78th Inaugural Lecture
Asuquo, Francis Emile (2018). The 3Bs of Life: The black, brackish and the blue waters. An Ecological scenario misunderstood. 78th Inaugural Lecture Book Series, University of Calabar, Nigeria, pp.111
Fish Species Used as Biomarker for Heavy Metal and Hydrocarbon Contamination for Cross River, Nigeria
Assessment of heavy metals and total dissolved petroleum hydrocarbons in edible Mactra nitida from the Nigerian coastline
Asuquo, F.E., Ekaluo, U.B. and Asuquo, E.F. (2005). Trop. Environ. Res. Vol. 6 (1) , 432 – 439
A laboratory bioassay of the potential effects of rubber extract (Hevea brasiliensis) on the survival of the fingerlings of Oreochromis niloticus
George, UU, Asuquo, FE, Idung, J. U. and Andem, A.B. (2013). Journal of Biology, Agriculture and Health care. 3(11): 70 – 74.
Observing Capacities and Requirements in the Southern Atlantic Region: Perspective from Nigeria
Benson, N. U. and Asuquo, F.E. (2018). In: Strengthening pan-Atlantic Cooperation for Ocean Observing. AtlantOS Special News Letter Vol.1. No.3, 14pp.
Bioaccumulation of heavy metals in three fresh water fishes caught from Cross River System
George, U.U, Asuquo, F.E, Idung, J.U. and Andem, A.B (2013). European Journal of Experimental Biology 3 (3): 576 – 582
Effect of dredging on benthic-pelagic production in the mouth of Cross river estuary (off the Gulf of Guinea), S.E. Nigeria
Ewa-Oboho, Ita; Oladimeji, O. and Asuquo, F.E. (2008). Indian J. Marine Sciences 37(3), 291-297.
Effects of Lethal concentration of rubber extract (Hevea brasiliensis) on the survival of fingerlings of Clarias gariepinus under laboratory conditions
George, UU, Asuquo, FE, Idung, J. U. and Andem, A.B. (2013). Journal of Natural Sciences Research 3(9): 56 – 60.
Hydrocarbon levels in the organs of fish and shellfish off the southeastern Atlantic coastline of Nigeria
Asuquo, Francis E., Asuquo, Philomena E., Essienumoh, Emem E. and Okon, Lynda E. (2013). Proceedings of the International Conference on Oceanography, Institute of Oceanography, University of Calabar, 2013, pp.213 – 220.<
Marine Garbage composition and dynamics: A Case study of Ibeno Beach, Nigeria
Asuquo, F. E. (2002a). Afr. J. Environ. Pollut. Health 2:35-45.
Modeling Spatial and Temporal pCO2 Variability at 49°N/16.5°W and 56.5°N/52.6°W in the North Atlantic Ocean
Benson, Nsikak U.,and Asuquo, Francis E., (2016). Journal of Earth Science and Climate Change 2016, 7:1 http://dx.doi.org/10.4172/2157-7617.1000330
Organochlorines levels in Liver of wild grass Cutter (Thyronomys swinderians) using Gas Chromatography
Unyimadu, J. Paul and Asuquo, F.E (2004). Trop. Environ. Res. 5 (1&2), 329-337
Observed trends of pCO2 and air-sea CO2 fluxes in the North Atlantic Ocean
Benson, Nsikak U., Osibanjo, Oladele O., Asuquo, Francis E., and Anake, Winifred U. (2014). International Journal of Marine Science, Vol. 4, No. 72, 1-7.
Occurrence and distribution of polycyclic aromatic hydrocarbons in surface micro layer and subsurface seawater of Lagos Lagoon, Nigeria
Benson, Nsikak U.,Essien, Joseph P. , Asuquo, Francis E. and Eritobor, Adeola L. (2014). Environ. Monitoring Assess. 186(9):5519-29.
On the influence of interseasonal sea surface temperature on surface water pCO2 at 49.0°N/16.5°W and 56.5°N/52.6°W in the North Atlantic Ocean
Benson, Nsikak U., Osibanjo, Oladele O., Asuquo, Francis E., and Anake, Winifred U. (2014). Journal of Oceanography and Marine Science. 5(7), 55 – 63.
Patterns of total hydrocarbon, Cu and Fe in some fish from the Cross river estuary, Nigeria
Asuquo, F. E. and Udoh J. P.(2002c). West African J. Appl. Ecology 3, 91-97.
Source Evaluation and Trace Metal Contamination in Benthic Sediments from Equatorial Ecosystems Using Multivariate Statistical Techniques
Benson NU, Asuquo FE, Williams AB, Essien JP, Ekong CI, Akpabio O, et al. (2016). PLoS ONE 11(6): e0156485. https://doi.org/10.1371/journal.pone.0156485
Surface Mixed Layer Profile of Physical and Biogeochemical Variables in the Subpolar North-West and -East Atlantic Ocean: A Data-Model Comparison Study
Benson, Nsikak U., Asuquo, Francis E., Osibanjo, Oladele O., Etesin, Usoro, M ., Adedapo, Adebusayo E. (2015). Open Journal of Marine Science, 5, 33-44.
Trace metal pollution studies in fin fish and sediment from Lagos lagoon
Unyimadu, J. Paul ; Asuquo ,F.E and Udoghu, U. (2004). Trop. Environ. Res. 5 (1&2), 338-345.
Temporal variations in beach tar concentration along Ibeno coastline, Nigeria
Asuquo, F.E. (2000a). Global J.Pure and Applied Sciences 6, 131 – 136.
The impact of flow regime on the sedimentation pattern of Calabar River, South-East Nigeria
Okon, L.E and Asuquo, F. Emile (2012). Journal of Oceanography and Marine Science 3(2), pp. 19-31.
Heavy metal pollution in the interstitial sediments of Accra-Tema beaches
Akpabli, C.K., Drah, G.K. and Asuquo, F.E. (1998a). Chemistry and Industry 1 (9), 207 – 230.
Assessment of environmental impacts after Exxon-Mobil oil spill on the continental waters of the Gulf of Guinea, Nigeria
Ewa-Oboho, Ita and Asuquo, F.E. (2006). Global Journ. Environmental Sciences 5 (2), 105 – 112.
Biochemophysical alterations of petroleum in water
Asuquo, F. E . (1997c). Commonwealth Proceedings on Environment 1, 39 – 39.
Composition and sources of Nigerian Beach tars
Asuquo, F.E., Ukpabio, E. J. and Ehrhardt, M. (1996). Global J. Pure and Applied Sciences 2, 171 – 182.
Dynamics of littoral biota of Nigeria after the Exxon mobil-Idoho January 1998 offshore oil spill: long-term (1998-2001) monitoring
Ewa-Oboho, Ita; Oladimeji, Segun; Asuquo, F.Emile and Oboho, Eme I. (2006). Trop. Environ. Res. 7 (3), 601 – 610.
Distribution and sources of polyaromatic hydrocarbons in mangrove sediments of Great Kwa river, South East, Nigeria
Ogri, O,R., Asuquo, F.E. and Ibok,U.J. (2006). Bull. Environ. Contam. and Toxicol. 77, 866 – 873.
Distribution of heavy metals and total hydrocarbon in coastal waters and sediments of Cross River, S. E. Nigeria.
Tropical Environment Forum/Conference 1999. Papers presented; Bassey, E. S. and Asuquo, F. E. (1999). Seasonal changes in the water quality of Ibeno coast line, S. E. Nigeria. -Asuquo, F. E.; Ogri, O. R. and Bassey, E. S. (1999).
Domestic waste composition and pollution status of Calabar city, Nigeria
Asuquo, F. E. (2000b). Journal Appl. Science and Environmental Magt. 2, 21 – 25.
Effects of Qua Iboe (Nigerian) Crude Oil on the Germination and Growth of Okra (Abelmoschus esculentus, L) and Fluted Pumpkin (Telferia occidentalis, L) in the Tropics
Asuquo, F. E., Ibanga, I.J . and Idungafa, N. (2002b). Afr. J. Environ. Pollut. Health 2:46-57.
pH, Alkalinity, Hardness and Conductivity relationships in the fish ponds of the University of Calabar, Nigeria
Asuquo,F.E. (1998b). African J. Fisheries and Aquaculture 1, 49 – 55.
Physicochemical characteristics and anthropogenic pollution of the surface waters of Calabar river, Nigeria
Asuquo, F.E. ( 1999a). Global J. Pure and Applied Sciences 5, 595 – 600.
Quality of drinking water sources and Associated health problems in Calabar, Nigeria
Asuquo, F. E. and Asuquo E. F. (1999d). Journal Appl. Science and Environmental Magt,3,29-34.
Seasonal changes in the water Quality of Ibeno coastline, Nigeria
Bassey, E.S. and Asuquo, F.E. (1999b). Intern. J. Trop. Environment 2, 138 – 150.
Tar balls monitoring – A classical tool for the assessment and evaluation of marine pollution by petroleum
Asuquo, F. E. (1997b). Commonwealth Proceedings on Environment 1, 20 – 25.
The levels of stranded pelagic tar residues on Ibeno Beach, Nigeria
Enyenihi,U.K., Asuquo, F.E. and Antia ,E.E. (1992). Tropical Journal of Applied Sciences 2, 52 – 55.
The levels of trace metals in pelagic tars from Ibeno beach, Nigeria
Asuquo, F.E. (1997a). Global J. Pure and Applied Sciences 2, 77 – 84.
Water Quality of Calabar river, Nigeria
Asuquo, F. E. (1989a). Tropical Ecology 30, 31 – 49.
Water Quality characteristics of Accra-Tema coastline
Asuquo, F.E. and Akpabio, C.K. (2002d), Trop. Environ. Res. 4, 296 – 306.
Effects of petroleum hydrocarbon pollution on phytoplankton primary production and community respiration in the inner shelf off the Gulf of Guinea, S.E. Nigeria
Ewa-Oboho, Ita; Asuquo, F.Emile and Oladimeji, O.(2006), Trop. Environ. Res. 7 (1), 442 – 449.
Characteristics of rubber effluents and its impact on the water quality of upper Calabar River, Nigeria
Asuquo, F. E. (2000c), Environ . Res. 2, 159 – 167.
Assessment of Environmental Impacts After Exxon-Mobil Oil Spill on The Continental Waters of the Gulf of Guinea, Nigeria, West Africa.
Ewa-Oboho I. and Asuquo F. E.. Global Journal of Environmental Sciences Vol. 5, No. 2 2006
Bioaccumulation of heavy metals in mangoes (Mangifera indica L.) found in the vicinity of gold mining sites of Zamfara State, Nigeria.
ASUQUO Francis and BATE Garba Barde. Journal of Environmental Chemistry and Ecotoxicology. Vol. 12(1), pp. 45-58, January-June 2020
DOI:10.5897/JECE2020.0464. Article Number: 764729263705
Chemical Components And Nutrients In Mangal Sediments Of Cross And Qua Iboe Rivers, South-East Nigeria.
F. Emile Asuquo And Ita Ewa-Oboho. Journal Environmental Systems, Vol. 32(1) 37-54, 2005-2006.
Detection and spatio-temporal variation of marine heatwaves in the Gulf of Guinea, Nigeria.
Francis Emile Asuquo and Oghenekevwe Christopher Oghenechovwen.
Journal of Oceanography and Marine Science. Vol. 10(2), pp. 11-21, July-December 2019. DOI : 10.5897/JOMS2019.0152. Article Number: E00AA8662030
Distribution and Sources of Polyaromatic Hydrocarbons (PAHs) in Surface Sediments of Great Kwa River, Nigeria.
O. R. Orgi, F. E. Asuquo, U. J. Ibok.
Environmental Contamination and Toxicology. DOI: 10.1007/s00128-006-1223-4
Environmental Dominance and Potential Impacts of Endocrine Disruptors On the Surficial Sediments of Calabar River, South Eastern Nigeria.
Francis Emile Asuquo, Godwin Otogo , Edak Agi Odey , Israel Edet Akpan
Journal of Marine Science Research and Oceanography.
Mangrove Ecosystem Of The Niger Delta: Distribution And Dynamics.
Ita Ewa-Oboho, F. Emile Asuquo. P. Edet, E. J. Emeh, S. Oladimeji
Tar Balls on Ibeno-Okposo Beach of South-east Nigeria
Marine Pollution Bulletin, Volume 22, No. 3, pp. 15(1-151) 1991.
Temporal Variations in Beach Tar Concentration Along Ibeno Coastline, Nigeria.
F. Emile Auquo.
Global Journal of Pure and Applied Sciences Vol. 6, No. 1 January 2000
The Tropical Atlantic Observing System.
F. Emile Auquo. Frontiers in Marine Science.
doi: 10.3389/fmars.2019.00206
Toxicity of Crude Oil to Fresh Water Shrimp, Macrobrachium macrobrachion and Macrobrachium vollenhovenii From Nigerian Coastal Water.
A. P. Ekanem, F. Emile Asuquo, E. J. Ndick.
Bull Environ Contam Toxicol (2011) 86:394–397. DOI 10.1007/s00128-011-0229-8
Water Quality of The Calabar River, Nigeria.
Francis E. Asuquo.
Tropical Ecology 30 (1): 30-40, 1989
Other Publications
Asuquo, F. E. (1989b). Water pollution monitoring of the Great Kwa river, Calabar 1: A case study. Proceedings on water pollution and control in Nigeria. Nigeria Water and Sanitation Association (NIWASA) 3, 12.1 – 12.16
Asuquo, F. E. (1989c). Protecting Nigerians’ fresh water environment against pollution by nutrients. Proceedings on water pollution and control in Nigeria. Nigeria Water and Sanitation Association (NIWASA) 3, 18.1 – 18.7
Asuquo, F.E. (1991). Tar balls on Ibeno- Okposo beach of South-eastern Nigeria. Marine Pollution Bulletin 22, 150 – 151.
Asuquo, F.E., Ntekim , E. E. U., Bassey, E.S. and Nya, A.E. (1998). Physico- chemical and pollution status of the Cross river system, Nigeria. Annual review and Planning of Fisheries research on Nationally Coordinated Agricultural Research Program (NARP) 2, 18 – 19.
Asuquo ,F.E; Ewa-Oboho, Ita; Asuquo, Ekaete F. and Udo , Paul J. (2004). Fish Species Used As Biomarker For Heavy Metal and Hydrocarbon Contamination For Cross River, Nigeria. The Environmentalist, 24 : 29 – 37
Asuquo, F.E..and Ogri, O,R.,(2006). Abundance and potential impacts of polyaromatic hydrocarbons (PAHs) on the mangrove sediments of Great Kwa river estuary, South–east Nigeria. Global J. Environmental Sciences 5 (2), 83 – 87.
Ewa-Oboho, Ita; Asuquo, F.Emile and Antai, E.E.(2006). Dynamics of microbenthic organisms after a simulated crude oil spill in a tropical estuary off the Gulf of Guinea. Trop. Environ. Res. 7 (3), 616 – 625.
Ewa-Oboho, Ita; Asuquo, F. Emile ;Edet, P; Emeh, E. J. and Oladimeji(2006). Mangrove ecosystem of the Niger delta: Distribution and dynamics. Journal of Environmental Systems 32: 145 – 173.
Asuquo, F. Emile and Ewa-Oboho, Ita (2006). Chemical Components and Nutrients in Mangal Sediments of Cross and Qua Iboe Rivers, South-East Nigeria. Journal of Environmental Systems 32: 37 – 54