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Email: geoobiiyeke@delsu.edu.ng

  • Area of Specialization: Environmental Ecology and Toxicology
  • Department of Botany

  • OBI-IYEKE, GRACE EKENE is an Associate Professor of Environmental Ecology and Toxicology in the Department of Botany, Faculty of Science, Delta State University, Abraka, Delta State, Nigeria. She obtained her Degrees (B.Sc. Botany, M.Sc., Environmental Ecology and Ph.D in Environmental Ecology and toxicology) at the University of Nigeria, Nsukka (UNN). She has over 30 scholarly publications in National and International Highly Indexed Journals. She is the current Head of Department of Botany and has also been privileged to serve as a Deputy Director, Pre-Degree Studies, Delta State University, Abraka. She has served as reviewer to several Journals and a Research Fellow in Biotechnology Lab Forth Hare University Alice South Africa. She is happily married and Blessed with Children. Research interest: Heavy metal pollution, Biomonitoring, Ecological and Environmental Risk Assessment. Phone number : +2348034235271 Email: geoobiiyeke@delsu.edu.ng : ekyobiiyeke@gmail.com
    My Publications
  1. Nwadinigwe, A.O. and Onyeidu, G.E. (2012) Bioremediation of Crude Oil Polluted Soil monitored through Soybean productivity, Polish Journal of Environmental Studies
    http://www.pjoes.com/Bioremediation-of-Crude-Oil-Polluted-Soil-Using-r-nBacteria-and-Poultry-Manure-Monitored,88739,0,2.html Vol.21 Pages: (1): 171-176

  2. Nwodo, U.U., Obi-Iyeke, G.E. Chigor, V.N. and Okoh, A.L. (2011) Assessment of Tamarindus indica extracts for antibacterial activity, International Journal of Molecular Sciences
    https://www.mdpi.com/1422-0067/12/10/6385/htm Vol.12 Pages: 6385-6396

  3. Arimoro, F.O., Obi-Iyeke, G.E. and Obukeni, P.J. (2012) Spatiotemporal variation of macro invertebrates in relation to canopy cover and other environmental factors in Eriora River, Niger Delta, Nigeria, Environmental Monitoring and Assessment
    https://link.springer.com/article/10.1007/s10661-011-2432-9 Vol.184 Pages: 6449-6461

  4. Arimoro, F.O., Obi-Iyeke, G.E. and Obukeni, P.J. (2012) Concentrations of selected metals in honey consumed in Nigeria, International Journal of Environmental Studies
    https://www.tandfonline.com/doi/abs/10.1080/00207233.2015.1028783 Vol.55 Pages: (1):1806-1808

  5. Iwegbue, M.A., Tesi, G.O., Obi, G., Obi-iyeke, G.E. and Martincigh, B.S. (2016) Concentrations, health risks and sources of polycylic aromatic hydrocarbons in Nigerian Honey, Toxicology and Environmental Health Science
    https://link.springer.com/article/10.1007/s13530-016-0259-z Vol.8 Pages: (1): 27-41

  6. Omobola O. Okoh, Obi-iyeke, Grace. E., Uchechukwu Nwodo and Okoh Anthony (2017) Ethanol extract and chromatographic fractions of Tamarindus indica stem bark inhibits Newcastle disease virus replication, Pharmaceutical Biology
    https://www.tandfonline.com/doi/full/10.1080/13880209.2017.1331364# Vol.55 Pages: (1):1806-1808

  7. Nwajei, G.E., Okwagai, P., Obi-Iyeke, G.E. and Nwajei, R.I. (2012) Analytical assessment of trace elements in soils, tomato leaves and fruits in the vicinity of paint industry in Nigeria, Research Journal of Recent Sciences
    http://www.isca.in/rjrs/archive/v1/i4/4.ISCA-RJRS-2012-058%20Done.php Vol.1 Pages: (1): 81-84

  8. Nwajei, G.E., Obi-Iyeke, G.E., and Okwagi, P. (2012) Distribution of selected trace metal in fish parts from the River Niger, Research Journal of Recent Sciences
    http://www.isca.in/rjrs/archive/v1/i1/14.ISCA-RJCS-2011-_011.pdf Vol.1 Pages: (1): 81-84

  9. Obi-iyeke, G.E. (2018) Trace metal dynamics in some leaf vegetables consumed in Warri, Niger Delta Region Nigeria, International Journal of Research and Review in Applied Sciences
    https://www.semanticscholar.org/paper/TRACE-METAL-DYNAMICS-IN-SOME-LEAFY-VEGETABLES-IN-OF-Obiiyeke/864d5dc6776e0c57a4df3a6846cd8857440564ce Vol.18 Pages: (3): 279-284

  10. Ebigwai, J.K., Edu, E.A., Obi-Iyeke, G.E. and Nta, I.A. (2012) Lavacida activity of Cirus Simulium yahense, Annals of Biological Research
    Vol.3 Pages: (4): 1985-1987

  11. Ikhajiagbe, B., Anoliefo, G.O., Erhenhi, H.A. and Obi-Iyeke, G.E. (2013) Changes in the polyaromatic hydrocarbon contents of a waste engine oil polluted soil exposed to different periods of monitored natural attenuation, World Applied Science Journal
    https://www.idosi.org/wasj/wasj28(11)13/24.pdf Vol.28 Pages: (11): 1648-1656

  12. Nwodo, U.U., Ngene, A.A. Iwegbu, C.U. and Obi- Iyeke, G.E. (2010) Effects of fractionation on antibacterial activity of crude extracts of Tamarindus indica, African Journal of Biotechnology
    https://www.ajol.info/index.php/ajb/article/view/130308 Vol.9 Pages: (42): 7108-7113

  13. Obi- Iyeke, G.E. (2019) Heavy metal concentrations in street –vended fruits and vegetables in Warri, Delta State. Nigeria, Journal of Applied Science and Environmental Management
    https://www.ajol.info/index.php/jasem/article/view/185413 Vol.23 Pages: (3): 443-447

  14. Bassey, F.I., Iwegbue, C.M.A., Obi-iyeke, G.E., Rotu, A.R. and Tsafe, A.I. (2014) Heavy metals in soil and tomatoes grown in urban fringe environment in Asaba, Delta State Nigeria, Nigerian Journal of Basic and Applied Sciences
    https://www.ajol.info/index.php/njbas/article/view/110501 Vol.22 Pages: (2): 27-31

  15. Obi-Iyeke, G.E. (2019) Growth and Biomass Accumulation of Seedlings of Cowpea (Vigna unguiculataL. Walp) in Response to Soil Salinity, Trends in Science and Technology Journal
    http://www.ftstjournal.com/uploads/docs/42%20Article%2012.pdf Vol.4 Pages: (2)? 377 381

  16. Obi-iyeke, G.E. (2010) Effects of crude oil as a soil contaminant on the growth and anatomy of Capsicum annum (L.), Nigerian Journal of Science and Environment
    Vol.14 Pages: (1): 144-150

  17. Obi-iyeke, G.E. (2018) Heavy metal concentration in fruits from selected towns within the three ecological zones of Delta State, Nigerian Journal of Science and Environment
    Vol.16 Pages: (1):119-126

  18. Obi-iyeke, G.E. (2019) Polycyclic Aromatic Hydrocarbons (PHAs) in Selected Fruits and Vegetables in Warri, Delta State, Nigerian Journal of Science and Environment
    Vol.17 Pages: (1)? 51-56

  19. Ali, A., Obi-Iyeke, G.E., Keke, U. and Arimoro, F. (2021) Exploring the use of Macrophytes as Biological Indicators for Organic Pollution of Chanchaga River in North Central Nigeria, Pollution
    Vol.7(4) Pages: 859-870

  20. Godswill, O.T., Paschal, O.I., Bulouebibo, L., Obi-Iyeke, G.E. and Jude, C.O. (2021) Polycyclic Aromatic Hydrocarbons (PAHs) in Leafy Vegetables Consumed in Southern Nigeria: Concentration, Risk Assessment and Source Apportionment, Environmental Monitoring and Assessment
    Vol.193 Pages: 1-15

  21. Arimoro, F.O., Abubakar, M.D., Obi-Iyeke, G.E. and Keke, U.N. (2021) Achieving sustainable river water quality for rural dwellers by prioritizing the conservation of macroinvertebrates biodiversity in two Afrotropical streams, Environmental and Sustainability Indicator
    Vol.10 Pages: 1-9

  22. Obi-Iyeke, G.E. (2021) Trace Metal Concentration in Selected Medicinal Plants in Abraka and Olomoro Communities in Delta State, Nigeria, Nigerian Journal of Botany
    Vol.34(1) Pages: 93-100

  23. Godswill O. Tesi, Grace E. Obi-Iyeke, Jude C.Ossai, Anthony A. Ogbuta, Eviva F. Ogbara, Daniel I. Olorunfemi, and Iwekumo E. Agbozu (2022) Human Exposure to organochlorine pesticides in vegetables form major cities in South-South Nigeria , Chemosphere
    Vol.303 Pages: 135296

  24. Obi-Iyeke, G.E. (2022) Diversity of Plants Around Refinery Site in Warri, Delta State, FUW Trends in Science & Technology Journal
    Vol.7(1) Pages: 189-197

  25. Obi-Iyeke, G.E. (2022) Screening of maize (Zea mays L.) for phytoremediation on crude oil contaminated soil, FUDMA Journal of Sciences
    Vol.6(3) Pages: 254-258

  26. Agbogidi, O.M., Obi-Iyeke, E. G., Erhenhi, A. H., Nwabueze, A. A & Edema, E.N (2023) Water Quality Parameters of River Ethiope in Delta State, Nigeria, FUW Trends in Science & Technology Journal
    Vol.8(2) Pages: 240-246

  27. Agbogidi, O.M, Nwabueze, A.A, Edema, N.E, Erhenhi, A.H and Obi-Iyeke, E.G (2022) Diversity and Life Forms of Aquatic Macrophytes in Relation to Physicochemical Parameters of River Ethiope in Delta State, Nigeria, Annals of Plant Science
    Vol.11(4) Pages: 5040-5050