Integrative Ecotoxicological Assessment of Contaminated Sediments in a Complex Tropical Estuarine System

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorMarine Ecotoxicology Research Station-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorFUNDESPA-
Autor(es): dc.contributorAplysia Tecnologia para o Meio Ambiente-
Autor(es): dc.contributorEsplanada dos Ministérios-
Autor(es): dc.contributorInstituto de Pesquisas Energéticas Nucleares-
Autor(es): dc.contributorFacultad de Ciencias - UdelaR-
Autor(es): dc.creatorAbessa, D. M.S.-
Autor(es): dc.creatorCarr, R. S.-
Autor(es): dc.creatorSousa, E. C.P.M.-
Autor(es): dc.creatorRachid, B. R.F.-
Autor(es): dc.creatorZaroni, L. P.-
Autor(es): dc.creatorGasparro, M. R.-
Autor(es): dc.creatorPinto, Y. A.-
Autor(es): dc.creatorBícego, M. C.-
Autor(es): dc.creatorHortellani, M. A.-
Autor(es): dc.creatorSarkis, J. E.S.-
Autor(es): dc.creatorMuniz, P.-
Data de aceite: dc.date.accessioned2025-08-21T18:39:23Z-
Data de disponibilização: dc.date.available2025-08-21T18:39:23Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2016-01-01-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/307677-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/307677-
Descrição: dc.descriptionThe Santos Estuarine System (SES) is a complex of bays, islands, estuarine channels and rivers located on the Southeast coast of Brazil, in which multiple contaminant sources are situated in close proximity to mangroves and other protected areas. In the present study, the bottom sediment quality from the SES was assessed using the Sediment Quality Triad approach, which incorporates concurrent measures of sediment chemistry, toxicity and macrobenthic community structure. Elevated concentrations of metals were detected in the inner parts of the estuary, in the vicinity of outfalls, and in the eastern zone of Santos Bay. PAHs were found at high concentrations only in the Santos Channel. Anionic detergents were found throughout the system, with higher concentrations occurring close to the sewage outfall diffusers and in the São Vicente Channel. Sediments were considered toxic based on whole sediment tests with amphipods and porewater tests with sea urchin embryos. The observed toxicity appeared to coincide with proximity to contaminant sources. The macrobenthic community for the entire study area showed signs of stress, as indicated by low abundance, richness and diversity. The integrative approach suggested that both environmental factors and contaminants were responsible for the altered benthic community structure. The most critically disturbed area was the Santos Channel (upper portion), followed by the São Vicente and Bertioga Channels, and the immediate vicinity of the sewage diffusers.-
Descrição: dc.descriptionUNESP Campus Experimental do Litoral Paulista Praça Infante Dom Henrique, SP-
Descrição: dc.descriptionUS Geological Survey CERC Marine Ecotoxicology Research Station-
Descrição: dc.descriptionInstituto Oceanográfico da USP Praça do Oceanográfico, SP-
Descrição: dc.descriptionFundação de Estudos e Pesquisas Aquáticas FUNDESPA, SP-
Descrição: dc.descriptionAplysia Tecnologia para o Meio Ambiente, ES-
Descrição: dc.descriptionMinistério do Meio Ambiente Esplanada dos Ministérios, DF-
Descrição: dc.descriptionInstituto de Pesquisas Energéticas Nucleares, SP-
Descrição: dc.descriptionSección Oceanología Facultad de Ciencias - UdelaR-
Descrição: dc.descriptionUNESP Campus Experimental do Litoral Paulista Praça Infante Dom Henrique, SP-
Formato: dc.format289-290-
Idioma: dc.languageen-
Relação: dc.relationEnvironmental Research Summaries: Volume 2-
???dc.source???: dc.sourceScopus-
Título: dc.titleIntegrative Ecotoxicological Assessment of Contaminated Sediments in a Complex Tropical Estuarine System-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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