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A genetic study of the gametocidal effect of the Lr19 translocation of common wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R. Prins --- Department of Genetics, University of Stellenbosch, Republic of South Africa G.F. Marais --- Department of Genetics, Republic of South AfricaThe Lr19 translocation is preferentially transmitted to the progeny of a heterozygote due to the actions of at least two genes, Sd1 and Sd2 (new designation). However, only Sd2 occurs in the recombinant, Lr19-149, and often causes self-elimination of the... -
Spawning migrations of Lake Tana Labeobarbus spp. (Teleostei: Cyprinidae) in the Ribb River, Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W Anteneh --- Department of Biology, College of Science, Ethiopia A Getahun --- Fisheries and Aquatic Science Stream, Department of Zoological Sciences, Ethiopia E Dejen --- FAO Subregional Office for Eastern Africa, EthiopiaSpawning migration of the endemic Labeobarbus species of Lake Tana upstream and downstream of a proposed site for a large dam on the Ribb River, Ethiopia, were investigated to assess the dam's potential impact on these fish. Fish were collected... -
Habitat use pattern of three species of egrets in a small coastal lagoon in Ghana
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Francis Gbogbo --- Department of Animal Biology and Conservation Science, Ghana Gideon Kwarteng Acheampong --- Department of Animal Biology and Conservation Science, Ghana John-Mark Yaw Atiemo --- Department of Animal Biology and Conservation Science, Ghana Quist Elorm Crepindale --- Department of Animal Biology and Conservation Science, GhanaThe foraging and pattern of habitat use of Western Reef Heron Egretta gularis, Little Egret Egretta garzetta and Great Egret Egretta alba were studied in Sakumo II Lagoon in Ghana to determine the extent of utilisation of non-fish resources by... -
An “Indian commons” in Durban? limits to mutuality, or the city to come
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Sharad Chari --- Centre for Indian Studies in Africa and Department of Anthropology, South AfricaThis paper explores the ways in which memories of Black South Africans in Durban, identified by racial discourse and often by themselves as Indian and Coloured, reach back to early twentieth century processes of dispossession and occupation. Through historical and... -
Diversification of prey capture techniques among the piscivores in Lake Tana’s (Ethiopia) Labeobarbus species flock (Cyprinidae)
Item type: Journal Article • Journal: African Zoology • Authors: Martin de Graaf --- Experimental Zoology Group, Wageningen, the Netherlands Gerco H. van de Weerd --- Experimental Zoology Group, Wageningen, the Netherlands Jan W.M. Osse --- Experimental Zoology Group, Wageningen, the Netherlands Ferdinand A. Sibbing --- Experimental Zoology Group, Wageningen, the NetherlandsLake Tana harbours the only known intact species flock of large cyprinid fishes (15 Labeobarbus spp.). One of the most curious aspects of this species flock is the large number (8) of piscivorous species. Cyprinids are not well designed for... -
Fathering volkekunde: race and culture in the ethnological writings of Werner Eiselen, Stellenbosch University, 1926–1936
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew Bank --- History Department, South AfricaWerner Willi Max Eiselen (1899–1977) has been celebrated for having consolidated the liberal functionalist school of social anthropology in South Africa. In the standard androcentric narrative, David Hammond-Tooke (1997) argues that during his decade-long tenure as head of “Bantology” at... -
“We are all children of God”: a Charismatic church as space of encounter between township and suburb in post-apartheid Johannesburg
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Barbara Heer --- Institute of Social Anthropology, SwitzerlandTwenty years after the first democratic election in South Africa, Johannesburg is still marked by the legacy of apartheid. This makes it difficult for residents of former townships and of suburban middle classes to interact in everyday life. Nevertheless, urban... -
Indexing immunity to malaria in South Africa in the 1920s and 1930s
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Randall Packard --- Institute of the History of Medicine, United States of AmericaDuring the 1920s and 1930s, medical authorities, municipal officials and employers of African farm labour in the lowveld regions of the former Transvaal constructed a system for classifying Africans in terms of their susceptibility or resistance to malaria. This classification... -
Functionally graded metal matrix composite by centrifugal casting technique mathematical correlation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Williams S. Ebhota --- Discipline of Mechanical Engineering, South Africa Freddie L. Inambao --- Discipline of Mechanical Engineering, South AfricaThe functionally graded materials (FGMs) solidification process has complicated movement phenomena of fluid, solute and heat. These phenomena control the segregation of particles in a molten matrix, interactions of particles with a solidification front and the integration of particles in... -
Media images and the gendered representation of chefs
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Beverly (Shih-Yun) Chen --- , New Zealand Alison McIntosh --- , New Zealand Candice Harris --- , New Zealand Warren Goodsir --- , New ZealandImages portrayed in online media may influence societal perceptions of chefs, with the potential to perpetuate gender segregation in the professional kitchen. Little scholarly attention in previous research has been given to the examination of gender and images in hospitality... -
Distribution and abundance of African elephants in Ngorongoro Crater, northern Tanzania
Item type: Journal Article • Journal: African Zoology • Authors: John Kioko --- , Tanzania Alanna Horton --- , United States Margo Libre --- , United States Jennifer Vickers --- , United States Emma Dressel --- , United States Heather Kasey --- , United States Pastory M Ndegeya --- , Tanzania Donatus Gadiye --- , Tanzania Bernard Kissui --- , Tanzania Christian Kiffner --- , TanzaniaWe studied the distribution and abundance of African elephants in Ngorongoro Crater (NC), northern Tanzania to test whether male and female elephants select different habitats and to assess whether elephant abundance was related to monthly precipitation. From 2016 to 2017,... -
Recycling of municipal solid waste in India: Empirical findings from some select colonies in Delhi
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Madhav Govind --- , India Mirinchonme Mahongnao --- , IndiaThe growing volume of municipal waste has become a serious challenge for urban local bodies in Indian cities. The non-segregation of waste at the source is one of the main reasons for the low percentage of municipal waste being recycled...