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Indigenous High Forests in the Transvaal with Special Reference to Inventory and Monitoring Systems
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G.R. von dem Bussche --- Conservation Forestry Department of Water Affairs and Forestry, South AfricaThe indigenous forests in the Transvaal comprise a total area of 35 385 ha, of which 18 088 ha or 51% are situated on State forest land. The forests are found mainly along the Drakensberg escarpment and, to a lesser... -
A LIMNOLOGICAL SYNOPSIS OF BHANGAZI SOUTH, A DYSTROPHIC COASTAL LAKE IN THE GREATER ST LUCIA WETLAND PARK (KWAZULU/NATAL), WITH COMMENTS ON ITS CONSERVATION VALUE.
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: R. C. Hart --- , , South Africa C. C. Appleton --- , , South AfricaBase-line limnological and biological data are given for Lake Bhangazi South, a small lake on the coastal plain of Kwazulu-Natal, South Africa. This shallow (Zmax < 6 m), subtropical lake is a warm and seemingly continuously polymictic system, but experiences... -
Forest inventory in the digital remote sensing age
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Chr. Kätsch A. KunnekeApplications of sampling theory together with the technical developments in the field of remote sensing have opened new paths in forest inventory. This paper presents an overview of ongoing research in the field of automatic feature extraction and pattern recognition,... -
Remote sensing from space—present and future applications in forestry, nature conservation and landscape management
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Faculty of Forestry, Fachhochschule Hildesheim/Holzminden, Germany Holger Vogt --- Dipl. Forstwirt Holger Vogt, Faculty of Forestry, South AfricaPast studies have suggested that sound knowledge about the reflectance characteristics of objects could be of great value in understanding the physical, chemical, and the spatial properties of features on our planet. These characteristics can be assessed remotely, and the... -
Exploring the Validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Itumeleng P. Khumalo --- North-West University, South Africa Marie P. Wissing --- North-West University, South Africa Q. Michael Temane --- North-West University, South AfricaThis study explored the validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African context. A convenience sample of 256 African students completed the VIA-IS in English. The majority of strengths subscales had good reliability coefficients and mean scores... -
Psychometric Evaluation of The Utrecht Work Engagement Scale (UWES) and Oldenburg Burnout Inventory (OLBI) within a Cement Factory
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martin Lekutle --- North-West University, Jan Alewyn Nel --- North-West University,This study evaluated the psychometric properties of the Utrecht Work Engagement Scale (UWES) and the Oldenburg Burnout Inventory (OLBI) within a cement factory. Respondents were 187 employees (males =168, females =19) from a cement factory in the North West province... -
HIV/AIDS fatalism, beliefs and prevention indicators in Gabon:comparisons between Gabonese and Malians
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: RosannaF Hess --- , United States Martin Mbavu --- , United StatesHIV/AIDS fatalism may impact on individuals’ health-seeking behaviour and HIV-prevention efforts. This descriptive study measured levels of HIV/AIDS fatalism and documented HIV/AIDS beliefs and practices among a sample of Gabonese and Malians living in Gabon, West Africa. The Powe Fatalism... -
Composition of macrobenthos in the Wouri River estuary mangrove, Douala, Cameroon
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: VM Ngo-Massou --- Department of Botany, Faculty of Science, Cameroon GL Essome-Koum --- Department of Botany, Faculty of Science, Cameroon E Ngollo-Dina --- , USA N Din --- Department of Botany, Faculty of Science, CameroonThe macrobenthos of mangroves is dominated by crabs and molluscs, which have a significant ecological role in terms of the structure and function of mangroves. The aim of this study was to determine the abundance and biological diversity of these... -
Equations for predicting the biomass of Acacia cyclops and Acacia saligna in the western and eastern Cape regions of South Africa Part 2: Stand-level models
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: A. van Laar --- Faculty of Agricultural and Forestry Sciences, J.M. Theron --- Faculty of Agricultural and Forestry Sciences,The study deals with stand-level models for estimating wood biomass for different tree sizes and different biomass categories. It was carried out on farms and nature reserves in three regions. The stratification was identical with that in part 1 of... -
Stem biomass and volume models of selected tropical tree species in West Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: GHS Guendehou --- , Bénin A Lehtonen --- , Finland M Moudachirou --- Laboratoire de Pharmacognosie, Faculté des Sciences et Techniques, Bénin R Mäkipää --- , Finland B Sinsin --- Laboratoire d'Ecologie Appliquée, Faculté des Sciences Agronomiques, BéninEstimating tree volume and biomass constitutes an essential part of the forest resources assessment and the evaluation of the climate change mitigation potential of forests through biomass accumulation and carbon sequestration. This research article provides stem volume and biomass equations... -
Efficiency of inventory plot patterns in quantitative analysis of vegetation: a case study of tropical woodland and dense forest in Benin
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: ValèreK Salako --- Faculty of Agronomic Sciences, Benin RomainL Glele Kakaï --- Faculty of Agronomic Sciences, Benin AchilleE Assogbadjo --- Faculty of Agronomic Sciences, Benin Belarmain Fandohan --- Faculty of Agronomic Sciences, Benin Marcel Houinato --- Faculty of Agronomic Sciences, Benin Rodolphe Palm --- Agro-Bio Tech, BelgiumThe main issue in forest inventory is the reliability of data collected, which depends on the shape and size of inventoried plots. There is also a need for harmonisation of inventoried plot patterns in West Africa. This study focused on... -
Using high-resolution satellite imagery and double sampling as a cost-effective means of collecting forest inventory data – the case of Hans Kanyinga Community Forest, Namibia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JM Kamwi C KätschThe present study deals with the use of high-resolution satellite imagery in forest inventory of the open savanna woodlands of southern Africa. The study was carried out in Hans Kanyinga Community Forest, north-eastern Namibia. A two-phase (double) sampling design was... -
Productivity gains by fertilisation in Eucalyptus urophylla clonal plantations across gradients in site and stand conditions
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JM de Aguiar Ferreira --- , Brazil JL Stape --- Department of Forestry and Environmental Resources, USANutrition management in Eucalyptus plantations is fundamental for sustaining high production. Fertilisation is routinely used to improve tree nutrition, providing profitable returns on large investments. Growth responses to fertilisation differ dramatically among sites, however, so efficient investment decisions in fertilisation... -
Computerised inventory management for a manufacturing industry: A case study in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Emmanuel Seye Owoeye --- Mechanical Engineering Department, Nigeria Samuel Babatope Adejuyigbe --- Mechanical Engineering Department, Nigeria Bukola Olalekan Bolaji --- Mechanical Engineering Department, Nigeria A.F. Adekoya --- Computer Science Department, NigeriaVarious authors have suggested that the cost of purchasing and holding inventory can account for as much as 60%–80% of the total cost of a product or service. Usually, only some of the inventory (about 10%) contributes to 70%–80% of... -
Psychometric evaluation of the Basic Traits Inventory in the multilingual South African environment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sonja Grobler --- Industrial and Organisational Psychology Department, College of Economic and Management Sciences, South Africa Marié de Beer --- Industrial and Organisational Psychology Department, College of Economic and Management Sciences, South AfricaThe objective of this study was to evaluate the psychometric properties of the BTI for all the official language groups in South Africa. Item bias analysis was performed by means of Rasch analysis for a sample of 105 342 respondents... -
Towards a standardized and optimized protocol for rapid biodiversity assessments: spider species richness and assemblage composition in two savanna vegetation types
Item type: Journal Article • Journal: African Zoology • Authors: M.I. Muelelwa --- Centre for Invasion Biology and Department of Zoology, South Africa S.H. Foord --- Centre for Invasion Biology and Department of Zoology, South Africa A.S. Dippenaar-Schoeman --- ARC Plant Protection Research Institute, South Africa E.M. Stam --- National Zoological Gardens of South Africa, South AfricaA semi-quantitative inventory of spider diversity was done in the Blouberg Nature Reserve (BNR) and Western Soutpansberg Conservancy (WSC) situated in the Savanna Biome of the Limpopo Province, South Africa. Two hundred and ninety-six samples of one person-hour work each,... -
The implication of using a fixed form factor in areas under different rainfall and soil conditions for Pinus kesiya in Zambia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Darius Phiri --- School of Natural Resources, Zambia Eliud Phiri --- 47 Second Street, Mindolo, Zambia Robby Kasubika --- School of Natural Resources, Zambia Donald Zulu --- School of Natural Resources, Zambia Chisala Lwali --- School of Natural Resources, ZambiaThe study was undertaken to evaluate form factors for Pinus kesiya growing in the three Zambia Forest and Forestry Industries Corporation (ZAFFICO) plantations – the Ndola, Ichimpe and Chati groups – under different rainfall (900–1 500 mm) and soil conditions (pH... -
Measurement invariance across gender and ethnicity on the Emotional Quotient Inventory 2.0
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Casper J. J. Van Zyl --- Department of Psychology, South AfricaThis study investigated the measurement invariance of the Emotional Quotient Inventory 2.0 across gender and ethnic groups in South Africa. The sample consisted of 1 144 working adults (female = 49.8%. black = 36.2%, white = 29.8%; other = 34%;... -
Levels of burnout among registrars and medical officers working at Bloemfontein public healthcare facilities in 2013
Item type: Journal Article • Journal: South African Family Practice • Authors: U Sirsawy --- Department of Family Medicine, Faculty of Health Sciences, South Africa WJ Steinberg --- Department of Family Medicine, Faculty of Health Sciences, South Africa JE Raubenheimer --- Department of Biostatistics, Faculty of Health Sciences, South AfricaBackground: Burnout is prevalent among medical personnel and affects their work environment. This study investigated the level of burnout among registrars and medical officers at public healthcare facilities in Bloemfontein. -
An evaluation of personality traits associated with job satisfaction among South African anaesthetists using the Big Five Inventory
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Kisten --- Department of Anaesthesiology, South Africa H Kluyts --- Department of Anaesthesiology, South AfricaBackground: Job satisfaction is a vital contributor to occupational well-being and may be instrumental in mitigating stress and the adverse effects thereof. This is particularly pertinent in anaesthesiology, which is an inherently stressful field. There are myriad factors, including personality... -
Monitoring Victoria’s public forests: implementation of the Victorian Forest Monitoring Program
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Andrew Haywood --- European Forest Institute, Spain Kristen Thrum --- Victorian Department of Environment, Land, Water and Planning, Australia Andrew Mellor --- School of Mathematical and Geospatial Sciences, Australia Christine Stone --- New South Wales Department of Primary Industries, AustraliaA new strategic inventory across all publicly managed forests has been installed in Victoria. For the preceding two decades, Victoria’s forest inventory has been compiled from various data sources from across the state, an approach that doesn’t allow information about... -
Personality and work-home interaction among dual-earner couples in South Africa: Testing an actor-partner interdependence model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Carin Hill --- Department of Industrial Psychology and People Management, South Africa Lynne Blunn --- Department of Industrial Psychology and People Management, South AfricaThis study aimed to investigate the effect of personality on work-home interaction crossover effects among dual-earner couples in South Africa. The participants were dual-earner couples (n = 264; 132 couples) with young children. They completed measures on work-home interaction and... -
A mammal survey of the Serra Jeci Mountain Range, Mozambique, with a review of records from northern Mozambique’s inselbergs
Item type: Journal Article • Journal: African Zoology • Authors: Tim van Berkel --- Biodiversity Inventory for Conservation (BINCO), Belgium Emidio Sumbane --- Natural History Museum, Praca Travessia do Zambeze, Mozambique Samuel EI Jones --- Biodiversity Inventory for Conservation (BINCO), Belgium Merlijn Jocque --- Biodiversity Inventory for Conservation (BINCO), BelgiumThe mountains of northern Mozambique have remained poorly studied biologically until recent years with surveys covering a variety of taxonomic groups highlighting their biological and conservation value. Even so, the medium and large mammal fauna remains poorly known and to... -
The echiuran fauna of southern Africa (Class: Echiura, Phylum: Annelida)
Item type: Journal Article • Journal: African Zoology • Authors: Ramlall Biseswar --- School of Life Sciences, South AfricaThis paper is a comprehensive report on the genera and species of Echiura previously recorded from southern Africa south of 23°30′ S. The echiuran fauna of this region currently comprises five genera and 22 species belonging to the single family... -
A comparison between the morphological and molecular approach to identify the benthic diatom community in the St Lucia Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Nunes --- Botany Department and Institute for Coastal and Marine Research, South Africa JB Adams --- Botany Department and Institute for Coastal and Marine Research, South Africa S Van Aswegen --- Department of Biochemistry and Microbiology, South Africa GF Matcher --- Department of Biochemistry and Microbiology, South AfricaThe use of diatoms as bioindicators to detect human-induced change is a globally accepted monitoring tool. DNA metabarcoding is an effective complementary tool to standard microscopic methods for species identification, providing reliable and timeous diatom assessments in a range of... -
Structure and norms of the Learning and Study Strategy Inventory: A comparison of South African and American samples
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ingrid Opperman --- , South Africa Henry D. Mason --- , South AfricaThis study examined the factorial structure and scale values of the Learning and Study Strategies Inventory (LASSI) among a sample of South African university students (N = 6 065). Principal components and confirmatory factor analysis of the data yielded two... -
Measuring time perspective in Ethiopian young adults using the Adolescent and Adult Time Inventory (AATI)
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ephrem T. Yacob --- , Ethiopia Beide M. Bezabih --- , Ethiopia Frank C. Worrell --- , USA Zena R. Mello --- , USATime perspective is an under-researched social construct in Africa. We examined scores on an Amharic translation of the Adolescent and Adult Time Inventory (AATI) in a sample of 422 young adults attending two types of educational institutions in Ethiopia: preparatory... -
Wood volume estimation strategies for trees from a Dry Forest/Savannah transition area in Piauí, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Lailla Sabrina Queiroz Nazareno --- , Brazil Andressa Ribeiro --- , Brazil Mylla Vyctória Coutinho Sousa --- , Brazil Cynthia Wanick Vieira --- , Brazil Antonio Carlos Ferraz Filho --- , BrazilPrediction of aboveground wood volume is one of most important stages when conducting a forest inventory and making forest management decisions. This is more difficult for native forest than for plantations given the high variability of the former (trees of... -
The psychology of sustainability and sustainable development: Transdisciplinary perspectives
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annamaria Di Fabio --- , ItalyThe study outlines the pillars of the psychology of sustainability and sustainable development. It applies a transdisciplinary approach to explore how the psychology of sustainability and sustainable development provides a common language for constructing well-being and quality-of-life of populations, regarding... -
A psychological contract for the digital mindset: Factor analysis of the Psychological Contract Inputs-Outcomes Inventory (PCIOI)
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alda Deas --- , South Africa Melinde Coetzee --- , South AfricaWe aimed to explore the factor structure of the Psychological Contract Inputs-Outcomes Inventory (PCIOI) as a potential reliable measure for assessing the psychological contract content elements of employees with a digital mindset. Employees (n = 293, mean age = 38.58... -
Structural validity and measurement invariance of the Psychological Career Resources Inventory Short Form as a predictor of career satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- , South Africa Xander van Lill --- , South Africa Marais S Bester --- , South AfricaThe present study had two objectives. The first objective was to assess the structural validity of the Psychological Career Resources Inventory – Short Form (PCRI-SF) and for measurement equivalence across ethnic (white and black) and gender groups in the South... -
The status of arboreta in South Africa and the taxa they contain
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MD Cheek --- , South Africa JRU Wilson --- , South Africa DM Richardson --- , South Africa Ş Procheş --- , South AfricaCollections of living trees (hereafter arboreta) are important for conservation, research on species selection for forestry, and as sentinel sites for monitoring pests and diseases. Arboreta can also be the source of propagules for biological invasions. Between 2012 and 2022... -
Validation of Learning Transfer Inventory System (LTIS) in Cameroon teachers: Measurement invariance and latent mean difference across sex
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bekolo Ngo’a Celestin --- Yibin University, China Tchouchu Emmanuel --- University of Cape Coast, Ghana Kouame Dangui Dorcas --- School of Management and Economics (SME) University of Electronic Science and Technology-Chengdu, ChinaThis study investigated the psychometric properties of the Learning Transfer Inventory System (LTIS) in the Cameroonian education system. A sample of 700 in-service teachers (female = 54.8%; mean age = 36 years, SD = 15.41 years) who completed leadership, management,... -
Geographic distribution of the scorpion fauna in the central Moroccan region of Souss-Massa with potential implications for public health
Item type: Journal Article • Journal: African Zoology • Authors: Fouad Salhi --- Ibn Zohr University, Morocco John P Dunbar --- Institute, University of Galway, Ireland Colin Lawton --- Animal Ecology & Conservation Unit, Ryan Institute, University of Galway, Ireland Jamila Hermas --- Ibn Zohr University, Morocco Jaouad Abou Oualid --- Ibn Zohr University, Morocco Michel M Dugon --- Institute, University of Galway, IrelandDespite the medical importance of North African scorpions, many aspects of their ecology which may be important to understand envenoming patterns throughout their range, remain understudied. The region of Souss-Massa in central Morocco exhibits a high incidence of scorpion envenomings,... -
Relationship between glycaemic control and the severity of erectile dysfunction in men with diabetes attending the diabetic clinic at Kalafong Provincial Tertiary Hospital
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: KH Mathekga --- Kalafong Provincial Tertiary Hospital, South Africa DG van Zyl --- Kalafong Provincial Tertiary Hospital, South Africa S Hanekom --- Kalafong Provincial Tertiary Hospital, South Africa -
Social support mediates job demands, and burnout relation among public senior high school teachers, Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Richard Akutey --- University of Cape Coast, Ghana Daniel Apaak --- University of Cape Coast, Ghana Edward Wilson Ansah --- University of Cape Coast, GhanaWe investigated the extent to which job resources mediated the relationship between job demands and burnout among public senior high school teachers in Ghana. Participants included 1028 public senior high school teachers (female = 491) who have been teaching between... -
“A is for Aircháelán”: the case for compiling a compendium of food in Ireland
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: John D. Mulcahy --- , IrelandSimilar to any geography, food and beverages have been an integral part of Ireland’s cultural fabric. Yet, in Ireland, despite a growing body of publications, a lacuna exists. Until now, no one has undertaken the compilation of an overarching reference...