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Constrains on the use of phytoplankton as a biological quality indicator within the Water Framework Directive in portuguese waters

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dc.contributor.authorDomingues, Rita B.
dc.contributor.authorBarbosa, Ana B.
dc.contributor.authorGalvão, Helena M.
dc.date.accessioned2012-11-29T14:33:49Z
dc.date.available2012-11-29T14:33:49Z
dc.date.issued2008
dc.description.abstractThe European Union Water Framework Directive (WFD), a new regulation aiming to achieve and maintain a clean and well-managed water environment, refers to phy­toplank­ton as one of the biological quality elements that should be regularly monitored, and upon which the reference conditions of water quality should be established. However, the use of phy­toplank­ton as a biological quality element will result in several constraints, which are analyzed in this article with examples from Portuguese waters. Specifically, the establishment of reference conditions of water quality may be dif­fi­cult in some water bodies for which no historical data exists. The sampling frequency proposed for phy­toplank­ton monitoring does not seem suitable to assess phy­toplank­ton succession, and may preclude the detection of algal blooms. Finally, the use of chlorophyll a as a proxy of phy­toplank­ton biomass and abundance has been proposed by some authors, but it may overlook blooms of pico- and small nanophytoplank­ton, and overestimate the importance of large microphytoplank­ton. Furthermore, most studies in Portugal have used only inverted microscopy for phy­toplank­ton observation and quantification; this method does not permit the distinction between autotrophic and heterotrophic cells, especially in samples preserved with Lugol’s solution, and does not allow the observation of smaller-sized cells. Finally, some techniques, such as remote sensing and chemotaxonomic analy­sis, are proposed to be used as supplements in phy­toplank­ton monitoring programs.por
dc.identifier.citationDomingues, RB, AB Barbosa and HM Galvão, 2008 Constrains on the use of phytoplankton as a biological quality indicator within the Water Framework Directive in portuguese waters. Marine Pollution Bulletin 56: 1389-1395.por
dc.identifier.otherAUT: HGA00327; ABA00694;
dc.identifier.urihttp://hdl.handle.net/10400.1/1892
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.marpolbul.2008.05.006por
dc.subjectWater Framework Directivepor
dc.subjectPhytoplanktonpor
dc.subjectBiomasspor
dc.subjectAbundancepor
dc.subjectChlorophyll apor
dc.subjectPortuguese waterspor
dc.titleConstrains on the use of phytoplankton as a biological quality indicator within the Water Framework Directive in portuguese waterspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1395por
oaire.citation.startPage1389por
oaire.citation.titleMarine Pollution Bulletinpor
oaire.citation.volume56por
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.latestForDiscoveryef31f343-34f9-4aec-a095-e070235d23b3

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