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Calibration models for interpretation of soil salinity measurements using an electromagnetic induction technique
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.A. Johnston --- Department of Agronomy, Republic of South Africa M.J. Savage --- Department of Agronomy, Republic of South Africa J.H. Moolman --- Department of Soil and Agricultural Water Science, Republic of South Africa H.M. du Plessis --- , Republic of South AfricaA commercially available salinity sensor (model EM-38 of Geonics Ltd., Canada) has been developed for diagnosing and quantifying soil salinity in the field. There is a need, however, to calibrate the instrument reading against a more commonly used measure of... -
A comparison of three methods of soil water content determination
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.M. Little --- , Republic of South Africa B. Metelerkamp --- , New Zealand C.W. Smith --- , Republic of South AfricaIn forestry the need to manage plantations on a sustainable site-specific basis requires the understanding and management of any growth limiting factors. Soil water regime is a factor considered to be of prime importance with respect to explaining differences in... -
Web-based teaching, learning and research using accessible real-time data obtained from field-based agrometeorological measurement systems
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael J Savage --- Agrometeorology Discipline, Soil-Plant-Atmosphere Continuum Research Unit, School of Agricultural, Earth and Environmental Sciences, South Africa Michael G Abraha --- Agrometeorology Discipline, Soil-Plant-Atmosphere Continuum Research Unit, School of Agricultural, Earth and Environmental Sciences, South Africa Nicholas C Moyo --- Agrometeorology Discipline, Soil-Plant-Atmosphere Continuum Research Unit, School of Agricultural, Earth and Environmental Sciences, South Africa Nile Babikir --- Agrometeorology Discipline, Soil-Plant-Atmosphere Continuum Research Unit, School of Agricultural, Earth and Environmental Sciences, South AfricaTo enhance teaching and learning in agrometeorology and allied disciplines, a Web-based data and information system was developed. The system uses field-based agrometeorologcial measurements, from automatic weather, radiation and temperature stations, to collect and display near real-time and previous data... -
Artificial neural networks and non-linear regression for quantifying the wood volume in Eucalyptus species
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Tays Silva Batista --- , Brazil Larissa Pereira Ribeiro Teodoro --- , Brazil Gileno Brito de Azevedo --- , Brazil Glauce Taís de Oliveira Sousa Azevedo --- , Brazil Nerison Luis Poersch --- , Brazil Marcus Vinicius Vieira Borges --- , Brazil Paulo Eduardo Teodoro --- , BrazilWood volume is the variable that best represents the yield of planted forests, and several regression models are used in its estimation. Artificial neural networks (ANNs) are recognised for their accuracy and generalisation capacity associated with the quality and quantity... -
Quantified range condition assessment of open Camelthorn savanna along a degradation gradient
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: I Zimmermanno FP Graz MH Berry NNT Imasiku ND Muroua MM Sibalatani CS SikopoMeasurements were taken at 20 different sites in a relatively homogenous area of open Camelthorn savanna in eastern Namibia. Ordination of grass species composition did not provide a good degradation gradient, due to domination by different species of annual grasses... -
Psychometric Properties of Various Scales Measuring Psychological Well-Being in a South African Context: The FORT 1 Project
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jan A. B. Wissing --- North-West University, Marié P. Wissing --- North-West University, Marietjie M. du Toit --- North-West University, Q. Michael Temane --- North-West University,The aim of this study was to do a first phase screening of psychometric properties of various scales measuring facets of psychological well-being so as to address further questions in the FORT 1 project (FORT 1 = Clarifying the nature... -
Well-Being in the Batswana Cultural Context: Constructs and Measures
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Itumeleng P. Khumalo --- North-West University, South Africa Q. Michael Temane --- North-West University, South Africa Marié P. Wissing --- North-West University, South AfricaThe study investigated wellbeing in a Setswana-speaking sample. Participants (n=459, males =141 females =318; 22% = aged between 30 and 40 years) completed the General Psychological Well-being Scale (GPWS: Khumalo, Temane & Wissing, 2010) and the Mental Health Continuum Short-Form... -
Positive Side of the Work-Family Interface: A Theoretical Review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marissa De Klerk --- North-West University, South Africa Jan Alewyn Nel --- North-West University, South Africa Eileen Koekemoer --- North-West University, South AfricaThis narrative review considers the positive side of the work-family interface. It surveyed a range of relevant literature (1960–2012) using search terms on the positive work-family interface. From the literature it is evident that various concepts (e.g., work-family enhancement, work-family... -
Confirming the Factor Structure of the 41-Item Version of the Schutte Emotional Intelligence Scale
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marais Bester --- North-West University, South Africa Cara S. Jonker --- North-West University, South Africa Jan Alewyn Nel --- North-West University, South AfricaThe main aim of this study was to investigate the factor structure of the 41-item version of the Schutte Emotional Intelligence Scale within a South African nursing environment. An availability non-probability sample (N =290) of nurses from hospitals in the... -
Assessment of HIV-positive in-patients using the International Classification of Functioning, Disability and Health (ICF) at Chris Hani Baragwanath Hospital, Johannesburg
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Hellen Myezwa Aimee Stewart Eustasius Musenge Paul NesaraThe International Classification of Functioning, Disability and Health (ICF) short-version checklist was used to assess the impairments, activity limitations and participation restrictions experienced by a sample of HIV-positive in-patients admitted to Chris Hani Baragwanath Hospital in Johannesburg, South Africa. Laboratory... -
Blood pressure measurement: why, how, when, and where?
Item type: Journal Article • Journal: South African Family Practice • Authors: E O'Brien --- The Conway Institute, University College, Ireland -
Prevalence of end-digit preference in recorded blood pressure by nurses: a comparison of measurements taken by mercury and electronic blood pressure-measuring devices
Item type: Journal Article • Journal: South African Family Practice • Authors: OE Ayodele --- Department of Internal Medicine, SO Akinyemi --- People Living with HIV/AIDS Clinic, AO Adeniji --- Department of Obstetrics and Gynaecology, AO Akinboro --- Department of Internal Medicine, AA Popoola --- Ladoke Akintola University of Technology Teaching Hospital, Nigeria CA Alao --- Department of Nursing, NigeriaObjectives: When compared with the use of a mercury sphygmomanometer, the use of a validated digital blood pressure (BP) measuring device eliminates the risk of exposure to mercury. Digital devices are also associated with a lesser degree of end-digit preference... -
A guide to performing skin-prick testing in practice: tips and tricks of the trade
Item type: Journal Article • Journal: South African Family Practice • Authors: O Coetzee --- Department of Paediatrics and Child Health, Division of Paediatric Pulmonology, RJ Green --- Department of Paediatrics and Child Health, Division of Paediatric Pulmonology, R Masekela --- Department of Paediatrics and Child Health, Division of Paediatric Pulmonology,Atopy can manifest in childhood as infantile eczema (atopic dermatitis), allergic rhinitis and asthma. In practice, it is critical to identify the offending allergen in atopic individuals. This will not only influence therapeutic interventions, but may also have a significant... -
Microclimate conditions in ventilated wet-walled greenhouses in a subtropical climate: spatial variability
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael J Savage --- Agrometeorology Discipline, Soil-Plant-Atmosphere Continuum Research Unit, School of Agricultural, Earth and Environmental Sciences, South AfricaSpatial variations of microclimatic conditions in enclosed north–south (N–S) oriented single-arched greenhouse polycarbonate structures, with a wet-wall providing evaporative cooling at the S end, were investigated and displayed online in near real-time. Temperature-controlled fans at the N end extracted air... -
Knowledge of life: health, strength and labour in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Thomas Cousins --- Department of Sociology & Social Anthropology, South AfricaThe article examines the production of new modes of calculation, calibration and measurement of bodies at work in the timber plantations of northern KwaZulu-Natal, South Africa — modes that echo older, diverse technologies of self and health while producing new... -
The correlation between the health-related fitness of healthy participants measured at home as opposed to fitness measured by sport scientists in a laboratory
Item type: Journal Article • Journal: South African Family Practice • Authors: CC Grant --- Department of Sports Medicine, South Africa DC Janse van Rensburg --- Department of Sports Medicine, South Africa MS Pepper --- Department of Immunology, South Africa PJ du Toit --- Department of Physiology, South Africa PS Wood --- Department of Biokinetics, Sport and Leisure Sciences, South Africa J Ker --- Department of Sports Medicine, South Africa PE Krüger --- Institute for Sport Research, South Africa CW Grobbelaar --- Department of Physiology, South Africa K Nolte --- Department of Biokinetics, Sport and Leisure Sciences, South Africa F Fletcher --- Department of Statistics, South Africa TC Grant --- Department of Sports Medicine, South AfricaBackground: Fitness is defined in the health context as a state of good health or physical condition, primarily as a result of exercise and proper nutrition. Conventional methods of measuring fitness are expensive, time consuming and require specialised methods. There... -
Measuring the selection and timing abilities of South African fund managers
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D J Bradfield --- Department of Statistical Sciences,This article reviews a model proposed by Bhattacharya and Pfleiderer (1983) and first implemented by Lee and Rhaman (1990) which allows the separation of the measurement of selection and timing skills of fund managers. It is the first model to... -
Factorial invariance of the Rahim emotional quotient index
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Kotzé --- Business School, University of the Free State, South Africa Petrus Nel --- Department of Industrial Psychology, South AfricaThis study investigated the degree of factorial invariance of the 30-item Rahim Emotional Quotient Index (REQI) (Afzalur Rahim et al., 2002) across gender and language, using multiple group confirmatory factor analysis. Respondents were 341 full-time employed applicants to programmes in... -
An improved technique for non-destructive measurement of the stem volume of standing wood
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cheng He --- Forest Fire Research Center, China Xiafang Hong --- School of Tourism, China Kezhen Liu --- Research Institute of Forest Ecology, Environment and Protection, China Siyu Zhang --- Forest Fire Research Center, China Qiuwen Wang --- Forest Fire Research Center, ChinaAn improved technique, cheaper and less time-consuming, to measure standing wood volume by using an electronic theodolite was tested, by which greater information from the forest could be acquired accurately and non-destructively. This was achieved by recording the diameter at... -
Non-invasive measurement of adrenocortical activity in a myrmecophageous mammal, the bat-eared fox
Item type: Journal Article • Journal: African Zoology • Authors: Aliza Le Roux --- Zoology and Entomology, South Africa Helene Botha --- Zoology and Entomology, South Africa Fredrik Dalerum --- Research Unit of Biodiversity (UO, CSIC, PA), Spain Andre Ganswindt --- Endocrine Research Laboratory, Department of Anatomy and Physiology, South AfricaMeasuring physiological stress reactions through the quantification of plasma cortisol often involves physical restraint, which acts as a stressor itself. Here, we present the validation of a non-invasive method for assessing adrenocortical activity as an indicator of stress in the... -
Measurement invariance across gender and ethnicity on the Emotional Quotient Inventory 2.0
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Casper J. J. Van Zyl --- Department of Psychology, South AfricaThis study investigated the measurement invariance of the Emotional Quotient Inventory 2.0 across gender and ethnic groups in South Africa. The sample consisted of 1 144 working adults (female = 49.8%. black = 36.2%, white = 29.8%; other = 34%;... -
Socio-demographic profiles and anthropometric status of 0- to 71-month-old children and their caregivers in rural districts of the Eastern Cape and KwaZulu-Natal provinces of South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Cm. Smuts --- Nutritional Intervention Research Unit, M. Faber --- Nutritional Intervention Research Unit, Se. Schoeman --- Nutritional Intervention Research Unit, Ja. Laubscher --- Biostatics Unit, A. Oelofse --- Centre for Nutrition, Ajs. Benadé --- Cape Peninsula University of Technology, Ma. Dhansay --- Nutritional Intervention Research Unit,Abstract -
The development of a preliminary regression equation for estimating the weight of black South African paraplegic males using anthropometric measurements in Tshwane, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: H. Snyman --- Association for Dietetics in South Africa, Mg. Herselman --- Division of Human Nutrition, D. Labadarios --- Division of Human Nutrition,Abstract -
Anthropometric characteristics and nutritional status of older adults in the Lake Victoria Basin of East Africa: region, sex, and age differences
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mj Cheserek --- Human Nutrition Department, Pj. Tuitoek --- Human Nutrition Department, Jn Waudo --- Department of Food Nutrition and Dietetics, Jm Msuya --- Department of Food Science and Technology, Jk. Kikafunda --- Department of Food Science and Technology,Background: Malnutrition, either as undernutrition or overnutrition, leads to detrimental alterations in body composition. The objective of this study was to investigate selected anthropometric measurements, and the nutritional status of older men and women living in the Lake Victoria Basin... -
True height and variability in estimates thereof across race and gender
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Christen Lahner --- Discipline of Dietetics and Human Nutrition, School of Agricultural Sciences and Agribusiness, Faculty of Science and Agriculture, Susanna Kassier --- Discipline of Dietetics and Human Nutrition, School of Agricultural Sciences and Agribusiness, Faculty of Science and Agriculture,Although standing height is the ideal indicator of a subject’s true height, numerous internal and external factors can have an effect on its accuracy. These factors include measurement error, the clinical environment, growth and a secular change in growth, and... -
Circulation of shelf waters in the KwaZulu-Natal Bight, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Ocean Sciences and Marine Food Security, South Africa C Nieuwenhuys --- Bayworld Centre for Research and Education, South Africa LA Guastella --- Bayworld Centre for Research and Education, South AfricaShip-based acoustic Doppler current profiler (S-ADCP) technology, used in survey mode, has enabled near- synoptic views of the in situ 3-D current field in the KwaZulu-Natal (KZN) Bight to be elucidated for the first time. Data acquired by the research... -
Observations and mechanisms of upwelling in the northern KwaZulu-Natal Bight, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Ocean Sciences and Marine Food Security, South Africa C Nieuwenhuys --- Bayworld Centre for Research and Education, South AfricaNew in situ time-series data were acquired by two ADCP moorings placed on the shelf off Richards Bay on the east coast of South Africa at depths of 25 m and 582 m between October 2009 and August 2010. The... -
Arm-associated measurements as estimates of true height in black and white young adults of both genders: an exploratory study, Pietermaritzburg, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Christen R Lahner --- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, South Africa Susanna M Kassier --- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, South Africa Frederick J Veldman --- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, South AfricaObjective: To determine the accuracy of arm-associated anthropometric measurements as estimates of true height. -
Validation of an efficient visual method for estimating leaf area index in clonal Eucalyptus plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rodrigo Hakamada --- Forest Resources Graduate Program, Brazil Carmeni Giunti Neto --- Fibria, Brazil Cristiane CZ de Lemos --- International Paper do Brasil, Brazil Sérgio R Silva --- National Wheat Research Center, Brazilian Agricultural Research Corporation (Embrapa), Brazil Marina SG Otto --- Department of Plant Physiology and Biochemistry, Brazil Kevin B Hall --- Department of Forestry and Environmental Resources, USA José L Stape --- Suzano Company, BrazilLeaf area index (LAI) is a key ecophysiological parameter in forest stands because it characterises the interface between atmospheric processes and plant physiology. Several indirect methods for estimating LAI have been developed. However, these methods have limitations that can affect... -
Hospital-acquired malnutrition in children at a tertiary care hospital
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Del-Rossi Sean Quadros --- Department of Paediatrics and Child Health, Kenya. Rose Kamenwa --- Department of Paediatrics and Child Health, Kenya. Samuel Akech --- Department of Paediatrics and Child Health, Kenya. William M Macharia --- Department of Paediatrics and Child Health, Kenya.Objectives: This study sought to investigate the incidence and factors associated with hospital-acquired malnutrition in children. -
Metabolic activity throughout early development of dusky kob Argyrosomus japonicus (Sciaenidae)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Edworthy --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa NC James --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa B Erasmus --- Department of Ichthyology and Fisheries Science, South Africa JOG Kemp --- Department of Ichthyology and Fisheries Science, South Africa H Kaiser --- Department of Ichthyology and Fisheries Science, South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South AfricaThe physiology of fishes in the early stages of development remains poorly assessed despite the importance of identifying energy bottlenecks in organisms faced with changing environmental conditions. This study describes the metabolic activity of dusky kob Argyrosomus japonicus throughout its... -
Adult weight measurement: decoding the terminology used in literature
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Christen Renée Lahner --- Department of Human Nutrition and Dietetics, South AfricaThere are various types of names given to describe the adult weight measurement. The most commonly used terms (actual body weight, estimated body weight, ideal body weight and adjusted body weight) have been defined and summarized to assist in their... -
Allometric equations from a non-destructive approach for biomass prediction in natural forest and plantation in West Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: SA Hamzath Kora --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin GH Sabin Guendehou --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin Cédric A Goussanou --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin Achille E Assogbadjo --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin Brice Sinsin --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, BeninAllometric equations are required for a rapid estimation of commercial timber volume and forest biomass stocks. In order to preserve the forest ecosystem, this study applied a non-destructive sampling approach to measure biophysical properties of living trees. From these measurements,... -
Wave setup at Tristan da Cunha
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PL Woodworth --- , United KingdomWave setup was investigated using data from tide gauges in a small harbour at the island of Tristan da Cunha in the South Atlantic Ocean. Frequent examples of wave setup were found during the period 1986–1992, but were much less... -
The underlying concepts of the definition of a liability in financial reporting: A doctrinal research perspective
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Daniël Coetsee --- , South AfricaAccounting literature has identified fundamental conceptual issues and uncertainties regarding the financial reporting treatment of liabilities. This paper assesses whether the underlying concepts for the definition of a liability are robust and sufficiently developed in the 2018 Conceptual Framework of... -
Nest characteristics and morphometry of Black Crowned Cranes Balearica pavonina ceciliae in Lake Tana area wetlands
Item type: Journal Article • Journal: African Zoology • Authors: Shimelis Aynalem Zelelew --- , Ethiopia George Archibald --- , United StatesBirds select breeding habitats based on biotic and abiotic environmental factors, resulting in a non-random spatial distribution of nests. This study investigated the onset of nesting, nest location, the relationship between nest height and water depth, nest materials, and the... -
Sex determination of Kelp Gull Larus dominicanus vetula using head and bill measurements
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Albert Snyman --- , South Africa Elana Mostert --- , South Africa Katrin Ludynia --- , South AfricaKelp Gulls Larus dominicanus are not sexually dimorphic by plumage or visual characteristics and it is therefore difficult to distinguish males from females in the field. This paper assesses the sexual size dimorphism in this species and provides reliable methods... -
An analysis of the extent and use of fair value by JSE Top 40 companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Wayne van Zijl --- , South Africa Valencia Hewlett --- , South AfricaFair value’s advantages, disadvantages and ideology have been debated thoroughly by academics and practitioners for decades. The few implementation papers which do exist are primarily concerned with developed economies. This gap is despite the prior literature acknowledging the likely difficulties... -
Assessing alternatives for growth and yield modelling in eucalypt stands
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Thaynara Reis --- , Simone Silva --- , Ivaldo Tavares Junior --- , Rodrigo Leite --- , Mariana Taquetti --- , Kemely Atanazio --- , Leonardo Fardin --- , Jovane Cruz --- , Helio Leite --- ,Growth and yield estimates are extremely important for forest stand management. The application of simple models is often useful, as it allows the use of plots with few or a single measurement. The objective of this study was to evaluate... -
Structural validity and measurement invariance of the Psychological Career Resources Inventory Short Form as a predictor of career satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- , South Africa Xander van Lill --- , South Africa Marais S Bester --- , South AfricaThe present study had two objectives. The first objective was to assess the structural validity of the Psychological Career Resources Inventory – Short Form (PCRI-SF) and for measurement equivalence across ethnic (white and black) and gender groups in the South... -
Consumer acceptability of fried chips made from South African sweet potato cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: SM Laurie --- , South Africa WM Mphela --- , South AfricaIn South Africa, the processing of sweet potatoes has a high potential for economic gain, therefore, chips were prepared from six sweet potato cultivars with varying flesh colours for consumer preference evaluation. Scoring was based on colour, crispness, taste and... -
Managing AIDS stigma
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: William L. Holzemer --- University of California, Leana R. Uys --- College of Health Sciences, University of KwaZulu-Natal,According to anecdotal reports, AIDS stigma and discrimination continue to influence people living with and affected by HIV disease as well as their health care providers, particularly in southern Africa where the burden of AIDS is so significant. Stigma is... -
Validation of Learning Transfer Inventory System (LTIS) in Cameroon teachers: Measurement invariance and latent mean difference across sex
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bekolo Ngo’a Celestin --- Yibin University, China Tchouchu Emmanuel --- University of Cape Coast, Ghana Kouame Dangui Dorcas --- School of Management and Economics (SME) University of Electronic Science and Technology-Chengdu, ChinaThis study investigated the psychometric properties of the Learning Transfer Inventory System (LTIS) in the Cameroonian education system. A sample of 700 in-service teachers (female = 54.8%; mean age = 36 years, SD = 15.41 years) who completed leadership, management,... -
Case assessment and identification of pharmaceutical supply chain performance measures and metrics
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Asrat Mekonnen Gobachew --- University of Bremen, Germany Hans-Dietrich Haasis --- University of Bremen, Germany Eshetie Berhan --- Addis Ababa University, EthiopiaA lot of attention has been paid to performance measurement during the past few decades. There are several reasons for utilizing performance measurement in a business, but the most important one is that, when done right, it will increase productivity... -
Cross-disciplinary meaning and language for innovation in a business context: A conceptual paper
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Craig Andrew Duff --- Tshwane University of Technology, South Africa Jan Hendrik Dubery --- Tshwane University of Technology, South AfricaIn this conceptual work, we describe cross-disciplinary meaning and language related to the innovation phenomenon located in a business context. Our work attempts to find common meaning and language for innovation that can be applied across all business innovation projects... -
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... -
The mediating role of transformational leadership in the relationship between institutional pressures and collaboration with commercialization of university research output: A pilot study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gregory Tweheyo --- Bustema University, Uganda Ernest Abaho --- Makerere University Business School, Uganda Anju M. Verma --- Texila American University, Guyana Ibrahim Musenze --- Bustema University, UgandaThe purpose of this study is to lay emphasis on Uganda’s universities in light of the examination of how institutional pressures and collaboration influence the commercialization of university research output with the mediating role of transformational leadership. Data were collected... -
A shelf-scale assessment of GLORYS and BRAN ocean reanalysis model outputs for the southern Benguela Upwelling System
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AM Kupczyk --- Fisheries and the Environment (DFFE), South Africa T Lamont --- Fisheries and the Environment (DFFE), South Africa I Halo --- Fisheries and the Environment (DFFE), South Africa CS Russo --- Fisheries and the Environment (DFFE), South Africa T Rixen --- Institute for Geology, Universität Hamburg, Germany N Lahajnar --- Institute for Geology, Universität Hamburg, GermanyThe Benguela Upwelling System, with its high variability and productivity, is challenging to monitor owing to limited in situ ocean observations. Researchers therefore often use ocean reanalysis products to simulate oceanographic conditions. We evaluated the performance of the GLORYS and...
