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Analysis of trace elements content in shellfish and water quality statue of Opuro-ama Creek, Rivers State, Nigeria

Author Affiliations

  • 1Department of Fisheries, Faculty of Agriculture, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Nigeria.
  • 2Department of Environmental Technology and Management, World Bank Africa Centre of Excellence, Centre for Oil Field Chemicals Research, University of Port Harcourt, P.M.B. 5323, Rivers State, Nigeria
  • 3Department of Chemical Sciences, Biochemistry Option, Faculty of Science, Edwin Clark University, Kiagbodo, Delta State, Nigeria

Int. Res. J. Environment Sci., Volume 13, Issue (1), Pages 17-27, January,22 (2024)


In this study, the content of essential minerals, copper (Cu), iron (Fe), manganese (Mn), calcium (Ca), and sodium (Na) in the edible parts of Tympano Tonus Fuscatus, Thais coronata, Crassostrea gasar, Cardisoma Guanhumi and Callinectes amnicola from Opuro-ama creeks were analyzed using Atomic Absorption Spectrophotometer and descriptive statistical analyses of Variance were done using SPSS and significant means were separated using the Duncan multiple range test at 0.05.High Cu content was found in the T. coronata (9.66mg/g) while the lowest was observed in C. amnicola (0.54mg/g). Fe was more in C. gasar (37.8mg/g) and lowest in T. fuscatus (6.78mg/g). The concentration of Manganese was highest in C. guanhumi (144.8mg/g) and least T. fuscatus in (15.9mg/g). C. guanhumi recorded the highest (225.1mg/g) Ca content while the least was observed in T. fuscatus (55.8mg/g). T. coronata recorded the highest (2.11mg/g) Na content while the least was found in T. fuscatus (0.22mg/g). Ca was the highest mineral observed in all five shellfishes and the least was Sodium (Ca >Mn.>Fe>Cu>Na). The physicochemical parameters such as Temperature (°C), pH, Salinity (ppt), DO (Mgl-1), BOD (Mgl-1) and Conductivity (µS/cm) observed during the study were all within the acceptable limits of the World Health Organization (WHO), Department of Petroleum Resources (DPR) and Federal Environmental Protection Agency (FEPA). The five shellfish species from the Opuro-ama creeks were shown to be good providers of nutrients at various levels, therefore might be a useful alternative for other sources of materials for animal feed formulation.


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