1
Research Article
Vol. 35, Issue 2
Metal accumulation and excluder behaviour of five indigenous herbaceous species at the abandoned Enyigba Pb–Zn mine, southeastern Nigeria
Artisanal lead-zinc mining at the Enyigba Pb–Zn mine, Ebonyi State, has left tailings soils heavily contaminated with lead and cadmium (soil Pb 1114.5–1125.4 mg kg⁻¹; soil Cd 125.7–135.7 mg kg⁻¹, approximately 13-fold and 157-fold above WHO agricultural-soil limits), but the metal-accumulation behaviour of the herbaceous vegetation naturally coloni...