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Forest Fires in Italy
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Giancarlo Cesti --- , Italy -
INTEGRATED ENVIRONMENTAL MANAGEMENT: A NEW APPROACH TO DEVELOPMENT AND CONSERVATION
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian A.D. Egan --- , -
Predicting Tree Heights to Supplement Stand Tables of Eucalyptus Grandis
Item type: Journal Article • Journal: South African Forestry Journal • Authors: BrianV. Bredenkamp --- Department of Forest Science,An equation is presented to predict the average height of trees with a given DBH and age in Eucalyptus grandis plantations. The estimated height can be proportionately weighted to adjust the estimate in order to account for different site qualities... -
BOOK REVIEW
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian Bredenkamp -
Sawlog Class Proportions of Pinus radiata
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian Bredenkamp --- Department of Forest Science,Tabular values of proportions of tree volume expected to fall into particular log classes were used to estimate the parameters of equations for prediction of the log class proportions of P. radiata. No new information is presented, but equations to... -
Top Height: A Definition for Use in South Africa
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian Bredenkamp --- Department of Forest Science, -
Modelling Diameter and Height Distributions through Dispersion Statistics in Even-aged Pine Plantations
Item type: Journal Article • Journal: South African Forestry Journal • Authors: HorstW. Kassier --- , South Africa BrianV. Bredenkamp --- Department of Forest Science, South AfricaDiameter and height distribution recovery, in combination with standlevel projection modelling, is generally used in Southern Africa for predicting growth and yield in even-aged pine plantations. A different approach for modelling diameter and height distributions for five pine species commercially... -
Book Review
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian Bredenkamp -
Bush control : The control of brachystegia boehmii and colophospermum mopane in Rhodesia using a picloram/2,4‐d mixture
Item type: Journal Article • Journal: Proceedings of the Annual Congresses of the Grassland Society of Southern Africa • Authors: BarbaraV. Lloyd --- , DianeM. Bromwich --- , Lindsay McNeill --- Department of Research and Specialist Services,Mature Brachystegia boehmii and Colophospermum mopane trees were treated with Tordon 101 (a 1 : 4 mixture of picloram and 2,4‐D) at five rates and at three different times of the year. The arboricide was applied with a syringe to... -
Variability in leaf surface features and water efficiency utilisation in C3 and C4 forms of alloteropsis semialata (R. Br.) hitchc.
Item type: Journal Article • Journal: Proceedings of the Annual Congresses of the Grassland Society of Southern Africa • Authors: Millicent Frean --- Photosynthetic Nitrogen Metabolism Research Unit, Diana Barrett --- Photosynthetic Nitrogen Metabolism Research Unit, C.F. Cresswell --- Photosynthetic Nitrogen Metabolism Research Unit,Alloteropsis semialata (R. Br.) Hitchc. occupies a unique position both taxonomically and physiologically in the Gramineae in that C3 and C4 photosynthetic and anatomical forms exist within a single taxonomic species. Both forms have been collected from a single ecological... -
Effect of nitrogenous fertiliser on the yield of various annual fodder legumes nodulated by effective rhizobia
Item type: Journal Article • Journal: Proceedings of the Annual Congresses of the Grassland Society of Southern Africa • Authors: V.D. Wassermann --- Department of Agriculture, Gillian Heyns --- Department of Agriculture, A.J. Kruger --- Department of Agriculture,The practice of applying N fertiliser to legumes at seeding was critically studied in Lupinus angustifolius, L. albus, Ornithopus sativus, Pisum sativum arvense, Vicia dasycarpa and Vigna unguiculata in a series of field and pot trials. In addition, the theory... -
Production of plantlets from tissue cultures of Lotononis, a southern African veld legume1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: A.M. Thro --- Agronomy Department, Louisiana Agricultural Experimental Station, USA A.T. Wier --- Agronomy Department, Louisiana Agricultural Experimental Station, USA K.C. Torres --- , USA H.E. Flores --- Plant Pathology and Crop Physiology Department, College of Agriculture, USA M. Pillay --- Biology Department, USAA simple procedure is described for the production of large numbers of rooted plantlets from callus cultures of Lotononis bainesii Baker. Highest frequency of shoots was obtained from somatic embryos formed in initiation cultures on Murashige & Skoog medium plus... -
Grazing of raphanus sativus. L (Japanese Radish)1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N.F.G. Rethman --- Department of Plant Production, Gillian Heyns --- Department of Plant Production,The performance of young woolled sheep was markedly better when grazing Japanese radish early in winter, when more leaf was available .Continuous grazing resulted in better performance than rotational or zero grazing. -
The application of various chemicals to cuts made in the stem bases of Brachystegia spiciformis Benth., Julbernardia globiflora (Benth.) Troupin and Terminalia sericea Burch. ex DC.
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: W.R. Teague --- , Zimbabwe DianeM. Killilea --- , ZimbabwePicloram‐potassium and various mixtures of picloram with 2,4‐D amine, 2,4,5‐T ester or amine, or 2,4,5‐T ester alone were injected into incisions made in the cambium of standing Brachystegia spiciformis and Julbernardia globiflora trees. Each arboricide was tested at a range... -
The application of various picloram formulations to cut stumps of Brachystegia spiciformis Benth., Julbernardia globiflora (Benth.) Troupin, Terminalia sericea Burch. ex DC. and Acacia karroo Hayne trees
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: W.R. Teague --- , Zimbabwe DianeM. Killilea --- , ZimbabweTrees were felled 150 mm above ground level and various mixtures of picloram with 2,4‐D araine, 2,4,5‐T amine in water solution or 2,4,5‐T ester in diesel oil were applied to the freshly‐cut surfaces. Mixtures of picloram/2,4‐D amine and picloram/2,4,5‐T amine,... -
The effect of ringbarking Brachystegia spiciformis Benth., Julbernardia globiflora (Benth.) Troupin and Terminaliasericea Burch. ex DC. trees at different heights with or without the addition of a pidoram/2,4‐D mixture
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: W.R. Teague --- , Zimbabwe DianeM. Killilea --- , ZimbabweTrees were ringbarked at three different heights relative to ground level (1 000 mm above the ground, at ground level and 100 mm below ground level). In a separate trial, arboricide was applied at four different rates to the lower... -
Utilization of Lolium multiflorum by sheep 1. Influence of dry matter content and correlated factors on voluntary intake
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H.H. Meissner --- Department of Livestock Science, Republic of South Africa MarianaM. du Preez --- Department of Livestock Science, Republic of South Africa A.D. Enslin --- Department of Livestock Science, Republic of South Africa E.B. Spreeth --- Department of Livestock Science, Republic of South AfricaThe intake by young sheep of Lolium multiflorum cv. Midmar (ryegrass) with dry matter (DM) contents of between 10.2% and 20.5% was studied. Intake was measured on pasture, while at the same time herbage was cut and fed either fresh... -
Utilization of Lolium multiflorum by sheep 2. The effect of drying the herbage on soluble nitrogen content and partial digestion
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: MarianaM. du Preez --- Department of Livestock Science, Republic of South Africa H.H. Meissner --- Department of Livestock Science, Republic of South AfricaThe amount of soluble N and the effective degradation of fresh and dry herbage of Lolium multiflorum cv. Midmar (ryegrass) was determined by the nylon bag technique. In another experiment the digestion and disappearance of organic matter (OM) and nitrogen... -
The response of Bambara groundnut (Voandzeia subterranea) and pigeon pea (Cajanus cajan) to applications of lime, P and K
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: V.D. Wassermann --- Department of Agriculture, A.J. Kruger --- Department of Agriculture, Gillian Heyns --- Department of Agriculture,Voandzeia subterranea and Cajanus cajan are important pulse crops in tropical and subtropical Africa and their drought hardiness and ability to utilize poor soils are inter alia reasons for this popularity. Both species hold considerable promise as crops in South... -
Growth and production of Vicia dasycarpa Ten., Namoi as influenced by an oat support crop and nitrogen fertilizer
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: V.D. Wassermann --- Rietondale Research Station, Gillian Heyns --- Rietondale Research Station, A.J. Kruger --- Rietondale Research Station,The performance of Vicia dasycarpa cv. Namoi in pure stand and mixed with oats at four densities, grown at three levels of N fertilizer, was studied in the field under irrigation. Both the increased plant density of oats and N... -
Rapid vegetative propagation of pineapples by crown sectioning
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Mariana Fitchet --- , Republic of South Africa H.A. van de Venter --- , Republic of South AfricaPineapples can be rapidly multiplied and propagated by means of crown sections in a peatmoss and vermiculite mixture (2:1). Each section can produce a new plantlet within 65 days and the development of dormant buds may be promoted by the... -
Influence of crop production practices on Pythium infections and yield of winter wheat in fumigated and non-fumigated soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.B. Scott --- Small Grain Centre, Republic of South Africa W.H. Kilian --- Small Grain Centre, Republic of South Africa W.S. Miles --- Small Grain Centre, Republic of South AfricaField trials consisting of different tillage and soil fertility treatments were conducted to study possible causes of yield decline of monoculture winter wheat in the eastern Orange Free State. Soil fumigation with methyl bromide enhanced plant growth, reduced Pythium infections... -
Predictive estimation of maize yield loss caused by Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) in maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Riana Bate --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South AfricaThe effect of Chito partellus (Swinhoe) on growth and yield of maize was investigated in two field experiments, using artificial infestation in cages. The first experiment consisted of five infestation levels, viz. 0, 15, 30, 45 and 60 eggs per... -
The effects of tillage systems on soil bulk density and penetrometer resistance of a sandy clay loam soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.T. Steyn --- Small Grain Centre, Republic of South Africa J. P.C. Tolmay --- Small Grain Centre, Republic of South Africa J.J. Human --- Department of Agronomy, Republic of South Africa W.H. Kilian --- Small Grain Centre, Republic of South AfricaConcern has been expressed that reduced tillage systems may lead to excessive soil compaction, with a negative impact on crop growth. The objectives of this study were to determine the effects of different tillage systems, namely, minimum tillage (disc and... -
Sucrose synthesis and translocation in Zea mays L. during early growth, when subjected to N and K deficiency
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Pretorius --- Department of Agronomy and Horticulture, Republic of South Africa D.T. Nieuwoudt --- Department of Agronomy and Horticulture, Republic of South Africa Diana Eksteen --- Department of Agronomy and Horticulture, Republic of South AfricaBy omitting N and K either separately or in combination from the rooting medium, a nutrient stress condition was created with the aim of ascertaining whether sucrose synthesis or its translocation was linked to nutrient availability (N, K) in young... -
Hypersensitivity of rust resistance in lentil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: TG Negussie --- Ethiopian Institute of Agricultural Research, Ethiopia CM Bender --- Department of Plant Sciences, South Africa PWJ van Wyk --- Centre for Microscopy, South Africa ZA Pretorius --- Department of Plant Sciences, South AfricaCharacterising resistance at different levels of expression is important in understanding host defence mechanisms and the improvement of durable disease resistance in crop plants. Histological reactions of the lentil cultivars EL-142 (susceptible) and Gudo (resistant) to infection by Uromyces viciae-fabae,... -
Host-specificity testing of Puccinia xanthii var. parthenii-hysterophorae, a potential biocontrol agent for Parthenium hysterophorus in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Estianne Retief --- , South Africa Khayalethu Ntushelo --- , South Africa AlanR Wood --- , South AfricaFollowing its introduction into Australia, the rust fungus Puccinia xanthii var. parthenii-hysterophorae has played an important role in the integrated approach to manage Parthenium hysterophorus. The rust was imported from Australia and established within quarantine facilities in South Africa. Supplementary... -
'N LEKSIKAAL-INTERPRETATIEWE ANALISE VAN ENKELE SEMANTIESE RELASIES IN XHOSA
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Marianna VisserHierdie studie het as teoretiese uitgangspunt die leksi kaal- interpretatiewe model van generati ewe grammatika, gepostuleer in Bresnan (1978). Binne die kader van hierdie teorie word 'n analise gegee van enkele semantiese relasies, in die besonder die aktief-passiefrelasie, in 'n... -
Aspects of empty categories in Xhosa within the theory of government and binding
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: MariannaW. Visser --- ,The approach to subject- and object-verb agreement within the government-binding (GB) theory of transformational generative grammar is reviewed. The principles of this approach are applied in the analysis of agreement in Xhosa. It is shown that the phonologically null element... -
Cliticization and Case theory in Xhosa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: MariannaW. Visser --- ,This article examines cliticization in Xhosa within the framework of the government-binding theory (henceforth GB theory) of transformational generative grammmar. In particular, the assumption is explored that the possibility for a clitic to occur in Xhosa verbal morphology can be... -
The syntax of the infinitive in Xhosa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Marianna Visser --- Departement of African Languages, Republic of South AfricaThe syntax of the infinitive in Xhosa. The syntax of the infinitive in Xhosa is explored. The general framework which is assumed is the version of transformational generative grammar known as the theory of Government and Binding. The central issue... -
Some notes on the morphology of Zulu clan names
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Adrian Koopman --- , Republic of South AfricaZulu clan names have a great deal of variation in their morphology. For example, Mzolo and Tolweni both refer to the same clan, as do Mthembu and aba Thenjini. One of the common variations is the locative inflection. With very... -
-So- and -No-: Aged parents in new garb
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Adrian Koopman --- Department of Zulu, Republic of South AfricaIn this article the use of the formatives -so- and -no- is investigated in words like usokhaya ‘head of the household’ (< ikhaya ‘home’), uSobantu ‘Father of the people’ (< abantu ‘people’), uNomkhubulwane ‘Princess of the rain/harvest’ (< khubula ‘to... -
Co-ordination and the subjunctive in Xhosa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: J.A. du Plessis --- Department of African Languages, Republic of South Africa Marianna Visser --- Department of African Languages, Republic of South AfricaTwo main types of co-ordination in Xhosa are considered, where the distinguishing factor for determining these two types relates to a temporal condition associated with the preceding clause. The main emphasis in this article is on temporal co-ordination. When the... -
Bookreviews
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: L.J. Louwrens --- Department of African Languages, Republic of South Africa IngeborgM. Kosch --- Department of African Languages, Republic of South Africa J.A. Louw --- Department of African Languages, Republic of South Africa MariannaM. Visser --- Department of African Languages, Republic of South Africa David Gough --- Department of Linguistics and English Language, South Africa -
The thematic structure of event nominals in Xhosa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Marianna Visser --- Department of African Languages, South AfricaThe syntactic realization of the argument structure of deverbal event nominais in Xhosa and Venda are investigated and compared in this paper. The argument structure of deverbal event nominais in Xhosa and Venda is generally realized in genitive structures, hence... -
Nicknaming among Xhosa-speaking children and adolescents
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Vivian de Klerk --- Departments of Linguistics and Afrikaans, Republic of South Africa Barbara Bosch --- Departments of Linguistics and Afrikaans, Republic of South AfricaThis study reports on the nicknames of two separate sets of urban Xhosa-speaking informants; the first set belong to children of 5 to 6 years of age and the second set are the nicknames of adolescents of about 18 years... -
Adulphe Delegorgue's Vocabulaire de la Langue Zoulouse
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Ant Davey --- , Adrian Koopman --- ,The account of the travels of French explorer Adulphe Delegorgue in Southern Africa between the years 1838 and 1844 was originally published in French c. 1850. Recently these accounts have been translated and published in English, by the University of... -
The role of Xhosa in an Eastern Cape army camp
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: GaryP. Barkhuizen --- Department of English Language and Linguistics, Vivian de Klerk --- Department of English Language and Linguistics,This article reports on a study which investigated the role of Xhosa as a ‘link’ language in a South African army camp. Both qualitative and quantitative data were collected by means of a questionnaire, interviews with army personnel and observations... -
The Changing Fortunes of Kiswahili in Tanzania
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Deo Ngonyani --- Department of Linguistics and Germanic, Slavic, Asian and African Languages, USAKiswahili in Tanzania is in conflict with vernacular African languages as well as with English. Data presented in this paper shows that there is a gradual shift to Kiswahili even in domains that were served by indigenous vernaculars. Some aspects... -
The category DP in Xhosa and Northern Sotho
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Marianna Visser --- Department of African languages,This article investigates the morphosyntactic realisation of definiteness in Xhosa and Northern Sotho, representative of African languages, characterised respectively by the presence and absence of a noun class preprefix (i.e. initial vowel). The Minimalist theory (Chomsky, 1995) is employed as... -
Definiteness and specificity in the isiXhosa determiner phrase
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Marianna Visser --- Dept. of African Languages, South AfricaThe article investigates questions relating to the morphosyntactic realization of (in)definiteness and (non-) specificity in isiXhosa. The interaction of syntax, semantics and pragmatics is explored in establishing the interpretation of noun phrases as regards (in)definiteness and (non-)specificity in isiXhosa, with... -
A guide to tones in Tswana locatives
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Sabine Zerbian --- Department Linguistics, GermanyThe article gives a description of the tones occurring with locatives in Tswana. Assuming a background in the morphology and semantics in locative formation it states the tones of the locative suffix -ng and the locative morphemes gá-, gó-, fá,... -
Kiswahili riddles: Parallelism and social functions
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: DeoS Ngonyani --- Department of Linguistics and Germanic, Slavic, Asian and African Languages, USAKiswahili riddles (vitendawili) are children's puzzles presented in the form of precedent statements, queries or propositions eliciting responses, solutions or sequent (Harries, 1971, 1976; Gowlett, 1979; Okpewho, 1992). This article examines the linguistic structure of precedents in Kiswahili riddles. It... -
On the dynamics of demersal fish assemblages off Namibia in the 1990s
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: G. Bianchi H. Hamukuaya O. AlvheimDemersal fish surveys carried out off Namibia from 1990 to 2000 were used to study the dynamics of demersal fish assemblages on the shelf and upper slope. The study was performed on each major assemblage, i.e. over the shelf (100–300... -
The structure of demersal assemblages off Namibia in relation to abiotic factors
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: H. Hamukuaya G. Bianchi D. BairdGroundfish surveys carried out between October 1992 and October 1996 were used to describe the demersal assemblages of the northern Benguela along the Namibian coast. Multivariate analyses indicated a clear separation between shelf and slope habitats, which were divided into... -
A review of the Angolan House snakes, genus Boaedon Duméril, Bibron and Duméril (1854) (Serpentes: Lamprophiidae), with description of three new species in the Boaedon fuliginosus (Boie, 1827) species complex
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jakob Hallermann --- Center of Natural History (CeNak), Zoologisches Museum, Universität Hamburg, Germany Luis MP Ceríaco --- Museu de História Natural e da Ciência da Universidade do Porto, Portugal Andreas Schmitz --- Natural History Museum of Geneva, Department of Herpetology and Ichthyology, Switzerland Raffael Ernst --- Museum of Zoology, Senckenberg Natural History Collections Dresden, Germany Werner Conradie --- Port Elizabeth Museum (Bayworld), South Africa Luke Verburgt --- National Geographic Okavango Wilderness Project, Wild Bird Trust, South Africa Mariana P Marques --- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), Rede de Investigação em Biodiversidade e Biologia Evolutiva (InBIO), Universidade do Porto, Portugal Aaron M Bauer --- Department of Biology and Center for Biodiversity and Ecosystem Stewardship, Villanova University, USAAn integrative taxonomic review of the genus Boaedon in Angola is provided. A molecular phylogeny, based on 99 genetic samples for which the mitochondrial markers 16S rRNA have been sequenced, reveals 23 monophyletic species-level groups in Africa and indicates the... -
Long-term trends in the abundance and community structure of coastal zooplankton in the southern Benguela system, 1951–1996
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: H. M. Verheye A. J. Richardson L. Hutchings G. Marska D. GianakourasLong-term trends in the abundance and species composition of zooplankton are described. These trends are based on retrospective analysis of zooplankton samples collected in the St Helena Bay area off the South African west coast since the development of the... -
What is Ubuntu,? Different Interpretations among South Africans of African Descent
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Christian B.N. Gade --- Department of Culture and Society, DenmarkIn this article, I describe and systematize the different answers to the question ‘What is ubuntu,?’ that I have been able to identify among South Africans of African descent (SAADs). I show that it is possible to distinguish between two... -
Restorative Justice and the South African Truth and Reconciliation Process
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Christian B.N. Gade --- Department of Culture and Society, DenmarkIt has frequently been argued that the post-apartheid Truth and Reconciliation Commission (TRC) was committed to restorative justice (RJ), and that RJ has deep historical roots in African indigenous cultures by virtue of its congruence both with ubuntu and with... -
Techno-phenomenology: Martin Heidegger and Bruno Latour on how phenomena come to presence
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Arianne Conty --- American University of Sharjah, United Arab EmiratesThis article will set out to elucidate the ways in which the philosophies of technology of Martin Heidegger and Bruno Latour seek to explain how the phenomenal world of nature, objects and tools come to presence as events through their... -
Diagnosis without treatment: responding to the War on Terror
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Damian Cox --- Faculty of Society and Design, Australia Michael Levine --- Philosophy, AustraliaThe War on Terror has exposed deep problems within contemporary political practice. It has demonstrated the moral fragility of liberal democracy. Much critical literature on the topic is devoted to uncovering the sources of this fragility. In this paper, we... -
THE BANTU AS FOREST BOTANIST
Item type: Journal Article • Journal: Journal of the South African Forestry Association • Authors: O.B. MILLER --- Bechuanaiand Protectorate and Swaziland, -
FORWORD
Item type: Journal Article • Journal: Journal of the South African Forestry Association • Authors: IAN CRAIB --- , -
The myth of the talkative female
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Vivian de Klerk --- Department of Linguistics and English Language, Republic of South AfricaStereotipes is abstraherings wat dit moontlik maak om dit wat andersins 'n oorweldigend uiteenlopende reeks betekenisse kan hê, te vereenvoudig en dus op indirekte wyse 'n mens se waarneming en kategorisering van mense beïnvloed. In die eerste gedeelte van hierdie... -
'n Kognitiewe model van taal: Die netwerkbenadering
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Vivian de Klerk --- Department of Linguistics and English Language, Republic of South AfricaHierdie artikel steun op die werk van Johnson-Laird, Hudson en Langacker. As alternatief vir die opvatting dat die menslike intellek formele reëls bevat wat linguistiese gedrag spesifiek beheer, word hier 'n meer algemene denkmodel voorgestel: denkmodelle vereis reëls, maar die... -
Beperkte taalvaardigheid en tipes tweetaligheidsresultate afkomstig van epidemiologiese kinderpsigolinguistiese studies en teoretiese oorwegings
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Olli Kuure --- Department of Scandinavian Languages, Finland Irma Moilanen --- Department of Pediatrics, Finland Antero Myhrman --- Department of Public Health Science, FinlandIn die eerste deel van die artikel word Psigolinguisties-relevante tipologieë van tweetaligheid bespreek en sowel 'n driedelige semioties-genetiese tipologie as 'n metodologiese model vir beide ontwikkelings- en kultureel-georiënteerde taalnavorsing met strukturele en diskoersanalitiese benaderings word aange-bied. Ons beklemtoon die belangrikheid... -
Afasia—'n relatiwisties-pragmatiese benadering
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Paul Schveiger --- Department of Russian Studies, Republic of South AfricaAs gevolg van die onlangse belangstelling in die algemene eien-skappe van kommunikasie het sielkundiges, neuroloë en filosowe begin belangstel in die pragmatiese eienskappe van afasiese kommunikasie. In hierdie artikel word die pragmatiese aspekte van afasiese kommunikasie in Engels, Hongaars, Romeens... -
Book Review
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: V. PRABHAKARAN --- Department of Indian Languages, Republic of South Africa -
Tamil lexical borrowings in South African Telugu
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Varijakshi Prabhakaran --- Department of Indian Languages, Republic of South AfricaAlhoewel Tamil en Telugu, twee tale van Drawidiese oorsprong, vir die afgelope 132 jaar in Suid-Afrika in noue kontak met mekaar was, is nog geen akademiese navorsing aangepak om die invloed van dié twee tale op mekaar te bestudeer nie... -
Language attitudes in the Eastern Cape: a tri–lingual survey
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Vivian de Klerk --- Department of Linguistics and English Language, Republic of South Africa Barbara Bosch --- Department of Afrikaans en Nederlands, Republic of South AfricaIn hierdie navorsingsprojek word gepoog om vas te stel wat die houdings van Oos-Kapenaars is teenoor die drie hooftale van die streek, Engels, Afrikaans en Xhosa. Die vermommingstegniek (‘matched-guise technique’) is gebruik ten einde te probeer vasstel watter onbewuste affektiewe... -
Tamil influence on South African Telugu — phonological adjustments
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Varijakshi Prabhakaran --- Department of Indian Languages, Republic of South AfricaIn dié artikel val die fokus op een aspek van die invloed van Tamil op Suid-Afrikaanse Telugu (STe). Daar word nagegaan hoe die beïnvloede taal fonologiese aanpassings in sy stelsel maak om Tamil-leenwoorde te absorbeer en sodoende by sy eie... -
Language attrition – a case study of Telugu language in South Africa
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Varijakshi Prabhakaran --- Department of Indian Languages, Republic of South AfricaIn die artikel ondersoek ek kortliks die verskillende aspekte van taalafslyting van 'n minderheidstaal (Telugu) in 'n afge-slote taalkundige omgewing. Die proses van Telugu-taalafslyting in Suid-Afrika word van generasie tot generasie ondersoek, naamlik vanaf die generasie van immigrante (G1) tot... -
Boekresensie / Book Review
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: VIVIAN DE KLERK --- Department of Linguistic and English Language, Republic of South Africa -
Finite v–movement in embedded clauses in west flemish
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Liliane Haegeman --- Department of Linguistics, SwitzerlandIn hierdie artikel word die woordorde-variasie in IPP komplemente in WF (1) beskryf in terme van die Minimalistiese Kontroleringsteorie (Chomsky, 1993; Haegeman, 1994b; Webelhuth, 1995). -
Taal en sedes: die nasionalistiese en religieus-morele waardes onderliggend aan taalpurisme
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Mariana Kriel --- Departement Afrikaans en Nederlands, Republiek van Suid-AfrikaIn hierdie bespreking word daar, spesifiek met verwysing na die eietydse Afrikaanse geval, geargumenteer dat nasionalistiese waardes, soms verbind met religieus-morele waardes, die basis van taalpurisme (kan) vorm. Die formule uit die Duitse Romantiek wat etnies-kultureel-linguistiese nasionalisme onderlê, naamlik taal... -
Taal en identiteitskrisis, en die alternatiewe Afrikaanse musiekbeweging
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Mariana Kriel --- Departement Afrikaans en Nederlands, Republiek van Suid-AfrikaOp die basis van 'n vergelyking met die alternatiewe Afrikaanse beweging wat ongeveer dieselfde tyd in onderwyskringe ontstaan het, word die alternatiewe Afrikaanse musiekbeweging van die laat tagtigerjare in hierdie artikel vanuit 'n sosiolinguistiese perspektief beskryf. Die argument is dat... -
Afrikaans to English: a case study of language shift
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Vivian de Klerk --- Department of Linguistics and English Language, Republic of South Africa Barbara Bosch --- Department of Linguistics and English Language, Republic of South AfricaSuid-Afrika het onlangs 'n nuwe taalbeleid verklaar waarin gelykwaardige status aan elf tale toegesê is; daar is egter bewyse dat 'n merkbare verskuiwing in taaltrou ten gunste van Engels besig is om in Suid-Afrika plaas te vind. Hierdie artikel is... -
Barbara Bosch: a tribute
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Vivian de Klerk Ian Raper -
Die studie van sportkornrnentaar in die bree teoretiese raarnwerk van diskoersanalise
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Sheenagh Brighton --- Department of Linguistics and English Language, South Africa Vivian de Klerk --- Department of Linguistics and English Language, South AfricaKommentaartaal is 'n tipiese voorbeeld van taal wat gemanipuleer word om spesifieke funksies uit te voer. Hierdie artikel gaaii egter oor meer as die beskrywing van kommentatortaal. Dit fokus veral op die ongelykhede in die ‘kwaliteit’ van uitvoering van die... -
EDITORIAL
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: Brian Allanson -
Systematics of the Thirteen-scaled Green Snake Philothamnus carinatus (Squamata: Colubridae), with the description of a cryptic new species from Central and East Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Eli Greenbaum --- University of Texas, USA Olivier S. G. Pauwels --- Royal Belgian Institute of Natural Sciences, Belgium Václav Gvoždík --- Institute of Vertebrate Biology of the Czech Academy of Sciences, Czech Republic Eugene R. Vaughan --- University of Texas, USA Teslin Chaney --- University of Texas, USA Michael Buontempo --- University of Texas, USA Mwenebatu M. Aristote --- Institut Supérieur d’Ecologie pour la Conservation de la Nature, Wandege M. Muninga --- Centre de Recherche en Sciences Naturelles, Democratic Republic of the Congo Hanlie M. Engelbrecht --- University of the Witwatersrand, South AfricaRecent molecular phylogenies of African Green Snakes suggested the geographically widespread species Philothamnus carinatus includes at least two distinct lineages. We utilised an integrative taxonomic approach with morphological and genetic data to reconcile the taxonomic status of these cryptic lineages,... -
EDITORIAL
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: Brian Allanson -
Developing an integrated ABE/ESL curriculum: Work-in-progress
Item type: Journal Article • Journal: Southern African Journal of Applied Language Studies • Authors: Marian Clifford --- ,For many years, USWE has been developing a process approach to basic ESL for adults. Although this approach has outstanding pedagogical advantages, it also has important limitations for the South African context. In the past two years this country has... -
Towards a more communicative approach to the teaching of African languages, particularly Xhosa, as second languages
Item type: Journal Article • Journal: Southern African Journal of Applied Language Studies • Authors: ZinniaN. Baai --- Department of African Languages,The changes taking place towards a non-racial South Africa and the acceptance of English as a lingua franca should be accompanied by the promotion of African languages for communication. This means that there is to be a need for teaching... -
EDITORIAL—SAJALS in transition
Item type: Journal Article • Journal: Southern African Journal of Applied Language Studies • Authors: Marian Clifford -
A Cleverly Constructed Workbook
Item type: Journal Article • Journal: Southern African Journal of Applied Language Studies • Authors: Marian Clifford -
Entering the Discourses of the University
Item type: Journal Article • Journal: Southern African Journal of Applied Language Studies • Authors: Judith Reynolds --- , Vivian de Klerk --- ,In this paper a general model is developed, based on Gee's (1990) theory of primary and secondary Discourses, in order to describe and explicate the process of the acquisition of academic literacies by two ESL students during their first academic... -
REVIEWS
Item type: Journal Article • Journal: Southern African Journal of Applied Language Studies • Authors: Vivian Westphal --- Department of Sport, Arts and Culture, Michelle Picard --- , P.C. van der Westhuizen --- , -
Assessing and monitoring rangeland condition in extensive pastoral regions using satellite remote sensing and GIS techniques: An application to the Ceres Karoo region of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C.H. Mackay --- Resource Development Section, Department of Agriculture, Republic of South Africa HX. Zietsnian --- Institute for Geographical Analysis, Republic of South AfricaThe purpose of this paper is to describe the use of satellite remote sensing and GIS techniques in applying a localised range condition assessment methodology based on fence‐line contrasts. The approach was to compute six dissimilarity indices for data on... -
Dynamics of Large Herbivore Populations in Changing Environments
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AdrianM Shrader --- , South Africa2010, Wiley-Blackwell, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK -
Estimation of browse biomass of Ficus thonningii, an indigenous multipurpose fodder tree in northern Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mulubrhan Balehegn --- Department of Animal, Rangeland and Wildlife Sciences, Ethiopia EA Eniang --- Department of Forestry and Wildlife, Nigeria Abubeker Hassen --- Department of Animal and Wildlife Sciences, South AfricaFicus thonningii is a multipurpose browse tree in northern Ethiopia. Despite its importance, techniques for quantifying its browsable biomass have not been developed. To develop best-estimation equations, the dendrometric parameters total height (H), crown height (CH), crown diameter (CD), diameter... -
Practical Field Ecology: a Project Guide
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AdrianM Shrader --- School of Life Sciences, South Africa -
Livestock and the rangeland commons in South Africa's land and agrarian reform
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ruth Hall --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South AfricaLand and agrarian reform has the potential to expand South Africa's rangeland commons and enhance their contribution to the livelihoods of the rural poor, yet to a large extent this has been an opportunity missed. Shifting policy agendas have prioritised... -
The ‘youth and agriculture’ problem: implications for rangeland development
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: MelvinB Swarts --- Agricultural Research Council–Animal Production Institute, c/o Department of Biodiversity and Conservation Biology, South Africa Michael Aliber --- Institute for Poverty, Land and Agrarian Studies, South AfricaThere is a common perception in South Africa that the youth are not interested in agriculture, leading to two concerns: first, that this is exacerbating the youth unemployment crisis, and second, that the already low levels of agricultural activity in... -
Reshaping women's land rights on communal rangeland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Karin Kleinbooi --- Institute for Poverty, Land and Agrarian Studies, South AfricaThis paper aims to contribute to the debates on communal rangelands and analyses the gendered dimension of land rights and land access in the rural areas of Namaqualand. The actual gender relations within rural communities and the emergence of strategies... -
Towards an Information System for Forestry
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Department of Forest Science, BrianV. Bredenkamp --- Department of Forest Science,Management of information as a production factor is imperative in modern forestry practice. However, development of individual application programmes has resulted in systems which cannot be integrated without excessive effort and expense. It is shown that the route to an... -
Optimising Nursery Operation Schedules with Multiperiod Linear Programming
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: RudolfJanse van Rensburg --- Department of Forest Science, South Africa BrianV. Bredenkamp --- Department of Forest Science, South AfricaA dynamic multiperiod linear programming model which addresses nursery scheduling is presented. Due to its dynamic nature, it provides a means to manage risks and uncertainties such as disease, rootstrike, germination and fluctuating demands. By optimising the whole production process,... -
Sustainability of plantation forestry: impact of species change and successive rotations of pine in the Usutu Forest, Swaziland
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Julian Evans --- , United KingdomSustainability of wood production from plantations is an important aspect of the whole sustainability issue confronting forestry. Research monitoring growth over three rotations of subtropical pine plantations in the Usutu Forest, Swaziland shows no evidence of decline in yield neither... -
Definition of post-planting acclimatisation of Pinus radiata through relative height growth rate
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: JanuszB. Zwolinski --- , South Africa BrianV. Bredenkamp --- Faculty of Forestry, South AfricaMonthly height growth of Pinus radiata D. Don seedlings after planting was monitored in two locations in the Western Cape Province of South Africa over a period of two years. Two stages in seedling development were defined and modelled with... -
The charcoal commodity chain in Maputo: access and sustainability
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Roland Brouwer --- Department of Agrarian Law, the Netherlands DâniaM. Magane --- Department of Forest Engineering, Mozambique -
A repeatability study of trait assessment in a Pinus patula breeding programme
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: MarianneH. Hettasch --- , Republic of South Africa StephenD. Verryn --- , Republic of South AfricaA repeatability study of tree height, diameter at breast height (DBH), stem and crown form assessments was undertaken. Trees were measured four times by two independent teams. The repeatability of the five traits was estimated. The effect of repeatability on... -
A Cognitive-Behavioural Treatment Programme for Conduct Disorder: The Case of Tumeleng
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ian Smith --- Psychology Department, South AfricaThis article presents a case study of a teenager with conduct disorder (CD) using a cognitive-behavioural treatment programme for anger and aggression. Unique features of the case included comorbid expressive language disorder and a history of multiple traumatic brain injuries,... -
Relationships among Leisure, Social Self-Image, Peer Pressure and At-Risk Behaviours of Adolescents in Nigeria
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alfred A. Adegoke --- University of Ilorin, Nigeria Christiana A. Ayoade --- University of Ilorin, NigeriaThis study investigated the relationships among leisure, social self image, peer pressure and at-risk behaviours of adolescents in Nigeria. It also examined the moderating roles of gender, age, and locale and school type on measured relationships. A total of 1,141... -
Children's Loss of Agency under Extreme Adversity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bev Killian --- University of KwaZulu-Natal, Mary Van der Riet --- University of KwaZulu-Natal, Angela Hough --- University of KwaZulu-Natal, Vivien O'Neill --- University of KwaZulu-Natal, Thabisile Zondi --- University of KwaZulu-Natal,This study explores the notion of children's agency in situations of extreme adversity. The child participants (n=117) live in the midst of the HIV/AIDS pandemic; extreme poverty; and systemic educational malfunction. Four focus group interviews were conducted with the children... -
Photovoice as a Methodological Tool to Address HIV and AIDS and Gender Violence amongst Girls on the Street in Rwanda
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jean-Paul Umurungi --- National University of Rwanda, Claudia Mitchell --- McGill University, Myriam Gervais --- McGill University, Eliane Ubalijoro --- McGill University, Violet Kabarenzi --- Rwanda National Police,This study involved a particular group of children in Rwanda—girls who are living on the street and who miss out on education. Noting their relative absence from “the picture” in relation to accesses to services, the study explored how participatory... -
Psychological Distress in Orphan, Vulnerable Children and Non-Vulnerable Children in High Prevalence HIV/AIDS Communities
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bev Killian --- University of KwaZulu-Natal, Kevin Durrheim --- University of KwaZulu-Natal,The degree of psychological distress and access social support is investigated in children (n = 741) living in nine high prevalence HIV/AIDS communities. They comprised (i) vulnerable, maternally-orphaned (n = 319); (ii) vulnerable and not orphaned (n = 276); and... -
The Socio-Historical Context of In-School Corporal Punishment in a KwaZulu-Natal Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Viv O'Neil --- University of KwaZulu-Natal, South Africa Beverley Killian --- University of KwaZulu-Natal, South Africa Angela Hough --- University of KwaZulu-Natal, South AfricaThis article presents part of the results of an investigation into barriers to learning in the context of HIV in Richmond, a small KwaZulu-Natal town. Participants were learners from Grades 3,6, and 9(N=117; males=59; females=58). Data were collected by individual... -
Estimating One's Own and Others' Multiple Intelligence: A Cross-Cultural Study from Guinea Bissau and Portugal
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Félix Neto --- Universidade do Porto, Portugal Adrian Furnham --- Department of Psychology, UK Maria da Conceição Pinto --- Universidade do Porto, PortugalThis study examined the estimations of multiple intelligences for self, partner and parents. One hundred and fifty two students (males = 81, females = 68, and 3 have not indicated their sex; mean age = 24.02, SD = 3.08) from... -
A Prospective Model for HIV and AIDS Prevention in an African Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Clvin Gwandure --- Nelson Mandela Metropolitan University, South Africa Thokozile Mayekiso --- Nelson Mandela Metropolitan University, South Africa Diane Elkonin --- Nelson Mandela Metropolitan University, South AfricaThe study conceptualizes locus of control as a behavioural mechanism for HIV and AIDS prevention. The locus of control variables that could build the model are: social systems control, self-control, fatalism, achievement-oriented behaviour, willingness to delay gratification, personal values and... -
Experience of Women after a Spontaneous Abortion
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elsie Janse van Rensburg --- University of Pretoria, South Africa Marie Poggenpoel --- University of Johannesburg, South Africa Chris Myburgh --- University of Johannesburg, South Africa Diana Du Plessis --- University of Johannesburg, South AfricaThe objective of this research was to explore and describe the experience of women after a spontaneous abortion to facilitate the mental health of these women in future. The participants in this study were seven white South African (ages range... -
Self-efficacy, Work, and Psychological Outcomes in a Public Service Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shelley-Ann Williams --- North-West University (Potchefstroom Campus), South Africa Marié P. Wissing --- North-West University (Potchefstroom Campus), South Africa Sebastiaan Rothmann --- North-West University (Vaal Triangle Campus), South Africa Q. Michael Temane --- North-West University (Potchefstroom Campus), South AfricaThe study examined the prediction of psychological outcomes (conceptualized as psychological well-being and engagement) by general self-efficacy (GSE) and work context (conceptualized as job demands and job resources). The role of GSE as a moderator between work context and psychological... -
Cultural Adjustment of International Students at an African University
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tapologo Maundeni --- University of Botswana, Tumani Malinga --- University of Botswana, Diana Kgwatalala --- University of Botswana, Ibirige Kasule --- University of Botswana,The study explored the cultural adjustment needs of international students enrolled with an African university. Participants were 33 students (males = 13, females = 20). They took part in-depth individual interviews and focus group discussions on pertinent adjustment needs. Data... -
A Cross-Cultural Comparison of Motivational Factors in Kenyan and Danish Middle and Long Distance Elite Runners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anne-Marie Elbe --- University of Copenhagen, Christian Madsen --- University of Copenhagen, Julie Midtgaard --- Copenhagen University Hospital,This study examined similarities and differences in motivational factors and reasons for running between Kenyan and Danish elite runners. Participants were elite middle and long distance runners (distances from 800m to marathon) from Kenya (n = 139, males = 114,... -
Constructions of Masculinity, Mental Toughness and the Inexpressibility of Distress among a Selected Group of South African Veterans of the ‘Bush War’ in Namibia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Diana Gibson --- University of the Western Cape,The study examined the manner in which conscripted combat veterans make meaning of their violent experiences during the apartheid-era ‘Bush War’ in the border area between Namibia and Angola. A total of 43 ex-combatants participated in the study (23 Afrikaans-speaking;... -
Exploring the Intersecting Health Risks of Substance Abuse, Sexual Risk, and Violence for Female South African Teen Dropouts
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kyla Marie Sawyer-Kurian --- North Carolina Central University, USA Felicia A. Browne --- RTI International, USA Tara Carney --- Medical Research Council, South Africa Petal Petersen --- Medical Research Council, South Africa Wendee M. Wechsberg --- RTI International, USAThe study sought to better understand the cultural contexts of the risks for adolescent females who have dropped out of school. Focus groups were conducted with 37 Black and Coloured females aged 13 to 17 in Cape Town, South Africa... -
Speech and Language Disorders in Kenyan Children: Adapting Tools for Regions with Few Assessment Resources
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Julie Anne Carter --- The Centre for Geographic Medicine Research (Coast), Grace Murira --- The Centre for Geographic Medicine Research (Coast), Joseph Gona --- The Centre for Geographic Medicine Research (Coast), Judy Tumaini --- The Centre for Geographic Medicine Research (Coast), Janet Lees --- Neurosciences Unit, Brian George Neville --- Neurosciences Unit, Charles Richard Newton --- The Centre for Geographic Medicine Research (Coast),This study sought to adapt a battery of Western speech and language assessment tools to a rural Kenyan setting. The tool was developed for children whose first language was KiGiryama, a Bantu language. A total of 539 Kenyan children (males=271,... -
Sense of Coherence and Quality of Life in Elderly Persons Living with Diabetes Mellitus: An Exploratory Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melody Knight --- Nelson Mandela Metropolitan University, Diane Elkonin --- Nelson Mandela Metropolitan University, Ottilia Brown --- Nelson Mandela Metropolitan University,This study sought to explore and describe the sense of coherence (SOC) and quality of life (QoL) in elderly people living with diabetes mellitus (DM). Participants were 72 elderly persons with DM (men = 19, women = 53, M (age)... -
The Philosophical Assumptions, Utility and Challenges of Asset Mapping Approaches to Community Engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sherianne Kramer --- University of South Africa, South Africa Taryn Amos --- University of South Africa, South Africa Sandy Lazarus --- University of South Africa, South Africa Mohamed Seedat --- University of South Africa, South AfricaThis literature review is a discussion of asset-based approaches to community engagement. Following a literature search, we identified several asset mapping approaches: Asset-Based Community Development (ABCD); Participatory Inquiry into Religious Health Assets, Networks and Agency (PIRHANA); Community Health Assets Mapping... -
Efficacy Evaluation of a Leadership Development Assessment Centre For Managers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lené I. Jorgensen --- North-West University, South Africa Bianca Els --- North-West University, South AfricaThis study evaluated the efficacy of a leadership development intervention using an assessment centre approach. Participants were 72 managers and peer workers (50%) with a steel manufacturing organisation from the Gauteng province of South Africa (females = 17% and males... -
Distinct digits in base b expansions of linear recurrence sequences
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Florian LucaLet (u n ) n be a linear recurrence sequence of integers and let b > 1 be a natural number. In this paper, we show that under some mild technical assumptions the base b expansion of |u... -
Banach Spaces with Complete Continuity Properties
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Narcisse RandrianantoaninaLet X be a Banach space, (Ω, Σ, λ) be a finite measure space and G be a compact metrizable group. We discuss the complete continuity properties related to subsets of the dual group G for Bochner spaces. It is... -
On Contractibility of Matrix Algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohammad Sal Moslehian Assadollah Niknam. We show first that for each C*-algebra A, contractibility of A implies contractibility of M n (A). We next prove that an incidence algebra A of upper triangular matrices, defined by a partially ordered set Ω on {1, 2,...,n}... -
Distinguished Liftings and the André-oort Conjecture
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Florian BreuerIn this paper we study liftings of affine varieties from finite fields to number fields, such that the lifted varieties contain specified "canonical" lifts of points. If this canonical lifting of points corresponds to the Deuring-Serre-Tate lift of j-invariants of... -
Equivalence Properties For The Radon-Nikodym Property Types and The Complete Continuity Property Types Of Banach Spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: MangatianaA. RobderaWe show that the types, I- and II-Λ-Radon-Nikodym Property of Banach spaces on the one hand, and the I- and II-Λ-Complete Continuity Property on the other, are equivalent properties whenever Λ is an ordering subset of a discrete abelian group. -
A Non-topologically Generated Hutton-lowen Uniformizable Space
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sanjiang Li Dexue ZhangIn this note, it is shown that there exist non-topologically generated spaces which are both Lowen uniformizable and Hutton uniformizable. On the other hand, the FNS-coreflection of the Hutton unit interval I(I) is neither Lowen uniformizable nor Hutton uniformizable. -
Unity of compactness
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: BrianL. Davis Iwo LabudaLet X be paracompact, that is, every open cover P of X admits a locally finite open refinement R covering X. Does there exist a class D of covers of X such that the paracompactness of X is equivalent to... -
L p -valued Measures Without Finite X-semivariation for 2 < p < ∞
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Brian Jefferies Susumu Okada Luis Rodrígues-PiazzaWe show that for 1 ≤ p < ∞, the property that every L p -valued vector measure has finite X-semivariation in L p (μ, X) is equivalent to the property that every continuous linear map from l... -
On the Maximal Function for the Generalized Ornstein-uhlenbeck Semigroup.
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jorge Betancor Liliana Forzani Roberto Scotto WilfredoO. UrbinaIn this note we consider the maximal function for the generalized Ornstein-Uhlenbeck semigroup in R associated with the generalized Hermite polynomials {H μ n } and prove that it is weak type (1,1) with respect to dλ... -
A NOTE ON REGULAR AND EXTREYAL SUBOBJECTS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: LUCIANO STRAMACCIA --- LUCIANO STRAMACCIA Dipartimento di Matematica, ITALIAIn the general setting of a complete, well-powered category A, we define and study two universal closure operations: regularization and extremalization, by means of regular and extremal subobjects of A. respectively. A general theorem of characterization of epimorphisms in A... -
Functional Calculus, Integral Representations, and Banach Space Geometry
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ian Doust --- School of Mathematics, Australia Ralph deLaubenfels --- Department of Mathematics, USAOn suitable Banach spaces, the existence of a certain functional calculus for an operator is equivalent to that operator having a certain integral repreaentation with respect to some family of projections. In this paper we consider the problem of identifying... -
NOTES ON NILPOTENCY OF NIL SUBRINGS OF ENDOMORPHISM RINGS OF MODULES
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yiqiang Zhou --- Department of Mathematics, CanadaA family K of right R-modules is called a natural class if K is closed under submodules, direct sums, infective hulls, and isomorphic copies. The main result of this note is the following: Let K be a natural class on... -
RELATIVE INJECTIVITY OF MODULES AND EXCELLENT EXTENSIONS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M.M. Parmenter --- Department of Mathematics and Statistics, Canada Yiqiang Zhou --- Department of Mathematics and Statistics, CanadaLet S be an excellent extension of a ring R 1, M an S-module and N an R-module. It is proved that M s is an SI-module iff M R is an SI-module and that NR is an SI-module iff... -
ON LOCALLY COUNTABLY S-CLOSED AND LOCALLY RC-LINDELÖF SPACES
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Julian Dontchev --- Department of Mathematics, Finland Maximilian Ganster --- Department of Mathematics, Austria Chariklia Konstadilaki --- Department of Mathematics, Faculty of Sciences, GreeceThe aim of this paper is to continue the study of some topological properties weaker than S-closed, this time via a local point of view. We show that every focally countably S-closed km-perfect space is extremally disconnected as well as... -
WELL-BOUNDED OPERATORS ON NON-REFLEXIVE BANACH SPACES II
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Qingping Cheng --- Institute of Mathematics, Hebrew University of Jerusalem, Givat-Ram, Jerusalem, Israel, Ian Doust --- School of Mathematics, University of New South Wales, Sydney, NSW, Australia,In this paper we examine the relationship between the various subclasses of well-bounded operators. Although some of these subclasses have been shown to coincide on certain families of Banach spaces, we show here that apart from these previously known cases,... -
BOUNDED SUBSETS AND WEAK REALCOMPACTNESS CONDITIONS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. Kundu --- Department Of Mathematics, Indian Institute of Technology, Delhi, New Delhi, India, A. B. Raha --- Stat-Math Division, Indian Statistical Institute, Calcutta, India, M. A. Swardson --- Department of Mathematics, Ohio University, Athens, Ohio, USA,A subset A of X is bounded if every continuous real-valued function on X is bounded on A. A completely regular Hausdorff space X is said to have the bz-property if every bounded subset of X is contained in a... -
UNIFORM SMOOTHNESS ENTAILS HAHN-BANACH
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Edmond Albius --- ERMIT, Département de Mathématiques et Informatique, France Marianne Morillon --- ERMIT, Département de Mathématiques et Informatique, FranceWe show in set theory ZF (without the Axiom of Choice), that uniformly smooth normed spaces satisfy an effective and geometric form of the Hahn-Banach property. We also compare in ZF the two notions of Gâteaux differentiability and smoothness of... -
UG-Differentiability Entails Hahn-Banach
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Marianne Morillon --- ERMIT, Département de Mathématiques et Informatique, FranceDenoting by ACN the countable axiom of choice, we show in ZF+AC N that the dual ball of a uniformly Gâteaux-differentiable normed space is compact in the weak* topology.In ZF, we prove that this dual ball is (closely) convex-compact in... -
Power sums of Fibonacci and Lucas numbers
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wenchang Chu --- , P.R. China NadiaN. Li --- , P.R ChinaPolynomial representation formulae for power sums of the extended Fibonacci-Lucas numbers are established, which include, as special cases, four formulae for odd power sums of Melham type on Fibonacci and Lucas numbers, obtained recently by Ozeki and Prodinger (2009). -
On a Diophantine equation of Ayad and Kihel
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohamed El Bachraoui --- Department of Mathematical Sciences, College of Science, UAE Florian Luca --- Instituto de Matemáticas, MéxicoLet f(n) denote the number of relatively prime sets in {1, … , n}. This is sequence A085945 in Sloane's On-Line Encyclopedia of Integer Sequences. Motivated by a paper of Ayad and Kihel [1], we show that there are at... -
Hard pseudocompact spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Partha Pratim Ghosh --- Indian Statistical Institute, North East Centre, India Biswajit Mitra --- School of Mathematical Sciences, South AfricaThe purpose of this paper is to show that hard pseudocompact spaces are indeed a significant generalisation of pseudocompact spaces on one hand and realcompact spaces on the other. To achieve this we have provided four intrinsic characterisations of hard... -
A note on generating functions for Rogers-Szegő polynomials
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jian Cao --- Department of Mathematics, P.R. ChinaIn this paper, the details of certain Carlitz's generating functions for Rogers-Szegőpolynomials and their generalizations are given by Carlitz's q-operators. In addition, an additional proof of Srivastava-Jain's generating function is shown. At last, generalizations of Srivastava-Agarwal type generating functions are... -
More on operator Bellman inequality
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: F. Mirzapour --- Department of Mathematics, Faculty of Sciences, Iran A. Morassaei --- Department of Mathematics, Faculty of Sciences, Iran M.S. Moslehian --- Department of Pure Mathematics, Center of Excellence in Analysis on Algebraic Structures (CEAAS), IranWe present a Bellman inequality involving operator means for operators acting on a Hilbert space. We also give some Bellman inequalities concerning sesquilinear forms. Finally, we refine the Jensen's operator inequality and use it for obtaining a refinement of the... -
The Riesz convergence property on weighted Lorentz spaces and Orlicz-Lorentz spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hongliang Li --- Department of Mathematics, P.R.ChinaIn this paper, we define new Orlicz-Lorentz spaces . We find the necessary condition and sufficient condition for quasi-normed weighted Lorentz spaces to have Riesz convergence property. Also, we find the similar result for quasi-normed Orlicz-Lorentz... -
Towards a Corpus of Black South African English
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Vivian de KlerkThis paper describes the proposed structure and design for a corpus of Xhosa English, which should ultimately form part of a larger corpus of Black South African English (BSAE). The planned corpus (which already comprises 100 000 transcribed words) is... -
Dear Reader: A textual analysis of magazine editorials
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sharon Thompson Vivian de KlerkThis research aimed to investigate the conventions and differences that exist across the genre of the editorial column in magazines, which included investigating how the form of editorials is related to their functions and how ideology is conveyed implicitly and... -
The language of truth and reconciliation: was it fair to all concerned?
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Vivian de KlerkWords count in law and legal language exerts a considerable influence because it is through language that the intentions of the law giver are made clear, judgments are pronounced and social behaviour is regulated. Using a corpus of over 455... -
An attitude scale for measuring language attitudes at South African tertiary institutions
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian BekkerThis article presents findings based on an exploratory factor analysis of the results of a mini-survey conducted at the University of South Africa (UNISA). The factor-analytic results are subjected to an item analysis, which allows for the construction of an... -
Pre-emigration reflections: Afrikaans speakers moving to New Zealand
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Vivian de Klerk Gary BarkhuizenThis article reports on the pre-emigration reflections of 15 Afrikaans speakers, all of whom were in the final stages of preparing to emigrate to New Zealand. The study explores the linguistic histories of the participants, their attitudes to their mother... -
Attitudes of Xhosa-speaking students at the University of Fort Hare towards the use of Xhosa as a language of learning and teaching (LOLT)
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Lorenzo Dalvit Vivian de KlerkThis article presents and discusses the results of a survey of a sample of Xhosa-speaking students at the University of Fort Hare regarding their attitudes towards the possible introduction of Xhosa as a medium of instruction at this institution. The... -
Inversion structures in Northern Sotho
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sabine ZerbianInversion structures, in which the logical subject appears in postverbal position, are a wide-spread phenomenon among Bantu languages. The paper presents an overview of inversion structures in Bantu languages and describes in detail the inversion constructions in the Southern Bantu... -
Invoking the feminine physical ideal: bitch-slapping, she-men and butch girls
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Kiran Pienaar Ian BekkerThis paper presents the results of research on the discursive construction of one aspect of gender identity: the female physical ideal. Applying Butler's (1993) theory of performativity to a real-life local context, it critically analyses how a group of young... -
TRANSMISSION: a South African choreographer uses language to reflect on the gendered 'embodiment' of writing with and on the body
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Lliane LootsThis article takes on Maurice Merleau-Ponty's (1962) notion of the body as the prime means of knowing the world to argue for the linguistic value of dance and contemporary choreography as text — text written on and with the body... -
An acoustic analysis of White South African English (WSAfE) monophthongs
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Bekker Georgina EleyThis article has two main aims: (1) to introduce instrumental acoustic techniques to the analysis of the WSAfE accent, and (2), to provide tentative evidence for a new prestige value in the Johannesburg (Northern Suburbs) variety of this accent. As... -
The body as a site of struggle: oppositional discourses of the disciplined female body
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Kiran Pienaar Ian BekkerThis article presents the results of a study on the discursive construction of one aspect of gender identity, namely the female physical ideal. It reports on an analysis of the discourses of the disciplined female body, as these are drawn... -
The attitudes of isiXhosa-speaking students toward language of learning and teaching issues at Rhodes University, South Africa: General trends1
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Philomina Aziakpono --- English Language and Linguistics Department, Grahamstown Ian Bekker --- English Language and Linguistics Department, GrahamstownThis paper, selectively based on the results of Aziakpono (2007), examines the beliefs of isiXhosa-speaking students and in the process reveals their attitudes toward various languages of learning and teaching (LOLT) issues at Rhodes University, South Africa. The relevant data... -
Realisation of two adjacent high tones: Acoustic evidence from Northern Sotho
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sabine Zerbian --- Department of Linguistics, Germany Etienne Barnard --- Human Language Technologies Research Group, South AfricaWe present findings of a multi-speaker production study that was undertaken to investigate the realisation of two adjacent high tones within the verb word in Northern Sotho, a Southern Bantu language. Experimental tokens are selected to ensure that the high... -
Dentalisation as regional indicator in General South African English: An acoustic analysis of /z/, /d/ and /t/
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Cathleen O’Grady --- Department of English Language and Linguistics, South Africa Ian Bekker --- School of Languages, Potchefstroom Campus, South AfricaDrawing on Bekker's (2007) study on the dentalisation of /s/ among young middle-class females from Johannesburg, this research aims to test whether the other traditionally alveolar oral obstruents, namely /z/, /d/ and /t/, are similarly fronted. The speech of two... -
Can contracts be both plain and precise?
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Siebörger --- Department of English Language and Linguistics, South Africa RalphD Adendorff --- Department of English Language and Linguistics, South AfricaOne argument against the use of plain language in legal documents is that it is impossible to convey legal meanings in plain language with the same precision as in specialist legal discourse (Hunt, 2003). We tested this claim by redrafting... -
Variation in the grammar of Black South African English. By Verena Minow
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sabine Zerbian --- Department Linguistics, Germany -
Is reading in an agglutinating language different from an analytic language? An analysis of isiZulu and English reading based on eye movements
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Bertus van Rooy --- School of Languages, Vaal Triangle Campus, Elizabeth J Pretorius --- Department of Linguistics,In this article we examine the reading ability of Grade 4 learners in their home language, isiZulu and in English (first additional language), using both eye-tracking activities and traditional pen-and-paper reading comprehension assessment. The aim of the study was twofold:... -
Growing up in an era of AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Catrine Christiansen Marguerite Daniel C Bawa Yamba -
Positioning children and institutions of childcare in contemporary Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Catrine ChristiansenCurrently more than half the population of Uganda is under 18 years — a demographic dispensation caused by civil war, poverty, high fertility rates, and the AIDS epidemic. Drawing upon ethnographic research in south-eastern Uganda, the study analyses the difficulties... -
Psychosocial disadvantage: preparation, grieving, remembrance and recovery for orphans in eastern Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Brian Howard Nelia Matinhure SherylA McCurdy Cary Alan JohnsonFew programmes for sub-Saharan Africa's 12.3 million children orphaned by AIDS have focused on their high risk for psychosocial problems. As groundwork for supporting orphans' healthy development, this study describes the preparation, grief, and memorial experiences and the physical and... -
Understanding visuals in HIV/AIDS education in South Africa: differences between literate and low-literate audiences
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Adelia Carstens Alfons Maes Lilian Gangla-BirirThis article reports on a research project aimed at determining the scope and nature of differences in picture comprehension between literate and low-literate audiences in the context of HIV and AIDS. Structured interviews were held with 30 low-literate and 24... -
Faithfulness to partners: a means to prevent HIV infection, a source of HIV infection risks, or both? A qualitative study of women's experiences in Abidjan, Côte d'Ivoire
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: ThomasM Painter KassambaL Diaby DanielleM Matia LillianS Lin ToussaintS Sibailly MoïseK Kouassi EhounouR Ekpini ThierryH Roels StefanZ WiktorA cross-sectional study was carried out at a programme to prevent mother-to-child transmission of HIV (MTCT) at a public antenatal clinic in Abidjan, Côte d'Ivoire. The objectives were to obtain information from women concerning their reactions to HIV test results... -
Awareness of HIV/AIDS and its oral manifestations among people living with HIV in Dar es Salaam, Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Febronia Kahabuka Flora Fabian Poul Erick Petersen Hubert NguvumaliThe aim of this study was to investigate the awareness of the oral manifestations of HIV/AIDS and general issues about HIV and AIDS among people living with HIV (PLHIV) in Dar es Salaam, Tanzania. A structured questionnaire was used to... -
An assessment of counselling and support services for people living withHIV in Gauteng, South Africa: findings of a baseline study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sadiyya Haffejee --- Emthonjeni Centre, School of Human and Community Development, South Africa Iris Groeneveld --- , United Kingdom Diane Fine --- Department of Psychology, School of Human and Community Development, South Africa Rabia Patel --- Department of Psychology, School of Human and Community Development, South Africa Brett Bowman --- Department of Psychology, School of Human and Community Development, South AfricaAn increasing body of literature shows that HIV/AIDS and mental health issues are closely related. In spite of this, the mental health correlates of HIV and AIDS remain largely unacknowledged and under-researched in sub-Saharan Africa. Furthermore, despite guidelines by the... -
Introduction—The redemptive moment: HIV treatments and theproduction of new religious spaces
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Hansjörg Dilger --- , Germany Marian Burchardt --- , Germany Rijk van Dijk --- , The Netherlands -
A critical historical analysis of the South African Catholic Church's HIV/AIDS response between 2000 and 2005
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Stephen Muoki Joshua --- School of Religion and Theology, Department of History of Christianity, South AfricaThe South African HIV and AIDS experience is unique in many ways considering the country's delayed and robust epidemic, the apartheid context, and successive HIV-denialist government regimes. While the struggle for democracy may have overshadowed the enormity of the unfolding... -
A framework to expand public services to children with biomedical healthcare needs related to HIV in the Free State, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marianne Reid --- , South Africa Yvonne Botma --- Faculty of Health Sciences, School of Nursing, South AfricaThe study undertook the development of a framework for expanding the public services available to children with biomedical healthcare needs related to HIV in South Africa. The study consisted of various component projects which were depicted as phases. The first... -
How disclosure and antiretroviral therapy help HIV-infected adolescents in sub-Saharan Africa cope with stigma
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Vivian Midtbø --- Department of Health Promotion and Development, Norway Violeth Shirima --- Department of Health Promotion and Development, Norway Morten Skovdal --- Department of Health Promotion and Development, Norway Marguerite Daniel --- Department of Health Promotion and Development, NorwayHIV-related stigma has a major impact on the health and psychosocial wellbeing of HIV-infected children and youths. While there is some debate about the extent to which improved access to antiretroviral therapy (ART) contributes to a reduction in HIV stigma,... -
Questioning the use-value of social relationships: care and support of youths affected by HIV in child-headed households in Port Elizabeth, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Diana Van Dijk --- Centre for International Development Issues Nijmegen (CIDIN), The Netherlands Francien Van Driel --- Centre for International Development Issues Nijmegen (CIDIN), The NetherlandsThe opinion that the extended family can fulfil its supportive role in assisting child-headed households continues to exist. How these households encounter support, what this support entails, and how they experience this support is an under-researched subject. Most research literature... -
HIV/AIDS patient satisfaction with a food assistance programme in Sofala province, Mozambique
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mariana Posse --- Faculty of Economics and Management, Mozambique Rob Baltussen --- Department of Primary and Community Care, The NetherlandsFood insecurity is one of the main factors affecting access and adherence to antiretroviral treatment (ART) in middle- and low-income countries. To mitigate this problem, food assistance interventions are being integrated in ART programmes. As evidence of effectiveness of these... -
Fish migrations in two seasonal streams in Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Brian Gratwicke BrianE MarshallFish migrations into the streams of seasonally-flooded depressions (or dambos) that cover the central plateaus of Africa are a well-known phenomenon to scientists and lay people alike. However, the factors causing seasonal migrations are poorly understood and most scientific references... -
Fecundity and sexual maturity of the crab Macrophthalmus depressus (Brachyura: Ocypodidae) from Inhaca Island, Mozambique
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Carlos Litulo Adriano Macia FernandoLM MantelattoSome reproductive aspects of the ocypodid crab Macrophthalmus depressus, were investigated, with emphasis on fecundity and sexual maturity. Random intertidal crab samples taken in October 2002 were identified, sexed, measured, checked for the presence of eggs on female pleopods, dissected... -
Fish communities along environmental gradients within the Comoé River basin, Côte d'Ivoire
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: StanislasS Yao EssetchiP Kouamélan Tidiani Koné Valentin N'Douba Gooré Bi Frans Ollevier DirkF E Thys van den AudenaerdeEighty-four sites in the Comoé basin (Côte d'Ivoire, West Africa) were sampled to identify fish assemblages and their relationships with some environmental variables. Seventy-six freshwater fish species were collected from 22 families and 44 genera: 11 marine and/or brackish water... -
Update on the bathymetry of Lake Mweru (Zambia), with notes on water level fluctuations
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ArthurR Bos CyprianK Kapasa PaulAM van ZwietenA new bathymetric map of Lake Mweru was developed, displaying previously unknown morphological features and correcting the shape of the shoreline as presented in older maps. Water depth was measured during 11 transect cruises in early 1994. Two depressions were... -
Seasonal and diurnal stratification in two small Zimbabwean reservoirs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Tamuka Nhiwatiwa BrianE MarshallSeasonal and diurnal stratification patterns were studied in two small Zimbabwe reservoirs. The water level of the upper reservoir fluctuated more than that of the lower one and theoretical water retention times were 9 days and 3.6 days, respectively. Rainfall... -
Comparative analysis of the aquaculture potential of hybrid Tilapia zillii (male) × T. guineensis (female) (Teleostei: Cichlidae) in floating cages, cement tanks and earth ponds
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CélineSK Nobah Tidiani Koné Valentin N'Douba Jos Snoeks Gouli Gooré Bi EssetchiP KouamélanThe effect of three rearing systems, floating cages, cement tanks and earth ponds, on the growth rate, feeding efficiency and mortality rates of hybrid tilapia — Tilapia zillii (male) × T. guineensis (female) — was evaluated for 233 days. Fish... -
Guides to the Freshwater Invertebrates of Southern Africa. Volume 5: Non-Arthropods. The Protozoans, Porifera, Cnidaria, Platyhelminthes, Nemertea, Rotifera, Nematoda, Nematomorpha, Gastrotrichia, Bryozoa, Tardigrada, Polychaeta, Oligochaeta and Hirudinea
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Ian Gaigher --- , South AfricaMarch 2002, Water Research Commission, Pretoria, South Africa -
Has climate change disrupted stratification patterns in Lake Victoria, East Africa?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BE Marshall --- Lake Victoria Fisheries Organisation, Uganda CN Ezekiel --- Tanzanian Fisheries Research Institute, Tanzania J Gichuki --- Kenya Marine and Freshwater Fisheries Institute, Kenya OC Mkumbo --- Lake Victoria Fisheries Organisation, Uganda L Sitoki --- Kenya Marine and Freshwater Fisheries Institute, Kenya F Wanda --- National Fisheries Resources Research Institute, UgandaClimate change may threaten the fisheries of Lake Victoria by increasing density differentials in the water column, thereby strengthening stratification and increasing the intensity and duration of deoxygenation in the deeper waters. Between 1927 and 2008 the lake's temperature increased... -
PARASITISM OF THE COMMON WAXBILL ESTRILDA ASTRILD BY THE PIN-TAILED WIDOW-BIRD VIDUA MACROURA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: C. J. Skead --- Kaffrarian Museum, King William's Town, -
SHORT NOTES
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: J. M. Winterbottom --- South African Museum, Cape Town, P. J. Wilson P. A. Clancey --- Museum and Art Gallery, Durban, J. M. Winterbottom --- S.A. Museum, Cape Town, P. A. Clancey --- Museum and Art Gallery, Durban, D. Goodwin --- c/o Bird Room, British Museum, London, Alexander Wetmore --- Smithsonian Institution, Washington, D.C., J. M. Winterbottom --- South African Museum, Cape Town, J. M. Winterbottom --- South African Museum, Cape Town, -
THE AFRICAN SKIMMER RHYNCHOPS FLAVIROSTRIS: POPULATION COUNTS AND BREEDING IN THE NSEFU GAME RESERVE
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: R. I. G. Attwell --- Northern Rhodesian Game Department, -
SHORT NOTES
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: D.M. Skead --- , P.le S. Milstein --- , J. Martin --- , J. Macleod --- , W.T. Ferguson --- , J.S. Taylor --- , M.B. Markus --- , T. Powett --- , J. Martin --- , E. Martin --- , R. Martin --- , E. Middlemiss --- , G.R. McLachian --- , R.Charles Long --- , R.Charles Long --- , -
THE USE OF MUD IN NEST-BUILDING—A REVIEW OF THE INCIDENCE AND TAXONOMIC IMPORTANCE
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Rowley --- , Australia -
MESSAGES FROM ASSESSOR MEMBERS OF THE BOARD OF CONTROL
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Julian Huxley A. Landsborough Thomson -
Short Notes
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: G.J. Broekhuysen --- Dept. of Zoology, C.J. Vernon --- , LesterL. Short --- , P.A. Clancey --- , W.R. Siegfried --- , P. G. H. Frost --- , Peter Steyn --- , Rhodesia DavidM. Skead --- , G.L. Maclean --- Dept. of Zoology, DavidM. Skead --- , G.J. Broekhuysen --- Dept. of Zoology, W.R. Siegfried --- , P. G. H. Frost --- , M.B. Markus --- , E. P. V. Dudley --- , Rhodesia A.J. Tree --- , R.M. Harwin --- Rhodesian Ornithological Society, R.P. Borreit --- , Rhodesia H.E. Wolters --- , W. Germany -
OBITUARY
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Julian Huxley -
THE DIET OF THE CURLEW SANDPIPER AT LANGEBAAN LAGOON, SOUTH AFRICA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: GillianM. Puttick --- , South AfricaPuttick, G. M. 1978. The diet of the Curlew Sandpiper at Langebaan Lagoon, South Africa. Ostrich 49:158-167. -
SHORT NOTES
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A. Clark --- , South Africa J. Cooper --- , South Africa DavidB. Peakall --- Canadian Wildlife Service, Canada A.C. Kemp --- , South Africa P. A.R. Hockey --- , South Africa J. Cooper --- , South Africa A.L. Batchelor --- , South Africa P.A. Clancey --- , South Africa G.L. Maclean --- Department of Zoology, South Africa J. Frank Walsh --- , England -
SHORT NOTES
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A. Craig --- Department of Zoology and Entomology, R.D. Wooller --- , South Africa T.O. Osborne --- Alaska Department of Fish and Game, U.S.A. Ian Davidson --- , C.H. Langley --- , J. Frazier --- Department of Zoological Research, U.S.A. A. Berruti --- , South Africa A. Clark --- , -
SEASONAL VARIATIONS IN THE ENERGETICS OF TERRITORIAL CAPE SUGARBIRDS
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: BrianG. Collins --- Percy Fitzpatrick Institute of Ornithology,Collins, Brian G. 1983. Seasonal variations in the energetics of territorial Cape Sugarbirds. Ostrich. 54:121-125. -
REVIEWS
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: T.B. Oatley David Allen Adrian Craig David Allan R.M. Little -
First African Record of Leucocytozoon anellobiae (Apicomplexa: Leucocytozoidae) in Gurney's Sugarbird Promerops gurneyi
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: G.F. Bennett --- International Reference Centre for Avian Haemotozoa (IRCAH), Department of Biology, Canada D.H. de Swardt --- , South Africa -
HUNTING BEHAVIOUR OF BLACKSHOULDERED KITES IN THE AMERICAS, EUROPE, AFRICA AND AUSTRALIA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: JohnM. Mendelsohn --- , South Africa FabianM. Jaksić --- Departamento de Biologia Ambiental,Mendelsohn, J. M. & Jaksić, F. M. 1989. Hunting behaviour of Blackshouldered Kites in the Americas, Europe, Africa and Australia. Ostrich 60:1-12. -
REVIEWS
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig J. Cooper -
PREFERENTIAL FORAGING BY HONEYEATERS IN THE JARRAH FOREST OF WESTERN AUSTRALIA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: BrianG. Collins --- , Western Australia James Grey --- , Western AustraliaCollins, B.G. & Grey, J. 1988. Preferential foraging by honeyeaters in the jarrah forest of Western Australia. Ostrich suppl. 14:39-47. -
REVIEWS
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig Adrian Craig Adrian Craig JamesA. Harrison Peter Steyn W.K. Steele Linda Vanherck -
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 AfricaBennett, 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. -
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 -
SEASONAL MIGRATION OF TERRESTRIAL BIRDS ALONG THE SOUTHERN AND EASTERN COASTS OF SOUTHERN AFRICA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A. Berruti --- , South Africa J.A. Harrison --- Avian Demography Unit, Department of Statistical Sciences, South Africa R.A. Navarro --- Avian Demography Unit, Department of Statistical Sciences, South AfricaBerruti, A., Harrison, J.A. & Navarro, R.A. 1994. Seasonal migration of terrestrial birds along the southern and eastern coasts of southern Africa. Ostrich 65: 54–65. -
EVIDENCE FOR SEASONAL MOVEMENTS BY ROCK KESTRELS FALCO TINNUNCULUS AND LANNER FALCONS F. BIARMICUS IN SOUTH AFRICA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A.J. Van Zyl --- Percy FitzPatrick Institute of African Ornithology, South Africa A.R. Jenkins --- Percy FitzPatrick Institute of African Ornithology, South Africa D.G. Allan --- Avian Demography Unit Department of Statistical Sciences, South AfricaVan Zyl, A.J, Jenkins, A.R. & Allan, D.G. 1994. Evidence for seasonal movements by Rock Kestrels Falco tinnunculus and Lanner Falcons F. biarmicus in South Africa. Ostrich 65:111-121. -
MIGRATION PHENOLOGY OF WADERS (CHARADRII) ON THE TAIMYR PENINSULA, NORTHERN RUSSIA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: E.E. Syroechkovski --- International Arctic Expedition, Russia E.G. Lappo --- Russian Academy of Sciences, RussiaSyroechkovski, E.E. Jr. & Lappo, E.G. 1994. Migration phenology of waders (Charadrii) on the Taimyr Peninsula, northern Russia. Ostrich 65:181–190. -
Short Notes
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Marc Herremans --- Department of Wildlife and National Parks—Research Division, Mark Joos-Vandewalle --- , Botswana WendyD. Borello --- , Botswana Marc Herremans --- Department of Wildlife and National Parks, Botswana Diane Herremans-Tonnoeyr --- Department of Wildlife and National Parks, Botswana P.J. Mundy --- Dept. National Parks, Zimbabwe G. Haynes --- Dept. Anthropology, U.S.A. F. Dowsett-Lemaire --- , Belgium ThomasM. Butynski --- , C. Dietrich Schaaf --- , USA GailW Hearn --- Department of Biology, USA Jef Dupain --- University, Dept. of Biology, Belgium Ellen Van Krunkelsven Antwerp --- University, Dept. of Biology, Belgium Linda Van Elsacker --- , Belgium -
MODELLING THE DISTRIBUTION OF BIRD SPECIES IN SWAZILAND IN RELATION TO ENVIRONMENTAL VARIABLES
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: V. Parker --- Avian Demography Unit, South AfricaParker, V. 1996. Modelling the distribution of bird species in Swaziland in relation to environmental variables. Ostrich 67: 105–110. -
COMPARISONS OF THE VOCALIZATIONS AND SOCIAL BEHAVIOUR OF SOUTHERN AFRICAN PYCNONOTUS BULBULS
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Penn Lloyd --- Department of Zoology, South Africa PatE. Hulley --- Department of Zoology, South Africa Adrian J.F.K. Craig --- Department of Zoology, South AfricaLloyd, P., Hulley, P.E. & Craig, A.J.F.K. 1996. Comparisons of the vocalizations and social behaviour of southern African Pycnonotus bulbuls. Ostrich 67: 118–125. -
ESTABLISHMENT, GROWTH AND CONSERVATION OF A MAINLAND COLONY OF JACKASS PENGUINS SPHENISCUS DEMERSUS AT STONY POINT, BETTY'S BAY, SOUTH AFRICA
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: PhilipA. Whittington --- Avian Demography Unit Department of Statistical Sciences, South Africa JanH. Hofmeyr --- , South Africa John Cooper --- , South AfricaWhittington, P.A., Hofmeyr, J.H. & Cooper, J. 1996. Establishment, growth and conservation of a mainland colony of Jackass Penguins Spheniscus demersus at Stony Point, Betty's Bay, South Africa. Ostrich 67: 144–150. -
Review
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig -
Primary moult, mass and movements of the Rock Pigeon Columba guinea in the Western Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: L.G. Underhill --- Avian Demography Unit, Department of Statistical Sciences, South Africa G.D. Underhill --- Avian Demography Unit, Department of Statistical Sciences, South AfricaUnderhill, L.G. & Underhill, G.D. 1997. Primary moult, mass and movements of the Rock Pigeon Columba guinea in the Western Cape, South Africa. Ostrich 68 (24): 86–89. -
Ecology and genetics of hybrid zones in the southern African Pycnonotus bulbul species complex
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Penn Lloyd --- Department of Zoology and Entomology, South Africa Adrian J.F.K. Craig --- Department of Zoology and Entomology, South Africa PatE. Hulley --- Department of Zoology and Entomology, South Africa M. Faadiel Essop --- , South Africa Paulette Bloomer --- , South Africa TimothyM. Crowe --- , South AfricaLloyd, P., Craig, A.J.F.K., Hulley, P.E., Essop, M.F., Bloomer, P. & Crowe, T.M. 1997. Ecology and genetics of hybrid zones in the southern African Pycnonotus bulbul species complex. Ostrich 68 (2–4): 90–96. -
Primary moult and body-mass of the Cape Turtle Dove Streptopelia capicola, and its abundance relative to the Laughing Dove S. senegalensis, in the Western Cape
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: L.G. Underhill --- Avian Demography Unit, Department of Statistical Sciences, South Africa G.D. Underbill --- Avian Demography Unit, Department of Statistical Sciences, South Africa C.N. Spottiswoode --- Avian Demography Unit, Department of Statistical Sciences, South AfricaUnderhill, L.G., Underhill, G.D. & Spottiswoode, C.N. 1999. Primary moult and body-mass of the Cape Turtle Dove Streptopelia capicola, and its abundance relative to the Laughing Dove S. senegalensis, in the Western Cape. Ostrich 70 (3&4): 196–199. -
Song sharing by neighbourhood groups of territorial male Blackeyed Bulbuls
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Penn Lloyd --- Department of Zoology, South Africa PatE. Hulley --- Department of Zoology, South Africa Adrian J.F.K. Craig --- Department of Zoology, South AfricaLloyd, P., Hulley, P.E. & Craig, A.J.F.K. 1999. Song sharing by neighbourhood groups of territorial male Blackeyed Bulbuls. Ostrich 70 (3&4): 208–213 -
Short Notes
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gary Voelker --- , United States of America T.B. Oatley --- Avian Demography Unit, South Africa W. R. J. Dean --- , South Africa Peter Steyn --- , South Africa Onno Huyser --- , South Africa W. R. J. Dean --- , South Africa J.B. Williams --- , South Africa Joris Komen --- , Namibia John Paterson --- Department of Conservation, Forestry Faculty, South Africa S.J. Milton --- , South Africa W. R.J. Dean --- , Malawi Kvan Zegeren --- , Malawi J. G.M. Wilson --- , Malawi -
What precipitates influxes of wetland birds to ephemeral pans in arid landscapes? Observations from Namibia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: RobertE. Simmons --- , Namibia Phoebe Barnard --- , Namibia IanG. Jamieson --- Department of Zoology, New ZealandSimmons, R.E., Barnard, P.E. & Jamieson, I.G. 1998. What precipitates influxes of wetland birds to ephemeral pans in arid landscapes? Observations from Namibia. Ostrich 70 (2): 145–148 -
Avian demography: statistics and ornithology
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: L.G. Underhill --- Avian Demography Unit, Department of Statistical Sciences, South AfricaUnderhill, L.G. 1999. Avian demography: statistics and ornithology. In: Adams, N.J. & Slotow, R.H. (eds) Proc. 22 Int. Ornithol. Congr., Durban. Ostrich 70 (1): 61–70. -
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,... -
EDITORIAL
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig Chris Gordon -
Levels of organochlorine pesticides in raptors from the North-West Province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Smith --- School for Environmental Sciences and Development (Zoology), South Africa Henk Bouwman --- School for Environmental Sciences and Development (Zoology), South AfricaSmith, I. & Bouwman, H. 2000. Levels of organochlorine pesticides in raptors from the North-West Province, South Africa. Ostrich 71 (1 & 2): 36–39. -
Timing of breeding and primary moult of the Masked Weaver Ploceus velatus in the summer and winter rainfall regions of South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: H.D. Oschadleus --- Avian Demography Unit, Department of Statistical Sciences, South Africa G.D. Underbill --- Avian Demography Unit, Department of Statistical Sciences, South Africa L.G. Underbill --- Avian Demography Unit, Department of Statistical Sciences, South AfricaOschadleus, H.D., Underhill, G.D. & Underhill, L.G. 2000. Timing of breeding and primary moult of the Masked Weaver Ploceus velatus in the summer and winter rainfall regions of South Africa. Ostrich 71 (1 & 2): 91–94. -
Migrant European Swallows Hirundo rustica in southern Africa: a southern perspective
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: T.B. Oatley --- Avian Demography Unit, South AfricaOatley, T.B. 2000. Migrant European swallows Hirundo rustica in southern Africa: a southern perspective. Ostrich 71 (1 & 2): 205–209. -
Écologie alimentaire des groupes plurispecifiques d'oiseaux de la forêt pluviale du Parc National de Ranomafana, Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: H. Randrianasolo --- , MadagascarRandrianasolo, H. 2000. Écologie alimentaire des groupes plurispecifiques d'oiseaux de la foré pluviale du Parc National de Ranomafana, Madagascar. Ostrich 71 (1 & 2): 315. -
Inventaire des oiseaux de la Reserve Naturelle Integrale de Zahamena, Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: A. F.A. Hawkins --- , A. Andrianarimisa --- , O.M. Rakotonomenjanahary --- , V.M. Raminoarisoa --- , MadagascarHawkins, A.F.A., Andrianarimisa, A., Rakotonomenjanahary, O.M. & Raminoarisoa, V.M. 2000. Inventaire des oiseaux de la Reserve Naturelle Integrale de Zahamena, Madagascar. Ostrich 71 (1 & 2): 317. -
Regional patterns in moult and sexual dimorphism of adult Southern Red Bishops Euplectes orix in southern Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: AdrianJFK Craig --- Department of Zoology and Entomology, South Africa BoT Bonnevie --- Information Technology Division, South Africa H Dieter Oschadleus --- Animal Demography Unit, Department of Zoology, South AfricaUsing the SAFRING database and the Underhill-Zucchini model of primary moult, we analysed the timing of wing moult in Southern Red Bishops Euplectes orix in relation to sex and geographical region. Birds from the winter rainfall region in the south-western... -
The colourful White-headed Vulture Aegypius occipitalis: enhancement of threatening signals for interspecific competition?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Tiziano Londei --- , Italy -
Temporal and sex-specific variation in growth rates of Marabou Stork Leptoptilos crumeniferus chicks
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, Swaziland AndrewJ Bamford --- School of Biosciences, UK IanCW Hardy --- School of Biosciences, UK JasonK Earnshaw --- All Out Africa Research Unit, Department of Biological Sciences, Swaziland Elaine Franklin --- , Swaziland DesireL Dalton --- , South Africa Antoinette Kotze --- , South AfricaThe nesting success of Marabou Storks Leptoptilos crumeniferus breeding in north-eastern Swaziland is closely associated with rainfall, with nests started late in the season exposed to higher rainfall and showing lower success. This may be related to lower food intake... -
Disconcerting trends in populations of the endangered Sokoke Scops OwlOtus ireneae in the Arabuko-Sokoke Forest, Kenya
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: MunirZ Virani --- , USA Peter Njoroge --- Ornithology Section, Department of Zoology, Kenya Ian Gordon --- , Kenya -
How the most widespread African crow, the Pied Crow Corvus albus, depends on man
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Tiziano Londei --- , ItalyThe frequently reported close association between the Pied Crow and man suggests a possible explanation for the crow's wide distribution throughout sub-Saharan Africa, but the mode and origin of this association have received little attention. In the present study, roadside... -
A study of gross morphological and histological syringeal features of true francolins (Galliformes: Francolinus, Scleroptila, Peliperdix and Dendroperdix spp.) and spurfowls (Pternistis spp.) in a phylogenetic context
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: TshifhiwaG Mandiwana-Neudani --- Department of Botany, South Africa Cecilia Kopuchian --- División Ornitología, Argentina Graham Louw --- Department of Human Biology, Faculty of Health Sciences, South Africa TimothyM Crowe --- , South AfricaModern taxonomies of francolins recognise 41 congeneric species, forming the largest genus of terrestrial gamebirds (Galliformes). Recent molecular, ecological and behavioural studies challenge this view, suggesting that they comprise two unrelated, monophyletic groups. There are ‘true’ francolins (Francolinus, Dendroperdix, Peliperdix... -
Investigations of sexual dimorphism in live Kittlitz's Plover Charadrius pecuarius from inland South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Włodzimierz Meissner --- Avian Ecophysiology Unit, Department of Vertebrate Ecology and Zoology, Poland Magdalena Remisiewicz --- Avian Ecophysiology Unit, Department of Vertebrate Ecology and Zoology, Poland Lucyna Pilacka --- Avian Ecophysiology Unit, Department of Vertebrate Ecology and Zoology, PolandCharadrius plovers generally show little sexual or seasonal dimorphism in size and coloration, but most published measurements come from museum specimens. We aimed to determine sexual size dimorphism in live Kittlitz's Plovers Charadrius pecuarius, based on measurements of 96 males... -
Seasonal fluctuations in population size and habitat segregation of Kittlitz's Plover Charadrius pecuarius at Barberspan Bird Sanctuary, North West province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sara Lipshutz --- Biology Department, USA Magdalena Remisiewicz --- Avian Ecophysiology Unit, Department of Vertebrate Ecology and Zoology, Poland LesG Underhill --- Animal Demography Unit, Department of Zoology, South Africa Joel Avni --- , South AfricaSeasonal fluctuations in population size reflect breeding patterns and movements of birds, but distinguishing residents from itinerant birds is difficult with partially migratory species such as Kittlitz's Plover. We determined changes in the size of Kittlitz's Plover populations in two... -
Seasonal distribution, breeding season and wing moult in the Splendid Glossy Starling Lamprotornis splendidus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: AdrianJFK Craig --- Department of Zoology and Entomology, South AfricaSeasonal migration by Splendid Glossy Starlings has been confirmed only for Kenya and Zambia. Populations in almost all other countries have been categorised as ‘resident’ by some observers, but ‘nomadic’ is a more accurate description of their status. The breeding... -
Wing moult and sexual dimorphism in the Lesser Honeyguide Indicator minor in the Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: AdrianJFK Craig --- Department of Zoology and Entomology, South Africa BoT Bonnevie --- Information Technology Division, South Africa PatE Hulley --- Department of Zoology and Entomology, South Africa -
Regular moult-breeding overlap in the Pale-winged Starling Onychognathus nabouroup
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: AdrianJFK Craig --- Department of Zoology and Entomology, South Africa -
Estimating population size of Saddle-billed Storks Ephippiorhynchus senegalensis in southern Kruger National Park, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Marcelle van den Hoven --- Endangered Wildlife Trust, South Africa Brian Reilly --- Department of Nature Conservation, South AfricaCounting Saddle-billed Storks in a study area the size of the Kruger National Park, at 2.2 million ha, is difficult because the birds are long-lived, sparse in the landscape and have large home ranges. Aerial surveys conducted to date provide... -
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, FranceThe 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... -
High levels of mitochondrial cytochrome b sequence diversity are present within the Anthus similis complex in sub-Saharan Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Brian Finch --- Ornithological Committee of the East African Natural History Society, Kenya Gro Bjørnstad --- , Kenya Itai Shanni --- Society for Protection of Nature in Israel, Israel Muchane Muchai --- Department of Zoology, Ornithology Section, Kenya Anne Bishop --- , Kenya Olivier Hanotte --- , Kenya Richard Bishop --- , KenyaThe taxonomy of pipits (genus Anthus) in sub-Saharan Africa is poorly understood. We applied mitochondrial cytochrome b (cyt b) sequencing to specimens of the African Long-billed Pipit Anthus similis, using Palearctic A. s. captus for comparison. There was virtually no... -
An assessment of the impact of predation by Cape fur seals Arctocephalus pusillus pusillus on seabirds at Dyer Island, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Azwianewi B Makhado --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Robert JM Crawford --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Lauren J Waller --- CapeNature, South Africa Les G Underhill --- Animal Demography Unit, Department of Biological Sciences, South AfricaAt Dyer Island, South Africa, observations of predation of seabirds by Cape Fur Seals Arctocephalus pusillus pusillus were made during 2004 and 2006/07. It was estimated that seals killed about 7% of adult African Penguins Spheniscus demersus annually. This may... -
The vulnerable Osprey breeding population of the Al Hoceima National Park, Morocco: present status and threats
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Flavio Monti --- Centre d'Ecologie Fonctionnelle et Evolutive (CNRS UMR5175), France Houssine Nibani --- Association de Gestion Intégrée des Ressources (AGIR), Morocco Jean-Marie Dominici --- Rèserve Naturelle Scandola, Parc Naturel Règional de Corse, France Hamid Rguibi Idrissi --- University Chouaib Doukkali, Faculty of Sciences, Morocco Mathieu Thévenet --- , France Pierre-Christian Beaubrun --- Centre d'Ecologie Fonctionnelle et Evolutive (CNRS UMR5175), France Olivier Duriez --- Centre d'Ecologie Fonctionnelle et Evolutive (CNRS UMR5175), FranceIn the Mediterranean, most areas belonging to the initial distribution range of the Osprey Pandion haliaetus have been lost and local populations have disappeared in recent decades because of persecution. Even though direct management actions have allowed local partial recovery,... -
Research for the Sawmilling Industry in South Africa
Item type: Journal Article • Journal: South African Forestry Journal • Authors: D.L. Bosnian --- Timber Research Unit,The paper describes the aims of the research conducted by the Timber Research Unit. The work is discussed in respect of the supply and demand of sawn timber, the quality of the sawn timber supply, the cost structure of the... -
The Influence of Spacing in a Pulpwood Plantation
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Julian Evans --- Department of Forestry, -
Some Growth Effects of Hail Damage and Drought in P. patula Plantations
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Julian EvansInternodal stem analysis of Pinus patula growing in the Usutu Forest, Swaziland, revealed past abnormalities in grwoth due to hail damage and low rainfall. Hail caused breakage of leaders and, where severe, the resulting loss in tree height could lead... -
Arbor Day 1979 in Pietermaritzburg
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian Bredenkamp -
An Evaluation of Three Methods of Marking for First Thinning in Plantation Forestry
Item type: Journal Article • Journal: South African Forestry Journal • Authors: V.M. Dubiansky --- Natal Forestry Research Centre, Department of Water Affairs, Forestry and Environmental Conservation,A study of the accuracy, efficiency and homogeneity of three methods of marking for thinning in plantation stands showed that of A: chain (measured plot) method, B: row (plot) method and C: 16-planting-site method, method C was the simplest and... -
Rectangular Espacement Does Not Cause Stem Ellipticity in Eucalyptus grandis
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Brian Bredenkamp --- Natal Forestry Research Centre, Department of Environment Affairs,Eucalyptus grandis grown with varying degrees of rectangularity of growing space showed that stem ellipticity could not be attributed to proximity of nearest neighbours. Stem ellipticity was markedly orientated along wind directions prevailing in the Eastern Transvaal. Extreme rectangularity of... -
A Mainframe Planning System for Short-rotation Industrial Forests with Specific Reference to Yield Regulation
Item type: Journal Article • Journal: South African Forestry Journal • Authors: V.M. DubianskyA computerised inventory, planning, yield regulation and management information system for black wattle plantations is described briefly. Aspects fo forest regulation are examined in relation to the black wattle forestry situation. Envisaged adaptations and improvements to the system are put... -
Carrying Capacity and Thinning Response of Pinus taeda in the CCT Experiments
Item type: Journal Article • Journal: South African Forestry Journal • Authors: MikeR. Strub --- , USA BrianV. Bredenkamp --- , RSALong-term thinning studies replicated on low, medium and high quality sites in South Africa indicate that high quality sites have a higher basal area carrying capacity that low quality sites. High quality sites also produce a higher maximum stand density... -
LETTERS TO THE EDITOR
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Julian Evans --- , England -
Chironomid distribution along a pollution gradient in Ethiopian rivers, and their potential for biological water quality monitoring
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Beneberu --- Department of Biology, Ethiopia S Mengistou --- Zoological Sciences Programme Unit, Ethiopia H Eggermont --- Belgian Biodiversity Platform, Belgium D Verschuren --- Limnology Unit, Department of Biology, BelgiumWater pollution resulting from the rapidly intensifying use of freshwater resources in Ethiopia is increasing the need for continuous follow-up and monitoring of the country's aquatic ecosystems, in order to maintain their biological diversity and water quality. Chironomids (non-biting dipteran... -
GROWING UP IN VIOLENT SITUATIONS—THE SOUTH AFRICAN SITUATION
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: Diana Shmukler --- , -
CRISIS PHASES IN THE LIFE OF THE CHILD AND ADOLESCENT AS SEEN IN ADULT PSYCHOTHERAPY
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: MV Bührmann --- Cape of Good Hope Centre for Jungian Studies, -
THE SOCIAL PROBLEM OF TEENAGE PREGNANCY—A REVIEW
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: Vivian Oosthuizan --- (Intern) Adolescent Unit, -
Intellectual Disability In Rural Black Children In The Bushbuckridge District Of South Africa
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: J. G.R Kromberg --- Department Human Genetics, A.L. Christianson --- Department of Human Genetics, P. Manga --- Department Human Genetics, M.E. Zwane --- SA Medical Research Council, E. Rosen --- Department Paediatrics, A. Venter --- Department Paediatrics, S. Homer --- Department Occupational Therapy,The aim of this project was to investigate the prevalence and aetiology of intellectual disability in rural black children in the Bushbuckridge district. Children (aged 2–9 years) were screened by local trained field-workers who interviewed the caregivers with a simple... -
A COMMUNITY STUDY OF TAXI VIOLENCE AND DISTRESS SYMPTOMS AMONG YOUTH
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: Chris Zissis --- Department of Psychiatry and Mental Health, Karin Ensink --- Department of Psychiatry and Mental Health, Brian Robertson --- Department of Psychiatry and Mental Health,Objectives: To investigate the prevalence of distress symptoms among youth exposed to taxi violence in Khayelitsha, a South African peri-urban settlement. Design: A cross-sectional community study of a stratified sample of youth. Setting & Subjects: Five hundred and four Xhosa... -
LOST BOYS: why our sons turn violent and how we can save them. James Garbarino. The Free Press. 1999.265pp
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: BRIAN ROBERTSON -
Criminal Law (Sexual Offences) Amendment Bill
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Lillian Artz -
Adoption, fostering and identity
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Wanda Grosso Gianni NaglieroThe authors propose to look at how identity is formed in young adopted or foster-children. On the basis that the identity results from a relational process, two criteria will be considered as key elements for the individual's sense of self:... -
Family predictors of adolescent substance use: the case of high school students in the Cape Metropolitan Area, Cape Town, South Africa
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Acheampong Yaw Amoateng BrianK Barber LanceD EricksonFamily predictors of tobacco and alcohol use were studied in random samples of school-going Black, Coloured, and White adolescents (total N=1,800) in the Cape Town Metropolitan Area. The subjects ranged in age from 14 to 17 years, with a mean... -
Alan John Flisher16 April 1957—18 April 2010Editor-in-Chief, Journal of Child and Adolescent Mental Health, 1999–2010
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Brian Robertson --- Department of Psychiatry and Mental Health, South Africa -
Correlates of heavy alcohol consumption at Rhodes University
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Charles Young --- Department of Psychology, South Africa Vivian de Klerk --- Dean of Students, South AfricaObjective: To establish the extent to which students typically overestimate normative drinking and to determine whether these estimates are uniquely implicated in alcohol consumption over and above the role of the various demographic and family variables. -
Prevalence and factors associated with depressive symptoms among young women and men in the Eastern Cape Province, South Africa
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Mzikazi Nduna --- Department of Psychology, South Africa RachelK Jewkes --- Gender and Health Research Unit, South Africa KristinL Dunkle --- Department of Behavioral Sciences and Health Education & Center for AIDS Research, Rollins School of Public Health, USA NwabisaP Jama Shai --- Gender and Health Research Unit, South Africa Ian Colman --- Department of Epidemiology and Community Medicine, School of Public Health, CanadaPurpose: There is little research on prevalence of depressive symptoms and associated factors among youth in sub-Saharan Africa. This paper explores factors associated with depressive symptomatology in South Africa. -
The thinking heart: Three levels of psychoanalytic therapy with disturbed children
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Marian Campbell --- Division of Child and Adolescent Psychiatry, -
Igbo rural women in Africa as creative personalities: musical processing of socio-economic solidarity
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Christian OnyejiThe author closely examines the contribution of Igbo rural women in West Africa (south-eastern part of Nigeria, West Africa) as creative personalities. Analytical summaries of selected transcribed music of the women are presented, while focusing on the creative intentions behind... -
Cultural and religious unification through music in Desert Rose's Silence of the Music
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Julian C Fernandez --- , South AfricaSilence of the Music is a musical theatre piece produced by Desert Rose in 2010. The production not only addresses themes of prejudice and intercultural discrepancies in post-apartheid South Africa, but also carries a message of love and unity. The... -
Abaana Bange Na-Ka-Lwa for soprano saxophone in B flat, electric guitar and marimba
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Justinian Tamusuza --- , , Uganda -
Drift Patterns of Anchovy Engraulis Capensis Larvae in The Southern Benguela, and Their Possible Importance for Recruitment
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M. D. Skogen L. J. Shannon J. E. StiansenIn the southern Benguela, successful recruitment of Cape anchovy Engraulis capensis is highly variable and seems to be dependent on the spawning biomass only to a small extent. This paper investigates how the variations in the drift patterns of larvae... -
A Statistical Model for Stock Assessment of Southern Bluefin Tuna with Temporal Changes in Selectivity
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D. S. Butterworth J. N. Ianelli R. HilbornAssessment of the status of southern bluefin tuna (SBT) by Australia and Japan has used a method (ADAPT) that imposes a number of structural restrictions, and is similar to methods used for a number of stocks world-wide. A flexible method... -
Cysts of potentially harmful dinoflagellates, with emphasis on the genus Alexandrium, in Sepetiba Bay (Brazil) during a port survey of GloBallast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: VB Juliano VMT GarciaSepetiba Bay in south-eastern Brazil has been selected as a pilot demonstration site within the Global Ballast Water Management Programme (GloBallast; IMO/PNUD/GEF). As part of the port baseline survey, a series of 43 sediment cores was taken in triplicate in... -
A significant and unappreciated intertidal mytiloidean genus: the biology and functional morphology of Brachidontes puniceus (Bivalvia: Mytilidae) from the Cape Verde Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Brian Morton --- Department of Zoology, UKBrachidontes puniceus (Gmelin 1791) occurs on all the islands of the Cape Verde Archipelago and along the West African coast from Mauritania to Ghana. The species is morphologically, in terms of its acutely heteromyarian form, strong byssal attachment, stout ligament,... -
Pygmy right whale Caperea marginata records from Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RH Leeney --- Namibian Dolphin Project, Namibia K Post --- Natural History Museum, The Netherlands PB Best --- Mammal Research Institute, South Africa CJ Hazevoet --- Unidade de Zoologia, Rua da Junqueira, Portugal SH Elwen --- Namibian Dolphin Project, NamibiaAll known records of pygmy right whales Caperea marginata in Namibia since 1978 are summarised for the first time, including 12 strandings (live and recently dead animals) and skeletal remains from at least eight more individuals. The majority of strandings... -
Efficacy of rights-based management of small pelagic fish within an ecosystems approach to fisheries in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M M Hara --- Institute for Poverty, Land and Agrarian Studies (PLAAS), South AfricaSouth Africa's small pelagics fishery is moving towards a management strategy using an ecosystem approach to fisheries (EAF), with rights-based management (RBM) as the key rights allocation system. While EAF strives to balance between, among others, ecological and social-economic objectives,... -
Shallow waters: social science research in South Africa's marine environment
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Sowman --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa D Scott --- School of Built Environment and Development Studies, Howard College Campus, South Africa L J F Green --- Department of Social Anthropology, South Africa M M Hara --- Institute for Poverty, Land and Agrarian Studies, South Africa M Hauck --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa K Kirsten --- Department of Environmental and Geographical Science, South Africa B Paterson --- Marine Research Institute, South Africa S Raemaekers --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa K Jones --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa J Sunde --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa J K Turpie --- Anchor Environmental, South AfricaThis paper provides an overview of social science research in the marine environment of South Africa for the period 1994–2012. A bibliography based on a review of relevant literature and social science projects funded under the SEAChange programme of the... -
Patterns in abundance, population structure and biology of knife prawn Haliporoides triarthrus on deep-water trawl grounds off eastern South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Robey --- Oceanographic Research Institute, South Africa ST Fennessy --- Oceanographic Research Institute, South Africa BI Everett --- Oceanographic Research Institute, South Africa J Santos --- Norwegian College of Fisheries Science, Norway JC Groeneveld --- Oceanographic Research Institute, South AfricaThe deep-water trawl fishery along the KwaZulu-Natal coast of South Africa targets several crustacean species, with the knife (or pink) prawn Haliporoides triarthrus contributing most of the catch. Logbook data of fishing effort and catch between 1988 and 2010 were... -
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... -
A framework for analyzing workforce dynamics in forest harvesting in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Killian Tendai Manyuchi --- Forest Engineering: Department of Forestry Sciences, South Africa ReinoE. Pulkki --- Forest Engineering: Department of Forestry Sciences, South Africa R.P.F --- Faculty of Forestry and the Forest Environment, CanadaPeople are the industry's most valuable asset. However, due to its dynamic nature, labour cannot be owned but only rented. A framework for measuring, monitoring and managing labour dynamics is used and tested in forest harvesting operations in South Africa... -
Socio-economic impact of ox skidding project to the surrounding villages of Mount Meru forest plantations, Northern Tanzania
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: W.S. Abeli --- Faculty of Forestry and Nature Conservation, Tanzania J.R. Maximillian --- Faculty of Forestry and Nature Conservation, Tanzania A.E. Kweka --- Faculty of Forestry and Nature Conservation, Tanzania D.T.K. Shemwetta --- Faculty of Forestry and Nature Conservation, TanzaniaThe ox skidding project was initiated with the objective ofusing oxen for transporting logs from the stump sites to the landings. It was supposed to be a participatory research project aimed at integrating scientific knowledge with practical skills and resource... -
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), GreeceIn 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... -
Growth models for Pinus patula in Angola
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: C Delgado-Matas --- Faculty of Agrarian Sciences, Angola T Pukkala --- , FinlandThis study developed growth models for Pinus patula Schiede ex Schltdl. et Cham. for the Central Highlands of Angola for simulating the development of stand characteristics. The model set included dominant height, individual-tree diameter increment, individual-tree height and self-thinning models... -
Establishment of a Nothofagus alessandrii plantation using different levels of shade and weed control methods in Talca province, central Chile
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: R Santelices --- Department of Forestry Science and Dryland Technology Centre, Faculty of Agrarian and Forestry Sciences, Chile F Drake --- Department of Forest Management and Environment, Faculty of Forestry Sciences, Chile RM Navarro-Cerrillo --- Department of Forest Engineering, Faculty of Agronomy and Forestry, SpainThere is a lack of information regarding the establishment of Nothofagus alessandrii plantations, including any impacts that shading and weed control may have on early survival and growth. A trial was therefore initiated where four shade levels (0% and Rachel®... -
Growth models based on radial increment observations for eight pine species in Angola
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cristobal Delgado-Matas --- Faculty of Agrarian Sciences, Angola Timo Pukkala --- School of Forest Sciences, FinlandGrowth models for the Central Highlands of Angola were developed in this study for Pinus pseudostrobus Lindl., P. kesiya Royle ex Gordon, P. devoniana Lindl., P. chiapensis (Martinez) Andresen, P. elliottii Engelm., P. greggii Engelm. ex Parl., P. montezumae Lamb... -
Development and validation of stem volume models for Pinus kesiya in Benguet province, Philippines
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Roscinto IanC Lumbres --- Department of Forest Resources, Korea Young Jin Lee --- Department of Forest Resources, KoreaStem volume equations (overbark) were developed, using established volume equation forms, and validated using a subset of the data collected for Pinus kesiya in Benguet province, Philippines. A total of 481 trees from Pinus kesiya stands in Benguet were measured... -
Effect of shading and fertilisation on the development of container-grown Nothofagus glauca seedlings, a threatened species from central Chile
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rómulo Santelices --- Department of Forestry Science and Dryland Technology Centre, Faculty of Agrarian and Forestry Sciences, Chile Sergio Espinoza --- Department of Forestry Science and Dryland Technology Centre, Faculty of Agrarian and Forestry Sciences, Chile Antonio Cabrera Ariza --- Department of Forestry Science and Dryland Technology Centre, Faculty of Agrarian and Forestry Sciences, Chile Karen Peña-Rojas --- Department of Silviculture and Nature Conservation, Faculty of Forestry and Nature Conservation Science, Chile SergioR Donoso --- Department of Silviculture and Nature Conservation, Faculty of Forestry and Nature Conservation Science, ChileNothofagus glauca is an endemic tree of the Mediterranean zone of Chile and is a threatened species. Currently, available information for the propagation and nursery cultivation of this species is conspicuously lacking. This study examined the effect of four levels... -
A review of management impacts on the soil productivity of South African commercial forestry plantations and the implications for multiple-rotation productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Louis Titshall --- Institute for Commercial Forestry Research, South Africa Steven Dovey --- Institute for Commercial Forestry Research, South Africa Diana Rietz --- Institute for Commercial Forestry Research, South AfricaAn overview of southern African research that has investigated the impact of management practices that can potentially affect the long-term site productivity of plantations is presented, with an emphasis of these impacts on soil productivity and with the implications for... -
The effectiveness of a national communication campaign using religious leaders to reduce HIV-related stigma in Ghana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marc Boulay Ian Tweedie Emmanuel FiagbeyThis article describes the effects of a national mass media and community-level stigma-reduction programme in Ghana, in which national and local religious leaders urged their congregations and the general public to have greater compassion for people living with HIV or... -
Understanding diversity in impact and responses among HIV/AIDS-affected households: the case of Msinga, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kees Swaans Jacqueline Broerse Irma Van Diepen Monique Salomon Diana Gibson Joske BundersTo gain a more comprehensive understanding of the impact of HIV and AIDS on rural households in Msinga, South Africa, the sustainable livelihoods framework was adapted. An ethnographic perspective was employed to examine: 1) the impact of HIV/AIDS-related illnesses on... -
HIV epidemiology and trends in a large national manufacturing company in South Africa, 2001–2006
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Clive EvianThis paper presents epidemiological data from ongoing HIV-prevalence surveillance in a large South African manufacturing company located in various provinces, as well as one location in Swaziland. A survey of the workforce in 12 of the manufacturer's business units (BUs)... -
HIV behavioural surveillance among refugees and surrounding host communities in Uganda, 2006
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kathleen McDavid Harrison Johanna Claass PaulB Spiegel Judith Bamuturaki Njogu Patterson Michael Muyonga Lillian TatwebwaWe used a standardised behavioural surveillance survey (BSS), modified to be directly relevant to populations in conflict and post-conflict settings as well as to their surrounding host populations, to survey the populations of a refugee settlement in south-western Uganda and... -
Public-private partnerships as a strategy against HIV/AIDS in South Africa: the influence of historical legacies
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Viviane Brunne --- , Switzerland 1In the face of the extreme challenges posed by the South African HIV/AIDS epidemic, collaboration between public and private partners is often called for in an attempt to mobilise additional resources and generate synergies. This paper shows that the ability... -
Human impact on lake ecosystems: the case of Lake Naivasha, Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GeorgeE Otiang'a-Owiti Ignatius Abiya OsweLake Naivasha is a wetland of national and international importance. However, it is under constant anthropogenic pressures, which include the quest for socioeconomic development within the lake ecosystem itself as well as other activities within the catchment. The lake is... -
Water quality and plankton dynamics in two small dams in Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Tamuka Nhiwatiwa BrianE MarshallTwo small dams on the Munwahuku River was investigated in relation to the influence of hydrology on their water chemistry over the period January 2000–August 2001. The water level of the upper dam fluctuated more than that of the lower... -
The effect of fish predation on benthic macroinvertebrates in a seasonal stream in north-western Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Albert Chakona Brian Marshall Luc BrendonckThe cumulative impact of the entire fish assemblage on benthic macroinvertebrate assemblages was investigated over four months in a removal experiment in isolated pools that persist through the dry season, in an intermittent stream in north-western Zimbabwe. Macroinvertebrate taxonomic richness... -
The inshore fish community of Lake Kariba half a century after its creation: what happened to the Upper Zambezi species invasion?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TsungaiA Zengeya BrianE Marshall -
Reproductive biology and breeding of Barbus paludinosus and B. trimaculatus (Teleostei: Cyprinidae) in Lake Chilwa, Malawi: implications for fisheries management
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MA Macuiane --- Department of Aquaculture and Fisheries Sciences, Malawi EKW Kaunda --- Department of Aquaculture and Fisheries Sciences, Malawi DM Jamu --- , Malawi GZ Kanyerere --- Fisheries Research Unit, Department of Fisheries, MalawiBarbus paludinosus and Barbus trimaculatus were sampled in Lake Chilwa and the Mnembo River mouth between February 2004 and January 2005, using nets equivalent to those used commercially, to analyse their reproductive biology and distribution as a basis for recommending... -
Bioaccumulation of cadmium in the ascidian Styela clava (Herdman 1881)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Jiang --- Department of Biochemical Engineering, China Z Yu --- Department of Biochemical Engineering, China CH Wang --- Department of Biochemical Engineering, ChinaThe processes of bioaccumulation and elimination of cadmium by tissues of Styela clava (Herdman 1881) were investigated based on a semi-static two-compartment model. The kinetic parameters (accumulation rate constant k 1, elimination rate constant k 2, bioconcentration factor BCF, biological... -
Childhood Re-imagined: Images and Narratives of Development in Analytical Psychology
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Marian Campbell -
Redemption to a kwaito beat: Gavin Hood's Tsotsi
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Ian-Malcolm Rijsdijk Adam HauptThe authors provide an analysis of the film Tsotsi, with a specific focus on the musical score comprising both pre-recorded popular music (mainly the kwaito of Zola) and more conventional orchestral and choral components. We argue that the film is... -
Report: Unyazi 2008 – Fear of the known
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Ian van Zyl -
Social transformation in South Africa through the musical arts: a Batswana experience with specific reference to the Ikageng-Bill Cosby Cultural Group
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Christian Onyeji1 --- , , South AfricaThis article explores the relationship between social transformation and identity formation in contemporary South Africa with specific reference to the experience of a Batswana musical ensemble. The notions of social transformation and identity are explored from the social perspectives of... -
The status of the Southern Ground-Hornbill in the Grahamstown region, Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: PatrickE Hulley AdrianJFK Craig -
Objectifs et priorités pour la conservation des oiseaux et de la biodiversité d'Afrique
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Thomas Brooks Luciano Andriamaro Roy Gereau Frank Hawkins Kim Howell David Knox Penny Langhammer JohnF Lamoreux PorterP Lowry Quentin Luke Paul Matiku MeghanW McKnight Charles Msuya Robinson Mugo Harison Rabarison Zo Lalaina Rakotobe Harison RandrianasoloBiodiversity is facing an extinction crisis, with rates of species loss three orders of magnitude higher than average throughout geological history. However, neither biodiversity nor threats are randomly distributed around the planet, and so it is extremely important to target... -
Agonistic behaviour of Palaearctic passerine migrants at a stopover site suggests interference competition
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Volker Salewski Bettina Almasi Agneta Heuman Marco Thoma Adrian SchlageterRecords of interspecific agonistic behaviour of Palaearctic passerine migrants from their Afrotropical wintering grounds are rare. There are, however, no detailed observations from stopover sites where individuals might concentrate and depress resources that are critical for fat-depleted birds in times... -
Threatened bird species on two little-known mountains (Chiperone and Mabu) in northern Mozambique
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: ClaireN Spottiswoode HassamI Patel Eric Herrmann Jonathan Timberlake Julian BaylissThe montane forests of northern Mozambique and southern Malawi support several bird species of global conservation concern, and particularly in Malawi are seriously threatened by deforestation. However, the status of these in northern Mozambique remains poorly known. We report that... -
The influence of sample size on the determination of population trends in the vulnerable Lesser Kestrel Falco naumanni overwintering in South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: David Ward David Pepler Riana BothaReliable measures of population sizes of endangered and vulnerable species are difficult to achieve because of high variability in population sizes and logistic constraints on sample sizes, yet such measures are crucial for the determination of the success of conservation... -
Development and functional significance of dorsal air bags in nestlings of Monteiro's Hornbill Tockus monteiri
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Colleen Downs Christian Boix-Hinzen Mark BrownThis study describes the morphology and investigates the possible function of the air bags found on the nestlings of Monteiro's Hornbill Tockus monteiri. These air bags increased in size with age and mass of the nestling until 14 d of... -
Protecting Damara Terns Sterna balaenarum from recreational disturbance in the Namib Desert increases breeding density and overall success
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: J Braby --- Animal Demography Unit, Department of Zoology, South Africa RJ Braby --- Namibian Coast Conservation Management Project, Namibia N Braby --- , Namibia RE Simmons --- Percy FitzPatrick Institute of African Ornithology, South Africa -
An effect of vegetation structure on carcass exploitation by vultures in an African savanna
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: AndrewJ Bamford --- School of Biosciences, UK Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, Swaziland IanCW Hardy --- School of Biosciences, UKCarcass utilisation by vultures may be constrained by the surrounding vegetation, as high vegetation densities may leave insufficient space for the vultures to take-off. We tested this by placing carcasses at 14 sites differing in density and height of the... -
On some parameters related to weak noncompactness in L1(μ,E)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Diana Caponetti --- Department of Mathematics, ItalyA weak measure of noncompactness γU is defined in a Banach space in terms of convex compactness. We obtain relationships between the measure γU (A) of a bounded set A in the Bochner space L1 (μ,E) and two parameters Π(A)... -
Yorùbá proverbs: An insight into the indigenous healthcare delivery system and health education
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Ọládélé Caleb Orímóògùnjé --- Department of Linguistics, African and Asian Studies, NigeriaThis article attempts a discussion of the socio-cultural background of the verbal arts regarding the role of proverbs in the Yorùbá indigenous healthcare practices. It also touches on the use of verbal arts in both indigenous and in community-based healthcare... -
Phonetics of intonation in South African Bantu languages
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sabine Zerbian Etienne BarnardMuch is already known about the prosodic systems of the indigenous South African languages from descriptions and analyses in the existing literature. All of the existing work has been carried out in the field of African studies or formal linguistics... -
Persuading by addressing: a functional approach to speech-act comparison
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Christiane NordAdvertisements are intended to persuade the addressees to buy a particular product or service. In order to achieve this communicative purpose, text producers make use of various strategies. Apart from directly appellative speech acts like recommendations, requests or invitations, they... -
The Cambridge Handbook of Phonology
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sabine Zerbian -
Rhoticity in Black South African English – a sociolinguistic study
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Dieter Hartmann --- Department of Linguistics, South Africa Sabine Zerbian --- Department of Linguistics, South AfricaThis article investigates the phenomenon of rhoticity in the speech of black speakers of South African English. Historically, South African English is non-rhotic. Thus, any shift towards a rhotic variant is a significant language change. Thirty-nine interviews were conducted with... -
Realisations of a single high tone in Northern Sotho
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sabine Zerbian --- Department of Linguistics, South Africa Etienne Barnard --- , South AfricaThis article reports on a production study that investigates the realisation of a single high tone in the verbal constituent in Northern Sotho, a Bantu language spoken in South Africa. The parameters of variation investigated are based on existing descriptive... -
The role of APPRAISAL in the NRF Rating System: an analysis of Judgement and Appreciation in peer reviewers' reports
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Christine Marshall --- Department of English Language and Linguistics, South Africa Ralph Adendorff --- Department of English Language and Linguistics, South Africa Vivian de Klerk --- , South AfricaThis research is based on analyses of a corpus of reviewers' reports that were elicited for the purposes of assessing South African researchers who have applied for a rating from the National Research Foundation (NRF). Such ratings are highly sought-after... -
Newspaper literacy and communication for democracy: is there a crisis in South African journalism?
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Siebörger --- Department of English Language and Linguistics, South Africa RalphD Adendorff --- Department of English Language and Linguistics, South AfricaMedia theorists such as Barnett (2002), Buckingham (1997 & 2000) and Sampson (1999) describe a perceived crisis hindering the media's ability to inform citizens for participation in democracy. One of the symptoms and causes of this crisis, they argue, is... -
Toward sustainable harvesting of Africa's largest medicinal plant export (Prunus africana): a case study in Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JR Maximillian --- College of Natural Resources, USA J O'Laughlin --- College of Natural Resources, USAGlobal demand for treating prostate disorders with Prunus africana bark extract has made P. africana Africa's largest medicinal plant export. Unsustainable harvesting practices can lead to local extirpations of this multipurpose tree. Survey research targeting P. africana harvesters in a... -
Wolf and Christman on autonomy: Two objective views
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Ian Jennings --- Philosophy Department School of Human and Social Studies University of Natal, South AfricaIn this paper I examine the attempts of Susan Wolf and John Christman to rescue efforts to characterise the concept of autonomy from the difficulties faced by so-called subjective theories of autonomy – theories which treat agent’s own appraisals of... -
A defense of peace as a human right
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Patrick Hayden --- Louisiana Scholars’ College Northwestern State University, USARecent years have seen increased debate about the contributions that human rights make to the creation of conditions of peace. However, less attention has been paid to the claim that peace itself is a genuine human right. Whereas some critics... -
Fairness and political obligation
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Brian Penrose --- Dept. of Philosophy, South AfricaIn this paper I offer a limited defence of “fairness” or “fair play” arguments for political obligation by focussing on one important critique of such arguments, that offered by A. John Simmons. I isolate Simmons’s concentration on the idea of... -
E-mail and Eudaimonia: Global Justice and Moral Concern
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Emma Rooksby --- Centre for Applied Philosophy and Public Ethics, Charles Sturt University c/o LPO Box A260, Australian National University,In his recent book, Happiness, Pedro Tabensky has argued for an Aristotelian account of happiness as eudaimonia or flourishing. However, his account of happiness appears to have the unfortunate implication that both individual eudaimonia and global justice are in principle... -
Is the Right prior to the Good?
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Julian Fink --- Corpus Christi College, United KingdomOne popular line of argument put forward in support of the principle that the right is prior to the good is to show that teleological theories, which put the good prior to the right, lead to implausible normative results. There... -
Group Responsibility in the Aftermath of Apartheid
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Rianna Oelofsen --- Philosophy Department Rhodes University Grahamstown, South AfricaThis paper deals with the issue of collective responsibility in the aftermath of apartheid. For the purposes of this paper I assume that there is such a thing as collective responsibility and, given this assumption, I show that determining precisely... -
De- and rehumanization in the wake of atrocities
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Rianna Oelofsen --- Department of Philosophy Rhodes University Grahamstown,This paper investigates the phenomena of de- and rehumanization. Daniel Bar-Tal has identified different societal activities and beliefs common in situations of protracted conflict, of which dehumanization is one. The reversal of dehumanization, namely rehumanization, is necessary in order to... -
Transforming the state away from the State? Radical social action and ‘minority attractions’ under scrutiny
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Ian Liebenberg --- University of Stellenbosch, Petrus de Kock --- South African Institute for International Affairs (SAIIA),This review article situates the work Black Flame within a capita selecta of earlier publications on anarchism-syndicalism and radical thought. Schmidt and Van der Walt’s contribution (2009) is a recent addition to political thought, theory and socio-economic practice within the... -
Why is there Philosophy of Mathematics AT ALL?
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Ian Hacking --- Collège de France and University of Toronto,Mathematics plays an inordinate role in the work of many of famous Western philosophers, from the time of Plato, through Husserl and Wittgenstein, and even to the present. Why? This paper points to the experience of learning or making mathematics,... -
Wittgenstein, necessity, and the application of mathematics
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Ian Hacking --- Collège de France and University of Toronto, -
The Historical Development of the Written Discourses on Ubuntu
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Christian B.N. Gade --- Department of Philosophy and History of Ideas, DenmarkIn this article, I demonstrate that the term ‘ubuntu’ has frequently appeared in writing since at least 1846. I also analyse changes in how ubuntu has been defined in written sources in the period 1846 to 2011. The analysis shows... -
Biomechanical features of the bill and and jaw apparatus of cuckoos, turacos and the hoatzin in relation to food acquisition an
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: LeonidP Korzun Christian Erard Jean-Pierre Gasc FelixJ DzerzhinskyA morphofunctional analysis of the feeding apparatus was conducted from an evolutionary perspective on the hoatzin (Opisthocomidae), some cuckoos (Cuculidae) and some turacos (Musophagidae). These goups share a common ancestral adaptation of the bill apparatus linked to starting food processing... -
Moult, breeding season, mass, wing length, and dispersal in Cape Robins (Cossypha caffra) and Olive Thrush
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: BoT Bonnevie AdrianJFK Craig PatE Hulley GeorgeD UnderhillWe compared a data set from the Western Cape, South Africa (GDU, n = 170 Olive Thrushes (Turdus olivaceus), n = 475 Cape Robins (Cossypha caffra)) with our captures in the Eastern Cape, South Africa (n = 197 Olive Thrushes,... -
Additional morphological characteristics of Olive Thrushes and Karoo Thrushes
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: BoT Bonnevie AdrianJFK Craig PatE Hulley -
The evolution of song structure in southern African birds: an assessment of the acoustic adaptation hypothesis
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Julian Saunders Rob SlotowSong is critical to territory defence, mate attraction, and both species and individual recognition. According to the Acoustic Adaptation Hypothesis (AAH), habitat structure may exercise a selective force on vocal evolution such that song evolves to minimise the degradation and... -
Sexual dimorphism and individual variation in the bill markings of Meller's Duck, Anas melleri
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Cillian Lohan H. Glyn Young -
Global change challenges the Tawny Eagle (Aquila rapax): modelling extinction risk with respect to predict
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: MatthiasC Wichmann W J Richard Dean Florian Jeltsch -
Nest-site partitioning in a strandveld shrubland bird community
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Dianah Nalwanga Penn Lloyd MornéA du Plessis E MartinNest-site selection may vary adaptively among co-existing species as a result of competitive interactions among the species or in response to density-dependent nest predation. We examined nest-site characteristics and degree of partitioning among 14 co-existing bird species breeding in dwarf... -
The influence of nest-site characteristics on the nesting success of the Karoo Prinia (Prinia maculosa)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Dianah Nalwanga Penn Lloyd MornéA du Plessis ThomasE MartinChoice of nest site has important consequences for nest survival. We examined nest-site characteristics relative to nest success in Karoo Prinias breeding in coastal dwarf shrubland, where high nest predation is the main cause of nest failure. Initially, we compared... -
Predicting the breeding success of large raptors in arid southern Africa: a first assessment
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: MatthiasC Wichmann W RichardJ Dean Florian JeltschRaptors are often priorities for conservation efforts and breeding success is a target measure for assessing their conservation status. The breeding success of large raptors in arid southern Africa is thought to be higher in years of high rainfall. While... -
First records in Guinea Bissau of Adamawa Turtle Dove Streptopelia hypopyrrha (Columbidae), with data on m
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mariana Carvalho Susana DiasThere are no confirmed records of the Adamawa Turtle Dove Streptopelia hypopyrrha in north-eastern Guinea Bissau and there is very little information available on the biology of the species. Eight individuals of the Adamawa Turtle Dove were identified from the... -
Editorial
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig -
Jack Skead, 1912–2006
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig -
OBSERVATIONS ON THE ORANGE-BREASTED ROCKJUMPER
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: IAN CAMPBELL TAIT -
Confirmation of the occurrence of a second killer whale morphotype in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PB Best --- Mammal Research Institute, Whale Unit, South Africa MA Meÿer --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa M Thornton --- Mammal Research Institute, Whale Unit, South Africa PGH Kotze --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa SM Seakamela --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa GJG Hofmeyr --- Port Elizabeth Museum at Bayworld, Port Elizabeth, and Department of Zoology, South Africa S Wintner --- KwaZulu-Natal Sharks Board, Umhlanga Rocks, and Biomedical Resource Unit, South Africa CD Weland --- Canadian Centre for DNA Barcoding, Biodiversity Institute of Ontario, Canada D Steinke --- Canadian Centre for DNA Barcoding, Biodiversity Institute of Ontario, CanadaKiller whales Orcinus orca occur worldwide in a number of morphotypes that differ in size, pigmentation, acoustic behaviour, food type and genetics – some may indeed warrant subspecific or even specific status. Until recently, all killer whales in South African... -
Fragmented participation in management of the fishery for small pelagic fish in South Africa – inclusion of small-rights holders is a complex matter
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MM Hara --- Institute for Poverty, Land and Agrarian Studies [PLAAS], University of the Western Cape, South Africa J Rogerson --- Institute for Poverty, Land and Agrarian Studies [PLAAS], University of the Western Cape, South Africa J de Goede --- Pelagic and High Seas Fisheries Management, Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries [DAFF], South Africa J Raakjær --- Innovative Fisheries Management [IFM], Department of Development and Planning, DenmarkThe reasons why most small-rights holders do not participate in management of the fishery for small pelagic fish (‘small pelagics’) in South Africa, despite legislation and policy encouraging their participation, were analysed. Membership of the Small Pelagics Management Working Group... -
Factors affecting diet, habitat selection and breeding success of the African Crowned Eagle Stephanoaetus coronatus in a fragmented landscape
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Christopher J Swatridge --- School of Biosciences, UK Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, Swaziland David J Steyn --- , South Africa Garth R Batchelor --- , South Africa Ian CW Hardy --- School of Biosciences, UKThis study aimed to identify variables that affect habitat selection and nesting success of the African Crowned Eagle Stephanoaetus coronatus, the largest forest raptor, in north-eastern South Africa. A preference for nesting in the Northern Mistbelt Forest vegetation type was... -
Nectar feeding by weavers (Ploceidae) and their role as pollinators
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South AfricaReviews of nectar-feeding by birds initially focused on specialist nectarivores and ignored the role that more generalist feeders may play in plant pollination. Recent work has emphasised the range of bird species, both specialist and opportunistic, that feed on nectar... -
Birds in a Changing Environment: Report on the 13th Pan-African Ornithological Congress in Arusha, Tanzania
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Colleen Downs --- School of Life Sciences, South Africa Doug Harebottle --- Animal Demography Unit, South Africa Tim Dodman --- Wetlands International, The Netherlands Abdoulaye Ndiaye --- Wetlands International, The Netherlands Phoebe Barnard --- South African National Biodiversity Institute, South Africa Brian Huntley --- School of Biological and Biomedical Sciences, UK Darcy Ogada --- The Peregrine Fund, USA Andre Botha --- Endangered Wildlife Trust, South Africa Fleur Ng'weno --- Nature Kenya (East Africa Natural History Society), Kenya -
Wind farms threaten southern Africa's cliff-nesting vultures
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Rushworth --- Scientific Services, South Africa Sonja Krüger --- Scientific Services, South AfricaWind farms have been shown to cause bird mortality in many studies. Proposals for the development of wind farms in Lesotho, which is core habitat for small and declining populations of the regionally Endangered Bearded Vulture Gypaetus barbatus meridionalis and... -
Percentile-based Weibull diameter distribution model for Pinus kesiya stands in Benguet province, Philippines
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Roscinto Ian C Lumbres --- Warm Temperate and Subtropical Forest Research Center, Republic of Korea Young Jin Lee --- Department of Forest Resources, Republic of KoreaThis study was conducted to develop a diameter distribution model for Pinus kesiya stands in Benguet province, Philippines, using the percentile-based Weibull model. The performance of the different equations was examined using evaluation statistics such as the fit index (FI)... -
Changes in markers of bone turnover following urbanisation of black South African women
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Marlena C Kruger --- Department of Physiology, R M de Winter --- Department of Physiology, Piet J Becker --- Centre for Epidemiological Research in Southern Africa, Hester H Vorster --- School of Physiology and Nutrition, Potchefstroom University for Christian Higher Education,Objectives. To investigate dietary changes occurring with urbanisation of black South African women of different ages and how these changes influence biochemical markers of bone turnover. -
Amiodarone-induced thyroid dysfunction
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Ian Louis Ross --- Divisions of Endocrinology and Cardiology and Medical Informatics, David Marshall --- Divisions of Endocrinology and Cardiology and Medical Informatics, Andrzej Okreglicki --- Divisions of Endocrinology and Cardiology and Medical Informatics, Sedick Isaacs --- Divisions of Endocrinology and Cardiology and Medical Informatics, Naomi Sharlene Levitt --- Divisions of Endocrinology and Cardiology and Medical Informatics,Background. Little is known about the frequency of thyroid dysfunction (TD) associated with amiodarone therapy in southern Africa. -
Treatment and prevention of the insulin resistance syndrome
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Ian Cook --- Department of Physical Education and Human Nutrition, -
43rd SEMDSA Congress 2008
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Ian Louis Ross --- Department of Medicine, Naomi S (Dinky) Levitt --- Department of Medicine, -
Hyperthyroidism—an unusual feature of thyroid carcinoma
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Chukwuma O Ekpebegh --- Division of Endocrinology, Department of Medicine, Ian L Ross --- Division of Endocrinology, Department of Medicine, Naomi S Levitt --- Division of Endocrinology, Department of Medicine,A 53-year-old woman presented with thyrotoxicosis, which is an unusual manifestation of thyroid carcinoma. Hyperthyroidism associated with malignancy usually occurs with well-differentiated follicular thyroid carcinoma. We show that extensive disease burden contributed to the development of hyperthyroidism, the occurrence of... -
Obesity and dietary behavioural changes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: G Jardine --- Registered dietitian in private practice,Obesity is a multifactorial condition involving genetic, environmental and behavioural factors. For most people wanting to lose weight, little can be done to alter genetics or their environment. What is generally required is a change in behaviour that will result... -
Tuberous sclerosis Anaesthetic considerations
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Adrian Bosenberg --- Department of Anaesthesia, -
The effectiveness of analgesic electrotherapy in the control of pain associated with diabetic neuropathy
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Jan Szopinski --- Department of Internal Medicine, Silesian Medical Academy, Poland Georg Lochner --- Department of Bioengineering, South Africa Hanna Szopinska --- Pain Clinic, Mayo Medical Centre of South Africa, Constantia Kloof, South AfricaObjective: To investigate the usefulness of transcutaneous electrical nerve stimulation (TENS) and electroacupuncture in managing the pain associated with diabetic neuropathy. -
Anaesthesia and Pentalogy of Cantrell
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Adrian Bösenberg --- Department of Anaesthesia, South Africa -
Anaesthesia for prune belly syndrome
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Adrian Bösenberg --- Department of Anaesthesia, South Africa -
Radiation induced changes in the airway—anaesthetic implications
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Mallika Balakrishnan --- Regional Cancer Centre, India Renju Kuriakose --- Regional Cancer Centre, India Rachel Cherian Koshy --- Regional Cancer Centre,Radiation induces a variety of changes in the airway that can potentially lead to difficult intubation. Osteoradionecrosis (ORN) of the mandible, a severe consequence of radiotherapy for head and neck malignancies can cause a reduction of the ‘mandibular space’ and... -
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, NigeriaBackground: 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,... -
Letters
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Adrian Bosenberg --- , -
Intraocular pressure changes in patients undergoing cataract extraction and lens implantation: laryngeal mask airway versus endotracheal tube
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: M J Motiang --- Dr George Mukhari Hospital and University of Limpopo (Medunsa campus), J L A Rantloane --- Steve Biko Academic Hospital and University of Pretoria,Objectives: To investigate the influence on intraocular pressure (IOP) of airway management with a laryngeal mask airway (LMA) or tracheal tube (ETT), and secondly to compare the devices with regard to their impact on IOP. -
Cuffed endotracheal tubes in paediatrics
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: MJ Motiang --- Department of Anaesthesia and Critical Care,The basic function of a tracheal tube is to provide a reliable connection between the patient's airway and the anaesthetic circuit (bag or ventilator). Ideally, this connection should allow a leak at 15–20 cmH2O to prevent pressure-related mucosal perfusion, which... -
Strategies in Rural Medical Education
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- University of the Witwatersrand, -
Developing Mentors for Community Service Doctors
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- University of the Witwatersrand, -
Rural Primary Health Care in Iran
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- University of the Witwatersrand, -
Letters to the Editor
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- University of the Witwatersrand, -
Midlevel workers in other countries
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper [AN0001] -
“Why I tried to kill myself”—an exploration of the factors contributing to suicide in the Waterberg District
Item type: Journal Article • Journal: South African Family Practice • Authors: PM Mpiana --- Dr Hugh Twomey Health Care Centre, Canada GJO Marincowitz --- Department of Family Medicine and Primary Health Care, Limpopo Province Unit, S Ragavan --- Broken Hill Hospital, Australia N Malete --- Department of Family Medicine and Primary Health Care, South AfricaBackground: One of the authors (PM) did a study of parasuicide patients at Voortrekker Hospital in the Waterberg District of Limpopo Province, South Africa. The aim of the study was to develop a deeper understanding of the parasuicide patients' perceptions... -
Facing and Dealing with Burnout
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- University of the Witwatersrand, -
The Education versus Training and the Skills versus Competency debate
Item type: Journal Article • Journal: South African Family Practice • Authors: T Gibbs --- College of Medicine and Medical Sciences, Arabian Gulf University, Kingdom of Bahrain D Brigden --- Faculty of Health Sciences, UK D Hellenberg --- University of Cape Town,The essence of modern medical education lies in the ability of defining and developing its terminology, which all too often is used in a less than thoughtful and inappropriate manner. Educationalists place emphasis upon the concept of learning rather than... -
The importance of life long learning
Item type: Journal Article • Journal: South African Family Practice • Authors: T Gibbs --- College of Medicine and Medical Sciences, Arabian Gulf University, Kingdom of Bahrain D Brigden --- Faculty of Health Sciences, UK D Hellenberg --- University of Cape Town,The concepts of evidence-based practice and clinical governance are slowly becoming commonplace in practitioners' everyday terminology. The concepts of accreditation, re-accreditation and external appraisal and validation loom in the not too distant future. However, are these terms so frighteningly divorced... -
Developing Mentors for Community Service Doctors
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- University of the Witwatersrand,The South African Academy of Family Practice's Rural Health Initiative (RHI) is proud to be able to bring you the following section of the journal, that will concentrate on issues pertaining to rural health in South Africa. We hope to... -
Continuing professional development
Item type: Journal Article • Journal: South African Family Practice • Authors: T Gibbs --- College of Medicine and Medical Sciences, Arabian Gulf University, D Brigden --- Faculty of Health Sciences, UK D Hellenberg --- University of Cape Town,It would be unlikely that many of today's practicing family doctors have not been involved in Continuing Medical Education (CME) activities. It would be equally unlikely, however, that these activities were part of any contextually structured educational plan towards professional... -
Encouraging reflective practice
Item type: Journal Article • Journal: South African Family Practice • Authors: T Gibbs --- College of Medicine and Medical Sciences, Arabian Gulf University, Bahrain D Brigden --- Faculty of Health Sciences, UK D Hellenberg --- Faculty of Health Sciences,As busy practitioners it becomes commonplace to look back over the day's professional activities. All too often, and despite a preponderance of positive interactions, the reflective eye reviews the negative aspects of daily activity and interrupts the intended social relaxation... -
Assessment and evaluation in medical education
Item type: Journal Article • Journal: South African Family Practice • Authors: T Gibbs --- College of Medicine and Medical Sciences, Arabian Gulf University, Kingdom of Bahrain D Brigden --- Faculty of Health Sciences, UK D Hellenberg --- University of Cape Town,Previous discussion has focused upon the educational process, specifically, the basis for “good” medical education, the methods of learning and teaching used and the relationship between undergraduate, postgraduate and life-long learning; continuing professional development. All these would appear to be,... -
Burning Out and In again
Item type: Journal Article • Journal: South African Family Practice • Authors: CG Ellis --- Family Physician, Hayfields Medical Centre,This paper is the third in a series on burnout. It is partly taken from notes collected from facilitating workshops on burnout in doctors. It is written as a polemic to challenge the received wisdom on this complex subject. The... -
Excerpt from a tribute to Dr James MacDonald Troup (11 November 1867–31 July 1945)
Item type: Journal Article • Journal: South African Family Practice • Authors: Adrianus PijperThis excerpt is published in reference to the article on tick bite fever that is published in this edition of SA Family Practice. Troup and Pijper first described tick bite fever in South Africa and this piece eloquently describes the... -
Healthy lifestyle interventions in general practice
Item type: Journal Article • Journal: South African Family Practice • Authors: EW Derman --- MRC/UCT Research Unit for Sports Science and Sports Medicine, S Whitesman --- Institute for Mindfulness, South Africa M Dreyer --- Dietitian Vitality Wellness, D N Patel CJ Nossel MP Schwellnus --- MRC/UCT Research Unit for Sports Science and Sports Medicine,This article forms the second part of the series on the role of lifestyle modification in general practice with specific reference to chronic cardiovascular disease. Whilst the major risk factors which constitute an unhealthy lifestyle were discussed in part 1... -
The Rustenburg Resolution: Inequality in Health Care in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Gboyega A Ogunbanjo Ian Couper -
Book Review
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- Department of Family Medicine, -
Obituary: Dr Andrew Truscott (1946–2009)
Item type: Journal Article • Journal: South African Family Practice • Authors: Ian Couper --- Department of Family Medicine Faculty of Health Sciences, -
The President's Report of the 27th Annual General Meeting of the South African Academy of Family Physicians
Item type: Journal Article • Journal: South African Family Practice • Authors: Shadrick Mazaza --- South African Academy of Family Physicians, -
Factors associated with undernutrition and overweight in elderly patients presenting at a primary care clinic in Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: LA Adebusoye [AN0001] IO Ajayi --- Department of Epidemiology, MD Dairo --- Department of Epidemiology, AO Ogunniyi --- Department of Medicine and Consultant Physician, NigeriaBackground: Undernutrition and overweight are commonly overlooked health problems of the elderly, often due to the implicit assumption that undernutrition is a rare occurrence in old age and overweight is an invariable consequence of ageing. -
Editorial Comment
Item type: Journal Article • Journal: South African Family Practice • Authors: Brian Rayner --- Division of Nephrology and Hypertension, -
The role of private general practitioners in the treatment of alcohol dependence in the Free State province
Item type: Journal Article • Journal: South African Family Practice • Authors: PM Van Zyl --- Department of Psychiatry, Faculty of Health Sciences, CA Gagiano --- Department of Pharmacology, Faculty of Health Sciences, WF Mollentze --- Department of Internal Medicine, Faculty of Health Sciences, JS Snyman --- Department of Pharmacology University of Pretoria;, G Joubert --- Department of Biostatistics, Faculty of Health Sciences,Objectives: The study was undertaken to investigate the role of private general practitioners (GPs) in the treatment of alcohol dependence in the Free State province. -
The prevalence of burnout and depression in medical doctors working in the Cape Town Metropolitan Municipality community healthcare clinics and district hospitals of the Provincial Government of the Western Cape: a cross-sectional study
Item type: Journal Article • Journal: South African Family Practice • Authors: L Rossouw --- Family Physician, Division Family Medicine and Primary Care, S Seedat --- Department of Psychiatry, RA Emsley --- Department of Psychiatry, S Suliman --- Division Family Medicine and Primary Care, D Hagemeister --- Division Family Medicine and Primary Care,Aim: This study investigated burnout and depression in medical doctors in the context of work-related conditions and the role of resilience as a modifiable factor. -
Cardiovascular risk factors in a treatment-naïve, human immunodeficiency virus-infected rural population in Dikgale, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Felistas Mashinya --- Department of Medical Science, Public Health and Health Promotion, School of Health Sciences, Marianne Alberts --- Department of Medical Science, Public Health and Health Promotion, School of Health Sciences, Robert Colebunders --- International Health Unit, Department of Epidemiology and Social Medicine, Faculty of Medicine, Belgium Jean-Pierre Van Geertruyden --- International Health Unit, Department of Epidemiology and Social Medicine, Faculty of Medicine, BelgiumObjective: The objective was to determine lipid levels and cardiovascular risk factors in treatment-naïve, human immunodeficiency virus (HIV)-infected rural African people in Limpopo province. -
Experiences and conceptualizations of sexual debut from the narratives of South African men and women in the context of HIV/AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Erin Stern --- University of Cape Town, Women's Health Research Unit, South Africa Diane Cooper --- University of Cape Town, Women's Health Research Unit, South AfricaGiven the pivotal role of first sex in the development of sexual and reproductive health (SRH) practices, there is a need for more contextualised and nuanced understandings of young people's early sexual debut experiences. This study used sexual history narratives... -
The KIT-Split in South African English: A critical review
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Bekker --- School of Languages,This article provides a thorough critical review of the literature on the so-called ‘KIT-Split’ in South African English (SAfE). The main result of this review is to show how the use and understanding of this term has undergone change. It... -
The weak vowels of South African English: A critical review and comparative acoustic analysis
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Bekker --- School of Languages, 2520This article firstly provides a thorough critical review of the existing literature on the status of the weak vowels of South African English (SAfE), both within the context of developments within SAfE as well as within the context of other... -
Preface
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Bekker --- School of Languages, Potchefstroom Campus, -
The place and role of some songs in the Yorùbá indigenous health care system
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Ọládélé Caleb Orímóògùnjẹ́ --- Department of Linguistics, African and Asian Studies,Songs belong to a subcategory of oral Yorùbá poetry that is distinguished by its highly musical mode of rendition different from the recitative mode. Songs can be accompanied by instrumentation and dance because of their regular rhythmic rendition. Recitations are... -
An evaluation of the Triage Early Warning Score in an urban accident and emergency department in KwaZulu-Natal
Item type: Journal Article • Journal: South African Family Practice • Authors: DK Naidoo --- Addington Hospital Department of Family Medicine, S Rangiah --- Department of Family Medicine, SS Naidoo --- College of Family Physicians of South Africa,Objective: Triage is an essential first step in the efficient and effective running of any emergency department. A good triage tool saves lives and reduces mortality. The Triage Early Warning Score (TEWS) is a useful tool used to identify patients... -
Career Decision Self-Efficacy and Self-Directed Learning Among Women University Students: A Cross-Cultural Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karina de Bruin --- University of Johannesburg, South Africa Gillian Hughes --- University of Johannesburg, South AfricaThis study investigated the relationship between career decision self-efficacy and self-directed learning among Black and White women university students. Three-hundred and fifty-five female university students (211 Black; 144 White) completed the Student Self-Directed Learning Questionnaire and the Career Decision Self-Efficacy... -
Comparison of two rocuronium bromide doses in adult and elderly patients who underwent laparoscopic surgery
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: MB Passavanti --- Department of Anesthetics, Surgical and Emergency Sciences, Italy MC Pace --- Department of Anesthetics, Surgical and Emergency Sciences, Italy P Sansone --- Department of Anesthetics, Surgical and Emergency Sciences, Italy M Chiefari --- Department of Anesthetics, Surgical and Emergency Sciences, Italy M Iannotti --- Department of Anesthetics, Surgical and Emergency Sciences, Italy M Maisto --- Department of Anesthetics, Surgical and Emergency Sciences, Italy C Aurilio --- Department of Anesthetics, Surgical and Emergency Sciences, ItalyBackground -
Melatonin as premedication for laparoscopic cholecystectomy: a double-blind, placebo-controlled study
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: D Ionescu --- Anaesthesia and Intensive Care Department, Romania C Bãdescu --- Anaesthesia and Intensive Care Department, Clinica ATI, Spitalul Clinic de Adulct, Romania A Ilie --- Anaesthesia and Intensive Care Department, Clinica ATI, Spitalul Clinic de Adulct, Romania I Miclutia --- Psychiatry Department, Romania C Iancu --- Department of Surgery, Romania D Ion --- Department of Physiology, Romania H Vasian --- Anaesthesia and Intensive Care Department, Romania I Acalovschi --- Anaesthesia and Intensive Care Department, Romania T Mocan --- Department of Physiology, Romania C Bondor --- Department of Medical Statistics, RomaniaBackground: There are only a few studies involving the use of melatonin for premedication for anaesthesia. The goal of our study was to compare the effects of melatonin and midazolam administered as premedication for laparoscopic cholecystectomy. -
The Human Quest for Meaning: Theories, Research, and Applications
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dianne Vella-Brodrick --- Melbourne Graduate School of Education, Australia -
Legal professionals’ views on pre-trial therapy in cases of child sexual abuse in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ansie Fouché --- North-West University, South Africa Liana (MP) Le Roux --- University of Pretoria, South AfricaThe aim of this study is to report on a preliminary qualitative inquiry into the views of legal professionals in South Africa regarding pre-trial therapy for victims of child sexual abuse (CSA). Applying purposive and snowball sampling, 15 experienced state... -
Leading while being led: developing the developer at a Catholic NGO in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Grant A. Fore --- STEM Education Research Institute (SERI), Indiana University-Purdue University, U.S.A.The paper uses ethnographic data about the religious ethics undergirding the discourse and practices of development agents at Catholic Welfare and Development (CWD), a faith-based NGO in Cape Town, South Africa. It explores how the dynamic interrelation between faith and... -
Imagining the Post-Apartheid State: An Ethnographic Account of Namibia, by John T. Friedman
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Christian A. Williams --- Centre for Humanities Research, -
The long-term effect of fire and grazing by wildlife on range condition in moist and arid savannas in the Kruger National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Winston Trollope --- Working on Fire International, South Africa Brian van Wilgen --- Department of Botany and Zoology, Centre for Invasion Biology, South Africa Lynne A Trollope --- Working on Fire International, South Africa Navashni Govender --- SANParks – Kruger National Park, Scientific Services, South Africa Andre L Potgieter --- SANParks – Kruger National Park, Scientific Services, South AfricaFew assessments of the effects of fire and grazing on the herbaceous components of savannas have been reported for Africa. In the Kruger National Park, South Africa, range condition was monitored at three savanna sites spanning a rainfall gradient of... -
Interaction and notation of tone, stress and intonation in Ika Igbo
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Joy Oluchi Uguru --- Department of Linguistics, Igbo and other Nigerian Languages,This paper investigates the existence of tone, stress and intonation in an otherwise tone language, Ika Igbo. It shows that stress and intonation actually exist in the dialect, as evidenced by the significant prominence of certain syllables in the utterances... -
Socio-economic and demographic factors related to HIV status in urban informal settlements in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Liana Steenkamp --- HIV&AIDS Research Unit, South Africa Danie Venter --- Unit for Statistical Consultation, South Africa Corinna Walsh --- Department of Nutrition and Dietetics, South Africa Pelisa Dana --- Eastern Cape AIDS Council, South AfricaThe prevalence of HIV&AIDS is embedded in social and economic inequity and the relationship between social determinants and HIV incidence is well established. The aim of this study was to determine which socio-economic and demographic factors are related to HIV... -
Primary wing-moult and site fidelity in South African mousebirds (Coliidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa Bo T Bonnevie --- Information Technology Division, South Africa Patrick E Hulley --- Department of Zoology and Entomology, South Africa George D Underhill --- ,Based on large samples of birds mist-netted in the Eastern Cape and the Western Cape, moult of the primary remiges in both Speckled Mousebirds Colius striatus and Red-faced Mousebirds Urocolius indicus occurred throughout the year with no regional or seasonal... -
Crop damage by granivorous birds despite protection efforts by human bird scarers in a sorghum field in western Kenya
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Matthew Hiron --- Department of Ecology, Sweden Diana Rubene --- Department of Ecology, Sweden Collins K Mweresa --- International Centre of Insect Physiology and Ecology, Kenya Yvonne UO Ajamma --- International Centre of Insect Physiology and Ecology, Kenya Eunice A Owino --- International Centre of Insect Physiology and Ecology, Kenya Matthew Low --- Department of Ecology, SwedenCereal crop damage from granivorous birds poses a serious food security problem for subsistence farmers in sub-Saharan Africa. In this region, farmers may rely on human ‘bird scarers’ to limit crop damage. Here we report feeding behaviour and crop damage... -
Winners and losers – responses to recent environmental change by South African seabirds that compete with purse-seine fisheries for food
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Robert JM Crawford --- Branch Oceans and Coasts, South Africa Azwianewi B Makhado --- Branch Oceans and Coasts, South Africa Lauren J Waller --- CapeNature, South Africa Philip A Whittington --- Department of Zoology, South AfricaThere were recent changes in the distributions of the main prey of four seabirds off South Africa, with sardine Sardinops sagax and anchovy Engraulis encrasicolus shifting from South Africa's north-west coast towards the south-east. This contributed to numbers of African... -
Breeding biology and reproductive success of the Spectacled Tetraka Xanthomixis zosterops (Bernieridae) in a rainforest of Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Eric M Temba --- Department of Animal Biology, Faculty of Science, Madagascar Mar Cabeza --- Department of Biosciences, Finland Aristide Andrianarimisa --- Department of Animal Biology, Faculty of Science, MadagascarThe Spectacled Tetraka Xanthomixis zosterops is a sexually monomorphic species in a family (Bernieridae) endemic to Madagascar and is found in various humid forest types. It is categorised as Least Concern by the IUCN. Despite its commonness, the biology of... -
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, AlgeriaIn 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... -
Congregations of wintering Egyptian Vultures Neophron percnopterus in Afar, Ethiopia: present status and implications for conservation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Volen Arkumarev --- Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Bulgaria Vladimir Dobrev --- Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Bulgaria Yilma D Abebe --- Ethiopian Wildlife and Natural History Society, Ethiopia Georgi Popgeorgiev --- Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Bulgaria Stoyan C Nikolov --- Bulgarian Society for Protection of Birds/BirdLife Bulgaria, BulgariaThe Endangered Egyptian Vulture Neophron percnopterus congregates in communal roosts in the wintering areas and where food availability is high, where even a single threat might lead to substantial population declines. Thus, more research on the congregation sites is needed... -
Positive work experiences and life satisfaction: the moderating role of gender
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jillian C. Williamson --- University of Johannesburg, South Africa Madelyn Geldenhuys --- University of Johannesburg, South AfricaThis study investigated the effects of work engagement and psychological meaningfulness on life satisfaction taking into account the moderating effect of gender. A cross-sectional research design was used to capture data on satisfaction with life, work engagement and psychological meaningfulness... -
Clinical insights into the lifestyle and dietary management of insulin resistance syndrome
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Anne Till --- Anne Till and Associates, Registered Dietitians, Ria Buys --- Anne Till and Associates, Registered Dietitians,Insulin resistance syndrome and its associated abnormalities are recognised as major public health issues. Abnormalities associated with the syndrome include, but are not limited to, cardiovascular disease, hypertension, diabetes and polycystic ovary syndrome. Identifying the insulin resistance syndrome in practice... -
Introduction
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Sharad Chari --- Centre for Indian Studies in Africa and Department of Anthropology, South Africa Kelly Gillespie --- Department of Anthropology, South Africa -
An “Indian commons” in Durban? limits to mutuality, or the city to come
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Sharad Chari --- Centre for Indian Studies in Africa and Department of Anthropology, South AfricaThis paper explores the ways in which memories of Black South Africans in Durban, identified by racial discourse and often by themselves as Indian and Coloured, reach back to early twentieth century processes of dispossession and occupation. Through historical and... -
Practicing pan-Africanism: an anthropological perspective on exile-host relations at Kongwa, Tanzania
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Christian A. Williams --- Institute for Reconciliation and Social Justice, South AfricaThis paper explores exile-host relations at Kongwa, where southern Africa's first guerrilla soldiers lived alongside villagers in rural, central Tanzania between 1964 and 1978. Drawing from the author's previous research on SWAPO's exile camps, recent publications about the ANC in... -
Home range and diving behaviour of Heaviside's dolphins monitored by satellite off the west coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RW Davis --- Department of Marine Biology, USA JHM David --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa MA Meÿer --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa K Sekiguchi --- International Christian University, Japan PB Best --- Mammal Research Institute, South Africa M Dassis --- Instituto de Investigaciones Marinas y Costeras, Facultad de Ciencias Exactas y Naturales, Argentina DH Rodríguez --- Instituto de Investigaciones Marinas y Costeras, Facultad de Ciencias Exactas y Naturales, ArgentinaThree Heaviside's dolphins Cephalorhynchus heavisidii were fitted with satellite depth recorders off the west coast of South Africa during February–April 1997 and monitored for 51, 73 and 130 days, respectively. In total, 345 locations were received from the three animals,... -
Research and conservation of the larger parrots of Africa and Madagascar: a review of knowledge gaps and opportunities
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Rowan O Martin --- Percy FitzPatrick Institute of African Ornithology, South Africa Michael R Perrin --- Research Centre for African Parrot Conservation, South Africa Rutledge S Boyes --- Percy FitzPatrick Institute of African Ornithology, South Africa Yilma D Abebe --- Ethiopian Wildlife and Natural History Society, Ethiopia Nathaniel D Annorbah --- Division of Biology and Conservation Ecology, UK Augustus Asamoah --- Environmental Sustainability Project, Accra Dieudonné Bizimana --- Association Burundaise pour la protection des Oiseaux, Burundi Kadiri S Bobo --- Department of Forestry, Faculty of Agronomy and Agricultural Sciences, Cameroon Nancy Bunbury --- Seychelles Islands Foundation, Seychelles Joost Brouwer --- Niger Bird Database, The Netherlands Moussa S Diop --- AfriWet Consultants, Senegal Mihret Ewnetu --- Ethiopian Wildlife Conservation Authority, Ethiopia Roger C Fotso --- Wildlife Conservation Society, Cameroon Jerry Garteh --- Society for the Conservation of Nature of Liberia, Liberia Philip Hall --- AP Leventis Ornithological Research Institute, Nigeria Lars H Holbech --- Department of Animal Biology and Conservation Science, Ghana Ireene R Madindou --- Ornithology Section, Kenya Fiona Maisels --- Global Conservation Program, USA Jérôme Mokoko --- Wildlife Conservation Society, Republic of Congo Ronald Mulwa --- Ornithology Section, Kenya Anna Reuleaux --- Seychelles Islands Foundation, Seychelles Craig Symes --- School of Animal, Plant and Environmental Sciences, South Africa Simon Tamungang --- Wildlife Ecology and Management Group, Cameroon Stuart Taylor --- School of Science, Faculty of Science and Engineering, New Zealand Simon Valle --- Division of Biology and Conservation Ecology, UK Matthias Waltert --- Conservation Biology/Workgroup on Endangered Species, Germany Mengistu Wondafrash --- Ethiopian Wildlife and Natural History Society, EthiopiaParrot populations in Africa and Madagascar are declining and the need for conservation actions to address threats is increasingly recognised. Effective conservation requires a robust knowledge base on which decisions over appropriate actions can be made, yet at present there... -
The hybrid mean value of L-functions and a special character sums
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianghua Li --- College of Science, P.R. China Xinqiang Qin --- College of Science, P.R. China Fang Zhang --- College of Science, P.R. ChinaThe main purpose of this paper is using the estimation of the character sums to study the 2k-th power mean of L-functions with the weight of a character sums, and give an interesting asymptotic formula for it. -
The experiences of people living with HIV/AIDS in Gaborone, Botswana: stigma, its consequences and coping mechanisms
Item type: Journal Article • Journal: South African Family Practice • Authors: Vincent Setlhare --- Department of Family Medicine, Botswana Anne Wright --- Department of Family Medicine, South Africa Ian Couper --- Department of Family Medicine, South AfricaBackground: This study was carried out in Bontleng, Extension 14 and Old Naledi, which are low-income residential areas of Gaborone, Botswana. The aim of the study was to explore the experiences of people living with human immunodeficiency virus/acquired immune deficiency... -
Acacia mearnsii industry overview: current status, key research and development issues
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Julian Moreno Chan --- Institute for Commercial Forestry Research, South Africa Philip Day --- NTE Company (Pty) Ltd, South Africa John Feely --- Forestry consultant, South Africa Rob Thompson --- NCT Forestry Co-operative Ltd, South Africa Keith M Little --- School of Natural Resource Management, South Africa Craig H Norris --- NCT Forestry Co-operative Ltd, South AfricaAcacia mearnsii De Wild (black wattle) is an important plantation species for tannin production and woodchip exports in South Africa and Brazil. This study provides an updated overview of the black wattle industries in both countries, including planted areas and... -
Treatment outcome of tuberculosis patients at National Hospital Abuja Nigeria: a five year retrospective study
Item type: Journal Article • Journal: South African Family Practice • Authors: Onyebuchi Stephanie Ofoegbu --- Department of Family Medicine, Nigeria Bethrand Brian Odume --- Department of Family Medicine, NigeriaBackground: The HIV/AIDS epidemic in Nigeria has militated against efforts to control TB. This study determined the differences in TB treatment outcome between patients with TB/HIV co-infection and those without HIV co-infection in National Hospital Abuja, Nigeria. -
Informed Interdependence: A model for collaboration in fostering communicative competencies in a Commerce curriculum
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Siebörger --- Department of English Language and Linguistics, South Africa Kristin van der Merwe --- Department of English Language and Linguistics, South Africa Ralph Adendorff --- Department of English Language and Linguistics, South AfricaThe current orthodoxy among academics in higher education studies is that content and language learning should be integrated in order to facilitate communicative competencies in degrees seeking to prepare students for business and professions such as accounting, engineering and pharmacy... -
Emergence: selection, allowed operations, and conserved quantities
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Gennaro Auletta --- Pontifical Gregorian University,We treat emergence via reference to four ideas: (1) the different levels of emergence are characterised by distinct conservation laws, (2) the emergence process starts from some instability, (3) the driving force of emergence is given by selection processes allowing... -
The politics of time: Deleuze, duration and alter-globalisation
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Adrian Konik --- Department of Journalism, Media and Philosophy, School of Language, Media and Culture, South AfricaAlex Callinicos, in An Anti-Capitalist Manifesto, criticises Gilles Deleuze's work for its ostensible apolitical aestheticism, and for its correlative undermining of the concept of authenticity so important to political activism. He accordingly valorises the November 1999 mass protests in Seattle... -
Wildlife roadkill patterns on a major highway in northern Tanzania
Item type: Journal Article • Journal: African Zoology • Authors: John Kioko --- School for Field Studies, Tanzania Christian Kiffner --- School for Field Studies, Tanzania Nicole Jenkins --- Department of Environmental Studies, Davidson College, USA Wendy J Collinson --- Endangered Wildlife Trust, South AfricaDespite expanding road networks, there is limited understanding of the effects of roads on wildlife in East Africa. We present a baseline survey and describe the patterns of roadkill in the Tarangire–Manyara ecosystem of Tanzania. A 75 km stretch of... -
Temporal changes in the macrobenthos of sandprawn (Callichirus kraussi) beds in Swartvlei Estuary, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Nicholas Hanekom --- South African National Parks, South Africa Ian A Russell --- South African National Parks, South AfricaWater quality was recorded quarterly along the length of the Swartvlei estuary (2002–2014), while seagrass biomass and macrobenthic abundance were measured annually in intertidal sandprawn beds (2009–2014). Despite relatively stable, marine-dominated conditions the abundance of the sandprawn Callichirus kraussi recorded... -
Evidence of a contact zone between two Rhabdomys dilectus (Rodentia: Muridae) mitotypes in Gauteng province, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Anja le Grange --- Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, South Africa Armanda DS Bastos --- Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, South Africa Helene Brettschneider --- Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, South Africa Christian T Chimimba --- Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, South AfricaRecent studies have described the presence of several mitochondrial lineages within Rhabdomys, which was previously considered to be a monotypic genus. The exact distributional limits of the species and subspecies and their contact zones are unclear. In this study we... -
The timing of moult in males and females of the monomorphic Pale-winged Starling Onychognathus nabouroup
Item type: Journal Article • Journal: African Zoology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, Rhodes University, South Africa Martine Hausberger --- UMR CNRS 6552 Ethologie animale et humaine, Université de Rennes-1, France Bo Bonnevie --- Information Technology Division, Rhodes University, South Africa Laurence Henry --- UMR CNRS 6552 Ethologie animale et humaine, Université de Rennes-1, FrancePale-winged Starlings Onychognathus nabouroup inhabit the arid western interior of southern Africa and moult– breeding overlap may occur. We collected field data in two successive years on the moult of individual birds, whose sex was confirmed by genetic techniques. Small... -
New discoveries on the ecology and echolocation of the heart-nosed bat Cardioderma cor with a contribution to the phylogeny of Megadermatidae
Item type: Journal Article • Journal: African Zoology • Authors: Peter Kaňuch --- Institute of Forest Ecology, Slovak Academy of Sciences, Slovakia Tatiana Aghová --- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech Republic Yonas Meheretu --- Department of Biology, Mekelle University, Ethiopia Radim Šumbera --- Department of Zoology, University of South Bohemia, Czech Republic Josef Bryja --- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech RepublicIn this study we report findings in roosting ecology, ectoparasites, echolocation characteristics and the phylogenetic position of Cardioderma cor, an impressive bat species that is distributed throughout the savannas and woodlands of eastern Africa. For individuals caught in Mago National... -
Quotient functions of dual quermassintegrals
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Chang-Jian Zhao --- Department of Mathematics, P.R. ChinaMotivated by the notion of volume difference functions, we introduce quotient functions of dual quermassintegrals and establish Brunn-Minkowski type inequalities for them, which have several recent results as special cases. -
A new and unusual species of Parachiton (Mollusca: Polyplacophora) from South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Boris I. Sirenko --- Zoological Institute of the Russian Academy of Sciences, Universitetskaya nab, RussiaA new species of the genus Parachiton, P. hodgsoni n.sp., which inhabits shallow water off the South African coast, is described. The radula is unusual for the genus Parachiton. It consists of about 160 transverse rows of very small mature... -
Aggressive behaviour of an adult male Cape fur seal (Arctocephalus pusillus pusillus) towards a great white shark (Carcharodon carcharias)
Item type: Journal Article • Journal: African Zoology • Authors: C.L. Stewardson --- Division of Botany and Zoology, Australian National University, Australia M. Brett --- Robberg Nature Reserve, South AfricaThis is a report of a marine predator (the white shark) being threatened by a member of the species on which it preys (a male Cape fur seal). Although these events may be rarely observed or occur infrequently, they may... -
Movements and habitat utilization of nembwe, Serranochromis robustus (Günther, 1864), in the Upper Zambezi River
Item type: Journal Article • Journal: African Zoology • Authors: Eva B. Thorstad --- Norwegian Institute for Nature Research (NINA), Norway Clinton J. Hay --- Ministry of Fisheries and Marine Resources, Namibia Tor F. Næsje --- Norwegian Institute for Nature Research (NINA), Norway Ben Chanda --- Ministry of Agriculture and Co-operatives, Department of Research and Specialised Services, Zambia Finn Økland --- Norwegian Institute for Nature Research (NINA), NorwayFifteen adult nembwe Serranochromis robustus (Günther, 1864) were tagged with radio transmitters in the Zambezi River, Namibia, from 4–15 November 2000 to record behaviour and outline the implications for fisheries management. The fish were tracked on average every 3.7 days... -
Cephalopod diet of the Cape fur seal, Arctocephalus pusillus pusillus, along the Namibian coast: variation due to location
Item type: Journal Article • Journal: African Zoology • Authors: P.J.N. de Bruyn --- Mammal Research Institute, Department of Zoology and Entomology, South Africa M.N. Bester --- Mammal Research Institute, Department of Zoology and Entomology, South Africa S.P. Kirkman --- Mammal Research Institute, Department of Zoology and Entomology, South Africa S. Mecenero --- Avian Demography Unit, Department of Statistical Sciences, South Africa J.P. Roux --- Ministry of Fisheries and Marine Resources, Directorate of Resource Management, Lüderitz Marine Research, Namibia N.T.W. Klages --- Institute for Environmental and Coastal Management, Nelson Mandela Metropolitan University, South AfricaScats of the Cape fur seal, Arctocephalus pusillus pusillus, were sampled at four mainland colonies, Cape Cross, Atlas Bay,Wolf Bay and Van Reenen Bay, along the Namibian coast over a period of eight years (1994–2001) to assess the diversity and... -
The effect of ungulate grazing on a small mammal community in southeastern Botswana
Item type: Journal Article • Journal: African Zoology • Authors: Eli R. Saetnan --- University of Illinois at Urbana-Champaign, U.S.A. Christina Skarpe --- Norwegian Institute for Nature Research, NorwayUngulates can reduce the quantity of food available for other herbivores in general or reduce the available cover for small mammals in particular. On the other hand, browsing and grazing may facilitate foraging by other mammals if the quality and... -
Home range and seasonal movement of elephants in the Kunene Region, northwestern Namibia
Item type: Journal Article • Journal: African Zoology • Authors: Keith E.A. Leggett --- Namibian Elephant and Giraffe Trust, NamibiaThis paper examines the home ranges and seasonal movements of eight GPS-collared elephants (two females and six males) in the northwestern Kunene region of Namibia. Minimum convex polygon (MCP) and the fixed kernel density estimation (FKDE) methods were used to... -
A new species of Graemontia Lawrence, 1931, from the Western Cape, South Africa, with notes on the relationships of the genus (Opiliones: Laniatores: Triaenonychidae)
Item type: Journal Article • Journal: African Zoology • Authors: Adriano B. Kury --- Departamento de Invertebrados, BrazilGraemontia viridiceps n.sp., is described from the southwestern part of South Africa. This is the seventh species of the genus and the second species for which male genitalia are described and illustrated. A key is given to all species of... -
First record of a vagrant Commerson’s dolphin, Cephalorhynchus commersonii, at the southern African continental shelf
Item type: Journal Article • Journal: African Zoology • Authors: P. J. N. de Bruyn --- Mammal Research Institute, Department of Zoology and Entomology, South Africa G. J. G. Hofmeyr --- Mammal Research Institute, Department of Zoology and Entomology, South Africa M. S. de Villiers --- Avian Demography Unit, Department of Statistical Sciences, South AfricaCommerson’s Dolphins Cephalorhynchus commersonii are distributed in two disjunct populations, one around southern South America and the other around the sub-Antarctic Kerguelen Islands. These populations have been shown to be morphologically and genetically distinct and movement between the two populations... -
Tick infestations in the Namaqualand speckled padloper, Homopus signatus signatus (Gmelin, 1789)
Item type: Journal Article • Journal: African Zoology • Authors: Victor J. T. Loehr --- Department of Biodiversity and Conservation Biology, South Africa Brian T. Henen --- Department of Biodiversity and Conservation Biology, South Africa Margaretha D. Hofmeyr --- Department of Biodiversity and Conservation Biology, South AfricaMany terrestrial chelonians are parasitized by ticks, but we have a poor understanding of what determines tick infestations on chelonian hosts. We counted ticks on Homopus signatus signatus during each spring in the years 2001–2004, and evaluated tick frequencies in... -
Sexual disparity in activity patterns and time budgets of angulate tortoises (Chersina angulata) on Dassen Island, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Toby Keswick --- Department of Biodiversity and Conservation Biology, South Africa Brian T. Henen --- Department of Biodiversity and Conservation Biology, South Africa Margaretha D. Hofmeyr --- Department of Biodiversity and Conservation Biology, South AfricaBehavioural frequencies and time budgets for male and female Chersina angulata were recorded in spring, September 2004. The daily activity of the population was 10.51 ± 0.42 h (mean ± CI), but individual males and females were in the open... -
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, AustraliaThis 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... -
Influence of density on the seasonal utilization of broad grassland types by white rhinoceroses
Item type: Journal Article • Journal: African Zoology • Authors: Adrian M. Shrader --- School of Biological and Conservation Sciences, University of KwaZulu-Natal Pietermaritzburg, South Africa Michael R. Perrin --- School of Biological and Conservation Sciences, University of KwaZulu-Natal Pietermaritzburg, South AfricaWe monitored seasonal use of grassland types by white rhinos at two sites within the HluhluweiMfolozi Park (HiP). Thirty-two rhinos were removed from one site to reduce rhino density. Seasonal use of grassland types was similar at both sites, but... -
Ecology of Wahlberg’s velvet gecko, Homopholis wahlbergii, in southern Africa
Item type: Journal Article • Journal: African Zoology • Authors: Martin J. Whiting --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Leeann T. Reaney --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa J. Scott Keogh --- School of Botany and Zoology, The Australian National University, AustraliaWe examined 170 museum specimens of the southern African gekkonid lizard Homopholis wahlbergii, to quantify sexual dimorphism, male and female reproductive cycles and diet. The largest male and female we recorded were 116 and 119 mm snout–vent length (SVL) respectively... -
Diversity, dispersal and disturbance: cladoceran species composition in the Okavango Delta
Item type: Journal Article • Journal: African Zoology • Authors: Markus Lindholm --- Norwegian Institute for Water Research/NIVA, Norway Dag O. Hessen --- Department of Biology, Norway Lars Ramberg --- Harry Oppenheimer Okavango Research Centre, University of Botswana, BotswanaCommunities exposed to intermediate disturbances have been shown to be more diverse than more stable or unstable systems. We recorded the diversity pattern of zooplankton in the Okavango Delta, Botswana, a system which include water bodies with different stability with... -
West Africa’s Atlantic humpback dolphin (Sousa teuszii ): endemic, enigmatic and soon Endangered?
Item type: Journal Article • Journal: African Zoology • Authors: Caroline R. Weir --- Ketos Ecology, U.K. Koen Van Waerebeek --- Conservation and Research of West African Aquatic Mammals, Ghana Thomas A. Jefferson --- Clymene Enterprises, U.S.A. Tim Collins --- Ocean Giants Program, Wildlife Conservation Society, U.S.A.Atlantic humpback dolphins (Sousa teuszii ) are endemic to nearshore West African waters between Western Sahara and Angola. They are considered Vulnerable by the International Union for Conservation of Nature based on restricted geographic range, low abundance and apparent decline... -
First assessment of estuarine space use and home range of juvenile white steenbras, Lithognathus lithognathus
Item type: Journal Article • Journal: African Zoology • Authors: R. H. Bennett --- Department of Ichthyology and Fisheries Science, South Africa A. R. Childs --- Department of Ichthyology and Fisheries Science, South Africa P. D. Cowley --- South African Institute for Aquatic Biodiversity, South Africa T. F. Næsje --- Norwegian Institute for Nature Research, Norway E. B. Thorstad --- Norwegian Institute for Nature Research, Norway F. Økland --- Norwegian Institute for Nature Research, NorwayThe spatial dynamics and home range sizes of early juvenile white steenbras (Lithognathus lithognathus Cuvier, 1829) in the permanently open Great Fish Estuary, South Africa, were assessed using acoustic telemetry. Seven individuals (154–184 mm fork length) tagged with acoustic transmitters... -
Yellow-bellied or white-bellied? Identity of Arabian house bats (Vespertilionidae: Scotophilus) revealed from mitochondrial DNA and morphology
Item type: Journal Article • Journal: African Zoology • Authors: Peter Vallo --- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech Republic Petr Benda --- Department of Zoology, Czech Republic Antonín Reiter --- South Moravian Museum in Znojmo, Czech RepublicThe yellow-bellied Scotophilus dinganii is the only African house bat species reported to occur in the Arabian Peninsula. Formerly, the Arabian house bats were referred to similar-looking white-bellied S. leucogaster, which differs from S. dinganii mainly by the colour of... -
Acoustic niche partitioning in an anuran community inhabiting an Afromontane wetland (Butare, Rwanda)
Item type: Journal Article • Journal: African Zoology • Authors: Ulrich Sinsch --- Institute of Integrated Sciences, Department of Biology, Germany Katrin Lümkemann --- Institute of Integrated Sciences, Department of Biology, Germany Katharina Rosar --- Institute of Integrated Sciences, Department of Biology, Germany Christiane Schwarz --- Institute of Integrated Sciences, Department of Biology, Germany Maximilian Dehling --- Institute of Integrated Sciences, Department of Biology, GermanyThe species richness and calling activity of an anuran community inhabiting an agricultural wetland area at 1645 m a.s.l. near Butare, Rwanda, was assessed using visual and acoustic transects. The community included 15 species which were readily distinguishable using morphological,... -
West-Central African Pleistocene lowland forest evolution revealed by the phylogeography of Misonne’s soft-furred mouse
Item type: Journal Article • Journal: African Zoology • Authors: Violaine Nicolas --- Département de Systématique et Evolution, France Alain-Didier Missoup --- Département de Systématique et Evolution, France Marc Colyn --- UMR CNRS 6553 Ecobio, Université de Rennes 1, Station Biologique, France Corinne Cruaud --- Genoscope, Centre National de Sequençage, 2, rue Gaston Crémieux, France Christiane Denys --- Département de Systématique et Evolution, FranceWe studied the phylogeographical structure of Praomys misonnei (Rodentia: Muridae) in west-Central Africa based on 113 individuals from 31 localities and the sequencing of two mitochondrial genes (Cytb and CO1). Two clades can be identified through maximum likelihood, bayesian and... -
New records of a threatened lion population (Panthera leo) in a West African national park
Item type: Journal Article • Journal: African Zoology • Authors: Francesco M. Angelici --- F.I.Z.V, Italy Massimiliano Di Vittorio --- Dipartimento di Scienze Ambientali e Biodiversità, Italy Fabio Petrozzi --- Dipartimento di Scienze Ecologiche e Biologiche, ItalyIn West Africa, the lion is currently characterised by small populations that are fragmented and often isolated from one another, with virtually no ecological connection. In addition, lion populations are generally declining. In recent reports, in Ghana the lion has... -
Survey of gastrointestinal parasite infection in African lion (Panthera leo), African wild dog (Lycaon pictus) and spotted hyaena (Crocuta crocuta) in the Luangwa Valley, Zambia
Item type: Journal Article • Journal: African Zoology • Authors: Are R. Berentsen --- USDA/APHIS/WS/National Wildlife Research Center, U.S.A., 80521 Matthew S. Becker --- Zambian Carnivore Programme, Zambia Heather Stockdale-Walden --- University of Florida College of Veterinary Medicine, Department of Infectious Diseases and Pathology, U.S.A., 32608 Wigganson Matandiko --- Zambia Wildlife Authority, Zambia Rachel McRobb --- South Luangwa Conservation Society, Montana Mike R. Dunbar --- USDA/APHIS/WS/National Wildlife Research Center, U.S.A., 80521Little is known about gastrointestinal parasite infections in large carnivores in Africa and what is available is largely from East Africa. We collected faecal samples from nine spotted hyaenas (Crocuta crocuta), 15 lions (Panthera leo) and 13 African wild dog... -
A new species of Eimeria (Apicomplexa: Eimeriidae) from the endangered pink pigeon, Nesoenas mayeri (Prévost, 1843) Cheke, 2005 (Columbiformes) in Mauritius
Item type: Journal Article • Journal: African Zoology • Authors: S.J. Ball --- School of Life Sciences, Kingston University, U.K. P. Daszak --- Ecohealth Alliance, U.S.A. K.R. Swinnerton --- Mauritian Wildlife Foundation, Black River, Mauritius, and Durrell Wildlife Conservation Trust, Les Augrès Manor, Trinity, Jersey, Channel Islands, U.K. C.G. Jones --- Mauritian Wildlife Foundation, Black River, Mauritius, and Durrell Wildlife Conservation Trust, Les Augrès Manor, Trinity, Jersey, Channel Islands, U.K. K.R. Snow --- School of Health & Bioscience, University of East London, U.K.A new species, Eimeria mauritiensis (Apicomplexa: Eimeriidae) is reported from the pink pigeon, Nesoenas mayeri (Aves: Columbiformes) in Mauritius. Oocysts are sub-spherical 17.8 × 19.7 (16–19 × 18–22) μm: Shape index (mean length / mean width) 1.1. A micropyle, oocyst... -
Is a reduction in the individual vigilance of mothers a key evolutionary driver of group formation in white rhinos?
Item type: Journal Article • Journal: African Zoology • Authors: Adrian M. Shrader --- School of Life Sciences, University of KwaZulu-Natal, South Africa Julie F. Post --- Department of Zoology & Entomology, South Africa Nicole Hagenah --- School of Life Sciences, University of KwaZulu-Natal, South Africa Philip W. Bateman --- Department of Environment and Agriculture, Western AustraliaA key benefit and evolutionary driver of group living is reduced predation risk. In white rhinos, groups comprise adult females, their calves and one to six unrelated subadults. Subadults benefit from group living through exposure to novel areas, and protection... -
Interspecific variation in the distribution of ungulates relative to human infrastructure surrounding Amboseli National Park
Item type: Journal Article • Journal: African Zoology • Authors: Marian Howe --- Department of Biology, Vassar College, U.S.A. Moses M. Okello --- The School for Field Studies, Center for Wildlife Management Studies, Kenya Jeremy M. Davis --- Department of Biology, Vassar College, U.S.A.The presence of humans and man-made structures may cause increased wariness in wildlife, causing displacement from traditional habitat ranges. Potential species differences in such responses could affect the composition of wildlife communities around human settlements. We examined the position of... -
Phylogeography of Buthus Leach, 1815 (Scorpiones: Buthidae): a multigene molecular approach reveals a further complex evolutionary history in the Maghreb
Item type: Journal Article • Journal: African Zoology • Authors: Diana Pedroso --- CIBIO, Centro de Investigaçço em Biodiversidade e Recursos Genèticos, Campus Agrário de Vairço, Rua Padre Armando Quintas, Portugal Pedro Sousa --- CIBIO, Centro de Investigaçço em Biodiversidade e Recursos Genèticos, Campus Agrário de Vairço, Rua Padre Armando Quintas, Portugal D. James Harris --- CIBIO, Centro de Investigaçço em Biodiversidade e Recursos Genèticos, Campus Agrário de Vairço, Rua Padre Armando Quintas, Portugal Arie Van der Meijden --- CIBIO, Centro de Investigaçço em Biodiversidade e Recursos Genèticos, Campus Agrário de Vairço, Rua Padre Armando Quintas, PortugalThe distribution of the scorpion genus Buthus Leach, 1815 includes southwestern Europe, North and Central Africa and extends east towards the Arabian Peninsula. Phylogenetic relationships within the genus are complex and remain partially unresolved despite several previous assessments. A set... -
New evidence of homoplasy within the African genus Varicorhinus (Cyprinidae): an independent origin of specialized scraping forms in the adjacent drainage systems of Ethiopia inferred from mtDNA analysis
Item type: Journal Article • Journal: African Zoology • Authors: Boris A. Levin --- Institute of Biology of Inland Waters, Russian Academy of Sciences, Russia Alexander S. Golubtsov --- Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Russia Yuri Yu. Dgebuadze --- Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Russia Nikolai S. Mugue --- Koltsov Institute of Developmental Biology, Russian Academy of Sciences, RussiaInterrelationships of the two specialized scraping periphyton-feeders, Varicorhinus beso and V. jubae, and some large African barbs, Labeobarbus spp., inhabiting three main regions of Ethiopia (the Western and Eastern Plateaus, and the Rift Valley separating them) were investigated using the... -
Le peuplement animal du Mont Nimba (Guinée, Côte d’Ivoire, Liberia
Item type: Journal Article • Journal: African Zoology • Authors: Adrian Craig --- Department of Zoology & Entomology, -
Management Theory, Research and Practice for Sustainable Development in Africa: A Commentary from a Practitioner's Perspective
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Vincent Bagire --- Department of Business Administration, Uganda Juliana Namada --- School of Business, KenyaIn this article we give a synthesis of the argument that inadequate management theory and practice have contributed to Africa's lack of sustainable development. The article is based on a keynote address by the Governor of the Bank of Botswana,... -
Structural traits of elephant grass (Pennisetum purpureum Schum.) genotypes under rotational stocking strategies
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Carlos AM Gomide --- Embrapa Gado de Leite, Brazil Carla S Chaves --- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brazil Karina G Ribeiro --- Universidade Federal de Viçosa, Brazil Lynn E Sollenberger --- University of Florida, USA Domingos SC Paciullo --- Embrapa Gado de Leite, Brazil Tatiana P Pereira --- Universidade Federal Rural do Rio de Janeiro, Brazil Mirton JF Morenz --- Embrapa Gado de Leite, BrazilDespite the forage potential of elephant grass, controlling canopy structure during grazing has limited its use in pasture. This study was conducted to determine the effect of grazing frequency and post-grazing height on canopy structural characteristics of elephant grass genotypes... -
Use of counselling services by school-attending adolescent girls in Nigeria
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Ezinwanne Christiana Azfredrick --- University of Ibadan, Ibadan, Nigeria, Nigeria -
Predation drives nesting success in moist highland grasslands: the importance of maintaining vegetation cover for bird conservation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian T Little --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Raymond Jansen --- Department of Environmental, Water and Earth Sciences, South AfricaBy focusing on process-oriented data rather than inventory-type data, this study provides a robust understanding of the effects of agricultural management on grassland bird reproductive output in the moist highland grasslands (MHGs) of South Africa. Four-hundred and four nests of... -
Movement ecology of five Afrotropical waterfowl species from Malawi, Mali and Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: John Y Takekawa --- US Geological Survey, USA Shane R Heath --- US Geological Survey, USA Samuel A Iverson --- US Geological Survey, USA Nicolas Gaidet --- CIRAD, UPR AGIRs, Campus international de Baillarguet, France Julien Cappelle --- CIRAD, UPR AGIRs, Campus international de Baillarguet, France Tim Dodman --- Hundland, UK Ward Hagemeijer --- Wetlands International, The Netherlands William D Eldridge --- US Fish and Wildlife Service, USA Scott A Petrie --- Long Point Waterfowl, Canada Gregory S Yarris --- US Geological Survey, USA Shiiwua Manu --- AP Levantis Ornithological Research Institute, Nigeria Glenn H Olsen --- US Geological Survey, USA Diann J Prosser --- US Geological Survey, USA Kyle A Spragens --- US Geological Survey, USA David C Douglas --- US Geological Survey, USA Scott H Newman --- Food and Agriculture Organization of the United Nations, VietnamHabitat availability for Afrotropical waterbirds is highly dynamic with unpredictable rainfall patterns and ephemeral wetlands resulting in diverse movement strategies among different species. Movement strategies among waterfowl encompass resident, regional and intercontinental migrants, but little quantitative information exists on their... -
Scientific research in hospitality studies in Brazil: challenges to finding a theoretical framework
Item type: Journal Article • Journal: • Authors: Sênia Bastos --- School of Business and Hospitality, University of Anhembi Morumbi, São Paulo, Brazil Mirian Rejowski --- School of Business and Hospitality, University of Anhembi Morumbi, São Paulo, BrazilThis paper seeks to present the systematisation of information in hospitality studies, as generated by an analysis of 227 dissertations submitted to the Master’s Programme in Hospitality Studies at the University of Anhembi Morumbi, as well as 18 doctoral dissertations... -
Growth models for six Eucalyptus species in Angola
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cristobal Delgado-Matas --- Faculty of Agrarian Sciences, Angola Timo Pukkala --- Faculty of Science and Forestry, FinlandThis study developed growth models for Eucalyptus saligna Sm., E. camaldulensis Dehnh., E. macarthurii H.Deane & Maiden, E. resinifera Sm., E. siderophloia Benth. and E. grandis Hill ex. Maiden, for the central highlands of Angola, and used these models to... -
The Efficiency of rights on the JSE
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: R Alston --- Department of Accounting, E Uliana --- Department of Accounting,As a result of Johannesburg Stock Exchange regulations, the majority of equity issues are by rights issue. The objective of this study is to establish whether the South African market for rights issues is efficient. Using the Black-Scholes model, theoretical... -
Market segmentation and the cost of equity of companies listed on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: C Correia --- Department of Accounting, E Uliana --- Department of Accounting,The segmentation between the Resources/Mining and the Financial and Industrial sectors on the Johannesburg stock exchange and the relative historical dominance of the Mining sector in relation to other international markets poses questions about whether the All share data or... -
Predictors of management accounting change in South Africa: Evidence from five retail companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: N M Waweru --- Department of Accounting, E Uliana --- Department of Accounting,There is limited knowledge of management accounting practices and change in developing countries. This paper explores the processes of management accounting change in five South African retail companies by means of case studies. A number of factors have been identified... -
An investigation into the behaviour of earnings and share prices of South African listed companies
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Ian Hadassin -
Evidence of a value-growth phenomenon on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: M Graham [AN0001] E Uliana [AN0001] -
On pricing kernels, information and risk
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Diane L. Wilcox --- School of Computational & Applied Mathematics, South Africa Tim J. Gebbie --- School of Computational & Applied Mathematics, South AfricaThis paper compares out-of-sample, ex-ante risk and returns of arbitrage pricing theory (APT) risk-factor based, zero-cost portfolios with characteristic-based, zero-cost portfolios. In particular the Haugen and Baker characteristic-based model framework is used in a comparison with the capital asset pricing... -
Understanding the Ubiquity of the Intentionality of Consciousness in Commonsense and Psychotherapy
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Ian Rory Owen [B0001]A formal and idealised understanding of intentionality as a mental process is a central topic within the classical Husserlian phenomenological analysis of consciousness. This paper does not define Husserl’s stance, because that has been achieved elsewhere (Kern, 1977, 1986, 1988;... -
Merleau-Ponty on Human Motility and Libet’s Paradox
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: T. Brian Mooney [B0001] Damien Norris [B0002]In 1979, neuroscientists Libet, Wright, Feinstein and Pearl introduced the “delay-and-antedating” hypothesis/paradox based on the results of an on-going series of experiments dating back to 1964 that measured the neural adequacy [brain wave activity] of “conscious sensory experience”. What is... -
Learning from Twentieth Century Hermeneutic Phenomenology for the Human Sciences and Practical Disciplines
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Ian Rory Owen [B0001]The implications of commonalities in the contributions of five key thinkers in twentieth century phenomenology are discussed in relation to both original aims and contemporary projects. It is argued that, contrary to the claims of Husserl, phenomenology can only operate... -
Some Reflections in Phenomenology and Psychoanalysis
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Hsiang Hsu [B0001]This paper examines the origin of phenomenology, and delineates several of its significant developments and refractions, in order to arrive at a renewed conception of phenomenological theory and practice: a future phenomenology that can, it is argued, articulate productively with... -
Fixating the World’s Most Caring Cornerstone: Heidegger on Self-Sacrifice
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Alin Cristian [B0001]Prior to having its authenticity and transparency examined, the openness of human existence may be said to need preservation as is, regardless of its receptivity and responsiveness to the truth of Being. Paradoxically, in self-sacrifice the fulfilment of Dasein’s ownmost... -
Is experimenting on an Immanent Level possible in RECE (Reconceptualizing Early Childhood Education)?
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Liane Mozère [B0001]A professor’s experience of attending the 17th annual Reconceptualizing Early Childhood Education (RECE) Conference on pedagogies of hope demonstrates her desire to experiment on an immanent plane. As she looks back on her past experiences of depression, working in a... -
Using Mindfulness as a Teaching Aid for Phenomenology
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Ian Rory Owen [B0001]This paper recaps the position of the Bern school of Husserl interpretation, namely the work of Iso Kern and Eduard Marbach. Kern and Marbach have provided detailed accounts in English as to how to read the key issues in Husserl... -
The Impact of Corporate Control on the Financial Variables of Companies listed on the J.S.E.
Item type: Journal Article • Journal: De Ratione • Authors: E. Uliana --- University of Cape Town,The effect of different types of corporate control on financial variables of companies are investigated. Three groups of companies representing foreign controlled, owner controlled and conglomerate controlled are matched according to size and industry. Certain financial ratios for each group... -
An evaluation of corporate ownership structures on employee, management and shareholder compensation for JSE companies
Item type: Journal Article • Journal: De Ratione • Authors: T. Cohen --- H. Tarley and Company, E. Uliana --- University of Cape Town,Where corporate ownership and control are separated, the actions of employees and managers are not completely observable by shareholders, because it is virtually Impossible for a diverse group of shareholders (the principals), to monitor the behaviour of employees and managers... -
Corporate control, economie conditions and financial performance
Item type: Journal Article • Journal: De Ratione • Authors: Richard Day --- University of Cape Town, Enrico Uliana --- University of Cape Town,The financial characteristics of owner-managed and professionally-managed companies are studied across two decades representing different economic conditions. The results show that professionally-managed companies out-performed the owner-managed companies, and that there are significant differences in financial structures between the two groups... -
A note on failure prediction models as aids to the credit evaluation procedure in a South African Commercial Bank
Item type: Journal Article • Journal: De Ratione • Authors: G.A. Garbers --- Senior lending officer, Standard Bank Cape Town, E.O. Uliana --- Professor of Accounting,Errors by bank lending officers in assessing a loan application are costly to the bank. The literature suggests that the credit evaluation process can be enhanced by the use of failure prediction models. -
Pseudocompact frames L versus different topologies on R(L)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sudip Kumar Acharyya --- Department of Pure Mathematics, India Goutam Bhunia --- Department of Pure Mathematics, India Partha Pratim Ghosh --- Indian Statistical Institute, North East Centre, Tezpur, IndiaIn this paper we have characterized pseudocompact frames L (1) via u-topology and m-topology on the rings R(L) and R* (L); (2) via some special kind of ideals of Coz L. -
Game consumption and attitudes to hunting in the Netherlands
Item type: Journal Article • Journal: • Authors: Jan A. Schulp --- School of International Hospitality Management (IHM), Stenden University of Applied Sciences, Leeuwarden, The Netherlands Fabian Pettinga --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Pepijn Meester --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsIn the Netherlands, per capita game consumption is low, but during autumn and Christmas, many consumers eat game, once or twice. Restaurants supply a big share of this game. Anti-hunting activism is a potential threat for the supply of game and therefore,... -
Key values of Chinese consumers buying sustainable goods: the case of Green Food in Fuzhou
Item type: Journal Article • Journal: • Authors: Jan Arend Schulp --- Stenden University of Applied Sciences, Rengerslaan 8, 8917 DD Leeuwarden, The Netherlands Elena Cavagnaro --- Stenden University of Applied Sciences, Rengerslaan 8, 8917 DD Leeuwarden, The Netherlands Hanqing Lin --- Fujian Communication Technology College, ChinaThis research identifies the key individual values guiding the choice of Chinese customers for Green Food. The work builds on literature on sustainable consumption and the role of values in explaining consumers’ buying behaviour. A questionnaire on values and buying... -
Imagine staying in a Shanghai hotel bedroom in 2050?
Item type: Journal Article • Journal: • Authors: Tan Li Yu Rebecca --- Victoria Management School, PO Box 600, Wellington 6135, New Zealand Ian Yeoman --- Victoria Management School, PO Box 600, Wellington 6135, New ZealandWill the future hotels of Shanghai emphasise a world of contemporary design, sustainability and technological innovations in order to deal +with the growing pains of pollution, competition of urban land and decreasing availability of clean water, which will impact on... -
Sustainable intensification of cultivated pastures using multiple herbivore species
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: James P Muir --- Texas A&M AgriLife Research, USA William D Pitman --- Louisiana State University Agricultural Center, USA Jamie L Foster --- Texas A&M AgriLife Research, USA José C Dubeux --- North Florida Research and Education Center, USADemand for animal products is growing faster than for any other agricultural product. As a result, pressure for greater output from cultivated pastures is expected to increase. Assuming cultivated pasture area will decrease with land degradation, conversion to grain crops... -
Migratory Masked Shrikes, Lanius nubicus staging at the desert edge: phenology, and sex- and age-related differences in body mass
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Reuven Yosef --- International Birding and Research Centre in Eilat, Israel Piotr Tryjanowski --- Department of Avian Biology and Ecology, Poland W.R.J. DeanMigratory Masked Shrikes (Lanius nubicus) were mist-netted during the spring and autumn migrations at Eilat, Israel. Nearly four times more shrikes were trapped during spring than in autumn. This could be explained by either the species assorting to loop migration,... -
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 -
Severe neuropathy due to inhalant abuse in adolescents from Pretoria
Item type: Journal Article • Journal: South African Family Practice • Authors: Clara Maria Schutte --- Department of Neurology, South Africa Jayendra Naidoo --- Department of Neurology, South Africa Mandisa Kakaza --- Department of Neurology, South Africa Manesh Pillay --- Department of Neurology, South Africa Juliane Hiesgen --- Department of Neurology, South AfricaInhalation of volatile agents, or solvent abuse, is a dangerous pastime practised by many young adolescents in various parts of the world. Benzine, a distillate of petroleum, is a cheap and readily available solvent that is often inhaled or “sniffed”... -
Language mastery, narrative abilities and oral expression abilities in chemistry learning: Importance of mother-tongue and traditional narration
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Liliana Mammino --- Department of Chemistry, South AfricaThe importance of language and language mastery for science learning has been the object of extensive investigation in recent decades, leading to ample recognition. However, specific focus on the role of narrative abilities is still scarce. This work focuses on... -
Eupolystoma namibiensis n. sp. (Monogenea: Polystomatidae) parasitic in Poyntonophrynus hoeschi (Ahl, 1934) of Namibia
Item type: Journal Article • Journal: African Zoology • Authors: Louis H du Preez --- African Amphibian Conservation Research Group, Unit of Environmental Sciences and Management, Potchefstroom Campus, North-West University, South AfricaDescribed species of the polystomatid flatworm genus Eupolystoma are only known from Africa and India. A survey conducted in January 1994 in Namibia revealed a previously unknown species from the urinary bladder of Hoesch's pygmy toad Poyntonophrynus hoeschi. Toads were... -
Distribution of Contracaecum (Nematoda: Anisakidae) larvae in freshwater fish from the northern regions of South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Sareh Tavakol --- Department of Biodiversity, University of Limpopo, South Africa Willem J Smit --- Department of Biodiversity, University of Limpopo, South Africa Joseph R Sara --- Department of Biodiversity, University of Limpopo, South Africa Ali Halajian --- Department of Biodiversity, University of Limpopo, South Africa Wilmien J Luus-Powell --- Department of Biodiversity, University of Limpopo, South AfricaA total of 1 847 fishes (16 species) from 14 reservoirs in northern and north-eastern regions of South Africa were collected and examined for larval Contracaecum spp. between 2005 and 2013. This study, the first to examine several potential second... -
Opportunities and challenges for empirical strategy research in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ronald Klingebiel --- Frankfurt School of Finance and Management, Germany Christian Stadler --- Warwick Business School, UKThis editorial complements Michael Mol and Kamel Mellahi's commentary on promising research directions by taking a look at opportunities and pitfalls in empirical research in and about Africa. It highlights some interesting examples of data sources that carry the potential... -
Anaesthesia for a patient with B-thalassaemia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: I Giannakikou --- Department of Anaesthesia, Greece A Karra --- Department of Intensive Care Unit, GreeceΒ-Thalassaemia is a rare hereditary disease caused by partial or complete deficiency of β-haemoglobin chain synthesis. There is a lot of literature regarding anaesthetic management in other haemoglobinopathies (i.e. sickle cell disease), especially in the paediatric population, but there is... -
Diabetic patients served at a regional level hospital: what is their clinical picture?
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: S Pillay --- MBChB, FCP(SA), Specialist Physician, Edendale Hospital, Department of Internal Medicine, C Aldous --- PhD, Senior Lecturer, School of Clinical Medicine, F Mahomed --- MBChB, FCP(SA), FRCP(UK), CertEndocrinology, Specialist Physician/Endocrinologist, Department of Internal Medicine,Objectives: We describe the demographics, diabetic characteristics, diabetic control and complications in the diabetes service in Edendale Regional Hospital, Pietermaritzburg, in this study. Diabetes mellitus, together with its complications, is increasing at an alarming rate worldwide. Good glycaemic control translates... -
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, -
Through the eyes of the beholder: My view of the history of the SEMDSA
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Larry Distiller --- BSc, MBBCh, FCP(SA), FRCP, FACE, Specialist Physician/Endocrinologist, -
Incorporating stable isotopes into a multidisciplinary framework to improve data inference and their conservation and management application
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HM Christiansen --- Great Lakes Institute for Environmental Research, Canada AT Fisk --- Great Lakes Institute for Environmental Research, Canada NE Hussey --- Great Lakes Institute for Environmental Research, CanadaThrough its ability to address complex ecological questions and the possibility of analysing large sample sizes to understand population‑level processes, the use of stable isotope analysis (δ13C and δ15N) has grown rapidly in recent years. Importantly, it is now becoming... -
Pelagic shark fisheries of Indonesia's Eastern Indian Ocean Fisheries Management Region
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Fahmi --- Research Centre for Oceanography, Indonesian Institute of Sciences, Indonesia Dharmadi --- Research Centre for Fisheries Management and Conservation, Ministry of Marine Affairs and Fisheries, IndonesiaSharks are commonly caught in Indonesian waters both by target fisheries and as bycatch. Fishers targeting sharks mostly employ drift longlines, whereas tuna longlines and gillnets are the gear mostly responsible for shark bycatch. Our studies on shark fisheries have... -
The impact of the global economic crisis on HIV and AIDS programmes directed at women and children in Zambia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: John Serieux --- Department of Economics, Mwansa Njelesani --- Sexual and Reproductive Health and Rights (SRHR) at UNESCO, South Africa Abson Chompolola --- Department of Economics, Zambia Ardeshir Sepehri --- Department of Economics, Harminder Guliani --- University of Regina, CanadaThis investigation sought to ascertain the extent to which the global economic crisis of 2008–2009 affected the delivery of HIV/AIDS-related services directed at pregnant and lactating mothers, children living with HIV and children orphaned through HIV in Zambia. Using a... -
Resemiotising concerns from constituencies in the South African parliament
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Siebörger --- Department of English Language and Linguistics, South Africa Ralph Adendorff --- Department of English Language and Linguistics, South AfricaMembers of Parliament (MPs) in South Africa represent different constituencies across the country. In this article, we report on how MPs resemiotise concerns from their constituencies in spoken discourse in a parliamentary committee, and on the effectiveness with which this... -
Influences on life aspirations among adolescents in a low-income community in Cape Town, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gaironeesa Hendricks [cor1] Shazly Savahl --- Department of Psychology, South Africa Kulthum Mathews --- Department of Psychology, South Africa Claudia Raats --- Department of Psychology, South Africa Labeeqah Jaffer --- Department of Psychology, South Africa Arnold Matzdorff --- Department of Psychology, South Africa Bianca Dekel --- Department of Psychology, South Africa Christelle Larke --- Department of Psychology, South Africa Tapiwa Magodyo --- Department of Psychology, South Africa Megan van Gesselleen --- Department of Psychology, South Africa Athena Pedro --- Department of Psychology, South AfricaThe aim of this study was to determine the influences on adolescents’ aspirations from a low-income community in Cape Town. A sequential mixed method exploratory design was used following two distinct phases. The qualitative phase comprised focus group interviews with... -
Sleep duration and chronotype in adults in Côte d'Ivoire: influence of gender, religion and age
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Claudia Borchers --- Max Planck Institute of Evolutionary Anthropology, Germany Dabila Ouattara --- Wild Chimpanzee Foundation, Switzerland Christian Vollmer --- Institute of Psychology, Germany Christoph Randler --- Institute of Science, Geography and Technology, GermanyThis study investigated the sleep-wake rhythm and chronotype of people living in Côte d'Ivoire. We assessed sleep-wake behaviour in 556 adults (336 men, 220 women) between 25 and 54 years (mean: 38.63) by means of structured interviews. Data were analysed... -
Common mental disorders are not diagnosed commonly in community health centres
Item type: Journal Article • Journal: South African Family Practice • Authors: Tsepo Sechaba Motsohi --- Division of Family Medicine, South Africa AA Isaacs --- Faculty of Health Sciences, Division of Family Medicine, South Africa N Manga --- Faculty of Health Sciences, Division of Family Medicine, South Africa C Le Grange --- Faculty of Health Sciences, Division of Family Medicine, South Africa M Roelofse --- Faculty of Health Sciences, Division of Family Medicine, South Africa P Milligan --- Head Clinical Unit, Acute Services, South Africa DA Hellenberg --- Faculty of Health Sciences, Division of Family Medicine, South Africa AR Sayed --- Specialist Scientist and Biometrician, South AfricaBackground: Very limited published data exist on the spectrum of mental health disorders encountered at primary health care (PHC) facilities in South Africa. -
The impact of Ready-to-Use Supplementary Food (RUSF) in targeted supplementation of children with moderate acute malnutrition (MAM) in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Liana Steenkamp --- HIV & AIDS Research Unit, South Africa Ronette Lategan --- Department of Nutrition and Dietetics, Faculty of Health Sciences, South Africa Jacques Raubenheimer --- Department of Biostatistics, Faculty of Health Sciences, South AfricaObjective: To describe catch-up growth in children with moderate acute malnutrition (MAM) on targeted supplementation using Ready-to-Use Supplementary Food (RUSF). -
Afro-communitarian forgiveness and the concept of reconciliation
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Rianna Oelofsen --- Philosophy Department, South AfricaThe main aim of this paper is to investigate the role of forgiveness (specifically in the post-apartheid South African context) within the process of reconciliation as understood from what I call an ‘Afro-communitarian’ perspective. Forgiveness, as understood from within this... -
The Impact of Business Ethics Education on Attitudes Toward Corporate Ethics of BCom. Accounting Students at the University of Zululand
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: S Fourie --- Faculty of Commerce, Administration and Law, E Contogiannis --- Faculty of Commerce, Administration and Law,Corporate Ethics have been the focus of attention in recent years. This is predominantly due to the prevalence of corporate scandals and abundance of unethical behaviour portrayed by prominent individuals. The need for ethical leaders in business is undisputed, but... -
Women, Livestock Ownership and Markets: Bridging the Gender Gap in Eastern and Southern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Monique Salomon --- Tshintsha Amakhaya alliance, c/o Farmer Support Group, South Africa -
‘I have plans’. Scrutinising the meaning, production and sustaining of hope in safe sexual practices among young men in Khayelitsha, Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, Krishnavelli Nadasen --- Department of Anthropology and Sociology,This paper scrutinises hope from an anthropological perspective and in a South African setting. While public, theological and other discourses have attended to hope, anthropologists in South Africa have not done so and the paper aims to highlight it as... -
Title: between N!a†xam and tibi. A case study of tuberculosis and the Ju/'hoansi in the Tsumkwe region, Namibia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, Estelle Oosthuysen --- , NamibiaIn academic literature and the media, knowledge of the Ju/'hoansi San of Namibia is often either valorised or problematised. In this case study of tuberculosis in a small village in Tsumkwe district, which we call Dune and Low Dune, all... -
The liminality of kidney failure in South African state hospitals
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology,Experiences of patients attempting to gain access to dialysis in state health services in the Western Cape provide examples that illustrate the usefulness of Turner's work on liminality in relation to the South African healthcare system. The ritualised routines of... -
Leading while being led: developing the developer at a Catholic NGO in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Grant A. Fore --- STEM Education Research Institute (SERI), Indiana University-Purdue University, U.S.A.The paper uses ethnographic data about the religious ethics undergirding the discourse and practices of development agents at Catholic Welfare and Development (CWD), a faith-based NGO in Cape Town, South Africa. It explores how the dynamic interrelation between faith and... -
Book Reviews
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Oliver Human --- University of Amsterdam, Christian A. Williams --- Centre for Humanities Research, -
Productivity and cost of whole‑tree harvesting without debarking in a Eucalyptus nitens plantation in Tasmania, Australia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Martin Strandgard --- University of the Sunshine Coast, Australia Damian Walsh --- University of the Sunshine Coast, Australia Rick Mitchell --- University of the Sunshine Coast, AustraliaThere is increasing interest worldwide in using tree harvesting biomass as an energy source. Bark retained on logs is commonly used as an energy source, but is generally removed from eucalypt logs during harvest. In order to evaluate the potential... -
Modelling primary branch growth based on a multilevel nonlinear mixed‑effects model: a Pinus koraiensis plantation case study in north‑east China
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Lingbo Dong --- Department of Forest Management, College of Forestry, China Zhaogang Liu --- Department of Forest Management, College of Forestry, China Fengri Li --- Department of Forest Management, College of Forestry, China Lichun Jiang --- Department of Forest Management, College of Forestry, ChinaOn the basis of a multilevel nonlinear mixed‑effects model approach, branch diameter and length growth models were developed for a Pinus koraiensis plantation in north‑east China. The models developed were able to better capture the residual variation successfully by partitioning... -
Seasonal and genotypic variation of water-soluble polysaccharide content in leaves of Cyclocarya paliurus
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Xiangxiang Fu --- Co-Innovation Center for Sustainable Forestry in Southern China, China Xiaodong Zhou --- Co-Innovation Center for Sustainable Forestry in Southern China, China Bo Deng --- Co-Innovation Center for Sustainable Forestry in Southern China, China Xulan Shang --- Co-Innovation Center for Sustainable Forestry in Southern China, China Shengzuo Fang --- Co-Innovation Center for Sustainable Forestry in Southern China, ChinaCyclocarya paliurus (Batal) Iljinskaja is an important medicinal woody plant due to numerous bioactive natural products in its leaves. As an important bioactive natural product, water-soluble polysaccharides (WSP) in leaves of C. paliurus possess diverse biological activities, such as hypoglycemic,... -
Current conservation status of the Blue Swallow Hirundo atrocaerulea Sundevall 1850 in Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Steven W Evans --- SARCHI Chair on Biodiversity Value and Change, School of Mathematical and Natural Sciences, South Africa Ara Monadjem --- Department of Biological Sciences, South Africa Lizanne Roxburgh --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Andrew E McKechnie --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, Department of Zoology and Entomology, South Africa Ellizabeth M Baker --- Tanzanian Bird Atlas Project, United Republic of Tanzania Robert B Kizungu --- Organisation of Biodiversity Information and Conservation in Congo Kinshasa, Democratic Republic of Congo Ian T Little --- Endangered Wildlife Trust, South Africa Fadzai Matsvimbo --- BirdLife Zimbabwe, Zimbabwe Ronald K Mulwa --- National Museums of Kenya and Nature Kenya, Kenya Daniel Mwizabi --- Zambian Wildlife Authority, Zambia Dianah Nalwanga --- Nature Uganda, Uganda Kariuki Ndang'ang'a --- BirdLife International, Africa Partnership Secretariat, Kenya Leigh Combrink --- Endangered Wildlife Trust, South AfricaThe global Blue Swallow Hirundo atrocaerulea was classified as Vulnerable in 2010 on account of its small and rapidly declining population estimated at less than 1 500 pairs. We undertook this study to gain a better understanding of the current... -
A survey for the Critically Endangered Liben Lark Heteromirafra archeri in Somaliland, north-western Somalia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Michael SL Mills --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Callan Cohen --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Julian Francis --- Tolpuddle Manor, UK Claire N Spottiswoode --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South AfricaThe Critically Endangered Archer's Lark (now Liben Lark) Heteromirafra archeri was formerly considered to be endemic to north-western Somalia and known only from the Tog Wajaale Plain, where 18 specimens were collected between 1918 and 1922. Fifteen visits between 1970... -
A new subfossil bulbul (Aves: Passerines: Pycnonotidae) from Rodrigues Island, Mascarenes, south-western Indian Ocean
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Julian P Hume --- Bird Group, Department of Life Sciences, UKThe Hypsipetes bulbuls (Pycnonotidae) occur on Madagascar and oceanic islands throughout the Indian Ocean, as well as continental Asia. Endemic species are found on the Mascarene Islands of Mauritius and Réunion, but the genus was purportedly never reported from Rodrigues,... -
What's culture got to do with it? Examining job embeddedness and organizational commitment and turnover intentions in South Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ian O. Williamson --- Associate Dean, International Relations, Helen Macpherson Smith Chair in Leadership for Social Impact, Director of the Asia Pacific Social Impact Centre, Oscar Holmes --- Assistant Professor of Management, Rutgers,Using a longitudinal design this study examines the relationship between job embeddedness, organizational commitment and turnover intentions using a sample of South African professionals. Results show that job embeddedness had a positive relationship on organizational commitment and a negative relationship... -
Tutte polynomial of some multigraphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Julian A. Allagan --- Department of Mathematics, USA Eunice Mphako-Banda --- University of the Witwatersrand, RSAUsing two related parameters, ζ and γ, we extend the recursion for com- puting the Tutte polynomial of any graph to the computation of the Tutte polynomial of any multigraph. With this recursion, we found explicit formulae for several fami-... -
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, BotswanaCervical 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... -
Human papillomavirus-type distribution in South African women without cytological abnormalities: a peri-urban study
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: M C Van Aardt --- Head Gynaecological Oncology Unit, Steve Biko Academic Hospital, University of Pretoria, G Dreyer --- Head Gynaecological Oncology Unit, Steve Biko Academic Hospital, University of Pretoria, K L Richter --- Department of Medical Virology, P Becker --- Biostatistician, Biostatistics Unit, South African Medical Research Council, TygerbergObjectives: Knowledge of human papillomavirus (HPV) distribution in the general population is crucial for the development of new HPV vaccines and to provide a baseline from which to monitor the impact of current HPV vaccines in the future. HPV-type distribution... -
Guideline for the prevention and management of nosocomial infections in South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Feldman Charles Brink Adrian Dusé Adriano -
Multidrug-resistant (MDR) Gram-negative fermenters: “Our worst nightmare?”
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Adrian J. Brink --- Department of Clinical Microbiology, South Africa -
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 -
Revised guideline for the management of upper respiratory tract infections
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Adrian J Brink --- Department of Clinical Microbiology, South Africa Charles Feldman --- Division of Pulmonology, South Africa -
Knowledge of and attitude towards cervical cancer among female university students in South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: E Hoque --- Lecturer/Statistician, Mangosuthu University of Technology., M Hoque --- ,The objectives of this descriptive cross-sectional study were to assess the knowledge of the risk factors associated with, and detection methods of cervical cancer among female undergraduate students at Mangosuthu University of Technology. A total of 389 students were selected... -
The 3rd Joint FIDSSA Congress, 20–23 August 2009, Sun City, North West Province, South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Adrian Brink --- , -
What is the optimal CD4 count to start antiretrovirals in HIV-infected adults?
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: W D Venter Francois --- President, Southern African HIV Clinicians Society, and Senior Director, Reproductive Health and HIV Research Unit (RHRU) University of the Witwatersrand, -
Using lot quality assurance sampling methodology to evaluate the u Thukela District Child Survival Project of KwaZulu-Natal
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Julian D Pillay --- Department of Basic Medical Sciences, Faculty of Health Sciences, Stephen Knight --- Department of Public Health Medicine,Health services programmes and interventions require objective measures on coverage and quality to ensure that managers have the evidence to adopt and expand health interventions effectively and effciently. Over the past 15 years, the uThukela District Child Survival Project of... -
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... -
Schistosomiasis and water-related practices in school girls in rural KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: D E Thomassen Morgas --- Centre for Imported and Tropical Diseases, Department of Infectious Diseases Ullevaal, Norway J D Kvalsvig --- School of Family and Public Health Medicine, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, South Africa M Taylor --- School of Family and Public Health Medicine, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, South Africa S G Gundersen --- Research Unit, Sorlandet Hospital, HF Kristiansand, Norway, University of Agder, Norway E F Kjetland --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South AfricaThere is increasing evidence of an association between female genital Schistosoma haematobium infection and HIV. In KwaZulu-Natal, we aimed to explore girls' water contact practice and to determine whether a study exclusively on girls would be manageable and welcomed. Three... -
Childhood HIV: a learning programme for professionals
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Vivian Black -
Pansinusitis in an HIV-infected patient due to Scedosporium apiospermum (Pseudallescheria boydii complex)
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C Kenyon --- Division of Infectious Diseases and HIV Medicine, M Mendelson --- Division of Infectious Diseases and HIV Medicine, D Lubbe --- Division of Ear, Nose and Throat Surgery, B Khoury --- Brian Khoury, Department of Radiology Groote Schuur Hospital, Cape Town, H Vismer --- Hester Vismer, Medical Research Council, PROMEC Unit, R Hoffman --- Department of Microbiology,Pseudallescheria boydii is a very rare cause of sinusitis but an increasingly recognised infection among HIV-infected patients. Its correct identifcation is vital as voriconazole, which has good in vitro activity against the fungus, has important interactions with antiretroviral drugs. We... -
The emergence of carbapenem resistance in Enterobacteriaceae in south africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Jennifer Coetzee --- Department of Clinical Microbiology and Molecular Biology, Adrian Brink --- Department of Clinical Microbiology and Molecular Biology, -
Knowledge of, attitudes towards, and practices of contraception in high school pupils in Tswaing subdistrict, North West province
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: O. Onyensoh --- Family Physician, Department of Health, North West province, I. Govender --- Department of Family Medicine and Primary Health Care, J. Tumbo --- Department of Family Medicine and Primary Health Care,In South Africa, contraceptive use is low in adolescents in the sense that sexual maturation and initiation of sexual activities is taking place at a younger age. This is evident from the high levels of teenage pregnancy that constitute a... -
The benefits of using a community-engaged research approach to promote a healthy lifestyle in three Nigerian urban slums
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: O P Akinwale --- Nigerian Institute of Medical Research, Nigeria J O Oyefara --- Faculty of Social Sciences, University of Lagos, Nigeria P E Adejoh --- Faculty of Social Sciences, University of Lagos, Nigeria A A Adeneye --- Faculty of Basic Medical Sciences, Lagos State University College of Medicine, Nigeria A K Adeneye --- Nigerian Institute of Medical Research, Nigeria Z A Musa --- Nigerian Institute of Medical Research, Nigeria K S Oyedeji --- Nigerian Institute of Medical Research, Nigeria M A Sulyman --- Nigerian Institute of Medical Research, NigeriaSlums are a wide range of low-income settlements with poor living conditions. The quality of the dwellings varies from simple shacks to permanent structures, while access to water, electricity, sanitation and other basic services and infrastructure tends to be limited... -
A retrospective review of group B streptococcal infection in the Metro East area of the Western Cape province: 2010 to 2011
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: L Frigati --- Department of Paediatrics, Tygerberg Children’s Hospital, J L van der Merwe --- Department of Obstetrics and Gynaecology, Tygerberg Hospital, J Harvey --- Head Statistician, Centre for Statistical Application, H Rabie --- Department of Paediatrics, Tygerberg Children’s Hospital, G Theron --- Department of Obstetrics and Gynaecology, Tygerberg Hospital, M F Cotton --- Department of Paediatrics, Tygerberg Children’s Hospital,Effective strategies to prevent infant death rely on knowledge of prevalent pathogens. Recent publications have drawn attention to limited data on the contribution of group B streptococcal infection to neonatal and infant mortality in resource-restricted settings. The aim was to... -
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, NigeriaSchistosomiasis 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... -
Section D: Some Perspectives in Mammal Ecology
Item type: Journal Article • Journal: Zoologica Africana • Authors: Ian Linn --- Department of Zoology, England -
Development of Leptopelis Viridis Cinnamomeus (Bocage) with Notes on its Systematic Position
Item type: Journal Article • Journal: Zoologica Africana • Authors: Ian Linden --- Dept. of Biology, -
Behavioural Adaptions of the Isopod Tylos Granulatus Krauss
Item type: Journal Article • Journal: Zoologica Africana • Authors: Brian Kensley --- South African Museum,The importance of a postulated lunar-day rhythm and a semi-lunar month rhythm in controlling the behaviour of the isopod Tylos granulatus, is discussed. It is proposed that this rhythmicity contributes largely to the success of the species. Factors which could... -
The Osmoregulatory Ability of Three Grapsoid Crab Species in Relation to Their Penetration of an Estuarine System
Item type: Journal Article • Journal: Zoologica Africana • Authors: Gillian Boltt --- Department of Zoology, J. Hebg --- Department of Zoology,The osmoregulatory abilities of the grapsoid crabs Cyclograpsus punctata*, Sesarma catenata andSesarma eulimene were studied comparatively in an attempt to explain, at least in part, their distribution in estuaries. Both survival and haemorymph osmotic pressure were used as indices of... -
A New Species of Anthurid Isopod from the Cape
Item type: Journal Article • Journal: Zoologica Africana • Authors: Brian Kensley --- ,A new species of anthurid isopod from the west coast is described, and the generic definition of Haliophasma is revised. -
Panopea Glycymeris (Mollusca, Pelecypoda) in the South African Faunal Province
Item type: Journal Article • Journal: Zoologica Africana • Authors: Brian Kensley --- South African Museum, -
Diurnal Activity of the Four-Striped Mouse, Rhabdomys Pumilio
Item type: Journal Article • Journal: Zoologica Africana • Authors: Donald P. Christian --- The Museum, Michigan State University, East Lansing -
Lambrachaeus Ramifer Alcock, A Rare Spider Crab from the East Coast of Southern Africa (Decapoda, Brachyura Majidae)
Item type: Journal Article • Journal: Zoologica Africana • Authors: Brian Kensley --- South African Museum,Lambrachaeus ramifer Alcock, previously known only from a single record from the Andaman Islands, is recorded from a shallow reef off Zululand. The specimen, an ovigerous female, is described and figured. -
The Functional Anatomy of the Neck and Forelimbs of the Cape Golden Mole, Chrysochloris Asiatica (Lipotyphla: Chrysochloridae)
Item type: Journal Article • Journal: Zoologica Africana • Authors: Gillian M Puttick --- Zoology Department, Jennifer U M Jarvis --- Zoology Department,The anatomy of the neck and forelimb of Chrysochloris asiatica is described and illustrated. The sequence of events during digging and modifications for fossorial action are described. Modifications include the appearance of a third bone in the forearm; the shortening... -
A Laboratory Study of Caching in Desmodillus Auricularis
Item type: Journal Article • Journal: Zoologica Africana • Authors: Donald P Christian --- The Museum and Department of Zoology, John E Enders --- The Museum and Department of Zoology, Karl A Shump --- The Museum and Department of Zoology, -
The use of logistic regression in modelling the distributions of bird species in Swaziland
Item type: Journal Article • Journal: South African Journal of Zoology • Authors: V. Parker --- Avian Demography Unit, Department of Statistical Sciences, South AfricaThe method of logistic regression was used to model the observed geographical distribution patterns of bird species in Swaziland in relation to a set of environmental variables. Reporting rates derived from bird atlas data are used as an index of... -
Praomys degraaffi, a new species of Muridae (Mammalia) from central Africa
Item type: Journal Article • Journal: South African Journal of Zoology • Authors: Erik van der Straeten --- Departement Biologie, België Julian C. Kerbis Peterhans --- University College, Roosevelt University, USAA new Praomys species from Burundi, Rwanda and Uganda, Praomys degraaffi n. sp., is described in the P. jacksoni species-complex. It occurs at high elevations in montane forests of the Albertine Rift. The new species is compared with P. jacksoni... -
The use of blood transfusions in the obstetric unit of an academic hospital in South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Jayati Basu --- Specialist Obstetrician and Gynaecologist, Department of Obstetrics and Gynaecology Charlotte Maxeke Johannesburg Academic Hospital and University of the Witwatersrand, Leila Hartford --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Noziphiwo Nzama --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Chandni Dayal --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Bianca Naidoo --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Mabua Chuene --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Gina Itzikowitz --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Jonathan van Alphen-Stahl --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Mashegela Segooa --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Michelle Schehle --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital, Preshanthi Govender --- Graduate Entry Medical Programme (GEMP) III students group, Department of Obstetrics and Gynaecology, Charlotte Maxeke Johannesburg Academic Hospital,Transfusions with blood products form an essential part of obstetric practice. A retrospective record review of all mothers (26) who received blood transfusions over a period of one month in May 2010 was performed at the Charlotte Maxeke Johannesburg Academic... -
Relative merits of using purified proteins and natural foods in studies of wildlife nutrition: the nitrogen requirements of a rodent pollinator
Item type: Journal Article • Journal: African Zoology • Authors: Ian G. Van Tets --- Department of Zoology, South Africa Ken Hutchings --- Department of Zoology, South Africa Susan Nicolson --- Department of Zoology, South AfricaAethomys namaquensis is a 60 g murid rodent that is an important pollinator of several Protea species in South Africa. We compared the nitrogen requirements of this species on two different protein sources: pollen and casein. Pollen is an important... -
Geographical distribution and habitats of the freshwater snail Bulinus reticulatus and its susceptibility to Schistosoma haematobium miracidia under experimental conditions
Item type: Journal Article • Journal: African Zoology • Authors: Kenné N. de Kock [AN0001] Corrie T. Wolmarans --- School of Environmental Sciences and Development, Zoology, South Africa Hylton D. Strauss --- School of Environmental Sciences and Development, Zoology, South Africa Madeleine Killian --- School of Environmental Sciences and Development, Zoology, South Africa Desireé C. Maree --- School of Environmental Sciences and Development, Zoology, South AfricaA brief account is given of the geographical distribution and habitats of Bulinus reticulatus as reflected by the 278 samples currently on record in the database of the National Freshwater Snail Collection, Potchefstroom University. The susceptibility of field specimens and... -
Bird Migration: A General Survey
Item type: Journal Article • Journal: African Zoology • Authors: Adrian Craig --- Department of Zoology and Entomology, -
Molecular and bioacoustic divergence in Mantidactylus granulatus and M. zavona n.sp. (Anura: Mantellidae): bearings for the biogeography of northern Madagascar
Item type: Journal Article • Journal: African Zoology • Authors: Miguel Vences --- Institute for Biodiversity and Ecosystem Dynamics, Netherlands Franco Andreone --- Museo Regionale di Scienze Naturali, Sezione di Zoologia, Italy Frank Glaw --- Zoologische Staatssammlung, Germany Jasmin E. Randrianirina --- Parc Botanique et Zoologique de Tsimbazaza, MadagascarWe analysed the genetic and bioacoustic variability in Mantidactylus granulatus, a semi arboreal frog species endemic to the northern portion of Madagascar. Advertisement calls had a longer note duration in northeastern as compared to northwestern populations. Specimens from mid altitudes... -
Leaf biomechanics as a potential tool to predict feeding preferences of the geometric tortoise Psammobates geometricus
Item type: Journal Article • Journal: African Zoology • Authors: Ronald A. Balsamo --- Department of Biology, U.S.A Margaretha D. Hofmeyr --- Chelonian Biodiversity and Conservation, Department of Biodiversity and Conservation Biology, South Africa Brian T. Henen --- Chelonian Biodiversity and Conservation, Department of Biodiversity and Conservation Biology, South Africa Aaron M. Bauer --- Department of Biology, U.S.AFood and non food plant characteristics were studied for the geometric tortoise, Psammobates geometricus, to test the hypothesis that feeding preferences in tortoises may be influenced by the mechanical properties of plant leaves. Twelve focal feeding observations made between 8... -
Species richness, endemicity and distribution patterns of South African sea anemones (Cnidaria: Actiniaria & Corallimorpharia)
Item type: Journal Article • Journal: African Zoology • Authors: Fabian H. Acuña --- Departamento de Ciencias Marinas, Argentina Charles L. Griffiths --- Marine Biology Research Institute, South AfricaA revised and updated list of South African sea anemones is compiled and the distribution pattern and endemicity of each determined from museum and literature records. Forty nine valid species are recognized. Species richness appears fairly uniform around the coast,... -
Looking from a local lens: Inbound tour operators and sustainable tourism in Kenya
Item type: Journal Article • Journal: • Authors: Elena Cavagnaro --- Stenden Hotel Management School, Academy of International Hospitality Research, Stenden University of Applied Science, Leeuwarden, The Netherlands Simona Staffieri --- Italian National Institute of Statistics, Department of Social and Environmental Statistics, Rome, Italy Fiona Ngesa --- Kenya Tourist Board, Nairobi, KenyaFew empirical studies on sustainable tourism take into account the perspective of developing countries’ actors. This is even the case in debates about the need to adapt sustainability’s definitions to the context of developing countries. The present study aims at giving a... -
Consumer patronage and willingness-to-pay at different levels of restaurant attributes: A study from Kenya
Item type: Journal Article • Journal: • Authors: David Njite --- The Lester E. Kabacoff School of Hotel, Restaurant and Tourism Administration, University of New Orleans, New Orleans, Louisiana, USA Joyce Njoroge --- School of Accounting, Drake University, Des Moines, Iowa, USA Haragopal Parsa --- School of Accounting, Drake University, Des Moines, Iowa, USA Rahul Parsa --- Department of Supply Chain and Information Systems, College of Business, Iowa State University, Ames, Iowa, USA Jean-Pierre van der Rest --- Department of Business Studies, Institute of Tax Law and Economics, Leiden Law School, Leiden University, Leiden, The NetherlandsThis study investigates the effect of three key restaurant attributes – food quality, service quality and ambiance – on consumers’ (i) willingness-to-pay (WTP) and (ii) intentions to patronage (ITP) for limited service and upscale restaurants in Kenya. A full-profile 2 (types of... -
Optimisation of nitrogen and potassium for Aloe vera (L.) Burm.f. in a soilless culture system
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jamal-Ali Olfati --- Horticultural Department, Iran Mohammad Saadatian --- Department of General Science, Faculty of Education, Iraq Eshaq Moqbeli --- Horticultural Department, IranAloe vera (L.) Burm.f. is highly appreciated due to its short growth period and high economic value among all Aloe species, and is used in pharmaceuticals, folk medicine, healthcare, cosmetic products and food products. Hydroponic systems have the potential to... -
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 -
False Mildew on Pearl Millet and Other Hosts in Zimbabwe
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: E. Mtisi --- Plant Protection Institute, Zimbabwe W.A.J. de Milliano --- Plant Protection Institute, Zimbabwe -
The Potential of Short Duration Improved Fallow for Crop Productivity Enhancement in the Highlands of Western Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. Niang --- International Centre for Research in Agroforestry, Kenya S. Gathumbi --- International Centre for Research in Agroforestry, Kenya B. Amadalo --- International Centre for Research in Agroforestry, KenyaThe potential of short-duration improved fallow (6–12 months) with MPTs for crop production in the highlands of Western Kenya was investigated through a series of experiments comprising species screening, establishment methods and determination of optimum planting densities. In the first... -
Maize Yield Response to Green Manure Application from Selected Shrubs and Tree Species in Western Kenya: A Preliminary Assessment
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: A. Niang --- International Centre for Research in Agroforestry, B. Amadalo --- International Centre for Research in Agroforestry, S. Gathumbi --- International Centre for Research in Agroforestry, C. Obonyo --- International Centre for Research in Agroforestry,Three field experiments were carried out to test the response of maize grain yield to the application of green manure from five species of shrubs and one tree species in four sites in Western Kenya. The species tested were Senna... -
Factors influencing the choice of anaesthesia as a field of specialty in University of Ghana School of Medicine and Dentistry, Korle-Bu Teaching Hospital
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Mubarak Abdul-Rahman --- Department of Pathology, Ghana George Aryee --- Department of Anaesthesia, Ghana Raymond Essuman --- Department of Anaesthesia, Ghana Robert Djagbletey --- Department of Anaesthesia, Ghana Eugenia Lamptey --- Department of Anaesthesia, Ghana Christian Owoo --- Department of Anaesthesia, Ghana Frank Boni --- Department of Anaesthesia, GhanaBackground: Specialisation is perceived as essential for success, and affects the availability and distribution of medical personnel and the quality of service the health system is able to deliver. In Ghana, some areas of medical specialties have a relatively good... -
Ultrasound-guided neural blockade in Proteus syndrome
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Aidan C Kingwill --- Faculty of Health Sciences, Department of Anaesthesia, School of Medicine, South Africa Gillian Lamacraft --- Faculty of Health Sciences, Department of Anaesthesia, School of Medicine, South AfricaSummary: Proteus syndrome is a rare genetic disorder first described in 1979 and named after Proteus, a Greek demigod who was capable of changing his form to avoid capture. The incidence is < 1:1 000 000, but can be expected to be... -
Integrated harvesting for conventional log and energy wood assortments: a case study in a pine plantation in Western Australia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mohammad R Ghaffariyan --- Australian Forest Operations Research Alliance (AFORA), University of the Sunshine Coast, Australia Raffaele Spinelli --- CNR-IVALSA, Italy Natascia Magagnotti --- CNR-IVALSA, Italy Mark Brown --- Australian Forest Operations Research Alliance (AFORA), University of the Sunshine Coast, AustraliaBiomass or energy wood harvesting can be integrated with conventional log harvesting (saw log or pulpwood production) to allow more cost-effective energy wood supply. The efficiency of an integrated energy wood harvesting system was evaluated and compared with conventional log... -
Ecophysiology of Acacia species in wet–dry tropical plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Alieta Eyles --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Paul Drake --- Cooperative Research Centre for Forestry, Australia Le Thanh Quang --- Forest Science Sub-Institute of South Vietnam, Vietnam Pham Van Bon --- Forest Science Sub-Institute of South Vietnam, Vietnam Daniel Mendham --- CSIRO Ecosystems Sciences, Australia Don White --- CSIRO Ecosystems Sciences, Australia Kieu Tuan Dat --- Forest Science Sub-Institute of South Vietnam, Vietnam Pham The Dung --- Forest Science Sub-Institute of South Vietnam, Vietnam Chris Beadle --- Tasmanian Institute of Agriculture, University of Tasmania, AustraliaSelected tropical Acacia species are used extensively for short-rotation plantation forestry in many parts of Asia and, to a limited degree, in Australia. We explored leaf-level photosynthetic activity and leaf water potential (Ψleaf) of three field-grown Acacia tree species (aged... -
The influence of family characteristics on glycaemic control among adult patients with type 2 diabetes mellitus attending the general outpatient clinic, National Hospital, Abuja, Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: Bethrand Brian Odume --- Department of Family Medicine, Nigeria Onyebuchi Stephanie Ofoegbu --- Department of Family Medicine, Nigeria Elias Chike Aniwada --- Department of Community Medicine, Nigeria Emeka Franklin Okechukwu --- United States Agency for International Development, USAID, NigeriaBackground: There is an increasing epidemic of diabetes worldwide with many patients not achieving set treatment targets. Family interventions in diabetes patient management, a proven adjunct, have not been fully integrated to patient care. -
In Lieu of a Review of the Latest English Translation of Ideas I: A Reading of Husserl's Original Intent and its Relevance for Empirical Qualitative Psychology
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Ian Rory Owen --- Leeds and York Partnerships, United KingdomHusserl's phenomenology provides theory for empirical science and other practices in the form of transcendental philosophy after Kant. This phenomenology is a reflection on mental objects in relation to mental processes, some of which are shared in culture: a theoretical... -
Evolutionary retention of defensive lateral pedal glands in the smallest siphonariid limpet (Gastropoda: Pulmonata)
Item type: Journal Article • Journal: African Zoology • Authors: Shirley C Pinchuck --- Electron Microscope Unit, Rhodes University, South Africa Brian R Allanson --- Department of Zoology and Entomology, South Africa Alan N Hodgson --- Department of Zoology and Entomology, South AfricaDespite its cryptic habitat and habits, light and transmission electron microscopy has revealed that like many other siphonariids Siphonaria compressa, the smallest species of this genus, possesses lateral pedal glands. The pear-shaped glands (about 120 µm long×70 µm maximum diameter)... -
The communicative functions of post-2000 Shona popular songs: A typological analysis
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mickias Musiyiwa --- Department of African Languages & Literature, Zimbabwe Marianna W. Visser --- Department of African Languages, Faculty of Arts & Social Sciences, South AfricaThis article proposes a typology of Shona popular songs employing a systemic functional linguistics (SFL) informed genre theory, which distinguishes texts on the basis of their textual patterns and the meanings they intend to convey. The increasing and wide appropriation... -
Pauline Bredelli: South Africa's elusive first prima donna
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Christian Bester --- School of Music, Baylor University,South Africa's heritage of producing opera singers of international repute can arguably be traced back to Pauline Bredelli. Bredelli is viewed by many as South Africa's first prima donna of opera. Previous research provides some details about her life and... -
Critical types of krasnoselskii fixed point theorems in weak topologies
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Afif Ben Amar --- Department of Mathematics, Tunisia Tian Xiang --- Institute of Mathematical Sciences,In this note, by means of the technique of measures of weak noncom- pactness, we establish a generalized form of fixed point theorem for the sum of T+S in weak topology setups of a metrizable locally convex space, where S... -
Measuring and reporting on energy poverty: insights from West African countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Emmanuel W. Ramde --- Department of Mechanical Engineering, Ghana Patrick Nussbaumer --- United Nations Industrial Development Organization (UNIDO), Austria Morgan Bazilian --- United Nations Industrial Development Organization (UNIDO), AustriaA reliable and comprehensive energy information base is required to set targets, design policies and programmes, as well as to enable citizens to make informed choices. Adequate national capacity to track progress towards universal modern energy access represents an especially... -
In vitro biomass accumulation of calli and root enhancement of Leucas aspera (Willed) Linn. under stress conditions
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Masilamani Sri Devi --- Department of Biotechnology, India Krishnamoorthy Vinothini --- Department of Biotechnology, India Pandian Arjun --- Department of Crop Sciences, South Africa Sudharshan Sekar --- Department of Biotechnology and Food Technology, South Africa Vuyo Mavumengwana --- Department of Biotechnology and Food Technology, South AfricaLeucas aspera is a high value medicinal plant in India, Java, Mauritius and Philippines. The effects of plant growth regulators effects on in vitro callus biomass accumulation and root enhancement were assessed using leaf and stem explants. Leaf and stem... -
Innovation policies in the Mediterranean area: Towards a Mediterranean system of innovation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Massimiliano Ferrara --- Department of Law and Economics, Italy Roberto Mavilia --- CRIOS, Bocconi University, ItalyThe contribution of this paper has both theoretical and policy relevance. It is one of the first exploratory studies of the Mediterranean system of innovation built on the concept of innovation systems. The paper provides a brief literature review and... -
Yield Component Analysis in Dumpy Deli Palms (Elaeis Guineensis Jacq)
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: I. O. Obisesan --- Nigerian Institute for Oil Palm Research (NIFOR), Nigeria R. D. Parimoo --- Nigerian Institute for Oil Palm Research (NIFOR), Nigeria -
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 AfricaDrought 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,... -
Significant population of Egyptian Vulture Neophron percnopterus found in Morocco
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mohamed Amezian --- Department of Biology, Faculty of Sciences, Morocco Rachid El Khamlichi --- Group for Research and Protection of Birds in Morocco (GREPOM/BirdLife Morocco), regional section of Tangier-Tétouan, MoroccoThe Egyptian Vulture Neophron percnopterus population in Morocco has undergone a marked decline since the 1980s to the point of nearing local extinction in the twenty-first century. A field study of some possible sites for Egyptian Vultures was carried out... -
Is diet adaptability a reason for the persistence of African Crowned Eagles Stephanoaetus coronatus in altered habitats?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Brian Reeves --- Eastern Cape Parks and Tourism Agency, South Africa Andre F Boshoff --- Centre for African Conservation Ecology, Department of Zoology, South AfricaThe dietary response of African Crowned Eagles Stephanoaetus coronatus to habitat transformation was investigated. Habitat alteration around nests in the Eastern Cape, South Africa, was mapped and nests were assigned to two habitat classes. Prey remains were collected from around... -
Current distribution and population size of the Blue Swallow Hirundo atrocaerulea in the southern Tanzanian highlands
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Steven W Evans --- SARCHI Chair on Biodiversity Value and Change, School of Mathematical and Natural Sciences, South Africa Elizabeth M Baker --- Tanzanian Bird Atlas Project, Tanzania Neil E Baker --- Tanzanian Bird Atlas Project, Tanzania Dirk Cilliers --- Unit for Environmental Sciences and Management (Zoology), South AfricaTwo surveys of Blue Swallows were conducted in the southern Tanzanian highland grasslands in order to determine the habitat preferences and estimate the size of this subpopulation. During the 2008/09 and 2012 surveys, a total distance of 3 635 km was... -
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, ChinaThe 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... -
Diversity and identification of fungi associated with needles of Pinus radiata in Tasmania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Istiana Prihatini --- Tasmanian Institute of Agriculture, Australia Morag Glen --- Tasmanian Institute of Agriculture, Australia Tim J Wardlaw --- Forestry Tasmania, Hobart, Australia Caroline L Mohammed --- Tasmanian Institute of Agriculture, AustraliaNeedle fungi have been extensively studied in conifers but rarely in Pinus radiata. Previous studies of P. radiata have been based on fungal isolation and not direct PCR detection from needles. This research was a component of a study examining... -
Molecular detection and characterisation of mumps virus in cerebrospinal fluid in a Gauteng laboratory
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Marieke Brauer --- Faculty of Health Sciences, Department of Medical Virology, South Africa Marianne Wolfaardt --- Faculty of Health Sciences, Department of Medical Virology, South Africa Lynne M Webber --- Faculty of Health Sciences, Department of Medical Virology, South Africa Maureen B Taylor --- Faculty of Health Sciences, Department of Medical Virology, South AfricaThe study aimed to determine the presence of mumps virus (MuV) in cerebrospinal fluid (CSF) specimens and to genetically characterise detected MuV strains. A real-time reverse transcription-polymerase chain reaction (RT-PCR) was used to detect the MuV F gene, and characterisation... -
Reconsidering Foucault’s dialogue with Buddhism
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Adrian Konik --- Department of Journalism, Media and Philosophy, South AfricaAgainst the backdrop of various interpretations and criticisms of Michel Foucault’s engagement with Buddhism, the focus of this article falls on the specific type of Zen Buddhism which he studied during his 1978 trip to Japan, and the possible relationship... -
Meaning in Life
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Ian Jennings --- Basel School of Business, Switzerland -
Acute management of hyperlipaemic pancreatitis: a successful reduction in triglyceride levels with simultaneous insulin infusion and plasma exchange
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A Korb --- Specialist Physician in Private Practice, South Africa PH Sonnekus --- Specialist Physician in Private Practice, South Africa JD Botha --- Specialist Physician in Private Practice, South AfricaWe report on a case in which a combination of an insulin infusion and plasma exchange were successfully used in the acute management of hyperlipaemic pancreatitis. -
Spatial characterisation of the Benguela ecosystem for ecosystem-based management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa L Blamey --- Marine Research Institute, South Africa T Lamont --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa JG Field --- Marine Research Institute, South Africa G Bianchi --- Food and Agriculture Organization, Italy JA Huggett --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa L Hutchings --- Marine Research Institute, South Africa J Jackson-Veitch --- Marine Research Institute, South Africa A Jarre --- Marine Research Institute, South Africa C Lett --- Institut de Recherche pour le Développement [IRD], UMR MARBEC 248, France MR Lipiński --- Department of Ichthyology and Fisheries Science, South Africa SW Mafwila --- Department of Fisheries and Aquatic Sciences, Namibia MC Pfaff --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa T Samaai --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa LJ Shannon --- Marine Research Institute, South Africa Y-J Shin --- Marine Research Institute, South Africa CD van der Lingen --- Marine Research Institute, South Africa D Yemane --- Marine Research Institute, South AfricaThe three countries of the Benguela Current Large Marine Ecosystem (BCLME), namely Angola, Namibia and South Africa, have committed to implementing ecosystem-based management (EBM) including an ecosystem approach to fisheries (EAF) in the region, to put in practice the principles... -
Bioprocessing of jackfruit (Artocarpus heterophyllus L.) pulp into wine: Technology, proximate composition and sensory evaluation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sandeep K. Panda --- Department of Biotechnology and Food Technology, Faculty of Science, South Africa Sunil K. Behera --- Department of Metallurgy, Faculty of Engineering and the Built Environment, South Africa Umesh C. Sahu --- Department of Botany, India Ramesh C. Ray --- ICAR-Regional Centre of Central Tuber Crop Research Institute, India Eugenie Kayitesi --- Department of Biotechnology and Food Technology, Faculty of Science, South Africa A.F. Mulaba-Bafubiandi --- Department of Metallurgy, Faculty of Engineering and the Built Environment, South AfricaMajor wineries are confined to using grapes as substrate, as a result of which other fruits, especially in the tropical zone, remain underutilised. A wine, from jackfruit (Artocarpus heterophyllus L.) pulp, was prepared by fermenting with wine yeast (Saccharomyces cerevisiae)... -
Employees, sustainability and motivation: Increasing employee engagement by addressing sustainability and corporate social responsibility
Item type: Journal Article • Journal: • Authors: David Casey --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Sebastian Sieber --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsAn increasing number of academic studies indicate that we as humans are exploiting the planet earth to an extent that is no longer bearable. Put differently, we are actively destroying our very own basis of existence, especially considering the generations... -
Expression of adhesion molecule epithelial cadherin and matrix metalloproteinase-9 in squamous neoplasia of the uterine cervix
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Julian Crasta --- Department of Pathology, India Gayatri Ravikumar --- Department of Pathology, India Sharon Koorse --- Department of Pathology, India Premalatha Siddharta --- Department of Gynaecological Oncology, India Elizabeth Vallikad --- Department of Gynaecological Oncology, IndiaBackground: The objective of the study was to evaluate the expression of cell adhesion molecules [epithelial cadherin (E-cadherin)] and extracellular matrix protease [matrix metalloproteinase (MMP)-9] in preinvasive and invasive lesions of squamous neoplasia of the uterine cervix. -
Putting the squeeze on the sample covariance matrix for portfolio construction
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Brian Munro --- Cadiz Asset Management, The Terraces, South Africa David Bradfield --- Department of Statistical Sciences, South AfricaPortfolio construction plays a critical role in adding performance to a fund. Central to portfolio construction are the two primary inputs: the vector of forecast returns and the covariance matrix. Our focus is on the covariance matrix. With guidance from... -
Psychological skills and mindfulness training effects on the psychological wellbeing of undergraduate music students: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Barend JM Steyn --- Department of Sport and Leisure Studies, South Africa Margaretha H Steyn --- Department of Psychology, South Africa David JF Maree --- Department of Psychology, South Africa Clorinda Panebianco-Warrens --- Department of Music, South AfricaThis study explored the efficacy of psychological skills and mindfulness training intervention on the psychological wellbeing of undergraduate music students. Participants were undergraduate music students (n = 36) from the Department of Music at a South African university, 21 of... -
On The Diophantine equation Fn +F m =2 a
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jhon J. Bravo --- , , Colombia Florian Luca --- , , South AfricaIn this paper, we find all the solutions of the title Diophantine equation in positive integer variables (n, m, a), where F k is the kth term of the Fibonacci sequence. The proof of our main theorem uses lower... -
On Order Bounded Subsets of Locally Solid Riesz Spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Liang Hong --- , , USAIn a topological Riesz space there are two types of bounded subsets: order bounded subsets and topologically bounded subsets. It is natural to ask (1) whether an order bounded subset is topologically bounded and (2) whether a topologically bounded subset... -
‘Big is beautiful’ – an exploration with urban black community health workers in a South African township
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: T Puoane --- Chronic Diseases of Lifestyle Unit, Medical Research Council, J M Fourie --- Johns Hopkins University School of Nursing and Bloomberg School of Public Health, USA M Shapiro --- South African Christian Leadership Association (SACLA) (now known as Zanempilo Health Trust), L Rosling --- JCan Am Medical Centre, People’s Republic of China N C Tshaka --- , A Oelefse --- Nutritional Interventional Research Unit, -
Widening the horizons of ‘evidence’: Nutrition and disease in ecological perspective
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A J McMichael --- National Centre for Epidemiology and Population Health, Australian National University, Australia -
Women are still the key in agriculture and food security in Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ruth Oniang’o --- Member of Parliament, Kenya, Founder and Chair of Board of Trustees, Rural Outreach Program, Kenya -
Can the high prevalence of micronutrient deficiencies, stunting and overweight in children at ages 1 and 3 years in the Central Region of Limpopo province be explained by diet?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ramoteme Mamabolo --- School of Physiology, Nutrition and Consumer Science, Nelia Steyn --- Chronic Diseases of Lifestyle Unit, Marianne Alberts --- Medical Sciences Programme,Objective. To assess whether the high prevalence of stunting and overweight accompanied by serum deficiencies of iron, folate and vitamin B12 in children at ages 1 and 3 years, can be explained by their diet. -
The effect of maternal glucose metabolism, iron, vitamin B12 and folate status on pregnancy outcomes
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ramoteme Mamabolo --- Medical Sciences Department, Marianne Alberts --- Medical Sciences Department, Nelia Steyn --- Chronic Diseases of Lifestyle Unit, Naomi Levitt --- Department of Medicine,Objective. To evaluate the effect and consequences of certain maternal factors (nutritional, sociodemographic and glucose metabolism) on pregnancy outcome of women recruited during the third trimester. -
Effect of traditional beer consumption on the iron status of a rural South African population
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Solomon Simon Ramphai Choma --- Department of Medical Science, Limpopo Marianne Alberts --- Department of Medical Science, Limpopo Petter Urdal --- Clinical Chemistry Unit, Norway -
Will fortification of staple foods make a difference to the dietary intake of South African children?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Np Steyn --- Chief specialist scientist and acting director of the Chronic Diseases of Lifestyle Unit, J. Nel --- Senior lecturer and statistician at Department of Logistics, D. Labadarios --- Professor of Nutrition, Division Human Nutrition,Objectives: To evaluate the estimated dietary intake of children at population level who consume fortified staple foods. -
How can we measure the ‘HIV/AIDS effect’ on household food security? Piloting an experiential indicator in Nkandla, KwaZulu-Natal
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sa Kaschula --- Rhodes University, Arina Prins --- Dietitian, Günter Blobel --- Rockefeller University, C. Isaacson --- Emeritus Professor of Pathology, -
Computer-based learning for the enhancement of breastfeeding training
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Lm Du Plessis --- Division of Human Nutrition, South Africa D. Labadarios --- Knowledge Systems, Tygerberg T. Singh --- Christian Medical College, India D. Marais --- Division of Human Nutrition, South AfricaA great need exists for ongoing breastfeeding training. Students of today relate well to computers in the learning environment. In this study, computer-based learning (CBL) was explored in the context of breastfeeding training for undergraduate Dietetic students. -
Michelangelo, the Sistine Chapel and the “secret” of cancer cachexia
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Laviano --- Department of Clinical Medicine, ItalyThe clinical journey of chronic diseases, including cancer, renal failure and chronic obstructive pulmonary disease, is frequently characterised by the progressive deterioration of nutritional status, leading to increased morbidity and mortality, and impinges upon quality of life. Disease-associated malnutrition is... -
Editorial
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Jh Downs --- Diet, Hosp Dip Diet, BSc Diet Hons Principal Dietitian, -
Lipid emulsions in parenteral nutrition: does one size fits all?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Laviano --- Department of Clinical Medicine, F. Rossi Fanelli --- Department of Clinical Medicine,Dietary lipids significantly contribute to preserve the efficiency of human metabolism and restore it during disease. Therefore, in the absence of absolute contraindications, it would not appear reasonable to exclude lipid emulsions when prescribing parenteral nutrition (PN). The metabolic role... -
How well do dietitians market themselves in South Africa?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: René Smalberger --- Private Practising Dietitian, Anne Till --- Anne Till and Associates, Gauteng -
Nutrition management of a trauma patient with pneumatosis intestinalis
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: K. Roberts --- Dietitian, -
Nutritional management of a critically injured patient
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: F Van Schalkwyk --- Clinical Dietitian, -
Striving for excellence: investigating the practical aspects of dietetic practice
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: B. Harmse --- Dietitian (Private Practice), I. Retief --- Dietitian (Private Practice),Dietetics is a constantly evolving scientific field, and challenges for the dietitian are not restricted to private practice, but rather span across all sectors of the profession, and are an opportunity for personal and professional growth. The need for evidence-based... -
Sandel on enhancement: A response to Van Niekerk
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Brian Penrose --- Department of Philosophy, South AfricaMichael Sandel has criticised recent developments in, and towards, the biomedical enhancement of human beings. His view is criticised by Anton A. van Niekerk in a recent issue of this journal. Van Niekerk takes Sandel to task for rejecting enhancement... -
Hooded Vulture Necrosyrtes monachus and African White-backed Vulture Gyps africanus nesting at the Olifants River Private Nature Reserve, Limpopo province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ara Monadjem --- Department of Biological Sciences, Swaziland Kerri Wolter --- VulPro NPC, South Africa Walter Neser --- VulPro NPC, South Africa Keith Bildstein --- Acopian Center for Conservation Learning, USABasic ecological information is still lacking for many species of African vultures. The Hooded Vulture Necrosyrtes monachus is known as a rare breeding resident in north-eastern South Africa. This study set out to monitor the nests of Hooded Vultures and,... -
Status of the population of Karamoja Apalis Apalis karamojae in north-eastern Uganda
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Dianah W Nalwanga --- NatureUganda, Uganda Michael Opige --- NatureUganda, Uganda Roger Q Skeen --- NatureUganda, UgandaThe distribution of the Karamoja Apalis Apalis karamojae, an East African endemic, has been sparsely documented in Uganda. In October 2011, a survey of the species was carried out near Iriiri in north-eastern Uganda. The main aim was to find... -
Choice in HIV testing: the acceptability and anticipated use of a self-administered at-home oral HIV test among South Africans
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Elizabeth A Kelvin --- City University New York Graduate School of Public Health and Health Policy, City University of New York, USA Sonia Cheruvillil --- City University New York Graduate School of Public Health and Health Policy, City University of New York, USA Stephanie Christian --- City University New York Graduate School of Public Health and Health Policy, City University of New York, USA Joanne E Mantell --- Division of Gender, Health and Sexuality, HIV Center for Clinical and Behavioral Studies, New York State Psychiatric Institute and Department of Psychiatry, USA Cecilia Milford --- MatCH Research (Maternal, Adolescent and Child Health Research), Department of Obstetrics and Gynaecology, South Africa Letitia Rambally-Greener --- MatCH Research (Maternal, Adolescent and Child Health Research), Department of Obstetrics and Gynaecology, South Africa Nzwakie Mosery --- MatCH Research (Maternal, Adolescent and Child Health Research), Department of Obstetrics and Gynaecology, South Africa Ross Greener --- MatCH Research (Maternal, Adolescent and Child Health Research), Department of Obstetrics and Gynaecology, South Africa Jennifer A Smit --- MatCH Research (Maternal, Adolescent and Child Health Research), Department of Obstetrics and Gynaecology, South AfricaCombination HIV prevention is being widely promoted by funders. This strategy aims to offer HIV prevention choices that can be selected and combined to decrease HIV risk in ways that fit with each individual’s situation. Treatment as prevention and pre-exposure... -
On the Riesz representation theorem and integral operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mangatiana A. Robdera --- Department of Mathematics, BotswanaWe present a Riesz representation theorem in the setting of extended integration theory as introduced in [6]. The result is used to obtain boundedness theorems for integral operators in the more general setting of spaces of vector valued extended integrable... -
African Smart Cities Strategies for Agenda 2063
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mira Slavova --- GIBS, University of Pretoria, South Africa Ekene Okwechime --- Glasgow Caledonian University, United KingdomBy synthesizing urbanization challenges and current trends in Africa, this dialogue piece captures the broader transformative processes taking place on the continent. We develop a vision of the African cities of the future and show the alignment of key aspects... -
The nutritional management of short bowel syndrome in a very low-birthweight neonate
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Lize Rossouw --- Chief Dietician, Elizabeth van der Merwe [cor1] -
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, -
Screening for gestational diabetes: examining a breakfast meal test
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: C Marais --- Department of Obstetrics and Gynaecology, South Africa L van Wyk --- Dietitian, South Africa M Conradie --- Endocrine Division, Department of Medicine, South Africa D Hall --- Department of Obstetrics and Gynaecology, South AfricaObjective: This study was performed to analyse the carbohydrate quantity of the non-standardised breakfast meal test consumed as part of a screening test for gestational diabetes. -
Specialist physician-led public sector health services in rural KwaZulu-Natal: positive signs
Item type: Journal Article • Journal: South African Family Practice • Authors: Poobalan Naidoo --- Boehringer-Ingelheim, South Africa Diana Pillay --- Department of Internal Medicine, South Africa Selvarajah Saman --- Department of Internal Medicine, South AfricaMedical practice in public sector rural areas in South Africa has many challenges. This paper demonstrates the benefits of having specialist led medical services in rural medical facilities. -
Influence of prey abundance and abiotic factors on the long-term home-range and movement dynamics of spotted grunter Pomadasys commersonnii in an intermittently open estuary
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BA Maree --- Department of Ichthyology and Fisheries Science, South Africa PD Cowley --- Department of Ichthyology and Fisheries Science, South Africa TF Næsje --- South African Institute for Aquatic Biodiversity, South Africa A-R Childs --- Department of Ichthyology and Fisheries Science, South Africa AI Terörde --- Arcus Consulting, South Africa EB Thorstad --- Norwegian Institute for Nature Research, NorwayLong-term home-range and movement dynamics of spotted grunter Pomadasys commersonnii and the distribution of their dominant prey, the sandprawn Callichirus kraussi, were investigated in the intermittently open East Kleinemonde Estuary, South Africa. In addition, the effects of fish length, diel... -
Diversity and distribution of seagrasses in the Union of the Comoros
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CNS Poonian --- Community Centred Conservation (C3), UK K Tuharska --- C3 Madagascar and Indian Ocean Islands Programme, Madagascar MD Hauzer --- C3 Madagascar and Indian Ocean Islands Programme, MadagascarThis study represents the first in situ assessment of seagrasses in the Union of the Comoros. The presence of the following 10 species (ranked in order of abundance) was confirmed: Thalassia hemprichii, Thalassodendron ciliatum, Syringodium isoetifolium, Halodule wrightii, Cymodocea rotundata,... -
Epigraph of operator functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohsen Kian --- Department of Mathematics, Faculty of Basic Sciences, IranIt is known that a real function f is convex if and only if the set E(f) = {(x, y) ∈ ℝ × ℝ; f (x) ≤ y}, the epigraph of f is a convex set in ℝ2. We state an extension... -
Sorghum production systems and constraints, and coping strategies under drought-prone agro-ecologies of Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Beyene A Amelework --- African Centre for Crop Improvement, South Africa Hussein A Shimelis --- African Centre for Crop Improvement, South Africa Pangirayi Tongoona --- West African Centre for Crop Improvement, College of Basic and Applied Sciences, Ghana Fentahun Mengistu --- Ethiopian Institute of Agricultural Research, Ethiopia Mark D Laing --- African Centre for Crop Improvement, South Africa Dawit Getnet Ayele --- School of Mathematics, Statistics and Computer Science, South AfricaSorghum is one of the most important cereal crops worldwide after wheat, rice, maize and barley. Examining the present socio-economic conditions of sorghum-producing farmers in different agro-ecologies in Ethiopia is of importance for the design of improvement strategies. The objectives... -
Subfossil diatoms from Hann Park pond, Dakar, Senegal: floristic inventory and palaeoenvironmental reconstruction
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Badiane --- Département de Géologie, Faculté des Sciences et Techniques, E Sow --- Département de Géologie, Faculté des Sciences et Techniques, CAK Fofana --- Département de Géologie, Faculté des Sciences et Techniques, C Aw --- Département de Géologie, Faculté des Sciences et Techniques,Diatoms in a 100 cm-long core from a pond in Hann Forest Park, western Senegal, were studied with the aim of reconstituting this interdune depression’s history, particularly the human influence, during the last century. Sixty-three species and varieties of diatoms... -
A qualitative study of migrant-related stressors, psychosocial outcomes and HIV risk behaviour among truck drivers in Zambia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Lynn Murphy Michalopoulos --- School of Social Work, USA Nomagugu Ncube --- International Organization for Migration, Zambia Simona J. Simona --- Department of Social Development Studies, Zambia Brian Kansankala --- International Organization for Migration, Zambia Emmanuel Sinkala --- International Organization for Migration, Zambia Jasmin Raidoo --- School of Social Work, USATruck drivers are part of mobile populations which have been noted as a key population at risk of HIV in Zambia. This study was aimed at: (1) determining potentially traumatic events (PTEs), labour migrant-related stressors, psychosocial problems and HIV risk... -
Clinical correlates of suicidality among individuals with HIV infection and AIDS disease in Mbarara, Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Godfrey Zari Rukundo --- Department of Psychiatry, Uganda Eugene Kinyanda --- Department of Psychiatry, Uganda Brian Mishara --- Centre for Research and Intervention on Suicide and Euthanasia and Psychology Department, CanadaThe association between suicidality and HIV/AIDS has been demonstrated for three decades, but little is know about risk factors that can help understand this association and help identify who is most at risk. Few research studies have been conducted in... -
Church representatives’ perspectives on masculinities in the context of HIV: the case of the Ecumenical HIV and AIDS Initiative in Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Hendrew G Lusey --- World Council of Churches, The Ecumenical HIV and AIDS Initiative in Africa, Democratic Republic of Congo Monica Christianson --- Department of Nursing, Sweden Miguel San Sebastian --- Division of Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Sweden Kerstin E Edin --- Department of Nursing, SwedenDespite a growing body of literature related to church leaders challenging dominant norms of masculinities that may enable the spread of HIV, research on masculinity issues among African church representatives who are policy makers is scarce. The objectives of this... -
Morbidity and nutrition status of rural drug-naïve Kenyan women living with HIV
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Charlotte G Neumann --- David Geffen School of Medicine, USA Winstone Nyandiko --- USAID – Academic Model Providing Access to Healthcare (AMPATH) Partnership, Kenya Abraham Siika --- USAID – Academic Model Providing Access to Healthcare (AMPATH) Partnership, Kenya Natalie Drorbaugh --- Jonathan and Karin Fielding School of Public Health, USA Goleen Samari --- Jonathan and Karin Fielding School of Public Health, USA Grace Ettyang --- School of Public Health, College of Health Sciences, Kenya Judith A Ernst --- Indiana University School of Health & Rehabilitation Sciences, USAThis paper describes morbidity in a group of HIV-positive drug-naïve rural women in western Kenya. A total of 226 drug-naïve HIV-positive women were evaluated for baseline morbidity, immune function, and anthropometry before a food-based nutrition intervention. Kenyan nurses visited women... -
Etmopterus alphus n. sp.: a new lanternshark (Squaliformes: Etmopteridae) from the south-western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DA Ebert --- Pacific Shark Research Center, USA N Straube --- Bavarian State Collection of Zoology, Germany RW Leslie --- Branch: Fisheries Management, South Africa S Weigmann --- University of Hamburg, GermanyA new species of lanternshark, Etmopterus alphus (Squaliformes: Etmopteridae), is described from the south-western Indian Ocean. The new species resembles other members of the ‘Etmopterus lucifer’ clade in having linear rows of dermal denticles and most closely resembles E. molleri... -
Protection of marine birds and turtles at St Brandon’s Rock, Indian Ocean, requires conservation of the entire atoll
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SW Evans --- Research Unit: Environmental Sciences and Management, South Africa N Cole --- Durrell Wildlife Conservation Trust, Les Augrès Manor, Channel Islands H Kylin --- Research Unit: Environmental Sciences and Management, South Africa NS Choong Kwet Yive --- Department of Chemistry, V Tatayah --- Mauritian Wildlife Foundation, Mauritius J Merven --- Raphael Fishing Co. Ltd, Mauritius H Bouwman --- Research Unit: Environmental Sciences and Management, South AfricaA survey of seabirds and turtles at St Brandon’s Rock, 400 km north of Mauritius, was undertaken in 2010. We estimated that 1 084 191 seabirds comprising seven breeding species and excluding non-breeders were present at the archipelago and we... -
Entrepreneurial Intentions: A Cultural Perspective
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ian K. Alexander --- Department of Food and Resource Economics, Denmark Benson Honig --- McMaster University, DeGroote School of Business, CanadaThe theory of planned behaviour is widely used to measure entrepreneurial intentions. Thus, we investigate the possible moderating role of indigenous ethnic culture on the attitude-intention, subjective norm-intention and perceived behavioural control-intention relationships. In support of the theory of planned... -
Prevention of mother-to-child transmission (PMTCT) implementation in rural community health centres in Mpumalanga province, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- HIV/AIDS/STIs and TB (HAST) Research Programme, South Africa Guillermo Prado --- Center for Prevention Implementation Methodology (CePIM) for Drug Abuse and Sexual Risk Behavior, USA Viviana Horigian --- Florida Node Alliance of the National Drug Abuse Treatment Clinical Trials Network, USA Stephen Weiss --- Department of Psychiatry and Behavioral Sciences, USA Ryan Cook --- Department of Psychiatry and Behavioral Sciences, USA Sibusiso Sifunda --- HIV/AIDS/STIs and TB (HAST) Research Programme, South Africa Deborah Jones --- Department of Psychiatry and Behavioral Sciences, USAThis study explores organisational and individual provider influences on prevention of mother-to-child transmission (PMTCT) implementation at 12 community health centres (CHCs) in a rural South African setting. Clinic staff members (N = 103; females = 86%, nurse managers = 9.7%,... -
Birds and biogeography of Mount Mecula in Mozambique’s Niassa National Reserve
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Claire N Spottiswoode --- Department of Zoology, UK Lincoln DC Fishpool --- BirdLife International, UK Julian L Bayliss --- Department of Zoology, UKThe montane forests of northern Mozambique’s isolated massifs are inhabited by numerous range-restricted and threatened bird species, but until recently were extremely little-known. We report on a first avifaunal survey of the isolated montane habitats of Mt Mecula (1 442... -
Alarming decline and range reduction of the highly threatened Great Bustard Otis tarda in Morocco
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Juan Carlos Alonso --- Department of Evolutionary Ecology, Spain Carlos Palacín --- Department of Evolutionary Ecology, Spain Alejandro Onrubia --- Fundación MIGRES, Spain Rachid Aboulouafae --- SPCDRN/DREFLCD du Rif, Haut Commissariat aux Eaux et Forêts et à la Lutte Contre la Désertification (HCEFLCD), Morocco Mohamed Amezian --- GREPOM Unité régionale Tanger-Tétouan, Morocco Abdelaziz El Idrissi Essougrati --- GREPOM Unité régionale de Rabat, Morocco Rachid El Khamlichi --- GREPOM Unité régionale Tanger-Tétouan, Morocco Mohamed Noaman --- Service de la Conservation de la Flore et de la Faune Sauvage, MoroccoA Great Bustard Otis tarda survey carried out in spring 2015 in Morocco confirmed the decline of this highly endangered population. Bustards were only seen at two of the seven leks occupied ten years ago. The total number of birds... -
Parrots of Africa, Madagascar and the Mascarene Islands
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa -
Gordon Lindsay Maclean (1937–2008)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa -
Dispensing of vitamin products by retail pharmacies in South Africa: Implications for dietitians
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ilse Truter --- Department of Pharmacy, South Africa Liana Steenkamp --- HIV & AIDS Research Unit, Nelson Mandela Metropolitan University, South AfricaObjective: The objective of this study was to analyse the dispensing patterns of vitamins (Anatomical Therapeutic Chemical (ATC) group A11) over a one-year period in a group of community pharmacies in South Africa. -
IPO market cycles and expansion curse: Evidence from Chinese IPO market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yonghong Jin --- Department of Finance, School of Business, China Jianbang Guo --- Department of Finance, School of Business, China Xiaozhou Zhou --- Department of Finance, School of Business, China Sai-Ping Li --- Institute of Physics, Academia Sinica, TaiwanThere are two theories on the relationship between primary and secondary markets for securities. The first states that the expansion of IPO financing leads to a decline in stock prices, i.e. an expansion curse effect. The other states that the... -
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. ChinaOzeki 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... -
Modelling photovoltaic modules by a numerical method and artificial neural networks
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Zahra Meziani --- Department of Electronics, Faculty of Technology, Algeria Zohir Dibi --- Department of Electronics, Faculty of Technology, AlgeriaThis paper proposes modelling approaches for photovoltaic (PV) modules with a fast and simple numerical method of modelling, the Newton–Raphson method, as the first step. This method has several electric circuit models. We selected and tested the two most convincing... -
Effectiveness and efficiency of national systems of innovation: A comparative analysis of Ghana and Kenya
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Frank L. Bartels --- Innov-8 Policy Advisory Services Ltd, Austria Ritin Koria --- Innov-8 Policy Advisory Services Ltd, Austria Liliana Andriano --- Department of Sociology, United KingdomThis paper presents a comparative analysis of the determinants of the effectiveness and efficiency of the Ghana National System of Innovation (GNSI) and the Kenya National System of Innovation (KNSI) for crafting evidence-based policy. Two regression analyses are performed respectively... -
Validation of an efficient visual method for estimating leaf area index in clonal Eucalyptus plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rodrigo Hakamada --- Forest Resources Graduate Program, Brazil Carmeni Giunti Neto --- Fibria, Brazil Cristiane CZ de Lemos --- International Paper do Brasil, Brazil Sérgio R Silva --- National Wheat Research Center, Brazilian Agricultural Research Corporation (Embrapa), Brazil Marina SG Otto --- Department of Plant Physiology and Biochemistry, Brazil Kevin B Hall --- Department of Forestry and Environmental Resources, USA José L Stape --- Suzano Company, BrazilLeaf area index (LAI) is a key ecophysiological parameter in forest stands because it characterises the interface between atmospheric processes and plant physiology. Several indirect methods for estimating LAI have been developed. However, these methods have limitations that can affect... -
Impact of fuelwood quality and quantity on the energy use of rural households in the Omusati Region, north-central Namibia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Feliciana N Hainduwa --- Department of Forest and Wood Science, South Africa Cori Ham --- Department of Forest and Wood Science, South Africa Martina Meincken --- Department of Forest and Wood Science, South AfricaThe relation between fuelwood use and fuelwood quality and quantity was studied in two northern Namibian rural communities with different levels of fuelwood availability. Household surveys were conducted and fuelwood quality was assessed through laboratory studies. The study found differences... -
The relationship between HIV and AIDS and water scarcity in Nyamakate resettlements land, north-central Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alexio Mbereko --- University of KwaZulu-Natal, South Africa Dianne Scott --- University of KwaZulu-Natal, South Africa Moses John Chimbari --- University of KwaZulu-Natal, South AfricaHIV and AIDS and water variability have been studied separately, yet, they impact on rural households simultaneously in an interactive manner. The study provide narratives on various realities from a study in the Nyamakate community that illustrates the dialectical relationship... -
Development of an innovative eco-friendly rice puffing machine for modernizing a traditional cottage industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Manoj KR. Bhattacharyya --- RuTAG-EI (Rural Technology Action Group – Eastern India) IIT (Indian Institute of Technology), India Manjishtha Bhattacharyya --- Department of Zoology, IndiaTraditional enterprises are economically less viable although they impact the environment less adversely. Modern industries that have replaced traditional skills for mass manufacture of the same products are capital intensive and more polluting. A midway is essential that can upgrade... -
The number of stocks required for effective portfolio diversification: the South African case
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: David Bradfield --- Department of Statistical Sciences, South Africa Brian Munro --- Multi Asset Department, Cadiz Asset Management, South AfricaThis article considers several insights surrounding the number of stocks needed in portfolios in South Africa to achieve effective risk reduction. The majority of studies in the literature use equally-weighted portfolio construction schemes and conclude that at most 20 stocks... -
Bioaccumulation of heavy metals in two morphotypes of African large barb Labeobarbus intermedius (Osteichthyes: Cyprinidae) in Lake Hawassa, Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: S Sorsa --- Department of Biology, College of Natural and Computational Sciences, Ethiopia A Gezahagn --- Ethiopian Rift Valley Lakes Basin Authority, Ethiopia E Dadebo --- Department of Biology, College of Natural and Computational Sciences, EthiopiaWater and muscle tissue samples from two morphotypes of the African large barb Labeobarbus intermedius collected from three sites in Lake Hawassa in 2012–2013 were analysed for eight heavy metals, including Cd, Co, Cr, Cu, Mn, Ni, Pb and Zn... -
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 AfricaMammalian 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... -
The New Game Rancher
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ian McDonald --- Department of Wildlife Management and Game Ranging, South Africa -
Practical Techniques for Habitat and Wildlife Management
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Brian Reilly --- Department of Nature Conservation, South Africa -
Book Reviews
Item type: Journal Article • Journal: South African Journal of Zoology • Authors: M.J. Smale --- Port Elizabeth Museum, Marilyn L. Hurwitz --- Department of General Physiology, School of Dentistry, G.B. Dennill --- Plant Protection Research Institute, M.R. Perrin --- Department of Zoology and Entomology, G.H. Findlay --- Medical Research Council, Sevid N. Mashego --- Department of Zoology and Biology, A.J. Reinecke --- Department of Zoology, Brian C. Wilmot --- Albany Museum, -
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 AfricaThe 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... -
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, -
Potential of Adelaide, Cradock and Middelburg, South Africa, for out-of-season onion production using different planting materials and planting dates
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Marina Jordaan --- Eastern Cape Department of Rural Development and Agrarian Reform, Horticultural Research, South Africa Gesine M Coetzer --- Department of Soil, Crop and Climate Sciences, South Africa James Allemann --- Department of Soil, Crop and Climate Sciences, South AfricaOut-of-season onion production is used to produce onions for the early market (April to September) when onion prices peak. No information with regard to this production method is available for the Eastern Cape. Field experiments were therefore conducted in Adelaide,... -
Key values of Chinese consumers buying sustainable goods: the case of Green Food in Fuzhou
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jan Arend Schulp --- Stenden University of Applied Sciences, The Netherlands Elena Cavagnaro --- Stenden University of Applied Sciences, The Netherlands Hanqing Lin --- Fujian Communication Technology College, ChinaThis research identifies the key individual values guiding the choice of Chinese customers for Green Food. The work builds on literature on sustainable consumption and the role of values in explaining consumers' buying behaviour. A questionnaire on values and buying... -
Imagine staying in a Shanghai hotel bedroom in 2050?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Tan Li Yu Rebecca --- Victoria Management School, New Zealand Ian Yeoman --- Victoria Management School, New ZealandWill the future hotels of Shanghai emphasise a world of contemporary design, sustainability and technological innovations in order to deal with the growing pains of pollution, competition of urban land and decreasing availability of clean water, which will impact on... -
Game consumption and attitudes to hunting in the Netherlands
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jan A. Schulp --- School of International Hospitality Management (IHM), Stenden University of Applied Sciences, The Netherlands Fabian Pettinga --- Stenden University of Applied Sciences, The Netherlands Pepijn Meester --- Stenden University of Applied Sciences, The NetherlandsIn the Netherlands, per capita game consumption is low, but during autumn and Christmas, many consumers eat game, once or twice. Restaurants supply a big share of this game. Anti-hunting activism is a potential threat for the supply of game... -
Scientific research in hospitality studies in Brazil: challenges to finding a theoretical framework
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sênia Bastos --- School of Business and Hospitality, University of Anhembi Morumbi, Brazil Mirian Rejowski --- School of Business and Hospitality, University of Anhembi Morumbi, BrazilThis paper seeks to present the systématisation of information in hospitality studies, as generated by an analysis of 227 dissertations submitted to the Master's Programme in Hospitality Studies at the University of Anhembi Morumbi, as well as 18 doctoral dissertations... -
Looking from a local lens: Inbound tour operators and sustainable tourism in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Elena Cavagnaro --- Stenden Hotel Management School, Academy of International Hospitality Research, Stenden University of Applied Science, The Netherlands Simona Staffieri --- Italian National Institute of Statistics, Italy Fiona Ngesa --- Kenya Tourist Board, KenyaFew empirical studies on sustainable tourism take into account the perspective of developing countries' actors. This is even the case in debates about the need to adapt sustainability's definitions to the context of developing countries. The present study aims at... -
Employees, sustainability and motivation: Increasing employee engagement by addressing sustainability and corporate social responsibility
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: David Casey --- Stenden University of Applied Sciences, The Netherlands Sebastian Sieber --- Stenden University of Applied Sciences, The NetherlandsAn increasing number of academic studies indicate that we as humans are exploiting the planet earth to an extent that is no longer bearable. Put differently, we are actively destroying our very own basis of existence, especially considering the generations... -
A tale of three cities: Insight into the impacts of holiday rentals in France
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Conrad Lashley --- Hospitality Studies, Academy of International Hospitality Research, Stenden Hotel Management School, The Netherlands Niki Christian Nutsch --- Tourism and Hospitality Research Consultancy, United KingdomThis paper reports on the impact of vacation rentals on three destinations in France – Paris, Côte d’Azur and the Haute-Savoie. The vacation rental market in France involves 9.4 million guests with an annual value of €4 359 million. Approximately... -
Fun, animal welfare or community development? Understanding young tourists’ preferences for a wildlife tourism package
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Elena Cavagnaro --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Simona Staffieri --- Italian National Institute of Statistics, Italy Tamara Huisman --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsThis paper explores the impact of young travellers’ value orientations on their choice for a wildlife tourism package. On the basis of existing literature, four different packages were designed: one mirroring the traditional offer of wildlife tourism as a hedonic... -
Hotel rate parity in the focus: Is there a need for change in the relationship between hotels in Berlin and their wholesale partners?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Bastian Rashek --- School of Hospitality Management, The Netherlands Radu Mihailescu --- School of Hospitality Management, The NetherlandsRecent developments in revenue management at hotels in Berlin have brought a lot of challenges in upholding rate parity, particularly in the wholesale segment. Little research has been done on this topic, especially with regard to the advantages and disadvantages... -
An index of spring diet in the common flat lizard, Platysaurus intermedius wilhelmi
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Ian W. Murray --- , , South AfricaFlat lizards of the genus Platysaurus are primarily insectivorous, but some species are omnivorous, eating significant amounts of plant material. The common flat lizard, P. intermedius, is thought to forage on arthropods, flowers, leaves and fruit. However, this assertion is... -
Patients’ knowledge and perception of anaesthesia and the anaesthetist at a tertiary health care facility in Ghana
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Robert Djagbletey --- Department of Anaesthesia, Ghana George Aryee --- Department of Anaesthesia, Ghana Raymond Essuman --- Department of Anaesthesia, Ghana Vincent Ganu --- Department of Internal Medicine, Ghana Ebenezer O Darkwa --- Department of Anaesthesia, Ghana Christian Owoo --- Department of Anaesthesia, Ghana Francis Ahiaku --- Department of Anaesthesia, Ghana Alfred Yawson --- Department of Community Health, GhanaBackground: Anaesthesia has always been misconstrued as a ‘behind the scenes’ specialty. Despite advancements in anaesthesia, there is inadequate public knowledge regarding the specialty, the scope of the functions of anaesthetists, and the pivotal role anaesthetists play in the healthcare... -
Differences in nitrogen cycling and soil mineralisation between a eucalypt plantation and a mixed eucalypt and Acacia mangium plantation on a sandy tropical soil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Sogni Viviane Tchichelle --- Centre de Recherche sur la Durabilité et la Productivité des Plantations Industrielles, Republic of the Congo Daniel Epron --- Centre de Recherche sur la Durabilité et la Productivité des Plantations Industrielles, Republic of the Congo Fidèle Mialoundama --- Université Marien NGouabi, Republic of the Congo Lydie Stella Koutika --- Centre de Recherche sur la Durabilité et la Productivité des Plantations Industrielles, Republic of the Congo Jean-Michel Harmand --- CIRAD, France Jean-Pierre Bouillet --- CIRAD, France Louis Mareschal --- Centre de Recherche sur la Durabilité et la Productivité des Plantations Industrielles, Republic of the CongoSustainable wood production requires appropriate management of commercial forest plantations. Establishment of industrial eucalypt plantations on poor sandy soils leads to a high loss of nutrients including nitrogen (N) after wood harvesting. An ecological intensification of eucalypt plantations was tested... -
Comparison of soil properties under tropical Acacia hybrid plantation and shifting cultivation land use in northern Vietnam
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Trieu Thai Hung --- Tasmanian Institute of Agriculture and School of Land and Food, Australia Richard Doyle --- Tasmanian Institute of Agriculture and School of Land and Food, Australia Alieta Eyles --- Tasmanian Institute of Agriculture and School of Land and Food, Australia Caroline Mohammed --- Tasmanian Institute of Agriculture and School of Land and Food, AustraliaDespite the common use of Acacia species in Vietnam, few studies have examined changes to total soil nitrogen (TN) and total soil carbon (TC) following the planting of Acacia mangium × Acacia auriculiformis (Acacia hybrid) plantations (AH) on formerly eroded... -
Writing (as) Africans — French Fiction Between Empathy and Orientalism
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Oana Panaïté --- Department of French and Italian, United StatesThis article examines the impact colonial ideology and discursive practices have on French writing about Africa. I begin by examining the constitution and reiteration of a series of defining scenes such as the momentous departure for the African colonies and... -
Locations, Epistemologies and Pedagogies
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: James Ogude --- Centre for the Advancement of Scholarship, South Africa Eileen Julien --- Institute for Advanced Study, Comparative Literature, French and Italian, African Studies, USA -
Just responses to problems associated with the brain drain: Identity, community, and obligation in an unjust world
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Gillian Brock --- Philosophy, New ZealandIn this essay, which forms part of a symposium on the brain drain, I respond to the arguments of several critics. I defend my proposals concerning how to address problems associated with high levels of skilled migration, especially in the... -
Guest editors' introduction: Justice, the brain drain, and Africa: Introduction to a symposium on Debating Brain Drain
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Gillian Brock --- Philosophy, University of Auckland, New Zealand Michael Blake --- Philosophy, Public Policy, and Governance, USA -
Dominated operators, absolutely summing operators and the strict topology
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Marian Nowak --- Faculty of Mathematics, Computer Science and Econometrics, Poland Juliusz Stochmal --- Faculty of Mathematics, Computer Science and Econometrics, PolandLet X be a completely regular Hausdorff space, E and F be Banach spaces. Let Cb(X, E) be the space of all E-valued bounded continuous functions on X, equipped with the strict topology β. We study dominated and absolutely summing... -
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 ChinaMalaria 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... -
Season, sex and age variation in the haematology and body condition of geometric tortoises Psammobates geometricus
Item type: Journal Article • Journal: African Zoology • Authors: Margaretha D Hofmeyr --- Chelonian Biodiversity and Conservation – Southern Africa, Biodiversity and Conservation Biology Department, South Africa Brian T Henen --- Chelonian Biodiversity and Conservation – Southern Africa, Biodiversity and Conservation Biology Department, South Africa Shasheen Walton --- Chelonian Biodiversity and Conservation – Southern Africa, Biodiversity and Conservation Biology Department, South AfricaBody condition and haematological indices provide powerful information when assessing wildlife health. Reference intervals for these indices can facilitate wildlife management, and would benefit initiatives to save the Critically Endangered geometric tortoise (Psammobates geometricus). We collected data from 126 geometric... -
Seasonal population dynamics and energy consumption by waterbirds in a small temperate estuary
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jeffrey W Hean --- Department of Zoology and Entomology, South Africa Adrian JFK Craig --- Department of Zoology and Entomology, South Africa Nicole B Richoux --- Department of Zoology and Entomology, South AfricaSimple measures of population dynamics and energy consumption can provide baseline information on the role of consumers in food webs, particularly for cryptic or highly-mobile species of waterbirds. We provide estimates of the seasonal population dynamics and energy consumption of... -
Migration flyway of the Mediterranean breeding Lesser Crested Tern Thalasseus bengalensis emigratus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdulmaula Hamza --- School of Marine and Environmental Sciences, Malaysia Nicola Baccetti --- Istituto Superiore per la Protezione e la Ricerca Ambientale, Italy Joe Sultana --- BirdLife Malta, Malta Jaber Yahia --- Zoology Department, Faculty of Science, Libya Marco Zantello --- Istituto Superiore per la Protezione e la Ricerca Ambientale, Italy Adriano de Faveri --- Istituto Superiore per la Protezione e la Ricerca Ambientale, Italy Nick Cutts --- Institute of Estuarine and Coastal Studies, UK John Borg --- BirdLife Malta, Malta Hichem Azafzaf --- Regional Activity Centre for Specially Protected Areas, Tunisia Pierre Defos du Rau --- Office National de la Chasse et de la Faune Sauvage, France Esam Bourass --- Nature Conservation Department, Libya Khaled Etayeb --- Zoology Department, Faculty of Sciences, Libya Michael Elliott --- Institute of Estuarine and Coastal Studies, UKThe Lesser Crested Tern Thalasseus bengalensis emigratus breeding population in the Mediterranean is found exclusively in Libya, on the two coastal islands of Gara and Elba and one wetland on the mainland coast at Benghazi. In order to improve knowledge... -
Gill Memorial Medal Address 2014 Reviewing the Red Bishop: the bird that introduced me to ornithology
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa -
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, USAHealthcare 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... -
Optimization of copper nanoparticle biosynthesis process using aqueous extract of Andrographis paniculata
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Supratim Biswas --- Mineral Processing and Technology Research Centre, Department of Metallurgy Faculty of Engineering & The Built Environment, South Africa Suparna Chakraborty --- School of Materials Science and Nanotechnology, India Antoine F. Mulaba-Bafubiandi --- Mineral Processing and Technology Research Centre, Department of Metallurgy Faculty of Engineering & The Built Environment, South AfricaThe competency of aqueous extract of Andrographis paniculata (kalmegh) to reduce copper nitrate for the biosynthesis of copper nanoparticle (CuNPs) was investigated. The experiments were set up according to the design of experiment technique and the results were analyzed for... -
National collective identity in transitional societies: Salience and relations to life satisfaction for youth in South Africa, Albania, Bulgaria, the Czech Republic, Kosovo and Romania
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Radosveta Dimitrova --- Stockholm University, Sweden Pasquale Musso --- University of Palermo, Italy Luzelle Naudé --- University of the Free State, South Africa Skerdi Zahaj --- University of Tirana, Albania Iva Polackova Solcova --- The Czech Academy of Sciences, the Czech Republic Delia Stefenel --- Lucian Blaga University of Sibiu, Romania Fitim Uka --- Private Bearer of Higher Education “Qeap Heimerer”, Kosovo Venzislav Jordanov --- University of World and National Economy (UWNE), Bulgaria Evgeni Jordanov --- Ivan Rilski University, Bulgaria Peter Tavel --- Palacky University, the Czech RepublicIn this study we investigated the salience of the construct of national collective identity and its associations with life satisfaction among adolescents living in transitional societies characterised by relevant change in the last decades. Participants were 1 066 adolescents (M... -
Combating Corruption with Care: Developing Ethical Leaders in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Paresh Mishra --- Indiana University–Purdue University, USA Saneta Maiko --- Indiana University Health, USA -
Total domination in digraphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Guoliang Hao --- College of Science, P.R. ChinaA vertex subset S of a digraph D is called a dominating set of D if every vertex not in S is adjacent from at least one vertex in S. A dominating set S of D is called a total... -
On certain character sums
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ganglian Ren --- College of Mathematics and Information Science, P.R. China Dingding He --- School of Mathematics, P.R. China Tianping Zhang --- School of Mathematics and Information Science, P.R. ChinaLet q ≥ 2 be an integer, χ be a non-principal character mod q, A = A(q) ≤ q, B = B(q) ≤ q, and H = H(q) ≤ q. In this paper, we shall use the estimates for Kloosterman... -
Combining Ability and Molecular Genetic Distances in Tropical Maize Lines for Grain Yield and Agronomic Traits
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Lilian Gichuru --- Kenya Agricultural and Livestock Research Organization, Kenya John Derera --- African Centre for Crop Improvement, South Africa Pangirayi Tongoona --- African Centre for Crop Improvement, South Africa Mwimali Murenga --- Kenya Agricultural and Livestock Research Organization, KenyaAscertaining the relationship of genetic diversity and combining ability would aid the design of a breeding strategy for maize hybrids. Twelve tropical maize inbreds were crossed in a half-diallel to study gene action for yield and other traits and also... -
Moringa (Moringa oleifera) leaf extracts inhibit spore germination of Alternaria solani, causal agent of early blight disease of tomato (Solanum lycopersicum)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Culver Mvumi --- Department of Plant Production and Soil Science, South Africa Elizabeth Ngadze --- Department of Crop Science, Zimbabwe Diana Marais --- Department of Plant Production and Soil Science, South Africa Elsa S du Toit --- Department of Plant Production and Soil Science, South Africa Brighton M Mvumi --- Department of Soil Science and Agricultural Engineering, ZimbabweAlternaria solani is highly infective and can sporulate on tomato at 13.2 × 106 spores mL−1. The fungicidal effect of Moringa oleifera leaf chloroform and aqueous extracts (MLCE and MLAE, respectively) was investigated in vitro to determine the inhibitory effect... -
Exploring the relationship between victims and witnesses of aggression and anger expression in Thai adolescents
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Nualnong Wongtongkam --- School of Biomedical Sciences, Australia Paul Russell Ward --- School of Health Sciences, Faculty of Medicine, Nursing and Health Sciences, Australia Andrew Day --- Australian Aboriginal and Torres Strait Islander Centre, Australia Anthony Harold Winefield --- School of Psychology, Social Work and Social Policy, AustraliaObjective: Young people who are victims of, or witnesses to, aggression are at increased risk of developing a psychological disorder and behaving aggressively themselves. The aim of this study was to report the prevalence of exposure to aggression in a... -
Defoliation management affects morphogenetic and structural characteristics of mixed pastures of brachiaria grass and forage peanut
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Juliana C Pereira --- Department of Animal Science, Brazil Fernanda K Gomes --- Department of Animal Science, Brazil Michael DBL Oliveira --- Department of Animal Science, Brazil Marcio AS Lara --- Department of Animal Science, Brazil Thiago F Bernardes --- Department of Animal Science, Brazil Daniel R Casagrande --- Department of Animal Science, BrazilA sound understanding of the effects of defoliation management in a grass–legume pasture is key in balancing populations between species. The aim of this study was to quantify the morphogenetic and structural characteristics and forage production of brachiaria grass and... -
Conserving Africa’s Mega-diversity in the Anthropocene: the Hluhluwe-iMfolozi Park Story
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Brian W van Wilgen --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa -
A note on non-monogenity of number fields arised from sextic trinomials
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Anuj Jakhar --- Indian Institute of Technology (IIT), India Sumandeep Kaur --- Panjab University, IndiaLet K = Q (θ) be an algebraic number field with θ a root of an irreducible polynomial f(x) = x 6 + axm + b belonging to ℤ[x] and 1 ≤ m ≤ 5. Let OK be the... -
Cyclic Brunn-Minkowski inequalities for p-affine surface area
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Chang-Jian Zhao --- Department of Mathematics, ChinaIn 2010, Werner and Ye extended the definition for mixed p-affine surface area to all real numbers p. Following this, we establish some isoperimetric inequalities for the general mixed p-affine surface area. The results in special cases yield some of... -
A note on lower bounds for the total domination number of digraphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Guoliang Hao --- College of Science, P.R. China Xiaodan Chen --- College of Mathematics and Information Science, P.R. ChinaA vertex subset S of a digraph D is called a dominating set of D if every vertex not in S is adjacent from at least one vertex in S. A dominating set S of D is called a total... -
Glutamine and its use in selected oncology settings
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Reinette Tydeman-Edwards --- Chief Dietician, South AfricaThis review summarises the latest evidence for the use of glutamine (GLN) in oncology taking cognisance of current systematic reviews and available guidelines. Various studies in adults suggest that GLN supplementation suppresses tumour growth, by restoring the function of natural... -
Marxist ideology and revolution in Adéníyì Àkàngbé’s Ayégún
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Hezekiah Olúfémi Adéọṣun --- Department of Linguistics and Nigerian Languages, NigeriaBad leadership, with its attendant consequence of bad governance, has been the major impediment to the development of Nigeria. This problem has, therefore, been a serious concern to most literary scholars in recent times. This paper is an examination of... -
Gender and meaning in Igbo romantic pet names
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Bibian Anyanwu --- Department of English, Nigeria Anthony C. Oha --- Language Unit, NigeriaMeaning in names is a cultural matter. Igbo names are mostly symbolic or metaphoric in meaning. Romantic pet names, by their nature, have a gender bias in most cultures of the world, as also in the Igbo language and culture,... -
On reading about Lola Fine’s night on the town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Graeme Reid --- Lesbian, Gay, Bisexual and Transgender Rights Programme, USAThis is a commentary on Lindy-Lee Prince’s photographic essay about gender and drag featuring Cape Town performance artist Lola Fine. -
The tardigrade fauna of Tunisia, with an integrative description of Bryodelphax maculatus sp. nov. (Heterotardigrada: Echiniscidae)
Item type: Journal Article • Journal: African Zoology • Authors: Piotr Gąsiorek --- Institute of Zoology and Biomedical Research, Jagiellonian University, Poland Daniel Stec --- Institute of Zoology and Biomedical Research, Jagiellonian University, Poland Witold Morek --- Institute of Zoology and Biomedical Research, Jagiellonian University, Poland Jamila Marnissi --- Department of Biological Sciences, Faculty of Science, Tunisia Łukasz Michalczyk --- Institute of Zoology and Biomedical Research, Jagiellonian University, PolandThe current knowledge of the diversity and distribution of tardigrade species in northern Africa is scarce and far from satisfactory. In this paper we review old and provide new faunistic records for various regions of Tunisia. Among the newly recorded... -
Estuarine and coastal connectivity of an estuarine-dependent fishery species, Pomadasys commersonnii (Haemulidae)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MH Dames --- Department of Ichthyology and Fisheries Science, South Africa PD Cowley --- South African Institute for Aquatic Biodiversity, South Africa A-R Childs --- Department of Ichthyology and Fisheries Science, South Africa RH Bennett --- South African Institute for Aquatic Biodiversity, South Africa EB Thorstad --- Norwegian Institute for Nature Research, Norway TF Næsje --- Norwegian Institute for Nature Research, NorwayUnderstanding the level of connectivity between estuarine and coastal waters is essential for appropriate management of estuarine-associated taxa. Most studies have focused on the role of a single estuary, while limited research exists on the importance of multiple estuaries to... -
Removal (and attempted removal) of material from a Hooded Vulture Necrosyrtes monachus nest by a starling and a Hooded Vulture
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Lindy J Thompson --- School of Life Sciences, South Africa John P Davies --- Lawson’s Birding, Wildlife and Custom Safaris, South Africa Keith L Bildstein --- Acopian Centre for Conservation Learning, Hawk Mountain Sanctuary, USA Colleen T Downs --- School of Life Sciences, South AfricaRelatively little is documented about nest material theft in vultures. We used camera traps to monitor Hooded Vulture Necrosyrtes monachus nests for a year. We report camera trap photographs of a starling Lamprotornis sp. removing what appeared to be dung... -
Visitors to nests of Hooded Vultures Necrosyrtes monachus in northeastern South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Lindy J Thompson --- School of Life Sciences, South Africa John P Davies --- Lawson’s Birding, Wildlife and Custom Safaris, South Africa Maja Gudehus --- Selati Private Game Reserve, South Africa André J Botha --- Endangered Wildlife Trust, South Africa Keith L Bildstein --- Acopian Centre for Conservation Learning, Hawk Mountain Sanctuary, USA Campbell Murn --- Hawk Conservancy Trust, UK Colleen T Downs --- School of Life Sciences, South AfricaHooded Vultures Necrosyrtes monachus are critically endangered but little is known of their year-round use of nests or whether other species usurp Hooded Vulture nest sites. We investigated visitation rates by Hooded Vultures and other species (including potential nest predators... -
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, NamibiaAcross 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... -
The dimensionality of disclosure of HIV status amongst post-partum women in Cape Town, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jo Hunter-Adams --- Health Economics Unit, Public Health and Family Medicine, South Africa Allison Zerbe --- ICAP, USA Tamsin Philips --- Centre for Infectious Diseases Epidemiology & Research, Public Health and Family Medicine, South Africa Zanele Rini --- Centre for Infectious Diseases Epidemiology & Research, Public Health and Family Medicine, South Africa Landon Myer --- Centre for Infectious Diseases Epidemiology & Research, Public Health and Family Medicine, South Africa Greg Petro --- Department of Obstetrics & Gynaecology, South Africa Elaine Abrams --- ICAP, Mailman School of Public Health and College of Physicians and Surgeons, USADisclosure of HIV status to sexual partners and others has been presented as positive health behaviour and is widely encouraged by antiretroviral treatment (ART) programmes, providers and policies. However, disclosure is also highly contextual and its positive effects are not... -
Reticence in disclosure of HIV infection and reasons for bereavement: impact on perinatally infected adolescents’ mental health and understanding of HIV treatment and prevention in Johannesburg, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nataly Woollett --- Wits Reproductive Health and HIV Institute, South Africa Vivian Black --- Clinical Microbiology and Infectious Diseases, Faculty of Health Sciences, South Africa Lucie Cluver --- Centre for Evidence-Based Intervention, Department of Social Policy and Intervention, UK Heena Brahmbhatt --- Department of Population, Reproductive and Family Health, Bloomberg School of Public Health, USASurvival rates of perinatally infected HIV-positive adolescents (PIA) are increasing in sub-Saharan Africa. There is a gap in understanding how disclosure and bereavement have an impact on PIA beliefs and understanding of their HIV infection and its management. In-depth interviews... -
Improvement of spatial modelling of crop suitability using a new digital soil map of Tanzania
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Kristin Piikki --- International Center for Tropical Agriculture (CIAT), Kenya Leigh Winowiecki --- World Agroforestry Centre (ICRAF), Kenya Tor-Gunnar Vågen --- World Agroforestry Centre (ICRAF), Kenya Julian Ramirez-Villegas --- International Center for Tropical Agriculture (CIAT), Colombia Mats Söderström --- International Center for Tropical Agriculture (CIAT), KenyaClimate change is projected to have widespread impacts on the climate suitability and geographical distribution of agricultural crops. Simulations were conducted on the suitability of common beans (Phaseolus vulgaris L.) in Tanzania under progressive climate change, taking into account a... -
Productivity of non-heading Chinese cabbage (Brassica rapa subsp. chinensis) under different agronomic management factors
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Innocent Maseko --- University of South Africa, South Africa Yacob G Beletse --- Agricultural Research Council–Vegetable and Ornamental Plant Institute, South Africa Noluyolo Nogemane --- University of South Africa, South Africa Christian P du Plooy --- Agricultural Research Council–Vegetable and Ornamental Plant Institute, South Africa Tatenda R Musimwa --- Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Tafadzwanashe Mabhaudhi --- Crop Science, School of Agricultural, Earth and Environmental Sciences, South AfricaProductivity of non-heading Chinese cabbage (Brassica rapa L. subsp. chinensis) was evaluated at Roodeplaat over two winter seasons (2012 and 2013). Agronomic factors considered were plant density, nitrogen level, irrigation frequency and planting date. Irrigating thrice or once a week... -
Mixed-method approaches to studying innovation networks in developing countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Christian Omobhude --- Institute of Management of Technology, Taiwan Shih-Hsin Chen --- Institute of Management of Technology, TaiwanExisting literature maintains that innovation networks would enhance the development of firms and industry. However, what remains less clear is the methodologies applied in each context and what sort of barriers occur during data collection. Through reviewing the methodologies adopted... -
Incidence and pattern of tuberculosis treatment success rates in different levels of the human development index: a global perspective
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Salman Khazaei --- Department of Epidemiology, Iran Shahab Rezaeian --- Research Center for Environmental Determinants of Health (RCEDH), Iran Vali Baigi --- Department of Epidemiology and Biostatistics, Iran Mohammad Saatchi --- Department of Epidemiology and Biostatistics, Iran Leila Molaeipoor --- Department of Epidemiology, Iran Zaher Khazaei --- Social Determinants of Health Research Center, Iran Somayeh Khazaei --- Faculty of Paramedical Science, Department of Operating Room, Iran Owais Raza --- Department of Epidemiology and Biostatistics, IranBackground: Tuberculosis (TB) treatment success rate remains a public health challenge in many developed and developing countries. The correlation between the incidence and pattern of TB and the Human Development Index (HDI) has not been globally determined. This study aimed... -
Experiences of shame by race and culture: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Claude-Hélène Mayer --- Lehrstuhl für Sprachgebrauch und Therapeutische Kommunikation, Germany Rian Viviers --- Department of Industrial and Organisational Psychology, South AfricaThis study explored experiences of shame in the context of racial and cultural belonging. Participants were a multiracial purposive sample of 11 South Africans (five females and six males, four white, two coloured, two Indian and three black Africans; in... -
On the simultaneous Pell equations x2 − (4m2 − 1)y2 = y2 − pz2 = 1
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Tingting Wang --- College of Science, P.R.China Yingzhao Jiang --- College of Science, P.R.ChinaLet m be a positive integer, and let p be an odd prime. By using certain properties of Pell and quartic diophantine equations with some elementary number theory methods, we prove that the system of equations x2 − (4m2 −... -
When plenty is not enough: an assessment of the white stumpnose (Rhabdosargus globiceps) fishery of Saldanha Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Parker --- Fisheries Management Branch, Department of Agriculture, South Africa SE Kerwath --- Fisheries Management Branch, Department of Agriculture, South Africa TF Næsje --- Norwegian Institute for Nature Research (NINA), Norway CJ Arendse --- South African National Parks, Rondevlei Scientific Services (Garden Route National Park), South Africa FJ Keulder-Stenevik --- Sars Centre for Marine Molecular Biology, Norway K Hutchings --- Anchor Environmental Consultants, South Africa BM Clark --- Anchor Environmental Consultants, South Africa H Winker --- Fisheries Management Branch, Department of Agriculture, South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa CG Attwood --- Department of Biological Sciences, South AfricaWhite stumpnose Rhabdosargus globiceps is the main target of the linefishery in Saldanha Bay. Increased fishing pressure over the last three decades, particularly by the recreational sector, has led to concerns regarding sustainability of the local white stumpnose stock. The... -
Biomass production and potential water stress increase with planting density in four highly productive clonal Eucalyptus genotypes
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rodrigo Hakamada --- Forest Resources Graduate Program, ‘Luiz de Queiroz’ College of Agriculture, Brazil Robert M Hubbard --- US Department of Agriculture Forest Service, USA Silvio Ferraz --- Forest Sciences Department, ‘Luiz de Queiroz’ College of Agriculture, Brazil José Luiz Stape --- Department of Forestry and Environmental Resources, USA Cristiane Lemos --- International Paper do Brasil, BrazilThe choice of planting density and tree genotype are basic decisions when establishing a forest stand. Understanding the interaction between planting density and genotype, and their relationship with biomass production and potential water stress, is crucial as forest managers are... -
The disposition effect, price performance and fundamentals of IPOs: Evidence from Taiwan
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Chien-Feng Huang --- Department of Computer Science and Information Engineering, Taiwan, ROC Chih-Hsiang Chang --- Department of Finance, Taiwan, ROC Li-Min Kuo --- Department of Computer Science and Information Engineering, Taiwan, ROC Tsung-Nan Hsieh --- Department of Computer Science and Information Engineering, Taiwan, ROCThis study investigates whether the difference of the IPO issuing companies’ fundamentals impacts their price performance after listing and the significance of the disposition effect. Empirical results show that the IPO issuing companies’ fundamentals drive their first-day post-listing returns, one-year... -
Do mutual fund flows drive the disposition behaviour of fund managers?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Min-Hsien Chiang --- Institute of International Business, Taiwan Hsin-Yi Huang --- Department of Finance, TaiwanThis study examines the relationship between fund flows and the disposition behaviour of fund managers. During our sample period of 1996–2014, we find that the disposition biases of fund managers are significantly and negatively correlated with unexpected fund flows but... -
“The right thing to do?” Transformation in South African sport
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Brian Penrose --- Department of Philosophy, South AfricaIn this paper I attempt to unpack the current public debate on racial transformation in South African sport, particularly with regard to the demographic make-up of its national cricket and rugby sides. I ask whether the alleged moral imperative to... -
Multivalued stochastic delay differential equations and related stochastic control problems
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bakarime Diomande --- Faculty of Mathematics, Romania Lucian Maticiuc --- Faculty of Mathematics, RomaniaWe study the existence and uniqueness of a solution for the multivalued stochastic differential equation with delay (the multivalued term is of subdifferential type): -
Food challenges facing people living with HIV/AIDS in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nobuhle Moyo --- School of Built Environment and Development Studies, South Africa Pranitha Maharaj --- School of Built Environment and Development Studies, South Africa Liberty Mambondiani --- School of Built Environment and Development Studies, South AfricaThis study explored the food challenges facing people living with HIV/AIDS in Tsholotsho, Zimbabwe. Tsholotsho is a socio-economically disadvantaged, rural district in Zimbabwe and has one of the highest HIV prevalence rates in the country. For this study, face to... -
Use of Mid Upper-Arm Circumference (MUAC) as screening tool in an urban township in the Eastern Cape: rationale for testing changed cut-off values to identify malnutrition
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Shawn McLaren --- Department of Dietetics, South Africa Liana Steenkamp --- HIV & AIDS Research Unit, South Africa Danie Venter --- Department of Dietetics, South Africa -
Environmental factors influencing the distribution and prevalence of Schistosoma haematobium in school attenders of ILembe and uThungulu Health Districts, KwaZulu-Natal Province, South Africa
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Nkosinathi Banhela --- Discipline of Public Health Medicine, South Africa Myra Taylor --- Discipline of Public Health Medicine, South Africa Siphosenkosi Gift Zulu --- Discipline of Public Health Medicine, South Africa Linnea Sund Strabo --- Norwegian Centre for Imported and Tropical Diseases, Department of Infectious Diseases Ullevaal, Norway Eyrun Floerecke Kjetland --- Discipline of Public Health Medicine, South Africa Svein Gunnar Gundersen --- Research Department, NorwaySchistosoma haematobium infection is reported to facilitate the development of urogenital diseases. Its symptoms include haematuria, dysuria and tiredness, and it may cause cognitive decline in children. The prevalence of S. haematobium infection needs to be known in endemic areas... -
Possibilities of Russian hi-tech rare earth products to meet industrial needs of BRICS countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: N. Yu. Samsonov --- Institute of Economics and Industrial Engineering SB RAS, Russia A. V. Tolstov --- Institute of Geology and Mineralogy SB RAS, Russia N. P. Pokhilenko --- Institute of Geology and Mineralogy SB RAS, (Academician of Russian Academy of Science), Russia V. A. Krykov --- Institute of Economics and Industrial Engineering SB RAS, Russia S. R. Khalimova --- Institute of Economics and Industrial Engineering SB RAS, RussiaThe prospects of the creation in Russia of a new scientific and technological sector of production from rare earth materials from the unique niobium rare earth Tomtor deposit (Russia, Yakutia) are discussed in this article. The authors show that an... -
Innovation for inclusive development, public policy support and triple helix: perspectives from BRICS
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chux U. Daniels --- SPRU – Science Policy Research Unit, UK Olga Ustyuzhantseva --- Research Centre for Policy Analysis and Studies of Technologies, Russian Federation Wei Yao --- Research Institute for Development Strategy (RIDS), Zhejiang University, China P.RThis paper investigates the role of innovation in (inclusive) development – subsequently referred to as innovation for inclusive development (IID) and the links to public policy in BRICS (Brazil, Russia India, China and South Africa) countries. To achieve this aim,... -
Manualised health support interventions: Their efficacy in a South African primary healthcare setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nomvula Twaise --- Psychology Department, South Africa Thokozile Mayekiso --- Office of the Vice-Chancellor, South Africa Diane Elkonin --- Psychology Department, South Africa Calvin Gwandure --- Psychology Department, South AfricaThe study examined the implementation efficacy of a stress-reduction intervention for people living with HIV/AIDS by health care workers in the Eastern Cape Province, South Africa. Informants were 20 health care workers drawn from two health facilities. There were 17... -
Plant anatomy as a tool for evaluating the effect of different levels of nitrogen, plant population density, row spacing and irrigation on kenaf (Hibiscus cannabinus) fibre development
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Kayembe P Kabeya --- Department of Plant and Soil Sciences, South Africa Petrus J Robbertse --- Department of Plant and Soil Sciences, South Africa Diana Marais --- Department of Plant and Soil Sciences, South Africa J Martin Steyn --- Department of Plant and Soil Sciences, South AfricaKenaf (Hibiscus cannabinus) provides high-quality fibre that is used in papermaking, building materials and absorbents. The study aims were to conduct a proper anatomical study of fibre development in kenaf stems, and to investigate if the number of fibre wedges,... -
Variation in morphology and yield traits of Cucurbita landraces in northern KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nontuthuko R Ntuli --- Department of Botany, Faculty of Science and Agriculture, South Africa Rufaro M Madakadze --- African Crop Improvement Alliance for a Green Revolution in Africa, Kenya Alpheus M Zobolo --- Department of Botany, Faculty of Science and Agriculture, South AfricaPumpkins, represented by various Cucurbita species, are important traditional leafy vegetable crops that are widely eaten in KwaZulu-Natal, South Africa, and elsewhere. Cucurbita landraces are exceptionally variable in morphology and productivity. Although these vegetables are grown extensively in South Africa,... -
Second order parallel tensors on some paracontact manifolds
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ximin Liu --- School of Mathematical Sciences, China Quanxiang Pan --- School of Mathematical Sciences, ChinaThe object of the present paper is to study the symmetric and skew-symmetric properties of a second order parallel tensor on paracontact metric (k, µ)-spaces and almost β-para-Kenmotsu (k, µ)-spaces. In this paper, we prove that if there exists a... -
Comparative perch selection in Southern Fiscal Lanius collaris and Fiscal Flycatcher Sigelus silens at Amakhala Game Reserve, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ryan J Daniels --- Department of Zoology and Entomology, South Africa Patrick E Hulley --- Department of Zoology and Entomology, South Africa Adrian JFK Craig --- Department of Zoology and Entomology, South AfricaThe Southern Fiscal Lanius collaris and the Fiscal Flycatcher Sigelus silens are common, widespread and sympatric in much of southern Africa. They are similar in plumage and ecology, which may predispose them to competition and interspecific territorial aggression but this... -
Foraging behaviour of the Tawny-flanked Prinia Prinia subflava
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian G McLean --- Department of Forestry and Resource Management, New ZealandThe foraging behaviour of the Tawny-flanked Prinia Prinia subflava mutatrix (TFP) was studied at Morogoro, eastern Tanzania during the late winter, 2016. TFP foraged mostly in dense subcanopy or weedy vegetation. They foraged alone or in loosely constructed groups, and... -
A characterization of 3-i-critical graphs of connectivity two
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: N. Ananchuen --- Department of Mathematics, Faculty of Science, Thailand W. Ananchuen --- School of Liberal Arts, Thailand L. Caccetta --- Western Australian Centre of Excellence in Industrial Optimisation, Department of Mathematics and Statistics, Western AustraliaA subset S of V (G) is an independent dominating set of G if S is independent and each vertex of G is either in S or adjacent to some vertex of S. Let i(G) denote the minimum cardinality of... -
Mixed results: the protective role of schooling in the HIV epidemic in Swaziland
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alan Whiteside --- Balsillie School of International Affairs, Canada Andriana Vinnitchok --- Wilfrid Laurier University, Canada Tengetile Dlamini --- National Emergency Response Council on HIV and AIDS, Switzerland Khanya Mabuza --- National Emergency Response Council on HIV and AIDS, SwitzerlandSwaziland has the highest HIV prevalence in the world. It is recognised that young women, especially adolescents, are particularly vulnerable to HIV infection and bear a disproportionate burden of HIV incidence. The HIV data from Swaziland show the location of... -
Impact of Biological Invasions on Ecosystem Services
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Brian W van Wilgen --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa -
GPS tracking cattle as a monitoring tool for conservation and management
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jennifer M Schieltz --- Department of Ecology and Evolutionary Biology, USA Sharon Okanga --- Department of Entomology, USA Brian F Allan --- Department of Entomology, USA Daniel I Rubenstein --- Department of Ecology and Evolutionary Biology, USAThe emergence of GPS technology has resulted in significant advances in the ease and flexibility of studying animal movement patterns, yet barriers remain to the widespread use of GPS units for animal tracking. Here, we developed a low-cost, logistically simple... -
Fishery benefits from exploiting spawning aggregations not solely dependent on enhanced fish density
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Robinson --- Australian Research Council (ARC) Centre of Excellence for Coral Reef Studies, Australia NAJ Graham --- Australian Research Council (ARC) Centre of Excellence for Coral Reef Studies, Australia A Grüss --- Department of Marine Biology and Ecology, Rosenstiel School of Marine and Atmospheric Science, USA C Gerry --- Seychelles Fishing Authority, Seychelles J Bijoux --- Seychelles Fishing Authority, SeychellesThe vulnerability of spawning aggregations to exploitation varies among fisheries as a result of differences in the population-density changes associated with this behaviour. However, vulnerability to fishing is also influenced by technology, environmental factors, and fish and fisher behaviours. Focusing... -
Interventions and pathways for South African women in engineering and the built environment professions
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Christianah O. Ijagbemi --- Department of Industrial Engineering, South Africa Mukondeleli G. Kanakana --- Department of Industrial Engineering, South Africa Harold M. Campbell --- Department of Industrial Engineering, South AfricaWomen engineers are known to be very resourceful, result-oriented, committed and hardworking. The low participation of women in engineering and the built environment professions has been taking its toll on the economic and infrastructural development of South Africa. The practice... -
The scale effect of economic development and freshwater quality in Nigeria: Environmental pollution of the Lower River Niger Basin
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chigozie Damian Ezeonyejiaku --- Department of Zoology, Nigeria Maximilian Obinna Obiakor --- School of Environmental and Rural Science, Australia Dymphna Javier --- School of Environmental and Rural Science, Australia Ikem Innocent Ifedigbo --- Department of Zoology, Nigeria Hamilton Chukwuebuka Obiakor --- Department of Public Administration, NigeriaRiver Niger is the third-longest river in Africa and the longest river in West Africa. The river basin traverses West and Central African countries, and forms a coastal delta (in southern Nigeria) where it empties into the Atlantic Ocean. The... -
Incidence of hypoglycaemia among insulin-treated patients with type 1 or type 2 diabetes mellitus: South African cohort of International Operations Hypoglycaemia Assessment Tool (IO HAT) study
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Mahomed AK Omar --- Department of Diabetes and Endocrinology, South Africa Adri Kok --- Specialist Physician, South Africa Duma Khutsoane --- Physician, Medi-Clinic, South Africa Shaifali Joshi --- General Physician, South Africa Michael Ramaboea --- Physician, Louis Pasteur Hospital, South Africa Makepisi Lesiba Isaac Mashitisho --- Physician, Legae Medi Clinic, South Africa Verushka Chetty --- Novo Nordisk A/S, South Africa Levi John Koopman --- Novo Nordisk A/S, South Africa Louise Johnson --- Physician, Montana Hospital, South AfricaObjectives: To assess the incidence and rates of hypoglycaemia in patients with type 1 diabetes mellitus (T1DM) or type 2 diabetes mellitus (T2DM) in the South African cohort of the International Operations Hypoglycaemia Assessment Tool (IO HAT) study. -
Review of Reading Nuruddin Farah: The Individual, the Novel & the Idea of Home
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Obala F. Musumba --- Department of Asian and African Studies, Germany -
The factor structure of the Social Axioms Survey II (SASII) in the South African context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Adi Barnard --- Department Human Resource Management, Economic Management Science, South Africa Deon Meiring --- Department Human Resource Management, Economic Management Science, South Africa Ian Rothmann --- Optentia Research Focus Area, South AfricaThe objective of this study was to validate the new Social Axioms Survey II (SASII). The study sample comprised university students (n = 793) as well as their family members and friends (n = 645). Confirmatory factor analysis (CFA) following... -
Hepatitis C virus seroprevalence among haemodialysis patients, sickle cell patients and blood donors at a tertiary hospital in Yaounde, Cameroon
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Therese Ndomgue --- Department of Microbiology/Immunology, Cameroon Michel Kengne --- Department of Microbiology/Immunology, Cameroon Patrick Achiangia Njukeng --- Department of Plant Biology, Cameroon Valentine Ngum Ndze --- Metabiota Cameroon, Cameroon Damien Nota Anong --- Department of Microbiology and Parasitology, Cameroon Tracy Madimabi Masebe --- Department of Life and Consumer Sciences, South Africa Ubald Tamoufe --- Metabiota Cameroon, Cameroon Anastasia Yenban Bongajum --- Service for the prevention of mother-to-child transmission of HIV (PMTCT), Cameroon Daniel Ter Goon --- Department of Nursing Sciences, South Africa Julius Mbekem Nwobegahay --- Military Health Research Center (CRESAR), CameroonBackground: Hepatitis C virus (HCV) infection is a serious health care problem in haemodialysis patients, sickle cell patients and blood donation in Africa. However, there is a paucity of information about this in Cameroon. This study presents the prevalence of... -
Linguistic construct of songs of the Ham of Nigeria: A genre analysis
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Philip Hayab John --- Department of English, Nigeria Marianna W. Visser --- Department of African Languages, South AfricaThe article examines the texts of songs of the Ham of Nigeria, a minority group, whose social links originate from kinship with a commonly held ancestry, to establish how such a relationship could be explicated in the content of the... -
Variation in the daily activity, movement and refugia of Critically Endangered geometric tortoises, Psammobates geometricus, in autumn and spring
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Brian T. Henen --- , , South Africa Ulric P. van Bloemestein --- , , South Africa Margaretha D. Hofmeyr --- , , South Africa Craig A. Weatherby --- , , USATo help assess habitat requirements of Critically Endangered geometric tortoises, we used thread-trailing to measure daily activity, movements and refugia of adult Psammobates geometricus in autumn and spring 2002. We found strong differences between seasons, and effects of weather, individuals... -
Acoustic communication and reproductive behaviour in the aquatic frog Xenopus laevis (Pipidae), a field study
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Achim Ringeis --- , , Germany Birgit Krumscheid --- , , Germany Phillip J. Bishop --- , , New Zealand Christian de Vries --- , , Germany Andreas Elepfandt --- , , GermanyWe studied the acoustic and reproductive behaviour of the clawed frog, Xenopus laevis, in a pond with clear water in South Africa over a period of two months. It contained 21 adult males and females. Each was marked with a... -
Collocative meaning in the Igbo language
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Chukwuma Onyebuchi Okeke --- Department of Linguistics, Igbo and Other Nigerian Languages, Nigeria Uchenna Modestus Egbuta --- Department of Linguistics, Igbo and Other Nigerian Languages, NigeriaThis paper analyses collocation in the Igbo language through the corpus study of lexical and grammatical manifestations of collocation in scholarly documents in the Igbo language. The corpora comprise 20 randomly selected documents from different scholars published from 2013 to... -
Phylogeography of oribi antelope in South Africa: evolutionary versus anthropogenic panmixia
Item type: Journal Article • Journal: African Zoology • Authors: Bettine Jansen van Vuuren --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South Africa Ian Rushworth --- Ecological Advice Division, Scientific Services, South Africa Claudine Montgelard --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South AfricaThe increased rate of human-driven change is a major threat to biodiversity. Although there is sufficient evidence to suggest that species notably alter their ranges, facilitation of such movement for larger vertebrate species often places burdens on management agencies. Oribi... -
Transport and transformation of surface water masses across the Mascarene Plateau during the Northeast Monsoon season
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P Vianello --- Nansen-Tutu Centre for Marine Environmental Research, South Africa IJ Ansorge --- Department of Oceanography, Marine Research Institute, South Africa M Rouault --- Nansen-Tutu Centre for Marine Environmental Research, South Africa M Ostrowski --- Institute of Marine Research, NorwayThe Mascarene Plateau lies in the south-west Indian Ocean between the islands of Mauritius and the Seychelles Bank, and is characterised by a series of shallow banks separated by deep (>1 000 m), narrow channels. The plateau acts as an... -
Response of soybean to Bradyrhizobium japonicum inoculation and phosphorus application under intercropping in the Central Rift Valley of Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Tesfaye Fituma --- Research and Development Center, Ethiopian Sugar Corporation, Ethiopia Tamado Tana --- College of Agricultural and Environmental Sciences, Ethiopia Anteneh Argaw Alemneh --- Natural Resource Management and Environmental Sciences, EthiopiaEffective nodulation by legumes requires balanced availability of phosphorus (P); however, maximum responses to P can be obtained only when adequate mineral nitrogen or superior symbiotic systems are available. Hence, a field experiment was conducted at Metahara Sugar Estate under... -
Habitat variables associated with encounters of Hottentot Buttonquail Turnix hottentottus during flush surveys across the Fynbos biome
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Alan TK Lee --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Dale R Wright --- BirdLife South Africa, South Africa Brian Reeves --- Eastern Cape Parks and Tourism Agency, South AfricaThe Hottentot Buttonquail Turnix hottentotus is an endangered terrestrial turnicid and is endemic to the Fynbos biome, South Africa. Due to its secretive nature and apparent rarity almost nothing is known about the species, but its range has been subject... -
Migration of a Peregrine Falcon Falco peregrinus calidus from Saudi Arabia to Cape Town as revealed by satellite telemetry
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bernd-Ulrich Meyburg --- BirdLife Germany (Nature and Biodiversity Conservation Union), Germany Patrick Paillat --- International Fund for Houbara Conservation, United Arab Emirates Christiane Meyburg --- World Working Group on Birds of Prey, France Michael McGrady --- International Avian Research, AustriaIn boreal autumn 1995, we tracked a migrating adult Peregrine Falcon Falco peregrinus calidus from the border of Saudi Arabia and Yemen to near Cape Town, South Africa, a distance of 6 346 km. While on migration it covered 288 km d−1,... -
Fungi and insects associated with Euphorbia ingens die-off in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Johannes A van der Linde --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences (NAS), South Africa Diana L Six --- College of Forestry and Conservation, Department of Ecosystem and Conservation Sciences, USA Michael J Wingfield --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences (NAS), South Africa Jolanda Roux --- Department of Plant and Soil Sciences, FABI, NAS, South AfricaEuphorbia ingens, landmark succulent trees in savannas of South Africa, have been dying in large numbers over the last 10–15 years. Initial studies conducted in the Limpopo province of South Africa revealed a diverse group of biotic agents including fungi,... -
Role of site in the mortality and production of Acacia mangium plantations in Indonesia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Marcus Hardie --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Nawari Akhmad --- Research and Development RAPP, APRIL Group, Indonesia Caroline Mohammed --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Daniel Mendham --- CSIRO Ecosystem Sciences and Sustainable Agriculture Flagship, Australia Ross Corkrey --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Abdul Gafur --- Research and Development RAPP, APRIL Group, Indonesia Sabar Siregar --- Research and Development RAPP, APRIL Group, IndonesiaIn Indonesia, Acacia mangium plantations exceed 1.6 Mha contributing approximately 3.5% of the country’s GDP. The viability of these plantations is increasingly threatened by fungal pathogens, insect pests, squirrels, monkeys, elephants and wind damage. Studies indicate that the problem is... -
Genotypic variation in tree growth and selected flavonoids in leaves of Cyclocarya paliurus
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Yanni Cao --- College of Forestry, China Bo Deng --- College of Forestry, China Shengzuo Fang --- College of Forestry, China Xulan Shang --- College of Forestry, China Xiangxiang Fu --- College of Forestry, China Wanxia Yang --- College of Forestry, ChinaCyclocarya paliurus is a valuable medicinal tree species in China. However, limited information is available on its genotype selection and cultivation for improvement of growth and health-promoting phytochemicals. To contribute to improved knowledge of the potential use of the species,... -
Inventive activity and knowledge flows in the Mediterranean area: A social network analysis based investigation approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Massimiliano Ferrara --- Mediterranean University of Reggio Calabria, Italy Roberto Mavilia --- University for Foreigners ‘Dante Alighieri’, MEDAlics, Via del Torrione 95, Italy Francesca Larosa --- University for Foreigners ‘Dante Alighieri’, MEDAlics, Via del Torrione 95, ItalyThis paper investigates the collaboration of inventive activities at firm level in the Mediterranean area by investigating, through social network analysis, the collaboration between the two shores of Mediterranean area. Using patent data, our aim is to capture some relevant... -
Staffing levels at KwaZulu-Natal district hospitals: is the University of KwaZulu-Natal training for the needs of the province?
Item type: Journal Article • Journal: South African Family Practice • Authors: Andrew Ross --- Department of Family Medicine, South Africa Dumsani Gumede --- Umthombo Youth Development Foundation, South Africa Solange Mianda --- Department of Family Medicine, South AfricaBackground: Universities have a social responsibility to ensure that they select and train healthcare professionals (HCPs) who can meet the healthcare needs of local communities. The aim of this study was to assess the extent to which the University of... -
The influence of lotteries on employees’ workplace HIV testing behaviour
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Martin Weihs --- Social Aspects of HIV/AIDS Research Alliance (SAHARA) and HIV/AIDS, South Africa Anna Meyer-Weitz --- School of Applied Human Sciences, South Africa Friederike Baasner-Weihs --- Nelson Mandela University, South AfricaThe aim of the study was to understand how lottery incentives influenced the HIV counselling and testing (HCT) behaviour and behaviour intention of shop-floor workers who participated in a workplace HCT campaign initiative in two companies in the Nelson Mandela... -
Estimating risk factors for HIV infection among women in Mozambique using population-based survey data
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sara S Dias --- EpiDoC Unit, Centro de Estudos de Doenças Crónicas da NOVA Medical School, Portugal Francisco Mbofana --- Ministry of Health, Mozambique Sheyla R Cassy --- Departamento de Matemática e Informática, Faculdade de Ciências, Mozambique Sónia Dias --- Instituto de Higiene e Medicina Tropical, Portugal Gonçalo F Augusto --- Instituto de Higiene e Medicina Tropical, Portugal Victor Agadjanian --- Center of Population Dynamics, USA Maria R O Martins --- Instituto de Higiene e Medicina Tropical, PortugalThe use of population-based survey data together with sound statistical methods can enhance better estimation of HIV risk factors and explain variations across subgroups of the population. The distribution and determinants of HIV infection in populations must be taken into... -
Teenage pregnancies in Mozambique: the experience of “Servicios Amigos dos Adolescentes” clinics in Beira
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Damiano Pizzol --- Operational Research Unit, Italy Francesco Di Gennaro --- Clinic of Infectious Diseases, Italy Chiara Boscardin --- Department of Woman’s and Child’s Health, Italy Giovanni Putoto --- Operational Research Unit, Italy Elena Cuppini --- District Health Department, Mozambique Graciana Pita --- Department of Woman’s and Child’s Health, Italy Alexandra George --- District Health Department, Mozambique Laura Monno --- Clinic of Infectious Diseases, Italy Annalisa Saracino --- Clinic of Infectious Diseases, Italy Liviana Da Dalt --- Department of Woman’s and Child’s Health, Italy Angela De Palma --- Section of Thoracic Surgery, ItalyThe purpose of this article is to provide insights into the demand for pregnancy-related health services by adolescent girls and young women in Mozambique. We analysed the patient registers for the first year of operation (2014) of the Servicios Amigos... -
Pathways to violence propensity: Results from a two-wave study of young males in urban South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ian Edelstein --- Human Sciences Research Council, South AfricaThe aim of this study was to model pathways to violence propensity and violent behaviour among boys and young men in a high-violence community in South Africa. To that end, 284 young males (11 to 23 years old) from Khayelitsha,... -
Change as a travel benefit: Exploring the impact of travel experiences on Italian youth
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Simona Staffieri --- Italian National Institute of Statistics, Italy Elena Cavagnaro --- Academy of International Hospitality Research, The Netherlands Bill Rowson --- Academy of International Hospitality Research, The NetherlandsThis paper aims, firstly, at identifying the main dimensions of perceived change induced in young people by a travel experience and, secondly, at understanding which dimensions of the tourism experience have the greatest influence on this change. A survey was... -
On the number of solutions of the generalized Ramanujan-Nagell equation D1X2 + DM2 = 2N+2
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianghua Li --- College of Science, P.R.ChinaLet D1, D2 be coprime odd integers with min (D1, D2) > 1, and let N (D1, D2) denote the number of positive integer solutions (x, m, n) of the equation D1x2+Dm2 = 2n+2. In this paper, we prove that... -
Two abstract approaches in vectorial fixed point theory
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Tiziana Cardinali --- Department of Mathematics and Computer Science, Italy Radu Precup --- Department of Mathematics, Romania Paola Rubbioni --- Department of Mathematics and Computer Science, ItalyIn this paper a fixed point theory is established for operators defined on Cartesian product spaces. Two abstract approaches are presented in terms of closure operators and of general functionals called measures of deviations from zero resembling the measures of... -
Continuity of generalized derivations on JB*-algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohammad Gholampour --- Department of Pure Mathematics, Iran Shirin Hejazian --- Department of Pure Mathematics, IranWe prove that every generalized Jordan derivation D from a JB∗-algebra ???? into itself or into its dual space is automatically continuous. In particular, we establish that every generalized Jordan derivation from a C∗-algebra to a Jordan Banach module is... -
Rethinking medicinal plants and plant medicines
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, South AfricaBecause plants are perceived as sessile and immobile, they are often represented as objects or things in current literature. In this paper, I explore variations and shifts in research and literature since 2000 that reconsider the ways that plant-related ideas,... -
Influences of the arbuscular mycorrhizal fungus Glomus mosseae on morphophysiological traits and biochemical compounds of common bean (Phaseolus vulgaris) under drought stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ali Ganjeali --- Department of Biology, Faculty of Sciences, Iran Elham Ashiani --- Department of Biology, Faculty of Sciences, Iran Maryam Zare --- Department of Biology, Faculty of Sciences, Iran Elahe Tabasi --- Department of Biology, Faculty of Sciences, IranThe symbiosis of arbuscular mycorrhizae (AM) with plant roots can enhance plant responses, especially to drought stress. An experiment was conducted in a growth chamber to examine the impacts of arbuscular mycorrhizae on improving the drought tolerance of common bean... -
Performance effects of international knowledge transfer: A panel analysis of human mobility between knowledge environments
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sebastian G.M. Händschke --- Department of Business Administration and Economics, Chair of Organization, Leadership and HRM, Germany Raluca Kerekes --- Department of Business Administration and Economics, Chair of Organization, Leadership and HRM, Germany Peter Walgenbach --- Department of Business Administration and Economics, Chair of Organization, Leadership and HRM, GermanyIn this paper, we build on the argument that knowledge transfer is a source for competitive advantage. We test the proposition whether knowledge transfer from knowledge-rich to knowledge-indigent environments leads to better performance. Empirically, we test the performance effects of... -
Impact of number of stems per stool on mechanical harvesting of a Eucalyptus globulus coppiced plantation in south-west Western Australia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Martin Strandgard --- Australian Forest Operations Research Alliance (AFORA), Australia Rick Mitchell --- Australian Forest Operations Research Alliance (AFORA), AustraliaCoppice regeneration of eucalypt plantations is increasingly being used in Australia to reduce re-establishment costs. However, little is known about the impact of early coppice reduction regimes on harvester performance during clearfelling. The trial compared the productivity, time consumption, cost... -
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 FasoTamarindus 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,... -
Monitoring Victoria’s public forests: implementation of the Victorian Forest Monitoring Program
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Andrew Haywood --- European Forest Institute, Spain Kristen Thrum --- Victorian Department of Environment, Land, Water and Planning, Australia Andrew Mellor --- School of Mathematical and Geospatial Sciences, Australia Christine Stone --- New South Wales Department of Primary Industries, AustraliaA new strategic inventory across all publicly managed forests has been installed in Victoria. For the preceding two decades, Victoria’s forest inventory has been compiled from various data sources from across the state, an approach that doesn’t allow information about... -
Conceptions of love in Ghana: An exploration among Ghanaian Christians
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annabella Osei-Tutu --- Department of Psychology, Ghana Vivian A. Dzokoto --- Department of African American Studies, USA Katja Hanke --- Survey Design and Methodology, Germany Glenn Adams --- Department of Psychology, USA Faye Z. Belgrave --- Department of Health Psychology, USAWe explored conceptions of love from the perspective of Ghanaian Christians. Using an ethnographic approach, we interviewed 61 participants (males = 39; females = 22; age range 20 to 70) on their understanding and experiences of love in the context... -
Parents of children with Down Syndrome: Do resilience and social support matter to their experience of carer stress?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Maria Chidi C. Onyedibe --- Department of Psychology, Nigeria Leonard I. Ugwu --- Department of Psychology, Nigeria Philip, C. Mefoh --- Department of Psychology, Nigeria Christiana Onuiri --- Department of Psychology, NigeriaThe study investigated personal resilience influences on the relationship between social support and parenting-stress among parents of children with Down syndrome (DS) in a Nigerian sample. One hundred and ninety three parent-carers of children with DS participated in the study... -
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, USAWe 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... -
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, USAWe 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... -
Breeding ecology of Kori Bustard Ardeotis kori strunthiunculus in the Serengeti National Park
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Emmanuel C Mmassy --- Tanzania Wildlife Research Institute, Tanzania Robert D Fyumagwa --- Tanzania Wildlife Research Institute, Tanzania Kjetil Bevanger --- Norwegian Institute for Nature Research, Norway Eivin Røskaft --- Department of Biology, NorwayThe breeding ecology of the Kori Bustard Ardeotis kori strunthiunculus was studied in the plains of the Serengeti National Park, Tanzania in 2014 and 2015. Random transects were used to search for male courtship displays, nests, chicks and subadults. GPS... -
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, BrazilThis 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,... -
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, FranceThe 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... -
Blind Spots in African Management Education: An Examination of Issues Deserving Greater Attention
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Michelle P. Lee --- Lee Kong Chian School of Business, Singapore Howard Thomas --- Lee Kong Chian School of Business, Singapore Lynne Thomas Alexander Wilson --- School of Business and Economics, UKThere is reason to be optimistic about management education in Africa given the growth in the number of business schools on the continent and continued efforts at raising quality. There remains room for improvement in the field, of course, and... -
Deliberative epistemology: Towards an ubuntu-based epistemology that accounts for a priori knowledge and objective truth
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Leyla Tavernaro-Haidarian --- Department of Journalism, Film and Television, South AfricaThe field of epistemology is concerned with the nature, generation and justification of knowledge as well as the rationality of belief; addressing what makes beliefs justified, what it means to say that one knows something and how one knows it... -
Novel technique for reversing phrenic nerve paresis secondary to interscalene brachial plexus block
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Ian O Fleming --- Department of Anaesthesia and Pain Medicine, Australia Krishna Boddu --- Department of Anaesthesia and Pain Medicine, AustraliaInterscalene brachial plexus block is the reference analgesic technique for shoulder surgery. Phrenic nerve palsy with hemidiaphragmatic paresis is an established complication that results in symptomatic dyspnoea in a small number of subjects, and is poorly tolerated. Established management is... -
Carbohydrate-derived fulvic acid wellness drink: its tolerability, safety and effect on disease markers in pre-ART HIV-1 positive subjects
Item type: Journal Article • Journal: South African Family Practice • Authors: ME Botes --- Department of Internal Medicine, South Africa IS Gilada --- Private practice, India JR Snyman --- Consultant Fulhold (Pty) Ltd, South Africa JPL Labuschagne --- Private Statistician, South AfricaBackground: Many people take wellness drinks on a daily basis to enhance physical and emotional well-being. The safety and/or efficacy of these are not always known or even established in the populations likely to consume these. The safety, tolerability and... -
Seroprevalence of onchocerciasis in Ogun State, Nigeria after ten years of mass drug administration with ivermectin
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: OA Surakat --- Department of Pure and Applied Zoology, College of Biosciences, Nigeria SO Sam-Wobo --- Department of Pure and Applied Zoology, College of Biosciences, Nigeria T De Los Santos --- Programme for Appropriate Technology in Health (PATH, USA D Faulx --- Programme for Appropriate Technology in Health (PATH, USA A Golden --- Programme for Appropriate Technology in Health (PATH, USA K Ademolu --- Department of Pure and Applied Zoology, College of Biosciences, Nigeria L Yokobe --- Programme for Appropriate Technology in Health (PATH, USA MA Adeleke --- Department of Biological Sciences, Nigeria SO Bankole --- Department of Pure and Applied Zoology, College of Biosciences, Nigeria ON Adekunle --- Department of Plant Science and Applied Zoology, Nigeria WA Abimbola --- Department of Plant Science and Applied Zoology, Nigeria CF Mafiana --- Deputy Executive Secretary’s Office, NigeriaBackground: This serological study conducted between March and July 2015 investigated the status of onchocerciasis in Ogun State, Nigeria after a decade of mass drug administration (MDA) with ivermectin. Baseline information from the rapid epidemiological mapping of onchocerciasis (REMO) prior... -
Towards plant-centred methodologies in anthropology
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, South AfricaThis paper reflects on research on medicinal plants in the Matzikama Local Municipality, Western Cape, in order to elaborate on methodological possibilities and their problematic in such studies. Classical ethnographic research is usually conducted from an anthropocentric viewpoint, but our... -
Human and plant interfaces: relationality, knowledge and practices
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, South Africa William Ellis --- Department of Anthropology and Sociology, South AfricaThis introduction to the special issue on “Human-Plant Interfaces: Relationality, Knowledge and Practices” briefly makes a case for the ethnography of the human-plant interface by referring to three interrelated aspects that emerge from the set of papers that follow. These... -
Towards an understanding of the commercialization drivers of research findings in Iran
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Leila Namdarian --- Department of Information Policy, Society and Information Faculty, Iran Ali Naimi-Sadigh --- Department of e-Business, Information Technology Faculty, IranTaking a look at the performance of Iranian universities and research centres, one might notice that despite their Research and Development (R&D) capacities, most have fallen short in research commercialization, leaving them dependent on government funding. Hence, certain mechanisms should... -
Innovative solutions and women empowerment: Implications for sustainable development goals in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yetunde A. Aluko --- Nigerian Institute of Social and Economic Research (NISER), Nigeria Oluwakemi B. Okuwa --- Nigerian Institute of Social and Economic Research (NISER), NigeriaThis paper presents an analysis of patterns of university interaction for innovation that engenders inclusive development in Nigeria. Specifically, it explains innovative solutions for women empowerment that occurred through interaction between the University of Ibadan and the Ile-Ogbo community and... -
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, ChinaThe 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... -
Psychosocial characteristics of primary care-seeking long-distance truck drivers in Kenya and associations with HIV testing
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Matthew L Romo --- Department of Epidemiology and Biostatistics & Institute for Implementation Science in Population Health, CUNY Graduate School of Public Health and Health Policy, USA Gavin George --- Health Economics and HIV and AIDS Research Division, South Africa Joanne E Mantell --- HIV Center for Clinical and Behavioral Studies, Department of Psychiatry, Division of Gender, Sexuality, and Health, USA Eva Mwai --- North Star Alliance, Kenya Eston Nyaga --- North Star Alliance, Kenya Jacob O Odhiambo --- North Star Alliance, Kenya Kaymarlin Govender --- Health Economics and HIV and AIDS Research Division, South Africa Elizabeth A Kelvin --- Department of Epidemiology and Biostatistics & Institute for Implementation Science in Population Health, CUNY Graduate School of Public Health and Health Policy, USAThe 90-90-90 strategy from the Joint United Nations Programme on HIV/AIDS (UNAIDS) to end the AIDS epidemic by 2020 includes, as its first goal, to have 90% of all people living with HIV to know their status. Achieving this goal... -
Anaesthesia in the MRI suite
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Reinier Swart --- Department of Anaesthesiology, University of the Free State, South Africa William Ian Duncombe Rae --- Discipline of Medical Radiation Sciences, AustraliaAnaesthesia in the magnetic resonance imaging (MRI) suite, or when performing surgery that requires MRI guidance, is becoming a more frequent and complex procedure for anaesthetists, as the study modality is increasing in application. MRI is not inert in its... -
Generalizations of two identities of Guo and Yang
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mircea Merca --- Academy of Romanian Scientists, RomaniaIn this paper, we provide generalizations of two identities of Guo and Yang [2] for the q-binomial coefficients. This approach allows us to derive new convolution identities for the complete and elementary symmetric functions. New identities involving q-binomial coefficients are... -
Job demands and psychological well-being: Moderating role of occupational self-efficacy and job social support among mid-career academics
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ike E. Onyishi --- Department of Psychology, Nigeria Fabian O. Ugwu --- Department of Psychology, Nigeria Charity N. Onyishi --- Department of Sociology and Anthropology, Nigeria Felicia O. Okwueze --- Department of Public Administration and Local Government Studies, NigeriaThe study investigated the moderating role of occupational self-efficacy and job social support on the relationship between job demands and psychological well-being among mid-career academics. Participants were 203 academics at three public Nigerian universities (female = 37.93%; mean years of... -
Silages in the form of diet based on spineless cactus and buffelgrass
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Alberto Jefferson da Silva Macêdo --- Department of Animal Science, Brazil Edson Mauro Santos --- Department of Animal Science, Brazil Gherman Garcia Leal de Araújo --- Embrapa Semi-arid, Brazil Ricardo Loiola Edvan --- Department of Animal Science, Brazil Juliana Silva de Oliveira --- Department of Animal Science, Brazil Alexandre Fernandes Perazzo --- Department of Animal Science, Brazil Wilma Cristina Cavalcante dos Santos Sá --- Department of Animal Science, Brazil Danillo Marte Pereira --- Department of Animal Science, BrazilThis study was conducted to evaluate the fermentation pattern and the in situ dry matter degradability of silages in the form of diet. Five diets were formulated based on spineless cactus (Opuntia fícus-indica cv. ‘Gigante’) and buffelgrass (Cenchrus ciliaris). The... -
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, PortugalBehaviour 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... -
Shoot the Messager? How the Secretarybird Sagittarius serpentarius got its names (mostly wrong)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Glenn --- Department of Communication Science, South AfricaResearch into the etymology of various names for the Secretarybird Sagittarius serpentarius reveals a comedy of errors from Vosmaer, his French translator, Buffon, Sonnerat, and Miller to Fry. The research suggests that the name Sagittarius resulted from a misunderstanding in... -
Longevity in some Malagasy rainforest passerines
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Friederike Woog --- Staatliches Museum für Naturkunde Stuttgart, Germany Narisoa Ramanitra --- Ecole Normale Supérieure, Université d’Antananarivo, Madagascar Andrianarivelosoa Solohery Rasamison --- Mention Zoologie et Biodiversité Animale, Faculté des Sciences, L’Université d’Antananarivo, Madagascar Rasolondraibe Lovahasina Tahiry --- Mention Zoologie et Biodiversité Animale, Faculté des Sciences, L’Université d’Antananarivo, MadagascarData on longevity is a prerequisite to understand the life-history strategies of a species. For Malagasy songbirds no information has been previously published. Therefore, we studied their longevity in a capture–recapture effort in a rainforest in eastern Madagascar (Maromizaha, Andasibe)... -
Afro-communitarianism and affirmative action in South Africa: A response to David Benatar
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Rianna Oelofsen --- Department of Philosophy, South AfricaIn a 2008 article “Justice, Diversity and Racial Preference: a Critique of Affirmative Action”, published in the South African Law Journal, David Benatar argues that affirmative action in South African higher education institutions cannot be justified. In response to this... -
Effect of residue and fertiliser management on soil fertility in a long-term sugarcane trial in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sandile Mthimkhulu --- South African Sugarcane Research Institute, South Africa Neil Miles --- South African Sugarcane Research Institute, South Africa Rianto van Antwerpen --- South African Sugarcane Research Institute, South Africa Dimpho Elephant --- South African Sugarcane Research Institute, South AfricaUnderstanding the impact of long-term continuous addition of sugarcane residues and fertiliser on soil fertility is important for development of best management practices. The experiment commenced in 1939. The fertility of the 0–10 cm soil layer was affected by the... -
Stratified lattice-valued neighborhood tower group
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Qiu Jin --- Department of Mathematics, P.R. China Lingqiang Li --- Department of Mathematics, P.R. ChinaIn this paper, by generalizing Höhle and Šostak’s stratified L-fuzzy neighborhood system, the notion of stratified L-neighborhood tower space is introduced. Then by enriching a group structure on a stratified L-neighborhood tower space, the notion of stratified L-neighborhood tower group... -
Kiedis’s Scar Tissue: A Phenomenological Psychobiography
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Tatiana Latilla Sherianne KramerThis study uses a psychobiographic research method as a means to explore and describe the life of lyricist, Anthony Kiedis. Kiedis’s history is investigated through the lens of Erik Erikson’s theory of identity development. Using Interpretative Phenomenological Analysis (IPA) as... -
Tablet-based disclosure counselling for HIV-infected children, adolescents, and their caregivers: a pilot study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Megan S McHenry --- Indiana University School of Medicine, USA Edith Apondi --- Academic Model Providing Access to Healthcare (AMPATH), Kenya Carole I McAteer --- Indiana University School of Medicine, USA Winstone M Nyandiko --- Academic Model Providing Access to Healthcare (AMPATH), Kenya Lydia J Fischer --- Indiana University School of Medicine, USA Ananda R Ombitsa --- Academic Model Providing Access to Healthcare (AMPATH), Kenya Josephine Aluoch --- Academic Model Providing Access to Healthcare (AMPATH), Kenya Michael L Scanlon --- Indiana University School of Medicine, USA Rachel C Vreeman --- Indiana University School of Medicine, USABackground: Overwhelmed, under-trained medical staff working in resource-limited settings need efficient resources for HIV disclosure counselling. The objective of this study was to describe providers’ experiences using tablet computers for disclosure-related counselling with HIV-infected children and their caregivers in western... -
Prevalence of HIV and other infections and injection behaviours among people who inject drugs in Addis Ababa, Ethiopia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Minilik Demissie --- Ethiopian Public Health Institute, Ethiopia Lisa G. Johnston --- United Nations Office on Drug and Crime, USA Mekonnen Muleta --- United Nations Office on Drug and Crime, USA Dires Desyebelew --- United Nations Office on Drug and Crime, USA Wudinesh Belete --- Ethiopian Public Health Institute, Ethiopia Atsbeha G/Egxiabehre --- Ethiopian Public Health Institute, Ethiopia Nigussie Gezahegn --- Ethiopian Public Health Institute, Ethiopia Desta Kassa --- Ethiopian Public Health Institute, Ethiopia Yibeltal Aseffa --- Ethiopian Public Health Institute, EthiopiaBackground: Ethiopia is one of the sub-Saharan African countries most affected by HIV/AIDS. However, the country lacks data describing the extent of the epidemic among people who inject drugs (PWID). Thus, a bio-behavioural study was conducted in 2015 to generate... -
Propagation of Hypoxis hemerocallidea by inducing corm buds
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Motiki M Mofokeng --- Agricultural Research Council–Roodeplaat, Vegetable and Ornamental Plants, South Africa Riana Kleynhans --- Department of Horticulture, South Africa Lesego M Sediane --- Agricultural Research Council–Roodeplaat, Vegetable and Ornamental Plants, South Africa Liesl Morey --- Agricultural Research Council–Biometry, Corporate Office, South Africa Hintsa T Araya --- Agricultural Research Council–Roodeplaat, Vegetable and Ornamental Plants, South AfricaAfrican potato is facing rapid decline of wild populations due to large-scale harvesting, necessitating efficient means of propagation. Propagation of African potato is difficult due to seed dormancy and the species does not naturally propagate easily from corms. This study... -
Effect of moringa extract on the leaf anatomy and yield potential of tomato infected by Alternaria solani
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Culver Mvumi --- Department of Plant and Soil Science, South Africa Diana Marais --- Department of Plant and Soil Science, South Africa Elizabeth Ngadze --- Department of Crop Science, Zimbabwe Elsa S du Toit --- Department of Plant and Soil Science, South Africa Albert Tsindi --- Faculty of Agriculture, ZimbabweTomato is often exposed to hormones and diseases, among other factors, to which responses in leaf anatomy and yield are observed. This study evaluated responses in the leaf anatomy of Alternaria solani infected (IN) and non-infected (NIN) tomato (Solanum lycopersicum)... -
Zulu bird names: A progression over the decades (I)
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Adrian Koopman --- Faculty of Arts and Design, South AfricaFor nearly 250 years, beginning with Linnaeus in 1758 and continuing through the nineteenth and twentieth centuries, birds have been given scientific and vernacular names created by deliberate, conscious, and methodological taxonomical naming processes. On the other hand, Zulu names... -
Orlicz-Brunn-Minkowski inequality for radial Blaschke-Minkowski homomorphisms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Chang-Jian Zhao --- Department of Mathematics, P.R. ChinaIn this paper, we extend the Brunn-Minkowski inequality for radial Blaschke-Minkowski homomorphisms to an Orlicz setting and an Orlicz-Brunn-Minkowski inequality for radial Blaschke-Minkowski homomorphisms is established. The new Orlicz-Brun-Minkowski inequality in special case yields the Lp-Brunn-Minkowski inequality for the radial... -
Review of the leaf-litter skinks (Scincidae: Panaspis) from the Gulf of Guinea Oceanic Islands, with the description of a new species
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Leonor B. Soares --- , , Portugal Luis M. P. Ceríaco --- , , Portugal Mariana P. Marques --- , , Portugal Cristiane Bastos-Silveira --- , , Portugal Lauren A. Scheinberg --- , USA D. James Harris --- , Portugal António Brehm --- , , Portugal José Jesus --- , PortugalLeaf-litter skinks of the genus Panaspis are currently represented in the oceanic islands of the Gulf of Guinea by two species, Panaspis africana and P. annobonensis. Here we describe a third species, Panaspis thomensis sp. nov., endemic to São Tomé... -
Valency-decreasing derivations and quasi-middles in Bantu: A typological perspective
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sebastian Dom --- Department of Languages and Cultures, Belgium Leonid Kulikov --- Department of Linguistics, Belgium Koen Bostoen --- Department of Languages and Cultures, Belgium -
Social engagement and survival in people aged 50 years and over living with HIV and without HIV in Uganda: a prospective cohort study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joseph O Mugisha --- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, Uganda Enid J Schatz --- Department of Health Sciences, USA Christian Hansen --- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, Uganda Emily Leary --- Biostatistics and Research Design Unit, School of Medicine, USA Joel Negin --- School of Public Health, Australia Paul Kowal --- World Health Organization study on global AGEing and adult health, Switzerland Janet Seeley --- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, UgandaThis study examined the association between social engagement and survival in people with or without HIV aged 50 years and over in Uganda. We analysed two waves of a survey from two sites in Uganda to assess predictors of mortality... -
Social Semiotics – Key Figures, New Directions
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Liangtao Lai --- School of Foreign Languages, China -
Adolescent positive self, negative self: associated but dissociable?
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Tianyuan Ke --- , , USA Jia Wu --- , USA Cynthia J. Willner --- , USA Zachariah Brown --- , , USA Michael J. Crowley --- , USAAdolescence is a period of significant identity development and particular vulnerability to depression associated with negative self-evaluation. We investigated if increased depressive symptom severity was also associated with positive self-evaluation. We also considered pubertal developmental differences in positive and negative... -
Meki Emeka Nzewi at 80: a commemorative interview
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Christian Onyeji --- Department of Music, University of Nigeria, Nigeria Elizabeth Onyeji --- Department of Music, University of Nigeria, Nigeria -
A conceptual model of heritage dimensions and agrotourism: Perspective of Nandi County in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Belsoy Josphat Sawe --- Departmentof Hotel and Hospitality Management, School of Tourism Hospitality and Events Management, Kenya Damiannah Kieti --- Departmentof Hotel and Hospitality Management, School of Tourism Hospitality and Events Management, Kenya Bob Wishitemi --- Departmentof Hotel and Hospitality Management, School of Tourism Hospitality and Events Management, KenyaConceptual frameworks have previously been used to give a structure to research that essentially simplifies thinking and clarifies issues, while at the same time providing a common reference point. Agrotourism is fast emerging as a key player in the activation... -
Retention of festival volunteers: Management practices and volunteer motivation
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Diane Zievinger --- Stenden Hotel Management School, The Netherlands Frans Swint --- Stenden Hotel Management School, The NetherlandsMany volunteers in different festival organisations within the hospitality industry begin with great excitement, but slowly lose interest. This might be due to poor volunteer management practices that result in decreased motivation among volunteers, and with the consequences of them... -
Strategies and Technologies for Camel Milk Preservation and Utilization of Non-Marketed Milk in Arid and Semi-Arid Areas
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Jackline Akinyi Ogolla --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, Germany Christian Dede --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, Germany Michael Wandayi Okoth --- University of Nairobi. College of Agriculture and Veterinary Sciences. Department of Food Science, Nutrition and Technology, Kenya Oliver Hensel --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, Germany Barbara Sturm --- University of Kassel. Faculty of Organic Agriculture. Department of Agricultural & Bio- systems Engineering, GermanyThis study determined the seasonal fluctuations in camel milk yield, consumption, spoilage and spillages, and explored its forms of consumption and the acceptability of camel milk powder in Isiolo County, Kenya. In addition, the utilization of non-marketed milk, preservation technologies,... -
Seabird breeding populantions decrease along the arid coastline of South Africa’s Northern Cape province
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Robert JM Crawford --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Bruce M Dyer --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Louise Geldenhuys --- Northern Cape Department of Environment and Nature Conservation, South Africa W Herman Oosthuizen --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Azwianewi B Makhado --- Branch Oceans and Coasts, Department of Environmental Affairs, South AfricaNumbers of eight seabird species that have bred in coastal areas of South Africa’s arid Northern Cape province have all shown substantial decreases since initial estimates of their abundance were made in the latter part of the twentieth century. Likely... -
Why defaecate on your doorstep? Investigating an unusual behaviour in Africa’s smallest falcon
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Billi A Krochuk --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Diana Bolopo --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Anthony M Lowney --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Paul R Meyers --- Department of Molecular and Cell Biology, South Africa Claire N Spottiswoode --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Rajendra MG Raman --- Department of Zoology, UK Robert L Thomson --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaDepositing faeces at the nest should be expected to carry risks such as increased parasite loads and disease exposure. This perplexing behaviour is unusual in birds but is consistently shown by a handful of species, and has been demonstrated to... -
Genetic progress of spring wheat grain yield in various production regions 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 Willem Kilian --- Agricultural Research Council–Small Grain Institute, South Africa Learnmore Mwadzingeni --- Discipline of Plant Breeding, School of Agricultural, Earth and Environmental Sciences, South Africa Nondumiso Z Sosibo --- 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 AfricaSuccessful wheat production depends on several informed production decisions, including availing stable and high yielding cultivars. Periodic evaluation of the genetic gains in grain yield is a means of determining the effectiveness of current breeding efforts in increasing wheat productivity... -
On the sum of the total domination numbers of a digraph and its converse
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Guoliang Hao --- College of Science, P.R. China Jianguo Qian --- School of Mathematical Sciences, P.R. China Zhihong Xie --- College of Science, P.R. ChinaA vertex subset S of a digraph D is called a dominating set of D if every vertex not in S has an in-neighbor in S. A dominating set S of D is called a total dominating set of D... -
Strict and Mackey topologies and tight vector measures
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Marian Nowak --- Faculty of Mathematics, Computer Science and Econometrics, PolandLet B() denote the Banach algebra of all bounded Borel measurable complex functions defined on a topological Hausdorff space X, and Bo() stand for the ideal of B() consisting of all functions vanishing at infinity. Then B() is a faithful... -
Dosage of sugammadex according to the calculated lean body mass in obese female patients: time to reverse moderate neuromuscular blockade induced by rocuronium
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Cheik Tidiane Hafid Wind-Pouiré Bougouma --- Department of Anaesthesiology and Intensive Care, Burkina Faso Jean-Luc RJ Demeere --- Department of Anaesthesiology, BelgiumBackground: Sugammadex is a selective relaxant binding agent for antagonism of prolonged rocuronium-induced neuromuscular blockade. The recommended dose is 2 mg/kg. Based on the pharmacological characteristics of sugammadex in obese patients, the calculated lean body mass (CLBM) should be used to... -
An artificial inoculation protocol for Uromycladium acaciae, cause of a serious disease of Acacia mearnsii in southern Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Stuart Fraser --- Department of Plant and Soil Sciences, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, Faculty of Natural and Agricultural Sciences, South Africa Alistair R McTaggart --- Department of Plant and Soil Sciences, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, Faculty of Natural and Agricultural Sciences, South Africa Julian Moreno Chan --- Institute for Commercial Forestry Research, South Africa Thobile Nxumalo --- Institute for Commercial Forestry Research, South Africa Louise S Shuey --- Department of Genetics, Forestry and Agricultural Biotechnology Institute, Faculty of Natural and Agricultural Sciences, South Africa Michael J Wingfield --- Department of Plant and Soil Sciences, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, Faculty of Natural and Agricultural Sciences, South Africa Jolanda Roux --- Department of Plant and Soil Sciences, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, Faculty of Natural and Agricultural Sciences, South AfricaUromycladium acaciae is the cause of a severe wattle rust epidemic in plantations of Acacia mearnsii (black wattle) in southern Africa. Research on the biology of this damaging rust is assisting in the development of control strategies. One strategy under... -
The bionomics of whitegrub species (Coleoptera: Scarabaeidae) affecting commercial forestry re-establishment in representative areas of the South African summer-rainfall region
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Derian Echeverri-Molina --- Department of Biology, School of Science and Technology, Sefako Makgatho Health Sciences University, South Africa Prem Govender --- Research and Postgraduate Studies Directorate, Sefako Makgatho Health Sciences University, South AfricaSouth African commercial forestry plants mainly Eucalyptus, Pinus and Acacia species. Invertebrate pests play a significant role in the establishment phase of these exotic trees. Whitegrubs, in particular, are known to affect seedling survival during this period. Their pest status... -
Densities and population sizes of raptors in Uganda’s conservation areas
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Derek Pomeroy --- Department of Zoology, Uganda Micheal Kibuule --- Department of Zoology, Uganda Dianah Nalwanga --- NatureUganda, Uganda George Kaphu --- Uganda Wildlife Authority, Uganda Michael Opige --- NatureUganda, Uganda Phil Shaw --- School of Biology, UKProjected increases in Africa's human population over the next 40 years point to further, large-scale conversion of natural habitats into farmland, with far-reaching consequences for raptor species, some of which are now largely restricted to protected areas (PAs). To assess... -
Montane forest birds in winter: do they regularly move to lower altitudes? Observations from the Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa Patrick E Hulley --- Department of Zoology and Entomology, South AfricaSeasonal altitudinal migration to lower altitudes including the coast has been ascribed to a number of forest birds, of which 14 species occur at Fort Fordyce Reserve in the Eastern Cape, South Africa. Based on our observations and ringing at... -
Connectedness for lattice-valued subsets in lattice-valued convergence spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Qiu Jin --- Department of Mathematics, P.R. China Lingqiang Li --- Department of Mathematics, P.R. China Yanrui Lv --- Department of Mathematics, P.R. China Fangfang Zhao --- Department of Mathematics, P.R. China Juan Zou --- School of Mathematical Sciences, P.R. ChinaIn this paper, a connectedness in stratified L-generalized convergence spaces, is defined and discussed. This connectedness is different from Jäger’s connectedness, in particular, it is defined for L-subsets however Jäger’s connectedness is defined for crisp subsets. Thus this give a... -
The discourse of institutional change in the Zambian microfinance sector
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Juliana Siwale --- Nottingham Business School, UK Jonathan Kimmitt --- Newcastle University Business School, UK Bruce LamontThis paper investigates the discourse of key actors instigating institutional change in the Zambian microfinance sector. It draws from the institutional story of Zambia, which has experienced regulatory and legislative flux since drafting its first microfinance act in 2006. Building... -
The influence of phosphorus and calcium application rates on the mineral composition of the perennial legume Macrotyloma axillare
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Karina Batista --- Instituto de Zootecnia, Brazil Luciana Gerdes --- Instituto de Zootecnia, Brazil Alessandra Aparecida Giacomini --- Instituto de Zootecnia, Brazil Waldssimiler Teixeira de Mattos --- Instituto de Zootecnia, Brazil Ivani Pozar Otsuk --- Instituto de Zootecnia, BrazilThe response of legumes to the supply of either phosphorus (P) or calcium (Ca) alone has been extensively investigated but no prior studies have evaluated their combinations in the perennial legume Macrotyloma axillare (Macrotyloma legume). This study assessed the mineral... -
Hypogonadism and associated risk factors in male patients with type 2 diabetes mellitus attending the diabetic clinic of Tikur Anbessa Specialized Teaching Hospital, Addis Ababa, Ethiopia
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Sisay Teka --- College of Medicine and Health Sciences, Ethiopia Samuel Kinde --- College of Health Sciences, Addis Ababa University, Ethiopia Gobena Dedefo --- College of Health Sciences, Addis Ababa University, Ethiopia Kissi Mudi --- Ethiopian Public Health Institute, Ethiopia Getahun Tarekegn --- Tikur Anbesa Specialized Teaching Hospital, EthiopiaBackground: A high prevalence of hypogonadism among men with type 2 diabetes mellitus (T2DM) has been reported worldwide. This in turn creates a substantial public health burden in terms of inadequate sexual function and potential infertility. However, the status of... -
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, USAIn 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... -
Time-dependent volatility in futures contract options
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jilong Chen --- International Business School, School of Finance, China Christian Ewald --- University of Glasgow, UK Ali M. Kutan --- Business School, Department of Economics and Finance, USAThe Schwartz (1997) two-factor model is the benchmark model for pricing futures options, and the volatility is constant, which is similar to the Black-Scholes model. In this paper, we use a similar method which can make the Black-Scholes model be... -
Foreign direct investment flows and domestic investment in China: A multivariate time series analysis
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Usman Ali --- Faculty of Management and Economics, China Jian-Jun Wang --- Faculty of Management and Economics, China Veronica Patricia Yanez Morales --- Faculty of Management and Economics, China Meng-Meng Wang --- Darla Moore School of Business, USAThis paper explores the effects of inward and outward foreign direct investment (FDI) on domestic investment in China using annual time series data over the period of 1982–2016. The empirical analysis is performed using ARDL bound testing procedure and fully... -
Assessment of heavy metals in foods and adult dietary intake estimates
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Vincent O. Adimula --- Department of Industrial Chemistry, Nigeria Percy C. Onianwa --- Department of Chemistry, Nigeria Omolola Ilupeju --- Department of Chemistry, Nigeria Eric Ayom --- Department of Chemistry, Nigeria Alafara A. Baba --- Department of Industrial Chemistry, NigeriaLevels of some heavy metals were investigated in 114 snack samples consumed in Ibadan city, Nigeria. The concentrations of the selected metals were observed to range widely in the sampled food snacks: cadmium (0.004 to 0.892 mg/kg), cobalt (0.090 to 0.797 mg/kg),... -
Precipitation constructions in isiXhosa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Alexander Andrason --- Department of African Languages, South Africa Marianna Visser --- Department of African Languages, South AfricaDeveloped within the cross-linguistic framework of meteorological constructions formulated by Eriksen, Kittilä and Kolehmainen, the present article reviews and analyses manners of the encoding of precipitation events in isiXhosa (S 41). These include expressions of rain, hail, sleet, and snow... -
Zulu bird names: A progression over the decades (II) [Part two: The second hundred years, with Roberts, and Doke and Vilakazi]
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Adrian Koopman --- Faculty of Arts and Design, South AfricaPart One of this two-part series on the history of the recording of Zulu bird names covered the period of the first explorers in KwaZulu-Natal in the 1830s and went up to Samuelson’s 1923 dictionary. This second part begins with... -
Morphology of Zulu bird names: Old and new
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Adrian Koopman --- School of African Languages, South Africa Noleen Sheila Turner --- School of African Languages, South AfricaThis paper examines the various morphological mechanical processes in a list of Zulu bird names, which was compiled as a result of five bird name workshops conducted from 2013 to 2017. The final list comprised a number of old names... -
Portrayal of Yorùbá sociocultural heritage in the practice of the Kegite Movement in Nigerian tertiary institutions
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Hezekiah Olufemi Adeọṣun --- Department of Linguistics and Nigerian Languages, NigeriaA discourse on Yorùbá sociocultural heritage is an excavation of aspects of the people’s ingenuity in an attempt to conquer nature and create a peaceful social existence. An exemplary Yorùbá person should have good knowledge of his/her cultural past and... -
On the sum relation of multiple Hurwitz zeta functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Chan-Liang Chung --- College of Mathematics and Computer Science, ChinaIn this paper we shall define the special-valued multiple Hurwitz zeta functions, namely the multiple t-values t(α) and define similarly the multiple star t-values as t⋆(α). Then we consider the sum of all such multiple (star) t-values of fixed depth... -
A variance bound for a general function of independent noncommutative random variables
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohammad Sal Moslehian --- Department of Pure Mathematics, Center of Excellence in Analysis on Algebraic Structures (CEAAS), Iran Ali Talebi --- Department of Pure Mathematics, Center of Excellence in Analysis on Algebraic Structures (CEAAS), IranThe main purpose of this paper is to establish a noncommutative analogue of the Efron-Stein inequality, which bounds the variance of a general function of some independent random variables. Moreover, we state an operator version including random matrices, which extends... -
Job apathy and work engagement: Moderating influence of perceived leader integrity and spiritual intelligence in a Nigerian mass transit company
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- Department of Psychology, Faculty of Management and Social Sciences, Nigeria Ike E. Onyishi --- Department of Psychology, Faculty of the Social Sciences, Nigeria Okechukwu Ibiam Egwu --- Department of Political Science, Faculty of Management and Social Sciences, Nigeria Otu Otu Akanu --- Department of Political Science, Faculty of Management and Social Sciences, Nigeria Okechukwu Groupson --- Department of Political Science, Faculty of Management and Social Sciences, Nigeria Moses Agudiegwu --- Department of Political Science, Faculty of Management and Social Sciences, NigeriaThis study explored the direct and interactive roles of job apathy, perceived leader integrity, and spiritual intelligence on work engagement among 206 Nigerian employees of a leading mass transit company (females = 33%; mean age = 35.81years, SD = 5.04;... -
Morphological differentiation among populations of Sarotherodon melanotheron melanotheron Rüppell 1852 across the West African Lagoon systems (Benin, Cameroon, Nigeria, Togo)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MO Popoola --- Department of Zoology, Nigeria FDB Schedel --- SNSB-Bavarian State Collection Zoology, Germany MA Akintoye --- Department of Zoology, NigeriaMorphometric variation among populations of Sarotherodon melanotheron melanotheron across its natural range (Mahin, epe, Lekki, Apese, Kuramo, Lagos, Iyagbe, Ologe, Badagry, Yewa – Nigeria; Be Lagoon – Togo; Idenau – Cameroon, Aheme – Benin; Portonovo – Benin) were studied to... -
Mixed-effect non-linear modelling for diameter estimation along the stem of Tectona grandis in mid-western Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Luciano Rodrigo Lanssanova --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Sebastião do Amaral Machado --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, Brazil Alexandre Techy de Almeida Garrett --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Izabel Passos Bonete --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Allan Libanio Pelissari --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, Brazil Afonso Figueiredo Filho --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Franciele Alba da Silva --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, Brazil Lucas Dalmolin Ciarnoschi --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, BrazilThis study evaluated the efficiency of taper functions and the application of mixed-effect modelling for diameter estimation along the stems of Tectona grandis. We sampled 266 trees of Tectona grandis, measuring the diameter at relative heights for volume determination, grouping... -
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, ChinaForest 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... -
Modelling the effects of exposure to risk on junior faculty productivity incentives under the academic tenure system
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibrahim Niankara --- College of Business Administration, Abu Dhabi, United Arab EmiratesThis paper relies on modelling tools from probability theory and the economics of risk to analyze the ex-ante incentive properties of tenure from the perspective of junior faculty members. The theoretical results show that under publication value uncertainty and risk... -
Student’s perception of engineering design for competitiveness in Africa: The case of Tanzania, East Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lawrence Joseph Kerefu --- Department of Mechanical Engineering, Tanzania Juliana Zawadi Machuve --- Department of Mechanical and Industrial Engineering, TanzaniaEngineering is vital for addressing basic human needs, improving the quality of life and creating opportunities for sustainable prosperity at local, regional, national and global levels. However, Africa faces a shortage of engineers arising from the declining interest and enrolment... -
More than eating dirt: a review of avian geophagy
Item type: Journal Article • Journal: African Zoology • Authors: Colleen T Downs --- School of Life Sciences, South Africa Ian P Bredin --- School of Life Sciences, South Africa Peter D Wragg --- School of Life Sciences, South AfricaGeophagy, the ingestion of earth varying in particle size from stones to soils rich in clay, is a relatively widespread behaviour across avian taxa. We reviewed its occurrence in birds and its hypothesised adaptive functions in birds. Of the ∼30... -
Prevalence and correlates of truancy among in-school adolescents in Ghana: evidence from the 2012 Global School-based Student Health Survey
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Abdul-Aziz Seidu --- Department of Population and Health, Ghana Bright Opoku Ahinkorah --- The Australian Centre for Public and Population Health Research, Faculty of Health, Australia Eugene Kofuor Maafo Darteh --- Department of Population and Health, Ghana Louis Kobina Dadzie --- Department of Population and Health, Ghana Kwamena Sekyi Dickson --- Department of Population and Health, Ghana Hubert Amu --- Department of Population and Health, GhanaThis study examined the prevalence and correlates of truancy among adolescents in Ghana using the 2012 Global School-based Health Survey. A sample of 1 430 adolescents was used for the study. The prevalence of truancy was 31%. In the multivariate... -
Genetic diversity and population structure of Brachiaria brizantha (A.Rich.) Stapf accessions from Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Asheber Tegegn --- Ethiopian Institute of Agricultural Research, Ethiopia Martina Kyalo --- Biosciences Eastern and Central Africa–International Livestock Research Institute (BecA-ILRI) Hub, Kenya Collins Mutai --- Biosciences Eastern and Central Africa–International Livestock Research Institute (BecA-ILRI) Hub, Kenya Jean Hanson --- International Livestock Research Institute, Ethiopia Getnet Asefa --- Ethiopian Institute of Agricultural Research, Ethiopia Appolinaire Djikeng --- Biosciences Eastern and Central Africa–International Livestock Research Institute (BecA-ILRI) Hub, Kenya Sita Ghimire --- Biosciences Eastern and Central Africa–International Livestock Research Institute (BecA-ILRI) Hub, KenyaBrachiaria is a tropical, warm-season grass native to Africa. It is an extensively cultivated forage in the tropics with proven benefits on livestock productivity. Brachiaria is well-known for high biomass production, animal nutrition, carbon sequestration, biological nitrification inhibition, soil conservation,... -
Some inequalities for asymmetric Lp-mean zonoids
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Tian Li --- Department of Mathematics, China Weidong Wang --- Department of Mathematics, ChinaBased on the notion of Lp-mean zonoids which is introduced by Xi, Guo and Leng, we define the notion of asymmetric Lp-mean zonoids and establish its an affine inequality. Further, we give the extremal values for volume, quermassintegrals of this... -
/mu/ and mu-reduction in Nyakyusa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Bastian Persohn --- Department of Linguistics and Language Practice, South AfricaThis article discusses the sequence /mu/ in Nyakyusa. The absence of its degree 2-vowel counterpart /mʊ/ is discussed, which is analysed as the effect of a constraint against this specific sequence. This forms part of a larger series of peculiar... -
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 -
Beyond the ‘usual suspects’ – Alternative qualitative methods for innovation policy studies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nadja Nordling --- Faculty of Social Sciences, Finland Rhiannon Pugh --- Department of Human Geography, SwedenIn this paper we make three points about the current state and promising future directions of qualitative research in our field of innovation policy research. First, we argue that research design and methods are dealt with quite superficially in most... -
Seasonal variation of livestock feed resources in semi-arid and humid environments of Rwanda
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Mupenzi Mutimura --- University of KwaZulu-Natal, South Africa Cyprian Ebong --- Rwanda Agriculture Board (RAB), Rwanda Idupulapati M Rao --- International Centre for Tropical Agriculture (CIAT), Colombia Ignatius V Nsahlai --- University of KwaZulu-Natal, South AfricaIn most of sub-Saharan African countries, including Rwanda, the predominant agricultural production is from a mixed-crop-livestock farming system, because of small size land holding. The objective of this study was to assess the seasonal availability of livestock feed resources in... -
Effects of tobacco use on non-adherence to antiretroviral therapy among HIV-positive patients in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Thailand Diana Huis in ‘t Veld --- Department of Internal Medicine and Infectious Diseases, Belgium Karl Peltzer --- Department for Management of Science and Technology Development, VietnamThis study aimed to estimate the relationship between tobacco use and non-adherence to antiretroviral therapy (ART) in a South African sample. Participants were 1 963 HIV patients who attended a primary care clinic in Pretoria (female = 68.5%; black African... -
Aboveground biomass quantification and tree-level prediction models for the Brazilian subtropical Atlantic Forest
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Heitor Felippe Uller --- Departamento de Engenharia Florestal, Brazil Laio Zimermann Oliveira --- Departamento de Engenharia Florestal, Brazil Aline Renata Klitzke --- Departamento de Engenharia Florestal, Brazil Jackson Roberto Eleotério --- Departamento de Engenharia Florestal, Brazil Alfredo Celso Fantini --- Departamento de Fitotecnia, Brazil Alexander Christian Vibrans --- Departamento de Engenharia Florestal, BrazilForests are the largest biological reservoir of biomass and carbon on the planet. This fact turns them into the main tool to neutralise the CO2 emitted by human activities. Despite such importance, the uncertainties associated with biomass estimates in forests,... -
Effect of residue management and fertiliser application on the productivity of a Eucalyptus hybrid and Acacia mangium planted on sloping terrain in northern Vietnam
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Nguyen Van Bich --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Daniel Mendham --- CSIRO Land and Water, Australia Katherine J Evans --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Tran Lam Dong --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Vo Dai Hai --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Hoang Van Thanh --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Caroline L Mohammed --- Tasmanian Institute of Agriculture, University of Tasmania, AustraliaForest plantation growers in Vietnam commonly burn residues after harvesting and often apply suboptimal amounts of nutrients during plantation establishment. We examined whether the retention of forest residue, and application of phosphorus fertiliser at higher rates, can increase rates of... -
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, ChinaIn 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. -
Social media as a trigger for positive political action: The case of Ghana's fight against illegal small-scale mining (Galamsey)
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ebenezer Agbozo --- Department of Systems Analysis and Decision Making, Ural Federal University, Yekaterinburg, Russian Federation, Kamen Spassov --- Faculty of Mathematics and Informatics, Sofia University “St. Kliment Ohridski”, BulgariaA shift from social media being a medium of communication to being a voice of the people is underway. Nations have experienced a fair share of the use of social media in raising the awareness on certain cankers in society... -
Does R&D expenditure explain the stock market reaction to M&As? Evidence from the Chinese A-share market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Xin Xiang --- School of Business, China Xu He --- School of Finance & Investment, ChinaWe explore the impact of acquiring and acquired firms’ R&D expenditure on the market reaction to M&As. Using a sample of 9 739 Chinese M&A deals announced between 2009 and 2017, we find that acquired firms spending more on R&D... -
Husserl’s Phenomenology of Intersubjectivity: Historical Interpretations and Contemporary Applications
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Ian Rory Owen --- , United Kingdom -
The Role of Gender and Other Socioeconomic Factors in the Adoption of the Contagious Bovine Pleuropneumonia Vaccine: A Literature Review
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Elizabeth Waithanji --- Independent gender consultant, Salome Wanjira Kairu-Wanyoike --- Deputy Director Veterinary Services, Department of Livestock, Kenya Millicent Liani --- Centre for Capacity Research, United KingdomThis paper looks at the role of gender and other socioeconomic factors in the adoption of the contagious bovine pleuropneumonia (CBPP) vaccine in response to three research questions: What gender and socioeconomic factors affect the adoption of the CBPP vaccine?... -
Teaching Business Discourse
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Guangting Wu --- School of Foreign Studies, China Lianrui Yang --- School of Foreign Studies, ChinaBusiness discourse teaching has become one of the primary aspects of business discourse research due to its pedagogy-oriented tradition. The book under review, Teaching Business Discourse, is the first monograph that is dedicated to this important perspective in a systematic... -
Almost periodic solutions for a class of non-instantaneous impulsive differential equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ying Tian --- Department of Mathematics, P.R. China JinRong Wang --- Department of Mathematics, P.R. China Yong Zhou --- Department of Mathematics, P.R. ChinaThis paper is concerned with almost periodic solutions for nonlinear non-instantaneous impulsive differential equations with variable structure. With the help of the notation of non-instantaneous impulsive Cauchy matrix, mild sufficient conditions are derived to guarantee the existence, uniqueness of asymptotically... -
The ethics of selection quotas in South African sport
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Brian Penrose --- Department of Philosophy, South AfricaThis article explores and unpacks the public debate on the ethics of applying selection quotas to South African international sport sides to achieve transformation, with special attention to cricket and rugby, the Proteas and Springboks respectively. I claim that for... -
Growth and yield responses of two ginger species to different levels of nitrogen
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Auges Gatabazi --- Department of Plant and Soil Sciences, South Africa Diana Marais --- Department of Plant and Soil Sciences, South Africa J Martin Steyn --- Department of Plant and Soil Sciences, South Africa Hintsa T Araya --- Agricultural Research Council–Vegetable and Ornamental Plants, South Africa Salmina N Mokgehle --- Agricultural Research Council–Vegetable and Ornamental Plants, South AfricaNitrogen (N) is a critical determinant of plant growth and productivity, but there is limited information on the agronomic parameters of medicinal plants. Three levels of N fertiliser (0, 1.375 and 1.625 g plant−1) were used to investigate the effects... -
Diabetes-related knowledge, attitude and practices (KAP) of adult patients with type 2 diabetes mellitus in the Free State province, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Maretha le Roux --- Department of Nutrition and Dietetics, Faculty of Health Sciences, South Africa Corinna Walsh --- Department of Nutrition and Dietetics, Faculty of Health Sciences, South Africa Marianne Reid --- School of Nursing, Faculty of Health Sciences, South Africa Jacques Raubenheimer --- Department of Biostatistics, Faculty of Health Sciences, South AfricaIntroduction: Type 2 diabetes mellitus (T2DM) is a global health problem with high morbidity and mortality in patients who are mostly still economically active. The growing incidence and health implications for those affected make T2DM a major public health issue. -
Birders of Africa: History of a Network
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Glenn --- Department of Communication Science, South Africa -
Anthony John Tree (1937–2018)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Phil Whittington --- East London Museum, South Africa Adrian JFK Craig --- Department of Zoology and Entomology, South Africa -
The strongly invariant extending property for abelian groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Andrey R. Chekhlov --- Department of Mathematics, Russia Peter V. Danchev --- Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, BulgariaWe define three specific properties of abelian groups calling them strongly invariant extending property, intermediate fully invariant extending property and strongly intermediate fully invariant extending property. Some results concerning these concepts are proved as for the third one a complete... -
Global italian domination in graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Guoliang Hao --- College of Science, P.R. China Kangxiu Hu --- College of Science, P.R. China Shouliu Wei --- College of Mathematics and Data Science, P.R. China Zhijun Xu --- College of Science, P.R. ChinaAn Italian dominating function (IDF) on a graph G = (V, E) is a function f: V → {0, 1, 2} satisfying the condition that for every vertex v ∈ V (G) with f (v) = 0, either v is... -
Fostering entrepreneurship for innovation in African Banks’ subsidiaries
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Christian Wolf --- Policy Experimentation & Evaluation Platform, Portugal Dana T. Redford --- Policy Experimentation & Evaluation Platform, PortugalHow to keep the spirit and dynamics of an entrepreneurial venture alive as it evolves into a large institution? A small number of African-owned banks have risen from early entrepreneurial beginnings to large scale operations with subsidiaries in international markets... -
First report of Wolbachia from field populations of Culex mosquitoes in south-western Nigeria
Item type: Journal Article • Journal: African Zoology • Authors: Tosin Segun Ogunbiyi --- Redeemer’s University, Nigeria Philomena Eromon --- Redeemer’s University, Nigeria Paul Oluniyi --- Redeemer’s University, Nigeria Femi Ayoade --- Redeemer’s University, Nigeria Owoicho Oloche --- Redeemer’s University, Nigeria Judith Uche Oguzie --- Redeemer’s University, Nigeria Onikepe Folarin --- Redeemer’s University, Nigeria Christian Happi --- Redeemer’s University, Nigeria Isaac Komolafe --- Redeemer’s University, NigeriaRecent reports on finding Wolbachia-strain infections in field mosquito species in some West African countries and the potential for developing these as disease vector biocontrol tools have prompted a search for Wolbachia in mosquitoes within the study area. Using a... -
Integrating services for impact and sustainability: a proof-of-concept project in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: J Lyn Haskins --- Centre for Rural Health, South Africa Sifiso A Phakathi --- Centre for Rural Health, South Africa Merridy Grant --- Centre for Rural Health, South Africa Christiane M Horwood --- Centre for Rural Health, South AfricaBackground: Integration of services in primary health care settings can provide mother/baby pairs with all required services at one visit. This study aimed to evaluate a proof of concept, quality improvement (QI) intervention to strengthen well-child service provision and integration... -
Gender appropriateness of field days in knowledge generation and adoption of push-pull technology in eastern Africa
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: AW Murage --- Kenya Agricultural and Livestock Research Organization (KALRO), JO Pittchar --- International Centre of Insect Physiology and Ecology (ICIPE), Kenya CAO Midega --- International Centre of Insect Physiology and Ecology (ICIPE), Kenya CO Onyango --- Asian Vegetable Research and Development Centre (ADRDC), JA Pickett --- Rothamsted Research, United Kingdom ZR Khan --- International Centre of Insect Physiology and Ecology (ICIPE), KenyaAdoption studies have identified gender as one of the factors that determine technology uptake and this has been linked to women’s access to farming information or lack of it. Technology scaling up systems should utilise pathways that are compatible with... -
The use of nitrogen fertilisation for suppressing Mycosphaerella in Eucalyptus dunnii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Alexandre Techy de Almeida Garrett --- UNICENTRO, Brazil Luciano Rodrigo Lanssanova --- UNICENTRO, Brazil Mariane Bueno de Camargo --- Klabin SA, Brazil Andrea Nogueira Dias --- Department of Forest Engineering, Brazil Flávio Augusto de Oliveira Garcia --- Department of Forest Engineering, BrazilMycosphaerella leaf disease (MLD) is a pathogen of eucalypt plantations causing leaf spots and defoliation, and affecting growth. In this study, two different dosages of nitrogen fertilisation together with a control treatment currently used for two clones being affected by... -
Exploring indicators of subjective well-being for first-year university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bianca Botha --- WorkWell Research Unit, Faculty of Economic and Management Sciences, South Africa Karina Mostert --- WorkWell Research Unit, Faculty of Economic and Management Sciences, South Africa Melissa Jacobs --- WorkWell Research Unit, Faculty of Economic and Management Sciences, South AfricaThis study aimed to explore indicators of subjective well-being among first-year university students attending a South African university (N = 11; female = 6, black = 6, age range = 19 to 22). Participants shared their experiences of university life by participating in group sessions using the Mmogo... -
Relative impact of differences in job security on performance among local government employees: The moderation of affective commitments
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stephen Tetteh --- School of Management, Peoples Republic of China Cisheng Wu --- School of Management, Peoples Republic of China Lincoln Jisuvei Sungu --- School of Management, Peoples Republic of China Christian Narh Opata --- School of Management, Peoples Republic of China Gloria Nana Yaa Asirifua Agyapong --- School of Economics, Peoples Republic of ChinaWe investigated the relationship between public employees’ job security, motivation, and role performance; and how affective commitments moderate this relationship among local government service employees. Participants were 373 local government service employees from Ghana (females = 41.5%; mean service experience... -
HIV treatment support services in Tanzania: a cost and efficiency analysis at facility and community levels
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Steven Forsythe --- Avenir Health, United States of America Bryant Lee --- Palladium Group Inc., United States of America Kuki Tarimo --- Palladium Group Inc., United States of America Boniface Silvan --- Ministry of Health, Community Development, Gender, Elderly and Children, Tanzania Marianna Balampama --- Palladium Group Inc., United States of America Julie Chitty --- Palladium Group Inc., United States of America Sara Bowsky --- Palladium Group Inc., United States of AmericaDifferentiated service delivery models provide an opportunity to reduce the cost of HIV treatment while increasing the focus on advanced patients. Also, stable patients who need less attention can visit facilities less frequently, saving time and money and reducing overcrowding... -
Developing the Global Health Cost Consortium Unit Cost Study Repository for HIV and TB: methodology and lessons learned
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Willyanne DeCormier Plosky --- Avenir Health, USA Lori A Bollinger --- Avenir Health, USA Lily Alexander --- Department of Global Health, USA Drew B Cameron --- Department of Health Policy and Management, USA Lauren N Carroll --- Philip R Lee Institute for Health Policy Studies, USA Lucy Cunnama --- Health Economics Unit, South Africa Gabriela B Gomez --- Centre for Health Economics, London School of Hygiene and Tropical Medicine, United Kingdom Carol Levin --- Department of Global Health, USA Elliot Marseille --- Health Strategies International, USA Mohamed Mustafa Diab --- Philip R Lee Institute for Health Policy Studies, USA Mariana Siapka --- Centre for Health Economics, London School of Hygiene and Tropical Medicine, United Kingdom Edina Sinanovic --- Health Economics Unit, South Africa Anna Vassall --- Centre for Health Economics, London School of Hygiene and Tropical Medicine, United Kingdom James G Kahn --- Philip R Lee Institute for Health Policy Studies, USAConsistently defined, accurate, and easily accessible cost data are a valuable resource to inform efficiency analyses, budget preparation, and sustainability planning in global health. The Global Health Cost Consortium (GHCC) designed the Unit Cost Study Repository (UCSR) to be a... -
A reflective note: AJOM Inaugural Junior Faculty Fellowship
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Juliana M. Namada --- Chandaria School of Business, Kenya Carol Brunt --- Department of Management, USA Joshua Knapp --- Department of Management, USAIn recognizing the persistent publishing challenge among African-based scholars, the African Academy of Management (AFAM) and the Africa Journal of Management (AJOM) joined forces to explore various alternatives to address the challenge. The creation of the Junior Faculty Fellowship is... -
Passive and anticausative constructions: A new perspective to morphosyntax and lexical semantic interfaces
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Aurelia Mallya --- Department of Foreign Languages and Linguistics, Tanzania Marianna Visser --- Department of African Languages, South AfricaThere is a growing body of literature that recognises the relationship between verbal argument alternations such as passives and anticausatives. However, alternation types in Bantu languages have been treated in a rather fragmented way. In addition, the relationship between passive... -
New land, old claims and the politics of belonging during a changing agrarian situation in central Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Grasian Mkodzongi --- Tropical Africa Land and Natural Resources Research Institute, ZimbabweThis article examines the way discourses of autochthony and belonging were deployed by various groups of people to make claims over land during the implementation of Zimbabwe’s Fast Track Land Reform Programme (FTLRP) in 2000. Although the FTLRP was not... -
“Reproducing the social”: contradictory interconnections between land, cattle production and household relations in the Besters Land Reform Project, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Donna Hornby --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South AfricaLand redistribution policy in South Africa emphasises commercial farming as the legitimate use of land. This production-oriented framework fails to take into account the intertwined but unstable relationship between the production of market value and social reproduction, and how this... -
Shifting ‘stuckness’ in Parkinson’s disease: a music therapy case study
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Clorinda Panebianco --- School of the Arts, University of Pretoria and Arts Therapies at the School of the Arts, University of Pretoria, South Africa Carol Lotter --- School of the Arts, University of Pretoria and Arts Therapies at the School of the Arts, University of Pretoria, South AfricaPrior research has demonstrated the positive effect of music therapy for people with Parkinson’s disease, much of which is concerned with functional motor-related goals and their quantitative measurement. However, few studies qualitatively address details of the music therapy process itself... -
Nutritional values and chemical composition of tropical pastures as potential sources of α-tocopherol and condensed tannin
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jalise F Tontini --- Graduate Program in Animal Science, Agronomy College, Brazil Cesar HEC Poli --- Graduate Program in Animal Science, Agronomy College, Brazil Viviane S Hampel --- Graduate Program in Animal Science, Agronomy College, Brazil Alessandro P Minho --- Embrapa Southeast Livestock, Brazilian Agricultural Research Corporation, Ministry of Agriculture, Brazil James P Muir --- Texas AgriLife Research, USATropical pastures can be important natural sources of antioxidant compounds and may impact production and quality of animal protein with repercussions on human health. The objective of this study was to evaluate the concentrations of α-tocopherol, condensed tannin (CT) and... -
Influence of tillage, fertiliser regime and weeding frequency on germinable weed seed bank in a subhumid environment in Zimbabwe
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nilton Mashavakure --- School of Agricultural Sciences and Technology, Zimbabwe Arnold B Mashingaidze --- School of Agricultural Sciences and Technology, Zimbabwe Robert Musundire --- School of Agricultural Sciences and Technology, Zimbabwe Edson Gandiwa --- School of Wildlife, Ecology and Conservation, Zimbabwe Christian Thierfelder --- CIMMYT – International Maize and Wheat Improvement Centre, Southern Africa Regional Office, Zimbabwe Victor K Muposhi --- School of Wildlife, Ecology and Conservation, Zimbabwe Ezekia Svotwa --- School of Agricultural Sciences and Technology, ZimbabweMinimum tillage (MT) under conservation agriculture (CA), fertiliser application and weeding frequency influence weed seed-bank dynamics in cropping systems. A study was conducted at the Chinhoyi University of Technology farm, Zimbabwe during the 2014/15 and 2015/16 cropping seasons to investigate... -
The status and conservation of the Cape Gannet Morus capensis
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Richard B Sherley --- Environment and Sustainability Institute/Centre for Ecology and Conservation, United Kingdom Robert JM Crawford --- Department of Environment, Forestry and Fisheries (DEFF), South Africa Bruce M Dyer --- Department of Environment, Forestry and Fisheries (DEFF), South Africa Jessica Kemper --- African Penguin Conservation Project, Namibia Azwianewi B Makhado --- Department of Environment, Forestry and Fisheries (DEFF), South Africa Makhudu Masotla --- Department of Environment, Forestry and Fisheries (DEFF), South Africa Lorien Pichegru --- DST-NRF Centre of Excellence at the FitzPatrick Institute of African Ornithology, Department of Biological Sciences, South Africa Pierre A Pistorius --- DST-NRF Centre of Excellence at the FitzPatrick Institute of African Ornithology, Department of Biological Sciences, South Africa Jean-Paul Roux --- Ministry of Fisheries and Marine Resources, Namibia Peter G Ryan --- DST-NRF Centre of Excellence at the FitzPatrick Institute of African Ornithology, Department of Biological Sciences, South Africa Desmond Tom --- Ministry of Fisheries and Marine Resources, Namibia Leshia Upfold --- Department of Environment, Forestry and Fisheries (DEFF), South Africa Henning Winker --- Department of Environment, Forestry and Fisheries (DEFF), South AfricaThe Cape Gannet Morus capensis is one of several seabird species endemic to the Benguela upwelling ecosystem (BUS) but whose population has recently decreased, leading to an unfavourable IUCN Red List assessment. Application of ‘JARA’ (‘Just Another Red-List Assessment,’ a... -
Approximate symmetries, conservation laws and numerical solutions for a class of perturbed linear wave type system
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. Reza Hejazi --- , Iran Soleiman Hosseinpour --- , Iran Elham Lashkarian --- , IranThe present work considers the Lie group analysis of a system of linear wave type perturbed systems. The methodology is based on finding approximate symmetry operators of a given system. Approximate conservation laws are found via an approximate version of... -
Analysis of marketing efficiency of processed sardine products of Lake Victoria: Case of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Josephine Joseph Mkunda --- School of Business Studies and Humanities (BUSH), Department of Innovation, Technology Management & Entrepreneurship, Tanzania Jesper Lassen --- Department of Food Resource Economics, Denmark Bukaza Chachage --- Department of Leadership and Governance, Tanzania Lughano J.M. Kusiluka --- Mzumbe University, Tanzania Liliane Pasape --- School of Business Studies and Humanities (BUSH), Department of Innovation, Technology Management & Entrepreneurship, TanzaniaThe paper tested the marketing efficiency of Lake Victoria processed sardines using structure-performance and efficient-structure hypotheses and the influence of socioeconomic characteristics on marketing efficiency. Primary data was collected using structured questionnaires from randomly selected 249 respondents. The conceptual framework... -
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 AfricaThis 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... -
Transformational leadership and management safety practices: Their role in the relationship between work pressure and compliance with safety work behaviour in a health-care sector industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- Department of Psychology, Nigeria Adeline N. Idike --- Department of Political Science, Nigeria Okechukwu E. Ibiam --- Department of Political Science, Nigeria Francis A. Akwara --- Department of Political Science, Nigeria Cornelius O. Okorie --- Department of Political Science, NigeriaThis study examined both the direct and interactive effects on employee compliance to safety work behaviour of perceived work pressure, transformational leadership behaviour, and organisation management safety practices. Study participants were 208 nurses from public hospitals in South-eastern, Nigeria. The... -
Leader-member exchange and organisational citizenship behaviour: The mediating and moderating effects of role ambiguity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leigang Zhang --- School of Teacher Education, China Huaibin Jiang --- School of Education, China Tingting Jin --- Intensive Care Unit, Shaoxing People’ Hospital, ChinaThis study investigated the mediating and moderating effects of role ambiguity (RA) on the relationship between leader- member exchange (LMX) and organisational citizenship behaviour (OCB). Participants were 426 nurses recruited from 12 public hospitals in China (female = 99.1%; mean... -
Perceived organisational support, job stress, and turnover intention: The moderation of affective commitments
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stephen Tetteh --- School of Management, China Cisheng Wu --- School of Management, China Christian Narh Opata --- School of Management, Ghana Gloria Nana Yaa Asirifua Agyapong --- School of Economics, China Richard Amoako --- School of Management, China Frank Osei-Kusi --- School of Management, ChinaThe current study examined the role of affective commitment in the relationship between perceived organisational support (POS), job stress, and quitting intention of mining sector employees. The participants were 407 employees of a mining company in Ghana (females = 41.8%,... -
Are type 2 diabetic patients meeting targets? A Helen Joseph Hospital Diabetic Clinic Audit
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: S Bulbulia --- Division of Diabetes, Endocrinology and Metabolism, Helen Joseph Hospital, F Variava --- Physician, Netcare Pinehaven Hospital, South Africa Z Bayat --- Division of Diabetes, Endocrinology and Metabolism and Department of Internal Medicine, Helen Joseph Hospital,Background: The risk of complications from type 2 diabetes mellitus (T2DM) is high. Achieving targets reduces the morbidity and mortality. This study aims to assess whether patients at the Helen Joseph Hospital's Diabetic Clinic are meeting the 2012 SEMDSA targets... -
The diet of Malagasy dry forest understory birds based on faecal samples
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Manoa L Faliarivola --- Mention Zoologie et Biodiversité Animale, Domaine Sciences et Technologies, Madagascar Marie J Raherilalao --- Mention Zoologie et Biodiversité Animale, Domaine Sciences et Technologies, Madagascar Aristide Andrianarimisa --- Mention Zoologie et Biodiversité Animale, Domaine Sciences et Technologies, Madagascar Steven M Goodman --- Association Vahatra, MadagascarThis study provides data on the diet of understory birds living in the dry deciduous forests of western Madagascar. Samples were collected at three lowland localities: Ankarafantsika National Park in the northwest, the Kirindy forest (Menabe Antimena Protected Harmonious Landscape)... -
Taha taha taha: South African bird names across time, language and usage
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Koopman --- Faculty of Arts and Design, South Africa Eckhart Buchmann --- School of Clinical Medicine,Humans find birds important as food, symbols, competitors, and objects for amusement or study, and give names to different groups or species of bird. However, a single bird may have many names, likely related to different contexts. This article proposes... -
Intervention targets for people living with HIV and depressive symptoms in Botswana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Boitumelo Vavani --- Psychology Department, Botswana Vivian Kraaij --- Clinical Psychology, Netherlands Philip Spinhoven --- Clinical Psychology, Netherlands Kennedy Amone-P’Olak --- Department of Psychology, South Africa Nadia Garnefski --- Psychology Department, BotswanaBackground: The prevalence of HIV in Botswana is high. Many people living with HIV (PLWH) suffer from depressive symptoms and have inadequate coping skills. Most PLWH do not receive adequate psychological treatment. Empirically based interventions for PLWH with depressive symptoms... -
Limiting behavior of minimizers of p(x)-Ginzburg-Landau type
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yutian Lei --- Institute of Mathematics, School of Mathematical Sciences, ChinaThis paper is concerned with the asymptotic behavior of the radial minimizers of the p(x)-Ginzburg-Landau type functional. We prove the uniqueness of radial minimizers in the case of 1 < p(x) < 2. In addition, this unique minimizer can be... -
Name as a designate of culture in traditional and contemporary Yorùbá society of Nigeria
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: John Olubunmi Faloju --- Department of European Languages, Nigeria Opeyemi Yusuf Fadairo --- Department of Linguistics, African and Asian Studies, NigeriaNames are cultural indicators used to identify or designate a person or an object. There is an abundance of literature on the naming culture of the Yorùbá society. However, to the best of our knowledge, none of these works have... -
The impact of audio-lingual and TPR methods in teaching Igbo to L2 learners
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Kelvin Francis Olisaemeka Obitube --- Linguistics, Igbo and other Nigerian Languages, Boniface Monday Mbah --- Linguistics and Nigerian Languages, Olusanmi Babarinde --- Linguistics and Nigerian Languages,This study evaluates the value of the total physical response (TPR) method for teaching Igbo to L2 learners. Specifically, it evaluates which of these methods is more effective. It is quantitative research which adopts the experimental design. 100 students are... -
Reflecting on the life of Pamela Reynolds among the Tonga people of Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Lilian C. Siwila --- , South Africa -
Self-esteem and psychological capital: Their mediation of the relationship between Big Five personality traits and creativity in college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ming Hong --- Institute of Psychology, Belarus Dmitry G. Dyakov --- Institute of Psychology, Belarus Jianhong Zheng --- Department of Psychology, ChinaThis study examined self-esteem and psychological capital as a mediator of the relationship between Big Five personality traits and creativity. A convenience sample of 732 college students from Guangdong, Jiangsu, and Jiangxi provinces participated (females = 71.7%; mean age =... -
Xenopus laevis as UberXL for nematodes
Item type: Journal Article • Journal: African Zoology • Authors: Anneke L Schoeman --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, South Africa Tracy-Lee Joubert --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, South Africa Louis H du Preez --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, South Africa Roman Svitin --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, South AfricaThe effect of invasive species on local parasite dynamics is often overlooked. The African Clawed Frog Xenopus laevis (Daudin, 1802) (Anura: Pipidae) is a global invader, with established populations on four continents and is a domestic exotic in southern Africa... -
The charismatic praying mantid: A gateway for insect conservation
Item type: Journal Article • Journal: African Zoology • Authors: Bianca Greyvenstein --- Unit for Environmental Sciences and Management, South Africa Hannalene du Plessis --- Unit for Environmental Sciences and Management, South Africa Johnnie van den Berg --- Unit for Environmental Sciences and Management, South AfricaPraying mantids (Mantodea) are not only apex predators with a ‘mystical’ status, but are also regarded as a kind of oracle and, in some cultures, as omens associated with good or bad. In the future, the cultural, mystical and religious... -
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, AustraliaCoastal 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... -
Soil organic carbon in agricultural systems of six countries in East Africa – a literature review of status and carbon sequestration potential
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S Namirembe --- Stepup Standard Ltd., Uganda K Piikki --- Swedish University of Agricultural Sciences (SLU), Sweden R Sommer --- WWF Deutschland, Agriculture & Land Use Change, Germany M Söderström --- Swedish University of Agricultural Sciences (SLU), Sweden B Tessema --- Ethiopian Institute of Agricultural Research (EIAR), Ethiopia SS Nyawira --- International Center for Tropical Agriculture (CIAT), KenyaCropland soils are considered to have the potential to sequester atmospheric CO2 through agronomic best management practices (BMPs). To estimate this potential in East Africa, the authors reviewed 69 published studies from Ethiopia, Kenya, Rwanda, Tanzania, Uganda, and Burundi assessing... -
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 FasoIt 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... -
Genetic identification of freely traded synanthropic invasive murid rodents in pet shops in Gauteng Province, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Ndivhuwo Maligana --- , South Africa Rolanda S Julius --- , South Africa Tinyiko C Shivambu --- , South Africa Christian T Chimimba --- , South AfricaAlthough synanthropic invasive murid rodents are freely traded in pet shops in South Africa, their taxonomic identities, however, remain largely unknown. Twenty-four murid rodents were sampled from pet shops in four of the five municipalities in Gauteng Province, South Africa... -
Methods of storing cactus pear genotypes for animal feeding
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Chrislanne Barreira de Macêdo Carvalho --- , Brazil Ricardo Loiola Edvan --- , Brazil Keuven dos Santos Nascimento --- , Brazil Romilda Rodrigues do Nascimento --- , Brazil Leilson Rocha Bezerra --- , Brazil Darkle Luiza de Souza Jácome --- , Brazil Viviany Lúcia Fernandes dos Santos --- , Brazil Hermógenes Almeida de Santana Júnior --- , BrazilThe objective of this study was to evaluate storage methods of cactus pear as a way of conservation for use in animal feeding. The randomised experimental design composed twelve treatments and three replications. Three cactus pear genotypes, Nopalea cochenillifera genotype... -
Exploring the process of ethical leadership on organisational commitment: The mediating role of career calling
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leigang Zhang --- , China Huaibin Jiang --- , ChinaThis study aimed to examine the extent to which career calling mediates the relationship between ethical leadership and organisational commitment. The sample consisted of 943 employees randomly recruited from ten financial organisations in China (females = 39.87%; mean age =... -
Value co-creation effects on transaction cost, relational capital, and loyalty of hair salon customers: Results and implications of a Ghanaian study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wen Xiao --- , China Christian Narh Opata --- , China Stephen Tetteh --- , China Tettey-Wayo John Narh --- , Ghana Robert E. Hinson --- , GhanaThis study aimed to examine customer relational capital, transaction cost, and loyalty with value co-creation in the Ghanaian hair-dressing business sector. Participants were 455 female hair-dressing customers (mean age = 2.56 years, SD = 1.07 years, age range 22 to... -
Regional efficiency disparities in rural and community banks in Ghana: A data envelopment analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joy Say --- , China Hongjiang Zhao --- , China Francisca Sena Agbenyegah --- , Ghana Angela Abena Nusenu --- , China Evans Asante Boadi --- , China Samuel Morkporkpor Egbadewoe --- , USAThis study measured the level of rural and community banks’ (RCBs) efficiency in Ghana to ascertain whether there were regional disparities in the levels of efficiency using Charnes-Cooper-Rhodes (CCR) and Barker-Charnes-Cooper (BCC) models. We collected data from 127 banks over... -
Volunteerism influences on student resilience and gratitude
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ian I. Llenares --- , Philippines Jay A. Sario --- , Philippines Daisy Bialba --- , Philippines Joey M. Dela Cruz --- , PhilippinesWe assessed the relative impact of volunteerism on the resilience and gratitude of students based on participation. A convenience sample of 80 students (female = 53.75%; age range = 18-25 years) participated in the study, of which 38 (47.50%) had... -
Genetic control of diameter and bark percentage in spotted gum (Corymbia spp.): can we breed eucalypts with more wood and less bark?
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: João Gabriel Zanon Paludeto --- , Brazil David Bush --- , Australia Regiane Abjaud Estopa --- , Brazil Evandro Vagner Tambarussi --- , BrazilThis study aimed to estimate the genetic parameters of diameter at breast height over bark (DBHOB), bark percentage (Bark%) and the correlation between DBHOB and Bark% for Corymbia spp. Three independent trials were evaluated during this study: C. variegata (CV)... -
Pied Crows in the Eastern Cape: what bird club records reveal
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- , South Africa Patrick E Hulley --- , South AfricaPublished records by bird clubs in Port Elizabeth, Kenton-on-Sea and Grahamstown (Makhanda) show that until 1980 Pied Crows were seldom recorded in this sector of the Eastern Cape, South Africa. Port Elizabeth, and apparently also East London, was colonised by... -
Hugh Edward Haldane Paterson (1926–2019)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig --- , South Africa -
Patrick Elliott Hulley (1937–2020)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig --- , South Africa -
Applying a social-ecological lens to opinions about HIV self-testing among Kenyan truckers who declined to test: a qualitative study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Stephanie N Christian --- , USA Joanne E Mantell --- , USA Matthew L Romo --- , USA Christian Grov --- , USA Gavin George --- , South Africa Eva Mwai --- , Kenya Eston Nyaga --- , Kenya Jacob O Odhiambo --- , Kenya Kaymarlin Govender --- , South Africa Elizabeth A Kelvin --- , USAHIV prevalence among truckers in Africa is high and testing rates suboptimal. With numerous African countries having approved HIV self-testing kits, more information on how to design acceptable and accessible self-testing programs for high-risk populations is necessary. We explored views... -
Bourgain discretization using Lebesgue-Bochner spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mikhail I. Ostrovskii --- , USA Beata Randrianantoanina --- , USAWe study the Lebesgue-Bochner discretization property of Banach spaces Y , which ensures that the Bourgain discretization modulus for Y has a good lower estimate. We prove that there exist spaces that do not have the Lebesgue-Bochner discretization property, and... -
Strict topologies and spectral measures
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Marian Nowak --- , PolandLet X be a completely regular Hausdorff space. Then the space of all bounded continuous complex functions on X, equipped with the natural strict topology β is a locally convex algebra with the jointly continuous multiplication. Let be a barreled... -
A dwarf among giants: phylogenetic position of the elusive Angolan Adder (Bitis heraldica) and biogeographic affinities of Angolan Afromontane regions
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Luis MP Ceríaco --- Museu de História Natural e da Ciência da Universidade do Porto, Portugal Krystal A Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Mariana P Marques --- Research Center in Biodiversity and Genetic Resources (CIBIO), Research Network in Biodiversity and Evolutionary Biology (InBIO), University of Porto, Portugal Matthew P Heinicke --- Department of Natural Sciences, University of Michigan-Dearborn, USA Aaron M Bauer --- Department of Biology and Center for Biodiversity and Ecosystem Stewardship, Villanova University, USAThe Angolan Adder, Bitis heraldica (Bocage, 1889), is endemic to the Angolan central plateau and is one of the most poorly known and rarely observed species of African snakes. The phylogenetic placement of B. heraldica within the four subgenera of... -
Work beliefs, work-role fit, and well-being of judges in South Africa: Effects on intention to leave and organisational citizenship behaviour
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elsie Adriana Rossouw --- , South Africa Sebastiaan Rothmann --- , South AfricaThis study explored work beliefs, work-role fit, well-being, intention to leave, and organisational citizenship behaviour in a sample of judges in South Africa. We employed an exploratory, multi-method design to survey South African judges (n = 25 for the qualitative... -
Abusive supervision and work engagement in the Nigerian public service sector: Do strengths use, and promotion focus matter?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Adeline N. Idike --- , Nigeria Okechukwu Ibiam Egwu --- , Nigeria Fabian O. Ugwu --- , Nigeria Cornelius O. Okorie --- , Nigeria Francis A. Akwara --- , NigeriaThis study examined experiences of abuse and work engagement behaviours of general employees in the Nigerian public service sector. Cross-lagged survey data were collected from 219 workers (female = 57.3%; age range = 24 – 59 years, mean age =... -
Entrepreneurial passion, entrepreneurial expectation and entrepreneurial decision-making among college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rui Yi --- , China Bei Lyu --- , China Haojun Wang --- , China Wenxiang Huang --- , ChinaWe examined entrepreneurial passion influences on entrepreneurial decision-making, and entrepreneurial expectation among 427 Chinese college students (female = 49.41%; mean age = 20.85 years, SD = 1.13 years). The students completed surveys on entrepreneurial passion, entrepreneurial expectation, entrepreneurial ability, and... -
Rats and prions at Tristan da Cunha Island
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ben J Dilley --- , South Africa Delia Davies --- , South Africa Julian Repetto --- , United Kingdom (South Atlantic Ocean) George Swain --- , United Kingdom (South Atlantic Ocean) Peter G Ryan --- , South AfricaTristan da Cunha is a 96 km2 volcanic island in the South Atlantic Ocean. Black Rats Rattus rattus reached the island from a shipwreck in 1882 and their depredation of seabirds’ eggs and chicks are likely partly responsible for the... -
Exploring information and communication technology among rural dwellers in sub-Saharan African communities
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Naeem Atanda Balogun --- , Nigeria Fabian Aiterebhe Ehikhamenor --- , Nigeria Omenogo Veronica Mejabi --- , Nigeria Rafiat Ajibade Oyekunle --- , Nigeria Olayiwola Wasiu Bello --- , Nigeria Oluyinka Titilope Afolayan --- , NigeriaThe study used survey design and collected data using a questionnaire. Stratified random sampling was employed to identify 12 rural communities evenly spread across the three senatorial districts of Kwara State, Nigeria. From each community, 125 respondents were purposively sampled,... -
Engaging alumni entrepreneurs in the student entrepreneurship development process: A social network perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mingfeng Tang --- , People’s Republic of China Chen Yang --- , People’s Republic of China Angathevar Baskaran --- , Malaysia Jianwei Tan --- , People’s Republic of ChinaUsing the social network perspective and a case study of Chongqing Jiaotong University, this study analyzes the engagement of alumni entrepreneurs in the university student entrepreneurship development process in China. It employs primary data gathered through interviews of senior university... -
Children’s stress, negative emotions, emotional eating, and eating disorders: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yao-Teng Wu --- , Taiwan Der-Hsiang Huang --- , Taiwan Tai-Hao Hsu --- , Taiwan Fu-Yuan Hong --- , TaiwanThis study examined how comorbid anxiety and depression to eating disorders in children affect the relationship between stress in children and their emotional eating behaviours. We sampled 1 120 children from 60 public primary schools across Taiwan (female = 42.5%; age range = 11... -
Infinitely many solutions for impulsive fractional differential equations through variational methods
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dongdong Gao --- , P.R. China Jianli Li --- , P.R. ChinaIn this paper, we mainly consider the impulsive fractional differential equation. Under certain assumptions, some new criteria to guarantee the impulsive fractional impulsive fractional differential equation has infinitely many solutions are established. Moreover, we improve and extend some previous results. -
On irreducible representations of a certain subalgebra of extended Schrödinger-Virasoro Lie algebra
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jiancai Sun --- , China Yi Yu --- , ChinaWe study certain representations of Lie algebra , which is a subalgebra of extended Schrödinger-Virasoro Lie algebra. We prove the irreducibility of its certain representations. -
On a new generalized inverse for Hilbert space operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianlong Chen --- , China Dijana Mosić --- , Serbia Sanzhang Xu --- , ChinaUsing the Moore-Penrose inverse and the core-EP inverse, we define a new generalized inverse (called the MPCEP inverse) for a Hilbert space operator. Several equivalent conditions for a Hilbert space operator to be the MPCEP inverse are presented. We also... -
Influence of the soil on the spatial structure of forest species – preliminary results in a terra firme secondary forest plot, Amapá, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ronaldo Oliveira dos Santos --- , Brazil Robson Borges de Lima --- , Brazil Rubiene Neto Soares --- , Brazil Bruno de Souza Dantas --- , Brazil Adriano Castro de Brito --- , Brazil Michelle Vasconcelos Cordeiro --- , Brazil Jadson Coelho de Abreu --- , Brazil Breno Marques da Silva e Silva --- , BrazilIn recent years there has been increasing interest in the relationships between edaphic factors in tropical forests due to the complexity and the dynamic nature of plant interactions with the physical environment. This research sought to investigate the correlation of... -
Differences in soil microbial communities and enzyme activity due to the application of bioslurry under cultivation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Motiki M Mofokeng --- , South Africa Johan Habig --- , South Africa Stephen O. Amoo --- , South Africa Christian P du Plooy --- , South Africa Phatu W Mashela --- , South Africa Mokhele E Moeletsi --- , South Africa Sonja Venter --- , South Africa Hintsa T Araya --- , South AfricaSoil micro-organisms influence soil ecosystem processes and properties. Their influence can be modified by cultivation practices, which affect their interaction with cultivated plants as well as soil physical and chemical properties. The study investigated differences in soil microbial activities between... -
Almost Jordan homomorphisms on Fréchet algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M.R. Omidi --- , Iran B. Oulfatian --- , Iran A. Zivari-Kazempour --- , IranIn this paper we study the notation of almost Jordan homomorphism between Fréchet algebras. We show that if (A, (p n )) is a Fréchet algebra and T : A → ℂ is a almost Jordan homomorphism, then either... -
Distribution and abundance of African elephants in Ngorongoro Crater, northern Tanzania
Item type: Journal Article • Journal: African Zoology • Authors: John Kioko --- , Tanzania Alanna Horton --- , United States Margo Libre --- , United States Jennifer Vickers --- , United States Emma Dressel --- , United States Heather Kasey --- , United States Pastory M Ndegeya --- , Tanzania Donatus Gadiye --- , Tanzania Bernard Kissui --- , Tanzania Christian Kiffner --- , TanzaniaWe studied the distribution and abundance of African elephants in Ngorongoro Crater (NC), northern Tanzania to test whether male and female elephants select different habitats and to assess whether elephant abundance was related to monthly precipitation. From 2016 to 2017,... -
A Malagasy element in Continental Africa: a new subspecies of the rare Amauris nossima (Nymphalidae, Danainae) from the Kenyan coast
Item type: Journal Article • Journal: African Zoology • Authors: Tomasz W Pyrcz --- , Poland Steve Collins --- , Kenya Dorota Lachowska-Cierlik --- , Poland David C Lees --- , United Kingdom Szabolcs Sáfian --- , Hungary Klaudia Florczyk --- , PolandAmauris nossima Ward (Nymphalidae, Danainae) was known before this study only from Madagascar and the island of Mayotte, without clearly defined subspecies, but with five names considered invalid or infrasubspecific. It has generally been considered a rare species of butterfly... -
The reptiles of Tinhosa Grande islet (Gulf of Guinea): A taxonomic update and the role of Quaternary sea level fluctuations in their diversification
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Luis MP Ceríaco --- Universidade do Porto, Portugal Justin Bernstein --- Rutgers University-Newark, USA Ana C Sousa --- Universidade de Évora, Portuga Mariana P Marques --- Universidade de Lisboa, Portugal Aaron M Bauer --- Villanova University, USA Sietze J Norder --- Leiden University Centre for Linguistics, The NetherlandsThe reptile fauna of Tinhosa Grande islet, Gulf of Guinea, comprises an endemic skink, Trachylepis adamastor, and an unidentified species of gecko of the genus Hemidactylus. Until recently, no molecular data were available for either species, impeding their phylogenetic placement... -
Domination versus semipaired domination in trees
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wei Zhuang --- , P.R. China Guoliang Hao --- , P.R. ChinaIn this paper, we study a parameter that is a relaxation of an important domination parameter, namely the paired domination. A set D of vertices in G is a semipaired dominating set of G if it is a dominating set... -
Type of diabetes mellitus and health-related quality of life in Nigeria: Ethnic and sex differences
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Onyekachi Prince David --- , Denmark Graham Edgar --- , UK Dianne Catherwood --- , UK Abigail Olubola Taiwo --- , UKThis study examined quality of life (QoL) differences among diabetic patients in Nigeria by ethnicity, sex, and type of diabetes. Out-patients (n = 486) with diabetes mellitus (Type I = 16%; female = 71%; Igbo = 25% Hausa = 22%,... -
Perspectives of college students on the causes and prevention of suicide in Nigerian universities
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Diane Ezeh Aruah --- , Nigeria Onwuama Michael Emeka --- , Nigeria Virginia Obioma Eze --- , Nigeria Uche Uwaezuoke Okonkwo --- , Nigeria George Chibuike Agbo --- , NigeriaWe explored how university students make sense of suicide experience and prevention. Informants were 20 students attending a public university in Nigeria (females = 50%; age range = 19 to 46 years). The students completed a semi-structured interview on the... -
Primary ovarian neuroendocrine tumour arising in a benign mature cystic teratoma: a case report and literature review
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Reubina Wadee --- , South Africa Ian Beavon --- , South Africa Trudy Smith --- , Langanani Mbodi --- ,Primary ovarian neuroendocrine tumours are very uncommon tumours. Herein, we describe a case of 27-year-old female who presented with abdominal pain and an ovarian mass, for which she underwent a right salpingo-oophorectomy. Histopathological evaluation confirmed a right-sided primary ovarian neuroendocrine... -
Interdisciplinary Research Discourse: Corpus Investigations into Environment Journals
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Huayong Li --- , China Jianting Luo --- , China -
Innovation in Language Learning and Teaching: The Case of the Middle East and North Africa
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Hamzeh Moradi --- , China Jianbo Chen --- , China -
Linguistic formation patterns of anglicised traditional Yorùbá anthroponyms
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Augustina Ngozi Eze --- , Nigeria Sopuruchi Christian Aboh --- , Nigeria Deborah Ezinne Eze --- , NigeriaYorùbá personal names have been studied from different perspectives. A critical look at the linguistic processes involved in the anglicisation of Yorùbá personal names appears to be relatively unexplored. As such, this study explores linguistic formation patterns of anglicised traditional... -
Loss to follow-up among female sex workers in Zambia: findings from a five-year HIV-incidence cohort
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kalonde Malama --- , France Luis Sagaon-Teyssier --- , France Andréa Gosset --- , France Rachel Parker --- , USA Kristin M Wall --- , USA Amanda Tichacek --- , USA Tyronza Sharkey --- , Zambia William Kilembe --- , Zambia Mubiana Inambao --- , Zambia Matt A Price --- , USA Bruno Spire --- , France Susan Allen --- , USAHIV-incidence studies are used to identify at-risk populations for HIV-prevention trials and interventions, but loss to follow-up (LTFU) can bias results if participants who remain differ from those who drop out. We investigated the incidence of and factors associated with... -
Family functioning, coping strategy, and suicidal ideation among adolescents
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Chin Wen Cong --- , Malaysia Wu Shin Ling --- , Malaysia Mimi Fitriana --- , MalaysiaBackground and aim: Adolescent suicide has become a central issue around the world, including in Malaysia, which needs attention. The current study investigated the mediating effect of coping strategy in the association between family functioning and suicidal ideation among adolescents... -
Abigbo music and the ever-evolving present: processing indigenous music as an indicator of communal experience among the Mbaise, Igbo
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Christian Onyeji --- , Nigeria Elizabeth Onyeji --- , NigeriaThis paper on abigbo music of the Mbaise, Igbo argues that indigenous music could be processed beyond its value as a purveyor of historical facts to gain insights into the nature of experiences, trajectories, concerns, fears and projections of a... -
Barriers to the success of female leaders in the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Martina Deiana --- , the Netherlands Chiara Fabbri --- , the NetherlandsThis research analyses gender equality in the hospitality industry in the United Kingdom and Ireland. In particular, this quantitative study focuses on women who could potentially occupy a senior management position, and therefore the aim of this research is to... -
Assessment of genetic diversity in sorghum germplasm using agro-morphological traits
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Thulo Sejake --- , South Africa Nemera Shargie --- , South Africa Riann Christian --- , South Africa Toi Tsilo --- , South AfricaSorghum is one of the most important cereal crops grown in arid/semi-arid regions of the world. Despite its importance, sorghum production and productivity are constrained by the use of low yielding cultivars, which are susceptible to biotic and abiotic stresses... -
Physical properties of Tectona grandis (Lamiaceae) juvenile wood thermally modified in a closed system
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Natália A Cunha --- , Brazil Tiago A Gales --- , Brazil Amanda M Nunes --- , Brazil Glaucileide Ferreira --- , Brazil Thaís M Brito --- , Brazil Adriano Ribeiro de Mendonça --- , Brazil Djeison C Batista --- , BrazilThis paper reports the first results of the effect of an industrial closed-system thermal modification process on the physical properties of fast-growth teak wood (Tectona grandis L.f.). The wood (juvenile) came from thinning a 15–18-year-old plantation located in Mato Grosso... -
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 --- , BrazilIn 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,... -
The impact of a face-to-face peer-support intervention on adults with type 2 diabetes: a cluster-randomised trial
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Melanie Pienaar --- , South Africa Marianne Reid --- , South Africa Mariette Nel --- , South Africa -
Links between introduced fish and zooplanktonic and zoobenthic food sources in the food webs of two reservoirs of a semi-arid zone in Algeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Djezzar --- , Algeria JM Mortillaro --- , Madagascar SE Doumandji --- , Algeria T Meziane --- , FranceFew studies have focused on the trophic functioning of the reservoirs in Algeria. The study of the gut contents of fish species, as well as the analysis of the stable isotopes of 13C and 15N in the environment, were carried... -
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 ArabiaWe show that the only Fibonacci numbers that are concatenations of two repdigits are 13, 21, 34, 55, 89, 144, 233, 377. -
Does perceived chess skills mediate the relationship between fluid intelligence and academic performance?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qiyang Gao --- , People’s Republic of China Yayi Feng --- , People’s Republic of China Wei Chen --- , People’s Republic of China Xianjie Ping --- , People’s Republic of ChinaWe analysed the association between chess skills and academic performance in primary school students. Additionally, we tested the potential mediating effect of fluid intelligence on this association. The sample consisted of 255 primary school students (48.2% girls), aged between 10... -
Is a sensation a concept-involving object?
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Haiqiang Dai --- , ChinaIn the private language argument (PLA), Wittgenstein raises a paradox, namely that a sensation is not a something, but not a nothing either. McDowell argues that Wittgenstein unnecessarily eliminates inner sensations. By contrast, McDowell insists that sensations are perfectly good... -
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 --- , EthiopiaClimate 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... -
Population and breeding patterns of the pest rodent: Mastomys natalensis in a maize dominated agroecosystem in Lake Victoria crescent zone, Eastern Uganda
Item type: Journal Article • Journal: African Zoology • Authors: Alex Mayamba --- , Uganda Robert Modest Byamungu --- , Tanzania Herwig Leirs --- , Belgium Isabirye Moses --- , Uganda Rhodes H Makundi --- , Tanzania Didas N Kimaro --- , Tanzania Apia W Massawe --- , Tanzania David Kifumba --- , Uganda Alice Nakiyemba --- , Uganda Mshaka E Mdangi --- , Tanzania Brian E Isabirye --- , Kenya Loth S Mulungu --- , TanzaniaMultimammate mice (Mastomys natalensis) are a key rodent pest species to cereal crop production in Sub-Saharan Africa. This study aimed at generating information on the population fluctuation and breeding patterns of M. natalensis in a maize dominated agro-ecosystem in the... -
Total Roman domination in digraphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Guoliang Hao --- , P.R. China Wei Zhuang --- , P.R. China Kangxiu Hu --- , P.R. ChinaLet D be a finite and simple digraph with vertex set V (D). A Roman dominating function (RDF) on a digraph D is a function f : V (D) → {0, 1, 2} satisfying the condition that every vertex v... -
‘Who is this body?’ – A qualitative user study on ‘The Machine to be Another’ as a virtual embodiment system
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Jonathan Harth --- , Germany Maximilian Brücher --- , Germany Nele Kost --- , Germany Ann-Danielle Hartwig --- , Germany Bernhard Schäfermeyer --- , Germany Erwin Holkin --- , Germany Hanna Gottschalk --- , GermanyLike no other medium, virtual reality (VR) offers new possibilities to alter the perception of reality. These possibilities are mainly related to the feeling of presence in a virtual environment. With the VR performance ‘The Machine to be Another’ (TMTBA),... -
Urban birds in the Eastern Cape: local observations from Makhanda (Grahamstown) and future questions
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- , South Africa Patrick E Hulley --- , South Africa R Lorraine G Mullins --- , South AfricaIn Makhanda (Grahamstown), a non-industrial town with approximately 85 000 inhabitants, we have recorded 174 bird species within the urban area, of which 104 species are likely to breed regularly. The source habitats of these birds include all the surrounding... -
A psychobiographical study of Temujin’s (Genghis Khan) personality
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bao Xiaohong --- , China Dong Jia --- , China Zheng Jianhong --- , ChinaThis psychobiography study of Temujin employed the Personality Adjective Evaluation Scale, the Personality Adjective Classification Survey, and the Delphi method to characterise Temujin’s personality traits and probable influences. One hundred and thirty-two participants rated Temujin’s personality on 248 evaluation words,... -
Job insecurity and psychological well-being: The moderating roles of self-perceived employability and core self-evaluations
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- , Nigeria Victor C. Nwaosumba --- , Nigeria Emmanuella U. Anozie --- , Nigeria Chioma K. Ozurumba --- , Nigeria Chisom E. Ogbonnaya --- , Nigeria Francis A. Akwara --- , Nigeria Chinelo H. Ogwuche --- , Nigeria Okechukwu E. Ibiam --- , NigeriaThis study examined the relationship between job insecurity and psychological well-being of bank sector employees and the role of core self-evaluations and self-perceived employability in that relationship. Employing a two-wave panel design, we surveyed 259 casual employees of commercial banks... -
Value co-creation intention among consumers at the bottom of the pyramid: A study of rural and community banks in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Angela Abena Nusenu --- , China Wen Xiao --- , China Joy Say --- , China Christian Narh Opata --- , GhanaWe investigated the relationship between consumer satisfaction, trust in firm, interaction, and perceived service quality on value co-creation intention among rural and community bank consumers in Ghana. Participants were a purposive sample of 315 (female = 49. 52%; mean age... -
Calderón-Zygmund operators on Lipschitz spaces over RD spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hongliang Li --- , China Taotao Zheng --- , ChinaSuppose that (X, d, µ) is a metric measure space of homogeneous type in the sense of Coifman and Weiss with a reverse doubling condition. By establishing the Littlewood-Paley characterization of Lipschitz spaces, a density argument in the weak sense... -
Remarks on normal distributive nearlattices
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ismael Calomino --- , Argentina Luciano J. González --- , ArgentinaIn this paper, we present the notions of α-ideal and α-congruence on a distributive nearlattice. We prove that the α-ideals and α-congruences of a normal distributive lattice A are in a one-to-one correspondence with the ideals and congruences of the... -
Conservation Biology in Sub-Saharan Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Adrian M Shrader --- , South Africa -
The use of the ethnonym ‘Hottentot’ in the bird names ‘Hottentot Teal’ and ‘Hottentot Buttonquail’
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Koopman --- , -
Reflections concerning spurfowl and francolin species recommendations contained in Mandiwana-Neudani et al. (2019a and 2019b)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nigel Hunter --- , Kenya Don Turner --- , United Kingdom Nik Borrow --- , United Kingdom Brian Finch --- , Kenya Adam Scott Kennedy --- , United Kingdom Terry Stevenson --- , United Kingdom Neil Baker --- , United Republic of Tanzania Nigel Redman --- , United KingdomRecently, two papers by Mandiwana-Neudani et al. (2019a, 2019b) revisited the taxonomy of all Afrotropical spurfowl and francolins and proposed significant changes at the species level. A careful review of the papers suggests there are key deficiencies and inadequate explanations... -
Thyrotoxicosis secondary to thyroiditis following SARS-CoV-2 infection
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Ankia Coetzee --- , South Africa Raisa Bhikoo --- , South Africa Bianca Berndorfler --- , South Africa Wilhelmina Conradie --- , South Africa Jantjie J Taljaard --- , South Africa Marli Conradie-Smit --- , South AfricaSubacute thyroiditis is a granulomatous inflammatory disorder often triggered by a preceding viral infection. Patients typically present with complaints of anterior neck pain associated with a tender enlarged thyroid gland. The coronaviruses have never before been implicated in the aetiology... -
Generating integer polynomials from X 2 and X 3 using function composition: a study of subnearrings of (ℤ[X], +, ◦)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Erhard Aichinger --- , Austria Sebastian Kreinecker --- , AustriaWhich integer polynomials can we write down if the only exponent to be used is 3? Such problems can be considered as instances of the subnearring generation problem. We show that the nearring (ℤ[x], +, ◦) of integer polynomials, where... -
First record of the ant Pheidole megatron Fischer and Fisher, 2013 (Hymenoptera: Formicidae) from Rwanda
Item type: Journal Article • Journal: African Zoology • Authors: Venuste Nsengimana --- , Rwanda Ann Vanderheyden --- , Belgium Sophie Gombeer --- , Belgium Nathalie Smitz --- , Belgium Kenny Meganck --- , Belgium Marc De Meyer --- , Belgium Thierry Backeljau --- , Belgium Brian L Fisher --- , United States Wouter Dekoninck --- , BelgiumWe present the first record of the ant Pheidole megatron Fischer and Fisher, 2013 in Rwanda, a species thought to be endemic to the Malagasy region. Specimens were collected in July 2019, in one of the houses located at Kivumu,... -
The Routledge Handbook of Second Language Acquisition and Pragmatics
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Haijuan Yan --- , China Lianrui Yang --- , China -
The influence of self-identity on social support, loneliness, and internet addiction among Chinese college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ming Hong --- , Belarus Dmitry G. Dyakov --- , Belarus Jianhong Zheng --- , ChinaWe examined the mediating role of social support and loneliness in self-identity and internet addiction among college students. Participants were 364 Chinese college students (female = 66.50%; mean age = 20.21 years, SD = 1.51 years). The students completed the... -
Social anxiety, maladaptive cognition, mobile phone addiction, and perceived social support: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hui-Ling Zhou --- , China Huai-Bin Jiang --- , China Bin Zhang --- , China Han-Yu Liang --- , ChinaThis study tested the mediation effect of maladaptive cognition in the association between social anxiety and mobile phone addiction, and the moderating role of perceived social support in that relationship. A sample of 468 Chinese university students (female = 43.6%;... -
Taxonomic revision of the Jita snakes (Lamprophiidae: Boaedon) from São Tomé and Príncipe (Gulf of Guinea), with the description of a new species
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Luis MP Ceríaco --- Museu de História Natural e da Ciência da Universidade do Porto, Portugal Ana Lisette Arellano --- Golden Gate National Parks Conservancy, USA Robert C Jadin --- University of Wisconsin Stevens Point, Wisconsin, USA Mariana P Marques --- Universidade de Lisboa, Portugal Diogo Parrinha --- Universidade de Lisboa, Portugal Jakob Hallermann --- Universität Hamburg, GermanyThe taxonomic status of the São Tomé and Príncipe islands ‘Cobras Jitas’, genus Boaedon, has been a subject of confusion. Historically, these island populations have been referred to as part of either the Boaedon fuliginosus species complex or Boaedon capensis... -
Life in a child-headed household: Exploring the quality of life of orphans living in child-headed households in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kudzai Emma Chademana --- , South Africa Brian van Wyk --- , South AfricaThe overwhelming rate of HIV-related mortality in the past decades has eroded traditional safety nets for orphans, of which the extended family is the most critical. This has led to the formation of new household structures, i.e. child- and youth-headed... -
IsiZulu task-based syllabus for medical students: Grading and sequencing doctor-patient communication tasks
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Roshni Gokool --- , South Africa Marianna Visser --- , South AfricaThe task-based language teaching approach related to the second language learning process is a widely researched area across many global languages. Yet this approach is given scant attention in South African tertiary education. This study, therefore, explores an isiZulu task-based... -
Examining leadership preferences of working adults in Ghana, Kenya, and Zambia
Item type: Journal Article • Journal: Africa Journal of Management • Authors: W. Randy Evans --- , USA Romie Frederick Littrell --- , Russian Federation Nai H. Lamb --- , USA Bradley Kirkman --- , USADo traditional, gender-based expectations and widely disseminated notions of African culture apply to preferred leadership behaviors in African nations? This study examines leadership preferences of working adults in Ghana, Kenya, and Zambia using the Leader behavior Description Questionnaire-XII (LBDQXII), a... -
Influence of ego resilience on school adaptability among primary school lower-grade children
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ruiqian Li --- , China Xia Wu --- , China Zeming Jin --- , China Hui Zhou --- , China Yuan Meng --- , ChinaWe explored the association between primary school children’s ego resilience, failure tolerance, and adaptability in a Chinese school setting. The participants were 231 primary school children (female = 45.9%; from two-parent families = 81%, from single parent families = 19%;... -
Adult attachment: Its mediation role on childhood trauma and mobile phone addiction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Han-Yu Liang --- , China Bin Zhang --- , China Huai-Bin Jiang --- , China Hui-Ling Zhou --- , ChinaThis study aimed to examine the extent to which adult attachment mediates the relationship between childhood trauma and mobile phone addiction. The sample consisted of 263 Chinese college students in Fujian (female = 65.4%; mean age = 19.45 years, SD... -
A fortunate self-actualised man: A psycho-biographical study of Yuan Longping
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jianhong Zheng --- , Chaohong Ji --- , China Wu-Ming He --- ,To develop a psycho-biographical profile on Yuan Longping, a tireless hybrid rice research scientist, we performed a content analysis of personality adjectives. For dependability of the analysis, we utilised the methods of “prototypical scenes” and “key factors of growth”. Our... -
Why students want to provide feedback to their peers: Drivers of feedback quantity and variation by type of course
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zheng Zong --- , China Yanqing Wang --- , China Christian Dieter Schunn --- , USAWe researched students’ peer feedback motivation types and how the instructional context would influence feedback motivations. Participants were 138 undergraduate management majors (female = 41%; mean age = 20 years, SD = 0.5 years) taking a programming course in two... -
Translation and feminism in post-Islamic revolution Iran: A sociological approach
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ali Jalalian Daghigh --- , Malaysia Mohammad Sadegh Kenevisi --- , Iran Jariah Mohd Jan --- , MalaysiaWith the 1979 Islamic revolution in Iran, the pre-revolution secular modernisation process was interrupted and, as believed by the liberal activists, the Islamisation of rules and domination of political Islamic views in the society imposed restrictions on Iranian women. This... -
Expert writers’ structural outlines in research papers: An inquiry into social sciences
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Xianqing Luo --- , China Jason Miin-Hwa Lim --- , MalaysiaWhile novice writers are often expected to lucidly demonstrate the order in which different components of their reports are arranged, it is not clear as to whether such outlines are sufficiently prevalent in some social sciences. Neither are we certain... -
First report of the thick-tailed bushbaby (Otolemur crassicaudatus) being preyed upon by an endemic carnivore (Caracal caracal) in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: FP Cuozzo --- , South Africa A Halajian --- , South Africa ML Sauther --- , United States KM Rampedi --- , Hungary JB Millette --- , United StatesTo date, there have been few published reports of Caracal spp. (or other non-domestic carnivores) preying upon nocturnal strepsirrhine primates anywhere in continental Africa. However, in South Africa, most studies of caracal diet have been conducted outside of the known... -
Genetic diversity of improved genotypes of Tectona grandis in the state of Mato Grosso, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mariana de Moura Queiroz --- , Brazil Sidney Fernando Caldeira --- , Brazil Alexandre Magno Sebbenn --- , Brazil Daniele Aparecida Alvarenga Arriel --- , BrazilTeak (Tectona grandis) is a tree species native to South-east Asia and widely cultivated in Latin America. In Mato Grosso state, Brazil, teak is the second-most planted forest species due to its high productivity resulting from high adaptability to the... -
Predictions of chlorophyll concentrations in the leaves of seedlings of two congeneric tropical trees from RGB digital image components
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Marcelo Schramm Mielke --- , Brazil Luciana Santos Lobo --- , Brazil Geane Santos da Costa --- , Brazil Ana Cristina Schilling --- , Brazil Martielly Santana dos Santos --- , Brazil Ândrea Carla Dalmolin --- , BrazilThe segmentation of digital images in red, green and blue (RGB) components is a low-cost method for monitoring leaf chlorophyll concentrations and seedling quality. The two congeneric species, Cariniana legalis and C. estrellensis, are distinguished based on differences in bark... -
Employee followership predispositions: Their perceptions of narcissistic traits in supervisors
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jianjia He --- , China Shengmin Liu --- , China Jianbo Liu --- , China Thi Hoai Thuong Mai --- , ChinaWe investigated the relationship between employee perceptions of narcissistic supervision and employee followership. Further, we investigated the influences of employee proactive personality, self-efficacy, political skill, and team political climate on said relationship. Data were from 383 employees of a large... -
Growth and yield of African ginger in response to application of organic fertiliser
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Phomolo Maphothoma --- , Riana Kleynhans --- , Gerhard Prinsloo --- , Salmina N Mokgehle --- , Ian du Plooy --- , Hintsa T Araya --- ,African ginger (Siphonochilus aethiopicus) is in high demand for medicinal use. The plant does not multiply after being harvested, as it is destroyed in the process. The species is now facing extinction as a result of over harvesting. In order... -
Retrospective review of 37.4 Gy in 11 fractions for the palliation of advanced cervical cancer
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Andriani K Morphis --- , South Africa Hildah Napo --- , South Africa Gina Joubert --- , South Africa -
Pseudo core inverses of a sum of morphisms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianlong Chen --- , China Wende Li --- , China Mengmeng Zhou --- , ChinaLet be an additive category with an involution ∗. Suppose that both ϕ : X → X is a morphism of with pseudo core inverse ϕ and η : X → X is a morphism of such that... -
Permanence for Leslie-Gower predator-prey system with feedback controls on time scales
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zhouhong Li --- , China Tianwei Zhang --- , ChinaA novel feedback control of Leslie-Gower system on time scales is proposed in this paper. By using the time scale calculus theory, the permanence of the model is studied. Further, the influences of the feedback controls on the upper and... -
Examining the dominant models and theories of international staffing policies and practices through the lenses of the African context and Chinese multinational construction enterprises in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Aminu Mamman --- , Qian Wen --- ,International staffing policies and practices of Chinese enterprises in Africa have given rise to a number of observations, critical comments, empirical support and rebuttals. One of the areas of research and critique has been the implications of the staffing policies... -
The interplay between interpersonal relationships and organisational learning behaviour: Influences of psychological safety
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Emenike N. Anyaegbunam --- , Nigeria Izuchukwu L. G. Ndukaihe --- , Nigeria Onyinye A. Nwankwo --- , Nigeria Fabian O. Ugwu --- , NigeriaThis study examined the association between interpersonal relationships and organisation learning behaviour among new employees; as well as the influence of psychological safety on that relationship. Participants were 1 500 newly recruited university employees (females = 41.66%; mean age =... -
How abusive supervision affects unethical pro-organisational behaviour: A moderated mediation examination of exchange and proactive personality
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wang --- , China Gangqiang Wang --- , China Guoqin Liu --- , China Yalin Chu --- , China Li Zhou --- , ChinaIn this study, we examined how abusive supervision would be associated with unethical pro-organisational behaviour (UPB). Using a time-lag study design, we collect a sample of 322 working adults from a large bank in the south-west of China (female =... -
Personality influences on ethical, servant, and authentic leadership: A meta-analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xinqi Lin --- , China Yuxiang Luan --- , China Guolong Zhao --- , ChinaThis meta-analysis aimed to determine the trends in the evidence on the personality influences on three emerging forms of positive leadership: ethical leadership (EL), servant leadership (SL), and authentic leadership (AL). Following a search of PsycINFO, EBSCO, Web of Science,... -
Cumulative risk and school bullying experiences: Effects of moral disengagement and gender
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huai-Bin Jiang --- , China Hui-Ling Zhou --- , China Bin Zhang --- , China Han-Yu Liang --- , China Jing-Jing Lian --- , China Yang-Yu Zhang --- , ChinaWe examined the mediation effect of moral disengagement in the association between children’s cumulative risk and high experience of school bullying. Additionally, we determined whether this mediating process was moderated by gender. A sample of 509 Chinese adolescent school students... -
Agenda-setting through topic shift in Tanzanian parliamentary debate: The derailment of strategic manoeuvring
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Brighton Msagalla --- , Tanzania Marianna Visser --- , South AfricaThis article examines a specific attempt of agenda-setting which is realised by topic shift in the confrontation stage of a critical discussion as an MP introduces a ‘new agenda’ of discussion in an institutional context of the Tanzanian parliamentary debate... -
Smuggling in Syntax
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Fuqiang Li --- , China -
Barriers, benefits, and behaviour: Voluntary medical male circumcision ideation in a population-based sample of Zambian men
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joseph G Rosen --- , USA Maria A Carrasco --- , USA Ariana M Traub --- , USA E ‘Kuor Kumoji --- , USAReaching ambitious voluntary medical male circumcision (VMMC) coverage targets requires a deeper understanding of the multifaceted processes shaping men’s willingness to access VMMC. Guided by the Ideation Model for Health Communication, this population-based study identifies correlates of Zambian men’s future... -
A behavioural and HIV serological survey among detainees of Ankazondrano jail in Fianarantsoa, Madagascar
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jocia Fenomanana --- , Madagascar Fidiniaina Mamy Randriatsarafara --- , Madagascar Fabien Florian Ranampy --- , Madagascar Zely Arivelo Randriamanantany --- , MadagascarAims: The prevalence of HIV in the general population of Madagascar is 0.3%. Some population groups, especially detainees are vulnerable to this infection. Our study was the first combined HIV survey of the detainees of Ankazondrano jail in Fianarantsoa. The... -
The value of volunteers in tourism and events: A leadership perspective
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Henrik Sølvbjerg Pahus --- , Denmark Simon Lind Fischer --- , Denmark Bianca Bradescu --- , DenmarkThis article is part of a three-year research project on volunteerism and the value for organisations employing volunteers, volunteers themselves and finally the tourists who meet the volunteers in various settings. Employing a mixed methods approach, we conducted a mutual... -
Fire associated exertion myopathy as a mechanism contributing to mortality in Chamaesaura macrolepis (Cope 1862)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: PR Jordaan --- Scientific Technician, JCA Steyl --- University of Pretoria,Following a fire event, an abnormally high number of Chamaesaura macrolepis (Cope 1862) road mortalities were observed on two sections of tar road south of Maputo Special Reserve, Maputo Province, Mozambique. Although most specimens were driven over by vehicles, three... -
Embodied resilience: A phenomenological perspective
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Eric Elbers --- , the Netherlands Vivianne Baur --- , the Netherlands Babet te Winkel --- , the Netherlands Joachim Duyndam --- , the NetherlandsBackground: From a phenomenological perspective, our body is the “from-which” we face the world. Vice versa, our body is affected by occurrences in our surroundings. Embodied resilience is understood as a quality of the dynamic relationships between our affected body... -
Recasting the ontological foundation of ubuntu: Addressing the problem of gender-based violence in South Africa
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: John Sodiq Sanni --- , South Africa Diana Ekor Ofana --- , South AfricaThis article addresses the persistent reality of gender-based violence in South Africa. It does this by approaching the issue of gender from the African philosophical position of ubuntu. The concept of ubuntu is one that is readily used by most... -
Reproductive biology of the lesser African threadfin Galeoides decadactylus in Gabon, Gulf of Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J-D Mbega --- , Gabon O Sadio --- , Senegal J-F Liwouwou --- , Gabon J-H Mvé Beh --- , Gabon I Bamba --- , Gabon A Eleng Spanian --- , Gabon M-L Yedi --- , Gabon F Cardiec --- , France F Le Loc’h --- , FranceThe lesser African threadfin Galeoides decadactylus (family Polynemidae) is one of the most captured marine fish species in Central Africa. This study examines aspects of the reproductive biology of G. decadactylus in the Libreville area of Gabon. Fish caught with... -
Timing, duration and symmetry of moult in Cape Gannets
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Oluwadunsin E Adekola --- , South Africa Robert JM Crawford --- , South Africa Bruce M Dyer --- , South Africa Azwianewi B Makhado --- , South Africa Leshia Upfold --- , South Africa Peter G Ryan --- , South AfricaLittle has been reported on moult in sulids, including gannets. The Cape Gannet Morus capensis is an endangered seabird endemic to southern Africa. We describe the timing, duration, symmetry and sequence of flight feather moult in Cape Gannets from two... -
Diet of a Maghreb Owl pair Strix mauritanica (Witherby, 1905) in an urban environment (Rabat City, Morocco)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sidi Imad Cherkaoui --- , Morocco Abdeslam Rihane --- , Morocco Brahim Chergui El Hemiani --- , MoroccoA pair of the Northwest African endemic Maghreb Owl Strix mauritanica (Witherby, 1905) located in a coastal urban environment of the Moroccan capital, Rabat, was monitored for the first time over two consecutive breeding seasons, in 2020 and 2021, respectively... -
Biderivations and linear commuting maps on the restricted contact Lie algebras K(n;
) Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yuan Chang --- , China Liangyun Chen --- , China Xin Zhou --- , ChinaLet K be the restricted contact Lie algebras K(n, ) over an algebraically closed field F of characteristic p > 3. We prove that each skew-symmetric biderivation of K is inner and show that commuting maps on K are scalar... -
On a type of superlinear growth variational problems
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zhi Wang --- , P.R. China Xiangfeng Yang --- , SwedenIn this note, we propose an elementary method to study the existence and uniqueness of solutions to a type of variational problems which arise naturally in the theory of large deviations. This type of problems involves a movable boundary and... -
On Rall's 1/2-conjecture on the domination game
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Csilla Bujtás --- , Slovenia Vesna Iršič --- , Slovenia Sandi Klavžar --- , Slovenia Kexiang Xu --- , P.R. ChinaThe 1/2-conjecture on the domination game asserts that if G is a traceable graph, then the game domination number γg (G) of G is at most A traceable graph is a 1/2-graph if holds. It is proved that the so-called... -
Public and private investments for banana Xanthomonas Wilt control in Uganda: The economic feasibility for smallholder farmers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Elisabetta Gotor --- , Italy Viola Di Cori --- , Italy Tiziana Pagnani --- , Italy Enoch Kikulwe --- , Uganda Marta Kozicka --- , Italy Francesco Caracciolo --- , ItalyBanana Xanthomonas Wilt (BXW) poses a serious threat to livelihoods and food security for millions of households in Africa. Despite considerable investments in Uganda by the Government and other national and international stakeholders, the disease persists in the country after... -
The collaborative work experience of robotics and human workers in the automobile industry in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bianca Ifeoma Chigbu --- , South Africa Fhulu Hastings Nekhwevha --- , South AfricaThrough the lens of the evolutionary economic theory, this study aimed to investigate what drives the implementation of technologies in the South African automobile industry and to understand the experiences employees have had with the introduction of technologies to the... -
On the p -regular G-conjugacy classes with sizes 1 or minimal
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xianhe Zhao --- , P.R. China Yanyan Zhou --- , P.R. China Ruifang Chen --- , P.R. China Qin Huang --- , P.R. ChinaLet N be a p-solvable normal subgroup of a finite group G, and Np′ be a p′ -Hall subgroup of N . If x is an element of G, then the conjugacy class size |xG| = |G : CG(x)|. Obviously,... -
Sustainability and global value chains in Africa: Introduction to the Special Issue
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Joerg S. Hofstetter --- , France Anita M. McGahan --- , Canada Brian S. Silverman --- , Canada Baniyelme D. Zoogah --- , CanadaThe challenges and opportunities facing African organizations reflect a long history of tensions, tragedies, triumphs, and accomplishments in relationships across continental boundaries. For example, Africa has long been a source of critical minerals and other raw materials that are integral... -
Energy properties of Eucalyptus benthamii wood based on tree age and region in Guarapuava, Paraná state, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cristiane Carla Benin --- , Brazil Danielle de Moraes Lúcio --- , Brazil Luciano Farinha Watzlawick --- , Brazil Vanderlei Aparecido de Lima --- , BrazilThis study aimed to evaluate the properties of Eucalyptus benthamii wood for bioenergy purposes. Trees were sampled in five diametric classes and used to evaluate properties of the wood according to three ages (5, 6 and 7 years) in three... -
Machine learning techniques to estimate mechanised forest cutting productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Saulo Boldrini Gonçalves --- , Brazil Nilton Cesar Fiedler --- , Brazil Jeferson Pereira Martins Silva --- , Brazil Gilson Fernandes da Silva --- , Brazil Mayra Luiza Marques da Silva --- , Brazil Luciano José Minette --- , Brazil Daniel Pena Pereira --- , Brazil Domingos Manuel Mendes Lopes --- , Portugal Evandro Ferreira da Silva --- , Brazil Antônio Henrique Cordeiro Ramalho --- , Brazil Jeangelis Silva Santos --- , Brazil Marcelo Otone Aguiar --- , Brazil Jose de Oliveira Melo Neto --- , Brazil Renisson Neponuceno de Araújo Filho --- , BrazilThe productivity of wood harvesting operations is one of the main viability indicators of the forestry enterprise, which is directly influenced by land, population, and operational planning characteristics. The variables that affect the productivity of harvesting machines are particularly difficult... -
Endogenous metabolic content of the cutting positions and ndole-3-butyric acid influence rooting of Toona ciliata var. pubescens stem cuttings
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Qiangqiang Cheng --- , China Dejia Ji --- , China Xiaoyan Guo --- , China Honglang Huang --- , China Lu Zhang --- , ChinaToona ciliata var. pubescens (family Meliaceae) is an endangered species of mahogany endemic to China. It is now under Class II protection, and stem cuttings are an important means for its clonal propagation. However, the metabolic changes that occur in... -
Machine learning and regression models to predict multiple tree stem volumes for teak
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ivaldo da Silva Tavares Júnior --- , Brazil Jianne Rafaela Mazzini de Souza --- , Brazil Lucas Sérgio de Sousa Lopes --- , Brazil Leonardo Pereira Fardin --- , Brazil Gianmarco Goycochea Casas --- , Brazil Ricardo Rodrigues de Oliveira Neto --- , Brazil Rodrigo Vieira Leite --- , Brazil Helio Garcia Leite --- , BrazilThe quantification of a stand’s wood stock is one of the most important procedures for Tectona spp. (teak) management. An optimal method for estimating tree volume must accommodate the variation of the data collected in the inventory. This study evaluated... -
Artificial light improves productivity of mini-cuttings in a clonal minigarden of Eucalyptus benthamii and E. dunnii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Enéas Ricardo Konzen --- , Brazil Natália Saudade de Aguiar --- , Brazil Marcio Carlos Navroski --- , Brazil Clenilso Sehnen Mota --- , Brazil Leticia Miranda --- , Brazil Regiane Abjaud Estopa --- , Brazil Erasmo Luis Tonett --- , Brazil Mariane de Oliveira Pereira --- , BrazilEucalypts are economically important worldwide, being largely propagated by clonal means, that is, frequently achieved by mini-cuttings. Regional climatic conditions, however, interfere with this strategy. Southern Brazil, especially in higher altitudes, has a considerable number of cloudy and cold days... -
Ecology of fire-dependent ecosystems: wildland fire science, policy and management
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Brian W van Wilgen --- , South Africa -
Developmental and Clinical Pragmatics
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Yongxiang Yang --- , China Shaopeng Li --- , China -
Screening for overweight using mid-upper arm circumference (MUAC) among children younger than two years in the Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Shawn McLaren --- , South Africa Liana Steenkamp --- , South Africa H David McCarthy --- , South Africa Alexandra Rutishauser-Perera --- , United KingdomBackground: The relationship between overweight and under-nutrition, particularly in resource-poor settings, poses practical challenges for targeting nutrition interventions. Current anthropometric indicators including weight for length (WLZ) recommended by the WHO may be challenging in community settings. -
Psychological empowerment and professional well-being of Chinese kindergarten teachers: The mediating effect of professional pressure
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanyan Liu --- , China Ruiqian Li --- , China Zeming Jin --- , China Xia Wu --- , China Wenyi Wang --- , ChinaWe examined the relationship between teachers’ psychological empowerment and professional well-being, and the mediating effect of professional pressure thereon. The participants were female Chinese kindergarten teachers (n = 225; mean age = 26.79 years; SD = 5.78 years). The minority... -
Stimulating employee job crafting by providing developmental feedback
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yun Guo --- , China Guobao Xiong --- , China Jianqiao Liao --- , ChinaIn recent years, job crafting has been an important topic in human resource management and has become an important issue to address with the rapid development in social economy. We utilised hierarchical linear regression analysis to test the moderating role... -
Business organisation performance behaviour indicators in Ghana and Kenya: A comparative analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Solomon Abugre Anafo --- , China Yixiang Tian --- , China Bright Nana Kwame Ahia --- , ChinaWe examined business organisation performance indicators across two African countries (Ghana and Kenya) with diverse and volatile economic variables. Utilising secondary data from 2007 to 2017, we applied fixed-effect panel regression to predict profitability indicators from business operations. Our findings... -
Smallholder farmers’ adaptation strategies to mitigate the effect of drought on maize production in OR Tambo District municipality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Brian Muroyiwa --- , Lesotho Nasiphi Masinda --- , South Africa Abyssinia Mushunje --- , South AfricaThere is evidence that climate variability has affected agriculture and the expectation is that the situation will get worse over time. This study examined smallholder farmers’ adaptation strategies to mitigate the effects of drought on maize production in OR Tambo... -
The non-trivial concept of truth in Richard Kirkham’s Theories of truth: a critical introduction
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Artyom E. Ukhov --- , Russian Federation Eleonora G. Simonyan --- , Russian Federation Eduard L. Kovrov --- , Russian Federation -
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 AfricaThis 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... -
Extrapolation of operator-valued multiplication operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Christian Budde --- , South Africa Retha Heymann --- , South AfricaWe study the construction of extrapolation spaces of operator-valued multiplication operators on Bochner L p -spaces by means of L p -fiber spaces. -
Could transformational leadership predict employee voice behaviour? Evidence from a meta-analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Guolong Zhao --- , China Yuxiang Luan --- , ChinaEmployee voice behaviour is a crucial form of social capital for business organisations. This meta-analysis aimed to clarify the relationship between transformational leadership and voice behaviour. A meta-analysis of 44 correlations (n = 14 473) was conducted to evaluate the overall association,... -
Face validity and content assessment of a diabetes nutrition education DVD for low literacy adults living with diabetes: a mixed-method study
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Dianré Kapp --- , South Africa Gerda J Gericke --- , South Africa Jane W Muchiri --- , South AfricaAim: A study was undertaken to assess the face validity and content correctness of a diabetes nutrition education (DNE)-DVD developed for low literacy adults living with diabetes. -
The role of leaders in building research cultures in sub-Saharan African universities: A six-nation study
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Bill Buenar Puplampu --- , Ghana Stella Nkomo --- , South Africa Yvonne du Plessis --- , South Africa Jolly Byarugaba Kabagabe --- , Uganda Evelyn Chiyevo Garwe --- , Zimbabwe Juliana Namada --- , Kenya Kemi Ogunyemi --- , Nigeria Juliet Thondhlana --- , UK Inusah Abdul-Nasiru --- , Ghana Añulika Agina --- , Nigeria Kwesi Amponsah-Tawiah --- , Ghana Rosemary Danesi --- , Nigeria Justice Gameli Djokoto --- , Ghana Denise Diana Duncan --- , Ghana Joseph Lekunze --- , South Africa Simon McGrath --- , UK Joyce Ndegwa --- , Kenya Nancy Ngowa --- , Kenya Michael Ofori Ntow --- , Ghana Emily Ayieta Ondondo --- , Kenya Ravinder Rena --- , South Africa Maxwell Sandada --- , ZimbabweExisting research attributes the problem of weak research productivity of academics in African universities primarily to institutional resource poverty and inadequate research skills. However, there has been little attention to research cultures and the role of leaders in fostering productive... -
How individuals learn to do more with less: The role of informal learning and the effects of higher-level education and unemployment in Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Anne Kristin Pia König --- , Germany Corinna Vera Hedwig Schmidt --- , Germany Bastian Kindermann --- , Germany Marc Alexander Peter Schmidt --- , Germany Tessa Christina Flatten --- , GermanyWith a rapidly growing population, Africa faces a significant job creation challenge. One solution to this is to encourage local entrepreneurship. Yet, entrepreneurs are facing an environment where resources are scarce. A way to enact entrepreneurial opportunities in such a... -
Assessing alternatives for growth and yield modelling in eucalypt stands
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Thaynara Reis --- , Simone Silva --- , Ivaldo Tavares Junior --- , Rodrigo Leite --- , Mariana Taquetti --- , Kemely Atanazio --- , Leonardo Fardin --- , Jovane Cruz --- , Helio Leite --- ,Growth and yield estimates are extremely important for forest stand management. The application of simple models is often useful, as it allows the use of plots with few or a single measurement. The objective of this study was to evaluate... -
Cattle performance with Brachiaria and Panicum maximum forages in an integrated crop-livestock system
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mariana Borges de Castro Dias --- , Brazil Kátia Aparecida de Pinho Costa --- , Brazil Eduardo da Costa Severiano --- , Brazil Ubirajara Oliveira Bilego --- , Brazil Lourival Vilela --- , Brazil Wender Ferreira de Souza --- , Brazil Itamar Pereira de Oliveira --- , Brazil Ana Carolina Gomes da Silva --- , BrazilCrop-livestock integration is an efficient technique that enables cropping and animal production in the same area, takes advantage of all the benefits that this synergism provides, and results in greater sustainability and lower environmental impact. The objectives of this study... -
Mixed-species flocks of insectivorous birds (‘bird parties’) in Afrotropical forests and woodlands: a review
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- , South AfricaMixed-species flocks of foraging insectivorous birds are found worldwide and have been best studied in the Neotropical region. A survey of the published literature reveals that mixed-species flocks (often termed ‘bird parties’) comprised of 2–30 species and sometimes >70 individual... -
InfoInternet for education in the Global South: A study of applications enabled by free information-only internet access in technologically disadvantaged areas
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Johanna Johansen --- , Norway Josef Noll --- , Norway Christian Johansen --- , NorwayThis paper summarizes our work on studying educational applications enabled by the introduction of a new information layer called InfoInternet. This is an initiative to facilitate affordable access to internet-based information in communities with network scarcity or economic problems from... -
The Borsuk-Ulam theorem for 3-manifolds
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Christian Blanchet --- , France Chahrazade Matmat --- , AlgeriaWe study the Borsuk-Ulam theorem for triple (M, τ, ℝ n ), where M is a compact, connected, 3-manifold equipped with a fixed-point-free involution τ. The largest value of n for which the Borsuk-Ulam theorem holds is called the ℤ2-index... -
Constellations, technicality, iconisation and Eskom: A case from South Africa’s Business Day
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ian Siebörger --- , South Africa Ralph D. Adendorff --- , South AfricaThis article uses Legitimation Code Theory (LCT) and systemic functional linguistics (SFL) to explore interactions between various resources for building economic and political knowledge in a 2015 article from Business Day, a South African newspaper, concerning the country’s energy crisis... -
A modified Shiller's cyclically adjusted price-to-earnings (CAPE) ratio for stock market index valuation in a zero-interest rate environment
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Roberto Catanho --- , South Africa Adrian Saville --- , South AfricaThe cyclically adjusted price-earnings ratio (CAPE) is a tool that has become widely used to predict market returns. However, recently, deterioration in its forecast strength has surfaced. At the same time, global long-term interest rates have declined and are expected... -
Perceived stigma and self-identity among hearing impaired students: A brief report
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jianhong Zheng --- , China Ming Hong --- , China Sufeng Zhang --- , China Dmitry Grigoryevich Dzyakov --- , BelarusThis study examines the perceived stigma and its relationship to self-identity among students with hearing impairment. Students (n = 151) with hearing impairment (female = 49.67%; mean age = 13.87 years, SD = 1.26 years) completed the Individual Perceived Stigma... -
On zr -ideals of C(X)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: F. Azarpanah --- , Iran R. Mohamadian --- , Iran P. Monjezi --- , IranIn this paper we introduce and study a class of ideals between z-ideals and z°-ideals (=d-ideals) namely zr -ideals. A zr -ideal is a z-ideal which is at the same time an r-ideal (an ideal I in a ring R... -
The asymmetric relationship between volatility index and volatility-of-volatility index
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Adian McFarlane --- , Ontario Canada Anupam Das --- , Canada Young Cheol Jung --- , CanadaWe use the nonlinear autoregressive distributed lag model to assess the asymmetric relationship between the Chicago Board Options Exchange’s volatility index (VIX) and volatility-of-volatility index (VVIX) over the period January 2007 to March 2020. To control for potentially confounding factors,... -
Lessons learnt from UNAIDS virtual technical support to countries applying for funding from the Global Fund COVID-19 Response Mechanism
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Arlette Campbell White --- , United Kingdom Marc Péchevis --- , United Kingdom Adriana Jimenez Cuen --- , SwitzerlandIn 2020 the Global Fund for AIDS, Tuberculosis and Malaria initiated a new funding modality, the COVID-19 Response Mechanism, to mitigate the pandemic’s effects on HIV, TB and malaria programmes and health systems in implementer countries. In 2021 UNAIDS introduced... -
Fighting COVID-19 and HIV through community mobilisation: lessons from an integrated approach to the Africa CDC Partnership to Accelerate COVID-19 Testing (PACT) initiative in seven countries
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Adriana Jimenez Cuen --- , Switzerland Agnes Kante --- , Ethiopia Sihaka Tsemo --- , Ethiopia Benjamin Djoudalbaye --- , EthiopiaRecent literature has shown how the HIV architecture, including community systems, has been critical for fighting COVID-19 in many countries, while sustaining the HIV response. Innovative initiatives suggest that fostering the integration of health services would help address the colliding... -
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 --- , SwitzerlandAim: 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. -
Discourse Processes between Reason and Emotion: A Post-disciplinary Perspective
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Feihong Gai --- Ocean University of China, China Lianrui Yang --- Ocean University of China, China -
Upgrading and inequality in global value chains: Challenges for inclusive and sustainable development
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Antonio Biurrun --- , Spain Marta dos Reis Castilho --- , Brazil Raquel Marín --- , Spain Cipriano Quirós --- , SpainThe phenomena of globalization and fragmentation of production drive countries to face a double challenge of catching up: economic upgrading coupled with improvement in living standards. Meanwhile, insertion and upgrading within global value chains (GVCs) deeply affect national economies in... -
Integral operators for nonlocally compact group modules
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sergey Victor Ludkowski --- , Russian FederationThe article is devoted to integral operators for nonlocally compact group modules. Operator valued functions for nonlocally compact groups and their normed spaces of different types are investigated. For this purpose quasi-invariant measures on nonlocally compact groups are used. Estimates... -
Coming back to text in literary analysis: A review of Roberto Gaudioso’s The Voice of the Text and its Body. The Continuous Reform of Euphrase Kezilahabi’s Poetics
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Emiliano Minerba --- , -
The names and naming of gannets comprising the genus Morus (family Sulidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Koopman --- , South AfricaThe gannet species found in the northern hemisphere can be fully identified as the Northern Gannet Morus bassanus in the family Sulidae. This full identity reveals four historical themes which intertwine to produce a number of historical and current names... -
Special issue editorial: Social innovation and entrepreneurship in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David Littlewood --- Sheffield University Management School, UK Giacomo Ciambotti --- Università Cattolica del Sacro Cuore, Italy Diane Holt --- Leeds University Business School, Laurel Steinfield --- Bentley University, USA -
Indicators of firm growth: Evidence from the JSE
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Kyle Kildaire --- University of the Witwatersrand, South Africa Avani Sebastian --- University of the Witwatersrand, South Africa Warren Maroun --- University of the Witwatersrand, South AfricaThe estimation of firm growth is increasingly relevant to providers of capital in periods of economic uncertainty. The current study employs univariate and multivariate analyses to assess the impact of real GDP and the dividend payout ratio on earnings growth... -
Corporate sustainability and firm performance in small and medium enterprises in Ghana: Mediating role of green innovation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stephen Sarfo Adu-Yeboah --- , People’s Republic of China Yuanchun Jiang --- , People’s Republic of China Michelle Frempomaa Frempong --- , People’s Republic of China Md Altab Hossin --- , People’s Republic of China Richard Amoako --- , People’s Republic of ChinaThis study examined green innovation influences on the relationship between business organisation corporate sustainability and its performance related to market share, profitability, and market positioning. Participants (n = 432) were from the hospitality (n = 138), agribusiness (n = 74), manufacturing (n = 105) and professional services (n = 115)... -
Multi-trait, multi-method talent assessment through a digital platform: Relationship with job performance
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- , South Africa Sebastian Rothmann --- , South Africa Vesselin Popov --- , United Kingdom Luning Sun --- , United KingdomThis study investigated whether a multi-method assessment approach increases variance for predicting future job performance compared to a single-method approach measuring similar constructs. Participants were managers (n = 539, female = 29%, average age 38 years, SD = 7 years)... -
Maladaptive cognition and problematic Internet use among Nigerian adolescent students: Role of social anxiety
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Juliet Ifeoma Nwufo --- , Nigeria Obinna Osita Ike --- , Nigeria Obianyo E. Chidozie --- , Nigeria Ebele Evelyn Nnadozie --- , Nigeria Chiagozie Lynda Nwufo --- , NigeriaThis study examined the role of social anxiety in the association between maladaptive cognition and problematic internet use among Nigerian adolescent students. Participants were 509 adolescents from schools in South-East Nigeria (n = 509; male = 46.56%, female = 53.44%;... -
Cultural knowledge and perceptions of students towards mental illness in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bianca Lima-Smit --- , South Africa Kathryn Nel --- , South Africa Mokgadi Setwaba --- , South AfricaThis study explored perceptions of mental illness and the mentally ill in a South African setting. Informants were a purposive sample of 16 undergraduate students (female = 10, male = 6; age range = 18 to 25 years). Data were... -
Servant leadership and work performance of public servants: Exploring the mediating role of public service motivation and job satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wei Liu --- , China Lianrong Zhao --- , ChinaWe investigated servant leadership influences on work performance in public sector employees, and the mediating influence of public service motivation and job satisfaction in that relationship. The sample comprised 206 Chinese public service employees (female = 46%; mean age = 3.16 years, SD = 35.28 years)... -
Contribution of ankle-brachial index measurement in screening for arteriopathy obliterans of the lower limbs in type 2 diabetics
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Sitraka Angelo Raharinavalona --- , Madagascar Rija Eric Raherison --- , Madagascar Thierry Razanamparany --- , Madagascar Dally Rasoaniana --- , Madagascar Radonirina Lazasoa Andrianasolo --- , Madagascar Andrinirina Dave Patrick Rakotomalala --- , Madagascar -
A review of the responses of medium- to large-sized African mammals to fire
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Willem A Nieman --- , South Africa Brian W van Wilgen --- , South Africa Frans GT Radloff --- , South Africa Alison J Leslie --- , South AfricaAn improved understanding of how fire affects African mammals is important for the management of both fire regimes and mammal populations. The response of mammals (>5 kg) to fire was reviewed to identify habitat preferences, and to inform fire management... -
Factors enhancing agricultural productivity under innovation technology: Insights from Cameroon
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Francis Andrianarison --- United Nations Development Programme (UNDP), Cameroon Cyrille Bergaly Kamdem --- University of Yaounde II Soa, Cameroon Blaise Che Kameni --- University of Yaounde II Soa, CameroonThis paper analyzes the impact of innovation adoption, namely, improved seeds or modern equipment and examines the effects of farmer education, access to credit, and land tenure security on agricultural productivity in Cameroon. We take advantage of a nationally representative... -
Surviving the storm: Synergistic partnership of knowledge management, marketing and innovation strategies in the cosmetic industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: S. Sarpaneswaran --- Universiti Malaya, Malaysia V. G. R. Chandran --- Universiti Malaya, Malaysia Chubashini Suntharalingam --- Malaysian Agricultural Research and Development Institute, Malaysia Boon-Kwee Ng --- Universiti Malaya, MalaysiaThis article aims to understand the business evolution and sustained survivability of Malaysian based-cosmetic firm, Pesona, for the past 20 years. The article provides constructive reflection in bridging theory and practice using a single case-study method to investigate the experiences... -
Extension services in Ethiopia: First adoption of chemical fertilizers in rural villages
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alexander Jordan --- Thuringian Ministry for Economic Affairs, Germany Marco Guerzoni --- University of Milan-Bicocca, ItalyIn this paper we evaluate the efficiency of extension programmes in the adoption of chemical fertilizers in Ethiopia between 1994 and 2004 using matching techniques in a quasi-experimental setting. In addition to common factors, measures of culture, proxied by ethnicity... -
Engaging HIV-prevention ambassadors to promote oral PrEP among adolescent girls and young women: results of a Zimbabwe field test
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Morgan Garcia --- , USA Definate Nhamo --- , Zimbabwe Nicole Macagna --- , USA Takudzwa Mamvuto --- , Zimbabwe Naledi Katsande --- , Zimbabwe Giuliana Morales --- , USA Michele Lanham --- , USA Joseph Murungu --- , Zimbabwe Imelda Mahaka --- , Zimbabwe Natalie Kruse-Levy --- , Zimbabwe Kristine Torjesen --- , USAThe HIV Prevention Ambassador Training Package for Adolescent Girls and Young Women was created in collaboration with adolescent girls and young women (AGYW) to improve skills, knowledge, and attitudes about oral pre-exposure prophylaxis (PrEP) among peer “ambassadors”. It was field... -
Nordhaus-Gaddum inequalities for the number of connected induced subgraphs in graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Eric O.D. Andriantiana --- , South Africa Audace A.V. Dossou-Olory --- , South AfricaLet η(G) be the number of connected induced subgraphs in a graph G, and Ḡ the complement of G. We prove that η(G) + η(Ḡ) is minimum, among all n-vertex graphs, if and only if G has no induced path... -
Nitrogen mineralisation and N2O emissions in pure and mixed-species plantations of Eucalyptus urograndis and Acacia mangium
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Felipe Martini Santos --- , Brazil Fabiano de Carvalho Balieiro --- , Brazil Danilo Henrique dos Santos Ataíde --- , Brazil Pedro Vaz da Rocha --- , Brazil Bruno JR Alves --- , Brazil Guilherme M Chaer --- , BrazilWe hypothesised that N inputs to the soil from residues of adult trees of Acacia mangium Willd. increase soil nitrate availability and consequently induce higher nitrous oxide (N2O) fluxes, irrespective of being in pure or mixed stands with Eucalyptus. A... -
New records and a notable observation of potentially predator-avoiding amplectic behaviour in Boophis erythrodactylus from Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Robin Kurian Abraham --- Biodiversity Institute and Department of Ecology and Evolutionary Biology, University of Kansas, United States Carl Richard Hutter --- Biodiversity Institute and Department of Ecology and Evolutionary Biology, University of Kansas, United StatesThe Red-fingered Bright-eyed Frog Boophis erythrodactylus is an endemic, range-restricted arboreal frog found only in the eastern rainforests of Madagascar. We report new localities for this species, along with locality records for its sister species B. tasymena, including localities where... -
Application of intermittent warming to enhance postharvest quality and extend the shelf life of pomegranate fruit (Punica granatum)
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olaniyi Amos Fawole --- , South Africa Loriane Jennifer Ayo-ola Yanclo --- , South Africa Umezuruike Linus Opara --- , South AfricaIntermittent warming (IW) cycles slow down the physiology of fresh horticultural commodities, thereby extending their storage life. We investigated the effects of IW on physiological disorders, physicochemical, sensory parameters and the emission of volatile organic compounds (VOCs) of pomegranate (Punica... -
Innovation policy for economic development: The difficult but promising adequacy in the case of Senegal
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Vanessa Casadella --- , France Sofiane Tahi --- , FranceWe use the National Innovation System (NIS) approach to analyze the performance of innovation policy of the sub-Saharan economy: the Senegal. The NIS approach makes it possible to understand how actors create and disseminate new knowledge, in a context of... -
Smallholder vegetable farmers’ commercialization to enhance rural livelihoods in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lelethu Mdoda --- , South Africa Mzuyanda Christian --- , South AfricaThis study aims at establishing how vegetables can be commercialized to improve rural livelihoods in the Eastern Cape province of South Africa. A structured questionnaire was used to obtain primary data from 120 multi-purposive selected smallholder vegetable farmers. Descriptive statistics,... -
Education’s effect on food and monetary security in Burkina Faso: A joint semi-parametric and spatial analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibrahim Niankara --- , UAEThough adversely impacted by the recent COVID-19 crisis, households’ consumption of food and non-food items are essential components of well-being worldwide. Against this background, the present analysis tests human capital theory predictions by assessing the resilience effect of formal education... -
Building legitimacy and distinctiveness on Nigerian-Canadian transnational ventures’ websites
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Diane A. Isabelle --- , Canada Mika Westerlund --- , Canada Victoria Sajuyigbe --- ,Achieving legitimacy in several markets is crucial for transnational ventures. Moreover, the literature on competitive strategy suggests that distinctiveness from competitors is a major source of competitive advantage for ventures. Nevertheless, our knowledge is sparse on how transnational ventures use... -
Disrupted dining: decline of the premium food services segment in India due to the COVID-19 pandemic
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Kishore Thomas John --- Indian Institute of Technology, India Rejikumar Gopalakrishnan --- , IndiaThis review article analyses the premium “fine dining” segment of the Indian food services sector, examining trends during the COVID-19 pandemic. Specifically, we discuss the challenges encountered and initiatives taken in response to the global coronavirus outbreak. Using secondary data... -
A Big Data strategy to reinforce self-sustainability for pharmaceutical companies in the digital transformation era: A case study of Egyptian pharmaceutical companies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mahmoud Elsayed Hassanin --- Ahram Canadian University, Egypt Mohamed Ahmed Hamada --- International IT University, KazakhstanThe Big Data-driven economy has emerged, and data is known as the new petroleum of the current century. Big Data (BD) analytics can play an essential role in building a self-sustainable competitive advantage for the pharmaceutical industry by feeding pharmaceutical... -
Incivility experiences and mental health among college nursing students: The moderating role of rumination
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shaoping Qiu --- Xiangnan University, China Jie Fan --- Hunan Normal University, China Naizhu Huang --- Xiangnan University, ChinaThis study examined the relationship between incivility and mental health and how rumination moderates the effect of incivility on mental health. Participants were 802 Chinese nursing students (female = 90.6%; mean age = 19.8 years, SD = 1.31 years). They... -
A framework for digital talent assessment: Guidelines and applications
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- North-West University, South Africa Sebastian Rothmann --- North-West University, South Africa Vesselin Popov --- University of Cambridge Psychometrics Centre, United Kingdom Luning Sun --- University of Cambridge Psychometrics Centre, United KingdomRapid rises in technology and digitisation in Talent Assessment practices have not been met with an equal advance in research, methodology, and rigor as applies guidelines for best practice use. This risks an inevitable quality deficit in the application of... -
Exploring the process of harsh parenting on online aggressive behaviour: The mediating role of trait anger
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jingli Wu --- Xinxiang Vocational and Technical College, ChinaWe investigated the role of trait anger in the relationship between harsh parenting and online aggressive behaviour. Participants were 459 college students (female= 60.13%; mean age= 19.18 years, SD = 0.92 years). For the measures, the students completed the Harsh... -
Artistic gymnastics mirror teaching approach efficacy for improving interpersonal skills of college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zan Zhou --- Shaoxing University, China Haibo Tian --- Shaoxing University, China Siwei Luo --- Shaoxing University, China Yao Wang --- Shaoxing University, China Dan Shi --- Zhejiang Yuexiu University, ChinaThis study aimed at improving the interpersonal skills of college students through an intervention of artistic gymnastics mirror teaching approach. Following a longitudinal study quasi-experimental design, 30 students were randomly assigned to the artistic gymnastics' intervention, and 30 students were... -
Product-harm crisis and perceived betrayal: The moderating effect of cognitive bias
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Li Yalin --- Suqian University, China Zhao Min --- Hubei University of Economics, ChinaThis study utilised an experimental design to examine the moderating effect of cognitive biases (availability of information and herd effect) on the relationship between product-harm crisis and perceived betrayal. In a series of three studies involving 596 young adults (college... -
Factors affecting eucalypt survival in South African plantation forestry
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ullrich Hechter --- Nelson Mandela University, South Africa Keith Little --- Nelson Mandela University, South Africa Julian Chan --- Institute for Commercial Forestry Research, South Africa Jacob Crous --- , South Africa Dean da Costa --- , South AfricaA review was conducted to highlight the most important factors contributing to increased mortality and decreased growth in eucalypt plantations during re-establishment (0–12 months). Citations were ranked in terms of credibility, with the importance ratings (derived from the literature sources)... -
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, NigeriaAim : 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... -
Associations between COVID-19 vaccine hesitancy and the experience of violence among women and girls living with and at risk of HIV in Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Morenike Oluwatoyin Folayan --- Obafemi Awolowo University, Nigeria Olujide Arije --- Obafemi Awolowo University, Nigeria Amaka Enemo --- , Nigeria Aaron Sunday --- , Nigeria Amira Muhammad --- Northern Nigerian Transgender Initiative, Nigeria Hasiya Yunusa Nyako --- , Nigeria Rilwan Mohammed Abdullah --- , Nigeria Henry Okiwu --- , Nigeria Erik Lamontagne --- , SwitzerlandAim : Women and girls living with and at high risk of HIV (WGL&RHIV) had an increased risk for gender-based violence (GBV) during COVID-19. The study aimed to assess the associations between vaccine hesitancy and GBV, HIV status and psychological... -
Understanding the role of men in women's use of the vaginal ring and oral PrEP during pregnancy and breastfeeding: multi-stakeholder perspectives
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Petina Musara --- University of Zimbabwe, Zimbabwe Miriam Hartmann --- , USA Julia H Ryan --- , USA Krishnaveni Reddy --- Wits Reproductive Health and HIV Institute, University of the Witwatersrand, South Africa Joseph Ggita --- Johns Hopkins University Research Collaboration, Makerere University, Uganda Prisca Mutero --- University of Zimbabwe, Zimbabwe Nicole Macagna --- , USA Frank Taulo --- University of Malawi, Malawi Nyaradzo M Mgodi --- University of Zimbabwe, Zimbabwe Jeanna Piper --- , USA Ariane van der Straten --- University of California San Francisco, USAWe examined men’s influence on women’s interest in biomedical HIV prevention during pregnancy and breastfeeding through structured questionnaires and focus group discussions with currently or recently pregnant and breastfeeding (P/BF) women (n = 65), men with P/BF partners (n =... -
Impact of COVID-19 public health responses on income, food security and health services among key and vulnerable women in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Hilton Humphries --- University of KwaZulu-Natal, South Africa Lara Lewis --- University of KwaZulu-Natal, South Africa Erik Lamontagne --- , Switzerland Shakira Choonara --- University of KwaZulu-Natal, South Africa Keabetswe Dikgale --- University of KwaZulu-Natal, South Africa Anna Yakusik --- , Switzerland Dianne Massawe --- , South Africa Ntombenhle Mkhize --- , South Africa Farai Mzungu --- , South Africa Quarraisha Abdool Karim --- University of KwaZulu-Natal, South AfricaGlobally, COVID-19 has impacted lives and livelihoods. Women living with HIV and/or at high risk of acquiring HIV are socially and economically vulnerable. Less is known of the impact of COVID-19 public health responses on women from key and vulnerable... -
Self model and selflessness
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Hari Narayanan V --- Indian Institute of Technology, IndiaThis article argues that there is no performative self-contradiction involved in reports of selfless consciousness, at least in the non-pathological sense of the term. This is because what is central to the experience of selfless consciousness is a different kind... -
Testing the efficacy of bat monitoring methods for identification and species surveys in KwaZulu-Natal province, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Alexandra Howard --- University of Pretoria, South Africa Ara Monadjem --- University of Pretoria, South Africa Duncan MacFadyen --- , South Africa Christian T Chimimba --- University of Pretoria, South AfricaMulti-method sampling approaches are becoming increasingly popular for investigating species occurrence at specific sites, as there is a need to accurately monitor species with limited time and resources. In this study, a multi-method comparative approach was used to survey bat... -
Loneliness and mobile phone addiction in Chinese college students: a moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Zhang --- Hunan University of Chinese Medicine, China Hanyu Liang --- Guizhou Medical University, China Yanhong Luo --- Hunan University of Chinese Medicine, China Yu Peng --- Hunan University of Chinese Medicine, China Zhiyan Qiu --- Hunan University of Chinese Medicine, China Huili Mao --- Hunan University of Chinese Medicine, China Mengqi Yuan --- Hunan University of Chinese Medicine, China Sicheng Xiong --- Hunan University of Chinese Medicine, ChinaThis study aimed to investigate (i) the relationship between loneliness and mobile phone addiction; (ii) the mediating role of negative affect in the association between loneliness and mobile phone addiction; and (iii) the moderating effect of perceived stress in the... -
COVID-related stressors on career insecurity: The moderating effects of family support and openness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yinan Tian --- , China Yuxiang Luan --- , China Nan Wang --- North Minzu University, ChinaWe examined the relationship between COVID-19 stressors and individuals’ career insecurity and the moderating effect of family support and openness to experience on that relationship. Participants were 207 young Chinese employees (female = 52.2%; mean age = 25.5 years, SD... -
How and when paradoxical leadership fosters employee innovative behaviours: The role of proactive personality and work engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liping Feng --- Renmin University of China, China Mengyi Li --- Renmin University of China, China Jianfeng Peng --- Renmin University of China, China Shiyong Xu --- Renmin University of China, China Wa Yang --- Renmin University of China, China Dongying Luo --- Renmin University of China, ChinaWe investigated the association between paradoxical leadership and employee innovative behaviours, and the role of proactive personality and work engagement in the relationship. Participants were 514 employees of a large Chinese internet company (female = 259; mean age = 29.85... -
Compulsory unethical pro-organisational behaviour and employees’ in-role performance: a moderated mediation analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wang --- Zunyi Medical University, China Gangqiang Wang --- Zunyi Normal University, China Guoqin Liu --- Zunyi Medical University, China Qing Zhou --- Zunyi Medical University, ChinaThis study aimed to identify the influences of compulsory unethical pro-organisational behaviour (CUPB) on employees’ in-role performance and the potential mechanisms between them. Based on the multilevel data from 612 salespeople in China (female = 55.4%; managers = 47.8%; 23–30... -
Genotypic variability in nutrient uptake and use efficiency in chickpea grown under low phosphorus availability in a Mediterranean climate
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Hanine Loucif --- Université Djilali Bounaama de Khemis Miliana, Algeria Brahim Bousalhih --- Université Djilali Bounaama de Khemis Miliana, Algeria Rebiha Chaoui --- Université Djilali Bounaama de Khemis Miliana, Algeria Jean Jacques Drevon --- Université de Montpellier, France Mohamed Farissi --- Sultan Moulay Slimane University, Morocco Mohamed Lazali --- Université Djilali Bounaama de Khemis Miliana, AlgeriaLow phosphorus (P) availability is a major constraint for chickpea production. Consequently, P-efficient genotypes can improve productivity under conditions where the higher application of P is not economical. This study was conducted to characterise four chickpea genotypes for nutrient uptake... -
Enhancing predictive precision of dominant height projection equations for eucalypts by incorporating rainfall and temperature terms
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Brian G Mandigora --- Stellenbosch University, South Africa David M Drew --- Stellenbosch University, South AfricaShort-rotation forest stands are sensitive to extreme climate conditions during their growth period, which presents a challenge to managing forests and modelling forest growth in a constantly changing climate. We developed climate-sensitive dominant height models for the Eucalyptus grandis ×... -
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, BrazilHeat 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... -
A new lower bound on the total domination number of a graph
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Majid Hajian --- Shahrood University of Technology, Iran Michael A. Henning --- University of Johannesburg, South Africa Nader Jafari Rad --- Shahed University, IranA set S of vertices in a graph G is a total dominating set of G if every vertex in G is adjacent to some vertex in S. The total domination number, γt (G), is the minimum cardinality of a... -
Report and policy brief: 2nd Annual Conference on Social Aspects of HIV/AIDS Research, Cape Town, 9 – 12 May 2004
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: S. Kleintjes --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, K. Peltzer --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, O. Shisana --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, C. Niang --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, J. Seager --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, L. Simbayi --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, D. Kaseje --- Human Sciences Research Council and Social Aspects of HIV/AIDS Research Alliance — SAHARA, -
Book Reviews
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Brian van Wyk --- SAHA, Human Sciences Research Council, Shandir Ramlagan --- SAHA, Human Sciences Research Council, Sharon Kleintjes --- SAHA, Human Sciences Research Council,Letting Them Die: Why HIV/AIDS Prevention Programmes Fail By Catherine Campbell, Cape Town, South Africa: Double Storey Books, 2003, ISBN 1-919-930116. Reviewed by Brian van Wyk. -
A comparative analysis of perceived stigma among HIV-positive Ghanaian and African American males
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kwabena A Poku --- Health Services Management Department, University of Ghana Business School, J Gary Linn --- School of Nursing, Tennessee State University, Betsy L Fife --- School of Nursing, University of Indiana-Indianapolis, Sherry Azar --- School of Nursing, Tennessee State University, Lorna Kendrick --- School of Nursing, Tennessee State University,The purpose of this paper was to address two questions: (i) Do Ghanaian and African American males with HIV/AIDS experience different types and degrees of stigma? and (ii) Is the impact of stigma associated with HIV/AIDS on the self different... -
New approaches, new activities and new outcomes in international conferences on HIV/AIDS in Africa — Report of the 3rd African Conference on the Social Aspects of HIV/AIDS, Dakar, 10 – 14 October 2005
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: C.I. Niang O. Shisana G. Andrews D. Kaseje L. Simbayi Karl Peltzer [CXX0001] Y. ToefyAfrica's HIV/AIDS situation remains cause for concern. The impact of HIV is considerable and threatens the survival and development of African societies. Although much has been attempted, the results still leave much to be desired. AIDS is an epidemic that... -
Innovations dans les approches, activités et résultats des conférences internationales sur le VIH/SIDA en Afrique — Le cas de la 3ème conférence africaine sur les aspects sociaux du VIH/SIDA, Dakar, 10 – 14 octobre 2005
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Cheikh Ibrahima Niang [CXX0001] O. Shisana G. Andrews D. Kaseje L. Simbayi K. Peltzer Y. ToefyLa situation du VIH/SIDA en Afrique demeure très préoccupante. L'impact du VIH est considérable et menace la survie et le développement des sociétés africaines. Bien qu'il y ait beaucoup d'efforts, les réponses ne sont pas encore à la hauteur des... -
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... -
Editorial review: Male circumcision, gender and HIV prevention in sub-Saharan Africa: a (social science) research agenda
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Karl Peltzer --- Human Sciences Research Council, Cheikh I Niang --- Université Cheikh Anta Diop, Adamson S. Muula --- University of Malawi, Kasonde Bowa --- University Teaching Hospital Lusaka, Linus Okeke --- University of Ibadan, Hamadou Boiro --- Université Cheikh Anta Diop, Chiweni Chimbwete --- University of Witwatersrand, -
Book Reviews
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Mercy Banyini --- Social Aspects of HIV/AIDS Research Alliance, Human Science Research Council, South AfricaHIV and Aids in Africa Edited by Ezekeil Kalipeni, Susan Craddock, Joseph R. Oppong and Jayati Ghosh. USA: Blackwell Publishing, 2004. ISBN 0-631-22356-8 & ISBN-0-631-22357-6 Reviewed by Mercy Banyini. -
Perceptions of acceptability and utility of microbicides in Ghana, West Africa: A qualitative, exploratory study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Amanda E Tanner --- Section of Adolescent Medicine, Indiana University School of Medicine,Vaginal microbicides, substances that may substantially decrease transmission of sexually transmitted infections (STI) including human immunodeficiency virus (HIV), are currently in clinical trials. They are being presented as woman-initiated prevention methods that have the potential to be used without partners'... -
The political context of AIDS-related stigma and knowledge in a South African township community
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Brian Forsyth --- Yale University, Alain Vandormael --- Department of Sociology, University of Pretoria, Trace Kershaw --- Yale University School of Public Health, Janis Grobbelaar --- Department of Sociology, University of Pretoria,The purpose of this study was to examine the presentation of AIDS-related stigma and knowledge within the political context of the South African government's response to the AIDS epidemic. It was during the 2000 – 2004 period that key government... -
Barriers and facilitators to patients' adherence to antiretroviral treatment in Zambia: a qualitative study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nawa Sanjobo --- Copperbelt University, Jan C Frich --- Research Unit for General Practice, University of Oslo, Atle Fretheim --- Preventive and International Health Care Unit, Norwegian Knowledge Centre for Health Services, NorwayPatients' adherence to antiretroviral therapy (ART) is important for effective medical treatment of HIV/AIDS. We conducted a qualitative interview study in the Copperbelt Province of Zambia in 2006. The aim of the study was to explore patients' and health care... -
Book Reviews
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Geoff Setswe --- Social Aspects of HIV/AIDS Research Alliance (SAHARA), Human Sciences Research Council,A Generation at Risk: The Global Impact of HIV/AIDS on Orphans and Vulnerable Children Edited by G Foster, C Levi and J Williamson. Cambridge University Press, 2005. ISBN 978-0-521-65264-3 Reviewed by Geoff Setswe. -
Review of national AIDS councils in Africa: Findings from five countries
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Charles Hongoro --- Policy Analysis Unit, Human Sciences Research Council of South Africa (HSRC), Akim J Mturi --- Social Aspects of HIV/AIDS Research Alliance (SAHARA), Human Sciences Research Council of South Africa (HSRC), Joshua Kembo --- Bureau of Market Research (BMR) at UNISA,National AIDS councils (NACs) were established in many African countries to co-ordinate the multi-sectoral response to HIV/ AIDS. Their main mandate is to provide strategic leadership and co-ordinate activities geared to fight against HIV/AIDS. This study sought to understand the... -
Barriers and facilitators to antiretroviral medication adherence among HIV-infected paediatric patients in Ethiopia: A qualitative study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sibhatu Biadgilign --- John Hopkins University's Technical Support for the Ethiopian HIV/AIDS ART Initiative, Amare Deribew --- Department of Epidemiology, Jimma University, Alemayehu Amberbir --- Division of Epidemiology and Public Health, University of Nottingham, Kebede Deribe --- FIDA, EthiopiaMedication adherence is a complex behaviour with multiple determinants. Understanding the barriers and facilitators of adherence is invaluable for programme improvement, which assists the foundation of adherence intervention strategies. A qualitative study was conducted in six selected hospitals of Addis... -
Maternal HIV status and infant feeding practices among Ugandan women
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pius Okong --- St Francis Hospital Nsambya, Praxedes Kituuka Namaganda --- Department of Paediatrics, St Francis Hospital Nsambya, Luciana Bassani --- St Francis Hospital Nsambya, Mary Mbidde Tabaro --- St Francis Hospital Nsambya, Francesca Zanetto --- St Joseph's Hospital, Edith Birungi Mwebaze --- Social Sector Planning and Management, Makerere University, Liliana Weimer --- Unit of Pharmacology and Therapy of Viral Diseases of the Department of Therapeutic Research, Istituto Superiore di Sanità (The Italian National Institute of Health), Lina Tomasoni --- Unit for Tropical and Imported Diseases, Spedali Civili General Hospital, Francesco Castelli --- Department for Mother and Child Care and Medical Biotechnologies, University of Brescia, Italy Marina Giuliano --- Unit of Pharmacology and Therapy of Viral Diseases of the Department of Therapeutic Research, Istituto Superiore di Sanità (The Italian National Institute of Health),To describe the infant feeding practices in the general population in Uganda, and to assess the impact of maternal HIV status on these practices, a questionnaire was administered to women attending the follow-up clinics for child vaccination. Among the mothers... -
Gender differences regarding barriers and motivators of HIV status disclosure among HIV-positive service users
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kebede Deribe --- , Ethiopia Kifle Woldemichael --- Department of Epidemiology, Jimma University, Bernard Joseph Njau --- Department of Community Health, Kilimanjaro Christian Medical College, Bereket Yakob --- NASTAD Global Programme, Ethiopia Sibhatu Biadgilign --- John Hopkins University-Technical Support for the Ethiopian HIV/AIDS ART Initiative, Alemayehu Amberbir --- Division of Epidemiology and Public Health, University of Nottingham,There are inconsistent findings about the relation between gender and HIV status disclosure. We conducted a facility-based cross-sectional study, using qualitative and quantitative data collection methods, to explore gender differences in HIV-positive status disclosure among service users in south-west Ethiopia... -
A qualitative exploration of HIV-positive pregnant women's decision-making regarding abortion in Cape Town, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Phyllis Orner --- Women's Health Research Unit in the School of Public Health and Family Medicine, University of Cape Town, Maria de Bruyn --- Ipas, USA Jane Harries --- Women's Health Research Unit in the School of Public Health and Family Medicine, University of Cape Town, Diane Cooper --- Women's Health Research Unit in the School of Public Health and Family Medicine, University of Cape Town,HIV-positive women's abortion decisions were explored by: (i) investigating influencing factors; (ii) determining knowledge of abortion policy and public health services; and (iii) exploring abortion experiences. In-depth interviews were held with 24 HIV-positive women (15 had an abortion; 9 did... -
Stigma as ‘othering’ among Christian theology students in South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Adrian D. Van Breda [d74e19]HIV is a health and developmental crisis that has profoundly challenged the Christian church in sub-Saharan Africa. Responding to stigma and prejudice against HIV and people living with HIV and AIDS has been a major concern of theologians and Christian... -
Experiences of sexual relationships of young black women in an atmosphere of coercion
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Frances Clüver [d373e18] Diane Elkonin Charles YoungNegotiations surrounding sexual activity are characterised by multiple power disparities that include race, social status and age, with gender being the most dominant differential in heterosexual interactions. Research has shown that women are physiologically more at risk of contracting HIV... -
Conflicting discourses of church youths on masculinity and sexuality in the context of HIV in Kinshasa, Democratic Republic of Congo
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Hendrew Lusey --- , , Democratic Republic of Congo Miguel San Sebastian --- , , Sweden Monica Christianson --- , , Sweden Lars Dahlgren --- , , Sweden Kerstin E. Edin --- , , SwedenMasculinity studies are fairly new and young churchgoers are an under-researched group in the current Congolese church context. In response to this knowledge gap, this paper attempts to explore discourses of young churchgoers from deprived areas of Kinshasa regarding masculinity... -
Acceptabilité du test VIH proposé aux nourrissons dans les services pédiatriques, en Côte d'Ivoire, Significations pour la couverture du diagnostic pédiatrique
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Maxime Oga --- , Côte d'Ivoire Hermann Brou --- , , Côte d'Ivoire Hortense Dago-Akribi --- , , Abidjan-Cocody Patrick Coffie --- , , Côte d'Ivoire Clarisse Amani-Bossé --- , Côte d'Ivoire Didier Ékouévi --- , , Côte d'Ivoire Vincent Yapo --- , , Côte d'Ivoire Hervé Menan --- , , Côte d'Ivoire Camille Ndondoki --- , , France M. Timité-Konan --- , Côte d'Ivoire Valériane Leroy --- , , FranceProblème: Le dépistage VIH chez les enfants a rarement été au centre des préoccupations des chercheurs. Quand le dépistage pédiatrique a retenu l'attention, cela a été pour éclairer seulement sur les performances diagnostiques en ignorant même que le test pédiatrique... -
Sexual and reproductive health perceptions and practices as revealed in the sexual history narratives of South African men living in a time of HIV/AIDS
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Erin Stern --- , , South Africa Asta Rau --- , , South Africa Diane Cooper --- , , South AfricaThe frequent positioning of men's sexual risk-taking as driving the HIV/AIDS epidemic in South Africa has triggered interest in men's sexual and reproductive health (SRH) perceptions, attitudes, and practices. Much research, however, presents men as a homogenous group, and focuses... -
Acceptability, feasibility and challenges of implementing an HIV prevention intervention for people living with HIV/AIDS among healthcare providers in Mozambique: Results of a qualitative study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Prafulta Jaiantilal --- , , Mozambique Sarah A. Gutin --- , , USA Beverley Cummings --- , , Mozambique Francisco Mbofana --- , , Mozambique Carol Dawson Rose --- , , USADespite the Mozambique government's efforts to curb human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS), national prevalence is 11.5% and support is needed to expand HIV-related services and improve program quality. Positive prevention (PP) programs, which prioritize HIV prevention with... -
The Achilles’ heel of prevention to mother-to-child transmission of HIV: Protocol implementation, uptake, and sustainability
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Violeta J. Rodriguez --- , , USA Richard P. LaCabe --- , , USA C. Kyle Privette --- , , USA K. Marie Douglass --- , USA Karl Peltzer --- , South Africa Gladys Matseke --- , South Africa Audrey Mathebula --- , South Africa Shandir Ramlagan --- , South Africa Sibusiso Sifunda --- , South Africa Guillermo “Willy” Prado --- , USA Viviana Horigian --- , , USA Stephen M. Weiss --- , , USA Deborah L. Jones --- , , USAThe Joint United Nations Programme on HIV and AIDS proposed to reduce the vertical transmission of HIV from ∼72,200 to ∼8300 newly infected children by 2015 in South Africa (SA). However, cultural, infrastructural, and socio-economic barriers hinder the implementation of... -
Risky sexual behaviours among young people in sub-Saharan Africa: how can parents use the Ottawa Charter for Health Promotion for change?
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Elvis Tarkang --- , , Ghana Lilian Pencille --- , Cameroon Hubert Amu --- , , Ghana Joyce Komesour --- , , Ghana Prosper Lutala --- , , MalawiDespite progress made in the treatment of HIV and AIDS by making available the antiretroviral treatment in Africa, youth are still struggling with inadequate knowledge, a negative attitude towards AIDS and high-risk sexual behaviour. All of these are compounded by... -
Traditional healers as client advocates in the HIV-endemic region of Maputo, Mozambique: results from a qualitative study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Radhika Sundararajan --- University of California, USA Patricio V. Langa --- Universidade Eduardo Mondlane, Mozambique Trisha Morshed --- Vituity Physician Group, USA Sandra Manuel --- Universidade Eduardo Mondlane, MozambiqueTraditional healers are commonly utilised throughout sub-Saharan Africa instead of – and in concert with – biomedical facilities. Traditional healers are trusted providers and prominent community members and could be important partners in improving engagement with HIV services in endemic... -
THE C. J. P. IONIDES MEMORIAL FUND
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: J. H. E. LEAKEY --- , Kenya J.E. COOPER --- , Kenyn C. R. S. PITMAN --- , A. DUFF-MAGKAY --- , Kenya MARIANNE MITTON --- , South Africa -
REPORT ON A GARTER SNAKE BITE IN RHODESIA
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: C.R. Saunders --- Triangle Limited, -
LETTERS
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Ian Coulson --- University of Natal, -
VARIATIONS OF THE VIDIAN CANAL SYSTEM IN THRASOPS JACKSONII (SERPENTES, COLUBRIDAE)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: R.H. VAETH --- Louisiana State University, USA -
NOTES ON THE SOUTH AFRICAN TERRESTRIAL GECKO CHONDRODACTYLUS A. ANGULIFER IN CAPTIVITY
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: R.D. BARTLETT --- The Reptilian Breeding and Research Institute, USA -
LIOHETERODON MADAGASCARIENSIS AN ADDITION TO THE SNAKE FAUNA OF THE COMORO ISLANDS
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: V. WALLACH --- Louisiana State University, USA -
AMPHIBIANS AND REPTILES OF THE OUTAMBA-KILIMI REGION, SIERRA LEONE
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: GEORGER. ZUG --- Smithsonian Institution, -
A new species of Phyllodactylus (Squamata: Gekkonidae) from the Karoo National Park, South Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: D.A. GOOD --- Louisiana State University, USA A.M. BAUER --- Villanova University, USA W.R. BRANCH --- , South AfricaGOOD, D.A., A.M. BAUER, and W.R. BRANCH. 1996. A new species of Phyllodactylus (Squamata: Gekkonidae) from the Karoo National Park, South Africa. Afr. J. Herpetol. 45(2): 49–58. -
A new species of Tarentola (Squamata: Gekkonidae) from the Western Desert of Egypt
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: S.M. BAHA EL DIN --- Nature Protection Sector, Egyptian Environmental Affairs Agency, EgyptBAHA EL DIN, S.M. 1997. A new species of Tarentola (Squamata: Gekkonidae) from the Western Desert of Egypt. Afr. J. Herpetol.46(1): 30–35. -
Morphological variation and geographical distribution in the South African lizards Typhlosaurus caecus (Cuvier 1817) and Typhlosaurus vermis Boulenger 1887 (Scincidae: Acontinae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: MichaelF. Bates --- , South Africa Neil J.L. Heideman --- , South Africa BrianA. Wilson --- Soghne College of Education, South Africa Martin G.J. Hendricks --- University of the Western Cape, South Africa Nulfa Don --- Soghne College of Education, South Africa Carlos Moses --- Soghne College of Education, South AfricaThe most recent evaluation of morphological variation in Typhlosaurus caecus was based on only six specimens, including one from Port Nolloth here referred to T. vermis. We report on morphological variation in 25 T. caecus and 33 T. vermis from... -
Branch's Southern African Herp Guide: An Australian Perspective
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: J. Scott. Keogh --- Australian National University, Australia -
Structural aspects of white spots on the dorsal skin of Hyperolius kihangensis (Amphibia: Hyperoliidae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Mette Mejsen Westergaard --- Zoological Institute, University of Copenhagen, Denmark José Bresciani --- Institute of Ecology, Royal Veterinary and Agricultural University, Denmark PovlE. Budtz --- August Krogh Institute, University of Copenhagen, Denmark -
Feeding ecology, reproduction and sexual dimorphism in the colubrid snake Crotaphopeltis hotamboeia in southern Africa
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: J.Scott Keogh --- Australian National University, Australia WilliamR. Branch --- Port Elizabeth Museum, South Africa Richard Shine --- University of Sydney, AustraliaWe examined museum specimens to quantify diet, reproductive cycles and sexual dimorphism in body size of the colubrid snake Crotaphopeltis hotamboeia. Females attain sexual maturity at approximately 300 mm snout‐vent length (SVL) and males at approximately 240 mm SVL. Females... -
Conservation status of herpetofauna endemic to Kwazulu‐Natal
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: AdrianJ. Armstrong --- KwaZulu‐Natal Nature Conservation Service, South AfricaThe KwaZulu‐Natal Nature Conservation Service is undertaking a long‐term project to determine the value of untransformed land for biodiversity conservation, to map these areas in accordance with their relative values, and to identify and prioritise irreplaceable areas. Existing distribution data... -
The effect of anthropogenic habitat modification on habitat use by Afrana angolensis along the dodwe river, Tanzania
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: ScottG. Lynn --- University of Kentucky, USA Christian Lindle --- University of Vienna, Austria -
A new species of hemidactylus (squamata: Gekkonidae) from Egypt
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: SherifM. Baha El Din --- Egyptian Environmental Affairs Agency, EgyptA new species of Hemidactylus is described from south‐east Egypt. The species most noticeably differs from other Hemidactylus in possessing a distinctive barred pattern, overall coarse scalation, and short digits that hardly protrude beyond the basal dilation. The species is... -
Generation glands and sexual size dimorphism in the Cape Crag Lizard, Pseudocordylus microlepidotus
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: P. le FrasN. Mouton --- University of Stellenbosch, South Africa Carmen Gagiano --- University of Stellenbosch, South Africa Beate Sachse --- University of Stellenbosch, South AfricaThe Cape Crag Lizard, Pseudocordylus microlepidotus, is unique among cordylid lizards in that generation glands are not restricted to the femoral region, but also occur on the dorsum and in the inguinal region. We analysed 274 museum specimens of P... -
A new forest toad from the Ukaguru Mountains, Tanzania (Bufonidae: Nectophrynoides)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Alan Channing --- University of the Western Cape, South Africa Michele Menegon --- Museo Tridentino di Scienze Naturali, Italy Sebastiano Salvidio --- DIP.TE.RIS Corso Europa 26, Italy Scott Akker --- , United KingdomA new species of Nectophrynoides is described from the Ukaguru Mountains of Tanzania. It is distinguished from the other species in the genus by a combination of morphological characters. This is the only African bufonid known with a biphasic vocalization. -
Bufo uzunguensis of southern Tanzania (Amphibia: Anura): A history of confusion
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: JohnC. Poynton --- The Natural History Museum, UK Michele Menegon --- Museo Tridentino di Scienze Naturali, Italy Sebastiano Salvidio --- DIP.TE.RIS Corso Europa 26, ItalyType and more recently‐collected material of Bufo uzunguensis Loveridge, is compared with members of the "B. lonnbergi complex” of east African highland dwarf toads. It is concluded that B. uzunguensis is not a member of this complex despite many similarities... -
Shell characteristics and sexual dimorphism in the Namaqualand speckled padloper, Homopus signatus signatus
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: VictorJ.T. Loehr --- University of the Western Cape, South Africa BrianT. Henen --- University of the Western Cape, South Africa MargarethaD. Hofmeyr --- University of the Western Cape, South AfricaThere is little quantitative information regarding the two subspecies of the world's smallest tortoise, Homopus signatus. To help characterise the northern subspecies H. s. signatus and evaluate the development of shell size and colour patterns, we measured shell characteristics of... -
Diet of amphibians and reptiles from the Engare Ondare river region of central Kenya, during the dry season
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: LaurenceM. Hardy --- Louisiana State University in Shreveport, USA AmandaC. Crnkovic --- Louisiana State University in Shreveport, USAIn seasonally arid environments many species undergo some form of dormancy, such as aestivation. The dietary habits of those species during the period of seasonal aridity are poorly known. Little is known of the seasonal variation in the diet of... -
Diet of a guild of geckos in a fragmented, human‐altered African rainforest
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Lorenzo Rugiero --- F.I.Z.V. (Herpetology), Italy Luca Luiselli --- Centre of Environmental Studies, Italy EdemA. Eniang --- Biodiversity Preservation Center, Nigeria GodfreyC. Akani --- The Rivers State University of Science and Technology, NigeriaThe ecology of gekkonids occurring in African forests is poorly known. In this paper, we analyse the feeding habits of a guild of sympatric geckos at a forest‐plantation mosaic area in south‐eastern Nigeria. Faeces were collected on handling from Hemidactylus... -
Translocation of black‐headed dwarf chameleons Bradypodion melanocephalum in Durban, KwaZulu‐Natal, South Africa
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: AdrianJ. Armstrong --- Ezemvelo KZN Wildlife, South AfricaThe coastal population of the black‐headed dwarf chameleon Bradypodion melanocephalum is threatened by rapid urban expansion in and around Durban which lies in the centre of the chameleon population's distribution. Translocations of threatened species from urban development sites is a... -
Food choice of an Algerian population of the spur‐thighed tortoise, Testudo graeca
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Rachid Rouag --- Centre universitaire d'El Tarf, Algerie Chahira Ferrah --- Université Badji Mokhtar, Algérie Luca Luiselli --- Centre of Environmental Studies Demetra s.r.l, Italia Ghoulem Tiar --- Université Badji Mokhtar, Algérie Slim Benyacoub --- Université Badji Mokhtar, Algérie Nadia Ziane --- Université Badji Mokhtar, Algérie El Hassan El Mouden --- Université Cadi Ayyad, MarocThe diet of an Algerian population of spur‐thighed tortoise (Testudo graeca) was studied with the aims of exploring: (i) the variation in diet among males, females and juveniles, (ii) the relationships between consumption and relative availability of the plant species,... -
The impacts of past cultivation on the reptiles in a South African grassland
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Gavin P. R. Masterson --- University of the Witwatersrand, South Africa Bryan Maritz --- University of the Witwatersrand, South Africa Darian Mackay --- University of the Witwatersrand, South Africa GrahamJ. Alexander --- University of the Witwatersrand, South AfricaHabitat transfonnation is the primary anthropogenic threat to global biodiversity. Fragmentation of reptile populations following habitat transfonnation within a landscape can lead to the extirpation of species. We investigated the effects of land-use on the species richness and abundance of... -
Distribution and conservation of the coastal population of the black-headed dwarf chameleon Bradypodion melanocephalum in KwaZulu-Natal
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: AdrianJ. Armstrong --- Ezemvelo Kzn Wildlife, South AfricaThe coastal population of the black-headed dwarf chameleon Bradypodion melanocephalum in KwaZulu-Natal appears to be centred on the eThekwini Municipal Area, which is experiencing rapid urban development. This population occurs in few statutory protected areas, all of which are small... -
Small and sensitive to drought: consequences of aridifiation to the conservation of Homopus signatus signatus
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Victor J. T. Loehr --- University of the Western Cape, South Africa MargarethaD. Hofmeyr --- University of the Western Cape, South Africa BrianT. Henen --- University of the Western Cape, South AfricaSeveral climate models predict that the western Succulent Karoo in South Africa will aridi-fy. This region includes the range of the smallest tortoise, Homopus signatus signatus. Although the effects of rainfall on the physiology and ecology of H. s. signatus... -
Conservation assessment of the critically endangered frog Mantella aurantiaca in Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Roma Randrianavelona --- Madagasikara Voakajy, Madagascar Harisoa Rakotonoely --- Université d' Antananarivo, Madagascar Jonah Ratsimbazafy --- Université d' Antananarivo, Madagascar RichardK. B. Jenkins --- Madagasikara Voakajy, MadagascarMantella aurantiaca is a small, bright orange, terrestrial amphibian that is endemic to the island of Madagascar. The species has attracted significant attention from herpetologists and captive breeders but relatively little effort has been given to its conservation in the... -
Small, specialised and highly mobile? The tree-hole breeding frog, Phrynobatrachus guineensis, lacks fine-scale population structure
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Laura Sandberger --- Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, Germany Heike Feldhaar --- University of Osnabrück, Germany KathrinP. Lampert --- University of Bochum, Germany DunjaK. Lamatsch --- Austrian Academy of Sciences and Institute for Limnology, Austria Mark-Oliver Rödel --- Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, GermanyData on population dynamics and distribution are of primary interest to biologists because they reveal information about the species' ecology and evolution and are thus essential for conservation efforts. Patchily distributed species are especially interesting for conservation studies, because of... -
Age structure in the false tomato frog Dyscophus guineti from eastern Madagascar compared to the closely related D. antongilii (Anura, Microhylidae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Giulia Tessa --- Università degli Studi, Italy FabioM. Guarino --- Università di Napoli Federico II, Italy JasminE. Randrianirina --- Parc Botanique et Zoologique de Tsimbazaza, Faune, Madagascar Franco Andreone --- Museo Regionale di Scienze Naturali, Zoology, ItalyThe false tomato frog, Dyscophus guineti, is an endemic species of eastern Madagascar, typically found in open and swampy areas of mid-elevation forests. We measured 62 females and 70 males from a population from Marovato, next to Brickaville. Snout-vent length... -
Calumma vohibola, a new chameleon species (Squamata: Chamaeleonidae) from the littoral forests of eastern Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Philip-Sebastian Gehring --- Technical University of Braunschweig, Germany FanomezanaM. Ratsoavina --- Technical University of Braunschweig, Germany Miguel Vences --- Technical University of Braunschweig, Germany Frank Glaw --- Zoologische Staatssammlung München, GermanyWe describe Calumma vohibola sp. nov., a morphologically distinct chameleon species of the Calumma nasutum species group from littoral forest fragments of the north-central east coast of Madagascar. Males and females of this species differ from all other species of... -
The ‘peer’ in ‘Peer Review’
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Gad Perry --- Texas Tech University, USA Jaime Bertoluci --- Universidade de São Paulo, Brazil Bruce Bury --- USGS, USA RobertW. Hansen --- , USA Robert Jehle --- University of Salford, UK John Measey --- University of the Western Cape, South Africa BradR. Moon --- University of Louisiana at Lafayette, USA Erin Muths --- USGS, USA MarcoA. L. Zuffi --- Museum Natural History, University of Pisa, Italy -
Predation on the eggs of ground-nesting birds by Dasypeltis scabra (Linnaeus, 1758) in the moist highland grasslands of South Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Michael F. Bates --- , , South Africa Ian T. Little --- , South AfricaWe provide evidence for predation by the Common Egg-eater (Dasypeltis scabra) on the eggs of three species of ground-nesting birds, namely African Pipit (Anthus cinnamomeus), Cape Longclaw (Macronyx capensis) and Common Quail (Coturnix coturnix). Although egg-eaters have been recorded as... -
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 AfricaFeed 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... -
Perception of government employees on the use of biometric technology in determining a person’s ethnic group in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Martins E. Irhebhude --- Nigerian Defence Academy, Nigeria Adeola O. Kolawole --- Nigerian Defence Academy, Nigeria Agwi C. Uche --- Nigerian Defence Academy, Nigeria Adeleye V. Dupe --- Nigerian Defence Academy, NigeriaSelected biometric technologies such as iris, face, gait, voice, etc. are widely used for the recognition of individuals. This paper presents a biometric technology perception by members of staff from government agencies in Nigeria, namely: the National Identity Management Commission... -
The relationship of a weight-efficacy lifestyle with anthropometric indices among middle-aged Iranian women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mahbobeh Kianfar --- Ahvaz Jundishapur University of Medical Sciences, Iran Poorandokht Afshari --- Ahvaz Jundishapur University of Medical Sciences, Iran Parvin Abedi --- Ahvaz Jundishapur University of Medical Sciences, Iran Mohammadhossein Haghighizadeh --- Ahvaz Jundishapur University of Medical Sciences, IranBackground: Overweight or obese middle-aged women are at a greater risk of chronic diseases. This study aimed to evaluate the relationship between a weight-efficacy lifestyle and anthropometric indices in middle-aged women. -
Key role-players’ perceptions of the current salt legislation in South Africa: opportunities and challenges
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Marzanne van Loggerenberg --- Stellenbosch University, South Africa Bianca van der Westhuizen --- University of South Africa, South Africa Nelene Koen --- Stellenbosch University, South Africa -
Roles and responsibilities of expert clients in adolescent HIV service delivery in Eswatini: a conventional content analysis
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Charisse V Ahmed --- University of Pennsylvania School of Nursing, USA Guy Weissinger --- University of Pennsylvania School of Nursing, USA Anne M Teitelman --- University of Pennsylvania School of Nursing, USA Ndumiso Sabelo Dlamini --- University Research Co., LLC, Eswatini Nontsikelelo Patience Dlamini --- University Research Co., LLC, Eswatini Thuthukile Cebsile Dlamini --- University Research Co., LLC, Eswatini Angel Nkambule --- University Research Co., LLC, Eswatini Siphesihle Nkambule --- University Research Co., LLC, Eswatini Bridgette M Rice --- Villanova University, USA Marianne Calnan --- University Research Co., LLC, EswatiniWe aimed to elucidate the specific roles and responsibilities of expert clients in service delivery among adolescents living with HIV in Eswatini, and to provide recommendations for enhancing adolescent service provision among expert clients and similar lay health workers throughout... -
The use of monitoring data and community feedback mechanisms to increase HIV testing among men during a cluster-randomised community mobilisation trial in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca L West --- University of California San Francisco, USA Rhandzekile Mathebula --- , South Africa Dumisani Rebombo --- , South Africa Rhian Twine --- University of the Witwatersrand, South Africa Aimée Julien --- University of Antwerp, Belgium Nkosinathi Masilela --- University of the Witwatersrand, South Africa Mi-Suk Kang Dufour --- University of California San Francisco, USA Dean Peacock --- , South Africa Kathleen Kahn --- University of the Witwatersrand, South Africa Audrey Pettifor --- University of the Witwatersrand, South Africa Sheri A Lippman --- University of California San Francisco, USAThis short communication describes the development and implementation of a programme monitoring and feedback process during a cluster-randomised community mobilisation intervention conducted in rural Bushbuckridge, Mpumalanga, South Africa. Intervention activities took place from August 2015 to July 2018 with the... -
Symptoms of depression, anxiety, and thoughts of suicide/self-injury in adolescents and young adults living with HIV in Botswana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Merrian Brooks --- , USA Barbara Burmen --- , Botswana Anthony Olashore --- University of Botswana, Botswana Alemayehu Mekonnen Gezmu --- University of Botswana, Botswana Keneilwe Molebatsi --- University of Botswana, Botswana Ontibile Tshume --- , Botswana Onkemetse Phoi --- , Botswana Knashawn Morales --- University of Pennsylvania Perelman School of Medicine, USA Mogomotsi Matshaba --- University of Botswana, Botswana Tami Benton --- University of Pennsylvania Perelman School of Medicine, and Children’s Hospital of Philadelphia, USA Elizabeth D Lowenthal --- University of Pennsylvania Perelman School of Medicine, and Children’s Hospital of Philadelphia, USAGlobally, mental health problems have been reported to be more common in youth living with HIV (YLWH) than in the general population, but routine mental health screening is rarely done in high-volume HIV clinics. In 2019, YLWH in a large... -
The classroom environment and college students’ being silent/hidden dropouts: The chain of mediating effects of college identification and academic achievement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongtao Gan --- Shantou University, China Tian Zhang --- Shantou University, China Jian Gao --- Shantou University, China Yifei Li --- Universiti Malaya, College of Education, Malaysia Jing Zhang --- Shantou University, China Wenjun Wang --- Cleveland State University, USAThe present study investigated the relationship between the classroom environment (CE) and hidden dropout (HD), and the chain mediating role of college identification (CI) and academic achievement (AA) in that relationship. A total of 1 214 Chinese college students were... -
Cultural Models of Emotions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tingting Hu --- Hangzhou Dianzi University, P.R. China Shuyong Li --- Panzhihua University, P.R. China -
Proactive personality and academic procrastination in graduate students: Their chain-mediation by research self-efficacy and learning adaptability
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hang Zhang --- Henan University, China Zhaoyang Xin --- Henan University, China Qinglin Wang --- Henan University, China Qianfeng Li --- Institute of Advanced Studies in Humanities and Social Sciences, Beijing Normal University, China Jing Du --- Henan University, China Minghui Wang --- Henan University, ChinaThis study explored the relationship between graduate students’ proactive personality and academic procrastination, and the chain-mediation by research self-efficacy and learning adaptability. Participants were 905 postgraduates in China (female =70%; first year =56%; humanities and social sciences =54%). They completed... -
Father influences on child social adaptability: Mediation by peer communication ability
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zeming Jin --- Shaoxing University, China Ruiqian Li --- Shaoxing University, China Yanyan Liu --- Shaoxing University, China Wenxiao Cui --- Shaoxing University, China Xiao Yang --- Shaoxing University, ChinaWe examined the relationship between fathers’ parenting attitudes and children’s social adaptability, as well as the mediating effect of children’s peer communication ability in that relationship. The participants were 228 young Chinese children (boys =54.3%, girls=45.7%; mean age =5 years,... -
Sensory marketing and gastronomy: the case of Ecuadorian haute cuisine restaurants
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Klaes Eringa --- NHL Stenden University of Applied Sciences, The Netherlands Viviana Carolina Proaño Paredes --- NHL Stenden University of Applied Sciences, The NetherlandsA visit to a haute cuisine restaurant is a feast for all the senses. This study investigates sensory aspects of Ecuadorian haute cuisine which has recently grown in popularity. A key reason for this popularity is the diversity and availability... -
On minimum proper essential extensions in a category
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Anthony W. Hager --- Wesleyan University, USA Brian Wynne --- Lehman College, CUNY, USAIn a concrete category A satisfying certain natural conditions, we investigate minimum proper essential extenstions (A-mpee’s) and how this relates to atoms in the complete lattice hoA of hull operators on A (if A # is the category with... -
Low self-esteem and cyberbullying perpetration among Chinese adolescents: Mediation by catharsis and moderation by sex
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xianliang Zheng --- Gannan Normal University, China Lijuan Huang --- Gannan Normal University, China Zhihua Xie --- Gannan Normal University, China Linlu Peng --- Gannan Normal University, ChinaThis study aimed to investigate the association between self-esteem and cyberbullying via the mediating role of catharsis and moderating role of sex. The sample consisted of 665 Chinese adolescents (317 girls; mean age = 14.56 years, SD = 0.96 years),... -
College students’ loneliness and problematic mobile phone use: Mediation by fear of missing out
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qishan Zheng --- Lingnan University, China Sisi Liu --- Lingnan University, China Jianhong Zheng --- , China Maojin Gu --- Lingnan University, China Wuming He --- , ChinaThis study examined the relationship between loneliness and problematic mobile phone use among university students, as well as the mediating role of fear of missing out in that relationship. College undergraduates (n = 233; female = 51.1%; first-year students =... -
Alexithymia and mobile phone addiction among college students: Mediation by boredom proneness and anxiety
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huaibin Jiang --- Fujian Polytechnic Normal University, China Hanyu Liang --- Guizhou Medical University, China Bing Li --- Guizhou University, China Anxie Tuo --- Guizhou Medical University, ChinaThe current study explored the mediating role of boredom and anxiety on the relationship between alexithymia and mobile phone addiction among Chinese college students. Participants (n = 354; female = 49.7%, mean age = 19.30 years, SD = 1.28 years)... -
How does organisational support improve job satisfaction? A moderated mediation analysis based on evidence from a global survey
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ye Tian --- China University of Geosciences, China Yungui Guo --- Hunan University of Science and Technology, ChinaWe tested a moderated mediation model that examines the mediating role of personal accomplishment and the moderating role of work interest in the relationship between organisational support and job satisfaction among post-doctoral students/fellows. Our sample comprised 6 575 post-doctoral students/fellows... -
Conservation status and threats to lovebirds: knowledge gaps and research priorities
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sascha Dueker --- University of KwaZulu-Natal, South Africa Sandi Willows-Munro --- University of KwaZulu-Natal, South Africa Michael R Perrin --- University of KwaZulu-Natal, South Africa Yilma D Abebe --- , Ethiopia Nathaniel ND Annorbah --- University of Environment and Sustainable Development, Ghana Esther W Mwangi --- National Museums of Kenya, Kenya Ireene R Madindou --- National Museums of Kenya, Kenya Wondimagegnehu Tekalign --- Wolaita Sodo University, Ethiopia Emiliano Mori --- Istituto di Ricerca sugli Ecosistemi Terrestri, Italy Tiwonge I Mzumara --- , United Kingdom Chris Brown --- , Namibia Ursula Bryson --- , Namibia Henry Ndithia --- National Museums of Kenya, Kenya Tim Dodman --- , United Kingdom Henriette van der Zwan --- North-West University, South Africa Rencia van der Sluis --- North-West University, South Africa Chaona R Phiri --- Manchester Metropolitan University, United Kingdom Abigail Karimanzira --- , Zimbabwe Rowan O Martin --- , United KingdomLovebirds (genus Agapornis of family Psittaculidae) are a group of small, colourful parrot species endemic to sub-Saharan Africa and Madagascar, two-thirds of which are considered to have declining populations. Effective conservation efforts are hampered by a lack of information, particularly... -
Governance challenges in Ghana’s artisanal and small-scale mining (galamsey) sector: Is stakeholder interaction the way forward?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Issah Baddianaah --- University for Development Studies, Ghana Bernard Nuoleyeng Baatuuwie --- University for Development Studies, Ghana Abdul-Moomin Adams --- S.D. Dombo University of Business and Integrated Development Studies, GhanaArtisanal and small-scale mining (ASM) operations have surged in Ghana in recent years causing many environmental and social problems. The government has employed the military to eradicate illegal mining operations. However, despite the military’s countless efforts to clamp down on... -
Set-valued solutions of an equation of Jensen type
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Alina Ramona Baias --- Technical University of Cluj-Napoca, Romania Dorian Popa --- Technical University of Cluj-Napoca, Romania Michael Th. Rassias --- Institute of Mathematics, University of Zurich, SwitzerlandIn this paper we provide a characterization theorem for set-valued solutions of the functional equation for the case of compact, convex valued maps. We prove that every solution of the functional equation is the sum of an additive single-valued function... -
The relationships between socioeconomic status, dietary knowledge and patterns, and physical activity with adiposity in urban South African women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Gudani Mukoma --- University of the Witwatersrand, South Africa Stephanie V Wrottesley --- University of the Witwatersrand, South Africa Juliana Kagura --- University of the Witwatersrand, South Africa Tolu Oni --- University of Cambridge, United Kingdom Lisa Micklesfield --- University of the Witwatersrand, South Africa Shane A Norris --- University of the Witwatersrand, South Africa -
Achieving career marketability through helping others: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qin Chen --- Harbin Institute of Technology, China Li Zhang --- Harbin Institute of Technology, China Zhenduo Zhang --- Dalian University of Technology, ChinaWe explored the relationship between helping behaviour and career marketability, explicating the underlying mechanisms and boundary conditions in that relationship. A total of 203 full-time Chinese workers (female = 51.2%; mean age = 32.27 years, SD = 6.34 years; managers... -
Mindfulness and meaning in life: The mediating effect of self-concept clarity and coping self-efficacy during the COVID-19 pandemic
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiaohao Mai --- South China Normal University, China Fang Li --- Sichuan Normal University, China Biyun Wu --- Jiangxi Normal University, China Junfang Wu --- , ChinaThe current study aimed to investigate self-concept clarity and coping self-efficacy as mechanisms for mindfulness and meaning in life in a community pandemic experience. Participants were 538 Chinese college students (female = 70.40%, mean age = 20.01 years, SD =... -
Corporate social responsibility and employee knowledge sharing: The roles of organisational trust and exchange quality
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Si Qian --- Beijing Technology and Business University, China Ke Ma --- Beijing Technology and Business University, China Siqi Guo --- Beijing Technology and Business University, ChinaDrawing on the social exchange theory, this study aimed to examine the relationship between perceived corporate social responsibility (CSR) and employee knowledge-sharing behaviour, including the roles organisational trust and exchange quality play in that relationship. Survey data were collected from... -
Social support and health-related quality of life in Nigerian cancer patients: Role of cancer-related stress
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Erhabor Sunday Idemudia --- North-West University, South Africa Desmond Uchechukwu Onu --- University of Nigeria, Nigeria Maria-Chidi Christiana Onyedibe --- University of Nigeria, Nigeria Lawrence E Ugwu --- North-West University, South AfricaWe investigated the mediating influence of cancer-related stress (CRS) in social support health-related quality of life (HRQoL) among Nigerian cancer patients. Nigerian cancer patients (n = 316; female = 64.6%; mean age = 50.16 years, SD = 13 years) completed... -
Intercropping forage cactus with sorghum affects the morphophysiology and phenology of forage cactus
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Alexandre Maniçoba da Rosa Ferraz Jardim --- Federal Rural University of Pernambuco, Brazil Luciana Sandra Bastos de Souza --- Federal Rural University of Pernambuco, Brazil Cleber Pereira Alves --- Federal Rural University of Pernambuco, Brazil Jandis Ferreira Nunes de Araújo --- Federal Rural University of Pernambuco, Brazil Carlos André Alves de Souza --- Federal Rural University of Pernambuco, Brazil Antonio Gebson Pinheiro --- Federal Rural University of Pernambuco, Brazil Gherman Garcia Leal de Araújo --- , Brazil Fleming Sena Campos --- Federal Rural University of Pernambuco, Brazil José Nildo Tabosa --- Agronomic Institute of Pernambuco, Brazil Thieres George Freire da Silva --- Federal Rural University of Pernambuco, BrazilThe aim of this study was to evaluate morphophysiological indices, phenology and cutting time of forage cactus (Opuntia and Nopalea spp.) clones intercropped with sorghum cultivars (Sorghum bicolor). The experiment was carried out from 2017 to 2018, in two cropping... -
Forage yield, competition and economic benefit of intercropping cactus and millet with mulch in a semi-arid environment
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Marcondes de Sá Souza --- Universidade Federal Rural de Pernambuco, Brasil George do Nascimento Araújo Júnior --- Universidade Federal Rural de Pernambuco, Brasil Luciana Sandra Bastos de Souza --- Universidade Federal Rural de Pernambuco, Brasil Alexandre Maniçoba da Rosa Ferraz Jardim --- Universidade Federal Rural de Pernambuco, Brasil Gabriel Italo Novaes da Silva --- Universidade Federal Rural de Pernambuco, Brasil Gherman Garcia Leal de Araújo --- , Brasil Fleming Sena Campos --- , Brasil Maurício Luiz de Mello Vieira Leite --- Universidade Federal Rural de Pernambuco, Brasil José Nildo Tabosa --- Instituto Agronômico de Pernambuco, Brasil Thieres George Freire da Silva --- Universidade Federal Rural de Pernambuco, BrasilThis study aimed to quantify forage yield, economic performance, biological efficiency and competitive ability in cactus intercropped with millet, compared with their monocrops, both with and without mulch, under irrigation. The experiment was conducted over two years in semi-arid of... -
Cadmium exposure induces testicular oxidative damage and histopathological changes in the freshwater leech Limnatis nilotica (Savigny, 1822): the protective role of salicylic acid
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Ichrak Khaled --- University of Gafsa, Tunisia Issam Saidi --- University of Gafsa, Tunisia Raja Ben Ahmed --- Université de Tunis El Manar, Tunisia Ramzi Amari --- University of Gafsa, Tunisia Waleed Aldahmash --- King Saud University, Saudi Arabia Octavian Pacioglu --- National Institute of Research and Development for Biological Sciences, Romania Najla Hfaiedh --- University of Gafsa, Tunisia Abdel Halim Harrath --- King Saud University, Saudi ArabiaThe present study examined the histopathological changes and some parameters of oxidative stress in the testes of the freshwater leech Limnatis nilotica, following their exposure to 50 µg l−1 of cadmium (Cd). The protective effects of salicylic acid (SA) in... -
An exploratory study of Indian scientists’ perceptions of their roles and responsibilities in science communication
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abhay S.D. Rajput --- Indian Institute of Tropical Meteorology, India Sangeeta Sharma --- Birla Institute of Technology and Science (BITS)-Pilani, IndiaDifferent stakeholders worldwide expect scientists to play an active role in public engagement activities. Additionally, numerous studies and policy documents state that scientists should be accountable for fostering increased dialogue between science and society. However, there is still much uncertainty... -
HIV-sensitive social protection: an assessment of east and southern Africa’s social protection policies and programmes
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Zitha Mokomane --- University of Pretoria, South Africa Nonhlanhla Xaba --- , South Africa Kai Roehm --- , South Africa Mutinta Hambayi --- , Kenya Manaan Mumma --- , Kenya Giovanni Giordana --- , Kenya Simphiwe Mabhele --- , South Africa Christian Mouala --- ,Despite notable political and financial commitment to fight the HIV epidemic, east and southern Africa (ESA) remains the world regions most affected. Given increasing calls for the implementation of HIV-sensitive social protection programmes to address the multiple individual, community and... -
Almost clean elements in C(X)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: R. Mohamadian --- Shahid Chamran University of Ahvaz, IranAn element a in a ring R is called almost clean if a can be written as a = r + e, where r is a regular (non zero-divisor) element and e is an idempotent. It is well known that... -
On finite Sylow tower and σ-tower groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jinzhuan Cai --- Hainan University, P.R. China Inna N. Safonova --- Belarusian State University, Belarus Alexander N. Skiba --- Francisk Skorina Gomel State University, Belarus Zhigang Wang --- Hainan University,In this paper, G is a finite group and σ a partition of the set of all primes ℙ, that is, σ = {σ i | i ∈ I}, where ℙ = ⋃ i∈I σ i and σ i ∩... -
A sufficient condition for planar graphs to be DP-4-colorable
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ziwen Huang --- Yichun University, China Jianqing Ma --- Wuhan University of Science and Technology, China Xiaoxia Zhang --- Xinyang Normal University, ChinaIn 2017, Dvořák and Postle introduced DP-coloring (known as correspondence coloring) as a generalization of list coloring. Recently, a lot of attention has been put on sufficient conditions for planar graphs to be DP-4-colorable. Liu et al. [17] proved that... -
Second Language Acquisition: An Introductory Course (5th edn)
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Ni Li --- Ocean University of China, China Lianrui Yang --- Ocean University of China, China -
Source use in research articles in second language writing: A state-of-the-art review
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Xiangmei Yang --- Qingdao Agricultural University, China Tao Zhang --- Qufu Normal University, China Lianrui Yang --- Ocean University of China, China Yani Xu --- Jiangsu University of Technology, ChinaThis review aims to outline topics of interest and methodological approaches of empirical studies on source-use research from 2000 to 2020. The following research foci are identified: (1) the source misuse from the perspective of concept dimension; (2) the rhetorical... -
Double-edged sword effect of servant leadership on employee creativity: Mediation–moderation analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hui Wang --- Xiangtan University, China Xueshuang Chen --- Xiangtan University, China Jian Zhu --- Xiangtan University, China Xiangqing Li --- Xiangtan University, ChinaDrawing on social information processing theory (SIPT), this study examines the mediating role of creative self-efficacy and follower dependency on the relationship between servant leadership and employee creativity, focusing on task uncertainty moderation. Data was collected from 338 employees in... -
Father–child relationship and children’s peer competence: Mediated by children’s emotional regulation and environmental adaptation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wenxiao Cui --- Shaoxing University, China Ruiqian Li --- Shaoxing University, China Xiao Yang --- Shaoxing University, China Xia Wu --- Shaoxing University, ChinaThis study aimed to explore father–child relationships and young children’s peer competence, as mediated by child emotional regulation and environmental adaptation. The children’s fathers and teachers completed peer competence, child emotional regulation and environmental adaptation measures on 216 Chinese children... -
The Psychology of Inequity: Motivation and Beliefs
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qian Chu --- Hangzhou Dianzi University, China Jing Zhang --- Institute of Psychological Health, Hangzhou Dianzi University, China -
Asymptotic properties for compressions of two-isometries
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Laurian Suciu --- “Lucian Blaga” University of Sibiu, RomaniaThe bounded linear operators T on a Hilbert space which have 2-isometric liftings S on are investigated in this paper. We refer to the structure of those operators in the case of general liftings, as well as for a more... -
Multiplicity of positive solution for Schrödinger-Poisson system with p-Laplacian
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Weiqiang Zhang --- Lanzhou University, People’s Republic of China Peihao Zhao --- Lanzhou University, People’s Republic of ChinaIn this paper, we consider the positive solutions for a Schrödinger-Poisson system containing p-Laplacian and Poisson equation. With a local condition on the potential, by using penalization method, Nehari manifold and Ljusternik-Schnirelmann category theory, the multiplicity and concentration of solutions... -
On the eigenvalues of Laplacian ABC-matrix of graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bilal Ahmad Rather --- United Arab Emirates University, UAE Hilal A. Ganie --- , India Xueliang Li --- Nankai University, ChinaFor a simple graph G, the ABC-index is a degree based topological index and is defined as -
The morphophysiological mechanisms of light-induced net primary production of Amazonian tree species
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Victor Alexandre Hardt Ferreira dos Santos --- , Brazil Ana Flávia Monteiro de Souza --- Federal University of Amazonas, Brazil Bruna de Oliveira dos Santos --- Federal University of Amazonas, Brazil Adriana Grandis --- University of São Paulo, Brazil Marciel José Ferreira --- Federal University of Amazonas, BrazilWe investigated the morphophysiological mechanisms indicative of resource uses behind net primary production in seedlings of three valuable forest species of socio-economic value in the Amazon:mahogany (Swietenia macrophylla), Brazil nut (Bertholletia excelsa) and Laurel (Cordia alliodora). The hypotheses tested were:... -
Fine-scale variation reveals high structure and floristic heterogeneity in dry forests of the Cerrado
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Frederico Augusto Guimarães Guilherme --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Deivid Lopes Machado --- Universidade Federal de Jataí, Brasil Gabriel Eliseu Silva --- Universidade Federal de Jataí, Brasil Natanael Moreira Nascimento --- Universidade Federal de Jataí, Brasil Gustavo Luz Ferreira --- Universidade Federal de Jataí, Brasil Kaila de Assis Ressel Pereira --- Universidade Federal de Jataí, Brasil Ana Paula de Souza --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Pollyana de Godoy Borges --- Universidade Federal de Jataí, Brasil Laura Rezende Souza --- Universidade Federal de Jataí, Brasil James Dean Leal Rocha --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Christiano Peres Coelho --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Everton Alves Maciel --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Wendy Carniello Ferreira --- Universidade Federal de Jataí, Brasil Marlon Zortéa --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Steffan Eduardo Silva Carneiro --- Universidade Federal de Jataí, BrasilThis study aimed to compare the floristic and tree structure of two dry forests patches located in a forest remnant encompassed in Cerrado biome, south Goiás state, Brazil. In semideciduous (SF) and deciduous (DF) dry forests, we allocated 25 permanent... -
Presence of the alien Rose-ringed Parakeet Psittacula krameri (Psittacidae) in Mozambique
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Francesca Romana Trezza --- University Eduardo Mondlane – Sapienza University of Rome, Mozambique Ivan da Costa Nerantzoulis --- , Mozambique Silvio Cianciullo --- University Eduardo Mondlane – Sapienza University of Rome, Mozambique Hugo Mabilana --- University Eduardo Mondlane, Mozambique Célia Macamo --- University Eduardo Mondlane, Mozambique Fabio Attorre --- Sapienza University of Rome, Italy Carlos Manuel Bento --- , Mozambique Paolo Ramoni-Perazzi --- University Eduardo Mondlane – Sapienza University of Rome, MozambiqueThe biology of the Rose-ringed Parakeet Psittacula krameri has been widely studied in many of its naturalized habitats around the world. However, its potential status and impacts may have gone unnoticed in regions with limited monitoring. In this report, we... -
Chinese foreign direct investment and business start-ups in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Philip Akrofi Atitianti --- Africa Research Centre, Xiamen, People’s Republic of China Samuel Kofi Asiamah --- University of Education, GhanaIn recent decades, Chinese FDI has become an integral investment source for African countries and has, therefore, engendered studies seeking to understand the determinants of these flows. In a quest to identify the factors that stimulate these flows, this paper... -
Moderating role of organizational culture in the relationship between total quality management and organizational innovation among manufacturing SMEs in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kabir Musa Shuaib --- Tianjin University, People’s Republic of China Zhen He --- Tianjin University, People’s Republic of ChinaPrevious studies on the total quality management and innovation relationship have had mixed findings. We predict that organizational culture could moderate the relationship between total quality management and organizational innovation. The study collected empirical data from 433 small and medium-sized... -
How college students’ social media information overload affects sleep quality: The mediating effect of social fatigue and irrational procrastination
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Li --- Zhejiang University, China Tingting Gao --- Zhejiang University, China Yinghua Ye --- Zhejiang University, ChinaInformation overload is a pervasive phenomenon in the information age and has a negative impact on personal psychological experiences and behavioural performance. The relationship between WeChat information overload and sleep quality was examined, as well as the mediating effects of... -
Teacher support and student engagement in mathematics: The chain mediating role of academic self-efficacy and achievement goal orientation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanfei Yang --- Universiti Pendidikan Sultan Idris, Malaysia Guangzheng Li --- Jiangsu Normal University, China Fenfen Song --- , China Yuan Yuan --- Universiti Pendidikan Sultan Idris, MalaysiaThis explored how teacher support impacted student engagement in mathematics. A total of 632 students in Grades 7 to 9 from junior middle schools in China were participants (females = 54.27%, mean age = 13.97, SD = 0.88). They completed... -
Self-esteem mediation of perceived social support and depression in university first-year students: A longitudinal study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Pei Jiang --- Hunan Normal University, China Zhihui Zhang --- Hunan Institute of Engineering, ChinaThis study aimed to explore the development of and change in perceived social support, self-esteem, and depression in college first-year students, as well as the relationships among them. A total of 509 Chinese college first-year students (females = 65.6%, mean... -
Linking servant leadership to work strains: The mediating effect of strengths use
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nan Wang --- Renmin University of China, China Yuxiang Luan --- Renmin University of China, China Rui Ma --- North Minzu University, ChinaThe current study examined the relationship between servant leadership and employees’ work strain, as well as the mediating role of strengths use in that relationship. Participants were 179 Chinese employees (female = 49%; mean age = 27 years; mean tenure... -
4th Industrial Revolution skills in the current South African accountancy curricula: A systematic literature review
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Estelle Landsberg --- , South Africa Liandi van den Berg --- , South AfricaThe business environment has seen rapid changes due to the Fourth Industrial Revolution (4IR) and the influence of exponential technological advancements. The enhancement of technology-based work environments has changed the skill set needed by graduates entering the workforce. In this... -
A new species of African legless skink, genus Acontias Cuvier, 1816 “1817” (Squamata: Scincidae) from Serra da Neve inselberg, south-western Angola
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Mariana P. Marques --- Carnegie Museum of Natural History, USA Diogo Parrinha --- Universidade do Porto, Portugal Arthur Tiutenko --- Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany Manuel Lopes-Lima --- Universidade do Porto, Portugal Aaron M. Bauer --- Villanova University, USA Luis M. P. Ceríaco --- Universidade do Porto, PortugalDuring a recent survey of the Serra da Neve inselberg in south-western Angola, a population of legless skinks of the genus Acontias was found. Only three species of this genus have been recorded for the country so far – A... -
The influence of TI-property and subnormality of self-centralizing subgroups of non-prime-power order on the structure of finite groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jiangtao Shi --- Yantai University, P.R. China Na Li --- Beijing Jiaotong University, P.R. ChinaWe obtain a complete classification of the structure of finite groups in which every self-centralizing subgroup of non-prime-power order is a TI-subgroup or a subnormal subgroup. -
Monotone ODEs with discontinuous vector fields in sequence spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Oleg Zubelevich --- Steklov Mathematical Institute of Russian Academy of Sciences, RussiaWe consider a system of ODE in a Fréchet space with unconditional Schauder basis. The right side of the ODE is a discontinuous function. Under certain monotonicity conditions we prove an existence theorem for the corresponding initial value problem. We... -
Use of H5P interactive learning content in a self-paced MOOC for learning activity preferences and acceptance in an Indonesian medical elective module
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Pratiwi Rahadiani --- Universitas Indonesia, Indonesia Aria Kekalih --- Universitas Indonesia, Indonesia Desak Gede Budi Krisnamurti --- Universitas Indonesia, IndonesiaThis study aims to assess the learning activities that students find most helpful in self-paced MOOC settings, develop a questionnaire, and determine the predictors of students’ acceptance of H5P interactive content. This research is a quantitative study. The experimented details... -
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, NigeriaThis 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... -
Valuing East African Anglophone Writing: Aesthetic Range and Narrative Powers
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Annie Gagiano --- Stellenbosch University, South Africa -
Family violence during COVID-19 and its impact on mental health of children: A systematic review
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Eslavath Rajkumar --- Indian Institute of Technology Bhilai, India Jayashree Mitra --- Central University of Karnataka, India Reethika Yadav --- Central University of Karnataka, India P. V. Hareesh --- Central University of Karnataka, India Alakananda Gangadharan --- Central University of Karnataka, India M. C. Gopika --- Central University of Karnataka, India Anamika Ben Christa --- Central University of Karnataka, India Allen Joshua George --- Indian Institute of Management, India Aswathy Gopi --- Central University of Karnataka, India Romate John --- Central University of Karnataka, India S. Arya --- Amity Institute of English Studies & Research, India John Abraham --- St. Johns National Academy of Health Sciences, India L. Rajashekaran --- Central University of Karnataka, IndiaPurpose: The COVID-19 pandemic posed unanticipated challenges that could impact how the family system operates across the world. Restrictions imposed to control the rapid spread of the virus substantially increased violence in families. The current study aims to review violence... -
The “double-edged sword” effect of social media usage on postgraduate student creativity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- Xiangtan University, China --- Xiangtan University, China --- Xiangtan University, ChinaBased on the social media use theory and goal orientation theory, this study explored the “double-edged sword” effect of social media usage on postgraduate student creativity. Participants in the study were 262 postgraduate students from Xiangtan University in China (females... -
Lepidoptera as a tool for the assessment of human disturbance impacting ecological and taxonomic diversity in the Choke Mountains, Ethiopia
Item type: Journal Article • Journal: African Zoology • Authors: --- Ethiopian Biodiversity Institute, Ethiopia --- University of Brescia, Italy --- University of Brescia, Italy --- University of Molise, ItalyIn tropical countries, frequent anthropogenic disturbances are primary drivers of the reduction in community diversity and local extinction of many insect taxa, including Lepidoptera. We assessed the impact of anthropogenic disturbances on lepidopteran assemblages across five different land use types... -
“ … [I]f I can [be] infected now that means I am going to die … ”: an explorative study focusing on vulnerable, immunocompromised groups and caregivers experiences and perceptions of the Covid-19 pandemic in South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Alicia North --- Registry of Older Australians (ROSA), South Australia Allanise Cloete --- HSRC, South Africa Shandir Ramlagan --- HSRC, South Africa Thabang Manyaapelo --- HSRC, South Africa Amukelani Ngobeni --- HSRC, South Africa Noloyiso Vondo --- HSRC, South Africa Derrick Sekgala --- HSRC, South AfricaIn this paper, we explored how vulnerable, immunocompromised groups and caregivers of the elderly experienced and perceived the onset of the Covid-19 pandemic in South Africa. Semi-structured interviews were conducted remotely between the 5th andthe 18th of April 2020 in... -
Effect of rotational harvesting on the size composition of Cape rock oysters Striostrea margaritacea on the east coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Steyn --- Oceanographic Research Institute, South Africa JC Groeneveld --- Oceanographic Research Institute, South Africa J Santos --- Norwegian College of Fishery Science, Uit – The Arctic University of Norway, NorwayA commercial fishery for the Cape rock oyster Striostrea margaritacea along the north coast of KwaZulu-Natal, South Africa (western Indian Ocean), follows a 4-year rotational cycle, with each harvest year followed by 3 fallow years across four harvest zones. We... -
Wing-moult and seasonal occurrence of sunbirds (Nectariniidae) captured at four sites in the Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bo T Bonnevie --- Rhodes University, South Africa Adrian JFK Craig --- Rhodes University, South Africa Pat E Hulley --- Rhodes University, South Africa Albert Schultz --- , South Africa Anthony J Tree --- Rhodes University, South AfricaRinging activity in the Eastern Cape province, South Africa, spanned 30 years, with three sites active concurrently over a 14-year period, and three sites over a 6-year period. In total, in the course of 714 ringing days, in all months,... -
Special issue on moult in African birds
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Craig --- Rhodes University, South Africa Birgit Erni --- University of Cape Town, South Africa -
Equity of the HIV epidemic response in 13 African countries
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Gary Gaumer --- Brandeis University, USA V. S. Senthil Kumar --- Brandeis University, USA William Crown --- Brandeis University, USA Monica Jordan --- Brandeis University, USA Clare Hurley --- Brandeis University, USA Maya Subramanian --- Brandeis University, USA A. K. Nandakumar --- Brandeis University, USAFor over 25 years, new programs to attempt to stem the HIV epidemic have been developed in Africa by country governments as well as external donors. These programs and activities have built and operated facilities, trained clinicians, financed drugs and... -
Effects of succinic acid impregnation on physical properties of sapwood and heartwood from plantation-grown short-rotation teak
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Sarah Augustina --- National Research and Innovation Agency (BRIN), Indonesia Teguh Darmawan --- National Research and Innovation Agency (BRIN), Indonesia Sudarmanto --- National Research and Innovation Agency (BRIN), Indonesia Narto Narto --- National Research and Innovation Agency (BRIN), Indonesia Adik Bahanawan --- National Research and Innovation Agency (BRIN), Indonesia Danang S Adi --- National Research and Innovation Agency (BRIN), Indonesia Dimas Triwibowo --- National Research and Innovation Agency (BRIN), Indonesia Yusup Amin --- National Research and Innovation Agency (BRIN), Indonesia Imran A Sofianto --- National Research and Innovation Agency (BRIN), Indonesia Prabu S Sejati --- National Research and Innovation Agency (BRIN), Indonesia Wahyu Dwianto --- National Research and Innovation Agency (BRIN), Indonesia Witjaksono --- National Research and Innovation Agency, Indonesia Ragil Widyorini --- Universitas Gadjah Mada, Philippe Gérardin --- Université de Lorraine, France Sari Delviana Marbun --- National Research and Innovation Agency (BRIN), IndonesiaThe aim of this study was to improve the properties of 15-year-old short rotation teak wood using a succinic acid (SA) treatment without excessively increasing the weight gain. The samples were classified as sapwood (SW) and heartwood (HW). Samples were... -
Genetic variability of Tachigali vulgaris trees based on seed morphophysiological traits
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Noemi Vianna Martins Leão --- , Brazil Sérgio Heitor Sousa Felipe --- Universidade Estadual do Maranhão, Brazil Ricardo Gallo --- Universidade Federal Rural de Pernambuco, Brazil Elizabeth Santos Cordeiro Shimizu --- , BrazilTachigali vulgaris is a tree with high potential for energy purposes in Brazil. However, there is little information about genetic variability that can be applied to plant breeding. Here, we quantified genetic variability based on biometric and emergence traits of... -
Privileges of birth: constellations of care, myth and race in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Shanee Giani --- University of the Free State, South Africa -
Tactile technologies of the self: connection, hapticscape and self-development narratives in Cape Town’s Afro-Latin dance scene
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Alice Aterianus-Owanga --- Institut d’ethnologie, Université de Neuchâtel, SwitzerlandDrawing on ethnographic research within the salsa, bachata and kizomba (SBK) scene of Cape Town, this article examines the values and narratives of personal development that Cape Town’s adepts of Afro-Latin dance elaborate around the emic notion of “connection.” I... -
Sensing together: multisensory experiences and political phenomenology in Southern African cities
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Alice Aterianus-Owanga --- Institut d’ethnologie, Université de Neuchâtel, Switzerland -
Classify, exclude, police: urban lives in South Africa and Nigeria
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Yongjin Wang --- Institute of Ideology and Politics, Hangzhou Dianzi University, China -
Nitrogen fertiliser demand of canola is low when produced in conservation agriculture systems in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Izané Riana Crous --- Stellenbosch University, South Africa Johan Labuschagne --- Stellenbosch University, South Africa Pieter Andreas Swanepoel --- Stellenbosch University, South AfricaCurrent fertiliser guidelines for nitrogen (N) application for canola under conservation agriculture (CA) in South Africa, may result in over-fertilisation. This study aimed to evaluate the effects of N rates and foliar applied N on biomass, seed and oil yield... -
Growth, vegetative rescue and vegetative propagation in Eucalyptus species and hybrids
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Patrícia Fukushima de Souza --- Universidade do Estado de Santa Catarina Centro de Ciências Agroveterinárias, Brazil Marcio Carlos Navroski --- Universidade do Estado de Santa Catarina Centro de Ciências Agroveterinárias, Brazil Mariane Oliveira Pereira --- Universidade do Estado de Santa Catarina Centro de Ciências Agroveterinárias, Brazil Marcos Felipe Nicoletti --- Universidade do Estado de Santa Catarina Centro de Ciências Agroveterinárias, Brazil Ramon Silveira de Andrade --- Universidade do Estado de Santa Catarina Centro de Ciências Agroveterinárias, BrazilThe objective of the study was the evaluation of survival and productivity indicators in different species/hybrids of Eucalyptus in the adult stage, as well as the vegetative rescue of adult trees and cuttings, testing for species/hybrids, concentration of growth regulator... -
Participatory establishment of Cenchrus ciliaris forage grass among pastoralists in a semi-arid rangeland area of eastern Tanzania
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Onesmo Damian Ngenzi --- Sokoine University of Agriculture, Tanzania Peter Rogers Ruvuga --- , Tanzania George Mutani Msalya --- Sokoine University of Agriculture, Tanzania David Dawson Maleko --- Sokoine University of Agriculture, TanzaniaIn the semi-arid areas of Africa many pastorallsts move their livestock to find better grazing when forage is scarce during the dry season. However, the practice of forage cultivation can sustain fodder supply for effective livestock feeding during these times... -
The influence of crises on the financial position of multinationals in emerging markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Peter Vaz da Fonseca --- Mackenzie Presbyterian University, Brazil Michele Nascimento Jucá --- Mackenzie Presbyterian University, Brazil João Paulo da Torre Vieito --- Polytechnic Institute of Viana do Castelo, PortugalThis investigation is one of the first to analyse the relationships between leverage and bankruptcy costs, interest expenses, tax benefits and firm value, in multinational and domestic companies, during periods of crisis and financial stability. The analysed data are related... -
On the Lp -sine moment-entropy inequality
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zi-Xin Cao --- Shaanxi Normal University, China Qingzhong Huang --- Jiaxing University, China Ai-Jun Li --- Zhejiang University of Science and Technology, ChinaIn this paper, we establish a sine version of the moment-entropy inequality due to Lutwak et al. [8]. Moreover, we show that this inequality is equivalent to the Lp -sine moment-entropy inequality recently established in [6]. -
On a comparison between absolute and relative self-adjoint extension schemes
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Noè Angelo Caruso --- Mathematical Institute, Silesian University in Opava, Czech Republic Alessandro Michelangeli --- Prince Mohammad Bin Fahd University, Saudi Arabia Andrea Ottolini --- University of Washington, USAThe problem of connecting the operator parameters that label the same self-adjoint extension of a given symmetric operator, respectively, within the ‘absolute’ von Neumann extension scheme and the ‘relative’ boundary-triplet-induced extension scheme (i.e., a la Kreĭn-Višik-Birman) is discussed, and quantitative... -
Generalized Jordan derivable mappings on
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Kaijia Luo --- Institute of Mathematics, Hangzhou Dianzi University, China Jiankui Li --- School of Mathematics, East China University of Science and Technology, China Shanshan Su --- School of Mathematics, East China University of Science and Technology, ChinaLet be a Hilbert space over the real or complex field and be the algebra of all bounded linear operators on . For arbitrary fixed points C, D, M in , we investigate the structure of linear mappings δ and... -
Derivations in disjointly complete commutative regular algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Aleksey Ber --- National University of Uzbekistan, Uzbekistan Vladimir Chilin --- North-Ossetian State University, Russia Fedor Sukochev --- UNSW, AustraliaWe show that any nonexpansive derivation on a subalgebra of a dis-jointly complete commutative regular algebra extends up to a derivation on . For an algebra of functions , continuous on a dense open subset of Stone compact X, we... -
Hereditarily projectable Archimedean lattice-ordered groups with unit
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Anthony W. Hager --- Wesleyan University, USA Brian Wynne --- , USALet W be the category of Archimedean lattice-ordered groups with distinguished weak unit and unit-preserving ℓ-group homomorphisms. We denote by P, wP, Loc, HA, respectively, the collections of projectable, weakly projectable, local, and hyperarchimedean W-objects. For any C ⊆ W,... -
Towards a geometrical equivalence of norms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Eder Kikianty --- University of Pretoria, South AfricaAngular equivalence of norms, introduced by Kikianty and Sinnamon (2017), is a notion of norm equivalence that is more attuned to the geometry of the norms. For certain geometrical properties and two angularly equivalent norms, it is the case that... -
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, RussiaThe 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... -
Distribution, habitat and vulnerability to climate change of the Endangered Leptopelis xenodactylus
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Kirsty J. Kyle --- North-West University, South Africa Louis H. Du Preez --- North-West University, South Africa James Harvey --- 41 Devonshire Avenue, South Africa Adrian J. Armstrong --- Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal, South AfricaLeptopelis xenodactylus is a little-known, Endangered species of frog that is thought to be endemic to the KwaZulu-Natal Province of South Africa. In an effort to determine the distribution of this species more accurately, a working species distribution model was... -
New distribution records and population density of the Critically Endangered Tarzan Chameleon (Calumma tarzan), eastern Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Alain JV Rakotondrina --- Madagasikara Voakajy, Madagascar Raphali R Andriantsimanarilafy --- Madagasikara Voakajy, Madagascar Hanta J Razafimanahaka --- Madagasikara Voakajy, Madagascar Achille P Raselimanana --- , Madagascar Rikki Gumbs --- Zoological Society of London, United Kingdom Caleb Ofori-Boateng --- Zoological Society of London, United Kingdom Jody M Taft --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Fanomezana M Ratsoavina --- Université d’Antananarivo, MadagascarThe distribution and population density of the Critically Endangered Tarzan Chameleon (Calumma tarzan) in eastern humid forests of Madagascar was studied using line transect-distance sampling. Based on the results from species distribution models, eight sites were visited over a four-month... -
10 years of the Africa Journal of Management: A bibliometric analysis
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Katia M. Galdino --- Georgia Southern University, USA Diane Lawong --- University of Alabama at Birmingham, USAThe Africa Journal of Management (AJOM) is devoted to the advancement of management theory, scholarship, practice, service, and education in or about Africa and for the benefit of Africa. The journal was launched at the 2014 Africa Academy of Management... -
Africa Journal of Management: A decade in the making
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Bruce T. Lamont --- Florida State University, USA Hermann A. Ndofor --- Indiana University, USA Moses N. Kiggundu --- Carleton University, Canada -
Social exclusion and social anxiety among Chinese undergraduate students: Fear of negative evaluation and resilience as mediators
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Shuai --- Ningxia University, China Guoying Cai --- Ningxia University, China Xianan Wei --- Ningxia University, ChinaThis study investigated how fear of negative evaluation and resilience fi.mction as mediators in the association between social exclusion and social anxiety among Chinese undergraduate students. Participants (n = 876; female= 64.7%; freshman= 69.4%; mean age= 19.6 years, SD =... -
Perceived teacher support and student engagement: The chain mediating effect of basic psychological needs satisfaction and learning drive
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiuni Xu --- Long Dong University, China Zhen Wu --- Tianjin University of Technology and Education, China Dongpo Wei --- Shandong Huayu University of Technology, ChinaThis study explored the relationship between perceived teacher support and student engagement, and the influence of the basic psychological needs satisfaction and learning drive in this relationship. We sampled 1 136 Chinese higher vocational students, and 1 031 students’ questionnaires... -
Health provider administration functions, patient satisfaction, and loyalty: Their mediation by patient healthcare service quality perceptions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Geoffrey Bentum-Micah --- Zhejiang Normal University, China Lianyu Cai --- Zhejiang Normal University, China Sampson Agyapong Atuahene --- Zhejiang Normal University, China Moses Agyemang Ameyaw --- Zhejiang Normal University, China Victor Bondzie-Micah --- Hong Kong Baptist University, Hong Kong Stephen Sarfo Adu-Yeboah --- Hefei University of Technology, ChinaThe study tested a health service quality mediation model on patient satisfaction and loyalty outcomes with provider administration functions. Participants were 7 108 outpatients from eleven public hospitals in Hubei province, China (female = 58.5%; infections and chronic diseases =... -
Zoning the occurrence of
Thyrinteina arnobia in eucalypts and its relationship with the spectral behaviour of canopies and soil attributesItem type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Caíque Carvalho Medauar --- , Brazil Samuel de Assis Silva --- , Brazil Luis Carlos Cirilo Carvalho --- State University of Santa Cruz, Brazil Willian Bucker Moraes --- Federal University of Espírito Santo, Brazil Marcus Vinicius Masson --- State University of Paulista, Brazil Ricardo Previdente Martins --- , Brazil Sidinei Dallacort --- , Brazil João Mendes Cicarini Hott --- Federal University of Espírito Santo, BrazilThis study aimed to outline areas at risk of the occurrence of eucalypt defoliator caterpillars and their relationship with variations in the spectral behaviour of canopies and soil attributes. The study was conducted in three eucalypt plantation areas of the... -
Estimation of lumber recovery for small-scale mobile sawmills in Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ernest William Mauya --- Sokoine University of Agriculture, Tanzania Lynder Gesase --- Sokoine University of Agriculture, Tanzania Gabriel Mangi --- Sokoine University of Agriculture, Tanzania Gilberth Temba --- Sokoine University of Agriculture, Tanzania Diana Tesha --- Sokoine University of Agriculture, Tanzania Sami Madundo --- Sokoine University of Agriculture, Tanzania Nandera Juma Lolila --- Sokoine University of Agriculture, Tanzania Justo Ndyanabo Jonas --- Sokoine University of Agriculture, TanzaniaLumber recovery is an important parameter in determining the production efficiency and viability of mobile sawmilling operations. In this study, lumber recoveries for mobile sawmilling machines operating in four different locations in Tanzania were estimated. A total of 11 mobile... -
Existence results for fractional Dirichlet problems of p-Laplacian with instantaneous and non-instantaneous impulses on time scales
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xing Hu --- Neijiang Normal University, P.R. China Yongkun Li --- Yunnan University, People’s Republic of ChinaIn this paper, by means of a relation between Riemann-Liouville fractional derivative and Caputo fractional derivative on time scales and with the help of variational methods and critical point theory, we obtain the existence results for a class of fractional... -
Lie derivable maps at unit operator on nest algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Kaipeng Li --- Xidian University, P.R. China Lei Liu --- Xidian University, P.R. ChinaLet be a nontrivial nest on a separable Hilbert space and be the associated nest algebra. In this note, we prove that, if contains an atom of infinite rank or is uncountable, then the unit operator I is a Lie... -
On property-(R 1) and relative Chebyshev centers in Banach spaces-II
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Syamantak Das --- Indian Institute of Technology Hyderabad, India Tanmoy Paul --- Indian Institute of Technology Hyderabad, IndiaWe continue to study (strong) property-(R 1) in Banach spaces. As discussed by Pai & Nowroji in [On restricted centers of sets, J. Approx. Theory, 66(2), 170–189 (1991)], this study corresponds to a triplet , where X is a Banach... -
On an extension of Hall’s criterion
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jiangtao Shi --- Yantai University, ChinaLet A and G be finite groups such that A acts coprimely on G by automorphisms, assume that G has a maximal A-invariant subgroup M that is a direct product of some isomorphic simple groups, we prove that if G... -
Concircularly semi-symmetric metric connection
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Miroslav D. Maksimović --- University of Priština in Kosovska Mitrovica, Serbia Miloš Z. Petrović --- University of Niš, Serbia Nenad O. Vesić --- Mathematical Institute of Serbian Academy of Sciences and Arts, University of Belgrade, Milan Lj. Zlatanović --- University of Niš, SerbiaResults on a concircularly semi-symmetric metric connection on a Riemannian manifold are presented. Six linearly independent curvature tensors with respect to this non-symmetric linear connection are studied, and the tensors coincident with the Weyl projective curvature tensor and the concircular... -
Stability analysis of fully dynamic piezoelectric beams with internal fractional delay
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianghao Hao --- Shanxi University, P.R. China Jing Yang --- Shanxi University, P.R. ChinaIn this paper, we are interested in the stability analysis of one-dimensional fully dynamic piezoelectric beam systems with internal fractional delay under different feedback controls (boundary and internal). By introducing two new equations to deal with fractional delay, equivalent new... -
Counting Common Starlings: is Sturnus vulgaris invasive in rural South Africa?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Rhodes University, South Africa Shelley Edwards --- Rhodes University, South AfricaThe numbers of Common Starlings Sturnus vulgaris and indigenous starling species, as well as a subset of other common birds, were recorded from October 2006 to January 2020 at 72 point-count sites along four routes (two urban and two rural)... -
On the largest regular subring of C(X)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A. Adelzadeh --- Shahid Chamran University of ahvaz, Iran F. Azarpanah --- Shahid Chamran University of ahvaz, Iran R. Mohamadian --- Shahid Chamran University of ahvaz, IranWe call a real-valued function f on a topological space X a locally constant if each point x ∈ X has a neighborhood on which f is constant. The set of all locally constant functions f: X → ℝ is... -
Super-skewsymmetric super-biderivations on the N = 1 super Heisenberg-Virasoro algebra
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jinlu Li --- Shanghai University, China Jiancai Sun --- Shanghai University, ChinaIn this paper, the super-skewsymmetric super-biderivations on the N = 1 super Heisenberg-Virasoro algebra are completely determined. Furthermore, we find that every super-skewsymmetric super-biderivation of the N = 1 super Heisenberg-Virasoro algebra is inner. -
Perceived insider status and innovative behaviour of the new generation of employees: Mediating effect of innovative self-efficacy and moderation of group competitive climate
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shujie Yuan --- Huangshan University, People's Republic of China Runbin Jiang --- Capital Normal University, People's Republic of ChinaBased on social identity theory, this study investigated the perceived insider status and innovative behaviour relationships in new generation employees by their innovative self-efficacy and group competitive climate in the work context. New generation employees (n = 338) drawn from... -
Retorts in Igbo discourse
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: KelvinFrancis Olisaemeka Obitube --- University of Nigeria, Nigeria Sopuruchi Christian Aboh --- University of Nigeria, Nigeria Chimezirim Iheoma Ucheoma --- University of Nigeria, NigeriaThis article studies the social factors influencing the use of retorts in Igbo discourse and how these factors determine the psychological impact of retorts. By adopting a cross-sectional survey design and anchoring on the concept of politeness system, the study... -
Social anxiety and problematic social network site use: The sequential mediating role of self-esteem and self-concept clarity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wu --- Shaoxing University, China Xu Zhang --- Shaoxing University, China Yuan Gao --- Shaoxing University, China Qianxiu Xiao --- Shaoxing University, ChinaThis study explored the relationship between social anxiety and problematic social network sites use and the mediating role of self-esteem and self-concept clarity. A total of 811 college students (female= 58.2%; mean age= 19.18 years, SD = 1.12 years) completed... -
Public information disclosure practices and civic participation: The roles of social justice perceptions and internet use
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongjiang Wu --- Chongqing University, China Zhi Li --- Chongqing University, ChinaThis study examined the relationship between public information disclosure practices and civic participation and the roles of social justice perceptions and internet use in that relationship. Our data comes from the 2019 Chinese Social Survey (CSS, 2019), a large nationwide... -
How and when illegitimate tasks lead to cyberloafing: The role of meaningful work and appreciative leadership
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qian Ma --- Renmin University of China, China Yuxuan Xie --- Tsinghua University, ChinaThis study examined how and when illegitimate tasks are related to employee cyberloafing with meaningful work and appreciative leadership. Participants were 289 employees of a Chinese energy firm (female = 59.5%; bachelor's degree = 75.8%; mean age = 30.86 years, SD... -
Growth and adaptability of provenances and progenies of Pinus maximinoi H.E.Moore in northern Mozambique
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cremildo Riba Gouveia Dias --- Agricultural Research Institute of Mozambique, Mozambique Laurina Adriano Guacha --- Institute of Geography and Spatial Planning, University of Lisbon, Portugal Aires Afonso Mbanze --- Universidade Lúrio (Campus Universitário de Unango), MozambiqueThe aim of this study was to evaluate the growth and adaptability of Pinus maximinoi provenances and progenies and to estimate the genetic variation that could be exploited in feature improvement (e.g. breeding studies). Data from this study are from... -
Biomass production and nutritional efficiency in short rotation eucalypt clone plantations for energy in north-east Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Welluma Teixeira Barros --- State University of Southwest Bahia, Brazil Patrícia Anjos Bittencourt Barreto-Garcia --- State University of Southwest Bahia, Brazil Valdemiro da Conceição Júnior --- State University of Southwest Bahia, Brazil Marcos Gervasio Pereira --- Federal Rural University of Rio de Janeiro, Brazil Paulo Henrique Marques Monroe --- State University of Southwest Bahia, Brazil Maicon dos Santos da Silva --- São Paulo State University, Brazil Mariana dos Santos Nascimento --- State University of Southwest Bahia, Brazil Jaqueline Lima Morais --- State University of Southwest Bahia, BrazilSelecting adapted hybrids with greater efficiency in the use and return of nutrients is essential to ensure the success of forestry activities. Although topics on the nutritional sustainability of eucalypt biomass harvesting have frequently been discussed, few studies have focused... -
Effect of botanical composition calibration on the accuracy of undisturbed sward height and comparative yield method techniques for herbage mass estimation in tropical heterogeneous pastures
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Diana Marcela Valencia-Echavarría --- , Colombia Yury Tatiana Granja-Salcedo --- , Colombia David Felipe Nieto-Sierra --- , Colombia Piedad Yanneth Martínez-Oquendo --- , Colombia Gonzalo de Jesús Restrepo-Castañeda --- , Colombia Lucas Esteban Cano-Gallego --- , Colombia Olga Lucía Mayorga-Mogollón --- , ColombiaThis study aimed to evaluate the influence of botanical composition calibration on the accuracy of undisturbed sward height and comparative yield method (CYM) techniques for herbage mass estimation in tropical heterogeneous pastures. Two studies were conducted using two grazing systems... -
A plant-based dietary approach to the management of type 2 diabetes mellitus in South Africa: short communication of a multiple-case study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Nanine Wyma --- Physicians Association for Nutrition South Africa, South Africa Christi Niesing --- North-West University, South Africa Andrew KL Robinson --- Physicians Association for Nutrition South Africa, South Africa Petra Bester --- North-West University, South Africa -
Gender differences in the pathway of childhood trauma, impulsivity and adult eating behaviour: a cross-sectional study
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Antônio Bonfada Collares Machado --- Institute of Psychology, Federal University of Rio Grande do Sul, Brazil Katia Irie Teruya --- Institute of Psychology, Federal University of Rio Grande do Sul, Brazil Rogério Friedman --- Universidade Federal do Rio Grande do Sul, Brazil Gibson Juliano Weydmann --- Institute of Psychology, Federal University of Rio Grande do Sul, Brazil Eduardo Remor --- Institute of Psychology, Federal University of Rio Grande do Sul, Brazil Lisiane Bizarro --- Institute of Psychology, Federal University of Rio Grande do Sul, BrazilObjective: The current cross-sectional study aimed to examine the association between childhood trauma, impulsivity, binge eating symptoms, and body mass index (BMI) in a sample of males and females. We also aimed to investigate the indirect association of childhood trauma... -
Adolescent psychiatric inpatients’ perceptions of treatment and seclusion
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Miriam K Yurtbasi --- School of Clinical Sciences, Monash University, Australia Michael Gordon --- School of Clinical Sciences, Monash University, Australia Leeanne Fisher --- Austin Health, Child & Youth Mental Health Services Directorate, Australia Ric Haslam --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Chidambaram Prakash --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Bianca Blatchford --- Austin Health, Child & Youth Mental Health Services Directorate, Australia Christine Pavlou --- Early in Life Mental Health Service, Monash Children’s Hospital, Australia Daniel Darmanin --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Stephanie Verstandig --- Early in Life Mental Health Service, Monash Children’s Hospital, Australia Adam Blake --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Whitney Cornell --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Lauren Cameron --- School of Clinical Sciences, Monash University, Australia Glenn Melvin --- School of Psychology, Faculty of Health, Deakin University, AustraliaObjectives: A great deal of attention is being directed at the use of seclusion in adolescent inpatient psychiatric units due to its forceful nature and negative impact on inpatients and staff. This mixed methods study aimed to explore and compare... -
Play therapy efficacy in ADHD-symptom reduction as measured by the Test of Variables of Attention (TOVA)
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Susi Rutmalem Bangun --- , Indonesia Bayu Soenarsana Putra --- , Indonesia Wahyu Tri Atmojo --- , Indonesia Ery Surya Sevriana --- , Indonesia Yumna Nur Millati Hanifa --- , Indonesia Rayi Citra Ayu Pangestuti --- , IndonesiaObjective: We aimed to investigate the effect of play therapy combined with the standard psychotropic medication treatment, compared to only standard psychotropic medication treatment in ADHD children as measured by the test of variables of attention (TOVA). -
Use and management of seagrass ecosystems in southwestern Madagascar
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F Rakotonjanahary --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, Madagascar C Rakotomahazo --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, Madagascar J Nirinamamiko --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, Madagascar T Razakarisoa --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, Madagascar GGB Todinanahary --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, Madagascar T Lavitra --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, Madagascar G Lepoint --- UR FOCUS, University of Liège, Belgium MA Vanderklift --- CSIRO Environment, Indian Ocean Marine Research Centre, Australia L Ranivoarivelo --- Institut Halieutique et des Sciences Marines (IH.SM), University of Toliara, MadagascarMadagascar’s seagrass meadows are among the least-studied ecosystems in the western Indian Ocean region. To facilitate sustainable management, understanding the traditional uses of seagrass areas in relation to current management policies is necessary. This study assessed the uses of, and... -
The second nonlinear mixed bi-skew Lie triple derivations on factor von Neumann algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yuan Yang --- Shaanxi Normal University, People’s Republic of China Jianhua Zhang --- Shaanxi Normal University, People’s Republic of ChinaLet be a factor von Neumann algebra with dim . In this paper, it is shown that if a map satisfies for all , then ϕ is an additive ∗-derivation, where . -
Anton Reichenow and the birds of Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Rhodes University, South AfricaThe first handbook of the birds of Africa was completed in 1905 by Anton Reichenow (1847–1941). Based in the Berlin museum for almost 50 years, he described 152 African taxa that are still recognised as valid species today, and was... -
South African birds in a Canadian museum: the legacy of colonial service by Lionel E Taylor
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Rhodes University, South Africa WRJ Dean --- FitzPatrick Institute, University of Cape Town, South AfricaThe Beaty Biodiversity Museum in Vancouver, British Columbia, Canada, holds a collection of 498 specimens of 275 bird species presented by Lionel E Taylor, who worked in South Africa for the Department of Forestry from 1902 to 1911. Most specimens... -
Highly variable breeding phenology in an arid region colonial cooperative breeder, the Sociable Weaver Philetairus socius
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Pietro B D’Amelio --- Université Paris-Saclay and Centre National de la Recherche Scientifique (CNRS), Institut des Neurosciences Paris-Saclay, France Nicolas J Silva --- , France Liliana R Silva --- University of Porto, Portugal André C Ferreira --- University of Zurich, Switzerland Franck Theron --- University of Porto, Portugal Claire Doutrelant --- , France Rita Covas --- University of Porto, PortugalDescribing breeding phenology (the timings of reproductive events) is central for studying individual fitness and population dynamics. While fundamental differences in breeding strategies between different biomes (e.g. tropics and temperate regions) have long been identified, detailed descriptions based on long-term... -
An adaptive differential evolution algorithm based on relaxation strategy to realize the Nash equilibrium of multi-oligopoly game
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Huimin Li --- Xuzhou University of Technology, China Shuwen Xiang --- Guizhou University, China Shiguo Huang --- Zhengzhou University of Light Industry, Enquan Luo --- Guizhou University, ChinaInspired by the idea of game learning, this paper studies the Cournot game model of the multi-oligopoly market and studies the realization of the Nash equilibrium by using adaptive differential evolution algorithm based on relaxation strategies. The realization path of... -
On bi-continuous cosine families
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Christian Budde --- University of the Free State, South AfricaIn this article, we introduce and investigate bi-continuous cosine families. Those are inspired by the theory of bi-continuous semigroups which had an impact in the area of evolution equations in the last decades. The idea here is again that we... -
Exponential stability results for second-order impulsive neutral stochastic differential equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dongdong Gao --- Tongling University, P.R. China Daipeng Kuang --- Hunan Normal University, P.R. China Jianli Li --- Hunan Normal University, P.R. ChinaThis paper is aimed to discuss the existence and exponential stability of mild solutions for second-order impulsive neutral stochastic differential equations (INSDEs). Firstly, we derive the existence of mild solutions for INSDEs by using the Banach fixed point theorem. Then,... -
On existence of positive solutions of p-Laplace equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Tiantian Zhou --- Nanjing Normal University, ChinaIn this paper, we consider the existence of positive solutions of an equation with p-Laplacian -
Almost Yamabe solitons satisfying certain conditions on the associated vector field
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Rahul Poddar --- Sri Sathya Sai Institute of Higher Learning, India Ramesh Sharma --- University of New Haven, USA S. Balasubramanian --- Sri Sathya Sai Institute of Higher Learning, IndiaWe study an almost Yamabe soliton (Mn , g, V, ρ) and obtain various conditions on V in terms of infinitesimal harmonic transformation, 2-Killing, and an inequality, to show that V is Killing. In addition, we have provided characterizations of... -
The effect of digital leadership on employees' radical creativity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jian Zhu --- Xiangtan University, China Yi Luo --- Xiangtan University, China Hui Wang --- Xiangtan University, ChinaDrawing on social information processing theory, this study examined the mediating role of perceived leader expectations (PLE) for creativity and perceived leader support (PLS) for creativity on the relationship between digital leadership (DL) and employees’ radical creativity (RC). A total... -
Social network and entrepreneurial intention of college students in China: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Haoxiang Hou --- Jiangnan University, China Lichao Ma --- Institute of Education, Tsinghua University, China Dan Wang --- , ChinaImproving college students’ entrepreneurial intention is an effective strategy to cultivate entrepreneurial talents and build an innovation-driven country. However, the influencing mechanisms on college students’ entrepreneurial intention are still unclear. The study explored the impact of college students’ social network... -
Purposeful rumination on childhood trauma and post-traumatic growth among college students: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Caiping Zhou --- Hunan University of Finance and Economics, China Liu Ning --- Hunan Normal University, China Haibin Li --- Jiangxi University of Chinese Medicine, ChinaThis study explored the role of cognitive reappraisal and perceived social support in the relationship between purposeful rumination and post-traumatic growth among college students who experienced childhood trauma. A total of 811 college students with childhood trauma exposure (female =... -
Teaching and researching motivation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lin Li --- Hangzhou Dianzi University, China Qian Chu --- Hangzhou Dianzi University, China -
Morphological variations in the African palm weevil, Rhynchophorus phoenicis (F) (Coleoptera: Curculionidae), in Kenya and Uganda
Item type: Journal Article • Journal: African Zoology • Authors: James P Egonyu --- International Centre of Insect Physiology and Ecology, Kenya Alfonce Leonard --- Tanzania Agricultural Research Institute (TARI) Ukiriguru Centre, Tanzania Chrysantus Mbi Tanga --- International Centre of Insect Physiology and Ecology, Kenya Sevgan Subramanian --- International Centre of Insect Physiology and Ecology, KenyaWe investigated morphological differences in the African palm weevil (Rhynchophorus phoenicis) from Kenya (Busia and Kwale) and Uganda using a LEICA EZ4HD stereo microscope and an absolute digimatic caliper. Ten pronotal colour patterns were recorded, of which two (brown with... -
A generalization of Riesz* homomorphisms on order unit spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Florian Boisen --- Institut für Analysis, TU Dresden, Germany Valentin G. Hölker --- Institut für Analysis, TU Dresden, Germany Anke Kalauch --- Institut für Analysis, TU Dresden, Germany Janko Stennder --- Institut für Analysis, TU Dresden, Germany Onno van Gaans --- Leiden University, The NetherlandsRiesz homomorphisms on vector lattices have been generalized to Riesz* homomorphisms on ordered vector spaces by van Haandel using a condition on sets of finitely many elements. Van Haandel attempted to prove that it suffices to take sets of two... -
On mid (p, r)-compact operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Salthiel Malesela Maepa --- University of Pretoria, South Africa Brian Chihinga Ndumba --- University of Pretoria, South AfricaLet 1 ≤ p ≤ ∞ and 1 ≤ r ≤ p* where p* is the conjugate index of p. We introduce and study mid (p, r)-compact sets and operators. We begin by introducing and defining the mid (p, r)-compact... -
Afrocentric triple helix: A communal perspective on addressing Africa’s economic and social challenges
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Motolani Agbebi --- University of Tampere, Finland Jianing Song --- University of Manchester, UK Aminu Mamman --- University of Manchester, UK Nabil Baydoun --- Academic Affairs, Vice Chancellor Office, Hamdan Bin Mohammed Smart University, United Arab EmiratesThat collaboration has always been the foundation of human development as well as the coping strategy of some animal species is a view widely shared by scholars. In fact, no individual, organization or nation can produce everything it needs without... -
Subgroups of products of Nagata semitopological groups and related results
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Liang-Xue Peng --- Beijing University of Technology, ChinaIn this article, we introduce notions which are called property (c*) and property (M 3*) for semitopological groups. We show that if G is a regular semitopological group with a q-point, property (c*) and Sm(G) ≤ ω, then G is... -
Book Review. ‘The Fluvial Imagination: On Lesotho’s Water-Export Economy’
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Adrian Nel --- University of KwaZulu-Natal, South Africa -
Book Review: ‘Sustainability of Southern African Ecosystems under Global Change’
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Brian W van Wilgen --- Stellenbosch University, South Africa -
Tanzania’s batik industry: Status, challenges, and opportunities
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Pendo Bigambo --- University of Dar es Salaam, Tanzania Viridiana Peter --- University of Dar es Salaam, Tanzania Mbonea Mrango --- University of Dar es Salaam, Tanzania Safina Kimbokota --- University of Dar es Salaam, TanzaniaBatik is a textile fabric produced by resist-dyeing techniques which involve waxing some parts of fabric and repeatedly dyeing the fabric until the desired design is achieved. Batik is reported to have originated in Java, Indonesia, and was transferred to... -
Blockchain technology-driven supply chain financing for Ghana’s SMEs: An evaluation of the dilemmas to adoption using a picture fuzzy preference selection index technique
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Elijah Asante Boakye --- University of Electronic Science and Technology of China, People’s Republic of China Hongjiang Zhao --- University of Electronic Science and Technology of China, People’s Republic of China Millicent Adu-Damoah --- University of Electronic Science and Technology of China, People’s Republic of ChinaSmall and medium-sized enterprises (SMEs) have been urged to embrace blockchain technology-driven supply chain financing (BcTSCF) by the Ghana Enterprises Agency (GEA) and the Association of Ghana Industries (AGI); however, a substantial number have not responded favourably. With the utilization... -
The impact of printing industry effluent on the growth and antioxidant response of the freshwater green microalga Chlorella sorokiniana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: IY Okpanachi --- Nigerian Army University Biu, Nigeria U Aminu --- Ahmadu Bello University, Nigeria AO Jolaoso --- University of Lagos, Nigeria WN Yusufu --- Ahmadu Bello University, Nigeria E Abdulmalik --- Ahmadu Bello University, Nigeria MA Chia --- Ahmadu Bello University, NigeriaContamination of aquatic ecosystems with printing industry wastewater is a serious concern because of the toxicity associated with the effluent components and a tendency to create cascading ecological effects. The influence of printing-press effluent on the freshwater microalga Chlorella sorokiniana... -
Functional stylistic studies to pedagogic discourse: a systematic review of literature
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Guoqiang Liu --- Universiti Teknologi Malaysia, Malaysia Wan Farah Wani Wan Fakhruddin --- Universiti Teknologi Malaysia, Malaysia Tianli Zhou --- Tongren Polytechnic College, ChinaPedagogic discourse has been studied stylistically from many theoretical perspectives. However, there is no recent systematic review of the functional stylistic approach to pedagogic discourse. This study presents a systematic review of the functional stylistic approach to analysing multimodal pedagogic... -
The African Penguin Spheniscus demersus should be considered Critically Endangered
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Richard B Sherley --- Environment and Sustainability Institute/Centre for Ecology and Conservation, University of Exeter, United Kingdom Azwianewi B Makhado --- , South Africa Robert JM Crawford --- , South Africa Christina Hagen --- , South Africa Jessica Kemper --- , Namibia Katrin Ludynia --- University of the Western Cape, South Africa Makhudu J Masotla --- , South Africa Alistair McInnes --- , South Africa Lorien Pichegru --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Desmond Tom --- , Namibia Leshia Upfold --- , South Africa Lauren J Waller --- University of the Western Cape, South AfricaThe African Penguin Spheniscus demersus has been considered a threatened species since 1984 and, aside from a short period around 2000, its population has been in constant decline since at least the 1950s. By combining counts of the numbers of... -
‘The Happy Valley’: Temporalized Spatiality in Michael Radford’s White Mischief (1987)
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Boneace Chagara --- Institute for Asian and African Studies, GermanyContemporary times mark a fundamental shift in our sense and experience of the world. The postmodern condition — as remarked by Fredric Jameson (1991) and Jean-Francois Lyotard (1979), among others — calls for new conceptions of lived reality. Nevertheless, profound... -
Signals of change: eating trends shaping the future of food service
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Ian Yeoman --- NHL Stenden University of Applied Sciences, The Netherlands Una McMahon-Beattie --- Ulster University Business School, Ulster University, United KingdomFood security is a problem across the world, as prices rise under pressure from climate change, geopolitics, demographics and de-globalisation. These factors, when combined, will impact on the food service sector. In this trends article, the authors identify ten trends... -
Travelling together: exploring the impact of support and service animals on travel experiences
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marianna Moraes --- University of California, USAThe phenomenon of multi-species families is increasingly linked to the growing awareness of the benefits of emotional support and service animals. As more people adopt various animals into their homes, it becomes crucial to understand how these family arrangements influence... -
Changes in anatomical characteristics of Falcataria moluccana wood due to Uromycladium tepperianum infection
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Widyanto Dwi Nugroho --- Universitas Gadjah Mada, Indonesia Brian Nurharjadi --- Universitas Gadjah Mada, Indonesia Shofi Rukhama --- Universitas Gadjah Mada, Indonesia Hairi Cipta --- Universitas Gadjah Mada, Indonesia Sri Rahayu --- Universitas Gadjah Mada, IndonesiaSerious problems have occurred on Falcataria moluccana plantations because of gall rust disease caused by Uromycladium tepperianum. The disease inhibits tree growth, reduces wood quality, and can cause tree mortality. The presence of galls is a notable symptom of this... -
Guidelines for a simplified Value-Added Tax Act
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Muneer E. Hassan --- University of Johannesburg, South Africa Marina Bornman --- University of Johannesburg, South Africa Adrian Sawyer --- University of Canterbury, New ZealandPurpose: The goal of the study is to provide guidelines for a simplified South African Value-Added Tax (VAT) Act. -
On the general position number of the k-th power graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jing Tian --- Zhejiang University of Science and Technology, China Kexiang Xu --- Nanjing University of Aeronautics & Astronautics, ChinaA set is called a general position set of a graph G if any triple set V 0 of R is non-geodesic, that is, three elements of V 0 cannot lie on the same geodesic of G. The general position... -
Psychological empowerment and job burnout in Chinese kindergarten teachers: The mediating effect of occupational stress
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ruiqian Li --- College of Teacher Education, Shaoxing University, China Jie Hou --- College of Teacher Education, Shaoxing University, China Xiongying Liu --- College of Teacher Education, Shaoxing University, China Tong Shen --- College of Teacher Education, Shaoxing University, China Jiaying Xu --- College of Teacher Education, Shaoxing University, China Ziyu Wu --- College of Teacher Education, Shaoxing University, ChinaWe explored the role of occupational stress in the relationship between psychological empowerment and job burnout in kindergarten teachers. Chinese female kindergarten teachers (n = 243) were participants (mean age = 28.2 years, SD = 5.08 years; specialist and below... -
Mothers’ perceptions of children’s emotional behaviour problems and parenting sense of competence: The mediating role of maternal meta-emotion philosophy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mingfei Ma --- Zhejiang Sci-Tech University, China Shaoying Liu --- Zhejiang Sci-Tech University, China Qingning Xu --- Zhejiang Sci-Tech University, China Yujuan Jiang --- , ChinaWe investigated the relationship between mothers’ perceptions of their children’s emotional behaviour problems and their parenting sense of competence, as well as the mediating effect of maternal meta-emotion philosophy in this connection. Participants were 349 mothers of 4- to 17-year-old... -
Integration of psychobiography into professional training in clinical and counselling psychology: Strategies and prospects
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zelda Gillian Knight --- University of Johannesburg, South AfricaPsychobiography or the in-depth interpretation of the life and experiences of a single individual who made a significant impact on society has a long history in academic psychology. In psychological practice, similar methods are often employed to write a case... -
How textual and picture cues influence motor skill learning in short instructional videos: Evidence from eye-tracking experiments
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yue Hu --- Tianjin University of Sport, China Fang Qi --- Tianjin University of Sport, China Yanling Wu --- Tianjin University of Sport, China Pengpeng Yang --- Häme University of Applied Sciences, FinlandThree eye-tracking experiments were designed to determine the influence of textual and graphic cues on motor skill learning in short instructional videos. Experiment 1 (n = 45) manipulated the colour of picture cues (red arrows, white arrows, and without cue)... -
Comparative analysis of habitat structure and macroinvertebrate assemblages in headwater streams of Odzi sub-catchment, Chimanimani District, Zimbabwe, post Cyclone Idai-induced flooding
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Brian Mamvura --- , Zimbabwe Tongayi Mwedzi --- Chinhoyi University of Technology, Zimbabwe Beaven Utete --- Chinhoyi University of Technology, ZimbabweFlooding results in short and long-term modifications of aquatic ecosystem structure and biodiversity. Cyclone Idai, which ravaged through Zimbabwe in 2019, had devastating consequences on aquatic ecosystems. However, the extent of habitat modification and consequent biodiversity shifts are unknown. This... -
Sexual behaviour among Kenyan adolescents enrolled in an efficacy trial of a smartphone game to prevent HIV: a cross-sectional analysis of baseline data
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Victor Mudhune --- Kenya Medical Research Institute, Kenya Kate Winskell --- Emory University, USA Robert A. Bednarczyk --- Emory University, USA Ken Ondenge --- Kenya Medical Research Institute, Kenya Calvin Mbeda --- Kenya Medical Research Institute, Kenya Emily Kerubo --- Kenya Medical Research Institute, Kenya Richard Ndivo --- Kenya Medical Research Institute, Kenya Judith Arego --- Kenya Medical Research Institute, Kenya Marissa Morales --- Emory University, USA Brianna Halliburton --- Emory University, USA Gaëlle Sabben --- Emory University, USASexual behaviour of adolescents is contextual, with various determinants affecting sexual activity and age of sexual debut. Insight into sexual activity among young adolescents has the potential to influence appropriate sexual and reproductive health interventions. For this analysis, adolescents were... -
Evaluating the barriers to adoption of improved biomass cookstoves in Benue state, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chikamso Christian Apeh --- University of Agriculture and Environmental Sciences, Nigeria Stella Nwawulu Chiemela --- University of Nigeria, Nigeria Chinedum Jachinma Chiemela --- University of Nigeria, Nigeria Andrew Chiahalam Apeh --- Enugu State University of Science and Technology, NigeriaThe prevalent use of inefficient traditional stoves for biomass cooking energy in Nigeria contributes to high rates of biomass consumption, deforestation, and harmful pollutant emissions. This study aimed to assess the constraints hindering the adoption of improved biomass cookstoves (IBCS)... -
The number of 1-nearly independent vertex subsets
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Eric O.D. Andriantiana --- Rhodes University, South Africa Zekhaya B. Shozi --- University of KwaZulu-Natal, South AfricaLet G be a graph with vertex set V(G) and edge set E(G). A subset I of V(G) is an independent vertex subset if no two vertices in I are adjacent in G. We study the number, σ 1(G), of... -
Some results on anti-pre-Lie superalgebras and admissible Novikov superalgebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zhao Chen --- Guangxi University for Nationalities, China Shanshan Liu --- Shenzhen Technology University, China Liangyun Chen --- Northeast Normal University, ChinaIn this paper, we extend the notion of anti-pre-Lie algebras to the ℤ2-graded version, and introduce the notion of anti-pre-Lie superalgebras. They can be characterized as a class of Lie-admissible superalgebras that satisfy its negative left multiplication operators are the... -
Clinical characteristics of endocrine disturbances in post-COVID-19 condition, case report with review of literature
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: W. Ji --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China XM. Xie --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China L. Zhang --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China HY. Zhou --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China GR. Bai --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China L. Li --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China YT. He --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China J. He --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China CY. Xia --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China H. Li --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China RD. Li --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China R. Ping --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of China D. Qiang --- The Second Clinical Medical College of Ningxia Medical University, People's Republic of ChinaPost-COVID-19 condition (PCC) is frequently associated with multiple endocrine hormone disturbances, primarily involving the hypothalamic–pituitary–adrenal axis. However, the exact cause remains unclear, particularly concerning whether these symptoms result from hypothalamus damage. This study reports on the clinical characteristics and examination... -
Clinical insights from continuous glucose monitor use in patients living with type 1 diabetes in rural Malawi
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: G Ferrari --- Brigham and Women’s Hospital, USA M Boti --- , Malawi D Nakotwa --- , Malawi A Gomber --- Brigham and Women’s Hospital, USA MM Coates --- Brigham and Women’s Hospital, USA K Kumwenda --- , Malawi F Valeta --- , Malawi L Drown --- Brigham and Women’s Hospital, USA A Thapa --- Brigham and Women’s Hospital, USA V Mithi --- , Malawi A Msekandiana --- Baylor, College of Medicine Children’s Foundation, Malawi C Kachimanga --- , Malawi PH Park --- Brigham and Women’s Hospital, USA AJ Adler --- Brigham and Women’s Hospital, USA G Bukhman --- Brigham and Women’s Hospital, USA T Ruderman --- , Malawi C Trujillo --- Brigham and Women’s Hospital, USA -
Female song in tinkerbirds (family Lybiidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sifiso M Lukhele --- University of Cyprus, Cyprus Matteo Sebastianelli --- University of Cyprus, Cyprus Alexander NG Kirschel --- University of Cyprus, CyprusIn species that are sexually monomorphic, it can be challenging to ascertain whether both males and females sing. This is particularly the case when there are no discernible differences in the vocalisations of each sex. It is known that females... -
Greenhouse gas concentrations in tropical wetlands of the Cross River estuary, Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AB Andem --- University of Calabar, Nigeria OB Ojo --- University of Calabar, Nigeria RA Odey --- University of Calabar, Nigeria GE Eni --- University of Calabar, Nigeria OR Ibor --- University of Calabar, Nigeria IA Iwara --- University of Calabar, Nigeria VO Eyo --- Nigerian Maritime University, NigeriaThe Cross River estuary is a coastal wetland in the south-eastern part of the Niger Delta region of Nigeria with its hydrological cycle largely dependent on precipitation. The purpose of this study was to determine the greenhouse gas (GHG) concentrations... -
Book review: ‘The African marine litter outlook’
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Christian TK-H Stadtländer --- , -
Sustainable seafood: advances in traceability, assessment, monitoring and resource management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: IG Gleadall --- , Japan A Barkai --- , South Africa Z Lajbner --- Okinawa Institute of Science and Technology Graduate University (OIST), Japan PB McIntyre --- Cornell University, United States H Moustahfid --- National Oceanic and Atmospheric Administration (NOAA), United States P Olsen --- Norwegian Food Research Institute (Nofima), Norway R Oyanedel --- Pontificia Universidad Católica, Chile Y Pang --- University of Washington, United States GJ Pierce --- Instituto de Investigacións Mariñas (IIM-CSIC), Spain L Quesada --- Loyola Marymount University, United States WHH Sauer --- Rhodes University, South Africa L Zifcakova --- Okinawa Institute of Science and Technology Graduate University (OIST), Japan MA Zoral --- Okinawa Institute of Science and Technology Graduate University (OIST), Japan DA Willette --- Loyola Marymount University, United StatesThis review presents a synopsis of advances in some techniques and technologies that support seafood traceability while addressing some of the complexities currently challenging the integration necessary to coordinate commercial, national and international efforts in achieving seafood sustainability. These advances... -
Calibration and evaluation of a CROPGRO Perennial Forage Model for Brachiaria humidicola yield simulation under future climate in subhumid environments of Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Fantahun Dereje --- Wallaga University, Ethiopia Ashenafi Mengistu --- Addis Ababa University, Ethiopia Diriba Geleti --- Ethiopian Institute of Agricultural Research, Ethiopia Fekede Feyissa --- Ethiopian Institute of Agricultural Research, Ethiopia Diriba Diba --- Wallaga University, Ethiopia Diego Pequeno --- , Mexico Buzunesh Tesfaye --- Wallaga University, EthiopiaCrop simulation models can be employed to assess the impacts of climate change and aid in strategic planning and decision making regarding forage strategies. This study focused on calibrating and assessing the performance of the CROPGRO Perennial Forage Model in... -
Grazing effects on forage quality parameters of three rangeland species in arid regions of Semnan, Iran
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Milad Kamiziani --- University of Kurdistan, Iran Shima Nikoo --- Semnan University, Iran Hamed Joneidi Jafari --- University of Kurdistan, Iran Fateme Naghizade Asl --- Gorgan University of Agricultural Sciences and Natural Resources, IranForage quality determines livestock production and overgrazing results in significant changes in forage quality of rangeland species. This study aimed to compare the effects of overgrazing on forage quality of Artemisia sieberi, Zygophyllum eurypterum and Stipa barbata as dominant species... -
Perceived barriers and enablers for consuming a diverse diet in women residing in resource-poor communities in Cape Town, South Africa: a qualitative study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Samukelisiwe S Madlala --- South African Medical Research Council, South Africa Jillian Hill --- South African Medical Research Council, South Africa Ernesta Kunneke --- University of the Western Cape, South Africa Mieke Faber --- South African Medical Research Council, South Africa -
In memory of Sue Nicolson
Item type: Journal Article • Journal: African Zoology • Authors: Andrew E McKechnie --- University of Pretoria, South Africa Robin M Crewe --- University of Pretoria, South Africa Christian WW Pirk --- University of Pretoria, South Africa Hannelie Human --- University of Pretoria, South Africa Clarke H Scholtz --- University of Pretoria, South Africa -
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), EthiopiaSmut 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... -
Gibberellic and salicylic acids improve seedling emergence, early growth and some physiological characteristics of Phaseolus vulgaris L. under soil compaction
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Hamid Reza Eisvand --- Lorestan University, Iran Hadis Nasrollahi --- Lorestan University, Iran Feizollah Shahbazi --- Lorestan University, Iran Mohammad Feizian --- Lorestan University, Iran Donald L Smith --- McGill University, CanadaHeavy soil compaction and crusting adversely affect the percentage and speed of seedling emergence, particularly in dicotyledonous epigeal plants. This study aimed to evaluate ways to cope with this phenomenon in kidney bean through hormonal priming. A factorial experiment was... -
The cumulative prospect theory and fund flows in emerging markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Amit Pandey --- Indian Institute of Technology Roorkee, India Anil Kumar Sharma --- Indian Institute of Technology Roorkee, IndiaThis study is the first to examine the efficacy of the Cumulative Prospect Theory value of the past return (CPTV) to explain fund flow in emerging markets funds by considering the impact of fund managers’ characteristics and behavioural biases on... -
Does board diversity influence idiosyncratic risk: Empirical evidence from Chinese listed firms
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Furman Ali --- School of Finance, Southwestern University of Finance and Economics, China Muhammad Awais Khan --- Research Institute of Economics and Management, Southwestern University of Finance and Economics, China Zohaib Zahid --- Jiangsu University, China Khadim Hussain --- College of Economics, Shenzhen University, ChinaThis study examines the relationship between board diversity, measured as cognitive (tenure, expertise, and education) and demographic (age, gender, and nationality) diversities, and idiosyncratic risk for 2000 Chinese non-financial firms from 2008 to 2020. This study highlights that cognitive board... -
Research on the influence of fiscal policy uncertainty on corporate strategic investment – Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Xuejiao Yu --- Central University of Finance and Economics, China Xiaomin Cao --- Central University of Finance and Economics, China Junjian Gu --- Wuhan University of Technology, ChinaCorporations should pay attention to various policies issued by The Chinese government when making strategic investment. This paper discusses the influence of fiscal policy uncertainty on corporate strategic investment and its mechanism. The results show that the uncertainty of fiscal... -
Advancements in double-stranded RNA (dsRNA) technology for effective management of forest insect pests
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Tanmaya Kumar Bhoi --- ICFRE-Arid Forest Research Institute (ICFRE-AFRI), India Ipsita Samal --- ICAR-National Research Centre on Litchi, India Deepak Kumar Mahanta --- Indian Council of Forestry Research and Education–Forest Research Institute (ICFRE-FRI), India J Komal --- Basic Seed Multiplication and Training Centre, India PV Dinesh Kumar --- Research Extension Centre, India HR Desai --- Navsari Agricultural University, India Mohammad Abbas Ahmad --- Dr. Rajendra Prasad Central Agricultural University, India R Athulya --- ICFRE-Institute of Wood Science and Technology (ICFRE-IWST), IndiaThe emergence of forest insects as a result of climatic changes presents traditional management strategies with significant challenges. RNA interference (RNAi) has attracted attention as a possible innovative forest conservation strategy. By eliciting gene silencing with double-stranded RNA (dsRNA), RNAi... -
Floristic and structural changes in a neotropical urban novel forest over 13 years
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Marcelly de Souza Ventura --- Universidade Federal de Juiz de Fora, Brazil Thales Castilhos de Freitas --- Universidade Federal de Juiz de Fora, Brazil Ricardo Montianele de Castro --- Universidade Federal de Juiz de Fora, Brazil Mariana Couto Cruz --- Universidade Federal de Juiz de Fora, Brazil Kelly Antunes --- Universidade Federal de Juiz de Fora, Brazil Taísa Nascimento de Souza --- Universidade Federal de Juiz de Fora, Brazil Breno Moreira --- Universidade Federal de Juiz de Fora, Brazil Fabrício Alvim Carvalho --- Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, BrazilThe ecological importance of non-native species is the main characteristic of novel ecosystems. Pinus elliottii species is highly invasive in tropical forests and is commonly found in secondary forests in Brazil. We investigated the floristic and structural changes in an... -
Digital financial management skill training for women’s informal saving groups in Dodoma, Tanzania: Mapping user requirements
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Madina Hamisi Juma --- The University of Eastern Finland, Finland Nasibu Rajabu Mramba --- College of Business Education, Tanzania Jarkko Suhonen --- The University of Eastern Finland, Finland Alsen Florian Kapinga --- College of Business Education, Tanzania Matti Tedre --- The University of Eastern Finland, FinlandFinancial management skills are important for the performance of informal saving groups (ISGs) for making informed financial decision-making. Digital training solutions present a convenient, ubiquitous, and relatively affordable skills development mechanism. Despite the importance of digital financial management skills to... -
Synergies of dark tourism, future trends and tourism education: a dialogue with Professors John Lennon and Ian Yeoman
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- Hotel Management School Leeuwarden, NHL Stenden University of Applied Sciences, The Netherlands John Lennon --- Glasgow Caledonian University, United Kingdom Ian Yeoman --- Hotel Management School Leeuwarden, NHL Stenden University of Applied Sciences, The NetherlandsThis edited transcript documents a dialogue between Rodney Westerlaken, Editor-in-Chief of Research in Hospitality Management, and Professors John Lennon and Ian Yeoman, which took place as part of the Hotel Management School Leeuwarden’s celebration of World Tourism Day. The conversation... -
Language attitudes research: a classification of methodological issues
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Sopuruchi Christian Aboh --- The Hong Kong Polytechnic University, Hong Kong SARLanguage attitudes research focuses on the evaluative reactions to languages and varieties. Previous attempts to classify language attitudes research have focused on approaches to studying language attitudes, such as direct, indirect and social treatment studies as well as the core... -
CLIL research over the past three decades: A bibliometric analysis
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Qin Yongli --- School of Foreign Languages, Jiangsu University of Science and Technology, ChinaContent and language integrated learning (CLIL) is a pedagogical approach that merges language and content learning. It originated in Europe and increasingly influences bilingual and multilingual education worldwide. This article reviews the international research literature on CLIL, focusing on publications... -
Subjective perception of economic policy uncertainty and ESG performance: Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Guangchen Li --- Beijing Wuzi University, China Bokun Hei --- Beijing Wuzi University, China Qianlong Ma --- Beijing Wuzi University, China Haijun Wang --- Beijing Wuzi University, ChinaThis paper explores the relationship between subjective perception of economic policy uncertainty (SPEPU) and ESG performance. We find that SPEPU could deteriorate ESG performance, especially corporate social performance and that this negative effect works through increasing financialization and weakening internal... -
Employing behavioural portfolio theory for sustainable investment: Examining drawdown risks and ESG factors
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Aayush Poddar --- Indian Institute of Technology, India Sujoy Bhattacharya --- , R Rathish Bhatt --- Management, Goa Institute of Management, IndiaThis study uses behavioural portfolio theory (BPT) within the Markowitz Portfolio Theory framework to enhance portfolio management by focusing on sustainability and risk mitigation during market downturns. It selects portfolios to hedge against market lows using Conditional Drawdown at Risk... -
The impact of COVID-19 on the hospitality sector and the growing demand for health-conscious services, with a focus on India
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Geetanjali Sageena --- Indian Council of Medical Research, India Suneel Kumar --- Shaheed Bhagat Singh College, University of Delhi, IndiaThe COVID-19 pandemic significantly disrupted the global hospitality sector, with travel restrictions and lockdowns causing severe declines in tourism. In 2020, international tourist arrivals fell by 74%, leading to an estimated $1 trillion revenue loss. India’s hospitality sector, contributing 9%... -
Ubulili besifazane ekuthukeni inhlamba: kubhekwa isilwane esiyinja nomuntu wesifazane
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Zinhle P Nkosi --- Language & Arts Education, University of KwaZulu-Natal, South Africa Sicelo Z Ntshangase --- Language & Arts Education, University of KwaZulu-Natal, South Africa Alexandra O’Neil --- Linguistics, University of Indiana, USAKuyinkinga ukuthi ubulili besifazane bubukeka bungobedelelekile lapho buqhathaniswa nobesilisa. Lokhu kunomthelela nasekutheni abanye abantu emiphakathini baze basebenzise amagama angawalobu bulili njengawenhlamba nokwehlisa isithunzi kothukwayo. Ucwaningo luhlose: (1) Ukuphenya ukuthi ubulili besifazane ngesilwane esiyinja nomuntu wesifazane busetshenziswa kanjani ekuthukeni inhlamba. (2)... -
Punishment possibility and implicit morality: The moderating role of moral identity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chang-Jiang Liu --- Nanjing Normal University, China Fang Hao --- Nanjing Normal University, ChinaWe investigated the relationship between the possibility of punishment and implicit moral judgments, as well as the moderating role of moral identity on this relationship. Participants (n = 159, mean age = 21.64 years, SD = 2.47 years) first performed... -
How academic stress affects academic performance: A chain-mediated model of sex moderation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yunhan Zhang --- Central China Normal University, China Sannyuya Liu --- Central China Normal University, China Liang Zhao --- Central China Normal University, China Zhi Liu --- Central China Normal University, ChinaAcademic stress is a common psychological issue among college students, but the mechanism by which it affects academic performance is not well understood. This study extends existing literature by exploring a chain-mediated model composed of academic stress, learning motivation, depression,... -
Subjective well-being of college students: Developmental trajectories, predictors, and risk for depression
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xinqiao Liu --- Tianjin University, China Yan Li --- Tianjin University, China Wenjuan Gao --- Institute of Higher Education, Beihang University, ChinaThe study aimed to identify different developmental trajectories of subjective well-being for 2 473 college students from freshman to senior year (female = 47.15%; mean age = 19.6 years, SD = 0.894 years). We further explored the associations between categories... -
Academic researchers’ work stress and work engagement: Hindrance stress appraisal mediation and psychological resilience moderation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hui Wang --- Xiangtan University, China Yan Li --- Xiangtan University, ChinaWe explored the role of hindrance stress appraisal and psychological resilience in the relationship between work stress and work engagement among academic researchers. Data were collected from academic researchers in China (n = 314; female = 48.7%; professor = 10.8%,... -
Validity and reliability of the Compassion Fatigue Short Scale among nursing interns
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Li-Juan Yi --- Hunan Traditional Chinese Medical College, China Ting Shuai --- Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, China Ya Li --- Hunan Traditional Chinese Medical College, China Guo-Hao Wang --- Tangshan Polytechnic University, China Hai-Yan Long --- Hunan Traditional Chinese Medical College, China Hang Lin --- Hunan Traditional Chinese Medical College, China Xu Tian --- Chongqing Traditional Chinese Medicine Hospital, China Maria F. Jiménez-Herrera --- Universitat Rovira i Virgili, SpainWe aimed to determine the reliability and validity of scores from the Chinese Compassion Fatigue Short Scale (CFSS) for nursing interns (n = 229; female = 88.2%, mean age = 20.34 years, SD = 0.968 years). The nursing interns completed... -
Two new algebraic structures more general than weak rings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Teng Zhang --- Zhejiang University of Science and Technology, ChinaIn 1994, Bergelson and Hindman established a remarkable result for IP* sets: for any IP* set A and any sequence l in ℕ, there exists a sum subsystem l′ of l such that all finite sums and finite products of... -
Online risk exposure and mental health in Chinese junior high school students: A latent profile analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yali Zhang --- Hebei Normal University, China Kangyue Jin --- Hebei Normal University, China Yuanyuan Huang --- , China Yongzhi Jiang --- Inner Mongolia Minzu University, ChinaWe explored the latent profile of online risk exposure and its relationship with school students’ mental health. Junior high school students (n = 1 178; female = 49.5%, male = 50.5%; Grade 7 = 57.1%, Grade 8 = 42.9%) completed... -
Gratitude and college students’ school belonging: The mediating role of perceived stress and meaning in life
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lihua He --- Guangxi University of Chinese Medicine, China Qian Zhang --- Mental Health Education and Counseling Center, Guangxi University of Chinese Medicine, China Yitao WangWe examined the relationship between gratitude and school belonging of college students, and the potential mediating role of perceived stress and meaning in life in such a relationship. Participants were college students (n = 1 691) from 10 universities in... -
Proactive personality and career success of higher education teachers: The mediating effects of job crafting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yunsheng Ruan --- School of Economic and Management, Zhoukou Normal University, China Zibin Cao --- School of Economic and Management, Zhoukou Normal University, China Chao Han --- School of Economic and Management, Zhoukou Normal University, China Qianlu Sun --- School of Economic and Management, Zhoukou Normal University, ChinaWe investigated the role of job crafting (task, cognitive, and environmental) in the relationship between proactive personality and career success among teachers. Participants were 326 higher education teachers (female = 60.4%; senior title = 20.9%; doctoral degree = 22.1%) from... -
How psychological contract breach relates to façades of conformity: The mediating role of emotional labour
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Feng-Hua Yang --- Da-Yeh University, Taiwan Huai-Liang Liang --- Da-Yeh University, TaiwanWe investigated the relationship between psychological contract breach (PCB) and façades of conformity and mediation by surface acting and deep acting. Employees (n = 255) from a large bank in Taiwan were surveyed (female = 58.80%; mean age = 36.30... -
A meta-analysis of the relationship between burnout and psychological protective variables among Korean preschool teachers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiuhong Xu --- School of Teacher Education, Lishui University, China Lei Chen --- Academic Affairs Section, School of Chinese Celadon, Lishui University, China Yuxin Jiang --- School of Education (Teachers College), Guangzhou University, ChinaWe conducted a meta-analysis to determine the relationship between psychological protective variables, burnout, and aspects of burnout in the work experiences of kindergarten teachers. The R language program was used to analyse the 103 included studies. From these analyses, the... -
Gratitude to nature and pro-environmental behaviour: A moderated mediated model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiaoyu Li --- Inner Mongolia Normal University, China Xindi Kong --- Inner Mongolia Normal University, China Hongyu Liang --- Inner Mongolia Normal University, China Yifan Wang --- Inner Mongolia Normal University, ChinaWe examined the relationship between trait gratitude to nature and pro-environmental behaviours, and the roles of anthropomorphism and connectedness to nature within this relationship. University students (n = 966; female = 47.09%; mean age = 20.75 years, SD = 1.42... -
Eunicid polychaete worms used as bait with particular reference to Australia, South Africa and France; the need for development of management plans based on their biology and ecology
Item type: Journal Article • Journal: African Zoology • Authors: Pat Hutchings --- Australian Museum Research Institute, Australia Jyothi Kara --- , South Africa Nicolas Lavesque --- CNRS, Université de Bordeaux, Bordeaux INP, EPOC,Worldwide, bait worms are collected for recreational and subsistence fishing, and fetch high prices in bait shops. While a variety of polychaete families are collected, we focus only on the “Marphysa” group (Family Eunicidae) occurring in rivers, estuaries and protected... -
Refining the morphological characteristics of Dipolydora capensis (Day, 1955) and Dipolydora goreensis (Augener, 1918) (Annelida: Polychaeta: Spionidae) from Atlantic African waters
Item type: Journal Article • Journal: African Zoology • Authors: Vasily I Radashevsky --- Russian Academy of Sciences, Russia Daniel Martin --- , Spain João Gil --- University of Algarve, PortugalTogether with Syllidae, Nereididae and Eunicidae, Spionidae is one of the four more speciose families of polychaete annelids in southern Africa, comprising 25% of the known species and 53–85% of the unresolved cosmopolitans. Among southern African spionids, the genus Dipolydora... -
Arenicolidae (Annelida) in Norwegian waters: species occurrence, bathymetric distribution and identification of juvenile specimens
Item type: Journal Article • Journal: African Zoology • Authors: Marthe R Dille --- Norwegian University of Science and Technology, NTNU University Museum, Norway Jon A Kongsrud --- University Museum of Bergen, University of Bergen, Norway Martin M Hektoen --- Norwegian University of Science and Technology, NTNU University Museum, Norway Torkild Bakken --- Norwegian University of Science and Technology, NTNU University Museum, NorwayThe two species of Arenicolidae, Arenicola marina and Arenicolides ecaudata, are common along the Norwegian coast. Juveniles and anterior fragments are often encountered when grab sampling, making traditional morphological characteristics insufficient for species identification. This study examined the robustness of... -
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, ItalyCoralligenous 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... -
Establishment of determinants to influence community acceptance towards water reuse in India
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kirti Goyal --- Lovely Professional University, India Arun Kumar --- Indian Institute of Technology, IndiaWorldwide, rising water scarcity calls for alternatives to supplement the water supplies. Water reuse is an emerging source, ensuring water safety and environmental sustainability, but its growth is hindered due to sparse public acceptance. In this study, a social survey... -
A note on fibers and Vietoris topologies of paratopological groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yu-Ming Deng --- Beijing University of Technology, China Liang-Xue Peng --- Beijing University of Technology, ChinaIf f: G → Y is an irreducible closed continuous mapping defined on a regular weakly collectionwise normal first-countable meta-Lindelöf locally σ paratopological group G onto a T 1-space Y which has a neighborhood ωω -base at a point y... -
Value-chain analysis of Kenya’s artisanal tuna fishery focusing on skipjack tuna Katsuwonus pelamis and kawakawa Euthynnus affinis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FA Mzingirwa --- Rhodes University, South Africa GM Okemwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya O Marcone --- , United Kingdom CS Bova --- Rhodes University, South Africa S Viana --- Rhodes University, South Africa WHH Sauer --- Rhodes University, South AfricaThis study investigates the value chain of Kenya’s artisanal tuna fishery targeting skipjack tuna Katsuwonus pelamis and kawakawa Euthynnus affinis. The study used an integrated approach combining a questionnaire survey and catch assessment data at four landing sites along the... -
Exploratory characterisation of recreational fishing for skipjack tuna Katsuwonus pelamis and eastern little tuna Euthynnus affinis in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Viana --- University of Cape Town, South Africa MW Farthing --- Rhodes University, South Africa C Bova --- Rhodes University, South Africa O Marcone --- , United Kingdom WHH Sauer --- Rhodes University, South AfricaDespite being important to artisanal and industrial fisheries, little is known about the role of skipjack tuna Katsuwonus pelamis and the eastern little tuna (or kawakawa) Euthynnus affinis in recreational fisheries. This study used a banner-recruited, online questionnaire of recreational... -
Summary
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: U Shahid --- WWF South West Indian Ocean Regional Programme, WWF-Pakistan, Pakistan ST Fennessy --- Oceanographic Research Institute (ORI), South Africa GM Okemwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya WHH Sauer --- Rhodes University, South Africa -
Introduction
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ST Fennessy --- Oceanographic Research Institute (ORI), South Africa U Shahid --- WWF South West Indian Ocean Regional Programme, WWF-Pakistan, Pakistan GM Okemwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya WHH Sauer --- Rhodes University, South Africa -
Influence of spatio-temporal variations in precipitation and temperature on the productivity of Eastern Lake Kyoga, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: John Peter Obubu --- African Centre of Excellence for Water Management, Addis Ababa University, Ethiopia Robinson Odong --- Entomology and Fisheries Sciences, Makerere University, Uganda Seyoum Mengistou --- African Centre of Excellence for Water Management, Addis Ababa University, Ethiopia Tadesse Fetahi --- African Centre of Excellence for Water Management, Addis Ababa University, Ethiopia Tena Alamerew --- Ethiopian Institute of Water Resource, Addis Ababa University, Ethiopia Ekwacu Samuel --- Uganda National Meteorological Authority, UgandaSpatio-temporal variations in precipitation and temperature affect productivity in aquatic systems, mainly through nutrient dynamics. Shallow lakes are more vulnerable to spatio-temporal variations, yet they are an important resource for biodiversity conservation, water supply and fisheries. The eastern arm of... -
The extended Frobenius problem for Lucas series incremented by a Lucas number
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Aureliano M. Robles-Pérez --- Universidad de Granada, Spain José Carlos Rosales --- Universidad de Granada, SpainWe study the extended Frobenius problem for sequences of the form {la } ∪ {la + ln } n∈N and {la + ln } n ∈N , where {ln } n∈N is the Lucas series and la is a... -
The bacteriome of the Endangered South African endemic Pickersgill’s Reed Frog (Hyperolius pickersgilli)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Mafanela C Mnisi --- South African National Biodiversity Institute, South Africa Moeti O Taioe --- Agricultural Research Council, South Africa Adrian Armstrong --- Biodiversity Research and Assessment, Ezemvelo KZN Wildlife, South Africa Prudent Mokgokong --- Unit for Environmental Sciences and Management North-West University, South Africa Desire L Dalton --- South African National Biodiversity Institute, South Africa Ian du Plessis --- Johannesburg City Parks and Zoo, South Africa Jeanne Tarrant --- Endangered Wildlife Trust, South Africa Antoinette Kotze --- South African National Biodiversity Institute, South Africa Morne Du Plessis --- University of the Free State, South AfricaPickersgill’s Reed Frog (Hyperolius pickersgilli) is an endangered species, endemic to South Africa and restricted to the KwaZulu-Natal coastal region. The species occurs in fragmented patches of coastal reed-bed wetland, which is a habitat that is threatened by urbanisation, agriculture,... -
A mixed-methods study on human-frog interactions in Nature's Valley, South Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Tiaan P Botha --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South Africa Louis H du Preez --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South Africa Jeanne Tarrant --- Anura Africa, South Africa Hendri Coetzee --- Nature’s Valley Trust, South AfricaDespite their ecological significance, frogs receive far less public support and funding for research and conservation than that afforded to more charismatic animals. An emerging perspective suggests that conservation success is dependent on understanding the cognitive, emotional, and behavioural aspects... -
Naming South African frogs and reptiles in nine Indigenous languages
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Fortunate M Phaka --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South Africa Jean Hugé --- Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Belgium Fortune Ravhuanzwo --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South Africa Maarten PM Vanhove --- Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Belgium Louis H du Preez --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South AfricaScientific taxonomy, as a standardised means of communicating about wildlife, might have limited use or relevance for wildlife conservation stakeholders with minimal understanding of scientific names. Indigenous language names can improve species-specific communication with non-expert conservation stakeholders due to their... -
New records of Fox’s Weaver Ploceus spekeoides significantly disrupt perceptions concerning its conservation status
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jonathan Onongo --- , Uganda Achilles Byaruhanga --- , Uganda Dianah W Nalwanga --- , Uganda Micheal Kibuule --- , Uganda Nigel J Collar --- , United Kingdom Simon Valle --- , United StatesIUCN Red List categorisation helps prioritise species conservation efforts. Fox’s Weaver Ploceus spekeoides is a little-known passerine endemic to eastern Uganda and categorised as Near Threatened. Historical records (1913–1996) of this bird span nine sub-counties in the country, but more... -
Phrase frames in rhetorical moves of economic research article discussions
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Jun Chen --- Zhejiang University of Finance & Economics, China Pengfei Zhang --- Zhejiang University of Finance & Economics, ChinaThe present study investigates the structure and functions of phrase frames (p-frames) aligned with their rhetorical moves in an important but under-researched part-genre: the discussion section of empirical research articles (RAs) in economics. Ninety-five texts in the corpus were manually... -
The link between English language proficiency and academic performance among NC(V) first-year engineering students at a South African TVET college
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Belinda du Plooy --- Nelson Mandela University, South Africa Liandi Stander --- Nelson Mandela University, South Africa Eileen Scheckle --- Nelson Mandela University, South AfricaThere is significant existing scholarship on the relationship between the English language proficiency (ELP) and academic performance (AP) of English Additional Language (EAL) learners at South African schools and universities. However, this relationship has not been explored in the Technical... -
Multilingualism in Southern Africa: Issues and Perspectives
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Putri Beny Mawarsih --- Universitas Negeri Surabaya, Indonesia Novita Dyah Pitaloka --- Universitas Negeri Surabaya, Indonesia Fahlulia Rahma Shofiana --- Universitas Negeri Surabaya, Indonesia Ika Emirulliah Hidayati --- Universitas Negeri Surabaya, Indonesia Muhammad Deriel Ari Pranata --- Universitas Diponegoro, Indonesia -
Cosmopolitan Refugees; Somali Migrant Women in Nairobi and Johannesburg
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Brian Maregedze --- Stellenbosch University, South Africa -
“Tell a good story of China”: Experiences of state-sponsored overseas Chinese academics navigating frictions and identity in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Chen Tian --- , South AfricaThis study explores the experiences of state-sponsored overseas Chinese academics (OCAs) in South Africa and the frictions they encounter while adapting to a new professional environment. An in-depth analysis of China’s managed cultural globalisation, state-sponsored OCAs’ internal and international mobilities,... -
Introduction to Afrofuturism: A Mixtape in Black Literature & Arts
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Bibin Sebastian --- , India -
The spillover and leverage effects and trading volume of FinTech Exchange-Traded Funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Sabbor Hussain --- Chung Yuan Christian University, Taiwan Jo-Hui Chen --- Department of Finance, Chung Yuan Christian University, TaiwanThis paper explores the spillover and leverage effects, as well as trading volume dynamics, of Financial, Technology, and FinTech Exchange-Traded Funds (ETFs) using ARMA-GARCH and ARMA-EGARCH models. The study indicates that these ETF sectors and the stock market index have... -
Unlocking Northern Cyprus: innovations in destination management for enhanced tourism experiences
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sima Rahimizhian --- Eastern Mediterranean University, Türkiye Foad Irani --- Final International University, TürkiyeThe tourist sector is currently one of those that has paved the way in the application of intelligent communication and information technology. Intelligent information systems can significantly contribute to the continued growth of the tourist business, particularly virtual tourism, given... -
The D-property of extremely normal spaces and the metrizability of certain compact spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Liang-Xue Peng --- Beijing University of Technology, ChinaIn this article, we show that every extremely normal space is a D-space. We introduce a notion called weakly extremely normal with respect to a weak base for a space X. We show that if a space X is weakly... -
A critical point approach to non-local complex systems of fractional discrete equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Massimiliano Ferrara --- University Mediterranea of Reggio Calabria, Italy Shapour Heidarkhani --- Razi University, Iran Shahin Moradi --- Razi University, IranDiscrete fractional equations have emerged across various fields such as science, engineering, economics, and finance to better capture the characteristics of non-local complex systems. In this discussion, we explore the existence of at least three unique solutions for discrete fractional... -
Exploring the role of open and distance education in empowering women technological skills in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Jane Ada Ukaigwe --- National Open University of Nigeria, Nigeria Hakeem O. Liadi --- National Open University of Nigeria, Nigeria Christiana Uchenna Ezeanya --- National Open University of Nigeria, Nigeria Olayemi Mikail Olaniyi --- National Open University of Nigeria, NigeriaThe pursuit of gender equality and women's empowerment is a crucial driver of societal and economic growth in any nation. Despite the expansion of educational opportunities, women in Nigeria still encounter major obstacles to pursuing higher education and developing their... -
Phases of STI cycle: Countries comparative analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Eugeny Balatsky --- Financial University under the Government of the Russian Federation, Russian Federation Svetlana Ushakova --- Politics and Law in Science and Technology, Russian Federation Vadim Malahov [cor1] Maxim Yurevich --- Financial University under the Government of the Russian Federation, Russian FederationThis article focuses on a comparative analysis of the main technological development stages of a country. For the purpose of assessing the S&T potential of countries, a method of creating a scientific and technological balance is proposed. This approach unites... -
Geometric mean Sylow numbers of nonsolvable groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Chimere Stanley Anabanti --- University of Pretoria, South Africa Alireza Khalili Asboei --- Farhangian University, IranLet G be a finite group. We write gsn(G) for the geometric mean Sylow number of G. The Fitting subgroup of G is denoted by F(G). It was recently proved that if gsn(G) < , then G is solvable. In... -
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, BrazilThe 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... -
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, BrazilVegetative 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... -
Cash holding, risk-taking behavior and financial performance of non-financial firms listed in sub-Saharan Africa Securities Exchanges
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Brian Ochieng Aluora --- University of Embu, Kenya Samuel Nduati Kariuki --- University of Embu, Kenya Peter Njagi Kirimi --- University of Embu, KenyaThe study examined the linkage between cash holding, risk-taking and financial performance of listed non-financial corporations using the two-step system GMM method. GMM's outcome was then compared across the agricultural, manufacturing and construction industries. Cash holding and risk-taking had a... -
When and how does creativity influence performance? An examination of SMEs in an emerging economy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ahmed Agyapong --- Kwame Nkrumah University of Science and Technology, Ghana Felicity Asiedu Appiah --- Kwame Nkrumah University of Science and Technology, Ghana Hannah Vivian Osei --- Kwame Nkrumah University of Science and Technology, Ghana Suzzie Aidoo --- York St John University, UKUnderpinned by the resource-based view and social capital theories, this study examines the mediating role of innovation in the relationship between creativity and the performance of SMEs in an emerging economy. We propose additionally that the innovation created through the... -
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 NetherlandsMultinational 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... -
Population growth of Daphnia magna cultured in manure-fertilised water under laboratory conditions
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Adamneh Dagne --- Ethiopian Institute of Agricultural Research (EIAR), National Fishery and other Aquatic Life Research Center, Ethiopia Getacher Beyene --- Ethiopian Institute of Agricultural Research (EIAR), National Fishery and other Aquatic Life Research Center, Ethiopia Alemayehu Wubie --- Ethiopian Institute of Agricultural Research (EIAR), National Fishery and other Aquatic Life Research Center, EthiopiaIn developing countries, mass production of Daphnia magna, used as a food in freshwater aquaculture, is a challenge. A fifteen-day laboratory experiment was conducted to examine the population growth and reproductive parameters for D. magna reared in green water fertilised... -
Advancing disease-resistant stock in aquaculture: a brief overview
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Nur Nashyiroh Izayati Mastor --- Borneo Marine Research Institute, Universiti Malaysia Sabah, Malaysia Wahidatul Husna Zuldin --- Borneo Marine Research Institute, Universiti Malaysia Sabah, Malaysia Norfazreena Mohd Faudzi --- Borneo Marine Research Institute, Universiti Malaysia Sabah, Malaysia Kenneth Francis Rodriques --- Higher Institution Centre of Excellence (HICoE), Borneo Marine Research Institute, Universiti Malaysia Sabah, Malaysia Julian Ransangan --- Borneo Marine Research Institute, Universiti Malaysia Sabah, MalaysiaThe effective management of diseases caused by aquatic pathogens is one of the primary challenges in aquaculture. The breeding of disease-resistant fish requires a combination of traditional and modern genetic approaches. With an increasing global population and demand for food,... -
The Common Hermitian Solutions of the matrix equations
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On the preservers of some subsets of the approximate point spectrum
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H. Benbouziane --- Faculty of Sciences DharMahraz Fes, University Sidi Mohammed Ben Abdellah, Morocco M. Ech-Chérif El Kettani --- Faculty of Sciences DharMahraz Fes, University Sidi Mohammed Ben Abdellah, Morocco I. El Khchin --- Faculty of Sciences DharMahraz Fes, University Sidi Mohammed Ben Abdellah, MoroccoLet be an infinite-dimensional complex Banach space and be the algebra of all bounded linear operators on . For , we consider the following spectral sets in approximate point-spectrum, defined by -
The general position number under vertex and edge removal
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Pakanun Dokyeesun --- Institute of Mathematics, Physics and Mechanics, Slovenia Sandi Klavžar --- University of Ljubljana, Slovenia Jing Tian --- School of Science, Zhejiang University of Science and Technology, P.R. ChinaLet gp(G) be the general position number of a graph G. It is proved that gp(G − x) ≤ 2gp(G) holds for any vertex x of a connected graph G and that if x lies in some gp-set of G,... -
Characterizations of *-Ricci-Bourguignon solitons and contact Ricci-Bourguignon almost solitons
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sourav Nayak --- Indian Institute of Technology – Hyderabad, India Dhriti Sundar Patra --- Indian Institute of Technology – Hyderabad, India Hemangi Madhusudan Shah --- Harish-Chandra Research Institute, A CI of Homi Bhabha National Institute, IndiaIn this paper, we first study *-Ricci-Bourguignon solitons (in short, *-RB solitons) and find their geometric characterizations on Sasakian manifolds. We show that if a Sasakian metric g admits a non-trivial *-RB soliton, then it is -homothetically fixed null η-Einstein... -
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, FranceBackground: 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,... -
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, ZimbabweIntroduction: 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... -
The semantics of Dagbani cut and break verbs
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Bashiru Nurideen --- Ghana Education Service, Bamvim Presbyterian Junior High School, Samuel Alhassan Issah --- University of Education, Ghana Musah Sugri Issahaku --- St. Vincent College of Education, GhanaThis article discusses the semantics of cut and break verbs in Dagbani, a Mabia language spoken in Ghana’s Northern Region by the Dagbamba. We demonstrate that cut and break verbs are about different types of separation events with different lexicalisation... -
Changing phases of linguistic ecology in Tanzania: The vitality of ethnic languages
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Cyprian TK Kilangi --- University of Dar es Salaam, TanzaniaThis article explores the vitality of Tanzania’s ethnic languages. The study examines the relationship between language ecology and language vitality. Like many minority languages around the world, Tanzania’s ethnic languages are under threat of extinction. This threat is primarily attributed... -
Translation and translators in the eyes of literary reviewers: A content analysis of book reviews of literary works translated into English
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Xiangdong Li --- Xi’an International Studies University, ChinaBook reviewers play a gatekeeping role in a given literary community, and their reviews provide insights into their attitudes and reactions towards literary works. This study aims to explore to what extent literary translation and translators are visible in book... -
Syntax in the Treetops
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Jianyong Song --- Faculty of English Language and Culture, Guangdong University of Foreign Studies, China -
Determinants of adoption and intensity of mechanization in Ethiopia: Evidence from Arsi Zone
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gizachew Mengesha Abebe --- Bahir Dar University, Ethiopia Wondaferahu Mulugeta Demissie --- Ethiopian Civil Service University (ECSU), Ethiopia Markose Chekol Zewdie --- Bahir Dar University, EthiopiaMechanization has been recognized as a key thematic area by the Ethiopian Agricultural Research Institute for the period 2018–2030; however, research on its adoption determinants remains limited. This study examines the factors influencing the adoption and intensity of mechanization, focusing... -
Vegetation structure and defoliation patterns in heterogeneous grasslands under two herbage allowance levels
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Felipe Casalás --- University of the Republic, Uruguay Nicolas Caram --- University of the Republic, Uruguay Pablo Soca --- University of the Republic, Uruguay Marcelo Wallau --- University of Florida, USA Pablo Boggiano --- University of the Republic, UruguayUnderstanding the relationship between vegetation attributes and defoliation patterns at multiple spatiotemporal scales is crucial for optimising grazing systems. This study assessed the structural attributes of vegetation and the effects of defoliation frequency and intensity in a campos grassland under... -
On the sum of annihilators in nearrings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Nastaran Naseripour --- Shahrood University of Technology, Iran Ebrahim Hashemi --- Shahrood University of Technology, Iran Mahsa Paykanian --- Shahrood University of Technology, IranA ring is termed a left IN-ring if the right annihilator of the intersection of any two left ideals is equal to the sum of their right annihilators. As a generalization of left IN-ring, a ring is called a right... -
Tight Toughness Bounds for Fractional (k, n)-Critical Graphs with Large n
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wei Gao --- School of Mathematics, Hohai University, China Weifan Wang --- School of Mathematical Sciences, Zhejiang Normal University, China Yaojun Chen --- School of Mathematics, Nanjing University, ChinaA graph G is called a fractional (k, n)-critical graph if G − V ′ admits a fractional k-factor for any V ′ ⊆ V (G) with |V′| = n. The main result in this paper states the following facts:... -
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, BrazilSeed 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... -
Proxy variables to represent the productive capacity in a forest growth and yield model for eucalypt hybrid plantations in north-eastern Bahia, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mariana Futia Taquetti --- Universidade Federal de Viçosa, Brazil Carlos Pedro Boechat Soares --- Universidade Federal de Viçosa, Brazil Helio Garcia Leite --- Universidade Federal de Viçosa, Brazil Álvaro Augusto Vieira Soares --- Universidade Federal de Uberlândia, Instituto de Ciências Agrárias, Brazil Gilson Fernandes da Silva --- Universidade Federal do Espírito Santo, BrazilThe present study aimed to evaluate proxy variables to represent the productive capacity of the sites in a forest growth and yield model for plantations of Eucalyptus urophylla × Eucalyptus grandis hybrid, considering them in a linear and a linear... -
Protective and risk factors for social and emotional well-being of Indigenous children and adolescents: A rapid review
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Nelsensius Klau Fauk --- Torrens University Australia, Australia Elsa Dent --- Caring Futures Institute, College of Nursing and Health Sciences, Flinders University, Australia Paul Aylward --- Torrens University Australia, Australia Paul Russell Ward --- Torrens University Australia, Australia Jessica Tyndall --- Torrens University Australia, Australia Lesli Kirwan --- Torrens University Australia, Australia Lillian Mwanri --- Torrens University Australia, AustraliaBackground: Indigenous children and adolescents experience life circumstances that significantly affect their social and emotional well-being (SEWB) and limit their capacity to fulfil their potential. This contributes to inequities in health, education, employment, and justice system involvement. -
Which personal and social resources help adolescents to recover from negative affect in daily life? An experience sampling study
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Nicola J Holt --- University of the West of England (UWE), United Kingdom Ángela Flórez-Varela --- Pontificia Universidad Javeriana, Colombia Carlos Gómez-Restrepo --- Pontificia Universidad Javeriana, Colombia Natalia Godoy-Casasbuenas --- Pontificia Universidad Javeriana, Colombia Mauricio Toyama --- Universidad Peruana Cayetano Heredia, Peru Liliana Hidalgo-Padilla --- Universidad Peruana Cayetano Heredia, Peru Francisco Diez-Canseco --- Universidad Peruana Cayetano Heredia, Peru Luis Ignacio Brusco --- Universidad de Buenos Aires, Argentina Natividad Olivar --- Universidad de Buenos Aires, Argentina Santiago Lucchetti --- Universidad de Buenos Aires, Argentina Diliniya Stanislaus Sureshkumar --- Queen Mary University of London, United Kingdom Catherine Fung --- Queen Mary University of London, United Kingdom Stefan Priebe --- Universidad de Buenos Aires, ArgentinaBackground: Reducing anxiety and depression in adolescents is a global health priority. Personal and social resources (e.g., hobbies and socialising) may reduce distress. Yet, there is insufficient understanding of how adolescents use such resources to reduce distress. -
Developing and validating a training package for the provision of telephone crisis intervention services to children and adolescents at risk of suicide
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Maedeh Parvizi --- Iran University of Medical Sciences, Iran Zahra Shahrivar --- Tehran University of Medical Sciences, Iran Nasrin Dodangi --- Psychosis Research Center, University of Social Welfare and Rehabilitation Sciences, Iran Salman Ghaderi --- Social Emergency Center of the Welfare Organization, Iran Saeid Norouzi --- Iranian Research Center on Aging, University of Social Welfare and Rehabilitation Sciences, Iran Elham Salari --- Tehran University of Medical Sciences, Iran Mojgan Khademi --- Shahid Beheshti University of Medical Sciences, Iran Fariba Arabgol --- Shahid Beheshti University of Medical Sciences, Iran Javad Mahmoudi-Gharaei --- Tehran University of Medical Sciences, IranBackground: Telephone crisis intervention is a readily available and discreet method through which troubled youths can seek assistance. -
Advance Parenting: Advice for Helping Kids Through Diagnoses, Differences, and Mental Health Challenges
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Miftachul Jannah --- Institut Pertanian Bogor University, Indonesia Eka Fitriany Putri Adhitiah --- Institut Pertanian Bogor University, Indonesia Yustia Pramesti --- Institut Pertanian Bogor University, Indonesia -
Habitats of Africa: A Field Guide for Birders, Naturalists, and Ecologists
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Brian J Huntley --- Associação BIOPOLIS | CIBIO – Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal -
Trajectories of maternal depression, anxiety, stress, and child developmental milestones at 24 months
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Clariana Vitória Ramos de Oliveira --- School of Nursing, University of Nevada Las Vegas, United States of America Simoní Saraiva Bordignon --- School of Nursing, Federal University of Rio Grande, Brazil Rafaela Costa Martins --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Cauane Blumenberg --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Thais Martins-Silva --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Francine Costa --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, Brazil Juraci Cesar --- Postgraduate Program in Public Health, Federal University of Rio Grande, Brazil Paul Springer --- Virginia Tech University, United States of Ameerica Christian Loret de Mola --- GPIS Grupo de Pesquisa e Inovação em Saúde, Universidade Federal do Rio Grande, BrazilBackground: Literature suggests a link between maternal mental health and adverse child developmental outcomes. However, we do not know to what extent this is true in low and middle-income settings, and most studies do not explore mental health longitudinally since... -
Subjective well-being and parenting in adolescence: Do peers matter when things are not so good?
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Aikaterini Lampropoulou --- National and Kapodistrian University of Athens, GreeceObjective: The study aimed to investigate the association between adolescents’ subjective well-being and parenting, as well as the moderating role of peer relationships between the negative aspects of parenting and subjective well-being. -
Rayleigh quotients of Dillon’s functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Aditi Kar Gangopadhyay --- Indian Institute of Technology Roorkee, India Sugata Gangopadhyay --- Indian Institute of Technology Roorkee, India Mansi Goyal --- Indian Institute of Technology Roorkee, India Aleksandr Kutsenko --- Novosibirsk State University, Russia Bimal Mandal --- Indian Institute of Technology Jodhpur, IndiaThe Walsh-Hadamard spectrum of a bent function uniquely determines a dual function. The duality mapping is the only isometric mapping on the set of bent functions apart from its automorphisms that preserve bentness. The Hamming distance between a bent function... -
II. Complementary feeding: a critical window of opportunity from six months onwards
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Du Plessis LM [cor1] Kruger HS --- Centre of Excellence for Nutrition, North-West University, Sweet L --- Consultant Dietitian,This paper aims to propose evidence-based, paediatric food-based dietary guidelines on the complementary feeding period, from six to 24 months, of South Africa. A growing body of evidence supports the World Health Organization recommendation that, following six months of exclusive... -
Arts therapies and the mental health of children and young people: Contemporary research, theory, and practice, Volume 2
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Fatriana Kurniasari --- Universitas Gadjah Mada, Special Region of Yogyakarta, Indonesia Yusrani Rosmini --- Universitas Gadjah Mada, Special Region of Yogyakarta, Indonesia Moniek Vidia Pramestri --- Universitas Gadjah Mada, Special Region of Yogyakarta, Indonesia Angeline Freshbi Chesa Halim --- Universitas Gadjah Mada, Special Region of Yogyakarta, Indonesia -
Exploring the relationship between peer loneliness, problematic videogame use, and cyberbullying victimisation in adolescence
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Alberto Amadori --- Free University of Bozen-Bolzano, Italy Giulia Prestera --- Free University of Bozen-Bolzano, Italy Francesca Sangiuliano Intra --- Free University of Bozen-Bolzano, Italy Livia Taverna --- Free University of Bozen-Bolzano, Italy Caterina Primi --- University of Florence, Italy Antonella Brighi --- Free University of Bozen-Bolzano, ItalyBackground: Adolescence, acknowledged as a transformative developmental phase marked by socio-emotional challenges, introduces an elevated susceptibility to loneliness. As adolescents are exposed to loneliness, they concurrently navigate the dynamic landscape of problematic videogame use, characterised by deleterious gaming patterns with... -
Who will be more likely to seek help? The relationship between suicidal ideation, suicide literacy, attitudes toward suicide and help-seeking intention in male and female adolescents
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Bich-Phuong Vu --- RMIT University Vietnam, Vietnam Ha-Giang Nguyen --- University of Education, Vietnam National University Hanoi, Vietnam Hoang-Minh Dang --- University of Education, Vietnam National University Hanoi, VietnamObjectives: Among adolescents, suicide is a critical global concern, yet research is limited in low- and middle-income countries. The primary aim of this study is to investigate the interrelations among suicide-related factors (specifically, suicidal ideation, suicide literacy, attitudes toward suicide,... -
Mutual fund shareholdings and performance: A network perspective
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bing Li --- University of Shanghai for Science and Technology (USST), China Jiancheng Lin --- University of Shanghai for Science and Technology (USST), China Yaopeng Wang --- University of Shanghai for Science and Technology (USST), ChinaMutual fund shareholdings build up complex relations between funds and can impact fund performance as well. We focus on the Chinese mutual fund market to examine the relationship between mutual fund shareholdings and performance. Specifically, we describe the complex shareholding... -
Exported illegally, threatened locally: South Africa in the global reptile pet trade
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Sian Willoughby --- University of Pretoria, South Africa SA Jeanetta Selier --- South African National Biodiversity Institute (SANBI), South Africa Zwelakhe Zondi --- South African National Biodiversity Institute (SANBI), South Africa Grant Hall --- University of Pretoria, South AfricaThe global illegal exotic pet trade is a major driver of biodiversity loss, particularly affecting reptile species listed under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) Appendix II. CITES is an international agreement... -
A note on the cube polynomials of Fibonacci and Lucas-Run graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianxin Wei --- School of Mathematics and Statistics Science, Ludong University, P.R. ChinaThe cube polynomials of the Fibonacci-run graph and Lucas-run graph are determined, and a conjecture on the relation between them is proved. Note that Mollard (2025) [9] has considered deeply this question and obtained many general conclusions. Here we study... -
Sustaining smartphone-based payment services among youth: Extending ECM with habit and pre-adoption expectancies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rameshkumar Subramanian --- Central University of Punjab, India Ashique Ali K. A. --- SVKM's NMIMS Deemed-to-be University, IndiaSmartphone-based payment services (SBPS) are gaining incredible popularity among the Indian youth due to their tech-savvy behaviour and desire for ease and convenience. The intention to continue using SBPS by youngsters will have a long-lasting effect on India’s vision to... -
Leonard Joseph Victor Compagno (1943–2024): the greatest shark expert of the 20th century
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Rochat --- , South Africa J Pollerspöck --- Bavarian State Collection of Zoology, Germany FH Mollen --- Elasmobranch Research, Belgium E Sperone --- University of Calabria, Italy FR Reinero --- Sharks Studies Centre – Scientific Institute, Italy P Micarelli --- University of Siena, Italy -
Review issue: Management research in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Katia M. Galdino --- Parker College of Business, Georgia Southern University, USA Diane Afoni-Lawong Tanly --- University of Alabama at Birmingham Collat School of Business, USA -
Using interactive SMS support groups to prevent mother-to-child HIV transmission in South Africa: a qualitative analysis of social and psychological benefits
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Cindy A. Crusto --- , USA Samantha Pittenger --- Yale University School of Medicine, USA Jessica Costeines --- Yale University School of Medicine, USA Ndidiamaka Amutah-Onukagha --- Tufts University School of Medicine, USA Anna Kydd --- SHM Foundation, UK Maretha Visser --- University of Pretoria, South Africa Thu Do --- Gilead Sciences, USA Andrea Dean --- Baylor College of Medicine/Texas Children’s Hospital, USA Brian Forsyth --- Yale University School of Medicine, USAAlthough advances have been made in the prevention of mother-to-child transmission (PMTCT) of HIV, social and psychological factors associated with learning of an HIV diagnosis and living with HIV during pregnancy can impact medication adherence and health outcomes. Mobile technology... -
Examining the impact of digital media technology in teaching Igbo to heritage learners
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Toochukwu Mariagorettie Awolor --- University of Utah, USA Sopuruchi Christian Aboh --- The Hong Kong Polytechnic University, Hong KongLittle research attention has been given to the role of digital media technologies such as Zoom, WhatsApp and PowerPoint in teaching Igbo as a heritage language. To address this research gap, this study examined the impact of digital media technology... -
A diachronic study of self-sourced reporting clauses in mechanical engineering and education
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Fan Pan --- Huazhong University of Science and Technology, China Tianran Lv --- Huazhong University of Science and Technology, ChinaReporting clauses are a powerful way of constructing stance that contributes to writers’ presentation of propositions. Based on a corpus of 320 research articles from a hard discipline (mechanical engineering) and a soft discipline (education), this study examined the diachronic... -
Teaching and Testing Second Language Pragmatics and Interaction: A Practical Guide
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Na Yang --- Southeast University, China Zhanhao Jiang --- Southeast University, China -
Connecting lexical bundles and moves in Introductions in medical research articles
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Hui Qi --- Fujian Medical University, China Fan Pan --- Huazhong University of Science and Technology, ChinaThe aim of this study was to examine the use of lexical bundles in three rhetorical moves in Introduction sections of medical research articles and to investigate the relations between lexical bundles and moves. A corpus-driven approach was used to... -
Environmental innovation and green total factor productivity: What role does government environmental attention play?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tingqian Pu --- Guizhou University of Commerce, People’s Republic of ChinaEnvironmental innovation (EI) has become an essential driver of sustainable development, yet its influence on green total factor productivity (GTFP) remains underexplored. This study examines how EI affects GTFP and evaluates the moderating role of government environmental attention (GEA). Using... -
Determinants of viral suppression among young people living with HIV and on antiretroviral therapy in Eswatini: A cross-sectional study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Thabile P. Simelane --- School of Public Health, University of the Western Cape, South Africa Emeka F. Okonji --- School of Public Health, University of the Western Cape, South Africa Brian E. van Wyk --- School of Public Health, University of the Western Cape, South AfricaBackground: HIV treatment, adherence, and retention in care are fundamental in achieving viral load suppression (VLS) and fighting the HIV pandemic. The Government of Eswatini has decentralised antiretroviral treatment (ART) services and introduced differentiated HIV service delivery models to improve... -
Assessment of HIV/AIDS-related stigma and knowledge gaps among healthcare providers in Egypt
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Salma M. A. Mansour --- Egyptian Intellectual Property Authority, Egypt Rahma Mohamed --- Cairo University Hospitals HIV Clinic, Cairo University, Egypt Moses Shongwe --- , United Kingdom Eman Raslan --- , Ahmed Cordie --- Cairo University Hospitals HIV Clinic, Cairo University, Egypt Mohamed AbdAllah --- National Research Center, Egypt Shadw Osama Helal --- Cairo University Hospitals, Egypt Kareem Essam Aiad --- Specialised Medical Centers, Egypt Salma Ghoneim --- Cairo University, Egypt Mohamed Khaled Elshirbeny --- Nasser Institute Hospital for Research and Treatment, Specialised Medical Centers, Egypt Mohamed Gamal Ahmed --- Elsahel Teaching Hospital, Egypt Saeed Soliman --- ,Background: Stigma and discrimination against people living with HIV (PLHIV) in healthcare settings are significant barriers to achieving Egypt’s 95–95–95 targets and ending AIDS as a public health threat by 2030. Misconceptions among healthcare professionals (HCPs) can negatively affect testing,... -
High adult mortality of African Penguins Spheniscus demersus in South Africa after 2004 was likely caused by starvation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Robert JM Crawford --- Fisheries and the Environment, South Africa Richard B Sherley --- Environment and Sustainability Institute/Centre for Ecology and Conservation, University of Exeter, United Kingdom Lynne J Shannon --- University of Cape Town, South Africa Alistair M McInnes --- BirdLife South Africa, South Africa Tegan Carpenter-Kling --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Azwianewi B Makhado --- Fisheries and the Environment, South AfricaFrom 2004–2011, following the collapse of sardine Sardinops sagax, a main food for African Penguins Spheniscus demersus, to < 25% of its maximum recorded abundance, survival of penguins breeding at Dassen and Robben islands, north of Cape Town, South Africa... -
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 --- , MadagascarMadagascar 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... -
A review of the factors affecting bark quality of black wattle (Acacia mearnsii De Wild.) in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: P Avadianund Bridglall --- University of KwaZulu-Natal, South Africa MD Laing --- University of KwaZulu-Natal, South Africa A Morris --- Institute for Commercial Forestry Research, University of KwaZulu-Natal, South Africa RJ Burgdorf --- Institute for Commercial Forestry Research, University of KwaZulu-Natal, South AfricaBlack wattle (Acacia mearnsii De Wild.) stands as a pivotal commercial tree species, spanning 82 000 ha of land in South Africa. The revenue stream, sourced the from timber (85%) and bark (15%) sales, is estimated at US$200 million annually... -
Silvicultural intervention during re-establishment to reduce mortality in eucalypt plantations, South Africa: early results
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ullrich Hechter --- Mondi South Africa (Pty) Ltd, South Africa Keith M Little --- School of Natural Resources Management, Nelson Mandela University, South Africa Julian Moreno Chan --- Institute for Commercial Forestry Research, South Africa Jacob Crous --- Sappi Shaw Research Centre, South AfricaHigh mortality negatively affects rotation-end yield in pulpwood eucalypt stands. Most forest companies in South Africa aim to achieve +90% survival. To ensure optimal survival, companies implement preventative measures such as the use of high-quality plants and optimum re-establishment practices,... -
Afro hip hop in contemporary Nigeria: stimulating alternative social identities among young fans
Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Elizabeth Onyeji --- University of Nigeria, Nigeria Christian Onyeji --- University of Nigeria, NigeriaThis essay explores hip hop trends and their uninhibited stimulation of alternative social identities among young fans in contemporary Nigeria. This is an aspect that has not received much scholarly attention, and we believe that investigating it will deepen existing... -
Philosophical practice and Confucianism: A comparison of consultation styles
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Xiaojun Ding --- School of Humanities and Social Science, Xi’an Jiaotong University, China Peter Harteloh --- Erasmus Institute for Philosophical Practice, The Netherlands Liang Zhao --- Wuhan University, China Caifeng Xie --- School of Humanities and Social Science, Xi’an Jiaotong University, China Chao Yang --- Renmin University of China, ChinaPhilosophical practice is a new paradigm in philosophy, which encompasses one-on-one counselling, group facilitation, organisational consultation and philosophy with children, among other modalities. It transcends practical philosophy as a vital approach connecting philosophical inquiry with everyday life. This article compares... -
The movements of adult leerfish Lichia amia in the Breede Estuary, Western Cape, South Africa: insights from acoustic telemetry
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Kilian --- Rhodes University, South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JD Filmalter --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TF Næsje --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa RJ Wasserman --- Rhodes University, South AfricaLeerfish Lichia amia inhabit estuaries as juveniles before moving between estuaries and the marine environment as sub-adults and adults. While adults remain mostly in the marine environment, philopatry has been observed, with individuals returning to areas previously used, including estuaries... -
Pastoralist knowledge and perceptions on land degradation and forage diversity loss: a case study in the Bordj Bou Arreridj semi-arid region, Algeria
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lounis Semara --- Mohamed El Bachir El Ibrahimi University of Bordj Bou Arreridj, Algeria Sofiane Bensefia --- Mohamed El Bachir El Ibrahimi University of Bordj Bou Arreridj, Algeria Farida Belkasmi --- Mohamed El Bachir El Ibrahimi University of Bordj Bou Arreridj, Algeria Charefeddine Mouffok --- Ferhat Abbas Setif 1 University, Algeria Abdelaziz Bouzegag --- University Centre of Mila, AlgeriaThis study assessed the level of knowledge and perception of pastoralists in the Bordj Bou Arreridj zone in the semi-arid region of Algeria regarding pastureland degradation and loss of forage species diversity. Through group discussions and field surveys, 100 pastoralists... -
Methane emission and performance indicators of sheep fed Super Napier grass, sodium hydroxide-treated rice straw and leaves of two browse species (Leucaena leucocephala and Albizia lebbek)
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: FO Sarkwa --- College of Basic and Applied Sciences, University of Ghana, Ghana V Antwi --- College of Basic and Applied Sciences, University of Ghana, Ghana EC Timpong-Jones --- College of Basic and Applied Sciences, University of Ghana, Ghana FY Obese --- College of Basic and Applied Sciences, University of Ghana, Ghana T Adogla-Bessa --- Evangelical Presbyterian University College, Ghana DY Osei --- Animal Research Institute, Ghana F Adu Boahene --- College of Basic and Applied Sciences, University of Ghana, Ghana S Andoh --- College of Basic and Applied Sciences, University of Ghana, GhanaMethane produced during enteric fermentation in ruminants is influenced by dietary factors. To lower enteric methane emissions without lowering overall production performance, appropriate diets are needed. Thus, the performance and methane emission of sheep fed Super Napier grass (SN), sodium... -
Characterizations of the semi-harmonious and harmonious quasi-projection pairs on Hilbert C ∗-modules
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xiaoyi Tian --- Shanghai Normal University, P.R. China Qingxiang Xu --- Shanghai Normal University, P.R. China Chunhong Fu --- Health School Attached to Shanghai University of Medicine & Health Sciences, P.R. ChinaFor each adjointable idempotent Q on a Hilbert C ∗ -module , a specific projection m(Q) called the matched projection of Q was introduced recently due to the characterization of the minimum value among all the distances from projections to Q... -
Arbitrage opportunities in no-arbitrage portfolios: The case of Bitcoin and Treasury Bills
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Wing-Keung Wong --- Asia University, Taiwan Zhenzhen Zhu --- School of Statistics and Mathematics, Shandong University of Finance and Economics, China I-Ming Jiang --- College of Management, Yuan Ze University, Taiwan Elie Bouri --- Lebanese American University, LebanonEmploying both mean-variance portfolio optimization and stochastic dominance analysis, we examine whether including Bitcoin and 3-month US Treasury Bills could generate arbitrage opportunities and lead to better investment choices. The results show, independent of whether short sales are allowed, that:... -
Bantu languages in focus
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Johanita Kirsten --- UPSET Research Focus Area, North-West University - Vaal Triangle Campus, South Africa -
Influence of land use and cover on the spatio-temporal analysis of the energy balance in a conservation unit
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Liliane Moreira Nery --- Institute of Science and Technology, Brazil Gabriela Gomes --- Institute of Science and Technology, Brazil Nícholas de Paula Nicomedes --- Institute of Science and Technology, Brazil Bruno Pereira Toniolo --- Institute of Science and Technology, Brazil Raphael de Vicq Ferreira da Costa --- Department of Earth Sciences at the University of Minho, Brazil Darllan Collins da Cunha e Silva --- Institute of Science and Technology, BrazilThis study employs Landsat satellite imagery, interpolated meteorological data and the Surface Energy Balance Algorithm for Land (SEBAL) to estimate the energy balance and evapotranspiration (ET) within the Itupararanga Environmental Protection Area (Itupararanga EPA), located in the Atlantic Forest biome... -
First report of Melanterius inconspicuus (Coleoptera: Curculionidae: Cleogonini) from KwaZulu-Natal, South Africa, with observations of its development in black wattle
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Wilma J Nel --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South Africa Irene Barnes --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South Africa Sandisiwe Jali --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South Africa Fiona Impson --- University of Cape Town, Department of Biological Sciences, South Africa Rolf G Oberprieler --- Australian National Insect Collection, Australia Brett P Hurley --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South AfricaMelanterius is a large genus of small weevils that primarily feed on the seeds of Acacia species occurring in their native range in Australia. In the latter part of the 20th century, five seed-feeding Melanterius species were released against several... -
The role of digital inclusive finance in rural revitalization: Mediating effects of infrastructure and education
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yingying Li --- Kunming University of Science and Technology, People’s Republic of China Zhao Rui Feng --- Kunming University of Science and Technology, People’s Republic of China Muhammad Dawood --- Yunnan Technology and Business University, People’s Republic of China Xiang Long --- Yunnan Provincial Government Development Research Center, People’s Republic of ChinaTo explore in depth the impact of digital inclusive finance (DIF) on rural revitalization, this study employs the entropy method to measure the level of rural revitalization across 30 provincial-level administrative regions in mainland China from 2014 to 2023. It... -
Monitoring survival probabilities of Cape Vultures Gyps coprotheres in South Africa, using GPS tracking data
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sophie Pulcella --- Knowsley Safari, Prescot, United Kingdom Kerri Wolter --- Vulpro NPC, South Africa Juliana Pinto --- Vulpro NPC, South Africa Brian Kuhn --- Vulpro NPC, South Africa Wolfgang Fiedler --- Max Planck Institute of Animal Behaviour, GermanyThe Cape Vulture Gyps coprotheres is a species of Old-World vulture endemic to southern Africa. Currently listed as ‘Vulnerable’ by the IUCN, they face increasing threats from anthropogenic hazards, such as collisions with man-made infrastructure and poisoning events, leading to... -
Connecting Chinese intangible culture to Swahili audiences: Exploring thechallenges and strategies in translation
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Bingqin Han --- School of Foreign Languages, Tianjin University, China Yuting Cao --- School of Asian and African, Tianjin Foreign Studies University, China Zhenhuan Wu --- School of Asian and African, Tianjin Foreign Studies University, ChinaThis article explores the challenges and coping strategies in translating the vocabulary of Chinese intangible cultural heritage (CICH) into Swahili, from the perspective of cultural gaps in translation. Based on previous studies that have classified culture-specific vocabulary into ‘completely absent... -
Global solutions for the time-space fractional rotating magnetohydrodynamic equations in Besov spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jinyi Sun --- College of Mathematics and Statistics, P.R. China Yuanwei Mai --- College of Mathematics and Statistics, P.R. China Yatao Li --- Jiangxi University of Finance and Economics, P.R. ChinaThis paper is devoted to the time-space fractional rotating magnetohydrodynamic equations in Besov spaces. By exploiting the interweaving action of the smoothing effects of the fractional Laplacian dissipation and dispersive effects of the Coriolis force involving with the time-fractional evolution... -
Interactions between Red-billed Oxpeckers (Buphagus erythrorhynchus) and hippopotamus (Hippopotamus amphibius) in the Salambala Conservancy, Namibia
Item type: Journal Article • Journal: African Zoology • Authors: Michael S Lukubwe --- Department of Zoology and Entomology, Rhodes University, South Africa Adrian JFK Craig --- Department of Zoology and Entomology, Rhodes University, South Africa Charles Byaruhanga --- Department of Veterinary Tropical Diseases, University of Pretoria, South AfricaOxpeckers (Buphagus spp.) play dual roles as mutualists and parasites of large mammals, primarily engaging in ectoparasite removal, with occasional instances of wound feeding. However, studies on their interactions with semi-aquatic species, such as hippopotamus (Hippopotamus amphibius, hereafter hippos), remain... -
Macrofauna assemblages and their relationships with environmental parameters in mangroves of Kribi, Cameroon
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Vanessa Maxemilie Ngo-Massou --- High Teacher’s Training College, University of Yaoundé I, Cameroon Ernest Flavien Kottè-Mapoko --- Institute of Fisheries and Aquatic Sciences at Yabassi, The University of Douala, Cameroon Guillaume Léopold Essomè-Koum --- Institute of Fisheries and Aquatic Sciences at Yabassi, The University of Douala, Cameroon Elegbede Isa Olalekan --- Lagos State University, Nigeria Boubakary --- The University of Maroua, Cameroon Laurant Nyamsi-Moussian --- The University of Douala, Cameroon Alphonse Konango-Samè --- The University of Douala, Cameroon Ophman Nsame-Bile --- The University of Douala, Cameroon Wendy Loys Keedi-A-Bougen --- The University of Douala, Cameroon Joseph Lebel Tamesse --- High Teacher’s Training College, University of Yaoundé I, Cameroon Ndongo Din --- The University of Douala, CameroonChanges in composition, abundance and distribution of macrofaunal assemblages are subject to environmental influences. However, the effects of ecological disturbance on mangrove habitats in Cameroon have not been sufficiently studied with regard to macrofaunal assemblages. This work aims to identify...
