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Threshold values for sulphur in soils of the main maize-producing areas of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. van Biljon --- , Republic of South Africa D. Fouche --- , Republic of South Africa A. D.P. Botha --- , Republic of South AfricaFertilizers introduced to South Africa after World War 2 contained sufficient sulphur (S) to satisfy the demands of all crops. However, dramatic shifts to high-analysis NPK fertilizers containing little or no S and restriction on sulphur dioxide emissions by industries... -
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... -
CRITICAL POINT DRYING AS A PREPARATIVE TECHNIQUE FOR SCANNING ELECTRON MICROSCOPY AND ITS APPLICATION IN LIMNOLOGY
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: R. H.M. Cross --- , South Africa B.R. Allanson --- , South Africa B.R. Davies --- , South Africa C. Howard-Williams --- , South AfricaThe preservation technique of critical point drying for use with the scanning electron microscope is described. A study of the periphyton community development on the aquatic macrophyte, Potamogeton pectinatus L. from the littoral zone of Swartvlei, southern Cape Province, is... -
Narrative-Based Responses: Discrepant Experiences in Research among the ‡Khomani San
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Willy Nel --- North West University (Potchefstroom Campus), South AfricaIn this article data on narrative-based responses by two female ‡Khomani San community members were used to explore the presence of life design issues contained in that data. Data were analyzed thematically for discrepant experiences (Said, 2001). Findings suggest the... -
Community Engagement as Liberal Performance, as Critical Intellectualism and as Praxis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mohamed Seedat --- University of South Africa, South AfricaThis article aims to illustrate that engagement is a dynamic and evolutionary process, moulded by contesting ideological, social actor and contextual forces. For purposes of illustration, I draw on a university-affiliated, participatory enactment of community engagement as a case example... -
South African Educators' Understanding of Bullying
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Corene de Wet --- University of the Free State, South Africa Lynette Jacobs --- University of the Free State, South AfricaThis study examined educators' understanding of learner-on-learner school bullying. Participants were 91 educators from the Free State Province, South Africa (females = 65.9%, primary/elementary school teaching = 46.1%). Data on bullying was collected by means of questionnaires in which a... -
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,... -
Dilemmas and tensions facing a faith-based organisation promoting HIVprevention among young people in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marisa Casale --- Health Economics and HIV/AIDS Research Division (HEARD), South Africa Stephanie Nixon --- Health Economics and HIV/AIDS Research Division (HEARD), South Africa Sarah Flicker --- Faculty of Environmental Studies, Canada Clara Rubincam --- Health Economics and HIV/AIDS Research Division (HEARD), South Africa Angelique Jenney --- Factor-Inwentash Faculty of Social Work, CanadaFaith-based organisations (FBOs) are receiving growing attention for their roles in addressing HIV and AIDS in southern Africa. These roles, however, are not without philosophical challenges. Yet, to date, most references to the successes or limitations of FBOs have remained... -
Ground cavity nest temperatures and their relevance to Blue Swallow Hirundo atrocaerulea conservation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: James Wakelin --- Scientific Services, Ezemvelo KZN Wildlife, South Africa Amy-Leigh Wilson --- School of Life Sciences, South Africa Colleen T Downs --- School of Life Sciences, South AfricaBlue Swallows Hirundo atrocaerulea are Critically Endangered within South Africa. They nest in natural underground holes in mist-belt grasslands. Temperature dataloggers were used to record ground cavity nest (Tn) and ambient temperature (Ta) for one artificial and 11 natural Blue... -
6. Foliar Diagnosis and Fertiliser Prescription in Forestry—The DRIS System and its Potential
Item type: Journal Article • Journal: South African Forestry Journal • Authors: C.J. Schutz --- D.R. de Wet Forestry Research Centre, Dept. of Environment Affairs, J.M. de Villiers --- ,Problems associated with current foliar diagnosis techniques are reviewed. Many of these problems have been overcome in agricultural crops by use of the Diagnosis and Recommendation Integrated System (ORIS). The foundation of DRIS is the concept of nutrient balance, the... -
Youth as research fieldworkers in a context of HIV/AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Dennis Francis --- School of Social Science Education, South Africa Crispin Hemson --- School of Social Science Education, South AfricaWhat are the strengths and limitations of using out-of-school youths as researchers in a study of the relationships among young people of the same group? While youth-to-youth research approaches have increased in both popularity and practice, our understanding of the... -
Pandemic influenza A (H1N1) 2009: a case series from intensive care units in Port Shepstone, South Africa
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: SP Blakemore --- Principal Anaesthesiologist, Port Shepstone Regional Hospital, PD Gopalan --- Department of Anaesthesiology and Critical Care, South AfricaThis article presents a series of seven ventilator-dependent patients with pandemic influenza A (H1N1) 2009 and one with seasonal influenza at two hospitals—a government regional hospital and a private hospital—in the Ugu District, KwaZulu-Natal. The clinical features of these patients... -
What's new in critical care?
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: PD Gopalan --- Nelson R Mandela School of Medicine, University of Kwazulu-Natal, -
A survey of corticosteroid use for the management of septic shock
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: K Govender --- Department of Anaesthetics, RN Rodseth --- Perioperative Research Group, Department of Anaesthetics,Background: Critical illness is associated with pituitary-adrenal axis dysfunction, and may cause adrenal insufficiency that manifests as septic shock that is poorly responsive to fluid or inotropic therapy. Administering a low-dose corticosteroid to these patients results in faster shock resolution,... -
Time to face the book?: "Unfriending" IV fluids. Where are we currently with fluid administration in anaesthesia and critical care?
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Z Farina --- Anaesthesia, -
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, -
Felicitas Publica and community well-being: nourishing relational goods through dialogic conversations between deprived and privileged populations
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Helena Águeda Marujo --- School of Social and Political Sciences, Portugal Luis Miguel Neto --- School of Social and Political Sciences, PortugalThis article discusses the theoretical justifications, presumed relevance and value of using community interventions designed to be appreciative and strengths based, participatory and conversational, context sensitive and value driven, to promote well-being actions and coordinated meaning between privileged persons and... -
Spirit and society: in defence of a critical anthropology of religious life
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hylton White --- University of the Witwatersrand, South AfricaAccording to recent criticisms, the critical anthropology of religious life in Africa, associated especially with the Comaroffs, has failed to take relations with invisible beings at face value. In this view, we should explore the social work that such relations... -
Innovation Policy Reforms, Emerging Role Models and Bridge Institutions: Evidence from North African Economies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdelkader Djeflat --- Department of Economics, Labo Clerse UMR 8019-Maghtech Network, France Yevgeny Kuznetsov --- Economic Policy and Debt Department, Wolrd Bank, USAThis article focuses on role models of modern innovation based development and public interventions to diffuse and scale up these role models. It discusses the so-called bridge institutions of innovation, which transform skills into knowledge valued by markets. It shows... -
Genetic variation in the Critically Endangered velvet worm Opisthopatus roseus (Onychophora: Peripatopsidae)
Item type: Journal Article • Journal: African Zoology • Authors: Savel R. Daniels --- Department of Botany and Zoology, South AfricaIn the present study the genetic variation of the Critically Endangered velvet worm species Opisthopatus roseus is examined. This species is endemic to the Ngele mistbelt forest in the KwaZulu-Natal province of South Africa. In recent years the forest has... -
A comment on research frameworks applied in accounting research
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D Coetsee --- University of Johannesburg,In the social sciences three different research frameworks are used: positivistic, interpretative and critical. These frameworks approach research from different premises, which collectively contribute to the pool of knowledge. Accounting institutions and their activities are fashioned by human interventions whose... -
A Note: The perceptions of a CTA class regarding the changes to the international accounting standards dealing with financial instruments
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G Steenkamp --- University of Stellenbosch,The IASB has recently begun redeveloping the accounting standards that deal with financial instruments. During 2009 the IASB issued an exposure draft (ED 7/2009), which proposed certain changes to IAS 39. This study seeks to investigate the perceptions of a... -
Confidentiality protection in consulting with modern medicine following use of traditional medicine: perspectives of South African clients
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sidwell Matlala --- Department of Nursing, South Africa Elzabe Nel --- Department of Nursing, South Africa Mary Chabeli --- Department of Nursing, South AfricaThis study explored the confidentiality values and needs of clients of traditional medicine practitioners who also consulted with modern medical care facilities. Participants were 12 clients of traditional healers who were also receiving modern medicine services (9 males; Sotho, Sepedi... -
Hyperchloraemia: ready for the big time?
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Kim de Vasconcellos --- Intensive Care Unit, South AfricaChloride is in many ways the forgotten electrolyte. Recent evidence suggests that hyperchloraemia results in metabolic acidosis, and is associated with renal dysfunction, increased mortality, coagulation disturbances, splanchnic ischaemia, and a proinflammatory state. The renal effects and the increased mortality... -
Faecal nitrogen of browser and mixed feeder game species during different seasons
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Beanélri B Janecke --- Animal, Wildlife and Grassland Sciences, South Africa G Nico Smit --- Animal, Wildlife and Grassland Sciences, South AfricaA practical measure of assessing periods of potential nutritional stress of game species is needed in the management of these species in the Acacia karroo Riparian Thicket of the central Free State. The objectives of the study were to determine... -
Introduction to Anthropology Southern Africa, special edition on ‘Debating Southern African Anthropology’
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kees (C. S.) van der Waal --- Department of Sociology and Social Anthropology, South Africa Vivienne Ward --- Department of Sociology and Social Anthropology, South AfricaBy challenging anthropologists practising in different southern African contexts to engage in debate, we elicited a rich array of viewpoints and counter-challenges as we gathered articles for this special edition. In this introductory article we set the scene for the... -
Building a teaching praxis in Anthropology: critical pedagogy in action
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Joy Owen --- Department of Anthropology,The following paper reflects on a course entitled ‘Power and Wealth’ that I developed and have been teaching since 2004. I consider the course in light of my own understanding of critical pedagogy as informed by Paulo Freire and Ira... -
Reproducing criticality: South African social-cultural anthropology's contemporary challenge—the UCT experience
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew D. Spiegel --- Department of Social Anthropology,For many who were drawn to the discipline during South Africa's apartheid years, social anthropology offered a means for a cohort of primarily middle class persons to crystallise an otherwise inchoate criticality about the regime, in large part by providing... -
The possibility of a critical anthropology after apartheid: relevance, intervention, politics
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kelly Gillespie --- University of Pretoria, Anthropology and Archaeology, South Africa Bernard Dubbeld --- University of Pretoria, Anthropology and Archaeology, South AfricaThis paper, prompted by an Anthropology Southern Africa conference around the theme ‘Public Anthropology’, argues that any post-apartheid anthropology that abandons criticality as a core disciplinary principle risks dispelling any radical content that anthropology may have to offer South African... -
Men, women, temporality and critical ethnography in Africa—the imperative for a transdisciplinary conversation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Elaine Salo --- Institute for Women's and Gender Studies, University of Pretoria,This article addresses concerns of African-based scholars about how we can adequately represent the social heterogeneity and the rich diversity of African subjects. I argue that by prioritising Pan-Africanist solidarity, and in our search for African authenticity, we often represent... -
Spirit and society: in defence of a critical anthropology of religious life
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hylton White --- University of the Witwatersrand, South AfricaAccording to recent criticisms, the critical anthropology of religious life in Africa, associated especially with the Comaroffs, has failed to take relations with invisible beings at face value. In this view, we should explore the social work that such relations... -
Development and evaluation of an integrated electronic data management system in a South African metropolitan critical care service
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: NL Allorto --- Pietermaritzburg Metropolitan Department of Surgery, South Africa RD Wise --- Pietermaritzburg Department of Anaesthesia, South AfricaIntroduction: The importance of accurate healthcare data is vital when approaching current healthcare challenges, but is difficult to collect in busy, under-resourced environments. It was aimed to develop and implement an information system that is cost-effective, easy and practical for... -
Development and characterisation of a modified multi-purpose pine oil detergent for a small-scale manufacturer in Lesotho
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mosotho George --- Chemistry and Chemical Technology, Lesotho Ts'ukulu Motsamai --- Chemistry and Chemical Technology, LesothoThe interest in small-scale manufacturing of simple products seems to be growing in Lesotho. However, this could have undesirable effects without insights into the chemical processes involved in such presumed simple processes. This manuscript reports the partnership between the National... -
Nutritional management of acute kidney injury in the critically ill: a focus on enteral feeding
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J. Downs --- Head, Dietetics Department, KwaZulu-NatalOptimal nutritional management of critically ill patients who present with acute kidney injury (AKI) is paramount. The management of this patient population is probably more complicated than that of chronic care haemodialysis (HD) patients as AKI patients have significant protein... -
Complications relating to enteral and parenteral nutrition in trauma patients: a retrospective study at a level one trauma centre in South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: C. Aaben --- Clintec, Sweden F. Hammarqvist --- Clintec, Sweden T. Mabesa --- Inkosi Albert Luthuli Central Hospital, South Africa Tc Hardcastle --- Department of Surgery,Objectives: The aim of the study was to compare the incidence of complications in patients receiving enteral and parenteral nutrition (PN), and review how the early initiation of enteral feeding and early achievement of caloric goal would affect the incidence... -
Heart rate variability predicts 30-day all-cause mortality in intensive care units
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: David G Bishop --- Perioperative Research Group, Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Robert D Wise --- Perioperative Research Group, Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Carolyn Lee --- Perioperative Research Group, Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Richard P von Rahden --- Perioperative Research Group, Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Reitze N Rodseth --- Perioperative Research Group, Pietermaritzburg Metropolitan Department of Anaesthetics, South AfricaBackground: Autonomic nervous function, as quantified by heart rate variability (HRV), has shown promise in predicting clinically important outcomes in the critical care setting; however, there is debate concerning its utility. HRV analysis was assessed as a practical tool for... -
Comparison of lung ultrasound with transpulmonary thermodilution in assessing extra-vascular lung water
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Jody G Davids --- Faculty of Health Sciences, Department of Anaesthesiology, South Africa Edwin W Turton --- Faculty of Health Sciences, Department of Anaesthesiology, South Africa Jacques E Raubenheimer --- Faculty of Health Sciences, Department of Biostatistics, South AfricaBackground: Increased extra-vascular lung water (EVLW) is common in critical care and correlates with the severity of acute lung injury, length of intensive care unit stay and mortality. Lung ultrasound (LUS) can assess EVLW by determining the amount of ‘B-lines’:... -
Rerouting the Postcolonial from an East African Perspective
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Alex Nelungo Wanjala --- Department of Literature & Sub-Department of French, KenyaSome postcolonial critics have recently called for a rerouting of the postcolonial study of literature due to what they perceive as increased globalization that affects the identity and worldview of the subject. Various critics have also called for attention to... -
The sensitivity of Afromontane tarns in the Maloti-Drakensberg region of South Africa and Lesotho to acidic deposition
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JA Dunnink --- Centre in Water Research and Development (CiWaRD) and Department of Geography, South Africa CJ Curtis --- Centre in Water Research and Development (CiWaRD) and Department of Geography, South Africa JP Beukes --- Unit for Environmental Sciences and Management, South Africa PG van Zyl --- Unit for Environmental Sciences and Management, South Africa J Swartz --- Unit for Environmental Sciences and Management, South AfricaDespite their remoteness from sources of atmospheric pollutant emissions, the Afromontane tarns in the Maloti-Drakensberg region are perfect candidates to study the negative effects of acidifying atmospheric pollution, because mountain lakes are widely recognised as sentinel ecosystems, unimpacted by direct... -
Engaging in hospitality and culinary research that makes a difference: The shape of things to come
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Joseph A. Hegarty --- Stenden Hotel Management School, The NetherlandsEngaging in hospitality research that matters now takes a fresh approach as to how we can contribute to shaping the future of best practices in both hospitality education and management, while engaging with problems worth investigating, and publishing the results... -
Agamben at Legon, or, Teaching “Theory” in an African University
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Akin Adesokan --- Department of Comparative Literature, Department of Cinema and Media Studies, The Media School, USACritical theory, especially the poststructuralist variant from which postcolonial studies draws its institutional support in US academia, is unthinkable outside of a philosophical tradition that goes back to Plato and is assumed to be Western. African studies, in and out... -
Incidence and hospital mortality of vascular surgery patients with perioperative myocardial infarction (PMI) or myocardial injury after non-cardiac surgery (MINS)
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: T Kisten --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, College of Health Sciences, South Africa BM Biccard --- Department of Anaesthesia and Perioperative Medicine, Groote Schuur Hospital and Faculty of Health Sciences, South AfricaBackground: Perioperative myocardial infarction (PMI) and prognostically relevant myocardial injury following non-cardiac surgery (MINS) increases perioperative mortality. Studies in vascular patients show an increased incidence and mortality from PMI. However, there remains limited data on the relative prognostic importance of... -
Assessment of delirium in the intensive care unit
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: TF Kallenbach --- Department of Anaesthesia, Charlotte Maxeke Johannesburg Academic Hospital and Faculty of Health Sciences, South Africa LA Amado --- Department of Anaesthesia, South AfricaDelirium poses a significant burden on our healthcare, with patients in the intensive care unit (ICU) at an increased risk for developing this disorder. In addition, the ICU environment poses unique challenges in the assessment of delirium. It is paramount... -
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;... -
Outcomes 30 days after ICU admission: the 30DOS study
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Robert Wise --- Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Kim de Vasconcellos --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa David Skinner --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Reitze Rodseth --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Dean Gopalan --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa David Muckart --- Discipline of Surgery, South Africa Zohra Banoo --- KwaZulu-Natal Department of Health District, South Africa Tashmin Bisseru --- Paediatrics, South Africa Steve Blakemore --- Aneasthesiology, South Africa Jenine de Meyer --- Inkosi Albert Luthuli Central Hospital, National Health Laboratory Services, South Africa Michael Faurie --- Discipline of Surgery, South Africa Kom Govender --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Timothy Hardcastle --- Clinical Unit, South Africa Prakash Jeena --- Paediatric Intensive Care Unit, South Africa Nicky Kalafatis --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Kroshlan Kistan --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Theroshnie Kisten --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Carolyn Lee --- Head Clinical Department: Internal Medicine, South Africa Colin Mitchell --- Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Magesvaran Moodley --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Mary Morgan --- Discipline of Paediatrics, South Africa Arisha Ramkilliwana --- Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Rajesh Ramjee --- Anaesthesiology, South Africa Darshan Reddy --- Department of Cardiothoracic Surgery, South Africa Afke Robroch --- Wilhemina’s Childrens Hospital, UMC, The Netherlands Shivani Singh --- Discipline of Paediatrics, South Africa Richard von Rahden --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Bruce Biccard --- Department of Anaesthesia and Perioperative Medicine, South AfricaBackground: The spectrum of illness and long-term outcome of critically ill patients admitted to intensive care units (ICUs) in South Africa remains largely unknown. -
A critical participatory pedagogical approach to enabling life orientation students to develop social literacy through HIV education
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anthony Brown --- Department of Educational Psychology, Faculty of Education, South Africa Lesley Wood --- COMBER, Faculty of Education Sciences, South AfricaHIV education is an important component of the life orientation curriculum, since an intersectional understanding of HIV provides an entry point to appreciate the interrelatedness of various social injustices. Yet, our interaction with predominantly white and privileged pre-service life orientation... -
Procalcitonin kinetics in the first 48 hours of ICU admission is associated with higher mortality in critically ill patients with community-acquired pneumonia in a setting of high HIV prevalence
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: K Naidoo --- Department of Anaesthesiology and Critical Care, South Africa K De Vasconcellos --- Department of Anaesthesiology and Critical Care, South Africa DL Skinner --- Department of Anaesthesiology and Critical Care, South AfricaBackground: Severe community acquired pneumonia (CAP) commonly results in ICU admission and is associated with significant morbidity and mortality. Procalcitonin (PCT) may assist risk stratification and prediction of aetiology but is not well studied in critically ill patients with a... -
What to do about how to do: Reflections on the future direction of hospitality education and research
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Conrad Lashley --- Hospitality Studies, The NetherlandsHospitality management provision in higher education in the UK is well established, though most courses are overly concerned with developing “how to do” skills in graduates. This paper argues that this “how to do” culture is reinforced by student learning... -
A novel approach for the identification of critical nodes and transmission lines for mitigating voltage instability in power networks
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Akintunde Samson Alayande --- Department of Electrical and Electronic Engineering Science, South Africa Nnamdi Nwulu --- Department of Electrical and Electronic Engineering Science, South AfricaVoltage collapse is a major issue combating the effectiveness and optimal operation of modern power systems in recent times. This is a great threat to the security and reliability of modern power systems and, in recent times, it has been... -
What is anthropology that decolonising scholarship should be mindful of it?
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hylton White --- Department of Anthropology, South AfricaDecolonising scholarship in South African anthropology has met with an ingrained scepticism about ethnographic valorisations of forms of life that claim to be indigenous. This scepticism comes from a very long history of opposing ethnological essentialisms created in the colonial... -
Guideline for conducting critical reviews in psychology research
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner de Klerk --- COMPRES, North-West University, South Africa Jené Pretorius --- COMPRES, North-West University, South AfricaWhile numerous guidelines for conducting the various types of reviews are available within literature, there is limited information to inform researchers on how to conduct a critical review. We searched the following data bases for critical review guidelines: PsycARTICLES, PsycINFO,... -
Factors to consider for effective critical thinking development in auditing students
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E. A. J. Terblanche --- Department of Financial Governance, South Africa B. de Clercq --- Department of Taxation, South AfricaFor students to be able to adapt in a fast-changing, technology-driven world, they have to be critical thinkers. With critical thinking being viewed as a prized commodity, there is an increased emphasis on this vital skill in the auditing profession... -
Guidelines for promoting organisational resilience in South African schools
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner de Klerk --- , South Africa Jacob J.P. le Grange --- , South Africa Monique de Klerk --- , South Africa Jené Pretorius --- , South AfricaSustaining educator resilience is increasingly important in transitional societies which have a higher risk for dysfunction from coping with adjustments to emerging organisational practices with no local precedent. This would be the case for South African schools that have weathered... -
Challenges in nest monitoring of White-winged Flufftails Sarothrura ayersi in Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Melissa A Howes-Whitecross --- , South Africa Caroline Howes --- , South Africa Robin B Colyn --- , South Africa Hanneline A Smit-Robinson --- , South AfricaThe Critically Endangered White-winged Flufftail Sarothrura ayresi is only known to breed in the high-altitude wetlands of Ethiopia and South Africa. Several studies have documented the physical properties of nests in the well-known Berga wetland, Ethiopia; however, behavioural accounts of... -
Crises containment management in South African schools: A critical review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Monique de Klerk --- , South Africa Werner de Klerk --- , South AfricaVarious accidents and incidents occur daily in schools, which can have a lifelong impact on both school learners and their family’s life. These events at schools might lead to physical and psychological symptoms which would affect school learner and educator... -
When cooling is worse than warming: investigations into the thermal tolerance of an endemic reef fish, Boopsoidea inornata
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Allison --- , South Africa C Muller --- , South Africa A-R Childs --- , South Africa W Froneman --- , South Africa LA Bailey --- , South Africa WM Potts --- , South AfricaRecent investigations suggest that global warming is likely to alter temperature regimes along the southeastern coastline of South Africa through the increased frequency of upwelling events. Identifying thermal thresholds is fundamental in predicting the response of marine ectotherms to rapidly... -
Critical Literary Arts in Action: The Decolonial Project of Ba re e ne re within and beyond Lesotho
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Lineo Segoete --- , Lesotho Zachary Rosen --- , LesothoIn this article we explore the historical construction of literary infrastructure established in Lesotho. Building on an analysis of Sesotho language orthography by Dr Litšepiso Matlosa, we recall the colonial genesis of written Sesotho by Swiss and French missionaries. As... -
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... -
An ethogram for the nesting and breeding behaviour of the Hooded Vulture Necrosyrtes monachus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Fiona K Fern --- , South Africa Lindy J Thompson --- , South Africa Colleen T Downs --- , South AfricaMost vulture species worldwide are in decline and of conservation concern. Despite the growing attention to vultures, relatively few studies have focused on their breeding behaviour. Understanding all aspects of a species’ behaviour and its behavioural needs could help to... -
Determination of foliar nutrient sufficiency ranges in cultivated rooibos tea using the boundary-line approach
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacobus FN Smith --- , South Africa Ailsa G Hardie --- , South AfricaDespite the global importance of rooibos tea (Aspalathus linearis (Burm.f.) R.Dahlgren) as a health-promoting crop, foliar nutrient sufficiency ranges have not yet been determined for commercially cultivated rooibos. Determination of these ranges is critical for assessing plant nutrient status 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... -
‘Every teacher is a researcher!’: Creating indigenous epistemologies and practices for HIV prevention through values-based action research
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lesley Wood [d88e14]Since gender is an undisputed driver of HIV infection, teachers concerned with HIV prevention education should ideally encourage critical awareness of and culturally sensitive practices around gender inequalities. Many interventions and programmes have been developed for teachers to enable them... -
‘You need to have some guts to teach’: Teacher preparation and characteristics for the teaching of sexuality and HIV/AIDS education in South African schools
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Dennis A. Francis --- , South Africa Renée DePalma --- , SpainUsing in-depth interviews, we asked sexuality educators in South Africa about their own professional preparation and what they believed were necessary educator characteristics for teaching Sexuality Education. Our findings show that our teachers taught Sexuality Education without any appropriate qualification... -
From otium to opium (and back again?): Lockdown’s leisure industry, hyper-synchronisation and the philosophy of walking
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Helen-Mary Cawood --- University of the Free State, South Africa Mark J. Amiradakis --- University of the Free State, South AfricaThis article provides an account of the cultural changes induced by the pandemic, and draws on the tradition of critical theory (especially the work of Horkheimer and Adorno, and Fromm) and the work of Bernard Stiegler to critically assess their... -
Time to look at the stars? Reflections on bias and prejudice in hospitality management education
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Conrad Lashley --- , United KingdomThis article reflects on a keynote presentation made at the 32nd Council for Hospitality Management Education Research Conference hosted at NHL Stenden University of Applied Science in Leeuwarden, The Netherlands. The field of study prepares managers who will organise the... -
Critical thinking: Stakeholder expectations and challenges for Accountancy educators
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E. A. J. Terblanche --- University of South Africa, South Africa C. C. Shuttleworth --- University of South Africa, South Africa A. A. van Rooyen --- University of South Africa, South Africa R. N. Masela --- University of South Africa, South AfricaDeveloping future accountants who are critical thinkers, able to adapt in a volatile, uncertain, complex, and ambiguous (VUCA) world, remains one of the biggest challenges facing accounting educators. Competency frameworks of professional accounting bodies do provide some guidance in terms... -
Fine-scale drivers of extinction risk: tadpole occupancy dynamics of the Table Mountain Ghost Frog (Heleophryne rosei)
Item type: Journal Article • Journal: African Zoology • Authors: --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa --- University of Cape Town, South Africa --- , South Africa --- , South AfricaOver the last four decades much progress has been made towards recognising causes of global amphibian declines, but knowledge of fine scale drivers, particularly for specialised species, remains poor, inhibiting conservation effectiveness. The case of the Table Mountain Ghost frog... -
Determination of optimal soil pH and nutrient concentrations for cultivated rooibos tea using the boundary line approach
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacobus FN Smith --- Stellenbosch University, South Africa Ailsa G Hardie --- Stellenbosch University, South AfricaOptimal soil pH and nutrient conditions for rooibos cultivation in South Africa have not yet been established as limited field research has been conducted. Soil chemical (0–300 mm) and yield data were collected from 120 commercial rooibos plantations in the main... -
A targeted survey for the Durban Dwarf Burrowing Skink Scelotes inornatus (Smith 1849) at Bluff Nature Reserve and Treasure Beach in Durban, KwaZulu-Natal, South Africa, with notes on sympatric herpetofauna
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: AJ Armstrong --- Biodiversity Research & Assessment, South Africa PR Jordaan --- African Ecological Conservation Projects, South AfricaA survey for the Critically Endangered Durban Dwarf Burrowing Skink Scelotes inornatus (Smith 1849) was conducted in two protected areas in Durban, South Africa, in August and September 2021. Twelve sites, each encompassing a combination of vegetation type, elevation, slope... -
The psychological well-being of schoolteachers in South Africa: A critical review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anneke Fourie --- North-West University, South Africa Werner de Klerk --- North-West University, South AfricaTeaching is a stressful occupation associated with various challenges that may adversely affect schoolteachers’ psychological well-being (PWB) and the provision of quality basic education. The nature and effects of teacher PWB may depend on their work context. This critical review... -
Existence results for fractional Dirichlet problems of p-Laplacian with instantaneous and non-instantaneous impulses on time scales
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xing Hu --- Neijiang Normal University, P.R. China Yongkun Li --- Yunnan University, People’s Republic of ChinaIn this paper, by means of a relation between Riemann-Liouville fractional derivative and Caputo fractional derivative on time scales and with the help of variational methods and critical point theory, we obtain the existence results for a class of fractional... -
Periodic solution for perturbed Hamiltonian systems
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Khaled Khachnaoui --- University of Kairouan, TunisiaIn this paper, we study the existence of infinitely many periodic solutions for second-order perturbed Hamiltonian systems. By using variational methods, we obtain new criteria to guarantee the existence of infinitely many periodic solutions using Bolle’s perturbation method. Our results... -
Advancing methodological diversity in critical tourism, leisure and hospitality research: a thorough analysis in the African context
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Wagnew Eshetie Tsegaw --- Bahir Dar University, EthiopiaWhile the African context provides a unique environment for critical tourism, leisure and hospitality research, it is still understudied by academia, mostly due to the small academic community and the high difficulty in obtaining data. This article explores and showcases... -
Community social capital and mental health participation: Test of psychosocial mediators in two resource-poor urban communities in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Francis Agyei --- University of Health and Allied Sciences, Ghana Ama de-Graft Aikins --- Institute for Advanced Studies (IAS), University College London (UCL), United Kingdom Annabella Osei-Tutu --- University of Ghana, Ghana Francis Annor --- University of Cape Coast, GhanaWe utilised a multiple mediation model to investigate the pathways linking dimensions of community social capital to collective participation in mental health promotion in two urban communities in Ghana. Participants (n = 384) were from Jamestown (n = 144) and... -
The potential predators of pancake tortoises (Malacochersus tornieri) in Kenya
Item type: Journal Article • Journal: African Zoology • Authors: Jacob Mueti Ngwava --- Hainan Normal University, China Fanrong Xiao --- Hainan Normal University, China Patrick Kinyatta Malonza --- , Kenya Beryl Akoth Bwong --- , Kenya Hai-Tao Shi --- Hainan Normal University, ChinaStudying the interactions between prey and predators is crucial for understanding the intricacies of predator-prey dynamics and for formulating effective conservation strategies. Yet there is almost no systematic analysis of pancake tortoise predation, and its consequences on the tortoise populations... -
Muscle ultrasound: a reliable bedside tool for dietitians to monitor muscle mass
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Lizl Veldsman --- Stellenbosch University, South Africa Alison Lupton-Smith --- Stellenbosch University, South Africa Guy A Richards --- University of the Witwatersrand, South Africa Renée Blaauw --- Stellenbosch University, South Africa -
On positive solutions of the Cauchy problem for doubly nonlocal equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sanping Rao --- Nanchang Institute of Technology, P.R. China Chunxiao Yang --- Xi’an University of Architecture and Technology, P.R. China Jinge Yang --- Nanchang Institute of Technology, P.R. ChinaWe study the Cauchy problem for the doubly nonlocal equation -
Nest-site selection by Hooded Vultures Necrosyrtes monachus in the Sudano–Sahelian area of Burkina Faso
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- University Centre of Tenkodogo, Thomas Sankara University, Burkina Faso Lindy J Thompson --- , South Africa Adama Ouéda --- University Joseph Ki-Zerbo, Burkina Faso Idrissa Ouédraogo --- University Joseph Ki-Zerbo, Burkina Faso Peter DM Weesie --- University of Groningen, The NetherlandsUnderstanding the factors influencing selection of nesting habitat may be important in the placement and management of Vulture Safe Zones (areas where vultures can safely breed) and in the development of successful conservation programmes. In this study, we analysed the... -
A study of a Kirchhoff-type p(x)-triharmonic problem involving two parameters
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xiumei Han --- Shandong University of Science and Technology, P.R. China Zohreh Naghizadeh --- University of Science and Technology of Mazandaran, Iran Binlin Zhang --- Shandong University of Science and Technology, P.R. ChinaOur most significant aim is to guarantee multiplicity results for a Kirchhoff-type problem involving two parameters and p(x)-triharmonic operator subject to the Navier boundary condition. More precisely, two critical point theorems are exploited to attain main theorems. -
Multiple solutions for a Bibarmonic elliptic equation with critical Choquard type nonlinearity
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Chunyu Lei --- Guizhou Minzu University, China Jun Lei --- Guizhou University, China Hongmin Suo --- Guizhou Minzu University, ChinaThis article concerns the following Bibarmonic elliptic equation with critical growth -
Tight Toughness Bounds for Fractional (k, n)-Critical Graphs with Large n
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wei Gao --- School of Mathematics, Hohai University, China Weifan Wang --- School of Mathematical Sciences, Zhejiang Normal University, China Yaojun Chen --- School of Mathematics, Nanjing University, ChinaA graph G is called a fractional (k, n)-critical graph if G − V ′ admits a fractional k-factor for any V ′ ⊆ V (G) with |V′| = n. The main result in this paper states the following facts:... -
Uphicothonzulu ngokwenkcazobungcali yenkcubekontlalo ngokobuhlanga kwibali elifutshane lesiXhosa elithi Umgcini-mangcwaba
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mlamli Diko --- University of South Africa (UNISA),Iiyantlukwano ngokobuhlanga kunye nocalucalulo zibonisa ukunyathelela phezulu, nto leyo ethi ithintele ubumbano nentsebenziswano phakathi kweentlanga ngeentlanga kwintlalo nenkcubeko yoMzantsi Afrika. Nakubeni umgaqonkqubo wocalucalulo wabhangiswa ngomnyaka we1994, abaNtsundu kunye namaNgesi abonakalisa ukungqubana nokujongana ngezikhondo zamehlo kwiimeko ezithile njengoko kuvela kwibali elifutshane... -
The role of nutrition in patients with pemphigus receiving prolonged corticosteroid therapy
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Fiona Wongkar --- Udayana University/Ngoerah Hospital, Indonesia Nyoman Suryawati --- Udayana University/Ngoerah Hospital, Indonesia Agustinus I Wayan Harimawan --- Udayana University/Ngoerah Hospital, Indonesia Made Candra Wijanadi --- Udayana University/Ngoerah Hospital, IndonesiaPemphigus is a rare autoimmune blistering disorder that affects the skin and mucous membranes, characterised by acantholysis due to IgG-mediated autoantibody interference with desmoglein-mediated keratinocyte adhesion. Despite advances in immunosuppressive therapy, managing pemphigus remains a challenge. Both disease pathology and... -
Assessing the thermal tolerance of a cosmopolitan eurythermal species, the flathead mullet Mugil cephalus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DL Mukhari --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa BA Ziko --- Rhodes University, South Africa TS Murray --- Rhodes University, South AfricaWater temperature is a key abiotic factor affecting fish physiology, behaviour and distribution, with fluctuations impacting species assemblages and habitat use. The flathead mullet Mugil cephalus is a eurythermal species with a cosmopolitan distribution across tropical, subtropical and temperate coastal... -
Individual variability in the thermal limits of juvenile dusky kob Argyrosomus japonicus from a permanently open estuary
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Frachet --- Rhodes University Department of Ichthyology and Fisheries Sciences, South Africa A-R Childs --- Rhodes University Department of Ichthyology and Fisheries Sciences, South Africa AC Winkler --- Rhodes University Department of Ichthyology and Fisheries Sciences, South Africa MW Farthing --- Rhodes University Department of Ichthyology and Fisheries Sciences, South Africa CD Hempel --- Rhodes University Department of Ichthyology and Fisheries Sciences, South Africa WM Potts --- Rhodes University Department of Ichthyology and Fisheries Sciences, South AfricaGlobally, fish are facing the pressure of increasing thermal variability, which challenges the physiological capacity and resilience of species at the level of the individual, population and community. As transition zones, estuarine ecosystems are becoming increasingly thermally dynamic, which affects... -
Will I survive? Assessing the thermal tolerance of an estuary-dependent mugilid, Chelon dumerili, in a changing climate
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BA Ziko --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AR Childs --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa DL Mukhari --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaDetermining the thermal tolerance limits of fishes is crucial for understanding their persistence in the face of anthropogenic climate change. This study used dynamic critical thermal assays to determine the upper (CTmax) and lower (CTmin) critical thermal limits of an... -
Effects of nonlocal source terms on Kirchhoff-type double phase equations with variable exponents: Existence of three distinct solutions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Khaled Kefi --- Center for Scientific Research and Entrepreneurship, Northern Border University, Saudi Arabia Haikel Ouerghi --- Department of Quantitative Methods, Jendouba University, Research Laboratory of Mathematics and Applications, Tunisia Khaled Benali --- Department of Mathematics, Faculty of Sciences of Gabes, Research Laboratory of Mathematics and Applications, Tunisia Nguyen Thanh Chung --- Faculty of Mathematics and Information Technology, The University of Danang - University of Science and Education, VietnamThis paper investigates a class of Kirchhoff-type double phase problems distinguished by the inclusion of two nonlocal source terms and formulated in the framework of variable exponent Sobolev spaces. By applying a variant of Bonanno’s critical point theorem [12], we...
