Okpoji Awajiiroijana U.

Seasonal Variation in Hydrocarbon Contamination of Sediments and Biota in Bonny Estuary, Rivers State, Nigeria

Ogbaji Henderson O., Akpan Nsima A., Ijioma Chinonye C., Okpoji Awajiiroijana U., Eze Victor C., U., Obi Justina N., Martins Ndidi P. & Etesin Monday U. · Asian Journal of Geographical Research · 2025

This study examined the seasonal variation in hydrocarbon contamination of sediments and biota within the Bonny Estuary, Rivers State, Nigeria. Samples of sediment, surface water, and fish were collected during the dry and wet seasons and analysed for total petroleum hydrocarbons...

Open access Research Article 10.9734/ajgr/2025/v8i4341

Physicochemical, Microbiological and Toxicological Assessment of Borehole Water in Rumuokoro, Port Harcourt, Nigeria

Izuchukwu Emeka C., Etukudo Nsikan J., Akpan Nsima A., Igwegbe Kelvin C., Edodi, Iyam O., Okpoji Awajiiroijana U. & Etesin Monday U. · Asian Journal of Geographical Research · 2026

Groundwater from boreholes is the primary source of drinking water for many urban communities in the Niger Delta region of Nigeria. Rapid urbanisation, industrial activities, petroleum-related operations, and poor sanitation infrastructure have increased the vulnerability of grou...

Open access Research Article 10.9734/ajgr/2026/v9i1359