Trace metals enrichment and potential ecological risk in sediments of the Sepetiba Bay (Rio de Janeiro, SE Brazil)

Silva, Layla Cristine da; Martins, Maria Virgínia Alves; Castelo, Wellen Fernanda Louzada; Saibro, Murilo Barros; Rangel, Dandara; Pereira, Egberto; Bergamaschi, Sérgio; Sousa, Silvia Helena de Mello e; Varela, Josefa; Laut, Lázaro; Frontalini, Fabrizio; Chaves, Hernani Aquini Fernandes; Reis, Antônio Tadeu dos; Aguilera, Orangel; Zaaboub, Noureddine; Cheriyan, Eldhose; Geraldes, Mauro César

doi:10.1016/j.marpolbul.2022.113485

Cited by 16 publications

(2 citation statements)

References 105 publications

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“…The tropical climate of the region is characterized by a rainy summer and a dry winter, with 1200 mm annual average rainfall [ 34 , 35 , 36 ]. The Sepetiba Bay is located on the southeastern coast of Brazil, in the state of Rio de Janeiro, with ~447 km 2 of extension area at high tide [ 37 ]. It is a body of saline and brackish water, which communicates with the Atlantic Ocean through two passages, one on the west and another on the east, as well as having great influence on rivers and tidal channels in its innermost part.…”

Section: Methodsmentioning

confidence: 99%

Agrochemical Residues in Fish and Bivalves from Sepetiba Bay and Parnaiba River Delta, Brazil

Miranda

Fogaça

Cunha

et al. 2022

IJERPH

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Accumulation of pesticides has a harmful impact on the environment and human health. The main goal of this work was to develop a method to determine and quantify the residues of thirteen pesticides in edible fish and bivalves such as parati (Mugil curema), seabass (Centropomus ssp.), mullet (Mugil brasiliensis), clams (Anomalocardia brasiliana) and mussel (Mytilus galloprovincialis) collected from Sepetiba Bay and Parnaiba River Delta (Brazil) between 2019 and 2020. Matrix solid-phase dispersion (MSPD) was used for extraction and quantification through gas chromatography coupled to tandem mass spectrometry (GC-MS/MS). The method was validated (linearity, accuracy and precision) for fatty fish (Salmo salar), lean fish (Mugil curema) and bivalves (Mytilus edulis). The survey found linear correlation coefficients (r) equal to or greater than 0.9 for almost all analytes. The relative standard deviations (RSD) of five replicates were less than 20% for almost all analytes at different concentrations in lean fish, fatty fish and bivalves. Most analytes showed satisfactory accuracy. Alachlor herbicide was found in samples of seabass, mussels, clams and parati with levels ranging between 0.55 to 420.39 μg kg−1 dw. Ethion was found in parati (maximum 211.22 μg kg−1 dw), mussels (15.1 μg kg−1 dw) and clams (maximum 44.50 μg kg−1 dw). Alachlor was found in clams (maximum 93.1 μg kg−1 dw), and bifenthrin was found in parati (maximum 43.4 μg kg−1 dw) and clams (maximum 42.21 μg kg−1 dw). The validated method was satisfactory for the determination of eleven pesticides in the fatty fish matrix, and thirteen pesticides in the samples of lean fish and bivalves. The presence of alachlor, ethion and bifenthrin stands out.

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Section: Methodsmentioning

confidence: 99%

Agrochemical Residues in Fish and Bivalves from Sepetiba Bay and Parnaiba River Delta, Brazil

Miranda

Fogaça

Cunha

et al. 2022

IJERPH

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“…In 2021, the Port of Itaguaí shipped more than 50 million tons of grains, according to data from the Brazilian National Water Transport Agency (ANTAQ, 2022). These industrial developments, combined with the unregulated development of real estate on the coastline, have led to an accumulation of impacts, including increasing concentrations of contaminants in the bay’s water (Carneiro et al, 2013; Ribeiro et al, 2013; Pereira et al, 2015; Da Silva et al, 2022; Mello et al, 2022), deforestation of the mangroves (Araújo et al, 2017b) and species invasions (Andrade‐Tubino et al, 2021). These processes contribute cumulatively and synergistically to the degradation and impoverishment of local natural habitats.…”

Section: Introductionmentioning

confidence: 99%

20 years of research on the Guiana dolphin population of Sepetiba Bay, southeastern Brazil: What has changed?

Maciel,

Maricato,

Marqui

et al. 2023

Aquatic Conservation

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Despite the importance of coastal habitats for the provision of many ecosystem services, these areas are currently among the most impacted by human activities. Impacts on coastal ecosystems may affect many key species, such as the Guiana dolphin, which inhabits Sepetiba Bay in south‐eastern Brazil, a highly degraded environment owing to a human‐induced rapid environmental change. In this context, this study investigates the potential changes in the local Guiana dolphin behaviour, group structure, bioacoustics, site fidelity and habitat use over the past 20 years. For this, a historical database (1998–2007) was compared with current data on the local dolphin population (2017–2019). Between 2017 and 2019, the Guiana dolphins form significantly smaller groups (W = 3262.5, P > 0.001), spend more time foraging (61 vs. 10% in the past), emit whistles at a considerably lower rate (decreasing by 85.2%), have reduced site fidelity and now use a larger area. As Sepetiba Bay has been severely impacted by human activities in the recent past, with profound consequences for much of its biodiversity, the observed changes in dolphin behaviour are probably a consequence of habitat degradation and, in particular, of reduced prey availability. These findings have important implications for the management and conservation of the Guiana dolphin population of Sepetiba Bay. To break this human‐induced rapid environmental change, it will be essential to minimize the spatio‐temporal overlap of anthropogenic impacts, to avoid cumulative impacts. To mitigate anthropogenic impacts on the Guiana dolphins of Sepetiba Bay, it will be important to direct the following actions: (i) the regulation and control of anthropogenic noise; (ii) reduction and control of the release of chemical contaminants and organic effluents; (iii) more effective controls on vessel traffic within the areas used preferentially by the Guiana dolphin; and (iv) the implementation of measures to avoid overfishing and bycatch.

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Copper, zinc, and chromium accumulation in aquatic macrophytes from a highly polluted river of Argentina

Serafini

Arreghini

Troiani

et al. 2022

Environ Sci Pollut Res

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Trace metals enrichment and potential ecological risk in sediments of the Sepetiba Bay (Rio de Janeiro, SE Brazil)

Cited by 16 publications

References 105 publications

Agrochemical Residues in Fish and Bivalves from Sepetiba Bay and Parnaiba River Delta, Brazil

Agrochemical Residues in Fish and Bivalves from Sepetiba Bay and Parnaiba River Delta, Brazil

20 years of research on the Guiana dolphin population of Sepetiba Bay, southeastern Brazil: What has changed?

Copper, zinc, and chromium accumulation in aquatic macrophytes from a highly polluted river of Argentina

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