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      Adoption of soil management and conservation technologies by small-scale...Agricultural Journal,
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      Analysis of the trend in hybrid oil palm cultivation by small-holder farmers...Nigerian Southeast Journal of Agricultural Economics and Extension,
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      A stochastic frontier analysis of technical efficiency in swamp and upland...Agricultural Journal.
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      Water Quality of Calabar river, Nigeria.Tropical Ecology
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      The levels of stranded pelagic tar residues on Ibeno Beach, Nigeria.Tropical Journal of Applied Sciences
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      Trace metals in crude oils and tar balls from the Nigerian coastlineIndian Journal of Marine Sciences
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      The levels of trace metals in pelagic tars from Ibeno beach, Nigeria.Global J. Pure and Applied Sciences
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      Source Evaluation and Trace Metal Contamination in Benthic Sediments from...PLoS ONE 11(6): e0156485.
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      The impact of flow regime on the sedimentation pattern of Calabar River,...Journal of Oceanography and Marine Science
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      Temporal variations in beach tar concentration along Ibeno coastline, Nigeria.Global J.Pure and Applied Sciences
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      Seasonal changes in the water Quality of Ibeno coastline, Nigeria.Intern. J. Trop. Environment
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      Quality of drinking water sources and Associated health problems in Calabar, Nigeria.Journal Appl. Science and Environmental Magt.
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      Physicochemical characteristics and anthropogenic pollution of the surface...Global J. Pure and Applied Sciences
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      pH, Alkalinity, Hardness and Conductivity relationships in the fish ponds...African J. Fisheries and Aquaculture
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      Patterns of total hydrocarbon, Cu and Fe in some fish from the Cross river...West African J. Appl. Ecology
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      Organochlorines levels in Liver of wild grass Cutter (Thyronomys...Trop. Environ. Res.
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      On the influence of interseasonal sea surface temperature on surface water...Journal of Oceanography and Marine Science.
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      Occurrence and distribution of polycyclic aromatic hydrocarbons in surface...Environ. Monitoring Assess.
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      Observed trends of pCO2 and air-sea CO2 fluxes in the North Atlantic OceanInternational Journal of Marine Science.
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      Modeling Spatial and Temporal pCO2 Variability at 49°N/16.5°W and...Journal of Earth Science and Climate Change