Ufikairom Gershon Isotuk

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

Uwem Udosen Ubong, Akanimo Dianabasi Akpan & Ufikairom Gershon Isotuk · Asian Journal of Physical and Chemical Sciences · 2026

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 acros...