Assessment of mercury and lead contamination using the bivalve Anadara tuberculosa (Arcidae) in an estuary of the Colombian Pacific

Rincón, Camilo Andrés Micán; Salamanca, Enrique J Peña; Kintz, Jaime Ricardo Cantera; Lizcano, Omaira Vera; Cruz‐Quintana, Yanis

doi:10.1016/j.marpolbul.2022.114519

Marine Pollution Bulletin

2023

DOI: 10.1016/j.marpolbul.2022.114519

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Assessment of mercury and lead contamination using the bivalve Anadara tuberculosa (Arcidae) in an estuary of the Colombian Pacific

Camilo Andrés Micán Rincón

Enrique J Peña Salamanca

Jaime Ricardo Cantera Kintz

et al.

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Cited by 6 publications

References 20 publications

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Effect of environmental variables on mercury accumulation in sediments of an anthropogenically impacted tropical estuary (Buenaventura Bay, Colombian Pacific)

Molina,

Duque,

Cogua

2023

Environ Monit Assess

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Estuaries are the main entry areas of mercury to the marine environment and are important to understand the effect of this contaminant on marine organisms, since it accumulates in the sediments becoming available to enter the food trophic chain. This study aims to determine the environmental variables that mainly influence the spatiotemporal dynamics of total mercury accumulation in sediments of tropical estuaries. Sediment samples were collected from interior and exterior areas of the estuary during the dry and rainy seasons, representing the spatiotemporal gradients of the estuary. The grain size, organic matter content (OM), and total mercury concentration (THg) of the sediment samples were determined. In addition, salinity, temperature, dissolved oxygen, and pH of the water column associated with each sediment sample were assessed. The variations in environmental conditions, OM and THg in sediment were in accordance with a gradient which goes from conditions influenced by fresh water in the inner estuary to conditions influenced by sea water in the outer part of the estuary. The OM and THg in sediments presented similar variation patterns; they were higher in the rainy season than in the dry season and in the interior area of the estuary than in the exterior area. Despite the complex dynamic observed in the distribution and accumulation processes of mercury in sediments, these processes could be modeled from OM and salinity parameters. Due to the correlations found, in the process of accumulation of mercury in sediments the OM could represents the pathway of transport and accumulation of THg, and salinity could represent the influence of the hydroclimatic variations and environmental gradients of the estuary.

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Effect of environmental variables on mercury accumulation in sediments of an anthropogenically impacted tropical estuary (Buenaventura Bay, Colombian Pacific)

Molina,

Duque,

Cogua

2023

Environ Monit Assess

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Vertical distribution and trace element contamination in sediment cores affected by gold mining in Colombia

Marrugo-Negrete,

Pinedo-Hernández,

Marrugo-Madrid

et al. 2023

Chemosphere

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Assessment of Copper and Zinc Concentrations in Anadara granosa

Idris,

Jamil,

Zakaria

et al. 2023

BIO Web Conf.

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Due to economic growth and increased human activities, large amounts of metal pollutants have been discharged into the aquatic environment. Anadara granosa, which is a filter feeder cockle species, can act as an indicator to evaluate the presence of metal elements. It is a prominent cockle species and an important protein source in Southeast Asia. Thus, this study aims to evaluate the distributions of metal elements in commercialised Anadara granosa sampled from Jeli wet market, and to assess the safety of consumption using Target Hazard Quotients (THQ). The concentrations of Cu, and Zn in those samples were determined using the acid digestion method, which has been verified with standard reference material. Based on the findings, metal concentrations in Anadara granosa followed the order of; Zn > Cu. The differences in metal accumulation observed in Anadara granosa were probably due to the differences in their environmental conditions. Results from preliminary risk assessments suggest that the risks posed by metals via consumption of Anadara granosa for Cu and Zn were within the tolerable region. The Hazard Quotient (HQ) of, Cu and Zn was < 1, indicating no potential human health risk. However, it is advisable to limit the intake of Anadara granosa to reduce the risk of potential health effects.

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Assessment of mercury and lead contamination using the bivalve Anadara tuberculosa (Arcidae) in an estuary of the Colombian Pacific

Cited by 6 publications

References 20 publications

Effect of environmental variables on mercury accumulation in sediments of an anthropogenically impacted tropical estuary (Buenaventura Bay, Colombian Pacific)

Effect of environmental variables on mercury accumulation in sediments of an anthropogenically impacted tropical estuary (Buenaventura Bay, Colombian Pacific)

Vertical distribution and trace element contamination in sediment cores affected by gold mining in Colombia

Assessment of Copper and Zinc Concentrations in Anadara granosa

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