Multisource data for seasonal variability analysis of cyanobacteria in a tropical inland aquatic environment

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dc.contributor.authorCicerelli, Rejane Ennes [UNESP]
dc.contributor.authorTrindade Galo, Maria de Lourdes B. [UNESP]
dc.contributor.authorRoig, Henrique Llacer
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de Brasília (UnB)
dc.date.accessioned2018-11-26T17:42:23Z
dc.date.available2018-11-26T17:42:23Z
dc.date.issued2017-01-01
dc.description.abstractCyanobacterial blooms are related to eutrophic conditions that compromise the many uses of reservoirs. Thus, quick and effective methods for detecting the abundance of cyanobacteria in waterbodies are needed to complement conventional laboratory methods. In addition, inadequate control techniques that are applied at times of high cyanobacterial concentrations can cause the cells to lyse and release toxins into the water. In the present study we investigated the behaviour of cyanobacteria by determining phycocyanin and chlorophyll concentrations, using spectroradiometric and fluorometric techniques, in three field campaigns performed at the Nova Avanhandava Reservoir, Brazil. The sampling rate and favourable season for data collected had been determined previously by remote sensing analysis. Seasonal estimates of cyanobacteria were made because fluorometric sensors were able to record low concentrations, whereas the spectral analyses only detected phycocyanin at higher concentrations. Results of spectral analyses highlighted the subtle spectral characteristics indicating the presence of phycocyanin, even without a clear definition of the diagnostic features in the reflectance curve. Therefore, multiscale remote sensing complemented by fluorometric analysis and relevant environmental variables is an effective approach for monitoring cyanobacteria in Brazilian inland waters.en
dc.description.affiliationUniv Estadual Paulista, Dept Cartog, Rua Roberto Simonsen,305 Ctr Educ, BR-19060900 Sao Paulo, Brazil
dc.description.affiliationUniv Brasilia, Inst Geociencias, Campus Univ Darcy Ribeiro ICC Ala Cent, BR-71910900 Brasilia, DF, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Cartog, Rua Roberto Simonsen,305 Ctr Educ, BR-19060900 Sao Paulo, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipUniversidade Estadual Paulista (UNESP)
dc.description.sponsorshipFundacao de Estudos e Pesquisas Agricolas e Florestais (FEPAF)
dc.description.sponsorshipFundação para o Desenvolvimento da UNESP (FUNDUNESP)
dc.format.extent2344-2354
dc.identifierhttp://dx.doi.org/10.1071/MF16259
dc.identifier.citationMarine And Freshwater Research. Clayton: Csiro Publishing, v. 68, n. 12, p. 2344-2354, 2017.
dc.identifier.doi10.1071/MF16259
dc.identifier.fileWOS000416334800016.pdf
dc.identifier.issn1323-1650
dc.identifier.urihttp://hdl.handle.net/11449/163527
dc.identifier.wosWOS:000416334800016
dc.language.isoeng
dc.publisherCsiro Publishing
dc.relation.ispartofMarine And Freshwater Research
dc.relation.ispartofsjr0,782
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectfluorescence
dc.subjectphycocyanin
dc.subjectreflectance
dc.subjecttropical freshwater
dc.subjectwater quality monitoring
dc.titleMultisource data for seasonal variability analysis of cyanobacteria in a tropical inland aquatic environmenten
dc.typeArtigo
dcterms.rightsHolderCsiro Publishing
unesp.departmentCartografia - FCTpt

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