Dr. Stephen Gyamfi

Lecturer


Dept: Fisheries and Watershed Management
Department of Fisheries and watershed Management, KNUST-Kumasi

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Research Areas/Interests


Publications

     

    1. Gyamfi, S., Bettey, C. M., Bediako, J. O., Amisah, S., & Obirikorang, K. A. (2026). Responses of air-breathing, anti-predator behaviour and swimming activity to long-term hypoxia acclimation in the African catfish Clarias gariepinus. Environmental Biology of Fishes109(2), 75.

    2. Appiah, H. K., Kusi, I. O., Obirikorang, K. A., Gyamfi, S., Adjei-Boateng, D., & Edziyie, R. E. (2026). Bioaccumulation of Heavy Metals in Finfish and Shellfish Samples From Tano River, Ghana: A Food Safety Issue. Aquaculture Research2026(1), 8285249.

    3. Gyamfi, S., Edziyie, R. E., Obirikorang, K. A., Adjei-Boateng, D., & Skov, P. V. (2024). Nile tilapia (Oreochromis niloticus) show high tolerance to acute ammonia exposure but lose metabolic scope during prolonged exposure at low concentration. Aquatic Toxicology271, 106932.

    4.Gyamfi, S., Edziyie, R. E., Obirikorang, K. A., Adjei-Boateng, D., & Skov, P. V. (2022). Water quality dynamics in earthen ponds with and without fish. International Aquatic Research14(3), 169-180.

    5. Obirikorang, K. A., Gyamfi, S., Goode, M. E., Amisah, S., Edziyie, R. E., Quagrainie, K., ... & Frimpong, E. (2020). Effect of soybean meal diets on the growth performance, ammonia excretion rates, gut histology and feed cost of Nile tilapia (Oreochromis niloticus) fry. Aquaculture Research51(9), 3520-3532.


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