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dc.contributor.authorOLIVEIRA FILHO, E. C. de
dc.contributor.authorCAIXETA, N. R.
dc.contributor.authorSIMPLÍCIO, N. de C. S.
dc.contributor.authorSOUSA, S. R. de
dc.contributor.authorARAGÃO, T. P.
dc.contributor.authorMUNIZ, D. H. de F.
dc.date.accessioned2026-01-22T06:40:23Z-
dc.date.available2026-01-22T06:40:23Z-
dc.date.created2014-12-11
dc.date.issued2014
dc.identifier.citationBrazilian Journal of Biology, São Carlos, v. 74, n. 1, Feb. 2014.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1002283-
dc.descriptionWater hardness is a property depending on the presence of alkaline earth metals, mainly calcium and magnesium. Among the strategies for water quality monitoring, ecotoxicological assays are performed to minimize impacts and classify water bodies. For these laboratory evaluations parameters are previously defined in the guidelines, including water hardness for both cultivation and testing medium. The present work was performed to evaluate the effects of different levels of water hardness on the survival and reproduction of the freshwater snail Biomphalaria glabrata and discuss the influence of natural water hardness on the results of ecotoxicological tests with these environmental samples. Comparing the groups it was possible to observe that those maintained in waters with least hardness had lower reproductive success, while the groups maintained in highest hardness showed better reproduction. These data show that waters with low hardness make the reproduction of the snail B. glabrata unfeasible, and this reveal a problem for ecotoxicity assays using natural water samples.
dc.language.isoeng
dc.rightsopenAccess
dc.titleImplications of water hardness in ecotoxicological assessments for water quality regulatory purposes: a case study with the aquatic snail Biomphalaria glabrata (Say, 1818).
dc.typeArtigo de periódico
dc.subject.thesagroBiomphalaria Glabrata
dc.subject.nalthesaurusEcotoxicology
dc.subject.nalthesaurusGuidelines
dc.subject.nalthesaurusEnvironmental factors
dc.subject.nalthesaurusWater
dc.format.extent2p. 175-180
riaa.ainfo.id1002283
riaa.ainfo.lastupdate2026-01-21
dc.identifier.doihttps://doi.org/10.1590/1519-6984.24212
dc.contributor.institutionEDUARDO CYRINO DE OLIVEIRA FILHO, CPAC; N. R. CAIXETA, CENTRO UNIVERSITÁRIO DE BRASÍLIA; NATHAN DE CASTRO SOARES SIMPLÍCIO, CENTRO UNIVERSITÁRIO DE BRASÍLIA; SIMONE RODRIGUES DE SOUSA; TAIANE PESTANA ARAGÃO, CENTRO UNIVERSITÁRIO DE BRASÍLIA; DAPHNE HELOISA DE FREITAS MUNIZ, CPAC.
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