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Conserving rangeland resources die bewaring van veldhulpbronne
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: M.T. Mentis --- Department of Botany,The aims of the paper are to (1) identify the properties of conservation, (2) explain its poor implementation, and (3) propose remedies. -
Significance for pasture production in the southern Cape coastal region of naturalized rhizobia nodulating the strain specific Medicago polymorpha
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: B.W. Strijdom --- , Republic of South Africa C.J. Otto --- , Republic of South AfricaMost strains of Rhizobium meliloti isolated from Medicago sativa arc also effective on Medicago truncatula and Medicago littoralis but ineffective on Medicago polymorpha. Effective strains isolated from M. polymorpha are also effective on M. sativa and M. truncatula, but are... -
Damage caused by Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) to various cultivars of grain sorghum, Sorghum bicolor (L.) Moench
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa K.L. Pringle --- Department of Entomology and Nematology, Republic of South AfricaGrain sorghum cultivars differed significantly in yield response to natural Chilo partellus infestations over a period two seasons. These differences were ascribed to cultivar characteristics of which differences in length of growing season requirements were the most important. Differences in... -
Unavoidable losses in insecticidal control of Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) in maize and grain sorghum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. ven den Berg --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South AfricaSingle applications of insecticide against Chilo partellus at different times in the pre-flowering stages of maize and from early whorl to soft dough stage in grain sorghum were compared with multiple applications. Based on yield and the incidence of damaged... -
Infestation and injury levels of stem borers in relation to yield potential of grain sorghum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South AfricaThe infestation patterns of the stem borer species Busseola fusca (Fuller) and Chilo partellus (Swinhoe) and the effect on plant yield, tiller number, plant height, peduncle length and internal damage were determined under conditions of differential nitrogen fertilization and soil... -
Stem borers in grain sorghum: I. Injury patterns with time after crop emergence
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa J. van den Berg --- Summer Grain Centre, Republic of South AfricaThe progression of different categories of plant damage caused by Busseola fusca (Fuller) and Chilo partellus (Swinhoe) with time after crop emergence was determined through regular sampling from nine sorghum plantings in each of three seasons. Tillers were more prone... -
Stem borers in grain sorghum: II. Yield loss compensation in relation to borer attack
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa J. van den Berg --- Summer Grain Centre, Republic of South AfricaThe yields of Individual stems of grain sorghum In different categories of tillering and of injury by the stem borers Busseolafusca (Fuller) and Chilo partellus (Swinhoe) were obtained from nine plantings In each of three seasons. Tillering was stimulated by... -
Predictive estimation of maize yield loss caused by Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) in maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Riana Bate --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South AfricaThe effect of Chito partellus (Swinhoe) on growth and yield of maize was investigated in two field experiments, using artificial infestation in cages. The first experiment consisted of five infestation levels, viz. 0, 15, 30, 45 and 60 eggs per... -
The success of the AMMI model in predicting lucerne yields for cultivars with differing dormancy characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MarieF. Smith --- , Republic of South Africa A. Smith --- , Republic of South AfricaThe AMMI model, which incorporates both additive and multiplicative components into an integrated, powerful, least squares analysis, is used for the analysis of cultivar trials at different localities. These trials are a major experimental component in crop production and plant... -
Status of resistance to Chilo partellus (Lepidoptera: Pyralidae) in South African grain sorghum hybrids
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- Summer Grain Centre, Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa M.C. van der Westhuizen --- Department of Zoology and Entomology, Republic of South AfricaThe level of resistance to Chilo partellus was evaluated in 49 commercially available grain sorghum hybrids using artificial infestation in each of two field trials. The assessment of leaf feeding damage on a scale of one to nine indicated levels... -
New sources of resistance to the stalk borers Busseola fusca (Fuller) and Chilo partellus Swinhoe in maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa J. van den Berg --- Summer Grain Centre, Republic of South AfricaA number of maize genotypes reportedly resistant to various stem borer species were evaluated for resistance to the maize stalk borer, Busseola fusca, and the spotted stem borer, Chilo partellus. Based on larval mass gain after two weeks of feeding... -
Development of a chemical control strategy for Chilo partellus (Lepidoptera: Pyralidae) in grain sorghum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- Summer Grain Centre, Republic of South Africa M.C. van der Westhuizen --- Department of Zoology and Entomology, Republic of South AfricaFour field trials were conducted over three seasons to determine the optimum plant growth stages for single and follow-up insecticide applications for the control of Chilo partellus in grain sorghum. The insecticide was applied at various vegetative and reproductive plant... -
Comparison of various directional insecticide sprays against Busseola fusca (Lepidoptera: Noctuidae) and Chilo partellus (Lepidoptera: Pyralidae) in sorghum and maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- , Republic of South Africa J. B.J. van Rensburg --- , Republic of South AfricaThree methods of directional insecticide application against Busseola fusca and Chilo partellus infestations in the late growth stages of sorghum and maize were compared over two seasons. An insecticide mixture consisting of endosulfan and deltamethrin was applied 10 days after... -
Evaluation of Bt.-Transgenic maize for resistance to the stem borers Busseola fusca (Fuller) and Chilo partellus (Swinhoe) in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J. Van Rensburg --- , Republic of South AfricaThe gene Cry1Ab derived from the entomopathogenic bacterium Bacillus thuringiensis is currently deployed commercially for control of Pyralid stem borers of maize in the USA. In this study various events of the Bt-gene were evaluated in maize inbred lines and... -
Grain yield response and Chilo partellus infestation in diverse sorghum-cowpea intercrop arrangements
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.K. Ayisi --- Department of Plant Production, Republic of South Africa M.S. Mposi --- Department of Plant Production, Republic of South Africa J. van den Berg --- , Republic of South AfricaYield improvement and insect pest control in intercropping systems relative to sole cultures has been variable and inconsistent over habitats, component species, varieties, density, row arrangement, soil fertility and moisture. This study was initiated to quantify yield response of two... -
Effect of the organo-trisiloxane surfactant, Break-Thru S240, on the depth of penetration of insecticides into maize whorls and chemical control of stem borers
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- , South Africa D. Viljoen --- , South AfricaChemical control of the stem borers Busseola fusca (Lepidoptera: Noctuidae) and Chilo partellus (Lepidoptera: Pyralidae) is complicated because of cryptic feeding deep inside plant whorls where larvae do not easily come into contact with insecticides. In this study the effect... -
The effect of the adjuvant, Break-Thru S240, on whorl penetration and efficacy of foliar insecticide applications against Chilo partellus
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Slabbert --- , South Africa J. Van den Berg --- , South AfricaInsecticide sprays registered for the control of maize stem borers are all intended for whorl application. Chemical control of these pests is complicated by their cryptic feeding habit inside plant whorls. The aim of this study was to investigate whether... -
FISH POPULATIONS IN THE MIDDLE AND LOWER ORANGE RIVER, WITH SPECIAL REFERENCE TO THE EFFECTS OF STREAM REGULATION
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.A. Cambray --- Cape Department of Nature and Environmental Conservation, Republic of South AfricaThe results of two surveys, in March 1982 and September 1983, on the distribution and status of freshwater fish in the highly regulated section of the Orange River, from the P.K. Le Roux Dam wall to the mouth of the... -
The Male Rape Survivor: Possible Meanings in the Context of Feminism and Patriarchy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gertie Pretorius --- University of Johannesburg, South AfricaThis article covers a philosophical investigation into the possible meanings of rape for male survivors. The legal definitions of rape are investigated and the impossibility of male rape—from a legal, personal and social angle—described. An analysis of male rape in... -
African communalism and public health policies: the relevance ofindigenous concepts of personal identity to HIV/AIDS policies in Botswana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kipton Jensen --- Department of Philosophy and Religion, United States JosephBR Gaie --- Department of Religious Studies, Theology and Philosophy, BotswanaThis article explores the possible relevance of African communalism to HIV/AIDS policies in Botswana and other parts of sub-Saharan Africa. We examine various interpretations of African communalism, which many consider to be the cardinal insight of African thought. We suggest... -
Water — The common element: Lessons from antiquity and the health of the environment
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: C DickensThe chief pursuit of all aquatic science is to come to know the rules that govern aquatic systems. In this pursuit many scientists move in the direction of greater diversity, where the laws that govern ecosystem relationships become increasingly confined... -
The food and feeding habits of five freshwater and brackish-water fish species in Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PO Ajah MN Georgewill MO AjahThe food and feeding habits of five economically important fresh-and brackish-water fishes, Channa obscura, Chrysichthys nigrodigitatus, Heterotis niloticus, Synodontis nigrita and Trachinotus maxillosus, were investigated. A number of techniques were used to carry out gut content analysis, including the Hynes... -
A Comparison of Three Methods of Wood Density Assessment in a Pinus elliottii Progeny Test
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G. Gough --- Forest Research Centre, R.D. Barnes --- ,Three methods of determining wood density of 15 Pinus elliottii Engelm. families in a progeny test were compared. The first was based on a segment cut from a disc, the second on an 8 mm increment core and the third... -
The role of ornamental goldfish Carassius auratus in transfer of some viruses and ectoparasites to cultured fish in Egypt: comparative ultra-pathological studies
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MA Mahmoud --- Department of Pathology, Faculty of Veterinary Medicine, Egypt SM Aly --- , Egypt AS Diab --- , Egypt G. John --- Department of Biotechnology, IndiaGoldfish, common carp and Nile tilapia were sampled between September 2002 and May 2003 to investigate lesions induced by viral diseases and ectoparasites. Goldfish exhibited neoplasms, Dermocystidium sp., Ichthyophthirius multifiliis (Ich), Trichodina reticulata, Lernaea cyprinacea and systemic infections. Neoplastic and... -
Why is there Philosophy of Mathematics AT ALL?
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Ian Hacking --- Collège de France and University of Toronto,Mathematics plays an inordinate role in the work of many of famous Western philosophers, from the time of Plato, through Husserl and Wittgenstein, and even to the present. Why? This paper points to the experience of learning or making mathematics,... -
Nail changes in systemic diseases
Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, South Africa MC Mayayise --- Department of Internal Medicine, South AfricaDiscerning between actual nail conditions and nail changes associated with systemic disease is a very important and interesting part of any clinical examination. This article provides a helpful clinical atlas of nail changes that may be associated with systemic disease... -
Mmaskitlana Play Therapy: A Case Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rebecca Salang Modikwe --- University of South Africa, Ansie Lessing --- University of South Africa,This article explores the potential of Mmaskitlana as a form of therapy for children with emotional disorders. A case study is presented describing the use of Mmaskitlana with one learner with emotional problems from sexual abuse. Interview data and interpretative... -
Variability in growth of Vachellia nilotica provenances tested in the Sudano-Sahelian zone of Niger
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mahamane Larwanou --- African Forest Forum, Kenya Rabiou Issa --- Institut Pratique de Développement Rural, Niger Mahamane Saadou --- Department of Biology, Faculty of Science, Niger Anders Ræbild --- Department of Geoscience and Natural Resources, DenmarkA provenance trial of Vachellia nilotica (Acacia nilotica) was conducted in Niger in order to assess variability in growth among 10 provenances from Africa (subsp. adstringens from Niger, Senegal and Cameroun) and outside the continent (subsp. indica from Pakistan and... -
Innovative fluorescence detection technique for metals in cestode egg-shells
Item type: Journal Article • Journal: African Zoology • Authors: N. Degger --- Department of Zoology, South Africa A. Avenant-Oldewage --- Department of Zoology, South Africa R. Greenfield --- Department of Zoology, South AfricaRecent work in the field of parasitology has drawn attention to the application of parasites as pollution-accumulation indicators, particularly cestodes. A discrepancy in metal concentrations within cestode posterior and anterior tissue has led researchers to attribute this phenomenon to metals... -
Post-weaning social behaviour within mother–offspring groups of the bushveld gerbil, Gerbilliscus leucogaster: implications for dispersal
Item type: Journal Article • Journal: African Zoology • Authors: Tracy K. Lötter --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Neville Pillay --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaSocial behaviour has been implicated in the natal dispersal of several small mammal species. We studied social interactions within groups of bushveld gerbil Gerbilliscus leucogaster mothers and their weaned offspring in captivity. We examined groups (n = 8) over several... -
How do African Black Oystercatchers Haematopus moquini recruit into high-density populations?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Douglas Loewenthal --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Dane M Paijmans --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South AfricaTheoretical and empirical studies of oystercatchers both suggest that levels of adult site fidelity, natal philopatry and age-at-first-breeding are interrelated consequences of life-history decisions made by potential breeders. All are fundamental to explaining population dynamics and have important conservation implications... -
The cosmological aspects of food in the material world
Item type: Journal Article • Journal: • Authors: Joseph Hegarty --- Sheffield Business School, Sheffield Hallam University, Sheffield, UKThere is a general tendency today to believe that all truth worth knowing is to be found in the various branches of the physical sciences. If this were so, there could be no place for a philosophy of matter, or by... -
Cattle and cattle colour terminology in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Louis J Louwrens --- Department of African Languages, Elsabé Taljard --- Department of African Languages,A comparison between cattle colour terminology found in the Khoikhoi languages and that found in South African Bantu languages brings noticeable similarities to light, leading to the assumption that both the cattle and the terms used to describe their characteristic... -
Living off the Stony Farm: Address and Diasporic Consciousness in “Shamba la Mawe” by Awilo Mike
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: T. Michael Mboya --- Department of Literature, Theatre and Film Studies, KenyaThis article reads diasporic consciousness in the song “Shamba la Mawe” by the Kenyan artiste, Awilo Mike. It takes as its entry point for the reading the fact that Peter, the speaker in the song's lyrics, a Kenyan migrant in... -
Sampling strategies for millipedes (Diplopoda), centipedes (Chilopoda) and scorpions (Scorpionida) in savanna habitats
Item type: Journal Article • Journal: African Zoology • Authors: Dave Druce --- School of Life and Environmental Sciences, George Campbell Building,, South Africa Michelle Hamer --- School of Botany and Zoology, South Africa Rob Slotow --- School of Life and Environmental Sciences, George Campbell Building,, South AfricaAt present considerable effort is being made to document and describe invertebrate diversity as part of numerous biodiversity conservation research projects. In order to determine diversity, rapid and effective sampling and estimation procedures are required and these need to be... -
Inferring population trends of Araucaria angustifolia (Araucariaceae) using a transition matrix model in an old-growth forest
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Giovani F Paludo --- Grupo Uso e Conservação dos Recursos Florestais, Brazil Miguel B Lauterjung --- Grupo Uso e Conservação dos Recursos Florestais, Brazil Maurício S dos Reis --- Núcleo de Pesquisas em Florestas Tropicais, Brazil Adelar Mantovani --- Grupo Uso e Conservação dos Recursos Florestais, BrazilMatrix population models may generate important information to prevent undesirable outcomes for endangered species. This is the case for Araucaria angustifolia, a Critically Endangered conifer, with little knowledge regarding its life history and trends in development over time. This study... -
Reliability of an adult respiratory symptom questionnaire in a community located near a mine dump in South Africa: pilot study
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Vusumuzi Nkosi --- Faculty of Health Sciences, South Africa Kuku Voyi --- Faculty of Health Sciences, South AfricaBackground: Pretesting a questionnaire is an important activity before the start of the main epidemiological study. Aim: The study tested the reliability (internal consistency) of the modified ATS-DLD-78 adult respiratory diseases questionnaire developed by the British Medical Research Council. Results:... -
Is it enough to talk of marriage as a process? Legitimate co-habitation in Umlazi, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Mark Hunter --- Human Geography, CanadaSome 65 years ago Radcliffe-Brown wrote that marriage is “not an event or a condition but a developing process.” This position became modified two decades later when John Comaroff and Simon Roberts demonstrated the ambiguity of the process of marriage... -
Macroinvertebrates as bioindicators of water quality in the Mkondoa River, Tanzania, in an agricultural area
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MJ Shimba --- Department of Biotechnology and Bioinformatics, FE Jonah --- Department of Fisheries and Aquatic Sciences, GhanaThe suitability of using macroinvertebrates as bioindicators of stream water quality was tested in the Mkondoa River in an agricultural area at Kilosa, using the rapid bioassessment protocol. The family biotic index (FBI) showed marked variation in water quality along... -
Is there a trade-off in resource allocation to condensed tannins and thorn defences in Vachellia (Acacia) species?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Allan Sebata --- Department of Forest Resources and Wildlife Management, ZimbabweAcacia species invest in condensed tannins (CT) and thorn defences among others. Plant defences are considered costly because they use resources that would otherwise be available for growth and reproduction. To reduce plant defence costs it has been argued that... -
The cosmological aspects of food in the material world
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Joseph Hegarty --- Sheffield Business School, Sheffield Hallam University, UKThere is a general tendency today to believe that all truth worth knowing is to be found in the various branches of the physical sciences. If this were so, there could be no place for a philosophy of matter, or... -
Things Fall Apart and the Pedagogy of Adichie’s Single Story
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Eve Eisenberg --- English Department, USAThis essay undertakes a critical examination of the epistemological and pedagogical risks and rewards of teaching Chinua Achebe’s Things Fall Apart in American secondary schools. I consider these issues from several different viewpoints. Recent research suggests that American students receive... -
Natal philopatry in young Cape Vultures Gyps coprotheres
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Margaret T Hirschauer --- VulPro NPC, South Africa Kerri Wolter --- VulPro NPC, South Africa Walter Neser --- VulPro NPC, South AfricaIn 2010, 14 Cape Vulture Gyps coprotheres chicks were ringed as nestlings on the cliffs at the Skeerpoort Cape Vulture colony in the Magaliesberg mountains, South Africa. Observations made during the 2014 and 2015 breeding colony censuses confirm two individuals... -
Increasingly urban Marabou Storks start breeding four months early in Kampala, Uganda
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Derek Pomeroy --- Department of Zoology, Uganda Micheal Kibuule --- Department of Zoology, UgandaIn recent decades, Marabou Storks Leptoptilos crumeniferus have become common in many urban centres, including Kampala, Uganda, where, as of 2016, they number several thousand birds, with more than 1 200 breeding pairs. Elsewhere in Uganda, the majority of colonies... -
Utilization of shea fruit to enhance food security and reduce poverty in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Esther Gyedu-Akoto --- New Product Development Unit, Ghana Frederick Amon-Armah --- Social Science and Statistics Unit, Cocoa Research Institute of Ghana, Ghana Daniel Yabani --- New Product Development Unit, GhanaThe shea tree grows extensively in the northern part of Ghana, which is known to be one of the poorest areas in the country. To help reduce poverty and enhance food security in this area, attempts were made to add... -
Predictive modelling of the potential future distribution of Vachellia nilotica within the KwaZulu-Natal province of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Janet Taylor --- Natural Resources Section, KwaZulu-Natal Department of Agriculture and Rural Development, South Africa Nico Smit --- Department of Animal, Wildlife and Grassland Sciences, South Africa Debbie Jewitt --- Biodiversity Research and Assessment, Ezemvelo KZN Wildlife, South AfricaMany regions of South Africa are prone to woody plant thickening. This can have an ecologically detrimental effect on the open savannas and grasslands. KwaZulu-Natal, a province on the east coast of South Africa, is currently experiencing an increase in... -
Unpacking the practice of ukujola in contemporary South Africa: understanding informal/casual sexual relations of young African adults in the context of HIV and AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Themba Mgwaba --- School of Built Environment and Development Studies, South Africa Pranitha Maharaj --- DST/NRF SARChI Chair in Economic Development, School of Built Environment and Development Studies, South AfricaHIV and AIDS continue to pose a global health and development challenge, particularly in sub-Saharan Africa. South Africa has the largest number of people living with HIV (PLHIV) in the world. In spite of the accelerated efforts to combat the... -
Unique co-occurrence of two genera of cymothoid ectoparasitic isopods on the same individual fish host
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RL Welicky --- , South Africa NJ Smit --- , South AfricaParasitism of a host fish by a single species of cymothoid is regularly reported. For the first time on a temperate-fish host and in South African waters, we observed two species of cymothoids, the flesh-infesting Anilocra capensis and the tongue-infesting... -
The autumn occurrence and spatial distribution of cetaceans in the waters of Mauritania during a geophysical survey in 2012
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Russell --- , United Kingdom A Sánchez-Cabanes --- , United Kingdom M Nimak-Wood --- , United KingdomThis study aimed to identify the occurrence and spatial distribution of cetaceans in Mauritanian waters (eastern Atlantic). A geophysical survey was conducted over 92 days between September and December 2012. Over 967 km was surveyed, with 1 017 h of... -
Kipchamba Arap Tapotuk’s Music: Oral Narratives, (Hi)story and Culture of the Kalenjin People
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Charles Kipng’eno Rono --- Literature, Theatre and Film, KenyaFocusing on the Koilong’eet Band, this paper is an interrogation of how the selected songs by Kipchamba Arap Tapotuk incorporate Kalenjin oral techniques to create a space for narrating the past and the culture of the Kalenjin people. By conducting... -
Natal dispersal in the Southern Ground Hornbill Bucorvus leadbeateri
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kate F Carstens --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Reshma Kassanjee --- Department of Statistical Sciences, South Africa Robin M Little --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Peter G Ryan --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Philip AR Hockey --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaDispersal is of ecological and evolutionary importance for population biology because it affects a species’ ability to expand its range, to colonise new favourable habitats and to increase the likelihood of population persistence. Male birds are mostly philopatric, delaying dispersal... -
Effect of dietary vitamin E on biochemical, oxidative stress and immunological parameters in Nile tilapia exposed to penoxsulam
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TM Saber --- Forensic Medicine and Toxicology Department, Egypt M ElHady --- Fish Diseases and Management Department, Egypt HA Ali --- Department of Biochemistry, EgyptThis study was performed to determine the median lethal concentration (96-h LC50) of penoxsulam (PNX) in Nile tilapia, Oreochromis niloticus, fingerlings and to investigate the protective effect of vitamin E (Vit E) against biochemical and immunological alterations induced by two... -
Relative growth of invasive and indigenous tilapiine cichlid fish in Tanzania
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SJ Bradbeer --- , United Kingdom BP Ngatunga --- , Tanzania GF Turner --- , United Kingdom MJ Genner --- , United KingdomNon-native species have been widely distributed across Africa for the enhancement of capture fisheries, but it can be unclear what benefits in terms of fisheries production the non-native species bring, compared with native species. Here we compared the relative growth... -
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 AfricaSouthern 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... -
Cyanobacterial abundance and microcystins in water, seston and fish tissues in Lake Hora-Arsedi (Ethiopia)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TW Zewde --- , Ethiopia D Kifle --- , Ethiopia JA Johansen --- , Norway TB Demissie --- , Ethiopia JH Hansen --- , Norway Z Tadesse --- , EthiopiaThe phytoplanktonic composition with a focus on cyanobacteria, intra- and extracellular microcystins (MCs) concentrations and MCs concentrations in fish tissues were investigated in Lake Hora-Arsedi (Ethiopia). The phytoplankton community comprised of 40 species in the first phase of the study... -
Influence of the soil on the spatial structure of forest species – preliminary results in a terra firme secondary forest plot, Amapá, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ronaldo Oliveira dos Santos --- , Brazil Robson Borges de Lima --- , Brazil Rubiene Neto Soares --- , Brazil Bruno de Souza Dantas --- , Brazil Adriano Castro de Brito --- , Brazil Michelle Vasconcelos Cordeiro --- , Brazil Jadson Coelho de Abreu --- , Brazil Breno Marques da Silva e Silva --- , BrazilIn recent years there has been increasing interest in the relationships between edaphic factors in tropical forests due to the complexity and the dynamic nature of plant interactions with the physical environment. This research sought to investigate the correlation of... -
Large-scale movements and site fidelity of two bull sharks Carcharhinus leucas estimated from a double-tagging experiment at Réunion Island (southwest Indian Ocean)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Soria --- , France Y Tremblay --- , France A Blaison --- , France F Forget --- , France E Crochelet --- , Réunion L Dagorn --- , FranceSince 2011, the mean number of bites per year by bull sharks Carcharhinus leucas has increased markedly at Réunion Island. To predict areas and periods of increased risk, we need to better understand the space-use dynamics of individual sharks. In... -
Testing assertions of dietary specialisation: a case study of the diet of Aparallactus capensis
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Bryan Maritz --- University of the Western Cape, South Africa Aadam Rawoot --- University of the Western Cape, South Africa Ryan van Huyssteen --- University of the Western Cape, South AfricaThe lack of detailed natural history information required to precisely characterise the diets of many organisms often results in the use of generalised descriptions of those diets. These descriptions can become dogmatic, and should be challenged with novel observational data... -
Topo-edaphic environment and forest plantation disturbance explain patterns of grassland species richness, composition and structure in an agro-ecological landscape, Maputaland, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AP Starke --- , South Africa TG O’Connor --- , South Africa CS Everson --- , South AfricaGrasslands of the Maputaland coastal plain are biologically diverse and provide a variety of ecosystems services. Yet grasslands in this region are vulnerable to continuing development by plantation forestry that provides economic benefits to local communities. In order to provide... -
Topo-edaphic environment and forestry plantation disturbance affect the distribution of grassland forage and non-forage resources, Maputaland, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AP Starke --- , South Africa TG O’Connor --- , South Africa CS Everson --- , South AfricaGrasslands are integral to rural livelihoods in southern Africa, because they provide hydrological regulation services and a variety of plant resources, including livestock fodder, medicines, and food products. To ensure ongoing provision of these resources in rapidly developing rural landscapes,... -
Is happiness based on psychological harmony? Exploring the mediating role of psychological harmony in the relationship between personality characteristics and occupational well-being
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yuzhu Zhang --- , China Leigang Zhang --- , China Yunlong Wu --- , ChinaThis study proposed and tested a theoretical model for specifying the structural relationship between personality characteristics (including core self-evaluation, social comparison, philosophies of human nature, psychological capital), psychological harmony, and occupational well-being in a higher education setting. We analysed data... -
A can of worms: Identification issues and morphological conservatism in a large sample of African Green and Bush Snakes (Colubridae: Philothamnus) from Minziro Forest, Tanzania
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Tejs Gørgens Nielsen --- Globe Institute, University of Copenhagen, Denmark Sofie Holdflod Nielsen --- Globe Institute, University of Copenhagen, Denmark Peter Gravlund --- Museum of Eastern Zealand, Denmark David Moyer --- The Field Museum, Illinois, USA and Iringa Anders Galatius --- Aarhus University, Denmark Morten E Allentoft --- Globe Institute, University of Copenhagen, DenmarkThe African green snakes of the genus Philothamnus include c. 21 recognised species distributed across sub-Saharan Africa. Many of the species exhibit high morphological conservatism, exist sympatrically, and can have high population densities. This is presumably the reason why the... -
Women in Chinsapo, Malawi: vulnerability and risk to HIV/AIDS
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jayati Ghosh --- Division of Business, Dominican University of California, Ezekiel Kalipeni --- Geography and African Studies, University of Illinois at Urbana-Champaign,Malawi, a very poor country located in southern Africa, is no exception to the growing trend and severity in HIV prevalence. By the end of 2003 there were 900 000 adults and children in Malawi living with HIV/AIDS. Adult prevalence... -
The experiences of Batswana families regarding hospice care of AIDS patients in the Bophirima district, North West province, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: M. F. Makhele F. M. Mulaudzi [d121e25]The HIV/AIDS pandemic put significant strain on healthcare services in the country. Hospitals were no longer coping with the escalating number of AIDS patients. This resulted in the early discharge of patients, with some patients, too ill to be nursed... -
Measuring change in vulnerable adolescents: Findings from a peer education evaluation in South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sharlene Swartz [d63e18] Charles Deutsch Mokhantšo Makoae Barbara Michel James Hamilton Harding Gabrielle Garzouzie Amanda Rozani Toby Runciman Ingrid Van der HeijdenIntroduction: In the context of poverty and HIV and AIDS, peer education is thought to be capable of providing vulnerable youth with psychosocial support as well as information and decision-making skills otherwise limited by scarce social and material resources. As... -
Feasibility and acceptability of continuous at-home glucose monitoring during pregnancy: a mixed-methods pilot study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Alastair van Heerden --- Human Sciences Research Council, South Africa Şefki Kolozali --- University of Essex, United Kingom Shane A Norris --- University of the Witwatersrand, South Africa -
DNA barcoding of five economically important freshwater fish species from the Nile River, Sudan
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Asma Mahmoud Hamza --- University of Kassala, Sudan Amna Taj Elsir Mahjoub Mohammed --- University of Kassala, SudanThe study was conducted to barcode five freshwater fish species obtained from Nile River tributaries (the Atbara River and the Blue Nile), in March 2019, using analysis of partial CO1 gene sequences. Fish samples were identified morphologically as Nile perch... -
The first description of the nest and egg of the Long-billed Forest-warbler Artisornis moreaui with additional notes on the breeding of the Red-capped Forest-warbler A. metopias
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jasson John --- University of Dar es Salaam, Tanzania Edigar Apolinary --- , Tanzania Emmanuel Mgimwa --- , TanzaniaWe present the first description of the nest and egg of the Long-billed Forest-warbler Artisornis moreaui recently discovered in Nilo Nature Forest Reserve, Tanzania. Two subspecies are recognised: the nominate one, endemic to East Usambara Mountains in northeastern Tanzania, and... -
Movement and growth of the spotted gully shark Triakis megalopterus in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann --- Oceanographic Research Institute (ORI), South Africa GL Jordaan --- Oceanographic Research Institute (ORI), South Africa WN Dalton --- Oceanographic Research Institute (ORI), South Africa R Daly --- Oceanographic Research Institute (ORI), South Africa M Soekoe --- Reel Science Coalition, South Africa WM Potts --- Rhodes University, South Africa MJ Smale --- Zoology Department and Institute for Coastal and Marine Research, Nelson Mandela University, South Africa L Swart --- Fisheries and the Environment (DFFE), South AfricaThe movement and growth of spotted gully sharks Triakis megalopterus (family Triakidae) along the coast of South Africa were investigated using external dart tagging. Of a total of 7 211 sharks tagged, 657 (9.1%) were recaptured over a 37-year period,... -
Afrocentric triple helix: A communal perspective on addressing Africa’s economic and social challenges
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Motolani Agbebi --- University of Tampere, Finland Jianing Song --- University of Manchester, UK Aminu Mamman --- University of Manchester, UK Nabil Baydoun --- Academic Affairs, Vice Chancellor Office, Hamdan Bin Mohammed Smart University, United Arab EmiratesThat collaboration has always been the foundation of human development as well as the coping strategy of some animal species is a view widely shared by scholars. In fact, no individual, organization or nation can produce everything it needs without... -
Assessment of regenerative hospitality
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jannah Kreb --- Stenden University of Applied Sciences, The Netherlands Wichard Zwaal --- Stenden University of Applied Sciences, The NetherlandsThis article addresses the lack of practical tools for assessing regenerative hospitality in hotels. The study provides a systematic approach to developing a practical tool to assess and promote regenerative practices in the hospitality industry. The literature review identified seven... -
Serpulid diversity of coralligenous build-ups in the southwestern Ionian Sea
Item type: Journal Article • Journal: African Zoology • Authors: Rossana Sanfilippo --- University of Catania, Italy Gemma Donato --- University of Catania, Italy Francesco Sciuto --- University of Catania, Italy Adriano Guido --- University of Calabria, Italy Mara Cipriani --- University of Calabria, Italy Valentina Alice Bracchi --- University of Milano-Bicocca, Italy Alfio Viola --- University of Catania, Italy Daniela Basso --- Consorzio Nazionale Interuniversitario per le Scienze del Mare (CoNISMa), Italy Antonietta Rosso --- University of Catania, ItalyCoralligenous build-ups in the Ionian Sea off southeastern Sicily, Italy, first discovered about 20 years ago, were recently studied as part of the Italian FISR project ‘CresciBluReef’. Coralligenous build-ups are a priority habitat in the Mediterranean Sea, yet their origin... -
Assessment of compliance level with the International Labor Organization child labour utilization regulation: Evidence from cassava farmers in Osogbo ADP Zone, Osun State, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lateef Olatunbosun Jimoh --- Osun State University, Nigeria Timothy Olusola Agboola --- Osun State University, Nigeria Olaide Kamila Akintunde --- Osun State University, Nigeria Kaothar Modupe Idris-Adeniyi --- Osun State University, Nigeria Francis Oluwadamilare Ajayi --- Osun State University, Nigeria Festus Adelekan Oyeniyi --- Osun State University, NigeriaInvestigating the compliance level of International Labor Organization (ILO) regulation on child labour use among cassava farming households in Osogbo ADP Zone, Osun State, Nigeria, the study determines the factors influencing child labour usage among cassava farmers in the study... -
The movements of adult leerfish Lichia amia in the Breede Estuary, Western Cape, South Africa: insights from acoustic telemetry
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Kilian --- Rhodes University, South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JD Filmalter --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TF Næsje --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa RJ Wasserman --- Rhodes University, South AfricaLeerfish Lichia amia inhabit estuaries as juveniles before moving between estuaries and the marine environment as sub-adults and adults. While adults remain mostly in the marine environment, philopatry has been observed, with individuals returning to areas previously used, including estuaries... -
Ngabe iziLimi zoMdabo zaseNingizimu Afrika zikulungele ukuthi kufundiswe ngazo? Ukuhunyushelwa esiZulwini kwencwadi yamaKhono eMpilo
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Erick Nkululeko Nzimande --- University of South Africa, South AfricaUkusetshenziwa kweziLimi zaboMdabo zaseNingizimu Afrika njengezilimi zokufundisa ezikoleni nasemfundweni ephakeme kuyinto esicwaningwe ngabacwaningi abaningi. Kodwa-ke ocwaningweni oselwenziwe luncane kakhulu olubheka ukuthi zikhona yini izinsizakufunda ezizokwenza ukufundisa ngalezi zilimi kube yimpumelelo. Ngakho-ke inhloso yalolu cwaningo ukuhlaziya ukuhunyushwa kweNcwadi kaThisha yamaKhono eMpilo... -
Philosophical and ideological intertextual resonances in OK Matsepe and Vonani Bila’s selected poems
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Nelson Ratau --- University of Mpumalanga, South Africa James Seanego --- University of Limpopo, South AfricaThis article explores the philosophical and ideological intertextual resonances between OK Matsepe’s Ge wa ditšhila ka moka re ka o hlaswa and Vonani Bila’s The Toilet Cleaner at OR Tambo Airport. It argues that the two poems share thematic, ideological,...
