Research Projects in the Department of Environmental Management and Toxicology

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Browsing Research Projects in the Department of Environmental Management and Toxicology by Issue Date

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    Traditional beliefs and conservation of natural resources: Evidences from selected communities in Delta State, Nigeria
    (Academic Journals, 2013-07) AGBOZU, I.E; RIM-RUKEH, A; IRERHIEVWIE, G
    The role of traditional beliefs systems in the conservation of natural resources in some selected communities in Delta State, Nigeria, have been studied. Methodology of study involves the use of personal interview, literature review, group discussion, and site visitation carried out by the authors between April 2011 and March 2012. Findings show that traditional natural resources management in the selected communities are classified into the following categories: protection of particular ecosystems or habitats (such as sacred groves and sacred rivers/pond); and protection of particular animals or plant species (such as totem and tabooed species). The practices concerned relate to trees, forests, wildlife and marine organisms. The environmental wisdom and ethics expressed through these religious beliefs are very useful tools in natural resource management. Using the classification of the International Union of Conservation of Nature (IUCN), the plants and animals species in the study scared groves and forest can be described as an environment with widespread and abundant taxonomy and are not at risk or endangered.
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    The effects of the Niger Delta oil crisis on women folks
    (Journal of African Studies and Development, 2014-01-29) Celestina Ihayere; Doris Fovwe Ogeleka; Theresa Ifeyinwa Ataine
    The Niger Delta area is one of the locations that is seriously affected by oil spill in Nigeria’s fifty one years of oil exploration. This study was designed to investigate the effects of the Niger Delta oil crisis on the women folks. Oil crisis could result in vast effects on humans and animals which include social, ecological, health, economical amongst others. The environment (air, water, soil) usually indicates the presence of hydrocarbon and petrogenic pollution and this affects aquatic lives and agricultural practices. These result in decrease in fishing resources, damage to marine flora and fauna, loss of biodiversity, deforestation, coastal and marine erosion and flooding. The inability of the people to fix these problems and the supposedly government insensitivity had been the cause of persistent conflicts and confrontation with government and oil companies in the area. Women suffer great hardships in times of conflict and the Niger Delta women are no exception. During the conflicts with oil companies and the Nigerian government, women are subjected to all kinds of violence - sexual such as rape; physical violence such as beatings, maiming murder, and destruction of properties. The effects of these conflicts on the social wellbeing of the women folks in this area were assessed in this study.
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    Ecological effects of oil spill on water and sediment from two riverine communities in Warri, Nigeria
    (African Journals Online, 2017-05-29) Ogeleka, Doris Fovwe; Tudararo-Aherobo, Laurelta Esivweneta; Okieimen, Felix Ebodaghe
    The ecological effects of oil spill in the environment were studied in Warri riverine areas of Ubeji and Jeddo, Delta State, where an oil spill occurred and cleanup or remediation was not carried out for over a year prior to this evaluation. The American Public Health Association (APHA) and the American Society for Testing and Materials (ASTM) methods were employed for the laboratory test for organics [polyaromatic hydrocarbon; total petroleum hydrocarbon (TPH)] and heavy metals in the water and sediment. The results indicated that there were still significant concentrations (P <0.05) of organics indicating hydrocarbon pollution. Mean concentrations recorded for TPH in Ubeji and Jeddo waters were 23.60 ± 1.18 mg/L and 29.96 ± 0.14 mg/L respectively while total PAHs was 0.009 ± 0.002 mg/L and 0.008 ± 0.001 mg/L. Mean concentrations of TPH in the sediment was 48.83 ± 1.49 ppm and 1093 ± 74 ppm respectively while total PAHs was 0.012 ± 0.002 ppm and 0.026 ± 0.004 ppm. Low concentrations were recorded for most of the heavy metals in the water and sediment. Hydrocarbon degrading bacteria (HDB) recorded mean values of 3.86E + 03 and 3.44E + 02 for Ubeji and Jeddo waters, while Hydrocarbon degrading fungi (HDF) recorded mean values of 2.86E + 03 and 2.46E + 02 respectively. The observed concentrations of hydrocarbons in the study areas should provide the impetus for regulatory surveillance of oil discharged intentionally/unintentionally into the Warri riverine waters and sediment since hydrocarbon released into the environment sorb to the sediment particles where they cause harm to organisms in the sediment and overlying waters
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    Assessment of Rainwater Quality in Warri and Environ, Southern Nigeria for Domestic Purposes
    (Journal of Geoscience and Environment Protection,12, 2024-06-28) Agbozu,I.E, Maminor,T.R and Bassey,U (2024)
    The study aimed to assess the physiochemical characteristics of rainwater in Warri and its environment was investigated. Pb, Zn, Cd, Cu, and Cr concentrations in rainwater from the roof and non-roof sources were determined using Atomic Absorption Spectrophotometry. Three geospatial locations comprising Jakpa, Udu, and Ubeji were selected based on prevailing anthropogenic activities. The rainwater samples were systematically collected from the (aluminum) roof and non-roof sources for the months of April, June, August, and October 2022, treated and analyzed in the laboratory for sixteen physicochemical parameters. Results were statistically analyzed using ANOVA, and T-test for the determination of the level of relationships and variations across geospatial locations. Significant correlations (r = 0.72) exist between Cr in rainwater from the roof and non-roof sources. Implying point-source contaminations and may be emanating from the influence of roof materials. Furthermore, high concentrations of Cd and Pb in roof source above WHO standards were mostly in Jakpa and Ubeji. The calculated Health Risk Index (HRI) for children and adults is greater than 1. The results showed that most samples from the locations are considered not safe (HRI > 1) especially for Cd, which means that there are potential health risks in consuming rainwater from Jakpa, Udu and Ubeji. Therefore, there is a need for a prompt sensitization program to dissuade people from directly drinking rainwater from these locations.