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Effect of Initial Spacing and Thinning on Some Wood Properties of Eucalyptus grandis
Item type: Journal Article • Journal: South African Forestry Journal • Authors: F.S. Malan --- Division of Forest Science and Technology, M. Hoon --- Division of Forest Science and Technology,A study was made of the effect of thinning intensity on wood density and some wood anatomical properties and their within-tree variation patterns, as well as the extent to which the development of growth-stress splits in logs and sawn boards... -
The Wood Properties and Qualities of Three South African-Grown Eucalypt Hybrids
Item type: Journal Article • Journal: South African Forestry Journal • Authors: F.S. Malan --- Division of Forest Science and Technology,Hybridisation is becoming an increasingly important technique in tree breeding to improve yields, adaptability and wood quality. In this study, sample material from crosses of Eucalyptus grandis with E. tereticornis, E. camaldulensis and E. urophylla established on sites of which... -
Ontogeny of Themeda triandra tillers in the false thornveld of the eastern cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture (Eastern Cape Region), A.J. Aucamp --- Department of Agriculture (Eastern Cape Region), L.P. Du Toit --- Department of Agriculture (Eastern Cape Region),Marked populations of Themeda triandra tillers were sequentially sampled at fortnightly intervals under normal conditions and without moisture stress respectively, covering a period from tiller initiation through to senescence after flowering. Parameters recorded were height of shoot apex, tiller mass,... -
Evapotranspirasie en waterverbruiksdoeltreffendheid van verskillende grasspesies in die sentrale Oranje‐Vrystaat
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H.A. Snyman --- , Republiek van Suid‐AfrikaEvapotranspiration and water use efficiency of different grass species in the central Orange Free State. Evapotranspiration (Et) and water use efficiency (WUE) were determined for each of seven grass species during the 1986/87 and 1987/88 seasons. The highest and lowest... -
Die invloed van ontblaring en vog op die tanien‐ en polifenolinhoud van Portulacaria afra
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: A.M. Ras --- , Republiek van Suid‐AfrikaThe influence of defoliation and moisture on the tannin and polyphenol contents of Portulacaria afra. To determine whether tannin and total polyphenol contents of Portulacaria afra change owing to damage, different trees were subjected to three intensities of defoliation, namely,... -
Effect of moisture supply on CAM in Opuntia aurantiaca (jointed cactus)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.H. Whiting --- Department of Botany, E.E. Campbell --- Department of Botany,The patterns of gas exchange exhibited by Opuntia aurantiaca under controlled conditions (photoperiod 12 h; day/night temperature regime 30/15°C) were investigated for plants subjected to various levels of moisture stress. Unstressed plants exhibited a typical full-CAM pattern of gas exchange... -
Effect of planting date on the phenology, seed yield, and fatty acid composition of three sunflower (Helianthus annuus L.) cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.N. de Vos --- , J. Dreyer --- , J.D. Lea --- Department of Crop Science,Four planting dates (early October to mid-January) were used to obtain a range of environmental conditions for growing three sunflower cultivars. The effect of planting date on phenological development was small compared to that of genotype though the hybrid S0404... -
Canopy temperature as a plant water stress indicator for nectarines
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Helga Tormann --- ,Three-year-old nectarine trees of the cultivar Independence grown in free-drainage lysimeters were exposed to a wet and a dry treatment, i.e. high soil moisture content throughout or progressive soil drying respectively. The canopy temperature of the trees was measured with... -
Stomatal resistance measurement as an indicator of water deficit stress in wheat and soybeans
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.M. Oosterhuis --- Department of Agronomy, U.S.A. Sue Walker --- Department Land, Air and Water Resources, Veihmeyer Hall, U.S.A.The usefulness of stomatal response as an indicator of the onset and development of water stress was studied over five seasons in field-grown wheat (Triticum aestivum L.) and soybeans (Glycine max L. Merr.). With the onset of water stress, stomatal... -
'n Vogstremmingsindeks vir gebruik in besproeiing van katoen
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Dippenaar --- , Republiek van Suid-Afrika Catharina Weyers --- , Republiek van Suid-AfrikaDie behoefte bestaan om plantparameters as kritiese indikatore aan te wend om besproeiingsbestuur te vergemaklik. Die blaarwaterpotensiaal (ψb) van katoen en relatiewe turgiditeit (RT%) van blaarskyfies is gedurende 1983 tot 1985 en tydens die 1986/87-seisoen bepaal. Hierdie metings is op... -
Influence of abscisic acid on polyphenol oxidase browning potential in avocado
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.P. Bower --- , Republic of South Africa J. G.M. Cutting --- , Republic of South AfricaVarious levels of abscisic acid (ABA) were infused into unripened ‘Fuerte’ avocado fruit. After ripening, polyphenol oxidase (PPO) activity was measured, and abscisic acid (ABA) levels monitored. The study showed that an increase in applied ABA increased PPO levels, particularly... -
Effect of water stress on cane growth and water use of sugar cane
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N.G. Inman-Bamber --- , Republic of South Africa J.M. de Jager --- , Republic of South AfricaThe growth and water use of three sugar cane cultivars, NCo376, N12 and N14, were measured under varying degrees of water stress controlled by means of a movable rain shelter. Plots of a first ratoon cane crop were allowed to... -
Drought sensitivity of maize (Zea mays L.) in relation to soil fertility and water stress during different growth stages
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.E. Steynberg --- Department of Plant Production, Republic of South Africa P.C. Nel --- Department of Plant Production, Republic of South Africa P.S. Hammes --- Department of Plant Production, Republic of South AfricaMaize was grown under controlled conditions in a pot experiment to determine how drought sensitivity would be affected by differential soil fertilities. Soil was obtained from a fertilization field trial where soil fertility differences developed over a period of 45... -
Die invloed van kort hittestremmings op groei en opbrengs van aartappels
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.S. Hammes --- Departement Plantproduksie, Republiek van Suid-Afrika E.A. Beyers --- Departement Plantproduksie, Republiek van Suid-Afrika Helen Birnbaum --- Departement van Biologie, IsraelPlante van die kultivars Up-to-date en BP1 is in 'n glashuis gekweek en op verskillende tye gedurende die groeiperiode vir vyf opeenvolgende dae aan hoë temperature (35/25°C dag/nag) blootgestel. Die kultivars het eenders op die behandelings gereageer. Die hittestremmingsbehandelings het... -
Effect of pre- and post-harvest water stress on the potential for fruit quality defects in avocado (Persea americana Mill.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.P. Bower --- , Republic of South Africa J. G.M. Cutting --- , Republic of South Africa B.N. Wolstenholme --- , Republic of South AfricaPhysiological and pathological disorders of avocado fruit are a limitation to export sales. The influence of pre-harvest water stress on post-harvest quality was studied using a long-term irrigation trial, i.e., re-wetting in the root zone when soil water tensions reached... -
Bepaling van donkerrespirasie by mielies (Zea mays L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W.H. du Preez --- Landboufakulteit, Republiek van Suid-Afrika J.J. Human --- Landboufakulteit, Republiek van Suid-Afrika L.P. de Bruyn --- Landboufakulteit, Republiek van Suid-AfrikaTwee mieliecultivars wat in potte onder glashuistoestande met optimale watervoorsiening gekweek is, is gedurende die agtblaarstadium en stuifmeelstort tot baardverskyning aan stremming onderwerp deur watertoediening te weerhou. Die CO2-uitvloeitempo is op sekere tye gedurende die nagperiode gemonitor. Hierdie waardes het... -
The effect of leaf water potential on the carbon-dioxide uptake rate during different growth stages of wheat (Triticum aestivum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. Human --- Department of Agronomy, Faculty of Agriculture, Republic of South Africa W.J. Roux --- Department of Agronomy, Faculty of Agriculture, Republic of South Africa L.P. de Bruyn --- Department of Agronomy, Faculty of Agriculture, Republic of South AfricaThe effect of water stress on the CO2 uptake rate was measured at three different growth stages of wheat grown in Mitscherlich pots in a glasshouse experiment. Stress was induced by withholding water until the leaf water potential reached −2... -
Drought-related protein synthesis in cotton
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. van der Mescht --- , Republic of South Africa J.A. de Ronde --- , Republic of South AfricaThe changes in protein profiles of six cotton cultivars subjected to osmotic stress were examined. Osmotic stress was applied by incubating leaf segments in mannitol. The efficiency of protein synthesis decreased with increasing concentrations of mannitol. Drought-related protein synthesis during... -
Heat-shock protein synthesis in cotton is cultivar dependent
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.A. de Ronde --- , Republic of South Africa A. van der Mescht W.A. Cress --- Department of Botany, Republic of South AfricaThe synthesis of heat-related proteins in six cotton cultivars was examined. The protein profiles of heat-stressed plants were highly cultivar specific. Heat-related proteins did not result from protein degradation. Recovery to normal protein synthesis occurred within an hour after the... -
The effect of water stress on the efficacy of diclofop-methyl and CGA 184′927+S on wild oat (Avena fatua)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.A. Agenbag --- Department of Agronomy and Pastures, Department of Botany, Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South Africa J.J. van Biljon --- Agricultural Division, Ciba-Geigy, Republic of South AfricaThe response of wild oat (Avena fatua) to diclofop-methyl and CGA 184′927+S under conditions of water stress was assessed in a pot experiment. Treatments with 0, 8, 16 and 24% polyethylene glycol (PEG 6000) were used to impose water stress... -
Physiological response of spring wheat cultivars to post-anthesis water stress intensity
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaWheat crops produced under dryland conditions in the winter rainfall belt of South Africa are often subjected to water stress. To study the effect of water stress on the spring wheat cultivars Nantes, Palmiet and SST 66, an experiment was... -
Quality response of spring wheat cultivars to post-anthesis water stress intensity
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaThe effect of different intensities of water stress imposed during the first three weeks of grain filling were determined on the protein content, protein composition and bread volume of three spring wheat cultivars. Water stress was induced by watering the... -
Fotosintesetempo en stomatadiffusieweerstand van aartappels soos beïnvloed deur waterstremming
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.F. du Plessis --- , Republiek van Suid-Afrika J.M. Steyn --- , Republiek van Suid-AfrikaDie invloed van waterstremming in aartappelplante op netto fotosintesetempo en stomatadiffusieweerstand is tydens 'n herfsaanplanting ondersoek. Watertoediening is op 14, 28 en 42 dae na opkom gestaak om sodoende verskillende waterstremmingsperiodes tydens die groeiseisoen toe te pas. Hierdie Studie is... -
Evaluation of proline accumulation as an indicator of drought tolerance in spring wheat cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. D.R. van Heerden --- Department of Botany, Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaThe aim of this study was to evaluate proline accumulation as an indicator of drought stress and drought tolerance in spring wheat cultivars (Triticum aestivum L.) grown in the Western Cape. Drought stress was induced in whole plants and leaf... -
Evaluation of the relative water content and the reduction of 2,3,5-triphenyltetrazoliumchloride as indicators of drought tolerance in spring wheat cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. D.R. van Heerden --- Department of Botany, Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaThe aim of this study was to evaluate the relative water content and the reduction of 2,3,5-triphenyltetrazoliumchloride, as indicators of drought stress and drought tolerance in spring wheat cultivars (Triticum aestivum L.) grown in the Western Cape. Drought stress was... -
A comparison of two methods of inducing water stress in wheat (Triticum aestivum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.A. Strauss --- Department of Agronomy and Pastures, G.A. Agenbag --- Department of Agronomy and Pastures,The aim of this study was to compare the withholding of water and the use of polyethylene glycol (PEG) as methods of inducing water stress in spring wheat cultivars (Triticum aestivum L.) grown in the Western Cape. Water stress was... -
Combining ability effects of some spring wheat cultivars at two different temperature levels
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.R. Celliers --- Department of Civil Engineering, Republic of South Africa M.T. Labuschagne --- Department of Plant Breeding, Republic of South Africa C.S. Van Deventer --- Department of Plant Breeding, Republic of South AfricaYield losses due to high temperatures in the wheat growing season is a serious problem in South Africa. The aim of this study was to determine how the expression of general combining ability (GCA) and specific combining ability (SCA) was... -
Effect of moisture stress on sorghum yield and its components
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W.G. Wenzel --- , Republic of South AfricaA sample of 48 sorghum varieties and inbred lines were planted in randomized block designs in two trials, one of which was irrigated. The effect of moisture stress on grain yield, tillering, seeds per ear, ear mass, seeds per plot,... -
Sucrose synthesis and translocation in Zea mays L. during early growth, when subjected to N and K deficiency
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Pretorius --- Department of Agronomy and Horticulture, Republic of South Africa D.T. Nieuwoudt --- Department of Agronomy and Horticulture, Republic of South Africa Diana Eksteen --- Department of Agronomy and Horticulture, Republic of South AfricaBy omitting N and K either separately or in combination from the rooting medium, a nutrient stress condition was created with the aim of ascertaining whether sucrose synthesis or its translocation was linked to nutrient availability (N, K) in young... -
The use of physiological parameters to identify drought tolerance in spring wheat cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.A. Strauss --- Department of Agronomy and Pastures, Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South AfricaWheat crops produced under dryland conditions in the winter rainfall region of South Africa often experience periods of water stress. It is, therefore, important to identify spring wheat cultivars that can withstand these conditions. The multitude of factors potentially involved... -
Response of three sorghum (Sorghum bicolor L. Moench) varieties to soil moisture stress at different developmental stages
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Munamava --- Department of Agricultural Research, Botswana I. Riddoch --- , BotswanaThree varieties (Segaolane, Mahube and Phofu) of sorghum (Sorghum bicolor L. Moench) that were selected in Botswana, were water-stressed at the vegetative, booting and flowering stages in a pot experiment under glasshouse conditions. Stomatal conductance was reduced by water stress... -
The effect of water stress during grain filling on the yield and processing quality of sunflower seed
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.A. Nel --- , Republic of South Africa H.L. Loubser --- , Republic of South Africa P.S. Hammes --- Department of Plant Production and Soil Science, Republic of South AfricaThe oil and protein contents of sunflower seed are affected by water stress. Hullability is a seed quality trait which affects the efficiency of oil extrusion and the quality of the oil cake produced from the seed. Apart from cultivars,... -
Plant water relations and proline accumulation on two cowpea (Vigna unguiculata (L.) Walp.) cultivars as a response to water stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.M. Chiulele --- Department of Agronomy, South Africa G.A. Agenbag --- Department of Agronomy, South AfricaCowpeas produced under rainfed conditions of arid and semiarid areas of Sub-Saharan Africa often experience periods of water stress. It is therefore important to identify drought tolerant cultivars of cowpeas and the mechanisms involved in their ability to withstand these... -
Development of a simple empirical model for predicting maize yields in a semi-arid area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T.B. Zere --- Department of Soil, Republic of South Africa C.W. van Huyssteen --- Department of Soil, Republic of South Africa M. Hensley --- Department of Soil, Republic of South AfricaA yield prediction model is necessary, together with long-term climate data, to calculate the long-term yields needed for making a quantitative productivity evaluation of a crop ecotope in the form of a cumulative probability function (CPF). In this study the... -
Differences in the level of D-glucose and sucrose among durum wheat (Triticum turgidum var durum L.) genotypes differing in their responses to drought stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.F. Solomon --- Department of Plant Sciences, South Africa M.T. Labuschagne --- Department of Plant Sciences, South AfricaThe effect of drought stress on the content of water soluble carbohydrate (sucrose and D-glucose) was investigated in durum wheat (Triticum turgidum var durum L.) above ground organs to assess and characterise the responses of genotypes with differing responses to... -
Protein concentration in response to water stress in Themeda triandra Forsk
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I.B. Oosthuizen --- Department of Animal, H.A. Snyman --- Department of Animal, J.C. Pretorius --- Department of Soil, Crop and Climate Sciences, South AfricaThe influence of water stress on the concentration of water-soluble protein growth reserves was determined during three growth stages (vegetative, pipe and reproductive) as well as in three plant parts (roots, stubble and leaves) for the indigenous C4 semi-arid grass... -
Ameliorative effects of calcium on growth and mineral uptake of salt-stressed amaranth
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E.N. Ornami --- Department of Plant Production and Soil Sciences, South Africa P.S. Hammes --- Department of Plant Production and Soil Sciences, South AfricaThe detrimental effects of salinity stress in plants may be ameliorated by calcium. However, little is known concerning the efficacy of different calcium sources, especially in amaranth. Two amaranth genotypes (Amaranthus tricolor and A. cruentus) were grown in a greenhouse... -
Morpho-physiological response of durum wheat genotypes to drought stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.F. Solomon --- Department of Plant Sciences, South Africa M.T. Labuschagne --- Department of Plant Sciences, South AfricaThe impact of moisture stress on phenology and growth varies for genotypes and the growth stages at which stress is encountered. The aim of this study was to determine the effect of moisture stress on some morpho-physiological traits of durum... -
Soil water variability in the Weatherley grassland catchment, South Africa: I. Evapotranspiration
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: CW van Huyssteen --- Department of Soil, Crop and Climate Sciences, South Africa TB Zere --- Department of Soil, Crop and Climate Sciences, South Africa M Hensley --- Department of Soil, Crop and Climate Sciences, South AfricaEvapotranspiration (ET) is a major component of the soil water balance and therefore requires accurate determination to quantify catchment water yield. Six-year daily ET was determined at 300 mm depth intervals in the root zone of 28 soil profiles in... -
Crop physiology: A perspective for southern Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.T. Modi --- , P.L. Greenfield --- ,Crop physiology is a broad subject and a comprehensive treatise of all its aspects is impossible, even in a whole volume dedicated to the subject. With a few exceptions, plant physiology, rather than crop physiology, is commonly the focus when... -
Underutilised indigenous and traditional crops: why is research on water use important for South Africa?
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.R. Backeberg --- , A.J. Sanewe Water --- ,The answer to the question ‘why is research on water use important for South Africa?’ is quite straightforward: more research is needed because there is a major gap in knowledge on water use of indigenous crops. These indigenous edible plants... -
Preliminary assessment of bambara groundnut (Vigna subterranea L.) landraces for temperature and water stress tolerance under field conditions in Botswana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Sesay --- Botswana College of Agriculture, Botswana T. Mpuisang --- Botswana College of Agriculture, Botswana T.S. Morake --- Department of Agricultural Research, Ministry of Agriculture, I. Al-Shareef --- School of Bioscience, Department of Plant and Crop Science, UK H.J. Chepete --- Botswana College of Agriculture, Botswana B. Moseki --- Department of Biological Sciences, BotswanaField experiments were conducted in 2006/07 and 2007/08 in Botswana to study the response of bambara groundnut to heat stress (2006/07 season) and to heat stress and soil moisture deficit stress (2007/08 season). In both seasons selected bambara groundnut landraces... -
Morphological characters and ascorbic acid content of an elite genotype of Corchorus olitorius: the influence of moisture stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AnofiOT Ashafa --- Department of Plant Sciences, South Africa AbidemiA Abass --- Department of Botany, Nigeria Titilola Osinaike --- Department of Botany, Nigeria FrancisB Lewu --- Agriculture Department, South AfricaMoisture stress can be deleterious to physicochemical properties of crop species to a varying degree. The influence of moisture stress on the ascorbic acid content in the leaf and morphological characters of an elite genotype of Corchorus olitorius were tested... -
Impact of water stress on growth reserves and re-growth of Themeda triandra (Forssk) following defoliation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: I B Oosthuizen H A SnymanThe influence of water stress and defoliation on the concentration of total non-structural carbohydrates (TNCC) and water-soluble protein (WSPC) as growth reserves after defoliation were determined in the indigenous C4 semi-arid grass species Themeda triandra during three growth stages (vegetative,... -
Plant invaders, global change and landscape restoration
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: DA Pyke ST KnickModifications in land uses, technology, transportation and biogeochemical cycles currently influence the spread of organisms by reducing the barriers that once restricted their movements. We provide an overview of the spatial and temporal extent for agents of environmental change (land... -
Influence of moisture stress on growth, dry matter yield and allocation, water use and water-use efficiency of four Indigofera species
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: A Hassen NFG Rethman Z Apostolides WA van NiekerkThe effects of moisture stress were evaluated in four Indigofera species (I. amorphoides, I. arrecta, I. coerulea and I. vicioides) using a pot experiment under glasshouse conditions. The aim was to examine the influence of moisture-deficit stress on physiological attributes... -
Species/defoliation/drought interactions on tuft survival and tiller and phytomass production in four sourveld grass species in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JCO du Toit --- Discipline of Grassland Science, South AfricaProductivity and mortality of grass plants following drought may be controlled by interactions between defoliation and severity of the drought. Prudent grassland management might mitigate deleterious changes in species composition in multispecies grasslands. This study, conducted in a horticultural tunnel,... -
The effect of planting density on the wood quality of South African-grown Eucalyptus grandis
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: F.S. MalanThis paper presents the results of a wood property and sawn board quality study performed on disc samples and sawlogs taken from a 23-year-old Eucalyptus grandis Nelder 1a spacing trial at J.D.M. Keet plantation near Tzaneen. Ten trees from each... -
Palmer Drought Indices and Their Application to Plantation Establishment Strategies
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J.B. Zwolinski --- ,Palmer drought models are introduced as an objective measure of monthly moisture conditions and their application for forestry research is discussed. A case-study showed that Palmer Hydrological Drought Index was preferred to Palmer Drought Severity Index for deciding on establishment... -
Remote sensing from space—present and future applications in forestry, nature conservation and landscape management
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Faculty of Forestry, Fachhochschule Hildesheim/Holzminden, Germany Holger Vogt --- Dipl. Forstwirt Holger Vogt, Faculty of Forestry, South AfricaPast studies have suggested that sound knowledge about the reflectance characteristics of objects could be of great value in understanding the physical, chemical, and the spatial properties of features on our planet. These characteristics can be assessed remotely, and the... -
Stressors and Coping Strategies of State University Students in a Developing Country
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joseph M. Kasayira --- Midlands State University, Zimbabwe Kudzai S. Chipandambira --- Midlands State University, Zimbabwe Chipo Hungwe --- Midlands State University, Zimbabwe Anniah Mupawose --- University of the Witwatersrand, South AfricaThe study examined stressors and coping strategies of 281 Social Sciences students at the Midlands State University in Zimbabwe (49% female, 51% male). A questionnaire was used to collect data. The results showed that the 7 most common stressors were:... -
Stress in Doctors: A Pilot Study of the University Teaching Hospital, Lusaka, Zambia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anitha Menon --- University of Zambia, Betty Munalula --- University of Zambia, Christine Glazebrook --- University of Nottingham,This study had the objective of explored the stressful aspects of a doctor's job at the University Teaching Hospital (UTH) in Lusaka, Zambia. Stress can have a serious effect on the work output of a doctor and on their physical... -
Psychological Distress in Orphan, Vulnerable Children and Non-Vulnerable Children in High Prevalence HIV/AIDS Communities
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bev Killian --- University of KwaZulu-Natal, Kevin Durrheim --- University of KwaZulu-Natal,The degree of psychological distress and access social support is investigated in children (n = 741) living in nine high prevalence HIV/AIDS communities. They comprised (i) vulnerable, maternally-orphaned (n = 319); (ii) vulnerable and not orphaned (n = 276); and... -
The Assessment and Treatment of Post-Abortion Syndrome: A Systematic Case Study From Southern Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melissa Boulind --- Rhodes University, David Edwards --- Rhodes University,This article reports a clinical case study of “Grace”, a black Zimbabwean woman with post-abortion syndrome (PAS), a form of post-traumatic stress disorder precipitated by aborting an unwanted pregnancy. She was treated by a middle class white South African trainee... -
Posttraumatic Stress Disorder Experienced by Survivors of School Violence in South Africa: Sex and Age Differences
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Byron A. Brown --- University of Fort Hare,The study investigated sex and age differences in the experiences of posttraumatic stress disorder by survivors of school violence in urban and rural schools in the Eastern Cape area of South Africa. One hundred and thirty five survivors of school... -
Post Abortion Syndrome is a Clinical Reality: A Critical and Methodological Reflection on the Politics, Biology and Phenomenology of Unwanted Pregnancy and Abortion
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David Edwards --- Rhodes University, South AfricaMacleod (2009) criticizes Boulind and Edwards (2008) for using the concept of post-abortion syndrome (PAS) in their conceptualization of the case of Grace. This article responds to this by arguing the following points: 1) the appropriation of PAS into anti-abortion... -
Psychological Well-Being and Health Related Quality of Life among a Group of Low-Income Women Living with HIV/AIDS in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Krishna Mannadiar Nair --- Chatsworth Regional Hospice, South Africa Nithi Muthukrishna --- University of KwaZulu-Natal, South AfricaThis study documented the relationships among biomedical factors, psychosocial factors, health related quality of life (HRQOL) and suicidality in respect of HIV positive women in KwaZulu-Natal. One hundred and thirty three (133) women over the age of 18 years (mean... -
Life Satisfaction and Perceived Stress Among University Students in Barbados
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mary Alleyne --- University of the West Indies, Barbados Philmore Alleyne --- University of the West Indies, Barbados Dion Greenidge --- University of the West Indies, BarbadosThe study assessed life satisfaction and perceived stress among undergraduate university students in Barbados. Data were collected from 172 students using a self-report questionnaire. The analysis regressed life satisfaction and perceived stress measures on student demographics. Findings indicate that students... -
Constructions of Masculinity, Mental Toughness and the Inexpressibility of Distress among a Selected Group of South African Veterans of the ‘Bush War’ in Namibia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Diana Gibson --- University of the Western Cape,The study examined the manner in which conscripted combat veterans make meaning of their violent experiences during the apartheid-era ‘Bush War’ in the border area between Namibia and Angola. A total of 43 ex-combatants participated in the study (23 Afrikaans-speaking;... -
Lay Counsellors' Experiences of Delivering HIV Counselling Services in Public Health Facilities in a Eastern Cape Province District of South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, South Africa Adlai Davids --- Human Sciences Research Council, South AfricaThe study examined experiences of lay counsellors who provide HIV counselling services to identify potential HIV counselling needs. Qualitative and quantitative interview data were collected from 74 lay counsellors from a sample of Eastern Cape Province district's health facilities (n=74)... -
Coping Self-Efficacy as Mediator in the Dynamics of Psychological Well-Being in Various Contexts
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marié P. Wissing --- North-West University (Potchefstroom Campus), South Africa Itumeleng P. Khumalo --- North-West University (Potchefstroom Campus), South Africa Tertia M. Oosthuizen --- North-West University (Potchefstroom Campus), South Africa Alida Nienaber --- North-West University (Potchefstroom Campus), South Africa Annamarie Kruger --- North-West University (Potchefstroom Campus), South Africa Johan C. Potgieter --- North-West University (Potchefstroom Campus), South Africa Q. Michael Temane --- North-West University (Potchefstroom Campus), South AfricaThe aim of this study was to explore whether coping self-efficacy mediates between various distress related variables on the one hand (symptoms of stress and depression), and the degree of psycho-social well-being as measured on the upper end of the... -
Value Orientations, Acculturative Stress and Mental Health Among African German Immigrants
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Erhabor S. Idemudia --- North West University, South AfricaThis study describes the relationship between value orientations, acculturative stress, and wellbeing of African migrants in Germany. Concepts from culture learning theory are applied in the context of intercultural interaction. Data were collected from 85 African migrants (males=73.4, females=26.5%; age... -
Resilience in Families Adapting to Autism Spectrum Disorder
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leché Kapp --- Nelson Mandela Metropolitan University, Ottilia Brown --- Nelson Mandela Metropolitan University,This study explored adjustment and adaptation in families living with Autism Spectrum Disorder (ASD). Data on family resilience were collected from 19 biological mothers of children with ADS. The data were analysed qualitatively and quantitatively to yield information on factors... -
College Adaption Experiences of Married Female Undergraduate Students: An Exploratory Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Pilot Mudhovozi --- University of Venda, South AfricaIn this article, I explore the lifespan roles among female undergraduate students. The study was conducted at an institution of higher education in Southern Africa. Six participants were purposively selected for the study. Semi-structured interviews were conducted with each participant... -
The Experience of Psychosocial Stressors Amongst Adolescent Learners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ancel George --- University of the Free State, South Africa Henriëtte van den Berg --- University of the Free State, South AfricaThis study sought to identify and describe the psychosocial factors that adolescents experience as stressful. Data were collected from 556 respondents (Grade 10 to 12; 250 males and 306 females; mean age = 17.3 yrs; SD = 1.66) who completed... -
Childhood Exposure to Community and Domestic Violence: Prevalence, Risk Factors and Posttraumatic Outcomes in a South African Student Sample
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Steven J. Collings --- University of KwaZulu-Natal, South AfricaThe effects of exposure to direct and vicarious community and domestic violence on the posttraumatic adjustment of 323 South African students were examined. Data were collected using self-administered questionnaires, with the relationship between exposure to violence and posttraumatic outcomes being... -
Treatment of Posttraumatic Stress Disorder Following an Armed Robbery: A Case Study Testing the Transportability of Trauma-Focused Cognitive-Behavioural Therapy to Urban Africans
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bradley Drake --- Rhodes University, David Edwards --- Rhodes University,John, an urban African male who developed posttraumatic stress disorder (PTSD) following an armed robbery at the petrol station where he worked, was treated with 12 sessions of Trauma-focused cognitive behaviour therapy. Intervention involved a combination of psychoeducation, prolonged imaginal... -
Prevalence and Correlates of Posttraumatic Stress in HIV Lay Counsellors in Nkangala District, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, South AfricaThis study evaluated the prevalence and correlates of posttraumatic stress in a sample of HIV lay counsellors in South Africa. A cross-sectional survey was conducted with 117 HIV lay counsellors in 71 health facilities in one health district (Nkangala) in... -
Responsive Integrative Treatment of Clients with PTSD and Trauma-Related Disorders: An Expanded Evidence-Based Model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David Edwards --- Rhodes University,In this article a practitioner oriented review of the literature on the treatment of post-traumatic stress disorder is used to construct a phase-based model that can serve as a basis for case formulation and treatment planning. Treatments shown to be... -
“It's Like Uprooting Trees”: Responsive Treatment for a Case of Complex Post-Traumatic Stress Disorder Following Multiple Rapes
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Francois van der Linde --- Rhodes University, David Edwards --- Rhodes University,This systematic case study documents 27 sessions of assessment and treatment with cognitive therapy of Bongi (23) who presented with major depression, posttraumatic stress disorder and borderline traits. Bongi had been raised in a punitive environment, had been raped three... -
Perceived Stress by Senior Secondary School Educators in a South African School District
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Reynold Abraham Sonn --- Walter Sisulu University,This study investigated perceptions of work-related stress as experienced by school personnel in a South African school district. Participants were senior secondary high school educators from five schools (n= 20, mean age = 38.6, females = 12, males = 8... -
Qualities of Work-Related Well-Being in Selected South African Occupations
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lené Ilyna Jorgensen --- North-West University, South Africa Jan Alewyn Nel --- North-West University, South Africa David Johannes Roux --- North-West University, South AfricaThis study investigated the structure of work-related well-being in four occupational groups in South Africa. The participants were 4 006 employees, namely educators and administrative personnel (n = 2501), insurance industry personnel (n = 613), and correctional services personnel (n... -
Perceived Stress of Dental Students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shuba B. Bhat --- University of Limpopo, Wilna J. Basson --- University of Limpopo,This study aimed to investigate the perceived stress of dental students at a South African medical facility. Data on stress levels in a dental school environment were collected from eighty eight students in their clinical years of study, using the... -
Barriers to accessing PMTCT services in a rural area of South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Donald Skinner Sakhumzi Mfecane Tebogo Gumede Nomvo Henda Adlai DavidsDespite good intentions and commitment from providers, prevention-of-mother-to-child-transmission of HIV (PMTCT) services can be difficult for pregnant women to access, despite the provision of free health services for women and children. We examined the introduction of PMTCT services in a... -
Psychological distress in the first year after diagnosis of HIV infection among women in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: BenjaminO OlleyCross-sectional studies on psychological responses associated with an HIV diagnosis are replete, but a paucity of research exists to evaluate the changes and stability of these responses, particularly among black African women. One hundred and five HIV-positive black and coloured... -
Occupational stress experienced by caregivers working in the HIV/AIDS field in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: AltaC van DykThe burden of HIV on caregivers is especially heavy in South Africa where an estimated 5.5 million people were living with HIV in 2006, and where an estimated one in every three to four patients admitted to some public hospitals... -
Understanding the experiences of doctors who undertake elective surgery on HIV/AIDS patients in an area of high incidence in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jacqueline Gwala-Ngozo --- Department of Public Health Medicine, Nelson R. Mandela School of Medicine, South Africa Myra Taylor --- Department of Public Health Medicine, Nelson R. Mandela School of Medicine, South Africa Colleen Aldous --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Nelson R. Mandela School of Medicine, South AfricaThis study investigates the experiences of doctors who perform elective surgical procedures in an area of South Africa with a high incidence of HIV and AIDS. A qualitative study approach was adopted. Interviews were individually conducted with 15 doctors. The... -
Support groups for HIV-positive people in South Africa: Who joins, who does not, and why?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Wenche Dageid --- Department of Psychology, NorwayPsychosocial health care for persons living with HIV/AIDS (PLWHA) is inadequate. Support groups for PLWHA could offer arenas where psychosocial issues are addressed, yet more knowledge is needed about those who join and those who do not join such groups... -
The sublethal effects of zinc at different water temperatures on selected haematological variables in Oreochromis mossambicus
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PP Buthelezi V Wepener DP CyrusTrace metals such as zinc play an important role in the normal metabolic functioning of all organisms. However, metals can become toxic if background concentrations are exceeded in the environment. This study investigated the sublethal effects of zinc on the... -
Accumulation of hepatic Hsp70 and plasma cortisol in Oreochromis mossambicus following sublethal metal and DDT exposure
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SS Mlambo --- Centre for Aquatic Research, Zoology Department, South Africa JHJ van Vuren --- Centre for Aquatic Research, Zoology Department, South Africa R Basson --- Centre for Aquatic Research, Zoology Department, South Africa B Grant --- Centre for Aquatic Research, Zoology Department, South AfricaHeat shock response in Oreochromis mossambicus livers was measured, using antibodies specific to Hsp70 family members, by an immunoblotting protocol. The hepatic isoforms Hsp70, Hsp74 and Hsp76 were identified and quantified from copper exposures. Long-term DDT exposure did not result... -
Evaluation of methods forestimatingthe metabolic rate according to ISO 8996 in forestry work in Zimbabwe
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors:Forestry activities in Southern Mrica may expose forest workers to uncompensable heat stress risk when the climate conditions are such that the body experiences difficulties to dissipate its excess heat to the environment. A study was made in North Eastern... -
Using chlorophyll fluorescence to determine stress in Eucalyptus grandis seedlings
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Carol A. Rolando --- , Keith M. Little --- ,Since several environmental factors affect the functioning of the photosynthetic system, the status of the photosynthetic apparatus is a good indicator of the plant in terms of stress and stress adaptation. The measurement of chlorophyll fluorescence with a portable fluorimeter... -
Effects of temperature on Pinus patula seedlings growing in pots in a controlled environment
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Colleen A. Carlson --- Horticultural Science Department, South Africa Ross Allan --- Shaw Research Centre, South Africa Andrew R. Morris --- Shaw Research Centre, South AfricaThe re-establishment of Pinus patula seedlings into sites with high harvesting residue (slash) loads can negatively affect the survival of these plants. Field trials have examined the role that insect pests and fungal diseases play in causing this phenomenon. Research... -
Critical water stress levels in Pinus patula seedlings and their relation to measures of seedling morphology
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: CA Rolando --- , New Zealand NW Pammenter --- , South Africa KM Little --- , South AfricaA pot trial was implemented to determine the effect of soil water stress following transplanting on shoot water potential and stomatal conductance of Pinus patula seedlings. The relationship of seedling morphology to measures of water stress was also investigated. The... -
The flexural properties of young Pinus elliottii x Pinus caribaea var. hondurensis timber from the Southern Cape and their prediction from acoustic measurements
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: CB Wessels --- Department of Forest and Wood Science, South Africa GP Dowse --- Department of Forest and Wood Science, South Africa HC Smit --- Department of Forest and Wood Science, South AfricaThe objectives of this study were to determine the bending strength and stiffness properties of young Pinus elliottii x P. caribaea var. hondurensis timber from the Southern Cape, South Africa, and to evaluate the predictability of these properties from acoustic... -
Growth response at age 10 years of five Eucalyptus genotypes planted at three densities on a drought-prone site in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob Crous --- Sappi Forests, South Africa Louisa Burger --- Department of Forest and Wood Science, South Africa Giovanni Sale --- Sappi Forests, South AfricaSouth Africa's climate is characterised by the occurrence of regular droughts. An assessment of drought mortality in KwaZulu-Natal during 1999 could not provide accurate information regarding the effect of species or planting density on mortality because of confounding species-site allocations... -
Higher-risk sexual behaviour among HIV patients receiving antiretroviral treatment in Ibadan, Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: BenjaminO OlleyA stress–coping model was tested to examine the role that negative life events, coping methods, and depression might play in moderating the associations between HIV-related factors (ARV drug regimen, HIV staging and CD4 count) and higher-risk sexual behaviours of people... -
The phenomenology of bodily care: caregivers' experiences with AIDS patients before antiretroviral therapies in Lesotho
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: MokhantšoG MakoaeThis study provides an account of caregivers' experiences with the bodily care of AIDS patients before antiretroviral therapies were available in the public health sector in Lesotho. It describes the mechanisms through which the body may become a stressor in... -
Mouthpart deformities in Chironomidae (Diptera) as indicators of heavy metal pollution in northern Lake Victoria, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: H Ochieng ED de Ruyter van Steveninck FM WandaDue to the absence of appropriate and sensitive tools for monitoring heavy metal pollution in northern Lake Victoria (Uganda), this study investigated mouthpart deformities in chironomid larvae (Diptera) in relation to concentrations of lead, copper, cadmium and zinc in lake... -
Blood lactate levels as a biomarker for angling-induced stress in tigerfish Hydrocynus vittatus from the Okavango Delta, Botswana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NJ Smit --- Centre for Aquatic Research, Department of Zoology, South Africa G Howatson --- Centre for Aquatic Research, Department of Zoology, South Africa R Greenfield --- Centre for Aquatic Research, Department of Zoology, South AfricaAlthough critical in catch-and-release angling, no data are available on angling-induced stress in African gamefish. Blood lactate levels were used as a biomarker for angling-induced metabolic stress in tigerfish caught by angling in the Okavango Delta, Botswana. Blood was drawn... -
Analysis of differences in field performance of vegetatively and seed-propagated Eucalyptus varieties I: survival and leaf gas exchange
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MEO Mokotedi --- School of Biological and Conservation Sciences, Biological Sciences Building, South Ring Road, Westville Campus, South Africa MP Watt --- School of Biological and Conservation Sciences, Biological Sciences Building, South Ring Road, Westville Campus, South Africa NW Pammenter --- School of Biological and Conservation Sciences, Biological Sciences Building, South Ring Road, Westville Campus, South AfricaThe aim of this study was to compare survival rates and leaf gas exchange of micro- and macro-propagated Eucalyptus grandis × E. nitens, and seed-propagated E. grandis and E. nitens, at a site in Hilton, KwaZulu-Natal, South Africa, where the... -
Clonal differences in log end splitting in Eucalyptus grandis in relation to age, parent performance, growth rate and wood density in two even-aged trials in Mpumalanga, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: FS MalanThis paper discusses the juvenile–mature correlation of log end splitting among Eucalyptus grandis clones from two trials and how differences in splitting relate to differences in wood density, pith-to-bark gradient and growth rate. Two approximately 20-year-old Eucalyptus grandis clonal trials... -
Secondary Traumatic Stress, Psychological Wellbeing and Life Satisfaction of Social Workers in Namibia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Perstling --- University of Namibia, Sebastiaan Rothmann --- North-West University, South AfricaThe aim of this study was to investigate the relationships among secondary traumatic stress, psychological wellbeing (purpose in life, environmental mastery and self-acceptance) and life satisfaction of social workers of Namibia. A cross-sectional survey design was used with a sample... -
Submucous dissection of the nasopharynx complicating nasotracheal intubation
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: BO Bolaji --- Departments of Anaesthesia, Nigeria IK Kolawole --- Departments of Anaesthesia, Nigeria AAG Abdulrahman --- Departments of Surgery, NigeriaWe present the case of a 60-year old woman, who had an unusual complication of nasotracheal intubation, which was carried out to relieve post-thyroidectomy respiratory distress at the University of Ilorin Teaching Hospital (UITH). She presented with a huge malignant... -
Coping responses as predictors of psychosocial functioning amongst individuals suffering from chronic pain
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: AC Vorster --- Department of Psychology, South Africa SP Walker --- Unit for Professional Training and Sevices in the Behavioural Sciences, South Africa KGF Esterhuyse --- Department of Psychology, South AfricaBackground: Research on coping with chronic pain has focused on exploring the impact of different coping responses on various aspects of living with chronic pain. The aim of this study is to determine whether certain coping responses can be identified... -
The role of coping responses in the relationship between perceived stress and satisfaction with life amongst chronic pain patients
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: SP Walker --- Unit for Professional Training and Service in the Behavioural Sciences, South Africa KGF Esterhuyse --- Department of Psychology, South Africa L Van Lill --- Department of Psychology, South AfricaBackground: This study aimed to determine the effect of coping responses on the relationship between perceived stress and satisfaction with life in a sample of chronic pain patients. -
Die Effek Van Biografiese Veranderlikes Op Die Vlakke En Oorsake Van Stres By 'N Groep Finalejaar- Mediese Studente
Item type: Journal Article • Journal: South African Family Practice • Authors: ES Van Zyl --- Department of Industrial Psychology, -
Approaching burnout
Item type: Journal Article • Journal: South African Family Practice • Authors: ID Couper --- Department of Family Medicine,Burnout is a danger faced by many health professionals. As doctors, we often do not realise our vulnerability to stress and our woundedness as healers. This article arose from the author's personal experience. It outlines some of the reasons that... -
Burnout—a personal journey
Item type: Journal Article • Journal: South African Family Practice • Authors: B Gaede --- Emmaus Hospital,In this personal reflection on burnout, the context of work and its related stress is explored, particularly in a rural public health care setting. However, beyond the work-related challenges, the wider experience of stress in a person's life and developmental... -
Die voorkoms en profiel van pasiënte wat by 'n plattelandse praktyk presenteer met psigosomatiese klagtes
Item type: Journal Article • Journal: South African Family Practice • Authors: ADB Bruwer --- Departement Huisartskunde, G Joubert --- Departement Biostatistiek, JP Pretorius --- Departement Psigiatrie, MVJ Van Vuuren --- Departement Huisartskunde,The prevalence and profile of patients presenting with psychosomatic complaints at a rural practice -
Surgical management of stress incontinence in women: The role of the family practitioner Part 1: Pre-operative issues
Item type: Journal Article • Journal: South African Family Practice • Authors: G Rienhardt --- Urogynaecology Unit, P De Jong --- Female Continence Clinic, University of Cape Town and Groote Schuur Hospital, and Christiaan Barnard Memorial Hospital,The surgical management of stress incontinence in women should encompass a combined approach by the family practitioner and the specialist. This review, in two parts, discusses the place of the family practitioner in this process. The continence mechanism, pre-operative counselling,... -
Surgical management of stress incontinence in women: The role of the family practitioner
Item type: Journal Article • Journal: South African Family Practice • Authors: G Rienhardt --- Urogynaecology Unit, P De Jong --- Female Continence Clinic,The surgical management of stress incontinence in women should encompass a combined approach by the family practitioner and the specialist. This review, in two parts, discusses the place of the family practitioner in this process. The continence mechanism, pre-operative counselling,... -
Personality profile and coping resources of family medicine vocational trainees at the University of Limpopo, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: D Pretorius --- Department of Family Medicine and PHC, WJ Basson --- Department of Psychology, GA Ogunbanjo --- Department of Family Medicine and PHC,Background: Doctors are exposed to various stress factors in their personal and family lives, as well as in the workplace. Stress inherent to the responsibilities and challenges of the medical field may become a health hazard and threaten the well-being... -
Bouncing forward: families living with a type I diabetic child
Item type: Journal Article • Journal: South African Family Practice • Authors: O Brown --- Department of Psychology, Faculty of Health Sciences, South Africa P Fouché --- Department of Psychology, Faculty of the Humanities, South Africa M Coetzee --- Uitenhage Provincial Hospital, South AfricaBackground: Despite the multitude of challenges that families living with a child with diabetes face, they have been found to adapt to such an extent that diabetes is viewed as a manageable condition. This study was concerned with the factors... -
Validating that palliative care giving is a stressful occupation: the case of the Kanye community home-based care programme, Botswana
Item type: Journal Article • Journal: South African Family Practice • Authors: SM Kang'ethe --- Bachelor of Business Administration Programme, Department of Distance Education, Centre for Continuous Education, BotswanaBackground: It remains an incontrovertible fact that the phenomenon of HIV/AIDS has not only posed major health and development challenges, but is also a stressor experienced at local, regional and global levels. This article explores the stress-related challenges facing volunteer... -
Dealing with post-traumatic stress disorder in general practice
Item type: Journal Article • Journal: South African Family Practice • Authors: S Suliman --- MRC Anxiety Disorders Unit, Department of Psychiatry, DJ Stein --- Department of Psychiatry and Mental Health,Traumatic experiences are prevalent in South Africa and may result in psychiatric disorders such as post-traumatic stress disorder (PTSD). PTSD is accompanied by a range of psychobiological alterations, including changes in brain structure and functioning. General practitioners have an important... -
The prevalence of burnout and depression in medical doctors working in the Cape Town Metropolitan Municipality community healthcare clinics and district hospitals of the Provincial Government of the Western Cape: a cross-sectional study
Item type: Journal Article • Journal: South African Family Practice • Authors: L Rossouw --- Family Physician, Division Family Medicine and Primary Care, S Seedat --- Department of Psychiatry, RA Emsley --- Department of Psychiatry, S Suliman --- Division Family Medicine and Primary Care, D Hagemeister --- Division Family Medicine and Primary Care,Aim: This study investigated burnout and depression in medical doctors in the context of work-related conditions and the role of resilience as a modifiable factor. -
Occupational stress and mental well-being in a cohort of Black South African teachers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nelmarie Boshoff --- Faculty of Health Sciences, School for Psychosocial Behavioural Sciences, South Africa Johan C. Potgieter --- Faculty of Health Sciences, School for Psychosocial Behavioural Sciences, South Africa Esme van Rensburg --- Faculty of Health Sciences, School for Psychosocial Behavioural Sciences, South Africa Suria Ellis --- Faculty of Health Sciences, School for Psychosocial Behavioural Sciences, South AfricaThis study explored levels of occupational stress and mental well-being of a cohort of Black South African teachers. 200 secondary school teachers completed the Teacher Stress Inventory (TSI: Boyle, Borg, Falzon, & Baglion, 1995), General Health Questionnaire (GHQ-28: Goldberg &... -
Work stress, work–home interference and perceptions of organisational culture amongst insurance employees in Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rudolf M. Oosthuizen --- Department of Industrial and Organisational Psychology, Delene Visser --- Department of Industrial and Organisational Psychology, Peggy T.V. Mudzimu --- Department of Industrial and Organisational Psychology,The objective of the study was to determine the relationship between work stress, work-home interference, and perceptions of organisational culture amongst insurance employees in the Zimbabwean context. Data were collected from a sample of 190 employees (females=46%) who completed the... -
Larval development reflects biogeography in two formerly synonymised southern African coastal crabs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Papadopoulos --- Molecular Zoology Laboratory (Aquatic Division), Department of Zoology, South Africa PR Teske --- Molecular Zoology Laboratory (Aquatic Division), Department of Zoology, South AfricaThe southern African crab Hymenosoma orbiculare was recently split into five distinct species, of which three are estuarine/coastal and have peripatric distributions that are linked to temperature-defined marine bioregions. This suggests that the species’ ranges may be limited by physiological... -
Occupational stress of professional nurses in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacoba Johanna van der Colff --- College of Nursing, Oman Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThe objective of this study was to identify occupational stressors for professional nurses in South Africa. A cross-sectional survey design was used. A stratified random sample of professional nurses (n=818; females = 97%) in hospitals in South Africa was used. The Nursing... -
The knowledge and beliefs of hypertensive patients attending Katleho District Hospital in Free State province, South Africa, about their illness
Item type: Journal Article • Journal: South African Family Practice • Authors: Justin Mpinda --- Katleho District Hospital, South Africa John Tumbo --- Department of Family Medicine and Primary Health Care, South Africa Indiran Govender --- Department of Family Medicine and Primary Health Care, South Africa Benjamin Mills --- Department of Family Medicine and Primary Health Care, South AfricaIntroduction: Hypertension is a common chronic condition. A sound understanding of people’s beliefs is required in this regard. Usually, poor compliance and decisions by patients to stop taking conventional treatment and to use complementary remedies and traditional remedies arise from... -
Multiple health risk behaviours and posttraumatic stress disorder symptoms among university students from 22 countries
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- ASEAN Institute for Health Development, Mahidol University, Thailand Supa Pengpida --- ASEAN Institute for Health Development, Mahidol University, ThailandThe goal of the study was to investigate multiple health risk behaviours in relation to PTSD symptoms in a sample of university students from 22 countries. Using anonymous questionnaires, data were collected from 16804 undergraduate university students (mean age 20.8,... -
Differential effects of thermal and chemical stressors on tissue balls from scleractinian corals
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Mattan-Moorgawa --- Department of Biosciences, Faculty of Science, Mauritius G Poonet --- Department of Biosciences, Faculty of Science, Mauritius R Bhagooli --- Department of Biosciences, Faculty of Science, Mauritius S Rughooputh --- Department of Physics, Faculty of Science, MauritiusCoral cell aggregates (tissue balls) from four species (Acropora muricata, Fungia repanda, Pavona cactus and Pocillopora damicornis) were used as an indicator to investigate the effects on the corals of thermal stress and of chemical extracts from three sponges (Adocia... -
An evaluation of stress in medical students at a South African university
Item type: Journal Article • Journal: South African Family Practice • Authors: SS Naidoo --- Faculty of Health Sciences, South Africa J Van Wyk --- College of Health Sciences, South Africa SB Higgins-Opitz --- College of Health Sciences, South Africa K Moodley --- College of Health Sciences, South AfricaBackground: Medical educational programmes strive to produce competent and skilled graduates. However, studies have shown that undergraduate medical students experience varying degrees of stress which impacts on their health, academic performance and social functioning. This study explored the prevalence and... -
Fortigenic qualities of psychotherapists in practice
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Erica F De Lange --- Africa Unit for Transdisciplinary Health Research, South Africa Shingairai Chigeza --- Africa Unit for Transdisciplinary Health Research, South AfricaThis brief report presents preliminary findings on the exploration of strengths (fortigenic) qualities of psychotherapists which can buffer them against compassion fatigue. Participants were seven South African psychologists in private practice. Data were collected using qualitative interviews and thematically analysed... -
Physiological stress levels in the endemic and endangered Udzungwa red colobus vary with elevation
Item type: Journal Article • Journal: African Zoology • Authors: Claudia Barelli --- Sezione di Biodiversità Tropicale, MUSE – Museo delle Scienze, Italy Francesco Rovero --- Sezione di Biodiversità Tropicale, MUSE – Museo delle Scienze, Italy Keith Hodges --- Reproductive Biology Unit, German Primate Center, Germany Alessandro Araldi --- Reproductive Biology Unit, German Primate Center, Germany Michael Heistermann --- Endocrinology Laboratory, German Primate Centre, GermanyHabitat loss and fragmentation inevitably cause biodiversity decline, a major concern for the conservation of endangered species. Primates are of particular interest, because they are highly vulnerable to forest fragmentation. In this study, we investigated faecal glucocorticoid measurements (FGCM), an... -
Predictors of quality of life enjoyment and satisfaction in individuals living with HIV and AIDS in a resource-constrained setting in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kim Jonas --- Population Health, Health Systems and Innovation, Human Sciences Research Council, South Africa Pamela Naidoo --- Population Health, Health Systems and Innovation, Human Sciences Research Council, South Africa Nicolette Vanessa Roman --- Faculty of Community and Health Sciences, South Africa Luis Angel Saúl Gutiérrez --- Facultad de Psicología, UNED, Guillem Feixas --- University of Barcelona, SpainThe burden of HIV disease is concentrated in sub-Saharan Africa, particularly in South Africa (SA). Whilst there have been many studies conducted on the biomedical and socio-psychological aspects of HIV and AIDS, insufficient attention has been paid to the quality... -
A Note: The SAICA Part I Qualifying Examinations: Factors that may influence candidates’ success
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E van Wyk --- Department of Accountancy,The study investigates certain factors characterising successful and unsuccessful candidates in the 2009 and 2010 SAICA Part I Qualifying Examination (QE I) with the purpose of making recommendations to candidates, educators, training centres and to SAICA. The study also aims... -
A comment on “Portfolio rebalancing in South Africa”
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: David Bradfield --- Department of Statistical Sciences, South Africa Graham Barr --- Department of Economics and Department of Statistical Sciences, South AfricaIn this comment we add to the discussion on rebalancing portfolios by Sher and Barr (2011). In particular we highlight how a recent rebalancing proposal by Chan and Ramkumar (2011) is found to significantly improve rebalancing performance. An important feature... -
Flexibility as risk factor for stress-fracture development in South African male soldiers
Item type: Journal Article • Journal: South African Family Practice • Authors: PS Wood --- Department of Physiology, Division Biokinetics and Sport Science, South Africa PE Krüger --- Department of Physiology, Division Biokinetics and Sport Science, South AfricaBackground: Stress fractures are a common military training injury. Flexibility of muscles and joints may directly influence stress-fracture risk by way of altering the forces applied to bone. Hip external rotation and ankle plantar- and dorsiflexion have been inconsistently reported... -
Concurrent pregnancy and lactation in wild giraffes (Giraffa camelopardalis)
Item type: Journal Article • Journal: African Zoology • Authors: Francois Deacon --- Faculty of Natural and Agricultural Sciences, Department of Animal, Wildlife, and Grassland Sciences, South Africa Pierre J Nel --- Free State Department of Economic Development, Tourism, and Environmental Affairs, South Africa Fred B Bercovitch --- Primate Research Institute and Wildlife Research Center, JapanLactation boosts reproductive costs by depleting maternal condition and delaying subsequent conception. However, some evidence suggests that giraffes (Giraffa camelopardalis) have evolved a mechanism to minimise the time allocated to suckling-induced suppression of ovulation. Here, we show for the first... -
The use of clove oil to induce anaesthesia, and its effects on blood chemistry, in Lates niloticus from Lake Victoria, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Kahwa --- Department of Wildlife and Aquatic Resources, College of Veterinary Medicine, Animal Resources and Biosecurity, Uganda J Rutaisire --- Aquaculture Research and Development Centre, Uganda H Kaiser --- Department of Ichthyology and Fisheries Science, South AfricaThe efficacy of clove oil as an anaesthetic and its effects on blood parameters in Nile perch Lates niloticus were evaluated in 2010. Clove oil concentrations of 49.3, 73.9 and 98.5 mg l−1 induced anaesthesia in <3 min, while the average recovery... -
Job stress and attitudes toward change: The mediating effect of psychological attachment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- Department of Industrial and Organisational Psychology, South Africa Pamela J.J. Chetty --- Department of Industrial and Organisational Psychology, South AfricaThe present study explores the indirect effect of job stress on attitudes toward change through individuals’ psychological attachment (organisational commitment mindsets and job embeddedness). The sample comprised N = 350 employees (black African: 67%; males: 69%; 26–40 years: 67%) who... -
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... -
Physiological response of one of South Africa’s premier freshwater sport angling species, the Orange-Vaal smallmouth yellowfish Labeobarbus aeneus, to catch-and-release angling
Item type: Journal Article • Journal: African Zoology • Authors: Nico J Smit --- Water Research Group (Ecology), Unit for Environmental Sciences and Management, Potchefstroom Campus, South Africa Ruan Gerber --- Department of Zoology, Kingsway Campus, South Africa Richard Greenfield --- Department of Zoology, Kingsway Campus, South Africa Glyn Howatson --- Water Research Group (Ecology), Unit for Environmental Sciences and Management, Potchefstroom Campus, South AfricaThe practice of catch-and-release fishing has been widely promoted by angling fraternities as a fisheries manage- ment tool. The aim of this investigation was to determine the physiological response of Orange-Vaal smallmouth yellowfish, Labeobarbus aeneus, to catch-and-release angling in the... -
Vicarious trauma: The psychological impact of working with survivors of trauma for South African psychologists
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xin-Cheng Sui --- Department of Psychology, South Africa Anita Padmanabhanunni --- Department of Psychology, South AfricaTraumatic events are highly prevalent in South African society and psychologists who work with survivors of trauma have been identified as particularly at risk of being adversely affected by their work, and experiencing vicarious trauma. This study aimed to explore... -
Diabetes distress and related factors in South African adults with type 2 diabetes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Samantha Ramkisson --- Department of Behavioural Medicine, South Africa Basil Joseph Pillay --- Department of Behavioural Medicine, South Africa Benn Sartorius --- Department of Public Health Medicine, South AfricaBackground: In South Africa, the prevalence rate of diabetes is 9.27%, with an estimated 2.6 million people living with the disease. Diabetes-related distress has been described as encompassing the patient’s concerns about the self-management of diabetes, perception of support, emotional... -
Sorghum production systems and constraints, and coping strategies under drought-prone agro-ecologies of Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Beyene A Amelework --- African Centre for Crop Improvement, South Africa Hussein A Shimelis --- African Centre for Crop Improvement, South Africa Pangirayi Tongoona --- West African Centre for Crop Improvement, College of Basic and Applied Sciences, Ghana Fentahun Mengistu --- Ethiopian Institute of Agricultural Research, Ethiopia Mark D Laing --- African Centre for Crop Improvement, South Africa Dawit Getnet Ayele --- School of Mathematics, Statistics and Computer Science, South AfricaSorghum is one of the most important cereal crops worldwide after wheat, rice, maize and barley. Examining the present socio-economic conditions of sorghum-producing farmers in different agro-ecologies in Ethiopia is of importance for the design of improvement strategies. The objectives... -
The role of proline and root traits on selection for drought-stress tolerance in soybeans: a review
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Obed J Mwenye --- Department of Plant Sciences, South Africa Leon van Rensburg --- Department of Soil, Crop and Climate Sciences, South Africa Angeline van Biljon --- Department of Plant Sciences, South Africa Rouxléne van der Merwe --- Department of Plant Sciences, South AfricaDrought stress is a major limiting factor in soybean production. It reduces both the yield and its components. This is dependent on the level and occurrence of drought stress with respect to the growth stages of the plants. Breeding for... -
The relationship between HIV and AIDS and water scarcity in Nyamakate resettlements land, north-central Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alexio Mbereko --- University of KwaZulu-Natal, South Africa Dianne Scott --- University of KwaZulu-Natal, South Africa Moses John Chimbari --- University of KwaZulu-Natal, South AfricaHIV and AIDS and water variability have been studied separately, yet, they impact on rural households simultaneously in an interactive manner. The study provide narratives on various realities from a study in the Nyamakate community that illustrates the dialectical relationship... -
Cultural conceptions of a bereavement-related illness in a South African indigenous community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mpsanyana W. Makgahlela --- Department of Psychology, South Africa Tholene Sodi --- Department of Psychology, South AfricaThis study explored cultural conceptions of a bereavement-related illness among elderly (aged 34–85yrs) Northern Sotho-speaking people in Limpopo province. The participants (n = 14, females = 50%, mean age = 59 years, SD: 13.7 years) were purposively selected and interviewed... -
Stress and coping among student teachers at a South African university: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lucy J. Draper-Clarke --- School of Education, South Africa David J. A. Edwards --- Department of Psychology, South AfricaThis article reports findings from an exploratory qualitative study on the lived experience of stress among a convenience sample of 14 South African university student teachers (female = 8, black = 7; age range = 22 to 31). The students... -
Stress steroid levels and the short-term impact of routine dehorning in female southern white rhinoceroses (Ceratotherium simum simum)
Item type: Journal Article • Journal: African Zoology • Authors: Marcha Badenhorst --- Endocrine Research Laboratory, Department of Anatomy and Physiology, South Africa Michelle Otto --- Buffalo Dream Ranch Wildlife Veterinary Services, South Africa Annemieke C van der Goot --- Lapalala Wilderness, South Africa André Ganswindt --- Endocrine Research Laboratory, Department of Anatomy and Physiology, South AfricaRhinoceros populations in Africa are under severe threat as a result of surging poaching rates and risk-mitigation strategies are continuously adapted in an attempt to ensure the survival of the species. This study compared faecal glucocorticoid metabolite (fGCM) levels of... -
Meaning as a coping resource: Experiences of nursing students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Henry D. Mason --- Directorate of Higher Education Development and Support, South AfricaThis exploratory study examined conceptions of meaning as a coping resource among nursing students. A qualitative approach was used to explore the lived experiences of 13 nursing students (female = 85%; age range = 18–22 years). Four conceptions of meaning... -
Emergence response of sunflower (Helianthus annuus) cultivars to supra-optimal soil temperatures
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Lize Henning --- Department of Soil, Crop and Climate Sciences, South Africa Gert Ceronio --- Department of Soil, Crop and Climate Sciences, South Africa André A Nel --- Agricultural Research Council–Grain Crops Institute, South AfricaSeedling emergence is a sensitive stage during sunflower (Helianthus annuus L.) establishment. Abiotic stresses, such as high soil temperatures (above 40 °C), can cause delayed emergence resulting in uneven stand and ultimately poor yields. Therefore, the emergence and early growth... -
Decreased total antioxidant levels and increased oxidative stress in South African type 2 diabetes mellitus patients
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: FA Ganjifrockwala --- Department of Human Biology, South Africa JT Joseph --- Department of Human Biology, South Africa G George --- Department of Human Biology, South AfricaBackground: Chronic hyperglycaemia in diabetes mellitus leads to increased lipid peroxidation in the body, followed by the development of chronic complications due to oxidative stress. Objective: The aim of this study was to compare total antioxidant (TAO) levels and oxidative... -
Selection of drought-tolerant tef (Eragrostis tef) genotypes using drought tolerance indices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Mizan Tesfay Abraha --- African Centre for Crop Improvement, South Africa Hussein A Shimelis --- African Centre for Crop Improvement, South Africa Mark D Laing --- African Centre for Crop Improvement, South Africa Kebebew Assefa --- Debre-Zeit Agricultural Research Centre, EthiopiaDrought stress is one of the major abiotic constraints affecting production and productivity of tef (Eragrostis tef). Genetic resources and selection methodologies are among the prerequisites to improve the efficiency of breeding for drought tolerance. The objectives of this study... -
Coping self-efficacy and psychosocial well-being of marginalised South African youth
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Seleme R. Melato --- Optentia Research Focus Area, South Africa Chrizanne van Eeden --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South Africa Elizabeth Bothma --- Optentia Research Focus Area, South AfricaThe aim of this study was to investigate coping self-efficacy and aspects of psychosocial well-being amongst youth from marginalised backgrounds. A total of 794 black South African marginalised youth (males = 54%, females = 46%, age range between 18 and... -
Use of hydrogels in the planting of industrial wood plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob W Crous --- Sappi Forests, South AfricaThe quantity of available water in soil is crucial for plant growth, especially after transplanting as this water will enable the growth of new roots to facilitate nutrient and water uptake. Water absorbed by a hydrogel (superabsorbent polymer) has the... -
Manualised health support interventions: Their efficacy in a South African primary healthcare setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nomvula Twaise --- Psychology Department, South Africa Thokozile Mayekiso --- Office of the Vice-Chancellor, South Africa Diane Elkonin --- Psychology Department, South Africa Calvin Gwandure --- Psychology Department, South AfricaThe study examined the implementation efficacy of a stress-reduction intervention for people living with HIV/AIDS by health care workers in the Eastern Cape Province, South Africa. Informants were 20 health care workers drawn from two health facilities. There were 17... -
The potential of omics technologies as tools to understand the environmental factors influencing okra (Abelmoschus esculentus) growth and adaptation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Matsobane T Mathiba --- Department of Agriculture and Animal Health, South Africa Gangireddygari VS Reddy --- Department of Agriculture and Animal Health, South Africa Khayalethu Ntushelo --- Department of Agriculture and Animal Health, South Africa Sheku A Kanu --- Department of Agriculture and Animal Health, South AfricaLeading crops such as cotton, maize, rice and wheat were the first to be studied using omics technologies (genomics, transcriptomics, proteomics and metabolomics). Those crops that are considered less significant, such as okra (Abelmoschus esculentus (L.) Moench), are yet to... -
Fungi and insects associated with Euphorbia ingens die-off in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Johannes A van der Linde --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences (NAS), South Africa Diana L Six --- College of Forestry and Conservation, Department of Ecosystem and Conservation Sciences, USA Michael J Wingfield --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences (NAS), South Africa Jolanda Roux --- Department of Plant and Soil Sciences, FABI, NAS, South AfricaEuphorbia ingens, landmark succulent trees in savannas of South Africa, have been dying in large numbers over the last 10–15 years. Initial studies conducted in the Limpopo province of South Africa revealed a diverse group of biotic agents including fungi,... -
A liabilities approach to the likelihood of liquidation in business rescue
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Wesley Rosslyn-Smith --- Department of Business Management, South Africa Marius Pretorius --- Department of Business Management, South AfricaWhile reorganisation procedures aim to salvage financially distressed firms, they are often abused, as uneconomic, failing firms commence with proceedings that erode value rather than preserve it. The commencement standard for business rescue is aimed at preventing such abuse, though... -
Psychological functioning and well-being among Ghanaian women: A brief report
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ethel Akpene Atefoe --- Department of Psychological Medicine and Mental Health, School of Medicine, Ghana Nuworza Kugbey --- Department of Family and Community Health, School of Public Health, GhanaThis study examined correlates of psychological well-being and distress among women in Accra, Ghana. A total of 200 women between 18 and 65 years completed measures of psychological well-being and distress. Independent t-test and One-way ANOVA F-test analysis of the... -
Influences of the arbuscular mycorrhizal fungus Glomus mosseae on morphophysiological traits and biochemical compounds of common bean (Phaseolus vulgaris) under drought stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ali Ganjeali --- Department of Biology, Faculty of Sciences, Iran Elham Ashiani --- Department of Biology, Faculty of Sciences, Iran Maryam Zare --- Department of Biology, Faculty of Sciences, Iran Elahe Tabasi --- Department of Biology, Faculty of Sciences, IranThe symbiosis of arbuscular mycorrhizae (AM) with plant roots can enhance plant responses, especially to drought stress. An experiment was conducted in a growth chamber to examine the impacts of arbuscular mycorrhizae on improving the drought tolerance of common bean... -
Sawn-timber and kraft pulp properties of Pinus elliottii × Pinus caribaea var. hondurensis and Pinus patula × Pinus tecunumanii hybrids and their parental species
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: André Nel --- Shaw Research Centre, Sappi Forests Research, South Africa Francois S Malan --- Retired, South Africa Ron Braunstein --- Sappi Technology Centre, South Africa C Brand Wessels --- Department of Forest and Wood Science, South Africa Arnulf Kanzler --- Shaw Research Centre, Sappi Forests Research, South AfricaA study was undertaken to evaluate the quality of the timber produced by Pinus elliottii × Pinus caribaea var. hondurensis (PECH) and the Pinus patula × Pinus tecunumanii low elevation (PPTL) and high elevation (PPTH) hybrids and their parent species... -
Parents of children with Down Syndrome: Do resilience and social support matter to their experience of carer stress?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Maria Chidi C. Onyedibe --- Department of Psychology, Nigeria Leonard I. Ugwu --- Department of Psychology, Nigeria Philip, C. Mefoh --- Department of Psychology, Nigeria Christiana Onuiri --- Department of Psychology, NigeriaThe study investigated personal resilience influences on the relationship between social support and parenting-stress among parents of children with Down syndrome (DS) in a Nigerian sample. One hundred and ninety three parent-carers of children with DS participated in the study... -
DNA fragmentation damage as a predictive marker for diabetic nephropathy in Type II diabetes mellitus
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Nourhan Soliman --- Clinical Pathology Department, Egypt Mohamed El-Shabrawi --- Clinical Pathology Department, Egypt Seham Omar --- Internal Medicine Department, EgyptBackground: Increased production of free radicals and oxidative stress in type II diabetic patients could be one of the probable causes for development of complications. The authors hypothesise that such a mechanism also contributes to the development of diabetic nephropathy... -
Post-traumatic stress disorder and health risk behaviour among persons 15 years and older in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- HIV/AIDS/STIs and TB (HAST), Human Sciences Research Council, South Africa Supa Pengpid --- Department of Research Innovation and Development, South AfricaThe aim of this study was to investigate the association between post-traumatic stress disorder (PTSD) and health risk behaviours among persons 15 years and older in South Africa. We analysed data from the South African National Health and Nutrition Examination... -
Attribution style and post-traumatic stress severity in the Central Region of Kenya: Influences of dwelling location
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jane W. Ndungu --- Department of Psychology, South Africa David M. Ndetei --- Africa Mental Health Foundation, Kenya Johan Cronje --- Department of Psychology, South Africa Kempie van Rooyen --- Department of Psychology, South AfricaThis study investigated the influence of attribution styles as predictors of post-traumatic stress severity (PTSS) by dwelling in Kenya. A non-clinical convenience sample of 354 rural (n = 178) and urban (n = 176) Kenyans from the Central Region of... -
Factors influencing the production of structural plywood in Tasmania, Australia from Eucalyptus nitens rotary peeled veneer
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: David Blackburn --- Centre for Sustainable Architecture with Wood, School of Architecture and Design, Australia Mario Vega --- Centre for Sustainable Architecture with Wood, School of Architecture and Design, Australia Robert Yong --- Ta Ann Tasmania Pty Ltd, Australia Donovan Britton --- Ta Ann Tasmania Pty Ltd, Australia Gregory Nolan --- Centre for Sustainable Architecture with Wood, School of Architecture and Design, AustraliaHarvested logs supplied from five fibre-managed Eucalyptus nitens plantation coupes with different growing environments were assessed for quality and stiffness. Billets extracted from the logs were rotary peeled for veneer. When averaged across the five coupes, 30% of veneer recovered... -
Zambian Invertebrate Scoring System (ZISS): A macroinvertebrate-based biotic index for rapid bioassessment of southern tropical African river systems
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HF Dallas --- Freshwater Research Centre, Scarborough, South Africa S Lowe --- University of Glasgow, Scotland MP Kennedy --- Northern Rivers Institute, School of Geosciences, England K Saili --- Department of Geography and Environmental Studies, Zambia KJ Murphy --- University of Glasgow, ScotlandAn extensive survey of tropical rivers, conducted during 2009–2012 throughout Zambia, collected 151 samples of benthic macroinvertebrates, located on 95 rivers in six of the nine freshwater ecoregions. Associated data for physico-chemistry, human activities and ecosystem stressors were collected. Data... -
Dominance hierarchies within different size groupings of Nile tilapia (Oreochromis niloticus) and effects on growth and physiological responses
Item type: Journal Article • Journal: African Zoology • Authors: Kwasi Adu Obirikorang --- , Ghana Anthea Georgina Ama Ofori --- , Ghana Benjamin Apraku Gyampoh --- , GhanaHierarchies are prevalent in social animals and display of aggression by dominant individuals often results in appetite and growth suppressions in lower-ranked fish. This study investigated the effects of dominance hierarchies on growth and some physiological responses in Nile tilapia... -
The relation between low self-esteem and depressive mood in a non-clinical sample: The role of gender and negative life events
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Malose Makhubela --- Department of Psychology, South AfricaThe suggestion that self-esteem is both a protective and a risk factor for depression is well documented. However, this association is not consistently observed by empirical research. The current study investigated the main and interactive effects of low self-esteem and... -
Acute toxicity and adverse effects of aqueous and ethanol extracts of Parkia biglobosa pods on biochemical parameters of Clarias gariepinus
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: KA Bawa-Allah --- Environmental Toxicology Unit, Department of Zoology, Nigeria BO Akinnuoye --- Environmental Toxicology Unit, Department of Zoology, NigeriaThe acute toxicity of the aqueous and ethanol extracts of Parkia biglobosa pods against Clarias gariepinus was investigated under laboratory conditions. Agitated behaviours and respiratory distress were also observed during the exposure period. The adverse effects on biochemical parameters were... -
Development and evaluation of a cardiac coherence index for sleep analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Patrick Celka --- SATHeart SA, Rue Galilée, Yverdon-les-Bains, Switzerland Niclas Granqvist --- SATHeart SA, Rue Galilée, Yverdon-les-Bains, Switzerland Herbert Schwabl --- SATHeart SA, Rue Galilée, Yverdon-les-Bains, Switzerland Stephen D. Edwards --- Psychology Department, South AfricaCardiac coherence measurement is an established technology in biofeedback systems for stress release. Studies have typically been conducted with participants during ordinary waking consciousness, yet cardiac coherence during sleep may be even more important in illness prevention and health promotion... -
Structure of the Experience of Work and Life Circumstances Questionnaire among South African employees in the financial services and health sectors
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Petrus Nel --- Department of Industrial Psychology, South Africa Ebben S. van Zyl --- Department of Industrial Psychology, South Africa Agnes Akwa-Nde --- Department of Industrial Psychology, South Africa Motselisi Lucy Mokuoane --- Ministry of Health and Social Welfare, LesothoThis study sought to validate the Experience of Work and Life Circumstances Questionnaire (WLQ) in South Africa. Respondents were 393 employees within the financial services (n = 238) and health sector (n = 155). Results from the exploratory factor analysis... -
The moderating role of proactive coping on the relationship between distress tolerance and elevated blood pressure
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Maria Chidi C. Onyedibe --- Department of Psychology, NigeriaThis study investigated the moderating role of proactive coping on the relationship between distress tolerance and elevated blood pressure (BP) among Nigerian adults with heart disease. Two hundred and forty hypertensive patients were recruited from the cardiology unit of a... -
Trauma awareness and preparedness: Their influence on posttraumatic stress disorder development related to armed conflict experience
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne Duagani Masika --- Laboratoire de Psychologie Médicale et d’Addictologie, Belgium Christophe Leys --- Faculty of Psychology, Belgium Pierre Fossion --- Laboratoire de Psychologie Médicale et d’Addictologie, Belgium Paul Verbanck --- Laboratoire de Psychologie Médicale et d’Addictologie, Belgium Maurice Tingu Yaba Nzolameso --- Faculté de Psychologie et des Sciences de l’Education, Samuel Mampunza Ma Miezi --- Département de Psychiatrie, RDC Charles Kornreich --- Laboratoire de Psychologie Médicale et d’Addictologie, BelgiumThis study examined influences of trauma awareness and preparedness on the development of posttraumatic stress disorder (PTSD) in civilian and military personnel with exposure to the civil war. Participants were 302 people with exposure to civil war in the Democratic... -
A profile of Caesarean sections performed at a district hospital in Tshwane, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: I Govender --- Department of Family Medicine and Primary Health Care, South Africa C Steyn --- Department of Family Medicine and Primary Health Care, South Africa O Maphasha --- Department of Family Medicine, University of Pretoria, South Africa AT Abdulrazak --- Department of Family Medicine and Primary Health Care, South AfricaIntroduction: Caesarean section (CS) is a common obstetric procedure that prevents neonatal and maternal death when performed correctly if indicated; however, CS can give rise to complications that lead to maternal and perinatal morbidity and mortality. Rates of CS are... -
“I am still here!” Undergraduate medical students’ perceptions of resilience
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anja Botha --- Department of Psychology, South Africa Lynette J. van der Merwe --- Undergraduate Medical Programme Management, School of Clinical Medicine, South AfricaThis study explored students’ perceptions as resilient learners. Participants were 500 South African medical school students (59.0% female; pre-clinical group median age 20 years; clinical group median age 22.6 years). The students completed an open-ended questionnaire on factors impacting their... -
Coping with occupational stress in an open distance learning university in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melissa du Plessis --- Department of Human Resource Management, South AfricaThe study explored the occupational stressors experienced by academics employed by open distance learning (ODL) institutions and their coping strategies. The participants were a convenience sample of 305 academics from an ODL university in South Africa (female = 64.3%; median... -
Exploring the indirect costs of a firm in business rescue
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Wesley Rosslyn-Smith --- Department of Business Management, South Africa Nicole Varela Aguiar De Abreu --- Department of Business Management, South Africa Marius Pretorius --- Department of Business Management, South AfricaIt may be argued that the indirect costs of financial distress are substantially higher than the direct costs. Consequently, indirect costs of participating in a formal turnaround may hinder the success of a reorganisation attempt. This study set out to... -
Water quality assessment using benthic macroinvertebrates as bioindicators in streams and rivers around Sebeta, Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Mezgebu --- Department of Fisheries and Aquatic Sciences, Ethiopia A Lakew --- National Fisheries and Aquatic Life Research centre, Ethiopia B Lemma --- Department of Zoological Sciences, EthiopiaThe increasing impact of human activities on the freshwater-bodies of Ethiopia requires an efficient and cost-effective method for ecological health assessment. In the current study, benthic macroinvertebrates were used to assess the impact of different stressors originating from industries and... -
Spatial modelling of cumulative human pressure in the tropical coastscape of Zanzibar, Tanzania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ZA Khamis --- Department of Geography and Geology, Finland R Kalliola --- Department of Geography and Geology, Finland N Käyhkö --- Department of Geography and Geology, FinlandCoastal landscapes and seascapes (‘coastscapes’) are under immense anthropogenic pressures emanating from multiple human activities. We applied spatial modelling to characterise the cumulative pressures in the coastscape of Zanzibar’s main island Unguja (hereafter Zanzibar), in the western Indian Ocean. We... -
Correlation and path coefficient analyses of yield and yield components in drought-tolerant bread wheat populations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Kwame W Shamuyarira --- African Centre for Crop Improvement, South Africa Hussein A Shimelis --- African Centre for Crop Improvement, South Africa Isack Mathew --- African Centre for Crop Improvement, South Africa Toi J Tsilo --- Agricultural Research Council–Small Grains, South AfricaCorrelation and path coefficient analyses of economic traits is important in identifying traits that can be used to simplify selection of complex traits such as grain yield. The aim of this study was to determine the degree of association between... -
Perceived organisational support, job stress, and turnover intention: The moderation of affective commitments
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stephen Tetteh --- School of Management, China Cisheng Wu --- School of Management, China Christian Narh Opata --- School of Management, Ghana Gloria Nana Yaa Asirifua Agyapong --- School of Economics, China Richard Amoako --- School of Management, China Frank Osei-Kusi --- School of Management, ChinaThe current study examined the role of affective commitment in the relationship between perceived organisational support (POS), job stress, and quitting intention of mining sector employees. The participants were 407 employees of a mining company in Ghana (females = 41.8%,... -
Maternal HIV status disclosure to young uninfected children: psychological variables of the mother
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Maretha Visser --- Department of Psychology, South Africa Amukelani Jennifer Hlungwani --- Department of Psychology, South AfricaMothers living with HIV are faced with the dilemma of when and how to disclose their HIV-positive status to their young uninfected children. In this study, a South African sample of mothers living with HIV, with young uninfected children (6–10... -
Work-life and social support influences on the mental health of security personnel for internally displaced persons’ (IDP) camps in Nigeria: A brief report
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kehinde Clement Lawrence --- Department of Educational Psychology and Special Education, South AfricaThis study explored work-life experiences and social support as correlates of mental health among security personnel for internally displaced persons’ (IDP) camps in Nigeria. The security personnel (n = 500; male = 62.2% and females = 37.8%; age range =... -
Academic demands and mental health among undergraduate students in full-time employment: The moderating role of perceived social support
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chibuzor Uchenna Onuoha --- Faculty of Humanities, South Africa Erhabor Sunday Idemudia --- Faculty of Humanities, South AfricaThis study investigated the moderating role of perceived social support in the relationship between academic demands (measured as perceived academic stress) and mental health of undergraduate students in full-time employment. Participants were a purposive sample of 320 undergraduate Open Distance... -
Suicide attempt and associated factors among in-school adolescents in Mozambique
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Mahidol University, Thailand Karl Peltzer --- Department for Management of Science and Technology Development, VietnamThe study estimated the prevalence and correlates of suicide attempts in the past year in adolescents in Mozambique. We utilised a cross-sectional national secondary data set (N = 1 918; median age 15 years, interquartile range =3 years) from the... -
“You can’t bully me anymore”: Coping strategies in a group of psychologists accused of professional misconduct
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hanlé Kirkcaldy --- , South Africa Esmé van Rensburg --- , South Africa Kobus du Plooy --- , South AfricaUpon receiving a professional misconduct complaint, practitioners are required to manage the complaint process while continuing with their professional work. The stress of a complaint may manifest in emotional difficulties and physical symptoms calling for supportive intervention. We explored the... -
Stress levels and alcohol use amongst beginning students at a peri-urban South African university: A brief report
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Thapelo Kleinboy Nekgotha --- , South Africa Kathryn Nel --- , South Africa Saraswathie Govender --- , South AfricaWe explored stress levels and alcohol use amongst first year students at a peri-urban university in South Africa. A cross sectional survey design using stratified random sampling was utilised (n = 217; females = 60%, males = 40%; age range... -
Chlorophyll a fluorescence as an indicator of heat stress in cotton (Gossypium hirsutum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MM van der Westhuizen --- , South Africa DM Oosterhuis --- , USA JM Berner --- , South Africa N Boogaers --- , South AfricaCotton (Gossypium hirsutum L.) is a major fibre crop that is greatly affected by climatic factors, especially drought and high temperatures. Excessive temperature (above 30 °C) during the reproductive stage (flowering) negatively affects cotton yield potential. Four diverse cotton genotypes... -
Prevalence and correlates of interpersonal violence among in-school adolescents in Tanzania
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- , Thailand Karl Peltzer --- , VietnamThe study aimed to assess the prevalence and correlates of interpersonal violence (physical attacks and physical fighting) among school-going adolescents in Tanzania. We analysed an existing data set of 3 765 adolescent learners (mean age = 14 years, SD =... -
Pre-displacement stressors, psychological morbidity, and PTSD symptoms among displaced women by Boko-Haram in North-East Nigeria: The buffering roles of psychological capital
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Erhabor S. Idemudia --- , South Africa Babatola D. Olawa --- , South Africa Gail E. Wyatt --- , USA Norweeta Milburn --- , USAWe utilised a cross-sectional survey design to examine the moderating roles of dimensional psychological capital (PsyCap) and pre-displacement stressors on the relationship between psychological morbidity and severity of PTSD symptoms among internally displaced (IDP) women from terrorist activity. Participants were... -
Utilising counselling services by law enforcement: An exploratory case study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Maximus Monaheng Sefotho --- , South Africa Cecilia Tlaleng Seema --- , BotswanaThis study explored police officers’ dispositions to utilise counselling services. Informants were 20 offers of the Lesotho Mounted Police Services (females = 42.5 %; constables = 57.5 %, age range 21 to 50+). The officers completed the Workplace Counselling Service... -
Physiological measure of animal welfare in relation to semi-captive African Elephant (Loxodonta africana) interaction programs
Item type: Journal Article • Journal: African Zoology • Authors: Chloe E Grotto --- , South Africa Tanja Wolf --- , South Africa Elizabeth Berkeley --- , United States Stephen Lee --- , United States Andre Ganswindt --- , South AfricaElephant interaction programs, specifically ones that provide elephant back riding, have come under public scrutiny, and little information exists to show whether these activities affect animal welfare. This study examined the impact of human interactions and ride-based activities on physiological... -
Impact of climate change on yield and water use efficiencies of potato in different production regions of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AC Franke --- , South Africa LN Muelelwa --- , South Africa JM Steyn --- , South AfricaIn South Africa, the potato is produced in regions with different climates. Climate change is expected to result in higher temperatures, thus increasing the incidence of heat stress, but lowering the risk of frosts in mid-altitude areas. Increasing ambient carbon... -
Children’s stress, negative emotions, emotional eating, and eating disorders: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yao-Teng Wu --- , Taiwan Der-Hsiang Huang --- , Taiwan Tai-Hao Hsu --- , Taiwan Fu-Yuan Hong --- , TaiwanThis study examined how comorbid anxiety and depression to eating disorders in children affect the relationship between stress in children and their emotional eating behaviours. We sampled 1 120 children from 60 public primary schools across Taiwan (female = 42.5%; age range = 11... -
Characterisation of eucalypt wood from trees with dieback for production of Kraft pulp
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ana Paula Câmara --- , Brazil Graziela Baptista Vidaurre --- , Brazil Suellen Rios Martins --- , Brazil João Gabriel Missia da Silva --- , Brazil Humberto Fantuzzi Neto --- , Brazil Jean Carlos Lopes de Oliveira --- , Brazil Amélia Guimarães Carvalho --- , Brazil José Cola Zanuncio --- , Brazil Leandro de Siqueira --- , BrazilDieback, resulting from abiotic stress, compromises the development of trees and the quality of wood. The objective of this work was to characterise the wood and cellulosic pulp produced from young eucalypt wood with dieback. Eucalyptus grandis × Eucalyptus urophylla... -
Perceived stress, coping and mental health of teachers: A latent profile analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Vasti Marais-Opperman --- , South Africa Chrizanne van Eeden --- , South Africa Sebastiaan Rothmann --- , South AfricaThis study aimed to identify teachers’ stress profiles from their perceived stress responses, and to determine the relationships between their stress profiles, coping strategies, and mental health. Participants were a convenience sample of teachers (n = 209) in the Sedibeng... -
Characterising the seasonal cycle of wind forcing, surface circulation and temperature around the sub-Antarctic Prince Edward Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Toolsee --- , South Africa T Lamont --- , South Africa M Rouault --- , South Africa I Ansorge --- , South AfricaLocated between the sub-Antarctic Front and the Antarctic Polar Front, the Prince Edward Islands (PEIs) provide an essential breeding ground for top predators and are an ideal location to investigate disturbances linked to climate change. This study provides the first... -
Prevalence and associated factors of psychological distress among a national sample of in-school adolescents in Liberia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- , Thailand Karl Peltzer --- , South AfricaThis study aimed to estimate the prevalence and correlates of psychological distress among adolescent school children in Liberia. We analysed data from a cross-sectional nationally representative sample of 2 744 school adolescents (median: 18 years) gathered by the Liberia Global... -
Diversity of benthic macroinvertebrates in anthropogenically disturbed Aturukuku River, Eastern Uganda
Item type: Journal Article • Journal: African Zoology • Authors: Hannington Ochieng --- , Uganda Willy P Gandhi --- , Uganda Godfrey Magezi --- , Uganda James Okot-Okumu --- , Uganda Robinson Odong --- , UgandaBiodiversity conservation has focused on large vertebrates and plants with pronounced economic value, compared with smaller organisms such as benthic macroinvertebrates that play a particular role in freshwater ecosystems. The increasing loss and degradation of freshwater habitats, coupled with low... -
Interpersonal sensitivity and social avoidance and distress in female college students: Mediating role of self-inconsistency and moderating role of self-consciousness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanhong Luo --- , China Zhenrong Shi --- , China Bin Zhang --- , China Yu Peng --- , China Anqi Zhang --- , China Yixin Zeng --- , ChinaThis study aimed to explore the relationship between interpersonal sensitivity and college students’ social avoidance and distress. Our sample consisted of 544 Chinese female undergraduate college students selected through cluster sampling (mean age = 19.3 years, SD = 1.43 years)... -
Indirect exposure to trauma: Does resilience explain the link between optimism and secondary traumatic stress among in-patient carers?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rosemary C. Muomah --- , Nigeria Appollos C. Ndukuba --- , Nigeria Paul C. Odinka --- , Nigeria Kennedy U. Amadi --- , Nigeria Callista U. Nduanya --- , Nigeria Jaclyn I. Odinka --- , Nigeria Theclar C. Iyidobi --- , NigeriaThis study examined the relationship between optimism and secondary traumatic stress (STS), including the mediating role of resilience on the association. Family carers (n = 194; female = 64.95%; married = 50%; age range = 15 to 70, mean age... -
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... -
A critical review of macroinvertebrate-based bioassessment approaches in Africa’s lotic systems: developments, challenges, and legal requirements
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: John Peter Obubu --- , Ethiopia Seyoum Mengistou --- , Ethiopia Tadesse Fetahi --- , Ethiopia Wolfram Graf --- , Austria Robinson Odong --- , UgandaWorldwide, water resources have an impact on all forms of life as lotic systems are networks that interconnect water resources and land. They are important for navigation, water supplies, agriculture, recreation, and industrial development and help to regulate changes in... -
Personality traits and occupational stress among special needs education teachers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Olufemi Timothy Adigun --- , South Africa Mandla Morris Hlongwane --- , South Africa Olugbenga Ojo Isaiah --- , NigeriaWe assessed the association between personality traits, sex, and occupational stress among special needs education teachers. A total of 472 special needs education teachers from Southwest Nigeria were participants (female = 39.2%; age range 23 to 58 years, special education... -
Psychological distress among a cross-sectional national sample of adolescents in South Africa: Prevalence and associated factors
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- , Thailand Karl Peltzer --- , South AfricaPsychological distress (PD) may be common among adolescents. The study aimed to estimate population-based rates of PD among adolescents in South Africa. We analysed cross-sectional national data from 2 240 adolescents (median age = 17 years) that participated in the... -
Assessing fish community response to water quality and habitat stressors in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Wesley Evans --- , South Africa Colleen T Downs --- , South Africa Matthew J Burnett --- , South Africa Gordon C O’Brien --- , South AfricaThe degradation of freshwater ecosystems can be attributed to stressors associated with the increased demand for water and other aquatic resources. Freshwater ecosystems face such challenges in supporting agriculture, industry, and high-density urban areas in KwaZulu-Natal (KZN) province, South Africa... -
Polysubstance use among national samples of in-school adolescents in Dominican Republic, Jamaica, and Trinidad and Tobago
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- , South Africa Supa Pengpid --- , ThailandThis study aimed to provide estimates on current polysubstance use among adolescents in three Caribbean countries. Cross-sectional and national school health survey data (2016-2017) were analysed from 6 269 adolescents (median age = 15 years) in Dominican Republic (n =... -
Effects of mindfulness on occupational stress and job satisfaction of hospitality and service workers
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sophie Luisa Bolm --- , The Netherlands Wichard Zwaal --- , The Netherlands Macmillion Braz Fernandes --- , The NetherlandsHospitality and service workers commonly work under psychological and physical pressure with long working hours, resulting in high levels of occupational stress that affect their overall well-being and job satisfaction. This study investigates the effects of a mindfulness intervention on... -
Financial constraints and the financial distress puzzle: Evidence from a frontier market before and during the Covid-19 pandemic
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Khoa Dang Duong --- , Vietnam Linh Thi Diem Truong --- , Vietnam Tran Ngoc Huynh --- , Vietnam Quang Thu Luu --- , VietnamWe are the first ever to examine the financial constraints and distress risk puzzle of listed manufacturing firms in Vietnam. We employ different estimation methods such as portfolio sorting, Fama Macbeth regression, and asset pricing models to analyse a sample... -
Wellness needs of academic employees: A case study of a South African university
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frances L. Jasson --- , South Africa Marieta Du Plessis --- , South Africa Abigail Simons --- , South AfricaAcademic employees at Higher Education Institutions face numerous challenges, ranging from workload, student protests, and emergency remote learning. We explored the lived work wellness experiences of South African academics and how well institutional wellness services were meeting these needs. Thirteen... -
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... -
The application of Bayesian networks to evaluate risks from multiple stressors to water quality of freshwater ecosystems
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: V Wepener --- , South Africa GC O’Brien --- , South AfricaIt is difficult to predict and manage the ecological consequences of multiple water quality stressors on our freshwater systems. This is due to the dynamism of the source-stressor-response relationships and multiple factors including lack of data, complex impact pathways and... -
Fear of COVID-19, perceived academic stress, future anxiety, and psychological distress of Ghanaian university students: A serial mediation examination
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nutifafa Eugene Yaw Dey --- University of Ghana, Ghana Mabel Oti-Boadi --- University of Ghana, Ghana Esther Malm --- Murray State University, USA Roberta Kekle Selormey --- University of Ghana, Ghana Kenneth Owusu Ansah --- University of Ghana, GhanaThe study examined the direct and indirect relationships between fear of COVID-19 (FC), perceived academic stress (PAS), future anxiety (FA), and psychological distress (PD) among students in Ghana. Students (n = 241; female= 64.1%; mean age= 21.54 years, SD =... -
COVID-19 context and job insecurity among casual employees: The predictive value of education, financial stress, and coping ability
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Abiodun Musbau Lawal --- Federal University Oye-Ekiti, Nigeria Erhabor Sunday Idemudia --- North-West University, South Africa Constance Karing --- Friedrich-Schiller-University, Germany Babatunde Mustapha Bello --- Lagos State University, NigeriaThis study examined COVID-19 mitigation and job insecurity among casual employees and the role of educational attainment, coping ability, and financial stress in that relationship. We surveyed 238 casual employees from five industries in the Southwestern part of Nigeria (female=... -
Mediating roles of social anxiety and interpersonal distress in the relationship between mobile phone addiction and loneliness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Taiyong Bi --- Zunyi Medical University, China Hui Kou --- Zunyi Medical University, China Qinhong Xie --- Zunyi Medical University, China Jie Dong --- Zunyi Medical University, ChinaThe present study aimed to explore the relationship between mobile phone addiction and loneliness among college students and the possible mediating roles of social anxiety and interpersonal distress may play in that relationship. A total of 477 Chinese college students... -
Associations between COVID-19 vaccine hesitancy and the experience of violence among women and girls living with and at risk of HIV in Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Morenike Oluwatoyin Folayan --- Obafemi Awolowo University, Nigeria Olujide Arije --- Obafemi Awolowo University, Nigeria Amaka Enemo --- , Nigeria Aaron Sunday --- , Nigeria Amira Muhammad --- Northern Nigerian Transgender Initiative, Nigeria Hasiya Yunusa Nyako --- , Nigeria Rilwan Mohammed Abdullah --- , Nigeria Henry Okiwu --- , Nigeria Erik Lamontagne --- , SwitzerlandAim : Women and girls living with and at high risk of HIV (WGL&RHIV) had an increased risk for gender-based violence (GBV) during COVID-19. The study aimed to assess the associations between vaccine hesitancy and GBV, HIV status and psychological... -
Loneliness and mobile phone addiction in Chinese college students: a moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Zhang --- Hunan University of Chinese Medicine, China Hanyu Liang --- Guizhou Medical University, China Yanhong Luo --- Hunan University of Chinese Medicine, China Yu Peng --- Hunan University of Chinese Medicine, China Zhiyan Qiu --- Hunan University of Chinese Medicine, China Huili Mao --- Hunan University of Chinese Medicine, China Mengqi Yuan --- Hunan University of Chinese Medicine, China Sicheng Xiong --- Hunan University of Chinese Medicine, ChinaThis study aimed to investigate (i) the relationship between loneliness and mobile phone addiction; (ii) the mediating role of negative affect in the association between loneliness and mobile phone addiction; and (iii) the moderating effect of perceived stress in the... -
COVID-related stressors on career insecurity: The moderating effects of family support and openness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yinan Tian --- , China Yuxiang Luan --- , China Nan Wang --- North Minzu University, ChinaWe examined the relationship between COVID-19 stressors and individuals’ career insecurity and the moderating effect of family support and openness to experience on that relationship. Participants were 207 young Chinese employees (female = 52.2%; mean age = 25.5 years, SD... -
On the periphery of HIV and AIDS: Reflections on stress as experienced by caregivers in a child residential care facility in South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kesh Mohangi --- , , South Africa Chereen Pretorius --- , , South AfricaFew researchers have investigated how female caregivers of institutionalised children, especially those affected by HIV and AIDS, experience stress. The role played by caregivers cannot be overemphasised; yet caregivers who work in institutions caring for orphaned and/or abandoned children affected... -
Youth living with HIV/AIDS in secondary schools: perspectives of peer educators and patron teachers in Western Uganda on stressors and supports
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Emmanuel Kimera --- , , Uganda Sofie Vindevogel --- , , Belgium John Rubaihayo --- , , Uganda Didier Reynaert --- , , Belgium Jessica De Maeyer --- , , Belgium Anne-Mie Engelen --- , , Belgium Johan Bilsen --- , , BelgiumAs Youth Living With HIV/AIDS (YLWHA) continue to survive and live with HIV chronically due to effective Antiretroviral Therapy (ART), it is paramount to work toward maximising their psychosocial wellbeing. The school where these YLWHA are expected to spend most... -
A qualitative evaluation of a stress management programme for HIV and AIDS home-based care workers in Tshwane, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: P. M. Kupa --- Department of Social Work & Criminology, University of Pretoria, South Africa L. S. Geyer --- Department of Social Work & Criminology, University of Pretoria, South AfricaThe HIV and AIDS pandemic resulted in increased demands on the South African healthcare system and contributed to elevated stress levels among healthcare workers, including home-based care workers. The goal of the study was to evaluate a stress management programme... -
Wind- and eddy-driven upwelling over submarine canyons inshore of the northern Agulhas Current
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Rautenbach --- Nelson Mandela University, South Africa J Hermes --- , South Africa I Halo --- , South Africa T Morris --- , South Africa J Veitch --- , South AfricaThe iSimangaliso Wetland Park, located along the coastline of northern KwaZulu-Natal, hosts South Africa’s only subtropical coral reef system. Episodic upwelling events are observed inshore and at the heads of Diepgat, Leadsman and Leven canyons within the iSimangaliso Wetland Park... -
Factors associated with breakup distress following a romantic relationship dissolution among emerging adult students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alberta SJ van der Watt --- Stellenbosch University, South Africa Annerine Roos --- University of Cape Town, South Africa Elmien Lesch --- Stellenbosch University, South Africa Soraya Seedat --- Stellenbosch University, South AfricaRomantic relationship dissolutions (RRDs) frequently occur among emerging adult students and can lead to significant distress. Little information is available regarding the factors associated with increased breakup distress among emerging adult students in low- and middle-income countries. We aimed to... -
Initial evaluation of the care and rehabilitation success of Cape Cormorants Phalacrocorax capensis rescued from Robben and Jutten islands, South Africa, in January 2021
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jesse Phillips --- University of the Western Cape, South Africa Katrin Ludynia --- , South Africa Lauren J Waller --- University of the Western Cape, South Africa Peter J Barham --- University of the Western Cape, South Africa Andile Mdluli --- , South Africa Romy Klusener --- , South Africa Gavin W Maneveldt --- University of the Western Cape, South AfricaThe population of the endangered Cape Cormorant Phalacrocorax capensis more than halved over the last three decades (BirdLife International 2018a). In January 2021, nearly 2 000 Cape Cormorant chicks were found abandoned, suffering from dehydration and heat stress, at two... -
Social support and health-related quality of life in Nigerian cancer patients: Role of cancer-related stress
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Erhabor Sunday Idemudia --- North-West University, South Africa Desmond Uchechukwu Onu --- University of Nigeria, Nigeria Maria-Chidi Christiana Onyedibe --- University of Nigeria, Nigeria Lawrence E Ugwu --- North-West University, South AfricaWe investigated the mediating influence of cancer-related stress (CRS) in social support health-related quality of life (HRQoL) among Nigerian cancer patients. Nigerian cancer patients (n = 316; female = 64.6%; mean age = 50.16 years, SD = 13 years) completed... -
Morphological and physiological responses of Calobota sericea plants subjected to water limitation and subsequent rewatering
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Francuois Müller --- Agricultural Research Council – Animal Production: Range and Forage Sciences, South Africa Lincoln Raitt --- University of the Western Cape, South Africa Lilburne Cyster --- University of the Western Cape, South Africa Samson Chimphango --- University of Cape Town, South Africa M Igshaan Samuels --- Agricultural Research Council – Animal Production: Range and Forage Sciences, South Africa Clement Cupido --- Agricultural Research Council – Animal Production: Range and Forage Sciences, South Africa J Stephen Boatwright --- University of the Western Cape, South AfricaCalobota sericea is a native legume of South Africa, confined to the water-limited rangelands, and it has recently been prioritised for additional characterisation regarding its pasture potential. In this study, we examined the growth characteristics of C. sericea under glasshouse... -
Cadmium exposure induces testicular oxidative damage and histopathological changes in the freshwater leech Limnatis nilotica (Savigny, 1822): the protective role of salicylic acid
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Ichrak Khaled --- University of Gafsa, Tunisia Issam Saidi --- University of Gafsa, Tunisia Raja Ben Ahmed --- Université de Tunis El Manar, Tunisia Ramzi Amari --- University of Gafsa, Tunisia Waleed Aldahmash --- King Saud University, Saudi Arabia Octavian Pacioglu --- National Institute of Research and Development for Biological Sciences, Romania Najla Hfaiedh --- University of Gafsa, Tunisia Abdel Halim Harrath --- King Saud University, Saudi ArabiaThe present study examined the histopathological changes and some parameters of oxidative stress in the testes of the freshwater leech Limnatis nilotica, following their exposure to 50 µg l−1 of cadmium (Cd). The protective effects of salicylic acid (SA) in... -
Environmental stressors influence the biological water quality of a lotic system in southwestern Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: EO Akindele --- Obafemi Awolowo University, Nigeria SA Olaniyan --- Institute of Ecology and Environmental Studies, Obafemi Awolowo University, Nigeria AM Adedapo --- Obafemi Awolowo University, NigeriaDeforestation in the Afrotropical realm is extensively encroaching on riparian corridors, causing increasingly negative impacts on freshwater biota. This study aimed to assess the biological water quality of an Afrotropical river in southwestern Nigeria whose riparian corridor is threatened by... -
Seedling establishment and early growth in Calobota sericea subjected to moisture stress
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Francuois Müller --- , South Africa Letty Masemola --- , South Africa Stephen Modiba --- , South Africa Nothando Ngcobo --- , South AfricaThe South African perennial legume Calobota sericea (Thunb.) Boatwr. & B-E van Wyk has been shown to be drought tolerant as mature plants, but information on drought tolerance of seedlings is lacking. This study evaluated the impact of moisture stress... -
Graduate student challenge-hindrance scientific research stress and creativity: Mediating effect of creative self-efficacy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hao Yao --- Institute of Higher Education, Tongji University, China Qing Yu --- Soochow University, ChinaThis study examined the relationship between graduate student challenge-hindrance scientific research stress and creativity and the mediating role of creative self-efficacy in that relationship. Participants were 1 210 Chinese graduate students from a large university in Jiangsu, Zhejiang, and Shanghai... -
Thermal tolerances of littorinid snails from temperate and subtropical South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CD McQuaid --- Rhodes University, South Africa TG Matumba --- Rhodes University, South AfricaEnvironmental temperature affects ectotherm performance and fitness because physiological performance increases up to a sublethal optimum temperature; this is not fixed, but depends on the species and individual history. We explored the influence of species identity, size and thermal history... -
Turnaround for municipal distress resolution: An audit outcomes approach
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Mariska McKenzie --- University of Johannesburg, South Africa Ben Marx --- University of Johannesburg, South AfricaPurpose: This research study aims to identify effective turnaround strategies that can resolve municipal financial distress by improving the audit outcomes of dysfunctional municipalities. -
How and when illegitimate tasks lead to cyberloafing: The role of meaningful work and appreciative leadership
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qian Ma --- Renmin University of China, China Yuxuan Xie --- Tsinghua University, ChinaThis study examined how and when illegitimate tasks are related to employee cyberloafing with meaningful work and appreciative leadership. Participants were 289 employees of a Chinese energy firm (female = 59.5%; bachelor's degree = 75.8%; mean age = 30.86 years, SD... -
The impact of printing industry effluent on the growth and antioxidant response of the freshwater green microalga Chlorella sorokiniana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: IY Okpanachi --- Nigerian Army University Biu, Nigeria U Aminu --- Ahmadu Bello University, Nigeria AO Jolaoso --- University of Lagos, Nigeria WN Yusufu --- Ahmadu Bello University, Nigeria E Abdulmalik --- Ahmadu Bello University, Nigeria MA Chia --- Ahmadu Bello University, NigeriaContamination of aquatic ecosystems with printing industry wastewater is a serious concern because of the toxicity associated with the effluent components and a tendency to create cascading ecological effects. The influence of printing-press effluent on the freshwater microalga Chlorella sorokiniana... -
Adapting Altman Z-score models for early warning signals: Evidence from delisted mining stocks on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Nigel Matanga --- University of Cape Town, South Africa Glen Holman --- University of Cape Town, South AfricaThe aim of the study is to measure the predictive prowess of adapting the Altman’s Z-score models when used to predict financial health and subsequent delisting of mining companies listed on the Johannesburg Stock Exchange between 1994 and 2021. The... -
Changes in protein expression in Acacia mearnsii De Wild (black wattle) as a result of exposure to frost-inducing temperatures
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Jugmohan --- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, South Africa J Moreno Chan --- Institute for Commercial Forestry Research, South Africa C Morris --- Agricultural Research Council–Animal Production, c/o University of KwaZulu-Natal, South Africa MW Bairu --- Agricultural Research Council–Vegetable, Industrial and Medicinal Plants, South Africa R Burgdorf --- Institute for Commercial Forestry Research, South Africa MD Laing --- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, South AfricaAcacia mearnsii De Wild (black wattle) is one of the most important forestry crops in South Africa. The bark of this species contains high-quality tannins, while its wood is used for wood chips, charcoal and mining timber. One of the... -
Role of distress tolerance, meaning in life and social support in the relationship between posttraumatic stress symptoms (PTSS) and posttraumatic growth (PTG) among Nigerian cancer patients
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chinenye Joseph Aliche --- North-West University, South Africa Erhabor Sunday Idemudia --- North-West University, South AfricaWe examined the moderating roles of distress tolerance, meaning in life, and social support in the relationship between posttraumatic stress disorder (PTSD) and posttraumatic growth (PTG) among cancer patients. Participants included 301 cancer outpatients randomly selected from the oncology unit... -
Childhood Trauma and Remembrance: Weaponised PTSD in Glaydah Namukasa’s The Deadly Ambition
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Gabriel Kosiso Okonkwo --- Rhodes University, South AfricaDefining crime within the prism of personal responsibility without recourse to its triggers engenders post-traumatic stress disorder (PTSD) in victims of unfair hearings. While literary studies interrogating blame for traumatic reactions on the basis of personal responsibility or choice abound,... -
Validity and reliability of the Compassion Fatigue Short Scale among nursing interns
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Li-Juan Yi --- Hunan Traditional Chinese Medical College, China Ting Shuai --- Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, China Ya Li --- Hunan Traditional Chinese Medical College, China Guo-Hao Wang --- Tangshan Polytechnic University, China Hai-Yan Long --- Hunan Traditional Chinese Medical College, China Hang Lin --- Hunan Traditional Chinese Medical College, China Xu Tian --- Chongqing Traditional Chinese Medicine Hospital, China Maria F. Jiménez-Herrera --- Universitat Rovira i Virgili, SpainWe aimed to determine the reliability and validity of scores from the Chinese Compassion Fatigue Short Scale (CFSS) for nursing interns (n = 229; female = 88.2%, mean age = 20.34 years, SD = 0.968 years). The nursing interns completed... -
Mental health among high school students in South Africa: Roles of childhood adversity, bullying behaviour, peer pressure, and self-esteem
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kenni Wojujutari Ajele --- North-West University Mafikeng, South Africa Kedibone Johanna Ramadie --- North-West University, South Africa Erhabor Sunday Idemudia --- North-West University Mafikeng, South Africa Lawrence Ejike Ugwu --- North-West University Mafikeng, South AfricaWe explored the relationship between childhood adversity, bullying, peer pressure, self-esteem, and mental health among South African high school students. Adolescents (n = 769, mean age = 15.83 years, SD = 1.85 years, range = 12–22 years) completed a cross-sectional... -
Impact of workplace adversity on well-being of Ghanaian bankers: Do resilience and psychological safety matter?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Justice Mensah --- University of Ghana Business School, Ghana Kwesi Amponsah-Tawiah --- University of Ghana Business School, Ghana Eric Nanteer-Oteng --- University of Ghana Business School, GhanaWe examined the role of resilience and psychological safety in the relationship between perceived workplace adversity and work well-being. Participants were 1257 Ghanaian banking sector employees (male = 49.32, female = 50.68%; age range = 21 to 60 years, mean... -
Trajectories of maternal depression, anxiety, stress, and child developmental milestones at 24 months
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Clariana Vitória Ramos de Oliveira --- School of Nursing, University of Nevada Las Vegas, United States of America Simoní Saraiva Bordignon --- School of Nursing, Federal University of Rio Grande, Brazil Rafaela Costa Martins --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Cauane Blumenberg --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Thais Martins-Silva --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Francine Costa --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Juraci Cesar --- Postgraduate Program in Public Health, Federal University of Rio Grande, Brazil Paul Springer --- Virginia Tech University, United States of Ameerica Christian Loret de Mola --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, BrazilBackground: Literature suggests a link between maternal mental health and adverse child developmental outcomes. However, we do not know to what extent this is true in low and middle-income settings, and most studies do not explore mental health longitudinally since... -
Impact of catch and release on the welfare of bronze seabream Pachymetopon grande in the South African marine shore-based fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EC Butler --- Rhodes University, South Africa MW Farthing --- Rhodes University, South Africa CS Bova --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa WM Potts --- Rhodes University, South AfricaThe practice of catch-and-release (C&R) angling is increasingly being integrated into recreational fisheries as a conservation strategy to promote sustainability. However, C&R can still have lethal or sublethal effects owing to various stressors involved in the act of angling. Using... -
Comparing the activity of exploited and unexploited populations of a reef-dwelling seabream, Chrysoblephus laticeps, during an extreme upwelling and cold-spell event
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NT Mlotshwa --- Rhodes University, South Africa MR Skeeles --- Rhodes University, South Africa MI Duncan --- Rhodes University, South Africa C Muller --- Rhodes University, South Africa WM Potts --- Rhodes University, South Africa AC Winkler --- Rhodes University, South Africa A-R Childs --- Rhodes University, South AfricaAlong the south coast of South Africa, extreme upwelling events lead to rapid temperature declines and prolonged marine cold-spells, which have, on occasion, led to large-scale mortalities of coastal fishes. In a somewhat antagonistic process, fishing exploitation has been shown... -
Investigating gene expression patterns involved in salinity tolerance mechanisms in Thinopyrum distichum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Isabel M van der Watt --- , South Africa Nicholas C Le Maitre --- , South Africa Kishalya Haridass --- , South Africa Cecile Bester --- , South Africa Willem C Botes --- , South AfricaThinopyrum distichum (Thunb.) Á. Löve is a salt-tolerant, wheat wild relative native to the Western Cape and Eastern Cape coastal regions of South Africa; however, the mechanisms governing this species’ halophytic nature remain underexplored. RNA was extracted from root and... -
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...
