Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/47264
Campo DC Valoridioma
dc.contributor.authorOliveira, Ana Paulaen_US
dc.contributor.authorCoutinho, Teresa Pereiraen_US
dc.contributor.authorCabeçadas, Graçaen_US
dc.contributor.authorBrogueira, Maria Joséen_US
dc.contributor.authorCoca, Josepen_US
dc.contributor.authorRamos, Manuelaen_US
dc.contributor.authorCalado, Gonçaloen_US
dc.contributor.authorDuarte, Pedroen_US
dc.contributor.otherDuarte, Pedro-
dc.contributor.otherCoca Saez de Albeniz, Josep-
dc.contributor.otherScientific output, CIIMAR-
dc.contributor.otherScientific Productivity, CIIMAR-
dc.contributor.otherCoutinho, Teresa-
dc.contributor.otherCalado, Goncalo-
dc.contributor.otherRamos, Manuela-
dc.date.accessioned2018-11-23T12:09:04Z-
dc.date.available2018-11-23T12:09:04Z-
dc.date.issued2016en_US
dc.identifier.issn0924-7963en_US
dc.identifier.urihttp://hdl.handle.net/10553/47264-
dc.description.abstractGorringe bank is a shallow seamount having its summit within the euphotic layer. The purpose of this study was to test the hypothesis that the interaction of ocean currents with shallow water seamounts, as the Gorringe, has a significant effect on local upwelling and primary production. Three hydrographic surveys were carried out: one in autumn (October 2011) and two in summer (June and July 2012). Physical (salinity, temperature), chemical (nutrients, dissolved oxygen, pH, total alkalinity and suspended particulate matter) and biological (chlorophyll, pelagic primary production and phytoplankton composition and abundance) variables were measured and/or determined in the area of Gorringe Bank, in particular over and around the Ormonde and Gettysburg peaks. Multivariate analyses (PCA and MDS) were applied to environmental and phytoplankton data. Statistical analysis of historical satellite and model data was also carried out in order to analyze local hydrographic conditions and to compare sea surface temperature and chlorophyll concentrations over the peaks and off the peaks in different seasons. Pelagic primary production, measured by Dissolved Oxygen methodology, reached values up to 24.10 mg C m− 3 h− 1 in the vicinity of the peaks. Phytoplankton abundance ranged from 2.2 × 103 to 14 × 103 cells L− 1, being the community composed mainly of chain-forming Diatoms like Chaetoceros sp., Dactyliosolen spp., Hemiaulus hauckii and Pseudonitzschia spp., in summer months, in zones of high hydrodynamics of the peaks. By contrast, at locations away of the seamount summits and in autumn, Coccolithophores species reached the same or higher percentage in total abundance than Diatoms, being Discosphaera tubifer and Calcidiscus leptoporus cf. the most abundant species. The combined results indicate the presence of a seasonal effect of Gorringe summits on local upwelling and enhancement of primary production reflected in higher abundance of phytoplankton in the vicinity of the peaks, with emphasis on the Gettysburg, and higher surface chlorophyll concentrations. Therefore, obtained results support the hypothesis of production enhancement.en_US
dc.languageengen_US
dc.publisher0924-7963-
dc.relation.ispartofJournal of Marine Systemsen_US
dc.sourceJournal of Marine Systems [ISSN 0924-7963], v. 164, p. 13-29en_US
dc.subject2510 Oceanografíaen_US
dc.subject.otherPrimary productionen_US
dc.subject.otherPhytoplankton compositionen_US
dc.subject.otherGorringe seamounten_US
dc.subject.otherNortheast Atlanticen_US
dc.subject.otherUpwellingen_US
dc.titlePrimary production enhancement in a shallow seamount (Gorringe - Northeast Atlantic)en_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.jmarsys.2016.07.012en_US
dc.identifier.scopus84982128226-
dc.identifier.isi000385329600002-
dcterms.isPartOfJournal Of Marine Systems-
dcterms.sourceJournal Of Marine Systems[ISSN 0924-7963],v. 164, p. 13-29-
dc.contributor.authorscopusid14071656200-
dc.contributor.authorscopusid50261256600-
dc.contributor.authorscopusid6603372189-
dc.contributor.authorscopusid6602905758-
dc.contributor.authorscopusid7006741572-
dc.contributor.authorscopusid56985182100-
dc.contributor.authorscopusid6602397809-
dc.contributor.authorscopusid7005201821-
dc.description.lastpage29en_US
dc.description.firstpage13en_US
dc.relation.volume164en_US
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.contributor.daisngid616818-
dc.contributor.daisngid151259-
dc.contributor.daisngid2511456-
dc.contributor.daisngid2296268-
dc.contributor.daisngid1955355-
dc.contributor.daisngid5777603-
dc.contributor.daisngid487038-
dc.contributor.daisngid346996-
dc.identifier.investigatorRIDF-1247-2014-
dc.identifier.investigatorRIDH-7067-2015-
dc.identifier.investigatorRIDE-5122-2012-
dc.identifier.investigatorRIDN-6498-2017-
dc.identifier.investigatorRIDNo ID-
dc.identifier.investigatorRIDNo ID-
dc.identifier.investigatorRIDNo ID-
dc.utils.revisionen_US
dc.identifier.ulpgces
dc.description.sjr1,403
dc.description.jcr2,439
dc.description.sjrqQ1
dc.description.jcrqQ1
dc.description.scieSCIE
item.grantfulltextnone-
item.fulltextSin texto completo-
crisitem.author.deptGIR ECOAQUA: Biodiversidad y Conservación-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.orcid0000-0003-0625-8240-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.fullNameSaenz De Albeniz,Josep Coca-
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