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Prof. Ekom Robert Akpan

Professor
Institute of Oceanography
ekomro@unical.edu.ng

NA

Etim, L. and Akpan, E. R. (1991) Seasonal variation in metals (Hg, Pb, As) in the body tissues of Egeria radiata (Lam) (Bivalvia, Tellinaceae, Donacidae) from the Cross River, Nigeria. Journal of African Zoology 105: 465-467


Etim, L., Akpan, E. R. and Muller, P. (1991) Temporal trends in heavy metal concentrations in the Clam, Egeria radiata (Lam) (Bivalvia, Tellinaceae, Donacidae) from the Cross River, Nigeria. Revue de Hydrobiologie Tropicale 24 (4): 327-333


Akpan, E. R. (1993) Seasonal cycles of phytoplankton and grazing activity in the Cross River of South Eastern Nigeria. Tropical Ecology 34 (2) 143-149


Akpan, E. R. and Offem, J. O. (1993a) Comparison of chlorophyll-a and carotenoids as predictors of phytoplankton biomass in the Cross River system of Nigeria. Indian Journal of Marine Sciences 22: 59-62


Akpan, E. R. and Offem, J. O. (1993b) Seasonal variation in water quality of the Cross River, Nigeria. Revue de Hydrobiologie Tropicale 26 (2): 95-103


Ekpe, U. J., Ekanem, U. and Akpan, E. R. (1995) Temporal changes in some water quality parameters in Iko and Utaewa Rivers of South Eastern Nigeria. Global Journal of Pure and Applied Sciences 1 (1and2): 63-69


Akpan, E. R. and Okafor, N. (1997) On organic fertilization and plankton development in two experimental freshwater ponds in Nigeria. Journal of Aquaculture in Tropics 12: 147-154


Akpan, E. R. (1998) Possible environmental impact of channelization and dredging on the ecology of the Cross River Estuary system, Nigeria, Tropical Freshwater Biology 7: 53-61


Akpan, E. R. (1999) Spatio-Seasonal trends of physicochemical characteristics of the Cross River Estuary, Nigeria. Progress in Meteorology 13: 127-131


Akpan, E. R. (2000) Influence of meteorology and hydrographic factors on the water quality of the Calabar River, Nigeria. Tropical Journal of Environmental Research. 2 (1and2): 107-111


Akpan, E. R., Offem, J. O. and Nya, A. E. (2002) Baseline ecological studies of the Great Kwa River, Nigeria 1: Physicochemical studies. African Journal of Environmental Pollution and Health 1 (1): 83-90


Holzlohner, S., Nwosu, F. M. and Akpan, E. R. (2002) Mangrove mapping in the Cross River Estuary, Nigeria. African Journal of Environmental Pollution and Health 1 (2): 67-76


Akpan, E. R., Ekpe, U. J. and Ibok, U. J. (2002) Heavy metal trends in the Calabar River, Nigeria. Environmental Geology 42 (1): 47-51


Akpan, E. R. (2003) Acidic precipitation and infrastructural deterioration in oil producing communities of Akwa Ibom State. A case study of Eket, South Eastern Nigeria. Global Journal of Environmental Sciences. 2 (1): 47-52


Akpan, E. R., Ekpo, H. E. and Ekpe, U. J. (2003) Establishment of water quality classification scheme: A case study of Calabar River Estuary, Nigeria. Global Journal of Environmental Sciences 2(1): 67-71


Akpan, E. R. and Frank, A. I. (2003) Effect of waste engine oil on phytoplankton of the Calabar River Estuary, Nigeria. Global Journal of Environmental Sciences. 2 (2): 112-116


Eni, G. E., Obiekezie, A. I. and Akpan, E. R. (2003) Effect of water soluble fractions of crude oil on development and hatching success of Heterobranchus longifilis eggs. African Journal of Environmental Pollution and Health 2 (1and2): 35-42


Akpan, E. R. (2003) Water quality status of Qua Iboe River Estuary, Nigeria. Baseline studies. African Journal of Environmental Pollution and Health 2 (1and2): 63-78


Akpan, E. R., Ekpo, H. E. and Ekpe, U. J. (2003) Seasonal variation in water quality of the Calabar River: Influence of tidal and coastal activities. Global Journal of Environmental Sciences 2(2): 106-110


Akpan, E. R. and Umana, U. A. (2004) Occurrence and intensity of acid rain in the Niger Delta area of Nigeria. African Journal of Environmental Pollution and Health 3(1): 37-43


Ama-Abasi, D, Akpan, E. R. and Holzlohner, S. (2004) Factors influencing the emigration of juvenile bonga from the Cross River Estuary. In: Araoye, P. A. (ed.) Proceedings of the 19th Annual Conference of Fisheries Society of Nigeria, Ilorin: 29th November-3rd December, FISON, Lagos, pp 737-744


Ibe, K. A., Offem, J. O., Ibok, U. J., Nganje, T. and Akpan, E. R. (2005) Polycyclic aromatic hydrocarbon flux in the Qua Iboe River System, South Eastern Nigeria. African Journal of Environmental Pollution and Health 4(1): 44-51


Akpan, E. R. (2006) Nutrient-Phytoplankton relationships in the Cross River Estuary, Nigeria. Journal of the Chemical Society of Nigeria. 31 (1and2) 102-108


David-Oku, E., Usang, E. E. and Akpan, E. R. (2006) Total hydrocarbons, trace metals and macro-elements in Tilapia species from South Eastern Nigeria. African Journal of Environmental Pollution and Health 5(2): 30-36


Agwunobi, I. N., Archibong, E. E. and Akpan, E. R. (2007) Nutritional evaluation of nut of Nypa fruticans. In: Agiang, E. A. and Agwunobi, I. N. (eds.) Proceedings of the 32nd Annual Conference of the Nigerian Society for Animal Production, Calabar: 18th-21st March, 2007, pp 326-328


David-Oku, E., Usang, E. E. and Akpan, E. R. (2006) Levels of total hydrocarbons, trace metals and macro-elements in freshwater prawn Macrobrachium vollenhovenii from South Eastern Nigeria. African Journal of Environmental Pollution and Health 5(2): 37-44


Ama-Abasi, D. E. and E. R. Akpan. 2011. Emigration of juvenile bonga, Ethmalosa fimbriata from the Cross River Estuary, Nigeria. Nigerian Journal of Fisheries 8 (1): 220-226.


Udiba U.U., Akpan, E.R., Ogabiela., E.E., Magomya. A.M., Yebpela. G.G., Apogo-Nwosu. T. U., Hammuel. C., Ade-Ajayi, A.F. and Aina. O.B. (2012) Influence of Oil Exploitation in the Niger Delta on the Water Quality of Calabar River Estuary, Calabar, Nigeria. Journal of Basic and Applied Science Research 2(2):1658-1666


Akpan, E. R. (2013) Physicochemical characteristics of surface waters of the western Niger Delta, Nigeria. International conference on oceanography, University of Calabar, Nigeria, 12 – 14 November 2013


Akpan, E. R. (2013) Heavy metals and hydrocarbons levels in sediments of the Western Niger Delta, Nigeria. International conference on oceanography, University of Calabar, Nigeria, 12 – 14 November 2013


Daka, E. R., Akpan, E. R., Abam, T. K. S. (2016) An assessment of the potential effects of sewage from dredging operation along the Nun River using BOD modelling Journal of Nigerian Environmental Society 10 (1): 137-145

No Results for Research Works done

Showing All Conferences Attended

ISO 9001: 2008 (Quality Management Systems) Internal Auditors Training.
ISO 9001: 2008 (Quality Management Systems) Internal Auditors Training. Organized by SGS Inspections Services Nigeria Limited, Lagos, 2010.
Start: Monday 15th November, 2010
End: Tuesday 16th November, 2010
Waste Management Coordinator Training.
Waste Management Coordinator Training. Organized by Total E and P Nigeria Limited, Port Harcourt, 2010.
Start: Thursday 25th November, 2010
End: Friday 26th November, 2010
C7-RAF-7.009-001/12; Regional Training Course on (Bio)Monitoring Strategies to Monitor Marine Coastal Contamination
C7-RAF-7.009-001/12; Regional Training Course on (Bio)Monitoring Strategies to Monitor Marine Coastal Contamination, Casablanca, Morocco, 2012.
Start: Monday 3rd September, 2012
End: Friday 7th September, 2012
No Results for Grants/Awards Received