P.C. Onianwa, S.O. Ajayi, O. Osibanjo, A. Egunyomi
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Accumulation patterns of heavy metals in forest mosses from the south-west region of Nigeria
The accumulated levels of the metals, Pb, Cd, Cu, Ni, Zn, Mn and Fe were determined in forest mosses from south-west Nigeria. Distinct gradients were observed only with Pb and Zn, and a small zone of random contamination with Cu was identified in parts of the east and the south-east. This contamination was possibly a result of the use of copper-based fungicides and pesticides in cocoa farms in the area.
The levels of the metals are compared with those in forest mosses in some other parts of the world.
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