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Author

A. D. Akpan

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Open access 2026

Seasonal Variation of Heavy Metal Concentrations in Soils and Cocoyam Tubers Around Selected Municipal Dumpsites: Assessment Using Translocation Factor and Contamination Indices

Municipal open dumpsites are major sources of heavy metal contamination, posing significant risks to agricultural soils and food safety in developing countries. This study evaluated the seasonal distribution, soil to tuber translocation, contamination indices and human health risks of Pb, Zn, Ni, Cu, Cr and Cd in soils...

A. D. Akpan, U. U. Ubong, Aniefiok E. Ite et al. · 0 citations
Open access Jul 2026

Ecological Risk Assessment of Heavy Metals in Soils and Surface Waters of Oil-Producing Areas in Akwa Ibom State, Nigeria

Aim: This study assessed the ecological risk posed by six heavy metals [lead (Pb), zinc (Zn), nickel (Ni), copper (Cu), chromium (Cr), and cadmium (Cd)] in soils and surface waters. Study Design: Soil samples were collected at two depths (0–15 and 15–30 cm) from 12 stations across Onna, Mkpat Enin, Eastern Obolo, and U...

U. U. Ubong, A. D. Akpan, U. G. Isotuk · 0 citations

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