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The influence of rainfall on the seasonal abundance and flight activity of the maize stalk borer, Busseola fusca in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa G. D.J. van Rensburg --- Summer Grain Centre, Republic of South Africa J.H. Giliomee --- Department of Entomology, Republic of South Africa M.C. Walters --- , Republic of South AfricaThis study attempts to demonstrate the extent to which seasonal fluctuations in the number of Busseola fusca (Fuller) moths can be explained by precipitation data. Daily flight activity is shown to be enhanced by cool, humid conditions and restricted by... -
Invloed van sekere grondeienskappe op aktiwiteit van atrasien
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.G. Ehlers --- Departement Plantproduksie, Republiek van Suid-Afrika C.F. Reinhardt --- Departement Plantproduksie, Republiek van Suid-Afrika P.C. Nel --- Departement Plantproduksie, Republiek van Suid-AfrikaDie aktiwiteit van atrasien is in biotoetse onder gekontroleerde toestande ondersoek in 43 gronde vanaf 29 lokaliteite geleë in die somerreënvalstreek van Suid-Afrika. Sojabone en hawer is in afsonderlike proewe as toetsgewas gebruik. Geselekteerde grondeienskappe is met atrasienaktiwiteit gekorreleer. In... -
Importance of selected soil properties on the bioactivity of alachlor and metolachlor
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. Reinhardt --- Department of Plant Production, Republic of South Africa P.C. Nel --- Department of Plant Production, Republic of South AfricaBioassays with grain sorghum (Sorghum bicolor L. Moench) cultivar NK222 were conducted in a glasshouse. Thirty-four natural soils were used in each of two experiments with alachlor [2-chloro-2′,6′-diethyl-N- (methoxymethyl) acetanilide] and metolachlor [2-chloro-6′-ethyl-N-(2-methoxy-1-methylethyl)acet-otoluidide] respectively. Linear regression analyses were performed to... -
Kinetika van nitrifikasie in gronde van die sentrale besproeiingsgebiede in Suid-Afrika
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Laubscher --- Departement van Grondkunde, Republiek van Suid-Afrika C.C. du Preez --- Departement van Grondkunde, Republiek van Suid-AfrikaDie verloop van nitrifikasie is in agt gronde, afkomstig van die sentrale besproeiingsgebiede, gemonitor na toediening van (NH4)2SO4 teen die ekwivalent van 100 kg N ha−1 aan beide die bo- en ondergronde. Tydens inkubasie by 30°C is die NH4 +,... -
Importance of selected soil properties on the bioactivity of acetochlor and metazachlor
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. Reinhardt --- Department of Plant Production, Republic of South Africa P.C. Nel --- Department of Plant Production, Republic of South AfricaThe bioactivity of acetochlor (2-chloro-N-(ethoxymethyl)-6′-ethyl-o-acetotoluidide) and metazachlor (2- chloro-N-(1-pyrazolylmethyl)-aceto-2′,6′-xylidide) was evaluated in thirty-two soils under controlled conditions. Grain sorghum (Sorghum bicolor L. Moench) cultivar NK222 was used as the indicator plant in the bioassays. Bioactivity was correlated with organic matter... -
Persistence of atrazine as affected by selected soil properties
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. Reinhardt --- Department of Plant Production, Republic of South Africa J.G. Ehlers --- Department of Plant Production, Republic of South Africa P.C. Nel --- Department of Plant Production, Republic of South AfricaThe relationships between selected soil properties and the bioactivity of atrazine (2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine) were investigated in field trials. Bioactivity was determined periodically for up to twelve months on a variety of soil types using oats (Avena sativa L.) as the test... -
Pollination activity and behaviour of honeybees (Apis mellifera L.) in commercial sunflower in the Transvaal
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.P. du Toit --- , Republic of South Africa E. Holm --- Department of Entomology, Republic of South AfricaHoneybee foraging activity in commercial sunflower fields was studied at Settlers, 100 km north of Pretoria. Foraging activity, which was studied by means of the conventional strip count method, commenced after sunrise and reached a peak of 38 foragers per... -
Evaluering van die effek van industriële uitvloeisels op grondbiodegradasie en ontkieming met behulp van mikrobiologiese aktiwiteitsbepalings en ontkiemingstudies
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. J.G. van der Merwe --- , Republiek van Suid-Afrika E. Nel --- , Republiek van Suid-Afrika H. J.C. Smith --- , Republiek van Suid-Afrika A. van Wyk --- , Republiek van Suid-AfrikaDie bydrae van grondmikro-organismes tot biologiese aktiwiteite in die grand is baie belangrik, veral met betrekking tot hul metaboliese aktiwiteite, asook hul rol in energievloei en voedingsiklusse van, bv. C, N, P, S, Fe, Mn, en Si. 'n Versteuring van... -
Germination of Pterocarpus angolensis DC. and evaluation of the possible antimicrobial action of the phloem sap
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K. van der Riet --- Department of Plant and Soil Sciences, Republic of South Africa L. van Rensburg --- , R.I. De Sousa Correia --- , L.J. Mienie --- Department of Biochemistry and Microbiology, G. H.J. Krüger --- Department of Plant and Soil Sciences, Republic of South AfricaThe Transvaal teak (Pterocarpus angolensis) is being over utilised in its natural habitat, although it is a protected tree in South Africa, Swaziland and Namibia. The phloem sap of this species has several traditional, medicinal uses and the wood is... -
Biological control of Rhizoctonia solani by two Trichoderma species isolated from South African composted soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.S. Yobo --- , Republic of South Africa M.D. Laing --- , Republic of South Africa C.H. Hunter --- , Republic of South Africa M.J. Morris --- , Republic of South AfricaStrains of two Trichoderma species isolated from composted soil were evaluated for biological control of Rhizoctonia solani. Macroscopic observations of in vitro bioassays revealed that the Trichoderma isolates overgrew the pathogen completely and that a brownish discolouration occurred at the... -
Microbial community function and structure on coal mine discard under rehabilitation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S. Claassens --- , South Africa K.J. Riedel --- , South Africa L. Van Rensburg --- , South Africa J.J. Bezuidenhout --- , South Africa P.J. Jansen van Rensburg --- , South AfricaThe rehabilitation of coal mine discard is problematic, especially since the lack of measures to evaluate the success of rehabilitation in terms of the self-sustainability of soil ecosystems established on these sites. In this study, the potential for using microbial... -
Bio-stimulatory properties in seeds of plants from the families Caryophyllaceae and Fabaceae with application potential in agriculture
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Pretorius --- , South Africa A. Du Plessis --- , South Africa E. van der Watt --- , South AfricaA comparative investigation into the bio-stimulatory activity of seed suspensions from two South African plant species belonging to each of the families Caryophyllaceae and Fabaceae were conducted using ComCat®, a commercially available bio-stimulant, as a positive control. These included Acacia... -
Effects of liming on microbial activity and N mineralization in broiler manure-amended soils from Bizana, Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.G. Jezile --- Department of Soil and Crop Sciences, USA D.G. Westfall --- Department of Soil and Crop Sciences, USA G. Peterson --- Department of Soil and Crop Sciences, USA D.R. Child --- Department of Rangeland Ecosystem Sciences, USA D.P. Turner --- , RSA W. Van Averbeke --- , RSAA laboratory incubation study was conducted to determine the effects of liming on microbial activity and N mineralization in two Bizana soils amended with broiler manure. The experimental layout was a 4 x 3 complete factorial experiment with three replicates,... -
Soil properties changes after short-term livestock exclusion in “degraded” communally managed rangelands in the western Bophirima District, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.S. Moussa --- , South Africa L. Van Rensburg --- , South Africa K. Kellner --- , South AfricaLivestock grazing and detrimental overgrazing are commonly associated with severe rangeland degradation particularly in communally managed pastoral systems in South Africa. Effects of grazing exclusion on vegetation are well documented, but there is a dearth of quantitative research conducted in... -
Open-top chamber facility to study air pollution impacts in South Africa. Part II: SO2–drought interactions on yield, photosynthesis and symbiotic nitrogen fixation in soybean
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E Heyneke --- School of Environmental Science and Development, South Africa AJ Strauss --- School of Environmental Science and Development, South Africa RJ Strasser --- Bioenergetics Laboratory, Switzerland GHJ Krüger --- School of Environmental Science and Development, South AfricaSouth Africa has an extremely energy-intensive economy, resulting in substantial air pollution through its coal-fired power stations. Modelled sulphur dioxide (SO2) concentrations on the central Highveld mostly range between 10 and 50 ppb, exceeding 50 ppb in source areas. Well-watered... -
Effect of tillage systems and nitrogen application rates on selected physical and biological properties of a clay loam soil in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: TS Taylor --- Soil Science, School of Environmental Sciences, South Africa LW Titshall --- Soil Science, School of Environmental Sciences, South Africa JC Hughes --- Soil Science, School of Environmental Sciences, South Africa GR Thibaud --- Soil and Analytical Services Division, Department of Agriculture, South AfricaThe effects of agricultural management practices on soil physical and biological parameters provide fundamental information for assessing sustainability. Tillage (annual conventional tillage and no-till) and nitrogen fertiliser (limestone ammonium nitrate at rates of 0, 100 and 200 kg N ha−1)... -
Educators' Perceptions of Attention Deficit Hyperactivity Disorder: An Exploratory Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anwynne Kern --- University of Witwatersrand, Joseph Seabi --- University of Witwatersrand,The study investigated the perceptions of educators about Attention Deficit Hyperactivity Disorder, specifically their views on its incidence, causes and appropriate interventions in school settings. Five purposively selected educators from a private school participated in the study. Ethnographic interview was... -
Attention Deficit Hyperactivity Disorder (ADHD)—Dilemmas and Solutions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martha Alida Jacoba Olivier --- Nelson Mandela Metropolitan University, Ana Maria Gomes --- Nelson Mandela Metropolitan University, Aletta Johanna Greyling --- Nelson Mandela Metropolitan University,We investigated the efficacy of the Coping Skills Programme to address dilemmas and solutions for parents of children diagnosed with Attention Deficit Hyperactivity Disorder (ADHD). Participants were purposively sampled parents of children diagnosed with ADHD in the Eastern Cape of... -
Sexual Activity Among Rural High School Students in Zimbabwe: Results and Implications for HIV Prevention
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Taruvinga Mushoriwa --- University of Fort Hare,This study surveyed sexual activity among Zimbabwean teenagers with a view to assisting them adopt safe sexual practices in the face of the HIV\AIDS pandemic. Participants were 200 high school students (females = 50%; mean age = 16.7%, SD =... -
Correlates of missed HIV appointments in low-resource settings: a study from Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Davy Vancampfort --- , Belgium Peter Byansi --- , Uganda Philip B Ward --- , Australia James Mugisha --- , UgandaAims: Alarming reports of antiretroviral treatment failure have recently emerged in sub-Saharan Africa. The onset of virologic failure has multiple causes but suboptimal treatment adherence is one of the leading causes. This study aimed to explore correlates of adherence to... -
The distribution and feeding ecology of the characid Brycinus sadleri in Lake Nabugabo, Uganda: implications for persistence with Nile perch (Lates niloticus)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JohnP Olowo LaurenJ Chapman ColinA Chapman Richard Ogutu-OhwayoCoincident with a rapid increase in numbers of introduced predatory Nile perch (Lates niloticus) in lakes Victoria, Kyoga, and Nabugabo of East Africa was a dramatic decline in populations of many native fishes. However, a few species, including the characid... -
Towards the development of a macroinvertebrate sampling technique for palustrine wetlands in South Africa: a pilot investigation in the KwaZuluNatal midlands
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Rebecca Bowd DonovanC Kotze CraigD Morris NevilW QuinnA study was undertaken in November 2003 to derive a suitable sampling technique for collecting a representative sample of aquatic macroinvertebrates from a selected emergent vegetation biotope in a palustrine wetland, Melmoth Vlei, KwaZulu-Natal, South Africa. The aim was to... -
Quantitative aspects of oxygen and carbon dioxide exchange through the lungs in Ocypode ceratophthalmus (Crustacea: Decapoda) during rest and exercise in water and air
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WJ van Aardt --- School of Environmental Sciences and Development, South AfricaGhost crabs Ocypode ceratophthalmus were exercised in air and water to measure CO2 and O2 exchange rates using the method of instantaneous measurements of oxygen consumption rate (MO2) where applicable. Average heart rate increased from 100 to nearly 400 pulses... -
Biodiversity and extracellular enzymatic activity of heterotrophic bacterial communities in Bardawil Lagoon, Egypt
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Bahgat --- Department of Botany, Faculty of Sciences, Egypt A Dewedar --- Department of Botany, Faculty of Sciences, Egypt HM Shafik --- Department of Botany, Faculty of Sciences, Egypt EE Shabana --- Department of Botany, Faculty of Sciences, EgyptThe biodiversity of heterotrophic viable bacteria (209 isolates) in the hypersaline Bardawil Lagoon, Egypt, was studied. Composition and extracellular activities of viable culturable heterotrophic bacteria (VCHB) in the water and in non-colonised and seagrass-colonised sediments of Bardawil Lagoon were determined... -
A laboratory assessment of the potential molluscicidal activity of some Nigerian plant species used as anthelmintics
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AA Adenusi --- Parasitology Unit, Department of Plant Science and Applied Zoology, Nigeria AB Odaibo --- Department of Zoology, NigeriaLaboratory studies were conducted to determine the potential molluscicidal activity of five Nigerian plant species used in alternative medicine practice as anthelmintics. Laboratory-bred adult Biomphalaria pfeifferi, the snail host of Schistosoma mansoni in Nigeria, and their viable 0- to 24-hour-old... -
Use of a small, intermittently-open estuary by waterbirds: a case study of the East Kleinemonde Estuary, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AI Terörde --- Percy FitzPatrick Institute of African Ornithology, South Africa JK Turpie --- , South AfricaLittle is known of the use and importance of South African small, intermittently-open estuaries to waterbirds. Waterbird activities were monitored in a section of the East Kleinemonde Estuary on the south-east coast of South Africa from June 2004 to May... -
Patterns of microbial activity in the shallow bottom sediments of Lake Manzala, Egypt
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Bahgat --- Botany Department, Egypt FM El Fawal --- Geology Department, Egypt F Al-Misned --- Department of Zoology, College of Sciences, Saudi Arabia HA El-Serehy --- Department of Zoology, College of Sciences, Saudi Arabia S Shaheen --- Geology Department, EgyptGeneral microbial activity, determined by hydrolysis of fluoresceine diacetate (FDA), was investigated in two sediment cores collected from Manzala Lake during November 2011. FDA hydrolysis positively correlated with total bacterial counts, bacterial biomass and chlorophyll a in both cores. The... -
Photosynthetic performance, epiphyte biomass and nutrient content of two seagrass species in two areas with different level of nutrients along the Dar es Salaam coast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EF Mvungi --- Department of Botany, Tanzania FA Mamboya --- Department of Sciences and Laboratory Technology, TanzaniaHeavy nutrient loads in coastal waters often lead to excessive growth of microalgal and macroalgal epiphytes on seagrass leaves, with varying effects on the underlying seagrasses. This study evaluates the photosynthetic performance, epiphytic biomass and tissue nutrient content of two... -
A hard-knock life: the foraging ecology of Cape cormorants amidst shifting prey resources and industrial fishing pressure
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MH Hamann --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa D Grémillet --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa PG Ryan --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa F Bonadonna --- , France CD van der Lingen --- Department of Agriculture, Forestry and Fisheries, South Africa L Pichegru --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South AfricaOnce one of the most numerous seabirds of the Benguela upwelling system, the population of Cape cormorants Phalacrocorax capensis has decreased by 60% in the past three decades and the species is listed as Near Threatened. Declines in prey availability... -
Behavioural observations of the common octopus Octopus vulgaris in Baía dos Tigres, southern Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CL de Beer --- Department of Ichthyology and Fisheries Science, South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South AfricaObservations on the behaviour of the common octopus Octopus vulgaris were made during daytime and night-time sampling on an unexploited rocky reef habitat in Baía dos Tigres, southern Angola. The relative numerical abundance sampled was 0.47 octopus person–1 h–1 during... -
Some notes on the effect of wet-storage on timber
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: F.S. Malan --- Komatiland Forests Pty Ltd, AfricaThe storage of logs under water sprays has proved to be a highly effective method to preserve logs over prolonged periods against drying defects and infestation by staining fungi. Wet-storage has little effect on wood quality apart from some degradation... -
Influence of largemouth bass, Micropterus salmoides, on abundance and habitat selection of Cape galaxias, Galaxias zebratus, in a mountain stream in the Cape Floristic Region, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JM Shelton JA Day CL GriffithsPredatory alien fishes have been widely introduced into streams in the Cape Floristic Region (CFR), South Africa, but little is known about their effect on native fishes. Results from this 2006 study suggest that the presence of alien predatory largemouth... -
Preliminary assessment of oestrogenic activity in water sources in Rietvlei Nature Reserve, Gauteng, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NH Aneck-Hahn MS Bornman C de JagerA preliminary assessment was made of oestrogenic activity in water sources in the Rietvlei Nature Reserve, from which water is supplied to the metropolitan area of Pretoria. Single samples were extracted from seven sites using a solid phase C18 cartridge... -
Exploring differences of soil quality as related to management in semiarid rangelands in the western Bophirima District, North West province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AS Moussa L van Rensburg K Kellner A BationoDifferences in land-use management may result in different rangeland condition (soil, vegetation and biodiversity) and productivity. Vegetation condition in contrasting land-use management systems is well documented in semiarid rangelands, but relatively little information is available on soil quality. This study... -
Evaluation of four Mozambican cowpea landraces for drought tolerance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Celia M Martins --- Forestry and Agricultural Biotechnology Institute, Plant Science Department, South Africa David W Lawlor --- Rothamsted Research, UK Orlando A Quilambo --- Department of Biological Sciences, Mozambique Karl J Kunert --- Forestry and Agricultural Biotechnology Institute, Plant Science Department, South AfricaThe southern part of Mozambique is vulnerable to drought, affecting the country's food production, and thus requires more drought-tolerant crops. Four local cowpea landraces, Massava nhassenje, Timbawene moteado, Namarua and Tete-2, which are currently widely used by local Mozambican farmers,... -
Relationship between salivary androstenedione levels, body composition and physical activity levels in young girls
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AJ McKune --- Human Performance Laboratory, Department of Biokinetics, Exercise and Leisure Sciences, KD Du Bose --- Activity Promotion Laboratory, Department of Exercise and Sport Science, United States of AmericaBackground: High androgenic activity in adolescent girls and adult women is associated with adiposity and metabolic disturbances. This study examined the relationship between salivary androstenedione levels, body composition, and physical activity levels in young girls. -
General practitioners' familiarity, attitudes and practices with regard to Attention Deficit Hyperactivity Disorder (ADHD) in children and adults
Item type: Journal Article • Journal: South African Family Practice • Authors: C Louw --- Department of Educational Psychology, Faculty of Education, MM Oswald --- Department of Educational Psychology, Faculty of Education, MD Perold --- Department of Educational Psychology, Faculty of Education,Background: Attention-Deficit Hyperactivity Disorder (ADHD) is a common disorder, affecting 4% to 5% of South African children. Recent studies reveal that 30% to 70% of children continue to experience problems related to ADHD in adulthood. Adults are becoming increasingly aware... -
Prescribing of methylphenidate to children and adolescents in South Africa: A pharmacoepidemiological investigation
Item type: Journal Article • Journal: South African Family Practice • Authors: I Truter --- Drug Utilization Research Unit, Department of Pharmacy, South AfricaBackground: Pharmacoepidemiological studies on ADHD are limited in South Africa. The primary aim was to analyse the prescribing of methylphenidate to patients aged 18 years and younger in the private health care sector. -
Complementary and alternative medicine for attention deficit/hyperactivity disorder: An Eastern Cape study
Item type: Journal Article • Journal: South African Family Practice • Authors: S Snyman --- Department of Pharmacy, South Africa I Truter --- Department of Pharmacy, South Africa -
Lifestyle changes for hypertension
Item type: Journal Article • Journal: South African Family Practice • Authors: V Mungal-Singh --- Heart and Stroke Foundation South Africa, -
Assessment of the physical activity, body mass index and energy intake of HIV-uninfected and HIV-infected women in Mangaung, Free State province
Item type: Journal Article • Journal: South African Family Practice • Authors: Z. Hattingh --- Hotel School, M. Le Roux --- School of Design Technology and Visual Art, M. Nel --- Department of Biostatistics, Faculty of Health Sciences, C. Walsh --- Department of Nutrition and Dietetics, Faculty of Health Sciences,Background: Declining levels of physical activity at workplaces, during leisure time and when travelling, accompanied by increasing exposure to the mass media, are major determinants of the global obesity epidemic. This study aimed to assess physical activity, the body mass... -
Evaluation of a school-based nutrition and physical activity programme for Grade 4 learners in the Western Cape province
Item type: Journal Article • Journal: South African Family Practice • Authors: KL Jacobs --- Head of Division, Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, B Mash --- Head of Division, Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, CE Draper --- University of Cape Town/Medical Research Council Research Unit for Exercise Science and Sports Medicine, J Forbes --- University of Cape Town/Medical Research Council Research Unit for Exercise Science and Sports Medicine, EV Lambert --- University of Cape Town/Medical Research Council Research Unit for Exercise Science and Sports Medicine,Objective: This study aimed to evaluate the effectiveness of the Making the Difference programme (MTDP), an education-and activity-based intervention for Grade 4 learners at primary schools in the Western Cape. -
Relationship between soil alteration index three (AI3), soil organic matter and tree performance in a ‘Cripps Pink’/M7 apple orchard
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: André H Meyer --- Agricultural Research Council–Infruitec-Nietvoorbij, South Africa John Wooldridge --- Agricultural Research Council–Infruitec-Nietvoorbij, South Africa Joanna F Dames --- Department of Biochemistry and Microbiology, South AfricaAlteration index three (AI3), which calculates the balances between three microbially-secreted enzymes, potentially enables differences between soils due to contrasting management practices to be quantified in relative terms. The ability of AI3 to distinguish between apple orchard soils under conventional... -
Status and diurnal activity budget of non-breeding White-headed Ducks Oxyura leucocephala in Algeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nedjwa Meziane --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria Boudjéma Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, AlgeriaIn Algeria, the Globally Endangered White-headed Duck Oxyura leucocephala is resident throughout the year in the coastal wetlands of north-east Algeria and the Hauts Plateaux, where it occupies habitats that range from freshwater ponds and brackish marshes to hypersaline lakes... -
Exploring adult learners’ self-directedness in relation to their employability attributes in open distance learning
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jo-Anne Botha --- Department of Human Resource Management, Melinde Coetzee --- Department of Industrial and Organisational Psychology, Mariette Coetzee --- Department of Human Resource Management,This study investigated the relationship between adult learners’ self-directedness and their perceptions of their employability attributes. A stratified proportional random sample (N = 1 102) was taken of undergraduate adult learners at a South African open distance learning (ODL) higher... -
Activity patterns in southern Kalahari leopards
Item type: Journal Article • Journal: African Zoology • Authors: J. du P. Bothma --- University of Pretoria, South Africa M. D. Bothma --- Geowolf Environmental, South AfricaPreliminary results based on two satellite-tracked adult leopards in the arid, open savanna of the southern Kalahari indicated that most movement occurred at night, with some movement in the daytime to seek shade. -
Sexual disparity in activity patterns and time budgets of angulate tortoises (Chersina angulata) on Dassen Island, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Toby Keswick --- Department of Biodiversity and Conservation Biology, South Africa Brian T. Henen --- Department of Biodiversity and Conservation Biology, South Africa Margaretha D. Hofmeyr --- Department of Biodiversity and Conservation Biology, South AfricaBehavioural frequencies and time budgets for male and female Chersina angulata were recorded in spring, September 2004. The daily activity of the population was 10.51 ± 0.42 h (mean ± CI), but individual males and females were in the open... -
The effects of organic and conventional management practices on feeding activity of soil organisms in vineyards
Item type: Journal Article • Journal: African Zoology • Authors: A. J. Reinecke --- Department of Botany and Zoology, South Africa R. M. C. Albertus --- Department of Botany and Zoology, South Africa S. A. Reinecke --- Department of Botany and Zoology, South Africa O. Larink --- Technical University, GermanyThis study investigated whether the activity of soil organisms in a vineyard soil in the Western Cape, South Africa, was affected differently by different management practices. The influences of organic and conventional treatments were compared in two vineyard blocks, one... -
Mammal and bird road mortalities on the Upington to Twee Rivieren main road in the southern Kalahari, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: K. L. Bullock --- Department of Nature Conservation, South Africa G. Malan --- Department of Nature Conservation, South Africa M. D. Pretorius --- Department of Nature Conservation, South AfricaRoad ecology is becoming an increasingly important aspect of conservation biology. Carcasses lying on the road often confront visitors travelling to the Kgalagadi Transfrontier Park between Upington and the Twee Rivieren Rest Camp. This study investigated the species killed, the... -
Lights out, let’s move about: locomotory activity patterns of Wagner’s gerbil from the desert of Saudi Arabia
Item type: Journal Article • Journal: African Zoology • Authors: A.N. Alagaili --- KSU Mammals Research Chair, Department of Zoology, College of Science, Saudi Arabia O.B. Mohammed --- KSU Mammals Research Chair, Department of Zoology, College of Science, Saudi Arabia N.C. Bennett --- KSU Mammals Research Chair, Department of Zoology, College of Science, Saudi Arabia M.K. Oosthuizen --- Mammal Research Institute, Department of Zoology & Entomology, South AfricaWe investigated the circadian activity rhythm in the little-studied Wagner’s gerbil (Gerbillus dasyurus) from the Raydah Protected Area, southwestern Saudi Arabia. In order to assess whether these animals possess an endogenous rhythm of locomotor activity that entrains to the light:... -
Post-weaning changes in the digestive physiology and caecal fermentative activity in the greater cane rat (Thryonomys swinderianus)
Item type: Journal Article • Journal: African Zoology • Authors: Y.M. Yapi --- National Polytechnic Institute Houphouët-Boigny of Yamoussoukro, Ivory Coast T. Gidenne --- INRA, UMR1289 Tissus Animaux Nutrition Digestion Ecosystème et Métabolisme, France Y. Farizon --- Université de Toulouse INPT ENVT, UMR1289 Tissus Animaux Nutrition Digestion Ecosystème et Métabolisme, France M. Segura --- INRA, UMR1289 Tissus Animaux Nutrition Digestion Ecosystème et Métabolisme, France D. Zongo --- National Polytechnic Institute Houphouët-Boigny of Yamoussoukro, Ivory Coast F. Enjalbert --- Université de Toulouse INPT ENVT, UMR1289 Tissus Animaux Nutrition Digestion Ecosystème et Métabolisme, FranceThe greater cane rat is a recently domesticated monogastric herbivore, and the importance of the caecum in the functioning of its digestive tract has frequently been mentioned. However, no data are available on caecal fermentative activity of this animal and... -
Seasonal and daily activity patterns of leopard tortoises (Stigmochelys pardalis Bell, 1828) on farmland in the Nama-Karoo, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: M. K. McMaster --- School of Life Sciences, University of KwaZulu-Natal, South Africa C. T. Downs --- School of Life Sciences, University of KwaZulu-Natal, South AfricaThe leopard tortoise (Stigmochelys pardalis) is the largest of southern Africa’s 13 tortoise species, and occurs in a variety of habitats from arid and semi-arid areas to mesic grassveld, savanna and bushveld. Seasonal activity patterns of S. pardalis were investigated... -
Habitual physical activity, peripheral neuropathy, foot deformities and lower limb function: characterising prevalence and interlinks in patients with type 2 diabetes mellitus
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AF Adeniyi --- Department of Physiotherapy, Nigeria OS Aiyegbusi --- Department of Physiotherapy, Nigeria OO Ogwumike --- Department of Physiotherapy, Nigeria PO Adejumo --- Department of Nursing, Nigeria AA Fasanmade --- Department of Medicine, NigeriaBackground: Patients with type 2 diabetes mellitus (T2DM) may have diverse foot problems, but how these problems are linked with physical activity is not clear. This study investigated the prevalence of foot problems among patients with T2DM and investigated how... -
HHV-8 transmission from mother to child
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Angela Revelas --- Pathological Department, GreeceTransmission of human herpesvirus 8 (HHV-8), the aetiological agent of Kaposi’s sarcoma, is known to occur during sex among homosexual men. However, other modes of HHV-8 transmission have yet to be elucidated in endemic populations. -
A multi-centre, phase IV study to evaluate the steady-state plasma concentration and serum bactericidal activity of a generic teicoplanin preparation
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Oppel Greeff --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa Jacob van Tonder --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa Duncan Cromarty --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa Warren Lowman --- Department of Clinical Microbiology and Infectious Diseases, School of Pathology, South Africa Piet Becker --- Faculty of Health Sciences, South Africa Margo Nell --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South AfricaIntroduction: Teicoplanin is an effective treatment option against methicillin-resistant, Gram-positive bacteria, like Staphylococcus aureus. It is a glycopeptide antibiotic, produced through microbial fermentation, a process resulting in variations in the N-acyl side chain. Concerns that these variations may affect the... -
Physical activity of children from a small rural town, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: E Minnaar --- Private Practice General Practitioner, South Africa CC Grant --- Section Sports Medicine, South Africa L Fletcher --- Department of Statistics, South AfricaIntroduction: Physical activity plays an integral role in the normal physical, mental, social and cognitive development of children. One of the main reasons for overweight children in low- and middle-income countries like South Africa is inactivity. This study’s aim was... -
Determinants of obesity in an urban township of South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: R Malhotra --- Department of Community and Family Medicine, USA C Hoyo --- Department of Community and Family Medicine, USA T Østbye --- Department of Community and Family Medicine, USA G Hughes --- Departments of Family Medicine and Surgery, Brody School of Medicine, USA D Schwartz --- Department of Community and Family Medicine, USA L Tsolekile --- School of Public Health, South Africa J Zulu --- School of Public Health, South Africa T Puoane --- School of Public Health, South AfricaObjective: To estimate the prevalence of overweight and obesity, and identify factors associated with Body Mass Index (BMI) and waist circumference (WC) among adults residing in an urban township in South Africa. -
Nutrition interventions in the workplace: Evidence of best practice
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Np Steyn --- Knowledge Systems, W. Parker --- Knowledge Systems, Ev Lambert --- Sports Science Institute, Department of Human Biology, Z. Mchiza --- Knowledge Systems,Aim: The aim of this desktop study was to review all workplace interventions having a nutrition component, published in peer-reviewed literature between 1995 and 2006 by WHO, and to document activities that were successful, as well as possible barriers to... -
A review of school nutrition interventions globally as an evidence base for the development of the HealthKick programme in the Western Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Np Steyn --- Knowledge Systems, Ev Lambert --- Sports Science Institute, Department of Human Biology, W. Parker --- Knowledge Systems, Z. Mchiza --- Knowledge Systems, A. De Villiers --- Chronic Diseases of Lifestyle Unit,Aim: The aim of this study was to review all school interventions having a nutrition component, published in peer-reviewed literature between 1995 and 2006, and to document activities that were successful as well as those that were possible barriers in... -
Factors associated with central overweight and obesity in students attending the University for Development Studies in Tamale, Ghana: a cross-sectional study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: V. Mogre --- Department of Human Biology, Ghana S. Aleyira --- Department of Allied Health Sciences, Ghana R. Nyaba --- Department of Allied Health Sciences, GhanaObjectives: This study assessed the prevalence of central overweight and obesity in students of the University for Development Studies in Tamale, Ghana. Lifestyle factors associated with central overweight and obesity were also investigated in this study population. -
Narratives of urban female adolescents in South Africa: dietary and physical activity practices in an obesogenic environment
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mh Sedibe --- MRC/WITS Developmental Pathways for Health Research Unit Department of Paediatrics, Johannesburg Ab Feeley --- MRC/WITS Developmental Pathways for Health Research Unit Department of Paediatrics, Johannesburg C. Voorend --- Faculty of Earth and Life Sciences, The Netherlands Pl. Griffiths --- MRC/WITS Developmental Pathways for Health Research Unit Department of Paediatrics, Johannesburg Cm Doak --- Faculty of Earth and Life Sciences, The Netherlands Sa Norris --- MRC/WITS Developmental Pathways for Health Research Unit Department of Paediatrics, JohannesburgObjectives: The objectives of this study were to investigate the narratives pertaining to dietary and physical activity practices by female adolescents in Soweto. -
Eating, drinking and physical activity in Faculty of Health Science students compared to other students at a South African university
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Gresse --- Nelson Mandela Metropolitan University, L. Steenkamp --- Nelson Mandela Metropolitan University, J. Pietersen --- Nelson Mandela Metropolitan University,Objectives: Students studying towards a qualification in Health Sciences should have more knowledge of a healthy lifestyle than other university students. However, it has been questioned whether or not these students apply such knowledge. While studies have been conducted on... -
Scientometric assessment of selected R&D priority areas in South Africa: A comparison with other BRICS countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Xolani Makhoba --- Institute of Technological Innovation, Graduate School of Technology Management, Pretoria South Africa Anastassios Pouris --- Institute of Technological Innovation, Graduate School of Technology Management, Pretoria South AfricaA scientometric analysis of selected research priority areas in South Africa was done using the Web of Science database for the period 2002–2012. The performance of the country in the areas of biotechnology, energy, astronomy and palaeontology in terms of... -
Early rheumatoid arthritis: focus on RA in the developing world
Item type: Journal Article • Journal: South African Family Practice • Authors: Mahmood MTM Ally --- Faculty of Health Sciences, Department of Internal Medicine, South Africa Pieter WA Meyer --- Faculty of Health Sciences, Department of Immunology, South Africa Ronald Anderson --- Faculty of Health Sciences, Department of Immunology, South AfricaA review was undertaken of pathogenic mechanisms in early rheumatoid arthritis (RA) and strategies for cost-effective management of RA in the developing world. Pitfalls in early disease are explored and the importance of aggressive measurable disease control is emphasised. -
Physical activity and psychosomatic-related health problems as correlates of quality of life among university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stefan Kruger --- Tourism Research in Economic Environs and Society (TREES), Energy Sonono --- ‘Workwell’, South AfricaThis study aimed to investigate the role of psychosomatic problems in the relationship between physical activity and healthrelated quality of life. Participants were a convenience sample of 703 students from a South African university (males = 38.8%, females = 61.2%,... -
Prevalence and behavioural risk factors of light or moderate and heavy cigarette smoking in 32 countries
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Thailand Karl Peltzer --- ASEAN Institute for Health Development, ThailandThe aim of this study was to predict the prevalence of light or moderate and heavy smoking from lifestyle behavioural risk factors among South African adults compared to others from 31 countries around the world. Secondary data from 53 391... -
Daily activity, biometry and diet of the North African ocellated lizard Timon pater in Mount Chélia, north-eastern Algeria
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Messaoud Saoudi --- , , Algeria Abdeldjabar Necer --- , , Algeria Idriss Bouam --- , , Algeria Farouk Khelfaoui --- , , Algeria Oussama Saadi --- , , AlgeriaAlthough Timon pater is among the largest species of lacertids found throughout North Africa, mainly in Morocco, Algeria and Tunisia, studies examining the ecology of this lizard remain rare. In this paper we describe the daily activity patterns, biometry and... -
Do share prices lead economic activity in emerging markets? Evidence from South Africa using Granger-causality tests
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Ayesha Sayed --- Finance Division, School of Economic and Business Sciences, South Africa Christo Auret --- Finance Division, School of Economic and Business Sciences, South Africa Daniel Page --- Finance Division, School of Economic and Business Sciences, South AfricaThe forward-looking characteristic of share prices and their subsequent role as leading indicators of economic activity has been widely documented in advanced economies, with evidence in emerging countries being less prevalent. This paper investigates the information content of share prices... -
Experimental comparison of selected pozzolanic materials
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: K. A. Olonade --- Department of Civil Engineering, Nigeria M. B. Jaji --- Department of Civil Engineering, Nigeria O. A. Adekitan --- Department of Civil Engineering, NigeriaDifferent pozzolanic materials are commonly used in concrete production with different properties. This paper compared the performance of metakaoline (MTK), bamboo leaf ash (BLA), pulverized fly ash (PFA) and corn cob ash (CCA), when used as partial replacement for cement... -
Engineering research profile of countries in the African Union
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Swapan Kumar Patra --- Business School, Tshwane University of Technology, South Africa Mammo Muchie --- DST/NRF SARChI Professor, South AfricaScholarly publication output of engineering research from the member countries of the African Union (AU) are mapped using scholarly publication data from the Scopus® database of Elsevier. The countries are ranked based on various parameters, for example; number of publications,... -
Resilience and suicide ideation: Coping mediator-moderator effects among adolescent learners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ancel George --- Department of Psychology, South Africa Reinier Moolman --- Department of Psychology, South AfricaThe current study aimed to investigate the influence of coping on the relationship between resilience and adolescent suicide ideation among secondary learners in the Free State Province, South Africa (n = 495; female = 61.6%; black = 55%, white =... -
Inventive activity and knowledge flows in the Mediterranean area: A social network analysis based investigation approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Massimiliano Ferrara --- Mediterranean University of Reggio Calabria, Italy Roberto Mavilia --- University for Foreigners ‘Dante Alighieri’, MEDAlics, Via del Torrione 95, Italy Francesca Larosa --- University for Foreigners ‘Dante Alighieri’, MEDAlics, Via del Torrione 95, ItalyThis paper investigates the collaboration of inventive activities at firm level in the Mediterranean area by investigating, through social network analysis, the collaboration between the two shores of Mediterranean area. Using patent data, our aim is to capture some relevant... -
Diurnal activity patterns of Harwood’s Spurfowl Pternistis harwoodi in relation to habitat types and climatic conditions in the Central Highlands of Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abadi Mehari Abrha --- Department of Animal, Rangeland and Wildlife Sciences, Ethiopia Shimelis Aynalem Zelelew --- Department of Fisheries, Ethiopia Habtu Kiros Nigus --- Department of Statistics, Ethiopia Aschalew Alelign --- Department of Animal, Rangeland and Wildlife Sciences, EthiopiaHarwood’s Spurfowl Pternistis harwoodi is an endemic bird of Ethiopia. Globally, it is categorised as Vulnerable. Habitat loss and hunting are the major conservation threats to the species. This study investigated the activity patterns of Harwood’s Spurfowl in relation to... -
Social support-oriented coping and resilience for self-harm protection among adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wilmie van der Wal --- Department of Psychology, South Africa Ancel A. George --- Department of Psychology, South AfricaThe study aimed to investigate the extent to which social support-focused coping and resilience can predict lower risk for self-harm by at-risk adolescents. Participants were 962 high school learners from nine high schools in the Free State Province, South Africa... -
Effects of seasonal variation, group size and sex on the activity budget and diet composition of the addax antelope
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Hicham Seri --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Mohsen Chammem --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Luis MM Ferreira --- CITAB-Centre for the Research and Technology of Agro-Environment and Biological Sciences, Portugal Marwa Kechnebou --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Touhami Khorchani --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Severiano R Silva --- CECAV-Animal Science Department, PortugalBehaviour and diet composition are critical elements in conservation biology within the scope of reintroduction programs. Here we focused on addax (Addax nasomaculatus), a Critically Endangered antelope species, in the Jbil National Park, Tunisia. In this study, we advanced the... -
The relationship between objectively measured physical activity and parameters of disease control in an African population of type 2 diabetes mellitus
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: MA Siddiqui --- Department of Internal Medicine, South Africa S Bhana --- Endocrinology Department, South Africa R Daya --- Endocrinology Department, South AfricaBackground: The incidence of type 2 diabetes mellitus (T2DM) is increasing rapidly. This is possibly due to increasing obesity, reduced level of activity, sedentary lifestyle, ageing population and industrialisation. -
Post-traumatic stress disorder and health risk behaviour among persons 15 years and older in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- HIV/AIDS/STIs and TB (HAST), Human Sciences Research Council, South Africa Supa Pengpid --- Department of Research Innovation and Development, South AfricaThe aim of this study was to investigate the association between post-traumatic stress disorder (PTSD) and health risk behaviours among persons 15 years and older in South Africa. We analysed data from the South African National Health and Nutrition Examination... -
Pozzolanic and hydration properties of kamafugites and carbonatitic lavas as supplementary cementitious materials in Portland cement
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: A. Buregyeya --- School of Civil and Environmental Engineering, South Africa S. Nwaubani --- School of Civil and Environmental Engineering, South Africa W. Schmidt --- BAM Federal Institute for Materials Research and Testing, Germany A. G. Kerali --- Department of Civil and Environmental Engineering, Uganda U. Bagampadde --- Department of Civil and Environmental Engineering, UgandaKamafugites and carbonatites, being materials of volcanic origin with carbonates as their primary minerals, are relatively low in silica and alumina saturation. Their silica and alumina under-saturation is considered a limiting factor in pozzolanic reactivity; however, these materials are currently... -
Correlates of physical activity among adults with anxiety symptoms in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Thailand Karl Peltzer --- Deputy Vice Chancellor Research and Innovation Office, South AfricaThe present study aimed to assess the correlates of low physical activity in adults with anxiety in South Africa. Data from the South African National Health and Nutrition Examination Survey (a cross-sectional survey in 2012) were utilised. The sample included... -
Factors associated with physical activity amongst patients with hypertension in two community health centres in uMgungundlovu health district, KwaZulu-Natal, 2018
Item type: Journal Article • Journal: South African Family Practice • Authors: SW Mbambo --- School of Nursing and Public Health, South Africa B Tlou --- School of Nursing and Public Health, Discipline of Public Health Medicine, South Africa TP Dlungwane --- School of Nursing and Public Health, Discipline of Public Health Medicine, South AfricaBackground: Hypertension (HPT) is a global public health challenge. It predisposes to cardiovascular diseases, kidney diseases and disability as well as contributing to high death rates. HPT is increasing tremendously in sub-Saharan Africa with HPT-related mortality risk having increased by... -
The politics of corporate social responsibility in the mining industry in Burkina Faso
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Rabake Kinba Hermelline M. Nana --- Huddersfield Business School, United Kingdom Eshani Beddewela --- Huddersfield Business School, United KingdomThis paper examines the non-market strategy of a multinational corporation in an institutionally weak country, specifically focusing on its corporate social responsibility. Theoretically, the paper argues that the motives and outcomes of corporate social responsibility could facilitate corporate political activity,... -
Phytochemical profiling and soluble sugars of African ginger (Siphonochilus aethiopicus) from different growing regions in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Salmina N Mokgehle --- Horticultural Science, School of Agricultural, Earth and Environmental Sciences, South Africa Samson Z Tesfay --- Horticultural Science, School of Agricultural, Earth and Environmental Sciences, South Africa Manaka J Makgato --- Agricultural Research Council–Vegetable and Ornamental Plants, South Africa Hintsa T Araya --- Agricultural Research Council–Vegetable and Ornamental Plants, South AfricaAfrican ginger (Siphonochilus aethiopicus) is distributed in different regions of South Africa and contains bioactive constituents that provide health benefits. However, there is limited information describing the phytochemical and soluble sugars in different parts of the plant from different regions... -
A review of adolescent nutrition in South Africa: transforming adolescent lives through nutrition initiative
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Stephanie V Wrottesley --- , South Africa Titilola M Pedro --- , South Africa Caroline H Fall --- , UK Shane A Norris --- , South AfricaObjective: In South Africa, urbanisation is associated with substantial burdens of adolescent overweight and obesity, making teenagers vulnerable to longer-term non-communicable diseases. In addition, as potential future parents, the nutritional status of adolescents is increasingly recognised as a key driver... -
Validation of the ADHD-Behaviour Rating Scale for early childhood teacher use in South African classrooms
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Celeste Combrinck --- , South Africa Hannelie du Preez --- , South AfricaWe tested the construct validity of scores from the Attention Deficit Hyperactivity Disorder Behaviour-Rating Scale (ADHD-BRS) within South African early childhood classrooms in three of the eleven official languages, English, Afrikaans, and isiXhosa. In-service teachers (n = 109) from 112... -
Population and breeding patterns of the pest rodent: Mastomys natalensis in a maize dominated agroecosystem in Lake Victoria crescent zone, Eastern Uganda
Item type: Journal Article • Journal: African Zoology • Authors: Alex Mayamba --- , Uganda Robert Modest Byamungu --- , Tanzania Herwig Leirs --- , Belgium Isabirye Moses --- , Uganda Rhodes H Makundi --- , Tanzania Didas N Kimaro --- , Tanzania Apia W Massawe --- , Tanzania David Kifumba --- , Uganda Alice Nakiyemba --- , Uganda Mshaka E Mdangi --- , Tanzania Brian E Isabirye --- , Kenya Loth S Mulungu --- , TanzaniaMultimammate mice (Mastomys natalensis) are a key rodent pest species to cereal crop production in Sub-Saharan Africa. This study aimed at generating information on the population fluctuation and breeding patterns of M. natalensis in a maize dominated agro-ecosystem in the... -
Concurrent low-carbohydrate, high-fat diet with/without physical activity does not improve glycaemic control in type 2 diabetics
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Gerrit J Breukelman --- , South Africa Albertus K Basson --- , South Africa Trayana G Djarova --- , South Africa Cornelia J Du Preez --- , South Africa Ina Shaw --- , South Africa Heidi Malan --- , South Africa Brandon S Shaw --- , South Africa -
Effects of biostimulants on tissue and rhizospheric acid phosphatase activity of chickpea genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Rebahlotse Mapula Moloto --- , South Africa Felix D Dakora --- , South Africa Puffy Soundy --- , South Africa Sipho Thulane Maseko --- , South AfricaAlthough the application of biostimulants to soils and plants affects their phosphatase activity, this has not been shown in chickpea (Cicer arietinum L.) grown under South African conditions. In this study, chickpea genotypes were grown in silty-loam and silty-clay-loam soils... -
Be active: a food-based dietary guideline for elderly South Africans
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sanjoy Saha --- , United States Wilna Oldewage-Theron --- , United States Carin Napier --- , South AfricaThe goal of this paper is to support the ‘Be active!’ food-based dietary guideline (FBDG) for South Africans of seven years and older by means of a technical guideline regarding physical activity (PA) specifically for the elderly. Optimal nutrition and... -
Internalised HIV-related stigma associated with physical inactivity in people with HIV and AIDS: A cross-sectional study from Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Davy Vancampfort --- , Belgium Peter Byansi --- , Uganda Eugene Kinyanda --- , Uganda Richard Serunkuma Bbosa --- , Uganda James Mugisha --- , UgandaAim: The aim of the current study was to explore correlations between continuous physical activity (PA) levels and HIV-related stigma and differences in HIV-related stigma between those who meet versus those who do not meet the international PA recommendation of... -
Distribution, ecology, and conservation of Philochortus zolii in Mauritania: implications for the long-term persistence of an endangered lizard
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Marisa Naia --- , Portugal Andack S Sow --- , Mauritania João Campos --- , Portugal Zeine El Abidine Sidatt --- , Mauritania José C Brito --- , PortugalPhilochortus zolii is a globally endangered lizard known only from five localities scattered across North Africa. The population is thought to be decreasing, but there are almost no data about this Sahara-Sahel endemic lizard. Recently, a sixth population was found... -
The spatial ecology of black-backed jackals (Canis mesomelas) in a protected mountainous grassland area
Item type: Journal Article • Journal: African Zoology • Authors: Alexander Edward Botha --- , South Africa Angela Caren Bruns --- , South Africa Aliza le Roux --- , South AfricaAn animal’s ability to traverse a landscape and utilise available resources is vital for its survival. The movement patterns of an animal provide insight into space use, activity patterns and ecological requirements that are imperative for successful farming and wildlife... -
Do lifestyle choices influence the development of overweight and obesity in the South African Air Force, Bloemfontein?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Carina Haasbroek --- , South Africa Ronette Lategan-Potgieter --- , United States Cornel van Rooyen --- , South Africa Marizeth Jordaan --- , South Africa -
Psychosocial well-being of child orphans: The influence of current living place
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Beneyam Lake Yimer --- , EthiopiaWhen children lose one or both their parents/care givers, they may present with profound and lifelong psychosocial well-being problems. This study aimed to examine the association between current living place and the psychosocial well-being of child orphans. A proportional stratified... -
The physical activity levels among people living with human immunodeficiency virus/acquired immunodeficiency syndrome receiving high active antiretroviral therapy in Rwanda
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: J.M. Frantz --- , South Africa A. Murenzi --- , South AfricaThe accessibility of high active antiretroviral therapy (HAART) for local human immunodeficiency virus (HIV) patients is improving in Rwanda. It is well known that this therapy is associated with serious adverse effects, such as metabolic and morphologic changes. One of... -
The reliability of the modified lower extremity functional scale among adults living with HIV on antiretroviral therapy, in Rwanda, Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: D.K. Tumusiime --- , , Rwanda A. Stewart --- , , South Africa F.W.D. Venter --- , , South Africa E. Musenge --- , , South AfricaPeripheral neuropathy (PN) is common among people living with HIV (PLHIV) on antiretroviral therapy (ART), and affects their daily functional ability and quality of life. Lower extremity functional ability, which is most commonly compromised in patients with PN, has not... -
Trends in HIV risk behaviour of incoming first-year students at a South African university: 2007–2012
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Rénette J. Blignaut --- , , South Africa Joachim Jacobs --- , South Africa Tania Vergnani --- , South AfricaThe aim of the research on which this article is based was to understand the behavioural changes of the target student population over time to ensure that future prevention programmes are more effective in changing behaviour. This study reports on... -
Diel activity patterns in a captive colony of rinkhals, Hemachatus haemachatus
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: GrahamJ. Alexander --- University of the Witwatersrand, South Africa CatherineL. Marshall --- University of the Witwatersrand, South Africa -
Activity area, movement patterns, and habitat use of the desert monitor, varanus griseus, in the zaranik protected area, north Sinai, Egypt
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: AdelA. Ibrahim --- Faculty of Education at Al‐Arish, EgyptA radio telemetry study of the desert monitor, Varanus griseus was conducted from July 1997 to June 1998 in the Zaranik Protected Area, North Sinai, Egypt. Five monitor lizards (SVL range 302 ‐ 360 mm) were equipped with SI‐2T temperature... -
Spawning and non-breeding activity of adult giant bullfrogs (Pyxicephalus adspersus)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: CarolineA. Yetman --- University of Pretoria, South Africa J. Willem H. Ferguson --- University of Pretoria, South AfricaPopulations of the giant bullfrog (Pyxicephalus adspersus) have been poorly monitored due to the unpredictable appearance of this species aboveground. To better understand the activity of P. adspersus we quantified spawning by a population during five summers, and the activity... -
The relationships between socioeconomic status, dietary knowledge and patterns, and physical activity with adiposity in urban South African women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Gudani Mukoma --- University of the Witwatersrand, South Africa Stephanie V Wrottesley --- University of the Witwatersrand, South Africa Juliana Kagura --- University of the Witwatersrand, South Africa Tolu Oni --- University of Cambridge, United Kingdom Lisa Micklesfield --- University of the Witwatersrand, South Africa Shane A Norris --- University of the Witwatersrand, South Africa -
Mapping fine-scale demersal trawl effort for application in ecosystem assessment and spatial planning
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JC Currie --- South African National Biodiversity Institute (SANBI), South Africa LR Harris --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa LJ Atkinson --- South African Environmental Observation Network (SAEON), South Africa TP Fairweather --- Fisheries and the Environment (DFFE), South Africa KJ Sink --- South African National Biodiversity Institute (SANBI), South AfricaFine-scale maps of fishing activity are valuable information layers for fisheries management, assessments of biodiversity impacts and marine spatial planning. Our aim was to develop an accurate map of demersal trawling intensity in South Africa and to demonstrate its utility... -
Primary caregivers’ perspectives of the disruptive behaviour of their children attending Weskoppies Psychiatric Hospital, South Africa
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Lanél Maré --- University of Pretoria, South Africa Werdie van Staden --- University of Pretoria, South Africa Junaid Hassim --- University of Pretoria, South AfricaWhile practitioners might engage caregivers on their understandings of the disruptive behavioural disorders of their children, their perspectives are yet to be examined in a qualitative study. This study explored perspectives of primary caregivers on the disruptive behaviour of children... -
Associations between nutrition knowledge and obesity-related attitudes and physical activity among young adults from Kenya, South Africa, and the United Kingdom
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Siphiwe N Dlamini --- University of the Witwatersrand, South Africa Asanda Mtintsilana --- University of the Witwatersrand, South Africa Witness Mapanga --- University of the Witwatersrand, South Africa Ashleigh Craig --- University of the Witwatersrand, South Africa Shane A Norris --- University of the Witwatersrand, South Africa -
Associations between mild depression and anxiety and physical inactivity among school-going Ugandan adolescents aged 14 to 17 years
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: James Mugisha --- Kyambogo University, Uganda Tine Van Damme --- , Belgium Davy Vancampfort --- , BelgiumObjective: The aim of this cross-sectional study was to investigate associations between physical activity levels and emotional and behavioural problems in school-going adolescents aged 14 to 17 years in Uganda. -
How perspective taking influences obesity stereotypes: The mediating effect of intergroup contact
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yunlong Wu --- Inner Mongolia Normal University, China Yuzhu Zhang --- Hulunbuir University, ChinaObesity is stigmatised and associated with adverse health, psychological, and social consequences. This study examined contact influences on the relationship between perspective taking and obesity stereotypes in young adults. The sample comprised 411 Chinese university students (female = 73.97%; mean... -
Play therapy efficacy in ADHD-symptom reduction as measured by the Test of Variables of Attention (TOVA)
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Susi Rutmalem Bangun --- , Indonesia Bayu Soenarsana Putra --- , Indonesia Wahyu Tri Atmojo --- , Indonesia Ery Surya Sevriana --- , Indonesia Yumna Nur Millati Hanifa --- , Indonesia Rayi Citra Ayu Pangestuti --- , IndonesiaObjective: We aimed to investigate the effect of play therapy combined with the standard psychotropic medication treatment, compared to only standard psychotropic medication treatment in ADHD children as measured by the test of variables of attention (TOVA). -
The impact of printing industry effluent on the growth and antioxidant response of the freshwater green microalga Chlorella sorokiniana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: IY Okpanachi --- Nigerian Army University Biu, Nigeria U Aminu --- Ahmadu Bello University, Nigeria AO Jolaoso --- University of Lagos, Nigeria WN Yusufu --- Ahmadu Bello University, Nigeria E Abdulmalik --- Ahmadu Bello University, Nigeria MA Chia --- Ahmadu Bello University, NigeriaContamination of aquatic ecosystems with printing industry wastewater is a serious concern because of the toxicity associated with the effluent components and a tendency to create cascading ecological effects. The influence of printing-press effluent on the freshwater microalga Chlorella sorokiniana... -
Sexual behaviour among Kenyan adolescents enrolled in an efficacy trial of a smartphone game to prevent HIV: a cross-sectional analysis of baseline data
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Victor Mudhune --- Kenya Medical Research Institute, Kenya Kate Winskell --- Emory University, USA Robert A. Bednarczyk --- Emory University, USA Ken Ondenge --- Kenya Medical Research Institute, Kenya Calvin Mbeda --- Kenya Medical Research Institute, Kenya Emily Kerubo --- Kenya Medical Research Institute, Kenya Richard Ndivo --- Kenya Medical Research Institute, Kenya Judith Arego --- Kenya Medical Research Institute, Kenya Marissa Morales --- Emory University, USA Brianna Halliburton --- Emory University, USA Gaëlle Sabben --- Emory University, USASexual behaviour of adolescents is contextual, with various determinants affecting sexual activity and age of sexual debut. Insight into sexual activity among young adolescents has the potential to influence appropriate sexual and reproductive health interventions. For this analysis, adolescents were... -
Trends and psychosocial factors associated with health-risk behaviours among university students in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marizanne Lu-Visser --- Asia University, Taiwan Laurencia Sylvano --- Asia University, Taiwan Earl Francis Infante Mallari --- Asia University, Taiwan Karl Peltzer --- Asia University, TaiwanSignificant urbanisation and increased tertiary enrolment shifted lifestyle and health behaviours among young adults in South Africa. Therefore, we investigated the trends and psychosocial determinants associated with health-risk behaviours among university students in South Africa. Cross-sectional survey data collected during... -
Evaluation of antibacterial and antioxidant potentials of epidermal mucus of Clarias batrachus L. from freshwater bodies of India and its biochemical characterisation
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MR Patel --- Veer Narmad South Gujarat University, India JK Barot --- Veer Narmad South Gujarat University, IndiaThe epidermal mucus of fish serves as a vital line of defence against pathogens and oxidative stressors in aquatic environments. In this study, we evaluated the antibacterial and antioxidant properties of the epidermal mucus of Clarias batrachus L., commonly known... -
Impact of land use changes on soil physical quality in southeastern Tigray, Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Araya Kahsay --- Adigrat University, Ethiopia Mitiku Haile --- Mekelle University, Ethiopia Girmay Gebresamuel --- Mekelle University, Ethiopia Muktar Mohammed --- Oda-Bultum University, EthiopiaThis study evaluates the effects of land use changes on soil physical quality in southeastern Tigray, northern Ethiopia, using the visual evaluation of soil structure (VESS) method. Soil samples were collected from cropland, grassland, and shrubland sites during two field... -
Lifestyle patterns and dietary habits of patients living with type 2 diabetes mellitus attending primary healthcare facilities in Limpopo province, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mosibudi Welhemina Maboya --- Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa, Lufuno Razwiedani --- Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa, Thembi Violet Simbeni --- Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa, Lindiwe Priscilla Cele --- Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa, Ntlogeleng Mabina Mogale --- Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa, -
Coping skills and smartphone addiction in adolescents with ADHD: A predictive model and relationship
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Tayfun Kara --- Alanya Alaaddin Keykubat University, Turkey Orhan Kocaman --- Alanya Alaaddin Keykubat University, Turkey Pınar Aydoğan Avşar --- Alanya Alaaddin Keykubat University, Turkey Tacettin Kuru --- Alanya Training and Research Hospital, TurkeyBackground: We sought to examine the relationship between smartphone addiction and coping skills in adolescents diagnosed with attention-deficit/hyperactivity disorder (ADHD), together with potential predictive factors. -
3. “Be active!” Revisiting the South African food-based dietary guideline for activity
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Botha CR --- Centre of Excellence for Nutrition, North-West University, Wright HH --- Centre of Excellence for Nutrition, North-West University, Moss SJ --- Physical Activity, Sport and Recreation, North-West University, Kolbe-Alexander TL --- UCT/MRC Exercise Science and Sports Medicine Research Unit Faculty of Health Sciences, University of Cape Town,The objective of this paper was to review current evidence on physical activity for health in order to support the food-based dietary guideline (FBDG) “Be active!”. Physical activity, defined as at least 30 minutes of moderate-intensity physical activity per day... -
Longitudinal associations between lifestyle changes during the COVID-19 pandemic and distress among children and adolescents in Montréal
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Adrien Saucier --- Centre for Public Health Research, University of Montreal, Canada Katia Charland --- Centre for Public Health Research, University of Montreal, Canada Britt McKinnon --- Centre for Public Health Research, University of Montreal, Canada Florence Dupont --- Centre for Public Health Research, University of Montreal, Canada Isabelle Laurin --- University of Montreal, Canada Cat Tuong Nguyen --- University of Montreal, Canada Laura Pierce --- Centre for Public Health Research, University of Montreal, Canada Margot Barbosa Da Torre --- Centre for Public Health Research, University of Montreal, Canada Islem Cheriet --- Centre for Public Health Research, University of Montreal, Canada Caroline Quach --- University of Montreal, Canada Kate Zinszer --- Centre for Public Health Research, University of Montreal, CanadaBackground: COVID-19 mitigation measures disrupted many youths’ lives. The burden that pandemic changes induced on children and adolescent’s mental health requires further research. -
Physical activity and exercise for older people living with HIV – the perceptions of health care professionals
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Levin Chetty --- University of KwaZulu-Natal, South Africa Saul Cobbing --- University of KwaZulu-Natal, South Africa Verusia Chetty --- University of KwaZulu-Natal, South AfricaAs people age with HIV, the prescription of physical activity should be included as part of their comprehensive medical management. The higher prevalence of comorbidities, polypharmacy, drug interactions and end-stage complications in this specific population requires a multidisciplinary health care...
