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Towards a method of assessing the veld condition of the valley bushveld in the Eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G C Stuart‐Hill --- Department of Agriculture and Water Supply (Eastern Cape Region), A J Aucamp --- Department of Agriculture and Water Supply (Eastern Cape Region), C J G Le Roux --- Department of Agriculture and Water Supply (Eastern Cape Region), W R Teague --- Department of Agriculture and Water Supply (Eastern Cape Region),Currently, no technique is available for assessing the condition of Valley Bushveld in the Eastern Cape. The objective of this investigation was to develop a method of scoring bushveld according to its productive condition. It was established, through principal component... -
A computer model to predict the structure, performance and feed requirements of a beef herd
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.R. Klug --- Department of Grassland Science,Two computer models of beef enterprises are explained. STOCKFLOW generates monthly herd structures based on 13 animal groups, each comprising animals with similar feed requirements, while FEEDNEED computes the feed requirements of each group. These models use the VISICALC program... -
Veldtoestand en neiging in Kalahari‐duineveld onder ‘n ekstensiewe veeboerderystelsel
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.H. Fourie --- Departement van Landbou (Vrystaatstreek), N.J. de Wet --- Departement van Landbou (Vrystaatstreek), J.J. Page --- ,Plantopnames is gedurende 1970 tot 1985 in die Kalahari‐duineveld (Acocks, 1975; Veldtipe no. 16a4) op die proefboerdery‐eenheid Massakloutjie in Noordwes‐Kaapland onderneem. Reënval het gedurende die proefperiode gewissel tussen 111 mm (1982–83) en 593 mm (1973–74). Die totale basale plantebedekking het... -
A consideration of veld condition assessment techniques for commercial livestock production in South Africa
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N.M. Tainton --- Department of Grassland Science,A number of procedures have been developed for the evaluation of veld condition in a variety of vegetation types in South Africa. These include both agronomic and ecologically based methods, about which there still remain a great deal of controversy... -
An evaluation of the economic viability of commercial pastoralism in the smaldeel area of the Eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture and Water Supply (Eastern Cape Region), J.B. Marais --- Department of Agriculture and Water Supply (Eastern Cape Region),Carrying capacity models and financial data from study group farmers were used to derive attainable net revenue per ha on veld in good, moderate and poor condition. From these data, minimum farm sizes required for a reasonable standard of living... -
Die invloed van brand en maai op onbeweide langgrasveld in Natal
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.J.G. leRoux --- Departcment Landbou, Republiek van Suid‐AfrikaThe effect of burning and mowing on ungrazed tall grassveld of Natal. The trial was conducted on the Estcourt Research Station to show the effect of 14 burning and mowing treatments without grazing in the tall grassveld of Natal. The... -
Some effects of termitaria on veld in the eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: T.D. Steinke --- Department of Botany, Republic of South Africa L.O. Nel --- Department of Agriculture (Eastern Cape Region), Republic of South AfricaA survey was conducted to determine some effects of termite mounds on the veld. Termitaria were found to occupy approximately 0,4% of the area of the paddock under investigation. Growth of grasses immediately surrounding intact termitaria increased as shown by... -
How economic are the farming units of Leliefontein, Namaqualand?
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: FionaM. Archer --- Department of Botany, Republic of South Africa M.T. Hoffman --- Department of Botany, Republic of South Africa J.E. Danckwerts --- Department of Agriculture (Eastern Cape Region), Republic of South AfricaNomadic pastoralism has been practised in Leliefontein for centuries. In 1984, the area was formally divided into 47 so‐called ‘economic units’ on the assumption that this agricultural approach would (a) promote development in the region and (b) introduce conservation management... -
Inter‐related floristic changes associated with different long‐term grazing treatments in Sourish Mixed Bushveld1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Department of Plant Production, Republic of South Africa N.F.G. Rethman --- Department of Plant Production, Republic of South AfricaEight camps, grazed annually during different seasons by steers, were surveyed. Herbaceous species were grouped into Decreaser and Increaser categories according to their reaction to grazing. The Increaser IIa (light overgrazing) and IIb (moderate overgrazing) herbaceous species were the most... -
Residual effects of lupins in two lupin/maize fodder production systems
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.L. Grobbelaar --- , Republic of South Africa V.D. Wassermann --- , Republic of South Africa B.E. Eisenberg --- , Republic of South AfricaThe residual effects of three lupin species, whose tops were either removed or ploughed in, on a following maize crop were compared with the response of maize, not preceded by lupins, to N fertilizer in field trials over two seasons... -
A multivariate approach to a specific problem of grouping maize cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MarieF. Smith --- , Republic of South AfricaThe use of multivariate techniques in the analysis of multivariate problems is illustrated by comparing the results of univariate and multivariate techniques applied to the problem of establishing the nutritional requirements of, and the acid tolerance differences between maize cultivars... -
Concentration, accumulation and uptake rate of Cu, Fe, Mn and Zn by wheat under irrigation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.C. du Preez --- Department of Soil Science, Republic of South Africa A. T.P. Bennie --- Department of Soil Science, Republic of South AfricaThe objective of this study was to obtain information on the Cu, Fe, Mn and Zn uptake patterns of wheat (Triticum aestivum L.) grown under normal irrigation farming conditions. Except for irrigation scheduling, the 13 farmers on whose farms the... -
Evaluering en kalibrering van CERES-Maize: 3. Rywydtes in die westelike Hoëveld
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.S. du Toit --- , Republiek van Suid-Afrika J. Booysen --- Departement Plantkunde, Republiek van Suid-Afrika J.J. Human --- Departement Agronomie, Republiek van Suid-AfrikaIn die westelike-Hoëveld waar reënval die mees beperkende hulpbron is, is lae plantpopulasie en wye rye erkende produksiepraktyke vir mielies. Die praktyke verskil beduidend van die praktyke waaronder CERES- Maize ontwikkel is. Ten einde CERES-Maize te evalueer ten opsigte van... -
Multivariate assessment of environmental effects on hard red winter wheat. I. Principal-components analysis of yield and bread-making characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D. van Lili --- Small Grain Centre, Republic of South Africa J.L. Purchase --- Small Grain Centre, Republic of South Africa MarieF. Smith --- , Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa O.T. de Villiers --- Department of Agronomy and Pastures, Republic of South AfricaThe attributes of yield and bread-making quality of winter wheats produced in the Free State are subject to environmental effects. The result is a supply to the baking industry of flour of inconsistent quality, which in turn is detrimental to... -
Evaluation of an undisturbed-soil incubation method as an index of soil nitrogen availability in a limed and non-limed soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.J. Raath --- , Republic of South Africa D. Saayman --- Department of Soil and Agricultural Water Science, Republic of South AfricaNitrogen mineralization potentials were determined using an undisturbed-soil incubation procedure. The purpose of this study was to evaluate the above-mentioned method as an index of soil nitrogen availability. Undisturbed soil samples (0–150 and 150–300 mm) of a limed (pH 7.3)... -
Measurement of radiant interception of crop canopies with the LAI-2000 plant canopy analyzer
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N.Z. Jovanovic --- Department of Plant Production and Soil Science, Republic of South Africa J.G. Annandale --- Department of Plant Production and Soil Science, Republic of South AfricaThe performance of the plant canopy analyzer (PCA), model LAI-2000 (LI-COR, Lincoln, NE, USA), has been tested in two separate field trials for 18 annual crop and pasture species. The objective was to recommend appropriate techniques for reliable estimates of... -
Long and short term effects of tillage systems on grain yield, the incidence of diseases and production costs for maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.F. Lawrance --- , Republic of South Africa M.A. Prinsloo --- , Republic of South Africa W. A.J. Berry --- , Republic of South AfricaThe effect of four tillage systems on grain yield of maize, incidence of diseases and production costs was investigated for a Hutton soil in the Natal Midlands from 1982 to 1995. The four tillage systems were no-till (NT), reduced tillage... -
Effect of zinc carrier on mobilisation of foliar-applied zinc above and below the point of application in ‘Kakamas’ peach seedlings
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. Wooldridge --- , Republic of South Africa C. Schutte --- , Republic of South AfricaIn a pot trial using coarse sand as a potting medium and modified (low zinc) Hoagland solution as a nutrient source, single mid-shoot leaves of mildly zinc deficient ‘Kakamas’ peach seedlings were periodically dipped into aqueous solutions, prepared at 20... -
Effect of early-season zinc sprays on ‘Golden Delicious’ apple
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. Wooldridge --- , Republic of South Africa C. Schutte --- , Republic of South AfricaA factorial field trial was carried out in a ‘Golden Delicious’ apple orchard in the Elgin area to test the hypothesis that early- season zinc (Zn) sprays exacerbate russet, and to determine the stage of development at which Zn sprays... -
Calibration and validation of the SWB irrigation scheduling model for soybean [Glycine max. (L.) Merr., indeterminate cv. Wayne]
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N.Z. Jovanovic --- Department of Plant Production and Soil Science, South Africa J.G. Annandale --- Department of Plant Production and Soil Science, South Africa A. T.P. Bennie --- Department of Soil Science, South AfricaSoil Water Balance (SWB) is a mechanistic, irrigation scheduling, generic crop model including a database of crop specific growth parameters. The objective of this study was to calibrate and validate this model for soybean [Glycine max. (L.) Merr., indeterminate cv... -
Diversity analysis in Ethiopian and some exotic collections of linseed
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. Adugna --- Department of Plant Sciences, South Africa M.T. Labuschagne --- Department of Plant Sciences, South AfricaSixty linseed accessions predominantly from Ethiopia were evaluated for 11 characters in a randomised complete block design with three replications under glasshouse conditions at the UFS, during 2000 and 2001. The major objectives were to assess the diversity of the... -
Chemical control of Nysius natalensis Evans (Hemiptera: Orsillidae), a pest of sunflower in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H. du Plessis --- , South Africa M.J. Byrne --- Ecophysiological Studies Research Group, South Africa J. van den Berg --- School of Environmental Sciences and Development, South AfricaNo insecticide is currently registered for Nysius natalensis Evans (Hemiptera: Orsillidae), control on sunflower [Helianthus annuus L. (Asteraceae)]. Field as well as laboratory trials were conducted to evaluate efficacy of insecticides for N. natalensis control. During budding prior to anthesis,... -
Changes in inorganic phosphorus following incubation of some Zambian soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K. Kumoyo --- Department of Soil Science, Zambia O.A. Yerokun --- Department of Soil Science, Zambia M.I. Damaseke --- , ZambiaPhosphorus (P) deficiency is a major problem of many Zambian soils and annual applications of the recommended 60 kg P2O5 ha−1 (26 kg−1 ha−1) do not seem to reverse this trend. In order to better understand the dynamics of P... -
Retention of applied phosphorus by the benchmark soils of Lesotho and quantification of their phosphorus retention indices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.F. Molete --- Department of Soil, Crop and Climate Sciences, South Africa C.C. du Preez --- Department of Soil, Crop and Climate Sciences, South Africa M.V. Marake --- Faculty of Agriculture, LesothoThis study was conducted with the objective of determining and quantifying the capacity of Lesotho's benchmark soils to retain applied P. The soils were incubated with a range of P levels for a period of 42 days, whereafter P retention... -
Host suitability of South African and foreign soybean cultivars to Meloidogyne incognita race 2
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H. Fourie --- , South Africa A.H. McDonald --- , South Africa D. De Waele --- laboratory of Tropical and Crop Improvement, BelgiumEighty-five local and foreign soybean (Glycine max (L.) Merr.) genotypes, including cultivars and breeding lines, were evaluated for host suitability to Meloidogyne incognita race 2 in two separate greenhouse experiments. In vivo reared M. incognita race 2 second-stage juveniles (J2)... -
Relations between phosphorus retention parameters and some other properties of benchmark soils in Lesotho
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.F. Molete --- Department of Soil, Crop and Climate Sciences, South Africa C.C. du Preez --- Department of Soil, Crop and Climate Sciences, South Africa M.V. Marake --- , LesothoThe benchmark soils of Lesotho are characterized by high P retention and this aspect should be accommodated in fertilization programmes. This together with long procedures for determination of P retention parameters and a lack of information on the relations between... -
Application of Partial Least Squares regression to relate tastiness of boiled potatoes to chemical and physical tests
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Marie F. Smith --- , South Africa Christine S. Leighton --- , South Africa Liesl Morey --- , South Africa Hettie C. Schönfeldt --- , South AfricaPartial Least Squares regression (PLS) was used to understand the relationship between 15 sensory attributes of potatoes boiled in their skins as dependent variables (Y), and six objective (chemical and physical) measurements as the independent variables (X). The ARC-Sensory Analysis... -
Relationships between soil buffer capacity and selected soil properties in a resource-poor farming area in the Mpumalanga Province of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.G. Jansen van Rensburg --- Department of Plant Production and Soil Science, South Africa A.S. Claassens --- Department of Plant Production and Soil Science, South Africa D.J. Beukes --- , South AfricaIn this study, the soil buffer capacity (soil BC) was measured for 80 topsoil samples of the most dominant soil forms in a small-scale farming area. Soils used in the study ranged from weakly to strongly buffered, with soil BC... -
Anew optimum value for zinc in the main maize producing sandy soils of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. Van Biljon --- , Republic of South Africa C.A. Wright --- , Republic of South Africa D.S. Fouche --- , Republic of South Africa A.D.P. Botha --- , Republic of South AfricaSouth African farmers commenced applying zinc (Zn) during the 1960s at a rate of approximately 2 kg Zn ha−1. Although good yields were produced and Zn levels increased in South African maize fields, a recent survey revealed that maize meal... -
Phytochemical content, antioxidant capacity and physicochemical properties of pomegranate grown in different microclimates in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Asanda Mditshwa --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa OlaniyiA Fawole --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa Fahad Al-Said --- Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultanate of Oman Rashid Al-Yahyai --- Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultanate of Oman UmezuruikeL Opara --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South AfricaWe investigated the antioxidant and physicochemical properties of pomegranate (Punica granatum cv. Bhagwa) fruit grown in three microclimates in South Africa. The physicochemical properties of fruit peel and arils differed among the growing locations, including weight and redness color of... -
Principal agronomic and seed oil traits in the industrial oil crop vernonia (Centrapalus pauciflorus var. ethiopica)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Hussein A Shimelis --- School of Agricultural, Environmental and Earth Sciences, African Centre for Crop Improvement, South Africa Phatu W Mashela --- Department of Soil Science, Plant Production and Agricultural Engineering, South Africa Arno Hugo --- Department of Microbial, Biochemical and Food Biotechnology, South AfricaVernonia (Centrapalus pauciflorus) is potentially a new crop that could offer naturally epoxidised industrial oil. The objective of this study was to apply principal component analyses on agronomic traits, seed oil and fatty acid compositions in vernonia to identify the... -
Identification and classification of vertical chlorophyll patterns in the Benguela upwelling system and Angola-Benguela front using an artificial neural network
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: N. F. Silulwane A. J. Richardson F. A. Shillington B. A. Mitchell-InnesInformation on the vertical chlorophyll structure in the ocean is important for estimating integrated chlorophyll a and primary production from satellite. For this study, vertical chlorophyll profiles from the Benguela upwelling system and the Angola-Benguela front were collected in winter... -
How can Human Beings Transgress their Biologically Based Views?
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Michael Vlerick --- Department of philosophy, South-AfricaEmpirical evidence from developmental psychology and anthropology points out that the human mind is predisposed to conceptualize the world in particular, species-specific ways. These cognitive predispositions lead to universal human commonsense views, often referred to as folk theories. Nevertheless, humans... -
AN EXPERIMENTAL EVALUATION OF THE INFLUENCE OF TEMPERATURE ON THE NATURAL RATE OF INCREASE OF DAPHNIA PULEX DE GEER
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.G. van As --- Department of Zoology, South Africa C. Comhrinck --- Department of Zoology, South Africa A.J. Reinecke --- Department of Zoology, South AfricaCohorts of Daphnia pulex from Boskop Dam, an irrigation reservoir near Potchefstroom, Transvaal, were kept at natural food levels under constant temperatures of 10, 15 and 20°C as well as under conditions of temperature with a diurnal fluctuation varying between... -
Overwintering beef animals on kikuyu (Pennisetum clandestinum) — its effect on animal performance and soil fertility
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WD Gertenbach N Miles IB StewartA large proportion of the nutrients ingested by grazing animals are returned to the pasture in dung and urine. These by-products of animal digestion contain many ingredients necessary for plant growth, including nitrogen (N), phosphorus (P) and potassium (K). Disadvantages... -
Diet selection of goats in the communally grazed Richtersveld National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: HH Hendricks PA Novellie WJ Bond JJ MidgleyThe study provided an account of the diet selection of goats within the Richtersveld National Park and focused on (a) diet composition, (b) plant growth-forms, (c) principal and preferred food plants. The conservation status of these food plants was also... -
Habitat factors influencing the distribution of Cymbopogon validus in Mkambati game reserve, Transkei
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: SheonaE. Shackleton --- Department of Botany, Republic of South Africa C.M. Shackleton --- Department of Botany, Republic of South AfricaThe factors influencing the distribution of Cymbopogon validus in Mkambati Game Reserve were investigated using multivariate techniques. C. validus was found to be present on nutrient‐rich, clay soils and absent from dystrophic, sandy soils. This could account for the patchy... -
Provincial road condition and round wood timber transport in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: StephenJ. Nicholls ReinoE. Pulkki PierreA. AckermanThe context of the study is the concern over declining provincial road conditions due to insufficient government funding for road maintenance. The roads are used by a wide variety of commercial and private interests that contribute a broad range of... -
A comparison of different planting methods, including hydrogels, and their effect on eucalypt survival and initial growth in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: PaulW.M. Viero KeithM. LittleResearch to minimize mortality and enhance early growth during the re-establishment of eucalypts includes the use of optimum growing stock and planting techniques, the application of adequate volumes of water at planting (where appropriate), correct fertilizer application and placement, and... -
Relationships between growth, mineral nutrition and site factors for Eucalyptus camaldulensis (Dehnh) planted in some communal areas of Zimbabwe
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Abisai Mushaka --- Forest Research Centre, ZimbabweThe Forestry Commission of Zimbabwe has been implementing a Rural Afforestation Project since 1983. The main species promoted were the eucalypts, especially Eucalyptus camaldulensis (Dehnh). A survey of twenty-seven woodlots of E. camaldulensis with ages between I and 10 years... -
Maternal Response to Father-Daughter Incest: Experiences of Mothers Following Disclosure
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tokozile Mayekiso --- Nelson Mandela Metropolitan University, Fikelephi Mbokazi --- University of the Witwatersrand,This study explored the impact of the disclosure of sexual abuse of the daughter by the father or father figure on the mother. Data were collected from seven mothers aged between 31 and 48 years whose daughters had a history... -
Teacher Attitudes towards the Inclusion of Children with Mild Hearing Impairments into the Regular School Settings
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Levison Maunganidze --- Zimbabwe Open University, Zimbabwe Joseph Mavu Kasayira --- Midlands State University, Zimbabwe Nancy Ruhode --- Zimbabwe Open University, Zimbabwe Loice Shonhiwa --- Zimbabwe Open University, Zimbabwe Tholene Sodi --- University of Venda, South AfricaThe study examined the attitudes of a sample of Zimbabwean teachers towards the inclusion of children with mild hearing impairments. Two hundred and forty-six primary school teachers participated in the study. The teachers completed the modified Attitude Toward Mainstreaming Questionnaire... -
The Reliability of the Dyadic Satisfaction (DS) Subscale in a Low-income Semi-rural South African Community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elmien Lesch --- Stellenbosch University, South Africa Sarah-Kate Engelbrecht --- Stellenbosch University, South AfricaThis study investigated the reliability of the Dyadic Satisfaction (DS) subscale of the Dyadic Adjustment Scale (DAS) in a South African setting. One-hundred heterosexual, coloured, low-income, semi-rural couples with a mean age of 43.59 years and limited formal education participated... -
Prevalence of Dating Violence and Socioeconomic Status
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sophie Moagi-Gulubane --- University of Botswana,The study examined the prevalence of dating violence and its association with family-of-origin socioeconomic status among a sample of 253 undergraduate students (135 women and 118 men). Participants ranged in age from 18 to 25 years old, were unmarried, were... -
Teacher Reported Poverty Effects on Education Participation in a South African District
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sindiswa Stofile --- University of the Western Cape, Nora Linden --- Bergen University College, Rouaan Maarman --- University of the Western Cape,This study reports on teachers' perceptions of the effects of poverty on education participation in a district in the Eastern Cape Province in South Africa. Participants were 21 teachers (males = 10; females = 11) from seven schools (primary =5,... -
Quality of Daily Life with Teenage Motherhood
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Edzisani Sodi --- Tholene Sodi and Partner's Inc, South Africa Tholene Sodi --- University of Limpopo, South AfricaThis study describes teenage mothers' quality of daily life in a South African rural setting. It is a retrospective study. It was conducted with five participant women aged between 26 and 35 years with early motherhood experience. In-depth interviews were... -
Critical Incidents Impact Management Among South African Police Service Officers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- University of Venda, Eduard Fourie --- University of South Africa, Martin Terre Blanche --- University of South Africa,This article describes and interprets the law enforcement processes of managing critical incidents in a South African police district. Twenty participants from various police units were selected through purposive and theoretical sampling techniques. Data were collected using unstructured open-ended interviews,... -
On Contractibility of Matrix Algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohammad Sal Moslehian Assadollah Niknam. We show first that for each C*-algebra A, contractibility of A implies contractibility of M n (A). We next prove that an incidence algebra A of upper triangular matrices, defined by a partially ordered set Ω on {1, 2,...,n}... -
Striking differences between ZF and ZF+weak choice in view of metric spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Horst Herrlich Kyriakos Keremedis Eleftherios TachtsisWell-known properties held by metric spaces with the countable chain condition (ccc) such as separability, second countability, Lindelöf, paracompactness may fail in the absence of the axiom of choice AC. In the long catalogue of weak choice principles, see [10],... -
Some Consequences of An Identity Of B. Gordon
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Neville RobbinsUsing some consequences of the quintuple product identity, we obtain the identity: -
Decomposability and uniform integrability in Pettis integration
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: C. Godet-Thobie B. SatcoIn this paper, we give several characterizations of decomposable subsets of the space of Pettis integrable functions (in particular, a characterization similar to that already known in the Bochner integrability setting). We also introduce the notion WPUI of uniform integrability,... -
Approximate First Integrals of a Chaotic Hamiltonian System
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: G. Ünal C.M. Khalique G.F. AlişverişçiApproximate first integrals (conserved quantities) of a Hamiltonian dynamical system with two-degrees of freedom which arises in the modeling of galaxy have been obtained based on the approximate Noether symmetries for the resonance ω 1 = ω 2. Furthermore, Kolmogorov-Arnold-Moser... -
THE NIELSEN COINCIDENCE NUMBER OF MAPS INTO TORI
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jerzy Jezierski --- Department of Mathematics, University of Agriculture, Warszawa, Poland,We give a formula for the Nielsen coincidence number of a pair of maps from a surface into the 2-torus. We also show that a similar formula gives the lower bound of the number of connected components of the coincidence... -
Quadratic Pencil of Difference Equations: Jost Solutions, Spectrum, and Principal Vectors
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Murat Adıvar --- Department of Mathematics, TurkeyIn this paper, a quadratic pencil of Schrodinger type difference operator Lλ is taken under investigation to provide a general perspective for the spectral analysis of non-selfadjoint difference equations of second order. Introducing Jost-type solutions, structure and quantitative properties of... -
Codes related to line graphs of triangular graphs and permutation decoding
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Washiela Fish --- Department of Mathematics and Applied Mathematics, South Africa Khumbo Kumwenda --- Department of Mathematics and Applied Mathematics, South Africa Eric Mwambene --- Department of Mathematics and Applied Mathematics, South AfricaFor any prime p, we consider p-ary linear codes obtained from the row span of incidence matrices of line graphs of triangular graphs and adjacency matrices of their line graphs. We determine parameters of the codes, their automorphism groups and... -
Necessary and sufficient conditions for approximate strong invariance for semilinear differential inclusions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Alina Ilinca Lazu --- Department of Mathematics, Romania Victor Postolache --- Department of Mathematics, RomaniaWe establish necessary and sufficient conditions for approximate strong invariance referring to semilinear differential inclusions, conditions expressed in terms of a suitable defined tangency concept. -
Disability grants or antiretrovirals? A quandary for people with HIV/AIDS in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Chloe Hardy Marlise RichterAccording to the Department of Social Development, disability grants are available to adult South African citizens and permanent residents who are incapacitated and unable to work due to illness or disability. A number of people living with HIV/AIDS (PWAs) have... -
'We will eat when I get the grant': negotiating AIDS, poverty and antiretroviral treatment in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Suzanne Leclerc-MadlalaThe maturing HIV epidemic has led to a decline in the health status of many South Africans. One result is an increasing number of AIDS-affected poor who qualify for a government disability grant. Recent research has drawn attention to the... -
Incidence of HIV-1 infection and changes in prevalence of reproductive tract infections and sexual risk behaviours: a population-based longitudinal study in rural Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: EliaJ Mmbaga Akhtar Hussain GermanaH Leyna Elise Klouman Elisante Masenga Noel Sam KagomaS Mnyika Knut-Inge KleppThis study aimed at describing the prevalence and incidence of HIV-1 and change in the prevalence of reproductive tract infections (RTIs) and sexual risk behaviours in the rural Kilimanjaro region of Tanzania. Two cross-sectional surveys among the total village population... -
The rise and fall of HIV prevalence in Zimbabwe: the social, political and economic context
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Stephen O'Brien --- School of Social Science, Australia Alex Broom --- School of Social Science, AustraliaFor more than 10 years Zimbabwe has experienced social, political and economic instability, including the near collapse in 2008 of its health system. Paradoxically, this period has also seen a fall in estimated HIV prevalence, from 25.6% in 1996 to... -
Piloting antiretroviral treatment in South Africa: the role of partnerships in the Western Cape's provincial roll-out
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca Hodes --- AIDS and Society Research Unit, South Africa Trude Holm Naimak --- , NorwayIn 1999, the government of the Western Cape Province, South Africa, entered into a partnership with Médecins Sans Frontières (MSF) to provide HIV treatment through public health clinics in the peri-urban settlement of Khayelitsha. From 2000 onwards, this partnership ran... -
The sublethal effects of zinc at different water temperatures on selected haematological variables in Oreochromis mossambicus
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PP Buthelezi V Wepener DP CyrusTrace metals such as zinc play an important role in the normal metabolic functioning of all organisms. However, metals can become toxic if background concentrations are exceeded in the environment. This study investigated the sublethal effects of zinc on the... -
Fish as a resource in a rural river catchment in the Northern Province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BCW van der WaalThe rural population in the Mutshindudi River valley, in the north-eastern corner of the Northern Province, accept locally-caught freshwater fish as food (85%), but tinned pilchards are the most commonly eaten fish. Fishing gear was recorded in 70% of the... -
Biochemical genetic variation between four populations of Labeobarbus polylepis from three river systems in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PFS Mulder D Engelbrecht JS Engelbrecht F RouxThe genetic variation within four Labeobarbus polylepis populations from both river and dam environments in the Limpopo, Incomati and Phongolo River systems was studied. Gene products of 22 enzyme-coding loci were resolved using horizontal starch gel electrophoresis. Fourteen (64%) of... -
The use of multivariate analysis as a tool to illustrate the influence of environmental variables on phytoplankton composition in the Vaal River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Sanet Janse van Vuuren AJH PieterseThe highly eutrophic Vaal River system is subjected to algal blooms that cause problems ranging from aesthetically unacceptable conditions to the release of toxins. In order to understand how environmental variables influence one another and to determine the key environmental... -
Fatty acid composition of muscle and heart tissue of Nile perch, Lates niloticus, and Nile tilapia, Oreochromis niloticus, from various populations in Lakes Victoria and Kioga, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Justus Kwetegyeka G Mpango O Grahl-NielsenThe fatty acid composition in the heart tissue and muscle tissue of the Nile perch, Lates niloticus, and Nile tilapia, Oreochromis niloticus populations from Lakes Kioga and Victoria was determined by methanolysis and gas chromatography of the resulting fatty acid... -
The toxicity of zinc to a selected macroinvertebrate, Adenophlebia auriculata (Ephemeroptera, Leptophlebiidae): method development
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: V Everitt --- Centre for Aquatic Toxicology, South Africa P-A Scherman --- Centre for Aquatic Toxicology, South Africa MH Villet --- Department of Zoology and Entomology, South AfricaThe South African water quality guidelines for the protection of the aquatic environment are constantly being updated. The Centre for Aquatic Toxicology of the Institute for Water Research, Rhodes University, uses artificial streams and toxicological methods to contribute to the... -
The effect of copper and zinc at neutral and acidic pH on the blood coagulation of Oreochromis mossambicus
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Nussey --- Department of Zoology, South Africa J HJ van Vuren --- Department of Zoology, South Africa HH du Preez --- Department of Zoology, South AfricaThe effect of copper and zinc on fish blood coagulation under alkaline and acidic conditions and the possible occurrence of disseminated intravascular clotting under these conditions have been poorly studied to date. -
The effect of copper and zinc at neutral and acidic pH on the general haematology and osmoregulation of Oreochromis mossambicus
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Nussey --- Department of Zoology, South Africa J HJ van Vuren --- Department of Zoology, South Africa HH du Preez --- Department of Zoology, South AfricaThe objective of this study was to determine the effect of sublethal copper and zinc concentrations at a neutral and an acidic pH, on selected haematological parameters as well as on the total osmolality and electrolyte concentrations of Oreochromis mossambicus... -
Copper, zinc and iron concentrations in water, sediment and Cynothrissa mento (Regan 1917) from Ologe Lagoon, Lagos, Nigeria: a preliminary survey
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CA Kumolu-Johnson --- Department of Fisheries, Faculty of Science, Nigeria PE Ndimele --- Department of Fisheries, Faculty of Science, Nigeria SL Akintola --- Department of Fisheries, Faculty of Science, Nigeria CC Jibuike --- Department of Microbiology and Botany, Faculty of Science, NigeriaThe levels of Cu, Fe and Zn in water, sediment and Cynothrissa mento, a commercially important fish species, were investigated from April 2007 to March 2008 at three sites in Ologe Lagoon. Metal levels in the water column and C... -
Exfoliative liver cytology in Oreochromis mossambicus as a bio-assessment tool for aquatic pollution
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ML Mokae --- Centre for Aquatic Research, Department of Zoology, South Africa JHJ van Vuren --- Centre for Aquatic Research, Department of Zoology, South Africa GM Pieterse --- Centre for Aquatic Research, Department of Zoology, South AfricaThe use of exfoliative cytology as a bio-assessment tool was evaluated to (1) identify and describe different cell types of normal liver cytology of Oreochromis mossambicus, (2) identify and describe changes in the cell types after exposure to cadmium and... -
Fatty acids of polar lipids in heart tissue are good taxonomic markers for tropical African freshwater fish
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: J Kwetegyeka --- Department of Chemistry, Uganda J Masa --- Department of Chemistry, Uganda BT Kiremire --- Department of Chemistry, Uganda GB Mpango --- Department of Chemistry, Uganda O Grahl-Nielsen --- Department of Chemistry, NorwayThe fatty acid profiles in total, neutral and polar lipids in the heart tissues of five freshwater fish species (Nile perch Lates niloticus, Nile tilapia Oreochromis niloticus, marbled lungfish Protopterus aethiopicus, Bagrus docmak and African catfish Clarias gariepinus) from Lakes... -
A preliminary survey of biotic composition of the Olifantspruit catchment, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ZCC Khoza --- Department of Biodiversity, South Africa MJ Potgieter --- Department of Biodiversity, South Africa W Vlok --- Department of Zoology, South AfricaAs a major tributary of the Nyl River, and ultimately for the Nylsvley wetland, the Olifantspruit, Limpopo province, South Africa, was investigated during the summer (high flow) and winter (low flow) of 2007 at three sites. This preliminary study used... -
Validation of the periodicity of growth increment deposition in otoliths from the larval and early juvenile stages of two cyprinids from the Orange–Vaal river system, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BR Paxton --- Water Research Group (Ecology), School of Environmental Sciences and Development, Potchefstroom Campus, South Africa GC O'Brien --- Water Research Group (Ecology), School of Environmental Sciences and Development, Potchefstroom Campus, South Africa JA Slingsby --- South African Environmental Observatory Network, South Africa R Copin --- Zoology Department, South AfricaThis study tested the hypothesis that growth increments in larval largemouth yellowfish Labeobarbus kimberleyensis and smallmouth yellowfish L. aeneus from the Orange–Vaal river system, South Africa, are deposited daily. The periodicity of increment formation was determined by regular sampling and... -
Application of a Factorial Design to a Thinning Experiment in Eucalyptus grandis, with Intermediate Results
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. P.G. Schönau --- , South AfricaThe background is given to the choice of experimental design for a thinning experiment in E. grandis. A 34 factorial experiment confounded in randomised incomplete blocks of nine units was preferred with thinning intensity, age of first thinning, interval between... -
A Comparison of Three Methods of Wood Density Assessment in a Pinus elliottii Progeny Test
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G. Gough --- Forest Research Centre, R.D. Barnes --- ,Three methods of determining wood density of 15 Pinus elliottii Engelm. families in a progeny test were compared. The first was based on a segment cut from a disc, the second on an 8 mm increment core and the third... -
The Effect of Ripping in Combination with Fertiliser to Ameliorate Forest Sites on the Harkerville Plateau, Southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. van Laar --- Faculty of Forestry,The effect of soil preparation combined with fertiliser treatment on mortality and early height growth of Pinus radiata was investigated on the Harkerville Plateau in the southern Cape Region of the Cape Province. The effect of soil preparation on mortality... -
Conserving Surface-nesting Seabirds at the Prince Edward Islands: The Roles of Research, Monitoring and Legislation
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R. J. M. Crawford J. CooperSouth Africa's subantarctic Prince Edward Islands support substantial proportions of the global populations of a number of surface-nesting seabirds. Populations of most of these have decreased at the islands since the 1980s and 12 of 16 species are regarded as... -
Counts of Surface-nesting Seabirds Breeding at Prince Edward Island, Summer 2001/02
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P. G. Ryan J. Cooper B. M. Dyer L. G. Underhill R. J. M. Crawford M. N. BesterThe first midsummer survey of surface-nesting seabirds at Prince Edward Island was conducted during December 2001. It was also the first census for most species since the early 1980s. Despite concerns about the impacts of longline fishing mortality on various... -
Population Dynamics of the Wandering Albatross Diomedea Exulans at Marion Island: Longline Fishing and Environmental Influences
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D. C. Nel F. Taylor P. G. Ryan J. CooperThe subantarctic Prince Edward Islands (Marion and Prince Edward) support the largest breeding population of the Vulnerable wandering albatross Diomedea exulans. The number of birds breeding at Marion Island has fluctuated over the past three decades apparently as a result... -
Exchange of the Wandering Albatross Diomedea Exulans Between the Prince Edward and Crozet Islands: Implications for Conservation
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J. Cooper H. WeimerskirchExchange of 61 wandering albatrosses Diomedea exulans has been recorded between the French Crozet Islands and the South African Prince Edward Islands, 1 068 km apart in the Southern Ocean. Most movements of banded birds (57) have been westwards, from... -
The Oldest Known Banded Wandering Albatross Diomedea Exulans at the Prince Edward Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J. Cooper H. Battam C. Loves P. J. Milburn L. E. SmithThe oldest known wandering albatross Diomedea exulans at the Prince Edward Islands is estimated to have been approximately half a century old when last recaptured in 2001. Demographic studies need to continue for several more decades before the true maximum... -
Nest Densities of the Wandering Albatross Diomedea Exulans at the Prince Edward Islands, Estimated Using Gps
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L. G. Underhill S. L. Petersen J. CooperHand-held Global Positioning System (GPS) receivers provide opportunities for detailed and rapid mapping of features, including biological ones, further enhanced by the removal during 2000 of "selective availability". GPS was used to map, describe and compare nest densities within wandering... -
Population Numbers of Fur Seals at Prince Edward Island, Southern Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M. N. Bester P. G. Ryan B. M. DyerDuring the period 17–22 December 2001, the onshore distribution and the abundance of Antarctic fur seals Arctocephalus gazella and Subantarctic fur seals A. tropicalis were determined for Prince Edward Island. Two breeding colonies of Antarctic fur seals were located on... -
The Distribution and Spread of Alien Vascular Plants on Prince Edward Island
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P. G. Ryan V. R. Smith N. J. M. GremmenSurveys of alien plants at subantarctic Prince Edward Island in 2001 show that the ranges of all three introduced species have increased since the last survey in 1998. Poa annua, the longest-established species, increased its range substantially after 1987, prior... -
Marine alien species of South Africa — status and impacts
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TB Robinson CL Griffiths CD McQuaid M RiusThe current status of marine alien species along the South African coast is reviewed and the ecological and economic impacts of these invasions are discussed. In all, 10 confirmed extant alien and 22 cryptogenic species are recorded from the region... -
Growth patterns of the pearl oyster Pinctada margaritifera L. in Gazi Bay, Kenya
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KM Mavuti EN Kimani T MukiamaCulture of pearl oysters is rapidly increasing worldwide, including the western Indian Ocean. The oyster Pinctada margaritifera L., which produces the most highly valued black pearls, occurs in East Africa, a nd as been exploited there for the shell for... -
Water-body preferences of dominant calanoid copepod species in the Angola-Benguela frontal zone
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: N Loick W Ekau HM VerheyeThe distribution of five dominant calanoid copepods was related to different water masses in the Angola-Benguela Front system. Five water bodies were identified by principal component analysis, on the basis of abiotic parameter such as temperature, salinity, dissolved oxygen, phosphate,... -
White shark and other chondrichthyan interactions with the beach-seine (treknet) fishery in False Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SJ LamberthPublic perception has been that an apparent increase in the nearshore occurrence of white sharks Carcharodon carcharias in False Bay, on the south coast of South Africa, can at least be partly attributed to beach-seine (treknet) operations attracting sharks into... -
Effects of heavy metals on the development and survival of abalone Haliotis midae larvae
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RL Stofberg --- Department of Conservation Ecology and Entomology, South Africa CA Simon --- Department of Botany and Zoology, South Africa RG Snyman --- Department of Biodiversity and Conservation, Faculty of Applied Sciences, South AfricaDespite a growing abalone Haliotis midae industry in South Africa, few studies have measured the effects of heavy metals on larval survival and growth in the face of recent increases in marine pollution. The aim of this study was to... -
The seaweeds of Angola: the transition between tropical and temperate marine floras on the west coast of southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RJ Anderson --- Branch: Fisheries, Department of Agriculture, Forestry and Fisheries, South Africa JJ Bolton --- Botany Department and Marine Research Institute, South Africa AJ Smit --- School of Biological and Conservation Sciences, South Africa D da Silva Neto --- Departamento de Ambiente do Instituto Nacional de Investigação Pesqueira (INIP), AngolaThe seaweed flora of Angola is relatively poorly known. Most of the 124 records listed for the country come from a 1974 British Natural History Museum expedition to the central and southern parts of that country. Previous biogeographic studies treated... -
The Role of Agribusiness Innovation Incubation for Africa's Development
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nicholas Ozor --- , KenyaThe global economic crisis coupled with increases in food and fuel prices and the looming impacts of climate change have necessitated that Africa should urgently rise up to these challenges and opportunities by promoting growth, food security, employment, poverty reduction... -
Innovating the Green Way: Natural Considerations for Sustainable Consumption
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sajal Kabiraj --- International Center for Organization & Innovation Studies (ICOIS), ChinaLearn everything you can, anytime you can, from anyone you can – there will always come a time when you will be grateful for what you did… Sarah Caldwell The five natural elements (Earth, Water, Fire, Air and Sky), the... -
Inclusive Growth and Institutions: An Analysis of the Employment Structure of India's Tea Plantation Sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Namrata Thapa [d858062e18]It is generally held that though the Indian economy has been experiencing high growth in the post-reform period, it is not inclusive and that certain sectors, regions and population of the country are being excluded from the benefits of growth... -
Mobile Money for Financial Inclusion: Policy and Regulatory Perspective in Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alex Bara --- Senior Economist at the Agriculture Bank of Zimbabwe, ZimbabweThe introduction of mobile telephony and innovative technology in financial services is forcing regulators to re-evaluate their rules for financial service provision. Zimbabwe also adopted mobile financial service, and has realised rapid growth in mobile financial services. Inevitably, it has... -
Management of insect pests: Have the goalposts changed with certification?
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Prem Govender --- Department of Zoology and Entomology, Forestry and Agricultural Biotechnology Institute, Republic of South AfricaThe certification of commercial forestry according to the Forest Stewardship Council specifications has successfully occurred in many South Mrican plantations and this trend is set to increase in the future. Various principles and criteria govern the management of insect pests... -
Relative success of self and outcross pollen after mixed- and single-donor pollinations in Eucalyptus grandis
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: TN Horsley --- School of Biological and Conservation Sciences, South Africa SD Johnson --- School of Biological and Conservation Sciences, South AfricaA previous observation that self-pollen tubes traversed the style at a slower rate than cross-pollen tubes in Eucalyptus grandis and E. urophylla suggested the presence of cryptic self-incompatibility (CSI) in these species. The aim of the present study was, with... -
Low genetic diversity and high genetic differentiation among severely fragmented populations of the critically endangered tree Talbotiella gentii (Fabaceae)
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: D Dompreh --- School of Biological Sciences, UK MD Swaine --- School of Biological Sciences, UK A Price --- School of Biological Sciences, UKThe genetic diversity among 17 populations (including 10 newly discovered) of Talbotiella gentii (Fabaceae, Caesalpinioideae), a rare tree species endemic to Ghana, was assessed using random amplified polymorphic DNA (RAPD). A total of 80 polymorphic bands were generated from eight... -
Growth models based on radial increment observations for eight pine species in Angola
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cristobal Delgado-Matas --- Faculty of Agrarian Sciences, Angola Timo Pukkala --- School of Forest Sciences, FinlandGrowth models for the Central Highlands of Angola were developed in this study for Pinus pseudostrobus Lindl., P. kesiya Royle ex Gordon, P. devoniana Lindl., P. chiapensis (Martinez) Andresen, P. elliottii Engelm., P. greggii Engelm. ex Parl., P. montezumae Lamb... -
Rationing access to public-sector antiretroviral treatment during scale-up in South Africa: implications for equity
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nandipha Jacobs Helen Schneider H.C.J. Van RensburgAs with other large-scale antiretroviral therapy (ART) programmes initiated in developing countries, rationing of ART in South Africa was inevitable in the face of limited human and infrastructural resources. This paper discusses rationing of ART and its implications for equity... -
The economic burden of HIV and AIDS on households in Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: MichaelA Adedigba Sudeshni Naidoo Albert Abegunde Oluwafemi Olagundoye Ebun Adejuyigbe Ibiyemi FakandeThe study estimates the economic burden of HIV and AIDS on households in a Nigerian population. The data derive from a cross-sectional survey of households affected by HIV or AIDS in Ife-Ijesa Zone, Osun State, Nigeria. The sample consisted of... -
Introduction of culturally sensitive HIV prevention in the context of female initiation rites: an applied anthropological approach in Mozambique
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sophie Kotanyi --- , Germany Brigitte Krings-Ney --- , MozambiqueIn Mozambique, initiation rites represent the most appropriate socio-cultural context for dealing with sexuality for a large part of the population. As the group most vulnerable to HIV exposure, HIV-prevention counselling could be ideally introduced to young women during initiation... -
Does reservoir trophic status influence the feeding and growth of the sharptooth catfish, Clarias gariepinus (Teleostei: Clariidae)?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WM Potts T Hecht TG AndrewThe diet and growth of sharptooth catfish, Clarias gariepinus, in an oligotrophic system (Kat River Reservoir, Eastern Cape, South Africa) were compared to those in a eutrophic system (Laing Reservoir, Eastern Cape) to determine if the trophic status of a... -
The Bryozoa of subantarctic Marion and Prince Edward Islands: illustrated keys to the species and results of the 1982–1989 University of Cape Town surveys
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ML Branch PJ HaywardThe Bryozoa of subantarctic Marion and Prince Edward Islands were sampled over the period 1982–1989 by dredging, SCUBA-diving and intertidal surveys. This paper comprises illustrated keys to all 82 species of Bryozoa collected during these and previous surveys, including 15... -
Morphological identification of primary settlers and post-larvae of three mussel species from the coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Bownes NP Barker CD McQuaidThe study of mussel settlement and recruitment requires the ability to identify the larvae of co-existing species. On the south coast of South Africa, an introduced (Mytilus galloprovincialis) and two indigenous (Choromytilus meridionalis and Perna perna) mussel species co-exist and... -
Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PG Ryan --- , South Africa MGW Jones --- , South Africa BM Dyer --- Department of Environmental Affairs, South Africa L Upfold --- Department of Environmental Affairs, South Africa RJM Crawford --- Department of Environmental Affairs, South AfricaThe second mid-summer survey of surface-nesting seabirds at the Prince Edward Island group (Marion and Prince Edward islands) was conducted during December 2008, seven years after the initial mid-summer survey. Wandering albatrosses Diomedea exulans may have decreased slightly at Prince... -
A tale of two islands: contrasting fortunes for Subantarctic skuas at the Prince Edward Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PG Ryan --- , South Africa PA Whittington --- , South Africa RJM Crawford --- Department of Environmental Affairs, South AfricaSubantarctic skuas Catharacta antarctica are key predators of burrowing petrels at sub-Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas at the Prince Edward Islands was conducted during December 2008, repeating... -
Estimates of numbers of kelp gulls and Kerguelen and Antarctic terns breeding at the Prince Edward Islands, 1996/1997–2008/2009
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PA Whittington --- , South Africa RJM Crawford --- Department of Environmental Affairs, South Africa BM Dyer --- Department of Environmental Affairs, South Africa PG Ryan --- , South AfricaBreeding numbers of Laridae and other surface-nesting seabirds have been monitored at sub-Antarctic Marion Island since 1996/1997 and counts of breeding birds were made at nearby Prince Edward Island in December 2001 and December 2008. Four species are regular breeders... -
Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MN Bester --- Mammal Research Institute, Department of Zoology and Entomology, South Africa PG Ryan --- , South Africa J Visagie --- , South AfricaThe onshore distributions and the abundances of Antarctic fur seals Arctocephalus gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16-20 December 2008. This repeats a survey conducted in December 2001 and extends the area... -
Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WC Oosthuizen --- Mammal Research Institute, Department of Zoology and Entomology, South Africa MN Bester --- Mammal Research Institute, Department of Zoology and Entomology, South Africa PJN de Bruyn --- Mammal Research Institute, Department of Zoology and Entomology, South Africa GJG Hofmeyr --- Mammal Research Institute, Department of Zoology and Entomology, South AfricaDuring three summer surveys at Prince Edward Island (PEI), southern Indian Ocean (2001, 2004 and 2008), 416 southern elephant seals Mirounga leonina were inspected for identification tags. In all, 42 seals that had been tagged as weaned pups at their... -
Frame valued stratified generalized convergence groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: T.M.G. Ahsanullah Jawaher Al-MufarrijFollowing the notion of stratified L-fuzzy convergence space of Gunther Jäger [Quaest. Math. 24 (2001), 501–517], we introduce the notion of a stratified L-generalized convergence group, and look into some other objects, namely, stratified L-Kent convergence groups, and stratified L-principal... -
A Combinatorial Approach for Analyzing the Number of Descendants in Increasing Trees and Related Parameters
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Markus Kuba Alois PanholzerThis work is devoted to a study of the number of descendants of node j in random increasing trees, previously treated in [5, 8, 10, 15], and also to a study of the number of descendants of node j in... -
Toward sustainable harvesting of Africa's largest medicinal plant export (Prunus africana): a case study in Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JR Maximillian --- College of Natural Resources, USA J O'Laughlin --- College of Natural Resources, USAGlobal demand for treating prostate disorders with Prunus africana bark extract has made P. africana Africa's largest medicinal plant export. Unsustainable harvesting practices can lead to local extirpations of this multipurpose tree. Survey research targeting P. africana harvesters in a... -
Leiomyoma: a rare cause of adrenal incidentaloma
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: M Alteer --- Department of Medicine, Endocrine Division, BH Ascott-Evans --- Department of Medicine and Endocrine Division, M Conradie --- Department of Medicine and Endocrine Division,A 40-year-old, treatment-naïve, human immunodeficiency virus- (HIV) positive male was found to have a large right adrenal incidentaloma on ultrasound of the abdomen, which was confirmed on adrenal computed tomography imaging. The laboratory workup excluded functionality of the mass lesion... -
The effects of incisional bupivacaine infusions on postoperative opioid consumption and pain scores after total abdominal hysterectomy
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: SL Russell --- Department of Anaesthesiology, South Africa E Frohlich --- Department of Anaesthesiology, South Africa P Du Plessis --- Department of Anaesthesiology, South AfricaBackground: The aim of this study was to determine opioid requirements and pain intensity scores in patients after a total abdominal hysterectomy (TAH) administered with a bupivacaine infusion for a 30-hour period, and then to compare the data with that... -
Does Medicine Need Psycho-Social Science?
Item type: Journal Article • Journal: South African Family Practice • Authors: SWP Mhlongo --- Department of Family Medicine & Primary Health Care Medunsa, PMH Maduna --- Department of Family Medicine & Primary Health Care Medunsa,Despite Alma Ata in 1978, the developing countries continue to divert scarce resources to multiple-story tertiary hospitals at the expense of primary health care services. No country in the world has unlimited resources with regard to budget allocation for health... -
“DOCTOR! Go for a course in HR Management”
Item type: Journal Article • Journal: South African Family Practice • Authors: SAH Moosa --- , ID Couper --- University of the Witwatersrand,A key principle of family medicine is the management of resources. Human Resource Management (HRM) underpins other principles of family medicine. It is not only the doctor but also the staff around him or her who enables and responds to... -
Surgical management of stress incontinence in women: The role of the family practitioner Part 1: Pre-operative issues
Item type: Journal Article • Journal: South African Family Practice • Authors: G Rienhardt --- Urogynaecology Unit, P De Jong --- Female Continence Clinic, University of Cape Town and Groote Schuur Hospital, and Christiaan Barnard Memorial Hospital,The surgical management of stress incontinence in women should encompass a combined approach by the family practitioner and the specialist. This review, in two parts, discusses the place of the family practitioner in this process. The continence mechanism, pre-operative counselling,... -
Surgical management of stress incontinence in women: The role of the family practitioner
Item type: Journal Article • Journal: South African Family Practice • Authors: G Rienhardt --- Urogynaecology Unit, P De Jong --- Female Continence Clinic,The surgical management of stress incontinence in women should encompass a combined approach by the family practitioner and the specialist. This review, in two parts, discusses the place of the family practitioner in this process. The continence mechanism, pre-operative counselling,... -
The learning plan as a reflective tool for trainers of family medicine registrars
Item type: Journal Article • Journal: South African Family Practice • Authors: C Van Deventer --- University of Witwatersrand, HH Conradie --- University of Stellenbosch, SAH Moosa --- University of Witwatersrand, G Morris --- Nelson Mandela Medical School, S Smith --- University of Pretoria, M Van Rooyen --- University of Pretoria, A Derese --- Centre for Education Development, Department of Family Medicine and Primary Health Care, Faculty of Medicine and Health Sciences, J De Maeseneer --- Head of Department of Family Medicine and Primary Health Care, -
The infant-feeding practices of mothers enrolled in the prevention of mother-to-child transmission of HIV programme at a primary health care clinic in the Mpumalanga province, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: IS Ukpe --- Department of Family Medicine, South Africa J Blitz --- Department of Family Medicine, South Africa J Hugo --- Department of Family Medicine, South Africa M Theledi --- White River Clinic, South AfricaPurpose: To determine whether mothers attending a primary health care (PHC) clinic in the Mpumalanga province, South Africa for post-delivery prevention of mother-to-child transmission (PMTCT) of the Human Immunodeficiency Virus (HIV) follow-up care were adhering to the recommendation of exclusive... -
Percutaneous injuries in doctors in the School of Medicine, University of the Free State: incidence, reporting and adherence to precautionary and management procedures
Item type: Journal Article • Journal: South African Family Practice • Authors: M Du Toit --- Faculty of Health Sciences, South Africa D Claassen --- Faculty of Health Sciences, South Africa A Le Roux --- Faculty of Health Sciences, South Africa E Nel --- Faculty of Health Sciences, South Africa W Van Biljon --- Faculty of Health Sciences, South Africa G Joubert --- Department of Biostatistics, Faculty of Health Sciences, South Africa VJ Louw --- Division Clinical Haematology, Department of Internal Medicine, Faculty of Health Sciences, South AfricaBackground: Despite the official precautionary measures against percutaneous injuries, incidents still occur. Consequently, it is possible that healthcare workers could contract infections like HBV, HCV, HGV (hepatitis B, C and G viruses) and HIV (human immune deficiency virus). The most... -
Suicide cases investigated at the state mortuary in Bloemfontein, 2003–2007
Item type: Journal Article • Journal: South African Family Practice • Authors: K Stark --- Department of Forensic Medicine, Faculty of Health Sciences, G Joubert --- Department of Biostatistics, Faculty of Health Sciences, M Struwig --- Faculty of Health Sciences, M Pretorius --- Faculty of Health Sciences, Merwe N Van der H Botha J Kotzé D KrynauwBackground: Up to 8 000 South Africans commit suicide annually. This study aimed to investigate the profile of suicide cases in Bloemfontein and the southern Free State province. -
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 -
Pain as a reason for primary care visits: cross-sectional survey in a rural and periurban health clinic in the Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: EU Igumbor --- School of Public Health, University of the Western Cape, South Africa T Puoane --- School of Public Health, University of the Western Cape, South Africa SA Gansky --- School of Dentistry, University of California, USA O Plesh --- School of Dentistry, University of California, USABackground: The burden of pain in primary care has not been described for South Africa. This study aimed to determine the prevalence of pain in primary care and to characterise pain among adult patients attending a rural and a periurban... -
Dipeptidyl peptidase-4 inhibitors: their role in the management of type 2 diabetes
Item type: Journal Article • Journal: South African Family Practice • Authors: Gail Mkele [AN0001]The production of glucagon-like peptide 1 (GLP-1), an incretin hormone, has been shown to be abnormally low in patients with type 2 diabetes, suggesting that GLP-1 may be a contributor in the pathogenesis of the disease. New type 2 diabetic... -
The role of private general practitioners in the treatment of alcohol dependence in the Free State province
Item type: Journal Article • Journal: South African Family Practice • Authors: PM Van Zyl --- Department of Psychiatry, Faculty of Health Sciences, CA Gagiano --- Department of Pharmacology, Faculty of Health Sciences, WF Mollentze --- Department of Internal Medicine, Faculty of Health Sciences, JS Snyman --- Department of Pharmacology University of Pretoria;, G Joubert --- Department of Biostatistics, Faculty of Health Sciences,Objectives: The study was undertaken to investigate the role of private general practitioners (GPs) in the treatment of alcohol dependence in the Free State province. -
Repeat photography as a tool for detecting and monitoring historical changes in South African coastal habitats
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Reimers --- Centre for Invasion Biology and Department of Biological Sciences, South Africa CL Griffiths --- Centre for Invasion Biology and Department of Biological Sciences, South Africa MT Hoffman --- Plant Conservation Unit, Department of Biological Sciences, South AfricaRepeat photography was used to illustrate long-term changes occurring in coastal habitats in the Western Cape, South Africa. Historic images were sourced from books and theses, the public and subject specialists, and repeat photographs were then taken from the same... -
Obstacles to HIV prevention, treatment and care in selected public universities in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Blessing Mbatha --- Department of Communication Science, South AfricaSouth Africa, like the rest of Southern Africa, is ravaged by AIDS. Higher education in South Africa has a significant role to play in the fight against the spread of HIV and AIDS. This article reports the factors contributing to... -
Health care practitioners' perceptions of public mental health care in the Eastern Cape, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dalena van Rooyen --- Nelson Mandela Metropolitan University, Kegan Topper --- Nelson Mandela Metropolitan University, David Morton --- Nelson Mandela Metropolitan University, Joanitha Strümpher --- Nelson Mandela Metropolitan University, Isabell Schierenbeck --- University of Gothenburg, Lena Andersson --- University of Gothenburg,This qualitative study explored the perceptions of health care practitioners (HCPs) concerning public mental health care in the Eastern Cape Province of South Africa. Data were collected from thirteen purposively selected HCPs using in-depth unstructured interviews (males = 6, females = 7). Data were... -
Innovation characteristics of formal manufacturing firms in Uganda
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Julius Ecuru --- College of Engineering, Design, Art and Technology, Uganda Peter O. Lating --- College of Engineering, Design, Art and Technology, Uganda Lena Trojer --- Blekinge Institute of Technology, SwedenManufacturing firms ought to innovate in order to stay competitive in a highly liberalised and open economy. This is even more crucial in low income countries, which seek accelerated economic growth and transformation. In this paper, we describe innovation characteristics... -
Inclusive innovation processes – experiences from Uganda and Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lena Trojer --- Department of Technology and Aesthetics, Sweden Birgitta Rydhagen --- Department of Technology and Aesthetics, Sweden Tomas Kjellqvistt --- Department of Technology and Aesthetics, SwedenIt has been well known since the 1960s that developing countries need to improve their capacity to use science and technology and that more efforts must be put into R&D that would benefit poor countries and people. Serious efforts to... -
The Female Condition as Double Incarceration in Wambui Otieno's Mau Mau's Daughter
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ken Walibora Waliaula --- Nation Media Group (NMG), KenyaFocusing on Kenyan freedom fighter Wambui Otieno's narrative Mau Mau's Daughter 1998), this article discusses the interplay between incarceration and the female condition. It bears clarifying that Otieno's narrative of confinement was written and published forty years after the fact... -
Contextual analysis of home environment factors influencing the acquisition of early reading skills in Zambian families
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tamara Chansa-Kabali --- Department of Psychology, Zambia Robert Serpell --- Department of Psychology, Zambia Heikki Lyytinen --- University of Jyväskylä, FinlandThis study examined the effect of home environment factors in the acquisition of early reading skills (orthographic awareness and decoding competence). To assess these factors, a sample of seventy-two (72) first grade learners (females = 55%; age range = 7–8 years) and their maternal... -
A comparison of methods for incubating zooplankton diapausing eggs from sediment of endorheic pans in the Free State, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SL Liefferink --- Department of Zoology, South Africa RB Tate --- Department of Zoology, South Africa JHJ van Vuren --- Department of Zoology, South Africa M Ferreira --- Department of Zoology, South Africa W Malherbe --- Unit for Environmental Sciences and Management, South AfricaDetermining the composition of zooplankton in endorheic pans can be challenging, and live sampling of these microcrustaceans does not give a true indication of their species diversity and abundance. The incubation of zooplankton diapausing eggs can assist in determining their... -
Understanding the diffusion modes of grassroots innovations in India: A study of Honey Bee Network supported innovators
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Dinesh Abrol --- Institute of Studies in Industrial Development & Centre for Studies in Science Policy, Jawaharlal Nehru University, India Ankush Gupta --- Department of Civil Engineering, IndiaIn this paper we examine the outcomes and connections of preferences of the non-formal innovators identified by the Honey Bee Network (HBN) in India. The chosen mode of diffusion of each innovation has been correlated to socio-economic backgrounds, origins of... -
Chemical thinning of ‘Barouni’ and ‘Manzanilla’ olives with naphthalene acetic acid under South African conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J Jacques Crous --- Department of Horticultural Science, South Africa Willem J Steyn --- Department of Horticultural Science, South AfricaTable olives grown in the Mediterranean-type climate of Western Cape province of South Africa are prone to alternate bearing, as elsewhere in the world. To date, South African producers have tolerated the negative effects of alternate bearing, but due to... -
Pseudo-egg and exotic egg adoption by Kelp Gulls Larus dominicanus vetula
Item type: Journal Article • Journal: African Zoology • Authors: Minke Witteveen --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa Mark Brown --- School of Life Sciences, University of KwaZulu-Natal, South Africa Peter G Ryan --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South AfricaGround-nesting birds, particularly larids, are known to include a variety of items in their nests as pseudo-eggs, as well as to adopt the eggs of conspecifics or other species. Three hypotheses have been put forward to explain this phenomenon: incubation... -
Preliminary examination of hatching season and growth of Engraulicypris sardella (Pisces: Cyprinidae) larvae and juveniles in Lake Malawi
Item type: Journal Article • Journal: African Zoology • Authors: Shinsuke Morioka --- Department of Aquaculture and Fisheries Science, Bunda College of Agriculture, Malawi Emmanuel Kaunda --- Department of Aquaculture and Fisheries Science, Bunda College of Agriculture, MalawiThe hatching period and the growth of Malawian cyprinid Engraulicypris sardella larvae and juveniles collected from two sites along the southwestern shoreline of Lake Malawi were investigated using otolith increment information. The lapillus was used to determine the age in... -
Reproductive partitioning among polyandrous alpha and beta pale chanting-goshawk males
Item type: Journal Article • Journal: African Zoology • Authors: Gerard Malan --- Percy FitzPatrick Institute, University of Cape Town, South AfricaThis study investigates the reproductive and parental roles of polyandrous male pale chanting-goshawks, Melierax canorus, and speculatively reviews the fitness outcomes of different skew and relatedness scenarios. The study was conducted over five years in the Little Karoo, South Africa... -
An analysis of the recreational shore fishery in the Goukamma Marine Protected Area
Item type: Journal Article • Journal: African Zoology • Authors: P. Pradervand --- Oceanographic Research Institute, South Africa R. Hiseman --- Western Cape Nature Conservation Board, South AfricaTen years (1993–2002) of shore fishing catch and effort data collected during routine patrols in the Goukamma Marine Protected Area in theWestern Cape Province were analysed. Of a total of 35 species recorded, the most common were backtail, Diplodus sargus... -
Laboratory evaluation of germinated and non-germinated bait base for the management of the house rat, Rattus rattus
Item type: Journal Article • Journal: African Zoology • Authors: Palaniyandi Sakthivel --- Research Department of Zoology, India Periyasamy Neelanarayanan --- Research Department of Zoology, IndiaGerminated and non-germinated cereals (paddy, Oryza sativa; pearl millet, Pennisetum typhoides; and ragi, Eleusine coracana) and pulses (green gram, Phaseolus aureus; black gram, Phaseolus mungo; and Bengal gram, Cicer arietinum) were evaluated to determine their suitability as a bait base... -
The occurrence of metazoan endoparasites of Schilbe intermedius Rüppell, 1832 from the Nwanedi-Luphephe Dams in the Limpopo River System, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: W.J. Smit --- Department of Biodiversity, South Africa W.J. Luus-Powell --- Department of Biodiversity, South AfricaThe present study deals with the survey of endoparasites from Schilbe intermedius (silver catfish) at the Nwanedi-Luphephe Dams from July 2009 to May 2010. The hosts (n = 60) were collected using gill nets and examined for endoparasites. The following... -
Home range, habitat selection and activity patterns of an arid-zone population of Temminck’s ground pangolins, Smutsia temminckii
Item type: Journal Article • Journal: African Zoology • Authors: Darren W. Pietersen --- Mammal Research Institute, Department of Zoology and Entomology, South Africa Andrew E. McKechnie --- Mammal Research Institute, Department of Zoology and Entomology, South Africa Raymond Jansen --- Department of Environmental, South AfricaAll previous behavioural studies of Temminck’s ground pangolins (Smutsia temminckii) have focused on populations in mesic regions. We examined home range size, activity periods, habitat selectivity and refuge site selection of 13 individuals over three years in the Kalahari Desert... -
Indigenizing counselling valuing the afterlife with the Igbo of south eastern Nigeria: a case for ino-uwa based intervention
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chika Eze --- Department of Psychology, Faculty of Education, KenyaThis study examines prospects for the utilization of the concept of ino-uwa practised by the Igbo cultural-linguistic community of South Eastern Nigeria to understand and address counselling needs of a child and his family. Ino-uwa is the cultural familial scaffold... -
Elevated temperatures drive fine-scale patterns of habitat use in a savanna bird community
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Rowan O Martin --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Susan J Cunningham --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- ,Many animals use thermally buffered microhabitats, e.g. patches of shade within trees, to avoid temperature extremes. These ‘thermal refugia’ may mediate the impact of climate change on animals. Predicting how species and communities will respond to rising temperatures therefore requires... -
Extraordinary items: Accounting and market risk
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J A Miller --- Emeritus Professor in Accounting and Finance,The market reaction to the recurrent reporting of extraordinary items was tested by calculating and comparing the betas for a portfolio of shares that reported extraordinary items in each of the five years 1990 through 1994 and a control portfolio... -
Biplots for displaying multidimensional financial performance data graphically
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: N J le Roux --- Department of Statistics and Actuarial Science, Republic of South Africa S Gardner --- Department of Statistics and Actuarial Science, Republic of South Africa P Olivier --- Department of Accountancy, Republic of South AfricaInvariably financial performance of an enterprise is not judged on a single criterion but is described in terms of various related financial performance indicators. Financial decision makers are thus typically confronted with multidimensional data. This paper demonstrates to financial managers... -
Transfer pricing methods in the context of intangible property
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Steyn --- Department of Taxation, School of Accounting Sciences,The purpose of this study is to evaluate the suitability of existing acceptable transfer pricing methods and their application to international transactions between related parties involving intangible property, more specifically intellectual property that is legally protected. The application of the... -
The timing of the recognition of a liability for secondary tax on companies in accordance with international financial reporting standards
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E R Venter --- Department of Accounting, M Stiglingh --- Department of Taxation,United States Generally Accepted Accounting Practice (“US GAAP”) generally requires taxes to be measured at the rate applicable to distributed profits, while International Financial Reporting Standards (“IFRS”) requires the undistributed rate to be used. This current conflict between US GAAP... -
Cost contribution agreements: The South African tax implications of research and development costs incurred by multinationals participating in joint research projects with offshore associates
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Steyn --- Department of Management Accounting,Cost Contribution Agreements (CCAs) or cost sharing of research and development costs, is one of the vehicles sanctioned by tax authorities that may be used by multinational enterprise groups (MNEs) to develop and distribute intangible property among members of the... -
Capitalisation of borrowing costs: An investigation into technical uncertainties in IAS 23
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: L van Staden --- School of Accounting Sciences, N van der Merwe --- School of Accounting Sciences,Those who are not experts in the field of accounting will most probably be of the opinion that interest should be expensed and therefore reduce profits. However, for financial periods beginning on or after 1 January 2009, the capitalisation of... -
An argument for either excluding death as a capital gains tax event or abolishing estate duty
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J J Roeleveld --- Department of Finance and Tax,South Africa is one of the few countries in the world that imposes both estate duty and capital gains tax on the assets of a person on death. This paper presents an argument for the abolishment of estate duty in... -
IFRS 3 “grey area” regarding contingent liabilities
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Eloise de Jager --- Department of Accounting, South AfricaAll South African listed companies must prepare their financial statements using International Financial Reporting Standards (IFRS). Although IFRS aims to provide a framework that can be applied to ensure comparable financial information, there are “grey areas” where judgement needs to... -
Peculiarities of the fair value taxation regime for financial instruments
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Warren Maroun --- School of Accountancy, South AfricaThe enactment of s24JB represents a significant change in the taxation of financial instruments. The traditional approach of including amounts in gross income on the earlier of receipt or accrual is superseded by a fair value regime grounded in International... -
Basic Financial Statements: Objectives, Categories, Principles and Presentation
Item type: Journal Article • Journal: De Ratione • Authors: J.A. Miller --- University of Natal,Objectives ae suggested for each of the basic financial statements in the annual report of a business entity. Categories of information required and the principles used in their classification, are identified and defined. A suggested presentation reflects cash flow alongside... -
Reële winssyfers vir 1986 van genoteerde industriële maatskappye op die Johannesburgse Effektebeurs
Item type: Journal Article • Journal: De Ratione • Authors: W. Gevers --- Universiteit van Stellenbosch, W. Hamman --- Universiteit van Stellenbosch, -
Pre-incorporation Contracts Revisited
Item type: Journal Article • Journal: De Ratione • Authors: R Jooste --- University of Cape Town, C Koornhof --- University of the Witwatersrand,Some confusion stilt exists with Accountants as to the correct accounting treatment for pre-incorporation contracts. An attempt is made in this article to present a framework of the legal positions and accounting treatments of all practical situations encountered with pre-incorporation... -
Corporate reporting: Science or art . . . . . . . ful
Item type: Journal Article • Journal: De Ratione • Authors: M Steele --- University of the Witwatersrand,At the macro-societal level, accounting influences taxation policy-making, wage bargaining and economic restructuring. Accounting plays a vital role in these-activities which result In the transference of wealth. At both the micro-and macro-societal level accounting has a social responsibility to create... -
Reforming taxation of business for rationalisation and inflation-neutrality
Item type: Journal Article • Journal: De Ratione • Authors: Wesley J Gavin --- Professor in the Department of Accounting at Rhodes University,Taxation of business in South Africa needs reforming to avoid inflationary distortions and investment disincentives. Inflation adjusted income has largely been abandoned as a feasible tax base. Taxing both corporate and non-corporate business income at a flat rate on the... -
The ethics of an all-inclusive plan: An investigation of social sustainability in the case of all-inclusive resorts, Jamaica
Item type: Journal Article • Journal: • Authors: Gaurav Chawla --- Swiss Hotel Management School, Leysin, Switzerland Marcelina Wanjiru Ndung’u --- Swiss Hotel Management School, Leysin, SwitzerlandEthics and sustainability are commonly used catchphrases in the modern business world. As several hospitality entities go out of their way to provide the emergent pro-environmentalist guest with value-added ‘green’ goods and services, others are forced to re-analyse their operational strategies to... -
The effects of education and income on consumers’ motivation to read online hotel reviews
Item type: Journal Article • Journal: • Authors: Anna Engelbertink --- Stenden Hotel Management School, Leeuwarden, The Netherlands Schevaa Van Hullebusch --- Stenden Hotel Management School, Leeuwarden, The NetherlandsAn increasing number of consumers are using the Internet for online advice and recommendations. Consumers read these electronic word-of-mouth (eWOM) comments for various reasons. The current study is an extension to that of Kim, Mattila, and Baloglu (2011)1, with the... -
Dipeptidyl peptidase-4 inhibitors: their role in the management of type 2 diabetes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Gail Mkele [cor1]The production of glucagon-like peptide 1 (GLP-1), an incretin hormone, has been shown to be abnormally low in patients with type 2 diabetes, suggesting that GLP-1 may be a contributor in the pathogenesis of the disease. New type 2 diabetic... -
Comparative study of double-chamber microbial fuel cells (DC-MFCs) using Mfensi clay as ion-exchange-partition: Effect of electrodes
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: R.Y. Tamakloe --- Department of Physics, Ghana T. Opoku-Donkor --- Department of Physics, Ghana M.K.E. Donkor --- Department of Physics, Ghana H. Agamasu --- Department of Physics, GhanaAn alternative answer to the vital issues of electricity production and wastewater treatment leads to the application of microbial fuel cells. This study has developed a low-cost double-chambered microbial fuel cell (MFC) for electricity generation, which can also be used... -
Do sawfish Pristis spp. represent South Africa's first local extirpation of marine elasmobranchs in the modern era?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BI Everett --- Oceanographic Research Institute, South Africa G Cliff --- KwaZulu-Natal Sharks Board, South Africa SFJ Dudley --- Branch: Fisheries Management, South Africa SP Wintner --- KwaZulu-Natal Sharks Board, South Africa RP van der Elst --- Oceanographic Research Institute, South AfricaLargetooth sawfish Pristis pristis and green sawfish P. zijsron were not uncommon in catches made in KwaZulu‑ Natal (KZN) on the east coast of South Africa in the mid part of the last century but apparently have disappeared from this... -
Influences on life aspirations among adolescents in a low-income community in Cape Town, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gaironeesa Hendricks [cor1] Shazly Savahl --- Department of Psychology, South Africa Kulthum Mathews --- Department of Psychology, South Africa Claudia Raats --- Department of Psychology, South Africa Labeeqah Jaffer --- Department of Psychology, South Africa Arnold Matzdorff --- Department of Psychology, South Africa Bianca Dekel --- Department of Psychology, South Africa Christelle Larke --- Department of Psychology, South Africa Tapiwa Magodyo --- Department of Psychology, South Africa Megan van Gesselleen --- Department of Psychology, South Africa Athena Pedro --- Department of Psychology, South AfricaThe aim of this study was to determine the influences on adolescents’ aspirations from a low-income community in Cape Town. A sequential mixed method exploratory design was used following two distinct phases. The qualitative phase comprised focus group interviews with... -
Genetic variability in cowpea (Vigna unguiculata (L.) Walp.) genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Abe S Gerrano --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute, South Africa Patrick O Adebola --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute, South Africa Willem S Jansen van Rensburg --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute, South Africa Sunette M Laurie --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute, South AfricaInformation on genetic variability among the existing cowpea genotypes will increase the efficiency of the cowpea improvement. Field experiments were conducted at the Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute in South Africa, in 2011 and 2012, to estimate... -
Application of multivariate statistics and toxicity indices to evaluate the water quality suitability for fish of three rivers in the Kruger National Park, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Gerber --- Centre for Aquatic Research, Department of Zoology, South Africa V Wepener --- Unit for Environmental Sciences and Management, South Africa NJ Smit --- Unit for Environmental Sciences and Management, South AfricaThe water quality of the Olifants, Letaba and Luvuvhu rivers within the Kruger National Park was assessed for their suitability to sustain fish populations. Since water quality assessments result in huge datasets, principal component analysis and an aquatic toxicity index... -
Formal and informal dispute resolution in the Limpopo Province, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: C. S. van der Waal --- Dept. of Sociology and Social Anthropology,The study of customary law benefits from a focus on both its formal rules and mechanisms and the informal aspect. The complexity of ‘living law’ is best captured by considering process and context. The working of the three-leveled formal traditional... -
De-provincialising South African anthropology: on relevance, public culture & the citizen anthropologist
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Heike Becker --- Dept. of Anthropology & Sociology,This paper examines a range of challenges to anthropology in post-apartheid South Africa in the hope of stimulating a much needed debate on ‘doing anthropology’ from the perspective of South African anthropologists who research and teach within their own complex... -
Bafokeng, Inc.—Power of the nation/corporation amalgam
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Inge Kriel --- Department of Anthropology and Archaeology,The concept of ‘Ethnicity, Inc.’ so thoroughly conjoins the ethnic nation with the ethnic corporation that it becomes increasingly difficult to think of one without the other. This article aims to deconstruct this relationship by demonstrating how the ambiguity between... -
A new subfossil bulbul (Aves: Passerines: Pycnonotidae) from Rodrigues Island, Mascarenes, south-western Indian Ocean
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Julian P Hume --- Bird Group, Department of Life Sciences, UKThe Hypsipetes bulbuls (Pycnonotidae) occur on Madagascar and oceanic islands throughout the Indian Ocean, as well as continental Asia. Endemic species are found on the Mascarene Islands of Mauritius and Réunion, but the genus was purportedly never reported from Rodrigues,... -
Incidence and progression of diabetic retinopathy within a private diabetes mellitus clinic in South Africa
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: RL Thomas --- Diabetes Research Unit, Wales L Distiller --- Centre for Diabetes and Endocrinology, South Africa SD Luzio --- Diabetes Research Unit, Wales VJ Melville --- Centre for Diabetes and Endocrinology, South Africa S Roy Chowdhury --- Institute of Molecular and Experimental Medicine, Cardiff University, Wales B Kramer --- Centre for Diabetes and Endocrinology, South Africa DR Owens --- Diabetes Research Unit, WalesObjective: The study objective was to examine the influence of glycaemic control and ethnic variations on the incidence and progression of diabetic retinopathy (DR). -
Detection of multidrug-resistant gonorrhoea in the Gauteng province
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: David Lewis --- Head of the Centre for HIV and STIs, National Institute of Communicable Diseases; National Health Laboratory Service, Charlotte Sriruttan --- Clinical Microbiologist, Ampath National Laboratory Services, Jennifer Coetzee --- Clinical Microbiologist, Ampath National Laboratory Services, National Reference Laboratory, Centurion,Two cefpodoxime-resistant Neisseria gonorrhoeae isolates were identifed with high minimum inhibitory concentrations (MIC) for oral cephalosporins. The ceftriaxone MICs for both isolates were still in the susceptible range, although raised at 0.064 mg/l. Both isolates were cultured from urethral specimens... -
Characteristics of women requesting legal termination of pregnancy in a district hospital in Hammanskraal, South Africa
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Aluwani Ndwambi --- Department of Family Medicine, South Africa Indiran Govender --- Department of Family Medicine, South AfricaIntroduction: Worldwide, the most commonly reported reason stated by women for undergoing a termination of pregnancy (TOP) is to postpone or stop childbearing. The second most common cited reason is socio-economic concerns, which include a disruption to education or employment,... -
Universities and think-tanks as partners in the African knowledge economy: Insights from South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Claudious Chikozho --- Gauteng City-Region Observatory, South Africa Davison Saruchera --- Independent Consultant, South AfricaThere is a paucity of knowledge regarding the nature of interactions between universities and think-tanks in Africa and how their collaboration could be promoted to enable them to contribute more effectively to the knowledge economy. Relying on primary and secondary... -
Evaluating herbivore extinction probabilities in Addo Elephant National Park, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: M.H. Knight --- Scientific Services, South African National Parks, South Africa M. Kshatriya --- Conservation Planning Unit, Department of Zoology & Entomology, South Africa A.S. Van Jaarsveld --- Conservation Planning Unit, Department of Zoology & Entomology and Centre for Environmental Studies, South Africa A.O. Nicholls --- Division of Wildlife and Ecology, Australia A.J. Hall-Martin --- Conservation Services, South AfricaPopulation extinction evaluations, based on the model developed by Dennis et al. (1991) that did not take density dependence into account and that were based on census data, suggest that many of the herbivore species in Addo Elephant National Park... -
Estimation of the lion (Panthera leo) population in the southwestern Kgalagadi Transfrontier Park using a capture–recapture survey
Item type: Journal Article • Journal: African Zoology • Authors: J.G. Castley --- Conservation Services, South African National Parks, South Africa M.H. Knight --- Conservation Services, South African National Parks, South Africa M.G.L. Mills --- Conservation Services, South African National Parks, Endangered Wildlife Trust, and Mammal Research Institute, University of Pretoria, South Africa C. Thouless --- Department of Wildlife and National Parks, BotswanaA previous estimate of the lion (Panthera leo) population in the southwestern Kgalagadi Transfrontier Park (KTP) was made over 20 years ago. This together with increased fears regarding the viability of the population as a result of recent killings of... -
Otolith features and growth of juvenile Opsaridium microcephalum (Pisces: Cyprinidae) from the southwestern shoreline of Lake Malawi
Item type: Journal Article • Journal: African Zoology • Authors: Shinsuke Morioka --- Department of Aquaculture and Fisheries Science, Bunda College of Agriculture, MalawiSanjika, Opsaridium microcephalum, were collected from two sites (Nkhotakota and Chia) along the southwestern shoreline of Lake Malawi. The sagitta of the otolith was arrowhead-shaped with an obvious nucleus. Increments in the sagittae were observable until the bases of the... -
Trial by fire: social spider colony demographics in periodically burned grassland
Item type: Journal Article • Journal: African Zoology • Authors: Yael Lubin --- Mitrani Department of Desert Ecology, Israel Tanza Crouch --- Durban Natural Science Museum, South AfricaNature conservation authorities in southern Africa burn the grassland in nature reserves to reduce the incursion of woody plants and to encourage the growth of new grass for grazing. Studies have shown significant negative effects of burning on the abundance,... -
Embodied urban health and illness in Cape Town: children's reflections on living in Symphony Way Temporary Relocation Area
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Efua Prah --- Department of Anthropology and Sociology, South AfricaThis paper explores ideas about health and illness held by six children who live in the Symphony Way Temporary Relocation Area in Cape Town, South Africa. The research shows that solutions to illness and health problems held by low-income populations... -
Ethics and extinction: Micro versus macro appropriate technology
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: C. Verharen --- Department of Philosophy, F. Bugarin --- African Studies Department, D. Schwartzman --- Department of Biology (ret.), J. Tharakan --- Department of Chemical Engineering, B. Gutema --- Department of Philosophy, Ethiopia J. Fortunak --- Department of Chemistry & Pharmaceutical Sciences, G. Middendorf --- Department of Biology, USAEthical theory and technology practice raise two primary questions. First, what are the ethical principles driving sustainable appropriate technology? Second, what are the viable applications of those principles with respect to alternative appropriate technologies? The hypothesis of this study is... -
Acute postoperative pain in 1 231 patients at a developing country referral hospital: incidence and risk factors
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Adriaan Albertus Murray --- Department of Anaesthesiology and Critical Care, Faculty of Medicine and Health Sciences, South Africa Francois Wilhelm Retief --- Department of Anaesthesiology and Critical Care, Faculty of Medicine and Health Sciences, South AfricaBackground: Postoperative pain is poorly studied in developing countries. At a Western Cape referral hospital, it was aimed to determine the incidence of acute postoperative pain, to identify populations associated with a higher risk thereof (in order to guide resource... -
The use of cash transfers for HIV prevention — are we there yet?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jessica Taaffe --- The World Bank Group, USA Nejma Cheikh --- The World Bank Group, USA David Wilson --- The World Bank Group, USAPoverty and social inequality are significant drivers of the HIV epidemic and are risk factors for acquiring HIV. As such, many individuals worldwide are at risk for new HIV infection, especially young women in East and Southern Africa. By addressing... -
New insights into HIV epidemic in South Africa: key findings from the National HIV Prevalence, Incidence and Behaviour Survey, 2012
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Khangelani Zuma --- Human Sciences Research Council, South Africa Olive Shisana --- Human Sciences Research Council, South Africa Thomas M. Rehle --- Human Sciences Research Council, South Africa Leickness C. Simbayi --- Human Sciences Research Council, South Africa Sean Jooste --- Human Sciences Research Council, South Africa Nompumelelo Zungu --- Human Sciences Research Council, South Africa Demetre Labadarios --- Human Sciences Research Council, South Africa Dorina Onoya --- Human Sciences Research Council, South Africa Meredith Evans --- Human Sciences Research Council, South Africa Sizulu Moyo --- Human Sciences Research Council, South Africa Fareed Abdullah --- South African National AIDS Council, South AfricaThis article presents key findings from the 2012 HIV prevalence, incidence and behaviour survey conducted in South Africa and explores trends in the HIV epidemic. A representative household based survey collected behavioural and biomedical data among people of all ages... -
Response of instream animal communities to a short-term extreme event and to longer-term cumulative impacts in a strategic water resource area, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SH Foord --- Department of Zoology, Chair in Biodiversity Value and Change, Centre for Invasion Biology, South Africa PSO Fouché --- Department of Zoology, South AfricaDisturbance plays an integral part in generating heterogeneity required for ecosystem persistence, but the increased amplitude and duration of disturbances linked to drivers of global change could result in ecosystem shifts or collapse. Biomonitoring over time provides insights into trajectories... -
Recent population trends of sooty and light-mantled albatrosses breeding on Marion Island
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Schoombie --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, South Africa RJM Crawford --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa AB Makhado --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, South Africa BM Dyer --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa PG Ryan --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, South AfricaSub-Antarctic Marion Island is one of the few islands where both species of Phoebetria albatrosses breed sympatrically. The last published assessment of their population trends, which reported counts up to 2008, concluded that the numbers of breeding pairs of sooty... -
Bioprocessing of jackfruit (Artocarpus heterophyllus L.) pulp into wine: Technology, proximate composition and sensory evaluation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sandeep K. Panda --- Department of Biotechnology and Food Technology, Faculty of Science, South Africa Sunil K. Behera --- Department of Metallurgy, Faculty of Engineering and the Built Environment, South Africa Umesh C. Sahu --- Department of Botany, India Ramesh C. Ray --- ICAR-Regional Centre of Central Tuber Crop Research Institute, India Eugenie Kayitesi --- Department of Biotechnology and Food Technology, Faculty of Science, South Africa A.F. Mulaba-Bafubiandi --- Department of Metallurgy, Faculty of Engineering and the Built Environment, South AfricaMajor wineries are confined to using grapes as substrate, as a result of which other fruits, especially in the tropical zone, remain underutilised. A wine, from jackfruit (Artocarpus heterophyllus L.) pulp, was prepared by fermenting with wine yeast (Saccharomyces cerevisiae)... -
Extensive netting in Albasini and Nandoni dams: a potential threat to fish as a sustainable food source in the Vhembe District, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: IEJ Barnhoorn --- Department of Zoology, South Africa JC van Dyk --- Department of Zoology, South Africa GM Wagenaar --- Department of Zoology, South AfricaFish populations in Albasini and Nandoni dams are negatively affected by extensive netting practices. This observation was made by the authors following a number of fish health assessment surveys related to aquatic pollution in the Luvuvhu River catchment. A comparison... -
Ethics misconduct among dietetic practitioners in South Africa (2007–2013)
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: N. Nortjé --- Department of Dietetics, Wa Hoffmann --- Department of Biomedical Sciences,Morals refer to a belief-derived system according to which a certain group governs its behaviour, whereas ethics is a broader term whereby belief-system-based behaviour is replaced by a generic code of behaviour, often founded in an international code. In South... -
The nutritional management of a central venous incident
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Prins --- Little Company of Mary Hospital, PretoriaA central venous incident (CVI) is the second leading cause of death worldwide, and is associated with permanent disabilities.There are many nutrition and lifestyle modifiable risk factors for a CVI. These include diabetes, and hypercholesterolaemia and hypertension, all of which... -
Constraints to the optimal breastfeeding practices of breastfeeding mothers in the rural communities of Arba Minch Zuria Woreda, Ethiopia: a community-based, cross-sectional study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: D. Tamiru --- Department of Population and Family Health, Ethiopia M. Tamrat --- Department of Population and Family Health, EthiopiaObjective: The aim of this study was to identify the constraints and factors associated with breastfeeding practices. -
From enterprise development to inclusive innovation – A systemic instruments framework for regional innovation support
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sara S (Saartjie) Grobbelaar --- Department of Industrial Engineering and DST-NRF Centre of Excellence in Scientometrics and Science, South Africa Nigel Gwynne-Evans --- Trade and Sector Development, Western Cape Department of Economic Development and Tourism, South Africa Alan C. Brent --- Department of Industrial Engineering, South AfricaAlthough the role and importance of innovation support in South Africa is a well-recognised concept on the national level, provincial governments have only recently started to debate, investigate and explore instruments through which innovation can be leveraged and supported regionally... -
Patterns of unprofessional conduct by medical practitioners in South Africa (2007–2013)1
Item type: Journal Article • Journal: South African Family Practice • Authors: Willem A Hoffmann --- Department of Biomedical Sciences, South Africa Nico Nortjé --- Department of Psychology, South AfricaA role of ethics in the medical context is to protect the interests, freedoms and well-being of patients. A critical analysis of unprofessional conduct by medical practitioners registered with the Health Professions Council of South Africa (HPCSA) requires a better... -
Cape Vulture Gyps coprotheres breeding status in southern Africa: monitoring results from 2010–2014
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kerri Wolter --- VulPro NPO, South Africa Walter Neser --- VulPro NPO, South Africa Margaret T Hirschauer --- VulPro NPO, South Africa Alvaro Camiña --- ACRENASL Environmental Consultants, SpainMonitoring of eight Cape Vulture Gyps coprotheres breeding colonies in South Africa and Botswana took place between 2010 and 2014 using standardised counting methods. Counts of breeding pairs, nestlings and fledglings were used to calculate breeding success and general population... -
Strengthening HIV surveillance: measurements to track the epidemic in real time
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Usangiphile E Buthelezi --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, South Africa Candace L Davidson --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, South Africa Ayesha BM Kharsany --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, South AfricaSurveillance for HIV as a public health initiative requires timely, detailed and robust data to systematically understand burden of infection, transmission patterns, direct prevention efforts, guide funding, identify new infections and predict future trends in the epidemic. The methods for... -
Effectiveness of early initiation of antiretroviral therapy in adults with HIV associated tuberculosis in Lesotho in 2012
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Maletsatsi Lenela --- Discipline of Public Health Medicine, School of Nursing and Public Health, Stephen Knight --- Discipline of Public Health Medicine, School of Nursing and Public Health,Background: Lesotho has a huge burden of human immunodeficiency virus associated tuberculosis (HIV-TB). In this study we compared the effectiveness of early versus late commencement of antiretroviral therapy (ART) in adults living with HIV-TB in Lesotho. -
A qualitative study of migrant-related stressors, psychosocial outcomes and HIV risk behaviour among truck drivers in Zambia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Lynn Murphy Michalopoulos --- School of Social Work, USA Nomagugu Ncube --- International Organization for Migration, Zambia Simona J. Simona --- Department of Social Development Studies, Zambia Brian Kansankala --- International Organization for Migration, Zambia Emmanuel Sinkala --- International Organization for Migration, Zambia Jasmin Raidoo --- School of Social Work, USATruck drivers are part of mobile populations which have been noted as a key population at risk of HIV in Zambia. This study was aimed at: (1) determining potentially traumatic events (PTEs), labour migrant-related stressors, psychosocial problems and HIV risk... -
Forage seed production and trade as a pathway out of poverty in the smallholder sector: lessons from the Zimbabwe Crop Livestock Integration for Food Security (ZimCLIFS) project
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Irenie Chakoma --- International Livestock Research Institute, Zimbabwe Lovemore C Gwiriri --- International Livestock Research Institute, Zimbabwe Godfrey Manyawu --- International Livestock Research Institute, Zimbabwe Sikhalazo Dube --- International Livestock Research Institute, Zimbabwe Mercy Shumba --- Community Technology Development Organisation, Zimbabwe Aleck Gora --- Cluster Agricultural Development Services, ZimbabweThe major challenge to adoption of improved forage technologies in the smallholder farming sector is poor accessibility to seed of improved cultivars. Since 2012, the Zimbabwe Crop Livestock Integration for Improved Food Security (ZimCLIFS) project set out to address such... -
Development of an innovative eco-friendly rice puffing machine for modernizing a traditional cottage industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Manoj KR. Bhattacharyya --- RuTAG-EI (Rural Technology Action Group – Eastern India) IIT (Indian Institute of Technology), India Manjishtha Bhattacharyya --- Department of Zoology, IndiaTraditional enterprises are economically less viable although they impact the environment less adversely. Modern industries that have replaced traditional skills for mass manufacture of the same products are capital intensive and more polluting. A midway is essential that can upgrade... -
The effects of education and income on consumers' motivation to read online hotel reviews
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Anna Engelbertink --- Stenden Hotel Management School, The Netherlands Schevaa van Hullebusch --- Stenden Hotel Management School, The NetherlandsAn increasing number of consumers are using the Internet for online advice and recommendations. Consumers read these electronic word-of-mouth (eWOM) comments for various reasons. The current study is an extension to that of Kim, Mattila, and Baloglu (2011)1, with the... -
The ethics of an all-inclusive plan: An investigation of social sustainability in the case of all-inclusive resorts, Jamaica
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Gaurav Chawla --- Swiss Hotel Management School, Switzerland Marcelina Wanjiru Ndung'u --- Swiss Hotel Management School, SwitzerlandEthics and sustainability are commonly used catchphrases in the modern business world. As several hospitality entities go out of their way to provide the emergent pro-environmentalist guest with value-added ‘green’ goods and services, others are forced to re-analyse their operational... -
Wasted millions: Revenue management in Dutch culinary restaurants
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Bill Rowson --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Wouter van Poppel --- Het Concertgebouw, The Netherlands Sjoerd Gehrels --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsThe concept of revenue management is widely adopted in various industries including the hospitality industry. Yet, its application to the restaurant industry has been limited. Especially culinary restaurants appear to be a somewhat unexplored area of study, thus indicating a... -
Vestigial appendicular skeletons in the African and Malagasy skink species Feylinia grandisquamis, Melanoseps ater, Grandidierina lineata and Voeltzkowia mira
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Rachel Liniewski --- , , USA Shane Stanley --- , USA Julia Andrade --- , , USA Phil Senter --- , , USAVestigial appendicular skeletons are present but have not previously been described and illustrated in the skink species Feylinia grandisquamis and Melanoseps ater. Vestigial appendicular skeletons have been described and illustrated in only one specimen of Grandidierina lineata and in a... -
Clutch, egg and hatchling characteristics in the Souss Valley tortoises, Testudo graeca soussensis Pieh, 2001 (Testudines: Testudinidae) from an arid steppe-land of west-central Morocco
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Nawal Hichami --- , , Morocco Mohammed Znari --- , , Morocco Mohamed Naimi --- , , Morocco Salwa Namous --- , , MoroccoClutch, egg and hatchling characteristics in the Souss Valley tortoises Testudo graeca soussensis (Testudinidae) from an arid steppe area of west-central Morocco were investigated in semi captivity in spring–early summer 2011. Mating activity occurs twice in the year, mainly in... -
On the taxonomic status of two enigmatic southern African fossorial skinks, Scelotes bicolor and S. schebeni
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Aaron M. Bauer --- , , USAThe nominal taxa Scelotes bicolor and Scelotes schebeni are known only from their respective type specimens, both now lost, and they have been regarded as species inquirendae. A review of available data confirms that earlier synonymisations with S. arenicola and... -
Appendicular skeleton of the vestigial-limbed African skink Eumecia anchietae
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Shane G. Stanley --- , , USA Rachel M. Liniewski --- , , USA Philip J. Senter --- , , USAWithin the lizard family Scincidae (the skinks) are numerous examples of species with vestigial limbs and girdles, but these vestigial structures remain undescribed for many such species. Here we seek to partially fill this gap in knowledge by describing the... -
Double trouble: hoarseness and Horner’s after supraclavicular brachial plexus block
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Rohini Mayur Balaji --- Kauvery Hospital, India Khaja Mohideen Sherfudeen --- Kauvery Hospital, India Senthil Kumar --- Kauvery Hospital, IndiaSupraclavicular brachial plexus block is a popular procedure for surgeries of the upper limb. Although separate instances of Horner’s syndrome and recurrent laryngeal nerve palsies have been previously reported with this approach and one combined incidence has been reported following... -
University-driven inclusive innovations in the Western Cape of South Africa: Towards a research framework of innovation regimes
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sara Grobbelaar --- DST-NRF CoE in Scientometrics and Science, Technology and Innovation Policy, South Africa Robert Tijssen --- Centre for Research on Evaluation, Science and Technology (CREST), South Africa Marjolijn Dijksterhuis --- Stellenbosch Business School, South AfricaInclusive innovation refers to the improvement of living conditions and creation of employment opportunities for the poor through the development or co-creation of new products, services, processes and business models aimed at resource poor communities. Based on an empirical study... -
Section 12M contributions in terms of the Income Tax Act No. 58 of 1962: Normal tax implications for the retired employee
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E van Wyk --- School of Accountancy, Faculty of Economic and Management Sciences, M Terblanche --- Ducharme Consulting, South AfricaSection 12M of the Income Tax Act No. 58 of 1962 allows a normal tax deduction for employers who pay the post-retirement medical contributions by way of lump sum payments on behalf of retired employees. Although a full deduction is... -
A critical analysis of ‘received by or accrued to’ as contemplated in the ‘gross income’ definition in section 1 of the Income Tax Act with reference to the Consumer Protection Act
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: C Thiart --- University of Stellenbosch, South AfricaThe introduction of the Consumer Protection Act 68 of 2008 has had significant implications for the South African commercial arena. This Act forms part of government regulation and is aimed at protecting the rights of consumers. -
Characterisation of pigeon pea (Cajanus cajan) landraces grown in two climatic zones in KwaZulu-Natal province, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Lindah L Hluyako --- Discipline of Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Alfred O Odindo --- Discipline of Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Paramu Mafongoya --- Discipline of Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Nkanyiso J Sithole --- Discipline of Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Lembe S Magwaza --- Discipline of Crop Science, School of Agricultural, Earth and Environmental Sciences, South AfricaPigeon pea is an important legume in arid and semi-arid areas of the Sub-Saharan Africa. Knowledge of adaptation characteristics of genotypes would significantly enhance its production in diverse environments of the region. Field experiments were conducted at two sites, namely... -
Assessment of three-year DBH and height data and genetic gain prediction for five Acacia mearnsii (black wattle) subpopulations in South Africa using REML/BLUP
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: SL Beck J de Guisti AK Louw MDV ResendeRecent research has shown Acacia mearnsii (black wattle) to be a source of high-quality pulp. This led to a change in the emphasis in the breeding programme at the Institute for Commercial Forestry Research, from improving bark yield and quality,... -
Photosynthesis versus irradiance relationships in the Atlantic sector of the Southern Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Thomalla --- Ocean Systems and Climate Group, South Africa E Kean --- Biological Sciences Department, South Africa M Lucas --- Biological Sciences Department, South Africa M-J Gibberd --- Biological Sciences Department, South Africa R Barlow --- Department of Oceanography, South AfricaEleven incubation experiments were conducted in the South Atlantic sector of the Southern Ocean to investigate the relationship between new production (ρNO–3), regenerated production (ρNH+4), and total carbon production (ρC) as a function of varying light. The results show substantial... -
Business Incubation in Dar es Salaam
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kristina Henricson Briggs --- Entrepreneurship and Strategy, SwedenBusiness incubation is increasingly emphasized on development agendas globally as a tool for entrepreneurship, employment and economic growth. Previous studies focus on comparing European and US business incubators, and outcomes of business incubation in sub-Saharan African settings are comparatively unknown... -
A review of interprovincial variations in HIV prevalence rates in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Elisa Sibanda --- Department of Development Studies, South Africa Prudence Khumalo --- Department of Public Administration, South AfricaDespite the proven remarkable decline of HIV prevalence in the sub-Saharan Africa region, both sub-regional and within-country disparities in HIV prevalence persist. This paper is a survey of literature on HIV prevalence and spread in Zimbabwe, focusing on provincial differences... -
Selection of drought-tolerant tef (Eragrostis tef) genotypes using drought tolerance indices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Mizan Tesfay Abraha --- African Centre for Crop Improvement, South Africa Hussein A Shimelis --- African Centre for Crop Improvement, South Africa Mark D Laing --- African Centre for Crop Improvement, South Africa Kebebew Assefa --- Debre-Zeit Agricultural Research Centre, EthiopiaDrought stress is one of the major abiotic constraints affecting production and productivity of tef (Eragrostis tef). Genetic resources and selection methodologies are among the prerequisites to improve the efficiency of breeding for drought tolerance. The objectives of this study... -
Incidence and pattern of tuberculosis treatment success rates in different levels of the human development index: a global perspective
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Salman Khazaei --- Department of Epidemiology, Iran Shahab Rezaeian --- Research Center for Environmental Determinants of Health (RCEDH), Iran Vali Baigi --- Department of Epidemiology and Biostatistics, Iran Mohammad Saatchi --- Department of Epidemiology and Biostatistics, Iran Leila Molaeipoor --- Department of Epidemiology, Iran Zaher Khazaei --- Social Determinants of Health Research Center, Iran Somayeh Khazaei --- Faculty of Paramedical Science, Department of Operating Room, Iran Owais Raza --- Department of Epidemiology and Biostatistics, IranBackground: Tuberculosis (TB) treatment success rate remains a public health challenge in many developed and developing countries. The correlation between the incidence and pattern of TB and the Human Development Index (HDI) has not been globally determined. This study aimed... -
Principals’ experiences of being disempowered by union members
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chris Myburgh --- Department of Educational Psychology, South Africa Marie Poggenpoel --- Department of Educational Psychology, South Africa Veronica Mapitso Kgabo --- Department of Educational Psychology, South AfricaThis study explored school principals’ experience of managing unionised schools in South Africa. Qualitative in-depth phenomenological interviews were conducted with a purposeful selected sample of 13 school principals of unionised schools (age range 36-60 years). The school principals responded to... -
Tono Reservoir fishery contribution to poverty reduction among fishers in northern Ghana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DN Akongyuure --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, Ghana S Amisah --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, Ghana TK Agyemang --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, Ghana RE Edziyie --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, GhanaFishery characteristics and livelihood status of fishers at Tono Reservoir, Ghana, were investigated between January 2015 and June 2016. Data on fisher demography, fishing gears, fishing methods, perceptions of the state of fish stocks, management practices, income and consumption of... -
Innovation for inclusive development, public policy support and triple helix: perspectives from BRICS
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chux U. Daniels --- SPRU – Science Policy Research Unit, UK Olga Ustyuzhantseva --- Research Centre for Policy Analysis and Studies of Technologies, Russian Federation Wei Yao --- Research Institute for Development Strategy (RIDS), Zhejiang University, China P.RThis paper investigates the role of innovation in (inclusive) development – subsequently referred to as innovation for inclusive development (IID) and the links to public policy in BRICS (Brazil, Russia India, China and South Africa) countries. To achieve this aim,... -
Vicarious traumatisation experiences among South African Police Service members in a rural setting: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- Department of Psychology, South AfricaThe objective of this study was to explore the vicarious traumatisation experiences of South African Police Service members serving in a rural community. The participants consisted of 17 purposively selected police members (females = 4; age range 27 to 55;... -
The rediscovery of a lost frog: Arthroleptis troglodytes Poynton, 1963
Item type: Journal Article • Journal: African Zoology • Authors: Francois S Becker --- Gobabeb Research and Training Centre, Namibia Robert W Hopkins --- Natural History Museum of Zimbabwe, ZimbabweThe cave squeaker Arthroleptis troglodytes Poynton, 1963 was first collected in 1961/62, and not observed again for 54 years despite several attempts to locate it. We rediscovered this species near the type locality in the Chimanimani mountain range in eastern... -
Spatial variability of selected soil micronutrients under smallholder crop production in Zanyokwe, Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Alen Manyevere --- Department of Agronomy, South Africa Pardon Muchaonyerwa --- Discipline of Soil Science, School of Agriculture, Earth and Environmental Sciences, South Africa Pearson NS Mnkeni --- Department of Agronomy, South Africa Inos Dhau --- Department of Geography and Environmental Sciences, South AfricaUnderstanding spatial variability of soil nutrients, including that of micronutrients, is important for establishing best management practices in smallholder crop production. The objective of this study was to determine the status and spatial variability of potentially available zinc (Zn), copper... -
Preliminary evaluation of seed and germination traits in cowpea (Vigna unguiculata) genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Abe S Gerrano --- Agricultural Research Council–Vegetable and Ornamental Plant Institute, South Africa Willem S Jansen van Rensburg --- Agricultural Research Council–Vegetable and Ornamental Plant Institute, South Africa Patrick O Adebola --- Agricultural Research Council–Vegetable and Ornamental Plant Institute, South AfricaCowpea is a valuable crop for subsistence farmers in South Africa. Seed quantitative traits and germination parameters are important for good establishment of the crop, therefore the variation for these traits were determined for 44 cowpea genotypes. A field experiment... -
Black Sparrowhawk Accipiter melanoleucus breeding behaviour and reproductive success in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Erin P Wreford --- School of Life Sciences, South Africa Lorinda A Hart --- School of Life Sciences, South Africa Mark Brown --- School of Life Sciences, South Africa Colleen T Downs --- School of Life Sciences, South AfricaBlack Sparrowhawk Accipiter melanoleucus breeding behaviour and nest success was determined using camera traps and field observations in KwaZulu-Natal, South Africa. Nest preparation was done predominantly by the male with incubation and brooding largely performed by the female. Brooding duration... -
Empowering caregivers of orphans and vulnerable children in Swaziland
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Syloid Choice Makufa --- Pact, Swaziland Daisy Kisyombe --- Pact, Swaziland Nicole Miller --- Pact, Swaziland Nanette Barkey --- Pact, USAThis paper reports on the health and psychosocial impacts of a programme designed to economically empower female caregivers of orphans and vulnerable children (OVC). The results presented are from a cohort of 492 female caregivers who participated in savings groups... -
Use of otolith-shape analysis for stock discrimination of Boops boops along the Algerian coast (southwestern Mediterranean Sea)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Ider --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Z Ramdane --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria K Mahé --- Laboratoire Ressources Halieutiques de Boulogne, France JL Duffour --- Laboratoire Ressources Halieutiques de Boulogne, France M Bacha --- Laboratoire d’Océanologie et de Géosciences – Centre National de la Recherche Scientifique (CNRS), France R Amara --- Laboratoire d’Océanologie et de Géosciences – Centre National de la Recherche Scientifique (CNRS), FranceOtolith-shape analysis was examined to determine its utility for biological stock identification of the bogue Boops boops along the Algerian coast of the Mediterranean Sea. The outlines of 179 sagittal otolith pairs from fish collected at three locations (Oran, Bejaia... -
An analysis of the development influences of the low-income cover market-end in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bibi. Z. Chummun --- Graduate School of Business, South AfricaThe National Treasury and Financial Services Board in 2011 highlighted the urgent need of an inclusive insurance sector for low-income households known as microinsurance. The ‘insurance gap’ representing many low-income earners who are still uninsured remains a challenge in South... -
Invasive and non-invasive group A β-haemolytic streptococcal infections in patients attending public sector facilities in South Africa: 2003–2015
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Dylan Barth --- Department of Medicine, South Africa Bongani M Mayosi --- Department of Medicine, South Africa Motasim Badri --- College of Medicine, Kingdom of Saudi Arabia Andrew Whitelaw --- Department of Microbiology, National Health Laboratory Service, South Africa Mark E Engel --- Department of Medicine, South AfricaBackground: The burden of disease caused by group A streptococcus (GAS) in Africa is largely unknown. The aim of this study was to determine the incidence of invasive (iGAS) and non-invasive GAS (non-iGAS) infections in patients attending the public health... -
Becoming and unbecoming farm workers in Southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Maxim Bolt --- Department of African Studies and Anthropology, United KingdomMore than most forms of employment in Southern Africa, farm work seems to evoke the past. Recent events, however, have foregrounded global integration and cost-cutting casualisation as much as plantation-style racialised hierarchies. Legacies of farmer paternalism, themselves shaped by workers’... -
An investigation into the normal tax implications of a carried interest in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Ellané van Wyk --- Department of Accounting, South Africa Tertius Troost --- Mazars, South Africa‘Carried interest’ is not defined in the South African Income Tax Act 58 of 1962 as amended (the Act), nor has it been subject to scrutiny in South African courts. Uncertainty prevails regarding the classification of a carried interest for... -
Share-based incentives for South African CEOs: Trends 2002−2015
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Gretha Steenkamp --- School of Accountancy, South Africa Nicolene Wesson --- Business School, South AfricaShare-based incentives, which theoretically align executive and shareholders’ interests (agency theory), comprise a significant portion of executive remuneration. Detractors propose that such incentives could allow rent extraction (managerial power theory). To enable proper governance, stakeholders (both shareholders and regulators) need... -
The performance of European SRI funds investing in bonds and their comparison to conventional funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Paulo Leite --- Applied Management Research Unit (UNIAG), Portugal Maria Céu Cortez --- NIPE – School of Economics and Management, PortugalThis paper evaluates the performance of European SRI fixed-income funds domiciled in France and in Germany compared to characteristics-matched conventional funds. Fund performance is evaluated by means of conditional multi-factor models that allow for both time-varying risk and performance. The... -
The influence of lotteries on employees’ workplace HIV testing behaviour
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Martin Weihs --- Social Aspects of HIV/AIDS Research Alliance (SAHARA) and HIV/AIDS, South Africa Anna Meyer-Weitz --- School of Applied Human Sciences, South Africa Friederike Baasner-Weihs --- Nelson Mandela University, South AfricaThe aim of the study was to understand how lottery incentives influenced the HIV counselling and testing (HCT) behaviour and behaviour intention of shop-floor workers who participated in a workplace HCT campaign initiative in two companies in the Nelson Mandela... -
A productivity model for first thinning of Pinus patula using a tractor and double-drum winch in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Thabo Moloi --- Forest Postgraduate Programme, South Africa Michal Brink --- Forest Postgraduate Programme, South Africa Paxie W Chirwa --- Forest Postgraduate Programme, South Africa Elisha Ngulube --- Department of Forestry, MalawiThe productivity of skidding tractors in intermediate harvesting operations has not been determined in Mpumalanga, South Africa. The objective of this study was to develop a productivity model using a farm tractor in first thinning operations in Pinus patula compartments... -
Self-mythologization in East African Political Writings: Kenyatta, Nyerere and Museveni
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Stephen Muthoka Mutie --- Department of Communication and Literary Studies, KenyaA particular kind of debate has been raising dust, especially after what seems largely as the inability of the first independent African leaders to put an end to the unholy trio of poverty, illiteracy and disease, and thus to open... -
Unemployment experiences in context: A phenomenological study in two townships in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinda du Toit --- Optentia Research Focus Area, South Africa Hans De Witte --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South Africa Anja Van den Broeck --- Optentia Research Focus Area, South AfricaThis study aimed to explore the unemployment experience of residents of a historically disadvantaged South African neighbourhood. Informants were twelve black community members (females = 75%; age ranges: 20 to 29 = 58.3%, and 30 to 39 = 33.3%). Individual interviews were conducted with the participants... -
Contrasting invasion patterns in intertidal and subtidal mussel communities
Item type: Journal Article • Journal: African Zoology • Authors: Lisa Skein --- Department of Botany and Zoology, South Africa Mhairi Alexander --- School of Science and Sport, UK Tamara Robinson --- Department of Botany and Zoology, South AfricaTwo invasive mussel species are known from South Africa, Mytilus galloprovincialis and Semimytilus algosus. Most of the existing research on these invaders has focused on the intertidal zone, with little attention paid to subtidal habitats. This study addresses this knowledge... -
Morphometric characterisation of Scutellonema bradys populations from the Guinea Savanna and Transitional Rain Forest ecological zones of Ghana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Seloame Tatu Nyaku --- Department of Crop Science, College of Basic and Applied Sciences, Ghana Yahaya Saaka Jamani --- Department of Crop Science, College of Basic and Applied Sciences, Ghana Eric Cornelius --- Department of Crop Science, College of Basic and Applied Sciences, Ghana Hanif Lutuf --- Department of Crop Science, College of Basic and Applied Sciences, GhanaYam (Dioscorea spp.) forms a large portion of Ghanaian diets and is cultivated in most regions. However, yam is highly susceptible to parasitism by the yam nematode, Scutellonema bradys. Ten major yam communities from 10 districts (Yendi, Karaga, East Gonja,... -
Impacts of alien ‘ecosystem engineers’ overwhelm interannual and seasonal shifts in rocky-shore community composition on Marcus Island, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Sadchatheeswaran --- Department of Biological Sciences and Marine Research Institute, South Africa GM Branch --- Department of Biological Sciences and Marine Research Institute, South Africa CL Moloney --- Department of Biological Sciences and Marine Research Institute, South Africa TB Robinson --- Department of Botany and Zoology, South AfricaThe South African coastline has been invaded by numerous alien species. Rare pre-invasion (1980) and post-invasion datasets (2001 and 2012) exist for Marcus Island, a small land-tied island in Saldanha Bay, South Africa. These snapshot datasets of the island’s intertidal... -
Innovative solutions and women empowerment: Implications for sustainable development goals in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yetunde A. Aluko --- Nigerian Institute of Social and Economic Research (NISER), Nigeria Oluwakemi B. Okuwa --- Nigerian Institute of Social and Economic Research (NISER), NigeriaThis paper presents an analysis of patterns of university interaction for innovation that engenders inclusive development in Nigeria. Specifically, it explains innovative solutions for women empowerment that occurred through interaction between the University of Ibadan and the Ile-Ogbo community and... -
Carbon stocks and productivity of mangrove forests in Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Marco A Njana --- National Carbon Monitoring Centre, Tanzania Eliakimu Zahabu --- National Carbon Monitoring Centre, Tanzania Rogers E Malimbwi --- Department of Forest Mensuration and Management, TanzaniaMangroves offer a number of ecosystem goods and services, including carbon (C) storage. As a carbon pool, mangroves could be a source of CO2 emissions as a result of human activities such as deforestation and forest degradation. Conversely, mangroves may... -
Together we stand stronger
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marco Bevolo --- Academy for Leisure, The Netherlands Anique Gerrits --- Academy for Leisure, The NetherlandsThis is an action research case study investigating social participation roadblocks and opportunities through leisure-related factors for Eritrean refugee status holders in the city of Nijmegen, the Netherlands. The intent of this paper is to report on challenges and opportunities... -
Surgical outcomes in eastern Uganda: a one-year cohort study
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: A Hewitt-Smith --- Faculty of Health Sciences, Uganda F Bulamba --- Faculty of Health Sciences, Uganda C Olupot --- Mbale Regional Referral Hospital, Uganda F Musana --- Faculty of Health Sciences, Uganda JP Ochieng --- Faculty of Health Sciences, Uganda MS Lipnick --- Department of Anesthesia and Perioperative Care, USA RM Pearse --- Barts and The London School of Medicine & Dentistry, UKIntroduction: There is urgent need to improve access to safe surgical treatments for patients in low- and middle-income countries (LMICs). However, few data exist to characterise clinical outcomes for this patient population. -
Sources of fish in the ephemeral western iishana region of the Cuvelai–Etosha Basin in Angola and Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MHT Hipondoka --- Department of Geography, History and Environmental Studies, Namibia BCW van der Waal --- Department of Zoology, South Africa MH Ndeutapo --- Independent Researcher, Angola L Hango --- Ministry of Agriculture, Water and Forestry, Department of Water Affairs and Forestry, NamibiaThe triangle between the Kavango and Kunene rivers is drained by the Cuvelai, an ephemeral and deltaic drainage system covering more than 100 000 km2. In good rainfall years, the area becomes populated by fish communities dominated by five species... -
Deployment factors for mobile business intelligence in developing countries small and medium enterprises
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tope Samuel Adeyelure --- Department of Informatics, South Africa Billy Mathias Kalema --- Department of Informatics, South Africa Kelvin J. Bwalya --- School of Consumer Intelligence and Information Systems, South AfricaData are more rapidly generated than they can be digested and consumed in real time due to the increased mobility and automation of activities of small and medium enterprises (SMEs). These challenges could be avoided if SMEs in developing countries... -
Systemic policy instruments for inclusive innovation systems: Case study of a maternal mHealth project in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edward van der Merwe --- Centre for Research on Evaluation, South Africa Sara S (Saartjie) Grobbelaar --- Department of Industrial Engineering, South AfricaInnovation for inclusive development refers to the development of products and services for and/or by marginalized communities with the aim of improved economic and social welfare. Innovation systems present a framework for analyzing actors, institutions, interlinkages and societal subsystems that... -
Executive performance evaluation and remuneration: Disclosure and practices of selected listed South African companies (2002−2015)
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Nadia Mans-Kemp --- , South Africa Suzette Viviers --- , South AfricaGiven growing inequality in South Africa, shareholders are increasingly questioning the size and composition of executive remuneration packages. They are also demanding greater transparency on the criteria and processes used to award performance incentives. The researchers hence investigated the extent... -
Sensitivity of selected chemical and biological soil quality parameters to tillage and rotational cover cropping at the Zanyokwe Irrigation Scheme, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Arnold N Njaimwe --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Pearson NS Mnkeni --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Pardon Muchaonyerwa --- School of Agricultural, Earth and Environmental Sciences, South Africa Cornelius Chiduza --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Isaiah IC Wakindiki --- Department of Agronomy, Faculty of Science and Agriculture, South AfricaSustainable management of soils requires knowledge of the impact of agronomic practices such as tillage and crop rotation on soil quality. The objective of this study was to identify soil chemical and biological soil attributes with high sensitivity to tillage... -
Heavy metal concentrations in water and sediment of the Steelpoort River, Olifants River System, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Addo-Bediako --- Department of Biodiversity, South Africa K Matlou --- Department of Biodiversity, South Africa E Makushu --- Department of Biodiversity, South AfricaSteelpoort River has been adversely affected by human activities in the catchment. Water and sediment quality of the river was assessed in 2015. The concentrations of some of the metals in water were found to be high and exceeded the... -
The energetic significance of communal roosting and insulated roost nests in a small arid-zone passerine
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nevanya Lubbe --- DST-NRF Centre of Excellence at the FitzPatrick Institute, Department of Zoology and Entomology, South Africa Zenon J Czenze --- School of Biological Sciences, New Zealand Matthew J Noakes --- DST-NRF Centre of Excellence at the FitzPatrick Institute, Department of Zoology and Entomology, South Africa Andrew E McKechnie --- DST-NRF Centre of Excellence at the FitzPatrick Institute, Department of Zoology and Entomology, South AfricaSmall endotherms have evolved behavioural mechanisms for reducing rest-phase energy expenditure, which reduce the likelihood of mismatches between energy supply and demand during periods of cold weather and/or food scarcity. Although the energetic consequences of communal roosting and the use... -
Hypotension during spinal anaesthesia for Caesarean section in a resource-limited setting: towards a consensus definition
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: SF Zwane --- Discipline of Anaesthesia and Critical Care, South Africa DG Bishop --- Department of Anaesthetics, Critical Care and Pain Management, South Africa RN Rodseth --- Department of Anaesthetics, Critical Care and Pain Management, South AfricaBackground: Intraoperative hypotension following spinal anaesthesia for Caesarean section is associated with maternal morbidity and mortality. Because of inconsistent definitions the reported incidence of hypotension varies between 7% and 74%, making it almost impossible to set standard targets. Developing and... -
The effect of fire history on soil nutrients and soil organic carbon in a semi-arid savanna woodland, central Namibia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Elise Nghalipo --- Department of Agriculture and Natural Resources Sciences, Namibia Dave Joubert --- Department of Agriculture and Natural Resources Sciences, Namibia Heather Throop --- School of Earth and Space Exploration and School of Life Sciences, USA Alexander Groengroeft --- Institute of Soil Science, GermanyFire is an integral part of savanna ecosystems that has shaped these systems since the Miocene. Substantial uncertainty about fire effects in semi-arid ecosystems exists. Fire may affect ecosystem productivity directly through nutrient volatilisation, increased mineralisation and altering organic matter... -
Kipchamba Arap Tapotuk’s Music: Oral Narratives, (Hi)story and Culture of the Kalenjin People
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Charles Kipng’eno Rono --- Literature, Theatre and Film, KenyaFocusing on the Koilong’eet Band, this paper is an interrogation of how the selected songs by Kipchamba Arap Tapotuk incorporate Kalenjin oral techniques to create a space for narrating the past and the culture of the Kalenjin people. By conducting... -
The attitudes of riparian communities to the presence of water hyacinth in the Wouri River Basin, Douala, Cameroon
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SN Kenfack Voukeng --- Department of Zoology and Entomology, South Africa P Weyl --- Department of Zoology and Entomology, South Africa MP Hill --- Department of Zoology and Entomology, South Africa N Chi --- Watershed Task Group Coordinator (WTG), CameroonSince publication of the first record of Eichhornia crassipes in Cameroon in 1997, the weed has become highly invasive in the Wouri River Basin. Between June and September 2014, a socio-economic survey using participatory and qualitative methods was undertaken in... -
The role of fish-poultry integration on fish growth performance, yields and economic benefits among smallholder farmers in sub-Saharan Africa, Tanzania
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AP Shoko --- Tanzania Fisheries Research Institute, Tanzania SM Limbu --- Department of Aquatic Sciences and Fisheries Technology, Tanzania HA Lamtane --- Department of Animal, Aquaculture and Range Sciences, Tanzania MA Kishe-Machumu --- Tanzania Fisheries Research Institute, Tanzania B Sekadende --- Tanzania Fisheries Research Institute, Tanzania EE Ulotu --- Tanzania Fisheries Research Institute, Tanzania JC Masanja --- Kilombero District Council, Tanzania YD Mgaya --- Department of Aquatic Sciences and Fisheries Technology, TanzaniaAquaculture practices from sub-Saharan Africa are characterised by low production, owing to improper technology. Production can be increased through integrating fish farming with other existing on-farm activities, particularly livestock husbandry. We assessed the role of fish-poultry integration on all male... -
Temporal analysis of electricity consumption for prepaid metered low- and high-income households in Soweto, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Njabulo Kambule --- Department of Geography, Environmental management and Energy Studies, South Africa Kowiyou Yessoufou --- Department of Geography, Environmental management and Energy Studies, South Africa Nnamdi Nwulu --- Department of Electrical & Electronic Engineering Science, South Africa Charles Mbohwa --- School of Mechanical and Industrial Engineering, South AfricaThis study explores the temporal trend in electricity consumption since the introduction of prepaid metres in low-income households of Soweto and compares the findings with high-income households. Monthly electricity consumption data (over 96 months: 2007–2014) for 4427 households in Soweto,... -
Morphological and molecular characterization of Glossidium pedatum Looss, 1899 and Orientocreadium batrachoides Tubangui, 1931 from sharptooth catfish, Clarias gariepinus (Burchell, 1822)
Item type: Journal Article • Journal: African Zoology • Authors: José Chissiua Dumbo --- Department of Zoology, South Africa Quinton Marco Dos Santos --- Department of Zoology, South Africa Annemariè Avenant-Oldewage --- Department of Zoology, South AfricaThe superfamily Plagiorchioidea has a considerable number of genera and species with great uncertainty of their phylogenetic position. The objectives of the current study were to specifically describe the morphology and determine for the first time the phylogenetic position of... -
Management of the Global Fund aid programme in Botswana: challenges and prospects for health services delivery
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Dintle Molosiwa --- Chemonics International Inc., Botswana Tyanai Masiya --- School of Public Management and Administration, South Africa Godfrey Maringira --- School of Humanities, Anthropology, South AfricaThis paper examines the institutional management of the Global Fund to Fight AIDS, Tuberculosis and Malaria (GFATM) in Botswana. We analyse the often contested roles of the state and non-governmental organisations (NGOs) as recipients of GFATM and partners in extending... -
The impact of educational attainment on household poverty in South Africa: A case study of Limpopo province
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fru Awah Wanka --- Institute for Social Development, South Africa Ravinder Rena --- NWU Business School, South AfricaThe provision of education in South Africa during the apartheid regime was poor, particularly for the African population and especially those living in the homelands. This has hindered those lacking the required skills from obtaining lucrative employment and earning prospects... -
Incidence and Severity of Common Bean (Phaseolus vulgaris L.) Pests in Agro-Ecological Zones and Farming Systems of Western Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: JO Ogecha --- Kenya Agricultural and Livestock Research Organization, Kenya W Arinaitwe --- International Centre for Tropical Agriculture, Kampala Uganda JW Muthomi --- Department of Crop Protection, Kenya V Aritua --- International Centre for Tropical Agriculture, Kampala Uganda JN Obanyi --- Kenya Agricultural and Livestock Research Organization, KenyaInfestation by insect pests is a serious problem in legume up scaling activities and a threat to future production in Kenya. The survey aimed at determining incidence and severity of insect pests of common beans in different districts and agro-ecological... -
Corporate effective tax rates: An exploratory study of South African listed firms
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Cecileen Greeff --- School of Accountancy, Faculty of Economic and Management Sciences, South AfricaThe corporate effective tax rates (ETRs) of South African firms listed on the Johannesburg Stock Exchange (JSE) were examined for the period 2009 to 2017 to determine if there were any changes over this period. The study further investigated the... -
Parental care in a sexually monomorphic, ground-nesting passerine, the Pink-billed Lark Spizocorys conirostris (Alaudidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: G Derek Engelbrecht --- Department of Biodiversity, School of Molecular and Life Sciences, South Africa Sean M Marr --- Department of Biodiversity, School of Molecular and Life Sciences, South AfricaWithin the family Alaudidae, most monomorphic species exhibit some degree of biparental care, but direct paternal care in most species is confined to food provisioning to offspring during the nestling period. Uniquely, the genus Spizocorys is the only sexually monomorphic... -
Progress in diabetes care in the KwaZulu-Natal public health sector: a decade of analysis
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: N Sahadew --- Clinical and Professional Practice, Nelson R Mandela School of Medicine, South Africa VS Singaram --- Clinical and Professional Practice, Nelson R Mandela School of Medicine, South AfricaAims: This study analysed diabetes-related information routinely collected by the KwaZulu-Natal (KZN) Department of Health (DOH). -
Willingness to establish private forest plantations among households in Oyo State Nigeria
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Sarafat Ayanfunke Tijani --- Department of Agricultural Extension and Rural Development, NigeriaThis study investigates the willingness of the respondents to establish private forest plantations (PFPs) in Oyo State, Nigeria. Two purposively selected and two randomly selected local government areas were used. One hundred and sixty household heads randomly selected were interviewed... -
Workplace incivility and organisational identification: The role of affective organisational commitment and perceived insider status
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ju Guo --- School of Economics and Management, China Yanjun Qiu --- Department of Strategy and Discipline, ChinaWe investigated the mediating role of affective organisational commitment (AC) and the moderating role of perceived insider status (PIS) on the relationship between workplace incivility (WINC) and organisational identification (OID). A total of 417 employees from 66 private Chinese universities... -
Using information on ART costs and benefits to mobilise resources – comparing different methods and contexts
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anthony Kinghorn --- Perinatal HIV Research Unit, South AfricaSustaining HIV and AIDS responses depends on a mix of donor, government and private funders. Their decisions about investing in HIV treatment may be informed by various types of economic evaluations, which may be more or less useful for different... -
Conceptual framework for the evaluation of sugar tax systems
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Marese Lombard --- School of Accountancy, Faculty of Economic and Management Sciences, South Africa Alta Koekemoer --- School of Accountancy, Faculty of Economic and Management Sciences, South AfricaThe World Health Organization has urged countries to implement a sin tax on items containing high levels of sugar to address the current worldwide obesity epidemic. Consequently, sugar taxes have become increasingly popular. However, many sugar tax systems are implemented... -
Validation of the periodicity of growth zone deposition in otoliths of two large endemic Labeobarbus species in Lake Tana, Ethiopia
Item type: Journal Article • Journal: African Zoology • Authors: Shewit Gebremedhin --- Department of Animal Science and Aquatic Ecology, Belgium Karen Bekaert --- Flanders Research Institute for Agriculture, Fisheries, and Food (ILVO), Belgium Abebe Getahun --- Department of Zoological Sciences, Ethiopia Stijn Bruneel --- Department of Animal Science and Aquatic Ecology, Belgium Wassie Anteneh --- Department of Biology, Ethiopia Els Torreele --- Flanders Research Institute for Agriculture, Fisheries, and Food (ILVO), Belgium Peter Goethals --- Department of Animal Science and Aquatic Ecology, BelgiumAlthough validation of the rate of growth zone deposition is a prerequisite for accurate age estimation, such studies are non-existent for the endemic Labeobarbus species in Lake Tana. Therefore, the aim of the current study was to validate the periodicity... -
Nutritional values and chemical composition of tropical pastures as potential sources of α-tocopherol and condensed tannin
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jalise F Tontini --- Graduate Program in Animal Science, Agronomy College, Brazil Cesar HEC Poli --- Graduate Program in Animal Science, Agronomy College, Brazil Viviane S Hampel --- Graduate Program in Animal Science, Agronomy College, Brazil Alessandro P Minho --- Embrapa Southeast Livestock, Brazilian Agricultural Research Corporation, Ministry of Agriculture, Brazil James P Muir --- Texas AgriLife Research, USATropical pastures can be important natural sources of antioxidant compounds and may impact production and quality of animal protein with repercussions on human health. The objective of this study was to evaluate the concentrations of α-tocopherol, condensed tannin (CT) and... -
Blockchain and catching-up in developing countries: The case of financial inclusion in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Roberto Mavilia --- ICRIOS – Invernizzi Center for Research on Innovation, Organization, Strategy and Entrepreneurship – Bocconi University, Italy Roberta Pisani --- MEDAlics – Research Center for Mediterranean Relations, ItalyBlockchain technology, born as a tool to support Bitcoins (the most popular and controversial cryptocurrency in the world) has set itself in a very short time as a disruptive technology able not only to revolutionize existing businesses but also to... -
Youth, unemployment and incubation hubs in Southwest Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olayinka Akanle --- Department of Sociology, Faculty of Humanities, South Africa Abraham Omotayo --- Department of Sociology, Faculty of Social Sciences, NigeriaUnemployment is a social problem that affects a large percentage of Nigerians, directly and indirectly. It can lead to an increase in poverty in the country. Nigeria is a densely populated nation, with youths making up the largest share of... -
Nesting ecology and hatching success of the hawksbill turtle (2004–2014) on Cousine Island, Seychelles
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Gane --- Centre for Functional Biodiversity, School of Life Sciences, South Africa CT Downs --- Centre for Functional Biodiversity, School of Life Sciences, South Africa I Olivier --- Centre for Functional Biodiversity, School of Life Sciences, South Africa M Brown --- Centre for Functional Biodiversity, School of Life Sciences, South AfricaPopulations of the Critically Endangered hawksbill turtle Eretmochelys imbricata in the Seychelles showed significant declines in the past. They have since recovered and nesting numbers are increasing because of increased protection and management intervention. Data on their nesting ecology on... -
Local ecological knowledge demonstrates shifting baselines and the large-scale decline of sawfishes (Pristidae) in Tanzania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Braulik --- University of St Andrews, United Kingdom M Kasuga --- Wildlife Conservation Society Tanzania Program, Tanzania G Majubwa --- Ambakofi, TanzaniaSawfishes are coastally distributed rays that grow to very large sizes. All five species are assessed as Endangered or Critically Endangered as a result of population declines caused mainly by entanglements in fishing gear and by habitat degradation. Three species... -
Management of school nutrition programmes to improve environmental justice in schools: a South African case study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ailwei Mawela --- Department of Curriculum and Instructional Studies, College of Education, South Africa Geesje van den Berg --- Department of Curriculum and Instructional Studies, College of Education, South AfricaObjective: The objective of this study was to determine how school principals and nutrition coordinators see their roles in the management of school nutrition programmes for learners from disadvantaged communities. -
Haematology and biochemistry values for Temminck’s pangolins (Smutsia temminckii) from Zimbabwe
Item type: Journal Article • Journal: African Zoology • Authors: Ellen Connelly --- , Zimbabwe Lisa Hywood --- , Zimbabwe Mark Donaldson --- , Zimbabwe Darren W Pietersen --- , ZimbabweBlood biochemistry values are routinely employed during clinical examinations to assess the health of the patient and to identify potential underlying conditions. No blood biochemistry data are currently available for Temminck’s pangolin (Smutsia temminckii), a species that is being confiscated... -
The nexus of income diversification and welfare: Empirical evidence from Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mekonnen Sime Kidane --- , South Africa Edilegnaw Wale Zegeye --- , South AfricaIncome diversification plays an important role in addressing the adverse effects of climate and market failures. The study analyzes the impact of income diversification on household welfare. A two-round plot-level survey panel data comprising 1708 observations was used for the... -
Mau Mau Author in Detention: The Subversive ‘We’ in a Colonial Era Detention Diary
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ken Walibora Waliaula --- , KenyaIn seeking an answer to the question as to why Kenyan author Gakaara wa Wanjau penned Mau Mau Author in Detention, we may consider the fact that he wrote other works as well — before, during, and after his detention... -
Encountering, explaining and refuting essentialism
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jonatan Kurzwelly --- , South Africa Nigel Rapport --- , United Kingdom Andrew D. Spiegel --- , South AfricaEssentialism manifests itself in a diversity of forms and is used in multiple ways. Yet it is always potentially dangerous — even when it is mobilised strategically and in apparently worthy forms for purposes of overcoming oppressive structures. As the... -
Assessment of heavy metals pollution in surface and groundwater systems in Oued Righ region (Algeria) using pollution indices and multivariate statistical techniques
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ML Benhaddya --- , Algeria Y Halis --- , Algeria B Hamdi-Aïssa --- , AlgeriaSurface and groundwater samples of the Oued Righ region (south-eastern Algeria) were analysed for Cd, Cr, Cu, Mn, Ni, Pb and Zn by atomic absorption spectrophotometric method. An integrated approach of pollution evaluation indices and multivariate statistical methods (one-way ANOVA,... -
Maize (Zea mays) yield and its relationship to soil properties under integrated fertility, mulch and tillage management in urban agriculture
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A Shumba --- , Zimbabwe N Dunjana --- , Zimbabwe B Nyamasoka --- , Zimbabwe P Nyamugafata --- , Zimbabwe S Madyiwa --- , Zimbabwe J Nyamangara --- , ZimbabweUrban agriculture improves people’s livelihoods in developing countries. An experiment was carried out to assess effects of soil fertility, mulch and tillage on soil organic carbon (SOC), aggregate stability (Ima), bulk density (BD), steady state infiltration rate (SSIR) and maize... -
Rediscovery, range extension, habitat and phylogenetic relation of the endemic Scaled Sandveld Lizard Nucras scalaris Laurent, 1964 (Sauria: Lacertidae) in the central Angolan plateau
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Ninda L Baptista --- Instituto Superior de Ciências da Educação da Huíla (ISCED-Huíla), Angola Krystal A Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Marc Bluhm --- Biodiversity, Ecology and Evolution of Plants, Institute of Plant Science and Microbiology, University of Hamburg, Germany Manfred Finckh --- Biodiversity, Ecology and Evolution of Plants, Institute of Plant Science and Microbiology, University of Hamburg, Germany William R Branch --- Port Elizabeth Museum (Bayworld), South AfricaThe Scaled Sandveld Lizard Nucras scalaris Laurent, 1964 is a poorly known lacertid endemic to north-eastern Angola and is only known from the type series collected more than half a century ago. The original description provided a comprehensive morphological description,... -
Income poverty versus multidimensional poverty: Empirical insight from Qwaqwa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rachel Nishimwe-Niyimbanira --- , South AfricaPoverty has numerous dimensions that affect people’s well-being. The literature on the concept and measurement of poverty has significantly improved from the traditional unidimensional (income/expenditure) analysis to the multidimensional concept of poverty and well-being. This paper critically compared the monetary... -
Sources of technological learning among tenants of Nigeria’s incubators
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Caleb Muyiwa Adelowo --- , NigeriaPast literature on incubation has examined the benefits and roles incubators play in the stimulation of local and regional economies. Studies have also shown the enormous implications of technological and non-technological assistance to tenants’ enterprises. However, research on the process... -
Necrotising migratory erythema leading to the diagnosis of a metastatic glucagonoma without diabetes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Rahm Makan --- , South Africa Cloete Van Vuuren --- , South AfricaA case of necrotising migratory erythema (NME), which is one of the distinctive paraneoplastic skin manifestations associated with the glucagonoma syndrome, is described and discussed. In 80% of all patients with glucagonoma, NME is the first clinical sign. The glucagonoma... -
Adoption determinants of multiple climate smart agricultural technologies in Zimbabwe: Considerations for scaling-up and out
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Angeline Mujeyi --- , South Africa Maxwell Mudhara --- , South Africa Munyaradzi J. Mutenje --- , ZimbabweUsing a multistage sampling technique, data were collected from 386 households in four districts of Zimbabwe to investigate current Climate Smart Agriculture (CSA) technology combinations smallholder farmers practising integrated crop-livestock farming are adopting, as well as the determinants of adoption... -
Absolute matrix summability via almost increasing sequence
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hikmet Seyhan Özarslan --- , Turkey Bagdagul Kartal --- ,In the present paper, a new theorem concerning absolute matrix summability factors, which generalizes a theorem on the summability factors of infinite series, has been proved by using almost increasing sequence and matrix transformation. -
The role of mobile money in improving the financial inclusion of Nairobi’s urban poor
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kyung-ha Kim --- , UKThe aim of this research is to examine the extent to which mobile money has improved the financial inclusion of Nairobi’s urban poor. Nairobi is Kenya’s largest and most developed city, but it is also the city where the country’s... -
Disease driven extinction in the wild of the Kihansi spray toad, Nectophrynoides asperginis
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Ché Weldon --- Unit for Environmental Sciences and Management, North-West University, South Africa Alan Channing --- Unit for Environmental Sciences and Management, North-West University, South Africa Gerald Misinzo --- SACIDS Africa Centre of Excellence for Infectious Diseases of Humans and Animals in Eastern and Southern Africa, Sokoine University of Agriculture, Tanzania Andrew A Cunningham --- Institute of Zoology, Zoological Society of London, United KingdomThe Kihansi spray toad, Nectophrynoides asperginis, became extinct in the wild despite population monitoring and conservation management of its habitat in the Kihansi gorge, Tanzania. Previous investigations have indicated human induced habitat modification, predators, pesticides and disease as possible causes... -
The reptiles of Tinhosa Grande islet (Gulf of Guinea): A taxonomic update and the role of Quaternary sea level fluctuations in their diversification
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Luis MP Ceríaco --- Universidade do Porto, Portugal Justin Bernstein --- Rutgers University-Newark, USA Ana C Sousa --- Universidade de Évora, Portuga Mariana P Marques --- Universidade de Lisboa, Portugal Aaron M Bauer --- Villanova University, USA Sietze J Norder --- Leiden University Centre for Linguistics, The NetherlandsThe reptile fauna of Tinhosa Grande islet, Gulf of Guinea, comprises an endemic skink, Trachylepis adamastor, and an unidentified species of gecko of the genus Hemidactylus. Until recently, no molecular data were available for either species, impeding their phylogenetic placement... -
Large Pleistocene avian tracks on the Cape south coast of South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Charles W Helm --- , South Africa Martin G Lockley --- , United States Hayley C Cawthra --- , South Africa Jan C De Vynck --- , South Africa Carina JZ Helm --- , South Africa Guy HH Thesen --- , South AfricaPrior to the inception of the Cape south-coast ichnology project, only one avian tracksite had been reported from South Africa. An additonal twenty-nine sites have now been identified. Although there are limitations and challenges inherent in the study of fossil... -
The normal tax consequences of home swaps for residents owning property in the Republic of South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Magdel Zietsman --- , South Africa Andrea Herron --- , South Africa“Home swapping” has become more accessible due to a global phenomenon, known as the sharing economy. Technological advancement has removed the barriers to international trade and members of home swapping programmes exchange rights to provide each other with accommodation in... -
Mass trapping of Coryphodema tristis (Lepidoptera: Cossidae) using a sex pheromone in Eucalyptus nitens compartments in Mpumalanga, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: KP Noeth --- , South Africa PM Verleur --- , South Africa MC Bouwer --- , South Africa JW Crous --- , South Africa J Roux --- , South Africa BP Hurley --- , South Africa B Slippers --- , South AfricaCoryphodema tristis (Lepidoptera: Cossidae) is a native wood-boring moth with a broad host range on both native and non-native vegetation and is an important pest of commercial Eucalyptus nitens plantations in South Africa. Management of C. tristis is challenging since... -
Loss to follow-up among female sex workers in Zambia: findings from a five-year HIV-incidence cohort
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kalonde Malama --- , France Luis Sagaon-Teyssier --- , France Andréa Gosset --- , France Rachel Parker --- , USA Kristin M Wall --- , USA Amanda Tichacek --- , USA Tyronza Sharkey --- , Zambia William Kilembe --- , Zambia Mubiana Inambao --- , Zambia Matt A Price --- , USA Bruno Spire --- , France Susan Allen --- , USAHIV-incidence studies are used to identify at-risk populations for HIV-prevention trials and interventions, but loss to follow-up (LTFU) can bias results if participants who remain differ from those who drop out. We investigated the incidence of and factors associated with... -
Strategies of coping with the effects of HIV/AIDS in Chinamhora communal lands, Goromonzi rural district, Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Wilberforce Kurevakwesu --- , ZimbabweThis qualitative study assesses the impacts of HIV/AIDS on rural households in Chinamhora communal lands, explores the coping strategies of these rural households and establishes possible interventions towards improving their coping strategies. The study comes at a time when deaths... -
Correctional rehabilitation programmes’ effectiveness: A phenomenological study of recidivists in a South African setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ofhani P Musekwa --- , South Africa Tshilidzi M Mulaudzi --- , South Africa James F Takalani --- , South Africa Lufuno Makhado --- , South AfricaThis study sought to explore correctional rehabilitation effectiveness in a South African setting. Using a phenomenological approach, we interviewed ten parole recidivists who have been convicted more than twice on their rehabilitation service experiences. Interpretive phenomenological analysis of the data... -
Macrofauna associated with intertidal mussel beds in the Knysna estuarine embayment, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Alan N Hodgson --- , South Africa Frances Smith --- , South Africa Peter Smith --- , South Africa Louw Claassens --- , South AfricaThe alien invasive mussel, Mytilus galloprovincialis, forms biogenic habitats in the embayment of Knysna Estuary. Invertebrate macrofauna inhabiting mussel beds were sampled from six sites in the embayment. In addition, mussel cover, mussel bed depth, density and size of mussels... -
Adoption and impacts of improved beehive technologies in the miombo woodland of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nicholaus Musimu Kuboja --- , Tanzania A.C. Isinika --- , Tanzania F.T.M. Kilima --- , TanzaniaThis paper analyzes the adoption and impacts of improved beehives on households’ income using cross-sectional data sourced from a sample of 198 beekeepers in western Tanzania who adopted improved beehives. Propensity score matching and the endogenous switching regression model are... -
Solid wood property variations in early-age Acacia plantation trees grown in southern Vietnam
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: David Blackburn --- , Australia Vu Dinh Huong --- , Vietnam Nguyen Duc Thanh --- , Vietnam Daniel Mendham --- , AustraliaA high demand for woodchips has encouraged smallholder farmers in Vietnam to invest in short-rotation Acacia plantations to produce pulpwood that has a relatively quick, though often low, income return. Because of an expanding export furniture industry, the Vietnam Government... -
Analysing species site-specific tree growth, mortality and in-growth for miombo woodlands in Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: E E Njoghomi --- , Tanzania S Valkonen --- , K Karlsson --- ,The silvicultural information base for the development of management regimes for Tanzanian miombo woodlands is underdeveloped. The limited and fragmented information on tree growth and stand dynamics has constrained the progress of sustainable management in these woodlands. Therefore, this study... -
VAT lottery incentives: An opportunity for South Africa?
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Manda Burger --- , South Africa Anculien Schoeman --- , South AfricaSome countries have introduced receipt-based tax lotteries (value-added tax (VAT) lotteries) in recent years in an effort to improve tax compliance. This acknowledges that the traditional method of tax compliance enforcement through audits, fines and penalties alone may no longer... -
Honeybush (Cyclopia spp.) anther-stigma distance and intraspecies cross compatibilities
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jenifer Koen --- , South Africa Martha M. Slabbert --- , South Africa Mardé Booyse --- , South Africa Cecilia Bester --- , South AfricaSpecies of Cyclopia are used to produce honeybush tea, a uniquely South African beverage that is rapidly growing in popularity locally and abroad. In response to warnings about ecological sustainability, the honeybush industry is transitioning from a wild-harvested source model... -
The time-activity budgets of breeding Blue Swallows Hirundo atrocaerulea and the effects of weather on nestling growth
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Steven W Evans --- , South AfricaThe Blue Swallow is an intra-African migrant that breeds in its fragmented range from South Africa to southern Tanzania, from October to March annually. The birds migrate north and are on their non-breeding range in NE DRC, Uganda, NW Tanzania... -
Firm-specific orientations and manufacturing capability under institutional voids
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Deusdedit Augustine Rwehumbiza --- , United Republic of TanzaniaManufacturing capability (MC) is widely considered to depend on a strategic orientation of firms and institutional support. Remarkably, little is known about the influence of firm-specific orientations on manufacturing capability under institutional voids. This study examines the extent to which... -
Rethinking open government as innovation for inclusive development: Open access, data and ICT in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Paul Plantinga --- , South Africa Rachel Adams --- , South AfricaOpen government has come to be closely associated with innovation for inclusive development (IID). These two areas of practice and research have converged around similar mechanisms aimed at achieving inclusive development outcomes including: open interaction between government, technologists and end-users... -
Does the elderly’s private pension ownership intensify aggregate equity demand? Empirical evidence in the US
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Sei-Wan Kim --- , Korea Young-Min Kim --- , Korea Dennis W. Jansen --- , USA Lu Yanxin --- , KoreaIn this paper, we investigate how the old generation income structure affects aggregate equity purchases, using Flows of Funds Accounts and Survey of Consumer Finances. Our results suggest that the risk aversion that increases with age could be modified to... -
Interpersonal sensitivity and social avoidance and distress in female college students: Mediating role of self-inconsistency and moderating role of self-consciousness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanhong Luo --- , China Zhenrong Shi --- , China Bin Zhang --- , China Yu Peng --- , China Anqi Zhang --- , China Yixin Zeng --- , ChinaThis study aimed to explore the relationship between interpersonal sensitivity and college students’ social avoidance and distress. Our sample consisted of 544 Chinese female undergraduate college students selected through cluster sampling (mean age = 19.3 years, SD = 1.43 years)... -
Long-term variation in the breeding diets of macaroni and eastern rockhopper penguins at Marion Island (1994–2018)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FE Dakwa --- , South Africa PG Ryan --- , South Africa BM Dyer --- , South Africa RJM Crawford --- , South Africa PA Pistorius --- , South Africa AB Makhado --- , South AfricaPopulations of the macaroni penguin Eudyptes chrysolophus and the eastern rockhopper penguin E. filholi breeding at Marion Island (Prince Edward Islands) in the sub-Antarctic Indian Ocean decreased from 1994 to 2018. We examined their diets when rearing chicks during this... -
Species-specific or assemblage-wide decline? The case of Arthroleptides dutoiti Loveridge, 1935 and the amphibian assemblage of Mount Elgon, Kenya
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jacob M Ngwava --- National Museums of Kenya, Kenya Christopher D Barratt --- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Germany Elizabeth Boakes --- University College London, United Kingdom Beryl A Bwong --- National Museums of Kenya, Kenya Alan Channing --- North-West University, South Africa Olivia Couchman --- Zoological Society of London, United Kingdom Stefan Lötters --- Trier University, Germany Patrick K Malonza --- National Museums of Kenya, Kenya Vincent Muchai --- National Museums of Kenya, Kenya Julius K Nguku --- National Museums of Kenya, Kenya Joash Nyamache --- National Museums of Kenya, Kenya Nisha Owen --- On the EDGE Conservation, United Kingdom Victor Wasonga --- National Museums of Kenya, Kenya Simon P Loader --- Natural History Museum, United KingdomThe frog Arthroleptides dutoiti Loveridge, 1935, endemic to Mount Elgon, East Africa was last collected in 1962 and has not been observed since. The species is regarded as Critically Endangered by the IUCN Red List and is a priority species... -
Innovation activities of informal micro-enterprises in Gauteng, South Africa: A systematic review of the literature
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lavhelesani Mulibana --- , Republic of South Africa Ravinder Rena --- , Republic of South AfricaThe literature revealed that 70–80% of South African small businesses, including informal micro-enterprises, fail in the first year of their existence. Innovation has been recognized as a catalyst that can enhance informal micro-enterprises’ probabilities to survive and transform them from... -
A comparison of zinc sources and extraction methods on sandy soils suitable for maize cropping
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: CF Wessels --- , South Africa LF van Straaten --- , South Africa CC du Preez --- , South Africa GM Ceronio --- , South AfricaMaize is the most important crop produced for human and animal nourishment in South Africa. The crop is susceptible to zinc (Zn) deficiencies, which result in lower grain yields with poorer nutritional value. Knowledge of the nature and behaviour of... -
Resilience to shocks and food insecurity: Determinants, and the impact of smallholder jatropha curcas cultivation in Southern Malawi
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Owen Y. Chamdimba --- , South Africa Gerald F. Ortmann --- , South Africa Edilegnaw Wale --- , South AfricaThis paper studied household resilience to food insecurity, its determinants, and the impact of shocks on welfare in Southern Malawi. The resilience concept is evolving. A crucial issue in scholarly and policy space is how it is measured. This paper... -
Living with HIV in Ghana: Disclosure of status and experiences of persons receiving antiretroviral therapy
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Maxwell Peprah Opoku --- , United Arab Emirates Eric Lawer Torgbenu --- , Australia J-F --- , Australia William Nketsia --- , Ghana Wisdom Kwadwo Mprah --- , Ghana Anthony Kweku Edusei --- , GhanaBarriers to treatment faced by people living with HIV (PLWH) have been well explored in the literature. Despite the importance of antiretroviral therapy (ART) in the treatment of HIV and prevention of AIDS, in the Ghanaian context only about 32%... -
The contribution of participatory engagement strategies to reliable data gathering and inclusive policies in developing countries: Municipal solid waste management data in the Greater Accra Metropolitan Area of Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kwaku Oduro-Appiah --- , Cape Coast, Ghana Anne Scheinberg --- , the Netherlands Abraham Afful --- , Cape Coast, Ghana Nanne de Vries --- , the NetherlandsThe absence of participatory engagement strategies in the collection of solid waste management data in most developing countries affects reliability and deprives professional staff and local authorities of any clear basis for system modernization. This article addresses these challenges in... -
The case for a universal basic income in South Africa: A conceptual approach
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Kerrie Sadiq --- , Australia Hanneke du Preez --- , South AfricaThis conceptual study investigates a model for addressing both poverty and income inequality, which is theoretically distinct from the traditional tax and transfer systems adopted by most jurisdictions. It does so against a backdrop of global uncertainty and ongoing challenges... -
Population Viability Analysis for a vulnerable ground-nesting species, the Cape Rockjumper Chaetops frenatus: assessing juvenile mortality as a potential area for conservation management
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Krista N Oswald --- , South Africa Alan TK Lee --- , South AfricaAs an endemic bird to the Fynbos biome, prominently featured in literature and marketing material for the avifauna of the continent, the Cape Rockjumper Chaetops frenatus is an iconic species of South Africa. Building on studies from the past decade,... -
The effects of Acacia mearnsii (black wattle) on soil chemistry and grass biomass production in a South African semi-arid rangeland: implications for rangeland rehabilitation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Onalenna Gwate --- , South Africa Sukhmani K Mantel --- , South Africa Lesley A Gibson --- , United Kingdom Zahn Munch --- , South Africa Bukho Gusha --- , South Africa Anthony R Palmer --- , South AfricaGlobally, grasslands are under threat from woody encroachment by invasive alien plants and this undermines grass production. The study sought to determine the effects of Acacia mearnsii clearing on soil physico-chemical properties and grass production. Soil samples were collected from... -
Agricultural advisory and extension service approaches and inclusion in reaching out to Kenyan rural farmers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ann N. Kingiri --- , KenyaEfficient agricultural advisory and extension service (AES) is poised to lead to improved agricultural productivity as farmers utilize information and knowledge to optimize their use of limited resources. However, the role of AES has progressively evolved due to the changing... -
Coalescing intellectual property incentives, gender inclusiveness and environmental sustainability for female traditional healers in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ofonmbuk Esther Ekong --- , NigeriaThe prevalence of women in the knowledge-based enterprise of traditional healing underscores the role of women in sustainable development. The World Health Organization (WHO) finds that about three quarters of the world’s population depend upon traditional remedies for their health... -
Pragmatic restaurant tipping in star-rated hotels in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Simon O Were --- , Kenya Moses N Miricho --- , Kenya Vincent N Maranga --- , KenyaTipping can be traced to Tudor England in the sixteenth century. This act transformed into a custom, spreading to many countries. However, tipping is observed differently from one country to the other and thus is not homogeneous from a global... -
Pedagogy of incoko: challenges in adapting conversational forms as a praxis of student care and engagement in the context of digital learning in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nomalanga Mkhize --- , South Africa Qawekazi Maqabuka --- , South Africa Babalwa Magoqwana --- , South AfricaIn this article we explore and conceptualise incoko, conversationalism, as a critical praxis and pedagogy of care in our university teaching practice. In “normal” times, it is the conversations in the classroom, in the halls as we pass students and... -
Firm quality and stock returns: Evidence from India
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Sanjay Sehgal --- , India Asheesh Pandey --- , IndiaUsing data for 1 848 companies, we find that quality increases, not quality, drive stock returns in India. Profitability and safety seem to be relevant attributes for measuring quality. Our cross-sectional tests show that the role of quality in predicting... -
CFOs versus CEOs: Risk-taking incentives and decisions of corporate policies
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Han-Ching Huang --- , Taiwan Pei-Shan Tung --- ,We undertake a broad-based study of the effect of the equity incentives of Chief Executive Officers (CEOs) and Chief Financial Officers (CFOs) on decisions relating to corporate policies and find that the risk-taking incentives of acquirer CEOs have a greater... -
Determining the post-herbivore-exclusion effect on an intertidal community by the recovery response of a known dominant herbivore
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DC van den Berg --- , South Africa K Sethebe --- , South Africa GW Maneveldt --- , South AfricaFollowing a long-term herbivore-exclusion study (2003-2008) in the mid-eulittoral zone at Kalk Bay, Cape Town, South Africa, the post-herbivore-exclusion effect (12 years later) of the limpet Cymbula oculus, the dominant herbivore in the community, was examined after it had recolonised... -
Effect of livestock farmers’ access to formal markets on marketing inefficiency in Mpumalanga province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Malika Sehar --- , South Africa Abayomi Samuel Oyekale --- , South AfricaLivestock production is the primary source of livelihood for most farmers in Mpumalanga province. Small-scale farmers in the province are facing many challenges in the course of marketing livestock. These challenges have also hindered their efforts at improving their livelihood... -
Using crown characterisation variables as indicators of the vigour, competition and growth of Brazilian pine
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Lorena Oliveira Barbosa --- , Brazil César Augusto Guimarães Finger --- , Brazil Emanuel Arnoni Costa --- , Brazil Otávio Camargo Campoe --- , Brazil Cristine Tagliapietra Schons --- , BrazilCrown variables are used in growth and production models to increase the accuracy of estimates. These variables are costly and difficult to measure, mainly in dense native forests such as mixed ombrophilous forests (MOF), where Araucaria angustifolia is the predominant... -
Women offenders’ experiences of rehabilitation in a South African correctional centre
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sibulelo Qhogwana --- , South Africa Puleng Segalo --- , South AfricaThis study explored gendered rehabilitation of women in correctional spaces and the systems and structures that recreate inequities in women’s incarceration experiences. Eighteen black women completed in-depth interviews on their offender rehabilitation experiences. Their age ranged from 23 to 69... -
Inclusive leadership and employee innovative work behaviours: Testing a psychological empowerment and leader-member exchange moderated-mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bülent Çetinkaya --- , Turkey Tahir Yeşilada --- , TurkeyWe investigated the association between inclusive leadership and innovative work behaviours, and the role of psychological empowerment and leader-member exchange in that relationship. Participants were 508 employees from tourism, textile, and banking sectors in Turkey (female = 51.38%; age range... -
Determinants of antiretroviral treatment adherence among patients attending secondary health care facilities in north-east and south-west Nigeria: a comparative study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sonnen Atinge --- , Nigeria Oluchi J Kanma-Okafor --- , Nigeria Temitope W Ladi-Akinyemi --- , Nigeria Iorhen E Akase --- , Nigeria Adebayo T Onajole --- , Nigeria -
Impact of rural, non-farm activities on smallholder farmers’ income-poverty in Eastern zone of Tigray Region, Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yohannes Halefom Gebrtetsadik --- , EthiopiaThis study aims at assessing the impact of rural, non-farm activities on smallholder farmers’ income-poverty. It answers these research questions: Is there any significant difference in the poverty indices between the participants and non-participants of non-farm activities? What is the... -
The taxation of gap cover policies for individual taxpayers in South Africa: a critical analysis
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Petro Gerber --- , South Africa Cecileen Greeff --- , South AfricaGap cover policies cover the shortfall between medical scheme benefits and the rates the service providers charge and are therefore used by individuals in South Africa to supplement payments of medical expenditure not covered by private medical schemes. Little information... -
Potential of households’ solar PV consumption in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Silas K. Mulaudzi --- , South Africa Steve Bull --- , UK Rudzani A. Makhado --- , South AfricaEnergy demand and consumption across the world are increasing, putting much pressure on current supply. The solar PV system has become one of the most promising renewable energy technologies. The potential of solar PV differs from one province and household... -
Hotel managers’ perspectives of Airbnb operations in Accra Metropolis, Ghana
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rosemary Wunpini Issaka --- , Ghana Abednego Kofi Bansah --- , Ghana Conrad-Joseph Wuleka Kuuder --- , GhanaThe study was conducted to ascertain hotel managers’ standpoints on the influx of Airbnb facilities in Ghana’s hospitality “arena” and the palpable effects. Employing a qualitative approach to data collection, the study made use of in-depth interview guides, engaging 33... -
Online incentives and customer voice: The mediating role of community identification
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Miaoling Liu --- , China Bingcheng Yang --- , ChinaWe investigated the mediating role of virtual community identification on the relationship between online incentives and customer voice. We surveyed 369 customers from Apple (n = 198) and Huawei (n = 171) virtual communities. Structural equation modelling results showed that... -
Work stressors and vicarious trauma among South African Police Service members
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- , South AfricaThis study explored vicarious stress experiences of South African Police Service members from a rural district serving victims of trauma. Informants were 19 police members (female = 26.3%; constables = 21%; age range = 27 to 55). The police members... -
Alcohol misuse prevalence and correlates among school adolescents from national surveys in Saint Lucia and Saint Vincent and the Grenadines
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- , Taiwan Supa Pengpid --- , ThailandThe study aimed to estimate the prevalence of alcohol use and misuse, and its associated factors, among adolescents in Saint Lucia and Saint Vincent and the Grenadines. Data from 3 847 adolescents (mean age = 14.6 years, SD = 1.7... -
Presidential communication approaches and the impact on public health: a comparative analysis of three South African presidents’ communication on AIDS and COVID-19
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nompumelelo Gumede --- University of KwaZulu-Natal, South Africa Emma Durden --- University of KwaZulu-Natal, South Africa Eliza Govender --- University of KwaZulu-Natal, South AfricaThe HIV response in the African continent over past decades demonstrates the potency that the words and actions of political leaders have in either expediting or impeding the implementation and adoption of preventive measures at the individual and community levels... -
Women’s self-help groups and asset accumulation in peri-urban Wa, Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibrahim Abu Abdulai --- , Ghana Shaibu Bukari --- , Ghana Moses Naiim Fuseini --- , GhanaWomen’s self-help groups (SHGs) play an essential role in the fight against poverty. Despite this, studies on the impact of SHGs on women’s asset accumulation and incomes tend to focus on rural and urban areas, with peri-urban areas receiving little... -
Social entrepreneurs’ learning experience in South African incubators
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Aleia Bucci --- , South Africa Jonathan Marks --- , South AfricaAfrica’s strong entrepreneurial spirit and desire for social change has led to growth in social entrepreneurship and incubation throughout the continent. However, there is a limited understanding of how entrepreneurial learning occurs during incubation. This study explored social entrepreneurs’ learning... -
Wood extraction performance with a farm tractor in a mountainous region of Brazil: cycle time, productivity and costs of two different work crews
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rafael Oliveira Brown --- , Brazil Kauê Augusto Oliveira-Nascimento --- , Brazil Renato César Gonçalves Robert --- , Brazil Daniel DeArmond --- , BrazilHarvesting is a complex and expensive step within forestry operations. In mountainous terrain timber harvesting is complex due to the risks and limitations that the terrain imposes on traditional forms of wood extraction. The objective of this study was to... -
Estimating the economic income and social contributions derived from the South African west coast rock lobster fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JM Eggers --- Rhodes University, South Africa KL Cochrane --- Rhodes University, South Africa WHH Sauer --- Rhodes University, South AfricaThe west coast rock lobster Jasus lalandii fishery is South Africa’s third-most-valuable fishery, although the stock is currently estimated at <2% of its pristine biomass. Recent ecologically necessary reductions in the total allowable catch (TAC) had negative economic impacts on... -
Mistaken identity: challenges with specimen identification for morphologically conservative skinks (Trachylepis) leads to taxonomic error
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Kirstin Stephens --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Graham J Alexander --- University of the Witwatersrand, South Africa Buyisile G Makhubo --- School of Life Sciences, University of KwaZulu-Natal, South Africa Nicolas S Telford --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Krystal A Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South AfricaIt is commonly recognised that natural history datasets contain locality errors that can compromise the utility of those datasets. However, another source of error in these datasets is taxonomic misidentifications, and this type of error is potentially common, particularly with... -
A case study review and reasonability assessment of the foreign employment income tax exemption threshold in section 10(1)(o)(ii) of the Income Tax Act
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Kgonthe Sebashe --- , South Africa Henriette Lynette Erasmus --- , South Africa Magdalena Maria Erasmus --- , South AfricaThis research paper, by means of a case study, evaluated whether the foreign employment income tax exemption threshold in section 10(1)(o)(ii) of the Income Tax Act achieved its objectives: first, limiting the impact of the amendment to the exemption in... -
ECOWAS and the prevalence of energy-inefficient lighting technologies: Any hope of achieving SDG 7.3?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edwin Albert Umoh --- , Nigeria Yahaya Muhammad Bande --- , Nigeria Omokhafe James Tola --- , NigeriaA region-adaptive hierarchical framework for realizing Sustainable Development Goal 7.3 is proposed in this paper, using Nigeria as a case study for strategy adoption and adaptation. In 2013, the Economic Community of West African States (ECOWAS) rolled out strategic plans... -
Building legitimacy and distinctiveness on Nigerian-Canadian transnational ventures’ websites
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Diane A. Isabelle --- , Canada Mika Westerlund --- , Canada Victoria Sajuyigbe --- ,Achieving legitimacy in several markets is crucial for transnational ventures. Moreover, the literature on competitive strategy suggests that distinctiveness from competitors is a major source of competitive advantage for ventures. Nevertheless, our knowledge is sparse on how transnational ventures use... -
Foliar fungicides provide chemical control of Fusarium head blight of wheat in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Gerhardus J van Coller --- , South Africa Frederik J Kloppers --- , South Africa Vicky M Coetzee --- , South Africa Toinette van Rooyen --- , South Africa Lindy J Rose --- , South Africa Sandra C Lamprecht --- , South Africa Altus Viljoen --- , South AfricaChemical control of a yield-limiting, quality-reducing wheat disease like Fusarium head blight (FHB) is an important management strategy; however, no fungicides are registered against it in South Africa. The aim of this study was to determine foliar fungicides and seed... -
Business incubation initiatives and innovation capabilities of micro-sized enterprises: Exploring the software ICT value chain
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluyemi Theophilus Adeosun --- University of Lagos Nigeria, Nigeria Ibrahim Ayodele Shittu --- University of Lagos Nigeria, NigeriaPromoting innovative capabilities in Small and Medium Scale Enterprises (SMEs) is crucial if African countries are to progress in terms of being active in the Global Value Chain (GVC) and achieve inclusive development. Enhancing innovative capabilities in the Information Communication... -
The impact of technological progress and digitization on Ghana’s economy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alex Boakye --- Institute for Social Development, South Africa Nnenna Nwabufo --- East Africa Regional Development and Business Delivery Office, African Development Bank, Kenya Mulugeta Dinbabo --- Institute for Social Development (ISD), South AfricaThis study analyzed the impact of technological progress and digitization on Ghana’s economy using panel data for the period 2009–2019. Technological progress and economic growth inter-dependency was analyzed in two steps. First, the relation was tested using Augmented Dickey–Fuller method... -
Incivility experiences and mental health among college nursing students: The moderating role of rumination
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shaoping Qiu --- Xiangnan University, China Jie Fan --- Hunan Normal University, China Naizhu Huang --- Xiangnan University, ChinaThis study examined the relationship between incivility and mental health and how rumination moderates the effect of incivility on mental health. Participants were 802 Chinese nursing students (female = 90.6%; mean age = 19.8 years, SD = 1.31 years). They... -
Natural recolonisation of sub-Antarctic Marion Island by Common Diving Petrels Pelecanoides urinatrix
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Maëlle Connan --- Marine Apex Predator Research Unit (MAPRU), Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Stefan Schoombie --- Marine Apex Predator Research Unit (MAPRU), Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Janine Schoombie --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa Ben Dilley --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa Peter G Ryan --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South AfricaNocturnal burrow-nesting seabirds are notoriously difficult to study and can go unnoticed for years in remote areas. One of these species is the Common Diving Petrel Pelecanoides urinatrix, which has a circumpolar breeding distribution in the Southern Ocean, including at... -
Impact of COVID-19 public health responses on income, food security and health services among key and vulnerable women in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Hilton Humphries --- University of KwaZulu-Natal, South Africa Lara Lewis --- University of KwaZulu-Natal, South Africa Erik Lamontagne --- , Switzerland Shakira Choonara --- University of KwaZulu-Natal, South Africa Keabetswe Dikgale --- University of KwaZulu-Natal, South Africa Anna Yakusik --- , Switzerland Dianne Massawe --- , South Africa Ntombenhle Mkhize --- , South Africa Farai Mzungu --- , South Africa Quarraisha Abdool Karim --- University of KwaZulu-Natal, South AfricaGlobally, COVID-19 has impacted lives and livelihoods. Women living with HIV and/or at high risk of acquiring HIV are socially and economically vulnerable. Less is known of the impact of COVID-19 public health responses on women from key and vulnerable... -
Geometries with non-commutative joins and their application to near-vector spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: K-T. Howell --- Stellenbosch University, South Africa J. Rabie --- Stellenbosch University, South AfricaIn this paper we add to the theory of the geometry of near-structures. More specifically, we define a near-linear space, prove some properties and show that by adding some axioms we arrive at a nearaffine space, as defined by André... -
Assistance needed for the integration of orphaned and vulnerable children — views of South African family and community members
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Melvyn Freeman --- Social Aspects of HIV/AIDS and Health Research Programme of the HSRC, Nkululeko Nkomo --- Social Aspects of HIV/AIDS and Health Research Programme of the HSRC,Guardianship within families is often regarded as the most viable and preferred option for orphaned and vulnerable children (OVC). However, this will place a considerably increased burden on the new caregivers of these children. This study examines whether assistance to... -
Challenges impacting on the quality of care to persons living with HIV/AIDS and other terminal illnesses with reference to Kanye community home-based care programme
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Simon M Kang'ethe --- Skill Share International,HIV/AIDS has been found to be a challenging disease to humanity, its challenge spin-offs falling especially on to the caregivers of those infected and affected by the virus. This paper aims to discuss the challenges influencing the state of caregiving... -
High-risk behaviors among adult men and women in Botswana: Implications for HIV/AIDS prevention efforts
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Mpho Keetile --- , , BotswanaThe government of Botswana has been spending a lot of money in the prevention, treatment, care and support for HIV/AIDS patient for decades. This paper uses data from the third Botswana AIDS Impact Survey (BAIS III) to explore high-risk behaviors... -
Morphological variation and geographical distribution in the South African lizards Typhlosaurus caecus (Cuvier 1817) and Typhlosaurus vermis Boulenger 1887 (Scincidae: Acontinae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: MichaelF. Bates --- , South Africa Neil J.L. Heideman --- , South Africa BrianA. Wilson --- Soghne College of Education, South Africa Martin G.J. Hendricks --- University of the Western Cape, South Africa Nulfa Don --- Soghne College of Education, South Africa Carlos Moses --- Soghne College of Education, South AfricaThe most recent evaluation of morphological variation in Typhlosaurus caecus was based on only six specimens, including one from Port Nolloth here referred to T. vermis. We report on morphological variation in 25 T. caecus and 33 T. vermis from... -
A review of the genus Mabuya in southeastern Africa (Sauria: Scincidae)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: DonaldG. Broadley --- Research Associate, Natural History Museum of Zimbabwe,The taxonomy of twenty‐one evolutionary species of Mabuya from southeastern Africa is reviewed, using the general lineage concept and several diagnostic characters not previously used for this genus. This has resulted in two insular populations, M. casuarinae Broadley and M... -
On the identity of lacerta punctata Linnaeus 1758, the type species of the genus Euprepis Wagler 1830, and the generic assignment of Afro‐Malagasy skinks
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: AaronM. Bauer --- Villanova University, United States of AmericaA recent phylogenetic revision placed Afro‐Malagasy Mabuya Fitzinger, 1826 into the genus Euprepis Wagler, 1830, with the type species Lacerta punctata Linnaeus, 1758 (syn. Mabuya homalocephala fide Andersson [1900]). Identification of L. punctatus with Euprepis destabilizes existing name usage for... -
The comparative diet of three Saharan sand dune skinks
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Omar Attum --- University of Louisville, Charles Covell --- University of Louisville, Perri Eason --- University of Louisville,We compared the diets of the only three sand dune skinks of North Sinai, Chalcides ocellatus, Scincus scincus, and Sphenops sepsoides. Despite our small sample size, we found several interesting trends. Coleoptera was the most common prey order eaten by... -
Molecular phylogenetics of Malagasy skinks (Squamata: Scincidae)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: AlisonS. Whiting --- Brigham Young University, USA JackW. Sites --- Brigham Young University, USA AaronM. Bauer --- Villanova University, USAMalagasy skinks are a poorly known group, and their relationships have not been critically evaluated previously. In this paper we present a phylogeny of Malagasy “scincine” lizards, based on quantitative phylogenetic analysis of data from seven molecular markers. Our analysis... -
A revision of the East African species of Melanoseps Boulenger (Sauria: Scincidae: Feylininae)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: DonaldG. Broadley --- Research Associate, Natural History Museum of Zimbabwe, Zimbabwe AlisonS. Whiting --- Brigham Young University, USA AaronM. Bauer --- Villanova University, USAThe East African species of Melanoseps are revised and the following taxonomic changes proposed: 1. M. ater matengoensis Loveridge 1942 and M. ater misukuensis Loveridge 1953 are placed in the synonymy of M. ater (Günther 1873). 2. Melanoseps emmrichi sp... -
A new species of Trachylepis Fitzinger, 1843 (Squamata: Scincidae) from central African forests
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Laurent Chirio --- Muséum national d'Histoire naturelle, France Ivan Ineich --- Muséum national d'Histoire naturelle, France Andreas Schmitz --- Muséum d'Histoire naturelle de la Ville de Genève (MHNG), Switzerland Matthew LeBreton --- CRESAR, CameroonIntensive collection and field observations in the Central African Republic revealed a previously undescribed skink species of the genus Trachylepis. Morphologically this species seems to be related to Trachylepis boulengeri and/or T. polytropis, but genetic analysis showed that this is... -
Typhlosaurus jappi Broadley, 1968, a Valid Species of Acontine Skink
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Victoria Schneider --- Villanova University, USA AaronM. Bauer --- Villanova University, USANew evidence from scalation, dental, and reproductive traits supports the recognition of the Barotseland Blind Legless Skink, Typhlosaurus jappi, as a valid species distinct from T. lineatus. -
A further new species of limbless skink, genus Paracontias, from eastern Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jörn Köhler --- Hessisches Landesmuseum Darmstadt, Germany DavidR. Vieites --- Museo Nacional de Ciencias Naturales, CSIC, Spain Frank Glaw --- Zoologische Staatssammlung München, Germany Nathalie Kaffenberger --- Hessisches Landesmuseum Darmstadt, Germany Miguel Vences --- Zoological Institute, Technical University of Braunschweig, GermanyWe describe a new species of the genus Paracontias from a rain forest in the northern Central East of Madagascar based on a single specimen. Paracontias kankana sp. nov. is unique among all known species of Paracontias by exhibiting large... -
Differentiation within the endemic burrowing skink Pamelaescincus gardineri, across the Seychelles islands, assessed by mitochondrial and nuclear markers
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Joana Valente --- , , Portugal Sara Rocha --- , , Portugal D. James Harris --- , , PortugalUnveiling patterns of genetic differentiation across insular distributions is relevant for biogeographic and conservation reasons. In the Indian Ocean, surprisingly, little is known regarding the genetic structure of many taxa across the Seychelles Islands, despite their importance as old Gondwanic... -
The business of business incubation: How stakeholders measure value and investment returns in South African fintech incubators
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sihle D. Mhlongo --- University of the Witwatersrand (Wits), South Africa Mjumo Mzyece --- University of the Witwatersrand (Wits), South AfricaBusiness incubation is a growing phenomenon in South Africa. Using a qualitative research approach, specifically in-depth interviews with business incubator (BI) managers (CEOs, directors, executives, founders, and sponsors), this study reports on the perceived economic value of Johannesburg-based, fintech-focused BIs... -
Incidence and predictors of diabetes mellitus among severe COVID-19 patients in western Ethiopia: a retrospective cohort study
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Tadesse Tolossa --- Wollega University, Ethiopia Matiyos Lema --- Wollega University, Ethiopia Bizuneh Wakuma --- Wollega University, Ethiopia Ebisa Turi --- Wollega University, Ethiopia Ginenus Fekadu --- Wollega University, Ethiopia Diriba Mulisa --- Wollega University, Ethiopia Getahun Fetensa --- Wollega University, EthiopiaBackground: Evidence reported a high occurrence of diabetes mellitus (DM) during the time of COVID-19. This study aimed to assess the incidence of DM and its predictors among severe COVID-19 patients admitted to the treatment centre of Wollega University Referral... -
An investigation into the normal tax implications of fractional share rights in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Christoff Botha --- Stellenbosch University, South Africa Cecileen Greeff --- Stellenbosch University, South AfricaA recent development in the financial service industry is the introduction of the fractional share right that allows a retail investor to invest in a fraction of a listed equity share. Fractional share right is not defined in the Income... -
Sugarcane cultivar genetic gains for coastal agro-ecological regions of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Marvellous Zhou --- South African Sugarcane Research Institute, South AfricaCultivar genetic gains quantify the increase in productivity from release of cultivars and measure genetic improvements from plant breeding. The objectives of this study were to evaluate the genetic gains from sugarcane coastal cultivars and evaluate their contribution to productivity... -
Predicting soil carbon in granitic soils using Fourier-transform mid-infrared (FT-MIR) spectroscopy: the value of database disaggregation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Kelebohile Rose Seboko --- University of the Free State, South Africa Johan van Tol --- University of the Free State, South Africa Elmarie Kotze --- University of the Free State, South AfricaSoil carbon (C) is an important component in quality assessments and efficient models are required to estimate C rapidly. Accurate C assessments are valuable in monitoring land-use changes. Fourier-transform mid-infrared (FT-MIR) spectroscopy has proved to be a powerful tool for... -
Ekeland, Takahashi and Caristi principles in preordered quasi-metric spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. Cobzaş --- Babeş-Bolyai University, RomaniaWe prove versions of Ekeland, Takahashi and Caristi principles in pre-ordered quasi-metric spaces, the equivalence between these principles, as well as their equivalence to some completeness results for the underlying quasi-metric space. These extend the results proved in S. Cobzaş,... -
The weight distribution of hulls of binary codes from incidence matrices of complete graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Khumbo Kumwenda --- Mzuzu University, Malawi Caleb Namondwe --- Mzuzu University, MalawiWe characterise the weights of all codewords of the hull of the binary code spanned by rows of an incidence matrix Bn of the complete graph Kn for n ≥ 4 and n even. Among others, we show that every... -
Establishing an understanding of the innovation process of informal micro-enterprises
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lavhelesani Mulibana --- Gauteng Provincial Government, Republic of South Africa Ravinder Rena --- Durban University of Technology, Republic of South AfricaInnovation has been discerned as a catalyst that enables firms to remain relevant and sustainable. In recent years, the innovation discipline has been extended to the informal sector. Nonetheless, to date little is known about the process that is followed... -
Some sharpened and refined versions of the q—Steffensen inequality
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ksenija Smoljak Kalamir --- University of Zagreb, CroatiaBased on a known sharpened and refined versions of a classical Steffensen inequality, we derive new sharpened and refined versions of a q–Steffensen inequality. Next, we give weaker conditions for some already known generalizations of q–Steffensen’s inequality and for new... -
Componentwise localization of solutions to systems of operator inclusions via Harnack type inequalities
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Radu Precup --- Institute of Advanced Studies in Science and Technology, Babeş -Bolyai University & Tiberiu Popoviciu Institute of Numerical Analysis, Romania Jorge Rodríguez-López --- CITMAga, Universidade de Santiago de Compostela, SpainWe establish compression-expansion type fixed point theorems for systems of operator inclusions with decomposable multivalued maps. The approach is vectorial allowing to localize individually the components of solutions and to obtain multiple solutions with multiplicity not necessarily concerned with all... -
The effects of suspended bivalve culture on benthic community structure and sediment fluxes in Saldanha Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TA Probyn --- Fisheries and the Environment (DFFE), South Africa M Pretorius --- Fisheries and the Environment (DFFE), South Africa F Daya --- Fisheries and the Environment (DFFE), South Africa A du Randt --- Fisheries and the Environment (DFFE), South Africa A Busby --- Fisheries and the Environment (DFFE), South AfricaThis study provides a follow-up to prior measurements of the impact of mussel Mytilus galloprovincialis farming on benthic macrofauna and biogeochemistry and includes the first measurements of the effect of oyster Crassostrea gigas farming in Saldanha Bay, South Africa. The... -
Dietary niche breadth and overlap of four sympatric southern African myrmecophagous mammal species, as inferred from the literature
Item type: Journal Article • Journal: African Zoology • Authors: Darren W Pietersen --- University of Pretoria, South Africa Mark P Robertson --- University of Pretoria, South AfricaFive myrmecophagous mammal species occur sympatrically over large parts of southern Africa. Of these, the diets of four species have been studied in sufficient detail to facilitate interspecific comparisons. The diets of the aardvark Orycteropus afer, aardwolf Proteles cristatus, bat-eared... -
Effect of temperature on embryonic development and offspring performance of the African river prawn, Macrobrachium vollenhovenii
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Judith G Makombu --- University of Buea, Cameroon Cynthia A Bih --- University of Buea, Cameroon Geneva O Nkongho --- Institute of Agricultural Research for Development (IRAD), Cameroon Pius M Oben --- University of Buea, Cameroon Rollins N Ndi --- University of Buea, Cameroon Clovis N Chombe --- University of Buea, Cameroon Mercy B Verkijika --- University of Buea, Cameroon Gerry K Sonkeng --- Aquaculture Tropicale (Aqua-Tropic), Cameroon Tekou Guegang --- University of Dschang, Cameroon Janet H Brown --- Institute of Aquaculture, University of Stirling, United KingdomMacrobrachium vollenhovenii (Herklots, 1857), the largest of the indigenous West African Palaemonidae prawns, has a high potential for aquaculture. This work was carried out to assess the effect of temperature on embryonic development and offspring quality of this species. In... -
On the eigenvalues of Laplacian ABC-matrix of graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bilal Ahmad Rather --- United Arab Emirates University, UAE Hilal A. Ganie --- , India Xueliang Li --- Nankai University, ChinaFor a simple graph G, the ABC-index is a degree based topological index and is defined as -
Examining swap butterfly risk premia in South Africa
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Sanveer Hariparsad --- University of Pretoria, South Africa Eben Maré --- University of Pretoria, South AfricaThis paper studies a long butterfly strategy (which is immune to parallel curve shifts but exposed to non-parallel curve shifts) on the South African interest rate swap curve. Ten swap butterfly risk factors are identified using monthly South African swap... -
Impact analysis of innovation and gendered constraints in the fisheries sector of southern Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edward Ebo Onumah* --- University of Ghana Legon-Accra, Ghana Martha Joycelyn Makafui Dogbey --- University of Ghana Legon-Accra, Ghana Freda Elikplim Asem --- University of Ghana Legon-Accra, GhanaThis paper adopts the multinomial endogenous treatment effect approach to analyze the impact of innovation choices on the income of 230 fish workers in the Greater Accra and Central regions of Ghana, while the Kendall’s ranking technique is applied to... -
Impact of income diversification on rural household food security in Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Girma Gezimu Gebre --- Hawassa University, Ethiopia Aneteneh Ashebir --- Hawassa University, Ethiopia Tibebu Legesse --- Hawassa University, EthiopiaUsing primary data collected from 462 farm households, this paper aims to examine the impact of income diversification on rural household food security in Ethiopia. A propensity score matching model was employed to analyze the impact of participation in both... -
Beyond gender bias: Factors affecting female employee retention and advancement in the Dutch hotel sector
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marrit Lijster --- NHL Stenden University of Applied Sciences, The Netherlands Georges El Hajal --- NHL Stenden University of Applied Sciences, The NetherlandsIn The Netherlands, gender roles have evolved remarkably, marked by feminist activism and legislative strides. Nevertheless, persistent gender biases and disparities continue to impact many industries, including the Dutch hotel sector. This quantitative research explores the factors affecting female employee... -
The use of dolphins at Melka Excelsior Dolphin and Wildlife Resort in Lovina, Bali, Indonesia: a study of visitor experiences and ethical implications through netnographic research
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- NHL Stenden University of Applied Sciences, The NetherlandsThe closure of Melka Excelsior Dolphin and Wildlife Resort in Lovina, Bali, in Indonesia was prompted by the confiscation of its dolphins and mounting pressure from animal welfare advocates, marking a pivotal moment in the discourse surrounding the use of... -
Spatial variations in STIs among women enrolled in HIV prevention clinical trials in Durban, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Reshmi Dassaye --- South African Medical Research Council, South Africa Handan Wand --- Kirby Institute, University of New South Wales, Australia Tarylee Reddy --- South African Medical Research Council, South Africa Frank Tanser --- University of Lincoln, Lincoln Institute for Health, UK Benn Sartorius --- London School of Hygiene & Tropical Medicine, UK Natashia Morris --- South African Medical Research Council, South Africa Gita Ramjee --- South African Medical Research Council, South AfricaSouth Africa is faced with a high HIV and STI prevalence and incidence, respectively, with pockets of high burden areas driving these diseases. Localised monitoring of the HIV epidemic and STI endemic would enable more effective targeted prevention strategies. We... -
Quantifying the tax compliance costs of individual taxpayers in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Karen Stark --- University of South Africa, South Africa Sharon Smulders --- University of South Africa, South Africa Elza Odendaal --- University of South Africa, South AfricaThe aim of the study was to quantify the total tax compliance costs (TCC) of individual taxpayers in South Africa for the 2017 and 2018 years of assessment as no studies were found that comprehensively quantified these costs in South... -
Weak and strong type inequalities for Orlicz spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Louis Labuschagne --- , South AfricaWe revisit the generalisation of Calderon’s Transfer Principle as espoused in [7]. This principle is used to generate weak type maximal inequalities for ergodic operators in the setting of σ-compact locally compact Hausdorff groups acting measure-preservingly on σ-finite measure spaces... -
Estimating the impact of digital technologies on government operations, business operations and general welfare: The case of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alex Boakye --- Institute for Social Development, South AfricaThe shift towards digitalization is fundamentally transforming societies and changing lives. Meanwhile, many African countries are lagging behind on the dividends of accelerated digital technologies to address their developmental challenges. This is partly because of the dearth of evidence demonstrating... -
Fixed points of principal E 6-bundles over a compact algebraic curve
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Álvaro Antón-Sancho --- Fray Luis de Leon University College of Education, Catholic University of Ávila, SpainLet X be a compact algebraic curve of genus g ≥ 2. The nontrivial outer automorphism σ of the complex Lie group E 6 acts on the moduli space M(E 6) of principal E 6-bundles over X , and this... -
Nonlinear evolution equations via resolvent operators on Hadamard manifolds
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Vo Minh Tam --- Dong Thap University, VietnamThe purpose of this work is to study new systems given by evolution equations via resolvent operators for solving Yosida inclusion problems, equilibrium problems and fixed point problems on Hadamard manifolds. Then we show that the systems have a unique... -
Argument estimates associated with meromorphic close-to-starlike and Bazilević functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Nak Eun Cho --- Pukyong National University, Republic of Korea Inhwa Kim --- Harris-Stowe State University, U.S.A H.M. Srivastava --- University of Victoria, CanadaThe object of the present paper is to derive some argument properties associated with meromorphic close-to-starlike and Bazilević functions in the punctured open unit disk. Furthermore, we investigate integral-preserving properties in a sector with some special cases of the main... -
Financial innovation, financial inclusion, and enterprise performance: A sectoral analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bernadin Géraud Comlan Ahodode --- Department of Economic Sciences, University of Abomey-Calavi, Benin Eugène Bertrand Okala Eloundou --- Department of Development Economics, University of Yaoundé II, CameroonThis study analyzed the effects of the use of financial services (financial innovation and financial inclusion) on the enterprises’ performance in Cameroon. Ordinary least squares and logit model estimation methods were used for the empirical analyses. The data used are... -
Examining the income gap-gender inequality nexus in Africa using bi-wavelet and partial wavelet coherence analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rasaq Raimi --- Nelson Mandela University, South Africa Andrew Phiri --- Nelson Mandela University, South AfricaThe eradication of gender discrimination traditions and the reduction of income disparities are vital global objectives outlined in Sustainable Development Goals 4 and 10, particularly in African nations where gender and income gaps persist. In alignment with these goals, this... -
Diet preference of black rhinoceros Diceros bicornis at Welgevonden Game Reserve, South Africa, across seasons
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Joti Daya --- Nelson Mandela University – George Campus, South Africa Hervé Fritz --- Nelson Mandela University – George Campus, South Africa Jan A Venter --- Nelson Mandela University – George Campus, South AfricaDiet preference of the black rhinoceros Diceros bicornis was determined in Welgevonden Game Reserve (WGR), located in the Waterberg region of Limpopo Province, South Africa. Fieldwork was conducted in the dry, early wet and late wet seasons. Diet preference was... -
Risk of zinc deficiency among children aged 0–59 months in sub-Saharan Africa: a narrative review
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mavis P Dembedza --- University of Zimbabwe, Zimbabwe Prosper Chopera --- University of Zimbabwe, Zimbabwe Tonderayi M Matsungo --- University of Zimbabwe, Zimbabwe -
Developing and validating a scale to measure trauma-informed practices used by teachers in inclusive schools in Ghana and the United Arab Emirates
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Maxwell Peprah Opoku --- United Arab Emirates University, United Arab Emirates Hala Elhoweris --- United Arab Emirates University, United Arab Emirates Ashraf Moustafa --- United Arab Emirates University, United Arab Emirates Daniel Miezah --- University of Cape Coast, Ghana Haseena Shah --- United Arab Emirates University, United Arab Emirates Ghadah Al Murshidi --- United Arab Emirates University, United Arab EmiratesResearch on trauma-informed practices is common in Western countries, but non-Western countries have made minimal contributions in this regard. This study aimed to develop an instrument which could be used to measure perceived competence of teachers in the implementation of... -
Coastal topography and rates of mussel recruitment: a comparison of bay versus open-coast sites
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CD McQuaid --- Rhodes University, South Africa M Buresch --- Rhodes University, South AfricaThe recruitment of intertidal benthic organisms that have planktonic larvae is influenced by hydrodynamics at multiple nested spatial scales, ranging from tens of centimetres to kilometres. Intertidal mussel populations on the south coast of South Africa are known to exhibit... -
Morphological variations in the African palm weevil, Rhynchophorus phoenicis (F) (Coleoptera: Curculionidae), in Kenya and Uganda
Item type: Journal Article • Journal: African Zoology • Authors: James P Egonyu --- International Centre of Insect Physiology and Ecology, Kenya Alfonce Leonard --- Tanzania Agricultural Research Institute (TARI) Ukiriguru Centre, Tanzania Chrysantus Mbi Tanga --- International Centre of Insect Physiology and Ecology, Kenya Sevgan Subramanian --- International Centre of Insect Physiology and Ecology, KenyaWe investigated morphological differences in the African palm weevil (Rhynchophorus phoenicis) from Kenya (Busia and Kwale) and Uganda using a LEICA EZ4HD stereo microscope and an absolute digimatic caliper. Ten pronotal colour patterns were recorded, of which two (brown with... -
Emerging trends in FinTech and financial inclusion: A review and bibliometric analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Prihana Vasishta --- Punjab Engineering College (Deemed to be Univerisity), India Anju Singla --- Punjab Engineering College (Deemed to be Univerisity), IndiaFinTech has enabled various financial institutions to reach a larger and more diverse customer base, thus making the unbanked population financially inclusive. This paper aims to systematically review academic papers on Financial Inclusion and FinTech. A combination of these two... -
The African Penguin Spheniscus demersus should be considered Critically Endangered
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Richard B Sherley --- Environment and Sustainability Institute/Centre for Ecology and Conservation, University of Exeter, United Kingdom Azwianewi B Makhado --- , South Africa Robert JM Crawford --- , South Africa Christina Hagen --- , South Africa Jessica Kemper --- , Namibia Katrin Ludynia --- University of the Western Cape, South Africa Makhudu J Masotla --- , South Africa Alistair McInnes --- , South Africa Lorien Pichegru --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Desmond Tom --- , Namibia Leshia Upfold --- , South Africa Lauren J Waller --- University of the Western Cape, South AfricaThe African Penguin Spheniscus demersus has been considered a threatened species since 1984 and, aside from a short period around 2000, its population has been in constant decline since at least the 1950s. By combining counts of the numbers of... -
Evidence-based global yield benchmarks in unthinned industrial plantation eucalypts
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Robert Neil Pallett --- Institute of Commercial Forestry Research, South AfricaThere is increasing global demand for wood and wood products for a growing diversity of applications. Even-aged plantation forests are efficient in providing goods and services from relatively small areas of land. Eucalypt plantations have been an important component of... -
Guidelines for a simplified Value-Added Tax Act
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Muneer E. Hassan --- University of Johannesburg, South Africa Marina Bornman --- University of Johannesburg, South Africa Adrian Sawyer --- University of Canterbury, New ZealandPurpose: The goal of the study is to provide guidelines for a simplified South African Value-Added Tax (VAT) Act. -
Per-recruit analysis and proposed sustainable harvest strategy for rednose labeo Labeo rosae and Mosambique tilapia Oreochromis mossambicus in Flag Boshielo Dam, Olifants River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SM Marr --- University of Limpopo, South Africa HA Hlungwani --- University of Limpopo, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JR Sara --- University of Limpopo, South AfricaInland fisheries development in South Africa has been proposed to improve rural livelihoods and food security. However, inland fisheries are susceptible to collapse through overfishing. Therefore, establishing biological reference points for these fisheries is essential for long-term sustainability. Here, spawner-biomass-per-recruit... -
Inclusive innovation processes in Tanzania: From national policies to local practices in innovation hubs
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lauri Hooli --- University of Turku, Finland Emma Nkonoki --- University of Turku, Finland Ville Leppänen --- University of Turku, FinlandInclusive innovations have the potential to foster socio-economic development and actively involve local communities in innovation processes in sub-Saharan Africa. The importance of inclusive innovations is emphasized in the public strategies and development programmes in the region. Nevertheless, despite some... -
Phenotypic variation and association of agronomic traits in tepary bean genotypes under drought-stress and non-stress conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Saul Eric Mwale --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Hussein Shimelis --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Wilson Nkhata --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Abel Sefasi --- Lilongwe University of Agriculture and Natural Resources, Malawi Isaac Fandika --- Kasinthula Agricultural Research Station, Malawi Jacob Mashilo --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South AfricaGenetic variation for economic traits associated with drought adaptation is a prerequisite for developing climate-smart crop varieties, including tepary bean (Phaseolus acutifolius A. Gray). This study aimed to assess the magnitude of genetic variation and the relationship of agronomic traits... -
The legacy of the Maxim machine gun in postcolonial Africa: Implications for governance and management scholarship
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses N. Kiggundu --- , CanadaThe essay draws on aspects of British colonial history to throw light on Africa’s postcolonial state and society. Under the leadership of Captain Lugard, drawing from the principles of the dual mandate and indirect rule, colonialists employed the then most... -
The quest for social justice through ICT access and inclusion for rural schools and communities: The South African case of Urglobal
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Luleka Mkuzo --- , Ivan Govender --- Durban University of Technology (DUT), South AfricaMobile technology has been recognized as a tool in reducing the inequality gap, especially for those in developing communities. With a Gini score of 63 in 2014, South Africa is regarded as one of the most unequal countries in the... -
Inclusive STEM education to fight poverty and inequality: The case of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Getachew T. Sedebo --- Tshwane University of Technology, Republic of South Africa Ajebush A. Shafi --- Tshwane University of Technology, Republic of South Africa Mammo Muchie --- Tshwane University of Technology, Republic of South Africa Michael Y. Shatalov --- Tshwane University of Technology, Republic of South AfricaPublic higher education institutions (PHEIs) are considered public resources, yet equity in Science, Technology, Engineering, and Mathematics (STEM) fields within these institutions remains a global concern. The South African government acknowledges the importance of STEM education for all, yet its... -
Accessibility information and rhetoric: an evaluation of the website communications of three New Zealand hotels
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Eshwar Atul Shetty --- Auckland University of Technology, New Zealand Alison McIntosh --- Auckland University of Technology, New ZealandPrevious scholarship highlights the physical, social and informational barriers to participation in tourism and hospitality for people with disabilities. The provision of reliable and up-to-date information, especially via websites, is crucial to ensuring accessibility and inclusion in hospitality services and... -
Exploring participatory scenario planning for sustainable urban tourism development
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Miranda Cornelisse --- Rotterdam University of Applied Sciences, The Netherlands Arjen van Klink --- Rotterdam University of Applied Sciences, The NetherlandsThis viewpoint article explores the potential of multistakeholder participatory scenario planning (PSP) as a tool to foster a sustainable visitor economy in underprivileged neighbourhoods. Feijenoord, a district in Rotterdam, is such an area. While the visitor economy offers economic benefits,... -
Does parental education moderate the association between personal growth initiative, purpose in life and subjective well-being among Chinese college students?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiaoxia Huang --- Huzhou Vocational and Technical College, China Hong Li --- Zhoukou Vocational and Technical College, China Yungui Guo --- Hunan University of Science and Technology, ChinaWe investigated the moderating effect of parental education on the relationship between personal growth initiative, purpose in life, and subjective well-being. Two-wave time-lagged data with an interval of three months were collected from 491 students (mean age = 19.58 years,... -
On graded-nonnil-Noetherian commutative rings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Anass Assarrar --- University S.M. Ben Abdellah Fez, Morocco Najib Mahdou --- University S.M. Ben Abdellah Fez, MoroccoOur present work is motivated by several papers which have introduced and studied the notion of nonnil-Noetherian rings. Let A = ⊕ α ∈G A α be a commutative ring with unity graded by an arbitrary commutative monoid G... -
Untangling the Magelonidae (Annelida: Polychaeta) of southern Africa, including the description of a new species
Item type: Journal Article • Journal: African Zoology • Authors: Kate Mortimer --- Amgueddfa Cymru-Museum Wales, United Kingdom Dylan T Clarke --- Iziko Museums of South Africa, South Africa‘A monograph on the Polychaeta of Southern Africa’ by J. H. Day, published in 1967 and covering over 700 species, was considered an essential reference text for marine biologists. Nonetheless, despite the major contribution it has made, we now know... -
Adrenocortical carcinoma in a patient presenting with recurrent pulmonary emboli
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A Davids --- Tygerberg Academic Hospital, Stellenbosch University, South Africa EC Kruger --- Tygerberg Academic Hospital, Stellenbosch University, South Africa AE Zemlin --- Tygerberg Academic Hospital, Stellenbosch University, South Africa M Conradie-Smit --- Stellenbosch University, South AfricaAdrenocortical carcinomas are rare malignancies with a clinically heterogeneous presentation. These tumours can be detected incidentally on imaging, where biochemical evaluation is required to assess tumour functionality. This case describes a patient presenting with recurrent pulmonary emboli and an incidental... -
Does financial literacy enhance banking transactions among rural people with access to bank accounts? Insights from a field experiment in Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Yaa Afi Osei --- University of Pretoria, South Africa Helena Barnard --- University of Pretoria, South Africa William Derban --- University of Pretoria, South Africa Dominic Essuman --- University of Pretoria, South AfricaBank account usage is a fundamental indicator of financial inclusion. Across sub-Saharan Africa, various stakeholders actively work to improve access to banking. This study uses motivation, opportunity and ability theory, with self-efficacy as a boundary condition, to theorize the relationship... -
The economics of cowpea seed contracting in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edward Martey --- CSIR-Savanna Agricultural Research Institute, Ghana Prince M. Etwire --- CSIR-Savanna Agricultural Research Institute, Ghana Emmanuel Y. Owusu --- CSIR-Savanna Agricultural Research Institute, Ghana Desmond S. Adogoba --- CSIR-Savanna Agricultural Research Institute, Ghana Bashiru Haruna --- CSIR-Savanna Agricultural Research Institute, Ghana Mustapha M. Suraj --- CSIR-Savanna Agricultural Research Institute, Ghana Lucky Omoigui --- International Institute of Tropical Agriculture, NigeriaThe economic impact of agricultural contracting in developing economies has been widely studied. However, limited attention has been given to the specific dynamics of seed contracting among seed producers, despite their crucial role in seed delivery systems. Price volatility remains... -
Trophic interactions of two sympatric small pelagic fishes off the southern coast of Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DPA Quiatuhanga --- University of Namibe, Angola P Morais --- , United States MA Teodósio --- Universidade do Algarve, PortugalNumerous small pelagic fish species are of great economic importance and link the lower and upper levels of the marine food web. The round sardinella Sardinella aurita and flat sardinella S. maderensis coexist along their distribution range in the southeastern... -
“No blood on their hands”?: The structured incoherence of the apartheid state and its violence
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Joshua D. Rubin --- Colby College, United States of AmericaThe ideological contradictions generated by South Africa’s apartheid regime were neither exceptional nor wholly derivative of structural and physical violence. Instead, these contradictions contain valuable information about the practical operations of the state that produced them. Drawing from state archives... -
HIV incidence and prevalence projections for Zimbabwe: Findings from five mathematical models
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Isaac Taramusi --- UNAIDS UCO Zimbabwe, Zimbabwe John Stover --- , United States of America Robert Glaubius --- , United States of America Tsitsi Apollo --- Ministry of Health and Child Care, Zimbabwe Getrude Ncube --- Ministry of Health and Child Care, Zimbabwe Owen Mugurungi --- Ministry of Health and Child Care, Zimbabwe Ngwarai Sithole --- Ministry of Health and Child Care, Zimbabwe Loveleen Bansi-Matharu --- Institute for Global Health, University College London, United Kingdom Jenny Smith --- Institute for Global Health, University College London, United Kingdom Andrew Phillips --- Institute for Global Health, University College London, United Kingdom Valentina Cambiano --- Institute for Global Health, University College London, United Kingdom Daniel T Citron --- New York University Grossman School of Medicine, United States of America Anna Bershteyn --- New York University Grossman School of Medicine, United States of America Debra ten Brink --- Burnet Institute, Australia Rowan Martin-Hughes --- Burnet Institute, Australia Michael Pickles --- Medical Research Council Centre for Global Infectious Disease Analysis, Imperial College London, United Kingdom Paul Revill --- University of York, United Kingdom Amon Mpofu --- National AIDS Council of Zimbabwe, Zimbabwe Jeffrey Imai-Eaton --- Chan School of Public Health, Center for Communicable Diseases Dynamics, Harvard University, United States of America Richard Makurumidze --- Faculty of Medicine and Health Sciences, University of Zimbabwe, Zimbabwe Simbarashe Rusakaniko --- Faculty of Medicine and Health Sciences, University of Zimbabwe, ZimbabweIntroduction: Understanding how HIV epidemics are likely to behave in the future is key to informing HIV response strategies in low-income countries. Up-to-date HIV epidemiological estimates are important for policy decision- making, but surveillance data can be out of date... -
Congruences modulo powers of 5 for partitions into odd and distinct parts
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dazhao Tang --- Chongqing Normal University, P.R. ChinaLet Q 0(n) denote the number of partitions of n into odd and distinct parts. In 1969, Rødseth proved an infinite family of congruences modulo high powers of 5 for Q 0(n) by employing the theory of modular forms. In... -
Deductibility of input tax on share issue costs in the context of the broad taxation principles
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Wilna Beukes --- Stellenbosch University, South Africa Andrea van der Merwe --- Stellenbosch University, South AfricaPurpose: The purpose of this article is to determine whether input tax on share issue costs incurred should be deductible, in consideration of the broad taxation principles of neutrality, efficiency, flexibility, certainty and simplicity and effectiveness and fairness. -
Macro-level determinants of research output in Nigerian knowledge institutions: A case study of ICT researchers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bolanle A. Adewusi --- , Canada Oluseye Jegede --- University of Johannesburg, South AfricaThis study explores the factors that influence ICT research productivity across Nigerian universities and government research agencies. Using a mixed-methods approach, the research combines conceptual analysis with quantitative techniques, drawing on the PESTLE model, the Entrepreneurship Ecosystem, and the Triple... -
Mobile FinTech and financial inclusion in sub-Saharan Africa: A comparative analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdul Karim Kamara --- University of International Business and Economics, People’s Republic of China Emmanuel Owusu Oppong --- University of International Business and Economics, People’s Republic of ChinaThis paper examines the impact of mobile FinTech on financial inclusion in sub-Saharan Africa. The analysis used data from the Global Findex database in 2014, 2017, and 2021 and from the World Development Indicators database. For mobile FinTech, the study... -
Viability of shortened canola production systems in a winter rainfall region of South Africa based on eleven years of field data
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: JA Strauss --- , South Africa L Nowers --- , South Africa M Booyse --- Agricultural Research Council, Biometry, South Africa M Van der Rijst --- Agricultural Research Council, Biometry, South AfricaCrop rotation is a key component of conservation agriculture, known to enhance yields and break the cycles of pests and diseases. In the Western Cape, South Africa, canola has become an increasingly important cash crop, with producers considering shorter rotation... -
Ngabe iziLimi zoMdabo zaseNingizimu Afrika zikulungele ukuthi kufundiswe ngazo? Ukuhunyushelwa esiZulwini kwencwadi yamaKhono eMpilo
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Erick Nkululeko Nzimande --- University of South Africa, South AfricaUkusetshenziwa kweziLimi zaboMdabo zaseNingizimu Afrika njengezilimi zokufundisa ezikoleni nasemfundweni ephakeme kuyinto esicwaningwe ngabacwaningi abaningi. Kodwa-ke ocwaningweni oselwenziwe luncane kakhulu olubheka ukuthi zikhona yini izinsizakufunda ezizokwenza ukufundisa ngalezi zilimi kube yimpumelelo. Ngakho-ke inhloso yalolu cwaningo ukuhlaziya ukuhunyushwa kweNcwadi kaThisha yamaKhono eMpilo... -
Mobile financial services and performance of business in the informal economy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Benjamin Bisimwa Cisagara --- University of Latvia, LatviaThe rapid growth of mobile financial services in emerging economies presents a vital opportunity to assess their impact on informal business performance, yet current empirical evidence remains mixed. Utilizing mixed methods, including quantitative analysis of the World Bank's 2023 Informal... -
The role of digital inclusive finance in rural revitalization: Mediating effects of infrastructure and education
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yingying Li --- Kunming University of Science and Technology, People’s Republic of China Zhao Rui Feng --- Kunming University of Science and Technology, People’s Republic of China Muhammad Dawood --- Yunnan Technology and Business University, People’s Republic of China Xiang Long --- Yunnan Provincial Government Development Research Center, People’s Republic of ChinaTo explore in depth the impact of digital inclusive finance (DIF) on rural revitalization, this study employs the entropy method to measure the level of rural revitalization across 30 provincial-level administrative regions in mainland China from 2014 to 2023. It... -
Sustainable development outcomes of tech-based industrialization in emerging markets
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Germain Stephane Ketchoua --- University of Johannesburg, South Africa Muhamadu Awal Kindzeka Wirajing --- University of Dschang, Cameroon Jean-Claude Mousseuknadji Kouladoum --- University of N’Djamena, ChadIndustrialization is vital for economic growth, producing goods using technology, skilled labour, and efficient processes, driving innovation and employment. This study scrutinizes government spending and financial inclusion on the relationship between tech-intensive manufacturing value added and sustainable development in emerging...
