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Ocurrence of Ostreopsis in two temperate coastal bays (SW iberia): Insights from the plankton

2019-06Journal article Restricted access
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dc.contributor.authorSantos, Mariana
dc.contributor.authorOliveira, Paulo B.
dc.contributor.authorCalixto De Jesus Moita Garnel, Maria Teresa
dc.contributor.authorDavid, Helena
dc.contributor.authorCaeiro, Maria Filomena
dc.contributor.authorZingone, Adriana
dc.contributor.authorAmorim, Ana
dc.contributor.authorD. Silva, Alexandra
dc.date.accessioned2020-07-24T10:52:09Z
dc.date.available2020-07-24T10:52:09Z
dc.date.issued2019-06
dc.description.abstractThe benthic genus Ostreopsis contains toxic-bloom forming species and is an important cause of concern in warm-temperate and tropical waters. On the coast of Portugal, NE Atlantic, the occurrence of Ostreopsis cf. siamensis and Ostreopsis cf. ovata has been reported since 2008 and 2011, respectively. This work aims to understand the favorable conditions for high concentrations of Ostreopsis cells in the plankton at two sites, Lagos and Lisbon Bays, located in the South and West coast of Portugal, respectively. This study is based on weekly Ostreopsis abundance data in the plankton, from 2011 to 2017, daily satellite and in situ sea surface temperature (SST), and meteorological and sea state parameters, namely wind stress and significant wave height. The molecular identification of local Ostreopsis spp. is also presented. The maximum cell densities occur between late-summer and autumn. The distribution range of Ostreopsis cf. ovata is restricted to the South coast, while Ostreopsis cf. siamensis has a wider distribution range, being also present on the West coast. In the study period, there was only one occurrence of Ostreopsis spp., in Lagos Bay, with concentrations within the alert phase of monitoring. In Lagos Bay, high Ostreopsis spp. concentrations were related with positive SST anomalies. These high concentrations were often recorded after a period of almost 2-weeks to more than 4-weeks of low sea state ( < 0.6 m), followed by short time events of onshore wind and moderate waves (0.6-1 m). The former conditions are interpreted as favoring bloom development on the substrate and the latter as causing the re-suspension of Ostreopsis cells in the water column. In Lisbon Bay, O. cf. siamensis occurred in the plankton in few occasions and no clear relation could be established with the studied environmental variables. It is here hypothesized that the recent records of O. cf. siamensis in Lisbon Bay may correspond to an early colonization stage of an invasion process. Knowledge gained on Ostreopsis dynamics along the Portuguese coast can be used for both the improvement of benthic harmful algal blooms (BHABs) monitoring in the region and as a basis to design forecasting models.
dc.description.sponsorshipFCTPortuguese Foundation for Science and Technology [SFRH/BPD/121365/2016, SFRH/BD/52560/2014, SFRH/BPD/63106/2009]
dc.description.sponsorshipMARE [UID/MAR/04292/2019]
dc.description.sponsorshipCCMAR [UID/Multi/04326/2013]
dc.description.sponsorshipIPMA [IPMA-BCC-2016-35, SNMB-Monitor/MARE2020]
dc.identifier.doi10.1016/j.hal.2019.03.003
dc.identifier.issn1568-9883
dc.identifier.issn1878-1470
dc.identifier.urihttp://hdl.handle.net/10400.1/14322
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationNEW HARMFUL ALGAL BLOOM HAB SPECIES IN CONTINENTAL PORTUGAL, AZORES AND MADEIRA COASTAL WATERS: BIOGEOGRAPHIC AND SEASONAL DISTRIBUTION, STRUCTURE OF THE ACCOMPANYING PHYTOPLANKTON COMMUNITY AND IMPLEMENTATION OF MOLECULAR IDENTIFICATION TOOLS
dc.subjectCf. ovata blooms
dc.subjectEpiphytic dinoflagellate assemblages
dc.subjectHarmful Aagal blooms
dc.subjectGenus ostreopsis
dc.subjectCoolia dinophyceae
dc.subjectBenthic systems
dc.subjectSpp. blooms
dc.subjectSea
dc.subjectProliferation
dc.subjectSubstrate
dc.titleOcurrence of Ostreopsis in two temperate coastal bays (SW iberia): Insights from the plankton
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNEW HARMFUL ALGAL BLOOM HAB SPECIES IN CONTINENTAL PORTUGAL, AZORES AND MADEIRA COASTAL WATERS: BIOGEOGRAPHIC AND SEASONAL DISTRIBUTION, STRUCTURE OF THE ACCOMPANYING PHYTOPLANKTON COMMUNITY AND IMPLEMENTATION OF MOLECULAR IDENTIFICATION TOOLS
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F63106%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04326%2F2013/PT
oaire.citation.endPage36
oaire.citation.startPage20
oaire.citation.titleHarmful Algae
oaire.citation.volume86
oaire.fundingStream5876
person.familyNameCalixto de Jesus Moita Garnel
person.familyNameDuarte Silva
person.givenNameMaria Teresa
person.givenNameAlexandra
person.identifier.ciencia-id8E1E-F416-8231
person.identifier.ciencia-id0F11-2E24-DBFB
person.identifier.orcid0000-0002-8995-7516
person.identifier.orcid0000-0003-0384-4447
person.identifier.ridM-4039-2013
person.identifier.ridH-8344-2012
person.identifier.scopus-author-id6602258258
person.identifier.scopus-author-id8518688800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typearticle
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