Search

Search results for

We found 857 results for you

Utilisation of Solasodine from Fruits for Long-term Control of Solanum mauritianum

Item type: Journal Article • Journal: South African Forestry Journal • Authors: P.L. Campbell --- Cedara Weeds Laboratory, J. van Staden --- FRD/UN Research Unit for Plant Growth,

Present methods of controlling bugweed trees and of reducing the seed reservoir in the soil are discussed. A long-term method to limit the accumulation of new seed into the soil is proposed. This involves the utilisation of green fruits for...

View item »
Variable Effects of Glyphosate and Triclopyr Used for the Control of American Bramble, Rubus cuneifolius agg, in Pine Plantations

Item type: Journal Article • Journal: South African Forestry Journal • Authors: R.P. Denny --- Cedara Weeds Laboratory, J.M. Goodall --- Cedara Weeds Laboratory,

American bramble, Rubus cuneifolius agg, is a weed in pine plantations but information about the efficacy and long-term effects of herbicides is limited. Two trials are described in which observations continued for five and three years respectively. In the first...

View item »
Stimulation of Bud Production in Eucalyptus globulus by Paclobutrazol Application

Item type: Journal Article • Journal: South African Forestry Journal • Authors: S. Hetherington --- , K.M. Jones --- Department of Primary Industries New Town Research Laboratories, Australia T.B. Koen --- Department of Primary Industries New Town Research Laboratories, Australia

Trunk injection of paclobutrazol (Clipper) significantly increased the bud crop on 7-year-old Eucalyptus globulus (Labill.) seed orchard trees, within one year of application. This is the first reported stimulation of reproduction to occur, with eucalypts, in the season of application...

View item »
Herbicide treatments applied to stems and stumps of bugweed, Solanum mauritianum

Item type: Journal Article • Journal: South African Forestry Journal • Authors: R.P. Denny --- Cedara Weeds Laboratory, South Africa J.M. Goodall --- Cedara Weeds Laboratory, South Africa

Herbicide treatments applied to stems and stumps are necessary for bugweed, Solanum mauritianum, Scop because it is not always possible to spray the aerial parts when the plants are at an ideal height. Triclopyr in diesel and 2,4-D:2,4-DP ready-to-use were...

View item »
Plant-Parasitic Nematodes in Forest Soils in the Transvaal and Natal, South Africa

Item type: Journal Article • Journal: South African Forestry Journal • Authors: Mariette Marais --- National Collection of Nematodes, Biosystematics Division, NaomiH. Buckley --- National Collection of Nematodes, Biosystematics Division,

During a survey of plant-parasitic nematodes in forest soils between June 1989 and April 1991,164 soil samples were collected from forestry areas in the Transvaal and Natal. Acacia mearnsii plantations, species of Pinus and Eucalyptus, indigenous forests and virgin veld...

View item »
Evaluation of Afforestable Montane Grasslands for Wildlife Conservation in the North-Eastern Cape, South Africa. Part 1. Methods

Item type: Journal Article • Journal: South African Forestry Journal • Authors: A.J. Armstrong --- Department of Nature Conservation, H.J. van Hensbergen --- Department of Nature Conservation, H. Geertsema --- Department of Entomology and Nematology, South Africa

Wildlife conservation evaluations of afforestable Afromontane grasslands are required. The methodology given is for rapid evaluation by a single person with minimal equipment. Grasshoppers, butterflies, birds and small mammals are key taxa for sampling. A survey of these taxa in...

View item »
Chemical Evaluation of Leaf Fibre Residues from Tropical Tree Legumes—a Wealth in Social Perspective

Item type: Journal Article • Journal: South African Forestry Journal • Authors: Sunanda Chanda --- Biological Sciences Division, India S.K. Bhaduri --- Department of Chemistry and Microbiology, Jute Technological Research Laboratories, India Sharmistha Das --- Biological Sciences Division, India D. Sardar --- Department of Chemistry and Microbiology, Jute Technological Research Laboratories, India

Leaf fibre residues obtained as a by-product during bulk extraction of leaf protein meal from three tropical forest trees viz. Albizzia procera Benth., Dalbergia sisso Roxb. and Delonix regia Raf. were analysed for their chemical and mineral composition. The fibres...

View item »
Early Performance of CAMCORE Introductions of Pinus patula in Brazil, Colombia and South Africa

Item type: Journal Article • Journal: South African Forestry Journal • Authors: W.S. Dvorak --- Grinnells Laboratory, USA J.K. Donahue --- Grinnells Laboratory, USA J.A. Vasquez --- Grinnells Laboratory, USA

Seeds were collected from 13 provenances and 282 mother trees of Pinus patula Schiede & Deppe across a 900 km transect from Tamaulipas to Oaxaca, Mexico by the CAMCORE Cooperative, North Carolina State University, USA. Thirty-three provenance/progeny tests were established...

View item »
Plant Nematodes in the Bergplaas Plantation, Western Cape Province with a Description of a New Criconema Species and Notes on Two Known Species of Criconematidae

Item type: Journal Article • Journal: South African Forestry Journal • Authors: Mariette Marais --- National Collection of Nematodes, Biosystematics Division, Esther van den Berg --- National Collection of Nematodes, Biosystematics Division,

During a survey of plant-parasitic nematodes in the Bergplaas Plantation, Western Cape Province, one Acacia melanoxylon compartment, seven Pinus compartments and twenty-two pockets of indigenous forest and virgin veld were sampled. Criconema, Rotylenchus and Scutellonema species were found at most...

View item »
Fisiologiese blaarabnormaliteite en bolopbrengs by katoen (Gossypium hirsutum L.) soos deur kalium-, kalsium- en boorvoeding beïnvloed

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N. J.J. Combrink --- Navorsingsinstituut vir Tabak en Katoen,

Physiological leaf abnormalities and boll yield of cotton (Gossypium hirsutum L.) as affected by potassium, calcium and boron nutrition. A pot trial with a sand medium and two levels each of K, Ca and B nutrition, factorially arranged, was carried...

View item »
Die invloed van voedingsoplossingkonsentrasie op groei van growweskilsuurlemoen en Troyer citrange saailinge

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. G.K. Coetzee --- Outspan Laboratoriums, Republiek van Suid-Afrika L.C. Holtzhausen --- Departement Tuinboukunde, Republiek van Suid-Afrika R.O. Barnard --- Departement Grondkunde en Plantvoeding, Republiek van Suid-Afrika

In sitruskwekerye word vegetatiewe groei gestimuleer deur die konsentrasie van voedingstowwe in die groeimedium so hoog moontlik te handhaaf. Dit kan egter te hoë konsentrasie teweegbring. In die ondersoek is gevind dat growwe- skilsuurlemoensaailinge (GS) optimaal groei waar sproeibemes was...

View item »
Damage caused by Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) to various cultivars of grain sorghum, Sorghum bicolor (L.) Moench

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa K.L. Pringle --- Department of Entomology and Nematology, Republic of South Africa

Grain sorghum cultivars differed significantly in yield response to natural Chilo partellus infestations over a period two seasons. These differences were ascribed to cultivar characteristics of which differences in length of growing season requirements were the most important. Differences in...

View item »
Resistance of South African maize hybrids to maize streak virus

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G. D.J. van Rensburg --- , Republic of South Africa J.H. Giliomee --- Department of Entomology and Nematology, Republic of South Africa K.L. Pringle --- Department of Entomology and Nematology, Republic of South Africa

Data from maize cultivar trials at Vaalharts over a five-year period were used to evaluate the level of resistance to maize streak virus (MSV) in commercial maize hybrids, and to determine the potential value of such resistance. Maize hybrids presently...

View item »
The effect of plant density on the injuriousness of Busseola fusca (Fuller) (Lepidoptera: Noctuidae) in grain sorghum

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- , Republic of South Africa J. B.J. van Rensburg --- , Republic of South Africa J.H. Giliomee --- Department of Entomology and Nematology, Republic of South Africa

The influence of five different plant densities on whorl damage, internal damage, tillering and yield of grain sorghum under attack by Busseola fusca was evaluated over two seasons, using artificial infestation of three egg batches (90 eggs) per 5-m row...

View item »
Towards costing chemical control of Lantana camara L.

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Erasmus --- Cedara Weeds Laboratory, Plant Protection Research Institute, Department of Agricultural Development, Republic of South Africa J. N.G. Clayton --- , Republic of South Africa

Six herbicide treatments are registered in South Africa for the control of Lantana camara L. (lantana). Three of the treatments were selected for a costing analysis of the initial control of lantana, based on their suitability for specific situations in...

View item »
Die invloed van kultivar, stikstofbemesting en tophoogte op die kwaliteit van oonddroogtabak I. Fisiese kwaliteit en opbrengs

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.J. Malan --- Departement Plantproduksie en Grondkunde, Republiek van Suid Afrika P.S. Hammes --- Departement Plantproduksie en Grondkunde, Republiek van Suid Afrika M.C. Dippenaar --- Navorsingsinstituut vir Tabak en Katoen, Republiek van Suid Afrika

Die toenemende vraag na goeie kwaliteit oonddroogtabak het aanleiding gegee tot navorsing om te bepaal watter rol stikstofbemesting, tophoogte en kultivars speel. Vyf oonddroogtabakkultivars (TL 33, OD86, A4, OD224 en OD212) is in 'n veldproef onderwerp aan drie stikstofbemestingspeile (70,...

View item »
Ultrastructural changes caused by post-emergence herbicides in leaves of bengal wandering jew (Commelina benghalensis L.)

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.I. Ferreira --- , Republic of South Africa C.F. van der Merwe --- Laboratory for Microscopy and Micro-Analysis, Republic of South Africa C.F. Reinhardt --- Department of Plant Production and Soil Science, Republic of South Africa

The leaf surface morphology of C. benghalensis and the ultra structura I changes in C. benghalensis leaves caused by herbicide treatments in combination with adjuvants were studied with electron microscopes. The study indicated u It ra structural changes in treated...

View item »
Development of integrated control strategies for wattle. 1. Utilization of wattle, control of stumps and rehabilitation with pastures

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.L. Campbell --- Cedara Weeds Laboratory, Republic of South Africa R.L. Kluge --- Cedara Weeds Laboratory, Republic of South Africa

Two integrated control strategies were developed for areas where wattle infestations could be utilized. Costing analyses were determined for initial control and four follow-up control operations using chemical control and fire. Efficacy of all treatments was high. Costs were significantly...

View item »
Development of integrated control strategies for wattle. II. Control of unwanted wattle

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.L. Campbell --- Cedara Weeds Laboratory, Republic of South Africa D.C. Naudé --- Cedara Weeds Laboratory, Republic of South Africa R.L. Kluge --- Cedara Weeds Laboratory, Republic of South Africa

Four integrated control strategies were developed for wattle that could not be removed for utilization. In the first two strategies, a combination of mechanical and/or chemical control methods either reduced the wood biomass in situ (fell, stack and burn) or...

View item »
The measurement of low organic matter contents in soils

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.J. Rowell --- Agricultural Laboratory, Ministry of Agriculture, Water and Rural Development, Namibia M.E. Coetzee --- Agricultural Laboratory, Ministry of Agriculture, Water and Rural Development, Namibia

Four methods were compared to measure the small amounts of organic matter present in many Namibian soils and to detect organic amendments added to improve fertility. Two Walkley-Black wet oxidation methods involving titration (WBT-C) and colourimetry (WBC-C) and two loss...

View item »
Suppression of silver-leaf bitter apple (Solanum elaeagnifolium Cav.) by cultivated pasture crops under dry-land conditions: a preliminary study

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.D. Viljoen --- Weed Laboratory, Republic of South Africa V.D. Wassermann --- , Republic of South Africa

Suppression of the weed silver-leaf bitter apple (Solarium elaeagnifolium Cav.) by three pasture species, under dry-land conditions, was studied in a field trial over four seasons in the Free State Province. The pasture crops used were oats (Avena sativa), smuts...

View item »
Host suitability of South African and foreign soybean cultivars to Meloidogyne incognita race 2

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H. Fourie --- , South Africa A.H. McDonald --- , South Africa D. De Waele --- laboratory of Tropical and Crop Improvement, Belgium

Eighty-five local and foreign soybean (Glycine max (L.) Merr.) genotypes, including cultivars and breeding lines, were evaluated for host suitability to Meloidogyne incognita race 2 in two separate greenhouse experiments. In vivo reared M. incognita race 2 second-stage juveniles (J2)...

View item »
Open-top chamber facility to study air pollution impacts in South Africa. Part II: SO₂–drought interactions on yield, photosynthesis and symbiotic nitrogen fixation in soybean

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E Heyneke --- School of Environmental Science and Development, South Africa AJ Strauss --- School of Environmental Science and Development, South Africa RJ Strasser --- Bioenergetics Laboratory, Switzerland GHJ Krüger --- School of Environmental Science and Development, South Africa

South Africa has an extremely energy-intensive economy, resulting in substantial air pollution through its coal-fired power stations. Modelled sulphur dioxide (SO2) concentrations on the central Highveld mostly range between 10 and 50 ppb, exceeding 50 ppb in source areas. Well-watered...

View item »
Phytochemical content, antioxidant capacity and physicochemical properties of pomegranate grown in different microclimates in South Africa

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Asanda Mditshwa --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa OlaniyiA Fawole --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa Fahad Al-Said --- Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultanate of Oman Rashid Al-Yahyai --- Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultanate of Oman UmezuruikeL Opara --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa

We investigated the antioxidant and physicochemical properties of pomegranate (Punica granatum cv. Bhagwa) fruit grown in three microclimates in South Africa. The physicochemical properties of fruit peel and arils differed among the growing locations, including weight and redness color of...

View item »
Preliminary evaluation of the effectiveness of Rhizobium leguminosarum bv. viceae strains in nodulating hairy vetch (Vicia villosa) in the sandy soils of Zimbabwe

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Akinson Tumbure --- Soil Productivity Research Laboratory, Department of Research and Specialist Services, Zimbabwe Menas Wuta --- Department of Soil Science and Agricultural Engineering, Zimbabwe Farai Mapanda --- Department of Soil Science and Agricultural Engineering, Zimbabwe

Hairy vetch (Vicia villosa Roth) is an introduced temperate forage legume in Zimbabwe that has no locally available commercial inoculant. In this study, Rhizobium leguminosarum bv. viceae strains MAR 1504, MAR 833 and MAR 346 available in Zimbabwe's strain bank...

View item »
Effects of storage conditions on transpiration rate of pomegranate aril-sacs and arils

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Wilhelmina V Aindongo --- Department of Food Science, Faculty of AgriSciences, South Africa Oluwafemi J Caleb --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa Pramod V Mahajan --- Department of Horticultural Engineering, Germany Marena Manley --- Department of Food Science, Faculty of AgriSciences, South Africa Umezuruike L Opara --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa

This study investigated the effects of temperature (5, 10, 15 and 22 °C) and relative humidity (RH) (76%, 86% and 96%) on the transpiration rate (TR) of pomegranate (Punica granatum L.) cv. Bhagwa fruit fractions, namely arils and aril-sac. Both...

View item »
LETHUMPHAGA

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: N.M. RANGOATO L.L. Mphahlele

View item »
The end of ubuntu

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Bernard Matolino --- Philosophy, South Africa Wenceslaus Kwindingwi --- , South Africa

Since the advent of democracy in South Africa, there has been a concerted effort at reviving the notion of ubuntu. Variously conceived, it is seen as the authentic African ethical concept, a way of life, an authentic mode of being...

View item »
I. COMPARISON OF RESISTANCE OF SIX TIMBERS TO SULPHURIC ACID

Item type: Journal Article • Journal: Journal of the South African Forestry Association • Authors: MariaG. Breyer --- Chamber of Mines Timber Research Laboratory, C.H. Banks --- ,

Part I describes the relative effect of 3.0 per cent sulphuric acid on six timbers. These were tested by the following combination of methods at atmospheric temperature:—

View item »
EFFECT OF SULPHURIC ACID ON THE PROPERTIES OF TIMBERS: II. RESISTANCE OF OCOTEA USAMBARENSIS Engl., EAST AFRICAN CAMPHOR, TO SULPHURIC ACID

Item type: Journal Article • Journal: Journal of the South African Forestry Association • Authors: MariaG. Breyer --- Chamber of Mines Timber Research Laboratory, C.H. Banks --- ,

Part II gives the results of similar tests on East African Camphor compared with the timbers dealt with in Part 1.

View item »
PARTICLE BOARD FROM WATTLE WOOD AND WATTLE TANNIN

Item type: Journal Article • Journal: Journal of the South African Forestry Association • Authors: J.R. Parrish --- National Chemical Research Laboratory,

An adhesive for the bonding of particle board has been made from wattle extract and formaldehyde. Particle board has been made from Acacia mollissima with this adhesive, and its properties have been studied and compared with those of other chipboard.

View item »
BOOK REVIEWS

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: F.M. Chutter --- Regional Labotatory, J.U. Grobbelaar --- ,

View item »
EVIDENCE OF FISH SURVIVAL DURING HABITAT DESSICATION IN RHODESIA

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.G. Donnelly --- Rhodes Matopos National Park, Department of National Parks and Wildlife Management,

View item »
NUTRIENTS AND THE PRODUCTIVITY OF ESTUARINE AND COASTAL MARINE ECOSYSTEMS

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: S.W. Nixon --- Marine Ecosystems Research Laboratory, United States of America C.A. Oviatt --- Marine Ecosystems Research Laboratory, United States of America J. Frithsen --- Marine Ecosystems Research Laboratory, United States of America B. Sullivan --- Marine Ecosystems Research Laboratory, United States of America

Recent research on estuarine and coastal marine systems has revealed two particularly interesting things about nutrients and productivity. First is the observation that these areas are among the most intensively fertilized environments on earth. Second is the common finding that...

View item »
BEHAVIOUR OF A RADIO-TAGGED TILAPIA RENDALLI BOULENGER IN LAKE NGEZI, ZIMBABWE

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: CharlesH. Hocutt --- Horn Point Environmental Laboratories, United States of America

The behaviour of a single specimen of Tilapia rendalli Boulenger was observed June through October 1986 in Lake Ngezi, Zimbabwe, by the use of a surgically-implanted radiotransmitter. The individual displayed a distinct homing response on two occasions, returning to the...

View item »
Possessive genitives in English: a discourse perspective

Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: JohnR. Taylor --- Language Laboratory, Republic of South Africa

'n Diskoersperspektief oor possessiewe uitdrukkings (soos John's car, the president's assassination, last year's election, ensovoorts) in Engels is aangebied. Daar is geredeneer dat die genitiewe nominaal soos 'n soort topic fungeer deurdat die konstruksie se hoofnaamwoord ‘gegrondeer’ word deur die...

View item »
A problem with synonyms (and a way to a solution)

Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: JohnR. Taylor --- Language Laboratory, Republic of South Africa

Die ‘probleem’ wat in hierdie artikel ondersoek word, is die verskynsel dat woorde wat dikwels as sinonieme beskou word, nogtans verskil ten opsigte van hulle distribusie. Die fenomeen word geïllustreer deur die Engelse woorde high en tall. Korpusdata wys daarop...

View item »
Polisemisasiepatrone in die Engelse voorstelsels

Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: JohnR. Taylor --- Language Laboratory, Republic of South Africa

Voorsetsels in Engels is van die leksikale items wat die meeste polisemiese waardes bevat. In hierdie artikel hanteer ek nie die spektrum van betekeniswaardes van 'n enkele voorsetsel nie, maar fokus op die uitbreiding van betekenis wat voorsetsels as 'n...

View item »
Om te dink om te weet om te sê: 'n Psigologiese studie van proposisionele houdingswerkwoorde

Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: C. Golder --- Laboratoire de Psychologie du Language, Poitiers Cedex P. Coirier --- Laboratoire de Psychologie du Language, Poitiers Cedex

Proposisionele houdingswerkwoorde wat deur proefpersone beoordeel is, het drie semantiese dimensies aan die lig gebring: die graad van sprekerbetrokkenheid in die diskoers; die graad van sprekeroortuiging; en die kommunikatiewe teenoor die repre-sentatiewe inhoud van die werkwoord. Daar is vasgestel dat...

View item »
Possessives and the Learnability Problem

Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: JohnR. Taylor --- Language Laboratory, Rep. of South Africa

Generaliewe taalkundiges verwys dikwels na die sogenaamde “leerbaarheids-paradoks”. Die beginsels wat deur generaliewe grammatika gepostuleer word, word veronderstel om 'n aspek van 'n moederspreker se linguistiese kennis te verteenwoordig. Tog is die beginsels so abstrak, dot daar nie na regie...

View item »
EDITORIAL

Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: S. J.M. Blaber --- CSIRO Division of Fisheries Marine Laboratories, Australia

View item »
A line‐based vegetation sampling technique and its application in succulent karoo

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C.J. Stokes --- Department of Botany and UNP/FRD Research Unit for Plant Growth and Development, Republic of South Africa R.I. Yeaton --- Department of Botany and UNP/FRD Research Unit for Plant Growth and Development, Republic of South Africa

A plotless vegetation sampling technique (ellipse‐intercept method) is described and its accuracy and precision compared by simulation models with two other line‐based techniques: line‐intercept and a point‐intercept method (which measure species covers). The ellipse‐intercept method provides three measures of plant...

View item »
Community dynamics and phytomass of herbaceous species in the Sudaniansavanna-woodlands of Burkina Faso: short-term impact of burning season

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: SD Dayamba --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden P Savadogo --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden L Sawadogo --- Département Productions Forestières, Burkina Faso D Tiveau --- , République Démocratique du Congo D Zida --- Département Productions Forestières, Burkina Faso M Tigabu --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden PC Oden --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden

Fire is important for the maintenance and conservation of African savanna ecosystems, and prescribed fire is used in the Sudanian savanna-woodlands of West Africa as a forest management tool. Yet, the effects of fire on savanna ecosystems and especially on...

View item »
Plant nematodes in the Lottering Plantation, Eastern Cape Province

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Mariette Marais --- National Collection of Nematodes, Biosystematics Division, Antoinette Swart --- National Collection of Nematodes, Biosystematics Division,

During a survey of plant nematodes in the Lottering Plantation, Eastern Cape Province, thirteen Pinus compartments, six indigenous forest and eight Fynbos areas were sampled. The nematode genera Helicotylenchus and Scutellonema were the most common whereas Criconema, Hemicycliophora, Mesocriconema, Tylenchorhynchus,...

View item »
Applications of in vitro methods to Eucalyptus germplasm conservation

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: M.P. Watt --- , D.J. Mycock --- Department of Animal, Plant and Environmental Sciences, F.C. Blakeway --- Mountain Home Laboratories, P. Berjak --- ,

For forestry species that require large tracts of land for conservation stands, in vitro storage methods such as minimal growth cultures or cryopreservation can provide a cost- and space-effective ex situ conservation approach. As protocols for the micropropagation of Eucalyptus...

View item »
A survey of the plant parasitic nematodes associated with Pinus patula in selected plantations in the Eastern Cape Province

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Antoinette Swart --- National Collection of Nematodes, Biosystematics Division,

During November 1997 a plant parasitic nematode survey was conducted in the plantations of the North East Cape Forests (NECF), situated between Maclear and Ugie in the Eastern Cape Province, South Africa. No plant parasitic nematodes were found in the...

View item »
Influence of finger-joint geometry and end pressure on tensile properties of three finger-jointed Tropical African Hardwoods

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J. Ayarkwa --- Bio-materials Engineering Laboratory, Japan Y. Hirashima --- Bio-materials Engineering Laboratory, Japan Y. Sasaki --- Bio-materials Engineering Laboratory, Japan M. Yamasaki --- Bio-materials Engineering Laboratory, Japan

Three tropical African hardwoods, Obeche (Triplochiton scleroxylon), Makore (Tieghemella heckelii) and Moabi (Baillonella toxisperma), were finger-jointed using three different finger profile geometries, three different end pressures, and resorcinol formaldehyde adhesive, with a view to assessing the effect of these factors...

View item »
Predicting ultimate tensile and bending strengths of three finger-jointed tropical African hardwoods using acoustic emissions

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J. Ayarkwa --- Bio-material Engineering Laboratory, Japan Y. Hirashima --- Bio-material Engineering Laboratory, Japan K. Ando --- Bio-material Engineering Laboratory, Japan Y. Sasaki --- Bio-material Engineering Laboratory, Japan

The acoustic emissions behaviour of finger-joints from three tropical African hardwoods, Obeche (Triplochiton scleroxylon), Makore (Tieghemella heckelii) and Moabi (Baillonella toxisperma) were examined with a view to establishing their potential usefulness for non-destructively predicting ultimate tensile and bending strengths. Stress...

View item »
Domestic Workers' Experiences of Power and Oppression in South Africa

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fiona M. Donald --- School of Human and Community Development, University of the Witwatersrand, Lerato Mahlatji --- School of Human and Community Development, University of the Witwatersrand,

This study examines the work experiences of domestic workers in the context of socio-economic-political legislation promulgated to protect their social rights in the new South Africa. It gains insight into the power relations and embedded tensions between employers and domestic...

View item »
Parenting Styles Affecting the Social Behaviour of Five-Year Olds

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Natacha Latouf --- Evergreen Pre-primary, Munita Dunn --- University of Stellenbosch,

The main aim of the study was to explore the relationship between parenting styles as a correlate of social behaviour among five-year olds. Participants were 30 parents of 25 pre-primary students of a school in Northern Province of South Africa,...

View item »
Ubuntu-Oriented Therapy: Prospects for Counseling Families Affected with HIV/AIDS in sub-Saharan Africa

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gideon A. J. van Dyk --- Stellenbosch University, Matshepo Matoane --- University of South Africa,

The aim of this article is to discuss Ubuntu therapy as a healing model for families affected by HIV/AIDS in Africa. The discussion focuses on an explication of the Ubuntu philosophy, the aim of Ubuntu therapy, the process of Ubuntu...

View item »
Measuring the Academic Self-Efficacy of Students at a South African Higher Education Institution

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sheila N. Matoti [AN0001]

The study assessed the academic self-efficacy of newly enrolled undergraduate students attending a higher education institution in South Africa (n = 315, females = 53.6%). Data were collected using the students enrolled for science related majors. An existing Academic Behavioural...

View item »
Breast Cancer Health Beliefs and Perceived Barriers to Self-Examination Amongst Hindu Women in South Africa

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Catherine Govender --- University of South Africa, Prashilla Soma --- University of Pretoria, Leeana Persad --- University of Witwatersrand, Julie Moodley --- National Health Laboratory Services, Vinay Rajah --- , South Africa

This study explored the breast cancer health beliefs and perceived barriers to breast self-examination of South African Hindu women. Participants were 68 Hindu women (mean age = 39.36 years SD=13.42) from two South African cities. They completed the Champion's Health...

View item »
TORSION-FREE ABELIAN GROUPS WITH FINITE RANK ENDOMORPHISM RINGS

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H. Pat Goeters --- Department of Algebra, Combinatorics And Analysis, 120 Mathematics Annex, USA

We show that if A and C are torsion-free abelian groups with ∩{ker f|f: A → C} = 0 = ∩{ker g|g: C → A}, and if A has a left Artinian quasi-endomorphism ring then A and C share a...

View item »
ON PROJECTIVE MOTION IN FINSLER SPACES II

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. P. Singh --- Department of Mathematics, Egerton University, Njoro, Kenya, J. K. Gatoto --- Department of Mathematics, Egerton University, Njoro, Kenya,

K. Takano [4] in a series of papers has studied and developed affine motion in non-Riemannian K*-spaces. R.S. Sinha [6] has studied affine motions in recurrent Finsler spaces. The existence of projective motion in a symmetric Finsler space was discussed...

View item »
STRONGLY SEQUENTIALLY CONTINUOUS FUNCTIONS

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A. Borichev --- Laboratoire de Mathématiques, France R. Deville --- Laboratoire de Mathématiques, France E. Matheron --- Laboratoire de Mathématiques, France

Given a topological abelian group G, we study the class of strongly sequentially continuous functions on G. Strong sequential continuity is a property intermediate between sequential continuity and uniform sequential continuity, which appeared naturally in the study of smooth functions...

View item »
Equivalence domination in graphs

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. Arumugam --- Core Group Research Facility (CGRF), National Centre for Advanced Research in Discrete Mathematics (n-CARDMATH), India Mustapha Chellali --- LAMDA-RO Laboratory, Department of Mathematics, Algeria TeresaW. Haynes --- Department of Mathematics, USA

For a graph G = (V, E), a subset S ⊆ V (G) is an equivalence dominating set if for every vertex v ∈ V (G) \ S, there exist two vertices u, w ∈ S such that the subgraph...

View item »
The protective effect of male circumcision on HIV infection in a sample of Kenyan men

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: YanyiK Djamba LaToyaS Davis

This article examines the association between male circumcision and HIV infection in a national sample. The analysis is based on the 2003 Kenya Demographic and Health Survey (KDHS), a nationally representative household-based population survey of adults, in which male respondents...

View item »
Developing visual images for communicating information aboutantiretroviral side effects to a low-literate population

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ros Dowse --- Faculty of Pharmacy, South Africa Thato Ramela --- Faculty of Pharmacy, South Africa Kirsty-Lee Barford --- Faculty of Pharmacy, South Africa Sara Browne --- , United States

The side effects of antiretroviral (ARV) therapy are linked to altered quality of life and adherence. Poor adherence has also been associated with low health-literacy skills, with an uninformed patient more likely to make ARV-related decisions that compromise the efficacy...

View item »
Why do some South African ethnic groups have very high HIV rates and others not?

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Chris Kenyon --- Department of Medicine, Division of Infectious Diseases and HIV Medicine, Observatory, South Africa Sizwe Zondo --- Department of Psychology, ASCENT Laboratory, Rondebosch, South Africa

The differences in HIV prevalence between South Africa's racial/ethnic groups (19.9%, 3.2%, and 0.5% among 15–49-year-old blacks, coloureds and whites, respectively) are as big as those between the countries with the highest and lowest levels of HIV prevalence worldwide. These...

View item »
A narrative review of research on the effects of physical activity on people living with HIV and opportunities for health promotion in disadvantaged settings

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Clemens Ley --- , South Africa María Rato Barrio --- , South Africa

The article explores different types and effects of physical activity for people living with HIV. Considering the lack of studies done in African contexts and the disparity between research settings and natural settings, a narrative review of the literature was...

View item »
HIV-seroprevalence among pulmonary tuberculosis patients in a tertiary care hospital in Douala, Cameroon

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Bertrand Hugo Mbatchou Ngahane --- Douala General Hospital, Cameroon Henry Luma --- Douala General Hospital, Cameroon Yacouba Mapoure Njankouo --- Douala General Hospital, Cameroon Martine Nida --- Faculty of Medicine and Pharmaceutical Sciences, Cameroon Achu Joko --- Douala General Hospital, Cameroon Marthe Mbenoun --- Faculty of Medicine and Pharmaceutical Sciences, Cameroon Samuel Wato --- Douala General Hospital, Cameroon Albert Mouelle Sone --- Douala General Hospital, Cameroon

A retrospective study was carried out at Douala General Hospital, Cameroon, between July 2007 and July 2011, to determine the prevalence of HIV infection among the pulmonary tuberculosis (pTB) patients and to compare epidemiological profiles with respect to TB/HIV co-infection...

View item »
Biological control of Salvinia molesta in some areas of Moremi Game Reserve, Botswana

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: KC Naidu I Muzila I Tyolo G Katorah

The Curculionid weevil, Cyrtobagous salviniae Calder & Sands, has been established on Salvinia molesta (salvinia) in Botswana. The study determined the intensity of weevil activity on the weed at the margin and the centre of four selected sites on the...

View item »
Heavy metal and faecal bacterial contamination of urban lakes in Yaoundé, Cameroon

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: J Demanou --- Laboratory of General Biology, Cameroon RE Brummett --- , Cameroon

Concentrations of faecal bacteria and heavy metals (Cr, Cd, Hg, Pb and Zn) were measured in fish, mud and water from two urban lakes in Yaoundé, Cameroon. The mean densities of faecal coliforms (FC) and faecal streptococ ci (FS) in...

View item »
Reproductive strategy of Labeo senegalensis Valenciennes 1842 (Teleostei: Cyprinidae) in the Ouémé basin, Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E Montchowui --- Behavioural Biology Unit and Laboratory of Fish Demography and Hydroecology, Belgium P Lalèyè --- Laboratory of Hydrobiology and Aquaculture, Benin P Poncin --- Behavioural Biology Unit and Laboratory of Fish Demography and Hydroecology, Belgium J-C Philippart --- Behavioural Biology Unit and Laboratory of Fish Demography and Hydroecology, Belgium

Aspects of the reproductive biology and population structure of Labeo senegalensis were investigated in the Ouémé River between April 2005 and March 2006. Reproductive strategy was investigated using gonadosomatic index, ovarian structure and fecundity. Average size-at-first-maturity (L 50) was estimated...

View item »
Influence of drought and flooding on the colonisation of floodplain pans by riverine fish in the Zimbabwean lowveld

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Barson --- Laboratory of Aquatic Ecology and Evolutionary Biology, Belgium T Nhiwatiwa --- , Zimbabwe

View item »
Distribution, abundance and diversity of macrozoobenthos in Aiba Reservoir, Iwo, Nigeria

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OE Atobatele --- Department of Biological Sciences, Nigeria OA Ugwumba --- Department of Zoology, Nigeria

Spatial and seasonal variation in macrozoobenthic composition, abundance and diversity in Aiba Reservoir were investigated bimonthy between June 2004 and April 2005 using a van Veen grab. A depauperate fauna of nine taxa was recorded. Generally, larger numbers of taxa...

View item »
Water quality assessment and application of the biological diatom index in the Kebir-East wadi, Algeria

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Chaïb --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria J Tison-Rosebery --- Cemagref Bordeaux, France

A total of 118 benthic diatom taxa were recorded during a survey in 2007 of the Kebir-East wadi, north-eastern Algeria. Fourteen samples were collected at seven sampling stations in winter and summer. The majority of diatom taxa comprised cosmopolitan species...

View item »
Seasonal distribution of phytoplankton in the Aby lagoon system, Ivory Coast, West Africa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NM Seu-Anoï --- Laboratoire d’Environnement et de Biologie Aquatique, Côte d'lvoire A Ouattara --- Laboratoire d’Environnement et de Biologie Aquatique, Côte d'lvoire YJ-M Koné --- Laboratoire d’Environnement et de Biologie Aquatique, Côte d'lvoire G Gourène --- Laboratoire d’Environnement et de Biologie Aquatique, Côte d'lvoire

Seasonal variability of phytoplankton species composition, abundance and physical and chemical factors influencing phytoplankton dynamics were investigated in the Aby lagoon system, south-eastern Ivory Coast, covering the main climatic seasons in 2006–2007. Seasonal and spatial variability of nutrient concentrations in...

View item »
Low genetic differentiation among morphologically distinct Labeobarbus species (Teleostei: Cyprinidae) in the Lake Victoria and Albertine basins, Uganda: insights from mitochondrial DNA

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: VB Muwanika --- Molecular Biology Laboratory, Institute of Environment and Natural Resources, Uganda MF Nakamya --- Department of Anatomy, Faculty of Veterinary Medicine, Uganda J Rutaisire --- , Uganda B Sivan --- Department of Animal Sciences, Israel C Masembe --- Molecular Biology Laboratory, Institute of Environment and Natural Resources, Uganda

Labeobarbus altianalis and L. bynni bynni are hexaploid cyprinid fishes in the genus Labeobarbus. In the Great Lakes region of Africa, these two large-bodied barbs exhibit considerable morphological variations. Their intraspecific classification, currently based on geographical distribution and morphological variation,...

View item »
Histological assessment of gonad maturation in Labeo parvus (Teleostei: Cyprinidae) in Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E Montchowui --- Ecole Nationale Supérieure des Sciences et Techniques Agronomiques de Kétou, République du Bénin P Compère --- Functional and Evolutive Morphology Laboratory, Belgium M Thiry --- Laboratory of Cell and Tissue Biology, Belgium P Lalèyè --- Laboratory of Hydrobiology and Aquaculture, Faculty of Agricultural Sciences, Republic of Benin J-C Philippart --- Behavioural Biology Unit, Belgium P Poncin --- Behavioural Biology Unit, Belgium

A histological analysis was undertaken on the gonad development of Labeo parvus Boulenger 1902, a medium-sized cyprinid from the Ouémé River, Benin. Samples were collected monthly between April 2006 and March 2007 and were examined using routine macroscopic and histological...

View item »
Validation of the periodicity of growth increment deposition in otoliths from the larval and early juvenile stages of two cyprinids from the Orange–Vaal river system, South Africa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BR Paxton --- Water Research Group (Ecology), School of Environmental Sciences and Development, Potchefstroom Campus, South Africa GC O'Brien --- Water Research Group (Ecology), School of Environmental Sciences and Development, Potchefstroom Campus, South Africa JA Slingsby --- South African Environmental Observatory Network, South Africa R Copin --- Zoology Department, South Africa

This study tested the hypothesis that growth increments in larval largemouth yellowfish Labeobarbus kimberleyensis and smallmouth yellowfish L. aeneus from the Orange–Vaal river system, South Africa, are deposited daily. The periodicity of increment formation was determined by regular sampling and...

View item »
Temporal variations in the food habits of some fish species in Lake Nokoué, Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: P Gnohossou --- Laboratoire d’Hydrobiologie et Aquaculture, Bénin P Lalèyè --- Laboratoire d’Hydrobiologie et Aquaculture, Bénin P Atachi --- Laboratoire d’Hydrobiologie et Aquaculture, Bénin G Magali --- Laboratoire EcoLab, UMR 5245 CNRS-UPS-INPT, France MC Villanueva --- Laboratoire d’Agronomie, Environnement et Écotoxicologie, France J Moreau --- Laboratoire d’Agronomie, Environnement et Écotoxicologie, France

Stomach contents of the 12 most abundant fish species in Lake Nokoué, Benin, collected between 2003 and 2005, were analysed for temporal variations in their diet. Several species showed seasonal shifts in their diets based on benthic prey abundance and...

View item »
Effects of 17-α-estradiol on a free-living marine nematode community: a microcosm experiment

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Essid --- Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Tunisia F Boufahja --- Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Tunisia H Beyrem --- Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Tunisia P Aïssa --- Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Tunisia E Mahmoudi --- Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Tunisia

A microcosm experiment was used to examine the effects of 17-α-estradiol on a nematode community. Four 17-α-estradiol concentrations (0.15, 0.31, 0.62 and 1.24 ppm) were tested, and effects were examined after 30 days. Significant differences were noted between nematode assemblages...

View item »
SHORT NOTES

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: G.R. McLachlan --- , R. Liversidge --- , P. Zoutendyk --- Dept. of Zoology, M.B. Markus --- , J.M. Winterbottom --- , A.D. Boddam-Whetha --- , W.F. Quinton --- , J.M. Winterbottom --- Chairman: South African National Section International Committee for Bird Preservation, F.W. Preston --- Preston Laboratories, I.H. Dillingham --- ,

View item »
THE REACTION OF THE GONADS TO LENGTHENING DAYS IN NORTHERN BIRDS, MIGRATING FAR BEYOND THE EQUATOR

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: G.J. van Oordt --- Zoological Laboratory, Dept. of Endocrinology, Netherlands

View item »
AFRICAN TICKS AND BIRDS

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gertrud Theiler --- Veterinary Research Laboratories,

View item »
SHORT NOTES

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: W.J. Lawson --- , W. D.L. Ride --- , A.J. Cain --- Dept. of Zoology and Comparative Anatomy, C.J. Uys --- , G.J. Broekhuysen --- , J. Martin --- , J.G. Macleod --- , J. M.E. Took --- , A. Findlay --- , W.J. Lawson --- , P.A. Clancey --- , W.J. Lawson --- , T. C. L. Symmes --- , Northern Rhodesia C.W. Benson --- , Northern Rhodesia J.M. Winterbottom --- Percy FitzPatrick Institute of African Ornithology, J.M. Winterbottom E. Middlemiss CharlesG. Sibley --- , U.S.A. A. J. M. Carnegie --- Department of Conservation and Extension, J.M. Winterbottom --- , J.M. Winterbottom --- , J.M. Winterbottom --- , B. Carp --- , Isobel Taylor --- , J.M. Winterbottom --- ,

View item »
BREEDING SCHEDULES AND FEEDING STRATEGIES OF SEYCHELLES SEABIRDS

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: ChristopherJ. Feare --- Worplesdon Laboratory, U.K.

Feare, Christopher J. 1981. Breeding schedules and feeding strategies of Seychelles sea-birds. Ostrich 52:179–185.

View item »
Short Notes

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: H.G. Robertson --- , South Africa G.W. Begg --- , JamesA. Dick --- Department of Ornithology, Canada Françoise Dowsett-Lemaire --- Laboratory of Ethology, Belgium J.R. Wilson --- , Botswana P. A. R. Hockey --- , South Africa J.C. Sinclair --- , South Africa

View item »
SHORT NOTE

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A.J. Bezuidenhout --- Department of Anatomy, Faculty of Veterinary Science,

View item »
STUDIES OF A BREEDING POPULATION OF WALLER'S REDWLNGED STARLINGS IN MONTANE FORESTS OF SOUTH-CENTRAL AFRICA

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: F. Dowsett-Lemaire --- Laboratory of Ethology, Liège

Dowsett-Lemaire, F. 1983. Studies of a breeding population of Waller's Redwinged Starlings in montane forests of south-central Africa. Ostrich. 54:105-112.

View item »
SHORT NOTES

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: R.K. Schmidt --- , Hans Utschick --- Lehrstuhl für Landschaftstechnik, München 40 Roland Brandl --- Roland Brandl, Bayreuth David Cameron Duffy --- Percy FitzPatrick Institute of African Ornithology, South Africa Anita Rudolf --- , Namibia A.K. Whitfield --- Institute for Freshwater Studies, South Africa Dirk Draulans --- Laboratory of Ecology and Fauna Management, Belgium

View item »
COMPARISON OF COMMUNICATION AND SIGNALLING PATTERNS OF WHITEBROWED SPARROWWEAVERS AND OTHER GREGARIOUS PLOCEID WEAVERS

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: J. W. H. Ferguson --- George Evelyn Hutchinson Laboratory, Zoology Department, South Africa

Ferguson, J. W. H. 1988. Comparison of communication and signalling patterns of Whitebrowed Sparrowweavers and other gregarious ploceid weavers. Ostrich 59: 54–62.

View item »
POPULATION DYNAMICS OF BIRDS IN A NORTHEASTERN GABON FOREST

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A. BROSSET --- Laboratoire d'écologie generale du Muséum National d'Histoire Naturelle, France

Brosset, A. 1989. Population dynamics of birds in a northeastern Gabon forest. Ostrich suppl. 14: 1–6.

View item »
THE LEUCOCYTOZOIDAE OF SOUTH AFRICAN BIRDS. REDESCRIPTION OF LEUCOCYTOZOON STRUTHIONIS WALKER, 1912

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: GordonF. Bennett --- International Reference Centre for Avian Haematozoa, Canada FritzW. Huchzermeyer --- Department of Pathology, Republic of South Africa WillemP. Burger --- , Republic of South Africa RoyA. Earlé --- Department of Parasitology, Faculty of Veterinary Science, Republic of South Africa

Bennett, G.F., Huchzermeyer, F.W., Burger, W.P. & Earle, R.A., 1992. The Leucocytozoidae of South African Birds. Redescription of Leucocytozoon struthionis Walker, 1912. Ostrich 63:83-85.

View item »
SHORT NOTES

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: LG Underhill --- A vian Demography Unit, Department of Statistical Sciences, South Africa YolandaM. van Heezik --- Percy FitzPatrick Institute of African Ornithology, Cape Town PhilipJ. Seddon --- Percy FitzPatrick Institute of African Ornithology, Cape Town Gerard Malan --- Fitz Patrick Institute, South Africa Genevieve Learmonth --- Cytopathology Laboratory, South Africa R. Braby --- , Namiiu S.J. Braby --- , Namiiu R.E. Simmons --- , Namiiu D.H. de Swardt --- Department of Ornithology, South Africa P.J. Buys --- , South Africa D.H. de Swardt --- , South Africa N. Bothma --- , South Africa

View item »
MALARIA IN WILD AND CAPTIVE JACKASS PENGUINS SPHENISCUS DEMERSUS ALONG THE SOUTHERN AFRICAN COAST

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: J-J. Brossy --- Department of Anatomy & Cell Biology, South Africa

Brossy, J-J. 1992. Malaria in wild and captive Jackass Penguins Spheniscus demersus along the southern African coast. Ostrich 63: 10–12.

View item »
DISTRIBUTION OF NEST PREPARATION TASKS BETWEEN MATES OF THE REDBILLED HORNBILL TOCKUS ERYTHRORHYNCHUS

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Moussa Sega Diop --- Animal Biology Department, Senegal Bernard Treca --- Ornithology laboratory, Senegal

Diop, M.S. & Treca, B. 1996. Distribution of nest preparation tasks between mates of the Redbilled Hornbill Tockus erythrorhynchus. Ostrich 67: 55–59.

View item »
Philopatry and faithfulness to nest site in Cory's Shearwaters Calonectris diomedea at Selvagem Grande

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: J.-L. Mougin --- Museum national d'Histoire naturelle, Laboratoire de Zoologie (Mammiferes et Oiseaux), France J.P. Granadeiro --- , Portugal Chr. Jouanin --- Museum national d'Histoire naturelle, Laboratoire de Zoologie (Mammiferes et Oiseaux), France F. Roux --- Museum national d'Histoire naturelle, Laboratoire de Zoologie (Mammiferes et Oiseaux), France

Mougin, J.-L., Granadeiro, J. P., Jouanin, C. & Roux, F. 1999. Philopatry and faithfulness to nest site in Cory's Shearwaters Calonectris diomedea at Selvagem Grande. Ostrich 70 (3&4): 229–232.

View item »
Experiments on competition between Great and Blue Tit: Effects on Blue Tit reproductive success and population processes

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: AndréA. Dhondt --- Laboratory of Ornithology, USA Frank Adriaensen --- Department of Biology, UIA, Belgium

Dhondt, A.A. & Adriaensen, F. 1999. Experiments on competition between Great and Blue Tit: Effects on Blue Tit reproductive success and population processes. In: Adams, N.J. & Slotow, R.H. (eds) Proc. 22 Int. Ornithol. Congr., Durban. Ostrich 70 (1): 39–48.

View item »
A new subspecies of the Red-billed Hornbill, Tockus erythrorhynchus, from West Africa

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bernard Treca --- Laboratoire d'Ornithologie, IRD, Dakac Senegal, Christian Erard --- Laboratoire d'Ecologie generale, UMR8571 CNRS-MNHN, Brunoy, France,

Trea, B. & Erord, C. 2000. A new subspecies of the Red-billed Hornbill, Tockus erythrorhynchus, from West Africa. Ostrich 71 (3&4):363-366. The Red-billed Hornbill, Tockus erythrorhynchus (Temminck), over most of its distribution range, has pale yellow or pink facial skin. However,...

View item »
Developing National Conservation Programmes through the IBA Process

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ato Tilaye Nigussie --- , Ethiopia Yilma Dellelegn --- ,

Nigussie, A.T. & Dellelegn, Y. 2000. Developing national conservation programmes through the IBA process. Ostrich 71(1 & 2): 162–163.

View item »
Ethiopian Wildlife and Natural History Society, the Important Bird Areas Programme and other projects

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ato Tilaye Nigussie --- , Ethiopia

Nigussie. A.T. 2000. Ethiopian Wildlife and Natural History Society, the Important Bird Areas Programme and other projects. Ostrich 71 (1 & 2): 181–182.

View item »
The importance of genetic variation for the viability of small avian populations—the Seychelles Warbler and the African Marsh Warbler

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: C.M. Eising --- Zoological Laboratory, The Netherlands K.B. Blaakmeer --- Zoological Laboratory, The Netherlands J. Komdeur --- Zoological Laboratory, The Netherlands

Eising, C.M., Blaakmeer, K.B. & Komdeur, J. 2000. The importance of genetic variation for the viability of small avian populations—the Seychelles Warbler and the African Marsh Warbler. Ostrich 71 (1 & 2): 304–306.

View item »
Rooting the Dodo Raphus cucullatus Linnaeus 1758 and the Solitaire Pezophaps solitaria Gmelin 1789 within the Ornithurae: a cladistic reappraisal

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Anwar Janoo --- Laboratoire de PalPontologie, France

Janoo, A. 2000. Rooting the Dodo Raphus cucullatus Linnaeus 1758 and the Solitaire Pezophaps solitaria Gmelin 1789 within the Omithurae: a cladistic reappraisal. Ostrich 71 (1 & 2): 323–329.

View item »
Status and Conservation of Prince Ruspoli's Turaco Tauraco ruspolii

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Luca Borghesio --- , Italy Renato Massa --- , Italy

Borghesio, L. & Massa, R. 2000. Status and conservation of Prince Ruspoli's Turaco Tauraco tuspolii. Ostrich 71 (1 & 2): 355–358.

View item »
Sexual selection and conservation: a Palearctic-African perspective

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A. Pape Møller --- Laboratoire d'Ecologie, CRNS, URA 258,

Møller, A. Pape. 2000. Sexual selection and conservation: a Paleartic-African perspective. Ostrich 71 (1): 361

View item »
Congo Peafowl use both primary and regenerating forest in Salonga National Park, Democratic Republic of Congo

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: M Mulotwa --- Laboratoire LEGERA, Département d'Ecologie et Gestion des Ressources Animales et Végétales, Faculté des Sciences (Biologie), Democratic Republic of Congo M Louette --- Zoology Department, Belgium A Dudu --- Laboratoire LEGERA, Département d'Ecologie et Gestion des Ressources Animales et Végétales, Faculté des Sciences (Biologie), Democratic Republic of Congo A Upoki --- Laboratoire LEGERA, Département d'Ecologie et Gestion des Ressources Animales et Végétales, Faculté des Sciences (Biologie), Democratic Republic of Congo RA Fuller --- , Australia

The Congo Peafowl Afropavo congensis is a little-known species endemic to the Democratic Republic of Congo. A central question in assessing its conservation status is the degree to which it uses secondary forest. Here, we measure relative use of two...

View item »
Breeding ecology of the Purple Heron Ardea purpurea in Numidia, north-eastern Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Riad Nedjah --- Laboratoire de Recherche et de Conservation des Zones humides, Département de Biologie, Algeria Abdenour Boucheker --- Laboratoire de Recherche et de Conservation des Zones humides, Département de Biologie, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones humides, Département de Biologie, Algeria Rachid Menai --- Laboratoire de Recherche et de Conservation des Zones humides, Département de Biologie, Algeria Ahmed Alfarhan --- Center of Excellence for Research in Biodiversity, Saudi Arabia KhaledAS Al-Rasheid --- Center of Excellence for Research in Biodiversity, Saudi Arabia Boudjéma Samraoui --- Laboratoire de Recherche et de Conservation des Zones humides, Département de Biologie, Algeria

During 2002–2007, we assessed the status of the Purple Heron Ardea purpurea in Numidia, Algeria by surveying all the major wetlands in the region. We located six distinct breeding sites; four of these were not previously known. We also investigated...

View item »
Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Petr Procházka --- , Czech Republic Jiří Reif --- Department of Zoology and Laboratory of Ornithology, Faculty of Science, Czech Republic David Hořák --- Department of Ecology, Faculty of Science, Czech Republic Petr Klvaňa --- , Czech Republic RaymondW Lee --- School of Biological Sciences, USA Elizabeth Yohannes --- , Germany

View item »
Connectivity between the Algerian population of Greater Flamingo Phoenicopterus roseus and those of the Mediterranean basin

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdennour Boucheker --- , France Boudjéma Samraoui --- Laboratoire de recherche et de conservation des zones humides, Saudi Arabia Roger Prodon --- , France JuanA Amat --- , Spain Manuel Rendón-Martos --- Reserva Naturel Laguna de Fuente de Piedra, Spain Nicola Baccetti --- , Italy Francesc Vidali Esquerre --- , Spain Sergio Nissardi --- , Italy Özge Balkiz --- , Turkey Christophe Germain --- , France Mouloud Boulkhssaim --- Institut de Biologie, Algeria Arnaud Béchet --- , France

In the Mediterranean basin, Greater Flamingos Phoenicopterus roseus constitute a metapopulation with natal and breeding dispersal among colonies. However, the rate of exchange between European and North African colonies remains poorly known. In this paper, we document the wintering and...

View item »
Cattle Egrets Ardea ibis use human-made habitat in a newly colonised area in northern Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdelkrim Si Bachir --- Département de Biologie, Faculté des Sciences, Algéria Christophe Barbraud --- Centre d'Etudes Biologiques de Chizé, France Regis Cereghino --- EcoLab, Laboratoire d'Ecologie Fonctionnelle UMR5245, France Frederic Santoul --- EcoLab, Laboratoire d'Ecologie Fonctionnelle UMR5245, France

View item »
Diet of chicks of Cattle Egrets Bubulcus ibis in the lower Soummam valley, Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Rachida Gherbi-Salmi --- Laboratoire de Zoologie Appliquée et d'Ecophysiologie animale, Faculté des Sciences de la Nature et de la Vie, Algeria Salaheddine Doumandji --- Département de Zoologie Agricole et Forestière, Algeria Claire Voisin --- , France

The diet of Cattle Egret chicks in the lower Soummam valley, Algeria, was investigated in 1998 and 2006, when 145 and 23 regurgitates were collected, respectively. In 1998, 1 698 individual prey items were identified. Insects formed the bulk of...

View item »
Measuring Birds – Vögel vermessen. By Siegfried Eck, Jürgen Fiebig, Wolfgang Fiedler, Iris Heynen, Bernd Nicolai, Till Töpfer, Renate van den Elzen, Raffael Winkler and Friederike Woog

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Dieter Oschadleus --- SAFRING Project Coordinator, Animal Demography Unit, South Africa

View item »
Nest characteristics of Yellow-billed Kites Milvus aegyptius in the Manambolomaty Lakes Complex, western Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Tolojanahary Andriamalala --- , Madagascar Lily-Arison Rene de Roland --- , Madagascar Marius Rakotondratsima --- , Madagascar Gilbert Razafimanjato --- , Madagascar Russell Thorstrom --- , USA

We studied the nesting biology of Yellow-billed Kites Milvus aegyptius in the Manambolomaty Lakes Complex of western Madagascar during 2002 and 2003. We recorded 64 nesting attempts. In 2003, 33% (n = 39 nests) of the occupied nests were from...

View item »
Diet of Black-shouldered Kite Elanus caeruleus in a farmland area near Algiers, Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdessalam Manaa --- Laboratory of Ornithology, Department of Zoology, Algeria Karim Souttou --- Laboratory of Ornithology, Department of Zoology, Algeria Makhlouf Sekour --- Laboratory of Ornithology, Department of Zoology, Algeria Djamel Bendjoudi --- Department of Biology, Faculty of Agro-Veterinary and Biology, Algeria Omar Guezoul --- Laboratory of Ornithology, Department of Zoology, Algeria Fadila Baziz-Neffah --- Laboratory of Ornithology, Department of Zoology, Algeria Salaheddine Doumandji --- Laboratory of Ornithology, Department of Zoology, Algeria Emmanuelle Stoetzel --- UMR CNRS 7194 – Department of Prehistory, France Christiane Denys --- UMR CNR S5202 – USM601 – CP51 – Mammals and Birds, Department of Systematics and Evolution, France

The diet of the Black-shouldered Kite Elanus caeruleus was analysed in a recently colonised area in Meftah, south-eastern Algiers, Algeria. The diet was determined by analysing 144 pellets. Our data showed that the diet was dominated by rodents with Algerian...

View item »
Status and breeding ecology of the Common Moorhen Gallinula chloropus in Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria AhmedH Alfarhan --- Center of Excellence for Research in Biodiversity, Saudi Arabia Boudjéma Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria

The status of the Common Moorhen Gallinula chloropus in Algeria and its breeding ecology in North Africa are reported for the first time. Nest site selection and breeding parameters were studied at two contrasting sites in north-east Algeria: Boussedra, an...

View item »
A Preliminary Assessment of Podocarpus falcatus In Dendrochronological and Dendroclimatological Studies in the Witelsbos Forest Reserve

Item type: Journal Article • Journal: South African Forestry Journal • Authors: J. McNaughton --- Climatology Research Group, P.O. Tyson --- Climatology Research Group,

Little dendrochronological and dendroclimatological research has been carried out in southern Africa to date, although it has been established that Podocarpus falcatus is suitable for this work.

View item »
Embuia—Octea porosa en nie Phoebe porosa nie

Item type: Journal Article • Journal: South African Forestry Journal • Authors: J. P.J. Swart --- Houtanatoom, Departement Houtkunde en Taksonoom, Bosbou-herbarium, J. J.M. van der Merwe --- Houtanatoom, Departement Houtkunde en Taksonoom, Bosbou-herbarium,

View item »
The Structure of Cellulose by Conformational Analysis.

Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. Pizzi --- , N. Eaton --- ,

Conformational analysis studies on the tertiary structure of cellobiose and methyl-β-cellobioside were carried out by using calculations of Van der Waals, H-bond, electrostatic and torsional energy interactions between the atoms and groups of the molecules. Energy maps in function of...

View item »
The Structure of Cellulose by Conformational Analysis. Part 2: The Cellulose Polymer Chain

Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. Pizzi --- , Republic of South Africa N. Eaton --- , Republic of South Africa

Conformational analysis studies on the tertiary structure of cellotetraose, methyl-β-cellotetraoside and single cellulose chains were carried out by using calculation of Van der Waal, H-bond, electrostatic and torsional energy interactions between the atoms and molecular groups in both the skeleton...

View item »
The Structure of Cellulose by Conformational Analysis.

Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. Pizzi --- Council for Scientific and Industrial Research, South Africa N. Eaton --- Council for Scientific and Industrial Research, South Africa

The Meyer/Misch and related models were found to be the most energetically stable for the crystalline structure of cellulose I. The cellobioside structure is the monomer of cellulose I as structures having cellobiose as monomer have been proven to be...

View item »
Hybridisation between native Oreochromis species and introduced Nile tilapia O. niloticus in the Kafue River, Zambia

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AM Deines --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA I Bbole --- The Copperbelt University, Zambia C Katongo --- The Copperbelt University, Zambia JL Feder --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA DM Lodge --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA

The Nile tilapia Oreochromis niloticus has been introduced throughout Africa outside its native range for aquaculture purposes. Hybridisation between escaped O. niloticus and native Oreochromis species is of concern due to potential negative effects on wild genetic resources for conservation,...

View item »
A hotspot of large branchiopod diversity in south-eastern Zimbabwe

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Nhiwatiwa --- KU Leuven, Laboratory of Aquatic Ecology, Belgium A Waterkeyn --- KU Leuven, Laboratory of Aquatic Ecology, Belgium BJ Riddoch --- Department of Biological and Medical Sciences, UK L Brendonck --- KU Leuven, Laboratory of Aquatic Ecology, Belgium

Large branchiopods are considered threatened across much of their global range. However, because several regions, including Zimbabwe in general and its south-eastern lowveld in particular, remain largely unstudied, interpretations of species distribution patterns are often based on limited data. A...

View item »
VALERIE SINASON'S MENTAL HANDICAP WORKSHOP HELD AT THECHILD GUIDANCE CLINIC, UNIVERSITY OF CAPE TOWN A REVIEW

Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: C. Cheesman --- Drug Counselling Centre, Observatory Private Practice,

View item »
Stress, Anxiety And Academic Performance Among Medical Students At The University Of Cape Town

Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: D AB Wilson --- Department of Psychiatry, C Warton --- Department of Anatomy, GJ Louw --- Department of Anatomy,

OBJECTIVES

View item »
HIV/AIDS Knowledge Among South African Youth

Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: Liberty Eaton --- Departments of Psychiatry and Mental Health, and Psychology, AlanJ. Fllsher --- Departments of Psychiatry and Mental Health, and Psychology,

A review of research literature involving HIV/AIDS knowledge of South Africans aged 14–35 was conducted. Thirty-four studies since 1990 were included. Over half the studies featured high school or University student samples. It was found that young people are very...

View item »
Utility of the Koppitz norms for the Bender Gestalt Test performance of a group of Sesotho-speaking children

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Lerato Makhele Stephen Walker Karel Esterhuyse

Objective: This study investigated the utility of the Koppitz administration, scoring and norms for the Bender Gestalt Test (BGT) as a neurocognitive screening instrument for Sesotho-speaking children.

View item »
Validation of the Pediatric Symptom Checklist in HIV-infected Batswana

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Elizabeth Lowenthal --- , USA Kathy Lawler --- , USA Nurit Harari --- , USA Lesedi Moamogwe --- , Botswana Japhter Masunge --- , Botswana Motshodi Masedi --- , Botswana Bolefela Matome --- , Botswana Esther Seloilwe --- , Botswana Michael Jellinek --- , USA Michael Murphy --- , USA Robert Gross --- , USA

Objective: To determine the validity of the Pediatric Symptom Checklist (PSC), a brief measure of psychosocial health, for screening HIV+ Batswana children.

View item »
Cradling bias is absent in children with autism spectrum disorders

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Lea-Ann Pileggi --- Applied Cognitive Science and Experimental Neuropsychology Team Laboratory (ACSENT Laboratory), Department of Psychology, South Africa Susan Malcolm-Smith --- Applied Cognitive Science and Experimental Neuropsychology Team Laboratory (ACSENT Laboratory), Department of Psychology, South Africa Michelle Hoogenhout --- Applied Cognitive Science and Experimental Neuropsychology Team Laboratory (ACSENT Laboratory), Department of Psychology, South Africa KevinGF Thomas --- Applied Cognitive Science and Experimental Neuropsychology Team Laboratory (ACSENT Laboratory), Department of Psychology, South Africa Mark Solms --- Applied Cognitive Science and Experimental Neuropsychology Team Laboratory (ACSENT Laboratory), Department of Psychology, South Africa

Objective: This study investigated relations among empathy and cradling bias in children diagnosed with autism spectrum disorders (ASDs).

View item »
Autism spectrum disorders—Global challenges and local opportunities

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Susan Malcolm-Smith --- ACSENT Laboratory Department of Psychology, South Africa Michelle Hoogenhout --- ACSENT Laboratory Department of Psychology, South Africa Natalia Ing --- ACSENT Laboratory Department of Psychology, South Africa KevinGF Thomas --- ACSENT Laboratory Department of Psychology, South Africa Petrus de Vries --- Division Child and Adolescent Psychiatry, South Africa

View item »
Coastal oceanic climate change and variability from 1982 to 2009 around South Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Rouault --- Department of Oceanography, Marine Research Institute, South Africa B Pohl --- Centre de Recherches de Climatologie, France P Penven --- , France

Changes and fluctuations in sea surface temperature (SST) around the South African coast are analysed at a monthly scale from 1982 to 2009. There is a statistically significant negative trend of up to 0.5 °C per decade in the southern...

View item »
Structure of a toothed cetacean community around a tropical island (Mayotte, Mozambique Channel)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Kiszka --- Observatoire des Mammifères Marins, Mayotte PJ Ersts --- , USA V Ridoux --- Observatoire des Mammifères Marins, Mayotte

We describe the structure of a toothed cetacean community around the island of Mayotte (South-West Indian Ocean, 45°10′ E, 12°50′ S), using data collected from small boat-based surveys conducted between July 2004 and June 2006. In all, 16 odontocete species...

View item »
Feeding and ecomorphology of seven flatfish species in the North-North-West Aegean Sea, Greece

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PK Karachle --- Laboratory of Ichthyology, Department of Zoology, Greece KI Stergiou

The diet composition and possible relationships between mouth area and intestine length with feeding were investigated for seven flatfish species in the North-North-West Aegean Sea. Samples were obtained from commercial fisheries (trawls and gillnets) on a seasonal basis, and a...

View item »
Observations of individual humpback whales utilising multiple migratory destinations in the south-western Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PJ Ersts --- Center for Biodiversity and Conservation, USA C Pomilla --- Sackler Institute for Comparative Genomics, USA J Kiszka --- Observatoire des Mammifères Marins, France S Cerchio --- Sackler Institute for Comparative Genomics, USA HC Rosenbaum --- Center for Biodiversity and Conservation, USA M Vély --- , France Y Razafindrakoto --- Madagascar Country Program, Madagascar JA Loo --- Sackler Institute for Comparative Genomics, USA MS Leslie --- Sackler Institute for Comparative Genomics, USA M Avolio --- Barnard College, USA

Movements of humpback whales Megaptera novaeangliae among breeding regions within the southwestern Indian Ocean are poorly understood. Understanding the relationships among breeding regions is critical for effective conservation and management strategies. Through systematic comparisons of molecular genotypes and both systematic...

View item »
Gonadal cycle of the dwarf oyster Ostreola stentina from the south of the Gulf of Hammamet on the eastern coast of Tunisia

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: I Ben Salah --- Laboratoire de Biodiversité et Ecosystèmes Aquatiques, Tunisie A Bouain --- Laboratoire de Biodiversité et Ecosystèmes Aquatiques, Tunisie L Neifar --- Laboratoire de Biodiversité et Ecosystèmes Aquatiques, Tunisie

The reproductive cycle of the dwarf oyster Ostreola stentina (Payraudeau 1826) at Monastir in the south of the Gulf of Hammamet on the east coast of Tunisia was studied using condition indices and histological techniques. The species was shown to...

View item »
Photosynthetic performance, epiphyte biomass and nutrient content of two seagrass species in two areas with different level of nutrients along the Dar es Salaam coast

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EF Mvungi --- Department of Botany, Tanzania FA Mamboya --- Department of Sciences and Laboratory Technology, Tanzania

Heavy nutrient loads in coastal waters often lead to excessive growth of microalgal and macroalgal epiphytes on seagrass leaves, with varying effects on the underlying seagrasses. This study evaluates the photosynthetic performance, epiphytic biomass and tissue nutrient content of two...

View item »
Mesoscale features and phytoplankton biomass at the GoodHope line in the Southern Ocean during austral summer

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Swart --- Southern Ocean Carbon and Climate Observatory, South Africa SJ Thomalla --- Southern Ocean Carbon and Climate Observatory, South Africa PMS Monteiro --- Southern Ocean Carbon and Climate Observatory, South Africa IJ Ansorge --- Department of Oceanography, Marine Research Institute, South Africa

Two sets of high-resolution subsurface hydrographic and underway surface chlorophyll a (Chl a) measurements are used, in conjunction with satellite remotely sensed data, to investigate the upper layer oceanography (mesoscale features and mixed layer depth variability) and phytoplankton biomass at...

View item »
Abyssal scavenging demersal fauna at two areas of contrasting productivity on the Subantarctic Crozet Plateau, southern Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NJ Cousins --- Oceanlab, UK T Horton --- National Oceanography Centre, Southampton, UK BD Wigham --- Dove Marine Laboratory, School of Marine Science and Technology, UK PM Bagley --- Oceanlab, UK

The Crozet Plateau is situated below typical high-nutrient, low-chlorophyll (HNLC) waters of the southern Indian Ocean. The area to the east of the Crozet Islands experiences high levels of surface productivity during the austral summer due to natural iron enrichment...

View item »
Feeding habits and food partitioning between three commercial fish associated with artificial reefs in a tropical coastal environment

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Mablouké --- Université de la Réunion, Laboratoire ECOMAR FRE 3560 (CNRS/INEE/UR), France J Kolasinski --- IsoEnvironmental cc, Botany Department, South Africa M Potier --- IRD, UMR 212 EME (IRD/IFREMER/UM2), France A Cuvillier --- Université de la Réunion, Laboratoire ECOMAR FRE 3560 (CNRS/INEE/UR), France G Potin --- Université de la Réunion, Laboratoire ECOMAR FRE 3560 (CNRS/INEE/UR), France L Bigot --- Université de la Réunion, Laboratoire ECOMAR FRE 3560 (CNRS/INEE/UR), France P Frouin --- Université de la Réunion, Laboratoire ECOMAR FRE 3560 (CNRS/INEE/UR), France S Jaquemet --- Université de la Réunion, Laboratoire ECOMAR FRE 3560 (CNRS/INEE/UR), France

At Réunion Island (south-western Indian Ocean), artificial reefs were submerged in 2003 in a bay and were soon colonised by fish, among which were the highly abundant commercial species Lutjanus kasmira, Priacanthus hamrur and Selar crumenophthalmus. The high concentration and...

View item »
Validation of aerosol products derived from ocean colour in East African coastal waters

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F Mélin --- European Commission – Joint Research Centre, Italy B N Holben --- Goddard Space Flight Center, Biospheric Sciences Branch, USA Y Courcoux --- Observatoire de Physique de l'Atmosphère de la Réunion, France

The aerosol products derived from the ocean colour missions SeaWiFS and MODIS (Aqua and Terra) were assessed with AERONET field measurements collected at sites in Mozambique (Inhaca) and Kenya (Malindi). The median of absolute relative differences between satellite and AERONET...

View item »
Changes in population structure of the white grouper Epinephelus aeneus as a result of long-term overexploitation in Senegalese waters

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: W Ndiaye --- Institut Fondamental d'Afrique Noire-Cheikh Anta Diop [IFAN-CH. A. Diop], Laboratoire de Biologie et d'Ecologie des Poissons en Afrique de l'Ouest [LABEP-AO], Senegal M Thiaw --- Centre de Recherches Océanographiques de Dakar-Thiaroye [CRODT], Senegal K Diouf --- Institut Fondamental d'Afrique Noire-Cheikh Anta Diop [IFAN-CH. A. Diop], Laboratoire de Biologie et d'Ecologie des Poissons en Afrique de l'Ouest [LABEP-AO], Senegal P Ndiaye --- Institut Fondamental d'Afrique Noire-Cheikh Anta Diop [IFAN-CH. A. Diop], Laboratoire de Biologie et d'Ecologie des Poissons en Afrique de l'Ouest [LABEP-AO], Senegal OT Thiaw --- Graduate Institute of Fisheries and Aquaculture [IUPA], Senegal J Panfili --- Institut de recherche pour le développement [IRD], UMR 5119 Ecologie des systèmes marins côtiers [ECOSYM], Senegal

In Senegal, a significant decrease in catches indicates that many demersal fish stocks are being overexploited. The white grouper Epinephelus aeneus, locally known as the ‘thiof’, is exploited by both small-scale and industrial fisheries. A 28-year database of E. aeneus...

View item »
Extent of Access to Information and Communications Technology by the Rural Population of South Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Moses Mefika Sithole --- Centre for Science, Technology and Innovation Indicators (CeSTII), South Africa Cheryl Moses --- Centre for Science, Technology and Innovation Indicators (CeSTII), Yul Derek Davids --- Population Health, Health Systems and Innovation (PHHSI), Saahier Parker --- Centre for Science, Technology and Innovation Indicators (CeSTII), Julien Rumbelow --- Centre for Science, Technology and Innovation Indicators (CeSTII), Neo Molotja --- Centre for Science, Technology and Innovation Indicators (CeSTII), Demetre Labadarios --- Centre for Science, Technology and Innovation Indicators (CeSTII),

This paper investigates the trends in access to Information and Communications Technology (ICT) in rural compared to the urban areas of South Africa. Using data from the South African Social Attitudes Survey (SASAS) covering the period from 2003 to 2009,...

View item »
ICT Adoption, Capabilities Development and Innovation Processes in Argentina: An Employment Approach

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Marta Novick --- Under-Secretary for Technical Planning and Labor Studies, Ministry of Labor, Sebastian Rotondo --- Analyst, Employment and Business Dynamics Observatory, Under-Secretariat for Technical Planning and Labor Studies of the Ministry of Labor, Gerardo Breard --- Under-Secretary for Technical Planning and Labor Studies, Ministry of Labor,

The discussion on innovation and the adoption of new information and communication technologies (ICT) and their impact on economic growth and development have flared up in the past few years. This debate has become increasingly relevant mostly in emerging countries...

View item »
Quantifying the geographic range of Pinus patula var longipedunculata in Southern Mexico using morphologic and RAPD marker data

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: W.B. Dvorak --- Grinnells Laboratory, NCSU, Raleigh, NC., USA A.P. Jordan --- Grinnells Laboratory, NCSU, Raleigh, NC., USA J.L. Romero --- Grinnells Laboratory, NCSU, Raleigh, NC., USA G.R. Hodge --- Grinnells Laboratory, NCSU, Raleigh, NC., USA B.J. Furman --- Department of Biology, USA

Pinus patula var. longipedunculata occurs in southern Mexico, but the extent of its geographic range is poorly defined. Trees from some populations are morphologically similar to P. tecunumanii, which adds to the confusion over the variety's geographic range. Recent field...

View item »
Genetic improvement of Eucalyptus grandis using breeding seedling orchards and multiple population breeding strategy in Zimbabwe

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: W. J. Gapare --- Forest Sciences Centre, Canada R. D. Barnes --- Department of Plant Sciences, University of Oxford, United Kingdom D. P. Gwaze --- Forest Science Laboratory, College Station, USA B. I. Nyoka --- Forest Research Centre, Zimbabwe

Eucalyptus grandis is commercially important in Zimbabwe and a breeding program has been in progress since 1962. A classical breeding strategy was used initially but, in 1981, the Multiple Population Breeding Strategy (MPBS) was implemented and the concept of the...

View item »
How a dependent variable's non-randomness affects taper equation fitting

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Kitikidou Kyriaki --- Demokritian University of Thrace, Greece (Department of Forestry and Management of Environment and Natural Resources, Laboratory of Forest Biometry), Greece

In order to apply the least squares method in regression analysis, the values of the dependent variable Y should be random. In an example of regression analysis linear and nonlinear taper equations, which estimate the diameter of the tree dh...

View item »
Insights from full-rotation Nelder spacing trials with Eucalyptus in São Paulo, Brazil

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JL Stape --- Department of Forestry and Environmental Resources, USA D Binkley --- Natural Resource Ecology Laboratory, USA

The choice of spacing among trees for operational plantations is typically based on one or more experimental plantations that test for the response of tree and stand growth to a range of tree-to-tree distances. The most common design for spacing...

View item »
Biomass production and carbon storage of Populus ×canadensis Guinier I-214 plantations grown at Pogradeci region in Albania

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: E Toromani --- Department of Forestry, Albania M Sanxhaku --- Observatory of Meteorology, Albania M Sallaku --- Department of Biotechnology, Albania E Shaho --- Forest Engineer, Albania

Fast-growing plantations of Populus ×canadensis Moench (syn. P. ×euramericana (Dode) Guinier ex Piccarolo) clone I-214 have good potential for biomass production. The objective of the study was estimation of biomass using allometric equations and estimation of carbon allocation according to...

View item »
Stem biomass and volume models of selected tropical tree species in West Africa

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: GHS Guendehou --- , Bénin A Lehtonen --- , Finland M Moudachirou --- Laboratoire de Pharmacognosie, Faculté des Sciences et Techniques, Bénin R Mäkipää --- , Finland B Sinsin --- Laboratoire d'Ecologie Appliquée, Faculté des Sciences Agronomiques, Bénin

Estimating tree volume and biomass constitutes an essential part of the forest resources assessment and the evaluation of the climate change mitigation potential of forests through biomass accumulation and carbon sequestration. This research article provides stem volume and biomass equations...

View item »
Participatory forestry in Bangladesh: has it helped to increase the livelihoods of Sal forests-dependent people?

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: KK Islam --- Forest Policy Laboratory, Japan N Sato --- Forest Policy Laboratory, Japan

The government of Bangladesh has placed the utmost priority on participatory forestry (PF) since the 1980s, and this approach was commenced in the degraded Sal forest areas through a donor-funded project in 1989. These forest reforms aim to eliminate the...

View item »
Genotypic variation in response to low boron in eucalypt clones

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: S Konsaeng --- Department of Plant Science and Natural Resources, Faculty of Agriculture, Thailand N Sritharathikhun --- Department of Plant Science and Natural Resources, Faculty of Agriculture, Thailand S Lordkaew --- Multiple Cropping Center, Faculty of Agriculture, Thailand B Dell --- Sustainable Ecosystem Research Institute, Australia B Rerkasem --- Plant Genetic Resource and Nutrition Laboratory, Thailand

Eucalypts are increasingly important in the tropics for meeting growing demand for timber, wood chips, paper pulp and biofuel. Many new plantations are planted on low boron (B) soils, with adverse effects on plant growth and productivity. Two experiments in...

View item »
Precipitation partitioning in a diverse stand and a monospecific stand of regenerating forest in eastern China

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Huitao Shen --- Key Laboratory of Agricultural Water Resources, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, China Wenhui You --- Department of Environment Science, China Xiaoxue Wang --- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, China

Between 1 March and 31 October 2009, total precipitation, throughfall, stemflow and canopy interception losses were measured in two stands of secondary evergreen broadleaf forests, one a diverse vegetation stand and the other a monospecific stand dominated by Schima superba...

View item »
Efficiency of inventory plot patterns in quantitative analysis of vegetation: a case study of tropical woodland and dense forest in Benin

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: ValèreK Salako --- Faculty of Agronomic Sciences, Benin RomainL Glele Kakaï --- Faculty of Agronomic Sciences, Benin AchilleE Assogbadjo --- Faculty of Agronomic Sciences, Benin Belarmain Fandohan --- Faculty of Agronomic Sciences, Benin Marcel Houinato --- Faculty of Agronomic Sciences, Benin Rodolphe Palm --- Agro-Bio Tech, Belgium

The main issue in forest inventory is the reliability of data collected, which depends on the shape and size of inventoried plots. There is also a need for harmonisation of inventoried plot patterns in West Africa. This study focused on...

View item »
A preliminary assessment of the health status of feral populations of Chrysichthys nigrodigitatus in Lagos lagoon complex, Nigeria, using a modified Health Assessment Index protocol

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OluwatosinM Olarinmoye EdwinO Clarke ChristopherA Kumolu-Johnson OluwatoyinJ Aderinola

A 'snapshot' evaluation of the health status of feral populations of the brackish water catfish, Chrysichthys nigrodigitatus, was carried out in 2006 at four locations in the Lagos lagoon complex, with varying levels of anthropogenic impacts, using a modified Health...

View item »
The role of macroinvertebrates in the diets of the dominant fish species in Lake Nokoué, Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: P Gnohossou --- Laboratoire d'Hydrobiologie et d'Aquaculture, P Laleye --- Laboratoire d'Hydrobiologie et d'Aquaculture, P Atachi --- Laboratoire d'Hydrobiologie et d'Aquaculture, J Moreau --- Laboratoire d’Agronomie, Environnement et Écotoxicologie, France

Between 2003 and 2006 the diets of 22 fish species, comprising approximately 90% of the Lake Nokoué fish biomass, were analysed. Macroinvertebrates dominated the diet of ten species, fishes were the preferential prey of six fish species, and detritus and...

View item »
Variations in the dominant algal bloom-forming species in the western South China Sea from 1993 to 2007

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CL Liu --- Key Laboratory of Tropical Marine Environmental Dynamics, and Key Laboratory of Marine Bio-resources Sustainable Utilization, China DL Tang --- Key Laboratory of Tropical Marine Environmental Dynamics, and Key Laboratory of Marine Bio-resources Sustainable Utilization, China SF Wang --- Key Laboratory of Tropical Marine Environmental Dynamics, and Key Laboratory of Marine Bio-resources Sustainable Utilization, China L Nguyen-Ngoc --- , Vietnam

The study investigated the spatial and temporal variations of harmful algal bloom (HAB) species in the western South China Sea (SCS) for the period 1993-2007, using in situ HAB and remotely sensed datasets. A significant change in the dominant bloom...

View item »
Seed dynamics of Themeda triandra in the montane grasslands of South Africa

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: TM Everson RI Yeaton CS Everson

Seed production, viability, dispersal, predation and seed banks of Themeda triandra were determined to assess the potential of the seeds of this indigenous species in the re-establishment of degraded grassland. Annual seed production of T. triandra increased with length of...

View item »
Nesting biology and food habits of the Peregrine Falcon Falco peregrinus radama in the south-west and central plateau of Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gilbert Razafimanjato Lily-Arison Rene de Roland Jeanneney Rabearivony Russell Thorstrom

We studied nesting biology, behaviour, and diet of the Peregrine Falcon Falco peregrinus radama in Madagascar during two breeding seasons at Tsimanampetsotsa Natural Reserve in the south-west (n = 2 nests) and at Tritriva Lake (n = 1 nest) on...

View item »
Abundance, movements and habitat use by African Grey Parrots (Psittacus erithacus) in Budongo and Mabira forest reserves, Uganda

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: JohnB Amuno Renato Massa Christine Dranzoa

Populations of African Grey Parrots are threatened by increased forest loss and the pet trade. Budongo forest reserve has, for over 60 years, been subjected to selective logging. Mabira forest reserve faces human pressures characterised by extractive disturbances, and agricultural...

View item »
Can eyeflecks be used to sex African Black Oystercatchers Haematopus moquini in the field?

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sophie Kohler --- Laboratoire ECOMAR, France Bo Bonnevie --- Information Technology Division, South Africa Stéphanie Dano --- , France

Morphometric differences between males and females are a common feature among oystercatcher species (Hockey 1996), although breeding partners often appear similar when observed from a distance. Combinations of different biometric parameters such as bill size and shape, body mass, wing...

View item »
Gross anatomical and histomorphological observations on the terminal rectum and the cloaca in the Ostrich Struthio camelus

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: CN Warui --- Department of Veterinary Anatomy, Kenya KH Erlwanger --- School of Physiology, Faculty of Medicine, South Africa E Skadhauge --- Faculty of Life Sciences, Department of Basic Animal and Veterinary Sciences, Denmark

In birds, the ability to void urine separate from faeces is unique to ostriches. To further explore this characteristic, the anatomy of the terminal rectum and cloaca of the Ostrich Struthio camelus was studied in four ostriches by gross anatomical...

View item »
Algebraic Entropy of Shift Endomorphisms on Abelian Groups

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Maryam Akhavin --- Faculty of Mathematical Sciences, Iran Dikran Dikranjan --- Dipartimento di Matematica e Informatica, Italy Anna Giordano Bruno --- Dipartimento di Matematica e Informatica, Italy Arezoo Hosseini --- Department of Mathematics, Faculty of Science, Iran Fatemah Ayatollah Zadeh Shirazi --- Faculty of Mathematics, Statistics and Computer Science, College of Science, Iran

For every finite-to-one map λ : Γ → Γ and for every abelian group K, the generalized shift σλ of the direct sum ⊕Γ K is the endomorphism defined by (x i ) iεΓ ↦ (x λ(i)) iεΓ [3]...

View item »
A comparative analysis of two deceptive messages in Tshivenḓa

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mawande Dlali --- Department of African Languages, South Africa Matodzi Sikhwari --- Department of African Languages, South Africa

This article explores two deceptive messages in Tshivenḓa, one of 11 official languages spoken in South Africa. By looking at the data collected through role playing and natural observations, the authors examine a range of formulas used in conveying deceptive...

View item »
Image-based reflectance conversion of ASTER and IKONOS imagery as precursor to structural assessment of plantation forests in KwaZulu-Natal, South Africa

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MT Gebreslasie --- School of Environmental Sciences, South Africa FB Ahmed --- School of Environmental Sciences, South Africa JAN van Aardt --- Laboratory for Imaging Algorithms and Systems, Center for Imaging Science, USA

Reflectance-converted imagery is a requirement for establishing temporally robust remote sensing algorithms, given the reduction of time-specific atmospheric effects. Thus, in this study image-based atmospheric correction methods for ASTER and IKONOS imagery for retrieving surface reflectance of plantation forests in...

View item »
A Response to Eze’s critique of Wiredu’s consensual democracy

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Bernard Matolino --- School of Philosophy and Ethics University of KwaZulu-Natal Private Bag X01 Scottsville, South Africa

The question of what political system best suites post colonial/independent African states remain alive and ever more pertinent particularly in the face of failed attempts at democratisation. Kwasi Wiredu notes that the adversarial nature of Western democratic practices along party...

View item »
Radicals versus Moderates: A Critique of Gyekye’s Moderate Communitarianism

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Bernard Matolino --- School of Philosophy and Ethics University of KwaZulu-Natal Private Bag X01 Scottsville, South Africa

The communitarian conception of person is a widely accepted view in African thought. Kwame Gyekye thinks there is a distinction between what he calls radical communitarianism and his own version of moderate communitarianism. He is of the view that radical...

View item »
Qualified-agent virtue ethics

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Liezl van Zyl --- Philosophy, School of Social Sciences University of Waikato, Private Bag, New Zealand

Qualified-agent virtue ethics provides an account of right action in terms of the virtuous agent. It has become one of the most popular, but also most frequently criticized versions of virtue ethics. Many of the objections rest on the mistaken...

View item »
Tempels’ Philosophical Racialism

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Bernard Matolino --- School of Philosophy and Ethics, University of KwaZulu-Natal, Private Bag X01,

Placide Tempels’ Bantu Philosophy has largely been met with hostility from African philosophers. Whilst Tempels intended to show that the Bantu were not only capable of thinking, but also that they had a distinct and coherent philosophy of their own,...

View item »
Roosting, range use and foraging behaviour of the Sickle-billed Vanga, Falculea palliata, in Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kazuhiro Eguchi HitohaE. Amano Satoshi Yamagishi

Roosting behaviour, range use and foraging behaviour of non-breeding Sickle-billed Vangas, Falculea polliata, a Malagasy endemic, were studied in the Ankarafantsika Strict Nature Reserve, northwestern Madagascar, in 1996 and 1997. Non-breeding birds farmed a flock and ranged daily between communal...

View item »
Nesting habits of the Rufous Vanga in Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kazuhiro Eguchi Hisashi Nagata Shigeki Asai Satoshi Yamagishi

View item »
Breeding biology and diet of Banded Kestrels Falco zoniventris on Masoala Peninsula, Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Lily-Arison Rene de Roland Jeanneney Rabearivony Gilbert Razafimanjato Harilalaina Robenarimangason Russell Thorstrom

We studied the breeding biology of the Banded Kestrel (Falco zoniventris) in the forest edge habitat of Masoala Peninsula of north-eastern Madagascar from 1997 to 1999. Banded Kestrels begin their breeding season at the end of the wet season during...

View item »
ON THE THREAT AND COURTSHIP BEHAVIOUR OF HARTLAUB'S GULL, Hydrocoloeus novae-hollandiae hartlaubi (Br

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: N. Tinbergen --- Department of Zoology and Comparative Anatomy, G.J. Broekhuysen --- Department of Zoology,

View item »
Causes for the recent increase in sea surface salinity in the north-eastern Gulf of Guinea

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CY Da-Allada --- International Chair in Mathematical Physics and Applications [ICMPA – UNESCO Chair], Bénin G Alory --- Université de Toulouse; Université Paul Sabatier [UPS]; Laboratoire d'Etudes en Géophysique et Océanographie Spatiales [LEGOS], France Y du Penhoat --- International Chair in Mathematical Physics and Applications [ICMPA – UNESCO Chair], Bénin J Jouanno --- Institut Pierre-Simon Laplace [IPSL], France MN Hounkonnou --- Université de Toulouse; Université Paul Sabatier [UPS]; Laboratoire d'Etudes en Géophysique et Océanographie Spatiales [LEGOS], France E Kestenare --- Institut de Recherche pour le Développement [IRD], France

In situ sea surface salinity (SSS) observations showed an increase >0.5 over the period 2002–2009 in the Gulf of Guinea, off the Niger Delta. Observed changes in the Niger River runoff were not consistent with this increase in SSS, but...

View item »
Population dynamics of potentially harmful algal blooms in Bizerte Lagoon, Tunisia

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Bouchouicha Smida --- Laboratoire de Cytologie Végétale et Phytoplanctonologie, Département des Sciences de la Vie, Faculté des Sciences de Bizerte, Tunisie I Sahraoui --- Laboratoire de Cytologie Végétale et Phytoplanctonologie, Département des Sciences de la Vie, Faculté des Sciences de Bizerte, Tunisie B Grami --- Laboratoire de Cytologie Végétale et Phytoplanctonologie, Département des Sciences de la Vie, Faculté des Sciences de Bizerte, Tunisie H Hadj Mabrouk --- Laboratoire de Cytologie Végétale et Phytoplanctonologie, Département des Sciences de la Vie, Faculté des Sciences de Bizerte, Tunisie A Sakka Hlaili --- Laboratoire de Cytologie Végétale et Phytoplanctonologie, Département des Sciences de la Vie, Faculté des Sciences de Bizerte, Tunisie

The population dynamics of potentially harmful phytoplankton in the semi-closed, coastal Bizerte Lagoon, Tunisia, in the south-western Mediterranean, were examined from November 2007 to February 2009 at six sampling stations, three situated in areas of mussel and oyster farming. The...

View item »
Genetic diversity of maize germplasm lines and implications for breeding Maize streak virus resistant hybrids

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nothando Mafu --- Plant Pathology, School of Agricultural, Earth and Environmental Sciences, South Africa Roobavathie Naidoo --- Plant Pathology, School of Agricultural, Earth and Environmental Sciences, South Africa Pedro Fato --- African Centre of Crop Improvement, School of Agricultural, Earth and Environmental Sciences, South Africa Jedidah Danson --- African Centre of Crop Improvement, School of Agricultural, Earth and Environmental Sciences, South Africa John Derera --- African Centre of Crop Improvement, School of Agricultural, Earth and Environmental Sciences, South Africa Mark D Laing --- Plant Pathology, School of Agricultural, Earth and Environmental Sciences, South Africa

Evaluation of genetic distances between maize inbred lines can be used to maximise heterosis in hybrids. This study was conducted to determine genetic distances among 25 maize inbred lines in the Maize streak virus disease (MSVD) QTL region to develop...

View item »
Mineralisation of organic fertilisers used by urban farmers in Harare and their effects on maize (Zea mays L.) biomass production and uptake of nutrients and heavy metals

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Armwell Shumba --- Department of Soil Science and Agricultural Engineering, Zimbabwe Ronald Marumbi --- Department of Soil Science and Agricultural Engineering, Zimbabwe Blessing Nyamasoka --- Department of Soil Science and Agricultural Engineering, Zimbabwe Phillip Nyamugafata --- Department of Soil Science and Agricultural Engineering, Zimbabwe Justice Nyamangara --- Matopos Research Station, Zimbabwe Simon Madyiwa --- Department of Soil Science and Agricultural Engineering, Zimbabwe

Nutrient release patterns and heavy metal contamination risks associated with animal manure and organic municipal wastes used as basal fertilisers are largely unknown in Zimbabwe. Carbon, nitrogen and phosphorus mineralisation patterns were determined in a 56-day incubation experiment of domestic...

View item »
Islet neogenesis is stimulated by brief occlusion of the main pancreatic duct

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: C Woodroof --- Diabetes Research Group, C de Villiers --- Diabetes Research Group, B J Page --- Department of Anatomy and Histology, L van der Merwe --- Biostatistics Unit, W F Ferris --- Endocrinology and Metabolism Unit, Department of Internal Medicine,

Objective. Current models of islet neogenesis either cause substantial pancreatic damage or continuously stimulate the pancreas, making these models unsuitable for the study of early events that occur in the neogenic process. We aimed to develop a method where the...

View item »
Health risks associated with obesity

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Aus Tariq Ali --- Department of Chemical Pathology, National Health Laboratory Service, Nigel John Crowther --- Department of Chemical Pathology, National Health Laboratory Service,

View item »
Megaloblastic anaemia, diabetes and deafness in a 2-year-old child

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Alan Davidson --- Haematology Oncology Service, School of Child and Adolescent Health, Red Cross Children's Hospital and University of Cape Town, Patricia S Hartley --- Haematology Oncology Service, School of Child and Adolescent Health, Red Cross Children's Hospital and University of Cape Town, Peter Berman --- Department of Chemical Pathology, Margaret H G Shuttleworth --- Haematology Pathology Service, Red Cross Children's Hospital and University of Cape Town,

Megaloblastic anaemia in childhood usually occurs as a result of dietary folate deficiency or, rarely, congenital disorders of vitamin B12 metabolism.

View item »
Body fat distribution and insulin resistance

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Aus T Ali --- Department of Chemical Pathology, National Health Laboratory Service, Nigel J Crowther --- Department of Chemical Pathology, National Health Laboratory Service,

View item »
Multiple endocrine neoplasia type 2A

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A M Klisiewicz --- Department of Medicine, Division of Endocrinology and Metabolism, F J Raal --- Department of Medicine, Division of Endocrinology and Metabolism, J Paiker --- Department of Chemical Pathology, S J Nayler --- Division of Anatomical pathology,

Multiple endocrine neoplasia type 2A (MEN-2A) is an autosomal dominant genetic syndrome consisting of medullary thyroid carcinoma, phaeochromocytoma and hyperparathyroidism. A germline mutation in the RET proto-oncogene which codes for tyrosine kinase receptors expressed in neural-crest derived cells of the...

View item »
A case of Riedel's thyroiditis

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Carolyn Droste --- Division of Endocrinology, Department of Medicine, L Nokoane --- Department of Anatomical pathology, National Health Laboratory Service, K R L Huddle --- Division of Endocrinology, Department of Medicine, R Shires --- Division of Endocrinology, Department of Medicine,

Riedel's thyroiditis is a rare disorder that mainly affects middle-aged women. Dense fibrosis disrupts the normal thyroid architecture and replaces the normal thyroid architecture, and can extend beyond the thyroid capsule.

View item »
Antioxidant and oxidative stress status in type 2 diabetes and diabetic foot ulcer

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Kensese Sontin Mossanda --- Department of Chemical Pathology, Elizabeth Bosede Bolajoko --- Department of Chemical Pathology, Mpho Moropane --- Department of Anatomical Pathology, Francis Adeniyi --- Department of Chemical Pathology, Nigeria Olubayo Akinosun --- Department of Chemical Pathology, Nigeria Adesoji Fasanmade --- Department of Medicine,

Objective. Oxidative stress (OS) has been implicated in the aetiology and progression of diabetic complications including diabetic foot ulcer. In this study, the levels of lipid peroxides (LPO) and 8-hydroxy-2′-deoxyguanosine (8-OHdG) as well as the enzymatic antioxidant activities of superoxide...

View item »
Insulin resistance induced by antiretroviral drugs: Current understanding of molecular mechanisms

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: WIW Ismail --- Division of Chemical Pathology, Department of Clinical Laboratory Sciences, JA King --- Division of Chemical Pathology, Department of Clinical Laboratory Sciences, TS Pillay --- Division of Chemical Pathology, Department of Clinical Laboratory Sciences,

The increase in incidence of HIV infection continues to be a major public health problem across the world, but more especially in sub-Saharan Africa. Treatment with highly active antiretroviral therapy (HAART) has improved the prognosis of patients with AIDS, but...

View item »
Ectopic ACTH syndrome: a clinical challenge

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: NI Tsabedze --- Department of Medicine, Division of Endocrinology and Metabolism, C Ray --- Division of Anatomical Pathology, M Hale --- Division of Anatomical Pathology,

A patient was managed in our endocrinology unit with ectopic Cushing's syndrome from an adrenocorticotropic hormone-producing neuroendocrine carcinoma of the anal canal. There was limited response to standard therapy, which made it difficult to correct the electrolyte and metabolic derangements...

View item »
The impact of insulin resistance, gender, genes, glucocorticoids and ethnicity on body fat distribution

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: NJ Crowther --- Department of Chemical Pathology, National Health Laboratory Service, South Africa WF Ferris --- Department of Medicine, Faculty of Health Sciences, South Africa

The metabolic consequences of obesity are highly dependent on body fat distribution and total body fat mass. Visceral adipose tissue in particular has been found to play an important aetiological role in obesity-related disorders. The contrasting fat distribution between genders,...

View item »
Relationship between salivary androstenedione levels, body composition and physical activity levels in young girls

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AJ McKune --- Human Performance Laboratory, Department of Biokinetics, Exercise and Leisure Sciences, KD Du Bose --- Activity Promotion Laboratory, Department of Exercise and Sport Science, United States of America

Background: High androgenic activity in adolescent girls and adult women is associated with adiposity and metabolic disturbances. This study examined the relationship between salivary androstenedione levels, body composition, and physical activity levels in young girls.

View item »
A pelvic paraganglioma presenting as a hypertensive emergency in pregnancy

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: FJ Bosch --- Division of Endocrinology, Department of Internal Medicine, J Goedhals --- Department of Anatomical Pathology, W De Lange --- Division of Endocrinology, Department of Internal Medicine, M Ackermann --- Department of Anaesthesiology, JMM Koning --- Division of Endocrinology, Department of Internal Medicine,

View item »
Lipid accumulation and alkaline phosphatase activity in human preadipocytes isolated from different body fat depots

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AT Ali --- Department of Chemical Pathology, National Health Laboratory Service, WF Ferris --- Division of Endocrinology, Department of Medicine, Faculty of Health Sciences, CB Penny --- Department of Medicine, M-T Van der Merwe --- University of Pretoria and Waterfall City Hospital, BF Jacobson --- Department of Haematology and Molecular Medicine, National Health Laboratory Service, JE Paiker --- Department of Chemical Pathology, National Health Laboratory Service, NJ Crowther --- Department of Chemical Pathology, National Health Laboratory Service,

Background: Alkaline phosphatase (ALP) controls intracellular lipid accumulation in human preadipocytes, but it is not known whether ALP is expressed in all body fat depots, or whether it has a similar role at all sites.

View item »
Autoimmune polyglandular syndrome type 1 in a 12-year-old Ugandan girl

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: D Kibirige --- Makerere University College of Health Sciences and Dermatology Unit, Mulago National Referral and Teaching Hospital, Uganda F Kambugu --- Makerere University College of Health Sciences and Endocrine Unit, Mulago National Referral and Teaching Hospital, Uganda

Autoimmune polyglandular syndrome type 1 (APS-1), also known as autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy syndrome, is a very rare disorder of childhood. It is mainly characterised by the presence of at least two of the following: chronic mucocutaneous candidiasis, chronic hypoparathyroidism and...

View item »
Should haemoglobin A_1c be used for the diagnosis of diabetes mellitus in South Africa?

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: JA George --- Department of Chemical Pathology, National Health Laboratory Service,

Diabetes is an important medical problem in sub-Saharan Africa. It has traditionally been diagnosed by means of fasting plasma glucose, random blood glucose or an oral glucose tolerance test. Each of these has limitations and, in 2009, an expert committee...

View item »
The epidemiology and pathogenesis of type 1 diabetes mellitus in Africa

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: CJ Padoa --- Department of Chemical Pathology National Health Laboratory Service,

Type 1 diabetes is a serious, debilitating disease, with life-threatening complications, and the financial burden associated with the management of this disease is enormous. Early diagnosis and intervention can improve morbidity and mortality. Unfortunately, in Africa, type 1 diabetes is...

View item »
Euthyroid hyperthyroxinaemia due to assay interference

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AM Klisiewicz --- Centre for Diabetes and Endocrinology, PD Rambau --- Chemical Pathology Unit, Lancet Laboratories, LA Distiller --- Centre for Diabetes and Endocrinology,

Background: The authors report a case of euthyroid hyperthyroxinaemia and the systematic approach that led to the diagnosis. The related literature is also reviewed in an attempt to increase awareness of this condition.

View item »
Factors predisposing to obesity: a review of the literature

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AT Ali --- Department of Chemical Pathology, National Health Laboratory Service, NJ Crowther --- Department of Chemical Pathology, National Health Laboratory Service,

The rising prevalence of obesity is a worldwide problem affecting not only the developed world but also developing nations such as South Africa. Excess body fat deposition is caused by an imbalance between energy intake and energy expenditure and there...

View item »
The case for Perioperative steroid supplementation

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Ivan Joubert --- Department of Anaesthesia, and Respiratory Intensive Care Unit,

View item »
Attitude of anaesthetists to intra-operative catastrophes: a questionnaire survey

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: OA Ogunbiyi --- Department of Anaesthesia, 44 Nigerian Army Reference Hospital, Nigeria SA Eguma --- Department of Anaesthesia, Nigeria CN Mato --- Department of Anaesthesia, Nigeria

Background: Although anaesthetic deaths are uncommon, most anaesthetists are likely to be involved with an anaesthetic catastrophe at some point in their careers. This experience may have significant psychological impact on the staff concerned. Formal incident reporting accompanies anaesthetic deaths,...

View item »
Anaesthetic accidents: an experience in sub-saharan Africa

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: OA. Ogunbiyi --- Department of Anaesthesia, Nigeria CN. Mato --- Department of Anaesthesia, Nigeria

Anaesthetic accidents as a cause of morbidity and mortality are beginning to cause great concern in developing countries, where there is still a dearth of reporting of critical incidents. A case of a 55-year-old Nigerian woman who developed signs of...

View item »
Coming in from the cold….

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: JO Olatosi --- Department of Anaesthesia, I Desalu --- Department of Anaesthesia,

View item »
Charcoal-roasted plantain and fish vendors in Port Harcourt: A potential anaesthetic high risk group?

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: CN Mato --- Department of Anaesthesiology, Nigeria B Onajin-Obembe --- Department of Anaesthesiology, Nigeria

A survey of charcoal-roasted plantain and fish (CRPF) vendors in Port Harcourt, Nigeria was carried out to determine if they were a potential anaesthetic high risk group. Questionnaires which contained vendor's biodata and educational qualification including information on hours of...

View item »
Antiemetic prophylaxis with promethazine or ondansetron in major gynaecological surgery

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: OJ Olatosi --- Department of Anaesthesia, O Kushimo --- Department of Anaesthesia, C Okeke --- Department of Anaesthesia, O Oriyomi --- Shell Hospital, Nigeria GO Ajayi --- Department of Obstetrics and Gynaecology,

Background: Postoperative nausea and vomiting remain a significant cause of morbidity among patients undergoing general anaesthesia. The optimal strategy for prevention, however, remains controversial. This study evaluated the efficacy of ondansetron 8 mg compared with promethazine 25 mg or placebo...

View item »
Emergency Caesarean section in a patient with known sickle-cell disease and myasthenia gravis

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: AA Ehiozie-Osifo --- Department of Anaesthesia, Nigeria JO Olatosi --- Department of Anaesthesia, Nigeria OT Kushimo --- Department of Anaesthesia, Nigeria

A 33-year-old patient with known sickle-cell disease (SS) booked for antenatal care at the Lagos University Teaching Hospital at six weeks gestational age. She had been diagnosed with myasthenia gravis three years prior to presentation and placed on oral anticholinesterase...

View item »
Preoperative B-type natriuretic peptide risk stratification: do postoperative indices add value?

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: RN Rodseth --- Perioperative Research Group, Department of Anaesthetics, K Vasconcellos --- Department of Anaesthetics and Critical Care, P Naidoo --- National Health Laboratory Services; Department of Chemical Pathology, BM Biccard --- Perioperative Research Group, Department of Anaesthetics,

Objectives: It is unclear if there is value in measuring postoperative B-type natriuretic peptide (BNP) in patients risk-stratified using preoperative BNP.

View item »
Selected skin diseases located on the feet

Item type: Journal Article • Journal: South African Family Practice • Authors: WK Jacyk --- Department of Dermatology,

View item »
Peripheral Arterial Disease

Item type: Journal Article • Journal: South African Family Practice • Authors: ATO Abdool-Carrim --- University of Witwatersrand,

Peripheral arterial disease (PAD) is a common disease. One in five of the middle-aged population of the United Kingdom has evidence of peripheral vascular disease on clinical examination, although only a quarter of these people have symptoms1. PAD is a...

View item »
Four common infectious skin conditions Tinea corporis, Pityriasis versicolor, Scabies, Larva migrans

Item type: Journal Article • Journal: South African Family Practice • Authors: WK Jacyk --- Department of Dermatology,

Four dermatological conditions, all with well-established pathogens, will be discussed in this article: tinea corporis (dermatophyte infection), pityriasis versicolor (an asymptomatic infection) caused by the yeast Pityrosporon orbiculare) and two parasitic infestations, scabies and larva migrans.

View item »
Precursors of Melanoma

Item type: Journal Article • Journal: South African Family Practice • Authors: WK Jacyk --- Department of Dermatology,

View item »
Audit of efficacy of Coartem™ to clear plasmodium falciparum malaria parasitaemia at single forty-two day follow-up

Item type: Journal Article • Journal: South African Family Practice • Authors: Williams CH Vaughan --- Mosvold Hospital, South Africa C La Cock --- KwaZulu-Natal Laboratory Services Stationed at Department of Health, BLF Bredenkamp --- Malaria Research Programme of Medical Research Council,

Background: A follow-up study was undertaken to assess the efficacy of Coartem™ tablets (20 mg artemether and 120 mg lumefantrine—Novartis South Africa (Pty) Ltd) to clear plasmodium falciparum malaria parasitaemia at a single 42-day follow-up, with 42 days being chosen...

View item »
Perioral Dermatitis

Item type: Journal Article • Journal: South African Family Practice • Authors: WK Jacyk --- Department of Dermatology, Faculty of Health Sciences,

View item »
Lumbar puncture for the generalist

Item type: Journal Article • Journal: South African Family Practice • Authors: JM Boon --- Department of Anatomy, Section of Clinical Anatomy, South Africa PH Abrahams --- Kigezi International School of Medicine, United Kingdom JH Meiring --- Department of Anatomy, Section of Clinical Anatomy, South Africa T Welch --- Kigezi International School of Medicine, United Kingdom

The safe and successful performance of a lumbar puncture demands a working and yet specific knowledge as well as competency in performance. This review aims to aid understanding of the knowledge framework, the pitfalls and complications of lumbar puncture. It...

View item »
Precursors of Melanoma

Item type: Journal Article • Journal: South African Family Practice • Authors: WK Jacyk --- Department of Dermatology,

View item »
Review of common cutaneous adverse drug reactions

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

View item »
Prof. Johannes Marinus (Hanno) Boon

Item type: Journal Article • Journal: South African Family Practice • Authors: Jan Meiring --- Department of Anatomy,

View item »
Rapid thrombophilia genetic test facilitates improved prenatal care for mother and child

Item type: Journal Article • Journal: South African Family Practice • Authors: MJ Kotze --- Genecare Molecular Genetics (Pty) Ltd., Christiaan Barnard Memorial Hospital, C La Grange --- Gynaecologist Practice, Louis Leipoldt Hospital, EPG Mansvelt --- Haematological Pathology, Tygerberg Hospital,

Physiological changes in coagulation factors during pregnancy are important to minimise blood loss during gestation and delivery, but may also lead to a 4–6 fold increased risk of venous thromboembolism during pregnancy and after delivery. Approximately 25% of maternal mortality...

View item »
Seroprevalence of HIV and frequencies of haemoglobin genotypes, ABO and Rh blood groups, among premarital couples in Port Harcourt, Nigeria

Item type: Journal Article • Journal: South African Family Practice • Authors: ZA Jeremiah --- Department of Medical Laboratory Sciences, Nigeria IA Okon --- Department of Haematology & Blood Transfusion, Nigeria TA Jeremiah --- Department of Medical Laboratory Sciences, Nigeria

Background

View item »
Family practitioners' perceptions of, knowledge about and use of peak flow meters in the Lenasia, Lenasia South and Soweto Community Health Clinics

Item type: Journal Article • Journal: South African Family Practice • Authors: BK Vallabh --- Abbott Laboratories SA (Pty) Ltd, D Lutchman --- Abbott Laboratories SA (Pty) Ltd, D Rees --- National Institute for Occupational Health, NHLS and School of Public Health, University of the Witwatersrand,

Background

View item »
Pretoria medical students' perspectives on the assessable attributes of professionalism

Item type: Journal Article • Journal: South African Family Practice • Authors: M Van Rooyen --- Department of Family Medicine, I Treadwell --- Skills Laboratory,

Background

View item »
Avian Influenza: What the family practitioner should know

Item type: Journal Article • Journal: South African Family Practice • Authors: M Senekal --- Pathcare Reference Laboratory N1 City, E Wasserman --- Department of Pathology, Chairperson of Discipline Medical Microbiology,

View item »
The dissemination and implementation of national asthma guidelines in South Africa: The use of outcome mapping

Item type: Journal Article • Journal: South African Family Practice • Authors: R Mash --- Division of Family Medicine and Primary Care, G Ainslie --- Respiratory Clinic, Groote Schuur Hospital and University of Cape Town Lung Institute, E Irusen --- Pulmonology Unit, Tygerberg Hospital and Department of Internal Medicine, P Mayers --- Division of Nursing and Midwifery, A Bheekie --- School of Pharmacy,

Asthma is an important chronic inflammatory disorder with significant morbidity and mortality in South Africa. The development of national asthma guidelines by the South African Thoracic Society and National Asthma Education Programme has been one approach to try and improve...

View item »
The diagnosis and management of perniosis (chilblains)

Item type: Journal Article • Journal: South African Family Practice • Authors: HF Jordaan --- Department of Dermatology Faculty of Health Sciences,

Perniosis (chilblains) is an abnormal reaction to cold that occurs most frequently in women, children, and the elderly. Chilblains may be idiopathic and self-limited, or associated with systemic diseases. This article discusses the approach to the diagnosis and treatment perniosis...

View item »
Tick bite fever in South Africa

Item type: Journal Article • Journal: South African Family Practice • Authors: J Frean --- National Health Laboratory Service, L Blumberg --- National Health Laboratory Service, GA Ogunbanjo --- Department of Family Medicine & PHC,

Tick bite fever has been a constant feature of the South African medical landscape. While it was recognised many years ago that there was a wide spectrum of clinical severity of infection, only recently has It been established that there...

View item »
Dermatology Quiz

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

A 36-year- old male presented with a history of nodules on the face for 3 months. He is HIV positive with a CD4 count of 92 cells/mm3. The patient has not yet been receiving ani-retroviral therapy. On clinical examination he...

View item »
Pattern of depression among patients in a Nigerian family practice population

Item type: Journal Article • Journal: South African Family Practice • Authors: MO Afolabi --- Department of Family Medicine, Nigeria EA Abioye-Kuteyi --- Department of General Medical Practice, Nigeria FO Fatoye --- Department of Mental Health, Nigeria IS Bello --- Department of General Medical Practice, Nigeria AO Adewuya --- Department of Psychiatry, Nigeria

Background: This study determines the pattern of depression among patients attending the Family Practice Clinic at Wesley Guild Hospital, Ilesa, Nigeria. Socio-demographic and clinical correlates associated with depression were identified.

View item »
Chronic persistent asthma: A review of medicines in the step-up approach

Item type: Journal Article • Journal: South African Family Practice • Authors: EM Irusen --- Respiratory Division, Internal Medicine, Faculty of Health Sciences,

The medications used in asthma have been the subject of intense study over the last three decades. We now have extensive insights into their structure, regulation, receptors and mechanisms of action. Their intersection with the complexity of asthma inflammation has...

View item »
Would we prevent asthma with potential therapeutic strategies?

Item type: Journal Article • Journal: South African Family Practice • Authors: D Lutchman --- Speciality Care Division Abbott Laboratories,

View item »
Common skin and mucosal disorders in HIV/AIDS

Item type: Journal Article • Journal: South African Family Practice • Authors: HF Jordaan --- Department of Dermatology, Faculty of Health Sciences,

The human immunodeficiency virus (HIV) epidemic continues to spread and evolve on a worldwide basis. Currently more than five million patients in South Africa are living with HIV/AIDS. Cutaneous and mucosal complications eventually occur in nearly all individuals with HIV...

View item »
Letters

Item type: Journal Article • Journal: South African Family Practice • Authors: WM Politzer --- Department of Haematology,

View item »
Is the medical profession always justified in saving lives?

Item type: Journal Article • Journal: South African Family Practice • Authors: WM Politzer --- Department of Haematology,

Background: The aims and objective of this paper are to address controversial and contentious issues in Medical Practice which should be of universal interest to family practitioners.

View item »
The practitioners guide for dealing with the novel Influenza A, H1N1 pandemic

Item type: Journal Article • Journal: South African Family Practice • Authors: M Venter --- Respiratory Virus Unit, South Africa L Blumberg --- Epidemiology Unit, South Africa

Within three months of its discovery, the new Influenza A (Him) swineflu strain has spread to such an extent that a pandemic has been declared by the World Health Organization (WHO). Although most cases seem to be mild, cases of...

View item »
Modern management of rheumatoid arthritis—making a case for early aggressive medical treatment

Item type: Journal Article • Journal: South African Family Practice • Authors: M Tikly --- Division of Rheumatology,

Rheumatoid arthritis (RA) is a chronic inflammatory joint disease that affects approximately 1% of the adult population. Some 30 to 40% of patients experience work disability within five years of onset of the disease, but early aggressive medical treatment has...

View item »
The effect of a topically-applied cosmetic oil formulation on striae distensae

Item type: Journal Article • Journal: South African Family Practice • Authors: B Summers --- Photobiology Laboratory, M Lategan --- Photobiology Laboratory,

Background: Stretch marks or striae distensae are tears in the dermis, above which the epidermis remains intact. Striae result from rapid expansion of the underlying tissue, e.g. during puberty, pregnancy or rapid weight gain. The prevalence of striae is high...

View item »
The beliefs and practices of Tshivenda-speaking multiparous women on contraception: A qualitative study

Item type: Journal Article • Journal: South African Family Practice • Authors: NN Ndwamato --- Department of Family Medicine and PHC, GA Ogunbanjo --- Department of Family Medicine and PHC,

Background: The aim of the study was to understand the beliefs and practices of multiparous women on the use of contraceptives.

View item »
Percutaneous injuries in doctors in the School of Medicine, University of the Free State: incidence, reporting and adherence to precautionary and management procedures

Item type: Journal Article • Journal: South African Family Practice • Authors: M Du Toit --- Faculty of Health Sciences, South Africa D Claassen --- Faculty of Health Sciences, South Africa A Le Roux --- Faculty of Health Sciences, South Africa E Nel --- Faculty of Health Sciences, South Africa W Van Biljon --- Faculty of Health Sciences, South Africa G Joubert --- Department of Biostatistics, Faculty of Health Sciences, South Africa VJ Louw --- Division Clinical Haematology, Department of Internal Medicine, Faculty of Health Sciences, South Africa

Background: Despite the official precautionary measures against percutaneous injuries, incidents still occur. Consequently, it is possible that healthcare workers could contract infections like HBV, HCV, HGV (hepatitis B, C and G viruses) and HIV (human immune deficiency virus). The most...

View item »
The diagnosis and management of porphyria cutanea tarda (PCT)

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

The porphyrias are a group of disorders in which excessive quantities of porphyrins or their precursors are produced. They are due to abnormalities in the control of the porphyrin-haem metabolic pathway. The porphyrias are classified into acute and chronic. The...

View item »
A diagnostic approach to the common arthritic conditions

Item type: Journal Article • Journal: South African Family Practice • Authors: M Tikly --- Division of Rheumatology, M A Makda --- Division of Rheumatology,

Arthritis is a common cause of pain and disability in adults. In this article, the first in a series of two articles on arthritis, a clinical approach to musculoskeletal disorders is reviewed, with emphasis on the history and examination as...

View item »
Teledermatology by videoconference: Experience of a pilot project

Item type: Journal Article • Journal: South African Family Practice • Authors: M Mars --- Department of TeleHealth, N Dlova --- Department of Dermatology,

Background: There is a shortage of medical specialists within the provincial departments of health in South Africa. Telemedicine is a potential way of providing specialist services, at a distance, to rural areas. This study assesses patient and staff satisfaction and...

View item »
The diagnosis and management of atopic dermatitis

Item type: Journal Article • Journal: South African Family Practice • Authors: HF Jordaan --- Division of Dermatology, Department of Medicine, Faculty of Health Sciences, WI Visser --- Division of Dermatology, Department of Medicine, Faculty of Health Sciences,

The term “dermatitis” (synonym: eczema) refers to a non-infectious, inflammatory disorder of the skin. There are different forms of dermatitis including seborrhoeic dermatitis (infantile and adult types), primary irritant dermatitis, allergic contact dermatitis, dermatitis associated with venous hypertension, dyshidrotic dermatitis...

View item »
Letter: Protective role of vitamin D as a cellular immuno-modulator in Mycobacterium tuberculosis infected health care workers

Item type: Journal Article • Journal: South African Family Practice • Authors: M Panajatovic --- Department of Internal Medicine, South Africa

View item »
Factors predisposing to obesity: a review of the literature

Item type: Journal Article • Journal: South African Family Practice • Authors: AT Ali --- Department of Chemical Pathology, National Health Laboratory Service, NJ Crowther --- Department of Chemical Pathology, National Health Laboratory Service,

The rising prevalence of obesity is a worldwide problem affecting not only the developed world but also developing nations such as South Africa. Excess body fat deposition is caused by an imbalance between energy intake and energy expenditure and there...

View item »
Adherence to antiretroviral therapy, virologic failure and workload at the Rustenburg Provincial Hospital

Item type: Journal Article • Journal: South African Family Practice • Authors: NO Chabikuli --- , DO Datonye --- Department of Family Medicine, South Africa J Nachega --- Centre for Infectious Diseases and Department of Medicine, South Africa D Ansong --- Department of Child Health, Ghana

Background: Adherence to antiretroviral therapy (ART) is a strong predictor of progression to AIDS and death. It remains the most important potentially alterable factor that determines treatment outcomes.

View item »
An approach to the diagnosis and management of patchy, non-scarring hair loss

Item type: Journal Article • Journal: South African Family Practice • Authors: HF Jordaan --- Department of Dermatology,

This article presents a clinical approach to patchy, non-scarring hair loss and includes conditions like alopecia areata, trichotillomania, dermatophyte infection of the scalp, syphilitic alopecia and traction folliculitis.

View item »
Current approach to diagnosis and management of osteoarthritis

Item type: Journal Article • Journal: South African Family Practice • Authors: C Ickinger --- Division of Rheumatology, M Tikly --- Division of Rheumatology,

Osteoarthritis (OA) is a common chronic degenerative joint disorder and a major cause of pain and disability, especially in the elderly. The prevalence is steadily rising due to an increase in life expectancy and certain lifestyle factors. OA is a...

View item »
Nail changes in systemic diseases

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, South Africa MC Mayayise --- Department of Internal Medicine, South Africa

Discerning between actual nail conditions and nail changes associated with systemic disease is a very important and interesting part of any clinical examination. This article provides a helpful clinical atlas of nail changes that may be associated with systemic disease...

View item »
Impetigo in children: a clinical guide and treatment options

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

Impetigo is a contagious, superficial bacterial infection of the skin, most frequently encountered in children. Causative organisms are almost always Staphylococcus aureus or streptococci, or a combination of the two. Predisposing factors are nasal and perineal colonisation, overcrowding, poor personal...

View item »
Superficial skin infections and the use of topical and systemic antibiotics in general practice

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

Superficial bacterial infections of the skin are very common. With the increasing burden of human immunodeficiency virus (HIV), this is likely to worsen. Examples of such infections include impetigo, erysipelas, cellulitis, ecthyma, furuncles, carbuncles and subcutaneous abscesses. Common causative organisms...

View item »
An overview of topical treatment for atopic eczema

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

Atopic eczema is a chronic, relapsing inflammatory disease of the skin. It is characterised by dry, itchy skin and a typical distribution on the elbows and knees in younger children, and the cubital and popliteal fossae in older children and...

View item »
Point-of-care estimation of haemoglobin concentration in all age groups in clinical practice

Item type: Journal Article • Journal: South African Family Practice • Authors: E Schapkaitz --- Department of Haematology and Molecular Medicine, J Mahlangu --- Department of Haematology and Molecular Medicine,

Background: The measurement of haemoglobin (Hb) concentration provides a reliable, primary screening test for the presence and severity of anaemia. The HemoCue® is a point-of-care test for Hb measurement. The introduction of point-of-care testing in hospitals and general practice has...

View item »
Herpes simplex virus I and II: a therapeutic approach

Item type: Journal Article • Journal: South African Family Practice • Authors: H Van der Plas --- Division Infectious Diseases and HIV Medicine, Department of Medicine, D Hardie --- Division of Virology, National Health Laboratory Service,

Herpes simplex viruses (HSV) are ubiquitous in humans, and infection with HSV produces a diverse spectrum of disease. The vast majority of HSV infections in adults are easily recognised and relatively benign in their clinical manifestation, but occasionally, life-threatening infections,...

View item »
The relationship between ABO/rhesus blood groups and type 2 diabetes mellitus in Maghnia, western Algeria

Item type: Journal Article • Journal: South African Family Practice • Authors: Sahi M Dali --- Laboratoire de valorisation de l'action de l'homme pour la protection de l'environnement et application en santé publique (équipe environnement et santé), Faculté des Sciences, Algérie Metri A Aour --- Laboratoire de valorisation de l'action de l'homme pour la protection de l'environnement et application en santé publique (équipe environnement et santé), Faculté des Sciences, Algérie F Belmokhtar --- Department of Ecology and Environment, Algérie R Belmokhtar --- Department of Ecology and Environment, Algérie F Boazza --- Laboratoire d'Anthropologie des Religions et comparaison, Faculté des Sciences Humaines et Sociales, Algérie

Background: To determine the relationship between ABO/rhesus (Rh) blood groups and type 2 diabetes mellitus in a western Algerian population.

View item »
The Consumer Protection Act: implications for medical practice

Item type: Journal Article • Journal: South African Family Practice • Authors: E Van den Berg --- Healthcare Navigator,

View item »
National Health Insurance: implications for medical practice

Item type: Journal Article • Journal: South African Family Practice • Authors: E Van den Berg --- Healthcare Navigator,

View item »
Common scalp disorders in general practice

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

Scalp disorders are very common in general practice, and result in emotional stress in adult patients due to the associated social stigma. They occur as primary diseases of the scalp, as part of a generalised inflammatory skin disease, or as...

View item »
The management of acute low back pain in adults: a guide for the primary care physician

Item type: Journal Article • Journal: South African Family Practice • Authors: SW Brighton --- Department of Rheumatology,

To diagnose patients with acute low back pain (LBP), a focused physical examination needs to be conducted and a detailed history obtained. The patient should then be placed into one of three broad categories, namely nonspecific LBP, pain associated with...

View item »
An approach to mild to moderate atopic eczema

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology,

Atopic eczema is a chronic, relapsing inflammatory disease of the skin characterised by dryness and itching, with typical distribution on the elbows and knees in younger children and on the cubital and popliteal fossae in older children and adults. It...

View item »
The quality of specimens obtained by fine-needle aspiration biopsy: does training make a difference?

Item type: Journal Article • Journal: South African Family Practice • Authors: J Goedhals --- Department of Anatomical Pathology, J Thiart --- Department of Anatomical Pathology, G Joubert --- Department of Biostatistics, CA Wright --- Division of Anatomical Pathology,

Background: The aim of this study was to determine the outcome of a one-hour training session on the correct technique of fine-needle aspiration biopsy (FNAB) by assessing adequacy of FNAB specimens received from clinicians at an academic hospital.

View item »
An approach to psoriasis in general practice

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, L Nkosi --- Department of Dermatology,

Psoriasis is a genetically determined inflammatory and proliferative disease of the skin, presenting with sharply demarcated scaly plaques, especially on the extensor prominences and the scalp. Although it is a clinical diagnosis, biopsy can help to confirm the diagnosis. Treatment...

View item »
Management of mild to moderate acne vulgaris

Item type: Journal Article • Journal: South African Family Practice • Authors: P Malahlela --- Department of Dermatology, MH Motswaledi --- Department of Dermatology,

Acne is a chronic inflammatory disease of the pilosebaceous units. It is the most common diagnosis in dermatology and regularly affects adolescents and young adults. Acne can be mild, moderate or severe. Treatment includes topical keratolytics, topical retinoids, antibiotics, hormonal...

View item »
A qualitative exploratory study: Using medical students' experiences to review the role of a rural clinical attachment in KwaZulu-Natal

Item type: Journal Article • Journal: South African Family Practice • Authors: PD Mc Neill --- Facilitator at the Centre for Rural Health, LM Campbell --- School of Education, University of KwaZulu-Natal,

Objectives: There are challenges when it is considered that a main role of a rural clinical attachment for medical students is to encourage students to return after graduation to practise in rural areas. This view may lead to the relative...

View item »
The diagnosis and management of alopecia

Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, K Mathekga --- Department of Dermatology,

Alopecia refers to loss of hair from the scalp or other hair-bearing areas of the body. Alopecia has a significant impact on quality of life. It is commonly associated with loss of self-esteem and emotional stress. It can be non-scarring...

View item »
Advanced oral HIV-associated Kaposi sarcoma with facial lymphoedoema as an indicator of poor prognosis

Item type: Journal Article • Journal: South African Family Practice • Authors: L Feller --- Department of Periodontology and Oral Medicine, R Essop --- Department of Periodontology and Oral Medicine, MH Motswaledi --- Department of Dermatology, Faculty of Health Sciences, RAG Khammissa --- Department of Periodontology and Oral Medicine, J Lemmer --- Department of Periodontology and Oral Medicine,

Rapidly progressive facial lymphoedoema that develops concurrently with or immediately after rapid enlargement of oral Kaposi sarcoma in human immunodeficiency virus (HIV) -seropositive persons forebodes death. Previously, we reported on three patients with HIV-associated Kaposi sarcoma who had not been...

View item »
The management of acute low back pain in adults: a guide for the primary care physician, Part II

Item type: Journal Article • Journal: South African Family Practice • Authors: SW Brighton --- Department of Rheumatology,

When a patient presents with acute low back pain (LBP), any red flag warnings of serious disease should first be excluded. Yellow and blue flag warnings of psychological factors should be noted. A psychological opinion of patients with substantial psychological...

View item »
Current approach to diagnosis and management of osteoarthritis

Item type: Journal Article • Journal: South African Family Practice • Authors: C Ickinger --- Division of Rheumatology, M Tikly --- Division of Rheumatology,

Osteoarthritis (OA) is a common chronic degenerative joint disorder and a major cause of pain and disability, especially in the elderly. The prevalence is steadily rising due to an increase in life expectancy and certain lifestyle factors. OA is a...

View item »
Translation and cultural adaptation with specific reference to Tshivenda and English: a case of medical terms and expressions

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Richard Ndwayamato Madadzhe --- School of Languages and Communication Studies, Faculty of Humanities, Mabula Mashamba --- School of Languages and Communication Studies, Faculty of Humanities,

This article investigated the challenges encountered by translators when translating medical terms from English into Tshivenda and vice versa. The article revealed that translators face a major difficulty with regard to a lack of terminology in Tshivenda. This often results...

View item »
Does the knowledge of the human immunodeficiency virus serostatus influence the clinical diagnostic proficiency of Kaposi's sarcoma?

Item type: Journal Article • Journal: South African Family Practice • Authors: LJ Van Bogaert --- National Health Laboratory Service,

Objectives: Kaposi's sarcoma is an acquired immunodeficiency syndrome (AIDS)-defining illness. A spectrum of non- Kaposi's sarcoma clinical and histopathological mimickers contributes to the potential over- or underdiagnosis of Kaposi's sarcoma. The aim of this audit was to investigate the clinical...

View item »
Drug delivery techniques of the future

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: TH Stanley --- Director, Anesthesiology Research Laboratories,

View item »
Thoracic Combined Spinal-Epidural (CSE) Anaesthesia

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: RA Lee --- Department of Biomechanical Engineering, Mechanical, Materials and Maritime Engineering, The Netherlands AAJ Van Zundert --- Department of Anaesthesiology, Intensive Care, and Pain Therapy, The Netherlands WA Visser --- Department of Anaesthesiology, Intensive Care and Pain Management, The Netherlands LMA Lataster --- Department Anatomy & Embryology, Faculty of Health, Medicine and Life Sciences, The Netherlands PA Wieringa --- Department of Biomechanical Engineering, Mechanical, Materials and Maritime Engineering, The Netherlands

The experimental delivery of spinal anaesthetics to the desired heights in the body, even above the termination of the spinal cord (thoracic level), has been shown to be potentially very valuable. Since there is no blockade of the lower extremities,...

View item »
Allergic rhinitis in South Africa: 2012 guidelines

Item type: Journal Article • Journal: South African Family Practice • Authors: RJ Green --- Department of Paediatrics and Child Health, M Hockman --- Private Practice, Linksfield Clinic and Sandton Clinic, R Friedman --- Lancet Laboratories and Division of Medical Virology, Faculty of Health Sciences, E Vardas --- Lancet Laboratories, P Cole --- Netcare Krugersdorp Hospital, A Halkas --- Charlotte Maxeke Johannesburg Academic Hospital and University of the Witwatersrand, C Feldman

Allergic rhinitis (AR) is an important disease in South Africa. The South African Allergic Rhinitis Working Group (SAARWG) has published previous guidelines on AR diagnosis and management. Areas of concern have arisen that require additional information, including the management of...

View item »
Gouty arthritis: an approach for general practice

Item type: Journal Article • Journal: South African Family Practice • Authors: M Tikly --- Division of Rheumatology, K Makan --- Division of Rheumatology,

Gout is a common crystal-induced inflammatory arthritis, the prevalence and clinical complexity of which is increasing in the face of a growing aged population with multiple co-morbidities. Recent epidemiological studies emphasise that lifestyle factors strongly influence the development of hyperuricaemia...

View item »
Lithostructural framework and rare metal (Ta-Nb-Sn-Li-Be) mineralisation in lepidolite from the Ijero-Aramoko pegmatite field, south-western Nigeria

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwatoyin O Akinola --- Department of Geology, Nigeria

A lithological framework and petrochemical features relating to Ta-Nb-Sn-Li-Be mineralisation in lepidolite from the Ijero-Aramoko pegmatite field, south-western Nigeria were investigated. Systematic geological mapping revealed that the pegmatite occurs as steeply inclined intrusive bodies in a basement of gneisses and...

View item »
Changes in the trophic structure, abundance and species diversity of exploited fish assemblages in the artisanal fisheries of the northern coast, Senegal, West Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: I Ndour --- Institut Sénégalais de Recherches Agricoles [ISRA]/Centre de Recherche Océanographique de Dakar-Thiaroye [CRODT], Sénégal F Le Loc'h --- Institut de Recherche pour le Développement [IRD], Laboratoire des sciences de l'Environnement Marin [UMR 6539 LEMAR] (Centre national de la recherche scientifique [CNRS], France J Kantoussan --- Université Gaston Berger [UGB], Sénégal M Thiaw --- Institut Sénégalais de Recherches Agricoles [ISRA]/Centre de Recherche Océanographique de Dakar-Thiaroye [CRODT], Sénégal HD Diadhiou --- Institut Sénégalais de Recherches Agricoles [ISRA]/Centre de Recherche Océanographique de Dakar-Thiaroye [CRODT], Sénégal JM Ecoutin --- Institut de Recherche pour le Développement [IRD], Sénégal L Tito de Morais --- Institut de Recherche pour le Développement [IRD], Laboratoire des sciences de l'Environnement Marin [UMR 6539 LEMAR] (Centre national de la recherche scientifique [CNRS], France OT Thiaw --- L'Institut Universitaire de Pêche et d'Aquaculture [IUPA], Sénégal

This work investigates the effects of changes in both fishing pressure and the environment on the trophic dynamics, abundance and diversity of species in the artisanal commercial fisheries off the northern coast of Senegal. Using artisanal commercial fishing data (provided...

View item »
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 Africa

The 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...

View item »
Status and diurnal activity budget of non-breeding White-headed Ducks Oxyura leucocephala in Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nedjwa Meziane --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria Boudjéma Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria

In Algeria, the Globally Endangered White-headed Duck Oxyura leucocephala is resident throughout the year in the coastal wetlands of north-east Algeria and the Hauts Plateaux, where it occupies habitats that range from freshwater ponds and brackish marshes to hypersaline lakes...

View item »
Aspects of the breeding ecology of the Purple Swamphen Porphyrio porphyrio in the wetland complex of Guerbes-Sanhadja, north-east Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bara Mouslim --- Laboratoire Ecologie des Systèmes terrestres et aquatiques, Algeria Merzoug Seyf Eddine --- Laboratoire Biologie, Eau et Environnement, Algeria Khelifa Rassim --- Laboratoire Biologie, Eau et Environnement, Algeria Bouslama Zihad --- Laboratoire Ecologie des Systèmes terrestres et aquatiques, Algeria Houhamdi Moussa --- Laboratoire Biologie, Eau et Environnement, Algeria

The Purple Swamphen Porphyrio porphyrio is a common rail that previously was little investigated in North Africa. From 2011 to 2013, its breeding ecology was studied at two natural wetlands in north-east Algeria, namely Garaet Hadj Tahar and Garaet Messaoussa...

View item »
Approaches to learning by pre-service science students of an institution of higher learning: an exploratory study

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sheila N. Matoti --- Department of Educational and Professional Studies, South Africa

This case study explored pre-service science students’ approaches to studying and learning. The participants were 65 undergraduate students (females = 47%; age range 18 to 25 years) at a university of technology in South Africa. Students’ preferences for deep or surface learning...

View item »
The clinical relevance of fasting serum insulin levels in obese subjects

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: N J Crowther --- Department of Chemical Pathology, National Health Laboratory Service,

View item »
Disseminated large cell neuroendocrine carcinoma associated with ectopic adrenocorticotropic hormone secretion

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A Van der Walt --- Department of Internal Medicine, Division of Endocrinology, K Huddle --- Department of Internal Medicine, Division of Endocrinology, S Pather --- Department of Anatomical Pathology, A Korb --- Department of Internal Medicine Division of Endocrinology,

View item »
Acanthosis nigricans: a flag for insulin resistance

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: S Venkatswami --- Department of Dermatology, India S Anandam --- Department of Dermatology, India

Objectives: Acanthosis nigricans refers to the velvety, black hyperpigmentation seen in the flexures. It is a cutaneous marker for insulin resistance (IR), some metabolic disorders and rarely malignancy. When secondary to IR, it is asymptomatic, except for the hyperpigmentation. The...

View item »
$Modelling the effects of storage temperature on the respiration rate of different pomegra nate fractions$

Modelling the effects of storage temperature on the respiration rate of different pomegra nate fractions

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Wilhelmina V Aindongo --- Department of Food Science, Faculty of AgriSciences, South Africa Oluwafemi J Caleb --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa Pramod V Mahajan --- Department of Horticultural Engineering, Germany Marena Manley --- Department of Food Science, Faculty of AgriSciences, South Africa Umezuruike Linus Opara --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa

Temperature is one of the main factors that affects fresh produce respiration rate (RR). This study investigated the effects of storage temperature (5, 10, 15 and 22 °C) on the RRs of the pomegranate (Punica granatum L.) ‘Bhagwa’ whole fruit,...

View item »
Impact of soil amendments and weather factors on bacterial wilt and yield of two tomato cultivars in Abeokuta, Nigeria

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Akinola R Popoola --- Department of Crop Protection, Nigeria Sikiru A Ganiyu --- Department of Crop Protection, Nigeria Oluwatoyin A Babalola --- Department of Soil Science and Land Management, Nigeria Emily I Ayo-John --- Department of Crop Protection, Nigeria Ayodele A Fajinmi --- Department of Crop Protection, Nigeria Iyabo A Kehinde --- Department of Biological Sciences, Nigeria Taiwo H Adegboye --- IFSERAR, Nigeria

Tomato bacterial wilt, caused by Ralstonia solanacearum, leads to tomato yield losses of up to 80% in south-western Nigeria. Soil amendments and weather conditions are important in the management of the disease. Field experiments were conducted at the Research Farm...

View item »
Complementary therapy in atopic eczema: the latest systematic reviews

Item type: Journal Article • Journal: South African Family Practice • Authors: Yasmeen Thandar --- Department of Basic Medical Sciences, Faculty of Heath Sciences, South Africa Julia Botha --- Department of Pharmaceutical Sciences, South Africa Anisa Mosam --- Department of Dermatology, South Africa

Complementary and alternative medicines (CAM) are widely used for atopic eczema (AE) with user estimates as high as 63%. Despite the availability of effective conventional therapies, the chronic nature of AE and concerns about long-term steroid use lead many patients...

View item »
Materials science, technology and innovation in sub-Saharan Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Jung Yong Kim --- Organic Electronics and Spintronics Laboratory, Department of Materials Engineering, Ethiopia

In Ethiopia, the first Materials Engineering Department was inaugurated at Adama Science and Technology University in 2013. The department, pursuing world-class excellence both in teaching and research, will strongly contribute to Materials Science, Technology and Innovation (STI)-led industrialisation in Ethiopia...

View item »
Adopting latecomers' strategies for the development of renewable energy technology in Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Maruf Sanni --- National Centre for Technology Management, Federal Ministry of Science and Technology, Obafemi Awolowo University, Nigeria Oluwatosin G Oladipo --- National Centre for Technology Management, Federal Ministry of Science and Technology, Obafemi Awolowo University, Nigeria Ibikunle O Ogundari --- National Centre for Technology Management, Federal Ministry of Science and Technology, Obafemi Awolowo University, Nigeria O Titilayo Aladesanmi --- National Centre for Technology Management, Federal Ministry of Science and Technology, Obafemi Awolowo University, Nigeria

The overall objective of this paper is to develop strategies on how renewable energy technology could be used to abate climate change impacts in Africa. While assessing the potential impacts of climate change in Africa, the paper asserts that renewable...

View item »
Computerised inventory management for a manufacturing industry: A case study in Nigeria

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Emmanuel Seye Owoeye --- Mechanical Engineering Department, Nigeria Samuel Babatope Adejuyigbe --- Mechanical Engineering Department, Nigeria Bukola Olalekan Bolaji --- Mechanical Engineering Department, Nigeria A.F. Adekoya --- Computer Science Department, Nigeria

Various authors have suggested that the cost of purchasing and holding inventory can account for as much as 60%–80% of the total cost of a product or service. Usually, only some of the inventory (about 10%) contributes to 70%–80% of...

View item »
The use of ultrasonography in the perioperative management of penetrating chest trauma with indwelling blade

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Kudsk-Iversen --- Stanger Hospital, South Africa R Matos-Puig --- Stanger Hospital, South Africa

We report on the anaesthetic and postoperative analgesic management of a patient presenting with a single penetrating thoracic injury, with radiological confirmation of a foreign object still present in the thorax. The patient underwent an emergency right posterolateral thoracotomy. We...

View item »
Effects of an exercise programme with people living with HIV: research in a disadvantaged setting

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Clemens Ley --- Universität Wien, Institut für Sportwissenschaft, Austria Lloyd Leach --- University of the Western Cape, Department of Sport, Recreation and Exercise Science, South Africa María Rato Barrio --- Palacky University Olomouc, Department of Development Studies, Czech Republic Susan Bassett --- University of the Western Cape, Department of Sport, Recreation and Exercise Science, South Africa

This study aimed to analyse the physical health effects of a community based 10-week physical activity programme with people living with HIV. It was developed, implemented and evaluated in a disadvantaged community in South Africa. A pre-post research design was...

View item »
The dialectic between the West and Africa: A deconstructive approach to N.M. Khaketla's works

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Thato Mabolaeng Monyakane --- Department of African Languages, South Africa

This study seeks to establish which outlook (African or Western) the publishers of Sesotho literature wanted to promulgate at a given time in the three eras of its development, i.e. the missionary, apartheid and post-apartheid eras. The article will consider...

View item »
Soil organic carbon and nitrogen stocks along a seasonal wetland (dambo) transect in central Zimbabwe

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: George Nyamadzawo --- Department of Soil Science and Agricultural Engineering, Zimbabwe Menas Wuta --- Department of Soil Science and Agricultural Engineering, Zimbabwe Justice Nyamangara --- International Crops Research Institute for the Semi Arid Tropics, Matopos Research Station, Zimbabwe Philip Nyamugafata --- Department of Soil Science and Agricultural Engineering, Zimbabwe

Ecosystems of central and southern Africa are occupied by some of the largest seasonal wetlands commonly called dambos. Dambos are likely to store huge stocks of soil organic carbon (SOC) because of their saturated conditions. However, most available literature report...

View item »
Acacia plantations in Vietnam: research and knowledge application to secure a sustainable future

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: EK Sadanandan Nambiar --- CSIRO Land and Water Flagship, Black Mountain Laboratories, Australia Christopher E Harwood --- CSIRO Land and Water Flagship, Australia Nguyen Duc Kien --- Vietnamese Academy of Forest Sciences, Vietnam

Vietnam has established 1.1 million ha of acacia plantations for wood production, managed on 5- to 10-year rotation cycles. Nearly 50% of the resource is managed by small growers holding 1–5 ha woodlots. Acacia plantations have emerged as an important...

View item »
Toxicity evaluation of effluent from the de-oiling works of a decommissioned Nigerian crude oil pipeline using Palaemonetes africanus

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NH Amaeze --- Ecotoxicology Laboratory, Department of Zoology, Nigeria FA Adetoro --- Ecotoxicology Laboratory, Department of Zoology, Nigeria OA Adegboro --- Ecotoxicology Laboratory, Department of Zoology, Nigeria

Oil industry activities often involve the cleaning and replacement of pipelines, usually resulting in the discharge of effluents into waterbodies. The toxicity of de-oiling effluent from a decommissioned crude oil pipeline in the Niger Delta region of Nigeria was assessed...

View item »
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, Germany

Habitat 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...

View item »
Foraging mode of a group-living lizard, Cordylus cataphractus (Cordylidae)

Item type: Journal Article • Journal: African Zoology • Authors: P. le --- Department of Zoology, South Africa F.N. Mouton --- Department of Zoology, South Africa H. Geertsema --- Department of Entomology & Nematology, South Africa L. Visagie --- Department of Zoology, South Africa

Cordylus cataphractus is a group-living lizard endemic to the dry western regions of southern Africa. Groups of up to 30 individuals are regularly encountered and, if this species is a sit-and-wait forager like other members of its family, competition for...

View item »
Studies on African zygaenoid moths (Lepidoptera: Zygaenoidea): descriptions of final instar larvae of Psycharium pellucens, P. montanum and Psycharium sp. A, with notes on the larva of P. barnardi and Somabrachys (Somabrachyidae)

Item type: Journal Article • Journal: African Zoology • Authors: H. Geertsema --- Department of Entomology and Nematology, South Africa

Generalized descriptions of the larvae of Somabrachyidae, with brief notes on their biology and habits, are presented. Illustrations in colour as well as a key for the identification of final instar larvae of Psycharium pellucens, P. montanum and Psycharium sp...

View item »
Population dynamics and ecology of freshwater gastropods in the highveld and lowveld regions of Zimbabwe, with emphasis on schistosome and amphistome intermediate hosts

Item type: Journal Article • Journal: African Zoology • Authors: G. Chingwena --- Department of Paraclinical Veterinary Studies, Zimbabwe S. Mukaratirwa --- Department of Paraclinical Veterinary Studies, Zimbabwe M. Chimbari --- University of Zimbabwe Lake Kariba Research Station, Zimbabwe T. K. Kristensen --- Danish Bilharziasis Laboratory, Denmark H. Madsen --- Danish Bilharziasis Laboratory, Denmark

From November 1998 to October 2000, patterns of distribution and seasonal population fluctuations of snails and factors influencing them were investigated in six dams and six streams in the highveld region, and in nine dams in the lowveld region of...

View item »
Trematode infection among freshwater gastropods in Tessaout Amont irrigation system, Morocco

Item type: Journal Article • Journal: African Zoology • Authors: Hammou Laamrani --- Ministry of Education, Morocco Eline Boelee --- Department of Parasitology, Faculty of Medicine, the Netherlands Henry Madsen --- Danish Bilharziasis Laboratory, Denmark

In the summer of 1994 and the spring of 1995, a snail survey aimed at determining relationships between the distribution of molluscan fauna, various environmental factors and trematode infection was carried out in the Tessaout Amont irrigation system, Morocco. The...

View item »
The Mollusca inhabiting rice fields in northern Cameroon and their role as intermediate hosts for schistosomes

Item type: Journal Article • Journal: African Zoology • Authors: A. Ndassa --- General Biology Laboratory, Faculty of Science, Cameroon R. Mimpfoundi --- General Biology Laboratory, Faculty of Science, Cameroon

A systematic account is given of the freshwater gastropod and bivalve fauna of Ouro-Doukoudje, northern Cameroon, based on a survey conducted from July 2000 to June 2001 at 12 sites in rice fields spanning 800 ha. In total, 14 species...

View item »
Morphological studies on Bulinus sp. (Gastropoda: Planorbidae) from Nchout Monoun, Cameroon

Item type: Journal Article • Journal: African Zoology • Authors: R. Mimpfoundi --- General Biology Laboratory, Faculty of Science, Cameroon A. Ndassa --- General Biology Laboratory, Faculty of Science, Cameroon

Since 1990, diploid Bulinus sp. populations have been reported from many sites in the volcanic western Bamileke and Bamoun plateau in Cameroon; starch gel electrophoresis of enzymes and chromosome analyses have revealed a single band in hydroxybutyrate dehydrogenase (HBDH), isocitrate...

View item »
Description and ecology of larvae of Glossogobius callidus and Redigobius dewaali (Gobiidae) from temperate South African estuaries

Item type: Journal Article • Journal: African Zoology • Authors: Nadine A. Strydom --- South African Institute for Aquatic Biodiversity, South Africa Francisco J. Neira --- Marine Research Laboratories, Tasmanian Aquaculture and Fisheries Institute (TAFI), University of Tasmania, Australia

This paper describes the morphology and ecology of the larvae and early juveniles of two common gobiids in warm temperate South African estuaries. The early developmental stages of Glossogobius callidus and Redigobius dewaali were collected during plankton surveys in seven...

View item »
Food habits and trophic resource partitioning among three mormyrid fishes from man-made Lake Ayame, Ivory Coast

Item type: Journal Article • Journal: African Zoology • Authors: E. P. Kouamélan --- Université de Cocody-Abidjan, UFR Bio-sciences, Laboratoire d’Hydrobiologie, Ivory Coast T. Koné --- Université de Cocody-Abidjan, UFR Bio-sciences, Laboratoire d’Hydrobiologie, Ivory Coast V. N’Douba --- Université de Cocody-Abidjan, UFR Bio-sciences, Laboratoire d’Hydrobiologie, Ivory Coast F. Ollevier --- Katholieke Universiteit Leuven (K.U.L), Zoological Institute, Laboratory of Ecology and Aquaculture,, Belgium

Feeding habits and trophic relationships among three mormyrid species (Petrocephalus bovei, Marcusenius ussheri and Marcusenius furcidens) were assessed in the man-made Lake Ayame in Ivory Coast. The index of preponderance combining the occurrence and weight percentages of the identified prey...

View item »
Phylogeography and genetic diversity of Psammophis schokari (Serpentes) in North Africa based on mitochondrial DNA sequences

Item type: Journal Article • Journal: African Zoology • Authors: C. Rato --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal J. C. Brito --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal M. A. Carretero --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal S. Larbes --- Département de Biologie, Algeria B. Shacham --- Department of Evolution, Systematics & Ecology, Israel D. J. Harris --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal

The snake Psammophis schokari has a widespread distribution across North Africa, and in Morocco/Western Sahara is represented by three different morphotypes: striped, unicoloured and the Western-Sahara morph. ND4 mitochondrial DNA sequences from 28 specimens comprising 20 P. shokari, two P...

View item »
Helminth parasites of amphibians from a rainforest reserve in southwestern Nigeria

Item type: Journal Article • Journal: African Zoology • Authors: M. S. O. Aisien --- Laboratory of Parasitology Research, University of Benin, Nigeria S. O. Ogoannah --- Department of Animal and Environmental Biology, Nigeria A. A. Imasuen --- Laboratory of Parasitology Research, University of Benin, Nigeria

Helminth parasites of amphibians from the Gelegele Forest Reserve, a pristine forest in southwestern Nigeria, were investigated. Amphibians encountered included Amietophrynus maculatus, Hoplobatrachus occipitalis, Aubria subsigillata, Ptychadena longirostris, Ptychadena oxyrynchus, Ptychadena bibroni, Ptychadena pumilio, Chiromantis rufescens, Leptopelis hyloides, Hyperolius fusciventris...

View item »
Rapid assessment of montane anuran communities in the Albertine Rift: Hyperolius castaneus Ahl, 1931 as an umbrella species for conservation

Item type: Journal Article • Journal: African Zoology • Authors: Ulrich Sinsch --- Institute of Integrated Sciences, Department of Biology, Germany Eli Greenbaum --- Department of Biological Sciences, U.S.A. Chifundera Kusamba --- Laboratoire d’Herpétologie, Département de Biologie, Democratic Republic of Congo Edgar Lehr --- Institute of Integrated Sciences, Department of Biology, Germany

The species richness of seven montane anuran communities of the Albertine Rift was assessed with visual and acoustic transects. A total of 28 anuran species were detected. The highland anuran communities at (2000–2800 m) were dominated by up to nine...

View item »
Parasitic infections of amphibians in the Pendjari Biosphere Reserve, Benin

Item type: Journal Article • Journal: African Zoology • Authors: M.S.O. Aisien --- Laboratory of Parasitology Research, Department of Animal and Environmental Biology, Faculty of Life Sciences, Nigeria S.G.A. Nago --- Faculté des Sciences Agronomiques, Université d’Abomey-Calavi, Bénin M.O. Rödel --- Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, Herpetology, Germany

The parasitic infections of amphibians in the National Park (pristine savanna), Buffer Zone (slightly altered savanna closer to fields) and Agricultural Zone (agricultural land including cotton fields with intensive use of pesticides) of the Pendjari Biosphere Reserve, Benin, were investigated...

View item »
Polystomoides bourgati (Monogenea: Polystomatidae) infecting Pelusios castaneus in southern Nigeria

Item type: Journal Article • Journal: African Zoology • Authors: E.E. Enabulele --- Laboratory of Parasitology Research, Department of Animal and Environmental Biology, Nigeri M.S.O. Aisien --- Laboratory of Parasitology Research, Department of Animal and Environmental Biology, Nigeri L.H. Du Preez --- School of Environmental Sciences and Development, Potchefstroom Campus, North-West University, South Africa

Pelusios spp. procured from four locations in southern Nigeria were investigated for polystomatid infection. None of the P. niger examined haboured monogeneans. Pelusios castaneus from Sapele, Ossisa and Abeokuta were infected with P. bourgati in the urinary bladder. The morphometrics...

View item »
Endoparasites (helminths and coccidians) in the hedgehogs Atelerix algirus and Paraechinus aethiopicus from Algeria

Item type: Journal Article • Journal: African Zoology • Authors: Mourad Khaldi --- Laboratory of Ecology, Department of Biology, Algeria Jordi Torres --- Laboratory of Parasitology, Faculty of Biology, University of Barcelona, Span Berta Samsó --- Laboratory of Parasitology, Faculty of Biology, University of Barcelona, Span Jordi Miquel --- Laboratory of Parasitology, Faculty of Biology, University of Barcelona, Span Mohamed Biche --- Department of Agricultural and Forest Zoology, Algeria Meryam Benyettou --- Laboratory of Ecology, Department of Biology, Algeria Ghania Barech --- Laboratory of Ecology, Department of Biology, Algeria Hadj Aissa Benelkadi --- Department of Agricultural and Forest Zoology, Algeria Alexis Ribas --- Laboratory of Parasitology, Faculty of Biology, University of Barcelona, Span

The study of endoparasites (helminths and coccidians) in the Algerian (Atelerix algirus) and desert (Paraechinus aethiopicus) hedgehogs was performed between July 2008 and October 2009. The helminth species found included two cestodes, Mathevotaenia erinacei (Anoplocephalidae) and an unidentified cestode larva...

View item »
Survival and movement of the Congo forest mouse (Deomys ferrugineus): a comparison of primary rainforest and fallow land in Kisangani, Democratic Republic of Congo

Item type: Journal Article • Journal: African Zoology • Authors: Jan Kennis --- Evolutionary Ecology Group, University of Antwerp, Belgium Crespin Laurent --- INRA, UR346 d’Epidémiologie animale, France Nicaise Drazo Amundala --- Animal Ecology and Resource Management Laboratory (LEGERA), University of Kisangani, Democratic Republic of Congo Akaibe Migimiru Dudu --- Animal Ecology and Resource Management Laboratory (LEGERA), University of Kisangani, Democratic Republic of Congo Herwig Leirs --- Evolutionary Ecology Group, University of Antwerp, Belgium

The Congo forest mouse, Deomys ferrugineus, occurs readily in natural and human-altered habitats in the region of Kisangani (Democratic Republic of Congo). We studied survival and movement patterns of D. ferrugineus in both habitats. Capture-mark-recapture was used to study the...

View item »
Freshwater snail distribution related to environmental factors in Banco National Park, an urban reserve in the Ivory Coast (West Africa)

Item type: Journal Article • Journal: African Zoology • Authors: I.A. Camara --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, Y.K. Bony --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, D. Diomandé --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, O.E. Edia --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, F.K. Konan --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, C.N. Kouassi --- Centre National de Recherche Agronomique (CNRA), Programme Pêche et Aquaculture Continentales (PAC), G. Gouréne --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, J.P. Pointier --- Centre de Biologie et d’Ecologie Tropicale et Méditerranéenne, USR 3278 CNRS-EPHE, Université de Perpignan,

Freshwater snails and environmental variables were studied at seven stations along the Banco River (Ivory Coast;West Africa) from March to October 2008. Two species (Physa marmorata (Physidae) and Bulinus forskalii (Planorbidae) were recorded only at one sampling site. This station...

View item »
Gastrointestinal protozoa and digestive tract parameters of wild South African warthogs (Phacochoerus aethiopicus)

Item type: Journal Article • Journal: African Zoology • Authors: D.G. Booyse --- Department of Anatomy and Physiology, B.A. Dehority --- Department of Animal Sciences,

The warthog (Phacochoerus aethiopicus) is a grazer and hindgut fermenter with an apparent unique population of protozoa; however, only a limited number of specimens have been studied to date. In addition to having a very low number of protozoal species,...

View item »
Past connection of the upper reaches of a Lake Tanganyika tributary with the upper Congo drainage suggested by genetic data of riverine cichlid fishes

Item type: Journal Article • Journal: African Zoology • Authors: S. Koblmüller --- Department of Zoology, Austria C. Katongo --- Department of Biological Sciences, Zambia H. Phiri --- Department of Fisheries, Zambia C. Sturmbauer --- Department of Zoology, Austria

The Lufubu River is the largest tributary to the southern Lake Tanganyika and its upper reaches are eparated from the lake by rapids that prevent upstream movement of lacustrine fish. Thus, the ichthyofauna of the upper Lufubu River is clearly...

View item »
The occurrence of taste buds in adults of the terrestrial ceacilian Boulengerula boulengeri Tornier, 1898 (Lissamphibia: Gymnophiona: Herpelidae)

Item type: Journal Article • Journal: African Zoology • Authors: Karolina A. Budzik --- Department of Comparative Anatomy, Poland Krystyna Żuwała --- Department of Comparative Anatomy, Poland G. John Measey --- Department of Zoology, South Africa

Two generations of gustatory organs occur during amphibian ontogeny in frogs and salamanders (Anura and Caudata), and are classified as taste buds or taste discs. Taste buds are present in larval forms, whereas taste discs are typical for adults. The...

View item »
Zooplankton and diatoms of temporary and permanent freshwater pans in the Mpumalanga Highveld region, South Africa

Item type: Journal Article • Journal: African Zoology • Authors: Luisa Riato --- Department of Paraclinical Sciences, South Africa Carin Van Ginkel --- Cripsis Environment, South Africa Jonathan C. Taylor --- School of Biological Sciences, North-West University, South Africa

This paper provides a description of the zooplankton and epiphytic diatom communities of permanent and temporary freshwater pans in the Mpumalanga Highveld region of South Africa. Few studies have investigated the biota of pans in this area, which is seriously...

View item »
Confinement lowers fertility rate of helmeted guinea fowl (Numida meleagris) eggs

Item type: Journal Article • Journal: African Zoology • Authors: Dennis M. Kimata --- School of Biological Sciences, University of Nairobi, Kenya Richard W. Mwangi --- School of Biological Sciences, University of Nairobi, Kenya Peter M. Mathiu --- Department of Veterinary Anatomy and Physiology, Kenya

Guinea fowl is a common game bird in Africa and there have been efforts to domesticate it for use as a source of human food. An important obstacle in successful domestication of guinea fowl is their low fertility rate.We studied...

View item »
Phenology, nest-site selection and breeding success of a North African colony of the yellow-legged gull, Larus michahellis

Item type: Journal Article • Journal: African Zoology • Authors: Afef Baaloudj --- Laboratoire de Recherche et de Conservation des Zones Humides University of Guelma, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides University of Guelma, Algeria Ahmed H. Alfarhan --- Center of Excellence for Research in Biodiversity King Saud University, Saudi Arabia Boudjéma Samraoui --- Center of Excellence for Research in Biodiversity King Saud University, Saudi Arabia

Gulls are good biological models to investigate anthropogenic changes affecting the environment. We studied the breeding ecology of a monospecific colony of yellow–legged gulls, Larus michahellis on the Algerian island of Srigina, during three consecutive years (2009–2011) and attempted to...

View item »
A novel methodology for the rapid assessment of waterbird vulnerability to disturbance

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kate JH England --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Colin Jackson --- A Rocha Kenya, Mwamba Bird Observatory and Field Study Centre, Kenya Philip AR Hockey --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa

A methodology for rapidly assessing the vulnerability of waterbirds to disturbance was tested at Sabaki estuary, Kenya. Three variables were employed to measure the responses of 15 species: (1) bird density, (2) minimum distance of birds from a stationary disturbance...

View item »
One comprehensive income statement: Do we need it?

Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: B Beale --- Open Polytechnic of New Zealand, New Zealand H Davey --- Waikato Management School, New Zealand G Samkin --- Waikato Management School, New Zealand

There are two ways in which comprehensive income can be disclosed. This can be either in the form of a separate financial statement as required by South Africa’s AC 101 and the International Accounting Standards Committee’s IASI in addition to...

View item »
Researching in the middle ground

Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J. Hooks --- Massey University (Albany Campus), H. Davey --- University of Waikato Management School, D. Coy --- University of Waikato Management School,

Scientific approaches to research produce one kind of knowledge and have tended to dominate accounting research, particularly research concerning disclosure and disclosure indices. Other research paradigms are equally important and generate other kinds of knowledge (Morgan, 1983). This paper describes...

View item »
The new Companies Act: An investment analyst's view

Item type: Journal Article • Journal: Investment Analysts Journal • Authors: R. W. Bethlehem --- Southern African Institute of Chartered Secretaries and Administrators,

View item »
Taylor spectrum of commuting n-contractions

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Berrabah Bendoukha --- Laboratoire de mathématiques pures et appliquées, Algeria Fatima-Zohra Delali --- Laboratoire de mathématiques pures et appliquées, Algeria

In this paper, we characterize the Taylor spectrum for a certain class of commuting n-contractions. We also investigate the behavior of this spectrum under action of involutive automorphisms of the unit ball ???? n.

View item »
Southern African pasture science in the 21st century

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Pieter A Swanepoel --- Department of Agronomy, South Africa Matt A Sanderson --- Northern Great Plains Research Laboratory, US Department of Agriculture–Agricultural Research Service, USA Lindsay W Bell --- CSIRO Sustainable Agriculture Flagship, Australia Dean T Thomas --- CSIRO Sustainable Agriculture Flagship, Australia James E Bennett --- Department of Geography, Environment and Disaster Management and Centre for Agroecology Water and Resilience, UK

View item »
A response to Metz's reply on the end of ubuntu

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Bernard Matolino --- Philosophy Department, South Africa

Thaddeus Metz argues against our position that ubuntu has reached its end. He rejects our recommendation that ubuntu both as a way of life and as an ethical theory must be jettisoned as it is no longer applicable to modern...

View item »
Short Notes

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Marc Herremans --- Royal Museum for Central Africa, Dept. Zoology (Vertebrates, Ornithology), Belgium Mark Muller --- , Botswana. Reg Allsopp --- , UK. Wendy D. Borello --- , Botswana. Elaine Pryce --- , Botswana. Barrie Pryce --- , Botswana. Diane Herremans-Tonnoeyr --- Royal Museum for Central Africa, Dept. Zoology (Vertebrates, Ornithology), Belgium Doleen Bridges --- , Botswana. D.H. De Swardt --- Deportment of Ornithology, National Museum, South Africa Stephanie J. Tyler --- , Botswana H.D. Jackson --- , New Zealand Benjamin B. Rawdon --- Department of Human Biology, Faculty of Health Sciences, South Africa. D.H. De Swardt --- Deportment of Ornithology, National Museum, South Africa M.A. Peirce --- Corresponding Associate, International Reference Centre for Avian Haematozoa, UK. M.D. Anderson --- Department of Agriculture, Land Reform, Environment & Conservation, South Africa. R.J. Dowsett --- , France L. A. Bennun W.R.J. Dean P.G. Ryan R. Slotow

View item »
Boxing and religious practice: a comment on Sender's “Church of boxing”

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Paul Weinberg --- Senior Curator of the Visual Archives, South Africa

View item »
Clinical anatomy of the superior cluneal nerve in relation to easily identifiable bony landmarks

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: L Loubser --- Department of Anatomy, South Africa RP Raath --- Jakaranda Pain Clinic, South Africa AN Van Schoor --- Department of Anatomy, South Africa

Background: Lower back pain (LBP) remains a common ailment among adult populations and a superior cluneal nerve (SCN) entrapment accounts for 10% of reported LBP cases. The diagnostic criteria for SCN entrapment include anaesthesia of the area supplied by the...

View item »
Article withdrawn: Anderson-Fabry disease: recommendations for its diagnosis, management and treatment in South Africa, 2014

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: L Bhengu --- MBChB, FCP(SA), CertMedGenetics(SA), Medical Geneticist, A Davidson --- MBChB, FCPaed, CertMedOnc(Paeds), MPhil, Associate Professor and Head Haematology Oncology Service, P Du Toit --- BM, MMed(Int), Clinical Haematologist, B Henderson --- MBChB, DCH, MMed Paeds, Head of Clinical Unit and Senior Lecturer Division Human Genetics, Department of Neurology, T Gerntholtz --- MBChB, FCP(SA), Nephrologist, K Govendrageloo --- MBChB, MMed(Paeds), Paediatric Cardiologist, R Heitner --- , L Mubaiwa --- MBChB, FCPaed(SA), MA(Child Dev), Paediatric Neurologist Division of Paediatric Neurology and Child Development, S Varughese --- MBChB, FCPaed, Senior Specialist Paediatrician, Department of Paediatrics, Gaucher and HIV Clinic,

View item »
1. Persistent elevation of BHCG-levels in a patient with stage 5D Chronic Kidney Disease

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Y Hayden --- Department of Chemical Pathology, University of the Free State/National Health Laboratory Service, South Africa E Bezuidenhout --- Division of Nephrology, Department of Internal Medicine, South Africa W de Lange --- Metabolic Research Unit, Department of Internal Medicine, South Africa O Van Schalkwyk --- Department of Obstetrics and Gynaecology, South Africa

Introduction and aim: A 24 year old female with Stage 5D chronic kidney disease (CKD) presents with persistent positive BHCG levels. BHCG elevation causes include pregnancy, pituitary production, hydatidiform mole, persistent trophoblast disease, malignancies and false positive hCG. Variants of...

View item »
The prevalence and clinical significance of acanthosis nigricans in diabetic and non-diabetic women of mixed ancestry

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: M Hoffmann --- Faculty of Medicine and Health Sciences, Division of Chemical Pathology, South Africa WI Visser --- Faculty of Medicine and Health Sciences, Department of Medicine, Division of Dermatology, South Africa B Ascott-Evans --- Faculty of Medicine and Health Sciences, Department of Medicine, Division of Endocrinology, South Africa FS Hough --- Faculty of Medicine and Health Sciences, Department of Medicine, Division of Endocrinology, South Africa

Objectives: The purpose of this study was to improve our understanding of the prevalence of acanthosis nigricans (AN) and its clinical relevance in our mixed-ancestry population and to investigate its association with abnormal glucose metabolism, obesity and hypertension.

View item »
Performance and design optimisation of an apparatus for distilling palm wine (Elaeis guineensis) by controlling thermal operations

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Clément Ahouannou --- Laboratory of Applied Mechanics and Energy, Polytechnic School of Abomey-Calavi, Benin Fidèle Tchobo --- Laboratory Study and Research in Applied Chemistry, Polytechnic School of Abomey-Calavi, Benin Emile A. Sanya --- Laboratory of Applied Mechanics and Energy, Polytechnic School of Abomey-Calavi, Benin Christa Lokossou --- Laboratory Study and Research in Applied Chemistry, Polytechnic School of Abomey-Calavi, Benin Mohamed Soumanou --- Laboratory Study and Research in Applied Chemistry, Polytechnic School of Abomey-Calavi, Benin

Mastery of thermal control in the craft distillation processing operations of fermented wine from Elaeis guineensis is needed to improve and enhance the resulting Beninese alcoholic drink, sodabi. In this study, craft distillation of palm-wines from three municipalities of southern...

View item »
Hooking mortality of scalloped hammerhead Sphyrna lewini and great hammerhead Sphyrna mokarran sharks caught on bottom longlines

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SJB Gulak --- Riverside Technology Inc., National Marine Fisheries Service, Panama City Laboratory, USA AJ de Ron Santiago --- Riverside Technology Inc., National Marine Fisheries Service, Panama City Laboratory, USA JK Carlson --- National Marine Fisheries Service, Panama City Laboratory, USA

The scalloped hammerhead Sphyrna lewini and the great hammerhead S. mokarran are typically caught as bycatch in a variety of fisheries and are listed as globally Endangered by the International Union for the Conservation of Nature. Due to very high...

View item »
Sexual dimorphism based on body proportions and ontogenetic changes in the Brazilian electric ray Narcine brasiliensis (von Olfers, 1831) (Chondrichthyes: Narcinidae)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FA Rolim --- Fisheries Institute of São Paulo, Brazil FP Caltabellotta --- Oceanography Department, Brazil MM Rotundo --- Zoological Collection of University of Santa Cecília – UNISANTA, Brazil T Vaske-Júnior --- Elasmobranch Laboratory, Brazil

Sexual dimorphism in the Brazilian electric ray Narcine brasiliensis from the south‑western Atlantic coast was evaluated based on body proportions and ontogenetic changes. All regions of the body were found to have differences in body proportions between the sexes, except...

View item »
The evolution of chondrichthyan research through a metadata analysis of dedicated international conferences between 1991 and 2014

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Huveneers --- School of Biological Sciences, Flinders University, Australia DA Ebert --- Pacific Shark Research Center, Moss Landing Marine Laboratories, USA SFJ Dudley --- Branch: Fisheries Management, Department of Agriculture, South Africa

Science is continually evolving, with recent developments in some fields, such as conservation biology, leading to shifts in priorities and needs. Recent international conferences focused on chondrichthyan research provide an opportunity to assess how the research environment of chondrichthyan science...

View item »
Advances in Shark Research

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DA Ebert --- Pacific Shark Research Center, Moss Landing Marine Laboratories, USA C Huveneers --- School of Biological Sciences, Australia SFJ Dudley --- Branch: Fisheries management, South Africa

View item »
Update on hyperuricaemia and gout with evidence based management guidelines

Item type: Journal Article • Journal: South African Family Practice • Authors: GM Mody --- Department of Rheumatology, South Africa

Gout is now the leading cause of inflammatory arthritis, affecting 1–2% of the population. The metabolic syndrome, cardiovascular risk factors, cardiovascular events and mortality are more common with gout. However, the role of uric acid as an independent risk factor...

View item »
The case for environmental flow determination for the Phongolo River, South Africa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Dube --- Laboratory of Aquatic Ecology, Evolution and Conservation, Belgium V Wepener --- Research Unit for Environmental Sciences and Management, South Africa JHJ van Vuren --- Department of Zoology, South Africa N Smit --- Research Unit for Environmental Sciences and Management, South Africa L Brendonck --- Laboratory of Aquatic Ecology, Evolution and Conservation, Belgium

The construction of Pongolapoort Dam in 1973 on the Phongolo River in KwaZulu-Natal, South Africa, has considerably altered the hydrological behaviour and ecological response of the downstream floodplain. Changes in the flooding regime have had implications for the socio-economic importance...

View item »
Seasonal changes of nutrient levels and nutrient resorption in Avicennia marina leaves in Yingluo Bay, China

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Shudong Wei --- College of Life Sciences, China Xiaowei Liu --- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, China Lihua Zhang --- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, China Hui Chen --- College of Life Sciences, China Hui Zhang --- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, China Haichao Zhou --- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, China Yiming Lin --- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, China

Avicennia marina is a typical mangrove species of subtropical coastlines of China. However, little is known about the retention of nutrients by this species in oligotrophic, coastal environments. In this study, seasonal changes in nitrogen (N) and phosphorus (P) concentrations,...

View item »
Factors affecting nesting success in the Great-crested Grebe Podiceps cristatus at Lake Tonga, north-east Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sarra Cheriet --- Department of Ecology, FSNV-STR, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria Ahmed H Alfarhan --- Center of Excellence for Research in Biodiversity, Saudi Arabia Boudjéma Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria

The breeding ecology of the Great-crested Grebe Podiceps cristatus was investigated over four consecutive years (2009-2012) at Lake Tonga, north-east Algeria. In all four years, the egg-laying period was relatively short, spanning two months (end of March to end of...

View item »
Ocean swell variability along the northern coast of the Gulf of Guinea

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Toualy --- Laboratory of Atmospheric Physics and Fluid Mechanics, Côte d'Ivoire A Aman --- Laboratory of Atmospheric Physics and Fluid Mechanics, Côte d'Ivoire P Koffi --- Centre de Recherches Océanologiques, Côte d'Ivoire F Marin --- Université de Toulouse, UPS (OMP-PCA), LEGOS, France TE Wango --- UFR Sciences de la Terre, Côte d'Ivoire

This study analyses a 4.5 year (September 2009–March 2014) time-series of remotely-sensed data of altimeter significant wave heights to describe the temporal and spatial variability of ocean swells along the northern coast of the Gulf of Guinea. The NOAA WAVEWATCH...

View item »
A comparison of genetic structure in two low-dispersal crabs from the Wild Coast, South Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Y Qhaji --- Molecular Zoology Laboratory (Aquatic Division), Department of Zoology, South Africa B Jansen van Vuuren --- Molecular Zoology Laboratory (Aquatic Division), Department of Zoology, South Africa I Papadopoulos --- Molecular Zoology Laboratory (Aquatic Division), Department of Zoology, South Africa CD McQuaid --- Department of Zoology and Entomology, South Africa PR Teske --- Molecular Zoology Laboratory (Aquatic Division), Department of Zoology, South Africa

The Wild Coast in south-eastern South Africa is strongly influenced by the warm, southward-flowing Agulhas Current. This current has a significant impact on dispersal in the coastal biota of the region, and facilitates high levels of connectivity among populations. However,...

View item »
Triple negative, basal-like and BRCA1-associated breast cancers – what’s the difference and should anyone care?

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: T Slavik --- Ampath Pathology Laboratories, South Africa

Breast carcinoma is common in women and forms an integral part of the BRCA familial cancer syndromes. As breast cancer is considered a heterogeneous disease, clinicians have traditionally relied on clinical and morphologic findings, as well as hormone receptor/HER-2 status...

View item »
The human papilloma virus (HPV) prophylactic vaccine

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Hennie Botha --- South African HPV Advisory Board, Bruno Cooreman --- University of the Free State, Greta Dreyer --- University of Pretoria, Gerhard Lindeque --- University of Pretoria, Arrie Mouton --- University of Pretoria, Franco Guidozzi --- University of the Witwatersrand, Tony Koller --- University of the Witwatersrand, Trudy Smith --- University of the Witwatersrand, Anwar Hoosen --- University of Limpopo, Louis Marcus --- Niehaus Dyson Lancet Laboratories, Manivasan Moodley --- University of KwaZulu-Natal, Robbie Soeters --- University of Cape Town,

View item »
Frequently asked questions: human papilloma virus (HPV), cervix cancer and HPV vaccines

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Hennie Botha --- South African HPV Advisory Board, Bruno Cooreman --- University of the Free State, Greta Dreyer --- University of Pretoria, Gerhard Lindeque --- University of Pretoria, Arrie Mouton --- University of Pretoria, Franco Guidozzi --- University of the Witwatersrand, Tony Koller --- University of the Witwatersrand, Trudy Smith --- University of the Witwatersrand, Anwar Hoosen --- University of Limpopo, Louis Marcus --- Niehaus Dyson Lancet Laboratories, Manivasan Moodley --- University of KwaZulu-Natal, Robbie Soeters --- University of Cape Town,

View item »
HER2 testing: ASCO/CAP guidelines and beyond – implications for South Africa

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: S J Nayler --- Gritzman and Thatcher Laboratory, South Africa

HER2 status in breast cancer has major significance in terms of prognostication and prediction of response to chemotherapeutic agents, as well as being an absolute indicator for the use of trastuzumab. Recent guidelines for the testing and interpretation for HER2...

View item »
Cervical cancer and human papillomavirus: South African guidelines for screening and testing

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Hennie Botha --- Stellenbosch University, Bruno Cooreman --- University of the Free State, Greta Dreyer --- University of Pretoria, Gerhard Lindeque --- University of Pretoria, Arrie Mouton --- University of Pretoria, Franco Guidozzi --- University of the Witwatersrand, Tony Koller --- University of the Witwatersrand, Trudy Smith --- University of the Witwatersrand, Anwar Hoosen --- University of Limpopo, Louis Marcus --- Niehaus Dyson Lancet Laboratories, Manivasan Moodley --- University of KwaZulu-Natal, Robbie Soeters --- University of Cape Town,

View item »
Case Study: Epithelioid sarcoma of the vulva

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: L J Rogers --- Division of Gynaecological Oncology, South Africa H Wu --- Division of Anatomical Pathology, South Africa D Govender --- Division of Anatomical Pathology, South Africa L A Denny --- Division of Gynaecological Oncology, South Africa

Vulval epithelioid sarcoma is a rare, locally-aggressive malignant soft tissue tumour, which may present diagnostic difficulties, both clinically and pathologically. This can result in a delay in appropriate treatment, which consists primarily of radical wide local excision of the tumour...

View item »
Pathology of gestational trophoblastic neoplasia: a review with recent insights

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: T Slavik --- Anatomical Pathologist, Ampath Pathology Laboratories, South Africa

Gestational trophoblastic neoplasia (GTN) refers to a unique and heterogeneous group of conditions demonstrating differentiation towards various components of gestational trophoblast. Variants of hydatidiform mole (HM) are considered benign, whilst choriocarcinoma (CC), placental site trophoblastic tumour (PSTT) and the more...

View item »
The role of frozen section in the management of early endometrioid endometrial carcinoma

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: K J Richardson --- Department of Obstetrics and Gynaecology, Groote Schuur Hospital, R Soeters --- Department of Obstetrics and Gynaecology, Groote Schuur Hospital, J Whittaker --- Pathcare Laboratories, R Van Wijk --- Department of Radiation Oncology, Groote Schuur Hospital, K Dehaeck --- Department of Obstetrics and Gynaecology, Groote Schuur Hospital,

Objective: To assess the accuracy of intraoperative frozen section in patients with early endometrioid adenocarcinoma of the endometrium.

View item »
Endometrial sampling: a comparison between the Pipelle^® endometrial sampler and the Endosampler^®

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: R Soeters --- Head: Gynaecological Oncology Unit, Groote Schuur Hospital, University of Cape Town, J Whittaker --- Pathcare Laboratories, K Dehaeck --- Vincent Palloti Hospital,

Objective: To compare the adequacy of endometrial sampling by the Endosampler® and the Pipelle®.

View item »
Large loop excision of the transformation zone (LLETZ): a pathology evaluation in the Limpopo province, South Africa

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: L J Van Bogaert --- Department of Anatomical Pathology,

Objective: To evaluate the cytological and histopathological concordance in large loop excision of the transformation zone (LLETZ) specimens, and the outcomes according to the characteristics of the excision margins.

View item »
High-risk human papillomavirus screening and testing with immunohistochemical surrogate biomarkers: an alternative to polymerase chain reaction

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: L J Van Bogaert --- Pathologist National Health Laboratory Service and University of Limpopo,

View item »
Venous thrombosis in the patient with cancer

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: P F Wessels --- Private Practice, LCM Hospital, Pretoria, and Consultant, Ampath Laboratories Part-Time Consultant, Department Medical Oncology,

The relationship between cancer and thrombosis has been known for many years. Thrombotic risk is increased in the patient with cancer, and the diagnosis of venous thromboembolism at the time that a malignancy presents influences patient outcome. Risk evaluation, prophylaxis...

View item »
A cavernous haemangioma of the uterine cervix during pregnancy

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: S Mahapatra --- Department of Pathology, India B P Das --- Department of Pathology, India A Kar --- Department of Pathology, India R Das --- Department of Pathology, India K Hazra --- Department of Pathology, India S Sethy --- Department of Haematology, India

Cavernous haemangioma of the uterine cervix is extremely rare. Fewer than 50 have been reported cases to date. A nulliparous term woman presented with a sensation of “something coming out” of her introitus. The mass was found to be large,...

View item »
Bilateral serous papillary cystadenofibroma of the ovaries in a young female

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: M Nisha --- Department of Pathology, India A Garima --- Department of Hematology, India S Sneh --- Department of Pathology, India R Parveen --- Department of Pathology, India

View item »
Cervical cancer screening programme in Limpopo province: January 2007 to December 2010

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: M T Mamahlodi --- HIV/AIDS, National Institute for Communicable Disease; National Health Laboratory Services; School of Health Systems and Public Health, University of Pretoria, L R Kuonza --- National Institute for Communicable Diseases, South Africa S Candy --- Corporate Data Warehouse; National Health Laboratory Services,

Objective: South Africa launched a cervical screening policy in 2001 and aimed to screen 70% of women aged 30 years and older by the year 2010. The current study describes the performance of the cervical cancer screening programme that was...

View item »
Consensus recommendations for the prevention of cervical cancer in sub-Saharan Africa

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: I F Adewole --- Department of Obstetrics and Gynaecology, Nigeria Y R Abauleth --- University Teaching Hospital of Cocody, Cote d’Ivoire I Adoubi --- Oncology Unit, Teaching Hospital of Treichville Teacher, Medical College; Coordinator of the PNLC, Cote d’Ivoire F Amorissani --- Department of Paediatrics, Cote d’Ivoire R I Anorlu --- Professor College of Medicine, University of Lagos/Lagos University Teaching Hospital, Nigeria O A Awolude --- Obstetrician and Gynaecologist College of Medicine, University of Ibadan/University College Hospital, Nigeria H Botha --- Associate Professor and Head Unit of Gynaecological Oncology, Stellenbosch University; Tygerberg Academic Hospital, South Africa J K Byamugisha --- Department of Obstetrics and Gynaecology Makerere University School of Medicine, College of Health Sciences, Makerere University, Uganda L Cisse --- Head of Neonatal Unit, Paediatric Unit, Treichville Teaching Hospital Center, Cote d’Ivoire M Diop --- Director of Dakar Cancer Institute, Le Dantec University Hospital, Senegal S Doh --- Emeritus Professor of Obstetrics and Gynaecology, Cameroon A O Fabamwo --- Lagos State University College of Medicine Ikeja, Nigeria D Gahouma --- Clinic Union Medical, University of Health Sciences, Gabon H S Galadanci --- Medical Advisory Committee; Obstetrician and Gynaecologist, Aminu Kano Teaching Hospital, Nigeria D Githanga --- Kenyan Paediatric Association, Kenya T M Magure --- University of Zimbabwe College of Health Sciences, Zimbabwe C Mabogunje --- Massey Street Children’s Hospital, Nigeria J Mbuthia --- University of Nairobi, Kenya L W Muchiri --- Department of Human Pathology, Kenya O Ndiaye --- Cheikh Anta Diop University of Dakar, A M Nyakabau --- Clinical Oncologist, Parirenyatwa Hospital, Zimbabwe S B O Ojwang --- Professor of Obstetrics and Gynaecology, University of Nairobi, Kenya D Ramogola-Masire --- University of Pennsylvannia; University of Botswana, Botswana O Sekyere --- Korle-Bu Teaching Hospital, Ghana T H Smith --- University of Witwatersrand, Charlotte Makeke Johannesburg Academic Hospital, South Africa F O G Taulo --- Director Centre for Reproductive Health, Deputy Head and Associate Professor College of Medicine, Malawi A Wewege --- Private Practice, South Africa E Wiredu --- University of Ghana Medical School and School of Allied Health Sciences, Ghana O Yarosh --- Yarosh Medservice (PTY), Gaborone Private Hospital, Botswana

Cervical cancer is the second most common cancer and the leading cause of cancer-related death in women in sub-Saharan Africa. It is estimated that more than 200 million females older than 15 years are at risk in this region. This...

View item »
Human papillomavirus DNA testing on self-collected vaginal tampon samples as a cervical cancer screening test in a Gauteng population

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: E F Mnisi --- Gynaecological Oncology Unit, Department of Obstetrics and Gynaecology, G Dreyer --- Gynaecological Oncology Unit, Department of Obstetrics and Gynaecology, K L Richter --- Department of Medical Virology, University of Pretoria; Tshwane Academic Division, A Horton --- Department of Anatomical Pathology, University of Pretoria; Tshwane Academic Division, L C Snyman --- Gynaecological Oncology Unit, Department of Obstetrics and Gynaecology,

Background: There is a need to simplify cervical cancer screening to reach more women. Tampon-collected specimens can be tested using molecular methods, but this type of self-screening has not been properly evaluated as a screening method in South Africa before...

View item »
Case of invasive adenocarcinoma of the cervix in a human immunodeficiency virus and schistosome co-infected patient

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Louis van Bogaert --- National Health Laboratory Service, Polokwane/Mankweng Hospital Complex; University of Limpopo,

View item »
Small biopsy pathology of mass lesions of the endometrial cavity: differential diagnostic considerations

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: P Liptak --- Consultant Anatomical Pathologist, University of Pretoria; National Health Laboratory Service, R J Barnetson --- Consultant Anatomical Pathologist, Lancet Laboratories,

Sampling for histological examination is usually part of the work-up for further planning with regard to the management of patients presenting with uterine bleeding. This review, utilising the classification of the World Health Organization, aims to discuss some commonly recurring...

View item »
HPV L1 capsid protein detection in high-risk human papillomavirus-positive cervical smears

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: N Heunis --- Department of Anatomical Pathology – Cytology, A Horton --- Consultant Pathologist and Clinical Virologist, Department of Medical Virology, K L Richter --- Consultant Pathologist and Clinical Virologist, Department of Medical Virology, G Dreyer --- Department of Obstetrics and Gynaecology, M Louw --- Department of Anatomical Pathology,

Background: The L1 capsid protein is a viral nuclear protein that encapsidates the human papillomavirus (HPV) DNA to build new infectious particles. Previous studies in immune-competent patients have shown that detectable L1 protein in lowgrade squamous intraepithelial lesion (LSIL) smears...

View item »
A case study on Rosai-Dorfman disease occurring within the pelvis

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: D J Babu --- Department of Gynaecology and Surgical Oncology, A Maheshwari --- Department of Gynaecology and Surgical Oncology, M Sengar --- Department of Hematology and Medical Oncology, S Menon --- Department of Pathology, Tata Cancer Hospital, India

View item »
Epithelioid trophoblastic tumour: a report of two cases

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: MMA Elhassan --- Radiation Oncology Department, Sudan H-T Wu --- Department of Anatomical Pathology, AL Van Wijk --- Department of Radiation Oncology,

View item »
Infection control in developing countries with particular emphasis on South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A G Dusé --- AG Dusé, Division of CHmcal Microbiology and Infectious Diseases, National Health Laboratory Service and School of Pathology of the University ofthe Witwatersrand,

View item »
Apprehensions over the Present High Cancer Burden: to what Extent can They be Alleviated?

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A R P Walker --- ARP Walker, BF Walker, Biochemistry Research Unit, National Health Laboratory Service., B F Walker --- ARP Walker, BF Walker, Biochemistry Research Unit, National Health Laboratory Service.,

View item »
Antimicrobial Susceptibility Profile of Selected Invasive Pathogens from Academic Hospitals in South Africa for the years 2001 to 2004

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: P P Sein --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, A A Hoosen --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, H H Crewe-Brown --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, Y Coovadia --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, M G Dove --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, O Heidi --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, H J Koornhof --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, S Oliver --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, O Perovic --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, B Prinsloo --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, M N Janse van Rensburg --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, J Simpson --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, A W Sturm --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, J Wadula --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa, E Wasserman --- National Antibiotic Surveillance Forum (NASF) andAcademic Laboratories in South Africa,

View item »
Epidemiology of Neonatal Sepsis at Johannesburg Hospital

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: F Motara --- Department of Paediatrics and Child Health, University of the Witwatersrand., D E Ballot --- Department of Paediatrics and Child Health, University of the Witwatersrand., O Perovic --- Department of Cluneal Microbiology and Infectious Diseases, National Health Laboratory Services, Unversity of the Witwatersrand,

We evaluated sepsis in the neonatal unit at Johannesburg Hospital including the time of onset, clinical features, outcome of the treatment of patients, pathogens isolated, and antimicrobial sensitivity to provide site-specific guidelinesfor empiric antibiotic therapy. This was a retrospective study...

View item »
Life improvements in developed and developing populations

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A R P Walker --- Human Biochermstry Research Unit, National Health Laboratory Service and School of Pathology of the University of the Witwatersrand, B F Walker --- Human Biochermstry Research Unit, National Health Laboratory Service and School of Pathology of the University of the Witwatersrand,

View item »
Susceptibility of Bacillus anthracis to moxifloxacin

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: J Frean --- National Institute for Communicable Diseases, National Health Laboratory Service, and Division of Virology and Communicable Disease Surveillance, University of the Witwatersrand, L Arntzen --- Department of International Health, K Klugman --- National Institute for Communicable Diseases, National Health Laboratory Service, and Division of Virology and Communicable Disease Surveillance, University of the Witwatersrand,

A study was conducted to determine the relative susceptibilities of Bacillus anthracis to ciprofloxacin compared to moxifloxacin, an agent with enhanced potency against other Gram-positive pathogens. The minimum inhibitory concentrations (MICs) of 51 isolates of B. anthracis from southern African...

View item »
Smokeless tobacco products on the South African market do not inhibit oral bacterial flora: a pilot study

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: O A Ayo-Yusuf --- Department of Community Dentistry, C van Wyk --- Department of Community Dentistry, C W van Wyk --- Centre for Stomatological Research, School of Dentistiy. University of Pretona., I de Wet --- Department of Community Dentistry,

Smokeless tobacco (ST) is commonly used by black South African women because of its perceived medicina lproperties. This pilot study sought to evaluate the antibacterial effect of the local ST products on salivary microflora, using a growth medium. The five...

View item »
The outbreak of poliomyelitis in Namibia

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Barry Schoub --- Executive Director: National Institute for Communicable Diseases of the National Health Laboratory Service,

View item »
“Getting a handle on obesity”

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A R P Walker --- Human Biochemistry Research Unit, National Health Laboratory Service, B F Walker --- Human Biochemistry Research Unit, National Health Laboratory Service,

View item »
The comparative in vitro activities of three quinolones against clinical Streptococcus pneumoniae isolates

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: G J J Moolman --- Lancet Laboratories, South Africa H Kuun --- Lancet Laboratories, South Africa C Heney --- Lancet Laboratories, South Africa J J Schentag --- School of Pharmacy, University of Buffalo, USA

View item »
MDR/XDR tuberculosis in South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: G Coetzee --- TB Reference Laboratory National Institute for Communicable Discases of the National Health Laboratory Service, H Koornhof --- TB Reference Laboratory National Institute for Communicable Discases of the National Health Laboratory Service,

View item »
Antibiotic susceptibility patterns of anaerobic bacteria isolated in Pretoria, South Africa, during 2003–2004

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Linda Meyer --- Department of Medical Microbiology, Delene Brink --- Department of Medical Microbiology, Gerhard F Weldhagen --- AMPATH National Laboratory Services,

Antibiotic resistance amongst previously susceptible an aerobic bacteria has in creased during the last decade, raising concerns about the choice of empirical therapy, in this study, Etest methodology and Clinical Laboratory Standards Institute guidelines were used for processing and interpretation...

View item »
Diversity of bla-type genes in extended-spectrum β-lactamase-producing Klebsiella pneumoniae isolated during 2003 — 2004 at Pretoria Academic Hospital

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: L Meyer --- Department of Medical M1crob1ology, Faculty of Health Sciences,University of Pretona, C D J Labuschagne --- Department of Medical M1crob1ology, Faculty of Health Sciences,University of Pretona, M M Ehlers --- Department of Medical M1crob1ology, Faculty of Health Sciences,University of Pretona, M G Dove --- Department of Medical M1crob1ology, Faculty of Health Sciences,University of Pretona, G F Weldhagen --- Molecular Biology Laboratory, AMPATH National Laboratory Services, Pretoria.,

Multidrug resistance is emerging in many Gram-negative bacteria like Klebsiella pneumoniae, an important cause of nosocomial infections. Increasing production of extended-spectrum beta-lactamases (ESBLs) in this species has become a growing concern, due to associations with longer duration of hospital stay...

View item »
Microbiological investigation of Bartholin's gland abscesses in urban women in Johannesburg

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A Pipingas --- Department of Obstetrics and Gynaecology, Y Dangor --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits), F Radebe --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits), H G Fehler --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits), S Khumalo --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits), L de Gouveia --- Department of Microbiology, South African Institute for Medical Research and Wits, H J Koornhof --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits), R C Ballard --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance(DVCDS), University of the Witwatersrand, (Wits),

Bartholin's gland abscess of the female genital tract is fairly common in South Africa. Relatively few studies on the aetiology of this condition had been conducted before 1992 and even fewer after this date. Early literature suggested that Neisseria gonorrhoeae...

View item »
The use of p16ink4a in further defining atypical squamous cells cannot exclude a high grade lesion on cervical cytology (ASC-H): results of a pilot study

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: P Michelow --- Cytology Unit, National Health Laboratory Service and University of the Witwatersrand, Johannesburg, C Naidoo --- Cytology Unit, National Health Laboratory Service and University of the Witwatersrand, Johannesburg, T Omar --- Cytology Unit, National Health Laboratory Service and University of the Witwatersrand, Johannesburg, C Wanblad --- Cytology Unit, National Health Laboratory Service and University of the Witwatersrand, Johannesburg, A Njoli --- Cytology Unit, National Health Laboratory Service and University of the Witwatersrand, Johannesburg, M Dubb --- Cytology Unit, National Health Laboratory Service and University of the Witwatersrand, Johannesburg,

According to the Bethesda System, the most widely used terminology system for reporting cervical cytology,the category ASC-H, is defined as cells suggestive of a high grade squamous intraepithelial lesion (HSIL) but are qualitatively or quantitatively insufficient for definitive interpretation. It...

View item »
Stability of GES-type extended-spectrum ß-lactamase genes during antibiotic exposure

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: G.F. Weldhagen --- Molecular Biology Laboratory, AMPATH National Laboratory Services,

Selective antibiotic pressure has recently been implicated in possible selection behind point mutations observeriinbla GES-type genes. This studysubjectedI two well-characterised clinical isolates with class 1 integron-borne blaGES-type genes to five days incubation in the presence of minimum inhibitory concentrations (MICs)...

View item »
Gamma interferon assays as a diagnostic tool in tuberculosis infections

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C van Rooyen --- Department of Immunology and Virology, AMPATH National Laboratory Services, A J Brink --- Department of Ctimcal Microbiology, AMPATH National Laboratory Services, Milpark Hospital,

Until recently the Mantoux or tuberculin skin test has been the standard diagnostic test for latent tuberculosis (TB) infection. However, two new commercial blood assays have recently become available in South Africa for the diagnosis of latent TB infection, the...

View item »
Hepatitis B virus infection: the burden of disease in South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Michael C Kew --- South African Medical Research Council/University Molecular Hepatology Research Unit, South Africa

Hepatitis B virus infection, both acute and chronic, occurs commonly in the black population of South Africa, and chronic infection and its sequelae of cirrhosis and hepatocellular carcinoma are major public health threats. Chronic hepatitis B virus infection is rare...

View item »
Molecular characterisation of the genotypes and mutants of hepatitis B virus from South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Anna Kramvis --- MRC/CANSA/University Molecular Hepatology Research Unit, South Africa

Genotypes A, D and E of hepatitis B virus (HBV) circulate in southern Africa. The prevalence of subgenotype A1, a segment of genotype A, and its high mean nucleotide divergence suggest that this subgenotype is endemic in South African blacks...

View item »
Gaps in the diagnosis and prevention of hepatitis B virus infection

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Wolfram H Gerlich --- Institute of Medical Virology, Justus Liebig University and National Consulting Laboratory for Hepatitis B and D, Germany Ulrike C Wend --- Institute of Medical Virology, Justus Liebig University and National Consulting Laboratory for Hepatitis B and D, Germany Dieter Glebe --- Institute of Medical Virology, Justus Liebig University and National Consulting Laboratory for Hepatitis B and D, Germany

View item »
Vaccination in the line of fire

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Guido François --- Department of Epidemiology and Social Medicine, Belgium. Anna Kramvis --- MRC/CANSA/University Molecular Hepatology Research Unit, South Africa Guido Van Hal --- Department of Epidemiology and Social Medicine, Belgium. Anke Lambin --- Network for Education and Support in Immunisation (NESI), University of Antwerpen, Belgium Carine Dochez --- Network for Education and Support in Immunisation (NESI), University of Antwerpen, Belgium André Meheus --- Network for Education and Support in Immunisation (NESI), University of Antwerpen, Belgium

View item »
The Federation of Infectious Diseases Societies of Southern Africa (FIDSSA) — four years since inception

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Adrian Brink --- Clinical Microbiologist, Ampath National Laboratory Services, Milpark Hospital, South Africa Charles Feldman --- Professor of Pulmonology, Department of Medicine, South Africa

View item »
Fever and skin lesion in a traveller: what is the diagnosis?

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Lucille H Blumberg --- University of Stellenbosch, John A Frean --- National Institute for Communicable Diseases of the National Health Laboratory Service and University of the Witwatersrand,

View item »
Antibiotic synergy profiles of multidrug-resistant Pseudomonas aeruginosa in a nosocomial environment

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A Prinsloo --- Department of Haematology, A.M.S. van Straten --- Department of Medical Microbiology, G.F. Weldhagen --- Infectious Diseases Unit,

Pseudomonas aeruginosa is one of the most common nosocomial pathogens in intensive care units (ICUs), with an increased prevalence of multidrug resistance in nosocomial infections. This study aimed to determine antibiotic synergy profles of multidrug-resistant P. aeruginosa originating from ICU...

View item »
Molecular characterisation of resistant Mycobacterium tuberculosis isolates from Dr George Mukhari Hospital, Pretoria, South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E. Green --- School of Mathematics and Natural Sciences, L.C. Obi --- Research and Academic Directorate, Walter Sisulu University, M Nchabeleng --- Department of Microbiological Pathology, B.E. de Villiers --- Department of Microbiological Pathology, P.P. Sein --- Department of Microbiological Pathology, T Letsoalo --- Department of Microbiological Pathology, A.A. Hoosen --- Department of Medical Microbiology, P.O. Bessong --- AIDS Virus Research laboratory,

Drug-resistant tuberculosis is a serious problem throughout the world. Resistance to rifampicin (RIF) and isoniazid (INH) is due to mutations in the rpoB and kat G genes, respectively. The distribution of rpo B and kat G gene mutations in RIF-...

View item »
An unusual case of fatal gastrointestinal Rhizopus oryzae infection in a diabetic patient

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: M Pieters --- Department of Medical Microbiology, C.L. Barrett --- Department Critical Care, J Goedhals --- Anatomical Pathology, Faculty of Health Sciences, University of the Free State, L Badenhorst --- Department of Medical Microbiology, W.C. Viljoen --- Department of Medical Microbiology, M.G.L. Spruyt --- Department Critical Care,

Zygomycoses (mucormycoses) are rare, angiotropic infections caused by fungi in the class Zygomycetes of the order Mucorales. This paper reports a case of a mildly obese patient with uncontrolled type 2 diabetes mellitus who was admitted with symptoms of sinusitis...

View item »
Six impossible things before breakfast

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Prentice --- National Institute for Communicable Diseases of the National Health Laboratory Service,

Alice laughed, “There” no use trying,” she said,“one can't believe impossible things.”“I daresay you haven't had much practice,” said the Queen.“When I was your age, I always did it for half-an-hour a day. Why, sometimes I've believed as many as...

View item »
Introduction of the pneumococcal conjugate vaccine into the South African public immunisation programme: dawn of a new era?

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: S.A. Madhi --- University of the Witwatersrand/Medical Research Council: Respiratory and Meningeal Pathogens Research Unit; and Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases; University of the Witwatersrand,

Streptococcus pneumoniae is a leading vaccine-preventable cause of childhood death with an estimated 716,000 deaths occurring annually. Recent advances have seen the development of vaccines targeted against S. pneumoniae that are immunogenic and effcacious in very young children. These pneumococcal...

View item »
The Hidden Paw

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Prentice --- National Institute for Communicable Diseases of the National Health Laboratory Service.,

The Hidden Paw, or an account of a cat scratch and its contemplative repercussions, with sincere apologies and thanks to TS Elliot, whose ‘rifed’ and ‘stifed’ lines, rhymes, words and ideas litter the following lines. “Macavity's a Mystery Cat: he's called...

View item »
The demise of ciprofloxacin—another class of anti-gonococcal antibiotics bites the dust

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: David A Lewis --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases, National Health Laboratory Service Department of Internal Medicine,

View item »
A 31-year-old diamond miner with chronic and relapsing skin ulcers. What is the diagnosis?

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: N Beylis --- Natalie Beylis, Mycobacteriology Referral Laboratory, National Health Laboratory Service, Johannesburg., S Glassman --- Department of Medicine, H Koornhof --- National TB Reference Centre, National Health Laboratory Service, Johannesburg., W M Meyers --- Armed Forces Institute of Pathology, USA. F Portaels --- Institute of Tropical Medicine, L Blumberg --- Epidemiology and Surveillance Division, National Institute for Communicable Diseases, Johannesburg.,

A previously healthy 31-year-old man presented in September 2007 to his doctor with a recurrence of painless ulcers on his left leg. He had traveled into Angola over 10 years for work involving diamond alluvial mining. He stayed mainly in...

View item »
Antimicrobial susceptibility patterns of selected invasive pathogens from public sector hospitals in South Africa, 2007

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C Bamford --- National Health Laboratory Service, Groote Schuur Hospital and University of Cape Town., L Badenhorst --- National Health Laboratory Service, Universitas Hospital and University of Free State., A G Duse --- National Health Laboratory Service, Charlotte Maxeke Johannesburg Academic Hospital and University of Witwatersrand., A A Hoosen --- National Health Laboratory Service, Steve Biko Academic Hospital and University of Pretoria., M Nchabeleng --- National Health Laboratory Service, Dr George Mukhari Tertiary Hospital and University of Limpopo,, S Oliver --- National Health Laboratory Service, Groote Schuur Hospital and University of Cape Town., O Perovic --- National Health Laboratory Service, Charlotte Maxeke Johannesburg Academic Hospital and University of Witwatersrand., P P Sein --- National Health Laboratory Service, Dr George Mukhari Tertiary Hospital and University of Limpopo,, J Simpson --- National Health Laboratory Service, Green Point Laboratory and University of Cape Town., J Wadula --- National Health Laboratory Service, Chris Hani Baragwanath Hospital and University of Witwatersrand., E Wasserman --- National Health Laboratory Service, Tygerberg Hospital and University of Stellenbosch.,

Retrospective antibiotic surveillance data of selected invasive pathogens isolated from blood and cerebrospinal fuid at public sector hospitals in South Africa in 2007 are presented. Antimicrobial susceptibilities were determined according to the 2007 Clinical and Laboratory Standards Institute criteria. Klebsiella...

View item »
A century of South African battles against the pneumococcus — ‘the Captain of Death’

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: H J Koornhof --- National Tuberculosis Reference Laboratory, National Institute for Communicable Diseases, National Health Laboratory Service, and Division of Virology and Communicable Disease Surveillance, University of the Witwatersrand, S A Madhi --- Respiratory and Meningeal Pathogens Research Unit, National Institute for Communicable Diseases, Medical Research Council and University of the Witwatersrand, C Feldman --- Department of Medicine, Division of Pulmonology, South Africa. A Von Gottberg --- Respiratory and Meningeal Pathogens Research Unit, National Institute for Communicable Diseases, Medical Research Council and University of the Witwatersrand, K P Klugman --- Respiratory and Meningeal Pathogens Research Unit, National Institute for Communicable Diseases, Medical Research Council and University of the Witwatersrand,

View item »
Coughs and sneezes — “Coughs and sneezes spread diseases. Trap the germs in your handkerchief”

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Prentice --- National Health Laboratory Service,

View item »
Full throated ease

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Prentice --- National Health Laboratory Service,

My heart aches, and a drowsy numbness pains My sense, as though of hemlock I had drunk, Or emptied some dull opiate to the drains One minute past, and Lethe-wards had sunk: ‘Tis not through envy of thy happy lot,...

View item »
Pandemic H1N1 infuenza: an uncertain future

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Barry D Schoub --- Executive Director: National Institute for Communicable Diseases of the National Health Laboratory Service,

View item »
The antibiotic susceptibility of bacteria isolated from blood cultures during episodes of neutropenic fever in patients with acute myeloid leukaemia

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Vernon Louw --- Division of Clinical Haematology, Department of Internal Medicine, Faculty of Health Sciences, Julia van der Westhuizen --- School of Medicine, University of the Free State, Wilna Rautenbach --- School of Medicine, University of the Free State, Esmeralda van der Berg --- School of Medicine, University of the Free State, Marleen Wamelink --- School of Medicine, University of the Free State, Gina Joubert --- Department of Biostatistics, Faculty of Health Sciences,

View item »
Validation of a rapid tuberculosis PCR assay for detection of MDR-TB patients in Gauteng, South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Limenako G Matsoso --- National Tuberculosis Reference Laboratory, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance, University of the Witwatersrand, Hendrik J Koornhof --- National Tuberculosis Reference Laboratory, National Institute for Communicable Diseases (NICD), National Health Laboratory Service (NHLS) and Division of Virology and Communicable Disease Surveillance, University of the Witwatersrand, Yosuf Veriava --- Department of Internal Medicine, Xoliswa Poswa --- Gauteng Mycobacteriology Referral Laboratory, Violet Gabashane --- Gauteng Mycobacteriology Referral Laboratory, John Ratabane --- Gauteng Mycobacteriology Referral Laboratory, Gerrit J Coetzee --- National Tuberculosis Reference Laboratory, NICD, NHLS,

Nucleic acid amplifcation tests offer shorter turnaround times for diagnosis of tuberculosis (TB) and drug resistance of isolates compared to conventional culture methods. The rapid molecular-based multidrug-resistant (MDR)-TB assay, GenoType® MTBDRplus (Hain Lifescience) was evaluated in Gauteng, South Africa, as...

View item »
“Amongst the gelatine cultivations”

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Prentice --- National Health Laboratory Service,

“I am sorry to hear this” said he.“I only know Mr Holmes through some business dealings which we have had, but I have every respect for his talents and his character. He is an amateur of crime, as I am...

View item »
Herpes simplex virus 1 and 2: a therapeutic approach

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Helen van der Plas --- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Diana Hardie --- Division of Virology, National Health Laboratory Service, Groote Schuur Hospital, University of Cape Town,

Herpes simplex viruses (HSVs) are ubiquitous in humans and infection with HSV produces a diverse spectrum of disease. The vast majority of HSV infections in adults are easily recognised and relatively benign in their clinical manifestation but occasionally life-threatening infections...

View item »
Rapid identifcation and susceptibility testing of Gram-negative bacilli from blood cultures using the Vitek® 2 system

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Colleen Bamford --- Department of Pathology, Rena Hoffmann --- Department of Pathology, Jeremy Goodway --- National Health Laboratory Service, Tygerberg Hospital,

Providing rapid results for blood culture isolates is a critical function of clinical microbiology laboratories. This study evaluated the accuracy and turnaround time for identifcation and susceptibility testing of Gram-negative bacilli inoculated directly from positive blood cultures into the Vitek...

View item »
Spatial epidemiology risk assessment for rehabilitated former asbestos mining areas in Limpopo Province, South Africa, using remote sensing and conventional analytical methods

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: B M Petja --- Department of Geography and Environmental Studies, South Africa G T Tengbeh --- Department of Geography and Environmental Studies, South Africa Y A Twumasi --- Department of Advanced Technologies, USA M Atanasova --- Mineralogy Laboratory, Council for Geoscience, South Africa

The aim of this study was to conduct a comparative analysis using remote sensing and conventional sample analysis to assess asbestos pollution in rehabilitated former asbestos mining areas. The study focused on the Mafefe and Mathabatha areas of Limpopo Province,...

View item »
Secondarily infected syphilitic aortic arch aneurysm in a patient on chronic renal dialysis with fatal haemoptysis

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: F J Bosch --- Department of Internal Medicine, Faculty of Health Sciences, D. Steyn --- Department of Internal Medicine, Faculty of Health Sciences, B W Jansen van Rensburg --- Department of Internal Medicine, Faculty of Health Sciences, P J Swart --- Department of Anatomical Pathology, J. Goedhals --- Department of Anatomical Pathology, M C Struwig --- Offce of the Dean, Faculty of Health Sciences,

This paper reports a case study of a 45-year-old man with known chronic renal failure requiring haemodialysis, hypertension and ischaemic heart disease, who presented with a three-week history of dyspnoea, orthopnoea and a productive cough. He developed sudden onset chest...

View item »
The bacterium and the platypus

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Elizabeth Prentice --- Elizabeth Prentice, National Health Laboratory Service,

View item »
The ‘servantless American cook’

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Prentice --- National Health Laboratory Service,

Clarifcation of Stock

View item »
Molecular diagnostics for TB: here to stay

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Hendrik J Koornhof --- National Tuberculosis Reference Laboratory, Gerrit J Coetzee --- National Tuberculosis Reference Laboratory,

View item »
National surveillance of private sector respiratory tract pathogens in South Africa, 2010

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: I L Zietsman --- Ampath Laboratories, Morningside Clinic, A J Brink --- Ampath Laboratories, Milpark Hospital,

Antibiotics are prescribed more frequently for community-acquired respiratory tract infections than any other infection. However, antibiotic resistance is an increasing problem worldwide. When selecting an antimicrobial agent for empirical therapy, it is important to know the susceptibility patterns of the...

View item »
A comparative in vitro microbiological evaluation of generic meropenem compounds against the innovator compound

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: W Lowman --- Infection Control Services Laboratory, National Health Laboratory Services, R Stewart --- Infection Control Services Laboratory, National Health Laboratory Services, N Aithma --- Infection Control Services Laboratory, National Health Laboratory Services, Z Mjindi --- Infection Control Services Laboratory, National Health Laboratory Services, J Loakes --- Infection Control Services Laboratory, National Health Laboratory Services,

Background: Meropenem is a broad-spectrum carbapenem widely used in the treatment of critically ill patients. A generic meropenem product has recently become available in South Africa and we aimed to compare the generic product with the innovator product using established...

View item »
Cefxime is first-line treatment for gonorrhoea in South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: D A Lewis --- STI Reference Centre, National Institute for Communicable Diseases, National Health Laboratory Service, South Africa

View item »
A repertoire of influence

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C M Gray --- Division of Immunology, Institute of Infectious Disease and Molecular Medicine, Clinical Laboratory Sciences, National Health Laboratory Sciences, University of Cape Town and Groote Schuur Hospital. (Formerly Head of HIV Immunology, AIDS Research Unit, National Institute for Communicable Diseases. 1998-2010),

View item »
Outbreaks in South Africa 2004-2011, the Outbreak Response Unit of the NICD, and the vision of an inspired leader

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: L Blumberg --- Cheryl Cohen Epidemiology Division, National Institute for Communicable Diseases, National Health Laboratory Service, G de Jong --- Cheryl Cohen Epidemiology Division, National Institute for Communicable Diseases, National Health Laboratory Service, J Thomas --- Cheryl Cohen Epidemiology Division, National Institute for Communicable Diseases, National Health Laboratory Service, B N Archer --- Cheryl Cohen Epidemiology Division, National Institute for Communicable Diseases, National Health Laboratory Service, A Cengimbo --- Cheryl Cohen Epidemiology Division, National Institute for Communicable Diseases, National Health Laboratory Service, C Cohen --- Cheryl Cohen Epidemiology Division, National Institute for Communicable Diseases, National Health Laboratory Service,

The Outbreak Response Unit was established in 2004 by Prof Barry Schoub and was envisioned as a comprehensive unit for reporting of suspected communicable disease outbreaks, and for the provision of technical support for outbreak response within South Africa and...

View item »
The HIV-1 epidemic in South Africa: The leading edge and the measurement of incidence

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A J Puren --- Virology Division, National Institute for Communicable Diseases of the National Health Laboratory Service,

The frst reported cases of human immunodefciency virus type 1 (HIV-1) infection in South Africa were seen in 1982. South Africa has currently the highest absolute number of cases of HIV in the world. Various HIV prevalence surveys, including sentinel...

View item »
A brief history of the Special Pathogens Unit at the National Institute for Communicable Diseases of the National Health Laboratory Service

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: R Swanepoel --- National Institute for Communicable Diseases, National Health Laboratory Service, South Africa J T Paweska --- National Institute for Communicable Diseases, National Health Laboratory Service, South Africa

View item »
The quest to understand protective immunity to HIV-1 through studies on maternal-infant HIV-1 transmission

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C T Tiemessen --- Centre for HIV and STIs, National Institute for Communicable Diseases, National Health Laboratory Service and University of the Witwatersrand, Johannesburg

Understanding immune processes that contribute to how some human hosts prevent the establishment of human immunodefciency virus type 1 (HIV-1) infection upon exposure, or counter accelerated disease progression if infected, will provide the basis for the design of better-targeted interventions...

View item »
Antimicrobial-resistant gonorrhoea in Africa: An important public health threat in need of a regional gonococcal antimicrobial surveillance programme

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: D A Lewis --- Sexually Transmitted Infections Reference Centre, National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg

According to the World Health Organization’s (WHO) prevalence and incidence estimates for 2005, gonorrhoea is the second most common sexually transmitted bacterial infection worldwide. Antimicrobial resistance among gonococci is worsening and multidrug-resistant strains, no longer responsive to oral cephalosporins, are...

View item »
Evidence that prevention of carriage by pneumococcal capsular vaccines may be the mechanism of protection from pneumococcal pneumonia

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: K P Klugman --- Rollins School of Public Health, Emory University, USA S W Hayden Smith --- former Department of Medical Microbiology, South African Institute for Medical Research, H J Koornhof --- National Tuberculosis Reference Laboratory, National Institute for Communicable Diseases and Division of Virology and Communicable Diseases Surveillance, University of the Witwatersrand,

During the 1970s, a hexavalent pneumococcal polysaccharide vaccine (PPV-6) and a 13-valent (PPV-13) trial involving ˜ 12,000 Witwatersrand gold miners showed effcacy against pneumonia caused by vaccine types (VTs). The effect of PPV-6 and PPV-13 on nasopharyngeal carriage of pneumococcal...

View item »
Seroprevalence of Toxoplasma gondii Infection in HIV-positive and HIV-negative subjects in Gauteng, South Africa

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: K Kistiah --- Parasitology Reference Unit, National Institute for Communicable Diseases, National Health Laboratory Service; and University of the Witwatersrand, J Winiecka-Krusnell --- Department of Parasitology, Mycology and Environmental Microbiology, Swedish Institute for Infectious Diseases, A Barragan --- Department of Parasitology, Mycology and Environmental Microbiology, Swedish Institute for Infectious Diseases, A Karstaedt --- Department of Medicine, J Frean --- Parasitology Reference Unit, National Institute for Communicable Diseases, National Health Laboratory Service; and University of the Witwatersrand,

Toxoplasmosis is an infection of warm-blooded vertebrates caused by one of the most common parasites of humans, Toxoplasma gondii. T. gondii is an obligate intracellular protozoan parasite with a worldwide distribution and a varying prevalence between different continents and countries,...

View item »
Times have Changed! The Molecular Revolution in TB Diagnostics and Detection of Drug Resistance

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: H J Koornhof --- National Tuberculosis Reference Laboratory, National Institute for Communicable Diseases; Division of Virology and Communicable Diseases Surveillance, University of the Witwatersrand, G J Coetzee --- National Tuberculosis Reference Laboratory, National Institute for Communicable Diseases; Division of Virology and Communicable Diseases Surveillance, University of the Witwatersrand,

During the late 1970s, before Prof Schoub went to the National Institute of Allergy and Infectious Diseases in Bethesda, USA to study under the famous rotavirus expert Dr Kapikian, the young Barry Schoub and Prof Hendrik Koornhof shared an interest...

View item »
Antimicrobial Susceptibility Patterns of Selected Bacteraemic Isolates from South African Public Sector Hospitals, 2010

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C Bamford --- National Health Laboratory Service (NHLS), Groote Schuur and University of Cape Town, K Bonorchis --- National Health Laboratory Service (NHLS), Green Point and University of Cape Town, A Ryan --- National Health Laboratory Service (NHLS), Green Point and University of Cape Town, J Simpson --- National Health Laboratory Service (NHLS), Green Point and University of Cape Town, E Elliott --- National Health Laboratory Service (NHLS), Universitas and University of the Free State, R Hoffmann --- National Health Laboratory Service (NHLS), Tygerberg and Stellenbosch University, P Naicker --- National Health Laboratory Service (NHLS), Tygerberg and Stellenbosch University, N Ismail --- National Health Laboratory Service (NHLS), Steve Biko Academic and University of Pretoria, N Mbelle --- National Health Laboratory Service (NHLS), Dr George Mukhari and University of Limpopo, M Nchabeleng --- National Health Laboratory Service (NHLS), Dr George Mukhari and University of Limpopo, T Nana --- National Health Laboratory Service (NHLS), Charlotte Maxeke Johannesburg Academic and University of the Witwatersrand, C Sriruttan --- National Health Laboratory Service (NHLS), Charlotte Maxeke Johannesburg Academic and University of the Witwatersrand, S Seetharam --- National Health Laboratory Service (NHLS), Chris Hani Baragwanath and University of the Witwatersrand, J Wadula --- National Health Laboratory Service (NHLS), Chris Hani Baragwanath and University of the Witwatersrand,

We report on antimicrobial susceptibility surveillance data for six key bloodstream pathogens (Escherichia coli, Klebsiella pneumoniae, Enterobacter spp., Pseudomonas aeruginosa, Acinetobacter baumannii and Staphylococcus aureus) identified in public sector hospitals in South Africa during 2010. Major findings include the accelerated...

View item »
The potential impact of the 13-valent conjugate pneumococcal vaccine on antibiotic resistance in pneumococci

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: S Nzenze --- University of the Witwatersrand, Faculty of Health Science, K Klugman --- University of the Witwatersrand, Faculty of Health Science, Respiratory and Meningeal Pathogens Research Unit, S Madhi --- University of the Witwatersrand, Faculty of Health Science,

The emergence of antibiotic-resistant Streptococcus pneumoniae strains is primarily due to a selection of resistant strains by antibiotic use. The majority of antibiotic-resistant pneumococcal strains exist as a limited number of serotypes, many of which are already included in a...

View item »
Self-reported hypertension in eMbalenhle, Mpumalanga, South Africa: findings from a vulnerability to air pollution assessment

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: M Matooane --- Natural Resources and the Environment, Council for Scientifc and Industrial Research., R Oosthuizen --- Natural Resources and the Environment, Council for Scientifc and Industrial Research., J John --- Natural Resources and the Environment, Council for Scientifc and Industrial Research.,

The study determined the prevalence of self-reported hypertension and evaluated the relationship between self-reported hypertension and associated risk factors among adults who participated in the 2006 vulnerability to air pollution study in eMbalenhle, Mpumalanga, South Africa. Face-to-face interviews were conducted...

View item »
Disseminated skin lesions in a patient with AIDS

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A Visser --- Department Clinical Pathology, A van de Vyver --- Department Internal Medicine, Kalafong Hospital, A Essop --- Department Dermatology, University of Pretoria, C E Nel --- Department Anatomical Pathology,

Patients with advanced HIV-1 disease can present with a vast array of opportunistic infections. Not only is the spectrum of disease more diverse, but the spectrum of presentation can vary signifcantly from what is expected. In this case report we...

View item »
Antimicrobial susceptibility patterns of Escherichia coli strains isolated from urine samples in South Africa from 2007-2011

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Colleen Bamford --- National Health Laboratory Service (NHLS), Groote Schuur and University of Cape Town, Kim Bonorchis --- Medical Technology Microbiology Laboratory Manager, National Health Laboratory Service (NHLS), Green Point and University of Cape Town, Anthea Ryan --- Medical Technology Microbiology Laboratory Manager, National Health Laboratory Service (NHLS), Green Point and University of Cape Town, Rena Hoffmann --- Registrar Medical Microbiology, National Health Laboratory Service (NHLS), Tygerberg and Stellenbosch University, Preneshni Naicker --- Registrar Medical Microbiology, National Health Laboratory Service (NHLS), Tygerberg and Stellenbosch University, Motlatji Maloba --- National Health Laboratory Service (NHLS), Dr George Mukhari and University of Limpopo, Trusha Nana --- National Health Laboratory Service (NHLS) Charlotte Maxeke Johannesburg Academic and University of the Witwatersrand, I. Zietsman --- Ampath Laboratories, C. Govind --- Lancet Laboratories, Durban

Escherichia coli is the most common cause of urinary tract infections. Knowledge of its local antimicrobial susceptibility patterns can be used to inform choice of empiric antimicrobial therapy. In this article, we review data on antimicrobial susceptibility patterns of E...

View item »
Detection and management of acute HIV infections in patients with sexually transmitted infections: a window of opportunity for HIV prevention within South Africa?

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: David Lewis --- Centre for HIV and STIs, National Institute for Communicable Diseases, National Health Laboratory Service,

Patients with acute human immunodefciency virus (HIV) infection are highly infectious to their uninfected sexual partners. The level of this infectiousness is thought to be as much as 26 times greater than that observed during chronic HIV infection, and may...

View item »
Comparison of empyema thoracis in HIV-infected and non-infected patients with regard to aetiology and outcome

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Grace Kaye-Eddie --- Respiratory Unit, Department of Internal Medicine, Andrew Black --- Respiratory Unit, Department of Internal Medicine,

Empyema thoracis remains a problem in developing countries. Human immunodefciency virus (HIV) is a risk factor for the development of empyema. There is a clinical impression that HIV-infected patients with empyema have worse outcomes. This study was conducted to assess...

View item »
Detection of multidrug-resistant gonorrhoea in the Gauteng province

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: David Lewis --- Head of the Centre for HIV and STIs, National Institute of Communicable Diseases; National Health Laboratory Service, Charlotte Sriruttan --- Clinical Microbiologist, Ampath National Laboratory Services, Jennifer Coetzee --- Clinical Microbiologist, Ampath National Laboratory Services, National Reference Laboratory, Centurion,

Two cefpodoxime-resistant Neisseria gonorrhoeae isolates were identifed with high minimum inhibitory concentrations (MIC) for oral cephalosporins. The ceftriaxone MICs for both isolates were still in the susceptible range, although raised at 0.064 mg/l. Both isolates were cultured from urethral specimens...

View item »
Characterisation of staphylococcus aureus bacteraemia at Tygerberg hospital

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: H. Orth --- Division of Medical Microbiology, Department of Pathology, Stellenbosch University, Z.S. Dreyer --- Division of Medical Microbiology, Department of Pathology, Stellenbosch University, E. Makgotlho --- Institute of Hygiene and Microbiology, University of Würzburg, W. Oosthuysen --- Division of Medical Microbiology, Department of Pathology, B. Sinha --- Department of Medical Microbiology, University of Groningen, E. Wasserman --- Pathcare Laboratories,

To elucidate the local epidemiology of Staphylococcus aureus bacteraemia, we characterised blood culture isolates using molecular methods and prospectively collected clinical data to determine the occurrence of community-acquired, methicillin-resistant S. aureus (MRSA). Consecutive S. aureus blood culture isolates were collected...

View item »
Dog bites and human rabies in the Uthungulu District of Kwazulu-Natal province, 2008–2010: a review of surveillance data

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: V. Kubheka --- South African Field Epidemiology and Laboratory Training Programme, P. Govender --- Provincial Department of Health, B. Margot --- Provincial Department of Health, L.R. Kuonza --- South African Field Epidemiology and Laboratory Training Programme,

The Uthungulu District in KwaZulu-Natal province is the area that is most affected by rabies in South Africa. Usually, the transmission of rabies to humans occurs through the bites of infected dogs. In 2008, Uthungulu commenced a programme to eliminate...

View item »
Genital tract infections in women attending sexually transmitted infection clinics in Mwanza, north-west Tanzania

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: S.N. Buhalata --- National Institute for Medical Research, Tanzania G. Kwesigabo --- Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania S. Sembuche --- Tanzania Field Epidemiology and Laboratory Training Programme Ministry of Health and Social Welfare, Dar es Salaam, Tanzania S. Aboud --- Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania M.M. Temu --- National Institute for Medical Research, Tanzania J.M. Changalucha --- National Institute for Medical Research, Tanzania

Lack of diagnostic methods to determine a specific aetiology can contribute to an increase in genital tract infections (GTIs) in women. We determined the aetiology of, and risk factors associated with, GTIs in women with genital symptoms. After obtaining informed...

View item »
Antimicrobial Susceptibility of Campylobacter Species

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Clifford Simango --- Department of Medical Laboratory Sciences, Zimbabwe

Thermophilic Campylobacter spp. are important causative agents of diarrhoeal disease in humans. Antimicrobial-resistant Campylobacter spp. that originate from poultry can enter the human food chain and result in resistant Campylobacter spp. in human infections. Campylobacter spp. were isolated from chicken...

View item »
Repeatability of manual coding of cancer reports in the South African National Cancer Registry, 2010

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Nomathemba Dube --- School of Health Systems and Public Health, University of Pretoria, South African Field Epidemiology and Laboratory Training Programme, Brendan Girdler-Brown --- School of Health Systems and Public Health, University of Pretoria, Khin Tint --- School of Health Systems and Public Health, University of Pretoria, South African Field Epidemiology and Laboratory Training Programme, National Institute for Communicable Diseases, Patricia Kellett --- South African National Cancer Registry, National Institute for Occupational Health,

Data validity is a very important aspect of cancer registries in ensuring data quality for research and interventions. This study focused on evaluating the repeatability of manual coding of cancer reports in the South African National Cancer Registry (NCR). This...

View item »
Cross-cultural adaptation of the 12-Item Short-Form survey instrument in a Moroccan representative Survey

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Majdouline Obtel --- Directorate of Epidemiology and Diseases Control, Ministry of Health, Morocco Karima El Rhazi --- Department of Epidemiology, Clinical Research and Community Health, Morocco Samira Elhold --- Department of Respiratory Diseases, Morocco Mohammed Benjelloune --- Department of Respiratory Diseases, Morocco Louisa Gnatiuc --- Respiratory Epidemiology and Public Health, Imperial College, Chakib Nejjari --- Department of Epidemiology, Clinical Research and Community Health, Morocco

The health survey, the 12-Item Short-Form (SF-12) survey instrument, was developed as a shorter alternative to the SF-36 for use in scale studies. The aim of our study was to adapt this instrument into Moroccan Arabic and to examine its...

View item »
Tuberculosis continues to be a public health problem in South Africa from diagnosis to treatment

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Nazir Ismail --- Centre for Tuberculosis (incorporating the National Tuberculosis Reference Laboratory), National Institute of Communicable Diseases, National Health Laboratory Service, Johannesburg, Johannesburg

View item »
Human immunodeficiency virus and hepatitis B or C co-infection in KwaZulu-Natal: a retrospective analysis of a laboratory database

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: N Tathiah --- Discipline of Public Health Medicine, School of Nursing and Public Health, University of KwaZulu-Natal, R Parboosing --- Department of Virology, National Health Laboratory Service/University of KwaZulu-Natal, L Singh --- Department of Virology, National Health Laboratory Service/University of KwaZulu-Natal, C C Jinabhai --- Faculty of Health Sciences, Durban University of Technology, P Moodley --- Department of Virology, National Health Laboratory Service/University of KwaZulu-Natal,

Hepatitis B or C virus infection has an important influence on treatment and outcomes in human immunodeficiency virus (HIV)-infected individuals. HIV worsens the prognosis in hepatitis B- or C virus-infected patients, and patients on antiretroviral therapy are more likely to...

View item »
Ratification of rapid rotavirus diagnostic test strips

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: E M C Theron --- Department of Life and Consumer Sciences, M M Nyaga --- Diarrhoeal Pathogens Research Unit, University of Limpopo, Medunsa Campus; WHO Rotavirus Regional Reference Laboratory, J B Dewar --- Department of Life and Consumer Sciences,

The World Health Organization and Centers for Disease Control and Prevention estimate that rotavirus-associated gastroenteritis is the third most common cause of death in young children, with approximately 453 000 deaths annually, and that more than 90% of these deaths...

View item »
Factors Affecting Nonadherence to Tuberculosis Treatment in uMgungundlovu Health District in 2010

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Z S I Ndwandwe --- Edendale Hospital, S Mahomed --- School of Laboratory Medicine and Medical Science, College of Health Sciences, University of KwaZulu-Natal, E Lutge --- Epidemiology, Research and Knowledge Management, S E Knight --- School of Nursing and Public Health, College of Health Sciences, University of KwaZulu-Natal,

KwaZulu-Natal has a high burden of tuberculosis disease, and is currently not meeting national and international treatment outcome targets. The aim of this study was to investigate patient-related and socio-economic factors that affect treatment adherence in patients on tuberculosis treatment...

View item »
Factors associated with retreatment tuberculosis in Tshwane, south africa: the role of tobacco smoking

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: G M C Louwagie --- Public Health Medicine, School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, O A Ayo-Yusuf --- Dean/Director’s Office, School of Oral Health Sciences, Faculty of Health Sciences, University of Limpopo, Medunsa Campus Director, Southern Africa Resilient Africa Innovation Laboratory, Grant Recipient American Cancer Society,

There is evidence from international studies that tobacco smoking increases the risk of tuberculosis recurrence through its effects on the immunological and barrier functions of the airways. In this cross-sectional study, the association between current tobacco smoking and retreatment tuberculosis...

View item »
Antifungal susceptibility profile of yeast isolates from sterile sites at a tertiary hospital in South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: N A Makhado --- University of Limpopo, F. Ismail --- National Health Laboratory Service, Tshwane Academic Division, Y. Dangor --- University of Limpopo, T J H Chephe --- National Health Laboratory Service, Dr George Mukhari Tertiary Laboratory, A A Hoosen --- National Health Laboratory Service, Tshwane Academic Division, M. Nchabeleng --- University of Limpopo,

Invasive infections caused by yeasts are associated with high mortality and morbidity, and resistance to antifungal agents is increasing. Candida spp. has emerged as the leading cause of systemic nosocomial fungal infections. The aim of this study was to identify...

View item »
Current status of urinary schistosomiasis in communities around the Erinle and Eko-Ende Dams and the implications for schistosomiasis control in Nigeria

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: A O Hassan --- Department of Medical Microbiology and Parasitology Lautech Teaching Hospital, Nigeria A O J Amoo --- Medical Mecrobiology and Parasitology Department, Nigeria O P Akinwale --- Molecular Parasitology Research Laboratory, Public Health Division, Nigerian Institute of Medical Research, Nigeria A M Deji-Agboola --- Medical Mecrobiology and Parasitology Department, Nigeria M A Adeleke --- Public Health Entomology and Parasitology Unit, Nigeria P V Gyang --- Molecular Parasitology Research Laboratory, Public Health Division, Nigerian Institute of Medical Research, Nigeria

Schistosomiasis is an endemic disease in many parts of the world and the disease is associated with water resource development projects, such as dams, irrigation schemes, and rice and fish farming. The present study was designed to determine the prevalence...

View item »
Neonatal septicaemia: prevalence and antimicrobial susceptibility patterns of common pathogens at Princess Marina Hospital, Botswana

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Lydia Mudzikati --- Medical Laboratory, Princess Marina Hospital, Gaborone, Botswana, and Division of Community Health, South Africa Angela Dramowski --- Department of Paediatrics and Child Health, South Africa

Background: Septicaemia is the third most common cause of neonatal death after prematurity and birth asphyxia. The prevalence of neonatal sepsis and the spectrum of causative microorganisms fluctuates over time, thus facility-specific surveillance of neonatal bloodstream infections is important. Increasing...

View item »
Discrepancies in the identification of methicillin-resistant Staphylococcus aureus and the absence of mecC in surveillance isolates in South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Ashika Singh-Moodley --- Center for Opportunistic, Tropical and Hospital Infections, National Institute for Communicable Diseases, a Division of the National Health Laboratory Service, South Africa Else Marais --- Center for Opportunistic, Tropical and Hospital Infections, National Institute for Communicable Diseases, a Division of the National Health Laboratory Service, South Africa Olga Perovic --- Center for Opportunistic, Tropical and Hospital Infections, National Institute for Communicable Diseases, a Division of the National Health Laboratory Service, South Africa

We investigated instances of phenotypic and genotypic discrepancies in the identification of methicillin-resistant Staphylococcus aureus in a reference laboratory in South Africa. Organism identification and antimicrobial susceptibility testing were performed using automated systems; and, the detection of mecA, mecC and...

View item »
Epidemiological description of cholera outbreak in Mpumalanga Province, South Africa, December 2008–March 2009

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Themba T Sigudu --- Department of Environmental Health, Faculty of Health Sciences, South Africa Khin S Tint --- South African Field Epidemiology and Laboratory Training Programme, South Africa Brett Archer --- South African Field Epidemiology and Laboratory Training Programme, South Africa

Background: In developing countries, cholera often occurs in large-scale outbreaks and causes high burden of disease and leads to death in some cases. The purpose of the study was to describe and characterise cholera cases, and also to identify environmental...

View item »
Antelopes in The Pleistocene of Southern Africa

Item type: Journal Article • Journal: Zoologica Africana • Authors: L. H. Wells --- Professor of Anatomy, University of Cape Town,

View item »
The Metotic Cartilage and the Metotic Fissure in the Penguin

Item type: Journal Article • Journal: Zoologica Africana • Authors: M. J. Toerien --- Department of Anatomy,

View item »
The Epidermis and its Keratinisation in the African Elephant (Loxodonta Africana)

Item type: Journal Article • Journal: Zoologica Africana • Authors: R. I. C. Spearman --- Dermatology Department, London

View item »
Reproduction in the Rock Hyrax (Procavia Capensis)

Item type: Journal Article • Journal: Zoologica Africana • Authors: R. P. Millar --- Predator Control Research Farm,

View item »
Observations on Levels of Internal Parasites in Free Living Rhodesian Wild Life

Item type: Journal Article • Journal: Zoologica Africana • Authors: J.B. Condy --- Veterinary Research Laboratory, Rhodesia

View item »
Morphological and Experimental Studies on the Development of the Posterior Wall of the Avian Foramen Magnum

Item type: Journal Article • Journal: Zoologica Africana • Authors: M.J. Toerien --- Department of Anatomy,

In embryos of Gallus, Anas and Sphentscus the posterior wall of the foramen magnum (tectum synoticum) is formed by the fusion of the two independently developing supra-occipital cartilages. Fusion of the supraoccipital cartilage with the ear capsule precedes that between...

View item »
Behaviour and Breeding in Captivity of the Namaqua Gerbil Desmodillus Auricularis (Cricetidae: Gerbillinae)

Item type: Journal Article • Journal: Zoologica Africana • Authors: H.J. Keogh --- State Medical Ecology Laboratory,

Desmodillus auricularis was kept in observation cages and subjected to an increased number of light-hours. The animal is nocturnal and its activity rhythm was adjusted using a red light to simulate darkness during the day. Three litters were produced from...

View item »
A Note on the Birth of Litters and Post-Natal Development in Captive Leggada Minutoides

Item type: Journal Article • Journal: Zoologica Africana • Authors: H. J. Keogh --- South African Institute for Medical Research, P. A. CronjÉ --- State Medical Ecology Laboratory,

View item »
Food Habits of Aubria Subsigillata in Gaboon (Anura: Ranidae)

Item type: Journal Article • Journal: Zoologica Africana • Authors: Louis-Philippe Knobpffler --- Laboratoire Arago, Banyuls-sur-mer, France

In Gaboon, the frog Aubria subsigillata, at least at certain periods of the year, eats fishes of the genus Epiplatys. The fish are caught when they jump out of the water to escape their aquatic predators, or to look for...

View item »
Xenopus Laevis (Anura: Pipidae) Mating Systems - A Preliminary Synthesis with some Data on the Female Phonoresponse

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: M. Picker --- George Evelyn Hutchinson Laboratory, Zoology Department, South Africa

The mating system of hormonally stimulated Xenopus laevis laevis has been examined. The mating call of the male can be divided into two parts, one displaying a greater pulse repetition rate. These two components follow one another in calling bouts...

View item »
Observations on Ovarian Structure and Development of the Southern Giraffe, Giraffa Camelopardalis Giraffa

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: A.J. Hall-Martin --- Present address: Dept. of Research & Information, South Africa I.W. Rowlands --- Present address: Department of Anatomy, England

The occurrence of vesicular follicles and corpora lutea (CL), without evidence of ovulation, in late fetuses and during prepubertal life was confirmed in the southern giraffe. In this, and other respects, the pattern of ovarian development is similar in the...

View item »
Interactions between a male elephant seal Mirounga leonina and Cape fur Seals Arctocephalus pusillus

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: P.B. Best --- Marine Mammal Laboratory, South Africa M.A. Meyer --- Marine Mammal Laboratory, South Africa R.W. Weeks --- Marine Mammal Laboratory, South Africa

A male elephant seal Mirounga leonina at Van Reenen Bay, South West Africa/Namibia, was observed catching, killing and attempting copulation with female fur seals Arctocephalus pusillus, as well as catching and occasionally killing fur seal pups and participating in territorial...

View item »
Water loss during incubation in red bishop (Euplectes orix) eggs

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: P.F. Woodall --- Reproductive Biology Group, Department of Veterinary Anatomy, Australia D.F. Parry --- Institute of Natural Resources, University of Natal, Republic of South Africa

The red bishop (Euplectes orix) is a small passerine, breeding in woven, enclosed nests. Incubated eggs lost water at a rate (16,6 mg day-1) similar to that predicted by the egg weight and incubation period (18,5 mg day-1). Deserted eggs...

View item »
The histology of the venom-secreting apparatus of the puff-adder, Bitis Arietans

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: A.R. Lake --- Departments of General Anatomy and General Physiology, J. Hattingh --- Departments of General Anatomy and General Physiology, E. KingR --- Departments of General Anatomy and General Physiology, T.R. Trevor-Jones --- Departments of General Anatomy and General Physiology,

View item »
A new adder (Bitis; Viperidae) from the Western Cape Province, South Africa

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: William R. Branch --- Curator of Herpetology, South Africa

A new species of small, terrestrial Bitis is described from the Western Cape Province, South Africa. It occurs in sympatry with Bitis comuta and Bitis atropos on the upper slopes and summit of the Cedarberg, and with the latter on...

View item »
Pressure effects on membrane-based functions and energy metabolism: a review

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: André Péqueux --- Laboratoire de Physiologie, Belgium Philippe Sébert --- Laboratoire de Physiologie, UFR Médecine, France

This review will consider the effects of hydrostatic pressure on some cellular functions related to membrane- localized processes. After a general survey of experimental evidence showing the wide variety of membrane- linked mechanisms that are perturbed by changes in hydrostatic...

View item »
Organic ‘compensatory’ osmolytes in osmolarity control and hydration changes in animal cells

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: R. Gilles --- Laboratory of Animal Physiology, Belgium

This paper briefly reviews some aspects of the research on organic solutes in osmolarity control and hydration changes of animal cells. It is concerned with the nature of these solutes, their roles in acclimation to hyperosmotic situations, the control of...

View item »
Studies on African zygaenoid moths (Lepidoptera: Zygaenoidea) The genus Psycharium Herrich-Schäffer, with descriptions of four new species (Somabrachyidae)

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: H. Geertsema --- Department of Entomology and Nematology, South Africa

The genus Psycharium is revised for the first time. Until now, only a drawing of the female type species was known. The male and female of the type species, P. pellucens Herrich-Schaffer, and four new species, montanum, kammanassiense, bamardi and...

View item »
Reproductive ecology of Commerson's leaf-nosed bats Hipposideros commersoni (Chiroptera: Hipposideridae) in South-Central Africa: interactions between seasonality and large body size; and implications for conservation

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: F.P.D. Cotterill --- Principal Curator, Department of Mammalogy, Natural History Museum, R.A. Fergusson --- Biodiversity Foundation for Africa, Zimbabwe

The annual cycle and reproductive ecology of a large population of Commerson's leaf-nosed bats, Hipposideros commersoni, was studied in central Zimbabwe. The influence of the extremely large body size of this microchiropteran, interrelating with a seasonal, tropical environment, was the...

View item »
An evaluation of the diagnostic adequacy and immunocytochemistry of manual liquid-based smears in breast aspirates

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: A.L. Shebemba --- Division of Anatomical Pathology, Department of Pathology, C.A. Wright --- Division of Anatomical Pathology, Department of Pathology, J Bezuidenhout --- Division of Anatomical Pathology, Department of Pathology, P.T. Schubert --- Division of Anatomical Pathology, Department of Pathology,

The aim of this study was to determine if the Syner-Med®/Cell-Solutions® liquid-based cytology (LBC) technique would provide adequate diagnostic material when applied to breast fne-needle aspiration biopsy (FNAB) specimens and to determine its suitability for immunocytochemistry. A prospective study was...

View item »
An observational study of infuenza A(H₁N₁)pdm09 viral shedding and resistance under standard-duration oseltamivir treatment

Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: S Aspinall --- Synexus Clinical Research SA (Pty) Ltd, B Pretorius --- Synexus Clinical Research SA (Pty) Ltd, T Vally --- Synexus Clinical Research SA (Pty) Ltd, B Sebopa --- Synexus Clinical Research SA (Pty) Ltd, C Turner-Babb --- Lancet Molecular Pathology Laboratory,

An observational study was established in South Africa in 2009, early in the infuenza A(H1N1)pdm09 outbreak, to provide information on the virological response of the new virus to oseltamivir and the potential for resistance. Patients (n = 54) aged 1-64...

View item »
Preferred habitat of white-browed sparrow-weavers Plocepasser mahali

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: J.W.H. Ferguson --- George Evelyn Hutchinson Laboratory, Zoology Department, Republic of South Africa

Habitat use by white-browed sparrow-weavers Plocepasser mahali was studied in the Bloemhof area, South Africa. The habitat of nine sparrow-weaver groups consisted of three vegetation communities: Acacia erioloba community, Nidorella resedifolia community and Conyza bonariensis community. The latter community comprised...

View item »
Universities and think-tanks as partners in the African knowledge economy: Insights from South Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Claudious Chikozho --- Gauteng City-Region Observatory, South Africa Davison Saruchera --- Independent Consultant, South Africa

There is a paucity of knowledge regarding the nature of interactions between universities and think-tanks in Africa and how their collaboration could be promoted to enable them to contribute more effectively to the knowledge economy. Relying on primary and secondary...

View item »
Studies on African zygaenoid moths (Lepidoptera: Zygaenoidea): Parapsycharium n.gen. (Somabrachyidae) from the Western Cape Province, South Africa

Item type: Journal Article • Journal: African Zoology • Authors: H. Geertsema --- Department of Entomology and Nematology, South Africa

A new genus, Parapsycharium n.gen. and its type species, P. paarlense, are described in Somabrachyidae. A key to the somabrachyid genera Somabrachys Kirby, Psycharium Herrich-Schäffer and Parapsycharium n.gen. is given. The description of the new taxon includes the description of...

View item »
Studies on African zygaenoid moths (Lepidoptera: Zygaenoidea): adult morphology of Psycharium montanum (Somabrachyidae)

Item type: Journal Article • Journal: African Zoology • Authors: H. Geertsema --- Department of Entomology and Nematology, South Africa

The morphology of the adult male of Psycharium montanum is described and illustrated to serve as a basis for subsequent taxonomic and systematic studies on African flannel moths and related taxa. P. montanum exhibits features showing closer affinity to Limacodidae...

View item »
Reproduction in the jackals Canis adustus Sundevall, 1846, and Canis mesomelas Schreber, 1778 (Carnivora: Canidae), in Zimbabwe

Item type: Journal Article • Journal: African Zoology • Authors: J. Bingham --- Central Veterinary Laboratory, Zimbabwe G.K. Purchase --- , Zimbabwe

Aspects of reproduction in two species of jackals (Canis adustus and Canis mesomelas)from Zimbabwe were studied using reproductive organs of jackal carcasses submitted for rabies testing or collected during culls. In C. adustus, parturition took place from early September to...

View item »
Foraging mode of serpentiform, grass-living cordylid lizards: a case study of Cordylus anguina

Item type: Journal Article • Journal: African Zoology • Authors: A. du Toit --- Department of Zoology, South Africa P. le F.N. Mouton --- Department of Zoology, South Africa H. Geertsema --- Department of Entomology and Nematology, South Africa A.F. Flemming --- Department of Zoology, South Africa

Foraging mode of the Cape grass lizard, Cordylus anguina, was determined by using three criteria: 1) the number of movements per minute (MPM) and the percentage of time spent moving (PTM) during periods of activity; 2) prey chemical discrimination ability;...

View item »
An enclosure study to evaluate the effect of Sargochromis codringtoni on snail populations in an irrigation canal

Item type: Journal Article • Journal: African Zoology • Authors: Jakob Brodersen --- Danish Bilharziasis Laboratory, Denmark Moses J. Chimbari&dagger;&dagger; --- Blair Research Laboratory, Zimbabwe Henry Madsen&dagger; --- Danish Bilharziasis Laboratory, Denmark

The cichlid fish, Sargochromis codringtoni has been suggested as an alternative to the use of molluscicides for controlling schistosome intermediate host snails. To determine the effect of the fish on Bulinus globosus and Biomphalaria pfeifferi populations in irrigation canals, an...

View item »
Genetic variation in three> Chersina angulata> (angulate tortoise) populations along the west coast of South Africa>

Item type: Journal Article • Journal: African Zoology • Authors: Mosa G.A. Lesia --- Department of Zoology, South Africa Margaretha D. Hofmeyr --- Department of Zoology, South Africa Maria E. D΄Amato --- Department of Zoology, South Africa

We investigated genetic variation within and among three populations of Chersina angulata; two in the southwestern Cape (West Coast National Park and Dassen Island) of South Africa and Kleinzee in the northwestern parts of the species’ range. Mitochondrial DNA sequences...

View item »
Age determination in jackals (Canis adustus Sundevall, 1846, andCanis mesomelas Schreber, 1778; Carnivora: Canidae) with reference to the age structure and breeding patterns of jackal populations in Zimbabwe

Item type: Journal Article • Journal: African Zoology • Authors: J. Bingham --- Central Veterinary Laboratory, Zimbabwe G.K. Purchase --- , Zimbabwe

Methods for determining the age of individual jackals using canine teeth were assessed as part of a study of the population structure of jackal species (side striped jackal, Canis adustus, and black backed jackal, Canis mesomelas), the main wildlife species...

View item »
Investigation of a parasitic outbreak of Lernaea cyprinacea Linnaeus (Crustacea: Copepoda) in fish from Zimbabwe

Item type: Journal Article • Journal: African Zoology • Authors: Maxwel Barson [AN0001] Atridah Mulonga --- Department of Biological Sciences, Laboratory of Aquatic Ecology and Evolutionary Biology, Zimbabwe, Belgium Tamuka Nhiwatiwa --- Department of Biological Sciences, Laboratory of Aquatic Ecology and Evolutionary Biology, Zimbabwe, Belgium

Infestation of fish by the crustacean ectoparasite Lernaea cyprinacea Linnaeus, 1758 was investigated to establish the extent of infestation, potential effects of the parasite and its ecological adaptations. Fish samples were collected from impoundments in the Malilangwe Wildlife Reserve in...

View item »
Daily growth of young-of-the-year of the Baringo tilapia, Oreochromis niloticus baringoensis (Trewavas, 1983)

Item type: Journal Article • Journal: African Zoology • Authors: Chrisphine S. Nyamweya --- Lake Baringo Laboratory, Kenya Marine and Fisheries Research Institute, Kenya Chrisestom M. Mlewa --- Department of Fisheries and Aquatic Sciences, Kenya Charles C. Ngugi --- Department of Fisheries and Aquatic Sciences, Kenya Boaz Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, Kenya

Otolith microstructure analysis was used to validate microincrement deposition rate and to determine daily growth rates of young-of-the-year (YOY) Baringo tilapia, Oreochromis niloticus baringoensis. Microincrement formation was validated as daily by correlating the number of circuli on otoliths with the...

View item »
Antioxidant content and phytochemical properties of apple ‘Granny Smith’ at different harvest times

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Asanda Mditshwa --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Department of Horticultural Sciences, Faculty of AgriSciences, South Africa Filicity Vries --- Agricultural Research Council Infruitec-Nietvoorbij, South Africa Kobus van der Merwe --- Agricultural Research Council Infruitec-Nietvoorbij, South Africa Elke Crouch --- Department of Horticultural Sciences, Faculty of AgriSciences, South Africa Umezuruike Linus Opara --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Department of Horticultural Sciences, Faculty of AgriSciences, South Africa

Understanding the biochemical composition of fruit to be stored could be used as a tool for planning postharvest management to maintain quality and reduce losses of fresh fruit. This study evaluated the effects of harvesting fruit seven days before (H1)...

View item »
Notes on East African Plant Virus Diseases: II. Courgette Leaf Distortion Incited by Watermelon Mosaic Virus

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: W. Bakker --- National Agricultural Laboratories, Kenya

View item »
Effect of Acidity and Cation Content of Nutrient Supply on Yield of Pyrethrum

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. Pinkerton --- National Agricultural Laboratory, Kenya

View item »
Cylindrocarpon Root-Rot of Tea in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. M. Kari --- National Agricultural Laboratories, Kenya J. J. Ondieki --- National Agricultural Laboratories, Kenya

View item »
Gypsum as Improver of the Permeability of Grumusol (Typic Pellustert) in the Kano Plains of Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: N. N. Nyandat --- National Agricultural Laboratories, Kenya

View item »
A Modified Geering Cage for Breeding Cotton Stainers, Dysdercus Spp, (Hem., Pyrrhocoridae) in the Laboratory

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. B. Muthamia --- National Agricultural Laboratories, Kenya

View item »
Origin and Evolution of Guinea Sorghums

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. M. J. de Wet --- Crop Evolution Laboratory, U.S.A. J. R. Harlan --- Crop Evolution Laboratory, U.S.A. B. Kurmarohita --- Crop Evolution Laboratory, U.S.A.

View item »
The Heritability and the Economic Importance of Nipple Numbers in Swine at the University of Ibadan

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. A. Oluyemi --- University of Ibadan, Nigeria Ebun Babatola --- University of Ibadan, Nigeria

View item »
A Survey of Cocoa Diseases in Uganda

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: S. Matovu --- Kawanda Research Station, Uganda

View item »
Halo Blight of Oats in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. E. Harder --- Plant Breeding Station, Kenya D. C. Harris --- National Laboratories, Kenya

View item »
Fertilizer Experiments on Small Cotton Farms in Kenya 1968–1971

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: S. Tveitnes --- National Agricultural Laboratories, Kenya O. Nyaas-Aakerbakken --- National Agricultural Laboratories, Kenya

View item »
Notes on East African Plant Virus Diseases

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: W. Bakker --- National Agricultural Laboratories, Kenya

View item »
Insect Damage to Exotic Pasture in the Southern Highlands of Tanzania

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. W. R. McCrae --- Medical Research Council Laboratories, The Gambia

View item »
Effects of 4-(Indole-3)-Butyric Acid, Light Intensity and Terminal Buds in Vegetative Propagation of Some Species of Hibiscus

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. L. Kachecheba --- Jodrell Laboratory, Royal Botanic Gardens, England

View item »
Host Records of Specularius Species (Coleoptera, Bruchidae) with Notes on the Infestation of Pigeon Peas (Cajanus cajan (L.)) by These Beetles

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: B. J. Southgate --- Pest Infestation Control Laboratory, J. A. McFarlane --- Tropical Stored Products Centre,

View item »
Incidence of Animal Poisoning in Kenya: A Review of Cases Reported in the Period 1969–1974

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Molly I. Keating --- Veterinary Research Laboratory, Kenya

View item »
Incidence of Animal Poisoning in Kenya: A Review of Cases Notified in the Period 1975–1977

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Molly I. Keating --- Veterinary Research Laboratory, Kenya

View item »
Seasonal Nutritional Characteristics of Livestock Forage in South Turkana, Kenya.

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. L. Coppock --- Natural Resources Ecology Laboratory, U.S.A. D. M. Swift --- Natural Resources Ecology Laboratory, U.S.A. J. E. Ellis --- Natural Resources Ecology Laboratory, U.S.A. S. K. Waweru --- Natural Resources Ecology Laboratory, U.S.A.

View item »
Seasonal Food Habits of Livestock in South Turkana, Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. L. Coppock --- Natural Resource Ecology Laboratory, U.S.A. J. E. Ellis --- Natural Resource Ecology Laboratory, U.S.A. D. M. Swift --- Natural Resource Ecology Laboratory, U.S.A.

View item »
Single Gene Effects on the Performance of West German Bred Cockerels of Different Genotypes Under Zambian Conditions

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. B. D. Katongole --- Department of Animal Science, Zambia P. Horst --- Department of Animal Science, Zambia S. Ochetim --- Department of Animal Science, Zambia

View item »
Epidemiology of African Cassava Mosaic Virus in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A.A. Seif --- National Agricultural Laboratories, Kenya

View item »
Fermentation Characteristics and Nutritive Value of Broiler Litter Derived from Coffee Husks and Ensiled with Maize Forage

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: H. Kato --- Department of Animal Science, Uganda F. B. Bareeba --- Department of Animal Science, Uganda J.S. Mugerwa --- Department of Animal Science, Uganda

View item »
Contraction and Refrigeration of Rabbit Muscle and Meat

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: V.O. Ikpehai --- Meat Science Laboratory, Department of Animal Science, Nigeria A.O. Okubanjo --- Meat Science Laboratory, Department of Animal Science, Nigeria

View item »
Influence of Formadehyde Fumigation and Fytolan Drench on the Vesicular-Arbuscular Mycorrhizal Status of Some Forest Tree Seedlings in an Indian Nursery

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: V. Sugavanam --- Microbiology Laboratory, Department of Botany, India K. Udaiyan --- Microbiology Laboratory, Department of Botany, India S. Manian --- Microbiology Laboratory, Department of Botany, India

View item »
A Statistical Design for a Pig Feeding Trial

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: R. T. Clarke --- Scott Agricultural Laboratories, Kenya

View item »
A Manurial Trial on Sugar

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: R. T. Clarke --- Scott Agricultural Laboratories, Kenya

View item »
Diseases of Pyrethrum in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: R. A. Robinson --- Scott Agricultural Laboratories, Department of Agriculture,

View item »
Notes on Animal Diseases

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. A. Howard --- Veterinary Research Laboratory, Kenya

View item »
The Use of Bamboo as a Cattle Feed

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: R. A. Ayre-Smith --- Veterinary Research Laboratory, Kenya

View item »
A Small Controlled Trial of the Anthelmintics Haloxon and Thiabendazole in Sheep

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: S. F. Barnett --- Veterinary Research Laboratory, J. Berger --- Wellcome Research Laboratory (E.A.), C. Rodrigues --- Veterinary Research Laboratory,

View item »
A Comparative Field Trial of the Anthelmintics Haloxon and Thiabendazole in Merino Lambs and Weaner Sheep

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Berger --- Wellcome Research Laboratory (E.A.),

View item »
The Symbiotic Specialization of African Trifolium Spp. in Relation to their Taxonomy and their Agronomic Use

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. O. Norris --- C.S.I.R.O. Division of Tropical Pastures, Cunningham Laboratory, L.'t Mannetje --- C.S.I.R.O. Division of Tropical Pastures, Cunningham Laboratory,

View item »
Bacterial Wilt of Potatoes in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: R. A. Robinson --- Scott Agricultural Laboratories, Department of Agriculture, Kenya A. H. Ramos --- Scott Agricultural Laboratories, Department of Agriculture, Kenya

View item »
Further Notes on Veterinary Toxicological Analysis

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. P. Braithwaite --- Veterinary Research Laboratory, Department of Veterinary Services, Kenya M. L. Sapiro --- Veterinary Research Laboratory, Department of Veterinary Services, Kenya

View item »
Mineral Status of Grasses and Soils of Part of Mbulu District of Tanzania in Relation to Animal Health

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. H. Naik --- Central Veterinary Laboratory,

View item »
Varietal Resistance to Sugar Cane Smut in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. M. Waller --- National Agricultural Laboratories, Kenya

View item »
Castor Seed Production in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: C. H. Peeler --- National Agricultural Laboratories, Kenya

View item »
Production of Kenaf and Other Soft Fibres in Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: C. H. Peeler --- National Agricultural Laboratories, Kenya

View item »
Chemical Composition of Tanzania Feedstuffs

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. H. Naik --- Central Veterinary Laboratory, Tanzania

View item »
An Outbreak of Rats in Agricultural Areas of Kenya in 1962

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: K. D. Taylor --- Infestation Control Laboratory, England

View item »
A Feature Card System for Data Retrieval and its Application to Soil Research

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Makin --- National Agricultural Laboratory, Kenya

View item »
The Use of Identification Keys in Distinguishing Individual Soil Categories

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Makin --- National Agricultural Laboratory, Kenya

View item »
A Soil Catena and Associated Laterite Levels in Western Kenya

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Makin --- National Agricultural Laboratory, Kenya

View item »
Soil Formation in the Turkana Desert

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Makin --- National Agricultural Laboratory, Kenya

View item »
Comparison of X-Ray, Spectrochemical and Chemical Analyses for Micro-Nutrients in Plant Tissues

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. Pinkerton --- National Agricultural Laboratory, A. A. Theisen --- National Agricultural Laboratory, D. J. Tubb --- East African Agriculture and Forestry Research Organization,

View item »
Evaluation of Phosphorus Soil Test Methods by Greenhouse Studies and Laboratory Tests

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: P. O. Ogot --- National Agricultural Laboratories, Kenya

View item »
Some Observations on Coastal Soils

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. Makin --- National Agricultural Laboratory, Kenya

View item »
The Yeast Flora of Fermenting Robusta Coffee

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: W. Van Pee --- Laboratoire de Microbiologie, Democratic Republic of the Congo J. Castelein --- Laboratoire de Microbiologie, Democratic Republic of the Congo

View item »
Chemical and Microbiological Studies on Congolese Palm Wines. (Elaeis guineensis)

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: W. Van Pee --- Laboratoire de Microbiologie, Democratic Republic of the Congo J. G. Swings --- Laboratoire de Microbiologie, Democratic Republic of the Congo

View item »
Synchronization of Oestrus and Ovulation in Bos Indicus Heifers Using an Orally Active Progestogen

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. S. Macfarlane --- Central Veterinary Laboratory, Tanzania R. Saleka --- Central Veterinary Laboratory, Tanzania

View item »
Phosphate Sorption Capacity in Relation to Properties of Several Types of Kenya Soil

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: G. Hinga --- National Agricultural Laboratories, Kenya

View item »
The Nature of Soils and pH Changes in Land Reclaimed for Arable Use in the Yala Swamp

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: N. N. Nyandat --- National Agricultural Laboratories, Kenya

View item »
Carcass Profile of Red Sokoto-West African Dwarf Goat Crosses of Defined Age and Sex

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. O. Adegbuyi --- Meat Science Laboratory, Department of Animal Science, Nigeria J. K. Loosli --- Meat Science Laboratory, Department of Animal Science, Nigeria A. O. Okubanjo --- Meat Science Laboratory, Department of Animal Science, Nigeria L. O. Ngere --- Meat Science Laboratory, Department of Animal Science, Nigeria

View item »
Evaluation of Bean Cultivars at Different Stages of Growth for Resistance to Beanflies

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J.H. Nderitu --- National Agricultural Research Laboratories, Kenya

View item »
From Research Plots to Farmer Adoption: An Approach for Agroforestry Research and Development Interaction

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Kwesi Atta-Krah --- Agronomist and Coordinator of AFRENA East and Central Africa, and African Highlands Initiative, Kenya

Traditionally, research and extension/development have existed as separate activities, usually in separate government institutions. Conventional wisdom has always seen research as generating technologies and passing on these technologies to the development and extension organisations for transfer to farmers. In several...

View item »
Biomass equations for selected drought-tolerant eucalypts in South Africa

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Darius Phiri --- Department of Forest and Wood Science, South Africa Pierre Ackerman --- Department of Forest and Wood Science, South Africa Brand Wessels --- Department of Forest and Wood Science, South Africa Ben du Toit --- Department of Forest and Wood Science, South Africa Marie Johansson --- Department of Building Technology, Sweden Harald Säll --- Department for Forestry and Wood Technology, Sweden Sven-Olof Lundqvist --- Wood and Fibre Measurement Laboratory, Innventia AB, Sweden Thomas Seifert --- Department of Forest and Wood Science, South Africa

In the water-scarce environment of South Africa, drought-tolerant eucalypt species have the potential to contribute to the timber and biomass resource. Biomass functions are a necessary prerequisite to predict yield and carbon sequestration. In this study preliminary biomass models for...

View item »
Managing Tourism Market Borders and Fluid Goods in EAC Countries

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sirili Akko --- TATO, Tanzania

View item »
Institutional Factors Affecting Expansion within the East African Community: An Analysis of Managers’ Personal Stories

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Trey Sutton --- Robins School of Business, USA Jeremy C. Short --- Michael F. Price College of Business, USA Aaron F. McKenny --- College of Business Administration, USA Rebecca Namatovu --- Makerere University Business School, Uganda

This study investigates the roles of the regulative, normative, and cognitive institutional pillars as perceived obstacles and facilitators of internationalization within an integrated region. Integrated regions involve efforts to create institutional similarities among member nations and encourage intra-regional trade. These...

View item »
Universalism and African philosophy

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Bernard Matolino --- Philosophy Department, South Africa

In some quarter there exists a domineering view of philosophy as objective and universal in character. Any philosophical activity that fails to live up to the set standards is dismissed as retaining a non-epistemic/philosophical status. However, this view is not...

View item »
Nesting ecology of Ferruginous Duck Aythya nyroca in north-eastern Algeria

Item type: Journal Article • Journal: African Zoology • Authors: Aicha Fouzari --- Laboratoire de Recherche et de Conservation des Zones Humides, University of Guelma, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, University of Guelma, Algeria Ahmed H Alfarhan --- Center of Excellence for Research in Biodiversity, King Saud University, Saudi Arabia Boudjéma Samraoui --- Center of Excellence for Research in Biodiversity, King Saud University, Saudi Arabia

The status of waterbirds breeding in protected areas in North Africa needs constant monitoring because of a naturally fluctuating environment and permissive attitudes towards illegal activities likely to negatively affect population dynamics of threatened species. We present the results of...

View item »
Effect of Selection with Phospholan and Cypermethrin on Cross-Resistance Characteristics in the Egyptian Cotton Leafworm Spodoptera Littoralis (Boisd)

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: E. I. El-Sayed --- Laboratory of Plant Protection, National Research Centre, Egypt S. A. Abo-Donia --- Laboratory of Plant Protection, National Research Centre, Egypt A. H. Homanna --- Laboratory of Plant Protection, National Research Centre, Egypt

View item »
The role of the community conversation approach in facilitating HIV/AIDS competence and utilisation of testing services in Africa: the case of Ethiopia

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Yeshambel T Nigatu --- Department of Health Sciences, the Netherlands Solomon Abera --- Department of Medical Laboratory and Pathology, Ethiopia Medhanit G Mekonnen --- Amref Health Africa, Ethiopia Wondiber N Melesse --- Department of Statistics, Faculty of Natural Sciences, Ethiopia

Background: HIV/AIDS is a global epidemic. Although unpublished studies showed that the number of AIDS related deaths has fallen by 39% between 2005 and 2013 in sub-Saharan Africa, the region still accounted for 74% of all the people dying from...

View item »
Occurrence of Tetracampos ciliotheca (Cestoda: Bothriocephalidea) in the gall bladder of Clarias anguillaris in Burkina Faso

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Y Sinaré --- Laboratoire de Biologie et Ecologie Animales, Département de Biologie et Physiologie Animales, Burkina Faso M Boungou --- Laboratoire de Biologie et Ecologie Animales, Département de Biologie et Physiologie Animales, Burkina Faso A Ouéda --- Laboratoire de Biologie et Ecologie Animales, Département de Biologie et Physiologie Animales, Burkina Faso K Mano --- Laboratoire de Biologie et Ecologie Animales, Département de Biologie et Physiologie Animales, Burkina Faso WN Kpoda --- Laboratoire de Biologie et Ecologie Animales, Département de Biologie et Physiologie Animales, Burkina Faso NG Sakiti --- Département de Zoologie, Benin GB Kabré --- Laboratoire de Biologie et Ecologie Animales, Département de Biologie et Physiologie Animales, Burkina Faso

The presence of the bothriocephalidean cestode Tetracampos ciliotheca Wedl, 1861 is reported from the gall bladders of the catfish Clarias anguillaris from Loumbila and Ziga reservoirs, Burkina Faso, in 2010–2011. Of the 159 specimens examined, 47 were infected. Mean intensity...

View item »
Resource partitioning in two coexisting cladocerans, Daphnia magna and Scapheloberis kingi (Anomopoda: Daphniidae), in north-eastern Algeria

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: K Chakri --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria B Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria

Life-history traits of two coexisting cladocerans, Daphnia magna Straus and Scapheloberis kingi Sars, inhabiting a temporary pond in north-eastern Algeria were monitored in 2013 under laboratory conditions. Their life histories were compared for differences in traits such as age and...

View item »
Aquatic invertebrate fauna of wells in a tropical mountain climate, western Cameroon

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Nana Nkemegni --- Laboratoire de Biologie Générale, Faculté des Sciences, Université de Yaoundé 1, Cameroun SH Zébazé Togouet --- Laboratoire de Biologie Générale, Faculté des Sciences, Université de Yaoundé 1, Cameroun A Fomena --- Laboratoire de Biologie Générale, Faculté des Sciences, Université de Yaoundé 1, Cameroun OF Pountougnigni --- Laboratoire de Biologie Générale, Faculté des Sciences, Université de Yaoundé 1, Cameroun C Piscart --- UMR CNRS 6553 Ecosystèmes, Biodiversité, Evolution (ECOBIO), Université Rennes 1, France

The present study, conducted between May 2012 and September 2013, aimed to determine the distribution of groundwater invertebrates in the Bamoun tableland, Cameroon. A total of 216 samples taken from 30 wells in four localities – Foumban, Foumbot, Kouoptamo and...

View item »
Biophysical models of larval dispersal in the Benguela Current ecosystem

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Lett --- UMI IRD 209 UPMC UMMISCO, Centre de Recherche Halieutique Méditerranéenne et Tropicale, France CD van der Lingen --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa BR Loveday --- Remote Sensing Group, Plymouth Marine Laboratory, UK CL Moloney --- Marine Research Institute and Department of Biological Sciences, South Africa

We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. Biophysical models of larval dispersal use outputs of physical hydrodynamic models as inputs to individual-based models in which biological processes acting during...

View item »
Lattice and Algebra Homomorphisms on C(X) in Zermelo-Fraenkel Set Theory

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Karim Boulabiar --- Laboratoire de Recherche LATAO, Département de Mathématiques, Faculté des Sciences de Tunis, Tunisia

Let C (X) denote the lattice-ordered algebra of all real-valued continuous functions on a topological space X. This paper discusses in Zermelo-Fraenkel Set Theory the equivalence on C (X) between algebra homomorphisms, lattice homo- morphisms, and point evaluations.

View item »
Roman and Total Domination

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mustapha Chellali --- LAMDA-RO Laboratory, Department of Mathematics, Algeria Teresa W. Haynes --- Department of Mathematics and Statistics, South Africa Stephen T. Hedetniemi --- Professor Emeritus, School of Computing, Clemson University, USA

A set S of vertices is a total dominating set of a graph G if every vertex of G is adjacent to some vertex in S. The minimum cardinality of a total dominating set is the total domination number γt(G)...

View item »
Experimental study of an optimised solar still type with two condensing compartments suitable for alcoholic distillation

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Siaka Touré --- Laboratoire d'Energie Solaire, Côte d'Ivoire Dobet Dago N'Drin --- Laboratoire d'Energie Solaire, Côte d'Ivoire Hassan Salami --- Laboratoire d'Energie Solaire, Côte d'Ivoire Modibo Sidibé --- Laboratoire d'Energie Solaire, Côte d'Ivoire Diakaridja Traoré --- Laboratoire d'Energie Solaire, Côte d'Ivoire

An optimised solar still prototype suitable for alcoholic distillation was designed and tested. Its design is different from the single slope conventional solar still. It consists of two compartments which are in communication by a slit. One of the two...

View item »
Small farmers’ adoption behaviour: Uptake of elephant crop-raiding deterrent innovations in the Okavango Delta, Botswana

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sekondeko R. Noga --- Okavango Research Institute, Botswana Oluwatoyin D. Kolawole --- Okavango Research Institute, Botswana Olekae Thakadu --- Okavango Research Institute, Botswana Gaseitsiwe Masunga --- Okavango Research Institute, Botswana

This paper invokes the adoption-diffusion model to examine two introduced elephant crop-raiding deterrent innovations (ECDIs), and the factors influencing their adoption by small farmers in the Okavango Delta, Botswana. Two communities (Gudigwa and Eretsha) were purposefully selected as case studies...

View item »
6.1.1 Physiography and Soil Types in the High Rainfall Region of Kenya and Their Hydrological Significance

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: N. N. Nyandat --- National Agricultural Laboratories, Kenya

View item »
6.1.3 Prediction of Peak Discharges from Small Rural Catchments

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: D. Fiddes --- Transport and Road Research Laboratory, Department of the Environment Crowthorne, U.K.

View item »
Identifying high-yielding dryland wheat cultivars for the summer rainfall area of South Africa

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ernest Dube --- Agricultural Research Council–Small Grain Institute, South Africa Rorisang Mare-Patose --- Agricultural Research Council–Small Grain Institute, South Africa Willem Kilian --- Agricultural Research Council–Small Grain Institute, South Africa Annelie Barnard --- Agricultural Research Council–Small Grain Institute, South Africa Toi J Tsilo --- Agricultural Research Council–Small Grain Institute, South Africa

Drought is a major challenge to dryland wheat (Triticum aestivum L.) production in the summer rainfall area (SRA) of South Africa. Dryland wheat farming in the SRA is unique in that the crop is dry-planted on high-water-table soils in winter,...

View item »
Population density of the Réunion Grey White-eye Zosterops borbonicus within the summit ecosystems of Réunion, Mascarene Islands

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Joris AM Bertrand --- Laboratoire Évolution et Diversité Biologique, France Yann XC Bourgeois --- Laboratoire Évolution et Diversité Biologique, France Christophe Thébaud --- Laboratoire Évolution et Diversité Biologique, France

Assessing population density is crucial for studying the ecology and evolutionary biology of species as well as for conservation purposes. Here we used point count methods to infer population density in a single-island endemic passerine bird, the Réunion Grey White-eye...

View item »
Shade tolerance and suitability of tree species for planting in rubber plantations

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Yaohua Tian --- Yunnan Institute of Tropical Crops, China Huifang Yuan --- Yunnan Institute of Tropical Crops, China Jiang Xie --- Yunnan Institute of Tropical Crops, China Yulong Zheng --- Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, China

The rapid increase in rubber monoculture in Xishuangbanna has resulted in extensive damage to its local ecosystem. To decrease the negative effects, the concept of the ecological-economic rubber plantation (EERP) system was proposed. The EERP entails intercropping rubber plants with...

View item »
First outbreak of vancomycin-resistant Enterococcus in a haematology unit in Durban, South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Yesholata Mahabeer --- Department of Medical Microbiology, South Africa Warren Lowman --- Vermaak and Partners Pathologists, South Africa Chetna N Govind --- School of Laboratory Medicine and Medical Sciences, South Africa Khine Swe-Swe-Han --- Department of Medical Microbiology, South Africa Koleka P Mlisana --- Department of Medical Microbiology, South Africa

Vancomycin resistant enterococci (VRE) are increasingly important causes of morbidity and mortality in developed countries. Although VRE is a significant cause of nosocomial sepsis in these countries, limited data is available on the role that this pathogen plays in South...

View item »
Apparent digestibility and microbial protein yield of Desmodium uncinatum, Mucuna pruriens and Vigna unguiculata forage legumes in goats

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Simbarashe Katsande --- Department of Animal Science, School of Agriculture, South Africa Joseph J Baloyi --- Department of Animal Science, School of Agriculture, South Africa Florence V Nherera-Chokuda --- Agricultural Research Council, South Africa Nobbert T Ngongoni --- Faculty of Agriculture, Zimbabwe Gift Matope --- Paraclinical Department of Veterinary Sciences, Zimbabwe Plaxedis I Zvinorova --- Paraclinical Department of Veterinary Sciences, Zimbabwe Jacob Gusha --- Paraclinical Department of Veterinary Sciences, Zimbabwe

This study examined the effects of adding forage legumes as protein supplements to poor-quality natural pasture (veld) hay offered to goats on microbial protein yield and nitrogen metabolism. Four indigenous Nguni-type goats were used in a 4×4 Latin cross-over design...

View item »
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 Africa

Measuring 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...

View item »
Using an unbaited stationary video system to investigate the behaviour and interactions of bull sharks Carcharhinus leucas under an aquaculture farm

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: N Loiseau --- Institut de Recherche pour le Développement [IRD], UMR ENTROPIE (IRD, Universite de La Réunion, CNRS), Laboratoire d'Excellence [LABEX] CORAIL, France JJ Kiszka --- Marine Sciences Program, Department of Biological Sciences, USA T Bouveroux --- Coastal and Marine Research Institute, Nelson Mandela Metropolitan University, South Africa MR Heithaus --- Marine Sciences Program, Department of Biological Sciences, USA M Soria --- IRD – UMR EME, France P Chabanet --- Institut de Recherche pour le Développement [IRD], UMR ENTROPIE (IRD, Universite de La Réunion, CNRS), Laboratoire d'Excellence [LABEX] CORAIL, France

Bull sharks Carcharhinus leucas are common along the coast of Reunion Island (South-West Indian Ocean) and were suspected to aggregate in the vicinity of an aquaculture farm in Saint-Paul Bay on the west coast. In order to understand the behaviour...

View item »
Annual cycle of the upper-ocean circulation and properties in the tropical western Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Manyilizu --- Department of Oceanography, South Africa P Penven --- Ifremer, Univ. Brest, CNRS, IRD, Laboratoire dʹOcéanographie Physique et Spatiale (LOPS), France CJC Reason --- Department of Oceanography, South Africa

A regional ocean model was used to simulate the annual cycle of the upper-ocean dynamics and its influence on ocean properties in the tropical western Indian Ocean. Surface winds and heat fluxes from the National Centers for Environmental Prediction (NCEP)...

View item »
The diagnosis and management of struma ovarii

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Jennifer L Butt --- Department of Obstetrics and Gynaecology; University of Stellenbosch, South Africa Tanya I Wantenaar --- Department of Anatomical Pathology; University of Stellenbosch, South Africa

Struma ovarii are a rare type of monodermal teratoma. Preoperative diagnosis of struma ovarii is difficult as the symptoms, clinical presentation and image on ultrasound are often similar to that of ovarian carcinoma. These patients, with mostly benign disease, often...

View item »
High level of initial default among smear positive pulmonary tuberculosis in eThekwini health district, KwaZulu-Natal

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Lindiwe Priscilla Cele --- National Health Laboratory Services, South Africa Stephen Knight --- School of Nursing and Public Health, South Africa Elize Webb --- School of Health Systems and Public Health, SHSPH, South Africa Khin Tint --- SAFELTP NICD, South Africa Thembelihle Dlungwane --- School of Nursing and Public Health, South Africa

In this study, initial tuberculosis (TB) default was measured in clinics in a district with a high incidence of TB. A retrospective review of TB case identification registers in 2007 found 4049 (9.0%) new smear positive pulmonary tuberculosis (PTB) cases...

View item »
Retrospective comparison of cytological and histological bone marrow morphology in adult antiretroviral-naïve and antiretroviral experienced human immunodeficiency virus-infected patients with peripheral blood cytopaenias

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Suraya Naidoo --- Department of Haematology, South Africa Vincent Louis Naicker --- National Health Laboratory Services, South Africa

Background: A cohort of human immunodeficiency virus (HIV)-positive patients presenting to a quaternary hospital in KwaZulu-Natal, South Africa over a period of one year was identified and morphological analyses of their bone marrow aspirates and trephine biopsies (BMAT) undertaken.

View item »
A case of human survival of rabies, South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Jacqueline Weyer --- Centre for Emerging and Zoonotic Diseases and Division for Public Health Surveillance and Outbreak Response, South Africa Veerle Msimang-Dermaux --- Centre for Emerging and Zoonotic Diseases and Division for Public Health Surveillance and Outbreak Response, South Africa Janusz T Paweska --- Centre for Emerging and Zoonotic Diseases and Division for Public Health Surveillance and Outbreak Response, South Africa Kevin le Roux --- Allerton Provincial Veterinary Laboratory, South Africa Premi Govender --- Provincial Department of Health KwaZulu Natal, South Africa Jessica Coertse --- Department of Microbiology and Plant Pathology, South Africa Wanda Markotter --- Department of Microbiology and Plant Pathology, South Africa Louis H Nel --- Department of Microbiology and Plant Pathology, South Africa Lucille H Blumberg --- Centre for Emerging and Zoonotic Diseases and Division for Public Health Surveillance and Outbreak Response, South Africa

Human survival from rabies is exceptionally rare. We report a case of human survival (with severe neurological sequelae) in a child from South Africa. The patient was exposed to rabid dogs on two separate occasions and subjected to incomplete post-exposure...

View item »
Past and present fish species recorded in the estuarine Lake Ichkeul, northern Tunisia

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Shaiek --- Research Unit Ecosystems and Aquatic Resources (UR13AGRO1), National Agronomy Institute of Tunisia (INAT), Tunisia C Fassatoui --- Research Unit Ecosystems and Aquatic Resources (UR13AGRO1), National Agronomy Institute of Tunisia (INAT), Tunisia MS Romdhane --- Research Unit Ecosystems and Aquatic Resources (UR13AGRO1), National Agronomy Institute of Tunisia (INAT), Tunisia

Lake Ichkeul in northern Tunisia is a Ramsar site, a MAB Biosphere Reserve and a UNESCO World Heritage Site. The system is one of the most important coastal wetlands in North Africa, especially as an over-wintering area for migratory birds,...

View item »
Population parameters and exploitation rate of Sarotherodon galilaeus galilaeus (Cichlidae) in Lakes Doukon and Togbadji, Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Lederoun --- Laboratory of Functional and Evolutionary Morphology, Belgium P Vandewalle --- Laboratory of Functional and Evolutionary Morphology, Belgium AA Brahim --- Laboratory of Hydrobiology and Aquaculture, Faculty of Agricultural Sciences, Benin J Moreau --- Department of Aquatic Environment, France PA Lalèyè --- Laboratory of Hydrobiology and Aquaculture, Faculty of Agricultural Sciences, Benin

Growth, mortality, recruitment and relative yield per recruit of Sarotherodon galilaeus galilaeus from Lakes Doukon and Togbadji were studied. Data on total length, total weight and sex were recorded on a monthly basis between January and December 2013 for S...

View item »
Progress towards eliminating iodine deficiency in South Africa

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Pl Jooste --- Nutritional Intervention Research Unit, South Africa Mb Zimmermann --- Human Nutrition Laboratory, ETH Zürich, Switzerland, and Division of Human Nutrition, The Netherlands

Before the introduction of salt iodisation in 1954, South Africa was one of the many countries of the world with a lack of iodine in most of its territory and hence there was a need for a salt iodisation programme...

View item »
Growth of infants born to HIV-positive mothers fed a whey-adapted acidified starter formula with prebiotics and nucleotides

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Pa Cooper --- Department of Paediatrics, South Africa Kd Bolton --- Department of Paediatrics, South Africa M. Mokhachane --- Department of Paediatrics, South Africa Sc Velaphi --- Department of Paediatrics, South Africa Rm Mphahlele --- Department of Paediatrics, South Africa Hn Bomela --- Department of Paediatrics, South Africa L. Monaheng --- Department of Paediatrics, South Africa P. Roux --- School of Child and Adolescent Health, South Africa E. Haschke-Becher --- Central Laboratory, Department of Neurology, Austria

Objectives: The objectives of this study were to evaluate whether infants born to known HIV-positive mothers, but who were not themselves infected with HIV and who were fed a chemically acidified starter formula with prebiotics with or without nucleotides during...

View item »
Nutrition in paediatric Crohn’s disease

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: O. Goulet --- Department of Pediatric Gastroenterology, Hepatology and Nutrition, France

Inflammatory bowel disease (IBD) such as Crohn’s disease (CD) results from the interaction between an individual’s immune response and precipitant environmental factors, which generate an anomalous chronic inflammatory response in those who are genetically predisposed. Protein-energy malnutrition (PEM) is a...

View item »
Community-based agricultural interventions in the context of food and nutrition security in South Africa

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M. Faber --- Nutritional Intervention Research Unit, C. Witten --- Nutritional Intervention Research Unit, S. Drimie --- Regional Coordinator, RENEWAL,

Despite South Africa being a food-secure country in terms of aggregate food availability, it is listed by the World Health Organization as one of 36 high-burden countries, home to large numbers of stunted children. Recent findings, in the context of...

View item »
Perceptions of body size and its association with HIV/AIDS

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: T. Matoti-Mvalo --- Diva Nutritional Products, T. Puoane --- School of Public Health,

Objective: To explore the perception among black South African women that people who are thin are infected with HIV or have AIDS.

View item »
The role of human milk oligosaccharides in preventing necrotising enterocolitis and human immunodeficiency virus transmission

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: E. Van Niekerk --- Division Human Nutrition, R. Blaauw --- Division Human Nutrition, Gf Kirsten --- Department of Paediatrics and Child Health, Division of Neonatology,

The heavy burden of maternal human immunodeficiency virus (HIV) infection has resulted in a high prevalence of premature births, with an associated increase in the incidence of necrotising enterocolitis (NEC). NEC is a life-threatening inflammatory disease of the gastrointestinal tract...

View item »
WHO 2010 infant feeding guidelines in resource-limited settings: attitudes of human immunodeficiency virus-infected women and other role players in Kampala, Uganda

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Jn Matovu --- Makerere University-Johns Hopkins Research Collaboration (MU-JHU)/Mulago Hospital PMTCT Program Coordinator/Investigator of Record;, Uganda C. Onyango-Makumbi --- Clinical Research Site Coordinator/Investigator, Uganda Pe. Namuli --- Nurse Study Coordinator, Uganda Eo Tanga --- Makerere School of Public Health, Uganda Mn Kagawa --- Department of Obstetrics and Gynaecology, Uganda Gk Nalwadda --- Department of Nursing, Uganda M. Motevalli --- John Hopkins School of Medicine, USA Fc Semitala --- Department of Internal Medicine, Uganda Et O’Gara --- National Institute of Allergy and Infectious Diseases Medical Officer, Henry M Jackson Foundation, USA Mg Fowler --- Johns Hopkins Clinical Trials Unit Principal Investigator and Executive Director MU-JHU, USA

Objective: The objective of the study was to describe the attitudes of human immunodeficiency virus (HIV)-infected women and other role players towards the World Health Organization (WHO) 2010 infant feeding guidelines.

View item »
Patient satisfaction with medical consultations among adults attending Mulago hospital assessment centre

Item type: Journal Article • Journal: South African Family Practice • Authors: Angella Kabatooro --- Department of Family Medicine, Uganda Fred Ndoboli --- Department of Family Medicine, Uganda Jane Namatovu --- Department of Family Medicine, Uganda

Background: Patient satisfaction is known to positively influence patients’ compliance with medical advice. In Africa, and specifically Uganda, this interaction has rarely been put to scientific inquiry. This study aimed to determine the level of patient satisfaction and identify factors...

View item »
Sources of anxiety among pre-service teachers on field placement experience

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sheila N. Matoti --- Central University of Technology, South Africa Motshidisi A. Lekhu --- Central University of Technology, South Africa

This study examined pre-service students’ perceptions of their sources of anxiety during field experience. A sample of 85 undergraduate education students participated in the study (females = 52.9%). The students completed a survey on their perceptions of sources of anxiety...

View item »
Sexual size dimorphism and morphometric sexing in a North African population of Laughing Doves Spilopelia senegalensis

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Tasnim Ayadi --- Département des Sciences de la Vie, Faculté des Sciences, Tunisia Abdessalem Hammouda --- Département des Sciences de la Vie, Faculté des Sciences, Tunisia Samia Kididi --- Laboratoire d’Elevage et Faune Sauvage, Tunisia Mohamed Habib Yahyaoui --- Laboratoire d’Elevage et Faune Sauvage, Tunisia Slaheddine Selmi --- Département des Sciences de la Vie, Faculté des Sciences, Tunisia

Like the majority of Columbiformes, the Laughing Dove Spilopelia senegalensis is sexually monomorphic in plumage, but seems to be slightly dimorphic in size. However, due to the lack of studies little is known about the sexual size dimorphism in this...

View item »
Clonal propagation of Pterocarpus santalinoides L'Hér. ex DC.: the effect of substrate, cutting type, genotype and auxin

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Catherine Ky-Dembele --- World Agroforestry Centre – West Africa and Central Regional Office - Sahel Node – BP, Mali Jules Bayala --- World Agroforestry Centre – West Africa and Central Regional Office - Sahel Node – BP, Mali Antoine Kalinganire --- World Agroforestry Centre – West Africa and Central Regional Office - Sahel Node – BP, Mali Fatoumata Tata Traoré --- World Agroforestry Centre – West Africa and Central Regional Office - Sahel Node – BP, Mali Bréhima Koné --- World Agroforestry Centre – West Africa and Central Regional Office - Sahel Node – BP, Mali Alain Olivier --- Université Laval, Canada

Pterocarpus santalinoides is a multipurpose tree species, native to Africa and South America. However, excessive pruning for fodder is jeopardising its seed production leading to poor regeneration in the Sahel region. Efficient vegetative propagation techniques may overcome this concern. To...

View item »
Vegetative propagation of twelve fodder tree species indigenous to the Sahel, West Africa

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Catherine Ky-Dembele --- World Agroforestry Centre, Mali Jules Bayala --- World Agroforestry Centre, Mali Antoine Kalinganire --- World Agroforestry Centre, Mali Fatoumata Tata Traoré --- World Agroforestry Centre, Mali Bréhima Koné --- World Agroforestry Centre, Mali Alain Olivier --- Département de phytologie, Canada

In the Sahel region, many woody species are used as fodder because of their high nitrogen content, especially during the dry season, in contrast to grasses and crop residues. Unfortunately, this resource is being threatened by regular pruning, increasing livestock...

View item »
The Use of Very Low Calorie Diets in the Management of Type 2 Diabetes Mellitus

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Hamish van Wyk --- Education Facilitator at The Centre for Diabetes and Endocrinology, Michelle Daniels --- Dietitian at The Centre for Diabetes and Endocrinology,

View item »
Disseminated fungal infection in an HIV-infected patient due to Aureobasidium pullulans

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Wesley G. van Hougenhouck-Tulleken --- Division of Rheumatology, Department of Internal Medicine, South Africa Garrison Mathole --- Department of Internal Medicine, South Africa Alan Karstaedt --- Division of Infectious Diseases, Department of Internal Medicine, South Africa Nimmisha Govind --- Division of Rheumatology, Department of Internal Medicine, South Africa Magendhree Moodley --- Department of Clinical Microbiology and Infectious Diseases, National Health Laboratory Service, South Africa Sharona Seetharam --- Department of Clinical Microbiology and Infectious Diseases, National Health Laboratory Service, South Africa Nelesh P. Govender --- National Institute for Communicable Diseases(Centre for Opportunistic, Tropical and Hospital Infections), a division of the National Health Laboratory Service, South Africa Colin N. Menezes --- Division of Infectious Diseases, Department of Internal Medicine, South Africa

In South Africa, novel fungal pathogens have emerged as an important cause of disease in HIV-infected individuals. The clinical presentation is characteristically prolonged, insidious and the diagnosis elusive, often being made post mortem. We report an HIV-infected individual with a...

View item »
Distribution patterns of the ghost crab Ocypode cursor on sandy beaches of a tropical island in the Cabo Verde archipelago, Eastern Central Atlantic

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Rodrigues --- Departamento de Engenharias e Ciências do Mar, R Freitas --- Departamento de Engenharias e Ciências do Mar, N de C Delgado --- Direcção Geral dos Recursos Marinhos, A Soares-Gomes --- Sediment Ecology Laboratory, Marine Biology Department, Brazil

The spatial distribution of the ghost crab Ocypode cursor was determined for beaches on eastern Boa Vista Island, Cabo Verde Archipelago. The main objectives were to analyse the across-shore distribution by means of burrow counts and to identify preferential zones...

View item »
Multiple sexual partnerships and their correlates among Facebook users in Swaziland: an online cross-sectional study

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Bhekumusa Wellington Lukhele --- Department of Global Health and Socio-Epidemiology, Japan Teeranee Techasrivichien --- Department of Global Health and Socio-Epidemiology, Japan Patou Masika Musumari --- Department of Global Health and Socio-Epidemiology, Japan Christina El-saaidi --- Department of Global Health and Socio-Epidemiology, Japan S. Pilar Suguimoto --- Department of Global Health and Socio-Epidemiology, Japan Masako Ono-Kihara --- Department of Global Health and Socio-Epidemiology, Japan Masahiro Kihara --- Department of Global Health and Socio-Epidemiology, Japan

Social networking sites (SNSs) have been suggested to facilitate risky sexual activities. However, it is unknown and of concern how SNSs such as Facebook shape risky sexual activities in developing settings such as Swaziland, the country hardest hit by HIV...

View item »
Voluntary medical male circumcision for HIV prevention in fishing communities in Uganda: the influence of local beliefs and practice

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Martin Mbonye --- MRC/UVRI Uganda Research Unit on AIDS, Uganda Monica Kuteesa --- MRC/UVRI Uganda Research Unit on AIDS, Uganda Janet Seeley --- MRC/UVRI Uganda Research Unit on AIDS, Uganda Jonathan Levin --- School of Public Health, Faculty of Health Sciences, South Africa Helen Weiss --- MRC Tropical Epidemiology Group, United Kingdom Anatoli Kamali --- MRC/UVRI Uganda Research Unit on AIDS, Uganda

Local beliefs and practices about voluntary medical male circumcision (VMMC) may influence uptake and effectiveness. Data were gathered through interviews with 40 people from four ethnically mixed fishing communities in Uganda. Some men believed that wound healing could be promoted...

View item »
A new galago species for South Africa (Primates: Strepsirhini: Galagidae)

Item type: Journal Article • Journal: African Zoology • Authors: Fabien Génin --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa Ayabulela Yokwana --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa Nokuthula Kom --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa Sébastien Couette --- Ecole Pratique des Hautes Etudes, Laboratoire Paléobiodiversité et Evolution and UMR uB CNRS 6282 “Biogéosciences”, France Thibault Dieuleveut --- Emirates Center for Wildlife Propagation, Morocco Stephen D Nash --- , USA Judith C Masters --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa

The primate fauna of South Africa has historically been viewed as comprising three diurnal cercopithecoid taxa – chacma baboons (Papio ursinus), vervet (Chlorocebus pygerythrus) and samango monkeys (Cercopithecus albogularis) – and two nocturnal lorisoid species – the thick-tailed greater galago...

View item »
Skull size and shape variation in Psammomys spp. (Rodentia, Gerbillinae) from Tunisia, with emphasis on the impact of allometric variation on species recognition

Item type: Journal Article • Journal: African Zoology • Authors: Hanene Khemiri --- Laboratory of Animal Ecology, Department of Biology, Sciences Faculty of Tunis, Tunisia Paolo Colangelo --- CNR, Italy M’barek Chétoui --- Laboratory of Animal Ecology, Department of Biology, Sciences Faculty of Tunis, Tunisia Saïd Nouira --- Laboratory of Animal Ecology, Department of Biology, Sciences Faculty of Tunis, Tunisia

In Tunisia both Psammomys obesus and P. vexillaris are found. These taxa have been the subject of taxonomic controversy for some time, due to variability in the classical morphological characters used for taxonomic recognition. In this study we investigated skull...

View item »
Epidemiology of cystic fibrosis respiratory pathogens isolated at a South African Hospital, 2006–2010

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Vindana Chibabhai --- National Health Laboratory Service (NHLS), Department of Clinical Microbiology and Infectious Diseases, South Africa Warren Lowman --- Department of Clinical Microbiology and Infectious Diseases, South Africa

Background: The epidemiology of cystic fibrosis (CF) associated pathogens other than Pseudomonas aeruginosa in the South African cystic fibrosis population has not been previously described.

View item »
Melham's Conjecture on Odd Power Sums of Fibonacci Numbers

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Brian Y. Sun --- Center for Combinatorics, LPMC, P.R. China Matthew H.Y. Xie --- Center for Combinatorics, LPMC, P.R. China Arthur L.B. Yang --- Center for Combinatorics, LPMC, P.R. China

Ozeki and Prodinger showed that the odd power sum of the first several consecutive Fibonacci numbers of even order is equal to a polynomial evaluated at a certain Fibonacci number of odd order. We prove that this polynomial and its...

View item »
Pursuing the agenda of Africanising philosophy in Africa: Some possibilities

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Munamato Chemhuru --- Philosophy & Religious Studies, Zimbabwe

The question about the existence or non-existence of African philosophy has almost died a natural death in the past few years. It is now a question of African and non-African thinkers putting their attention on actually doing African philosophy instead...

View item »
Cu(In,Ga)Se₂ solar cells, numerical simulation and analysis

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hocine Heriche --- Materials and Electronic Systems Laboratory, Algeria Zahir Rouabah --- Materials and Electronic Systems Laboratory, Algeria Sabrina Benabbas --- Materials and Electronic Systems Laboratory, Algeria

In this work, we have used a one-dimensional simulation program called the solar cell capacitance simulator (SCAPS) to design solar cells with the structure SnOx/CdS/CIGS (SnOx window, CdS buffer and CIGS absorber material) and study their performance. To improve efficiency...

View item »
A numerical study of high efficiency ultra-thin CdS/CIGS solar cells

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sabrina Benabbas --- Materials and Electronic Systems Laboratory, Algeria Zahir Rouabah --- Materials and Electronic Systems Laboratory, Algeria Hocine Heriche --- Materials and Electronic Systems Laboratory, Algeria Nacer-Eddine Chelali --- Materials and Electronic Systems Laboratory, Algeria

This work aims to improve the performance of solar cells with structure SnO2/CdS/CIGS/Mo by using the solar cell capacitance simulator (SCAPS-1D). Our idea is to insert the SnS layer between the absorber layer CIGS and the Mo (molybdenum) back contact...

View item »
NM Khaketla as the first woman in the promotion and development of Sesotho literature

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mabolaeng Thato Monyakane --- Department of African Languages, South Africa

The paper seeks to discuss NM Khaketla as a pioneering or the first woman in literacy circles and to portray how her participation in these circles contributed to the promotion and development of Sesotho literature. The term ‘first’ as used...

View item »
Organochlorine pesticides in Cyprinus carpio from Sidi Salem Dam, north-western Tunisia

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Mzoughi --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin, R Ennouri --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin, L Chouba --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin,

Cyprinus carpio (Linnaeus, 1758) caught in Sidi Salem Dam in 2011 were analysed for the levels of organochlorine pesticides (OCPs), including hexachlorobenzene (HCB), aldrin, heptachlor, lindane, dieldrin, endrin, and pp′-DDT and its two main metabolites pp′-DDD and pp′-DDE, in order...

View item »
Trophic ecology and persistence of invasive silver carp Hypophthalmichthys molitrix in an oligotrophic South African impoundment

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Lübcker --- Department of Zoology and Entomology, South Africa J Dabrowski --- Department of Zoology and Entomology, South Africa TA Zengeya --- Department of Zoology and Entomology, South Africa PJ Oberholster --- Council for Scientific and Industrial Research (CSIR), South Africa G Hall --- South Africa Stable Isotope Laboratory, South Africa S Woodborne --- South Africa Stable Isotope Laboratory, South Africa MP Robertson --- Centre for Invasion Biology, Department of Zoology and Entomology, South Africa

The alien invasive silver carp Hypophthalmichthys molitrix established a self-sustaining feral population in an oligotrophic impoundment, Flag Boshielo Dam, in South Africa. The ability of this population to persist in a dam with low algal biomass (median annual suspended chlorophyll...

View item »
First report of cyanobacterial diversity and microcystins in a Microcystis strain from Sidi Boughaba, a Moroccan coastal lagoon

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Douma --- Department of Biology, Laboratory of Biology and Biotechnology of Microorganisms, N Manaut --- Health and Environment Unit, Provincial Direction of the Ministry of National Education, Morocco B Oudra --- Department of Biology, Laboratory of Biology and Biotechnology of Microorganisms, M Loudiki --- Department of Biology, Laboratory of Biology and Biotechnology of Microorganisms,

The cyanobacterial diversity of Sidi Boughaba, a Moroccan coastal lagoon and Ramsar site, was evaluated and its potentially toxic species were isolated and characterised. This study was the first time that cyanobacterial diversity and cyanotoxin production have been characterised in...

View item »
From killer to carer: steroid hormones and paternal behaviour

Item type: Journal Article • Journal: African Zoology • Authors: Ruan de Bruin --- Mammalian Cognition Research Group, Department of Zoology and Entomology, South Africa Andre Ganswindt --- Department of Anatomy and Physiology, Faculty of Veterinary Science, South Africa Aliza le Roux --- Mammalian Cognition Research Group, Department of Zoology and Entomology, South Africa

Mammalian parental investment (i.e. care of descendant offspring) is largely biased towards maternal contributions due to the specific feeding needs of mammalian offspring; however, varying degrees of paternal investment have been reported in about 10% of all mammalian species. Within...

View item »
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 Africa

Rhinoceros 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...

View item »
Otolith shape as a valuable tool to evaluate the stock structure of swordfish Xiphias gladius in the Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Mahé --- Ifremer, Laboratoire Ressources Halieutiques, France H Evano --- Ifremer, Délégation Océan Indien, France T Mille --- Ifremer, Laboratoire Ressources Halieutiques, France D Muths --- Université Européenne de Bretagne, France J Bourjea --- , France

Swordfish Xiphias gladius is an oceanic-pelagic species. Its population structure in the Western Indian Ocean was studied from the shape of the sagittal otoliths of 391 individuals collected from 2009 to 2014. Normalised elliptical Fourier descriptors (EFDs) were extracted automatically...

View item »
Modelling the tides and their impacts on the vertical stratification over the Sofala Bank, Mozambique

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CM Chevane --- Instituto Nacional de Hidrografia e Navegação, Mozambique P Penven --- LMI ICEMASA, Laboratoire de Physique des Océans, France FPJ Nehama --- Escola Superior de Ciências Marinhas e Costeiras, Mozambique CJC Reason --- Department of Oceanography, South Africa

The Sofala Bank, a wide shelf located along the central coast of Mozambique, hosts tides with high amplitudes. The Regional Ocean Modelling System (ROMS) was used to analyse the tidal currents on the bank and to investigate their effects on...

View item »
Varroa mites, viruses and bacteria incidences in Kenyan domesticated honeybee colonies

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Onyango Irene Awino --- Kabete Veterinary Laboratories, Kenya Robert Skilton --- International Centre for Insect Physiology and Ecology, Kenya Shadrack Muya --- Zoology Department, Kenya Samuel Kabochi --- Kabete Veterinary Laboratories, Kenya Hellen Kutima --- Zoology Department, Kenya Muo Kasina --- National Sericulture Research Centre – Kenya Agricultural and Livestock Research Organization, Kenya

Varroa mite (Varroa destructor Anderson and Trueman) is a major global threat to the western honey bee (Apis mellifera L.). The ectoparasite has been implicated in the spread of honeybee viruses. Beekeeping plays a major role in transmission of the...

View item »
Domination spaces and factorization of linear and multilinear summing operators

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dahmane Achour --- Universitáe Mohamed Boudiaf-M’sila, Laboratoire d’Analyse Fonctionnelle et Géeoméetrie des Espaces, Algeria Elhadj Dahia --- Universitáe Mohamed Boudiaf-M’sila, Laboratoire d’Analyse Fonctionnelle et Géeoméetrie des Espaces, Algeria Pilar Rueda --- Departamento de Ańalisis Matemáatico Universidad de Valencia, Spain Enrique A. Sánchez-Pérez --- Instituto Universitario de Matemáatica Pura y Aplicada, Universitat Politèecnica de Valèencia, Spain

It is well known that not every summability property for multilinear operators leads to a factorization theorem. In this paper we undertake a detailed study of factorization schemes for summing linear and nonlinear operators. Our aim is to integrate under...

View item »
Development of the springbok skin — colour pattern, hair slope and horn rudiments in Antidorcas marsupialis

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: G.H. Findlay --- Department of Dermatology, Republic of South Africa

In the foetal springbok skin, identifiable melanocytes are present before colour patterns are established. These pigment cells fail to appear in the pouch and belly areas, indicating that these zones are piebald and not albinotic. Areas of regional colour differences...

View item »
First African record of Leucocytozoon Tawaki (Apicomplexa: Leucocytozoidae) from the Jackass Penguin Spheniscus Demersus

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: R.A. Earlé --- Department of Parasitology, Faculty of Veterinary Science, Republic of South Africa G.F. Bennett --- International Reference Centre for Avian Haematozoa, Department of Biology, Canada J.J. Brossy --- Department of Anatomy and Cell Biology, Medical School, Republic of South Africa

The occurrence of Leucocytozoon tawaki is recorded from blood smears of the jackass penguin Spheniscus demersus taken along the South African coast. Illese records represent both the first African specimens of this parasite as well as the first records since...

View item »
Book Reviews

Item type: Journal Article • Journal: South African Journal of Zoology • Authors: Judith Masters --- Population Genetics Laboratory, Museum of Comparative Zoology, U.S.A S.G. Compton --- Department of Zoology and Entomology, Adrian Craig --- Department of Zoology and Entomology, C.C. Appleton --- Department of Zoology and Entomology, Ric Bernard --- Department of Zoology and Entomology,

View item »
Improved usefulness of continental soil databases for agricultural management through local adaptation

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Mats Söderström --- International Center for Tropical Agriculture (CIAT), Kenya Kristin Piikki --- International Center for Tropical Agriculture (CIAT), Kenya Jeremy Cordingley --- Crop Nutrition Laboratory Services Ltd, Kenya

The usefulness of a continental digital soil map (AfSoilGrids250) was investigated at two levels relevant for agricultural fertiliser recommendations in Rwanda (point locations and administrative sector unit averages). Analysis of 900 soil samples for pH and soil organic carbon (SOC)...

View item »
Knowledge, attitude and practices of South African healthcare professionals towards complementary and alternative medicine use for atopic eczema – a descriptive survey

Item type: Journal Article • Journal: South African Family Practice • Authors: Yasmeen Thandar --- Department of Basic Medical Sciences, Faculty of Heath Sciences, South Africa Julia Botha --- Discipline of Pharmaceutical Sciences, Division of Pharmacology, South Africa Benn Sartorius --- Department of Public Health, School of Nursing and Public Health, South Africa Anisa Mosam --- Department of Dermatology, South Africa

Background: Complementary and alternative medicines (CAM) are used widely for treating atopic eczema (AE), commonly in conjunction with conventional medicines prescribed by mainstream healthcare professionals (HCPs). This cross-sectional survey evaluated the knowledge, general attitudes and practices regarding CAM among dermatologists,...

View item »
Prevalence of HIV and malaria: a cross-sectional study on Bioko Island, Equatorial Guinea

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Xiangbin Zheng --- Central Laboratory, People’s Republic of China Min Lin --- Central Laboratory, People’s Republic of China Dong-De Xie --- Laboratory Medical Center, People’s Republic of China Jian Li --- Department of Parasitology, People’s Republic of China Jiang-Tao Chen --- The Chinese medical aid team to the Republic of Equatorial Guinea, People’s Republic of China Urbano Monsuy Eyi --- Central Blood Transfusion Service, Republic of Equatorial Guinea Santiago-m Monte-Nguba --- Medical Laboratory, Republic of Equatorial Guinea Juan Carlos Sala Ehapo --- Medical Laboratory, Republic of Equatorial Guinea Hui Yang --- Central Laboratory, People’s Republic of China Hui-Tian Yang --- Central Laboratory, People’s Republic of China Li-Ye Yang --- Central Laboratory, People’s Republic of China

Malaria and HIV are two of the most severe public health problems in Africa. However, epidemiological data on Bioko Island is scarce. To investigate the prevalence of malaria and HIV infections and assess association of malaria and HIV infections and...

View item »
Genetic diversity within two Tunisian wild jirds: Meriones shawi and Meriones libycus (Rodentia, Gerbillinae)

Item type: Journal Article • Journal: African Zoology • Authors: Hanene Khemiri --- Laboratory of Animal Ecology, Department of Biology, Sciences Faculty of Tunis, Tunisia João Pimenta --- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal António Amorim --- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal Pascale Chevret --- Laboratoire de Biométrie et Biologie Evolutive – UMR CNRS 5558, France Saïd Nouira --- Laboratory of Animal Ecology, Department of Biology, Sciences Faculty of Tunis, Tunisia Alexandra M Lopes --- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal

Three Meriones species inhabit Tunisia, namely M. shawi, M. libycus and M. crassus, but little genetic data exist on these gerbils. We collected Meriones from eight localities in Tunisia, and obtained mitochondrial (cytochrome b) and nuclear (IRBP) gene sequence data...

View item »
When do yearling male Black-bellied Sandgrouse Pterocles orientalis reach sexual maturation?

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mohamed Aourir --- Department of Biology, Faculty of Sciences, Morocco Mohammed Znari --- Laboratory ‘Biodiversité et Dynamique des Ecosystèmes’, Department of Biology, Faculty of Sciences, Morocco Mohamed Radi --- Laboratory ‘Biodiversité et Dynamique des Ecosystèmes’, Department of Biology, Faculty of Sciences, Morocco

In the present study, a histological and morphometric investigation of testes in yearling male Black-bellied Sandgrouse Pterocles orientalis was performed during the reproductive period. The trial was conducted on four randomly selected yearling male birds that originated from eggs collected...

View item »
Delivery of isoniazid preventive therapy to reduce occupational TB among healthcare workers in Swaziland

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Marianne Calnan --- University Research Co., LLC, Swaziland Samson Haumba --- University Research Co., LLC, Swaziland Makhosazana Matsebula --- University Research Co., LLC, Swaziland Ntombifuthi Shongwe --- University Research Co., LLC, Swaziland Munyaradzi Pasipamire --- Swaziland National AIDS Program, Swaziland Natalie Kruse Levy --- USAID/PEPFAR, Swaziland Munamato Mirira --- USAID/PEPFAR, Swaziland Peter Preko --- CDC, Swaziland Alisha Smith-Arthur --- University Research Co., LLC, USA Varduhi Ghazaryan --- University Research Co., LLC, USA

Healthcare workers (HCWs) in Swaziland are at increased risk of acquiring tuberculosis (TB), but existing infection control and occupational health policies often fall short of mitigating the risk of acquiring TB in the workplace. Health service failure to systematically offer...

View item »
A review of microbial hazards associated with meat processing in butcheries

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: L. B. Shilenge --- Faculty of Science, Department of Environmental Health, South Africa K. Shale --- Faculty of Science, Department of Environmental Health, South Africa T. Matodzi --- Faculty of Science, Department of Environmental Health, South Africa F. Machete --- Department of Natural Resources and the Environment, South Africa C. Tshelane --- Faculty of Science, Department of Environmental Health, South Africa

Meat is highly nutritional and rich in proteins, which makes it a good substrate for possible microbial growth. As a result, in its raw state, meat is easily susceptible to colonization by microorganisms. This study describes the possible sources of...

View item »
Stability and enhancement analysis of a modelled self-balancing verticalized mobility aid using optimal control techniques

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Roger van Rensburg --- Department of Electrical Engineering, South-Africa Nico Steyn --- Department of Electrical Engineering, South-Africa Lambert Trénoras --- Laboratoire d’Ingénierie des Systèmes de Versailles, France Yskandar Hamam --- Department of Electrical Engineering, South-Africa Eric Monacelli --- Laboratoire d’Ingénierie des Systèmes de Versailles, France

This research comprises an analytical study of the Gyrolift, a new type of robotic wheelchair mobility aid adapted from the Segway self-balancing human transporter, and suggests additional contributions to its development. The Gyrolift is equipped with an agility module that...

View item »
The relative importance of climatic gradient versus human disturbance in determining population structure of Afzelia africana in the Republic of Benin

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Achille E Assogbadjo --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Republic of Benin Sylvanus Mensah --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Romain Glèlè Kakaï --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin

The study aimed to investigate the relative significance of effects of climatic variability and human disturbance on the population structure of the threatened species Afzelia africana Sm. ex Pers. in the Republic of Benin in West Africa. Forest inventory data...

View item »
Evaluation of the sustainability of participatory management of forest plantations: the case study of Wari-Maro Forest Reserve, Republic of Benin

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Kisito Gandji --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Valère K Salako --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Achille E Assogbadjo --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Vincent OA Orekan --- Laboratory of Biogeography and Environmental Expertise, Faculty of Letters, Arts and Human Sciences, Republic of Benin Romain L Glèlè Kakaï --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Brice A Sinsin --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Republic of Benin

This study assessed ecological and socio-economic impacts of a participatory forest management project in the Republic of Benin. The study focused on the Wari-Maro Forest Reserve and the ‘Projet d’Aménagement des Massifs Forestiers’ five years after its completion. A forest...

View item »
Reproductive traits of the freshwater oyster Etheria elliptica (Bivalvia: Etheriidae) in the Pendjari River, Benin: implications for conservation

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GD Akélé --- Laboratoire d’Hydrobiologie et d’Aquaculture, Faculté des Sciences Agronomiques, Bénin E Montchowui --- Laboratoire d’Hydrobiologie et d’Aquaculture, Faculté des Sciences Agronomiques, Bénin PA Lalèyè --- Laboratoire d’Hydrobiologie et d’Aquaculture, Faculté des Sciences Agronomiques, Bénin

The African freshwater oyster Etheria elliptica, which is of great economic importance throughout the continent, is facing overharvesting in many fisheries in West Africa. Its reproductive traits (sex ratio, size at sexual maturity, oocyte diameter and fecundity) were studied at...

View item »
Temporal dynamics and relationship between climate, limnological variables and zooplankton composition in climate-sensitive Lake Bosumtwi, Ghana

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PO Sanful --- Department of Fisheries and Water Resources, School of Natural Resources, Ghana S Aikins --- Department of Theoretical and Applied Biology, Ghana E Frempong --- Department of Theoretical and Applied Biology, Ghana RI Hall --- Department of Biology, Canada RE Hecky --- Biology Department and Large Lakes Observatory, USA

The community composition and the factors affecting seasonal and interannual dynamics of zooplankton in Lake Bosumtwi were studied biweekly at a central index station during 2005 and 2006. The lake zooplankton community was species poor. Mesocyclops bosumtwii was numerically superior...

View item »
SASCM guideline for daptomycin use in South Africa – 2017 update

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Warren Lowman --- Vermaak and Partners Pathologists, South Africa Jennifer Coetzee --- Ampath, National Reference Laboratory, Microbiology, South Africa Olga Perovic --- National Institute for Communicable Diseases, Centre for Tropical, Opportunistic and Hospital Infections, South Africa

Daptomycin is currently registered for use in treatment of complicated skin and skin structure infections (cSSSI) and Staphylococcus aureus bacteraemia. The role of daptomycin in treatment of severe Gram-positive infections needs to be considered outside of these specific and rigid...

View item »
Post-traumatic Stress Disorder among child perpetrators and victims of violence from the Northern Uganda civil war: Findings from the WAYS study

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kennedy Amone-P’Olak --- Department of Psychology, Botswana Sarah Bøgelund Dokkedahl --- National Center for Psychotraumatology, Denmark Ask Elklit --- National Center for Psychotraumatology, Denmark

War experiences are known risk factors for post-traumatic stress disorder (PTSD) and other poor psychosocial outcomes. This study aimed to assess the extent to which perpetrating violence (operationalised as intentional and unintentional killing or mutilation) and being a victim of...

View item »
Community acceptability of minimally invasive autopsy (MIA) in children under five years of age in Soweto, South Africa

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nonhlanhla Ngwenya --- Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, South Africa David Coplan --- Department of Anthropology, South Africa Susan Nzenze --- Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, South Africa Nellie Myburgh --- Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, South Africa Shabir Madhi --- Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, South Africa

This interdisciplinary study, using qualitative and ethnographic research methods, collected data from 330 men and women in Soweto, South Africa, in order to understand the community acceptability of minimally invasive autopsy (MIA) in children who died under five years of...

View item »
Factors associated with failed spinal anaesthesia for Caesarean sections in Mthatha general hospital, Eastern Cape, South Africa

Item type: Journal Article • Journal: South African Family Practice • Authors: Adeyinka Abiodun Alabi --- Department of Family Medicine, South Africa Oladele Vincent Adeniyi --- Department of Family Medicine, South Africa Olukayode Ademola Adeleke --- Department of Family Medicine, South Africa Pamela Pillay --- School of Laboratory Medicine & Medical Sciences, Department of Anatomy, South Africa Mohamed Rashid Haffajee --- School of Laboratory Medicine & Medical Sciences, Department of Clinical Anatomy, South Africa

Background: The use of spinal anaesthesia has increased in the last three decades, given that it is the recommended anaesthetic of choice for better foetal and maternal outcomes in Caesarean section. Failed spinal anaesthesia (FSA) exposes patients to unfavourable experience...

View item »
Incidence of unnatural deaths in Transkei sub-region of South Africa (1996–2015)

Item type: Journal Article • Journal: South African Family Practice • Authors: BL Meel --- Department of Laboratory Medicine and Pathology, South Africa

Background: Unnatural deaths are a serious and preventable public health problem in South Africa. Such an event is more than the death of an individual who has died in an unnatural way. It has a negative and long-lasting impact on...

View item »
Unearthing poison use and consequent anecdotal vulture mortalities in Namibia’s commercial farmland – implications for conservation

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Andrea Santangeli --- Helsinki Laboratory of Ornithology, Finnish Museum of Natural History, Finland Volen Arkumarev --- Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Bulgaria Liz Komen --- Namibia Animal Rehabilitation Research and Education Centre, Namibia Peter Bridgeford --- Vultures Namibia, Namibia Holger Kolberg --- Directorate Scientific Services, Ministry of Environment and Tourism, Namibia

Across Africa, the illegal use of poison is triggering a continent-wide scavenger crisis, with vultures suffering the most severe negative consequences. Vultures may die as indirect victims of the conflict between livestock farmers and predators, or they may be directly...

View item »
Operation and maintenance of back-up photovoltaic systems: An analysis based on a field study in Cameroon

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kodji Deli --- Department of Renewable Energy, Higher Institute of the Sahel, Cameroon Etienne Tchoffo Houdji --- Department of Renewable Energy, Higher Institute of the Sahel, Cameroon Noel Djongyang --- Department of Renewable Energy, Higher Institute of the Sahel, Cameroon Donatien Njomo --- Environmental Energy Technologies Laboratory (EETL), Department of Physics, Faculty of Science, Cameroon

This work is an analysis of the data collected from 20 photovoltaic installations all over Cameroon. The objectives are to study the causes of the breakdown of the different installations and propose maintenance strategies to solve them and to evaluate...

View item »
The effect of prior antimicrobial therapy for community acquired infections on the aetiology of early and late onset ventilator-associated pneumonia in a level I trauma intensive care unit

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Yogandree Ramsamy --- Department of Microbiology, South Africa David JJ Muckart --- Department of Surgery, South Africa Khine Swe Swe Han --- Department of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, South Africa Koleka P Mlisana --- Department of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, South Africa

Background: Ventilator-associated pneumonia (VAP) is the most common hospital acquired infection in patients who require mechanical ventilation. Early VAP is associated with community acquired pathogens whereas late VAP involves hospital flora. Based on this premise, a protocol may be formulated...

View item »
Recommendations for the use of meningococcal vaccines in South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Susan Meiring --- Division of Public Health Surveillance and Response, South Africa Gregory Hussey --- Vaccines for Africa Initiative, Institute for Infectious Diseases and Molecular Medicine, South Africa Prakash Jeena --- Department of Paediatrics, South Africa Salim Parker --- General Practitioner, South African Society of Travel Medicine, South Africa Anne von Gottberg --- Centre for Respiratory Diseases and Meningitis, South Africa

Background: Although meningococcal disease (MD) incidence in South Africa is low, Neisseria meningitidis (NM) causes severe disease that is often life-threatening and can cause long-term disabilities. A quadrivalent protein-conjugated meningococcal vaccine (MCV4) is available, and provides protection against 75% of...

View item »
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 Africa

The 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...

View item »
Poor control and management of type 2 diabetes mellitus at an under-resourced South African Hospital: is it a case of clinical inertia?

Item type: Journal Article • Journal: South African Family Practice • Authors: Romona Devi Govender --- Department of Family Medicine, South Africa Prem Gathiram --- Department of Family Medicine, South Africa Miljenko Panajatovic --- Department of Family Medicine, South Africa

Evidence shows that even with the implementation of evidence-based medicine, the attainment of optimal glycaemic control is difficult and challenging for both patients and healthcare providers. This study was a one-year retrospective chart review with data collected during the period...

View item »
Relationship between somatic growth and otolith growth: a case study of the ornate jobfish Pristipomoides argyrogrammicus from the coast of Réunion (SW Indian Ocean)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Mahé --- Ifremer, Fisheries Laboratory, Sclerochronology Centre, France Y Aumond --- Ifremer, Le Port, France K Rabhi --- Ifremer, Fisheries Laboratory, Sclerochronology Centre, France R Elleboode --- Ifremer, Fisheries Laboratory, Sclerochronology Centre, France E Bellamy --- Ifremer, Laboratoire Environnement Ressources Languedoc Roussillon, France J Huet --- Ifremer, Le Port, France M Gault --- FRS Marine Laboratory, Scotland D Roos --- Ifremer, Le Port, France

The ornate jobfish Pristipomoides argyrogrammicus Valenciennes 1832 occurs in the Indo-West Pacific Ocean, where it is harvested by small-scale coastal fisheries. Management of this species is hindered by lack of adequate biological data. We sampled a total of 113 individuals...

View item »
Attention-training with children from socioeconomically disadvantaged backgrounds in Cape Town

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Leigh E Schrieff-Elson --- ACSENT Laboratory, Department of Psychology, South Africa Ju-Reyn H Ockhuizen --- ACSENT Laboratory, Department of Psychology, South Africa Genevieve During --- ACSENT Laboratory, Department of Psychology, South Africa Kevin G. F. Thomas --- ACSENT Laboratory, Department of Psychology, South Africa

Objective: Attention is a core process underlying competence in higher-order cognitive abilities. Previous research suggests that healthy children from low socioeconomic status (SES) backgrounds perform poorly, relative to those from higher SES backgrounds, on tasks assessing attentional abilities. In this...

View item »
Human immunodeficiency virus-related Epstein-Barr virus-associated smooth muscle tumours: South African experience from Chris Hani Baragwanath Academic Hospital

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Sugeshnee Pather --- Division of Anatomical Pathology, National Health Laboratory Service, South Africa Rosalind D. Wainwright --- Haematology and Oncology Unit, Department of Paediatrics, South Africa Faieza Sahid --- Division of Infectious Diseases, Department of Internal Medicine, South Africa Thembi Mashele --- Division of Anatomical Pathology, National Health Laboratory Service, South Africa Eunice J. van den Berg --- Division of Anatomical Pathology, National Health Laboratory Service, South Africa Reena D. Mohanlal --- Division of Anatomical Pathology, National Health Laboratory Service, South Africa

Background: Despite the rampant human immunodeficiency (HIV) epidemic in Africa, there is a paucity of published data of HIV-related Epstein-Barr virus-associated smooth muscle tumours (EBV-SMT) from Africa.

View item »
Horizontal transfer of OXA-23-carbapenemase-producing Acinetobacter species in intensive care units at an academic complex hospital, Durban, KwaZulu-Natal, South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Khine Swe Swe-Han --- Department of Medical Microbiology, South Africa Melendhran Pillay --- Department of Medical Microbiology, South Africa Desmond Schnugh --- Infection Control Services Laboratory, Department of Clinical Microbiology and Infectious Diseases, South Africa Koleka P Mlisana --- Department of Medical Microbiology, South Africa Kamaldeen Baba --- Department of Medical Microbiology, National Health Laboratory Service, South Africa Manormoney Pillay --- Medical Microbiology and Infection Control, School of Laboratory Medicine & Medical Science, South Africa

Introduction: Carbapenemase production is an important mechanism of carbapenem resistance in Acinetobacter species. This study investigated the presence of the carbapenem-hydrolysing class D β–lactamase- encoding genes, blaOXA-23 and blaOXA-58, and their association with the spread of multidrug-resistant (MDR) Acinetobacter species...

View item »
Crimean-Congo haemorrhagic fever presenting with undiagnosed chronic myeloid leukaemia

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Marius J Coetzee --- Department of Haematology and Cell Biology, South Africa Lucille H Blumberg --- Centre for Emerging and Zoonotic Diseases, National Institute for Communicable Diseases of the National Health Laboratory Service, South Africa Janusz T Paweska --- Special Pathogens Unit, South Africa Pat Leman --- Special Pathogens Unit, South Africa Robert Swanepoel --- Special Pathogens Unit, South Africa André de Kock --- Department of Haematology and Cell Biology, South Africa

A patient with Crimean-Congo haemorrhagic fever (CCHF) presented with a high white cell count and splenomegaly. Underlying chronic myeloid leukaemia was diagnosed. The management of this complex case was difficult, and the patient demised. This case illustrates that in patients...

View item »
Technological appropriability and export performance of Brazilian firms

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Graziela Ferrero Zucoloto --- Institute of Applied Economic Research, Brazil Julio Raffo --- Division Sectorial Studies, World Intellectual Property Organization, Economics and Statistics Division, Switzerland Sergio Leão --- Phd in Economics at Pontificia Universidade Catolica (PUC), Brazil

This paper aims to evaluate the strategies of Brazilian manufacturing firms in their use of intellectual property (IP) and its impact on their export performance. Although the correlation between exports and innovative activities is already consolidated in the existing literature,...

View item »
Estimating Cape hare occupancy and abundance in southern Tunisia using spotlighting data

Item type: Journal Article • Journal: African Zoology • Authors: Chammem Mohsen --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Karssene Yamna --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Jarray Mohsen --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Khorchani Touhami --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia

This study outlines the importance of integrating spotlighting data and occupancy modelling to estimate the spatial occupancy, abundance and habitat preferences of Cape hares Lepus capensis in southern Tunisia. Exploring the spatial distribution pattern of this species is problematic because...

View item »
Activity of some Nile River aquatic macrophyte extracts against the cyanobacterium Microcystis aeruginosa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MM El-Sheekh --- Botany Department, Faculty of Science, Egypt AM Haroon --- Hydrobiology Laboratory, Egypt S Sabae --- Hydrobiology Laboratory, Egypt

The anti-algal activity of five macrophyte extracts on the cyanobacterium Microcystis aeruginosa in Egypt was investigated in 2013. Extract activity varied according to plant type, extracting solvent and its concentration. The highest inhibitory activity was achieved with ethanol extract at...

View item »
Phytoplankton primary productivity seasonality and changes in a small African lake, Lake Hora-Kilole, Ethiopia

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Abate --- Aquatic Sciences, Fisheries and Aquaculture Stream, Department of Zoological Sciences, China D Kifle --- Aquatic Sciences, Fisheries and Aquaculture Stream, Department of Zoological Sciences, Ethiopia YH Gao --- School of Life Sciences and State Key Laboratory of Marine Environmental Science, China

The seasonality of primary productivity by phytoplankton in relation to physico-chemical and biological variables was studied in Lake Hora-Kilole from August 2007 to May 2008. In 1989, the Mojo River was temporarily diverted to flow into the lake, which substantially...

View item »
Distribution and breeding ecology of the Ferruginous Duck Aythya nyroca in Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Assia Djelailia --- Laboratoire de Conservation des Zones Humides, Algeria Nasser Baaziz --- Department of Animal Biology, Algeria Farrah Samraoui --- Laboratoire de Conservation des Zones Humides, Algeria Ahmed H Alfarhan --- Department of Botany and Microbiology, Saudi Arabia Boudjéma Samraoui --- Laboratoire de Conservation des Zones Humides, Algeria

We conducted a survey of the distribution of Ferruginous Duck Aythya nyroca across Algeria and analysed the influence of nest-site characteristics on nesting success at a Ramsar site, Lake Tonga. The species was found to occupy different wetlands (freshwater lakes,...

View item »
Use of otolith-shape analysis for stock discrimination of Boops boops along the Algerian coast (southwestern Mediterranean Sea)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Ider --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Z Ramdane --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria K Mahé --- Laboratoire Ressources Halieutiques de Boulogne, France JL Duffour --- Laboratoire Ressources Halieutiques de Boulogne, France M Bacha --- Laboratoire d’Océanologie et de Géosciences – Centre National de la Recherche Scientifique (CNRS), France R Amara --- Laboratoire d’Océanologie et de Géosciences – Centre National de la Recherche Scientifique (CNRS), France

Otolith-shape analysis was examined to determine its utility for biological stock identification of the bogue Boops boops along the Algerian coast of the Mediterranean Sea. The outlines of 179 sagittal otolith pairs from fish collected at three locations (Oran, Bejaia...

View item »
p16 and Ki-67 immunohistochemical staining reduces inter- and intra-observer variability in the grading of cervical squamous intraepithelial lesions of South African women

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Christa Solomon --- National Health Laboratory Services (Tshwane Academic Division), Department of Anatomical Pathology, South Africa Melanie Louw --- National Health Laboratory Services (Tshwane Academic Division), Department of Anatomical Pathology, South Africa Mc van Aardt --- Department of Obstetrics and Gynaecology, South Africa Greta Dreyer --- Department of Obstetrics and Gynaecology, South Africa

Background: Cervical carcinoma was the second leading malignancy in South African women (following breast carcinoma) in 2010. This study aimed to correlate histopathological criteria and immunohistochemical stains in terms of the grading of cervical intraepithelial precursor lesions and evaluate intra-...

View item »
Endometrial cancer with bone marrow metastases: a management dilemma

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Bt Guzha --- Division of Gynaecology Oncology, Department of Obstetrics and Gynaecology, South Africa T Adams --- Division of Gynaecology Oncology, Department of Obstetrics and Gynaecology, South Africa L Rogers --- Division of Gynaecology Oncology, Department of Obstetrics and Gynaecology, South Africa N Mbatani --- Division of Gynaecology Oncology, Department of Obstetrics and Gynaecology, South Africa H-t Wu --- South African Medical Research Council (SAMRC)/University of Cape Town (UCT) Gynaecological Cancer Research Centre, South Africa N Fakie --- South African Medical Research Council (SAMRC)/University of Cape Town (UCT) Gynaecological Cancer Research Centre, South Africa J Opie --- Division of Haematology Pathology, South Africa La Denny --- Division of Gynaecology Oncology, Department of Obstetrics and Gynaecology, South Africa

A case is presented of a 67-year-old woman referred to the authors’ institution with endometrioid endometrial cancer with a leucoerythroblastic blood film and marked thrombocytopenia. On further evaluation, it was confirmed that she had grade 3 endometrial cancer with bone...

View item »
Appraisal of geothermal resources and use in Cameroon

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Janvier Domra Kana --- Department of Petroleum and Gas Exploration, Cameroon Noël Djongyang --- Department of Renewable Energy, Cameroon Danwé Raïdandi --- Department of Materials Processing, Architecture and Habitat, Cameroon Brandan Tito Ramadhan --- Geophysics Laboratory, Department of Physics, Faculty of Science and Mathematics, Indonesia

This paper deals with resources and opportunities of direct and indirect use of geothermal energy in Cameroon. Currently, no serious exploration and utilization of this resource exists. The primary form of utilization of geothermal energy is mainly condensation steam for...

View item »
Influence of electro-polishing characteristics on needle-tissue interaction forces

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mubita Kapui --- Advanced Manufacturing Laboratory, Department of Mechanical Engineering, South Africa Ramesh Kuppuswamy --- Advanced Manufacturing Laboratory, Department of Mechanical Engineering, South Africa

The electro-polishing process was applied to stainless steel 304 with the aim of improving its surface texture. The electrolyte was a mixture of H2O, H2SO4 (98%) and H3PO4 (85%) at a volume ratio of 2:3:5. Gravimetric analysis and stylus profilometry...

View item »
Gleaning the social contract theory from African communitarian philosophy

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Munamato Chemhuru --- Department of Philosophy, South Africa

The social contract is one of the most influential political theories in Western philosophy. Although the social contract theory is mainly associated with a number of thinkers in the broad history of social and political philosophy, I am particularly focused...

View item »
Prevalence and awareness of diabetes in Guinea: findings from a WHO STEPS

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Naby M. Balde --- Department of Endocrinology, Guinea Alioune Camara --- Department of Public Health, Faculty of Medicine, Guinea Alpha A Diallo --- National Program for the Prevention and Control of Non-Communicable Diseases, Ministry of Public Health, Guinea Amadou Kake --- Department of Endocrinology, Guinea Alpha M Diallo --- Department of Endocrinology, Guinea Mandiou Diakite --- Central Laboratory, Guinea Cherif Bah --- National Directorate of Statistics, Guinea Moussa Kone --- World Health Organization, Guinea

Aims: The aim of the present study was to determine the prevalence of diabetes, and to assess its awareness and related risk factors among adult Guineans.

View item »
Investigating the effects of Lactobacillus casei on some biochemical parameters in diabetic mice

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Feizollah Asgharzadeh --- Faculty of Medicine, Department of Clinical Biochemistry and Laboratory Sciences, Iran Asghar Tanomand --- Department of Microbiology, Iran Mohammad Reza Ashoori --- Faculty of Medicine, Department of Clinical Biochemistry and Laboratory Sciences, Iran Ali Asgharzadeh --- Tehran Institute of Psychiatry, Iran Nosratollah Zarghami --- Faculty of Medicine, Department of Clinical Biochemistry and Laboratory Sciences, Iran

Aims: Diabetes mellitus is a metabolic disorder characterised by inadequate pancreatic insulin secretion or the insulin present being unable to perform its function properly. Consistent with the beneficial effects of probiotics and their ability to lower glucose levels, an impact...

View item »
Outcomes 30 days after ICU admission: the 30DOS study

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Robert Wise --- Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Kim de Vasconcellos --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa David Skinner --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Reitze Rodseth --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Dean Gopalan --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa David Muckart --- Discipline of Surgery, South Africa Zohra Banoo --- KwaZulu-Natal Department of Health District, South Africa Tashmin Bisseru --- Paediatrics, South Africa Steve Blakemore --- Aneasthesiology, South Africa Jenine de Meyer --- Inkosi Albert Luthuli Central Hospital, National Health Laboratory Services, South Africa Michael Faurie --- Discipline of Surgery, South Africa Kom Govender --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Timothy Hardcastle --- Clinical Unit, South Africa Prakash Jeena --- Paediatric Intensive Care Unit, South Africa Nicky Kalafatis --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Kroshlan Kistan --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Theroshnie Kisten --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Carolyn Lee --- Head Clinical Department: Internal Medicine, South Africa Colin Mitchell --- Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Magesvaran Moodley --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Mary Morgan --- Discipline of Paediatrics, South Africa Arisha Ramkilliwana --- Pietermaritzburg Metropolitan Department of Anaesthetics, South Africa Rajesh Ramjee --- Anaesthesiology, South Africa Darshan Reddy --- Department of Cardiothoracic Surgery, South Africa Afke Robroch --- Wilhemina’s Childrens Hospital, UMC, The Netherlands Shivani Singh --- Discipline of Paediatrics, South Africa Richard von Rahden --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South Africa Bruce Biccard --- Department of Anaesthesia and Perioperative Medicine, South Africa

Background: The spectrum of illness and long-term outcome of critically ill patients admitted to intensive care units (ICUs) in South Africa remains largely unknown.

View item »
Invasive and non-invasive group A β-haemolytic streptococcal infections in patients attending public sector facilities in South Africa: 2003–2015

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Dylan Barth --- Department of Medicine, South Africa Bongani M Mayosi --- Department of Medicine, South Africa Motasim Badri --- College of Medicine, Kingdom of Saudi Arabia Andrew Whitelaw --- Department of Microbiology, National Health Laboratory Service, South Africa Mark E Engel --- Department of Medicine, South Africa

Background: The burden of disease caused by group A streptococcus (GAS) in Africa is largely unknown. The aim of this study was to determine the incidence of invasive (iGAS) and non-invasive GAS (non-iGAS) infections in patients attending the public health...

View item »
Case studies as pedagogy for reading development within a vocational education context

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Desiree Scholtz --- Teaching and Learning Co-ordinator, Faculty of Business and Management Sciences, South Africa

Case studies often do not receive due recognition as a work-integrated learning (WIL) modality for reading development. This article focuses on the case study as a reading strategy to draw on world of work experience as a means of acculturation...

View item »
Benthic freshwater nematode community dynamics under conditions of Tilapia aquaculture in Egypt

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AEA Abada --- Zoology Department, Egypt NF Ghanim --- Zoology Department, Egypt AH Sherif --- Department of Fish diseases, Kafrelsheikh Provincial Laboratory, Egypt NA Salama --- Zoology Department, Egypt

Studies of the influence of fish aquaculture on benthic freshwater nematode assemblages are scarce, but could provide a way of gauging environmental effects. The abundance and diversity of nematode assemblages in response to Oreochromis niloticus aquaculture were investigated in Kafr...

View item »
Musics of the Free State: Reflections on a Musical Past, Present, and Future

Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Erin Johnson-Williams --- Trinity Laban Conservatoire of Music and Dance,

View item »
Habitat characteristics of wintering Wood Warbler Phylloscopus sibilatrix in the Centre Region of Cameroon: conservation implications

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Taku Awa --- Laboratory of Applied Biology and Ecology, Faculty of Science, Cameroon Tsi A Evaristus --- Department of Fundamental Science, Higher Technical Teacher Training College, Cameroon Robin C Whytock --- School of Biological and Environmental Sciences, UK Tsetagho Guilain --- Laboratory of Applied Biology and Ecology, Faculty of Science, Cameroon John Mallord --- Centre for Conservation Science, Royal Society for the Protection of Birds, UK

Populations of many Afro-Palearctic birds have declined, with those wintering in sub-Saharan Africa, such as Wood Warbler Phylloscopus sibilatrix, particularly affected. In this study we investigated the relationship between habitat characteristics and Wood Warbler presence/absence in the Centre Region of...

View item »
Assessment of potential sources of protozoan contamination between two avian feeding guilds in a conservation area

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adams A Chaskda --- AP Leventis Ornithological Research Institute, Department of Zoology, Nigeria Georgina S Mwansat --- Entomology and Parasitology Unit, Department of Zoology, Nigeria Danjuma Sani --- Entomology and Parasitology Unit, Department of Zoology, Nigeria Longtong Turshak --- Department of Science Laboratory Technology, Nigeria

Occasional screening of food and water quality available to organisms in protected areas could be beneficial to their successful conservation. This is important for areas receiving regular human visitors and exhibiting activities that may be detrimental to ecosystem health. This...

View item »
Wood anatomical and chemical properties related to the pulpability of Eucalyptus globulus: a review

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Isabel Carrillo --- Laboratorio de Recursos Renovables, Centro de Biotecnología, Chile Claudia Vidal --- Laboratorio de Recursos Renovables, Centro de Biotecnología, Chile Juan P Elissetche --- Laboratorio de Recursos Renovables, Centro de Biotecnología, Chile Regis T Mendonça --- Laboratorio de Recursos Renovables, Centro de Biotecnología, Chile

Eucalyptus globulus is one of the most important hardwood species used by the pulp and paper industry due to its high pulp yield, high wood density, excellent fibre quality and good handsheet properties. However, the wood is a highly variable...

View item »
Molecular characterisation of multidrug-resistant Pseudomonas aeruginosa from a private hospital in Durban, South Africa

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Cosmos B. Adjei --- Antimicrobial Research Unit, South Africa Usha Govinden --- Antimicrobial Research Unit, South Africa Krishnee Moodley --- Lancet Laboratories, South Africa Sabiha Y. Essack --- Antimicrobial Research Unit, South Africa

Background: Multi-drug resistant Pseudomonas aeruginosa pose a clinical challenge globally. This study delineated the molecular mechanisms of resistance to β-lactam antibiotics in multidrug-resistant P. aeruginosa isolated from a single private hospital in Durban, South Africa and ascertained clonality with regard...

View item »
On the distribution function with respect to conditional expectation on Riesz spaces

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Youssef Azouzi --- Research Laboratory of Algebra, Topology, Arithmetic, and Order, Department of Mathematics, Faculty of Mathematical, Physical and Natural Sciences of Tunis, Tunisia Kawtar Ramdane --- Research Laboratory of Algebra, Topology, Arithmetic, and Order, Department of Mathematics, Faculty of Mathematical, Physical and Natural Sciences of Tunis, Tunisia

The notion of distribution function with respect to a conditional expectation is defined and studied in the framework of Riesz spaces.

View item »
Spatio-seasonal dynamics of bacteria and metal composition of a platinum mine tailings dam, Rustenburg, South Africa

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Molemi E Rauwane --- Agricultural Research Council–Biotechnology Platform, South Africa Laurette M Marais --- Department of Biotechnology, Faculty of Applied and Computer Sciences, Vanderbijlpark Campus, South Africa Oluwatosin G Oladipo --- Unit for Environmental Sciences and Management, South Africa Cornelius C Bezuidenhout --- Unit for Environmental Sciences and Management, South Africa Mark S Maboeta --- Unit for Environmental Sciences and Management, South Africa

Seasonal variations and proximity to polluted sites, among other factors, play a vital role in soil composition. The impact of spatio-seasonal changes on bacterial and heavy metal content on and around the platinum mine tailings dam, Rustenburg, South Africa, was...

View item »
Assessment of noise-levels of generator-sets in seven cities of South-Southern Nigeria

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Osagie Ibhadode --- Building Research Department, Nigeria I. T. Tenebe --- Department of Civil Engineering, Nigeria P. C. Emenike --- Department of Civil Engineering, Nigeria O. S. Adesina --- Dept. of Mathematical Science, Nigeria A. F. Okougha --- Science Laboratory Technology Research Department, Nigeria F. O. Aitanke --- Department of Production Engineering, Nigeria

Noise pollution has been shown to be a global health hazard and this could be aggravated by the use of noise-emitting generators. Therefore, this study aims to determine the Sound Pressure Levels Sound Power Levels as well as Noisiness of...

View item »
Electronic Medical Record System as a central ICT tool for quality healthcare services: Nigeria as a case study

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwatoyin Seun Ayanlade --- African Institute for Science Policy and Innovation (AISPI), Nigeria

This study uses mixed methods to evaluate the benefits and challenges of implementing the Electronic Medical Record System (EMRS). Using Southwestern Nigeria as a case study, the study focuses on the factors that have been delaying the introduction of EMRS;...

View item »
Optimization of processing conditions for oil reduction of magwinya (a deep-fried cereal dough)

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwatoyin Oladayo Onipe --- Department of Food Science and Technology, School of Agriculture, South Africa Daniso Beswa --- Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, South Africa Victoria Adaora Jideani --- Department of Food Science and Technology, Faculty of Applied Sciences, South Africa Afam Israel Obiefuna Jideani --- Department of Food Science and Technology, School of Agriculture, South Africa

Obesity – a known risk factor for some metabolic diseases – is still of global concern deeply rooted in unhealthy diet and lifestyle choices. Magwinya, a wheat-based deep-fried snack, absorbs up to 14% of oil. Wheat bran (WB), can serve...

View item »
Multiple disturbance patterns and population structure of a tropical tree species, Afzelia africana (Leguminosae–Caesalpinioideae), in two contrasting bioclimatic zones of the Republic of Benin

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ogoudje I Amahowe --- Laboratoire d’Ecologie, de Botanique et de Biologie végétale, Faculté d’Agronomie, République du Bénin Samadori SH Biaou --- Laboratoire d’Ecologie, de Botanique et de Biologie végétale, Faculté d’Agronomie, République du Bénin Armand K Natta --- Laboratoire d’Ecologie, de Botanique et de Biologie végétale, Faculté d’Agronomie, République du Bénin Rodrigue O Balagueman --- Laboratoire d’Ecologie, de Botanique et de Biologie végétale, Faculté d’Agronomie, République du Bénin

Understanding how multiple disturbances affect species population structure is crucial for designing a better conservation strategy of threatened species. In this paper, we assessed the disturbance patterns and evaluated their effects on the population structure of Afzelia africana, in two...

View item »
Allometric models to estimate foliage biomass of Tamarindus indica in Burkina Faso

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Loyapin Bondé --- Laboratory of Plant Biology and Ecology, Burkina Faso Moussa Ganamé --- Laboratory of Plant Biology and Ecology, Burkina Faso Oumarou Ouédraogo --- Laboratory of Plant Biology and Ecology, Burkina Faso Blandine MI Nacoulma --- Laboratory of Plant Biology and Ecology, Burkina Faso Adjima Thiombiano --- Laboratory of Plant Biology and Ecology, Burkina Faso Joseph I Boussim --- Laboratory of Plant Biology and Ecology, Burkina Faso

Tamarindus indica L. is a multi-purpose tropical species. In West Africa the local people use its leaves daily as a source of food, medicine and income. To prevent the over-exploitation of this species for its use for non-timber forest products,...

View item »
The tensor product of f-algebras

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Youssef Azouzi --- Research Laboratory of Algebra, Topology, Arithmetic, and Order, Tunisia Mohamed Amine Ben Amor --- Research Laboratory of Algebra, Topology, Arithmetic, and Order, Tunisia Jamel Jaber --- Research Laboratory of Algebra, Topology, Arithmetic, and Order, Tunisia

In this paper we prove that the Fremlin tensor product of two f-algebras can be endowed with an f-algebra structure and satisfies an appropriate universal property. In particular, the Riesz tensor product of C(X) and C(Y), where X and Y...

View item »
Conflicts in Conservation: Navigating Towards Solutions

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lerato Thakholi --- Sociology of Development and Change, Department of Sociology and Anthropology of Development, The Netherlands

View item »
Nesting biology and food habits of the endangered Sakalava Rail Amaurornis olivieri in the Mandrozo Protected Area, western Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Yverlin Z Pruvot --- The Peregrine Fund Madagascar Project, Madagascar Lily-Arison René de Roland --- The Peregrine Fund Madagascar Project, Madagascar Gilbert Razafimanjato --- The Peregrine Fund Madagascar Project, Madagascar Marius PH Rakotondratsima --- The Peregrine Fund Madagascar Project, Madagascar Aristide Andrianarimisa --- Department of Zoology and Biodiversity, Faculty of Science, Madagascar Russell Thorstrom --- The Peregrine Fund, USA

We studied the nesting biology and food habits of the endangered and endemic Sakalava Rail Amaurornis olivieri from July to November 2015 in the Mandrozo Protected Area, western Madagascar. Three nesting pairs were observed and their nests were constructed in...

View item »
Madagascar Fish Eagle productivity in the Tsimembo-Manambolomaty Protected Area and surrounding habitat of western Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gilbert Razafimanjato --- The Peregrine Fund Madagascar Project, Madagascar Lily-Arison René de Roland --- The Peregrine Fund Madagascar Project, Madagascar Marius Rakotondratsima --- The Peregrine Fund Madagascar Project, Madagascar Stephanie Razakaratrimo --- The Peregrine Fund Madagascar Project, Madagascar Yverlin ZM Pruvot --- The Peregrine Fund Madagascar Project, Madagascar Tsiresy M Razafimanantsoa --- Mention: Zoologie et Biodiversité Animale, Facultés des Sciences, Madagascar Aristide Andrianarimisa --- The Peregrine Fund Madagascar Project, Madagascar Russell Thorstrom --- The Peregrine Fund, USA

We monitored the productivity of the critically endangered Madagascar Fish Eagle Haliaeetus vociferoides inside and outside of the Tsimembo-Manambolomaty Protected Area (T-M PA), western Madagascar from 2010 to 2015. We recorded 14 breeding pairs inside and 13 outside T-M PA...

View item »
Habitat utilisation and nesting behaviour of two sympatric weavers in Mbalmayo District, Cameroon

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abubakari Said Mgelwa --- College of Life Sciences, China Abadi Mehari Abrha --- Department of Wildlife and Ecotourism Management, Ethiopia Zabibu Kabalika --- College of Natural Resources Management and Tourism, Tanzania Simon Awafor Tamungang --- Laboratory of Applied Ecology and Biology, Department of Animal Biology, Cameroon Amare Gebre Medhin Nigusse --- Institute of Geo-Information and Earth Observation Sciences, Department of Geo-Information and Earth Observation Sciences for Natural Resource Management, Ethiopia

Avian ecology and behaviour data provides crucial information for bird conservation and management, but are still missing for many species, particularly in developing countries. This study examines habitat utilisation, nesting behaviour, anthropogenic disturbances and impacts on agricultural crops of Village...

View item »
Effects of urea addition on the fermentation of sorghum (Sorghum bicolor) silage

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ana Paula Maia dos Santos --- Programa de Pós-Graduação em Zootecnia, Brazil Edson Mauro Santos --- Programa de Pós-Graduação em Zootecnia, Brazil Juliana Silva de Oliveira --- Programa de Pós-Graduação em Zootecnia, Brazil Ossival Lolato Ribeiro --- Universidade Federal do Recôncavo da Bahia, Brazil Alexandre Fernandes Perazzo --- Bolsista DCR/FAPESB/CNPq, Brazil Ricardo Martins Araújo Pinho --- Programa de Pós-Graduação em Zootecnia, Brazil Alberto Jeferson da Silva Macêdo --- Programa de Pós-Graduação em Zootecnia, Brazil Gildenia Araújo Pereira --- Programa de Pós-Graduação em Zootecnia, Brazil

This study was conducted to evaluate the effects of urea addition on fermentation characteristics, losses and chemical composition of silage of sorghum (Sorghum bicolor) ‘BRS Ponta Negra’. The sorghum plant was chopped and treated with different levels of urea (0.1756,...

View item »
Seasonal variations in the diet and food selection of the Algerian hedgehog Atelerix algirus

Item type: Journal Article • Journal: African Zoology • Authors: Chafika Mouhoub-Sayah --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Hafsa Djoudad-Kadji --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Florian Kletty --- Université de Strasbourg, CNRS, IPHC, France André Malan --- Institut des Neurosciences Cellulaires et Intégratives, France Jean-Patrice Robin --- Université de Strasbourg, CNRS, IPHC, France Michel Saboureau --- Institut des Neurosciences Cellulaires et Intégratives, France Caroline Habold --- Université de Strasbourg, CNRS, IPHC, France

The Algerian hedgehog Atelerix algirus is an insectivorous species. However, the exact composition of its natural diet remains largely undetermined, especially in relation to seasonal variations in food availability. From March to November, we simultaneously analysed the composition of 180...

View item »
First genetic data for band-winged grasshoppers (Orthoptera: Acrididae: Oedipodinae) of the Biskra region of Algeria with new records for the country

Item type: Journal Article • Journal: African Zoology • Authors: Abdelhamid Moussi --- Laboratory Valorization and Conservation of Natural Resources, Algeria Lara-Sophie Dey --- General Zoology, Germany Daniel Petit --- UMR 1061 Inra, France Abderrahmane Abba --- Laboratory Valorization and Conservation of Natural Resources, Algeria Robert Klesser --- General Zoology, Germany Martin Husemann --- Centrum für Naturkunde, Germany

DNA barcoding represents an objective tool for fast species identification, especially for taxa for which morphological identification is difficult. One current limitation of barcoding is the lack of reference sequences for many groups. While many European and North American countries...

View item »
Factors associated with unintended pregnancy among women attending a public health facility in KwaZulu-Natal, South Africa

Item type: Journal Article • Journal: South African Family Practice • Authors: Firoza Haffejee --- Department of Basic Medical Sciences, South Africa Laura O’Connor --- Department of Chiropractic and Somatology, South Africa Nalini Govender --- Department of Basic Medical Sciences, South Africa Poovendhree Reddy --- Department of Community Health Studies, South Africa Maureen Nokuthula Sibiya --- Faculty of Health Sciences, South Africa Shanaz Ghuman --- Department of Community Health Studies, South Africa Thembelihle Ngxongo --- Department of Nursing, South Africa Dorinda Borg --- Department of Chiropractic and Somatology, South Africa

Background: Across the globe a large proportion of pregnancies have been reported as unintended. There are no available reports from South Africa concerning the prevalence of unintended pregnancies. This study explored the prevalence of unintended pregnancies among South African women...

View item »
Skin cancer awareness and sunscreen use among outpatients of a South African hospital: need for vigorous public education

Item type: Journal Article • Journal: South African Family Practice • Authors: NC Dlova --- Discipline of Dermatology, Nelson R Mandela School of Medicine, South Africa R Gathers --- Department of Dermatology, Multicultural Dermatology Center, J Tsoka-Gwegweni --- Department of Public Health Medicine, School of Nursing and Public Health, South Africa RJ Hift --- School of Clinical Medicine, South Africa

Background: Melanoma incidence among white South Africans is increasing. Among black individuals, melanoma is associated with advanced stage at presentation and significant mortality.

View item »
On stability of linear periodic differential difference equations

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: V.G. Kurbatov --- Department of Mathematical Physics, Russia V.I. Kuznetsova --- Department of Applied Mathematics and Mechanics, Russia

The paper considers the equation

View item »
Index selection for growth and construction wood properties in Pinus elliottii open-pollinated families in southern China

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Shuainan Zhang --- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Zhejiang Provincial Key Laboratory of Tree Breeding, China Jingmin Jiang --- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Zhejiang Provincial Key Laboratory of Tree Breeding, China Qifu Luan --- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Zhejiang Provincial Key Laboratory of Tree Breeding, China

The initial introduction of Pinus elliottii (PEE) to China occurred in the 1930s, and the planting of this conifer species has now attained close to 3 million ha in the subtropical zone of southern China. A large-scale genetic improvement program...

View item »
Late entry to HIV and AIDS care and treatment, Juba Teaching Hospital, Juba, South Sudan, 2013–2016

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Muki Johnson --- Immunization and Field Epidemiology Training Project, South Sudan Benjamin L Lemi --- Juba Teaching Hospital, South Sudan Hillary L Tonny --- Juba Teaching Hospital, South Sudan Adelina D David --- Juba Teaching Hospital, South Sudan Waqo Boru --- Field Epidemiology and Laboratory Training Program, Kenya James Ransom --- Field Epidemiology and Laboratory Training Program, Kenya

Late diagnosis of HIV and enrolment to care are global public health challenges. This study aimed to characterise late HIV diagnoses and initiation of treatment among patients at Juba Teaching Hospital (JTH) in South Sudan. We conducted a retrospective review...

View item »
Biodiversity and ecology of epilithic diatoms in the Agnéby River, Ivory Coast

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: KR N’Guessan --- Laboratoire d’Hydrobiologie et d’Éco-technologie des Eaux-U.F.R, Côte d’Ivoire BRD Aboua --- Laboratoire d’Hydrobiologie et d’Éco-technologie des Eaux-U.F.R, Côte d’Ivoire J Tison-Rosebery --- Irstea-ur eabx, France A Ouattara --- Laboratoire d’Environnement et de Biologie Aquatique, UFR-Sciences et Gestion de l’Environnement, Côte d’Ivoire EP Kouamelan --- Laboratoire d’Hydrobiologie et d’Éco-technologie des Eaux-U.F.R, Côte d’Ivoire

The ecology and taxonomy of the epilithic diatom flora of the Agnéby River, Ivory Coast were studied in 2012. Ten sites were investigated and diatoms were sampled on glass slides immersed for a period of 30 days during the wet...

View item »
Superficial location of the brachial plexus and axillary artery in relation to pectoralis minor: a case report

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: K Keet --- Division of Clinical Anatomy and Biological Anthropology, Department of Human Biology, South Africa G Louw --- Division of Clinical Anatomy and Biological Anthropology, Department of Human Biology, South Africa

Knowledge of the anatomy of the infraclavicular fossa is important as this region is a target site for anaesthesia of the upper limb during infraclavicular approaches to brachial plexus blocks and in central venous cannulation of the axillary or subclavian...

View item »
Energy drinks consumption among football players in Lagos, Nigeria

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Foluke Adenike Olatona --- Department of Community Health and Primary Care, College of Medicine, Nigeria Ijeoma Olumide Aderibigbe --- Department of Community Health and Primary Care, College of Medicine, Nigeria Sunday Adedeji Aderibigbe --- Department of Epidemiology and Community Health, Nigeria Temitope ‘Wunmi Ladi-Akinyemi --- Department of Community Health and Primary Care, College of Medicine, Nigeria

Objectives: This study assessed the prevalence, frequency and reasons for the consumption of energy drinks among members of registered football clubs in Lagos, Nigeria. A descriptive cross-sectional study design was employed and the study setting was Onikan Stadium Lagos, Lagos...

View item »
Non-invasive assessment of adrenocortical activity as a measure of stress in leopards Panthera pardus

Item type: Journal Article • Journal: African Zoology • Authors: Andrea B Webster --- Endocrine Research Laboratory, Department of Anatomy and Physiology, South Africa Richard EJ Burroughs --- Department of Production Animal Studies. Faculty of Veterinary Science, South Africa Peter Laver --- Endocrine Research Laboratory, Department of Anatomy and Physiology, South Africa André Ganswindt --- Endocrine Research Laboratory, Department of Anatomy and Physiology, South Africa

Leopards Panthera pardus are classified in the IUCN Red List as Vulnerable, primarily due to habitat loss, natural prey base depletion and exploitation caused by various anthropogenic activities. Although protected areas are important for leopard conservation, the majority of suitable...

View item »
Degradability of amino acids in selected legume forages using the in situ nylon-bag technique

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Simbarashe Katsande --- Department of Animal Science, South Africa Joseph J Baloyi --- Department of Animal Science, South Africa Florence V Nherera-Chokuda --- Agriculture Research Council–Animal Production and Animal Health, South Africa Nobbert T Ngongoni --- Faculty of Agriculture, Zimbabwe Jacob Gusha --- Department of Paraclinical Veterinary Studies, Zimbabwe Gift Matope --- Department of Paraclinical Veterinary Studies, Zimbabwe Plaxedis I Zvinorova --- Department of Paraclinical Veterinary Studies, Zimbabwe

This study was conducted to determine the amino acid profiles and rumen degradability of amino acids of three cultivated forage legumes – velvet bean (Mucuna pruriens), cowpea (Vigna unguiculata) and silverleaf desmodium (Desmodium uncinatum) – using the in situ nylon-bag...

View item »
Effects of seasonal variation, group size and sex on the activity budget and diet composition of the addax antelope

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Hicham Seri --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Mohsen Chammem --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Luis MM Ferreira --- CITAB-Centre for the Research and Technology of Agro-Environment and Biological Sciences, Portugal Marwa Kechnebou --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Touhami Khorchani --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Severiano R Silva --- CECAV-Animal Science Department, Portugal

Behaviour and diet composition are critical elements in conservation biology within the scope of reintroduction programs. Here we focused on addax (Addax nasomaculatus), a Critically Endangered antelope species, in the Jbil National Park, Tunisia. In this study, we advanced the...

View item »
Prevalence and determinants of congenital cytomegalovirus infection at a rural South African central hospital in the Eastern Cape

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Donald Tshabalala --- Department of Paediatrics, South Africa Howard Newman --- National Health Laboratory Service, Port Elizabeth, South Africa and Department of Pathology, Division of Medical Virology, South Africa Charles Businge --- Department of Obstetrics and Gynaecology, South Africa Sikhumbuzo A Mabunda --- Department of Public Health, South Africa Waldette Kemp --- National Health Laboratory Service, South Africa Pakama Beja --- Department of Paediatrics, South Africa

Background: The Nelson Mandela Academic Hospital (NMAH) in Mthatha, Eastern Cape, is a rural central hospital, serving one of the poorest districts in South Africa. The prevalence of and risk factors for congenital cytomegalovirus (CMV) in this area are not...

View item »
The impact of cerebrospinal fluid viral analysis on empiric antibiotic use in children admitted to Tygerberg Children’s hospital with suspected meningitis

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Irma Kruger --- Department of Paediatrics and Child Health, South Africa Jean Maritz --- PathCare Reference Laboratory, South Africa Heather Finlayson --- Department of Paediatrics and Child Health, South Africa

Background: Viral meningitis is the most common form of aseptic meningitis and requires minimal investigation and treatment. Polymerase chain reaction (PCR) has become the ‘gold standard’ for identifying viruses in cerebrospinal fluid and can provide rapid results. The objective of...

View item »
Antimicrobial resistance surveillance in the South African private sector report for 2016

Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Olga Perovic --- Centre for Healthcare-Associated Infections (HAIs), Antimicrobial Resistance (AMR) and Mycoses, Husna Ismail --- Centre for Healthcare-Associated Infections (HAIs), Antimicrobial Resistance (AMR) and Mycoses, Erika Van Schalkwyk --- Centre for Healthcare-Associated Infections (HAIs), Antimicrobial Resistance (AMR) and Mycoses, Warren Lowman --- Department of Clinical Microbiology and Infectious Diseases, School of Pathology, Elizabeth Prentice --- Ampath Microbiology National Reference Laboratory, Marthinus Senekal --- Pathcare Pathology Group Reference Laboratory, Chetna N Govind --- Department of Clinical Microbiology, South Africa

Aim: The relevance of surveillance for antimicrobial resistance is increasingly recognised in the light of a global action plan to combat resistance. This report presents antimicrobial susceptibility testing on ESKAPE pathogens from private sector laboratories in South Africa for 2016.

View item »
Michael Patrick Stuart Irwin 1 July 1925 Donaghee, Ireland – 13 September 2017 Litcham, Norfolk, UK

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kit Hustler --- Ex Curator of Ornithology at the Natural History Museum of Zimbabwe in Bulawayo, Carl Vernon --- Retired naturalist,

View item »
Thromboelastography in mild, chronic liver disease: challenging conventional coagulation tests preceding liver biopsy

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: LR Veronese --- Department of Anaesthesia and Perioperative Medicine, South Africa M Miller --- Department of Anaesthesia and Perioperative Medicine, South Africa WC Spearman --- Division of Hepatology, Department of Medicine, South Africa

Patients presenting for liver biopsy may have a deficiency of the synthetic function of the liver. They commonly undergo testing of their INR, which is used to decide if there may be a bleeding risk and if that needs to...

View item »
Biomarkers of toxicity in Clarias gariepinus exposed to sublethal concentrations of polycyclic aromatic hydrocarbons

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TO Sogbanmu --- Ecotoxicology and Conservation Unit, Department of Zoology, Faculty of Science, Nigeria AO Osibona --- Department of Marine Sciences, Faculty of Science, Nigeria OA Oguntunde --- Department of Anatomic and Molecular Pathology, Faculty of Basic Medical Sciences, Nigeria AA Otitoloju --- Ecotoxicology and Conservation Unit, Department of Zoology, Faculty of Science, Nigeria

Physiological, biochemical and histological indices in Clarias gariepinus broodstock, and teratogenic indices in embryos exposed to sublethal concentrations of naphthalene, phenanthrene and pyrene were investigated in 2014 using a static-renewal bioassay protocol. Phenanthrene (1.41 mg l−1) was the most toxic,...

View item »
First report on OH-PAHs in South African Clarias gariepinus bile from an urban impacted system

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W Pheiffer --- Water Research Group, Unit for Environmental Science and Management, South Africa N Bortey-Sam --- Laboratory of Toxicology, Department of Environmental Veterinary Science, Japan Y Ikenaka --- Water Research Group, Unit for Environmental Science and Management, South Africa SMM Nakayama --- Laboratory of Toxicology, Department of Environmental Veterinary Science, Japan H Mizukawa --- Department of Environmental Veterinary Science, Graduate School of Veterinary Medicine, Japan M Ishizuka --- Laboratory of Toxicology, Department of Environmental Veterinary Science, Japan NJ Smit --- Water Research Group, Unit for Environmental Science and Management, South Africa R Pieters --- Water Research Group, Unit for Environmental Science and Management, South Africa

The concentrations of selected hydroxylated polycyclic aromatic hydrocarbons (OH-PAHs) were determined in the bile of the African sharptooth catfish Clarias gariepinus from impoundments in the urban impacted Klip River system in Soweto, South Africa. Fish were sampled from three impoundments...

View item »
Coral reefs of the Glorieuses Islands, western Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MH Schleyer --- Oceanographic Research Institute (ORI), South Africa L Bigot --- Laboratoire d’ Écologie Marine Tropicale dans les Océans Pacifique et Indien (ENTROPIE), France Y Benayahu --- School of Zoology, George S. Wise Faculty of Life Sciences, Israel

The benthic fauna on reefs around the Glorieuses Islands, a small and protected Indian Ocean archipelago northwest of Madagascar, was surveyed in November 2015, focusing particularly on the orders Alcyonacea (soft corals and gorgonians) and Scleractinia (stony corals). The species...

View item »
Socio-economic and environmental analysis of wind power projects as viable renewable energy resources in Kenya

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Victor Ongoma --- Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), People’s Republic of China

The demand for power in Kenya is on the increase with the ongoing growth of the country’s economy. There is a need for the country to balance energy efficiency, sustainability and low-carbon technologies. This entails drafting and implementing policies and...

View item »
Religious Beliefs and Entrepreneurial Behaviors in Africa: A Case Study of the Informal Sector in Uganda

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Rebecca Namatovu --- Makerere University Business School, Uganda Samuel Dawa --- Makerere University Business School, Uganda Adeyinka Adewale --- Henley Business School, University of Reading, UK Fiona Mulira --- Makerere University Business School, Uganda

Religion plays a major role in Africa’s polity and its influence on the business landscape of the continent has been acknowledged in literature. This study contributes to the discourse by investigating and explaining how religious beliefs shape entrepreneurial behaviors in...

View item »
Chemical characteristics of woods from several Chilean native forest species and their relationship with nanomechanical cell properties

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: María Graciela Aguayo --- Centro de Biomateriales y Nanotecnología, Chile William Gacitúa --- Centro de Biomateriales y Nanotecnología, Chile Paulina Valenzuela --- Centro de Biomateriales y Nanotecnología, Chile Regis Teixeira Mendonça --- Laboratorio de Recursos Renovables, Centro de Biotecnología, Chile Pablo Reyes --- Centro de Excelencia en Nanotecnología, Fundación Leitat Chile, Chile

The objective of this research was to study the chemical and nanomechanical characteristics of native woods grown in southern Chile region. The species analysed were Drimys winteri, Laureliopsis philippiana, Aextoxicon puctatum, Nothofagus alpina, Nothofagus dombeyi, Laurelia sempervirens, Austrocedrus chilensis and...

View item »
A decision support tool approach based on the Electre TRI-B method for the valorisation of tropical timbers from the Congo Basin: an application for glulam products

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: René Oum Lissouck --- Department of Civil Engineering and Wood Construction, Cameroon Régis Pommier --- University of Bordeaux, France Franck Taillandier --- University of Bordeaux, France Jean K Mvogo --- Laboratory of Civil Engineering and Mechanics, National Advanced School of Engineering, Cameroon Denys Breysse --- University of Bordeaux, France Louis M Ayina Ohandja --- Laboratory of Civil Engineering and Mechanics, National Advanced School of Engineering, Cameroon

An alternative approach to the formal management strategy of tropical timber species from the Congo Basin was investigated. It focused on the development of glulam, with an aim to specify a decision support model for the valorisation of tropical timber...

View item »
A comparison of diameter distribution models for Khaya ivorensis A.Chev. plantations in Brazil

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rafaella Carvalho Mayrinck --- School of Environment and Sustainability, Canada Antonio Carlos Ferraz Filho --- Department of Engineering, Brazil Andressa Ribeiro --- Department of Engineering, Brazil Ximena Mendes de Oliveira --- Department of Forest Science, Brazil Renato Ribeiro de Lima --- Department of Statistic, Brazil

The purpose of this study was to compare Beta, Gamma, Johnson's SB and Weibull functions fitted by different methods for describing the horizontal structure of Khaya ivorensis (African mahogany) plantations in Brazil. The database comprised 128 plots from six plantations...

View item »
Acute respiratory distress syndrome following a biphasic anaphylactic reaction to morphine: a case report and review of the literature

Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: KU Tobi --- Department of Surgery and Anaesthesiology, University of Namibia, Namibia G Kirenga --- Department of Anaesthesiology, University of Rwanda, Rwanda S Muhmuza --- Department of Anaesthesiology, King Faisal Hospital, Rwanda P Ruhato --- Department of Anaesthesiology, University of Rwanda, Rwanda

Background: Biphasic anaphylactic reaction is a variant of the usual and more commonly seen monophasic anaphylactic reaction. However, recently it has been observed that biphasic anaphylactic reaction may not be as uncommon as previously believed. Furthermore, serious and life-threatening complications...

View item »
Parents’ direct or indirect involvement in the choice of language of learning and teaching

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Matome M Mabiletja --- Department of African Languages for Education, South Africa

Although the Constitution of the Republic of South Africa gives children the right to receive education in the language of their choice, the practice of imposing English over their mother tongue remains. The aim of this study was to explore...

View item »
The breeding ecology of Mallard Anas platyrhynchos at Lake Tonga, north-eastern Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Aicha Fouzari --- Laboratoire de Conservation des Zones Humides, Algeria Farrah Samraoui --- Laboratoire de Conservation des Zones Humides, Algeria Boudjéma Samraoui --- Laboratoire de Conservation des Zones Humides, Algeria

The breeding ecology of Mallard Anas platyrhynchos was investigated at Lake Tonga, north-eastern Algeria, which is at the southern edge of the species’ range in the Western Palearctic. Breeding was mainly carried out in stumps of alder carr (Alnus glutinosa)...

View item »
Plumage development and moult in captive Black-bellied Sandgrouse Pterocles orientalis: age and sex variations

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mohamed Aourir --- Department of Biology, Faculty of Sciences, Morocco Mohammed Znari --- Department of Biology, Laboratory «Biodiversity and Ecosystem Dynamics», Faculty of Sciences – Semlalia, Morocco Mohamed Radi --- Department of Biology, Laboratory «Biodiversity and Ecosystem Dynamics», Faculty of Sciences – Semlalia, Morocco

The sandgrouse, family Pteroclididae, are a group of birds adapted to open, arid habitats and powerful fliers but information on their plumage development and moult is scarce. In this study, the annual cycle of body plumage development, sequence and duration...

View item »
Development and validation of a stem volume equation for Cupressus lusitanica in Gergeda Forest, Ethiopia

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mengesha Tsega --- College of Environmental Science and Engineering, China Awoke Guadie --- Department of Biology, College of Natural Sciences, Ethiopia Zebene Lakew Teffera --- College of Environmental Science and Engineering, China Yigez Belayneh --- College of Environmental Science and Engineering, China Dongjie Niu --- State Key Laboratory of Pollution Control and Resource Reuse, China

Stem volume equations were fitted for Cupressus lusitanica in Gergeda Forest, Ethiopia using six different established equation forms. A total of 260 trees were measured for their diameter at breast height (D), total height (H )and stem volume using destructive sampling...

View item »
Modifiable factors within the prevention of mother-to-child transmission programme associated with failure to prevent HIV transmission in the Onandjokwe district of Namibia

Item type: Journal Article • Journal: South African Family Practice • Authors: Flavia Strato Shayo --- Division of Family Medicine and Primary Care, South Africa Bob Mash --- Division of Family Medicine and Primary Care, South Africa

View item »
Food profile of Grey Wagtail Motacilla cinerea during an annual cycle in the Algerian Babors Mountains of North Africa

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Roza Belkacem --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Abdelazize Franck Bougaham --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Mohammed Gagaoua --- Université Clermont Auvergne, France Riadh Moulaï --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria

This study showed from the analysis of 180 droppings of the Grey Wagtail Motacilla cinerea harvested during a period of one year from the Babors Mountains (Bejaia, Algeria) that insects formed the main part of the diet (85.9% of identified...

View item »
Impact of human activities on the reproduction of Hooded Vultures Necrosyrtes monachus in Burkina Faso

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- Laboratory of Animal Biology and Ecology, Burkina Faso Ralph Buij --- Department of Animal Ecology, The Netherlands Adama Oueda --- Laboratory of Animal Biology and Ecology, Burkina Faso Jacques Boko Adjakpa --- Laboratory of Research in Applied Biology, Benin Wendengoudi Guenda --- Laboratory of Animal Biology and Ecology, Burkina Faso Peter DM Weesie --- Science and Society Group, Faculty of Sciences and Engineering, The Netherlands

During the last decades, the critically endangered Hooded Vulture Necrosyrtes monachus has strongly declined across its African range. Although direct persecution has been suggested as a major cause of this decline, little is known about the impact of humans on...

View item »
Dietary analysis across breeding seasons of Eleonora's Falcon Falco eleonorae on the western coast of Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sihem Bakour --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Algeria Riadh Moulaï --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Algeria

The study of the contents of 318 Eleonora's Falcon Falco eleonorae pellets, collected from three islands off the western coast of Algeria, allowed us to identify 134 prey items. These are divided into 55 families, 21 orders and five classes...

View item »
Factors associated with adherence to ARV treatment in people living with HIV/AIDS in a rural area (Koula-Moutou) in East Gabon

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Arnaud Mongo-Delis --- HIV/AIDS Outpatient Treatment Centre of Koula-Moutou, Gabon Landry E Mombo --- Laboratory of Molecular and Cellular Biology, Gabon Patrick Mickala --- Laboratory of Molecular and Cellular Biology, Gabon Wenceslas Bouassa --- HIV/AIDS Outpatient Treatment Centre of Koula-Moutou, Gabon Wilfried S Bouedy --- HIV/AIDS Outpatient Treatment Centre of Koula-Moutou, Gabon Bertrand M’batchi --- Laboratory of Molecular and Cellular Biology, Gabon Cyrille Bisseye --- Laboratory of Molecular and Cellular Biology, Gabon

The goal of this study was to evaluate the impact of socio-clinical factors on adherence to antiretroviral treatment in people living with HIV/AIDS in Koula-Moutou (a rural area of Gabon). Two adherence assessment methods based on patient declaration and compliance...

View item »
Association between HIV/AIDS knowledge and stigma towards people living with HIV/AIDS in Botswana

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sandra B Letshwenyo-Maruatona --- Institute of Health Sciences-Gaborone, Botswana Montlenyane Madisa --- Botswana College of Distance and Open Learning, Botswana Thokgamo Boitshwarelo --- Institute of Health Sciences-Gaborone, Botswana Botho George-Kefilwe --- Institute of Health Sciences-Gaborone, Botswana Caroline Kingori --- Department of Social and Public Health, USA Gillian Ice --- Department of Social Medicine, Heritage College of Osteopathic Medicine and College of Health Sciences and Professions, USA Joseph A Bianco --- Department of Social Medicine, USA Marape Marape --- Marape & Marape Family Medical and Public Health Clinic, Botswana Zelalem T Haile --- Department of Social Medicine, Heritage College of Osteopathic Medicine, USA

In Botswana, an estimated 350 000 people live with HIV/AIDS. HIV/AIDS testing rates are low, suggesting that many other people remain undiagnosed. Stigma related to HIV/AIDS is prevalent and contributes to low testing rates and under-diagnosis of the virus. Identifying...

View item »
The paradox of global environmental justice: Appealing to the distributive justice framework for the global South

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Munamato Chemhuru --- Department of Philosophy & Religious Studies, Zimbabwe

While a relativist view of environmental ethics could be quite difficult to justify, it is also difficult to be so strict about the quest for global environmental justice. At the same time, even though the reality of environmental degradation is...

View item »
The determinants and complementarity of organizational innovation practices among Nigerian manufacturing and service firms

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: David Adeyeye --- National Centre for Technology Management, Federal Ministry of Science and Technology, PMB 012, Nigeria Abiodun Egbetokun --- National Centre for Technology Management, Federal Ministry of Science and Technology, PMB 012, Nigeria Omolayo Oluwatope --- National Centre for Technology Management, Federal Ministry of Science and Technology, PMB 012, Nigeria Maruf Sanni --- National Centre for Technology Management, Federal Ministry of Science and Technology, PMB 012, Nigeria

This paper gives an overview of organizational innovation practices within the context of a developing country, Nigeria. Using innovation survey data from 2008 and 2011, the paper provides an analysis of the complementarity or otherwise of organizational innovation practices used...

View item »
Megabenthos and benthopelagic fishes on Southeast Atlantic seamounts

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: OA Bergstad --- Institute of Marine Research (IMR), Norway M Gil --- Departamento de Ecología y Biología Animal, Edificio de Ciencias Experimentales, Spain ÅS Høines --- Institute of Marine Research (IMR), Norway R Sarralde --- Instituto Espanol de Oceanografia, Centro Oceanografico de Canarias, Spain E Maletzky --- Ministry of Fisheries and Marine Resources, Namibia E Mostarda --- Food and Agriculture Organization of the United Nations (FAO), Italy L Singh --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa MA António --- Secretary of State of Affairs, Ministry of Agriculture, Rural Development and Fisheries, Angola F Ramil --- Departamento de Ecología y Biología Animal, Edificio de Ciencias Experimentales, Spain P Clerkin --- Pacific Shark Research Center (PSRC), Moss Landing Marine Laboratories, United States G Campanis --- South East Atlantic Fisheries Organisation (SEAFO) Secretariat, Namibia

In a descriptive study of megafauna of several Southeast Atlantic seamounts, multiple video-transects on upper slopes and summits documented the occurrence of benthic invertebrate taxa, primarily corals, regarded as indicators of vulnerable marine ecosystems (VMEs) as defined in international guidelines...

View item »
Further results on monotonic graph invariants and bipartiteness number

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hanlin Chen --- Key Laboratory of HPCSIP, Ministry of Education of China, College of Mathematics and Computer Science, China Jia-Bao Liu --- School of Mathematics and Physics, P.R. China

The bipartiteness of a graph is the minimum number of vertices whose deletion from G results in a bipartite graph. If a graph invariant decreases or increases with addition of edges of its complement, then it is called a monotonic...

View item »
The attitudes of riparian communities to the presence of water hyacinth in the Wouri River Basin, Douala, Cameroon

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SN Kenfack Voukeng --- Department of Zoology and Entomology, South Africa P Weyl --- Department of Zoology and Entomology, South Africa MP Hill --- Department of Zoology and Entomology, South Africa N Chi --- Watershed Task Group Coordinator (WTG), Cameroon

Since publication of the first record of Eichhornia crassipes in Cameroon in 1997, the weed has become highly invasive in the Wouri River Basin. Between June and September 2014, a socio-economic survey using participatory and qualitative methods was undertaken in...

View item »
Allometric equations from a non-destructive approach for biomass prediction in natural forest and plantation in West Africa

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: SA Hamzath Kora --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin GH Sabin Guendehou --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin Cédric A Goussanou --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin Achille E Assogbadjo --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin Brice Sinsin --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Benin

Allometric equations are required for a rapid estimation of commercial timber volume and forest biomass stocks. In order to preserve the forest ecosystem, this study applied a non-destructive sampling approach to measure biophysical properties of living trees. From these measurements,...

View item »
Forest gap size can efficiently promote litter decomposition and nutrient release in south-western China

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Xun Li --- Key Laboratory of Ecological Forestry Engineering, China Danju Zhang --- Key Laboratory of Ecological Forestry Engineering, China Yan Zhang --- Key Laboratory of Ecological Forestry Engineering, China Jian Zhang --- Key Laboratory of Ecological Forestry Engineering, China Simeng Song --- Key Laboratory of Ecological Forestry Engineering, China Yang Zhou --- Key Laboratory of Ecological Forestry Engineering, China

Forest gaps are important in forest dynamics and management; however, the gap size that is most conducive to the decomposition of litter and promotion of nutrient cycling in forests remains poorly understood. The mass loss and nutrient release from Pinus...

View item »
Prevalence of Vitamin D deficiency in a multiracial female population in KwaZulu-Natal province, South Africa

Item type: Journal Article • Journal: South African Family Practice • Authors: Yeshnee Naidoo --- Discipline of Optics and Imaging, Durban, South Africa Jagidesa Moodley --- Women’s Health and HIV Research Group, Department of Obstetrics and Gynaecology, Durban, South Africa Lorna Madurai --- Global Clinical and Virology Laboratory, Thajasvarie Naicker --- Discipline of Optics and Imaging, Durban, South Africa

Objective: Vitamin D deficiency is a global health issue affecting many countries, especially those in temperate climates. The aim of this study was to determine the prevalence of Vitamin D deficiency and level of 25-hydroxyvitamin D [25(OH)D] in females categorised...

View item »
Neuroticism and depression: a moderated mediation model of secure peer attachment and blindness

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Aitao Lu --- Center for Studies of Psychological Application & School of Psychology, China Meichao Zhang --- Center for Studies of Psychological Application & School of Psychology, China Meirong Li --- Center for Studies of Psychological Application & School of Psychology, China Ye Zhang --- Center for Studies of Psychological Application & School of Psychology, China Jijia Zhang --- Department of Psychology & the Laboratory of the Department of Psychology, China

Background: Prior studies have shown strong pairwise relationships between neuroticism, peer attachment, and depression but very little was found on the questions of how neuroticism is associated with depression through secure peer attachment, and what role individual difference played in...

View item »
Diffuse large B-cell lymphoma of the endometrium: an unusual site for primary presentation

Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Reubina Wadee --- Anatomical Pathology, Republic of South Africa

Diffuse large B-cell lymphomas are fairly common adult haematolymphoid malignancies. Approximately 40% of such tumours may present in an extranodal site. These lymphomas are, however, infrequently identified in the female genital tract and even more rarely, identified in the endometrium...

View item »
Clients’ Experience of Therapist-Disclosure: Helpful and Hindering Factors and Conditions

Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Lorato Kenosi --- , Botswana Duncan Cartwright --- , South Africa

In psychotherapy, the norm and expectation is for clients to self-disclose, thus disregarding and discouraging self-disclosure by therapists. This study aimed to investigate clients’ subjective experience of therapist disclosure, and in particular how clients interpret, appraise and react to therapist...

View item »
Brown hyaena (Parahyaena brunnea) diet composition from Zingela Game Reserve, Limpopo Province, South Africa

Item type: Journal Article • Journal: African Zoology • Authors: J Philip B Faure --- Department of Nature Conservation, George South Africa Nadine J Holmes --- Primate and Predator Project, Lajuma Research Centre, South Africa Lawrence H Watson --- Department of Nature Conservation, George South Africa Russell A Hill --- Primate and Predator Project, Lajuma Research Centre, South Africa

Brown hyaenas Parahyaena brunnea are classified as ‘Near Threatened’. Although predominantly scavengers, they are frequently blamed for livestock depredations leading to persecution. Information on brown hyaena diets is important for understanding the degree of potential conflict with farming livelihoods and...

View item »
INTRODUCTION: Importance of methodological diversity for innovation system studies

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mika Raunio --- Senior Researcher, Migration Institute of Finland, Turku/Seinäjoki, Finland Academic Coordinator of Globelics Academy Tampere, at Research Center for Knowledge, Science, Technology and Innovation Studies (TaSTI), Finland Rhiannon Pugh --- Centre for Urban and Regional Studies, Orebro University, Sweden and Department of Social and Economic Geography, Sweden Fayaz Ahmad Sheikh --- The Center for Studies in Science Policy, India Abiodun Egbetokun --- National Center for Technology Management, Nigeria

View item »
Genetic diversity of endangered sandalwood (Osyris lanceolata) populations in Kenya using ISSR molecular markers

Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: KP Andiego --- Department of Forestry and Wood Science, Kenya OG Dangasuk --- Department of Biological Sciences, Kenya DW Odee --- Biotechnology Laboratory, Kenya FS Omondi --- Biotechnology Laboratory, Kenya DF Otieno --- Department of Biological Sciences, Kenya BK Balozi --- Department of Forestry and Wood Science, Kenya

Osyris lanceolata is an evergreen, drought tolerant tropical African tree species belonging to the family Santalaceae. It is endangered, owing to overexploitation for its essential oil used in cosmetics and pharmaceutical industries. The study aimed at determining: (1) the genetic...

View item »
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, Belgium

This 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...

View item »
Relationship between carbon stocks and tree species diversity in a humid Guinean savanna landscape in northern Sierra Leone

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Edward Amara --- Earth Change Observation Laboratory, Department of Geosciences and Geography, Finland Janne Heiskanen --- Earth Change Observation Laboratory, Department of Geosciences and Geography, Finland Ermias Aynekulu --- World Agroforestry Centre (ICRAF), Kenya Petri KE Pellikka --- Earth Change Observation Laboratory, Department of Geosciences and Geography, Finland

Global sustainable development goals include reducing greenhouse gas emissions from land-use change and maintaining biodiversity. Many studies have examined carbon stocks and tree species diversity, but few have studied the humid Guinean savanna ecosystem. This study focuses on a humid...

View item »
Discrimination of the phenotypic sardine Sardina pilchardus stocks off the Moroccan Atlantic coast using a morphometric analysis

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Mounir --- Biodiversity and Dynamics of Ecosystems Laboratory, Department of Biology, Faculty of Sciences, Morocco A Ewague --- Biodiversity and Dynamics of Ecosystems Laboratory, Department of Biology, Faculty of Sciences, Morocco M Znari --- Biodiversity and Dynamics of Ecosystems Laboratory, Department of Biology, Faculty of Sciences, Morocco H Elmghazli --- Biodiversity and Dynamics of Ecosystems Laboratory, Department of Biology, Faculty of Sciences, Morocco

Morphometric variation can be very useful for discriminating ‘phenotypic stocks’ as groups with similar life-history traits. Such groups are of great importance for accurate population-dynamics modelling for purposes of fishery stock assessment and management, independent of their genetic differences or...

View item »
Biderivations of the Galilean Conformal Algebra and their applications

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zhaobo Ding --- Department of Mathematics, China Xiaomin Tang --- Department of Mathematics, Heilongjiang University, and Heilongjiang Provincial Laboratory of the Theory and Computation of Complex Systems, China

In this paper, the biderivations of the Galiean conformal algebra are determined. As an application, the forms of the commutative post-Lie algebra structures on the Galiean conformal algebra are obtained.

View item »
Histological alterations of selected tissues (gill, liver, kidney and stomach) in two common fish species within two eutrophic peri-urban lakes in Zimbabwe

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: B Utete --- Department of Wildlife Ecology and Conservation, Zimbabwe N Mabika --- Department of Anatomy, Zimbabwe J Chiwara --- Department of Applied Biosciences and Biotechnology, Zimbabwe J Makaure --- Department of Applied Biosciences and Biotechnology, Zimbabwe C Phiri --- Department of Freshwater and Fishery Science, Zimbabwe SS Mlambo --- Department of Biotechnology Science, Zimbabwe N Muboko --- Department of Wildlife Ecology and Conservation, Zimbabwe J Tsamba --- Department of Biology, Zimbabwe

Pollution threatens fish health in the eutrophic lakes, Chivero and Manyame, in Zimbabwe. Histopathological tissue alterations of two commonly consumed fish: catfish, Clarias gariepinus, and; tilapia, Oreochromis niloticus, from Lakes Chivero and Manyame were assessed between 2015 and 2016. Seventy-one...

View item »
Determinants of serum 25-hydroxyvitamin D levels in healthy young adults living in the Western Cape, South Africa

Item type: Journal Article • Journal: South African Family Practice • Authors: J Visser --- Division of Human Nutrition, Department of Global Health, South Africa K Knight --- Division of Human Nutrition, Department of Global Health, South Africa L Philips --- Division of Human Nutrition, Department of Global Health, South Africa W Visser --- Division of Dermatology, South Africa M Wallace --- Cancer Association of South Africa (CANSA), Cape Town, South Africa, DG Nel --- Centre for Statistical Consultation, South Africa R Blaauw --- Division of Human Nutrition, Department of Global Health, South Africa

Background: Vitamin D deficiency is fast emerging as a global pandemic. In South Africa few studies have been conducted to determine the vitamin D status of the healthy population.

View item »
Cranial variation in common dolphins Delphinus spp. off South Africa, with the inclusion of information from the holotype of Delphinus capensis

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SG Ngqulana --- Department of Zoology, South Africa S Plön --- Earth Stewardship Science Research Institute – Africa Earth Observatory Network, South Africa A Galatius --- Department of Bioscience, Denmark P Pistorius --- Department of Zoology, South Africa GJG Hofmeyr --- Department of Zoology, South Africa

The common dolphins (genus Delphinus) are widely distributed in all temperate and tropical oceans. Over this wide geographical distribution they show considerable range in morphological variation, which has led to descriptions of several species in the genus. Until recently, only...

View item »
New records of Planes crabs associated with sea turtles in Africa and adjacent waters

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JB Pfaller --- Caretta Research Project, United States AN Palau --- Archie Carr Center for Sea Turtle Research and the Department of Biology, United States PD Agamboué --- Marine Program, Gabon M Barret --- Kélonia, l’Observatoire des Tortues Marines, Réunion S Ciccione --- Kélonia, l’Observatoire des Tortues Marines, Réunion G Cliff --- KwaZulu-Natal Sharks Board, South Africa A Formia --- Marine Program, Gabon JC Manfoumbi --- Ibonga-ACPE [Association pour la Connaissance et la Protection de l’Environnement], Gabon A Marco --- Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (EBD-CSIC), Spain G-P Sounguet --- Aventures Sans Frontières, Gabon AD Tucker --- Mote Marine Laboratory and Aquarium, United States

Crabs of the genus Planes (family Grapsidae) live on floating debris and pelagic animals and spend their lives rafting at the surface of the open ocean. Among living substrata, Planes minutus is frequently found associated with sea turtles. However, prior...

View item »
Impacts of a concentrated solar power trough facility on birds and other wildlife in South Africa

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Corey Jeal --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Vonica Perold --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Samantha Ralston-Paton --- BirdLife South Africa, South Africa Peter G Ryan --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa

This study assesses bird and wildlife mortality and changes in bird species communities at a 50 MW utility-scale concentrated solar power parabolic trough facility in South Africa. The facility was searched for evidence of large vertebrate mortalities over three months...

View item »
Spatial distribution and breeding territories of Bonelli’s Eagle Aquila fasciata in the western Anti-Atlas Mountains, Morocco

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ali Irizi --- Département de Zoologie et Ecologie Animale, Institut Scientifique, Morocco Mohamed Aourir --- Laboratory « Biodiversité et fonctionnement des écosystèmes », Department of Biology, Faculty of Sciences, Morocco Mohammed Znari --- Laboratoire « Biodiversité et Dynamique des Ecosystèmes», Faculté des Sciences – Semlalia, Morocco Mohamed Aziz El Agbani --- Département de Zoologie et Ecologie Animale, Institut Scientifique, Morocco Abdeljebbar Qninba --- Département de Zoologie et Ecologie Animale, Institut Scientifique, Morocco

The North African population of Bonelli’s Eagle Aquila fasciata (Vieillot, 1822) is limited to the south by the northern fringe of the Sahara Desert. This study provides the first data on the spatial distribution and density of breeding Bonelli’s Eagles...

View item »
Variable phylogeographic histories of five forest birds with populations in Upper and Lower Guinea: implications for taxonomy and evolutionary conservation

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jean-Bernard Dongmo --- Laboratory of Zoology, Department of Animal Biology and Physiology, Faculty of Sciences, Cameroon Jeffrey M DaCosta --- Biology Department, Boston College, USA Champlain Djieto-Lordon --- Laboratory of Zoology, Department of Animal Biology and Physiology, Faculty of Sciences, Cameroon Pierre Ngassam --- Laboratory of Parasitology and Ecology, Cameroon Michael D Sorenson --- Department of Biology, USA

This study evaluates phylogeographic structure in selected forest bird species distributed on either side of the Dahomey Gap in West Africa to extend analyses of avian diversification across the Guineo-Congolean forest. Mitochondrial DNA sequence data were collected for five species,...

View item »
Prevalence and clinical relevance of thyroid autoantibodies in patients with goitre in Nigeria

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: OA Ojo --- Department of Medicine, Nigeria RT Ikem --- Department of Medicine, Nigeria BA Kolawole --- Department of Medicine, Nigeria OE Ojo --- Department of Medicine, Nigeria MO Ajala --- Department of Chemical Pathology, Lagos State Laboratory Services,

Background: Thyroid autoimmunity was thought to be rare in Africans but there is evidence that its prevalence is increasing. Since undetected autoimmune thyroid disease carries considerable morbidity, this study set out to determine the proportion of patients with goitre who...

View item »
Antimicrobial stewardship in rural districts of South Africa: growing a positive culture

Item type: Journal Article • Journal: South African Family Practice • Authors: Klaus B von Pressentin --- Mossel Bay Sub-district, Garden Route District, South Africa Hendré Swanepoel --- Van Rensburg Lancet, South Africa Jessica JS Opie --- Division of Haematology, National Health Laboratory Service, South Africa Louis S Jenkins --- Division of Family Medicine and Primary Care, South Africa

Background: The success of medical specialist-led antimicrobial stewardship activities in urban tertiary health care settings has been well documented. The issue of antimicrobial resistance remains an ongoing concern. This has particular relevance in primary health care communities treated from sub-district...

View item »
Spatio-temporal variation of environmental variables and aquatic macroinvertebrate assemblages in Lake Nokoué, a RAMSAR site of Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OH Odountan --- Laboratory of Ecology and Aquatic Ecosystem Management, Department of Zoology, Republic of Benin L Janssens de Bisthoven --- Capacities for Biodiversity and Sustainable Development (CEBioS), Belgium CZ Koudenoukpo --- Laboratory of Hydrobiology and Aquaculture, Benin Y Abou --- Laboratory of Ecology and Aquatic Ecosystem Management, Department of Zoology, Republic of Benin

Environmental characteristics and macroinvertebrate assemblages of Lake Nokoué (Benin) were investigated from September 2014 to July 2016. Seasonal and hydroclimatic changes, as well as anthropogenic activities were the overriding factors affecting environmental variables investigated. Analysis of macroinvertebrate community structure with...

View item »
Farmers’ knowledge, attitudes and perceptions towards timber out-grower schemes in selected districts of Malawi

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Maggie G Munthali --- Department of Geography, Geoinformatics and Meteorology, South Africa Simon Mng’omba --- World Agroforestry Centre (ICRAF), Chitedze Research Station, Malawi Harold Chisale --- Department of Forestry, Malawi Joyce Njoloma --- World Agroforestry Centre (ICRAF), Chitedze Research Station, Malawi Betserai I Nyoka --- World Agroforestry Centre (ICRAF), Chitedze Research Station, Malawi Gertrude Sato --- World Vision International, Malawi National Office, Malawi

Timber out-grower schemes have proved to be one of the most profitable enterprises for rural households. No wonder, several analysts and researchers regard them as an alternative model to avoid problems of displacement and create ‘win-win’ outcomes for both rural...

View item »
Foreign direct investment inflows, intellectual property rights and economic freedom: Empirical evidence from middle- and low-income countries

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Saïd Hammami --- Laboratoire d’Economie et de Gestion Industrielle LEGI, Ecole Polytechnique de Tunisie, Tunisia

This study examines the impact of intellectual property rights (IPRs) on foreign direct investment (FDI) inflows, using macro data over a panel of 39 middle- and low-income countries as classified by the World Bank. Empirical assessment was made in order...

View item »
HIV testing preferences among pregnant women attending antenatal care and their male partners: a discrete choice experiment in Uganda

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jeffrey E Korte --- Department of Public Health Sciences, USA Michael Strauss --- Health Economics and HIV and AIDS Research Division, South Africa Aissatou Ba --- Department of Public Health Sciences, USA Esther Buregyeya --- School of Public Health, Uganda Joseph KB Matovu --- School of Public Health, Uganda Rose Kisa --- School of Public Health, Uganda William Musoke --- Mildmay Uganda, Uganda Harriet Chemusto --- Mildmay Uganda, Uganda Caroline J Vrana-Diaz --- Department of Public Health Sciences, USA Angela M Malek --- Department of Public Health Sciences, USA Rhoda K Wanyenze --- School of Public Health, Uganda Gavin George --- Health Economics and HIV and AIDS Research Division, South Africa

HIV testing rates remain stubbornly low among men – a crucial target population for reaching the ambitious global and regional goals of the HIV programme. In an era of declining donor funding, identifying cost-effective strategies to increase testing rates amongst...

View item »
Post COVID-19 online shopping in South Africa: A mediation analysis of customer satisfaction on e-service quality and purchase intention

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matolwandile M. Mtotywa --- Tshwane University of Technology, South Africa Charles Kekana --- Tshwane University of Technology, South Africa

The study investigated the dynamics of online shopping focusing on mediation analysis of customer satisfaction on e-service quality and purchase intention. The study used a cross-sectional quantitative method where 324 responses were collected through a self-administered online survey questionnaire from...

View item »
Assessment of trace metals in water samples and tissues of African catfish (Clarias gariepinus) from the Akaki River Catchment and the Aba Samuel Reservoir, central Ethiopia

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AB Kassegne --- Centre for Environmental Science, Ethiopia T Berhanu --- Interim Coordinator, Central Research Laboratory, Ethiopia JO Okonkwo --- Department of Environmental, Water and Earth Sciences, South Africa S Leta --- Centre for Environmental Science, Ethiopia

Concentrations of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn were determined in water and muscle of Clarias gariepinus from the Akaki River Catchment and the Aba Samuel Reservoir in Ethiopia during 2016 and 2017. The analyses were performed...

View item »
Effects of human disturbance and altitudinal gradient on myriapod species richness and abundance at Mount Kala, central Cameroon

Item type: Journal Article • Journal: African Zoology • Authors: PS Mbenoun Masse --- Laboratoire de Zoologie, Cameroon SD Makon --- Laboratoire de Zoologie, Cameroon

Myriapods are remarkably diverse and encompass many endemic species, yet they remain poorly studied in Cameroon. We investigated the influence of anthropogenic activities on myriapod assemblage structures along an altitudinal gradient at Mount Kala. Myriapods were collected by pitfall trapping,...

View item »
The purse-seine fishery for small pelagic fishes off the Madeira Archipelago

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Tejerina --- Observatório Oceânico da Madeira, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (OOM/ARDITI) [Oceanic Observatory of Madeira/Regional Agency for the Development of Research, Technology and Innovation], Portugal M Hermida --- Observatório Oceânico da Madeira, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (OOM/ARDITI) [Oceanic Observatory of Madeira/Regional Agency for the Development of Research, Technology and Innovation], Portugal G Faria --- Research Service, Direção Regional de Pescas (DRP) [Regional Directorate of Fisheries], Portugal J Delgado --- Research Service, Direção Regional de Pescas (DRP) [Regional Directorate of Fisheries], Portugal

Small pelagic fishes constitute a valuable food resource for human consumption and are also important components of marine food webs. At Madeira, a Portuguese archipelago in the eastern Atlantic, they are the target of a year-round purse-seine fishery operating mainly...

View item »
Phytochemical profiling and soluble sugars of African ginger (Siphonochilus aethiopicus) from different growing regions in South Africa

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Salmina N Mokgehle --- Horticultural Science, School of Agricultural, Earth and Environmental Sciences, South Africa Samson Z Tesfay --- Horticultural Science, School of Agricultural, Earth and Environmental Sciences, South Africa Manaka J Makgato --- Agricultural Research Council–Vegetable and Ornamental Plants, South Africa Hintsa T Araya --- Agricultural Research Council–Vegetable and Ornamental Plants, South Africa

African ginger (Siphonochilus aethiopicus) is distributed in different regions of South Africa and contains bioactive constituents that provide health benefits. However, there is limited information describing the phytochemical and soluble sugars in different parts of the plant from different regions...

View item »
Improving productivity of orange-fleshed sweetpotato (Ipomoea batatas) through intercropping with legumes and moderate phosphorus application

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Eliah Munda --- International Potato Center, Mozambique Petrus J Pieterse --- Department of Agronomy, South Africa Maria I Andrade --- International Potato Center, Mozambique Godwill S Makunde --- International Potato Center, Mozambique Engil I Pereira --- School of Earth, Environmental, and Marine Sciences, USA

Sweetpotato yield is adversely affected by poor soil fertility in Mozambique where access to inorganic fertilisers is lacking. The objective of the study was to evaluate the effectiveness of intercropping sweetpotato with groundnut and soybean at various phosphorus (P) fertilisation...

View item »
Integrated influence of soil tillage, nitrogen–potassium fertiliser and mulching on pineapple (Ananas comosus (L.) Merr.) growth and yield

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Elvire L Sossa --- Research Unit of Eco-Pedology, Laboratory of Soil Sciences, Faculty of Agronomic Sciences, Benin Codjo E Agbangba --- Laboratory of Research in Applied Biology, Department of Environmental Engineering, Polytechnic School of Abomey-Calavi, Benin Guillaume L Amadji --- Research Unit of Eco-Pedology, Laboratory of Soil Sciences, Faculty of Agronomic Sciences, Benin Kossi E Agbossou --- Laboratory of Hydraulic and Water Control, Faculty of Agronomic Sciences, Benin Djidjoho J Hounhouigan --- Laboratory of Nutrition and Food Sciences, Faculty of Agronomic Sciences, Benin

Pineapple is one of the most important fruit in the world and its production requires appropiate cultural practices. This work aimed to investigate the influences of soil tillage, nitrogen–potassium (N-K) fertiliser and mulching on pineapple growth and yield. The experimental...

View item »
Roseate Terns Sterna dougallii on the southeast coast of South Africa: information on moult and migratory status

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Anthony J Tree --- Port Alfred, South Africa Maëlle Connan --- Department of Zoology, Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa Philip A Whittington --- Department of Zoology, South Africa

Determining the migratory status of seabird populations is crucial for addressing conservation concerns. The Roseate Tern Sterna dougallii is considered endangered in South Africa in view of its small breeding population and the threats to eggs and chicks. Earlier works...

View item »
Identification of land predators of African Penguins Spheniscus demersus through post-mortem examination

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ralph ET Vanstreels --- Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa Nola J Parsons --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Cuan McGeorge --- Stony Point Nature Reserve, South Africa Renata Hurtado --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Katrin Ludynia --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Lauren Waller --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Monique Ruthenberg --- Hottentots Holland Nature Reserve, South Africa Arne Purves --- Environmental Management Department, Transport and Urban Development Authority, South Africa Lorien Pichegru --- Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa Pierre A Pistorius --- Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa

The African Penguin Spheniscus demersus is an endangered seabird endemic to southern Africa, and killing sprees by terrestrial predators have been one of the main threats for its mainland colonies. The methods employed to manage predators may differ depending on...

View item »
Innovation financing and public policy dilemmas in the Economic Community of West African States (ECOWAS)

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joseph Ato Forson --- Department of Banking and Finance, Ghana

As part of efforts to change the structure of economies in sub-Saharan Africa from agrarian dominated to a more diversified one that will add value to exports and create more job opportunities, countries in the region have intensified strategies through...

View item »
Usage of digital resources in Civil Technology: A case of teaching Tools and Equipment

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Thokozani Isaac Mtshali --- Department of Mathematics, Science and Technology Education, South Africa Sylvia Manto Ramaligela --- Department of Mathematics, Science and Technology Education, South Africa Moses Makgato --- Department of Technology and Vocational Education, South Africa

The digital world is increasingly penetrating the education space, with digital technology gradually being used as a vehicle to deliver educational knowledge and skills in new and innovative ways. The need for technical teacher’s development in using digital resources as...

View item »
Some identities involving Appell polynomials

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Miloud Mihoubi --- USTHB, Faculty of Mathematics, RECITS Laboratory, Algeria Said Taharbouchet --- USTHB, Faculty of Mathematics, RECITS Laboratory, Algeria

In this paper, by the classical umbral calculus method, we establish identities involving the Appell polynomials and extend some existing identities.

View item »
Inflammatory activity and academic performance in university students

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bianca Lee Thomas (neé Negrao) --- Department of Human Anatomy and Physiology, South Africa Priyesh Bipath --- Department of Physiology, School of Medicine, South Africa Margaretha Viljoen --- Department of Psychiatry, School of Medicine, South Africa

This study aimed to assess inflammatory levels in first year university students and to determine whether associations exist between pro-inflammatory biomarker levels and academic performance. Inflammatory activity was assessed by urinary neopterin-to-creatinine ratios in 180 students attending a large South...

View item »
Breeding ecology of the Andalusian Buttonquail Turnix sylvaticus sylvaticus

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Carlos Gutiérrez-Expósito --- Departamento de Biología de la Conservación, Estación Biológica de Doñana-CSIC, Spain Ruth García-Gorria --- Ibn Khaldoun 1, El Jadida, Morocco Abdeljebbar Qninba --- Laboratoire de Géo-Biodiversité et Patrimoine Naturel (GEOBIO), Institut Scientifique, Morocco Miguel Clavero --- Departamento de Biología de la Conservación, Estación Biológica de Doñana-CSIC, Spain Eloy Revilla --- Departamento de Biología de la Conservación, Estación Biológica de Doñana-CSIC, Spain

Understanding the breeding cycle of wildlife is essential to afford conservation strategies. This is especially important for barely studied species and urgent for those at serious risk of extinction. The Andalusian Buttonquail is an endangered endemic of the Western Mediterranean,...

View item »
A community-based HIV counselling and testing programme found a decreasing proportion of new HIV testers in South Africa

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Simukai Shamu --- Foundation for Professional Development, South Africa Thato Farirai --- Foundation for Professional Development, South Africa Jean Slabbert --- Foundation for Professional Development, South Africa Geoffrey Guloba --- Foundation for Professional Development, South Africa Nomea Masihleho --- USAID, South Africa Julius Kamera --- USAID, South Africa Nkhensani Nkwashu --- Foundation for Professional Development, South Africa

This article assesses the history of HIV testing among community-based HIV counselling and testing (CBCT) clients between 2014 and 2018 in 13 South African districts. Consenting clients were tested for HIV and interviewed to categorise as first-time testers or repeat...

View item »
Dispositions of agency as explanatory mechanisms of employees’ satisfaction with retention practices

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Khatoon Gani --- Department of Human Resource Management, South Africa Ingrid Potgieter --- Department of Human Resource Management, South Africa Melinde Coetzee --- Department of Industrial and Organisational Psychology, South Africa

This study explored the explanatory power of psychological dispositions of agency (i.e. employability attributes and organisational commitment) in relation to employees’ satisfaction with organisational retention practices. Participants were a convenience sample of employees from a higher education academic institution in...

View item »
A comparison of aquatic macroinvertebrate and large branchiopod community composition between temporary pans of a conservation area and surrounding communal area in South Africa

Item type: Journal Article • Journal: African Zoology • Authors: T Dube --- Animal Ecology, Global Change and Sustainable Development, Belgium L de Necker --- Water Research Group, School for Biological Sciences, South Africa V Wepener --- Water Research Group, School for Biological Sciences, South Africa NJ Smit --- Water Research Group, School for Biological Sciences, South Africa T Pinceel --- Animal Ecology, Global Change and Sustainable Development, Belgium GN Mwaijengo --- Animal Ecology, Global Change and Sustainable Development, Belgium P Lemmens --- Laboratory of Aquatic Ecology, Evolution and Conservation, Belgium L Brendonck --- Animal Ecology, Global Change and Sustainable Development, Belgium

Although temporary wetlands are often biodiversity hotspots that deliver multiple ecosystem services, they are also threatened by human exploitation. We conducted a comparative field study to investigate the impact of reserve protection on the diversity and community structure of aquatic...

View item »
Using stable δ¹³C and δ¹⁵N isotopes to assess foodweb structures in an African subtropical temporary pool

Item type: Journal Article • Journal: African Zoology • Authors: L de Necker --- Water Research Group, Unit for Environmental Sciences and Management, South Africa A Manfrin --- Environmental Campus Birkenfeld, Germany Y Ikenaka --- Water Research Group, Unit for Environmental Sciences and Management, South Africa M Ishizuka --- Laboratory of Toxicology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Japan L Brendonck --- Water Research Group, Unit for Environmental Sciences and Management, South Africa JHJ van Vuren --- Water Research Group, Unit for Environmental Sciences and Management, South Africa B Sures --- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), Germany V Wepener --- Water Research Group, Unit for Environmental Sciences and Management, South Africa NJ Smit --- Water Research Group, Unit for Environmental Sciences and Management, South Africa

Southern Africa has one of the highest densities of temporary pools and some of the most understudied temporary wetlands in the world. Additionally, the eastern African annual killifishes (Nothobranchius spp.) are rare in southern Africa and found exclusively in temporary...

View item »
Contrasting patterns in the abundance of fish communities targeted by fishers on two coral reefs in southern Mozambique

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Sancelme --- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Australia J Goetze --- Global FinPrint Project, Australia S Jaquemet --- Université de La Réunion, UMR 9220 ENTROPIE [Tropical Marine Ecology Laboratory], Réunion MG Meekan --- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Australia A Flam --- Marine Megafauna Foundation, Marine Megafauna Research Center, Mozambique AM Watts --- Marine Megafauna Foundation, Marine Megafauna Research Center, Mozambique CW Speed --- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Australia

Coastal populations of maritime countries in eastern Africa rely on fish as a primary source of protein, but baseline information on the abundance of fish communities on these coastlines is often lacking. We used baited remote underwater video stations to...

View item »
Nematode assemblages and soil microbial communities in soils associated with glyphosate-resistant soybean

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Chantelle Girgan --- Nematology Unit, Biosystematics Division, Agricultural Research Council-Plant Health and Protection, South Africa Sarina Claassens --- Unit for Environmental Sciences and Management, South Africa Hendrika Fourie --- Unit for Environmental Sciences and Management, South Africa

The introduction of genetically modified glyphosate-resistant (GR) crops led to increased use of glyphosate, with potential long-term effects on biological soil communities. Abundance and diversity of plant-parasitic and non-parasitic nematodes, as well as microbial community structure in the rhizosphere of...

View item »
SPECIAL ISSUE: Science, technology and eco-innovation diffusion for sustainable management of natural resources

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kokouvi Edem N’Tsoukpoe --- Laboratoire Énergies Renouvelables et Efficacité Énergétique (LabEREE), Burkina Faso Mariam Sou Dakoure --- Laboratoire Eaux Hydro-Systèmes et Agriculture (LEHSA), Burkina Faso Hamma Yacouba --- Laboratoire Eaux Hydro-Systèmes et Agriculture (LEHSA), Burkina Faso

View item »
Thermal stability of a vegetable oil-based thermal fluid at high temperature

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Aboubakar Gomna --- Laboratoire Énergies Renouvelables et Efficacité Énergétique (LabEREE), Burkina Faso Kokouvi Edem N’Tsoukpoe --- Laboratoire Énergies Renouvelables et Efficacité Énergétique (LabEREE), Burkina Faso Nolwenn Le Pierrès --- LOCIE, France Yézouma Coulibaly --- Laboratoire Énergies Renouvelables et Efficacité Énergétique (LabEREE), Burkina Faso

Synthetic and mineral oils are widely used in high temperature processes (above 200°C) as heat transfer fluids or thermal storage materials. Mineral oils are essentially derived from petroleum that is depleting and synthetic oils are expensive. Furthermore, these oils are...

View item »
Comparative methods for predicting cyanide pollution in artisanal small-scale gold mining catchment by using logistic regression and kriging with GIS

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: L. C. Razanamahandry --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso P. M. Digbeu --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso H. A. Andrianisa --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso H. Karoui --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso J. Podgorski --- Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Switzerland E. Manikandan --- UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories (U2AC2N), College of Graduate Studies, South Africa M. Maaza --- UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories (U2AC2N), College of Graduate Studies, South Africa H. Yacouba --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso

It has been reported that persistent cyanide pollution occurs in artisanal small-scale gold mining (ASGM) catchment areas in Burkina Faso. In the present study, logistic regression (LR) and Regression Kriging (RK) methods were applied to predict cyanide pollution hazard at...

View item »
Assessment of vulnerability to groundwater pollution in Department of Odienné (North-West Côte d’Ivoire)

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oi Mangoua Jules Mangoua --- Laboratory of Environmental Sciences and Technologies, Côte d’Ivoire Kouamé Auguste Kouassi --- Laboratory Geosciences and Environment, Côte d'Ivoire Williams Francis Kouassi --- Laboratory Geosciences and Environment, Côte d'Ivoire Gountôh Aristide Douagui --- Laboratory Geosciences and Environment, Côte d'Ivoire Issiaka Savane --- Laboratory Geosciences and Environment, Côte d'Ivoire Jean Biemi --- Laboratory of Sciences and Techniques of Water and Environment, Côte d'Ivoire

Drinking water supply to populations is increasingly oriented towards the exploitation of groundwater whose quality meets WHO standards. However, groundwater is subjected to a pollution phenomenon of anthropogenic origin due to agro-industrial and mining operations that alter water quality. The...

View item »
Blackwater processing via vermifiltration: Worm-based toilet (wormlet) in the arid context of Burkina Faso

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mougabe Koslengar --- Laboratoire Eaux Hydro-systèmes et Agriculture (LEHSA), Burkina Faso Yacouba Konate --- Laboratoire Eaux Hydro-systèmes et Agriculture (LEHSA), Burkina Faso Harouna Karambiri --- Laboratoire Eaux Hydro-systèmes et Agriculture (LEHSA), Burkina Faso

In Burkina Faso, faecal sludge is mostly discharged into the environment untreated, with associated public health risks. Thus, sanitation technology that efficiently treats Blackwater (BW) in-situ is urgently required. This paper reports the design and testing of a proposed worm-based...

View item »
Optimization of the production and storage of cold in a mechanical compression solar refrigerator

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adingra Paul Arsène Kouassi --- Laboratoire d’Energie Solaire, Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie, Côte d’Ivoire Siaka Touré --- Laboratoire d’Energie Solaire, Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie, Côte d’Ivoire Wanignon Ferdinand Fassinou --- Laboratoire d’Energie Solaire, Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie, Côte d’Ivoire

Design, optimization and realization of high-performance photovoltaic systems are topical issues. Especially in photovoltaic solar refrigeration machines, the cost and the lifetime of electrochemical batteries limit the development of these systems in places well served by solar radiation. The objective...

View item »
Growth and metabolism of Clarias gariepinus (Burchell, 1822) fed with copepods (Eucyclops sp.) exposed to lead and titanium dioxide nanoparticles

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MM Matouke --- , Nigeria MK Mustapha --- , Nigeria

The increasing uses of lead (Pb2+) and titanium dioxide nanoparticles (nTiO2) in commercial products have led totheir increased discharge into aquatic environments. This study investigated the effects of the interaction betweennTiO2 and lead (Pb2+) in a simple freshwater food web...

View item »
Status and population structures of three anthelmintic tree species along climatic gradient in Benin and the implications for conservation

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Géorcelin G Alowanou --- , Bénin Thierry D Houéhanou --- , Bénin Sylvanus Mensah --- , Bénin Bénoit K Alissou --- , Bénin Carlos C Ahoyo --- , Bénin Rauldin S Akpako --- , Bénin Faroukou Wabi --- , Bénin Marcel RB Houinato --- , Bénin Sylvie M Hounzangbé-Adoté --- , Bénin

Smallholder farmers make intensive use of anthelmintic plant species in the traditional treatment of animal parasitic infections. As a result, populations of these plant species are exposed to increased disturbances such as plant harvesting, threatening their stability. Information on population...

View item »
PMTCT Option B+ 2012 to 2018 — Taking stock: barriers and strategies to improve adherence to Option B+ in urban and rural Uganda

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rachel King --- , USA Joyce Namale Matovu --- , Uganda Joseph Rujumba --- , Uganda Priscilla Wavamunno --- , Uganda Alexander Amone --- , Uganda Grace Gabagaya --- , Uganda Mary Glenn Fowler --- , Uganda Jaco Homsy --- , Uganda Janet Seeley --- , UK Philippa Musoke --- , Uganda

Since 2012, PMTCT Option B+ has been recommended by the World Health Organization to reduce vertical transmission but numerous adherence challenges remain. We conducted a qualitative study at baseline using six focus group discussions and 14 in-depth interviews to explore...

View item »
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 --- , USA

We 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...

View item »
The trade in the endangered African Grey Parrot Psittacus erithacus and the Timneh Parrot Psittacus timneh in Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sadek Atoussi --- , Algeria Daniel Bergin --- , United Kingdom Imane Razkallah --- , Algeria Vincent Nijman --- , United Kingdom Mouslim Bara --- , Algeria Zihad Bouslama --- , Algeria Moussa Houhamdi --- , Algeria

The global wildlife trade is considered one of the main threats to the conservation of a large number of imperilled species. African Grey parrots are one of the most heavily traded groups of birds, which led the International Union for...

View item »
On a collision course? The large diversity of birds killed by wind turbines in South Africa

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: V Perold --- , South Africa S Ralston-Paton --- , South Africa P Ryan --- , South Africa

Wind energy is a clean, renewable alternative to fossil fuel-derived energy sources, but many birds are at risk from collisions with wind turbines. We summarise the diversity of birds killed by turbine collisions at 20 wind energy facilities (WEFs) across...

View item »
Negative centralisation of HIV/AIDS trauma and health-related quality of life: do post-traumatic stress symptoms explain the link?

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Desmond Uchechukwu Onu --- , Nigeria Steven Kator Iorfa --- , Nigeria Dorothy I Ugwu --- , Nigeria

Over-integration of HIV-related trauma into the client’s memory in a negative emotional valence could be a serious health debilitating process which may result in negative post-traumatic health outcomes, affecting health-related quality of life (HRQoL) of people living with HIV (PLWH)...

View item »
Regression plateau for plot size estimation with ‘Gigante’ forage cactus pear

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Bruno Vinícius Castro Guimarães --- , Brazil Sérgio Luiz Rodrigues Donato --- , Brazil Ignacio Aspiazú --- , Brazil Alcinei Místico Azevedo --- , Brazil Abner José de Carvalho --- , Brazil

‘Gigante’ cactus pear (Opuntia ficus indica Mill. cv. Gigante) is a forage crop grown under semi-arid climates and because of its’ resilience to water-limiting conditions it can produce a high biomass yield. The objective of this study was to estimate...

View item »
Mixed-species plantations of Eucalyptus and Acacia mangium increase labile carbon and phosphorus levels in Ferralsol soils in the Cerrado biome, Brazil

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Wilbert Valkinir Cabreira --- , Brazil Marcos Gervasio Pereira --- , Brazil Fabiano de Carvalho Balieiro --- , Brazil Eduardo da Silva Matos --- , Brazil Renato de Aragão Ribeiro Rodrigues --- , Brazil Raissa Nascimento dos Santos --- , Brazil

In order to clarify the effect of mixed planting in the dynamics of phosporus (P), we assessed the fractions of this element in mixed plantings of Eucalyptus urophylla × E. grandis (Urograndis) and Acacia mangium in a tropical soil clay,...

View item »
Assessing wetland functionality using soil surface indicators in Letšeng- la-Letsie wetland in Quthing District, Lesotho

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Nthuseng Kahlolo --- , Lesotho Botle Mapeshoane --- , Lesotho Peter Chatanga --- , Lesotho Lerato Seleteng-Kose --- , Lesotho Makoala V Marake --- , Lesotho

Wetlands are globally valuable ecosystems as they provide many important services to the human society, yet the ecology of some of them is yet to be understood. This study assessed the functionality of Letšeng-la-Letsie wetland in Lesotho, using the Landscape...

View item »
Fibonacci numbers which are concatenations of two repdigits

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Adel Alahmadi --- , Saudi Arabia Alaa Altassan --- , Saudi Arabia Florian Luca --- , South Africa Hatoon Shoaib --- , Saudi Arabia

We show that the only Fibonacci numbers that are concatenations of two repdigits are 13, 21, 34, 55, 89, 144, 233, 377.

View item »
Procedural justice, police legitimacy, and performance: Perspectives of South African students

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Paul Oluwatosin Bello --- , South Africa Thabiso Donald Matshaba --- , South Africa

This study explored notions of procedural justice and police legitimacy among university students in South Africa. We surveyed 482 South African university students (female =77.6%; black = 91.7%; mean age = 23.0 years, SD = 1.05 years) on the effect...

View item »
Responding to COVID-19: Insights from African firms

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Rebecca Namatovu --- , Denmark Marcus M. Larsen --- , Denmark

The severity of the COVID-19 pandemic is underscored by its systemic distortion of socioeconomic and political agendas around the world. It has disproportionately affected fragile states, and has exposed economies with inefficient safety nets. In this article, we contend that...

View item »
Racialized social class work: Making sense of inequality in South Africa during the COVID-19 lockdown

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Jenny M. Hoobler --- , South Africa Kim E. Dowdeswell --- , South Africa Lerato Mahlatji --- , South Africa

COVID-19 lockdowns are happening in almost all societies across the globe, but in South Africa the lockdown is occurring in one of the most unequal societies in the world and in the socio-historic racial context of post-apartheid. Using this extreme...

View item »
INTRODUCTION TO THE SPECIAL ISSUE: Preliminary investigations into the COVID-19 pandemic and management in Africa

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses Acquaah --- , USA Rebecca Namatovu --- , Denmark Moses N. Kiggundu --- , Canada

The COVID-19 pandemic and the resulting lockdowns and restrictions taken by African governments to mitigate the spread of the virus have adversely affected the lives of people, health systems, organizations, society, and national economies. In this special issue, we take...

View item »
Modelling continental range shift of the African elephant (Loxodonta africana) under a changing climate and land cover: implications for future conservation of the species

Item type: Journal Article • Journal: African Zoology • Authors: Sintayehu W Dejene --- , Ethiopia Kudzai S Mpakairi --- , Rajapandian Kanagaraj --- , Germany Yussuf A Wato --- , Kenya Sewnet Mengistu --- , Ethiopia

Climate and land use change are anticipated to alter the distribution of wildlife, due to their impact on the quantity and quality of forage availability, water cycle, as well as competition for key resources. Using an ensemble of species distribution...

View item »
Psychometric validation of the centrality of events scale in a Nigerian clinical sample

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leonard Ifeanyichukwu Ugwu --- , Nigeria Desmond Uchechukwu Onu --- , Nigeria Ebele Evelyn Nnadozie --- , Nigeria Steven Kator Iorfa --- , Nigeria

We sought to validate the Centrality of Event Scale (CES) in a Nigerian clinical sample of people living with HIV/ ADS. Our sample consisted of 869 people living with HIV/AIDS. They completed the CES, the Posttraumatic Stress Disorder (PTSD) Checklist...

View item »
Translanguaging strategies in multimodality and audiovisual translation

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Renato Tomei --- , Italy Rajendra Chetty --- ,

Translanguaging practices are firmly embedded in South African communication practices given the country’s high levels of linguistic diversity. This approach represents a challenge to the institutional and educational system in the current decolonial discourse where English serves as the dominant...

View item »
Exploring the attitudes of isiZulu first language students towards learning Sepedi as an additional language at university level

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Getrude N Mbatha --- , South Africa Itani P Mandende --- , South Africa Christopher Rwodzi --- , South Africa Moshidi M Makgato --- , South Africa

A significant number of isiZulu first language students enrolled for the Language Practice course at Tshwane University of Technology in Soshanguve. Considering the linguistic diversity of South Africa, plurality of cultures and the different roles played by languages, this university...

View item »
Carbon production from seasonal litterfall in the Brazilian Atlantic Forest

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Greyce CB Maas --- , Brazil Carlos R Sanquetta --- , Brazil Renato Marques --- , Brazil Sebastião do A Machado --- , Brazil Mateus NI Sanquetta --- , Brazil Ana Paula D Corte --- , Brazil Iara M Barberena --- , Brazil

Forests play an important role in climate change, acting as a source or sink of carbon. There is, however, a lack of data regarding the carbon production from litterfall in tropical forests. The Atlantic Forest is one of the most...

View item »
Low acceptance of intimate partner violence by pregnant women in Uganda predicts higher uptake of HIV self-testing among their male partners

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Caroline J Vrana-Diaz --- , USA Jeffrey E Korte --- , USA Mulugeta Gebregziabher --- , USA Lauren Richey --- , USA Anbesaw Selassie --- , USA Michael Sweat --- , USA Rose Kisa --- , Uganda William Musoke --- , Uganda Harriet Chemusto --- , Uganda Esther Buregyeya --- , Uganda Joseph KB Matovu --- , Uganda Rhoda K Wanyenze --- , Uganda

Introduction: Heterosexual couples are at high risk for HIV acquisition in sub-Saharan Africa, and HIV self-testing (HST) is an additional approach to expand access to HIV testing services. However, it is not well known how gender equality is associated with...

View item »
Decolonising and Africanising the Spanish studies curriculum under emergency online teaching: introducing Equatorial Guinean literature in South African higher education

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nereida Ripero-Muñiz --- , South Africa Thato Senabe --- , South Africa Musa Maseko --- , South Africa Yolanda Reigadas --- , South Africa

This is a reflective piece that explores the process of creating and implementing a new course at the University of the Witwatersrand on the literature of Equatorial Guinea under emergency online teaching that took place in 2020 due to the...

View item »
The role of external information sources in organizational innovation in Nigeria

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: David Adeyeye --- , Nigeria Adekemi Oluwadare --- , Nigeria Omolayo Oluwatope --- , Nigeria

Traditionally, the focus of strategic management studies has been on technological innovation. However, recent studies have shown rising importance of non-technological innovation to firms’ productivity, especially in developing country contexts. One limitation in empirical firm innovation analyses this study attempts...

View item »
Charcoal heaps volume estimation based on unmanned aerial vehicles

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Luiza Marina Esteves de Carvalho --- , Brazil Alessandra Melo --- , Brazil Glauco José de Matos Umbelino --- , Brazil Jan-Peter Mund --- , Germany Jhonathan Gomes dos Santos --- , Brazil Jacqueline Rosette --- , United Kingdom Daniel Silveira --- , São Paulo Eric Bastos Gorgens --- , Brazil

The charcoal stock in a forestry business is controlled based on the theoretical capacity of the masonry ovens (input) and shipped trucks (output). During the year, the company must monitor the stock for accountability reports and internal governance. This paper...

View item »
Recruitment managers’ emotional intelligence and employment discrimination against people living with HIV/AIDS: The mediating role of stigma

Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Michael A. Ofili --- , South Africa Erhabor S. Idemudia --- , South Africa Babatola D. Olawa --- , South Africa

This study examined the mediating role of stigma on relationship between emotional intelligence (EI) and employment discrimination against people living with HIV/AIDS (PLWHA). Participants included 1 112 recruitment managers (female = 49%, senior managers = 68%) drawn from both private...

View item »
Social protection intervention and agricultural participation in West Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Romanus Osabohien --- , Nigeria Isaiah Olurinola --- , Nigeria Oluwatoyin Matthew --- , Nigeria Daniel E. Ufua --- , Nigeria

This study contributes towards the achievement of the United Nations (UN) 2030 Sustainable Development Goal (SDG) 1.3 which is to ‘implement appropriate social protection for all to mitigate risk and vulnerability’ by examining how social protection interventions contribute to agricultural...

View item »
A study on e-commuting: Alleviating technical and mobility threats in a BYOD-enabled banking environment in Nigeria

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lizzy Oluwatoyin Ofusori --- , South Africa Prabhakar Rontala Subramaniam --- , South Africa

Information flow has increased significantly due to globalization and technological advancement, which has resulted in Bring Your Own Device (BYOD). This phenomenon has necessitated all sectors to adapt to the changes and align themselves with technology in order to maximize...

View item »
The effect of rainbow trout (Oncorhynchus mykiss) invasions on native fish communities in the subtropical Blyde River, Mpumalanga province, South Africa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Lerato T Maimela --- , South Africa Christian T Chimimba --- , South Africa Tsungai A Zengeya --- , South Africa

This study investigated the effects of rainbow trout (Oncorhynchus mykiss) invasion on native fish communities in the upper Blyde River catchment. A fish survey was undertaken between September 2017 and October 2018 from 11 sites in the Blyde and Treur...

View item »
The concept of lekhala and its limitations in understanding the genus aloe in Lesotho

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Lerato Seleteng-Kose --- , Lesotho Khotso Kobisi --- , South Africa Ketlalemang Clement Maimane --- , Lesotho Annah Moteetee --- , Lesotho

The limitations of using vernacular names over scientific ones in relation to flora and fauna have long been discussed by different authors worldwide. A similar observation has been made in Lesotho, a country in southern Africa, with its inhabitants, the...

View item »
Theory of ethnicity and its utility in understanding the basis of cultural homogeneity of African societies: the case of Sotho groups

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Thato Mabolaeng Monyakane --- , South Africa

The Basotho, Batswana and Bapedi are found in many parts of southern Africa and appear as dissimilar groups that do not have a common heritage or any shared links. The Batswana are from the North West province in South Africa...

View item »
Factors associated with poor access to HIV and sexual and reproductive health services in Nigeria for women and girls living with HIV during the COVID-19 pandemic

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Morenike Oluwatoyin Folayan --- Obafemi Awolowo University, Nigeria Olujide Arije --- Institute of Public Health, College of Health Sciences, 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 Veronica Akwenabuaye Undelikwo --- University of Calabar, Nigeria Pamela Adaobi Ogbozor --- Enugu State University of Science and Technology, Nigeria Oluwaranmilowo Amusan --- , Nigeria Oluwatoyin Adedoyin Alaba --- Indiana University of Pennsylvania, USA Erik Lamontagne --- , Switzerland

Aim: To determine the proportion of women and girls living with HIV (WGLHIV) who had poor access to HIV, tuberculosis and sexual and reproductive health (SRH) services in Nigeria during the COVID-19 pandemic and associated factors.

View item »
Wood extraction performance with a farm tractor in a mountainous region of Brazil: cycle time, productivity and costs of two different work crews

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rafael Oliveira Brown --- , Brazil Kauê Augusto Oliveira-Nascimento --- , Brazil Renato César Gonçalves Robert --- , Brazil Daniel DeArmond --- , Brazil

Harvesting is a complex and expensive step within forestry operations. In mountainous terrain timber harvesting is complex due to the risks and limitations that the terrain imposes on traditional forms of wood extraction. The objective of this study was to...

View item »
Signalling of internal audit effectiveness

Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Jabile Brenda Pooe --- , South Africa Karin Barac --- , South Africa Kato Plant --- , South Africa Blanche Steyn --- , South Africa

The internal audit function is increasingly recognised as an important internal governance mechanism and consequently factors that contribute to its effectiveness are now an area of great interest to researchers and practitioners. This study draws on signalling theory to fill...

View item »
South African citizens’ self-assessed knowledge about the fourth industrial revolution

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matolwandile Mzuvukile Mtotywa --- , South Africa Mankodi Moitse --- , South Africa Modjadji Alidia Seabi --- , South Africa

This study assessed the levels of knowledge of South African citizens about the fourth industrial revolution (4IR) to determine how organizations can assimilate the implications of 4IR to leapfrog the development of the country. The findings show that knowledge was...

View item »
Aspects of the nonbreeding ecology of the Tree Pipit Anthus trivialis in and around Amurum Forest Reserve, Jos Plateau, Nigeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Taiwo A Adams --- University of Jos Biological Conservatory, Nigeria Samuel T Ivande --- University of Jos Biological Conservatory, Nigeria Mark Wilson --- , United Kingdom

To advance our knowledge about the nonbreeding ecology of the Tree Pipit Anthus trivialis, this study investigated its population dynamics, habitat utilisation and foraging behaviour, from October to December 2018, in and around the Amurum Forest Reserve, located in the...

View item »
Some notes on the paper “On best proximity points of interpolative proximal contractions”

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Gabeleh --- Ayatollah Boroujerdi University, Iran J. Markin --- , USA

In a recent paper [I. Altun and A. Tasdemir, On best proximity points of interpolative proximal contractions, Quaestiones Math. (2020), DOI: 10.2989/16073606.2020.1785576] the authors proved two best proximity point theorems for a new class of non-self mappings, called interpolative Reich-Rus-Ćirić...

View item »
Natural recolonisation of sub-Antarctic Marion Island by Common Diving Petrels Pelecanoides urinatrix

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Maëlle Connan --- Marine Apex Predator Research Unit (MAPRU), Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Stefan Schoombie --- Marine Apex Predator Research Unit (MAPRU), Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Janine Schoombie --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa Ben Dilley --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa Peter G Ryan --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa

Nocturnal burrow-nesting seabirds are notoriously difficult to study and can go unnoticed for years in remote areas. One of these species is the Common Diving Petrel Pelecanoides urinatrix, which has a circumpolar breeding distribution in the Southern Ocean, including at...

View item »
Height growth strategies of Mimosa scabrella along a chronosequence

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vinicius Costa Cysneiros --- Federal University of Paraná, Brazil Sebastião do Amaral Machado --- Federal University of Paraná, Brazil Allan Libanio Pelissari --- Federal University of Paraná, Brazil Edilson Urbano --- State University of Mato Grosso do Sul, Aquidauana University Unit, Brazil

Assessing variations in tree allometry is useful for understanding height growth strategies in relation to life-history trajectories, light competition and environmental restrictions. Scaling exponent and asymptotic heights obtained from height–diameter (HD) models may elucidate how trees optimise growth strategies and...

View item »
The effects of COVID-19 on food insecurity, financial vulnerability and housing insecurity among women and girls living with or at risk of HIV in Nigeria

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Erik Lamontagne --- , Switzerland 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 Veronica Akwenabuaye Undelikwo --- University of Calabar, Nigeria Pamela Adaobi Ogbozor --- Enugu State University of Science and Technology, Nigeria Oluwaranmilowo Amusan --- Obafemi Awolowo University, Nigeria Oluwatoyin Adedoyin Alaba --- Obafemi Awolowo University, Nigeria

Aim : Women and girls living with or at high risk of acquiring HIV (WGL&RHIV) in Africa are economically vulnerable. This study aims to advance understanding of the economic impact of COVID-19 on WGL&RHIV and to identify the factors associated...

View item »
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 --- , Switzerland

Aim : 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...

View item »
Assessment of the acoustic change in heat-treated Pinus elliottii and Bertholletia excelsa wood from homogeneous plantations in Brazil

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Daiana Sousa de Jesus --- Federal Rural University of Rio de Janeiro, Brazil Jonnys Paz Castro --- Federal Rural University of Rio de Janeiro, Brazil Taiane Guedes --- Universidade Federal de Lavras, Brazil José Reinaldo Moreira da Silva --- Universidade Federal de Lavras, Brazil João Vicente de Figueiredo Latorraca --- Federal Rural University of Rio de Janeiro, Brazil Alexandre Miguel do Nascimento --- Federal Rural University of Rio de Janeiro, Brazil

Heat treatment has been used in wood to improve its technological properties, but due to the complex nature of wood, it is necessary to carry out analyses to confirm the changes, and also to investigate which temperatures and protocols are...

View item »
Empirical analysis of innovation and productivity in services firms: The case of South Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Atoko Kasongo --- Centre for Science Technology and Innovation Indicators, Human Science Research Council, South Africa Moses Sithole --- Centre for Science Technology and Innovation Indicators, Human Science Research Council, South Africa Yasser Buchana --- Centre for Science Technology and Innovation Indicators, Human Science Research Council, South Africa

The purpose of this paper is to investigate the impact of innovation on productivity in the services sector firms in South Africa. Using a three-stage econometric model we find that service sector firms are innovative. We show that firm size,...

View item »
Poverty and HIV/AIDS in South Africa: an empirical contribution

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lerato Sonia Tladi --- Demography Section of the Social Aspect of HIV/AIDS (SAHA) Research Programme, Human Sciences Research Council,

This study sets out to establish and explain the empirical link between HIV/AIDS and poverty using data collected by the 1998 South African Demographic and Health Survey (SADHS). Analysis is restricted to women of reproductive age (15 – 49 years)...

View item »
Evaluation of the Nigerian national antiretroviral (ARV) treatment training programme

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E Oni Idigbe --- Nigerian Institute of Medical Research (NIMR), Oluwole Odutolu --- World Bank/UNAIDS Global HIV/AIDS Monitoring and Evaluation Team (GAMET) and Harvard PEPFAR, Nigeria Prosper Okonkwo --- Harvard School of Public Health's President's Emergency Plan for AIDS Relief, Nigeria Morenike Folayan --- Department of Child Dental Health, Obafemi Awolowo University, Rosemary Audu --- University of Lagos, Nigeria Osagbemi Makanjuola --- Department of Geography and Planning, University of Jos, Nigeria Charles BR Uwakwe --- Department of Guidance and Counselling, University of Ibadan, Nigeria Oluwatoyin Jolayemi --- AIDS Prevention Initiative Nigeria (APIN),

There is an understanding that greater availability of HIV treatment for the 40.3 million people currently infected with HIV is a humanitarian imperative that could prolong the lives of millions, restore economic productivity, and stabilise societies in some of the...

View item »
Sexual behaviour and condom use among university students in Madagascar

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Onja Holisoa Rahamefy --- Research and Training Laboratory of Medical Biology, Faculty of Medicine, University of Antananarivo, Michèle Rivard --- Department of Social and Preventive Medicine, University of Montreal, Madeleine Ravaoarinoro --- Department of Microbiology and Immunology, University of Montreal, Lala Ranaivoharisoa --- Faculty of Medicine, University of Antananarivo, Andriamiliharison Jean Rasamindrakotroka --- Faculty of Medicine, University of Antananarivo, Richard Morisset --- Faculty of Medicine, University of Montreal,

Although the number of known HIV-infected students in Madagascar increased significantly between 1989 and 1995, very little is known about student behaviour with regard to AIDS. The study objectives were: to describe Malagasy students' sexual behaviour and condom use; to...

View item »
‘Clinics aren't meant for men’: Sexual health care access and seeking behaviours among men in Gauteng province, South Africa

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jami S Leichliter --- Division of STD Prevention, US Centers for Disease Control & Prevention, Gabriela Paz-Bailey --- Del Valle University, Allison L Friedman --- Behavioral Interventions & Research Branch in the Division of STD Prevention, US Centers for Disease Control & Prevention, Melissa A Habel --- Behavioral Interventions and Research Branch, Centers for Disease Control & Prevention in the Division of STD Prevention, Alex Vezi --- Sexually Transmitted Infections Reference Centre at the National Institute for Communicable Diseases, National Health Laboratory Service, South Africa Martha Sello --- STI Reference Centre of the National Institute for Communicable Diseases, South Africa Thato Farirai --- CDC GAP, South Africa David A Lewis --- Sexually Transmitted Infections Reference Centre at the National Institute for Communicable Diseases, National Health Laboratory Service, South Africa

Men may be key players in the transmission of sexually transmitted infections (STI), and it is important that STI/HIV health services reach men. The objective of this study was to explore sexual health care access and seeking behaviours in men...

View item »
Appraisal of the inherent socio-demographic dynamics of HIV/AIDS epidemic in four districts of South-Western Uganda

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E. Agwu --- Tropical Disease Research Unit, Department of Medical Microbiology & Parasitology, Faculty of Biomedical Sciences, School of Health Sciences, Kampala International University, Western Campus, Republic of Uganda V. Pazos --- Tropical Disease Research Unit, Department of Medical Microbiology & Parasitology, Faculty of Biomedical Sciences, School of Health Sciences, Kampala International University, Western Campus, Republic of Uganda J. C. Ihongbe --- Department of Medical Laboratory Sciences, Faculty of Basic Medical Sciences, College of Medicine, Ambrose Alli University, Nigeria J. Ssengendo --- Social Sciences Research Division, Directorate of Postgraduate Studies and Research, Kampala International University, Uganda

Although HIV prevalence in Uganda is much lower than it once was, AIDS is still claiming many lives each year with clear signs of escalating rural epidemics. The objective of this study was to appraise the socio-economic and demographic dynamics...

View item »
Qualitative evaluation of selected social factors that impact sexual risk-taking behaviour among African students in Kwazulu-Natal, South Africa

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Ndumiso Daluxolo Ngidi --- , , South Africa Sibusiso Moyo --- , South Africa Thobile Zulu --- , , South Africa Jamila Khatoon Adam --- , South Africa Suresh Babu Naidu Krishna --- , South Africa

Background: The incidence of HIV and AIDS continues to be a source of great concern within universities in South Africa. Furthermore, university students constitute an important community in the intervention against the HIV/AIDS epidemic. Students in the age group of...

View item »
Attitudes and beliefs of immigrants regarding HIV and AIDS in Mopani district, South Africa

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lunic B. Khoza --- University of Venda, South Africa Hilda N. Shilubane --- University of Venda, South Africa Mygirl P. Lowane --- Sefako Makgato Health Sciences University, South Africa

Sub-Saharan Africa faces and is severely affected by many conflicts. Human Immunodeficiency Virus (HIV) and Acquired Immunodeficiency Syndrome (AIDS) threaten both the physical and financial well-being of individuals in these struggling countries. This research aims to investigate the immigrants’ attitudes...

View item »
THE COLLECTION OF BLOOD BY CARDIAC PUNCTURE FROM SURGICALLY ANAESTHETIZED SNAKES

Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: BILL BRANCH --- Atomic Energy Board,

View item »
Long‐term variation in reproductive traits of Bibron's agama, agama impalearis, in Western Morocco

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: M. Znari --- Cadi Ayyad University, Morocco E. El Mouden --- Cadi Ayyad University, Morocco H. Francillon‐Vieillot --- Université Denis Diderot Paris 7, Laboratoire d'Anatomie Comparée, France

Female reproductive characteristics (clutch size [CS], egg volume [EV] and egg mass [EM]) of Agama impalearis and their annual variation were studied over a six‐year period (1993–1998) in the central Jbilet mountains, Western Morocco. Females produced one to two clutches...

View item »
Participatory inventory and nutritional evaluation of local forage resources for smallholder free-range beef production in semi-arid areas of South Africa

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ayanda Nyambali --- University of Fort Hare, South Africa Julius T Tjelele --- Animal Production Institute, South Africa Mthunzi Mndela --- Animal Production Institute, South Africa Cletos Mapiye --- Stellenbosch University, South Africa Phillip Strydom --- Stellenbosch University, South Africa Emiliano Raffrenato --- Stellenbosch University, South Africa Kennedy Dzama --- Stellenbosch University, South Africa Voster Muchenje --- University of Fort Hare, South Africa Ntuthuko Mkhize --- Animal Production Institute, South Africa

Feed scarcity is a major challenge facing free-range beef farming in semi-arid areas. Specifically, low quality and quantity of forage in rangelands and higher feeding costs are the main constraints limiting smallholder free-range beef farmers’ participation in mainstream beef markets...

View item »
Thyroid paraganglioma – a rare entity

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: K Naidu --- Netcare Waterfall City Hospital, South Africa V Saksenberg --- Lancet Laboratories, South Africa MF Suliman --- Netcare Waterfall City Hospital, South Africa B Bhana --- Lancet Laboratories, South Africa

View item »
Roundtable review of Shola Adenekan's African Literature in the Digital Age (2021)Digital Afropolitan Futures

Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Amatoritsero Ede --- Mount Allison University,

View item »
Anuran diversity in a West African Valley

Item type: Journal Article • Journal: African Zoology • Authors: Houénafa Chrysostome Aimé Gansa --- Unit of Aquaculture Research and Fisheries Management (URAGeP), Laboratory of Fisheries and Animal Sciences (LaSAH), National University of Agriculture (UNA), Republic of Benin Hyppolite Agadjihouèdé --- University of Abomey-Calavi, Republic of Benin Mahugnon Benjamin Hounkanrin --- Unit of Aquaculture Research and Fisheries Management (URAGeP), Laboratory of Fisheries and Animal Sciences (LaSAH), National University of Agriculture (UNA), Republic of Benin

Anurans are subject to strong anthropic pressures in Benin, as in most of the West African countries, due to their socio-economic and environmental importance. To protect these organisms and to gather basic knowledge, an anuran biodiversity study was conducted in...

View item »
I’m betrayed and I’m gone – unless organizational leaders convince me otherwise: Perceived contract breaches, quitting intentions, and leader-related resources

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Dirk De Clercq --- Brock University, Canada Renato Pereira --- ISCTE Instituto Universitário de Lisboa, Portugal

Employees’ perceptions that their organization has not met its promises toward them (i.e., perceived contract breaches) might inform their turnover intentions, in a link that also could be moderated by four relevant leader-related resources – two that reflect how organizational...

View item »
Future-time markers in expressing English future time by Sesotho L1 speakers

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: 'Mat&scaron;itso Eugenia Morato-Maleke --- National University of Lesotho, Lesotho Francina Liako Moloi --- National University of Lesotho, Lesotho

The expression of future time in the English language seems to lack uniformity. The lack of consistency is influenced by speakers’ intentions, so these various ways of marking future time in English pose a challenge to second-language (L2) learners. Therefore,...

View item »
Time–frequency analysis of cryptocurrency attention

Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Zuzana Kučerová --- VSB-Technical University of Ostrava, Czech Republic Svatopluk Kapounek --- Mendel University in Brno, Czech Republic Jarko Fidrmuc --- Mendel University in Brno, Czech Republic

We present a wavelet analysis of retail investor attention and the daily returns of Bitcoin, Ethereum, and Litecoin at five selected crypto exchanges that identifies the fractal dynamics of the short- and long-term persistent processes. The investors’ attention is proxied...

View item »
Quantile dependencies across BRICS currency markets in time of crisis: Analysis of the Russia–Ukraine war

Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Oluwatomisin J. Oyewole --- Federal University of Agriculture, Nigeria Ismail O. Fasanya --- University of the Witwatersrand, South Africa Mamdouh Abdulaziz Saleh Al-Faryan --- School of Accounting, Economics and Finance, Faculty of Business and Law, University of Portsmouth, UK & Consultant in Economics and Finance, Saudi Arabia

This paper examines the spillovers across BRICS currency markets during the Russia–Ukraine war. We observe that the connectedness across the BRICS currency markets is stronger during than before the war and the average-based connectedness framework shows a moderate level of...

View item »
Information technology in supply chain management: Perspectives from key actors in the Nigerian petroleum sector

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Baba Shehu Terab --- Hydrocarbon Processing Department, Nigerian Midstream and Downstream Petroleum Regulatory Authority, Nigeria Umar Ali Umar --- Ahmadu Bello University, Nigeria Ayodeji Nathaniel Oyedeji --- Ahmadu Bello University, Nigeria

This research examines the potential impact of information technology (IT) on supply chain management (SCM) in the Nigerian petroleum industry. Specifically, the study seeks to identify the IT systems utilized by the key actors in the industry, the challenges facing...

View item »
Validation of the generic name Prescottiella gen. nov. (Desmidiales, Zygnematophyceae): a rare African desmid

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Sanet Janse van Vuuren --- North-West University, South Africa Anatoliy Levanets --- North-West University, South Africa

Prescottiella sudanensis is a rare, asymmetrical desmid currently known from only a few countries in equatorial Africa. During the present study, P. sudanensis cells were found in water samples from Vogel Pan located in the far north-eastern side of Namibia,...

View item »
Analysis of freshwater diatom deformities in the Karoo, South Africa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Holmes --- Nelson Mandela University, South Africa EE Campbell --- Nelson Mandela University, South Africa M de Wit --- Africa Earth Observatory Network (AEON) – Earth Stewardship Science Research Institute (ESSRI) Nelson Mandela University, South Africa JC Taylor --- North-West University, South Africa

Several studies regarding the effects of excess nutrients and metals as possible causes of deformities found in diatom cells have been conducted in Europe, North America and Australia. This is the first study in South Africa which catalogued and analysed...

View item »
A bibliometric study on diatom DNA metabarcording for water quality monitoring: a global perspective

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: EO Mbao --- The Technical University of Kenya, Kenya J Nyika --- The Technical University of Kenya, Kenya T Sheng --- Nanjing Agricultural University, China B Ochieng --- State Key Laboratory of Lake Science and Environment Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences (CAS), China L Sitoki --- The Technical University of Kenya, Kenya SO Oduor --- Egerton University, Kenya N Kitaka --- Egerton University, Kenya L Olaka --- The Technical University of Kenya, Kenya C Tan --- University of Tours, France

Aquatic biota have been used for decades in water quality assessment since they reflect the changing physico-chemical conditions of waterbodies. Among the aquatic organisms used in biological assessment are diatoms. Initially, morphological studies of diatoms were preferred in monitoring but...

View item »
Stone-Weierstrass approximation revisited

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Anatoly G. Kusraev --- Southern Mathematical Institute of the Vladikavkaz Science Center of the Russian Academy of Sciences, Russia Semën S. Kutateladze --- Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Russia

The aim of the present article is to extend the Stone-Weierstrass theorem to functions ranging in a lattice normed space and admitting order rather than topological approximation. We proceed with the machinery of Boolean-valued transfer from lattice normed space to...

View item »
A quantitative analysis of obstacles to innovation among small, micro, and medium-sized enterprises: Evidence from South Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Siyasanga Qomoyi --- Equitable Education and Economies, Human Sciences Research Council, Sikhulumile Sinyolo --- Public Health, Societies and Belonging, Human Sciences Research Council, Kgabo Hector Ramoroka --- Centre for Science, Technology and Innovation Indicators, Human Sciences Research Council, Amy Kahn --- Centre for Science, Technology and Innovation Indicators, Human Sciences Research Council, Luthando Zondi --- Centre for Science, Technology and Innovation Indicators, Human Sciences Research Council,

Firm-level innovation in sub-Saharan Africa remains under-researched. To address this gap, this paper examines the obstacles to innovation faced by small, micro, and medium-sized enterprises (SMMEs) in South Africa. Using the 2018 Business Innovation Survey, we apply the double-hurdle model...

View item »
A note on partial-A-isometries and some applications

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohamed Amine Aouichaoui --- Institute of Preparatory Studies in Engineering of Monastir Tunisia, University of Monastir, Tunisia

In this paper, the concepts of partial isometry and A-isometry are generalized. The inspiration for our investigation comes from [4, 10, 20, 27, 28, 29].

View item »
An analysis of the micro- and macro-economic determinants of firm R&D intensity in the South African business sector

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Amy Kahn --- Human Sciences Research Council (HSRC), South Africa Atoko Kasongo --- Human Sciences Research Council (HSRC), South Africa Moses M. Sithole --- Human Sciences Research Council (HSRC), South Africa Kgabo Hector Ramoroka --- Human Sciences Research Council (HSRC), South Africa

Research and experimental development (R&D) is an important driver of economic growth and productivity. Gross expenditure on domestic R&D (GERD) is a country’s total expenditure on R&D performed by all sectors of the economy. South Africa’s GERD as a percentage...

View item »
Using stakeholder knowledge to co-produce research priorities for a raptor species vulnerable to impacts of wind energy facilities

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Merlyn Nomusa Nkomo --- University of Cape Town, South Africa Megan Murgatroyd --- University of Cape Town, South Africa Samantha Ralston-Paton --- , South Africa Arjun Amar --- University of Cape Town, South Africa

The global energy transition necessitates a rapid increase in infrastructure in developing countries, including for wind energy facilities (WEFs). Concerns arise regarding the negative impacts of WEFs on biodiversity, especially on birds of prey or raptors and other volant animals...

View item »
Innovation and economic growth: An empirical analysis for African countries

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Atoko Kasongo --- Human Sciences Research Council, Cape Town, South Africa, Tlangelani Makamu --- Human Sciences Research Council, Cape Town, South Africa,

In recent decades, innovation has become recognized as a key driver of economic growth. This study investigated the relationship between innovation and economic growth in 32 African countries from 2006 to 2017. The linear regression panel corrected standard errors (PCSEs)...

View item »
Register competence in academic writing of student teachers specialising in English didactics at the University of Venda

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Innocent Zitha --- University of Venda, South Africa Matodzi Nancy Lambani --- University of Venda, South Africa

The adept utilisation of appropriate language registers is fundamental for proficient academic writing among students who study English as a secondary language within educational institutions such as schools, colleges, and universities. This investigation stems from a comprehensive study that sought...

View item »
Biological suppression of sugarcane smut through native Trichoderma isolates increased sugarcane yield at Wonji, Ethiopia

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Samuel Tegene --- Ethiopian Sugar Corporation, Ethiopia Habtamu Terefe --- Haramaya University, Ethiopia Esayas Tena --- Ethiopian Sugar Corporation, Ethiopia Mashilla Dejene --- Haramaya University, Ethiopia Girma Tegegn --- Ethiopian Institute of Agricultural Research, Ethiopia Amare Ayalew --- Partnership for Aflatoxin Control in Africa (PACA), Ethiopia

Smut disease is identified as the main constraint in the cultivation of sugarcane in Ethiopia. Although the country has employed a range of management strategies, none of them have resulted in ecologically safe and sustainable control. The use of Trichoderma...

View item »
Yahooism to ritualism: Ideological motivations for cyber fraud in selected Yoruba films

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Temitope Michael Ajayi --- University of Ibadan, Nigeria Oluwatosin Adebayo Adesope --- University of Ibadan, Nigeria Ibitayo Olamide Oso --- Ekiti State Polytechnic,

The rapid growth of the internet and increased accessibility to technology have led to a surge in cybercrime, otherwise known as Yahoo Yahoo in the Nigerian context. With its large population and many internet users, Nigeria has become a hub...

View item »
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, Spain

We 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...

View item »
A new species of Malacoceros (Annelida, Polychaeta, Canalipalpata, Spionidae) from urban waters in Gabon

Item type: Journal Article • Journal: African Zoology • Authors: Nicolas Lavesque --- Université de Bordeaux, CNRS, Bordeaux INP, EPOC, France Aimé Roger Nzigou --- Université des Sciences et Techniques de Makusu (USTM), Gabon Guillemine Daffe --- Université de Bordeaux, Observatoire Aquitain des Sciences de l’Univers, France Johann Ludovic Martial Happi --- Université des Sciences et Techniques de Makusu (USTM), Gabon Geon Hyeok Lee --- National Institute of Biological Resources, Seo-gu, Korea Karin Meißner --- Senckenberg am Meer, Deutsches Zentrum für Marine Biodiversitätsforschung (DZMB), Germany

A new species of Malacoceros is described from estuarine equatorial waters in Libreville (Gabon, West Africa). During a recent environmental study aimed to assess the urban impact on an estuarine ecosystem near Libreville, the collection of sediment samples from the...

View item »
Serpulid diversity of coralligenous build-ups in the southwestern Ionian Sea

Item type: Journal Article • Journal: African Zoology • Authors: Rossana Sanfilippo --- University of Catania, Italy Gemma Donato --- University of Catania, Italy Francesco Sciuto --- University of Catania, Italy Adriano Guido --- University of Calabria, Italy Mara Cipriani --- University of Calabria, Italy Valentina Alice Bracchi --- University of Milano-Bicocca, Italy Alfio Viola --- University of Catania, Italy Daniela Basso --- Consorzio Nazionale Interuniversitario per le Scienze del Mare (CoNISMa), Italy Antonietta Rosso --- University of Catania, Italy

Coralligenous build-ups in the Ionian Sea off southeastern Sicily, Italy, first discovered about 20 years ago, were recently studied as part of the Italian FISR project ‘CresciBluReef’. Coralligenous build-ups are a priority habitat in the Mediterranean Sea, yet their origin...

View item »
Editorial

Item type: Journal Article • Journal: African Zoology • Authors: Carol A Simon --- Stellenbosch University, South Africa Jyothi Kara --- Cape Peninsula University of Technology, South Africa Drew Davinack --- Wheaton College, United States

View item »
Historical trajectories and current perspectives on sub-Saharan wildland fire science and management in select scientific literature

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Devan Allen McGranahan --- Livestock and Range Research Laboratory, USDA Agricultural Research Service, USA Kevin P Kirkman --- Grassland Science, University of KwaZulu-Natal, South Africa

Fire has long been a fixture on African landscapes to which ecosystems, wildlife and people have adapted. Not surprisingly, wildland fire science in Africa has also undergone substantial change and development. Three broad eras of wildland fire science and management...

View item »
The effect of online nutrition and lifestyle education on body image dissatisfaction, body mass index, and disordered eating among female university undergraduate students in Lagos, Nigeria

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Foluke Adenike Olatona --- University of KwaZulu-Natal, South Africa Annette Van Onselen --- University of South Africa, South Africa Unathi Kolanisi --- University of Zululand, South Africa

View item »
Best approximation theorems via relatively u-continuous and Jaggi nonexpansive mappings

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Gabeleh --- Ayatollah Boroujerdi University, Iran R. Gholipour --- Yazd University, Iran H. Mazaheri --- Yazd University, Iran S.P. Moshokoa --- Tshwane University of Technology, South Africa

In this paper, we introduced a new type of cyclic (noncyclic) mappings, called Jaggi relatively nonexpansive mappings and use to investigate the existence of best proximity points (pairs) in the framework of reflexive (strictly convex) Banach spaces by using a...

View item »
Biometry, hatching efficiency, growth performance and survival of the brine shrimp Artemia franciscana from Tanzania

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AT Jacob --- Sokoine University of Agriculture, Tanzania IB Kapinga --- , Tanzania AP Mwijage --- Tanzania Fisheries Research Institute (TAFIRI), Tanzania A Luvanga --- Tanzania Fisheries Research Institute (TAFIRI), Tanzania A Mremi --- , Tanzania C Sekadende --- Tanzania Fisheries Research Institute, Tanzania SS Shaban --- Tanzania Fisheries Research Institute, Tanzania HA Lamtane --- Sokoine University of Agriculture, Tanzania AB Matondo --- College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Tanzania

This study determined the biometry, hatchability and growth performance of a strain of the brine shrimp Artemia franciscana, a species now widely introduced globally, obtained from salt farms in the Tanga Region, Tanzania. The cysts were collected from salt pans...

View item »
Wonder and empathy in environmental ethics

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Liezl van Zyl --- The University of Waikato, New Zealand

My aim in this article to argue that wonder is a basic moral capacity, akin to the capacity for empathy, that is required for the virtue of environmental benevolence. I begin by examining Geoffrey Frasz’s account of benevolence as a...

View item »
Breeding ecology of the Madagascar Grebe Tachybaptus pelzelnii in Bemanevika Protected Area in the northern highlands of Madagascar

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Delphin Rasolonjatovo --- The Peregrine Fund Madagascar Project, Madagascar Lily-Arison Rene De Roland --- The Peregrine Fund Madagascar Project, Madagascar Tolojanahary Andriamalala --- The Peregrine Fund Madagascar Project, Madagascar Marius Rakotondratsima --- The Peregrine Fund Madagascar Project, Madagascar Séraphin Fabrice --- The Peregrine Fund Madagascar Project, Madagascar Stéphanie Razakaratrimo --- The Peregrine Fund Madagascar Project, Madagascar Yverlin ZM Pruvot --- The Peregrine Fund Madagascar Project, Madagascar Russell Thorstrom --- The Peregrine Fund, United States

We studied the breeding ecology of the endangered Madagascar Grebe Tachybaptus pelzelnii (family Podicipedidae) at Bemanevika Protected Area, during two consecutive years (October 2020–September 2022). Two breeding units were observed: pairs and trios made up of one male and two...

View item »
An approach to timber monitoring in the Brazilian Amazon through transport elements

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vinicius Otavio Benoit Costa --- Federal University of Paraná (UFPR), Brazil Matheus Speranceta Fernandes --- Federal University of Paraná (UFPR), Brazil Fábio Guerra Santos --- Federal University of Paraná (UFPR), Brazil Henrique Soares Koehler --- Federal University of Paraná (UFPR), Brazil Renato Cesar Gonçalves Robert --- Federal University of Paraná (UFPR), Brazil

Sustainable forest management plans (SFMP) are important tools for the proper use of forest resources in the Brazilian Amazon and reliability in the timber chain of custody is one of the premises to guarantee legal origin. However, in disagreement with...

View item »
Mixed-effect modelling of Tectona grandis L.f. yield at stand-level

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Lucas Araujo Moura --- Federal University of Paraná, Brazil Allan Libanio Pelissari --- Federal University of Paraná, Brazil Luan Demarco Fiorentin --- Federal University of Paraná, Brazil Vinicius Costa Cysneiros --- Federal University of Santa Catarina, Brazil Luciano Rodrigo Lanssanova --- Federal Institute of Science, Technology and Education of Mato Grosso, Brazil Sidney Fernando Caldeira --- Federal University of Mato Grosso, Brazil

The prediction of volume from commercial plantations is essential to manage Tectona grandis L.f. stands. However, the assumptions of regression, especially homoscedasticity and residual independence, are often ignored when fitting longitudinal regression models. Thus, this work aimed to build a...

View item »
Advances in mini-cutting of Libidibia ferrea: an integrated approach with mini-stump management and growth regulator

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Igor de Souza Bitú --- Federal Rural University of Pernambuco, Brazil Erika Rayra Lima Nonato --- Federal Rural University of Pernambuco, Brazil Moema Barbosa de Sousa --- Federal Rural University of Pernambuco, Brazil Paulo César da Silva Santos --- Federal Rural University of Pernambuco, Brazil Carlos Luiz da Silva --- Federal Rural University of Pernambuco, Brazil Eliane Cristina Sampaio de Freitas --- Federal Rural University of Pernambuco, Brazil Ricardo Gallo --- Federal Rural University of Pernambuco, Brazil

Vegetative propagation plays a crucial role in biodiversity conservation and the promotion of sustainable forestry practices, especially for species with difficulties in seed germination due to dormancy and low germination rates. Therefore, this study aimed to evaluate mini-stump management techniques...

View item »
Soil properties influence tree fall in a fragment of Atlantic Forest in Recife, Pernambuco, Brazil

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Maria Salomé de Lima --- Rural Federal University of Pernambuco, Brazil Fernando José Freire --- Rural Federal University of Pernambuco, Brazil Débora de Melo Almeida --- Rural Federal University of Pernambuco, Brazil Brivaldo Gomes de Almeida --- Rural Federal University of Pernambuco, Brazil Renato Lemos dos Santos --- Federal Institute of Education, Science and Technology of Pernambuco, Brazil Luiz Carlos Marangon

Trees falling in natural environments can be attributed to tree age, terrain topography, amount of rainfall, wind strength, root type and soil properties. Soil plays a role in nutrient cycling, water retention and distribution, and tree support, and can be...

View item »
Interpolating inequalities for unitarily invariant norms and numerical radii of matrices

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ahmad Al-Natoor --- Isra University, Jordan Omar Hirzallah --- The Hashemite University, Jordan Fuad Kittaneh --- The University of Jordan, Jordan

In this paper, which is a continuation of our works in [9] and [10], we prove several interpolating inequalities for norms and numerical radii of matrices. Special cases of our results present refinements of some known inequalities. Among other results,...

View item »
Institutional scaffolding: MNEs responses to institutional weakness in contexts of violent conflict

Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Ekpenyong --- Nyenrode Business University, The Netherlands Diana Santistevan --- EM Normandie, Laboratoire Métis, France Yasmina Khadir --- Nyenrode Business University, The Netherlands Rob Blomme --- Nyenrode Business University, The Netherlands

Multinational enterprises (MNEs) use a variety of strategic responses to navigate weak institutional contexts. Scholars of MNE responses general focus on relatively stable regions. This paper examines how MNEs navigate institutional weaknesses in contexts of violent conflict by examining the...

View item »
Rapid spread of Euglena sanguinea Ehrenberg (Phylum Euglenophyta) in South African freshwater bodies: A potential threat

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Sanet Janse van Vuuren --- North-West University, South Africa Anatoliy Levanets --- North-West University, South Africa Daniël Erasmus --- North-West University, South Africa

Euglena sanguinea is a red-pigmented euglenid species known for producing the ichthyotoxin euglenophycin, which has been associated with fish mortalities in various freshwater systems. First reported in South Africa from the Kruger National Park in 2016, E. sanguinea has since...

View item »
Breeding dynamics and threats identified at a small colony of Critically Endangered Rüppell’s Vultures Gyps rueppellii in a Ugandan Forest Reserve

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ivan Oruka --- Gulu University, Uganda Geoffrey M Malinga --- Gulu University, Uganda Stonewall S Kato --- Gulu University, Uganda Darcy Ogada --- , United States of America Derek Pomeroy --- Makerere University, Uganda

The Critically Endangered Rüppell’s Vulture Gyps rueppelli is a resident species in Uganda, with only one known breeding site in Luku Central Forest Reserve, Arua district. The natural resources in this protected forest reserve are under severe threat due to...

View item »
The added value of community-based organisations in retaining people living with HIV (PLHIV) in the continuum of care in Mali

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marion Di Ciaccio --- Community-based research laboratory, Coalition PLUS, France Mariam Yebedie --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Kanuya Coulibaly --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Diane Dondbzanga --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Djénébou Traoré --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Mamadou Cissé --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Bintou Dembélé --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Laura Rouane --- Community-based research laboratory, Coalition PLUS, France Rosemary M Delabre --- Community-based research laboratory, Coalition PLUS, France Daniel Simões --- Community-based research laboratory, Coalition PLUS, France Daniela Rojas Castro --- Community-based research laboratory, Coalition PLUS, France Luis Sagaon-Teyssier --- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, ISSPAM, France

Background: Retention in care of people living with HIV (PLHIV) is a crucial public health issue in Mali. Several barriers to retention have been highlighted, including socioeconomic status, gender, sexual orientation, HIV-related stigma, as well as organisational and structural barriers,...

View item »
Malawi’s progress towards UNAIDS 95-95-95 fast-track targets: who is lagging?

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Bilaal Wilson Matola --- Stellenbosch University, South Africa Lovemore Mapahla --- Stellenbosch University, South Africa Juliet Charity Yauka Nyasulu --- Stellenbosch University, South Africa

The HIV and AIDS epidemic remains a critical global health challenge. Malawi accounts for 2.5% of global HIV cases and is a focus country in the UNAIDS 95-95-95 fast-track initiative. Despite reaching 92-95-94 in 2020, there is a need to...

View item »
HIV incidence and prevalence projections for Zimbabwe: Findings from five mathematical models

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Isaac Taramusi --- UNAIDS UCO Zimbabwe, Zimbabwe John Stover --- , United States of America Robert Glaubius --- , United States of America Tsitsi Apollo --- Ministry of Health and Child Care, Zimbabwe Getrude Ncube --- Ministry of Health and Child Care, Zimbabwe Owen Mugurungi --- Ministry of Health and Child Care, Zimbabwe Ngwarai Sithole --- Ministry of Health and Child Care, Zimbabwe Loveleen Bansi-Matharu --- Institute for Global Health, University College London, United Kingdom Jenny Smith --- Institute for Global Health, University College London, United Kingdom Andrew Phillips --- Institute for Global Health, University College London, United Kingdom Valentina Cambiano --- Institute for Global Health, University College London, United Kingdom Daniel T Citron --- New York University Grossman School of Medicine, United States of America Anna Bershteyn --- New York University Grossman School of Medicine, United States of America Debra ten Brink --- Burnet Institute, Australia Rowan Martin-Hughes --- Burnet Institute, Australia Michael Pickles --- Medical Research Council Centre for Global Infectious Disease Analysis, Imperial College London, United Kingdom Paul Revill --- University of York, United Kingdom Amon Mpofu --- National AIDS Council of Zimbabwe, Zimbabwe Jeffrey Imai-Eaton --- Chan School of Public Health, Center for Communicable Diseases Dynamics, Harvard University, United States of America Richard Makurumidze --- Faculty of Medicine and Health Sciences, University of Zimbabwe, Zimbabwe Simbarashe Rusakaniko --- Faculty of Medicine and Health Sciences, University of Zimbabwe, Zimbabwe

Introduction: Understanding how HIV epidemics are likely to behave in the future is key to informing HIV response strategies in low-income countries. Up-to-date HIV epidemiological estimates are important for policy decision- making, but surveillance data can be out of date...

View item »
Further remarks on z-ideals of semirings

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Amartya Goswami --- University of Johannesburg, South Africa Ahmed Maatallah --- University of Monastir, Faculty of Sciences of Monastir, Research Laboratory on Algebra, Tunisia

In this note, we revisit certain results from a previous work of the first author concerning z-ideals of semirings. We demonstrate that the assumption of the semiring being a bzi-semiring can be dispensed with. Additionally, we propose a revised definition...

View item »
Assessment of seed quality through rapid tests: a bibliometric analysis

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Carlos Luiz da Silva --- Federal Rural University of Pernambuco, Brazil Marcone Moreira Santos --- Federal Rural University of Pernambuco, Brazil Eliane Cristina Sampaio de Freitas --- Federal Rural University of Pernambuco, Brazil Raquel Maria de Oliveira Pires --- Federal University of Lavras, Brazil Moema Barbosa de Sousa --- Federal Rural University of Pernambuco, Brazil Paulo César da Silva Santos --- Federal Rural University of Pernambuco, Brazil Erika Rayra Lima Nonato --- Federal Rural University of Pernambuco, Brazil Gabriel Alves de Lima --- Federal Rural University of Pernambuco, Brazil Ricardo Gallo --- Federal Rural University of Pernambuco, Brazil

Seed quality is essential to ensure success in plant production. Traditionally, germination testing is widely used to assess seed viability, but it is a time-consuming process. Consequently, rapid tests have been increasingly explored due to their efficiency and speed. This...

View item »
Species-specific wood volume growth models outperform unified model across eucalypt species

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Emanuel Ferrari do Nascimento --- Universidade Federal de Viçosa (UFV), Brazil João Amaro Ferreira Vieira Netto --- Universidade Federal de Viçosa (UFV), Brazil Marco Antônio Peixoto --- University of Florida, USA Larissa Pereira Ribeiro Teodoro --- Universidade Federal do Mato Grosso do Sul (UFMS), Brazil Paulo Eduardo Teodoro --- Universidade Federal do Mato Grosso do Sul (UFMS), Brazil Leonardo Lopes Bhering --- Universidade Federal de Viçosa (UFV), Brazil

Forest ecosystems play an essential role in maintaining biodiversity and mitigating global warming. Intensively managed forest plantations represent a major raw material source for pulp, timber and paper industries. The objective of this study was to apply the model identity...

View item »
Increased risk of suicidality in treatment-seeking transgender adults and adolescents with autism traits and anxiety/depression

Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Katrin Lehmann --- , Northern Ireland Michael Rosato --- Ulster University, Northern Ireland Gerard Leavey --- Ulster University, Northern Ireland

Background: Transgender adolescents and adults appear to be at increased risk of suicidality, but the risk factors are unclear.

View item »
Geometric characterizations of some analytic functions related to the generalized Marcum Q-function

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Abdulaziz Alenazi --- College of Science, Northern Border University, Saudi Arabia Khaled Mehrez --- Kairouan Preparatory Institute for Engineering Studies, University of Kairouan, Tunisia

The aim of this paper is to study certain geometric properties, such as convexity of order α (0 ≤ α < 1) and uniform convexity inside the unit disk, for a class of analytic functions related to the generalized Marcum...

View item »
Sediment dynamics in the Roman Rock area of False Bay, South Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Terhorst --- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia M de Vos --- University of Connecticut, United States C Rautenbach --- Waikato Regional Council, New Zealand

This study investigated sediment dynamics in the Roman Rock area of False Bay, South Africa, by integrating sediment grain size data with hydrodynamic and wave modelling. We examined two significant events: a long-period southwesterly swell in 2008, and a prolonged...

View item »
Surveys of Sooty Falcons Falco concolor wintering in Madagascar in 2023 and 2024

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gilbert Razafimanjato --- , Madagascar Michael J McGrady --- International Avian Research, Austria Radoniaina Razafiherison --- , Madagascar Heritiana J Randriamanantena --- , Madagascar Marius PH Rakotondratsima --- , Madagascar Idéaly J Dinafitiavana --- , Madagascar Russell Thorstrom --- World Center for Birds of Prey, United States Lily-Arison Rene de Roland --- , Madagascar

Madagascar is the non-breeding-season destination for a significant proportion of the global population of the migratory and Vulnerable Sooty Falcon Falco concolor. Here, we report on surveys of wintering birds in Madagascar, conducted in 2023 and 2024 over a total...

View item »
A sociolinguistic analysis of gratitude expressions in Tshivenḓa

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Matodzi Godfrey Sikhwari --- University of Venda, South Africa

This article presents a sociolinguistic analysis of gratitude expressions in Tshivenḓa, focusing on two gift-giving scenarios: a birthday gift exchange between friends; and a gift given to a sibling on the completion of their studies. Drawing on Brown and Levinson’s...

View item »
Describing the collocation feature in finite-predicator Sesotho personal names: A systemic functional linguistics approach

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Masechaba Lerato Mokhathi-Mbhele --- National University of Lesotho, Lesotho

The purpose of this paper is to explore the discourse of collocation on Sesotho finite predicators as enacted personal names. This qualitative study underpins Systemic Functional Linguistics (SFL) and anthroponymy theoretical designs to describe these names’ socio-cultural functions and explicate...

View item »
The role of translanguaging pedagogy and practice in Sepedi language intellectualisation

Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Pamla Letsoalo --- University of Limpopo, South Africa Abram Mashatole --- University of Limpopo, South Africa

A growing body of work has gone to great lengths to map, rationalise and theorise the importance of multilingual pedagogies and how practitioners must acknowledge the diverse linguistic resources students bring into the learning space. In this study, we contribute...

View item »
A sociolinguistic inquiry into code-switching in Tshivenḓa in beerhall environments

Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Matodzi Godfrey Sikhwari --- University of Venda, South Africa

This research article explores code-switching practices in Tshivenḓa-speaking beerhall environments, focusing on the sociolinguistic factors that influence language use. Code-switching, the alternation between languages during conversations, is common in multilingual settings. Beerhalls provide a unique, informal space to observe how...

View item »
Physiological traits associated with drought tolerance in Moroccan chickpea

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Meriem Tabouktirt --- University Hassan II, Morocco Fatoumata Farida Traore --- University Hassan II, Morocco Sara Fahde --- , Morocco Ayyoub Ammar --- University Hassan II, Morocco Hasnae Choukri --- , Morocco Said Boughribil --- University Hassan II, Morocco

In a greenhouse experiment conducted in Mohammedia, drought stress responses were evaluated under two treatments (100% and 50% of field capacity; FC) in six Moroccan chickpea varieties: Arifi, Bouchra, Farihane, Moubarak, Rizki, and Zahour. The susceptibility index (SI) clearly differentiated...

View item »
Updates on population status of vultures in Nazinga Game Ranch, Burkina Faso

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- Animal Biology and Ecology, University Centre of Tenkodogo/Thomas Sankara University, Burkina Faso Idrissa Ouédraogo --- Laboratory of Animal Biology and Ecology, Joseph Ki-Zerbo University, Burkina Faso Idrissa Ouédraogo --- Laboratory of Animal Biology and Ecology, Joseph Ki-Zerbo University, Burkina Faso Adama Ouéda --- Laboratory of Animal Biology and Ecology, Joseph Ki-Zerbo University, Burkina Faso Wendengoudi Guenda --- Laboratory of Animal Biology and Ecology, Joseph Ki-Zerbo University, Burkina Faso Peter DM Weesie --- Integrated Research on Energy, Environment and Society, University of Groningen, The Netherlands

In the early 2000s, the ornithological community was alerted to the vulture population decline in West Africa. Since then, the situation of vultures in this area has not been updated, specifically in Burkina Faso’s protected areas. To find out more,...

View item »
‘The mountain has a story to tell’: transhumant production systems in the US Intermountain West

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Hailey Wilmer --- USDA-ARS Range Sheep Production Efficiency Research Unit, USA Jonathan Spiess --- USDA-ARS Range Sheep Production Efficiency Research Unit, USA Katherine D White --- Department of Ecosystem Science and Management, University of Wyoming, USA Amira Burns --- USDA-ARS Range Sheep Production Efficiency Research Unit, USA Steven Cox --- Former Dubois Ranger District, Caribou-Targhee National Forest, USA John Derek Scasta --- Laramie Research and Extension Center, Department of Ecosystem Science and Management, University of Wyoming, USA Devan Allen McGranahan --- Livestock and Range Research Laboratory, USDA Agricultural Research Service, USA Carrie S Wilson --- USDA-ARS Range Sheep Production Efficiency Research Unit, USA Will Munger --- USDA-ARS Range Sheep Production Efficiency Research Unit, USA J Bret Taylor --- USDA-ARS Range Sheep Production Efficiency Research Unit, USA

Grazing systems research has taken a notable social-ecological turn in response to recent debates, and integrative work is still needed to address gaps in our understanding of multiscalar dynamics in transhumant systems. Transhumance encompasses diverse cultures, ecological relationships, and traditions...

View item »
Marine gastropods as potential sources of medicinal and nutraceutical compounds

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TT Kereeditse --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa YAT Ngandjui --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa I Kamika --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa K de Bruyn --- Agriculture and Environmental Science Laboratories, College of Agriculture and Environmental Sciences, University of South Africa (UNISA), South Africa LM Madikizela --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa TAM Msagati --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa

Gastropods make up the most diverse class of molluscs. Marine species of gastropods include a vast array of sea slugs and sea snails, which are among the most diverse and ecologically significant groups of marine invertebrates. Exploring these fascinating marine...

View item »
Comparative growth and carotenoid production in the green microalga Dunaliella salina from marine and continental ecosystems: harnessing environmental diversity for sustainable industrial applications

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Benabouche --- Biotechnology Laboratory, Specialised Centre for Valorisation and Technology of Marine Products (CSVTPM), National Institute of Marine Research (INRH), Morocco M Chikhaoui --- Biotechnology Laboratory, Specialised Centre for Valorisation and Technology of Marine Products (CSVTPM), National Institute of Marine Research (INRH), Morocco H Baazizi --- Laboratory of Quality Control, Specialised Centre for Valorisation and Technology of Marine Products (CSVTPM), National Institute of Marine Research (INRH), Morocco F El Filali --- Laboratory of Quality Control, Specialised Centre for Valorisation and Technology of Marine Products (CSVTPM), National Institute of Marine Research (INRH), Morocco A Banaoui --- Laboratory of Aquatic Systems: Marine and Continental Environments (AQUAMAR), Faculty of Sciences, Ibn Zohr University, Morocco

In Morocco, diverse saline ecosystems support both industrial salt production and the growth of Dunaliella salina, a halophilic unicellular green microalga in class Chlorophyceae, and well-known for its applications in aquaculture, cosmetics, food and pharmaceuticals owing to its significant carotenoid-producing...

View item »
The first record of the tropical tramp millipede Orthomorpha coarctata (de Saussure, 1860) in Cameroon (Diplopoda: Polydesmida: Paradoxosomatidae)

Item type: Journal Article • Journal: African Zoology • Authors: Peter Decker --- , Germany Armand Richard Nzoko Fiemapong --- Laboratoire de Zoologie, Université de Yaoundé I, Cameroon Hans S Reip --- Senckenberg Museum of Natural History Görlitz, Germany Samuel Didier Makon --- Laboratoire de Zoologie, Université de Yaoundé I, Cameroon Paul Serge Mbenoun Massé --- Laboratoire de Zoologie, Université de Yaoundé I, Cameroon

This study reports the first record of the flat-backed millipede Orthomorpha coarctata (de Saussure, 1860) in Cameroon, and the second for Central Africa. Specimens were collected between 2014 and 2025 at nine localities in anthropogenic habitats, such as agricultural fields...

View item »
Conceptualising environmental justice through epistemic justice in Africa

Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Munamato Chemhuru --- University of Leeds, United Kingdom

The exclusion of local and indigenous people’s knowledge from meaning-making is a form of epistemic injustice. As I consider how current frameworks for environmental justice in Africa are largely framed using non-African epistemic approaches, I claim that African epistemologies and...

View item »
Comparing fixed count and observed/expected taxa approaches in diatom-based water quality assessment: implications for monitoring efficiency and accuracy

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Holmes --- Africa Earth Observatory Network (AEON) – Earth Stewardship Science Research Institute (ESSRI), Nelson Mandela University, South Africa JC Taylor --- Unit for Environmental Sciences and Management (UESM), North-West University, South Africa B Linol --- Africa Earth Observatory Network (AEON) – Earth Stewardship Science Research Institute (ESSRI), Nelson Mandela University, South Africa

Diatom-based indices are widely used for freshwater bioassessment, yet methodological variability, particularly in count strategies, can influence ecological classification outcomes. This study compares a traditional fixed count (FC) approach with an observed/expected taxa (OE) strategy across five riverine sites in...

View item »
A note of 2-rainbow edge domination numbers of graphs

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yu Yang --- School of Mathematics and Statistics, Huaibei Normal University, China Cai-Xia Wang --- School of Mathematics and Statistics, Northwest Normal University, China Shou-Jun Xu --- School of Mathematics and Statistics, Gansu Key Laboratory of Applied Mathematics and Complex Systems, Lanzhou University, China

Let G be a graph with edge set E containing no isolated vertices. A 2-rainbow edge dominating function of G is a function f from E to the family of all subsets of {1, 2} such that for each edge...

View item »
Effects of nonlocal source terms on Kirchhoff-type double phase equations with variable exponents: Existence of three distinct solutions

Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Khaled Kefi --- Center for Scientific Research and Entrepreneurship, Northern Border University, Saudi Arabia Haikel Ouerghi --- Department of Quantitative Methods, Jendouba University, Research Laboratory of Mathematics and Applications, Tunisia Khaled Benali --- Department of Mathematics, Faculty of Sciences of Gabes, Research Laboratory of Mathematics and Applications, Tunisia Nguyen Thanh Chung --- Faculty of Mathematics and Information Technology, The University of Danang - University of Science and Education, Vietnam

This paper investigates a class of Kirchhoff-type double phase problems distinguished by the inclusion of two nonlocal source terms and formulated in the framework of variable exponent Sobolev spaces. By applying a variant of Bonanno’s critical point theorem [12], we...

View item »

Load more results