2012
DOI: 10.1007/s00128-012-0680-1
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Mercury and Selenium in a Top-Predator Fish, Trichiurus lepturus (Linnaeus, 1758), from the Tropical Brazilian Coast, Rio de Janeiro

Abstract: Muscular mercury and selenium were assessed in a voracious fish from three Brazilian coastal areas with different environmental conditions. Mercury was higher in specimens from Ilha Grande Bay (0.35 ± 0.17 μg g(-1)) than in cutlassfish from Guanabara Bay (0.30 ± 0.15 μg g(-1)) and Buzios coast (0.13 ± 0.08 μg g(-1)), respectively. No difference was found regarding selenium among these areas. Mercury was positively correlated with fish length and size intervals (sub-adult, small and large adult), suggesting tha… Show more

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Cited by 16 publications
(9 citation statements)
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References 18 publications
(24 reference statements)
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“…Like Hg, dietary exposure of fish to Se is the dominant pathway of uptake [77][78][79][80][81]. However, complexities arise when predicting Se concentrations in fish because speciation of Se and its availability to fish is sensitive to local biogeochemical conditions and bioaccumulation factors differ across trophic levels.…”
Section: Native Fish Vulnerability To Accumulation Of Thg and Sementioning
confidence: 99%
“…Like Hg, dietary exposure of fish to Se is the dominant pathway of uptake [77][78][79][80][81]. However, complexities arise when predicting Se concentrations in fish because speciation of Se and its availability to fish is sensitive to local biogeochemical conditions and bioaccumulation factors differ across trophic levels.…”
Section: Native Fish Vulnerability To Accumulation Of Thg and Sementioning
confidence: 99%
“…Coastal pollution by mercury and other pollutants might have a role to play in this scenario at the local scale. Studies with Trichiurus lepturus (1) Shrestha et al, 1988 – Venezuela; (2) Mol et al, 2000 - Suriname; (3) Costa et al, 2009; Barbosa-Cintra et al, 2011 - NE Brazil; (4) Kehrig et al, 2004; Cardoso et al, 2009; Kehrig et al 2009c; Kehrig et al, 2010; Kehrig et al, 2011; Carvalho et al, 2008; Di Beneditto et al 2012; Muto et al, 2011; Bisi et al, 2012; Seixas et al, 2012a, b; Seixas et al, in press - SE Brazil; (5) Saei-Dehkordi et al, 2010 - Persian Gulf; (6) Prudente et al, 1997 - Philippines.…”
Section: Figurementioning
confidence: 99%
“…Este é um elemento essencial para atividade metabólica de todas as formas de vida que têm sistema nervoso, e atua como agente de proteção contra a toxicidade do Hg, sendo que a diferença entre sua concentração tóxica e benéfica nos organismos é muito pequena (Feroci et al, 2005). Seixas et al, 2012), visto que acumula na base das teias tróficas, a partir da água, sedimentos e detritos orgânicos, sendo transferido para os organismos bentônicos e então para peixes Seixas et al, 2012 (Baltas et al, 2017;Rainbow, 1995 Negro (Baltas et al, 2017;Guendouzi et al, 2017;Jonatha et al, 2017;Wu et al, 2017).…”
Section: Análises Integradas Entre Metais Pesados E Razões Isotópicasunclassified
“…Mercúrio é um elemento potencialmente tóxico, sem função bioquímica, que pode ser lançado no ambiente por fontes naturais e antrópicas, sendo que a deposição atmosférica é uma das principais rotas que levam aos ecossistemas aquáticos (Le et al, 2017;Seixas et al, 2012;USEPA, 1997). Devido ao transporte e deposição de Hg, observados até mesmo em locais remotos e habitats pristinos, sua emissão atmosférica por resíduos industriais é uma grande preocupação (Le et al, 2017;Wiedinmyer et al, 2014).…”
Section: Análises Integradas Entre Metais Pesados E Razões Isotópicasunclassified
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