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Articles by A.M. Taiwo
Total Records ( 3 ) for A.M. Taiwo
  A.M. Gbadebo , A.M. Taiwo and O.B. Ola
  Problem statement: Petroleum hydrocarbon and petroleum residue (i.e., spent oil) remains the foremost pollutants to the fish communities in various aquatic media-ponds, streams, rivers, creeks, coastal and marine environments through indiscriminate disposal of oil contaminated drilling muds, cutting and oil spillages. Approach: Also, the spent oil enters into aquatic media through run-off following unguided disposal. Both the petroleum hydrocarbon and spent oil, on getting to the water bodies spread fast and produce lethal, sub-lethal and even acute effect of petroleum hydrocarbon and spent oil on the fingerlings and other juvenile fishes. Results: Since this group of fish constitutes about 60% of the fish population in any aquatic medium, a green house study was carried out to assess the effects of crude oil and spent oil on fingerlings of Clarias garipinus-a typical marine fish. In this study, fingerlings of Clarias garipinus were exposed to 2-10% concentration of crude oil and spent oil for 96 h period. Readings were taken every 24 h. From concentration of 4-10%, high mortality rate averaging 10 out of 10 fingerlings were recorded. Conclusion/Recommendations: The deaths were attributed to reduced dissolved oxygen and blockage of the water surface by the oils. Concentrations of 2% showed a reduced level of mortality, which even lapsed over the 96 h period. The mortalities were owed to impairment in neurologically dysfunction. Changes in physiological character such as changes in skin color and reduced locomotive actions were also observed.
  J.A. Awomeso , A.M. Taiwo , A.M. Gbadebo and A.O. Arimoro
  Problem statement: Both wastes and the crude disposal techniques have created subtle and yet serious environmental pollution havoc in many developing countries. This has lead to the degradation of abiotic and biotic components of these nations’ ecological systems. Poor industrial waste disposal systems as well as the indiscriminate and inappropriate domestic litter disposal habit have been identified and proved to be basic features in rural settlements, semi-urban areas and urban centers of the developing world. These have seriously contributed to environmental pollution and ecological deterioration. The major reasons for these were identified to be inadequate information and insufficient modern waste disposal facilities. Approach: This study highlighted the use of simple, yet efficient waste disposal techniques and recommends the adequate supply and optimal utilization of trashcan and rubbish drums in private and public places; the consistent and wide use of recyclable materials and recycling equipment; information flow and training of all on the use of new techniques and methods and the need for the production and/or introduction of other appropriate technology and policy to enhance the implementation and execution of proper waste management schemes that will contribute to a cleaner and safer environment in developing countries. Results: As a result, sanitary landfills were developed to replace the practice of open dumping and to reduce the reliance on waste incineration. Conclusion: In the light of this review research, I recommend that there should be private participation in managing wastes in the developing nation. Since the largest percentage of wastes in developing countries is mainly organic, composting of wastes should be encouraged.
  E.O. Orebiyi , J. A. Awomeso , O.A. Idowu , O. Martins , O. Oguntoke and A.M. Taiwo
  Problem statement: Pollution of well water, either from point or non-point sources, has become a thing of health concern both in urban and rural areas. Approach: This study aim at assessing the pollution hazards of groundwater resource by sampling some shallow wells from urban and peri-urban area of Abeokuta. Collected samples were analyzed for water quality parameters using standard procedures. The parameters determined were: Static water level, color, turbidity, temperature, Electrical Conductivity (EC), pH, Total Dissolved Solids (TDS) Total Suspended Solids (TSS), Total Solids (TS), total hardness, cations {potassium (K) sodium (Na), Calcium (Ca), magnesium (mg), Manganese (Mn), iron (Fe)}, anions ﴾Chloride (Cl-), Nitrate (NO3), Sulphate (SO4), Phosphate (PO4)}, heavy metals {lead (Pb), Zinc (Zn), Copper (Cu)} and microbiological parameters {Bacteria count and Total Coliform count (TC)}. Results: Results were subjected to statistical evaluations using SPSS 15.0 for descriptive statistics and Analysis Of Variance (ANOVA). The mean values of TDS, TS, EC and PO4 were higher in well water collected from urban areas compared to peri-urban areas during wet season. It was also observed that during the dry season, TDS, TSS, TS, EC, Mg, Fe, Cl-, PO4 and total hardness were also higher in samples collected from urban areas relative to peri-urban well water samples. Conclusion: Water quality parameters such as Fe, Pb, NO3, EC, Bacteria count and total coliform have mean values greater than World Health Organization maximum permissible standards for drinking water. Elevated values of these parameters are of great concern to public health when the water from these wells is consumed by people without treatment.
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