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Evaluating trace element bioavailability and potential transfer into marine food chains using immobilised diatom model species Phaeodactylum tricornutum, on King George Island, Antarctica

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dc.contributor.authorCabrita, Maria Teresa
dc.contributor.authorPadeiro, Ana
dc.contributor.authorAmaro, Eduardo
dc.contributor.authordos Santos, Margarida Correia
dc.contributor.authorLeppe, Marcelo
dc.contributor.authorVerkulich, Sergey
dc.contributor.authorHughes, Kevin A.
dc.contributor.authorPeter, Hans-Ulrich
dc.contributor.authorCanário, João
dc.date.accessioned2018-12-27T14:53:26Z
dc.date.available2020-09-01T00:30:18Z
dc.date.issued2017
dc.description.abstractIn order to evaluate trace element bioavailability and potential transfer into marine food chains in human impacted areas of the Fildes Peninsula (King George Island, South Shetland Islands Archipelago), element levels (Cr, Ni, Cu, Zn, Cd, and Pb) were determined in water, sediments, phytoplankton, and in diatom Phaeodactylum tricornutum Bohlin (Bacillariophyceae) cells immobilised in alginate and exposed to water and sediments, from the Bellingshausen Dome (reference site) and Ardley Cove (human impacted area), during January 2014. High element concentrations in exposed P. tricornutum indicated element mobilisation from sediments into the water. Levels in exposed cells reflected the sediment element content pattern, comparable to those found in phytoplankton, supporting phytoplankton as an important path of trace element entry into marine food chains. This study clearly shows immobilised P. tricornutum as good proxy of phytoplankton concerning element accumulation efficiency, and an effective tool to monitor trace element contamination in polar coastal ecosystems.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCabrita, Maria Teresa, Padeiro, Ana, Amaro, Eduardo, Santos, Margarida Correia dos, Leppe, Marcelo, Verkulich, Sergey, Hughes, Kevin A., Peter, Hans-Ulrich, & Canário, João. (2017). Evaluating trace element bioavailability and potential transfer into marine food chains using immobilised diatom model species Phaeodactylum tricornutum, on King George Island, Antarctica. Marine Pollution Bulletin, 121(1–2), 192–200. https://doi.org/10.1016/j.marpolbul.2017.05.059.pt_PT
dc.identifier.doi10.1016/j.marpolbul.2017.05.059pt_PT
dc.identifier.issn0025-326X
dc.identifier.urihttp://hdl.handle.net/10451/36203
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0025326X17304642?via%3Dihub#!pt_PT
dc.subjectAntarctic Regionspt_PT
dc.subjectBiological Availabilitypt_PT
dc.subjectEnvironmental Monitoringpt_PT
dc.subjectHumanspt_PT
dc.subjectIslandspt_PT
dc.subjectTrace Elementspt_PT
dc.subjectDiatomspt_PT
dc.subjectFood Chainpt_PT
dc.titleEvaluating trace element bioavailability and potential transfer into marine food chains using immobilised diatom model species Phaeodactylum tricornutum, on King George Island, Antarcticapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage200pt_PT
oaire.citation.issue1-2pt_PT
oaire.citation.startPage192pt_PT
oaire.citation.titleMarine Pollution Bulletinpt_PT
oaire.citation.volume121pt_PT
person.familyNameCabrita
person.givenNameMaria Teresa
person.identifier349469
person.identifier.ciencia-id3E17-0125-F909
person.identifier.orcid0000-0002-4323-4945
person.identifier.ridB-5746-2014
person.identifier.scopus-author-id6602224932
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationcac05d5d-1ba9-4d1a-a052-d8bde9ecfadc
relation.isAuthorOfPublication.latestForDiscoverycac05d5d-1ba9-4d1a-a052-d8bde9ecfadc

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