Speciation and ımplications of heavy metal content in surface sediments of Akyatan Lagoon–Turkey

Davutluoglu, Orkun I.; Seçkin, Galip; Kalat, Demet; Yılmaz, Tuncay; Ersü, Çağatayhan B.

doi:10.1016/j.desal.2010.04.031

Cited by 51 publications

(17 citation statements)

References 51 publications

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“…Cd bound to sediments found in this study is consistent with findings from the western area of the southwestern coast of Spain (15-25%) [15], but lower than those from the Pearl River Estuary in China (>50%) [27] and from the Mahanadi estuary in India (31%) [26]. On the contrary, Cd concentration associated with fraction F1 of surface sediments of the Ebrie lagoon was higher than those in the Akyatan lagoon (undetectable), Turkey [37]. The reducible fraction F2 was the second most abundant non-residual fraction for Bietri, Cocody, and Abou-Abou bays.…”

Section: Sequential Extraction For CD Fractionation In Surface Sedimentssupporting

confidence: 81%

Preliminary assessment of cadmium mobility in surface sediments of a tropical estuary

Kouassi¹,

Yao²,

Trokourey³

et al. 2014

Bull. Chem. Soc. Eth.

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ABSTRACT. Cadmium is a toxic metal often found with a strong enrichment factor in coastal sediments. The sequential extraction procedure proposed by the BCR (Community Bureau of Reference) was applied for partitioning of Cd in tropical estuary sediments. The method showed satisfactory recoveries. The repartition of Cd in different phases of sediment was controlled by the residual phase (50.32 to 67.45 %). However, the exchangeable and acid soluble fraction (F1) was in general found to be the second most abundant fraction in the surface sediments (11.14 to 15.24 %), indicating that an important portion of Cd could be remobilized, thus becoming available to aquatic biota. Cd also showed different distribution patterns in the sediment phases due to the heterogeneity of the sediments, as well as the physical and chemical conditions along with the different sources of Cd in the bays. The risk assessment code investigation showed a medium risk of Cd in the estuary.

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Section: Sequential Extraction For CD Fractionation In Surface Sedimentssupporting

confidence: 81%

Preliminary assessment of cadmium mobility in surface sediments of a tropical estuary

Kouassi¹,

Yao²,

Trokourey³

et al. 2014

Bull. Chem. Soc. Eth.

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“…Agriculture is the primary land use in the region, where fertilizers are commonly applied to the major crops which include cereals, a variety of fruit, cotton, peanuts, and watermelon (Davutluoglu et al 2011). The lagoon bottom sediments generally consist of clay and silt, in addition to sand, and the sediments are contaminated with some heavy metals and other pollutants (Davutluoglu et al 2010). …”

Section: Methodsmentioning

confidence: 99%

“…Mingazova et al (2008) evaluated the ecological state of two Mediterranean lagoons along the Turkish coast, one of which is the Akyatan Lagoon. Our research group previously addressed total metal content and metal speciation in Akyatan Lagoon sediments (Davutluoglu et al 2010). As a further stage, the goal of this study was to determine the monthly and spatial changes in Akyatan Lagoon water quality for a period of 1 year.…”

Section: Introductionmentioning

confidence: 99%

Water quality of Mediterranean coastal plains: conservation implications from the Akyatan Lagoon, Turkey

Yetiş

Selek

Seçkin

et al. 2014

Environ Monit Assess

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The water quality of the Akyatan Lagoon was characterized using hydrochemical methodology. The lagoon is located on the Mediterranean coast and is the largest wetland ecosystem in Turkey. In addition, the lagoon is classified as a hyper-salinity wetland. Water samples were collected monthly between December 2007 and November 2008. Eleven stations within the lagoon were determined, and triplicate grab samples were obtained from each station to characterize water quality as follows: T °C, pH, total alkalinity (TAlk), dissolved oxygen (DO), total dissolved solids (TDS), salinity, electrical conductivity (EC), and main anions, including chloride (Cl(-)), nitrates (NO3 (-)), and sulfate (SO4 (2-)). Results from selected stations indicated varying TDS, EC, salinity, and Cl(-) concentrations, from 20,892 to 175,824 mg/L, from 35.7 to 99.6 mS/cm, from 22.3 to 71.0 ppt, and from 14,819 to 44,198 mg Cl(-)/L, respectively. Data indicated that the spatial distribution of water quality parameters was significantly affected by freshwater input via the constructed drainage channels which collect water from a catchment area and discharge water into the lagoon as a point source, thus preventing drainage water to reach the lagoon as a nonpoint source.

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“…Potential seasonal influence on PTM fractionation in tropical lagoon systems does not appear to have been previously investigated, although Davutluoglu et al (2010) has reported that BCR fractionation patterns for Cr, Cu, Mn, Ni, Pb and Zn in sediments of a Mediterranean lagoon on the south coast of Turkey were similar in wet and dry seasons. In the Lagos sediments, not only were analyte concentrations generally higher in the dry season, but there were also higher proportions of PTM present in more labile forms released earlier in the sequential extraction procedures.…”

Section: Sequential Extractionmentioning

confidence: 98%

Fractionation and ecotoxicological implication of potentially toxic metals in sediments of three urban rivers and the Lagos Lagoon, Nigeria, West Africa

Oyeyiola

Davidson

Olayinka

et al. 2014

Environ Monit Assess

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This version is available at https://strathprints.strath.ac.uk/49046/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge.Any correspondence concerning this service should be sent to the Strathprints administrator: strathprints@strath.ac.ukThe Strathprints institutional repository (https://strathprints.strath.ac.uk) is a digital archive of University of Strathclyde research outputs. It has been developed to disseminate open access research outputs, expose data about those outputs, and enable the management and persistent access to Strathclyde's intellectual output. Application of risk assessment codes and Hankanson potential risk indices indicated that Cd was the element of greatest concern in the Lagos Lagoon system. The study indicated that there is a need to strengthen environmental management and pollution control measures to reduce risk from PTM, but that even relatively simple strategies, such as seasonal restrictions on dredging and fishing, could be beneficial.

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Speciation and ımplications of heavy metal content in surface sediments of Akyatan Lagoon–Turkey

Cited by 51 publications

References 51 publications

Preliminary assessment of cadmium mobility in surface sediments of a tropical estuary

Preliminary assessment of cadmium mobility in surface sediments of a tropical estuary

Water quality of Mediterranean coastal plains: conservation implications from the Akyatan Lagoon, Turkey

Fractionation and ecotoxicological implication of potentially toxic metals in sediments of three urban rivers and the Lagos Lagoon, Nigeria, West Africa

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