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Toxicity of isolated and mixed metals to a native Amazonian ostracod and ecological risk assessment.
Gomes, Diego Ferreira; Brito, Hevelyn Plácido; do Vale, Julia Gomes; da Silva Pinto, Thandy Júnior; Moreira, Raquel Aparecida; Rocha, Odete.
Afiliação
  • Gomes DF; LEEA/SHS, Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13.560-970, Brazil. diego.frgomes@gmail.com.
  • Brito HP; Department of Physiological Sciences, Federal University of São Carlos, Rod. Washington Luís km 235 - SP-310, São Carlos, SP, 13565-905, Brazil.
  • do Vale JG; Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luís km 235 - SP-310, São Carlos, SP, 13565-905, Brazil.
  • da Silva Pinto TJ; Institute of Chemistry, University of Campinas (UNICAMP), Rua Josué de Castro, S/n - Cidade Universitária, Campinas, SP, 13083-970, Brazil.
  • Moreira RA; Department of Basic Sciences (ZAB), Faculty of Animal Science and Food Engineering (FZEA) at the University of São Paulo (USP), Av. Duque de Caxias Norte, 225, Pirassununga, 13635-900, Brazil.
  • Rocha O; Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luís km 235 - SP-310, São Carlos, SP, 13565-905, Brazil.
Ecotoxicology ; 33(9): 1074-1085, 2024 Nov.
Article em En | MEDLINE | ID: mdl-39215898
ABSTRACT
In recent decades the Amazonian ecosystem has received large amounts of domestic and industrial effluents, as well as mining-related waste contributing significant quantities of metal to water bodies. Thus, the main objective of the study was to verify the sensitivity of a native Amazonian ostracod (Strandesia rondoniensis) species to isolated and mixed metal salts (CuSO4; ZnCl2; CdCl2 and HgCl2). The sensitivity will be compared to other species using species sensitivity distributions (SSDs) for an ecological risk assessment (ERA). The experiment consisted of simultaneously exposing each metal alone and in mixture, through a factorial design for toxicity with 25 different combinations for 48 h. For the ERA, metal concentrations measured in the water of various aquatic environments in the Amazon basin were considered based on the risk quotient values. The results showed that the metal toxicity gradient was Cd>Hg>Cu>Zn, respectively. The toxicity in the mixture showed that the combination of Cu-Cd and Cu-Zn better fit the model (CA), indicating mainly synergism when copper predominated in the mixture. Meanwhile, the Cu-Hg interaction fit the model better (IA), again indicating synergism when copper was at a higher concentration. The ERA showed a high risk (RQ > 1) for the Cd, Cu, and Hg metals.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Monitoramento Ambiental / Crustáceos Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Ecotoxicology Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Monitoramento Ambiental / Crustáceos Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Ecotoxicology Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos