Assessment of lipid compounds and phosphorus in mangrove sediments of Santa Catarina Island, SC, Brazil

Mater, Luciana; Alexandre, Marcelo R.; Hansel, F. A.; Madureira, Luiz A. S.

doi:10.1590/s0103-50532004000500019

Cited by 52 publications

(34 citation statements)

References 35 publications

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“…Considering sediments without sewage contamination, the IP contents represent approximately 60% of the TP (Mater et al, 2004). In the sediment core, values greater than 60% are observed as far back as 1840 (Fig.…”

Section: Temporal Variability Of Nutrientsmentioning

confidence: 97%

See 1 more Smart Citation

Assessment of historical fecal contamination in Curitiba, Brazil, in the last 400 years using fecal sterols

Machado

Froehner

Sánez

et al. 2014

Science of The Total Environment

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Section: Temporal Variability Of Nutrientsmentioning

confidence: 97%

“…A phosphorus analysis was carried out based on methods described by Mater et al (2004). For each sample, two subsamples of 0.5 g dried sediment were used for the phosphorus analyses.…”

Section: Phosphorus Nitrogen and Total Organic Carbon Analysismentioning

confidence: 99%

Assessment of historical fecal contamination in Curitiba, Brazil, in the last 400 years using fecal sterols

Machado

Froehner

Sánez

et al. 2014

Science of The Total Environment

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“…These values are higher than those found in the sediments of Ratones Mangrove (59 to 61%), with no contribution of anthropogenic sources, but similar to those reported for the highly sewage contaminated sediments of Itacorubi Mangrove (79-87%), both located on Santa Catarina Island. 22 From these results it is clear that the OP:IP ratio is affected by sources of phosphorus. According to Marins et al 23 , IP accounts for the major fraction of total phosphorus in the estuary of the Jaguaribe River, in Ceará State, and comprises 60% of TP in sediments without anthropogenic input.…”

Section: Elemental Composition At the Sediment-water Interfacementioning

confidence: 92%

“…9,10 These compounds are abundant in plant epicuticular waxes, with a strong predominance of odd chain-lengths (mainly C 29 and C 31 ) for hydrocarbons and even chain-lengths (mainly C 26 and C 28 ) for alkanols. 11 Marine algae and bacteria are minor sources, with carbon chain-lengths up to C 22 . [11][12][13] Apart from being of biogenic origin, saturated hydrocarbons can also be related to petroleum sources, but they show no clear odd/even predominance and a characteristic unresolved complex mixture.…”

Section: Introductionmentioning

confidence: 99%

Distribution of lipid compounds in sediments from Conceição Lagoon, Santa Catarina Island, Brazil

Silva

Oliveira²,

Oliveira

et al. 2008

J. Braz. Chem. Soc.

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Compostos orgânicos provenientes de cinco amostras de sedimentos e um perfil com 75 cm foram coletados na Lagoa da Conceição, localizada na Ilha de Santa Catarina, com o objetivo de avaliar fontes de matéria orgânica. Os resultados que foram baseados na relação C:N:P, abundância relativa dos esteróis (com predomínio dos C 27 ), álcoois (0,2-1,2 µg g -1 ) e hidrocarbonetos lineares (0,4-5,0 µg g -1 ), e no uso do Índice Preferencial de Carbono (CPI), indicaram que a matéria orgânica é preferencialmente de origem terrestre (C/N > 10 e CPI > 2). Em todos os locais observaram-se correlações significativas entre as quantidades de fósforo (TP, média 5,20 µmol g -1 ) e carbono orgânico total (TOC, média 2,90 mmol g -1 ) com as frações de silte e argila. No perfil, que foi cronologicamente datado com o radionuclídeo 210 Pb, o intervalo de 55 a 75 cm apresentou predomínio de areia (> 50%). Entretanto, outros parâmetros, tais como TOC, TP e hidrocarbonetos também aumentaram nesse intervalo, o que sugere uma mudança na fonte de matéria orgânica.Lipid compounds from five sediment-water interface samples and a sediment core with 75 cm depth were used to assess sources of organic matter in Conceição Lagoon, located on Santa Catarina Island. The results which were based on the molar C:N:P ratios, relative abundance of sterols (dominated by the C 27 sterols), n-alkanols (0.2-1.2 µg g -1 ), n-alkanes (0.4-5.0 µg g -1 ) and the Carbon Preference Index (CPI), indicated that the organic matter is predominantly of terrestrial origin (C/N > 10 and CPI > 2). Total phosphorus (TP, average 5.20 µmol g -1 ) and organic carbon (TOC, average 2.90 mmol g -1 ) contents were well correlated with the silt and clay fractions at all locations. In the sediment core, chronologically dated with the radionuclide 210 Pb, the depth interval from 55 to 75 cm was dominated by the sand fraction (> 50%). However, parameters such as TOC, TP and n-alkane contents increased considerably at this depth suggesting a change in organic matter input sources.

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“…Most of the studies conducted in Brazilian aquatic systems have focused on the distribution of sterols in estuaries and/or coastal bays, [6][7][8][9] estuarine lagoons 10 and lagoon systems, 11,12 but rarely on exclusively fluvial systems. 13 In this study, it was investigated the regional distribution of steroids in sediments from the Iguaçu River and its tributary, the Barigui River.…”

Section: Introductionmentioning

confidence: 99%

Regional assessment of sewage contamination in sediments of the Iguaçu and the Barigui Rivers (Curitiba city, Paraná, southern Brazil) using fecal steroids

Puerari

Carreira

Neto

et al. 2012

J. Braz. Chem. Soc.

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Esteroides derivados de fontes fecal (coprostanol, epicoprostanol e coprostanona) e mista (colesterol, colestanol e colestanona) foram analisados em 19 amostras de sedimentos superficiais, coletados em duas amostragens, por cromatografia gasosa com detector de ionização de chama (GC/FID) para prover uma avaliação regional da contaminação por esgotos nos Rios Iguaçu e Barigui, no Sul do Brasil. As concentrações médias de coprostanol na coleta de verão (109 ± 122 µg g , caracterizam os sedimentos como altamente contaminados por material fecal. Razões diagnósticas usando compostos selecionados sugeriram que os efluentes domésticos são a principal fonte de contaminação, embora o esterco produzido em áreas rurais possa ter importância localizada. Os resultados mostraram que o lançamento de esgotos não tratados pode representar um risco para a saúde ambiental do sistema fluvial quando a capacidade do sistema para dispersar e diluir efluentes é reduzida em períodos de baixo fluxo de água.Steroids derived from fecal (coprostanol, epicoprostanol and coprostanone) and mixed (cholesterol, cholestanol and cholestanone) sources were analyzed in 19 surface sediments collected in two samplings by gas chromatography with flame ionization detection (GC/FID) in order to provide a regional assessment of the sewage contamination in the Iguaçu and Barigui Rivers, Southern Brazil. The mean concentrations of coprostanol in the Summer (109 ± 122 mg g -1 ) and Winter (130 ± 116 µg g -1 ) seasons in 2007, with maximum value of approximately 330 mg g -1 , situate the studied sediments as heavily contaminated by sewage. Diagnostic ratios among selected compounds suggested that domestic effluents were the main source of contamination, although the contribution of manure from livestock might also be locally important. The results show that the release of raw sewage may pose a relevant threat to the environmental health of river systems when the capacity to disperse and dilute the effluents is reduced during periods of small river water flow.

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Assessment of lipid compounds and phosphorus in mangrove sediments of Santa Catarina Island, SC, Brazil

Cited by 52 publications

References 35 publications

Assessment of historical fecal contamination in Curitiba, Brazil, in the last 400 years using fecal sterols

Assessment of historical fecal contamination in Curitiba, Brazil, in the last 400 years using fecal sterols

Distribution of lipid compounds in sediments from Conceição Lagoon, Santa Catarina Island, Brazil

Regional assessment of sewage contamination in sediments of the Iguaçu and the Barigui Rivers (Curitiba city, Paraná, southern Brazil) using fecal steroids

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