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Mercury distribution in two commercial fish species (Pimelodus maculatus and Calophysus macropterus) - Case study of river Acre (Acre state,Brazilian Amazon) |
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| Authors: | P.A. Reis R.O.A. Ozório A.F.R. Rodriguez F.S.E.D.V. Faria C.M. Furtado |
| Affiliation: | 1. CIMAR-LA/CIIMAR - Centro Interdisciplinar de Investiga??o Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros de Leix?es, Matosinhos, Portugal;2. Programa de Pós-gradua??o em Biotecnologia e Biodiversidade, Universidade Federal do Acre (UFAC), Rio Branco, AC, Brazil;3. Unidade de Tecnologia de Alimentos (UTAL), Universidade Federal do Acre (UFAC), Rio Branco, AC, Brazil |
| Abstract: | AbstractTotal mercury (Hg) concentrations were assessed during July 2017 in two commercial fish species Pimelodus maculatus and Calophysus macropterus from two locations of Acre river (Acre State, Brazilian Amazon) - Iñapari (undeveloped areas) and Assis Brazil (urban areas). The current study aimed to assess: (i) Hg spatial variations; (ii) the assimilation efficiencies in different tissues and (iii) the ecological quality of these ecosystems based on tissue Hg concentrations. Both species showed significantly (p?p?C. macropterus from Assis Brazil showed evidences of anthropogenic contamination. |
| Keywords: | atomic absorption spectrometry heavy metals ecological quality bioaccumulation factors mercury fish tissue Amazon Basin |