Articles by Author: Corn Eacute Du Plessis

Search results for Corn Eacute Du Plessis

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  1. Play as dynamic movement in an assemblage: A novel approach to the concept of “play”

    Play as dynamic movement in an assemblage: A novel approach to the concept of “play”

    Item type: Journal Article • Journal: South African Journal of Philosophy
    As Johan Huizinga argued in Homo Ludens, “play” has not only been part of all human societies throughout history, it has also contributed to the development of numerous cultural, social and political activities, including structured games and sports, certain judicial...
  2. Subverting utilitarian subject-object relations in video games: A philosophical analysis of Thatgamecompany’s <em>Journey</em>

    Subverting utilitarian subject-object relations in video games: A philosophical analysis of Thatgamecompany’s <em>Journey</em>

    Item type: Journal Article • Journal: South African Journal of Philosophy
    In this article, I analyse the self-other relations that underpin the gameplay design of the majority of popular video games. Specifically, these self-other relations can be described as “utilitarian subject-object relations”, in which the player assumes the perspective of the...
  3. Die invloed van verskillende waterregimes op Up-to-date aartappels I. Vegetatiewe ontwikkeling, fotosintesetempo en stomatadiffusieweerstand

    Die invloed van verskillende waterregimes op Up-to-date aartappels I. Vegetatiewe ontwikkeling, fotosintesetempo en stomatadiffusieweerstand

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Drie grondwaterregimes (20, 50 en 70% onttrekking van plantbeskikbare water) is gedurende herfsaanplan- tings in 1987 en 1988 op Up-to-date aartappels toegepas om die invloed daarvan op groei en ontwikkeling te ondersoek. Twee fisiologiese parameters van plantwaterstremming, naamlik, fotosintesetempo en...
  4. Die invloed van verskillende waterregimes op Up-to-date aartappels II. Opbrengs, grootteverspreiding, kwaliteit en waterverbruik

    Die invloed van verskillende waterregimes op Up-to-date aartappels II. Opbrengs, grootteverspreiding, kwaliteit en waterverbruik

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Drie besproeiingsbehandelings (20, 50 en 70% onttrekking van plantbeskikbare water) is toegepas ten einde die optimum peil van grondwateronttrekking by aartappels te bepaal. Die proef is gedurende die 1987 en 1988 herfsseisoene uitgevoer. Totale waterverbruik van behandelings is bereken en...
  5. REVIEWS

    REVIEWS

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
  6. REVIEW

    REVIEW

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
  7. THE INFLUENCE OF ROOST-CAVITY AVAILABILITY ON FLOCK SIZE IN THE REDBILLED WOODHOOPOE <em>PHOENICULUS PURPUREUS</em>

    THE INFLUENCE OF ROOST-CAVITY AVAILABILITY ON FLOCK SIZE IN THE REDBILLED WOODHOOPOE <em>PHOENICULUS PURPUREUS</em>

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Du Plessis, M.A. 1989. The influence of roost-cavity availability on flock size in the Redbilled Woodhoopoe Phoeniculus purpureus. Ostrich suppl. 14: 97–104.
  8. A comparison between South African psychiatrists' and paediatricians' knowledge, attitudes and current practices regarding the management of children with Attention Deficit/Hyperactivity Disorder

    A comparison between South African psychiatrists' and paediatricians' knowledge, attitudes and current practices regarding the management of children with Attention Deficit/Hyperactivity Disorder

    Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health
    The objective of this study was to determine the knowledge, attitudes and current practices of psychiatrists and paediatricians in South Africa regarding the management of children with Attention Deficit/Hyperactivity Disorder (ADHD), to determine if there are significant differences between them...
  9. Behavioural ecology of the Namibian Violet Woodhoopoe <em>Phoeniculus damarensis</em>

    Behavioural ecology of the Namibian Violet Woodhoopoe <em>Phoeniculus damarensis</em>

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    We studied the behavioural ecology of the Violet Woodhoopoe Phoeniculus damarensis, a rare species endemic to Namibia and southern Angola. Groups in Namibia consisted on average of 4.3 ± 1.6 individuals, with apparently only a single breeding pair. Non-breeding group...
  10. Waterbird populations at the Orange River mouth from 1980–2001: a re-assessment of its Ramsar status

    Waterbird populations at the Orange River mouth from 1980–2001: a re-assessment of its Ramsar status

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    The Orange River mouth (ORM), at the end of the longest river in South Africa, is one of few perennial wetlands on the arid south-west African coast. The ORM supports a large number of waterbirds, with a maximum of 20...