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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Review of Heavy Metals in the African Aquatic Environment
Ecotoxicology and Environmental Safety, Volume 28, No. 2, Year 1994
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Description
Data were compiled from selected heavy metal studies in both freshwater and marine ecosystems from the major African subregions, Northern, West and Central, Eastern, and Southern Africa. The concentrations of heavy metals were compared between different environmental compartments (water, sediments, fauna, and flora), between the different African subregions and with data from other areas in the world. Despite the scarcity of the existing information on Africa, some conclusions could be drawn: Metal concentrations in organisms were generally below WHO limits except for some localized sites, mostly with increased lead levels. There were no significant differences between inland water and coastal animals, but shellfish had higher concentrations of most metals than finfish. For aquatic plants the heavy metal levels were higher in inland waters. Compared to more industrialized regions and with the exception of some hot-spot sites, the concentrations of heavy metals in African aquatic systems were low and close to natural background levels. Nevertheless, in view of the expected increase in urbanization and socio-economic activities in Africa, sources and quantities of heavy metal discharges to aquatic environments have to be identified. Also, pollution control measures should be formulated in each country. © 1994 Academic Press. All rights reserved.
Authors & Co-Authors
Biney, Charles Augustus
Nigeria, Ibadan
University of Ibadan
Amuzu, A. T.
Nigeria, Ibadan
University of Ibadan
Calamari, Davide D.
Nigeria, Ibadan
University of Ibadan
Kaba, Nasséré
Nigeria, Ibadan
University of Ibadan
Mbome, I. L.
Nigeria, Ibadan
University of Ibadan
Naeve, Heiner
Nigeria, Ibadan
University of Ibadan
Ochumba, Peter B.O.
Nigeria, Ibadan
University of Ibadan
Osibanjo, Oladele O.
Nigeria, Ibadan
University of Ibadan
Radegonde, V.
Nigeria, Ibadan
University of Ibadan
Saad, Massoud A.H.
Nigeria, Ibadan
University of Ibadan
Statistics
Citations: 195
Authors: 10
Affiliations: 1
Identifiers
Doi:
10.1006/eesa.1994.1041
ISSN:
01476513
e-ISSN:
10902414
Research Areas
Environmental