Njoku Chukwunonso A.

Biomarker Responses in Fish and Crustaceans Exposed to Heavy Metals and Petroleum Hydrocarbons in the Qua Iboe Estuary, Niger Delta

Ohaturuonye Sampson O., Okpoji Awajiiroijana U., Akpan Nsima A., Njoku Chukwunonso A., Isaac Stanley C., Etesin Monday U. & Ekwere Ifiok O. · Asian Journal of Research in Zoology · 2025

Aquatic organisms inhabiting petroleum-impacted estuaries of the Niger Delta are frequently exposed to complex mixtures of heavy metals and hydrocarbons capable of inducing biochemical and physiological stress. This study evaluated the concentrations of Pb, Cd, Hg, As, Cr, and to...