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Measurements of mineralization, nitrification and denitrification in laboratory incubations of soil from a semi-arid natural grassland
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.H. Wiltshire --- Department of Soil Science, Republic of South Africa C.C. du preez --- Department of Soil Science, Republic of South AfricaExperiments were done to compare three incubation methods after it was found that prolonged incubation of soil in sealed preserving jars resulted in the exhaustion of head- space oxygen and anaerobiosis in the soil. Nitrate added to soil from the... -
The effect of degree and duration of water saturation on selected redox indicators: pe, Fe2+ and Mn2+
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K. Smith --- Department of Soil, Crop and Climate Sciences, South Africa C.W. van Huyssteen --- Department of Soil, Crop and Climate Sciences, South AfricaIt was previously hypothesised that reduction in the soil will set in at 70% water saturation (S0.7). This study aimed to determine the effect of different degrees and durations of water saturation on reduction in soil. Reduction was measured as... -
Influence of bushdumps on the herbaceous understorey in a mesic Eastern Cape savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M. Mapuma --- Eastern Cape Department of Agriculture, Republic of South AfiicaStudies of the effects of woody vegetation on herbaceous vegetation in southern Africa have focused almost exclusively on savannas with isolated trees with no attention given to multi‐species bushclump savannas. The influence of multi‐species bushdumps on herbaceous vegetation was investigated... -
Community Psychology: The Case of Cameroon
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Therese Tchombe --- University of Buea, Cameroon Raul Kassea --- ENS University of Yaoundé, CameroonCommunity psychology in Cameroon is a budding discipline even its practice, given the scarcity of professionals with specialised training. However, this paper highlights public and private community-oriented projects that resonate with the principles of community psychology. The demands are high... -
Lay Counsellor-Based Risk Reduction Intervention with HIV Negative Diagnosed Patients at HIV Counselling and Testing Sites in a Rural South African Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, South Africa, University of the Free State, South Africa Cily Tabane --- Human Sciences Research Council, South Africa Gladys Matseke --- Human Sciences Research Council, South Africa Leickness Simbayi --- Human Sciences Research Council, South AfricaThe study evaluated the feasibility, fidelity, and effectiveness of a human immunodeficiency virus (HIV) prevention intervention delivered to HIV-uninfected patients by lay counsellors during routine HIV counselling and testing (HCT) service in Mpumalanga, South Africa. Participants were 543 HIV negative... -
Variation Reduction and Lu Lu-smoothing
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: C.H. RohwerIn the space of absolutely summable sequences the total variation of a sequence becomes a natural norm, and is a measure of smoothness. This norm is preserved by the so-called LU LU-smoothers, in that the variation of the image plus... -
European basket option pricing by maximizing over a subset of lower bounds
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: W. Mudzimbabwe --- Department of Mathematics and Applied Mathematics, South Africa K.C. Patidar --- Department of Mathematics and Applied Mathematics, South Africa P.J. Witbooi --- Department of Mathematics and Applied Mathematics, South AfricaIn this paper we derive a lower bound for the price of a European basket option under the Black and Scholes framework. The bound is based on the conditioning method of [L.C.G. Rogers and Z. Shi, The value of an... -
The ethics of HIV research with people who inject drugs in Africa: a desk review
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicole Mamotte --- School of Psychology, Ethics, Law, and Human Rights Collaborating Centre of the African AIDS Vaccine Programme (AAVP ELH), South AfricaInjecting drug use is a growing problem in Africa and a growing risk factor for contracting HIV in the region. It is imperative that HIV research includes injecting drug users so that they too are able to benefit from safe... -
Some aspects of the ecology of the Groot Letaba River in the Northern Province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W Vlok JS EngelbrechtThe aim of this pilot study was to evaluate the current ecological status of the Groot Letaba River and to compare this information with historical data. The objective was to determine the effects of various impacts on the fish populations... -
A new approach to modelling streamflow reductions resulting from commercial afforestation in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: M.B. Gush --- Environmentek CSIR, D.F. Scott --- Department of Earth and Environmental Sciences, Canada G.P.W. Jewitt --- School of Bio-Resources Engineering and Environmental Hydrology, R.E. Schulze --- School of Bio-Resources Engineering and Environmental Hydrology, L.A. Hallowes --- , A.H.M. Görgens --- Dept. of Civil Engineering,The Department of Water Mfairs and Forestry has, for some time, needed a comprehensive tool to incorporate the impacts of commercial afforestation on water resources into water use authorisation and allocation processes. Simulation modelling on a national scale, using the... -
Can bycatch reduction devices be implemented successfully on prawn trawlers in the Western Indian Ocean?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ST Fennessy B IsaksenBycatch reduction devices (BRDs) are increasingly being used in prawn trawl fisheries worldwide. This paper describes an experiment with a Nordmøre grid and a square-mesh panel on a prawn trawler off Moçambique. Although numbers of hauls that caught elasmobranchs were... -
Epidemiological profile of non-daily smokers in South Africa: implications for practice
Item type: Journal Article • Journal: South African Family Practice • Authors: OA Ayo-Yusuf --- Department of Community Dentistry and School of Health Systems and Public Health, B Szymanski --- School of Health Systems and Public Health,Background: This study sought to provide an epidemiological profile of non-daily (ND) smokers in South Africa. -
On The Diophantine equation Fn +F m =2 a
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jhon J. Bravo --- , , Colombia Florian Luca --- , , South AfricaIn this paper, we find all the solutions of the title Diophantine equation in positive integer variables (n, m, a), where F k is the kth term of the Fibonacci sequence. The proof of our main theorem uses lower... -
The use of glyphosate for the management of secondary coppice regrowth in a Eucalyptus grandis × E. urophylla coppice stand in Zululand, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jonathan C Roberts --- School of Natural Resource Management, South Africa Keith M Little --- School of Natural Resource Management, South Africa Marnie E Light --- Institute for Commercial Forestry Research, South AfricaIn South Africa, commercial eucalypt stands may be regenerated through the stepwise reduction of coppice shoots following felling. The development of secondary coppice regrowth following these reduction operations results in competition with the remaining stems, possibly resulting in a reduction... -
Crop rotation and tillage system effects on reducing ryegrass occurrence in spring wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sinovuyo M Nteyi --- Department of Agricultural Management, South Africa Raymond MB Auerbach --- Department of Agricultural Management, South Africa Michael I Ferreira --- Plant Sciences, South Africa Johan Labuschagne --- Plant Sciences, South AfricaUnder the Mediterranean climatic conditions of the Western Cape province, the Swartland region is intensively cropped, producing spring wheat (Triticum aestivum L.), but due to ryegrass competition, yield is reduced. In addition, ryegrass has developed resistance to herbicides. This necessitates... -
A poverty-reduction oriented perspective to small business development in South Africa: A human capabilities approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: P. Rambe --- Department of Business Support Studies, South Africa L. Mosweunyane --- Department of Business Support Studies, South AfricaDespite the South African government’s strategic policy interventions and huge investments into small business development over the past two decades, solid evidence of the transition of informal businesses to the formal sector is hard to encounter. Furthermore, the high rates... -
Wasted wines
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Elize Koldenhof --- Alumni International Hospitality Management, The Netherlands Femke Vrenegoor --- International Hospitality and Service Management, The NetherlandsThis paper reports on a management project, a fourth-year research project at Stenden Hotel Management School, dedicated to reducing wine waste at Landgoedhotel de Wilmersberg in De Lutte (the Netherlands). To do this, the beverage cost percentages were explored for... -
Key factors that drive phytoplankton biomass and community composition in the urbanised Nahoon Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: P Cotiyane --- Department of Botany, South Africa J Adams --- Department of Botany, South Africa A Rajkaran --- Department of Biodiversity and Conservation Biology, South AfricaEstuaries are under intense pressure, because of urban developments and water abstraction. Water column characteristics of the Nahoon Estuary were examined in 2014–2015 to identify factors that influenced phytoplankton dynamics. The estuary was found to be saline (∼33) and remained... -
The bivalve Lembulus bicuspidatus may enhance denitrification in shelf sediment at the Angola–Benguela Frontal Zone
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Neumann --- University of Hamburg, Institute for Geology, Germany A Flohr --- Leibniz Center for Tropical Marine Ecology, GermanyWe collected living individuals of the bivalve Lembulus bicuspidatus, which shows an unusual preference for the oxygen-deficient habitat found at the Angola–Benguela Frontal Zone of the southeastern Atlantic. With a series of incubation experiments with 15N-labelled nitrate as a tracer... -
Impact of number of stems per stool on mechanical harvesting of a Eucalyptus globulus coppiced plantation in south-west Western Australia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Martin Strandgard --- Australian Forest Operations Research Alliance (AFORA), Australia Rick Mitchell --- Australian Forest Operations Research Alliance (AFORA), AustraliaCoppice regeneration of eucalypt plantations is increasingly being used in Australia to reduce re-establishment costs. However, little is known about the impact of early coppice reduction regimes on harvester performance during clearfelling. The trial compared the productivity, time consumption, cost... -
Social support-oriented coping and resilience for self-harm protection among adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wilmie van der Wal --- Department of Psychology, South Africa Ancel A. George --- Department of Psychology, South AfricaThe study aimed to investigate the extent to which social support-focused coping and resilience can predict lower risk for self-harm by at-risk adolescents. Participants were 962 high school learners from nine high schools in the Free State Province, South Africa... -
Descriptive analysis of building indigenous low-carbon innovation capability in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yusuf Opeyemi Akinwale --- School of Economics, Faculty of Economic Sciences and IT, South AfricaThe issue of a low-carbon energy system is contentious especially in developing countries as the world is transiting from a fossil fuel based economy to a low-carbon economy. A new development path of low-carbon energy is being sought so as... -
Strategies and Technologies for Camel Milk Preservation and Utilization of Non-Marketed Milk in Arid and Semi-Arid Areas
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Jackline Akinyi Ogolla --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, Germany Christian Dede --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, Germany Michael Wandayi Okoth --- University of Nairobi. College of Agriculture and Veterinary Sciences. Department of Food Science, Nutrition and Technology, Kenya Oliver Hensel --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, Germany Barbara Sturm --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, GermanyThis study determined the seasonal fluctuations in camel milk yield, consumption, spoilage and spillages, and explored its forms of consumption and the acceptability of camel milk powder in Isiolo County, Kenya. In addition, the utilization of non-marketed milk, preservation technologies,... -
Homicide–suicide: practical implications for risk reduction and support services at primary care level
Item type: Journal Article • Journal: South African Family Practice • Authors: C Kotzé --- Weskoppies Psychiatric Hospital/Department of Psychiatry, School of Medicine, South Africa JL Roos --- Weskoppies Psychiatric Hospital/Department of Psychiatry, School of Medicine, South AfricaHomicide–suicide (HS) has been defined as homicide committed by a person who subsequently commits suicide within one week of the homicide. In most cases it occurs within 24 hours. HS is a public health problem, victimising not only those directly... -
Effect of degree and duration of water saturation on iron, manganese and exchangeable cations in wetland soils of Maputaland, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Brenton Mabuza --- Soil, Crop and Climate Sciences, South Africa Cornelius W van Huyssteen --- Soil, Crop and Climate Sciences, South AfricaSoils of the Maputaland Coastal Plain are naturally grey, do not contain any redoximorphic features, and are therefore problematic to interpret during wetland delineation. This study was consequently initiated to determine if these soils were able to reduce in a... -
Body condition of Little Egret Egretta garzetta nestlings in relation to hatching order in a southern Tunisian breeding colony
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Amel Neb --- Unité de Recherche “Ecologie de la Faune Terrestre” (UR17ES44) – Faculté des Sciences de Gabès, Tunisia Abdessalem Hammouda --- Unité de Recherche “Ecologie de la Faune Terrestre” (UR17ES44) – Faculté des Sciences de Gabès, Tunisia Slaheddine Selmi --- Unité de Recherche “Ecologie de la Faune Terrestre” (UR17ES44) – Faculté des Sciences de Gabès, TunisiaThe effect of asynchronous hatching on nestling health and condition in ardeids is still in need of empirical evidence from populations living in different environmental conditions. Using morphometric and hematologic data from Little Egret Egretta garzetta nestlings in a Tunisian... -
Market orientation and poverty reduction: A study of rural microentrepreneurs in Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Charles Blankson --- Department of Marketing, Logistics and Operations Management, G. Brint Ryan College of Business, USA Julius A. Nukpezah --- Department of Political Science and Public Administration, USAWe draw on the quality of life theory and government economic development policies that focus on entrepreneurship for a theoretical backdrop to investigate the consequences of market orientation among microentrepreneurs in Ghana. We use qualitative data from 28 microentrepreneurs involving... -
“Reproducing the social”: contradictory interconnections between land, cattle production and household relations in the Besters Land Reform Project, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Donna Hornby --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South AfricaLand redistribution policy in South Africa emphasises commercial farming as the legitimate use of land. This production-oriented framework fails to take into account the intertwined but unstable relationship between the production of market value and social reproduction, and how this... -
Encountering, explaining and refuting essentialism
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jonatan Kurzwelly --- , South Africa Nigel Rapport --- , United Kingdom Andrew D. Spiegel --- , South AfricaEssentialism manifests itself in a diversity of forms and is used in multiple ways. Yet it is always potentially dangerous — even when it is mobilised strategically and in apparently worthy forms for purposes of overcoming oppressive structures. As the... -
Effect of added organic substrates on reduction in a soil from the Maputaland Coastal Plain
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Brenton Mabuza --- , South Africa Cornelius Wilhelm van Huyssteen --- , South AfricaWetland soils of the Maputaland Coastal Plain do not exhibit the redox morphology typically associated with extended periods of water saturation. The aim of this paper was to determine if the addition of various organic substrates (buffalo grass, peat, sucrose)... -
Addressing community-level stigma toward key populations: communication insights from action research in Ghana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Warren Parker --- , USA Joan Schubert --- , Ghana Serwaa Owusu-Ansah --- , Ghana Kwadwo Asante-Afari --- , Ghana Samuel Edem Assisi --- , Ghana Emmauel D Adiku --- , Ghana Thad Pennas --- , USA Saul Evans Williams --- , GhanaBackground: Global HIV response emphasises improving the uptake of HIV testing, providing access to antiretroviral therapy and sustaining viral suppression with a view to curtailing the pandemic by 2030. Stigma and discrimination impede this response by limiting engagement with the... -
Development of an HIV risk reduction counselling intervention for use in South African sexually transmitted infection clinics
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Vuyisile Mathiti --- University of the Western Cape, Leickness C. Simbayi --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Sean Jooste --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Queen Kekana --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Xolani P. Nibe --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Luvuyo Shasha --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Philasande Bidla --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Pamela Magubane --- Social Aspects of HIV/AIDS and Health research programme, Human Sciences Research Council, Demetria Cain --- Psychology Department, University of Connecticut, Charsey Cherry --- Psychology Department, University of Connecticut, Seth C. Kalichman --- Psychology Department, University of Connecticut,South Africa urgently needs HIV prevention interventions that can be disseminated for use in clinical and community settings. A brief theory-based HIV risk reduction counselling intervention originally developed in the USA has recently been adapted for use in a South... -
For the common good: Measuring residents' efforts to protect their community from drug- and sex-related harm
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pedro Mateu-Gelabert --- NDRI, Inc., USA Melissa Bolyard --- Emory University, USA Carey Maslow --- New York City Department of Health and Mental Hygiene, Milagros Sandoval --- NDRI, Inc., USA Peter Flom --- BrainScope, Samuel R Friedman --- NDRI, Inc., USAPeople in high-risk neighbourhoods try to protect their friends, neighbours, relatives and others from the social and physical risks associated with sex and drug use. This paper develops and validates a community-grounded questionnaire to measure such ‘intravention’ (health-directed efforts to... -
HIV knowledge, disclosure and sexual risk among pregnant women and their partners in rural South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Molatelo Elisa Shikwane --- , South Africa Olga M. Villar-Loubet --- , USA Stephen M. Weiss --- , USA Karl Peltzer --- , South Africa Deborah L. Jones --- , USAPartner involvement has been deemed fundamental for the prevention of mother-to-child transmission (PMTCT) of HIV, although it remains difficult to achieve. This study aimed to explore the attitudes and behaviours of pregnant women and their partners who participated in a... -
Consensus on context-specific strategies for reducing the stigma of human immunodeficiency virus/acquired immunodeficiency syndrome in Zambézia Province, Mozambique
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Abraham Mukolo --- , , USA Isabel Torres --- , Mozambique Ruth M. Bechtel --- , Mozambique Mohsin Sidat --- , , Mozambique Alfredo E. Vergara --- , USAStigma has been implicated in poor outcomes of human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) care. Reducing stigma is important for HIV prevention and long-term treatment success. Although stigma reduction interventions are conducted in Mozambique, little is known about the... -
Effects of adolescent exposure to behaviour change interventions on their HIV risk reduction in Northern Malawi: a situation analysis
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: M. Mwale --- , , Malawi A. S. Muula --- , , MalawiUnderstanding adolescents’ translation of HIV and AIDS-related behaviour change interventions (BCI) knowledge and skills into expected behavioural outcomes helps us appreciate behaviour change dynamics among young people and informs evidence-based programming. We explored the effects of adolescents’ exposure to BCI... -
Key role-players’ perceptions of the current salt legislation in South Africa: opportunities and challenges
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Marzanne van Loggerenberg --- Stellenbosch University, South Africa Bianca van der Westhuizen --- University of South Africa, South Africa Nelene Koen --- Stellenbosch University, South Africa -
A note on reducing resistance in snarks
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Imran Allie --- University of Cape Town,In this paper, we define new parameters which measure the edge uncolourability of cubic graphs. These parameters count the minimum number of vertex reductions required to render a 3-edge-colourable graph, given a cubic graph G. Two of these parameters we... -
On b-repdigits as product of consecutive of Lucas members
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Kouèssi Norbert Adédji --- Institut de Mathématiques et de Sciences Physiques, Université d’Abomey-Calavi, Bénin Virgile Dossou-yovo --- Institut de Mathématiques et de Sciences Physiques, Université d’Abomey-Calavi, Bénin Salah Eddine Rihane --- , Algeria Alain Togbé --- Purdue University Northwest, USAA b-repdigit is a positive integer that has only one distinct digit in its base b expansion, i.e. a number of the form a(bm – 1)=(b – 1), for some positive integers m ≥ 1, b ≥ 2 and 1... -
Form of the solutions of difference equations via Lie symmetry analysis and Fibonacci numbers
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Melih Göcen --- Zonguldak Bülent, Ecevit University, Turkey Mensah Folly-Gbetoula --- University of the Witwatersrand,In this paper, we give the form of the solutions of the following rational difference equation -
The African Penguin Spheniscus demersus should be considered Critically Endangered
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Richard B Sherley --- Environment and Sustainability Institute/Centre for Ecology and Conservation, University of Exeter, United Kingdom Azwianewi B Makhado --- , South Africa Robert JM Crawford --- , South Africa Christina Hagen --- , South Africa Jessica Kemper --- , Namibia Katrin Ludynia --- University of the Western Cape, South Africa Makhudu J Masotla --- , South Africa Alistair McInnes --- , South Africa Lorien Pichegru --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Desmond Tom --- , Namibia Leshia Upfold --- , South Africa Lauren J Waller --- University of the Western Cape, South AfricaThe African Penguin Spheniscus demersus has been considered a threatened species since 1984 and, aside from a short period around 2000, its population has been in constant decline since at least the 1950s. By combining counts of the numbers of... -
Enhancing assessment quality and reducing workload in hospitality higher education: a comprehensive strategy
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- NHL Stenden University of Applied Science, The Netherlands Javed Suleri --- NHL Stenden University of Applied Sciences, The NetherlandsThis viewpoint article proposes a comprehensive assessment strategy to address two critical challenges in hospitality higher education: enhancing the quality of student work, while reducing educator workload. Drawing from programmatic assessment literature and practical experience in hospitality education, we present... -
On the analysis and integrability of the time-fractional stochastic potential-KdV equation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Nida Zinat --- Government College University, Pakistan Akhtar Hussain --- The University of Lahore, Pakistan A.H. Kara --- University of the Witwatersrand, South Africa F.D. Zaman --- Government College University, PakistanThis study investigates the invariance properties of the time-fractional stochastic potential-KdV (FSP-KdV) equation, intending to enhance our understanding of the dynamics associated with nonlinear photon and optical soliton propagation. The application of the Lie group analysis method enables the derivation... -
Stigma reduction Interventions for adolescents and young adults living with HIV in Sub-Saharan African countries: The state of the evidence
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Dorothy Serwaa Boakye --- University of Education, Ghana Samuel Adjorlolo --- School of Nursing and Midwifery, College of Health Sciences, University of Ghana, GhanaBackground: HIV-related stigma remains a significant barrier to well-being and access to healthcare for adolescents and young adults living with HIV in Sub-Saharan Africa. Stigma reduction interventions have been developed to address this challenge, but the effectiveness of these interventions... -
The effect of eucalypt slash burning and repeated disc harrowing on fuel load reduction, soil properties, and stand productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Angel A Goldsmith --- Stellenbosch University, South Africa Ben du Toit --- Stellenbosch University, South AfricaIn plantation forestry systems, disc harrowing is sometimes used as a fuel load reduction measure to minimise wildfire risk. This study reports the long-term effects of repeated disking on fuel loading, soil properties and tree growth in two eucalypt stands... -
Silvicultural management strategies for climate change mitigation with the focus on plantation forests
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ben du Toit --- Stellenbosch University, South AfricaThis technical note explores several practical actions whereby short-rotation plantation forests in warm climates can be managed for increased resilience in the face of climate change. It includes landscape level issues such as ecosystem resilience, limiting the invasive tendencies of... -
A reduced-parameter predator–prey model of soil formation from bedrock and biomass
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Animesh Samanta --- The Neotia University, India Priyanka Mandal --- The Neotia University, India Ayan Chatterjee --- The Neotia University, IndiaSoil–bedrock interaction on hillslopes is not well-studied, though it's affected by many physical and chemical factors. The aim of the present mathematical modelling study is to construct a model for soil formation utilising ordinary differential equations, all while reducing the...
