Effect of Binary Mixtures of Three Heavy Metals on Larvae of Chironomus calligraphus

Autores

  • José Iannacone Laboratorio de Invertebrados, Facultad de Ciencias Biológicas, Universidad Ricardo Palma (URP), Lima, Perú ; Laboratorio de Ecofisiología Animal, Facultad de Ciencias Naturales y Matemática, Universidad Nacional Federico Villarreal (UNFV), Lima, Perú
  • N. Salazar Laboratorio de Ecofisiología Animal, Facultad de Ciencias Naturales y Matemática, Universidad Nacional Federico Villarreal (UNFV), Lima, Perú

DOI:

https://doi.org/10.5132/jbse.2007.03.002

Palavras-chave:

Chironomus, mean lethal concentration, ecotoxicological bioassay, ecotoxicity, mixture of metals, cadmium, lead, mercury

Resumo

Toxic effects of binary mixtures of three heavy metals: Cd2+ and Hg2+ (constant); Pb2+ and Hg2+ (constant); Hg2+ and Cd2+ (constant); Pb2+ and Cd2+ (constant); Cd2+ and Pb2+ (constant); and finally Hg2+ and Pb2+(constant) on larvae of Chironomus calligraphus (Goeldi, 1905) (Diptera: Chironomidae) after 48 h exposure were evaluated. The acute toxicity of heavy metals in pairs of mixtures, showed synergistic interactions (Toxic Unit = (TU) < 1) for Pb2+ and Hg2+(constant) (TU = 0.44); Cd2+ and Pb2+ (constant) (TU = 0.61); Pb2+ and Cd2+(constant) (TU = 0.63); and Hg2+ and Cd2+ (constant) (TU = 0.77), and antagonistic interactions (TU > 1) for Cd2+ and Hg2+ (constant) (TU = 1.23) and Hg2+ and Pb2+ (constant) (TU = 4.15). Obtained results showed that C. calligraphus is a suitable ecotoxicological tool to evaluate mixtures of heavy metals.

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Publicado

2007-10-10

Como Citar

Iannacone, J., & Salazar, N. (2007). Effect of Binary Mixtures of Three Heavy Metals on Larvae of Chironomus calligraphus. Ecotoxicology and Environmental Contamination, 2(3), 211–217. https://doi.org/10.5132/jbse.2007.03.002

Edição

v. 2 n. 3 (2007)

Seção

Artigos

Licença

Copyright (c) 2007 Ecotoxicology and Environmental Contamination

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