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Measurements of mineralization, nitrification and denitrification in laboratory incubations of soil from a semi-arid natural grassland
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.H. Wiltshire --- Department of Soil Science, Republic of South Africa C.C. du preez --- Department of Soil Science, Republic of South AfricaExperiments were done to compare three incubation methods after it was found that prolonged incubation of soil in sealed preserving jars resulted in the exhaustion of head- space oxygen and anaerobiosis in the soil. Nitrate added to soil from the... -
THE INTERRELATIONSHIPS BETWEEN THE BIOLOGICAL AND PHYSICO-CHEMICAL PARAMETERS IN THE WATER PHASE OF SESHEGO DAM, NORTHERN TRANSVAAL
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: Antoinette Jooste --- Department of Zoology and Biology, South AfricaSeshego Dam, Lebowa, was investigated over a period of 15 months (1974 – 1975). The interrelationships between biological parameters such as Biological Growth Potential (BGP), anaerobic fecal and coliform bacteria, Cladocera and Copepoda were established by means of factor and... -
Can the End Products of Anaerobic Metabolism, Tauropine and D-lactate, Be Used As Metabolic Stress Indicators During Transport of Live South African Abalone Haliotis Midae?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S. O'Omolo G. Gäde P. A. Cook A. C. BrownThis study was undertaken to investigate whether the accumulation of end products of anaerobic metabolism can be used as an early indicator of deteriorating conditions during transport of live abalone Haliotis midae. A first series of experiments revealed that the... -
Physical activity, social support and socio-economic status amongst persons living with HIV and AIDS: a review
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Smart Z Mabweazara --- Department of Sport Recreation and Exercise Science, South Africa Clemens Ley --- Institute of Sport Science, Austria Lloyd L Leach --- Department of Sport Recreation and Exercise Science, South AfricaPhysical activity can be used for the effective and comprehensive management of HIV and AIDS. Social support and socio-economic status (SES) are two factors that shape physical activity behaviours. Individuals of low SES carry a disproportionate burden of the HIV...