![](/images/graphics-bg.png)
Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria
Joint Authors
Unyimadu, John P.
Osibanjo, O.
Babayemi, Joshua O.
Source
Journal of Environmental and Public Health
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-06-28
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Investigation of the levels of organochlorine pesticides (OCPs) in fish samples was carried out to assess the contamination status of Niger River.
Ten different brackish water species of fish (6 samples for each, making a total of 60) were purchased from landing sites at the Delta area of Niger River.
These were Drapane africana, Mochokus niloticus, Chrysichthys nigrodigitatus, Pristipoma jubelini, Vomer septapinis, Pseudotolithus senegalensis, Mugil cephalus, Pseudotolithus elongatus, Sphyraena piscatorum, and Lutjanus goreensis.
OCPs were determined using standard methods.
Certified reference standards from Accustandard USA were used for the instrument calibration and quantification of OCPs.
Twenty OCPs, namely, α-HCH, β-HCH, γ-HCH, δ-HCH, endrin, endrin aldehyde, endrin ketone, heptachlor, heptachlor epoxide, aldrin, dieldrin, endosulfan I, endosulfan II, endosulfan sulfate, methoxychlor, α-chlordane, γ-chlordane, DDE, DDT, and DDT, were identified/quantified using Gas Chromatography (GC) (Hewlett Packard GC 5890 series 11 with electron capture detector).
Confirmation was done using Shimadzu GCMS QP2010.
The highest concentration of ∑OCPs in the brackish fish samples of the Niger River, 4302±2066 µg/kg fresh weight, with a range of 2237-6368 µg/kg, was detected in Drapane africana, while the lowest concentration, 2320±876.4, with a range of 1006-3288 µg/kg, was found in Mochokus niloticus.
The concentration of total OCP compounds varied markedly amongst the different fish species.
The guideline value of 2000 µg/kg fresh weight by WHO/FAO was exceeded and therefore implied potential harmful effects on humans.
Since contamination of the fish samples was an indication of contamination of the river, the quality of the water for public water supply should be of concern; and therefore further monitoring is suggested.
American Psychological Association (APA)
Unyimadu, John P.& Osibanjo, O.& Babayemi, Joshua O.. 2018. Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria. Journal of Environmental and Public Health،Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1184755
Modern Language Association (MLA)
Unyimadu, John P.…[et al.]. Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria. Journal of Environmental and Public Health No. 2018 (2018), pp.1-9.
https://search.emarefa.net/detail/BIM-1184755
American Medical Association (AMA)
Unyimadu, John P.& Osibanjo, O.& Babayemi, Joshua O.. Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria. Journal of Environmental and Public Health. 2018. Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1184755
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1184755