What is it about?
Heavy metals (HM) have been a global concern for its toxic and detrimental effect on the environment especially when it exceeds the permissible limit through anthropogenic activities like kaolin mining. Kaolin mining has improved the economic wellbeing of the local people through employment and otherwise; and at the same time attached with environmental consequences that threatens the livelihood of the community members. This study was carried out to ascertain the concentrations of selected heavy metals in kaolin mined soils and water body and its pollution density using single pollution indices such as contamination factor (CF), geo-accumulation (Igeo) and ecological risk factor (Er ).
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Why is it important?
The study reviewed that kaolin soils are contaminated with heavy metals as a result of kaolin deposit and its mining activities. The single pollution indices used for the study pointed out that Cd, Se, Co and Hg are very high in the kaolin soils. The surface waters of Iyi-ugbohoroAmaudara River at the study area are polluted with heavy metals as a result of kaolin mining activities in the area; more especially during wet season of the study. Consequently, these outcomes would pose a toxic effect to both fauna and flora and possibly threatens the aquatic lives and the local populace.
Perspectives
Writing this article was a great pleasure as it has co-authors with whom I have had long standing collaborations. This article also lead to community groups contacting me and ultimately to a greater involvement environmental research.
Dr. Charles Ekene Igwe
Michael Okpara University of Agriculture
Read the Original
This page is a summary of: Heavy Metals Content in Kaolin Mined Soil and Water Body at Ohiya, Umuahia South, Abia State, Nigeria, Asian Soil Research Journal, February 2021, Sciencedomain International,
DOI: 10.9734/asrj/2020/v4i330096.
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