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The marine coastal sediments from Togo have been analysed for the trace elements Cd, Cr, Cu, Ni, Pb, Sr, V, Zn and Zr to ascertain the geo-ecological impact of dumping of phosphorite tailings into the sea. Trace element concentrations ranged from 2–44 ppm for Cd, 22–184 ppm for Cu, 19–281 ppm for Ni, 22–176 ppm for Pb, 179–643 ppm for Sr, 38–329 ppm for V, 60–632 ppm for Zn and 18–8928 ppm for Zr. Regional distribution of trace elements in the marine environment indicates that the...
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The objectives of this study were first to estimate the prevalence of cigarette smoking among secondary-school students and then to identify and analyse the demographic, social and cultural risk factors associated with the first cigarette smoking experience. A sample comprising 1000 students was selected randomly. Results showed that 19.6% of the total sample smoked; 15.5% among females and 21.9% among males. Family and/or friends appeared to influence the first cigarette experience and thus...
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To assess the contribution of the print and electronic media in Nigeria to fostering environment consciousness, two newspapers and two radio and television stations were chosen in the largest and very indigenous city in Africa, South of the Sahara (Ibadan). A household survey was conducted to obtain information on how the city residents perceive environmental problems and to elicit their sources of knowledge on and about environmental problems in their environment. Research results indicate...
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Trainees in the library and information profession in Africa depend on textbooks that are written for an environment other than Africa because of the dearth of textbooks suited to the local environment. There are very few books that attempt to focus on Africa and none of these books can really be used as a basic text for teaching. This has greatly affected the training of library and information professionals in Africa as the trainees are exposed to the situations in Europe, America and Asia...
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Trainees in the library and information profession in Africa depend on textbooks that are written for an environment other than Africa because of the dearth of textbooks suited to the local environment. There are very few books that attempt to focus on Africa and none of these books can really be used as a basic text for teaching. This has greatly affected the training of library and information professionals in Africa as the trainees are exposed to the situations in Europe, America and Asia...
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To study the role of health education and community participation for the provision of facilities necessary for the control of urinary schistosomiasis in southern Ghana.Health education facilitates community participation in the provision of facilities for the control of bilharzia.Three rural communities drained by the Densu river in southern Ghana.Individuals aged 14 years and above formed groups of 10-12 persons by age, sex, ethnic and educational background; 15-16 groups were formed.Based...
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Full text is available as a scanned copy of the original print version.
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(1999). The Distance Mode of Learning in Higher Education: The Tanzanian Experience. Open Learning: The Journal of Open, Distance and e-Learning: Vol. 14, No. 2, pp. 14-23.
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Reform of Ethiopian higher education financing: conceptual and policy issuesChapman, B. - 1999 - 1-
This paper examines two issues related to higher education financing. The first is conceptual and involves an explanation of the economic and social case for: (i) having higher education charges; and (ii), for such charges to be collected according to a former student's income. The issues addressed are matters of principle and thus apply to all countries. Second, possible reforms of current Ethiopian higher education financing arrangements are considered in the context of the conceptual...
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Abstract As the South African state begins to democratize, so questions are raised about how this process might be mediated by schools and teachers or how schools’ and teachers’ practices might inform the wider process of social change. This paper explores these issues through an examination of how teachers sought to alter relations of authority and the nature of their work within schools, and how these have interacted with new managerial and state initiatives. It examines the conditions of...
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We examined 397 school children for ankle clonus in five communities in three districts affected by konzo, spastic paraparesis associated with cassava consumption. From a subsample of 131 children, we analysed urine specimens for urinary thiocyanate, linamarin, and inorganic sulphate. The proportion of children with clonus varied between sites, ranging from 4 to 22 per cent. Geometric mean thiocyanate, linamarin, and inorganic sulphate concentrations were 163 and 60 mumol/l and 4.4 mmol/l,...
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One of the major problems in providing good quality education in developing countries is the high cost of library service to schools. To help overcome this, the Bulawayo Public Library developed a mobile library service which has been in operation since 1978. The article covers in depth its financial aspects, and provides suggestions for others wishing to establish such a service.
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Educational planners often attribute low level of educational participation to low level of supply and governments' efforts are directed at · expanding the supply of schools teachers, books and other educational materials. Little attention is given to the effect of demographic factors on educational participation. Therehave been surprisingly few attempts to quantify the impact of rapid population growth on the quantitative expansion of education in Ethiopia. This study, therefore, aims at...