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An Evaluation of the Use of “Gentan” Probabilities in Forestry Planning
Item type: Journal Article • Journal: South African Forestry Journal • Authors: JohnH. Randall --- Department of Biometry, South Africa Klaus von Gadow --- Department of Forest Science, South AfricaAn evaluation of Suzuki's concept of Gentan probabilities is presented. Model fitting is discussed in some detail. It is shown that the Gentan method is suitable only for forests that are at least close to normality. -
Are Pine Plantations “Inhospitable Seas” around Remnant Native Habitat within South-western Cape Forestry Areas?
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A.J. Armstrong --- Department of Nature Conservation, South Africa H.J. van Hensbergen --- Department of Nature Conservation, South Africa D.F. Scott --- Jonkershoek Forestry Research Centre, South Africa S.J. Milton --- , South AfricaSome areas of forestry estates, including unplantable ones, may be zoned and managed for nature conservation. This paper is an analysis of the results of studies of plants, birds and small mammals at Jonkershoek, Stellenbosch, to determine whether pine plantations... -
Spatial pattern and variability of soils in a granite landscape, north-east of Nelspruit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South AfricaMorphological and selected chemical and granulometric properties of eleven soil profiles occurring on five hillslope sites (midslope, upper footslope, mid-footslope, lower footslope and valley bottom) were determined in order to evaluate the spatial pattern and variability of soils in a... -
Spatial pattern and variability of soil and hillslope properties in a granitic landscape 1. Pretoriuskop area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Munnik --- Department of Geography, Republic of South Africa E. Verster --- Department of Geography, Republic of South Africa T.H. van Rooyen --- Department of Geography, Republic of South AfricaCharacteristics of nine hillslope profiles and selected properties of 69 soil profiles were determined in order to evaluate the spatial pattern and variability of soil and hillslope properties in a granitic area near Pretoriuskop, Kruger National Park. A transect design... -
Spatial pattern and variability of soil and hillslope properties in a granitic landscape 2. Pretoria—Johannesburg area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Munnik --- Department of Geography, Republic of South Africa E. Versterand --- Department of Geography, Republic of South Africa T.H. van Rooyen --- Department of Geography, Republic of South AfricaUsing a transect design, a detailed examination was made of nine hillslopes and 64 soil profiles in the granitic area between Johannesburg and Pretoria to assess the spatial pattern and variability of soil and hillslope properties. The land surface was... -
Influence of intensive irrigation and cultivation on selected soil properties: Arid southern Namibia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South Africa T.H. van Rooyen --- Department of Geography, Republic of South AfricaThe effect of long-term (25 years) intensive irrigation on selected soil properties of the Hardap Irrigation Scheme was determined by comparing soil profiles in irrigated and adjacent non-irrigated areas. The major differences detected between five soil pairs were rubification of... -
Spatial pattern and variability of soil and hillslope properties in a granitic landscape. 3. Phalaborwa area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Munnik --- Department of Geography, Republic of South Africa E. Verster --- Department of Geography, Republic of South Africa T.H. van Rooyen --- Department of Geography, Republic of South AfricaA pedogeomorphic study was made of the area immediately east of Phalaborwa underlain by granitic materials. Fifty-five soil profiles from nine transects were examined in detail to determine, among other things, the spatial variability of the soils and the hillslope... -
Spatial distribution of selected chemical properties of soils situated close to an abandoned manganese mine
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G. E. Ekosse --- , South Africa P.S. Fouche --- , South AfricaThis study aimed at understanding the spatial distribution of the base saturation percentage (PSB), cation exchange capacity (CEC), pH(water) and electrical conductivity (EC) in soils situated close to the abandoned Kgwakgwe Mn oxide ore mine, Botswana. Four hundred soil samples... -
Interaction between Cape hake spawning and the circulation in the northern Benguela upwelling ecosystem
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: S. Sundby A. J. Boyd L. Hutchings M. J. O'Toole K. Thorisson A. ThorsenCape hake in Namibian waters are demersal and mesopelagic spawners, spawning peaking offshore between 100 and 400 m deep, depending on local environmental conditions. The cross-shelf circulation, low-oxygen layers and mesoscale gyres are three important environmental factors influencing hake spawning... -
DECOMPOSITION IN FRESHWATER ECOSYSTEMS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: R.D. Robarts --- , South AfricaThis review examines the sources and composition of organic matter and the decomposition of particulate and dissolved organic matter (POM and DOM) in freshwater ecosystems. The main points to emerge from the review are listed below. -
DECOMPOSITION IN PELAGIC MARINE ECOSYSTEMS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: M.I. Lucas --- Zoology Department, South AfricaDuring the decomposition of plant detritus, complex microbial successions develop which are dominated in the early stages by a number of distinct bacterial morphotypes. The microheterotrophic community rapidly becomes heterogenous and may include cyanobacteria, fungi, yeasts and bactivorous protozoans. -
MODELS OF ECOSYSTEMS AND AQUATIC ENVIRONMENTS: DEVELOPMENT AND APPLICATION
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.R. Allanson --- , South AfricaAn historical treatment of a number of principal events is given. This leads to an assessment of the current research approach in hydrobiology and its success in the development of process orientated ecosystem component models. With the contemporaneous development of... -
THE DEVELOPMENT OF ECOLOGICAL CONCEPTS IN LIMNOLOGY, WITH PARTICULAR REFERENCE TO THE LAST TWENTY-FIVE YEARS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: C.S. Reynolds --- , UKThis paper compares the development of ecological ideas in limnological science with those refined in terrestrial biology. It is suggested that topics peculiar to the perception and management of aquatic systems had a distracting influence upon the conceptual development of... -
ECOLOGICAL PROBLEMS IN HARTBEESPOORT DAM
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: AndrewC. Jarvis --- National Institute for Water Research,In Hartbeespoort Dam ecological problems arise primarily as a consequence of the reservoir's hypertrophic condition. The development of anaerobic conditions, high primary productivity and blue-green algal dominance have many detrimental influences on ecosystem structure and function. With high rates of... -
A CHARACTERIZATION OF SOUTHERN AFRICAN ESTUARINE SYSTEMS
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: A.K. Whitfield --- , South AfricaModifications to the structure and functioning of southern African estuarine systems can be placed into two major categories; those changes that have been driven by global forces such as climatic and sea-level fluctuations, and those that have resulted from direct... -
A LIMNOLOGICAL PROFILE OF THE UPPER OKAVANGO DELTA AT LOW WATER LEVEL
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: Rob C. Hart --- ,Selected limnological attributes of the Okavango Delta panhandle were measured during a brief summer survey of “open-water” habitats extending from the permanent mainstream channel, through contiguous off-channel lagoons and still backwaters, to seasonally isolated floodplain lagoon and temporary pool biotopes... -
What engages the interest of land managers in rangeland monitoring?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M.H. Friedel G.C. Stuart-Hill D. WalshFor many decades, scientists have been devising and refining ways of monitoring the world's rangelands. Government land management agencies have often been keen contributors to the process because they are custodians of publicly owned land and need to represent the... -
Which grazing management practices are most appropriate for maintaining biodiversity in South African grassland?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: TG O'Connor --- , South Africa P Kuyler --- Centre for Environmental Management, Faculty of Natural and Agricultural Sciences, South Africa KP Kirkman --- School of Biological and Conservation Sciences, South Africa B Corcoran --- , South AfricaThe relative benefit of different grazing management practices for maintaining grassland biodiversity integrity was assessed. Practices considered were grazing system, stocking rate, animal type, grazing season, fire–grazing interaction, plus burning regime. Sparse empirical data indicated that stocking rate, cattle-to-sheep ratio,... -
Application of the 3-PG model to a Eucalyptus grandis stand subjected to varying levels of water and nutritional constraints in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J. M. Campion L.J. Esprey M.C. ScholesThe 3-PG model has shown considerable potential as a tool for predicting forest productivity. As part of a model validation exercise, 3-PG was applied to an irrigated and fertilised Eucalyptus grandis stand in the KwaZulu-Natal Midlands. Simulations were run over... -
Development and Validation of the Xhosa Translations of the Beck Inventories: 1. Challenges of the Translation Process
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gary I. Steele --- Rhodes University, David J. A. Edwards --- Rhodes University,This article describes the translation of the Beck Depression Inventory-II, the Beck Hopeless Scale, and the Beck Anxiety Inventory, into Xhosa the language spoken in the Eastern Cape of South Africa. The processes of translation, back-translation and committee discussion failed... -
Processes and Functions in Higher Education Students Adjusting to a New Learning Environment: Applying The Mmogotm-Method
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Vera Roos --- North-West University, South Africa M. Kenneth Maine --- North-West University, South Africa Itumeleng P Khumalo --- North-West University, South AfricaThis article explored the processes and functions amongst a community of students who had to adjust to new social and academic settings. Thirteen university students of a predominantly seTswana ethnic background participated in the study (males = 5, females =... -
Relating Identity Processing Styles to Commitment and Self-esteem among College Students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joseph Seabi --- University of the Witwatersrand,The role that identity processing styles may play in commitment and self-esteem were investigated. Measures of identity processing styles, commitment and self-esteem were administered to 112 psychology students (mean age = 18.77 years, SD = 1.3 years, males = 33,... -
Gender Identity Development and Career Decision-Making Process among High School Learners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Andile Alfred Mdikana --- University of the Witwatersrand, South Africa Joseph Seabi --- University of the Witwatersrand, South Africa Lara Rammutla --- University of the Witwatersrand, South AfricaPrevious studies reveal an inconsistent picture of identity formation for both genders. This study investigated gender differences in identity formation (identity statuses) and career decision-making process among Black South African high school learners. A sample of 156 Grade 12 learners... -
Delinquent Adolescents' Regrettable Behaviours and Parental Engagement: A Cross-cultural Comparison
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zinziswa C. Nqweni --- Nelson Mandela Metropolitan University, Ellen E. Pinderhughes --- Tufts University, Sean Hurley --- University of Vermont,We examined delinquents' involvement in regrettable behaviours, their meaning-making processes and parental engagement in preventing these behaviours. After reviewing court-record data for 109 males and females of African descent (50 South African and 50 American youth) for data on delinquency,... -
Towards an Understanding of Nurturing and Restraining Relational Patterns in School Communities
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ansie Elizabeth Kitching --- North-West University, Vera Roos --- North-West University, Ronel Ferreira --- University of Pretoria,This study aimed to understand the nature of nurturing and restraining relationships in a school communiy. The inquiry entailed a single instrumental case study of a selected school community in a semi-urban context in South Africa. Participants were learners (n=720),... -
The Relationship Between Emotional Intelligence, Study Orientation in Mathematics and the Mathematics Achievement of the Middle Adolescent
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Lizelle Fletcher --- University of Pretoria, Petro Erasmus --- North West University,This article describes the extent to which emotional intelligence and study orientation predict the mathematics achievement of middle adolescents. Altogether 435 learners in Grades 9 and 11 from three high schools in the Mafikeng region completed the Bar-On EQ-i: YV™... -
Natural Alternatives For One Dimensional Median Filtering
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: C.H. Rohwer M. WildFor practical purposes median smoothers have often been considered the basic components for the construction of simple non-linear smoothers for removing impulsive noise before any subsequent linear signal extraction from a sequence. Alternatives exist that are computationally convenient, conceptually simpler... -
Intrapartum practices to limit vertical transmission of HIV
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Antoinette du Preez Engela du Plessis Abel PienaarThe need to improve health services to HIV-positive women requires a specific focus on limiting mother-to-child transmission. Vertical transmission most often takes place during the intrapartum period; hence, it is essential to alert midwives to what constitutes safe or risky... -
Fear appeals in HIV-prevention messages: young people's perceptions in northern Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sheri Bastien --- Faculty of Medicine, Institute for Basic Medical Sciences, NorwayThe aims of the study were to elicit the perceptions of young people in Tanzania on the role of fear appeals in HIV-prevention messages and to identify important contextual factors that may influence young people's perceptions of HIV-prevention posters. A... -
MODELS OF ECOSYSTEMS AND AQUATIC ENVIRONMENTS: DEVELOPMENT AND APPLICATION
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: B.R. Allanson --- , South AfricaAn historical treatment of a number of principal events is given. This leads to an assessment of the current research approach in hydrobiology and its success in the development of process orientated ecosystem component models. With the contemporaneous development of... -
Modelling growth and water use in four Pinus patula stands with the 3-PG model
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors:Accurate prediction ofgrowth andyield offorest plantations remains importantto the forestry industry for such purposes as assessing the benefits ofsilvicultural practices, matching species to site, understanding economic risks, predicting profitability and scheduling harvests. Conventional methodology is based on statistically-derived stand growth... -
Biological processes as indicators of sustainable plantation forestry
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: MaryC Scholes --- School of Animal, Plant and Environmental Sciences,This paper discusses the use of an ecosystems approach in the management of plantations and the concept of plantations in providing goods and services. Ecological indicators are compared for the CIFOR and South African systems. The CIFOR system focuses on... -
Estimating the leaf area index (LAI) of black wattle from Landsat ETM+ satellite imagery
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S.T. Ghebremicael --- School of Applied Environmental Sciences, Faculty of Science and Agriculture, South Africa C.W. Smith --- , South Africa F.B. Ahmed --- School of Applied Environmental Sciences, Faculty of Science and Agriculture, South AfricaRemote sensing techniques have the potential to provide resource managers with a rapid and economical method of acquiring information related to forest productivity and water use. This study evaluated the utility ofLandsat ETM +satellite imagery to predict canopy attributes ofBlack... -
Harvesting, processing and utilisation of rattan canes in Western Nigeria
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: E. Babajide Lucas --- Department of Agricultural Engineering, Nigeria Bamidele I.O. Dahunsi --- Department of Civil Engineering, NigeriaField trips were undertaken as a preliminary exercise, to identify the available rattan species in Western Nigeria and to estimate the quantities available. Information relating to their end-uses was collected from cane furniture makers and other rattan cane users through... -
Some notes on the effect of wet-storage on timber
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: F.S. Malan --- Komatiland Forests Pty Ltd, AfricaThe storage of logs under water sprays has proved to be a highly effective method to preserve logs over prolonged periods against drying defects and infestation by staining fungi. Wet-storage has little effect on wood quality apart from some degradation... -
Pinus saw timber tree optimisation in South Africa: a comparison of mechanised tree optimisation (harvester/processor) versus current manual methods
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: John Eggers --- , South Africa Andrew McEwan --- , South Africa Beatrice Conradie --- , South AfricaBoth Cut to Length (CTL) and Full Tree/Tree Length (FT/TL) ground-based systems are used to harvest pine in South Africa. The fully mechanised CTL system is the most recently introduced system in South Africa. One of the reasons for the... -
Excavator-based processor operator productivity and cost analysis in Zululand, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: G Hogg --- Department of Forest and Wood Science, South Africa R Pulkki --- Department of Forest and Wood Science, South Africa P Ackerman --- Department of Forest and Wood Science, South AfricaOperator impact on productivity and cost using similar processor machines was addressed in this case study. The study had two objectives: (1) determine the extent of operator productivity variation between six processor operators in a harvesting operation; and (2) determine... -
Influence of molasses additive and moisture level at ensiling on fermentative characteristics of Panicum maximum
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WA van Niekerk A Hassen FM BechazSilages made from directly cut or wilted Panicum maximum treated with or without molasses, were evaluated to determine fermentative characteristics. The grass was harvested at the boot stage of growth and the material of each treatment was ensiled in separate... -
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... -
LULU operators for functions of continuous argument
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Roumen Anguelov Carl RohwerThe LULU operators, well known in the nonlinear multiresolution analysis of sequences, are extended to functions defined on a continuous domain, namely, a real interval. We show that the extended operators replicate the essential properties of their discrete counterparts. More... -
Climate and growth influences on wood formation and utilisation
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: GM Downes DM DrewWood is produced by a complex sequence of interactions between gene–protein expression and the local environment. It is produced by the vascular cambium, an essentially two-dimensional surface of meristematic cells covering the tree stem. The growth of any individual cambial... -
A method of teaching clinical problem-solving skills to primary health care student nurses
Item type: Journal Article • Journal: South African Family Practice • Authors: A Truscott --- Division of Rural Health, Department of Family Medicine, South AfricaThe article provides a description of a method of teaching a clinical problem-solving process to primary health care nurses/clinical nurse practitioners (PHC nurses). The process was developed in the Soweto PHC Nurse Training Unit over the past 30 years as... -
Promoting technology adoption in the small-scale oil palm fruit processing sector in south-western Nigeria: an innovation systems approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olawale O. Adejuwon --- African Institute for Science Policy and Innovation, Obafemi Awolowo University, Nigeria Kehinde A. Taiwo --- Department of Food Science and Technology, Nigeria Matthew O. Ilori --- African Institute for Science Policy and Innovation, Obafemi Awolowo University, NigeriaTechnologies have been developed for various unit operations in small-scale oil palm fruit processing in Nigeria. However, a majority of small-scale processors in the country still adopt traditional techniques, with a few adopting processing technologies for a particular stage in... -
The electronic voting machine: a continuous process of achieving quality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Manik Kher --- Department of Interdisciplinary Studies in Humanities and Social Sciences, IndiaThe mandatory use of electronic voting machines in the Indian electoral process has brought about a sea change in making the elections free, fair, eco-friendly and cost effective. This paper discusses how through continuous improvement and stringent quality checks the... -
Capital budgeting: A case study analysis of the role of formal evaluation techniques in the decision making process
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E Gilbert --- Graduate School of Business, University of Cape Town,This paper furthers the understanding of capital budgeting by reviewing two individual capital investment decisions taken by manufacturing firms in South Africa. This study indicates that managers do not base their capital investment decisions on a comparison of the expected... -
Joint degrees and engaging with a Europe of Knowledge: lessons from a UK perspective of a challenging collaborative endeavour
Item type: Journal Article • Journal: • Authors: Jan Katherine Bamford --- Creative Industries, Faculty of Business and Law, London Metropolitan University, London, UKInternational joint degrees offer the possibility of internationalising the curriculum, enhancing intercultural skills for both staff and students and enhancing global job opportunities. This paper examines the challenges for staff and institutions engaging in developing a ‘Europe of Knowledge’ by offering a... -
The evaluation of career-oriented dialogues in a social constructivist learning environment
Item type: Journal Article • Journal: • Authors: Hanneke Assen --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Wichard Zwaal --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsThis study explored career-oriented dialogues between study career coaches (SCCs) and first-year students in a social constructivist learning environment. Four types of orientation in career-oriented dialogues were identified: action, evaluation, analysis and design. Additionally, the type of dialogue, the topics... -
A first report on the morphology of the postantennal process in Lernanthropus (Lernanthropidae: Copepoda) and its Possible Significance as a Taxonomic Feature
Item type: Journal Article • Journal: South African Journal of Zoology • Authors: P.A.S. Olivier --- Department of Zoology, Republic of South Africa S.M. Dippenaar --- Department of Zoology, Republic of South Africa J.P. van Niekerk --- Department of Zoology, Republic of South AfricaNotes on the postantennal process as a category of cuticular spines of parasitic Copepoda are given. Arguments on the status of the postantennal process as an appendage are briefly compared. It is concluded that these structures are cuticular outgrowths and... -
Colon cancer and the consumption of red and processed meat: an association that is medium, rare or well done?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: SM Kassier --- Dietetics and Human Nutrition, South AfricaIn 2015, the International Agency for Research on Cancer (IARC) indicated that red meat is a probable cause of colon cancer, while processed meat was classified as carcinogenic. The 2010 indicators of lifetime risk for developing colorectal cancer among South... -
The evaluation of career-oriented dialogues in a social constructivist learning environment
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Hanneke Assen --- Stenden University of Applied Sciences, The Netherlands Wichard Zwaal --- Stenden University of Applied Sciences, The NetherlandsThis study explored career-oriented dialogues between study career coaches (SCCs) and first-year students in a social constructivist learning environment. Four types of orientation in career-oriented dialogues were identified: action, evaluation, analysis and design. Additionally, the type of dialogue, the topics... -
Joint degrees and engaging with a Europe of Knowledge: lessons from a UK perspective of a challenging collaborative endeavour
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jan Katherine Bamford --- Creative Industries, Faculty of Business and Law, UKInternational joint degrees offer the possibility of internationalising the curriculum, enhancing intercultural skills for both staff and students and enhancing global job opportunities. This paper examines the challenges for staff and institutions engaging in developing a ‘Europe of Knowledge’ by... -
Identity and acculturation: The case for Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Byron G. Adams --- Tilburg University, the Netherlands and University of Johannesburg, South Africa Fons J. R. van de Vijver --- Tilburg University, The Netherlands, North-West University, South Africa, and University of Queensland, AustraliaDespite the multicultural nature of African societies, there is still very little knowledge about acculturation and its association with identity on this continent. Acculturation processes and outcomes are strongly associated with identity. The objective of this article is to relate... -
Upgrading opportunities in agricultural value chains: Lessons from the analysis of the consumption of processed pineapple products in southern Benin
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Augustin K. N. Aoudji --- Département d’Economie, de Socio-Anthropologie et de Communication pour le développement rural, Faculté des Sciences Agronomiques, Bénin Carolle Avocevou-Ayisso --- Département d’Economie, de Sociologie Rurales, Ecole Nationale Supérieure des Sciences et Techniques Agronomiques de Kétou, Kétou, Bénin Anselme Adégbidi --- Département d’Economie, de Socio-Anthropologie et de Communication pour le développement rural, Faculté des Sciences Agronomiques, Bénin Cassien Gbénou --- UFR des Sciences Agronomiques, Bénin Philippe Lebailly --- Unité d’Economie et Développement rural, BelgiqueThis study analyzed the consumption of processed pineapple products in southern Benin. The low processing of agricultural products does not enable sub-Saharan Africa to exploit the potential of agriculture for development. The objective of this paper was to identify upgrading... -
Functionally graded metal matrix composite by centrifugal casting technique mathematical correlation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Williams S. Ebhota --- Discipline of Mechanical Engineering, South Africa Freddie L. Inambao --- Discipline of Mechanical Engineering, South AfricaThe functionally graded materials (FGMs) solidification process has complicated movement phenomena of fluid, solute and heat. These phenomena control the segregation of particles in a molten matrix, interactions of particles with a solidification front and the integration of particles in... -
New product development process: The case of selected technical and vocational colleges in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abiodun Isaac Oyebola --- African Institute for Science Policy and Innovation, Nigeria Titilayo Olubunmi Olaposi --- African Institute for Science Policy and Innovation, Nigeria Olawale Oladapo Adejuwon --- African Institute for Science Policy and Innovation, Nigeria Joshua Babatunde Akarakiri --- African Institute for Science Policy and Innovation, NigeriaAn examination of the literature reveals that studies on new product development processes have been carried out mostly in western contexts using sequential models. This study was conducted using the innovation systems approach and a sequential model to analyze new... -
Confirming the structure of the dual process model of diversity amongst public sector South African employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leon T. B. Jackson --- WorkWell Research Unit for Economics and Management Sciences, South Africa Fons J. R. van de Vijver --- WorkWell Research Unit for Economics and Management Sciences, South AfricaWe set out to validate the structure of the Dual Process Model of Workplace Diversity in a South African work setting contrasting black and white African employees. The study participants were a convenience sample of 296 public service employees (black... -
An overview of pedogenesis in Technosols in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Angelique Daniell --- Unit for Environmental Science and Management, South Africa Pieter W van Deventer --- Unit for Environmental Science and Management, South AfricaTechnosols are soils dominant in technical artifacts, formed from anthropogenic deposits or transported materials. While anthropogenic in origin, it is clear that pedogenic processes are active within Technosols, i.e. transformation and translocation of elements, minerals and particles within these materials... -
Efforts Toward Improving Maize Yields on Smallholder Farms in Uasin Gishu County, Kenya, through Site-specific, Soil-testing-based Fertiliser Recommendations: A Transdisciplinary Approach
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Arusey Chebet --- University of Eldoret, Kenya Njoroge Ruth --- University of Eldoret, Kenya Otinga A. Nekesa --- University of Eldoret, Kenya Wilson Ng’etich --- University of Eldoret, Kenya Koech Julius --- University of Eldoret, Kenya Roland W. Scholz --- Danube University, AustriaThis study evaluated the effects of site-specific, soil-testing-based fertiliser recommendations on maize yields using the transdisciplinary (TD) process. The TD process utilizes knowledge from science and practice. Farmers, extension officers, local financial institutions, and other practitioners collaborated with local scientists... -
Behind the emergence of management scholarly communities in Asia and Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David B. Zoogah --- Williams College of Business, South Africa Mike W. Peng --- Jindal School of Management, USA Bruce T. LamontManagement scholarly communities have recently emerged in Asia and Africa. What are the antecedents behind their rise? What are the processes that facilitate their acceptance by internal and external stakeholders? Drawing on the sociology of science literature, this article develops... -
The absorption and usage of cloud accounting technology by accounting firms in Cape Town for services provided to their clients
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sharon Rudansky-Kloppers --- Department of Business Management, South Africa Kobus Van den Bergh --- Sable International, South AfricaCloud computing is one of the latest technological innovations and offers organizations of all sizes new and unique opportunities and challenges. Many firms worldwide have, however, become used to running their businesses in the traditional way and seem to be... -
Designing a business model from process perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Aygül Dönmez-Turan --- Faculty of Economic and Administrative Sciences, Departments of Business Administration, Turkey Mina Özevren --- Faculty of Business Administration, TurkeyThe business model is a relatively new concept in entrepreneurship and strategic management literature. Thus, the growing body of business model literature contains qualitative research, especially case studies. The key reason business models are explained via case studies is that... -
The taste of a healthy and sustainable diet: What is the recipe for the future?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Peter R Klosse --- Gastronomy, Hotel Management School Maastricht, The NetherlandsThe world faces serious challenges and many of those involve current food behaviour. People have been seduced into liking food and drinks that are neither healthy nor good for the environment. Clearly we need a robust food system that is... -
Design, fabrication and performance evaluation of centrifugal sunflower dehuller for small-scale enterprises in developing countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yuda Lyangalo Benjamin --- Department of Engineering Sciences and Technology, Tanzania Ezra Lazaro --- Department of Engineering Sciences and Technology, TanzaniaSunflower is grown by small-scale farmers in many developing countries like Tanzania. Lack of effective machines for dehulling sunflower seeds has resulted in high oil losses during extraction, especially for small- and medium-scale enterprise. This paper reports on the design,... -
Fostering entrepreneurship for innovation in African Banks’ subsidiaries
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Christian Wolf --- Policy Experimentation & Evaluation Platform, Portugal Dana T. Redford --- Policy Experimentation & Evaluation Platform, PortugalHow to keep the spirit and dynamics of an entrepreneurial venture alive as it evolves into a large institution? A small number of African-owned banks have risen from early entrepreneurial beginnings to large scale operations with subsidiaries in international markets... -
The Problematics of Naming in Kenyan Creative Narratives
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Makau Kitata --- Literature, University of Nairobi, KenyaThere is a tendency in Kenyan literature, which can be defined as ahistorical ethnopolitanism. In this approach the writer chooses to use names of characters and places that indicate an attempt to see the Kenyan community from a distance. The... -
A case of inheritance: from citizens’ forum to magisterial justice in Botswana’s customary courts
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Pnina Werbner --- , United Kingdom Richard Werbner --- , United KingdomBotswana’s customary courts were known in the past for their procedural openness to debate. The presiding judge allowed members of the court, usually in ascending order of seniority, to express their views on the case, before finally reaching a judgement... -
Spatial variation of nutrients and primary productivity in the Rufiji Delta mangroves, Tanzania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Minu --- , Tanzania J Routh --- , Sweden JF Machiwa --- , Tanzania S Pamba --- , TanzaniaDeterminations of spatial and temporal variations in organic matter and nutrient dynamics in water and sediments are crucial for understanding changes in aquatic bodies. In this study, we (i) determine the spatial dynamics of dissolved inorganic nutrients, during the transition... -
Complex network to enhance characterization analysis in modelling product development process
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fateh Bencherif --- , Algeria Leila Hayet Mouss --- , AlgeriaNowadays, successful and innovative product development is highly correlated with the company's success and reason for existence. A development process is a major factor influencing cost, timing and quality of product development. It requires additional attention to decisions made about... -
Physical properties of Tectona grandis (Lamiaceae) juvenile wood thermally modified in a closed system
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Natália A Cunha --- , Brazil Tiago A Gales --- , Brazil Amanda M Nunes --- , Brazil Glaucileide Ferreira --- , Brazil Thaís M Brito --- , Brazil Adriano Ribeiro de Mendonça --- , Brazil Djeison C Batista --- , BrazilThis paper reports the first results of the effect of an industrial closed-system thermal modification process on the physical properties of fast-growth teak wood (Tectona grandis L.f.). The wood (juvenile) came from thinning a 15–18-year-old plantation located in Mato Grosso... -
Seasonal variation and drivers of zooplankton, macroinvertebrate and littoral fish communities from irrigation ponds in a semi-arid region in the Eastern Cape (South Africa)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Mofu --- , South Africa T Dalu --- , South Africa RJ Wasserman --- , South Africa DJ Woodford --- , South Africa D Khosa --- , South Africa OLF Weyl --- , South AfricaIrrigation ponds are increasingly abundant globally, particularly in water-stressed countries with limited natural surface waters, yet knowledge of their ecology is limited. Here, we assessed zooplankton, macroinvertebrate, and littoral fish communities from irrigation ponds located in the Sundays River Valley... -
Calibration and evaluation of the Sustainable Grazing Systems pasture model for predicting native grass aboveground biomass production in southern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Walter Svinurai --- , South Africa Abubeker Hassen --- , South Africa Eyob Tesfamariam --- , South Africa Abel Ramoelo --- , South Africa Brendan Cullen --- , AustraliaSimulation modelling of grass biomass production has gained huge attention since the early 2000s, but it has rarely been applied to southern African rangelands, due to limited data availability for model calibration and evaluation. This study was conducted to calibrate... -
South Africa’s agro processing trade in value added, global value chains (GVCs) perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ajebush A. Shafi --- , Republic of South Africa Mammo Muchie --- , Republic of South Africa Getachew T. Sedebo --- , Republic of South AfricaThe agro-processing sub-sector of the manufacturing industry has high recognition on the South African government’s development agenda. Yet, the contribution of the sector to the economy with respect to the foreign trade earning appears to be low in comparison to... -
Factors influencing eco-industrial development in Africa: A SWOT analysis of a Tanzanian industrial park
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Amani G. Rweyendela --- , Tanzania Godlisten G. Kombe --- , TanzaniaEco-industrial parks (EIPs) have been proposed as a transformative model for assisting developing countries in upgrading their industrial systems to meet higher global environmental standards while boosting economic competitiveness. However, for many industrial settings, the requisite contextual requirements have yet... -
Analyzing the grassroots innovation process in India from a design perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gautam Sharma --- , IndiaDesign is the act of transforming an existing situation into a preferred one. Taking this broad definition of design, the paper analyzes the process of grassroots innovations from a design perspective in the three phases of idea generation, experimentation, and... -
Critical success factors using analytic hierarchy process: Perception of professionals in the Ethiopian construction sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Solomon Belay --- , Ethiopia James Goedert --- , USA Asregedew Woldesenbet --- , Ethiopia Saeed Rokooei --- , USAMultiple studies have been conducted on critical success factors (CSFs) in the construction industry in developed markets but only a few studies have focused on CSFs in emerging markets. The purpose of this study is to identify and prioritize CSFs... -
Psychological flexibility as a moderator of the relationship between HIV-related stigma and resilience among HIV/AIDS patients
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Chinenye Joseph Aliche --- University of Nigeria, Nigeria Chuka Mike Ifeagwazi --- University of Nigeria, Nigeria Chisom Christopher Ozor --- University of Nigeria, NigeriaHIV-related stigmatisation is common in many parts of the world and is experienced by all categories of people living with HIV and AIDS (PLWHA). Although the negative consequences of HIV-related stigmatisation on the resilience of PLWHA is well documented, little... -
Evaluation of strategic management using SWOT-FAHP approaches in forest roads management
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Hakan Can --- Kastamonu University, Turkey Korhan Enez --- Kastamonu University, Turkey Ender Buğday --- Çankiri Karatekin University, TurkeyThe most significant steps in the management of forests is to identify the management strategies of existing forest roads, which are basic infrastructure facilities. In the present study, managerial strategies were put forward by evaluating the strengths, weaknesses, opportunities, and... -
Process evaluation of school-based peer education for HIV prevention among Yemeni adolescents
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Buthaina Al-Iryani [d357e18] Huda Basaleem Khaled Al-Sakkaf Gerjo Kok Bart van den BorneIn 2005, a survey was conducted among all the 27 high schools of Aden, which revealed low levels of knowledge on major prevention measures, and a high level of stigma and discrimination towards people living with HIV (PLWH). The results served... -
On higher order generalized geometric polynomials with shifted parameters
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: José A. Adell --- Universidad Zaragoza, Spain Beáta Bényi --- University of Public Service, Hungary Sithembele Nkonkobe --- Sol Plaatje University, South AfricaWe study a special class of higher order generalized geometric polynomials. Based on our combinatorial interpretation of labeled barred preferential arrangements, we prove several recursions. We also study the polynomials from a probabilistic point of view, and show how our... -
Identity processing styles and personal growth initiative in college students: The mediating role of cultural tightness–looseness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Precious Lucille Moakamela --- University of the Free State, South Africa Itumeleng P. Khumalo --- University of Johannesburg, South AfricaCultural norms and their regulation in society account for individual behaviour and related psychological processes. This study investigated if and how cultural norm regulation mediated the relationship between identity processing styles and intentional personal growth. A sample of 613 students... -
Patterns of rural innovation processes along agro-processing value chains: The case of Mopani district, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kgabo Hector Ramoroka --- , South AfricaInnovation is recognized as a critical driver and component of economic growth and development. While innovation is considered crucial to solve societal problems and create opportunities in rural areas, insufficient effort has gone into examining the nature of innovation processes... -
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... -
Rod temperature regulation using current and time-delayed feedback
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: V.M. Abdullayev --- Institute of Control Systems of ANAS, Azerbaijan K.R. Aida-Zade --- Institute of Control Systems of ANAS, AzerbaijanThe synthesis problem of control of objects with distributed parameters with feedback is investigated on the example of the process of heating a rod in a furnace. To generate the values of control actions, we propose to use their linear... -
Bioprospecting for active compounds: impact of milling, extract fractions and freeze-drying on targeted terpene compounds of Helichrysum odoratissimum (L.) Sweet
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Neliswa A. Matrose --- Agricultural Research Council (ARC) Infruitec-Nietvoorbij, South Africa Zinash A. Belay --- Agricultural Research Council (ARC) Infruitec-Nietvoorbij, South Africa Obikeze Kenechukwu --- University of the Western Cape, South Africa Lucky Mokwena --- Stellenbosch University, South Africa Oluwafemi James Caleb --- Stellenbosch University, South AfricaThis study investigated the effect of processing and freeze-drying on targeted volatile compounds (terpenes) of Helichrysum odoratissimum (L.) Sweet. Air-dried plant material was processed to obtain: (i) roughly ground leaves and stems (RGMHO); (ii) finely ground leaves and stems (FGMHO);... -
Stakeholder and jurisdictional influence over IFRS 10's development
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Monica Teixeira De Freitas --- School of Accountancy, South Africa Wayne van Zijl --- School of Accountancy, South Africa Asheer Jaywant Ram --- School of Accountancy, South Africa Warren Maroun --- School of Accountancy, South AfricaThe International Financial Reporting Standards are voluntarily adopted by 167 countries, including countries in Africa, Australasia, Europe and South America. To maintain its legitimacy, the International Accounting Standards Board (IASB) must not be viewed as being unduly influenced by one... -
Process innovation in low-tech industries in India: An empirical exploration
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chidambaran G. Iyer --- Centre for Development Studies, IndiaTill now, studies have determined the existence of process innovation using survey data; however, in this paper, we use secondary data to empirically establish its presence in low-tech industries. Our empirical approach consists of data envelopement analysis in the first... -
Adults living with type 2 diabetes experiences of a randomised adapted diabetes nutrition education programme: a qualitative process evaluation
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Jane W Muchiri --- University of Pretoria, South Africa Gerda J Gericke --- University of Pretoria, South Africa Paul Rheeder --- University of Pretoria, South Africa -
The effect of digital leadership on employees' radical creativity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jian Zhu --- Xiangtan University, China Yi Luo --- Xiangtan University, China Hui Wang --- Xiangtan University, ChinaDrawing on social information processing theory, this study examined the mediating role of perceived leader expectations (PLE) for creativity and perceived leader support (PLS) for creativity on the relationship between digital leadership (DL) and employees’ radical creativity (RC). A total... -
Impact of financial support on the intensity of innovation practices within SMEs – Case of Morocco
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Abdelghani Koura --- University Sultan Moulay Slimane, Morocco Mohamed Oudgou --- University Sultan Moulay Slimane, Morocco Abdeslam Boudhar --- University Sultan Moulay Slimane, MoroccoInnovation is at the heart of economic growth and societal progress. It’s a driving force that keeps businesses competitive and economies thriving. However, Moroccan SMEs often struggle with financial barriers that limit their innovative capabilities. Despite government initiatives offering subsidies... -
An overview of Xitsonga reduplication constructions
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Lebogang Steven Shirindzi --- University of Venda, South Africa Arnold Mushwana --- University of South Africa, South AfricaWord-formation processes leading to abbreviations such as clipping, blending and acronyms occur only partially, or do not occur at all, in Xitsonga. In constrast, one of the most productive word-formation processes in Xitsonga is reduplication. Several studies have been conducted... -
Financial and economic viability of cassava peeling technology and constraints to adoption in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Camillus Abawiera Wongnaa --- Kwame Nkrumah University of Science and Technology, Ghana Michael Kwame Asempah --- Kwame Nkrumah University of Science and Technology, Ghana Mamudu Abunga Akudugu --- University for Development Studies, Ghana Emmanuel Abokyi --- Ghana Institute of Management and Public Administration (GIMPA), Ghana Dadson Awunyo-Vitor --- Kwame Nkrumah University of Science and Technology, GhanaThe manual peeling of cassava is laborious, prone to injuries, and limits processing speed, contributing to postharvest losses due to cassava’s highly perishable nature. To address this challenge, this study aims to evaluate the financial and economic viability of installing... -
Computational analysis of Orientalist discourse in social media: A case study of Twitter
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Qiming Dong --- Universiti Putra Malaysia, Malaysia Shasha Zhang --- Hunan University of Information Technology, People’s Republic of China Megat Al Imran Yasin --- Universiti Putra Malaysia, Malaysia Chow Ow Wei --- Universiti Putra Malaysia, MalaysiaThe paper presents ORIENT-Net as a tool that processes texts in terms of their orientalist views. This is done by the detection and classification of such texts on social media Twitter. An Orientalist view of the East can see the...
