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Ogwu Chukwudi
Egun Anwuzie Christian*
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Egun Anwuzie Christian*
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International Research Journal of Curriculum and Pedagogy

Analysis of the heavy metals content of the surface water of Ojo L.G.A., Lagos, Nigeria for cage aquaculture in secondary schools

Analysis of the heavy metals content of the surface water of Ojo L.G.A., Lagos, Nigeria for cage aquaculture in secondary schools

Ogwu Chukwudi and Egun A.C

Department of Vocational Education, Agricultural Science Unit, Delta State University, Abraka, Nigeria.

Accepted 16 July, 2016.

Citation: Chukwudi O, Egun AC (2017). Analysis of the heavy metals content of the surface water of Ojo L.G.A., Lagos, Nigeria for cage aquaculture in secondary schools. International Research Journal of Curriculum and Pedagogy, 3(1): 025-030.

Copyright: © 2017 Chukwudi and Egun. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

The unemployment malaise in Nigeria has reached a frightening level, the Federal Government of Nigeria in its effort to reduce this social ill, introduced trade curriculum in 34 skill areas including aquaculture. Good quality water that is, without pollutants is a vital factor and it is given utmost attention in aquaculture schemes. This study therefore investigated the heavy metals content of the surface water in Ojo for their suitability for cage aquaculture. The heavy metals investigated were Zn, Cu, Fe, Hg, Pb, Cr. The research area Ojo was mapped out into five stations. From each of the stations water samples were randomly collected from ten (10) sampling sites, bulked and a composite drawn for analysis. The analytical methods adopted were APHA 3111B (20th edition) APHA 311D (5th edition) and APHA 303C (15th edition). The determination of the metals was done with ATI Unicam High performance liquid Chromatography fitted with ultra-violet florescent detector. The results obtained were, Zn 0.560±0.135, Fe, 0.106±0.087, Hg, 0.000±0.000, Pb, 0.000±0.000, and Cr, 0.000±0.007. These show no significant difference. This reveals that the heavy metals content of Ojo surface water is still within WHO acceptance level. It is therefore recommended that schools located in Ojo area of Lagos should embark on aquaculture using cage method for the inculcation of fishery skills.

Keywords: Water, heavy metals, cage, aquaculture