UISpace
Welcome to UISpace, The University of Ibadan Institutional Repository. A collection of theses, articles, books, videos, images, lectures, papers, data sets and all types of digital content originating from the University of Ibadan Nigeria. This repository is managed by the Kenneth Dike Library University of Ibadan, Nigeria.
Communities in DSpace
Select a community to browse its collections.
- Please Click to View Repository
- Centre for Educational Media Resources
- College of Medicine
Recent Submissions
Influence of colour on oviposition of mosquitoes breeding in artificial containers in Abeokuta, Ogun State, Nigeria
(Researcher Connect Innovation and Impact Private Limited and MRI, 2008) Soniran, O.T.; Adeleke, M.A.; Adeyi, A.O.; Amusan, A.A.S.
Nine species of mosquitoes were encountered during the study period. Ae. aegypti was the most abundant species constituting 75.39% of the total larvae collected followed by Culex quinquefasciatus (7.92%) and Aedes metallicus (6.83%). Other species were Aedes circumleteolus (6.54%), Culex dutoni (1.62%), Aedes albopictus (0.85%), Aedes taylori (0.74%), Aedes caballus (0.08%) and Aedes myormioformis (0.04%). Black containers harboured the highest number of larvae (32.12%) followed by yellow (24.01%), green (23.39%), red (15.40%) and white (5.00%) containers. Bamboo stumps bred the highest number of larvae (60.66%) followed by calabash gourd (26.04%) and plastic (13.27%).
Gut Microflora and Microfauna of Earthworm Species in the Soils of the Research Farms of the University of Agriculture, Abeokuta, Nigeria
(Taylor & Francis, 2008) Idowu, A.B.; Edema, M.O.; Adeyi, A.O.
The present study investigated the microbial biomass (microflora and fauna) present in soil samples, gut sections and casts of earthworms collected from research farm areas on the campus of the University of Agriculture, Abeokuta. Keffia proxipora, Libyodrilus violacaeus and Hippoporera nigereae were the earthworm species identified from the soil samples. Isolated microflora included bacteria, yeasts and moulds while microfauna identified were protozoa and nematodes. For all samples of soil, casts and earthworms, the differences observed in counts of microflora and microfauna were significant at a level of p < 0.05. Casts stored for 2 weeks had higher pH and bacterial counts than those obtained from fresh castings. However, the pH values and nitrogen contents of both the fresh and stored casts were significantly higher than those for un-ingested soil samples. Among the earthworms identified, Libyodrillus violacaeus recorded the highest values of microflora and microfauna counts, significantly higher than values obtained for the other earthworm species. The hind gut of Libyodrillus violacaeus also had the highest bacterial, protozoal and yeast counts as well as total viable counts of microflora. Both micro-flora and fauna were found to increase in numbers during gut passage in all worms collected except for nematodes which were observed to reduce significantly in numbers during gut passage, with total disappearance in the mid and hind gut sections of some earthworm species.
Distribution of bacteria and fungi in the earthworm Libyodrillus violaceous (Annelida: Oligochaeta), a native earthworm from Nigeria.
(University of Costa Rica, 2006) Idowu, A.B.; Edema, M.O.; Adeyi, A.O.
Earthworms are soil invertebrates that play a key role in recycling organic matter in soils. In Nigeria, earthworms include Libyodrillus violaceous. Aerobic and anaerobic bacterial counts, as well as fungal counts of viable microorganisms in soils and gut sections, were made on twenty L. violaceous collected from different sites on the campus of the University of Agriculture, Abeokuta, Nigeria. The samples were collected between April and November, 2002. Numbers of microorganisms were higher in castings and gut sections than in uningested soil samples. The guts and their contents also had higher moisture and total nitrogen contents than the un-ingested soils. Bacteria and fungi isolated from the samples were identified by standard microbiological procedures on the bases of their morphological and biochemical characteristics. Isolated bacteria were identified as Staphylococcus, Bacillus spp., seudomonas aeruginosa, Streptococcus mutans, Clostridium, Spirocheata spp.,Azotobacter spp., Micrococcus lylae, Acinetobacter spp., Halobacterium for bacteria. Yeast isolates were identified as Candida spp., Zygosaccharomyces spp., Pichia spp., and Saccharomyces spp while molds were identified as, Aspergillus spp., Pytium spp., Penicillium spp., Fusarium spp and Rhizopus spp. Of the five locations examined, the refuse dump area had the highest numbers of both aerobic and anaerobic organisms, followed by the arboretum while the cultivated land area recorded the lowest counts. The higher numbers of microorganisms observed in the gut sections and casts of the earthworms examined in this work reinforce the general concept that the gut and casts of earthworms show higher microbial diversity and activity than the surrounding soil. Rev. Biol. Trop. 54(1): 49-58. Epub 2006 Mar 31.
Capture, Restraining and Transport of Wild Animals
(Ibadan University Press, 2016) Adeyi A.O.
Heavy metal accumulation in Corchorus olitorius L. and Talinum fruticosurp (Jacq) Wild grown on soil from abandoned battery dump site in Ile-Igbon, Oyo State, Nigeria
(Faculty of Agricultural Sciences, LAUTECH, Ogbomoso, 2017) Fayinminnu, O. O.; Oyelakin, O.; Idowu, O. D.; Fadina, O. O.
Plants are essential component of the natural ecosystems and terrestrial food chains. They have the potential to accumulate toxic metals when grown on such polluted soil, which could have negative health effects on man and livestock, if consumed. This study was conducted to evaluate the heavy metal accumulation in Corchorus olitorius and Talinum fruticosurp grown on soil from abandoned automobile battery dumpsite in Ile-Igbon, Lagelu Local Government Area, Oyo State, Nigeria. Heavy metals (Pb, Cd, Mn, Fe and Ni) concentrations in the soil, and root and shoot of Corchorus olitorius and Talinum fruticosurp were evaluated and the Transfer Factor (TF) of heavy metals in plants were determined. The experiment was laid out in a completely randomized design with four replicates. The treatments were battery polluted soil from Ile-Igbon and soil (control) from Teaching and Research Farm, University of Ibadan, Nigeria. Seeds and stem cuttings of C. olitorius and T. fruticosurp, respectively were planted into 5 kg pot of polluted and control soils. Heavy metal concentrations of the soil, shoot and root were analysed in the laboratory. Heavy metal concentrations of polluted soil were: Pb (2928 mg/kg), Cd (17.4 mg/kg), Mn (4482 mg/kg) and Fe (1877 mg/kg) as compared to the control: Pb (124 mg/kg), Cd (undetected), Mn (5368 mg/kg) and Fe (25.8 mg/kg). Heavy metals in the root and shoot samples of Corchorus olitorius and Talinum fruticosurp were Pb and Fe. Cadmium, Fe and Pb showed TF>1 for both vegetables. The study concluded that vegetables planted around Ile-Igbon have high concentrations of Pb and Fe. Even though Fe in the vegetables was below WHO permissible level of 425 mg/kg, Pb concentration (3.0 mg/kg) was beyond WHO/FAO permissible level.