Have a personal or library account? Click to login
Metal contents in fish and crustaceans from brackish, freshwater and marine systems in South-Western Nigeria Cover

Metal contents in fish and crustaceans from brackish, freshwater and marine systems in South-Western Nigeria

Open Access
|Oct 2018

Abstract

Present study investigated trace element concentrations in either muscles or whole samples of 37 finfish and crustaceans harvested with gillnet from fresh (Olomore), marine (Eti osa) and brackish (Lekki Lagoon) waters of Ogun and Lagos states, Nigeria between June and August 2013. Trace elements were determined using ICP-MS after digestion with a microwave autoclave system. The results revealed that the general trend of trace elements in the sampled finfish and crustaceans was marine > brackish > freshwater. If all the samples are considered, 16.2% and 13.5% exceeded the 20 μg g−1 and 30 μg g−1 limits for Cu and Zn, respectively, as set by the European Union, while 71%, 50%, 79% of marine, fresh and brackish samples, respectively, exceeded the limit of 48 mg Fe per 60 kg person as set by FAO/WHO. In addition, samples exceeded the acceptable limit set by WHO/FAO, thus adequate efforts should be placed on the monitoring of effluents that are being discharged into open water bodies in Nigeria.

DOI: https://doi.org/10.1515/cjf-2017-0018 | Journal eISSN: 1848-0586 | Journal ISSN: 1330-061X
Language: English
Page range: 143 - 152
Submitted on: Mar 10, 2017
|
Accepted on: Sep 19, 2017
|
Published on: Oct 16, 2018
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2018 Olanrewaju Olujimi, Oliver Steiner, Walter Goessler, published by University of Zagreb, Faculty of Agriculture
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.