Determination of water quality, toxicity and estrogenic activity in a nearshore marine environment in Rio de Janeiro, Southeastern Brazil.
作者： Marilia Teresa Lima do Nascimento , Ana Dalva de Oliveira Santos , Louise Cruz Felix , Giselle Gomes , Mariana de Oliveira e Sá
DOI: 10.1016/J.ECOENV.2017.11.045
关键词:
摘要: Endocrine disrupting compounds (EDCs) can be found in domestic sewage, wastewater treatment plant effluents, natural water, rivers, lakes and the marine environment. Jurujuba Sound, located state of Rio de Janeiro, Southeastern Brazil, receives untreated sewage into its waters, one main sources aquatic contamination this area. In context, aim present study was to evaluate estrogenic potential water sampled from different depths areas with differential levels throughout Sound. Water quality evaluated acute toxicity assays using Allviibrio fischeri were conducted, while activity samples determined by a Yeast Estrogen Screening assay (YES). mostly within limits established for waters Brazilian legislation, only DOC ammoniacal nitrogen above maximum permissible limits. No effects observed Allivibrio fisheri assay. The YES detected moderate bottom 3 sampling stations, ranging 0.5 3.2ngL-1, as well surface sample. Estrogenic most frequently column, indicating adsorption sediment.
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