Sommer, and HM Galvão, 2010. Tidal variability of phytoplankton and their environmental drivers in the freshwater reaches of the Guadiana estuary (SW Iberia). International Review of Hydrobiology 95 (4-5): 352-369.por
dc.identifier.otherAUT: HGA00327; ABA00694;
dc.identifier.urihttp://hdl.handle.net/10400.1/1897
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWILEY-VCH Verlag GmbH & Co. KGaApor
dc.relation.publisherversionDOI: 10.1002/iroh.201011230por
dc.subjectPhytoplanktonpor
dc.subjectGuadiana Estuarypor
dc.subjectTidal variabilitypor
dc.subjectFreshwater estuarine zonepor
dc.titleTidal variability of phytoplankton and their environmental drivers in the freshwater reaches of the Guadiana estuary (SW Iberia)por
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage369por
oaire.citation.issue4-5por
oaire.citation.startPage352por
oaire.citation.titleInternational Review of Hydrobiologypor
oaire.citation.volume95por
person.familyNameDomingues
person.familyNameBarbosa
person.familyNameGalvão
person.givenNameRita
person.givenNameAna
person.givenNameHelena
person.identifier640932
person.identifier1291299
person.identifier.ciencia-id7417-4EEC-3408
person.identifier.ciencia-idF514-2180-4CF8
person.identifier.ciencia-idC51A-2C5A-CF8D
person.identifier.orcid0000-0002-7107-8222
person.identifier.orcid0000-0002-7402-246X
person.identifier.orcid0000-0003-0939-8994
person.identifier.scopus-author-id8627143500
person.identifier.scopus-author-id7103244778
person.identifier.scopus-author-id6505974701
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication43632aa6-ab1f-4c52-8737-dc069bc29291
relation.isAuthorOfPublication5b72648c-41b5-46c0-9a7f-7fa2f514b973
relation.isAuthorOfPublicationef31f343-34f9-4aec-a095-e070235d23b3
relation.isAuthorOfPublication.latestForDiscovery43632aa6-ab1f-4c52-8737-dc069bc29291

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