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dc.contributor.authorDuarte, Rafael Mendonça-
dc.contributor.authorMenezes, Ana Cristina Leite-
dc.contributor.authorSilveira Rodrigues, Leonardo da-
dc.contributor.authorVal, Vera Maria Fonseca Almeida e-
dc.contributor.authorVal, Adalberto Luis-
dc.date.accessioned2020-06-15T21:55:17Z-
dc.date.available2020-06-15T21:55:17Z-
dc.date.issued2009-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/18457-
dc.description.abstractThe copper sensitivity of 10 wild ornamental fish from Rio Negro, an ion-poor river in the Amazon, was analyzed in the absence of dissolved organic carbon (DOC). No mortality was observed at concentrations up to 700 μg Cu l-1 for two species exposed to CuCl2·2H2O dissolved in standard EPA-USA water. Copper sensitivity of fish was also tested in INPA groundwater, which is similar to that of the Rio Negro, but lacking typical DOC of Rio Negro water. In these experiments, all four characid fish species were more sensitive to copper than the catfish and the cichlids. LC50 values ranged from 12.8 μg Cu l-1 for the characid Hemigrammus rhodostomus to 74.1 μg Cu l-1 for the callichtyid Dianema urostriatum. Copper sensitivity of Hyphessobrycon socolofi was 52-fold lower in EPA (1405.5 μg Cu l-1) than in INPA water (26.8 μg Cu l-1). The differences in values of LC50 may be related to species-specific physiological abilities to ion-regulate under the original conditions of the habitat of the analyzed species. © 2008 Elsevier Inc. All rights reserved.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 72, Número 3, Pags. 693-698pt_BR
dc.rightsRestrito*
dc.subjectCopperen
dc.subjectCopper Chlorideen
dc.subjectGroundwateren
dc.subjectIonen
dc.subjectOrganic Carbonen
dc.subjectRiver Wateren
dc.subjectBioaccumulationen
dc.subjectCopper Compounden
dc.subjectDissolved Organic Carbonen
dc.subjectDose-response Relationshipen
dc.subjectExperimental Studyen
dc.subjectFishen
dc.subjectMortalityen
dc.subjectOrnamental Speciesen
dc.subjectPollution Exposureen
dc.subjectToxicity Testen
dc.subjectWild Populationen
dc.subjectAnimals Experimenten
dc.subjectCatfishen
dc.subjectCichliden
dc.subjectConcentration (parameters)en
dc.subjectDissolutionen
dc.subjectEco-toxicologyen
dc.subjectIntoxicationen
dc.subjectLc50en
dc.subjectNonhumanen
dc.subjectOrnamental Speciesen
dc.subjectPhysiologyen
dc.subjectRegulatory Mechanismen
dc.subjectRiveren
dc.subjectSpecies Differenceen
dc.subjectSpecies Habitaten
dc.subjectAnimalen
dc.subjectCopperen
dc.subjectFish Diseasesen
dc.subjectPerciformesen
dc.subjectRiversen
dc.subjectSensitivity And Specificityen
dc.subjectSpecies Specificityen
dc.subjectToxicity Testsen
dc.subjectWater Pollutants, Chemicalen
dc.subjectRio Negro [uruguay]en
dc.subjectSouth Americaen
dc.subjectUruguayen
dc.subjectCharacidaeen
dc.subjectCichlidaeen
dc.subjectDianema Urostriataen
dc.subjectHemigrammus Rhodostomusen
dc.subjectHyphessobryconen
dc.titleCopper sensitivity of wild ornamental fish of the Amazonen
dc.typeArtigopt_BR
dc.identifier.doi10.1016/j.ecoenv.2008.10.003-
dc.publisher.journalEcotoxicology and Environmental Safetypt_BR
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