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CNCSIS B+ (code 820) since 2007

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Journal Info

Title: Studia Universitatis Vasile Goldis, Seria Stiintele Vietii (Life Sciences Series)
Abbreviated title: Studia Univ. VG, SSV
Publisher: "Vasile Goldis" University Press
Owner: Western University "Vasile Goldis" Arad, Romania
ISSN: 1584-2363
e-ISSN: 1842-7863
ISSN-L: 1584-2363

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Acute toxicity of produced water on Clarias gariepinus juveniles Print E-mail
Written by Olorunfemi D. I., Olomukoro J.O., Anani O.A.   
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Article Title: Acute toxicity of produced water on Clarias gariepinus juveniles
Authors: Olorunfemi D. I., Olomukoro J.O., Anani O.A.
Affiliation: 1Department of Environmental Management and Toxicology, Faculty of Life Sciences University of Benin, Benin City, Nigeria 2Department of Animal and Environmental Biology, Faculty Life Sciences University of Benin, Benin City, Nigeria
Abstract: One of the greatest challenges posed by environmental risks to aquatic lives in the Niger Delta region of Nigeria results from the indiscriminate discharge of produced water from oil and gas exploration activities in the area into the environment. In this study, Clarias gariepinus juveniles (measuring 17±1.0 cm and mean weight 12.4±0.5 g) were exposed to different concentrations of produced water under laboratory conditions to determine the 96 h LC50 value. The acute toxicity of exposed juveniles was found to be 3.31 ml/L with lower and upper confidence limits of 2.14 ml/L and 3.10 ml/L respectively. Juveniles showed abnormal behaviours, including erratic swimming, restlessness, loss of balance, respiratory distress and death. The degrees of the observed abnormalities were directly proportional to the produced water concentration.
Keywords: produced water, clarias gariepinus, acute toxicity, niger delta, aquatic lives
References:
*Correspondence: Daniel Ikudayisi Olorunfemi, Department of Environmental Management and Toxicology, Faculty of Life Sciences, University of Benin, Benin City, Nigeria