2019
DOI: 10.21715/gb2358-2812.2019333286
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Caracterização geoquímica do Estuário do Rio Una, BA, Brasil

Abstract: RESUMOCom uma vasta área estuarina, o sul da Bahia (Brasil) detém amplos recursos naturais. Os estuários agregam diversas dinâmicas ecológicas que contribuem significativamente no equilíbrio do ecossistema, trazendo à comunidade recursos sustentáveis valiosos. Atualmente esses recursos vêm sendo drasticamente explorados desordenadamente, e comunidades locais são as primeiras a serem prejudicadas. Entender e conhecer o comportamento geoquímico estuarino permite identificar estratégias ambientais, para uma explo… Show more

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Cited by 3 publications
(4 citation statements)
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“…The particulate Zn in the EZBN estuaries was the only element with high concentrations in comparison to other Brazilian tropical estuaries, such as Rio Una (Bahia) and Paraíba do Sul (Rio de Janeiro) (Carvalho et al, 2002;Gonçalves and Carvalho, 2006;Jesus and Cruz, 2019). The Jaguaribe estuary showed particulate Cu and Pb concentrations two and five times lower, respectively, than Rio Una, while particulate Al and Fe were three times lower than concentrations observed in the Paraíba do Sul.…”
Section: Referencesmentioning
confidence: 76%
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“…The particulate Zn in the EZBN estuaries was the only element with high concentrations in comparison to other Brazilian tropical estuaries, such as Rio Una (Bahia) and Paraíba do Sul (Rio de Janeiro) (Carvalho et al, 2002;Gonçalves and Carvalho, 2006;Jesus and Cruz, 2019). The Jaguaribe estuary showed particulate Cu and Pb concentrations two and five times lower, respectively, than Rio Una, while particulate Al and Fe were three times lower than concentrations observed in the Paraíba do Sul.…”
Section: Referencesmentioning
confidence: 76%
“…Comparing the range of dissolved trace metals to other Brazilian tropical estuaries under anthropogenic pressure, such as Tapacurá River (Pernambuco), Rio Una (Bahia), Sepetiba Bay (Rio de Janeiro Frontiers in Earth Science frontiersin.org for most metals found in estuaries of the EZBN, except dissolved Cd and Mn, which were 7.1 and 1.6 times lower than CONAMA values for brackish water, respectively (CONAMA n o 357, 2005;Molisani et al, 2007;Aprile and Bouvy, 2010;Barbosa et al, 2012;Jesus and Cruz, 2019). Tapacurá River and Rio Una identified enrichment of dissolved Cu, Zn, and Cd as a result of surrounding anthropic activities such as domestic sewage and agriculture runoff (Aprile and Bouvy, 2010;Jesus and Cruz, 2019). These elements are probably available to aquatic organisms and cause harm due to high metal toxicity.…”
Section: Referencesmentioning
confidence: 99%
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