Name
Mr. John Ama
DepartmentZoology and Environmental Biology
DesignationLecturer II
EmailAbout Mr. John Ama
Kalu Ama Okorafor is a lecturer in the Department of Zoology and Environmental Biology, University of Calabar. He holds a B.Sc. (Hons.) in Zoology from University of Calabar. He has also acquired M.Sc. degree in Ecology and Environmental Biology from University of Ibadan. He is currently pursuing a doctoral degree in University of Ibadan under the guardianship of Professor Adiaha A. A. Ugwumba. His field of research covers: Pollution and Toxicology, Wildlife Ecology, Environmental Remediation, Environmental Impact Assessment and Aquatic Ecology. He has more than 37 publications in both national and international journals. He is a member of Nigerian Environmental Society (NES). He contributes his quota in community development service. As a demonstration of his involvement in community development service, he joined the Nigerian Red Cross Society in 2015. He attends and presents papers in conferences. He has attended several capacity building trainings/workshops. He currently teaches courses in Environmental Toxicology, Pollution, Ecology, Invertebrate Zoology, etc. in the Department of Zoology and Environmental Biology, University of Calabar.
| S/N | Qualification | School Atttended | Started | Finished |
|---|
| S/N | Publication |
|---|---|
| Okorafor, Kalu Ama, Mowang, Dominic & Eni, George (2018). Comparative Bioaccumulation of Some Heavy Metals in Tissues of Three Selected Fish Species from Akpa Yafe River, Ikang, Cross River State, Nigeria. Journal of Global Ecology and Environment, 8(1): 13-22. | |
| Mowang, D. A; Kalu A. O, Naku J. U & Imonikosaye E.G (2017). Assessment of Cyanide Content of Some Cassava (Manihot esculanta crantz) Products Sold in Calabar,Cross River State, Nigeria. International Journal of Research in Pharmacy and Biosciences, 4(12): 1-5. | |
| Okorafor K. A., Udofia U. U. & Ekwu, A. O. (2017). Spatial Variations in the Concentrations of Some Metals in Sediment of the Great Kwa River, Calabar, Nigeria. Journal of Biopesticides and Environment, 4(1): 15-22. | |
| Udofia, U. U., Ekwu, A. O. & Okorafor, K. A. (2017). Assessment of Some Metals Concentrations in Some Vital Organs of Sheep Slaughtered at Gbogobiri, Calabar, Cross River State, Nigeria. Journal of Biopesticides and Environment, 4(2): 16-21. | |
| Okorafor KA and Otielu P (2015). Concentrations of Some Metals in Three Species of Terrestrial Molluscs (Achatina fulica, Achatina achatina and Archachatina marginata) in Bushes within University of Calabar, Calabar, Nigeria. Journal of Environmental Toxicology and Public Health, 1(1): 25-29. | |
| Okorafor KA, Enyenihi UP & Ojukwu S (2015). Concentrations of Some Metals in Sediment, Macrobrachium macrobrachion, and Tympanotonus fuscatus Obtained from the Great Kwa River, Calabar, Nigeria. Biosciences Research in Today’s World, 1(1): 32-39. | |
| Andem, A. B.,Okorafor, K. A & Ekpenyong, E. M. (2015). Impact of Saw-Mill Wood Wastes and Agro-Chemicals on the Population Structure of Benthic Macro-Invertebrates of Afi River, Southern Nigeria. Journal of Biopesticides and Environment, 1(1): 26-34. | |
| Okorafor KA & Amadiali P (2015). Concentrations of Some Metals in Kidneys and Liver of Goats Slaughtered at Atakpa Abattoir, Calabar South, Cross Rivers State, Nigeria. Biosciences Research in Today’s World, 1(1): 90-96. | |
| Ekpenyong, E., Williams, I. O., Okorafor, K. A. & Urua, I. E. (2015). Proximate, Elemental and Energy Values of Clarias gariepinus Subjected to Two Drying Methods. Journal of Biopesticides and Environment, 2(2): 21-28. | |
| Andem, Andem Bassey, Okorafor, Kalu Ama, Oku, Ene Esien, Ugwumba, Adiaha Alex (2015). Evaluation and Characterization of Trace Metals Contamination in the Surface Sediment Using Pollution Load Index (PLI) and Geo-Accumulation Index (Igeo) of Ona River, Western Nigeria. International Journal of Scientific & Technology Research, 4(01): 29-34. | |
| Andem, Andem Bassey, Okorafor, Kalu Ama, Ekanem, Sunday Ben (2015). Factor Analysis and Physico-Chemical Characteristics of Calabar River, Southern Nigeria. International Journal of Scientific & Technology Research, 4(01): 25-28. | |
| K. A. Okorafor, A. B. Andem & D. I. Arira (2014). Concentrations of Metals in the Flesh (Muscles) of Five Commercially Important Fishes Obtained from the Great Kwa River, Calabar, Nigeria. Journal of Basic and Applied Research International, 3(2): 47-53. | |
| K. A. Okorafor, A. B. Andem & D. P. Etim (2014). Determination of Metals and Total Hydrocarbon Concentrations in Five Commercially Important Dry Fishes Available in Marian Market, Calabar, Nigeria. Journal of Basic and Applied Research International, 3(4): 134-144. | |
| Okorafor K. A., James E. S, Udoh A. D. (2014). Assessment of Macro-invertebrates and Physico-chemical Parameters of the Lower Qua Iboe River, Akwa Ibom State, Nigeria. ARPN Journal of Science and Technology, 4(11): 666-677. | |
| Okorafor K. A (2014). Ecological Responses of Freshwater Components to Climate Change Impacts: A Review. ARPN Journal of Science and Technology, 4(11): 654-665. | |
| Okorafor K. A, Eleng I. E, Ogah J. O. (2014). Tests of Quality of Some Products of Sachet Water in Ogoja, Cross River State, Nigeria. ARPN Journal of Science and Technology, 4(11): 647-653. | |
| Ndome, C. B., Mowang, D. A., Okorafor, K. A., & Etiese, L. F. (2014). Characterization of Some Heavy Metal Concentrations in Littoral Sediments of a Perturbed Section of the Calabar River, Near Marina Resort, Calabar, Nigeria. Journal of Life Sciences Research and Discovery, 1: 31-34. | |
| Ndome, C. B., Mowang, D. A., Okorafor, K. A., and Nkereuwem, B. A. (2014). Physico-Chemical Parameters of the Tinapa Lake, Calabar, Nigeria. Journal of Life Sciences Research and Discovery, 1: Pp. 35-39. | |
| Christopher B. Ndome, Dominic A. Mowang, Kalu A. Okorafor, Faith G. Ikpabi (2014). Heavy Metal Concentrations in the Bank Root Sediments of the Calabar River, Adjacent to the Marina Resort, Calabar, Nigeria. International Journal of the Bioflux Society, 6(3): 209-213. | |
| Andem, A. B., Okorafor, K. A., Udofia, U. U & Oku, E. E (2014). Seasonal Variation in Limnological Characteristics of the Upper, Middle and Lower Reaches of Calabar River, Southern Nigeria. International Journal of Biological Sciences (IJBS), 01(02): 52-60. | |
| Okorafor, K. A; Andem, A. B & Inyang, U. E (2014). Some Physico-chemical and Bacteriological Characteristics of Soil Samples Around Calabar Metropolis, Cross River State, Nigeria. American Journal of Engineering Research (AJER), 03(04): 166-172. | |
| Okorafor Kalu Ama, Udofia Udeme Uyom, Mowang Dominic A. & Ntekim Immaculata Ephraim (2014). Evaluation of Metal Contamination on the Surface Sediments of Akpa Yafe River, Bakassi, Cross River State, Nigeria. Journal of Academia and Industrial Research (JAIR), 2(11): 606-612. | |
| Udofia, Udeme Uyom, Okorafor, Kalu Ama and Ntekim, Immaculata Ephraim (2014). Some Physical and Chemical Characteristics of Akpa Yafe River, Bakassi, Cross River State, Nigeria. Journal of Academia and Industrial Research (JAIR), 2(11): 631-637. | |
| Andem B. Andem, Kalu A. Okorafor, Victor O. Eyo, and Paul B. Ekpo (2013). Ecological Impact Assessment and Limnological Characterization in the Intertidal Region of Calabar River Using Benthic Macroinvertebrates as Bioindicator Organisms. International Journal of Fisheries and Aquatic Studies, 1(2):8-14. | |
| Victor O. Eyo, Paul B. Ekpo, Andem B. Andem and Kalu A. Okorafor (2013). Ecology and Diversity of Phytoplankton in the Great Kwa River, Cross River State, Nigeria. International Journal of Fisheries and Aquatic Studies, 1(2):1-7. | |
| Andem A. B., Udofia U. U., Okorafor K. A., & George U. U. (2013). Bioaccumulation of Some Heavy Metals and Total Hydrocarbon (THC) in the Tissues of Periwinkle (Tympanotonus Fuscatus Var Radula) in the Intertidal Regions of Qua Iboe River Basin, Ibeno, Akwa Ibom State, Nigeria. Greener Journal of Biological Sciences, 3(7): 258-264. | |
| Okorafor K. A., Effanga E. O., Andem A. B., George U. U. and Amos D. I. (2013). Spatial Variation in Physical and Chemical Parameters and Macro-invertebrates in the Intertidal Regions of Calabar River, Nigeria. Greener Journal of Geology and Earth Sciences, 1(2): 063-072. | |
| George U. U., Idung J. U., Andem A. B., Okorafor K. A., Mowang D.(2013). Diet Composition and Condition Factor of Ethmalosa fimbrata in the Cross River Estuary. Greener Journal of Biological Sciences, 3(6): 244-252. | |
| Okorafor, Kalu A.; Andem, Andem B.; Mowang, Dominic A. & Akpan, Unyime U. (2013). Diversity and Spatial Distribution of Zooplankton in the Intertidal Regions of Calabar River, Cross River State, Nigeria. Advances in Applied Science Research, 4(4): 224-231. | |
| Andem, Andem B.; Udofia, Udeme U. & Okorafor, Kalu A. (2013). Acute Toxic Effect of Qua Iboe Light Crude Oil on Tadpoles of Frog, Rana temporaria from Eket, Akwa Ibom State, Nigeria. European Journal of Experimental Biology, 3(3):701-705. | |
| Okorafor, Kalu A.; Okete, James A.; Eleng, Ituna E.; and Odaibo, Alex B. (2013). Seasonal Variations in the Mean Body Weight, Length and Capture Rate of Cane Rats (Thryonomys Swinderianus) in Ibadan, Oyo State, Nigeria. European Journal of Experimental Biology, 3(3):301-306. | |
| Arong, G. A.; Okon, O. E.; Obhiokhenan, A. A.; Esekhagbe, O. R.; Okorafor, K. A. and Emevatha, O. (2012). The Infestation Rates and Predilection Sites of Ticks on Cattle and Dogs in Calabar, Nigeria. International Journal of Current Research, 4(05): 073-076. | |
| Okorafor, K. A.; Andem, A. B.; Okete, J. A. and Ettah, S. E. (2012). The Composition, Distribution and Abundance of Macro-Invertebrates in the Shores of the Great Kwa River, Cross River State, South-east, Nigeria. European Journal of Zoological Research, 1(2): 31-36. | |
| Okorafor, K. A.; Okete, J. A.; Andem, A. B. and Eleng, I. E. (2012). Assessment of Grasscutters’ (Thryonomys swinderianus) Sellers and Hunters Conservation Knowledge, Rate of Hunting and Methods of Hunting in Oyo State, Nigeria. European Journal of Zoological Research, 1(4): 86-92. | |
| Andem, A. B.; Udofia, U.; Okorafor, K. A.; Okete, J. A. & Ugwumba, A. A. A. (2012). A Study of Some Physical and Chemical Characteristics of Ona River, Apata, Ibadan, Oyo State, Nigeria. European Journal of Zoological Research, 1(2): 37-46. | |
| Okorafor, K. A.; Odaibo, A. B.; Eleng, I. E. & Okete, J. A. (2012). Occurrence and Prevalence of Ecto- and Gastrointestinal Parasites in Wild Cane Rats (Thryonomis swinderianus) from Oyo State, South-western Nigeria. European Journal of Zoological Research, 1(3): 70-76. | |
| Andem, A. B.; Okorafor, K. A.; Udofia, U.; Okete, J. A. & Ugwumba, A. A. A. (2012). Composition, Distribution and Diversity of Benthic Macroinvertebrates of Ona River, Ibadan, South-west Nigeria. European Journal of Zoological Research, 1(2): 47-53. | |
| Okorafor, K. A.; Agbo, B. E.; Johnson, A. M. & Chiorlu, M. (2012). Physico-chemical and Bacteriological Characteristics of Selected Streams and Boreholes in Akamkpa and Calabar Municipality, Nigeria. Archives of Applied Science Research, 4 (5): 2115-2121. |
warning No Result For Grants Received.
| S/N | Conference | Description | Started | Finished |
|---|---|---|---|---|
| 2nd International Conference on Flood and Erosion Prevention, Protection and Mitigation. November, (2014). Rivers State University of Science and Technology, Port Harcourt, Nigeria. | 2014-11-03 | 2014-11-05 | ||
| 1st International Conference on Biosciences Research. May, (2015). Suncity Exclusive Hotel, Awka, Nigeria. | 2015-05-25 | 2015-05-27 | ||
| 2nd International Conference on Biosciences Research. November, (2016). Newton Hotels, Owerri, Imo State, Nigeria. | 2016-11-24 | 2016-11-27 |