Trophic state index (TSI) and physico-chemical characteristics of a shallow reservoir in southeast Brazil

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dc.contributor.authorCigagna, Cristiano [UNESP]
dc.contributor.authorBonotto, Daniel Marcos [UNESP]
dc.contributor.authorCamargo, Antonio F. Monteiro [UNESP]
dc.contributor.authorSturaro, José Ricardo [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T17:26:39Z
dc.date.available2018-12-11T17:26:39Z
dc.date.issued2016-01-01
dc.description.abstractThis paper presents the trophic state index (TSI) and water physico-chemical characteristics of a shallow tropical reservoir located in southeast Brazil. It describes a study held over a hydrological and diurnal period, which enabled to map the variability of several physico-chemical variables due to regional climate and to compare the results with the TSI in winter and summer. The thermal behavior of the water column is typical of a polymictic reservoir. Low dissolved oxygen levels have been measured, reaching 0.07 mg L−1 in the deepest part of the reservoir as a direct consequence of the increased nutrient levels. The average pH was slightly acid (6.71) especially at the reservoir bottom and did not show significant changes during the monitoring period. The electrical conductivity varied according to seasons, i.e., it was higher in the rainy period compared to dry season, averaging 138 and 84.06 µS/cm, respectively. According to the TSI, the reservoir has been classified as mesotrophic and eutrophic in the dry and rainy season, respectively.en
dc.description.affiliationInstituto de Geociências e Ciências Exatas-IGCE Universidade Estadual Paulista-UNESP, Av. 24-A No. 1515, P.O. Box 178
dc.description.affiliationInstituto de Biociências-IB Universidade Estadual Paulista-UNESP, Av. 24-A No. 1515, P.O. Box 178
dc.description.affiliationUnespInstituto de Geociências e Ciências Exatas-IGCE Universidade Estadual Paulista-UNESP, Av. 24-A No. 1515, P.O. Box 178
dc.description.affiliationUnespInstituto de Biociências-IB Universidade Estadual Paulista-UNESP, Av. 24-A No. 1515, P.O. Box 178
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.format.extent1-11
dc.identifierhttp://dx.doi.org/10.1007/s12665-015-4951-0
dc.identifier.citationEnvironmental Earth Sciences, v. 75, n. 2, p. 1-11, 2016.
dc.identifier.doi10.1007/s12665-015-4951-0
dc.identifier.file2-s2.0-84953230988.pdf
dc.identifier.issn1866-6299
dc.identifier.issn1866-6280
dc.identifier.scopus2-s2.0-84953230988
dc.identifier.urihttp://hdl.handle.net/11449/177690
dc.language.isoeng
dc.relation.ispartofEnvironmental Earth Sciences
dc.relation.ispartofsjr0,552
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectEutrophication
dc.subjectHydrochemistry
dc.subjectLimnology
dc.subjectReservoirs
dc.titleTrophic state index (TSI) and physico-chemical characteristics of a shallow reservoir in southeast Brazilen
dc.typeArtigo
unesp.author.lattes9032220109730468[3]
unesp.author.orcid0000-0003-3565-6838[3]

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Artigos - Petrologia e Metalogenia - IGCE
Artigos - Geologia Aplicada - IGCE