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Quantified range condition assessment of open Camelthorn savanna along a degradation gradient
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: I Zimmermanno FP Graz MH Berry NNT Imasiku ND Muroua MM Sibalatani CS SikopoMeasurements were taken at 20 different sites in a relatively homogenous area of open Camelthorn savanna in eastern Namibia. Ordination of grass species composition did not provide a good degradation gradient, due to domination by different species of annual grasses... -
A guide to performing skin-prick testing in practice: tips and tricks of the trade
Item type: Journal Article • Journal: South African Family Practice • Authors: O Coetzee --- Department of Paediatrics and Child Health, Division of Paediatric Pulmonology, RJ Green --- Department of Paediatrics and Child Health, Division of Paediatric Pulmonology, R Masekela --- Department of Paediatrics and Child Health, Division of Paediatric Pulmonology,Atopy can manifest in childhood as infantile eczema (atopic dermatitis), allergic rhinitis and asthma. In practice, it is critical to identify the offending allergen in atopic individuals. This will not only influence therapeutic interventions, but may also have a significant... -
Microclimate conditions in ventilated wet-walled greenhouses in a subtropical climate: spatial variability
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael J Savage --- Agrometeorology Discipline, Soil-Plant-Atmosphere Continuum Research Unit, School of Agricultural, Earth and Environmental Sciences, South AfricaSpatial variations of microclimatic conditions in enclosed north–south (N–S) oriented single-arched greenhouse polycarbonate structures, with a wet-wall providing evaporative cooling at the S end, were investigated and displayed online in near real-time. Temperature-controlled fans at the N end extracted air... -
The correlation between the health-related fitness of healthy participants measured at home as opposed to fitness measured by sport scientists in a laboratory
Item type: Journal Article • Journal: South African Family Practice • Authors: CC Grant --- Department of Sports Medicine, South Africa DC Janse van Rensburg --- Department of Sports Medicine, South Africa MS Pepper --- Department of Immunology, South Africa PJ du Toit --- Department of Physiology, South Africa PS Wood --- Department of Biokinetics, Sport and Leisure Sciences, South Africa J Ker --- Department of Sports Medicine, South Africa PE Krüger --- Institute for Sport Research, South Africa CW Grobbelaar --- Department of Physiology, South Africa K Nolte --- Department of Biokinetics, Sport and Leisure Sciences, South Africa F Fletcher --- Department of Statistics, South Africa TC Grant --- Department of Sports Medicine, South AfricaBackground: Fitness is defined in the health context as a state of good health or physical condition, primarily as a result of exercise and proper nutrition. Conventional methods of measuring fitness are expensive, time consuming and require specialised methods. There... -
Socio-demographic profiles and anthropometric status of 0- to 71-month-old children and their caregivers in rural districts of the Eastern Cape and KwaZulu-Natal provinces of South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Cm. Smuts --- Nutritional Intervention Research Unit, M. Faber --- Nutritional Intervention Research Unit, Se. Schoeman --- Nutritional Intervention Research Unit, Ja. Laubscher --- Biostatics Unit, A. Oelofse --- Centre for Nutrition, Ajs. Benadé --- Cape Peninsula University of Technology, Ma. Dhansay --- Nutritional Intervention Research Unit,Abstract -
The development of a preliminary regression equation for estimating the weight of black South African paraplegic males using anthropometric measurements in Tshwane, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: H. Snyman --- Association for Dietetics in South Africa, Mg. Herselman --- Division of Human Nutrition, D. Labadarios --- Division of Human Nutrition,Abstract -
Anthropometric characteristics and nutritional status of older adults in the Lake Victoria Basin of East Africa: region, sex, and age differences
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mj Cheserek --- Human Nutrition Department, Pj. Tuitoek --- Human Nutrition Department, Jn Waudo --- Department of Food Nutrition and Dietetics, Jm Msuya --- Department of Food Science and Technology, Jk. Kikafunda --- Department of Food Science and Technology,Background: Malnutrition, either as undernutrition or overnutrition, leads to detrimental alterations in body composition. The objective of this study was to investigate selected anthropometric measurements, and the nutritional status of older men and women living in the Lake Victoria Basin... -
True height and variability in estimates thereof across race and gender
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Christen Lahner --- Discipline of Dietetics and Human Nutrition, School of Agricultural Sciences and Agribusiness, Faculty of Science and Agriculture, Susanna Kassier --- Discipline of Dietetics and Human Nutrition, School of Agricultural Sciences and Agribusiness, Faculty of Science and Agriculture,Although standing height is the ideal indicator of a subject’s true height, numerous internal and external factors can have an effect on its accuracy. These factors include measurement error, the clinical environment, growth and a secular change in growth, and... -
Circulation of shelf waters in the KwaZulu-Natal Bight, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Ocean Sciences and Marine Food Security, South Africa C Nieuwenhuys --- Bayworld Centre for Research and Education, South Africa LA Guastella --- Bayworld Centre for Research and Education, South AfricaShip-based acoustic Doppler current profiler (S-ADCP) technology, used in survey mode, has enabled near- synoptic views of the in situ 3-D current field in the KwaZulu-Natal (KZN) Bight to be elucidated for the first time. Data acquired by the research... -
Observations and mechanisms of upwelling in the northern KwaZulu-Natal Bight, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Ocean Sciences and Marine Food Security, South Africa C Nieuwenhuys --- Bayworld Centre for Research and Education, South AfricaNew in situ time-series data were acquired by two ADCP moorings placed on the shelf off Richards Bay on the east coast of South Africa at depths of 25 m and 582 m between October 2009 and August 2010. The... -
Arm-associated measurements as estimates of true height in black and white young adults of both genders: an exploratory study, Pietermaritzburg, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Christen R Lahner --- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, South Africa Susanna M Kassier --- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, South Africa Frederick J Veldman --- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, South AfricaObjective: To determine the accuracy of arm-associated anthropometric measurements as estimates of true height. -
Hospital-acquired malnutrition in children at a tertiary care hospital
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Del-Rossi Sean Quadros --- Department of Paediatrics and Child Health, Kenya. Rose Kamenwa --- Department of Paediatrics and Child Health, Kenya. Samuel Akech --- Department of Paediatrics and Child Health, Kenya. William M Macharia --- Department of Paediatrics and Child Health, Kenya.Objectives: This study sought to investigate the incidence and factors associated with hospital-acquired malnutrition in children. -
Wave setup at Tristan da Cunha
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PL Woodworth --- , United KingdomWave setup was investigated using data from tide gauges in a small harbour at the island of Tristan da Cunha in the South Atlantic Ocean. Frequent examples of wave setup were found during the period 1986–1992, but were much less... -
Nest characteristics and morphometry of Black Crowned Cranes Balearica pavonina ceciliae in Lake Tana area wetlands
Item type: Journal Article • Journal: African Zoology • Authors: Shimelis Aynalem Zelelew --- , Ethiopia George Archibald --- , United StatesBirds select breeding habitats based on biotic and abiotic environmental factors, resulting in a non-random spatial distribution of nests. This study investigated the onset of nesting, nest location, the relationship between nest height and water depth, nest materials, and the... -
Sex determination of Kelp Gull Larus dominicanus vetula using head and bill measurements
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Albert Snyman --- , South Africa Elana Mostert --- , South Africa Katrin Ludynia --- , South AfricaKelp Gulls Larus dominicanus are not sexually dimorphic by plumage or visual characteristics and it is therefore difficult to distinguish males from females in the field. This paper assesses the sexual size dimorphism in this species and provides reliable methods... -
Consumer acceptability of fried chips made from South African sweet potato cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: SM Laurie --- , South Africa WM Mphela --- , South AfricaIn South Africa, the processing of sweet potatoes has a high potential for economic gain, therefore, chips were prepared from six sweet potato cultivars with varying flesh colours for consumer preference evaluation. Scoring was based on colour, crispness, taste and... -
Morphological variations in the African palm weevil, Rhynchophorus phoenicis (F) (Coleoptera: Curculionidae), in Kenya and Uganda
Item type: Journal Article • Journal: African Zoology • Authors: James P Egonyu --- International Centre of Insect Physiology and Ecology, Kenya Alfonce Leonard --- Tanzania Agricultural Research Institute (TARI) Ukiriguru Centre, Tanzania Chrysantus Mbi Tanga --- International Centre of Insect Physiology and Ecology, Kenya Sevgan Subramanian --- International Centre of Insect Physiology and Ecology, KenyaWe investigated morphological differences in the African palm weevil (Rhynchophorus phoenicis) from Kenya (Busia and Kwale) and Uganda using a LEICA EZ4HD stereo microscope and an absolute digimatic caliper. Ten pronotal colour patterns were recorded, of which two (brown with... -
A shelf-scale assessment of GLORYS and BRAN ocean reanalysis model outputs for the southern Benguela Upwelling System
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AM Kupczyk --- Fisheries and the Environment (DFFE), South Africa T Lamont --- Fisheries and the Environment (DFFE), South Africa I Halo --- Fisheries and the Environment (DFFE), South Africa CS Russo --- Fisheries and the Environment (DFFE), South Africa T Rixen --- Institute for Geology, Universität Hamburg, Germany N Lahajnar --- Institute for Geology, Universität Hamburg, GermanyThe Benguela Upwelling System, with its high variability and productivity, is challenging to monitor owing to limited in situ ocean observations. Researchers therefore often use ocean reanalysis products to simulate oceanographic conditions. We evaluated the performance of the GLORYS and...