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Correlates of sexual activity versus non-activity of incoming first-year students at a South African university
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Renette J Blignaut --- Department of Statistics and Population Studies, Tania Vergnani --- Department of Statistics and Population Studies, Joachim J Jacobs --- Department of Statistics and Population Studies,In order to contribute to the design of more effective programmes to curb the spread of HIV at tertiary institutions, this study compares the profile of students who are sexually active versus those who are not yet sexually active when... -
Prioritising species for research, conservation and management: a case study of exploited fish species
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SJ Lamberth --- Branch: Fisheries Management, Department of Agriculture, South Africa AR Joubert --- Southern Waters Ecological Research and Consulting, South AfricaStudies that categorise species according to their conservation status often fall short in their implementation by not having taken into account the impacts on, or the response from, those that either benefit from, or exploit, the resource under consideration. This... -
Drivers for the effective management of HIV and AIDS in the South African construction industry — a Delphi study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nishani Harinarain --- School of Engineering, Property Development Programme, South Africa Theo Conrad Haupt --- School of Engineering, Property Development Programme, South AfricaDifferent industries manage the threats presented by HIV and AIDS in different ways. The construction industry is particularly vulnerable to the pandemic because of its large unskilled labour force, high labour turnover and the migratory nature of the workforce. The... -
Testing for the occurrence of pilchard herpesvirus (PHV) in South African sardine Sardinops sagax
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BM Macey --- Branch: Fisheries Management, Department of Agriculture, South Africa KW Christison --- Branch: Fisheries Management, Department of Agriculture, South Africa J de Goede --- Branch: Fisheries Management, Department of Agriculture, South Africa L Hutchings --- Marine Research Institute and Department of Biological Sciences, South Africa CD van der Lingen --- Branch: Fisheries Management, Department of Agriculture, South AfricaCatches of South African sardine Sardinops sagax have declined in recent years from about 200 000 t harvested annually during the period 2002–2006 to less than 100 000 t. Consequently, some companies are now importing sardine from sources elsewhere in... -
Protection of marine birds and turtles at St Brandon’s Rock, Indian Ocean, requires conservation of the entire atoll
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SW Evans --- Research Unit: Environmental Sciences and Management, South Africa N Cole --- Durrell Wildlife Conservation Trust, Les Augrès Manor, Channel Islands H Kylin --- Research Unit: Environmental Sciences and Management, South Africa NS Choong Kwet Yive --- Department of Chemistry, V Tatayah --- Mauritian Wildlife Foundation, Mauritius J Merven --- Raphael Fishing Co. Ltd, Mauritius H Bouwman --- Research Unit: Environmental Sciences and Management, South AfricaA survey of seabirds and turtles at St Brandon’s Rock, 400 km north of Mauritius, was undertaken in 2010. We estimated that 1 084 191 seabirds comprising seven breeding species and excluding non-breeders were present at the archipelago and we... -
The influence of the importance of event factors on meeting planner satisfaction: A case study of a theme park event business
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jutta Fast --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Elsbeth de Boer --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Bill Rowson --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsThis paper presents data from a research project aimed at identifying how important the different event factors are to the visiting meeting planners and how this might influence guest satisfaction. The focus for the researchers was to get an overall... -
Ethnomedicinal use of vultures by traditional medicinal practitioners in Ghana
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Maxwell K Boakye --- PO Box KS 11041, Ghana Edward D Wiafe --- Department of Environmental and Natural Resources Management, Ghana Meyir Y Ziekah --- Kumasi Zoological Garden, Forestry Commission (Wildlife Division), GhanaVultures form an important ingredient used by traditional medicinal practitioners for the preparation of their therapeutic remedies. The aim of this study was to determine the vulture body parts used for alleviating human ailments by traditional medicinal practitioners in Ghana... -
Diet of Glossogobius callidus (Teleostei: Gobiidae) in freshwater impoundments in the Sundays River Valley of the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Mofu --- Department of Ichthyology and Fisheries Science, South Africa DJ Woodford --- Centre for Invasion Biology, School of Animal, Plant and Environmental Sciences, South Africa RJ Wasserman --- South African Institute for Aquatic Biodiversity, South Africa T Dalu --- South African Institute for Aquatic Biodiversity, South Africa OLF Weyl --- Department of Ichthyology and Fisheries Science, South AfricaDespite the high abundance of the gobiid fish Glossogobius callidus in many freshwater ecosystems in South Africa, very few studies have assessed the biology and ecology of the species. Here, we investigated the diet of G. callidus populations sourced from... -
Post COVID-19 online shopping in South Africa: A mediation analysis of customer satisfaction on e-service quality and purchase intention
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matolwandile M. Mtotywa --- Tshwane University of Technology, South Africa Charles Kekana --- Tshwane University of Technology, South AfricaThe study investigated the dynamics of online shopping focusing on mediation analysis of customer satisfaction on e-service quality and purchase intention. The study used a cross-sectional quantitative method where 324 responses were collected through a self-administered online survey questionnaire from... -
The avifauna, conservation and biogeography of the Njesi Highlands in northern Mozambique, with a review of the country’s Afromontane birdlife
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Samuel EI Jones --- School of Biological Sciences, United Kingdom Gabriel A Jamie --- Biodiversity Inventory for Conservation, Belgium Emidio Sumbane --- Biodiversity Inventory for Conservation, Belgium Merlijn Jocque --- Biodiversity Inventory for Conservation, BelgiumNorthern Mozambique’s ‘sky-island’ mountains have become increasingly recognised for their Afromontane birdlife. Despite growing ornithological coverage, however, several Mozambican mountains remain poorly known. We present results from a three-week survey of three such mountains: the Njesi Plateau, Mount Chitagal and... -
Marabou Stork Leptoptilos crumenifer breeding in the greater Gorongosa landscape, Mozambique
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Marc Stalmans --- , Mozambique Andre Botha --- , South Africa Teague Scott --- , United States Gregory Kaltenecker --- , United States Ara Monadjem --- , EswatiniThe Marabou Stork Leptoptilos crumenifer is a large wading bird that occurs extensively throughout sub-Saharan Africa in savanna and wetland habitats. Despite its widespread occurrence in southern Africa, the number of known breeding localities and the numbers of nests are... -
Changes in vegetation structure, aboveground biomass and soil quality in response to traditional grazing land management practices in the central highlands of Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Teklu Wegi --- , Ethiopia Abubeker Hassen --- , South Africa Melkamu Bezabih --- , Ethiopia Adugna Tolera --- , EthiopiaDespite shrinking pastureland in the central highlands of Ethiopia, as a result of cropping, there has been little detailed work to evaluate effects of traditional grazing land management practices on vegetation and soil attributes. This study aimed to quantify vegetation... -
South Africa’s agro processing trade in value added, global value chains (GVCs) perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ajebush A. Shafi --- , Republic of South Africa Mammo Muchie --- , Republic of South Africa Getachew T. Sedebo --- , Republic of South AfricaThe agro-processing sub-sector of the manufacturing industry has high recognition on the South African government’s development agenda. Yet, the contribution of the sector to the economy with respect to the foreign trade earning appears to be low in comparison to... -
Population trends of resident and migrant West African bird species monitored over an 18-year period in central Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Joy Akpanta Ishong --- AP Leventis Ornithological Research Institute, Nigeria Joseph K Afrifa --- AP Leventis Ornithological Research Institute, Nigeria Soladoye B Iwajomo --- AP Leventis Ornithological Research Institute, Nigeria Justus P Deikumah --- AP Leventis Ornithological Research Institute, Nigeria Samuel T Ivande --- AP Leventis Ornithological Research Institute, Nigeria Will Cresswell --- AP Leventis Ornithological Research Institute, NigeriaAlmost no systematic monitoring of bird population trends occurs in West Africa, despite rapid human population increase, habitat change, and climate change, making conservation planning problematic. We monitored bird population trends using constant-effort mist netting, in a newly protected area... -
Aspects of the nonbreeding ecology of the Tree Pipit Anthus trivialis in and around Amurum Forest Reserve, Jos Plateau, Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Taiwo A Adams --- University of Jos Biological Conservatory, Nigeria Samuel T Ivande --- University of Jos Biological Conservatory, Nigeria Mark Wilson --- , United KingdomTo advance our knowledge about the nonbreeding ecology of the Tree Pipit Anthus trivialis, this study investigated its population dynamics, habitat utilisation and foraging behaviour, from October to December 2018, in and around the Amurum Forest Reserve, located in the... -
Predicting tax fraud using supervised machine learning approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Belle Fille Murorunkwere --- University of Rwanda, Rwanda Revenue Authority, Dominique Haughton --- Université Paris 1 (SAMM), Joseph Nzabanita --- University of Rwanda, Francis Kipkogei --- Stepwise Inc, Kenya Ignace Kabano --- College of Business and Economics/University of Rwanda,With the advancement in technology, the tax base in Rwanda has become broader, and as a result, tax fraud is growing. Depending on the dataset used, fraud detection experts and researchers have used different methods to identify questionable cases. This... -
Bayesian forecasting of stock returns on the JSE using simultaneous graphical dynamic linear models
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Nelson Kyakutwika --- Stellenbosch University, South Africa Bruce Bartlett --- Stellenbosch University, South AfricaCross-series dependencies are crucial in obtaining accurate forecasts when forecasting a multivariate time series. Simultaneous Graphical Dynamic Linear Models (SGDLMs) are Bayesian models that elegantly capture cross-series dependencies. This study forecasts returns of a 40... -
Trends and population size of White-necked Rockfowl Picathartes gymnocephalus within the Nyamibe Bepo Forest Reserve in Ghana
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Joseph Kwasi Afrifa --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Ernestina Ahema --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Winston Kanyi --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Gideon Nyamekye Osei --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Darkwah Yaw Amoateng --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Augustus Asamoah --- Proforest Africa Regional Office, GhanaThe White-necked Rockfowl Picathartes gymnocephalus (family Picathartidae) is endemic to the Upper Guinea forest and has a global population of <10 000 mature individuals. This species is listed as Vulnerable on the IUCN Red List owing to its declining population,... -
A baseline survey of coastal birds in the Greater Bazaruto region, Mozambique
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Peter G Ryan --- University of Cape Town, South Africa Cliff Dorse --- , South Africa Dave Gilroy --- , Mozambique James Hogg --- , United Kingdom Albert McLean --- , South Africa Christine Read --- , South Africa Evan Trotzuk --- African Parks Mozambique, Mozambique Gary Allport --- The David Attenborough Building, United KingdomWe report the numbers of coastal birds in the Greater Bazaruto Important Bird and Biodiversity Area (IBA), Mozambique. In November–December 2023, we counted waterbirds foraging on tidal flats and at roost sites in the San Sebastian (São Sebastião) Peninsula, Bazaruto...