Sewage contamination in a tropical coastal area (São Sebastião Channel, SP, Brazil)

Muñiz, Pablo; Silva, D.A.M. da; Bı́cego, Márcia Caruso; Bromberg, Sandré; Pires-Vanin, Ana Maria Setúbal

doi:10.1016/j.marpolbul.2015.07.046

Cited by 28 publications

(5 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Sewage input, a major type of anthropogenic contamination that causes declining water quality in aquatic ecosystems, can be assessed using molecular markers (e.g., Bull et al, 2002;Carreira et al, 2004;Muniz et al, 2015;Derrien et al, 2017). Sterols, a common type of molecular markers, can be used to determine sources and fate of both anthropogenic (e.g., fecal input; e.g., Bull et al, 2002) and natural organic matter (OM; e.g., marine and terrigenous; Volkman, 2005) in environments.…”

Section: Introductionmentioning

confidence: 99%

“…These two sterols (brassicasterol and cholesterol) are widely used as biomarkers of aquatic OM. In contrast, the fecal sterols such as coprostanol (5β-cholestan-3β-ol) and epicoprostanol (5βcholestan-3α-ol) are usually considered to be derived from fecal pollution and urban wastewater inputs (Grimalt et al, 1990;González-Oreja and Saiz-Salinas, 1998;Bull et al, 2002;Carreira et al, 2004;Vane et al, 2010;Adnan et al, 2012;Abreu-Mota et al, 2014;Muniz et al, 2015;Rada et al, 2016). Coprostanol, a fecal sterol (5β-stanol) detected predominantly in human feces, is preferentially produced in human guts by enzymatic reduction of cholesterol through anaerobic bacteria (Macdonald et al, 1983).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Using fecal sterols to assess dynamics of sewage input in sediments along a human-impacted river-estuary system in eastern China

Zhang

Tang

et al. 2018

Science of The Total Environment

View full text Add to dashboard Cite

Sedimentary fecal sterols and other sterol biomarkers, combined with bulk total organic carbon (TOC) and its stable carbon isotope were applied to characterize the sewage contamination across a ca. 280 km transect from the Xiaoqing River to the Laizhou Bay, a typical river-estuary system subjected to extensive anthropogenic stress due to rapid regional urbanization and industrialization in eastern China. Two sampling events were performed in both spring and summer seasons in the Laizhou Bay adjacent to the Xiaoqing River in order to assess the potential seasonal variation. Fecal sterols such as coprostanol and epicoprostanol, which are typical indicators of anthropogenic sewage input, displayed high concentrations of up to 63.2 μg g dry weight (dw) and 13.1 μg g dw, respectively. Results suggested that most of the stations along the Xiaoqing River were severely contaminated by fecal inputs with a decreasing trend from the river to the estuary that was mainly explained by the increasing distance from the diffuse sewage sources and the gradual dilution by sea water. Although there was no significant difference in fecal sterol concentrations between spring and summer in the Laizhou Bay, suggestive of no significant difference in sewage abundance, significantly higher average epicoprostanol/coprostanol and lower coprostanol/epicoprostanol ratios were observed in spring than summer, indicative of different sewage sources (e.g., human vs. non-human). Seasonal discharge and land-runoff, air temperature related to microbial activity differences and different extend of animal manure irrigation during agricultural planting could be additional reasons and need further investigation. Nevertheless, fecal sterol concentrations, distributions and diagnostic ratios should all be taken into consideration to better understand sewage inputs and source dynamics in river-estuary ecosystems.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Using fecal sterols to assess dynamics of sewage input in sediments along a human-impacted river-estuary system in eastern China

Zhang

Tang

et al. 2018

Science of The Total Environment

View full text Add to dashboard Cite

show abstract

“…18.9 µg.g -1 at site 6, 9.3 µg.g -1 at site 27), found at much higher concentrations than the 1.00 µg.g -1 threshold suggested by Martins et al (2007), and surpassing values from contaminated areas around the world (Readman et al, 2005;Tolosa et al, 2014). This result confirms previous reports of contamination in the area, highlighting the impact of the nearby marine outfall (Gubitoso et al, 2008;Muniz et al, 2015).…”

Section: Spatio-temporal Distribution and Relationship With Contaminantssupporting

confidence: 86%

“…Aside from organic matter increasing with mud fractions in the area, hydrocarbons and heavy metals also increased with presence of silt/clay. Thus, the relationship of the index with silt/clay fractions may also be an indicative of higher contamination, as increases in these sediment fractions enhance the surface area for the adsorption of pollutants (Thompson and Lowe, 2004;Muniz et al, 2015;Cardoso-Silva et al, 2016).…”

Section: Spatio-temporal Distribution and Relationship With Contaminantsmentioning

confidence: 99%

Interações da fauna bentônica com o substrato não consolidado na Baía do Araçá (São Sebastião, SP)

Checon¹

View full text Add to dashboard Cite

Agradeço a minha família, por todo o suporte que proporcionaram e ainda proporcionam, e que fez possível a minha busca pela carreira acadêmica À Professora Cecília, pela orientação e parceria ao longo do mestrado e doutorado. Sou muito grato pelos ensinamentos, e espero poder honrar no future o que aprendi nesse tempo Ao Professor André Garraffoni, pela confiança que depositou em mim Aos membros da banca e pré-banca, pelo aceite em participar da defesa e pelas sugestões para melhorar o trabalho Aos professores do Programa de Pós-Graduação em Ecologia da Unicamp, pelos ensinamentos que me permitiam crescer como pesquisador Ao programa de pós-graduação em ecologia e funcionários, pelo suporte À Capes, pela bolsa concedida durante o doutorado Aos funcionários do Cebimar/USP, pelo suporte dado durante as coletas Ao projeto BIOTA/FAPESP-Araçá, por todo o recurso financeiro concedido, que possibilitou o desenvolvimento do projeto e a participação e divulgação do trabalho em congressos A todos pesquisadores envolvidos no projeto Biota/Araçá Aos colegas que ajudaram durante o cansativo processo de triagem…com certeza a presença de vocês aliviou a tensão dos períodos de coletas Aos amigos das repúblicas que morei em Barão Geraldo, pelo companheirismo que fez com que sempre me sentisse em casa Aos amigos da pós-graduação:

show abstract

“…Therefore, it is essential to study the costs and benefit and possible impacts before installing a submarine outfall [4]. Notably, if not well planned, the marine disposal can contribute to the degradation of marine environments and cause negative impacts, such as alterations in the local fauna [4], eutrophication [5], contamination of water, sediments and organisms by chemical compounds [6,7], and may, lastly, also affect human health [8][9][10]. Furthermore, dispersion may be limited in sheltered transitional waters [11], leading to the accumulation of sewage water in shallow coastal areas.…”

Section: Introductionmentioning

confidence: 99%

Domestic Sewage Outfall Severely Altered Environmental Conditions, Foraminiferal Communities, and Ecological Quality Statuses in Front of the Nearshore Beach of Cigarras (SE Brazil)

Filippos

Duleba

Hohenegger

et al. 2023

Water

View full text Add to dashboard Cite

This study aims to analyses the response of meiofaunal organisms (foraminifera) to disturbances caused by the diffusers of domestic sewage outfall at Cigarras beach, SE Brazil. Hydrographical, sedimentological (grain size and geochemical), and living benthic foraminiferal recorded in 2006 and 2007 analyzed in ten stations were compared with the same results analyzed in two control/reference stations (sampled in 2008). The results of this work show that, in the benthic environment of the Cigarras region, moderated hydrodynamic conditions, relatively high total organic carbon, total nitrogen, total sulfur contents, oxic water column and anoxic sediments, organic matter supplied by marine productivity and from mixed sources prevail. Living foraminiferal assemblages denote that the Cigarras region is undergoing environmental degradation due to progressive organic enrichment directly influenced by the domestic sewage outfall. The effluents discharged by the domestic sewage constrained the composition of foraminiferal communities (which include mainly stress tolerant species) with probable impacts on the entire marine trophic chain. Noticeably, the tolerant species Ammonia tepida, Bolivina striatula and Buliminella elegantissima dominated at the stations under the influence of the sewage outfall. In addition, Ammonia parkinsoniana was found in moderate abundances, and the moderate level of TOC enrichment by the sewage outfall did not prevent the survival of this sensitive species. The ecological quality status inferred from the diversity index Exp(H’bc) calculated on foraminifera showed the poor ecological status of benthic habitats in the area. Overall, this work highlighted the adverse effects of the sewage outfall on the benthic ecosystem in front of the Cigarras beach in Brazil. Future works should investigate the current ecological quality of the area to figure out if any change occurred since the present study sampling.

show abstract

Sewage contamination in a tropical coastal area (São Sebastião Channel, SP, Brazil)

Cited by 28 publications

References 32 publications

Using fecal sterols to assess dynamics of sewage input in sediments along a human-impacted river-estuary system in eastern China

Using fecal sterols to assess dynamics of sewage input in sediments along a human-impacted river-estuary system in eastern China

Interações da fauna bentônica com o substrato não consolidado na Baía do Araçá (São Sebastião, SP)

Domestic Sewage Outfall Severely Altered Environmental Conditions, Foraminiferal Communities, and Ecological Quality Statuses in Front of the Nearshore Beach of Cigarras (SE Brazil)

Contact Info

Product

Resources

About