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1. 

   The Effect of Storage Time, Temperature and Container on the Viability of the Seed of Four Pine Species

   Item type: Journal Article • Journal: South African Forestry Journal • Authors: D. G.M. Donald --- , C.B. Jacobs --- ,

   Seeds of four pines, Pinus elliottii, P. patula, P. radiata and P. taeda, each represented by three stock numbers, were stored in linen bags and PVC containers at room temperature, 2 to 3°C and −16°C for 25 years. Germination capacity...

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2. 

   Comparison Between a Commercial Fertiliser Prescription and Soluble and Granular Forms of 2:3:2 and 3:2:1 With and Without Trace Elements as Applied to E. grandis Seedlings

   Item type: Journal Article • Journal: South African Forestry Journal • Authors: D. G.M. Donald --- Faculty of Forestry, C. Jacobs --- Faculty of Forestry, M.Y. Milani --- Faculty of Forestry,

   A trial designed to test various fertilisers clearly demonstrated that good growth in the nursery and adequate initial growth in the field of Eucalyptus grandis seedlings could be obtained from any of the mixes tested. The soluble form of the...

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3. 

   Micropropagation of Eucalyptus radiata ssp. radiata Using Explants from Mature and Coppice Material

   Item type: Journal Article • Journal: South African Forestry Journal • Authors: S.H. Chang --- Department of Forestry, RSA D. G.M. Donald --- Department of Forestry, RSA G. Jacobs --- Department of Horticulture, RSA

   Nodes from young field-grown coppice regrowth and branches of a mature tree of Eucalyptus radiata ssp. radiata were cultured on a MS medium containing BA and NAA. BA at 0,5 mg/ℓ and NAA at 0,01-0,1 mg/ℓ were most effective in...

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4. 

   Effect of triadimefon on fruit set and seed development of ‘Starking Delicious’ apple

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G. Jacobs --- Department of Horticulture, Republic of South Africa L. Gouws --- Department of Horticulture, Republic of South Africa D.K. Strydom --- Department of Horticulture, Republic of South Africa

   Spray applications of triadimefon (TDF) (1–4 chlorophenoxy 3,3 dimethyl 1–1-H-1,2,4 triazol 1-yl-2 butanone) (5% W.P.) at 100 mg dm−3 active ingredient at full bloom and pre- and/or post-full bloom on ‘Starking Delicious’ apple trees (Malus domestica Borkh.) increased fruit set...

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5. 

   Effect of a foliar application of paclobutrazol in autumn on the reproductive development of ‘Songold’ plum

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.J. Olivier --- Department of Horticultural Science, Republic of South Africa G. Jacobs --- Department of Horticultural Science, Republic of South Africa D.K. Strydom --- Department of Horticultural Science, Republic of South Africa

   A foliar application of paclobutrazol (1- (4-chlorophenyl) −4,4-dimethyl-2- (1,2,4- triazol-1-yl) pentan-3-ol) at 250 or 500 mg dm−3 a.i. in autumn, or late winter applications of dinitro-o-cresol oil emulsion (DNOC) in water at 3% v/v, increased the percentage of ‘Songold’ plum...

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6. 

   Manipulation of acrotony in one-year-old apple shoots

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N.C. Cook --- Department of Horticultural Science, Republic of South Africa K. Verhaegen --- , Belgium J. Keulemans --- , Belgium G. Jacobs --- Department of Horticultural Science, Republic of South Africa

   Unbranched rooted layers of the rootstock Mailing 9 (M.9 clone Nie 29) ≈600 mm long were treated twice in autumn (4 and 13 October 1995) in the stoolbed as follows: a) non-treated control; b) the distal 300 mm of the...

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7. 

   Anatomical and compositional changes during fruit development of ‘Galia’ melons

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N. J.J. Combrink --- Department of Agronomy, Republic of South Africa G.A. Agenbag --- Department of Agronomy, Republic of South Africa P. Langenhoven --- Department of Agronomy, Republic of South Africa G. Jacobs --- Department of Horticultural Science, Republic of South Africa E.M. Marais --- Department of Botany, Republic of South Africa

   ‘Galia’ melons were grown under controlled conditions and pruned to bear two fruits with 19 leaves per plant. Leaves and fruits were sampled and analysed at eight different stages. Pericarp cell division and enlargement occurred during the first week after...

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8. 

   Budburst and yield of ‘Peeka’ apricot influenced by time and concentration of hydrogen cyanamide application

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N.C. Cook --- Department of Horticultural Science, South Africa A. O.D. Bergh --- Department of Horticultural Science, South Africa D.K. Strydom --- Department of Horticultural Science, South Africa G. Jacobs --- Department of Horticultural Science, South Africa

   The rest-breaking response of ‘Peeka’ apricots (P. armeniaca L.) grown locally under conditions of inadequate winter chilling to 0%, 0.25%, 0.5%, 0.75%, and 1% hydrogen cyanamide sprayed 29 July, 3 August, 13 August, and 17 August 1987 is reported, owing...

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9. 

   Exogenously applied ethylene reduces the cold requirement for ripening of pears (Pyrus communis L.) cv. Forelle

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.G. du Toit --- Department of Horticultural Science, South Africa G. Jacobs --- Department of Horticultural Science, South Africa M. Huysamer --- Department of Horticultural Science, South Africa D.M. Holcroft --- Department of Horticultural Science, South Africa

   ‘Forelle’ pears harvested at commercial maturity were treated with ethylene at 0, 10 or 100 μl 1−1 for 24 hours at 20°G before being stored at-0.5°Cfor 12 weeks. Periodic sampling of the fruit showed that both ethylene treatments significantly hastened...

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10. 

    The effect of rootstock cultivar on the yield and fruit quality of ‘Packham's Triumph’, ‘Doyenne du Comice’, ‘Forelle’, ‘Flamingo’ and ‘Rosemarie’ pears

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.N. Jacobs --- Department of Horticultural Science, South Africa N.C. Cook --- Department of Horticultural Science, South Africa

    Production data and questionnaire results concerning the long-term effects of various rootstocks on pear (Pyrus communis L.) yield indicated that BP1 and BP3 are currently the preferred rootstocks in the South African industry. Yield records of ‘Packham's Triumph’ pears indicated...

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11. 

    Development of SCAR markers for a Thinopyrum distichum chromosome that appears to be involved in salt tolerance

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.A. Jacobs --- Department of Genetics, South Africa L. Hanekom --- Department of Genetics, South Africa A.S. Marais --- Department of Genetics, South Africa G.F. Marais --- Department of Genetics, South Africa

    Sixty-seven F-1 plants from the backcross: Thinopyrum distichum/tetraploid ‘Henoch’ rye//diploid ‘Henoch’ rye were cloned, tested for salt tolerance (2–4 replications per genotype) and ranked. Sixty RAPD primers were tested on the parental lines. Nine of these produced Thinopyrum specific fragments...

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12. 

    Influence of harvest maturity on quality of cold stored Vitis vinifera L. cv. ‘Thompson Seedless’ and ‘Red Globe’ table grapes, with special reference to berry split

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.A. Burger --- , South Africa M.A. Taylor --- , South Africa G. Jacobs --- Department of Horticultural Science, South Africa M. Huysamer --- Department of Horticultural Science, South Africa

    Effect of harvest maturity on quality of Thompson Seedless' and ‘Red Globe’ table grapes after cold storage at −0.5°C and a subsequent shelf life was investigated. Berry split decreased significantly for grapes harvested at more advanced maturities. By harvesting ‘Thompson...

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13. 

    Elucidation of seasonal pigmentation patterns in the involucral leaves of Leucadendron ‘Safari Sunset’

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael Schmeisser --- Department of Horticultural Science, South Africa Gerard J Jacobs --- Department of Horticultural Science, South Africa Willem J Steyn --- Department of Horticultural Science, South Africa

    This study investigates seasonal pigmentation patterns found in the involucral leaves of Leucadendron ‘Safari Sunset’, with the long-term aim of colour manipulation. Treatments comprised deconed shoots and shoots in which the opening of the flower head was physically prevented. During...

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14. 

    The function of regreening in yellow female Leucadendron (Proteaceae)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael Schmeisser --- Department of Horticultural Science, South Africa Gerard J Jacobs --- Department of Horticultural Science, South Africa Willem J Steyn --- Department of Horticultural Science, South Africa

    What do female Leucadendron stand to gain by regreening their involucral leaves rather than discarding them after flowering? Regreening of involucral leaves could contribute to the carbon budget and/or protect the developing cone-shaped inflorescence during seed development. This was determined...

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15. SOME FACTORS AFFECTING THE PERPETUATION OF OUR INDIGENOUS SILVA

    Item type: Journal Article • Journal: Journal of the South African Forestry Association • Authors: JACOB GERSTNER

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16. 

    Remediërende onderrig van Afrikaans as vreemde taal: 'n eksperimentele ondersoek

    Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Monica Jacobs --- Fakulteit van Opvoedkunde, Republiek van Suid-Afrika

    Verslag is gelewer van twee verwante eksperimentele studies oor die onderrig van Afrikaans as vreemde taal wat onder remediërende hoërskoolleerlinge in Durban van stapel gestuur is. Die steekproewe in die twee eksperimente het onder-skeidelik uit 60 en 20 leerlinge bestaan...

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17. 

    Consonantal variation in Zulu English mesolect

    Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Monica Jacobs --- Department of Didactics, Republic of South Africa

    Die kernprobleem wat in hierdie artikel bespreek word, is die effek wat konsonantvariasie op die verstaanbaarheid van Zoeloe-Engels uitoefen. Die ontleding—gegrond op 'n empiriese studie bestaande uit die klaskamerdiskoers van 56 onderwyser(esse)—wentel om agt konsonante wat in vrye variasie saam...

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18. 

    The effect of different fire treatments on the population structure and density of the Marula, Sclerocarya birrea (A. Rich.) subsp. caffra (Sond.) kokwaro (Kokwaro & Gillet 1980) in the Kruger National Park

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: OS Jacobs R Biggs

    To determine the influence of frequency and season of burn on the growth structure and density of Sclerocarya birrea, six replicated fire treatments of the experimental burning plot trial were surveyed in the Sclerocarya birrea / Acacia nigrescens savanna of...

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19. 

    Perspective: Improvement in rangeland condition of the Flooding Pampa of Argentina through controlled grazing

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: V.A. Deregibus --- Faculty of Agronomy, Argentina E. Jacobo --- Faculty of Agronomy, Argentina A. Rodriguez --- Faculty of Agronomy, Argentina

    The Flooding Pampa grasslands situated in temperate Argentina were ungrazed historically, but now support primarily breeding herds of cattle. These extensive, flat, infertile grasslands experience seasonal floods. Although summer droughts are usual, grasses maintain productivity during the entire year and...

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20. 

    Research note: Tests for inducible thorn defences against herbivory must consider plant growth strategies

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.J. Midgley --- Botany Department, Republic of South Africa D. Ward --- Mitrami Centre for Desert Ecology, Jacob Blaustein Institute for Desert Research, Israel

    Thorn length and density on the latest year's growth were compared at three height (feeding) levels (<1m, >1m<2 m and >2 m) on individuals of Acacia karroo and Ziziphus mucronata in an area that was browsed by goats. Thorn length...

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21. 

    Influence of single applications of nitrogen on white clover nitrogen fixation in autumn and winter dairy pastures in south‐west Victoria, Australia

    Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: F.R. McKenzie --- Department of Natural Resources and Environment, Australia J.L. Jacobs --- Department of Natural Resources and Environment, Australia P. Riffkin --- Department of Natural Resources and Environment, Australia G. Kearney --- Department of Natural Resources and Environment, Australia

    Effects of nitrogen (N) (0, 15, 30, 45 and 60 kg N ha−1) applied at five different times during autumn and early winter on the N fixation of Trifolium repens L. (white clover) in Lolium perenne L. (perennial ryegrass) /...

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22. 

    Spring and autumn nitrogen fertiliser effects, with and without phosphorus, potassium and sulphur, on dairy pastures: Yield and botanical composition

    Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: F.R. McKenzie --- Department of Natural Resources and Environment, Australia J.L. Jacobs --- Department of Natural Resources and Environment, Australia M. Ryan --- Department of Natural Resources and Environment, Australia G. Kearney --- Department of Natural Resources and Environment, Australia

    Experiments were conducted at three sites to study effects of different nitrogen (N) fertilisers (e.g. urea, ammonium nitrate, di‐ammonium phosphate and ammonium sulphate), applied at 45 kg N ha−1, with and without phosphorus (P), potassium (K) and sulphur (S), on...

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23. 

    Spring and autumn nitrogen fertiliser effects, with and without phosphorus, potassium and sulphur, on dairy pastures: Pasture nutritive value and mineral content

    Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: F.R. McKenzie --- Department of Natural Resources and Environment, Australia J.L. Jacobs --- Department of Natural Resources and Environment, Australia M. Ryan --- Department of Natural Resources and Environment, Australia G. Kearney --- Department of Natural Resources and Environment, Australia

    Experiments were conducted at three sites to examine effects of applying different nitrogen (N) fertilisers at 45 kg N ha−1, with and without phosphorus (P), potassium (K) and sulphur (S) on dairy pasture nutritive value and mineral content in autumn...

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24. 

    Development of a Post-Modern Career Interest Questionnaire for South-African School Settings

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Jaqui Sommerville --- University of Pretoria,

    The study explored the potential value and viability of an interest narrative (questionnaire) in terms of its psychometric properties and by comparing it with a commonly administered (positivist) career interest questionnaire. Participants were 159 boys and 183 girls, mean ages...

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25. 

    Finding Voice: The Photovoice Method of Data Collection in HIV and AIDS-Related Research

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Suhana Jacobs --- University of KwaZulu-Natal, Anne Harley --- University of KwaZulu-Natal,

    This study examined the efficacy of photovoice as a research technique to explore the lives of children and families living in the context of HIV and AIDS. Participants were volunteers at a Day Care and Support Centre (n=18), and members...

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26. 

    The Impact of Life Design Counselling on Adolescents

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree [AN0001] Zelda Pollard

    This study records a process of heightening self-awareness within a semi-structured ‘life design counselling’ process. The research was conducted on the basis of a case study designed to facilitate co-constructive conversation with a purposefully selected youth. The participant was enabled...

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27. 

    Attention Deficit Hyperactivity Disorder (ADHD)—Dilemmas and Solutions

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martha Alida Jacoba Olivier --- Nelson Mandela Metropolitan University, Ana Maria Gomes --- Nelson Mandela Metropolitan University, Aletta Johanna Greyling --- Nelson Mandela Metropolitan University,

    We investigated the efficacy of the Coping Skills Programme to address dilemmas and solutions for parents of children diagnosed with Attention Deficit Hyperactivity Disorder (ADHD). Participants were purposively sampled parents of children diagnosed with ADHD in the Eastern Cape of...

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28. 

    Developing a Basic Mathematics Questionnaire for Grades 4 to 7

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marthie S. van der Walt --- North-West University, South Africa Jacobus G. Maree --- North-West University, South Africa Suria M. Ellis --- North-West University, South Africa

    In this article, the authors report on the development of a basic mathematics questionnaire for Grades 4 to 7 (the BM(P)). The provisional instrument was completed by 1,103 Afrikaans-, English-and Tswana-speaking learners in Grades 4 to 7 in the North-West...

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29. 

    South African Teachers' Experiences of Children in their Classrooms who may have ADHD

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tina Lopes --- University of Pretoria, South Africa Irma Eloff --- University of Pretoria, South Africa Sarah Howie --- University of Pretoria, South Africa Jacobus G. Maree --- University of Pretoria, South Africa

    This study focused on understanding and explaining how teachers experience children in their classrooms who may have Attention Deficit Hyperactivity Disorder (ADHD). The study was a qualitative study in which 17 teachers from three different schools in Gauteng, South Africa,...

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30. 

    How Children Experience the Assets that Support their Learning

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Irma Eloff --- University of Pretoria, Ilze Ferreira --- University of Pretoria, Jacobus G. Maree --- University of Pretoria,

    The study, on which this article is based, explored the ways in which primary school children in an urban (city centre) setting experience the assets and resources that support their learning. The researchers used a qualitative phenomenological research design incorporating...

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31. 

    Emotional Intelligence and the Identity Negotiation of a Racial Minority Group in a Majority School Context

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Maria M. Meijer --- University of Pretoria,

    This article describes the possible impact of emotional intelligence on identity negotiation of a racial minority group in a majority school context. The study investigated the adjustment and functioning of racial minority groups in majority school contexts, as well as...

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32. 

    Exploring the Impact of Self-Directed Team Learning in an Air Traffic Control Environment

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Christiaan G. Joubert --- University of Pretoria, Mike van der Linde --- University of Pretoria, Paul J. van Staden --- University of Pretoria,

    Experienced military air traffic controllers (25 respondents, males = 15, females = 10, years of experience = less than one year = 5 respondents, more than one year but less than three years = 11 respondents and more than three...

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33. 

    Editorial: Reassessing Career Counseling in Africa in the 21st Century: Breathing New Life into Qualitative Approaches

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria,

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34. 

    Brief Overview of the Advancement of Postmodern Approaches to Career Counseling

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria,

    Global changes in people's lifestyles and in the world of work (prompted by changes in the global economy) have necessitated changes in the facilitation of career counseling in the postmodern era. This article attempts to provide a concise overview of...

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35. 

    Career-story Interviewing Using the Three Anecdotes Technique

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria,

    This article describes the value of using the Three Anecdotes Technique (TAT) during career-story interviewing. The TAT is a technique aimed at eliciting clients' three earliest memories to help counsellors identify clients' preoccupations and thereby support them to deal with...

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36. 

    The Effect of Narrative Career Facilitation on the Personal Growth of a Disadvantaged Student—A Case Study

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Liesel Ebers&ouml;hn --- University of Pretoria, Angelique Biagione-Cerone --- University of Pretoria,

    This article describes the effect of narrative career facilitation on the personal growth of a disadvantaged undergraduate student at a tertiary institution in South Africa. The participant was selected purposively from among a group of undergraduate students at the tertiary...

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37. 

    Identifying and Dealing with the Adaptability Needs of an Unwed Pregnant Teenager

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, South Africa Esta Hansen --- University of Pretoria, South Africa

    This article describes a way of identifying and dealing with the adaptability needs of a pregnant teenager from a life design perspective. The participant was selected purposively from among a group of undergraduate students at an institution for unwed mothers...

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38. 

    The Value of Life Design Counselling for an Adolescent who Stutters

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Yolene Hancke --- University of Pretoria,

    This study reports the results of a life design approach case study with an adolescent with stuttering. A variety of postmodern techniques were used to engage the adolescent in life design conversations about a preferred and meaningful future. Post-intervention, the...

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39. 

    Combining Ericksonian and Sandplay Approaches to Therapy with Children who Manifest Depression as a Developmental Barrier

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Liesel Ebers&uml;hn --- University of Pretoria, Dirkie A. de Villiers --- University of Pretoria,

    This study reports on the use of the Ericksonian approach combined with sandplay therapy to assist children who present with depression, a troublesome developmental barrier. Participants were six children and/or adolescents with depression (two males and four females; age range...

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40. 

    Crossing the Invisible Line: Exploring Women's Secretive Alcohol Dependence and Barriers to Accessing Treatment

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liezille Jacobs --- Human Sciences Research Council, Anthony Naidoo --- Stellenbosch University, Priscilla Reddy --- Human Sciences Research Council,

    This study explores the discursive accounts of women's alcohol dependence, treatment history and barriers in accessing alcohol dependence treatment. Participants were 10 women with alcohol dependency (age range=30 to 65, ethnicity= 70% White and 30% Black). Data were collected through...

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41. 

    Career Counselling: The Usefulness of the Career Interest Profile (CIP)

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annamaria Di Fabio --- University of Florence, Jacobus Gideon Maree --- University of Pretoria,

    This study reports the findings from exploratory career counselling with Italian undergraduate university students using the Career Interest Profile (CIP). The participants (n = 178, females = 51.69%; mean age 22.28, SD = 1.59 years) received elective career counselling on...

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42. 

    Ethnic Identification as Contributor to the Development of Moral Identity in Child-Headed Households

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacqueline Pretorius --- Private Practice, Piet Retief, Susanne Jacobs --- North West University, South Africa Marie van Reenen --- North West University, South Africa

    This study explored whether ethnic membership was a core construct in the moral identity development of adolescents in Zulu child-headed households. A convenience sample of 60 participants (31 male and 29 female) were recruited for the study from a mixed...

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43. 

    The Relationship Between Emotional Intelligence, Study Orientation in Mathematics and the Mathematics Achievement of the Middle Adolescent

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Lizelle Fletcher --- University of Pretoria, Petro Erasmus --- North West University,

    This article describes the extent to which emotional intelligence and study orientation predict the mathematics achievement of middle adolescents. Altogether 435 learners in Grades 9 and 11 from three high schools in the Mafikeng region completed the Bar-On EQ-i: YV™...

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44. 

    South African Educators' Understanding of Bullying

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Corene de Wet --- University of the Free State, South Africa Lynette Jacobs --- University of the Free State, South Africa

    This study examined educators' understanding of learner-on-learner school bullying. Participants were 91 educators from the Free State Province, South Africa (females = 65.9%, primary/elementary school teaching = 46.1%). Data on bullying was collected by means of questionnaires in which a...

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45. 

    The generalised injection and surjection moduli

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: JacobJ. Jaftha

    Let X and Y be normed linear spaces and T(X → Y) a linear operator. We investigate operator quantities for unbounded linear operators determined by perturbation by precompact operators, namely the generalised injective and surjective moduli. We show that these...

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46. 

    A GENERALIZATION OF FINSLER'S THEOREM FOR QUADRATIC INEQUALITIES AND EQUALITIES

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: D.H. Jacobson --- , South Africa

    A generalization is given of Finsler's theorem on the positivity of a quadratic form subject to a quadratic equality. The generalized result is, under a certain assumption, a set of necessary and sufficient conditions for non-negativity of a quadratic form...

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47. 

    ON THE SPECTRAL RADIUS OF IRREDUCIBLE AND WEAKLY IRREDUCIBLE OPERATORS IN BANACH LATPICES

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: JacobusJ. Grobler --- , Republic of South Africa

    If T is an operator on a Banach lattice E we call T weakly irreducible if E contains no non-trivial T-invariant bands. We prove that if E is order complete and if the weakly irreducible operator T > 0 is...

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48. 

    A NOTE ON MAJORIZING AND CONE ABSOLUTELY SUMMING OPERATORS IN BANACH LATTICES

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: JACOBUSJ. GROBLER --- , Republic of South Africa

    Operators T which are both majorizing and cone absolutely summing on a Banach lattice E are investigated. Compactness and nuclearity of such operators are discussed and it is shown that a trace can be defined for operators belonging to a...

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49. 

    A CHARACTERIZATION OF THE BAND OF KERNEL OPERATORS

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: JacobusJ Grobler --- Department of Mathematics Potchefstroom, South Africa Peter van Eldik --- Department of Mathematics Potchefstroom, South Africa

    In this note we present a characterization of the band of kernel operators in the abstract setting of Riesz spaces. Under the assumptions that E is an Archimedean Riesz space and F a Dedekind complete Riesz space separated by its...

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50. 

    A NOTE ON A PAPER BY NG PENG-NUNG AND LEE PENG-YEE

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: JacobusJ. Grobler --- Department of Mathematics, South Africa Peter van Eldik --- Department of Mathematics, South Africa

    In the paper “Convergence in normed Köthe spaces” (J. Singapore National Academy of Science, 4, 146–148 (1975) M.R. 52 # 11568) Ng Peng-Nung and Lee Peng-Yee obtained a convergence result in the general setting of Banach funcation spaces providing conditions...

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51. 

    ON CONDITIONALLY DEFINITE QUADRATIC FORMS

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: DH Martin --- , DH Jacobson --- ,

    Second order optimality conditions may require the verification of a conditional definiteness condition of the form

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52. 

    EQUIMEASURABLE SETS IN RIESZ SPACES

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: JacobusJ Grobler --- Department of Mathematics Potchefstroom, South Africa Peter van Eldik --- Department of Mathematics Potchefstroom, South Africa

    We discuss the notion of equimeasurability in the general setting of Riesz spaces and obtain a characterization for (Carleman) abstract kernel operators in terms of equimea=surable sets.

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53. 

    THE PERIPHERAL SPECTRUM IN BANACH LATTICE ALGEBRAS

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Lucas Venter --- Department of Mathematics and Applied Mathematics, Republic of South Africa JacobusJ. Grobler --- Department of Mathematics and Applied Mathematics, Republic of South Africa Peter van Eldik --- Department of Mathematics and Applied Mathematics, Republic of South Africa

    We describe the peripheral spectrum of positive elements of a complex Banach lattice algebra E by exploiting the order structure of the space, the properties of the set M of non-trivial multiplicative linear functionals on E, and of appropriate subsets...

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54. 

    On Nature and Language

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Jacobus A Naud&eacute;

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55. 

    The status of the word in selected conventional writing systems — the case of disjunctive writing

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Louis Jacobus Louwrens George Poulos

    In this article, the issue of the status or nature of the word is revisited with specific reference to languages which employ the disjunctive system of writing. Although it is generally assumed that the 'word' represents the basic unit of...

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56. 

    Language Practice — one profession, multiple applications

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: JacobusA Naud&eacute;

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57. 

    The translation of biblical texts into South African Sign Language

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Susan Lombaard JacobusA Naud&eacute;

    This article aims to prove that biblical texts in South African Sign Language (SASL) are more accessible than written or printed biblical texts for deaf-born South African people who use sign language as their first language. The study made use...

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58. 

    Collocations in popular religious literature: an analysis in corpus-based translation studies

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Jacobus Marais JacobusA Naud&eacute;

    The aim of the paper is to investigate a particular register of language. This register is, broadly speaking, language for special purposes (LSP) and, more particularly, popular religious literature as an instance of LSP. The analysis therefore aims to describe...

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59. 

    Development of the EtsaTrans translation system prototype and its integration into the Parnassus meeting administration system

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Cobus Snyman Leandra Ehlers JacobusA Naud&eacute;

    The issue of multilingualism at the University of the Free State (UFS) gained momentum with the development of the EtsaTrans translation system which is being developed according to the principles of example-based machine translation. In this article the development of...

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60. 

    Collaboration as pedagogy: Consequences and implications for partnerships between communication and disciplinary specialists

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Cecilia Jacobs --- Faculty of Engineering, South Africa

    This paper explores the notion of ‘collaboration as pedagogy’ from a literacy-as-socialpractice approach, drawing on theorists who have applied social theories of learning to the development of literacies. These theorists speak to the need for interaction between communication and disciplinary...

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61. 

    From submissiveness to agency: An overview of developments in translation studies and some implications for language practice in Africa

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: JacobusA Naud&eacute; --- Department of Classical and Near Eastern Studies, South Africa

    Since the 1980s, discourses about translation have broadened steadily. Beginning with a discussion of the name and content of the discipline, an overview of some translation approaches focusing on the source text, the process of translation, the reception of the...

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62. 

    Colonial and postcolonial encounters with the indigenous: The case of religious translation in Africa

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: JacobusA Naud&eacute; --- Department of Classical and Near Eastern Studies, South Africa CynthiaL Miller-Naud&eacute; --- Department of Classical and Near Eastern Studies, South Africa

    Translation in the African context is mainly associated with religious translation, especially the Bible but also the Qur’ān. In this paper, selected aspects of the translation of the Bible and the Qur’ān, each a vast field in itself, are used...

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63. 

    Nation, language, and the ethics of translation. Edited by Sandra Bermann and Michael Wood

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: JacobusA Naud&eacute; --- Department of Classical and Near Eastern Studies, South Africa

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64. 

    The complexity of language change: The case of Ancient Hebrew

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: JacobusA Naud&eacute; --- Department of Classical and Near Eastern Studies, South Africa

    This article develops a theory of language change and diffusion in the light of new developments in contemporary linguistics on the themes of language evolution and the rise of linguistic complexity. The core assumptions of this article are, first, the...

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65. 

    AIDS fatigue and university students’ talk about HIV risk

    Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Tamara Shefer --- Women&#039;s and Gender Studies, South Africa Anna Strebel --- Women&#039;s and Gender Studies, South Africa Joachim Jacobs --- HIV/AIDS Programme, South Africa

    Drawing on a qualitative study that included 20 focus group discussions with male and female students at an urban-based university in South Africa, this article reports on perceptions, attitudes and reported behaviour with respect to HIV and AIDS and safer...

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66. 

    TB/HIV-related training, knowledge and attitudes of community health workers in the Free State province, South Africa

    Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Christo Heunis --- University of the Free State, Centre for Health Systems Research &amp; Development, South Africa Edwin Wouters --- University of the Free State, Centre for Health Systems Research &amp; Development, South Africa Gladys Kigozi --- University of the Free State, Centre for Health Systems Research &amp; Development, South Africa Ega Janse van Rensburg-Bonthuyzen --- University of the Free State, Centre for Health Systems Research &amp; Development, South Africa Nandipha Jacobs --- University of the Free State, Centre for Health Systems Research &amp; Development, South Africa

    With its emphasis on task shifting and multi-trained and skilled outreach teams the primary healthcare (PHC) re-engineering strategy in South Africa depends on the training, knowledge and attitudes of community health workers (CHWs) to provide a variety of TB/HIV services...

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67. 

    Correlates of sexual activity versus non-activity of incoming first-year students at a South African university

    Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Renette J Blignaut --- Department of Statistics and Population Studies, Tania Vergnani --- Department of Statistics and Population Studies, Joachim J Jacobs --- Department of Statistics and Population Studies,

    In order to contribute to the design of more effective programmes to curb the spread of HIV at tertiary institutions, this study compares the profile of students who are sexually active versus those who are not yet sexually active when...

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68. 

    SHORT NOTES

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Francois van der Merwe --- , South Africa Francois Heunis --- , South Africa Peter Steyn --- , South Africa Heinz-Ulrich Reyer --- , West Germany M.A. Macdonald --- Dept. of Zoology, J. Watson --- , Scotland A. Clark --- , South Africa S.W. Wolff --- Transvaal Nature Conservation Division, South Africa N. H. G. Jacobsen --- Transvaal Nature Conservation Division, South Africa W. R. J. Dean --- Transvaal Nature Conservation Division, Nylsvley Nature Reserve, South Africa T.B. Oatley --- Natal Parks, Game and Fish Preservation Board, R.A. Cruickshank --- Sea Fisheries Branch, South Africa R.A. Earl&eacute; --- Department of Zoology, South Africa

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69. 

    A Review of Certain State Forest Policies and their Influence on Timber Harvesting

    Item type: Journal Article • Journal: South African Forestry Journal • Authors: D. C.P. Jacobs --- Department of Forestry,

    A review of the State's forest policy indicates, amongst other objectives, that the acquisition of land and the management of land for the production of timber on the best possible economic basis, are major objectives. The availability of land is,...

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70. 

    The Impact of Harvesting on Forest Site Quality

    Item type: Journal Article • Journal: South African Forestry Journal • Authors: D.C. Grey --- Saasveld Forestry Research Centre, South Africa E.O. Jacobs --- Saasveld Forestry Research Centre, South Africa

    Poorly-planned roads and skid trails are largely responsible for the sediment reaching streams in forestry watersheds. Compaction, destruction of topsoil structure and reduced infiltration are increased by harvesting during wet weather on a variety of soils. Sound pre-harvest planning to...

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71. 

    Spiritual well-being and lifestyle choices in adolescents: A quantitative study among Afrikaans-speaking learners in the North West Province of South Africa

    Item type: Journal Article • Journal: Journal of Child &amp; Adolescent Mental Health • Authors: AnneC Jacobs --- School of Philosophy, South Africa CharlesT Viljoen --- School of Education, South Africa JohannesL van der Walt --- School of Education, South Africa

    Objective: This article reports on an investigation into the connection between spirituality and the lifestyle choices of adolescents in the North West Province of South Africa.

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72. 

    Kwaito: a developing inter-racial phenomenon?

    Item type: Journal Article • Journal: Journal of the Musical Arts in Africa • Authors: Jacobus Stephanus Gericke

    This essay compares kwaito's development with the development of other inter-racial music styles, including jazz, ragtime, rock 'n' roll, disco and hip-hop. It poses the question: 'Will kwaito overcome racial barriers in the same way that these other music styles...

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73. 

    Chromosomal population structuring in carangids (Perciformes) between the north-eastern and south-eastern coasts of Brazil

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: IV Accioly --- Departamento de Biologia Celular e Gen&eacute;tica, Centro de Bioci&ecirc;ncias, Brasil LAC Bertollo --- Departamento de Gen&eacute;tica e Evolu&ccedil;&atilde;o, Brasil GWWF Costa --- Departamento de Biologia Celular e Gen&eacute;tica, Centro de Bioci&ecirc;ncias, Brasil UP Jacobina --- Departamento de Biologia Celular e Gen&eacute;tica, Centro de Bioci&ecirc;ncias, Brasil WF Molina --- Departamento de Biologia Celular e Gen&eacute;tica, Centro de Bioci&ecirc;ncias, Brasil

    The family Carangidae comprises 151 species, of which only 19 have been so far karyotyped, including a few representatives from the Western Atlantic Ocean. This study compared the cytogenetic features of three Atlantic carangids, Chloroscombrus chrysurus, Trachinotus goodei and T...

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74. 

    Establisbment of embryogenic suspension cultures of Pinus radiata Don.

    Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: A. Jacoby --- Department of Plant Sciences (Botany and Genetics), South Africa A.J. van der Westhuizen --- Department of Plant Sciences (Botany and Genetics), South Africa A-M. Botha --- Department of Genetics/Forest and Agricultural Biotechnology Institute, South Africa

    The development of embryonal suspensor mass (ESM) from immature embryos of Pinus radiata on a solidified growth medium containing 0,5 mgl−1 benzyladenine, 3,0 mgl−1 2,4-dichlorophenoxyacetic acid, 500 mgl−1 casein hydrolysate and 250 mgl-1 L-glutamine was used as inoculum to establish...

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75. 

    Growth response at age 10 years of five Eucalyptus genotypes planted at three densities on a drought-prone site in KwaZulu-Natal, South Africa

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob Crous --- Sappi Forests, South Africa Louisa Burger --- Department of Forest and Wood Science, South Africa Giovanni Sale --- Sappi Forests, South Africa

    South Africa's climate is characterised by the occurrence of regular droughts. An assessment of drought mortality in KwaZulu-Natal during 1999 could not provide accurate information regarding the effect of species or planting density on mortality because of confounding species-site allocations...

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76. 

    Rationing access to public-sector antiretroviral treatment during scale-up in South Africa: implications for equity

    Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nandipha Jacobs Helen Schneider H.C.J. Van Rensburg

    As with other large-scale antiretroviral therapy (ART) programmes initiated in developing countries, rationing of ART in South Africa was inevitable in the face of limited human and infrastructural resources. This paper discusses rationing of ART and its implications for equity...

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77. 

    The role of pseudo-translations in early Afrikaans travel writing

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: JacobusA Naud&eacute;

    The Afrikaans travel novel, Di Koningin fan Skeba (The Queen of Sheba) (1898a) is analysed within the framework of corpus-based translation studies. The pseudo-translations are compared to the rest of the narrative text of the Di Koningin fan Skeba, as...

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78. 

    The culture-specific nature of headlines in Finansies & Tegniek and Finance Week

    Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: EricaS du Preez JacobusA Naud&eacute;

    Finansies & Tegniek and Finance Week, two South African financial magazines, offer the ideal research opportunity for a comparative study of English and Afrikaans texts. The fact that the magazines can be read internationally lends an interesting dimension to the...

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79. 

    Forest management educational needs in South African forestry companies

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MG Jacobson C Ham PA Ackerman

    South Africa is a world leader in the forest products industry and this industry contributes significantly to the country's economy. Challenges to the industry's future include land reform, water use, global competition, regulations, outsourcing and privatisation (the decreased role of...

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80. 

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

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

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

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81. 

    Pseudohyperkalemia in a patient with chronic myeloid leukaemia

    Item type: Journal Article • Journal: South African Family Practice • Authors: M Jacobsz --- Department of Chemical Pathology, L Frantzen --- Department of Chemical Pathology,

    Hyperkaliaemia is a common finding in the hospital and outpatient setting. Often the cause can be identified easily. If the cause seems obscure, further investigation is warranted.

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82. 

    Adverse effects profile of multidrug-resistant tuberculosis treatment in a South African outpatient clinic

    Item type: Journal Article • Journal: South African Family Practice • Authors: TQ Jacobs --- Department of Family Medicine, A Ross --- Department of Family Medicine,

    Background: Highly active antiretroviral therapy (HAART) and drugs that are used to treat multidrug-resistant tuberculosis have potentially overlapping adverse effects. Few South African studies have documented adverse effects in the multidrug-resistant tuberculosis population. This study examined the adverse effects profile...

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83. 

    Life Design Career Counselling with an Abandoned Adolescent: A Case Study

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of the Free State, South Africa Sandra Crous --- University of Pretoria, South Africa

    This article describes the value of life design counselling with an abandoned adolescent female. The participant was selected purposively from among a group of abandoned adolescent females who had expressed a need for career counselling. The life intervention comprised two...

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84. 

    Evaluation of a school-based nutrition and physical activity programme for Grade 4 learners in the Western Cape province

    Item type: Journal Article • Journal: South African Family Practice • Authors: KL Jacobs --- Head of Division, Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, B Mash --- Head of Division, Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, CE Draper --- University of Cape Town/Medical Research Council Research Unit for Exercise Science and Sports Medicine, J Forbes --- University of Cape Town/Medical Research Council Research Unit for Exercise Science and Sports Medicine, EV Lambert --- University of Cape Town/Medical Research Council Research Unit for Exercise Science and Sports Medicine,

    Objective: This study aimed to evaluate the effectiveness of the Making the Difference programme (MTDP), an education-and activity-based intervention for Grade 4 learners at primary schools in the Western Cape.

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85. 

    Efficacy of outdoor adventure education in developing emotional intelligence during adolescence

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bj&ouml;rn Opper --- University of Pretoria, South Africa Jacobus G. Maree --- University of Pretoria, South Africa Lizelle Fletcher --- University of Pretoria, South Africa Jaqui Sommerville --- University of Pretoria, South Africa

    This study was an efficacy evaluation of an outdoor adventure intervention to facilitate emotional intelligence (EI) among adolescents. A pre-post-test design was used. Participants were a convenience sample of 76 Grade 10 learners from a private high school for boys...

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86. 

    Critical hermeneutics and higher education: a perspective on texts, meaning and institutional culture

    Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Anthea H. M. Jacobs --- Faculty of Education, Department of Education Policy Studies, South Africa

    This paper is a discussion of critical hermeneutics as a research methodology employed in a conceptual analytic study of the concept ‘institutional culture’ within the context of higher education. The research was undertaken to develop an understanding of the concept...

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87. 

    The dynamics of local innovations among formal and informal enterprises: Stories from rural South Africa

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alexandra Luis Mhula Links --- Human Sciences Research Council (HSRC), South Africa Tim Hart --- Human Sciences Research Council (HSRC), Pretoria, South Africa; Department of Sociology and Social Anthropology, Stellenbosch University, South Africa Peter Jacobs --- Human Sciences Research Council (HSRC), South Africa

    Exploiting the developmental potential of innovation for marginalised communities requires a context-specific understanding of the features and mechanics of innovation. In this article we explore the nature of innovation with the aid of evidence collected from formal and informal enterprises...

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88. 

    Actor networks and innovation activities among rural enterprises in a South African locality

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kgabo Hector Ramoroka --- Human Sciences Research Council (HSRC), South Africa Peter Jacobs --- Human Sciences Research Council (HSRC), South Africa Hlokoma Mangqalaza --- Human Sciences Research Council (HSRC), South Africa

    Rural localities are often viewed as too remote, sparsely populated and poor in critical resources needed for them to be innovation hubs. This study contributes new evidence on how actor networks improve innovation performance among rural enterprises that are privately...

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89. 

    Occupational stress of professional nurses in South Africa

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacoba Johanna van der Colff --- College of Nursing, Oman Sebastiaan Rothmann --- Optentia Research Focus Area, South Africa

    The objective of this study was to identify occupational stressors for professional nurses in South Africa. A cross-sectional survey design was used. A stratified random sample of professional nurses (n=818; females = 97%) in hospitals in South Africa was used. The Nursing...

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90. 

    Labour epidural analgesia audit in a teaching hospital in a developing country

    Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: G.G. Jacobs-Martin --- Department of Anesthesiology and Critical Care, South Africa J.L. Burke --- Department of Anesthesiology and Critical Care, South Africa A.I. Levin --- Department of Anesthesiology and Critical Care, South Africa A.R. Coetzee --- Department of Anesthesiology and Critical Care, South Africa

    Background: Neuraxial analgesia is currently considered to be the most effective method of intrapartum analgesia, causing little maternal and foetal sedation. While epidural analgesia has been well studied in developed countries, it is uncertain whether or not the results, particularly...

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91. 

    South African adolescents with cystic fibrosis: a qualitative exploration of their bio-psychosocial fields

    Item type: Journal Article • Journal: Journal of Child &amp; Adolescent Mental Health • Authors: Carina Jacobie Hugo --- At the time of research &mdash; MA Psychology student, Centre for Child, Youth and Family Studies, Mariette van der Merwe --- Centre for Child, Youth and Family Studies, Faculty of Health Sciences,

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92. 

    Narrative counselling with a young engineer

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- Faculty of Education, South Africa Erna W. Gerryts --- Faculty of Education, South Africa

    This case study applied a narrative approach to develop the sense of self as a career resource for a young male engineer in his first working year. The participant client attended eight sessions lasting 60 to 90 minutes each over...

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93. 

    Geographic variation in the morphology, echolocation and diet of the little free-tailed bat, Chaerephon pumilus (Molossidae)

    Item type: Journal Article • Journal: African Zoology • Authors: F. Aspetsberger --- University of Bremen, FB 5 Geosciences, Germany Djuri Brandsen --- Department of Animal Ecology, Netherlands D. S. Jacobs --- Department of Zoology, South Africa

    The insectivorous bat Chaerephon pumilus has a wide distribution in Africa and displays considerable variation in the colour of its wings and venter.We investigated whether variation is also evident in its morphology, echolocation and diet by comparing a population of...

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94. 

    Field identification of two morphologically similar bats, Miniopterus schreibersii natalensis and Miniopterus fraterculus (Chiroptera: Vespertilionidae)

    Item type: Journal Article • Journal: African Zoology • Authors: Samantha Stoffberg --- Department of Zoology, South Africa David S. Jacobs --- Department of Zoology, South Africa Cassandra M. Miller-Butterworth --- Department of Zoology, South Africa

    Miniopterus schreibersii natalensis and Miniopterus fraterculus are two morphologically similar, but genetically distinct, species of insectivorous bat that, more often than not, share roosts. Identifying these two species in the field is difficult because of an overlap in the ranges...

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95. 

    Life design counselling effects on the career adaptability of learners in a selective independent school setting

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- Faculty of Education, South Africa Claire Symington --- Faculty of Education, South Africa

    This collective case study applied life design counselling to augment the career adaptability of learners in a South African independent school setting. Five purposively selected learners attending Grade 11 (age range: 16–18) completed eight group-based life design counselling sessions. Data...

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96. 

    An underlying symmetry on price charts

    Item type: Journal Article • Journal: Investment Analysts Journal • Authors: D.J. Joubert --- Barnard, Jacobs, Mellet &amp; (Pty) Ltd,

    Long term study of trends on price charts using specially developed software, has shown that prices do not change direction at random; instead, prices display a distinct preference to change trend or direction at points on the price chart which...

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97. 

    Life design counselling effects on the career adaptability of learners in a selective independent school setting

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- Faculty of Education, South Africa Claire Symington --- Faculty of Education, South Africa

    This collective case study applied life design counselling to augment the career adaptability of learners in a South African independent school setting. Five purposively selected learners attending Grade 11 (age range: 16–18) completed eight group-based life design counselling sessions. Data...

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98. 

    Prospects for extirpating small populations of the wetland invader Melaleuca quinquenervia from South Africa: a case study from the Western Cape region

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E van Wyk --- Invasive Species Programme, South Africa LEO Jacobs --- Invasive Species Programme, South Africa

    The broad-leaved paper bark tree Melaleuca quinquenervia is a major invader in the wetlands of the Florida Everglades, USA. In South Africa, this introduced species is known from eight locality records and is naturalising at two of these sites. The...

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99. 

    A multi-centre, phase IV study to evaluate the steady-state plasma concentration and serum bactericidal activity of a generic teicoplanin preparation

    Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Oppel Greeff --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa Jacob van Tonder --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa Duncan Cromarty --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa Warren Lowman --- Department of Clinical Microbiology and Infectious Diseases, School of Pathology, South Africa Piet Becker --- Faculty of Health Sciences, South Africa Margo Nell --- Department of Pharmacology, School of Medicine, Faculty of Health Sciences, South Africa

    Introduction: Teicoplanin is an effective treatment option against methicillin-resistant, Gram-positive bacteria, like Staphylococcus aureus. It is a glycopeptide antibiotic, produced through microbial fermentation, a process resulting in variations in the N-acyl side chain. Concerns that these variations may affect the...

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100. Out-breeding behaviour and xenophobia in the damaraland mole-rat, Cryptomys damarensis

     Item type: Journal Article • Journal: South African Journal of Zoology • Authors: David S. Jacobs --- Department of Zoology, South Africa S. Reid --- Department of Zoology, S. Kuiper --- Department of Zoology, South Africa

     Out-breeding behaviour and xenophobia were investigated in laboratory colonies of the Damaraland mole-rat, Cryptomys damarensis. Foreign males and/or females were introduced into reproductively quiescent colonies and colonies which were actively breeding. Although males attempted to mate with familiar or related...

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101. Resource use by two morphologically similar insectivorous bats (Nycteris thebaica and Hipposideros caffer)

     Item type: Journal Article • Journal: South African Journal of Zoology • Authors: Rauri C. K. Bowie --- Department of Zoology, South Africa David S. Jacobs --- Department of Zoology, South Africa Peter J. Taylor --- Durban Natural Science Museum, South Africa

     Studies of morphologically dissimilar insectivorous bats have lead to the conclusion that morphology is the prime correlate of habitat use, and consequently of diet. This has lead to the prediction that morphologically similar bats should have similar diets. We examined...

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102. 

     The status of Sauromys petrophilus and Chaerephon pumilus (Chiroptera: Molossidae) in the Western Cape Province of South Africa

     Item type: Journal Article • Journal: African Zoology • Authors: David S. Jacobs --- Department of Zoology, South Africa M. Brock Fenton --- Department of Biology, Canada

     Chaerephon pumilus is widespread in tropical and subtropical Africa, with an outlying southern population near the Cape which is based primarily on records of specimens captured at the Algeria Forestry Station (32°22’S, 19°03’E) in South Africa. Sauromys petrophilus, a flat-headed...

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103. 

     A comparison of planting and coppice regeneration of Eucalyptus grandis × Eucalyptus urophylla clones in South Africa

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob W Crous --- Sappi Forests, South Africa Louisa Burger --- Department of Forest and Wood Science, South Africa

     Results from two coppice compared to replant trials are presented that originated from clone by site interaction (CSI) trials established on high‑ and low‑productivity sites in subtropical coastal KwaZulu‑Natal, South Africa. After the 84‑month CSI trial measurements were completed the...

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104. 

     “Giving God his due?” Understanding tithing and its function within the Seventh-Day Adventist Church

     Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Evan Carl Edward Jacobs --- NRF Chair in History Programme: &ldquo;Local Histories and Present Realities,&rdquo;, South Africa

     This paper focuses on the practice of tithing as an extraordinary form of religious giving. Tithing involves habitually giving ten percent of one's income to the church, and since this is such a significant portion of a person's income, its...

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105. 

     The African Union's Agenda 2063: Aspirations, Challenges, and Opportunities for Management Research

     Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kaitlyn DeGhetto --- Department of Management, USA Jacob R. Gray --- Department of Entrepreneurship, Strategy, and Information Systems, USA Moses N. Kiggundu --- Sprott School of Business, Carleton University, Canada

     As Africa emerges, rises, and begins to forge a more positive outlook ahead, scholars, business executives, community leaders, and policymakers are increasingly calling for concerted efforts to rethink the future and come up with big ideas for the 21st century...

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106. 

     Apparent digestibility and microbial protein yield of Desmodium uncinatum, Mucuna pruriens and Vigna unguiculata forage legumes in goats

     Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: Simbarashe Katsande --- Department of Animal Science, School of Agriculture, South Africa Joseph J Baloyi --- Department of Animal Science, School of Agriculture, South Africa Florence V Nherera-Chokuda --- Agricultural Research Council, South Africa Nobbert T Ngongoni --- Faculty of Agriculture, Zimbabwe Gift Matope --- Paraclinical Department of Veterinary Sciences, Zimbabwe Plaxedis I Zvinorova --- Paraclinical Department of Veterinary Sciences, Zimbabwe Jacob Gusha --- Paraclinical Department of Veterinary Sciences, Zimbabwe

     This study examined the effects of adding forage legumes as protein supplements to poor-quality natural pasture (veld) hay offered to goats on microbial protein yield and nitrogen metabolism. Four indigenous Nguni-type goats were used in a 4×4 Latin cross-over design...

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107. 

     Diel movement of smallmouth yellowfish Labeobarbus aeneus in the Vaal River, South Africa

     Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FJ Jacobs --- Kamutjonga Inland Fisheries Institute, Namibia GC O&#039;Brien --- Aquatic Ecosystem Research Group, School of Life Sciences, South Africa NJ Smit --- Water Research Group (Ecology), Unit for Environmental Sciences and Management, South Africa

     Diel movements of Orange–Vaal smallmouth yellowfish Labeobarbus aeneus (Burchell, 1822) in the Vaal River, South Africa, were determined by externally attaching radio transmitters to 11 adult fish and manually tracking them between March and May 2012. Twenty-four radio telemetry monitoring...

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108. 

     The cropping potential of South Africa: land evaluation results obtained during the last 50 years

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Pieter AL Le Roux --- Soil, Crop and Climate Science, South Africa Malcolm Hensley --- Soil, Crop and Climate Science, South Africa Leon D van Rensburg --- University of the Free State, South Africa J Jacobus Botha --- Agricultural Research Council&ndash;Institute for Soil, Climate and Water, Glen Research Institute, South Africa

     Reliable detailed information regarding the crop production potential of a country is necessary for the planning and execution of the proactive activities needed to avoid future food shortages due to increases in population and/or adverse climatic conditions. The land-type survey...

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109. 

     Genetic diversity of bottle gourd (Lagenaria siceraria (Molina) Standl.) landraces of South Africa assessed by morphological traits and simple sequence repeat markers

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacob Mashilo --- Towoomba Research Station, Limpopo Department of Agriculture, South Africa Hussein Shimelis --- African Centre for Crop Improvement, South Africa Alfred Odindo --- Crop Science Discipline, South Africa

     Bottle gourd (Lagenaria siceraria (Molina) Standl.) is an important crop in rural communities in South Africa but it remains under-researched. The objective of this study was to assess the genetic diversity present amongst bottle gourd landraces grown by smallholder farmers...

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110. Sustainable restaurants: A research agenda

     Item type: Journal Article • Journal: • Authors: George Jacobs --- Research Centre Gastronomy in Food Service, Zuyd University of Applied Sciences, Maastricht, The Netherlands Peter Klosse --- Research Centre Gastronomy in Food Service, Zuyd University of Applied Sciences, Maastricht, The Netherlands

     There is growing emphasis on sustainability within the hospitality industry. For restaurants, which are often small businesses, that emphasis is poorly structured and rarely based on scientific evidence. Research is needed into what factors could promote sustainability in restaurants. We...

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111. 

     Household market participation and stunting in preschool children in Lilongwe, Malawi

     Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Al Howard --- Department of Global and Community Health, Mk Komwa --- Department of Environmental Science and Policy, R. Yohane --- Kanengo AIDS Support Organization, Kh Jacobsen --- Department of Global and Community Health,

     Background: Stunting among Malawian preschool children continues to be a concern.

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112. 

     Anti-epileptic prescribing patterns in the South African private health sector (2008–2013)

     Item type: Journal Article • Journal: South African Family Practice • Authors: Karen Jacobs --- Medicine Usage in South Africa, Faculty of Health Sciences, South Africa Marlene Julyan --- Medicine Usage in South Africa, Faculty of Health Sciences, South Africa Martie S Lubbe --- Medicine Usage in South Africa, Faculty of Health Sciences, South Africa Johanita R Burger --- Medicine Usage in South Africa, Faculty of Health Sciences, South Africa Marike Cockeran --- Medicine Usage in South Africa, Faculty of Health Sciences, South Africa

     Background: Little is known about longitudinal prescribing practices for anti-epileptic drugs (AEDs) in South Africa. The prescribing patterns and associated direct medicine costs of AEDs in the private health sector were investigated, using claims data from January 1, 2008 to...

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113. 

     Social networking services: A digital extension of the surveillance state?

     Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Mark Jacob Amiradakis --- Department of Philosophy,

     This paper investigates whether or not corporate social networking services (SNS) possess the potential to act as surveillance tools within contemporary society and, as a corollary, operate as coercive and exploitative technologies for the individuals who employ such devices in...

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114. 

     Entrepreneurial Opportunities and Poverty in Sub-Saharan Africa: A Review & Agenda for the Future

     Item type: Journal Article • Journal: Africa Journal of Management • Authors: Jacob A. L. Vermeire --- Vlerick Business School &amp; Ghent University, Belgium Garry D. Bruton --- Neeley School of Business, China

     Entrepreneurship, with its focus on opportunities, is often seen as one of the cornerstones of poverty alleviation in sub-Saharan Africa (SSA). However, evidence for the positive impact of entrepreneurship programs on poverty is mixed and now widely debated. Therefore, scholars...

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115. 

     Post-laparotomy haemoptysis due to broncho-abdominal fistula caused by retained abdominal surgical swab

     Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Georg EA Jacobs --- Private Practice, South Africa Carl S Buss --- Private Practice, South Africa Ross Hofmeyr --- Department of Anaesthesia and Perioperative Medicine, South Africa

     The case presented describes the migration of a surgical swab across the left hemidiaphragm over four years. The patient had at least two episodes of haemoptysis in that period and was misdiagnosed and treated for Pulmonary Tuberculosis. When the proper...

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116. 

     In pursuit of a South African national soil database: potential and pitfalls of combining different soil data sets

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: George M van Zijl --- University of the Free State, South Africa Jacobus O Botha --- Natural Resources Section, KwaZulu-Natal Department of Agriculture and Rural Development, South Africa

     A national soil profile database will be a huge asset to South Africa, enabling improved soil information products to be created. However, numerous practical pitfalls exist in reliably creating such a database. This project aimed to identify such pitfalls, while...

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117. 

     The interface between toponyms, hydronyms and geography: The case of selected Shona names from three provinces in Zimbabwe

     Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Jacob Mapara --- Institute of Lifelong Learning and Development Studies, Centre for Indigenous Knowledge and Living Heritage, Zimbabwe Godwin Makaudze --- Department of African Languages and Literature, Zimbabwe

     This paper argues that naming has always been a serious activity among the Shona of Zimbabwe. The people have always used names not only to express their emotions, but have also used place names or toponyms to explain cultural activities...

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118. 

     Sustainable restaurants: A research agenda

     Item type: Journal Article • Journal: Research in Hospitality Management • Authors: George Jacobs --- Research Centre Gastronomy in Food Service, The Netherlands Peter Klosse --- Research Centre Gastronomy in Food Service, The Netherlands

     There is growing emphasis on sustainability within the hospitality industry. For restaurants, which are often small businesses, that emphasis is poorly structured and rarely based on scientific evidence. Research is needed into what factors could promote sustainability in restaurants. We...

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119. 

     Health risk assessment of exposure to ambient concentrations of benzene, toluene and xylene in Pretoria West, South Africa

     Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oyewale Mayowa Morakinyo --- Department of Environmental Health, Faculty of Science, South Africa Matlou Ingrid Mokgobu --- Department of Environmental Health, Faculty of Science, South Africa Murembiwa Stanley Mukhola --- Department of Environmental Health, Faculty of Science, South Africa Jacobus Christoffel Engelbrecht --- Department of Environmental Health, Faculty of Science, South Africa

     Benzene, toluene and xylene (BTX) are part of the volatile organic group of pollutants and are seen as international environmental priority air pollutants that can constitute a threat to public health. This study assessed the non-carcinogenic and carcinogenic risks of...

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120. 

     Use of hydrogels in the planting of industrial wood plantations

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob W Crous --- Sappi Forests, South Africa

     The quantity of available water in soil is crucial for plant growth, especially after transplanting as this water will enable the growth of new roots to facilitate nutrient and water uptake. Water absorbed by a hydrogel (superabsorbent polymer) has the...

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121. 

     Increasing crop diversity increased soil microbial activity, nitrogen-sourcing and crop nitrogen, but not soil microbial diversity

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Zander S Venter --- Department of Animal Sciences, South Africa Samantha L Scott --- Plant Conservation Unit, South Africa Johann Strauss --- Directorate-Plant Sciences, Western Cape Department of Agriculture, South Africa Karin Jacobs --- Department of Microbiology, South Africa Heidi-Jayne Hawkins --- Conservation South Africa, Centre for Biodiversity Conservation, Kirstenbosch National Botanical Gardens, South Africa

     The relationships between crop diversity, soil microbial diversity and agroecosystem functioning are not well understood. Soils under wheat monoculture, wheat–medic, and wheat–medic plus clover rotations from a 19-year-old wheat rotation trial in South Africa were measured for soil microbial functional...

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122. 

     Retention of plastic-tipped dart tags in African tigerfish Hydrocynus vittatus

     Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FJ Jacobs --- Ministry of Fisheries and Marine Resources, Namibia OLF Weyl --- DST/NRF Research Chair in Inland Fisheries and Freshwater Ecology, South Africa NS Libala --- Ministry of Fisheries and Marine Resources, Namibia GC O&rsquo;Brien --- School of Life Sciences, South Africa CT Downs --- School of Life Sciences, South Africa

     Estimates of tag retention and tagging-related mortality are essential for mark-recapture experiments. Mortality and tag loss were estimated from 15 tigerfish Hydrocynus vittatus marked using Hallmark model PDL plastic-tipped dart tags released into a 1 730 m2 pond at Kamutjonga...

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123. 

     A practical guide to the interpretation of PK/PD profiles of longer-acting analogue insulins. Part one: The principles of glucose clamp studies

     Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Oppel BW Greeff --- Department of Pharmacology, South Africa Jacob John van Tonder --- Triclinium Clinical Development (Pty) Ltd, South Africa Kershlin Naidu --- Department of Internal Medicine, South Africa Alicia McMaster --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Alet van Tonder --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Rashem Mothilal --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa

     Glucose clamp studies are used to determine pharmacokinetics (PK) and pharmacodynamics (PD) of analogue insulins. With the development of longer-acting basal analogue insulins, including glargine 300 (Gla-300) and insulin degludec (IDeg), results from numerous glucose clamp studies are readily available...

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124. 

     Why suggesting Australian redclaw crayfish Cherax quadricarinatus as biological control agents for snails is a bad idea

     Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OLF Weyl --- DST/NRF Research Chair for Inland Fisheries and Freshwater Ecology, South Africa AL Nunes --- Centre for Invasion Biology, South Africa BR Ellender --- Centre for Invasion Biology, South Africa PSR Weyl --- Center for Agriculture and Biosciences International (CABI), Switzerland AC Chilala --- Ministry of Agriculture, Zambia FJ Jacobs --- Kamutjonga Inland Fisheries Institute, Namibia M Murray-Hudson --- University of Botswana Okavango Research Institute (ORI), Botswana RJ Douthwaite --- Kafue River Trust, Holly Oast, Hode Lane, Bridge, United Kingdom

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125. 

     Exploring the Northern Sotho language name discrepancies in informative documentation and among first language speakers

     Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Tebogo Jacob Rakgogo --- Department of Applied Languages, South Africa Linda van Huyssteen --- Department of Applied Languages, South Africa

     This article is based on a survey that aimed to explore the Northern Sotho language name discrepancies in informative and descriptive documentation and also in general language use. The survey was conducted in two selected South African universities (Tshwane University...

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126. 

     A practical guide to the interpretation of PK/PD profiles of longer-acting analogue insulins. Part two: Insulin degludec vs. insulin glargine U300

     Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Oppel Bw Greeff --- Department of Pharmacology, South Africa Jacob John van Tonder --- Triclinium Clinical Development (Pty) Ltd, South Africa Kershlin Naidu --- Department of Internal Medicine, South Africa Alicia McMaster --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Alet van Tonder --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Rashem Mothilal --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa

     Glucose clamp studies form an integral part of the early development of insulin therapies. Data generated in these studies are used to establish pharmacokinetic (PK) and pharmacodynamic (PD) profiles of the agents, but methodological differences confound comparison of results from...

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127. 

     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 &amp; 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 &amp; Institute for Implementation Science in Population Health, CUNY Graduate School of Public Health and Health Policy, USA

     The 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...

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128. 

     Degradability of amino acids in selected legume forages using the in situ nylon-bag technique

     Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: Simbarashe Katsande --- Department of Animal Science, South Africa Joseph J Baloyi --- Department of Animal Science, South Africa Florence V Nherera-Chokuda --- Agriculture Research Council&ndash;Animal Production and Animal Health, South Africa Nobbert T Ngongoni --- Faculty of Agriculture, Zimbabwe Jacob Gusha --- Department of Paraclinical Veterinary Studies, Zimbabwe Gift Matope --- Department of Paraclinical Veterinary Studies, Zimbabwe Plaxedis I Zvinorova --- Department of Paraclinical Veterinary Studies, Zimbabwe

     This study was conducted to determine the amino acid profiles and rumen degradability of amino acids of three cultivated forage legumes – velvet bean (Mucuna pruriens), cowpea (Vigna unguiculata) and silverleaf desmodium (Desmodium uncinatum) – using the in situ nylon-bag...

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129. 

     The effect of different anaesthetic mask shapes on the anatomical dead space using infant, child and adult part-task trainers

     Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: L Botes --- School of Medicine, South Africa J Jacobs --- School of Medicine, South Africa R Rademeyer --- School of Medicine, South Africa S Van der Merwe --- School of Medicine, South Africa L Van Heerden --- School of Medicine, South Africa BJS Diedericks --- Department of Anaesthesiology, South Africa

     Dead space is the portion of tidal volume that does not participate in alveolar gas exchange. The purpose of this study was to compare the dead space contribution of differently shaped masks, of the same size, by measuring the volume...

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130. 

     Women’s spiritually mediated stories about recovery from Alcohol Use Disorder: A brief report

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liezille Jacobs --- Psychology Department, South Africa

     This study explored women’s lived recovery experiences from alcohol use disorder (AUD) facilitated by Alcoholics Anonymous (AA). The women (n = 10; age range 30–62 years; married = 6) completed life story interviews regarding their recovery from AUD with AA participation. Discourse analysis of...

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131. 

     Web spider abundance is affected by sheep farming in the Karoo

     Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: Joh R Henschel --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Yael Lubin --- Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Israel

     Impacts of livestock farming include effects on arthropods and a range of related ecological processes. Grazing by sheep may indirectly affect web spider populations by changing vegetation structures available for web construction, or directly by trampling the spiders or their...

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132. 

     The composition of the soil seedbank and its role in ecosystem dynamics and rehabilitation potential in the arid Tankwa Karoo Region, South Africa

     Item type: Journal Article • Journal: African Journal of Range &amp; Forage Science • Authors: Manam WB Saaed --- Higher Institute of Agricultural Techniques, Libya Shayne M Jacobs --- Department of Conservation Ecology and Entomology, South Africa Mmoto L Masubelele --- Cape Research Centre, South Africa Igshaan Samuels --- Agricultural Research Council&ndash;Animal Production, c/o Department of Biodiversity and Conservation Biology, South Africa Lesego Khomo --- Department of Environmental Sciences, South Africa Yacoub M El-Barasi --- Botany Department, Faculty of Science, Libya

     Very few soil seedbank studies have been conducted in South Africa, especially in arid rangelands. Insight into the soil seedbank could therefore improve assessment of rangeland dynamics and enhance rehabilitation efforts. This study aimed to characterise the soil seedbanks in...

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133. 

     The occurrence of mycotoxigenic fungi in abalone feed in South Africa

     Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Greeff-Laubscher --- , South Africa I Beukes --- , South Africa GJ Marais --- , South Africa K Jacobs --- , South Africa

     Abalone feed in South Africa is mainly produced from locally sourced grains and has soy or fishmeal as a protein source. Contamination with fungal species associated with grain-based animal feed is, therefore, a predictable risk. Various Fusarium, Penicillium and Aspergillus...

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134. 

     Validation of age-based body mass estimation methods in toddlers and pre-school children

     Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Karin Booysen --- Private Practice, South Africa Johannes Marthinus Dippenaar --- Department of Maxillo-Oral-Facial Surgery, Oral Health Centre, South Africa Francois Jacobus Smith --- Department of Anaesthesiology, South Africa

     Background: Body mass is commonly used to determine medication dosages and equipment size. In emergency situations (including cases necessitating surgery) weighing paediatric patients can be impractical. Clinicians may use any of several body mass estimation techniques to surmount this obstacle...

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135. 

     The behavioural self-regulation strategies of Indian South African university students: An exploratory study

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacob J. P. Le Grange --- School of Psychosocial Health / Community Psychosocial Research (COMPRES), South Africa Karel F. H. Botha --- School of Psychosocial Health / Community Psychosocial Research (COMPRES), South Africa

     This study explored the race-related self-regulation strategies of eight Indian South African university students (females: n = 4) attending a historically white university. Interactive qualitative analysis of their race-related experiences revealed that the students felt that they had been judged...

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136. 

     Variance components and heritability of yield and yield-related traits in tepary bean (Phaseolus acutifolius)

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Zinhle B Mhlaba --- African Centre for Crop Improvement, South Africa Hussein A Shimelis --- African Centre for Crop Improvement, South Africa Beyene Amelework --- African Centre for Crop Improvement, South Africa Albert T Modi --- School of Agricultural, Earth and Environmental Sciences, Discipline of Crop Science, South Africa Jacob Mashilo --- African Centre for Crop Improvement, South Africa

     The extent of variance and heritability of traits influence the response to selection in crop breeding programs. The objective of this study was to determine variance components and heritability in tepary bean (Phaseolus acutifolius A.Gray) populations to identify promising genotypes...

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137. 

     Gender-sensitive training for substance use disorder treatment: Results and implications of a pilot health professionals needs assessment

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liezille Jacobs --- Psychology Department, South Africa

     This study explored mental health practitioner training needs in gender-sensitive substance use disorder (SUD) counselling genderqueer populations. Informants were health professionals in SUD practices and from the Eastern Cape, South Africa (females = 75%; black = 90%, 10% = white,...

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138. 

     Using career counselling with group life design principles to improve the employability of disadvantaged young adults

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- Department of Educational Psychology, South Africa Erna W. Gerryts --- Department of Educational Psychology, South Africa Lizelle Fletcher --- Department of Statistics, South Africa Joyce Olivier --- Department of Statistics, South Africa

     This article explores the effects of group life design counselling on unemployed young adults’ career adaptability skills. Purposive and criterion sampling were used to select 62 participants involved in a skills programme (mean age = 24.86 years, SD = 6.38...

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139. 

     A constitutional language name, lost in translation and its impact on the identity of the first language speakers

     Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Tebogo Jacob Rakgogo --- Department of Applied Languages, Faculty of Humanities, South Africa Linda van Huyssteen --- Department of Applied Languages, Faculty of Humanities, South Africa

     The primary aim of the study is to explore the Sepedi language name that got lost during the translation of the English version of the Final Constitution of the Republic of South Africa into the other ten official languages of...

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140. 

     Habermas, mass communication technology and the future of the public sphere

     Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Mark Jacob Amiradakis --- Department of Philosophy,

     This paper focuses on Habermas’s analysis of the bourgeois public sphere and its inextricable relationship to mass communication technology – particularly in relation to his pioneering work, The Structural Transformation of the Public Sphere. Within this investigation, it will be...

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141. 

     Genotype-by-environment interaction of grain yield among candidate dryland wheat genotypes

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Miriam Matlala --- African Centre for Crop Improvement, South Africa Hussein Shimelis --- African Centre for Crop Improvement, South Africa Jacob Mashilo --- African Centre for Crop Improvement, South Africa

     Genotype-by-environment interaction (GEI) analysis is an essential step to identify superior and stable yielding genotypes and suitable test environments for cultivar development. The objective of the present study was to examine GEI of grain yield among candidate dryland wheat genotypes...

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142. 

     Winter site use by Afro-Palearctic migrants in Ghana: site persistence and densities of Willow Warbler, Pied Flycatcher, Melodious Warbler and Common Redstart

     Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kasper Thorup --- Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Denmark Iben Hove S&oslash;rensen --- DOF BirdLife Denmark, Denmark Mikkel Willemoes --- Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Denmark Mathilde Lerche-J&oslash;rgensen --- Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Denmark Jon Fjelds&aring; --- Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Denmark Anders P T&oslash;ttrup --- Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Denmark Erik Mandrup Jacobsen --- DOF BirdLife Denmark, Denmark Andrew H Reeve --- Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Denmark Robert Oteng-Appau --- Ghana Wildlife Society, Ghana Augustus Asamoah --- Ghana Wildlife Society, Ghana Thomas Lehmberg --- DOF BirdLife Denmark, Denmark

     Little is known about the variation within and among species of long-distance migrants in behavioural strategies and habitat choice on their non-breeding grounds. We report results from regular ringing operations carried out during the winter seasons 2009–2013 and transect counts...

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143. 

     The influence of species, tree improvement and cultural practices on rotation-end fibre production of Eucalyptus pulpwood plantations in South Africa

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob Crous --- Sappi Forests, South Africa Giovanni Sale --- Sappi Forests, South Africa Thimagren Naidoo --- Sappi Forests, South Africa

     To remain competitive on a global scale it is necessary for forestry companies to increase the yield per hectare and work towards reducing the unit cost of timber. A three-trial series with a 24 factorial design and two replications at...

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144. 

     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 Africa

     This 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...

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145. 

     “Inbox me, please”: Analysing comments on anonymous Facebook posts about depression and suicide

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lane Tao --- Department of Psychology, South Africa Liezille Jacobs --- Department of Psychology, South Africa

     This study explored Facebook posts for receptive disclosure and discussion of depression and suicidality among contributors. We utilised an existing data set of Facebook commentary from 445 comments made on 156 anonymous Facebook posts. A Chi-square analysis revealed that Facebook...

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146. 

     Psychosocial management of depression in adolescent learners: Results and implications of a Nigerian study

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Precious Chibuike Chukwuere --- School of Nursing Science, Faculty of Health Sciences, South Africa Abel Jacobus Pienaar --- Faculty of Nursing, Leepile Alfred Sehularo --- School of Nursing Science, Faculty of Health Sciences, South Africa

     This study explored the perceptions of adolescent learners, teachers, and parents on the psychosocial management of adolescent depression in a district of Lagos State, Nigeria. Data were collected from 24 participants (10 adolescent learners, 6 teachers, 2 principals, and 6...

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147. 

     Testing a structural model for study demands and resources, study engagement and well-being of first-year university students

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Khumbudzo Luruli --- , South Africa Karina Mostert --- , South Africa Melissa Jacobs --- , South Africa

     This study investigated the relationships between study demands, study resources, engagement, and subjective well-being (including social-, emotional- and psychological well-being) for first-year university students. The students (n = 773; females = 65.7%; black = 60.7%; mean age = 20.24, SD...

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148. 

     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 --- , USA

     HIV 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...

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149. 

     Guidelines for promoting organisational resilience in South African schools

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner de Klerk --- , South Africa Jacob J.P. le Grange --- , South Africa Monique de Klerk --- , South Africa Jen&eacute; Pretorius --- , South Africa

     Sustaining educator resilience is increasingly important in transitional societies which have a higher risk for dysfunction from coping with adjustments to emerging organisational practices with no local precedent. This would be the case for South African schools that have weathered...

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150. 

     Natural hair chronicles of black female vloggers: Influences on their psychological well-being

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liezille Jacobs --- , South Africa Anelisa Kelemi --- , South Africa

     This study explored how hair texture chronicles in a post-colonial country is influenced by psychological well-being and a sense of self in women. Our informants were 10 female, black, South African YouTube vloggers, with Afro-textured, frizzy, natural hair. The participants...

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151. 

     Describing sexual dimorphism and fine scale spatial distributions in the Drab Thick-tail Scorpion, Parabuthus planicauda

     Item type: Journal Article • Journal: African Zoology • Authors: Jacobus H Visser --- , South Africa Sjirk Geerts --- , South Africa

     Southern Africa contains a diverse and endemic scorpion fauna, but with biological aspects remaining largely unexplored for this group. In order to gain biological insights into an understudied scorpion species, the current study investigates fine-scale spatial distributions and sexual dimorphism...

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152. 

     Genetic differentiation of selected drought and heat tolerant wheat genotypes using simple sequence repeat markers and agronomic traits

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sonto Silindile Mkhabela --- , South Africa Hussein Shimelis --- , South Africa Jacob Mashilo --- , South Africa

     Development of wheat (Triticum aestivum L.) varieties with increased yield potentials that are adapted to drought and heat stresses requires genetically differentiated and complementary parents. The present study established genetic profiles of heat and drought tolerant wheat genotypes through SSR...

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153. 

     Perceptual systems of the self-management of students living with diabetes mellitus: an IQA approach

     Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: JKD Jacobs --- , South Africa WD Basson [cor1] MJ Basson --- , South Africa

     Introduction: Diabetes mellitus (DM) is a chronic metabolic disease defined by elevated blood glucose levels over a long period of time. One in 10 people are living with DM.

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154. 

     Tarantulas (Araneae: Theraphosidae) in the pet trade in South Africa

     Item type: Journal Article • Journal: African Zoology • Authors: Tinyiko C Shivambu --- , South Africa Ndivhuwo Shivambu --- , South Africa Robin Lyle --- , South Africa Adriaana Jacobs --- , South Africa Sabrina Kumschick --- , South Africa Stefan H Foord --- , South Africa Mark P Robertson --- , South Africa

     Many alien species have been introduced around the world as part of the pet trade, and some have escaped captivity and become invasive. In South Africa, many species of tarantula (Theraphosidae) are kept as pets. It is not known which...

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155. 

     Will Africapitalism work?

     Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Adegbite --- , UK Olabisi Daodu --- , UK Jacob Wood --- , Singapore

     Africapitalism suggests a refined capitalist system aimed at achieving collective good unlike the shareholder value maximization model of Anglo-American capitalism. It emphasizes the obligations of the private sector in Africa to pursue socio-economic development. Despite these proposed benefits, this paper...

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156. 

     Status update of the endemic and critically endangered cave catfish Clarias cavernicola Trewavas 1936, from the Aigamas Cave system, Namibia

     Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FJ Jacobs --- , Namibia PG Jacobs --- , CJ Hay --- , Namibia TF Naesje --- , Norway

     Knowledge of population sizes of threatened fish species is essential for formulation and implementation of effective conservation and management policies. Visual counts (VC) from two SCUBA diving expeditions during February and May 2019 were used to estimate the population size...

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157. 

     Developing a satellite-based frost risk model for the Southern African commercial forestry landscape

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Riyad Ismail --- , South Africa Jacob Crous --- , South Africa Giovanni Sale --- , South Africa Andrew Morris --- , South Africa Kabir Peerbhay --- , South Africa

     Frost is a sporadic meteorological event affecting the productivity of commercial forests in South Africa. Severe frost occurrences may cause irreversible damage to forest stands, slowing down tree growth or leading to tree mortality. Using the Moderate Imaging Spectrometer (spatial...

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158. 

     Tier 2 above-ground biomass expansion functions for South African plantation forests

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Steven Dovey --- , South Africa Ben du Toit --- , South Africa Jacob Crous --- , South Africa

     Carbon stocks estimated for greenhouse gas emission reporting in South African plantation forests require improvement for local relevance. We developed biomass expansion and conversion factor (BECF) models to convert enumeration data to above-ground biomass (AGB) for major genera. Local biomass...

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159. 

     Species-specific or assemblage-wide decline? The case of Arthroleptides dutoiti Loveridge, 1935 and the amphibian assemblage of Mount Elgon, Kenya

     Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jacob M Ngwava --- National Museums of Kenya, Kenya Christopher D Barratt --- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Germany Elizabeth Boakes --- University College London, United Kingdom Beryl A Bwong --- National Museums of Kenya, Kenya Alan Channing --- North-West University, South Africa Olivia Couchman --- Zoological Society of London, United Kingdom Stefan L&ouml;tters --- Trier University, Germany Patrick K Malonza --- National Museums of Kenya, Kenya Vincent Muchai --- National Museums of Kenya, Kenya Julius K Nguku --- National Museums of Kenya, Kenya Joash Nyamache --- National Museums of Kenya, Kenya Nisha Owen --- On the EDGE Conservation, United Kingdom Victor Wasonga --- National Museums of Kenya, Kenya Simon P Loader --- Natural History Museum, United Kingdom

     The frog Arthroleptides dutoiti Loveridge, 1935, endemic to Mount Elgon, East Africa was last collected in 1962 and has not been observed since. The species is regarded as Critically Endangered by the IUCN Red List and is a priority species...

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160. 

     Long-term wheat production management effects on soil fertility indicators in the semi-arid eastern Free State, South Africa

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Palo Francis Loke --- , South Africa Johannes Jacobus Schimper --- , South Africa Elmarie Kotz&eacute; --- , South Africa Christiaan Cornelius du Preez --- , South Africa

     This study evaluated temporal effects of wheat production management practices on soil fertility under semi-arid conditions. Treatments applied for 37 years included straw management (unburned and burned), tillage practices (no-tillage, stubble mulch, and mouldboard ploughing) and weed control methods (chemical...

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161. 

     Auto insurance premiums in Ghana: An Autoregressive Distributed Lag model approach to risk exposure variables

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacob Azaare --- , China Zhao Wu --- , China Bernard Gumah --- , China Enock Mintah Ampaw --- , Ghana Socrates Modzi Kwadwo --- , Germany

     This study examined risk exposure and auto insurance premium determinants in Ghana. We analysed an existing data set of 23 434 policies (without claims = 84.1%, policies with claims = 15.9%; comprehensive policies = 48.0%, third-party policies = 52.0%) applying...

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162. 

     Avian diversity in Moka, Bioko Island, Equatorial Guinea

     Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Christina D Perella --- , United States Jacob R Owens --- , United States Drew T Cronin --- , United States

     Bioko Island, Equatorial Guinea is a biodiversity hotspot facing encroaching development, logging, and hunting. Long-term monitoring of the species composition and community structure of birds on Bioko allows for a better understanding of the effects of seasonality, anthropogenic development, and...

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163. 

     Is Khelobedu a language or a dialect?

     Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Tebogo Jacob Rakgogo --- , South Africa Itani Peter Mandende --- , South Africa

     The primary aim of this article is to investigate whether Khelobedu should be considered a language in its own right or whether it has correctly been classified as one of the dialects of Sepedi, referred to in Section 6(1) of...

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164. 

     Evidence for overfishing of tigerfish Hydrocynus vittatus (Castelnau 1861) in the Kavango River, Namibia

     Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FJ Jacobs --- , Namibia TF Naesje --- , Norway EM Ulvan --- , Norway CJ Hay --- , Namibia FH Khaebeb --- , Namibia OLF Weyl --- , South Africa

     The fishery for the African tigerfish Hydrocynus vittatus in northern Namibia makes a substantial contribution to surrounding food security and stimulates the local economy through subsistence and recreational fishing. However, local fishers suggest that catch rates of H. vittatus have...

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165. 

     Institutions and training: A case of social franchising in Africa

     Item type: Journal Article • Journal: Africa Journal of Management • Authors: Judith Jacob Iddy --- University of Agder, Norway Ilan Alon --- University of Agder, Norway Benjamin C. Litalien --- School of Undergraduate Studies, University Blvd East, USA

     The purpose of this paper is to explore two questions: how do institutions affect knowledge transfer in social franchises in Africa, and does training help social franchises respond to these challenges? Despite advances in the knowledge management literature, our understanding...

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166. 

     Determination of foliar nutrient sufficiency ranges in cultivated rooibos tea using the boundary-line approach

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacobus FN Smith --- , South Africa Ailsa G Hardie --- , South Africa

     Despite the global importance of rooibos tea (Aspalathus linearis (Burm.f.) R.Dahlgren) as a health-promoting crop, foliar nutrient sufficiency ranges have not yet been determined for commercially cultivated rooibos. Determination of these ranges is critical for assessing plant nutrient status and...

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167. 

     “I didn’t support PrEP because I didn’t know what it was”: Inadequate information undermines male partner support for young women’s pre-exposure prophylaxis use in western Kenya

     Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kawango Agot --- , Kenya Miriam Hartmann --- , USA Sophie Otticha --- , Kenya Alexandra Minnis --- , USA Jacob Onyango --- , Kenya Marylyn Ochillo --- , Kenya Sarah T Roberts --- , USA

     The HIV infection rate is higher among adolescent girls and young women (AGYW) in Africa than men in the same age range. Pre-exposure prophylaxis (PrEP) can be used by women discreetly; however, for most AGYW, male partner approval is desired...

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168. 

     Long-term effects of micro-fine and class A calcitic lime application rates on soil acidity and rooibos tea yields under Clanwilliam field conditions

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacobus FN Smith --- , South Africa Ailsa G Hardie --- , South Africa

     Previous research on the effect of soil liming on rooibos tea growth was limited to short-term greenhouse trials. This is the first long-term field study to investigate the effect of lime application on rooibos tea production. Micro-fine and class A...

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169. 

     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 Africa

     A 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)...

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170. 

     Resources and infrastructure for the delivery of antiretroviral therapy at primary health care facilities in the Free State Province, South Africa

     Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Ega Janse van Rensburg-Bonthuyzen --- Centre for Health Systems Research and Development, University of the Free State, Michelle Engelbrecht --- Centre for Health Systems Research and Development, University of the Free State, Francois Steyn --- Centre for Health Systems Research and Development, University of the Free State, Nandi Jacobs --- Centre for Health Systems Research and Development, University of the Free State, Helen Schneider --- Centre for Health Policy, University of Witwatersrand, Dingie van Rensburg --- Centre for Health Policy, University of Witwatersrand,

     There are concerns as to whether South Africa's public health system has sufficient resources, human and otherwise, to ensure universal access to antiretroviral treatment (ART). We report on public sector implementation of the Comprehensive Care Management and Treatment (CCMT) programme...

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171. 

     Trends in HIV risk behaviour of incoming first-year students at a South African university: 2007–2012

     Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: R&eacute;nette J. Blignaut --- , , South Africa Joachim Jacobs --- , South Africa Tania Vergnani --- , South Africa

     The aim of the research on which this article is based was to understand the behavioural changes of the target student population over time to ensure that future prevention programmes are more effective in changing behaviour. This study reports on...

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172. 

     A weighted bootstrap approach to logistic regression modelling in identifying risk behaviours associated with sexual activity

     Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Humphrey Brydon --- , , South Africa R&eacute;nette Blignaut --- , , South Africa Joachim Jacobs --- , , South Africa

     The latest population estimates released by Statistics South Africa indicate that 25.03% of all deaths in 2017 in South Africa were AIDS-related. Along with these results, it is also reported that 7.06% of the population were living with HIV, with...

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173. SOME NOTES ON THE BIOLOGY AND BEHAVIOUR OF THE TRANSVAAL GIRDLED LIZARD (CORDYLUS VITTIFER) IN CAPTIVITY

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H. G. JACOBSEN

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174. COLLOQUIAL NAMES FOR SOUTHERN AFRICAN REPTILES AND AMPHIBIANS

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: NIELS JACOBSEN --- ,

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175. HERPETOLOGY AND DEPARTMENTS OF NATURE CONSERVATION

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H.G. JACOBSEN --- ,

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176. CAVERNICOLOUS AMPHIBIANS

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H. G. JACOBSEN --- , RSA

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177. GROWTH OF PUFF ADDERS (BITIS ARIETANS) IN CAPTIVITY

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H.G. JACOBSEN --- ,

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178. LIFE HISTORY NOTES

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: D. CREIGHTON --- , G. HAAGNER --- , G. HAAGNER --- , G. HAAGNER --- , G. HAAGNER --- , G. HAAGNER --- , G. HAAGNER --- , N. H.G. JACOBSEN --- , N. H.G. JACOBSEN --- ,

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179. NOTES ON REPRODUCTION IN ICHNOTROPIS SQUAMULOSA AND INTERSPECIFIC COMPETITION WITH I. CAPENSIS (REPTILIA, LACERTIDAE) IN THE TRANSVAAL

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H.G. Jacobsen --- , R.S.A.

     The staggered life cycles of I. squamulosa and the related species I. capensis are ascribed by Broadley (1979) to avoidance of competition. This paper dicusses this theory in the light of size, temporal and spatial distribution of the two species...

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180. A PROVISIONAL AND ANNOTATED CHECKLIST OF THE HERPETOFAUNA OF SOUTHERN AFRICA

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: W.R. BRANCH --- , E. H. W. BAARD --- Jonkershoek Research Station, W.D. HAACKE --- , N. JACOBSEN --- , J.C. POYNTON --- University of Natal, D.G. BROADLEY --- , Zimbabwe

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181. GEOGRAPHICAL DISTRIBUTION

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: D.G. BROADLEY --- , Zimbabwe N. H. G. JACOBSEN --- , South Africa W.D. HAACKE --- , South Africa M.F. BATES --- , M.F. BATES --- , M.F. BATES --- , N. H. G. JACOBSEN --- , South Africa N. H.G. JACOBSEN --- , South Africa R.E. NEWBERY --- , South Africa

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182. THE GENUS PLATYSAURUS A. SMITH 1844 IN THE TRANSVAAL

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H. G. JACOBSEN --- , R.E. NEWBERY --- ,

     Transvaal flat lizards of the genus Platysaurus are re-appraised following a greater sample size and improved coverage of the region. This enabled a more detailed analysis of the morphological characters utilized by previous researchers. Five species with thirteen taxa are...

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183. CHROMOSOMAL STUDIES OF RELATIONSHIPS IN GEKKONIDAE, CHAMAELEONIDAE AND SCINCIDAE IN SOUTH AFRICA

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: D.H. GORDON --- , W.D. HAACKE --- , N. H. G. JACOBSEN --- ,

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184. GEOGRAPHICAL DISTRIBUTION

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: W.D. HAACKE --- , N. H. G. JACOBSEN --- , G.V. HAAGNER --- , South Africa E. H. W. BAARD --- Jonkershoek Nature Conservation Station, A. SCOTT --- De Hoop Nature Reserve, RICHARDC. BOYCOTT --- Malolotja Nature Reserve, Swaziland A.M. BAUER --- Villanova University, U.S.A RICHARDC. BOYCOTT --- Malolotja Nature Reserve, Swaziland HAROLDH. BRAACK --- Karoo National Park, RICHARDC. BOYCOTT --- Malolotja Nature Reserve, Swaziland WILLIAMR. BRANCH --- ,

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185. FLAT GECKOS (GENUS AFROEDURA) IN THE TRANSVAAL

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: NIELS H. G. JACOBSEN --- ,

     Recent surveys of the Transvaal have uncovered numerous new populations of flat geckos (Afroedura) that do not fit easily into existing taxonomic arrangements of the A. pondolia group. This complex exhibits considerable variation in the presence or absence of internasal(s)...

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186. THE STATUS OF AGAMA ACULEATA ARMATA PETERS 1854, (REPTILIA: AGAMIDAE)

     Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: N. H. G. Jacobsen --- ,

     Analysis of 591 small ground agamas of the Agama aculeata complex in the Transvaal and adjacent regions, reveals that two taxa can be distinguished by gular pattern. An examination of photographic slides of the type series of Agama armata Peters...

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187. 

     Book review

     Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Niels H.G. Jacobsen --- , Rep. of South Africa

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188. 

     A new species of Panaspis Cope (Reptilia: Scincidae) from southern Africa

     Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Niels H.G. Jacobsen --- , South Africa DonaldG. Broadley --- , Zimbabwe

     The genus Panaspis in southern Africa is reviewed and a new species, P. maculicollis is described. This species differs from P wahlbergii (A. Smith) in lacking a white ventrolateral stripe, while breeding males have a black patch on the neck...

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189. 

     Observations on the breeding behaviour of the Taita dwarf toad Mertensophryne taitana on Mt. Mbololo, Taita Hills, Kenya

     Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jacob Mueti Ngwava --- National Museums of Kenya, PatrickK. Malonza --- South African National Biodiversity Institute, South Africa G. JohnMeasey --- National Museums of Kenya,

     Very little life‐history information is available regarding the 13 species of earless dwarf toads from the genus Mertensophryne. We report our observations on the breeding behaviour of M. taitana from Mount Mbololo in the Taita Hills, Kenya. Empirical data from...

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190. 

     Early infant male circumcision: Potential for changing adverse gender norms associated with traditional male circumcision among circumcising communities in Kenya

     Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jacob Onyango --- , Kenya Marylyn Ochillo --- , Kenya Eunice Omanga --- , Kenya Ohaga Spala --- , Kenya Gift-Noelle Wango --- , Kenya Edwin Lwanya --- , Kenya Kawango Agot --- , Kenya

     Introduction: Traditional male circumcision (TMC) inculcates masculine-dominance norms in young men. Early infant male circumcision (EIMC) and medical male circumcision (MMC) can potentially minimise these adverse gender norms. We explored the perceptions about EIMC and MMC among communities practising TMC...

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191. 

     A case of hyponatraemia secondary to vitamin D deficiency

     Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: LS Greenstein --- Helen Joseph Hospital, South Africa R Daya --- Helen Joseph Hospital, South Africa D Jacob --- Helen Joseph Hospital, South Africa Z Bayat --- Helen Joseph Hospital, South Africa

     Hyponatraemia and Vitamin D deficiency are common conditions in older adults. Both conditions cause bone fragility and gait abnormalities, which are risk factors for falls and poor health outcomes in older adults. Vitamin D deficiency is a risk factor for...

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192. 

     Work engagement mediation of job security, job embeddedness, and turnover intention within the South African mining sector

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Janet Joubert --- North-West University, South Africa Melissa Jacobs --- North-West University, South Africa Leon T. De Beer --- North-West University, South Africa

     The study investigated the role of work engagement in the relationships between job security, job embeddedness, and turnover intention within the South African mining sector. Mining employees who work on the surface (n = 203; males = 53%; females =...

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193. 

     Empowering women in South African law enforcement: Developing authenticity as best-self

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rochelle Jacobs --- University of South Africa, South Africa Antoni Barnard --- University of South Africa, South Africa

     This hermeneutic phenomenological study explored the authenticity experiences of South African women in law enforcement from a best-self perspective. Narrative interviews were conducted with 12 women from police and traffic services, aged between 26 and 55 (25% black, 58% mixed...

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194. 

     Predictive modelling to determine the attainable moisture content of Alstonia boonei wood using a solar kiln dryer

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Joy Aduralere Ogunsuyi --- Federal University of Technology Akure (FUTA), Nigeria Jacob Mayowa Owoyemi --- Federal University of Technology Akure (FUTA), Nigeria Olusola Samuel Makinde --- Federal University of Technology Akure (FUTA), Nigeria

     Modelling of wood drying is important for predicting the performance and efficiency of solar dryers and to optimise the drying process during each season of the year. The attainable moisture content (MC) of Alstonia boonei wood was studied when dried...

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195. 

     The relevance of first-generation Critical Theory in the digital era of new social media

     Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Mark Jacob Amiradakis --- University of the Free State, South Africa

     Is the first generation of Critical Theory still relevant to an analysis of the technocentric nature of contemporary society – particularly its digitally based mediums of interaction and communication? This paper will argue that it is. This will be achieved...

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196. 

     Determination of optimal soil pH and nutrient concentrations for cultivated rooibos tea using the boundary line approach

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacobus FN Smith --- Stellenbosch University, South Africa Ailsa G Hardie --- Stellenbosch University, South Africa

     Optimal soil pH and nutrient conditions for rooibos cultivation in South Africa have not yet been established as limited field research has been conducted. Soil chemical (0–300 mm) and yield data were collected from 120 commercial rooibos plantations in the main...

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197. 

     Further insights into killer whales Orcinus orca preying on white sharks Carcharodon carcharias in South Africa

     Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Towner --- Rhodes University, South Africa P Micarelli --- University of Siena, Italy D Hurwitz --- , South Africa MJ Smale --- Nelson Mandela University, South Africa AJ Booth --- Rhodes University, South Africa C Stopforth --- , South Africa E Jacobs --- , South Africa FR Reinero --- Sharks Studies Centre &ndash; Scientific Institute, Italy V Ricci --- Sharks Studies Centre &ndash; Scientific Institute, Italy A Di Bari --- Sharks Studies Centre &ndash; Scientific Institute, Italy S Gavazzi --- Sharks Studies Centre &ndash; Scientific Institute, Italy G Carugno --- Sharks Studies Centre &ndash; Scientific Institute, Italy M Mahrer --- Claremont McKenna College, United States E Gennari --- Rhodes University, South Africa

     Photography and video footage, captured by researchers and tourists on board two vessels, provided insights into the predation techniques employed by an adult male killer whale Orcinus orca in Mossel Bay, South Africa. The incapacitation of its prey, a juvenile...

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198. 

     Effects of land-use change on the provisioning ecosystem service of wetlands: the case of a social-ecological systems perspective of Boyo Wetland in Ethiopia

     Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Tuji --- Stellenbosch University, South Africa S.M. Jacobs --- Stellenbosch University, South Africa R.R. Malgas --- Stellenbosch University, South Africa K Dzama --- Stellenbosch University, South Africa T Alamirew --- Addis Ababa University, Ethiopia

     Wetlands are catchment life support systems with diverse ecological and socio-economic functions. They have played a significant role in the growth of African human civilisations and cultural development, and today contribute billions of US dollars’ worth of ecosystem services to...

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199. 

     Integrating “old” truths and “new” evidence to address people's evolving career counselling needs

     Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, South Africa

     The article examines the link between career counselling waves, helping models, theoretical foundations, and interventions. An adapted qualitative systematic literature review was conducted to facilitate examination of people's evolving career counselling needs during changes in the workplace with a view...

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200. 

     Current practices and challenges of registered dietitians in the nutritional management of children with cerebral palsy in South Africa

     Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Deborah Jacobson --- Stellenbosch University, South Africa Evette van Niekerk --- Stellenbosch University, South Africa Maritha Marais --- Stellenbosch University, South Africa

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201. 

     Fubini’s theorem for a vector-valued Daniell integral

     Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jacobus J. Grobler --- North-West University, South Africa

     We define the product integral for two Riesz space-valued Daniell integrals and prove Fubini’s theorem establishing the relation between product integrals and iterated integrals. The properties of the Fremlin tensor product of two Archimedean Riesz spaces enable one to do...

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202. 

     The potential predators of pancake tortoises (Malacochersus tornieri) in Kenya

     Item type: Journal Article • Journal: African Zoology • Authors: Jacob Mueti Ngwava --- Hainan Normal University, China Fanrong Xiao --- Hainan Normal University, China Patrick Kinyatta Malonza --- , Kenya Beryl Akoth Bwong --- , Kenya Hai-Tao Shi --- Hainan Normal University, China

     Studying the interactions between prey and predators is crucial for understanding the intricacies of predator-prey dynamics and for formulating effective conservation strategies. Yet there is almost no systematic analysis of pancake tortoise predation, and its consequences on the tortoise populations...

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203. 

     Phenotypic variation and association of agronomic traits in tepary bean genotypes under drought-stress and non-stress conditions

     Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Saul Eric Mwale --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Hussein Shimelis --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Wilson Nkhata --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Abel Sefasi --- Lilongwe University of Agriculture and Natural Resources, Malawi Isaac Fandika --- Kasinthula Agricultural Research Station, Malawi Jacob Mashilo --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa

     Genetic variation for economic traits associated with drought adaptation is a prerequisite for developing climate-smart crop varieties, including tepary bean (Phaseolus acutifolius A. Gray). This study aimed to assess the magnitude of genetic variation and the relationship of agronomic traits...

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204. 

     Biometry, hatching efficiency, growth performance and survival of the brine shrimp Artemia franciscana from Tanzania

     Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AT Jacob --- Sokoine University of Agriculture, Tanzania IB Kapinga --- , Tanzania AP Mwijage --- Tanzania Fisheries Research Institute (TAFIRI), Tanzania A Luvanga --- Tanzania Fisheries Research Institute (TAFIRI), Tanzania A Mremi --- , Tanzania C Sekadende --- Tanzania Fisheries Research Institute, Tanzania SS Shaban --- Tanzania Fisheries Research Institute, Tanzania HA Lamtane --- Sokoine University of Agriculture, Tanzania AB Matondo --- College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Tanzania

     This study determined the biometry, hatchability and growth performance of a strain of the brine shrimp Artemia franciscana, a species now widely introduced globally, obtained from salt farms in the Tanga Region, Tanzania. The cysts were collected from salt pans...

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205. 

     Saving for a rainy day: piloting a savings intervention to reduce HIV risk among young female sex workers in Kenya

     Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Linet Achieng&#039; Ochieng&#039; --- Impact Research and Development Organization, Kenya Jacob Onyango --- Impact Research and Development Organization, Kenya Gerald Ochieng&#039; Owuor --- Impact Research and Development Organization, Kenya Ivy Obare --- Impact Research and Development Organization, Kenya Marylyn Ochillo --- Impact Research and Development Organization, Kenya Tobias Odwar --- Impact Research and Development Organization, Kenya Elizabeth Bukusi --- Kenya Medical Research Institute, Kenya Kawango Agot --- Impact Research and Development Organization, Kenya

     Financial insecurity pushes female sex workers into risky sexual transactions. We piloted an economic empowerment intervention among female sex workers in Kenya to test if they could save part of their income from which to make withdrawals to avoid risky...

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206. 

     Health promotion messaging reduces HIV risk behaviours and improves repeat testing among adolescent girls and young women in Kenya

     Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marylyn Ochillo --- Impact Research and Development Organization, Kenya Risper Bosire --- Impact Research and Development Organization, Kenya Nicky Okeyo --- Impact Research and Development Organization, Kenya Jacob Onyango --- Impact Research and Development Organization, Kenya Kawango Agot --- Impact Research and Development Organization, Kenya Nok Chhun --- University of Washington, USA Samwel Rao --- Impact Research and Development Organization, Kenya Ann Kurth --- The New York Academy of Medicine (NYAM), USA Irene Inwani --- University of Nairobi, Kenya

     Adolescents and young people in sub-Saharan Africa account for about a third of persons newly diagnosed with HIV. Health communication, through mobile health (mHealth) can improve access to sexual and reproductive health information, health services and reduce risky sexual behaviours...

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207. 

     13. “If you drink alcohol, drink sensibly.” Is this guideline still appropriate?

     Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Jacobs L [cor1] Steyn NP --- Centre for the Study of Social and Environmental Determinants of Nutrition Population Health, Health Systems and Innovation; Human Sciences Research Council,

     Background: Alcohol abuse remains one of the most serious substance abuse disorders in South African society, resulting in inordinately large social, economic and health problems at all levels of society. Alcohol consumers in South Africa are estimated to drink 16.6...

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208. 

     Refinement of a site classification system for South African plantation forestry using regionally downscaled climate model input

     Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Steven Dovey --- Scion (NZ Forest Research Institute Ltd), New Zealand Jacob Crous --- Sappi Shaw Research Centre, South Africa Yolandi Ernst --- Global Change Institute, University of the Witwatersrand, South Africa

     Deemed a climate change hotspot, southern Africa is already experiencing increasing average temperatures associated with extreme weather events, such as drought and flooding. Climate change has already induced many weather and climate extremes in South Africa, and these are likely...

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209. 

     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 Africa

     High 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,...

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210. 

     Persistent hyperlactataemia: a case report of Mauriac syndrome at Chris Hani Baragwanath Academic Hospital, South Africa

     Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: J Jacob --- Charlotte Maxeke Johannesburg Academic Hospital, South Africa L Mafokwana --- Wits Donald Gordon Medical Centre, South Africa S Alekar --- Chris Hani Baragwanath Academic Hospital, University of the Witwatersrand, South Africa

     Mauriac syndrome is a rare and potentially reversible complication of poorly controlled type 1 diabetes mellitus. This case report details the presentation of a patient at Chris Hani Baragwanath Academic Hospital, South Africa, who, over 8 years, presented with clinical...

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