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The Effects of Phosphorus and Dolomitic Lime on the Production and Volumetrical Conversion Factors of Eucalyptus grandis Wood
Item type: Journal Article • Journal: South African Forestry Journal • Authors: S.V. Valeri --- , Brazil I.B. Aguiar --- , Brazil L. Corradini --- , Brazil S.F. Alvarenga --- , BrazilThe effects of phosphorus and dolomitic lime applications on the stacked wood volume, dry wood weight and form, bark and stacking factors of Eucalyptus grandis Hill ex Maiden trees are presented. The rates of phosphorus (0 kg, 200 kg and... -
The origin of textural lamellae in Quaternary coast sands of Natal
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L.P. van Reeuwijk --- , The Netherlands J.M. de Villiers --- Department of Soil Science and Agrameteorotogy,A new concept of the formation of textural subsoil lamellae has been developed on the basis of their morphology in aeolian coastal deposits in Natal. It has been concluded that they are initiated somewhere at depth in the profile by... -
The effect of particle-size distribution on the suitability of sandy soils for sports fields
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Nel --- Department of Soil Science, Republic of South AfricaThe compaction of the topsoil layer of sports fields can modify soil properties such as permeability, resistance to root penetration, aeration and water-holding capacity. The feasibility of predicting these properties from particle size distribution parameters of sandy soils was investigated... -
Die oplosbaarheid en mobiliteit van kalk in sand
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H. v.H. van der Watt --- Departement Grondkunde en Plantvoeding,Die oplosbaarheid, diffusie en loging van twee kalktipes is in 'n suiwer sandmedium bestudeer. Deur van sand gebruik te maak is die kompliserende effek van die uitruilfase van grond geëlimineer. Die uitwerking van byvoegings van KCl, NH4Cl, Na2EDTA, organiese materiaal... -
Voorspelling van nitraatbeweging in 'n fynsandleemgrond gedurende die braakperiode met die Burnsmodel
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E.J. Haumann --- Departement van Grondkunde, Republiek van Suid-Afrika C.C. du Preez --- Departement van Grondkunde, Republiek van Suid-Afrika'n Eenvoudige model wat deur Burns (1974) ontwikkel is vir die voorspelling van nitraatbeweging in sandtot sandleemgronde is getoets. Verskillende nitraatverspreidingspatrone is in 'n fynsandleemgrond van 1,5-m diepte tot stand gebring waarna water met mikrobesproeiing toegedien is om nitraatbeweging te... -
Die invloed van golwende onderliggende paleosols op seisoenale fluktuasies van vrywatervlakke in eoliese sand van die noordwestelike Oranje-Vrystaat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. A.G. Henning --- Departement Plant en Bodemwetenskappe, Republiek van Suid-Afrika H. J. von M. Harmse --- Departement Plant en Bodemwetenskappe, Republiek van Suid-AfrikaDie resultate verkry gedurende hierdie ondersoek dui op akkumulasie van water in holtes van 'n golwende kleierige ondergrond onder oorliggende sand van eoliese oorsprong. Seisoenale veranderings in die diepte van watervlakke is die gevolg van seisoenale verspreidingspatrone van reënval. Die... -
Clay-substrate application to sandy open-cast mine soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G. Reuter --- Department of Soil Science and Plant Nutrition, GermanyThe review gives some insight into the objective of amelioration to improve fertility of sandy soils. The research concept is based on the high water and cation exchange capacity of clay minerals. Technological and economic problems as well as practicable... -
Improving seed germination of Stylosanthes guianensis by means of warm water treatment
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Erasmus --- Department of Agronomy, Republic of South Africa P.J. Pieterse --- Department of Agronomy, Republic of South AfricaThe effect of different warm water treatments on the dormancy of hard-coated Stylosanthes guianensis seeds was investigated. Light and dark coloured seeds were placed into water at different temperatures. Warm water treatments induced a large number of soft-coated seeds. The... -
Preliminary evaluation of the effectiveness of Rhizobium leguminosarum bv. viceae strains in nodulating hairy vetch (Vicia villosa) in the sandy soils of Zimbabwe
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Akinson Tumbure --- Soil Productivity Research Laboratory, Department of Research and Specialist Services, Zimbabwe Menas Wuta --- Department of Soil Science and Agricultural Engineering, Zimbabwe Farai Mapanda --- Department of Soil Science and Agricultural Engineering, ZimbabweHairy vetch (Vicia villosa Roth) is an introduced temperate forage legume in Zimbabwe that has no locally available commercial inoculant. In this study, Rhizobium leguminosarum bv. viceae strains MAR 1504, MAR 833 and MAR 346 available in Zimbabwe's strain bank... -
Reproduction and recruitment patterns of the surf clam Donax serra (Bivalvia, Donacidae) on two Namibian sandy beaches
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. Laudien T. Brey W. E. ArntzReproduction and recruitment of the surf clam Donax serra on two Namibian beaches were studied over a period of two years. Histological examination of the gonads indicated a discontinous annual reproductive cycle, related to monthly mean sea surface temperature. The... -
BREEDING BEHAVIOUR OF THE MPASA, OPSARIDIUM MICROLEPIS (GUNTHER) (PISCES:CYPRINIDAE), IN LAKE MALAWI
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D. Tweddle --- Fisheries Department, MalawiObservations on the breeding behaviour of mpasa, a commercially valuable cyprinid endemic to Lake Malawi, were conducted in the Bua and North Rukuru Rivers. The spawning run takes place over an extended period during and after the rains, with an... -
UNEXPECTED GROWTH OF PISTIA STRATIOTES IN SANYATI GORGE, LAKE KARIBA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: R.F. du Toit --- University Lake Kariba Research Station, ZimbabweDuring early 1984, the floating plant Pistia stratiotes grew unexpectedly and very rapidly in the Sanyati Gorge of Lake Kariba. Measurements of phosphorus and nitrogen in the surface waters revealed a pattern of nutrient concentrations along the gorge that could... -
SOME OBSERVATIONS ON THE FISH LIFE IN A SEASONAL SAND RIVER
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: B. C.W. van der Waal --- , , South AfricaFive fish species were collected in a seasonal sand river that had migrated upstream more than 150 km from the permanent Limpopo River. The population structure indicated that mainly juveniles had taken part in this colonisation. No fish were collected... -
Livestock utilisation of grass species at different distances from water on both traditional cattle post and ranch management systems in Botswana
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WN Mphinyane NFG RethmanIndividual forage species were appraised in varying distances along transects radiating from the water points of the ranch and traditional cattle post management systems. Measurements of plant height were used to assess the degree of forage species utilisation by livestock... -
Rates of wood and dung disintegration in arid South African rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S.J. Milton --- FitzPatrick Institute, Republic of Soutli Africa W.R.J. Dean --- FitzPatrick Institute, Republic of Soutli AfricaDead shrubs lying on the soil surface in an arid shrubland in the southern Karoo have half‐lives of 9 to 18 years depending on wood density which varies among species. Dung pellets of sheep and springbok can remain intact on... -
Nodulation potential of four Trifolium repens cultivars under field conditions
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: PA Swanepoel --- Department of Agriculture: Western Cape, South Africa PR Botha --- Department of Agriculture: Western Cape, South Africa W Truter --- , South Africa AKJ Surridge-Talbot --- , South AfricaFour Trifolium repens (white clover) cultivars were evaluated under field conditions to determine the potential of these cultivars to sucessfully develop Rhizobium-associated root nodules. Nodulation of T. repens is often poor, because of suboptimal environmental conditions or absence of host-specific... -
Host plants of Osyris lanceolata (African Sandalwood) and their influence on its early growth performance in Tanzania
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: P.L. Mwang'ingo Z. Teklehaimanot L.L. Lulandala S.T. MwihomekeIdentification of the host plants of the hemi-parasitic African sandalwood (Osyris lanceolata) and the influence of some on its early growth performance was investigated at Image, Nundu, Sao Hill and Iringa in the southern highlands of Tanzania. The aim was... -
Nutrient levels of three Eucalyptus species/provenances, measured over four seasons in a trial along the sandy, dry, Cape West Coast of South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: F. Ellis --- Faculty of Forestry, A. van Laar --- Faculty of Forestry,Foliage nutrient content of 3 to 6-year old Eucalyptus species/provenances (E. camaldulensis, E. globulus and E. grandis x E. tereticornis) were analysed for eleven elements over a four-year period. The trial was planted on three sites, adjacent to each other,... -
The Practices of Apostolic Faith Healers in Mental Health Care in Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: James January --- University of Zimbabwe, Tholene Sodi --- University of Venda,This study aimed to understand and interpret faith healers' explanations of the aetiology and treatment of diseases and to canvass their views regarding collaboration between Western trained health care professionals and faith healers. Fifteen female and six male faith healers... -
Forgiveness and the Well-Being of Members of the South African National Defence Force (SANDF): A Process for Discussion
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gideon A.J. van Dyk --- Stellenbosch University,Africa is a continent of conflict, violence and war. South Africa, with a recent history of apartheid and current high percentage of crime is no exception. Members of the South African National Defence Force (SANDF) take part in peacekeeping operations... -
Narrative-Based Responses: Discrepant Experiences in Research among the ‡Khomani San
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Willy Nel --- North West University (Potchefstroom Campus), South AfricaIn this article data on narrative-based responses by two female ‡Khomani San community members were used to explore the presence of life design issues contained in that data. Data were analyzed thematically for discrepant experiences (Said, 2001). Findings suggest the... -
The Meaning of Emotion in the White Afrikaans Language Group: A Componential Emotion Theory Approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cara Jonker --- North-West University, Potchefstroom Campus, South Africa Althea van der Merwe --- North-West University, Potchefstroom Campus, South Africa Johnny Fontaine --- Gent University, Belgium Deon Meiring --- University of Pretoria, South AfricaThis study determined the meaning of emotion in a sample of white Afrikaans-speaking adults (n=120; males =32, females=88, age range =18–48+ years). Data were collected using the Meaning Grid (Scherer, 2005). The analysis examined the factor loadings of emotion words... -
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¨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... -
Exploring Expressive Sandwork as a Form of Psychosocial Care: A Case Study of a Vulnerable Adolescent
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Carien Lubbe-De Beer --- University of Pretoria, Imme Thom --- University of Pretoria,This paper explores the use of expressive sandwork as a form of psychological support for a youth with psychosocial vulnerability. A case study, which emanated from a community outreach project, is briefly described of a male black participant, from a... -
Piloting antiretroviral treatment in South Africa: the role of partnerships in the Western Cape's provincial roll-out
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca Hodes --- AIDS and Society Research Unit, South Africa Trude Holm Naimak --- , NorwayIn 1999, the government of the Western Cape Province, South Africa, entered into a partnership with Médecins Sans Frontières (MSF) to provide HIV treatment through public health clinics in the peri-urban settlement of Khayelitsha. From 2000 onwards, this partnership ran... -
Developing a protocol for managing the biophysical condition of a water management area: the Sabie catchment case study
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E van Wyk J Jaganyi B van Wilgen C Breen K Rogers D Roux F VenterRecent modification of the South African Water Law spells out fundamental changes for the way the country's water resources will be managed in the future. One of the most significant mandates is the establishment of Catchment Management Agencies (CMAs) and... -
Water policy in southern Africa: A brief synopsis of some of the macro driving forces
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AR TurtonThe water sector reforms that are underway in many parts of southern Africa are a manifestation of a global phenomenon. This is rooted in the human response to the undesirable consequences of development, and seeks to introduce the notion of... -
An assessment of the fish population of the lower reaches of the Sanyati River, Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W MhlangaThe fish population of the lower reaches of the Sanyati River was studied using multifilament gillnets and monthly sampling was conducted over 13 consecutive months. A total of 15 fish species belonging to seven families were collected and variations in... -
Fish assemblages in relation to environmental gradients along a small west African coastal basin, the San Pedro River, Ivory Coast
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Koné GG Teugels V N'Douba EP Kouamélan G Gooré BiPatterns of fish population composition were examined in the San Pedro River, Ivory Coast, in 2001 to assess whether distinct types of assemblage exist along longitudinal gradients within this small coastal basin. A total of 45 species was found: 28... -
The need for research and monitoring on the impacts of translocated sharptooth catfish, Clarias gariepinus, in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JA CambrayThe sharptooth catfish, Clarias gariepinus (Burchell, 1822), is a widespread African freshwater fish species which occurs naturally from the Nile to the Orange River. Through translocation aquaculturists, farmers, anglers and engineers have helped to extend its range into many South... -
The artisanal fishery of Metangula, Lake Malawi/Niassa, East Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JoséS Halafo RobertE Hecky WilliamD TaylorThe artisanal fishery of Metangula, on the remote Mozambique coast of Lake Malawi/Niassa, was studied for four months during the rainy season from December 1998 to March 1999. Catch, catch composition and fishing effort were determined for the most important... -
A preliminary assessment of the impact of alien rainbow trout (Oncorhynchus mykiss) on indigenous fishes of the upper Berg River, Western Cape Province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DJ Woodford ND ImpsonImpacts of alien rainbow trout (Oncorhynchus mykiss) on critically endangered Berg River redfin (Pseudobarbus burgi), Cape kurper (Sandelia capensis) and Cape galaxias (Galaxias zebratus) in the upper Berg River were investigated in terms of predation and spatial interactions. Trout stomach... -
Indigenous names of fish and fishing gear in the Cuvelai, Kavango and Caprivi regions of Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DanielO Okeyo George Mubita ThomasK Harris DagberthE Sahombu Josephat Namundjanga Samson Mulonga S KapirikaThis study discusses the local names of the inland fresh water fish species of the Cuvelai, Kavango and Caprivi regions of Namibia, in five indigenous languages: OshiWambo/OshiNdonga, RuKwangali, RuGciriku, SiLosi and SiSubia. It also discusses local names of the indigenous... -
Filial cannibalism in the Chestnut-backed Sparrow-lark Eremopterix leucotis
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Derek Engelbrecht --- Department of Biodiversity, University of Limpopo, South AfricaCannibalism is a rare event in passerines, especially filial cannibalism. Here I report on two instances of filial cannibalism observed in the Chestnut-backed Sparrow-lark Eremopterix leucotis in the Limpopo province, South Africa. In both instances it was only the females... -
Oiled and injured African penguins Spheniscus demersus and other seabirds admitted for rehabilitation in the Western Cape, South Africa, 2001 and 2002
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NJ Parsons LG UnderhillFollowing the Treasure oil spill incident in 2000 in which 19 000 African penguins Spheniscus demersus were oiled, there were no large spills in either 2001 or 2002. In spite of this, the Southern African Foundation for the Conservation of... -
The diet of the ragged-tooth shark Carcharias taurus Rafinesque 1810 in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ SmaleThe ragged-tooth shark Carcharias taurus is a large predator of inshore coastal waters in the Eastern Cape, South Africa. Born at about 1m long and attaining approximately 3m, stomach content analyses have shown that it feeds largely on teleosts and... -
Interactions between Zostera capensis, Callianassa kraussi and Upogebia africana: deductions from field surveys in Langebaan Lagoon, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Siebert GM BranchCallianassid sandprawns and eelgrasses have been postulated to have mutually negative effects on each other. The relationship between Callianassa kraussi and Zostera capensis was investigated in Langebaan Lagoon on the west coast of South Africa by correlative field surveys. Seven... -
Interactions between Zostera capensis and Callianassa kraussi: influences on community composition of eelgrass beds and sandflats
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Siebert GM BranchEelgrass beds have been postulated to support different faunal communities from unvegetated sandflats, in part because of the stabilisation of sediments in eelgrass beds and their destabilisation in sandflats due to bioturbation. More specifically, eelgrass beds have been hypothesised to... -
Fibre optic microarrays for the detection and enumeration of harmful algal bloom species
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DM Anderson D Kulis D Erdner S Ahn D WaltHarmful algal blooms (HABs) are a serious threat to coastal resources, causing impacts ranging from the contamination of seafood products with potent toxins to mortalities of wild and farmed fish and other marine animals. As the threat from HABs has... -
Enhanced detection levels in a semi-automated sandwich hybridisation assay using a peptide nucleic acid (PNA) signal probe
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Connell J Ray W Litaker P TesterA peptide nucleic acid (PNA) signal probe was tested as a replacement for a typical DNA oligonucleotide-based signal probe in a semi-automated sandwich hybridisation assay designed to detect the harmful phytoplankton species Alexandrium tamarense. The PNA probe yielded consistently higher... -
Abundance, biomass and species composition of nearshore fish assemblages in Ghana, West Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FKE Nunoo DB Eggleston CJ VanderpuyeMany of the world's fish populations are overexploited, including Ghana's fish resources. This study examines spatio-temporal trends in fish species composition in relation to biotic, abiotic and anthropogenic factors, towards achieving better-informed management of the beach-seine fisheries. Fishery-dependent data were... -
Observations of individual humpback whales utilising multiple migratory destinations in the south-western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PJ Ersts --- Center for Biodiversity and Conservation, USA C Pomilla --- Sackler Institute for Comparative Genomics, USA J Kiszka --- Observatoire des Mammifères Marins, France S Cerchio --- Sackler Institute for Comparative Genomics, USA HC Rosenbaum --- Center for Biodiversity and Conservation, USA M Vély --- , France Y Razafindrakoto --- Madagascar Country Program, Madagascar JA Loo --- Sackler Institute for Comparative Genomics, USA MS Leslie --- Sackler Institute for Comparative Genomics, USA M Avolio --- Barnard College, USAMovements of humpback whales Megaptera novaeangliae among breeding regions within the southwestern Indian Ocean are poorly understood. Understanding the relationships among breeding regions is critical for effective conservation and management strategies. Through systematic comparisons of molecular genotypes and both systematic... -
A first description of the artisanal shark fishery in northern Madagascar: implications for management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Robinson --- Department of Ichthyology and Fisheries Science, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South AfricaIn the past two decades, small, targeted artisanal shark fisheries have developed in the extreme north of Madagascar, largely in response to the shark fin trade. Few studies have been undertaken to assess the biological characteristics and impact of these... -
African sandalwood (Osyris lanceolata): Resource assessment and quality variation among populations in Tanzania
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: P.L. Mwang'ingo --- Silviculture Research Centre, Tanzania Z. Teklehaimanot --- School ofAgricultural and Forest Sciences, United Kingdom J.B Hall --- School ofAgricultural and Forest Sciences, United Kingdom L.L.L. Lulandala --- Department of Forest Biology, Faculty of Forestry and Nature Conservation, TanzaniaAfrican sandalwood (Osyris lanceolata) populations occurring in Tanzania were assessed to determine the current resource status and ascertain variation in quality existing among them. This will provide a guide inthe selection ofpopulations where conservation efforts and improvement programmes can be... -
Influence of the origin of stem cutting, season of collection and auxin application on the vegetative propagation af African Sandalwood (Osyris lanceolata) in Tanzania
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Z. Teklehaimanot --- School of Agricultural and Forest Sciences, UK P.L. Mwang'ingo --- Tanzania Forestry Research Institute, Tanzania A.G. Mugasha --- Department of Forest Biology, Faculty of Forestry and Nature Conversation, Tanzania C.K. Ruffo --- Tanzania Tree Seed Agency, TanzaniaAn investigation into the possibility of propagating O.lanceolata through stem cutting was carried out at Tanzania Tree Seed Agency, Iringa Zone, Tanzania. The aim was to test the potential of stem cuttings in providing an alternative/supplement to the use of... -
Spatial changes in forest cover on the KwaNibela Peninsula, St Lucia, South Africa, during the period 1937 to 2008
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: BM Corrigan --- Department of Botany and Plant Biotechnology, South Africa M Kneen --- Department of Geography, Environmental Management and Energy Studies, South Africa CJ Geldenhuys --- Department of Forest and Wood Science, South Africa B-E van Wyk --- Department of Botany and Plant Biotechnology, South AfricaThe KwaNibela Peninsula is situated in the northernmost region of Lake St Lucia in KwaZulu-Natal. It is covered by forest patches of either Sand Forest or Coastal Forest within the Maputaland Coastal Vegetation. The area and the forests are heavily... -
Dry season fish survival in isolated pools and within sand-beds in the Mzingwane River, Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JohnL MinshullFour isolated pools in the otherwise dry Mzingwane River, Zimbabwe, were sampled in December 1985 and a total of 4 547 specimens of 23 species were collected. The dominant species, by number, were Chiloglanis paratus, followed by Barbus toppini, Mesobola... -
Maturity, age and growth of Oreochromis karongae (Teleostei: Cichlidae) in Lakes Malawi and Malombe, Malawi
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Fanuel Kapute Emmanuel Kaunda Moses Banda Sinshuke MoriokaSize-at-50% maturity, age and growth, of Oreochromis (Nyasalapia) karongae ('chambo') in Lakes Malawi and Malombe were studied. Oreochromis karongae, a major component of the chambo species flock, attained 50% maturity at 225 mm TL in Lake Malawi and at 203... -
The artisanal fishery for East Coast rock lobsters Panulirus homarus along the Wild Coast, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Steyn PJ Fielding MH SchleyerEast coast rock lobsters Panulirus homarus are collected by the indigenous people of the Wild Coast, in the Eastern Cape, South Africa, and are sold to coastal hotels and holidaymakers. The South African government has proposed a small-scale commercial fishery... -
Review of the rescue, rehabilitation and restoration of oiled seabirds in South Africa, especially African penguins Spheniscus demersus and Cape gannets Morus capensis, 1983–2005
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AC Wolfaardt AJ Williams LG Underhill RJM Crawford PA WhittingtonSouth Africa is a global hotspot for oil pollution. The regional oiled seabird cleaning centre, the South African Foundation for the Conservation of Coastal Birds (SANCCOB), has handled over 50 000 seabirds from its inception in 1968 until 2005. The... -
Size distributions and sex ratios of sharks caught by Oman's artisanal fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AC Henderson --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman JL McIlwain --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman HS Al-Oufi --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman S Al-Sheile --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman N Al-Abri --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of OmanOman's fishery resources are exploited by artisanal and industrial fisheries, but the former accounts for almost 90% of landings. Within the artisanal fishery, sharks have traditionally been harvested for their flesh, but the development of a valuable export market for... -
Condensed tannins and saponin content in different plant parts of Stylosanthes scabra (Fitzroy) plants harvested from agro-ecologically different sites in Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JJ Baloyi T Acamovic M Odoardi N Berardo NT Ngongoni H HamudikuwandaThe objective of this study was to determine the proanthocyanidin (PA; condensed tannin) and saponin contents of different parts of Stylosanthes scabra (Fitzroy) plants harvested from five agro-ecologically different sites in Zimbabwe. Condensed tannins and saponin content of S. scabra... -
Female-biased mortality in African penguins
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Pichegru --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, Department of Zoology, South Africa NJ Parsons --- Southern African Foundation for the Conservation of Coastal Birds, South AfricaSex-biased mortality can increase the risk of extinction of threatened populations. Numbers of the endangered African penguin Spheniscus demersus are decreasing rapidly and the smaller size of females, associated with their higher foraging effort during the breeding season, may place... -
Assessing the ability of fodder beet (Beta vulgaris L. ‘Brigadier’) to absorb sodium from a soil irrigated with sodium-enriched water
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Philip A Myburgh --- Agricultural Research Council–Infruitec/Nietvoorbij, South Africa Carolyn L Howell --- Agricultural Research Council–Infruitec/Nietvoorbij, South AfricaA pot experiment was carried out to determine the sodium (Na) absorption ability of halophytic fodder beet (Beta vulgaris L. ‘Brigadier’) irrigated with water enriched to Na levels found in winery wastewater. Treatments comprised (1) soil without plants irrigated with... -
Antidepressant-induced sexual dysfunction
Item type: Journal Article • Journal: South African Family Practice • Authors: K Outhoff --- Department of Pharmacology, South AfricaDepression and sexual dysfunction are both common in the general population. When they co-exist they have the potential to impact negatively on each other in a bidirectional manner. Medication used to treat depression may cause additional problems with the sexual... -
The pharmacology of anxiolytics
Item type: Journal Article • Journal: South African Family Practice • Authors: K Outhoff --- Department of Pharmacology, South AfricaGiven that anxiety disorders are common and chronic and often co-morbid with both medical and psychiatric conditions, effective and safe anxiolytic drugs are in great demand. Serotonergic agents, in particular the selective serotonin reuptake inhibitors and serotonin and noradrenaline reuptake... -
Use of traditional medicine versus use of the community-based primary health care clinic by the San community at Platfontein
Item type: Journal Article • Journal: South African Family Practice • Authors: GF De Jager --- Department of Family Medicine, Faculty of Health Sciences, EAM Prinsloo --- Department of Family Medicine, Faculty of Health Sciences, G Joubert --- Department of Biostatistics, Faculty of Health Sciences,Introduction: Working amongst a San community led to the observation that, despite the availability of modern healthcare, high mortality and morbidity associated with disease, such as dehydration, malnutrition and tuberculosis, still prevailed. This study aimed to determine how traditional beliefs... -
The pharmacology of anxiolytics
Item type: Journal Article • Journal: South African Family Practice • Authors: K Outhoff --- Department of Pharmacology, South AfricaGiven that anxiety disorders are common and chronic and often co-morbid with both medical and psychiatric conditions, effective and safe anxiolytic drugs are in great demand. Serotonergic agents, in particular the selective serotonin reuptake inhibitors and serotonin and noradrenaline reuptake... -
Pinus patula and pine hybrid hedge productivity in South Africa: a comparison between two vegetative propagation systems exposed to natural infection by Fusarium circinatum
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Craig M Ford --- Sappi Forests, Shaw Research Centre, South Africa Nicoletta B Jones --- Sappi Forests, Shaw Research Centre, South Africa Paxie WC Chirwa --- Department of Plant Production and Soil Science, South AfricaIn response to the Fusarium circinatum pine pathogen threat in southern Africa, research has been conducted on the development of F. circinatum-tolerant P. patula and P. patula hybrids. The objective of this study was to investigate the propagation potential of... -
Changes in the trophic structure, abundance and species diversity of exploited fish assemblages in the artisanal fisheries of the northern coast, Senegal, West Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: I Ndour --- Institut Sénégalais de Recherches Agricoles [ISRA]/Centre de Recherche Océanographique de Dakar-Thiaroye [CRODT], Sénégal F Le Loc'h --- Institut de Recherche pour le Développement [IRD], Laboratoire des sciences de l'Environnement Marin [UMR 6539 LEMAR] (Centre national de la recherche scientifique [CNRS], France J Kantoussan --- Université Gaston Berger [UGB], Sénégal M Thiaw --- Institut Sénégalais de Recherches Agricoles [ISRA]/Centre de Recherche Océanographique de Dakar-Thiaroye [CRODT], Sénégal HD Diadhiou --- Institut Sénégalais de Recherches Agricoles [ISRA]/Centre de Recherche Océanographique de Dakar-Thiaroye [CRODT], Sénégal JM Ecoutin --- Institut de Recherche pour le Développement [IRD], Sénégal L Tito de Morais --- Institut de Recherche pour le Développement [IRD], Laboratoire des sciences de l'Environnement Marin [UMR 6539 LEMAR] (Centre national de la recherche scientifique [CNRS], France OT Thiaw --- L'Institut Universitaire de Pêche et d'Aquaculture [IUPA], SénégalThis work investigates the effects of changes in both fishing pressure and the environment on the trophic dynamics, abundance and diversity of species in the artisanal commercial fisheries off the northern coast of Senegal. Using artisanal commercial fishing data (provided... -
Effect of production site, storage duration, and hot water and molybdenum dips on bioactive compounds with antioxidant properties in lemon flavedo during cold storage
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nhlanhla Mathaba --- School of Agricultural, Earth and Environmental Sciences, South Africa John P Bower --- School of Agricultural, Earth and Environmental Sciences, South Africa Isa Bertling --- School of Agricultural, Earth and Environmental Sciences, South AfricaCertain bioactive compounds, such as vitamin E (α-tocopherol), vitamin C (ascorbic acid), β-carotene, polyphenols (e.g. flavonoids and flavonones, viz. hesperidin and naringin) have antioxidant properties and their presence in the citrus flavedo plays a significant role in mitigating oxidative stress,... -
Preliminary study on the culture and breeding of Bulinus nyassanus (Mollusca: Pulmonata) under laboratory conditions
Item type: Journal Article • Journal: African Zoology • Authors: Mary Lundeba --- Aquaculture and Fisheries Science Department, Malawi Jeremy S. Likongwe --- Aquaculture and Fisheries Science Department, Malawi Henry Madsen --- DBL Institute for Health Research and Developmemnt, Denmark Jay R. Stauffer --- School of Forest Resources, Penn State University, U.S.A.We successfully artificially cultured and bred Bulinus nyassanus, endemic to Lake Malawi and an intermediate host of Schistosoma haematobium. The laboratory culture of this snail species is essential in relation to further experiments on the feasibility of using facultative snail-eating... -
The effect of bait collectors on stocks of Callichirus kraussi and Upogebia species in Langebaan Lagoon
Item type: Journal Article • Journal: African Zoology • Authors: Pierre Nel --- West Coast National Park, South Africa George M. Branch --- Zoology Department, South AfricaThe effects of collecting prawns (Callichirus and Upogebia spp.) in Langebaan Lagoon as bait were assessed in 1999–2001 and in 2012–2013. Langebaan Lagoon (part of West Coast National Park and a Marine Protected Area) is divided into three zones. One... -
Preliminary evaluation of the impact of invasive smallmouth bass Micropterus dolomieu on native fish abundance in the Witte River, Cape Floristic Region, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Jeremy M. Shelton --- Department of Biological Sciences, South Africa Jenny A. Day --- Department of Biological Sciences, South Africa N. Dean Impson --- CapeNature Scientific Services, South AfricaThe impact of invasive smallmouth bass, Micropterus dolomieu, on the abundance of two native fish species, Breede River redfin, Pseudobarbus burchelli, and Cape kurper, Sandelia capensis, was investigated in the Witte River tributary of the Breede River in South Africa’s... -
Microsatellite markers for population genetic studies of the rock firefinch, Lagonosticta sanguinodorsalis
Item type: Journal Article • Journal: African Zoology • Authors: Jacinta Abalaka --- Department of Genetics, South Africa Bengt Hansson --- Department of Biology, SwedenWe identified the first set of microsatellites for use in the rock firefinch (Lagonosticta sanguinodorsalis). First, we tested existing passerine microsatellite loci for cross-species amplification success in a small sample of rock firefinches and identified 10 loci that were seemingly... -
High population connectivity and Pleistocene range expansion in the direct-developing plough shell Bullia rhodostoma along the South African coast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Muteveri --- Evolutionary Genomics Group, Department of Botany and Zoology, South Africa CA Matthee --- Evolutionary Genomics Group, Department of Botany and Zoology, South Africa RCK Bowie --- Museum of Vertebrate Zoology and Department of Integrative Biology, USA S von der Heyden --- Evolutionary Genomics Group, Department of Botany and Zoology, South AfricaPleistocene climatic and oceanographic changes have influenced the distribution of marine biodiversity in southern Africa. Most evidence, however, has been derived from rocky shore or demersal taxa; data on sandy shore species are limited, despite severe threats to many sandy... -
Food and wine pairing: A new approach
Item type: Journal Article • Journal: • Authors: Peter Klosse --- Academie voor Gastronomie, Hotel Gastronomique De Echoput, Hoog Soeren, NetherlandsFlavour can be assessed objectively with the use of the newly developed flavour styles theory. In this approach, flavour is structured on the parameters contracting mouthfeel, coating mouthfeel and flavour richness. The result is the flavour styles cube. The eight... -
Ons is Boesmans: commentary on the naming of Bushmen in the southern Kalahari
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: William F. Ellis --- Centre for Humanities Research, South AfricaThis paper examines academic debates about the nomenclature of the San in light of recent ethnographic data. Academic debates centre around two aspects: the apparent complicity of the term “bushman” in construing the San as lower on the hierarchy of... -
A criminological assessment on South African women who murdered their intimate male partners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anni Hesselink --- Department of Criminology and Security Science, South Africa Pearl Dastile --- Department of Criminology and Security Science, South AfricaThis study aimed to unravel the offence-specific factors to murder by females of their intimate male partners. Participants were 15 South African women prison inmates serving sentences for murdering their male partners (age range from 22 years to 62 years)... -
Shipwreck survivor camps: A neglected terrestrial component of maritime archaeology in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Elizabeth van Tonder --- Department of Anthropology and Archaeology, South AfricaIn South Africa there has been limited systematic investigation of shipwreck survivor camps as an archaeological phenomenon. In most cases these sites are investigated purely as an adjunct to work on the associated wreck. The aim of this paper is... -
Succession to Bogosi among the Batlhako ba Matutu in a changing dispensation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: RD Coertze --- School of Law, University of South Africa, FC de Beer --- Department of Anthropology and Archaeology,Dealing with a succession dispute among the Batlhako ba Matutu required a study of their politico-administrative structure, their marriage rules and procedures, as well as the genealogical succession of their senior traditional leaders since 1830. Research findings disclosed traditional rules... -
Title: between N!a†xam and tibi. A case study of tuberculosis and the Ju/'hoansi in the Tsumkwe region, Namibia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, Estelle Oosthuysen --- , NamibiaIn academic literature and the media, knowledge of the Ju/'hoansi San of Namibia is often either valorised or problematised. In this case study of tuberculosis in a small village in Tsumkwe district, which we call Dune and Low Dune, all... -
Silencing the past: historical and archaeological colonisation of the Southern San in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Michael Francis --- Athabasca University, I University Drive, CanadaThe San of the Drakensberg are assumed to be extinct. Yet, there are Zulu-speaking people in the Drakensberg who still identify as San. These people and their claims both challenge the preconceived notions of what it means to be San... -
‘Vote for real people’: the making of Griqua and Korana identities in Heidedal
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Piet Erasmus --- Department of Anthropology,Since the first European settlements in what is now South Africa, various factors have, over centuries, contributed to the near destruction of the social structures, cohesion and identities of the broader Khoekhoe and San communities of the country. The last... -
An ‘historic victory’ for the Basarwa in Botswana?: Reading the evidence
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Emile Boonzaier --- Department of Anthropology and Sociology,In late 2006 ‘the Basarwa’ won a landmark case against the Botswana government, returning their rights to continue living in the Central Kalahari Game Reserve (from which they had been ‘forcibly’ removed). The case attracted massive media attention, both in... -
Surfing in the sandy-beach whelk Bullia digitalis (Dillwyn)
Item type: Journal Article • Journal: African Zoology • Authors: A.C. Brown --- Department of Zoology, South AfricaA brief, integrated summary is presented of published and unpublished work relevant to surfing (swash riding) in intertidal members of the genus Bullia (Caenogastropoda), together with previously unreported investigations of the specific gravity of B. digitalis and the directional control... -
Otolith features and growth of juvenile Opsaridium microcephalum (Pisces: Cyprinidae) from the southwestern shoreline of Lake Malawi
Item type: Journal Article • Journal: African Zoology • Authors: Shinsuke Morioka --- Department of Aquaculture and Fisheries Science, Bunda College of Agriculture, MalawiSanjika, Opsaridium microcephalum, were collected from two sites (Nkhotakota and Chia) along the southwestern shoreline of Lake Malawi. The sagitta of the otolith was arrowhead-shaped with an obvious nucleus. Increments in the sagittae were observable until the bases of the... -
Micro-scale heterogeneity of spiders (Arachnida:Araneae) in the Soutpansberg, South Africa: a comparative survey and inventory in representative habitats
Item type: Journal Article • Journal: African Zoology • Authors: S.H. Foord --- Department of Biological Sciences, South Africa M.M. Mafadza --- Department of Biological Sciences, South Africa A.S. Dippenaar-Schoeman --- Biosystematics Division, University of Pretoria, South Africa B.J. Van Rensburg --- Centre for Invasion Biology and Department of Zoology and Entomology, South AfricaCoarse-scale studies that focus on species distributions and richness neglect heterogeneity that may be present at finer scales. Studies of arthropod assemblage structure at fine (1 × 1 km) scales are rare, but important, because these are the spatial levels... -
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,... -
Effect of temperature on growth, survival and reproduction of Bulinus nyassanus (Smith, 1877) (Mollusca: Gastropoda) from Lake Malawi
Item type: Journal Article • Journal: African Zoology • Authors: Godfrey K. Kubirizajournal --- Department of Zoology, Faculty of Science, Uganda Henry Madsen --- Mandahl Barth Research Centre for Biodiversity and Health, DBL Centre for Health Research and Development, Faculty of Life Sciences, Denmark Jeremy S. Likongwe --- Aquaculture and Fisheries Science Department, Bunda College of Agriculture, Malawi Jay R. Stauffer Jr --- School of Forest Resources, U.S.A. Jeremiah Kang????Ombe --- Aquaculture and Fisheries Science Department, Bunda College of Agriculture, Malawi Fanuel Kapute --- Aquaculture and Fisheries Science Department, Bunda College of Agriculture, MalawiBulinus nyassanus, endemic to Lake Malawi, is an intermediate host for Schistosoma haematobium and plays an important role in transmission of this parasite along some shorelines on the Nankumba Peninsula in the southern part of the lake. Density of B... -
Thermal optimum: time, intimacy and the elemental in the first thousand days of life
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Fiona C. Ross --- Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South Africa Nicholas Eppel --- Plumstead, South Africa“Thermal Optimum” is a collaboration between photographer Nicholas Eppel and anthropologist Fiona C. Ross. Focusing on pregnancy and early childhood, we sought a way to open questions about how the “hard facts” of biology are given force and presence through... -
Visual interruptions: a reflection on “Thermal optimum: time, intimacy and the elemental in the first thousand days of life”
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kharnita Mohamed --- Department of Social Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South AfricaIn this commentary, Kharnita Mohamed critically assesses Fiona C. Ross and Nicholas Eppel’s photo essay, “Thermal Optimum: Time, Intimacy and the Elemental in the First Thousand Days of Life.” The essay is published alongside this commentary. -
Casts, bones and DNA: interrogating the relationship between science and postcolonial indigeneity in contemporary South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Katharina Schramm --- Institute of Social and Cultural Anthropology, GermanyThis paper discusses the articulation and complex enactment of postcolonial indigeneity, commonly referred to as Khoesan revivalism in contemporary South Africa. Through a close examination of the “substances of indigeneity,” i.e. body casts, human remains and DNA, it interrogates the... -
Claiming Cape Town: towards a symbolic interpretation of Khoisan activism and land claims
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rafael Verbuyst --- African Studies Centre Leiden, The NetherlandsCurrent political negotiations in South Africa which explore the possibility of pre-1913 land claims and the recognition of Khoisan traditional authorities have spurred the growth of the “Khoisan revival”: the phenomenon of people identifying as Khoisan and asserting indigenous rights... -
An index of waste: humanitarian design, “dignified living” and the politics of infrastructure in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Peter Redfield --- Department of Anthropology, United States of America Steven Robins --- Department of Sociology and Social Anthropology, South AfricaThis article develops a framework for thinking about waste as an index that signals a relational position within contested, historically layered conceptions of human order. It follows two contrasting frameworks for thinking about sanitation infrastructure: a quest to redesign the... -
Unconsolidated sediment distribution patterns in the KwaZulu-Natal Bight, South Africa: the role of wave ravinement in separating relict versus active sediment populations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AN Green --- Geological Sciences, School of Agricultural, Earth and Environmental Sciences, South Africa CF MacKay --- Oceanographic Research Institute, South AfricaThis paper examines the distribution of unconsolidated sediment in the KwaZulu-Natal Bight located along the east coast of South Africa. Results show that there is a general shelf-wide sediment distribution of coarser grain sizes between depths of 60 and 100 m,... -
A new galago species for South Africa (Primates: Strepsirhini: Galagidae)
Item type: Journal Article • Journal: African Zoology • Authors: Fabien Génin --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa Ayabulela Yokwana --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa Nokuthula Kom --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South Africa Sébastien Couette --- Ecole Pratique des Hautes Etudes, Laboratoire Paléobiodiversité et Evolution and UMR uB CNRS 6282 “Biogéosciences”, France Thibault Dieuleveut --- Emirates Center for Wildlife Propagation, Morocco Stephen D Nash --- , USA Judith C Masters --- African Primate Initiative for Ecology and Speciation, Department of Zoology and Entomology, South AfricaThe primate fauna of South Africa has historically been viewed as comprising three diurnal cercopithecoid taxa – chacma baboons (Papio ursinus), vervet (Chlorocebus pygerythrus) and samango monkeys (Cercopithecus albogularis) – and two nocturnal lorisoid species – the thick-tailed greater galago... -
Influence of temperature, aluminium chloride toxicity and exposure to Bacillus subtilis on the germination of okra
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Matsobane T Mathiba --- Department of Agriculture and Animal Health, South Africa Khayalethu Ntushelo --- Department of Agriculture and Animal Health, South Africa Fhatuwani Mudau --- Department of Agriculture and Animal Health, South AfricaInfluences of heat, aluminium chloride concentration and exposure to Bacillus subtilis on germination of okra seed were investigated. A factorial experiment was conducted using Petri dish assays, and seed germination percentage and coleoptile length were recorded for the different treatments... -
Sand-mediated divergence between shallow reef communities on horizontal and vertical substrata in the western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SN Porter --- Oceanographic Research Institute, South Africa GM Branch --- Marine Research Institute and Department of Biological Sciences, South Africa KJ Sink --- Marine Programme, South African National Biodiversity Institute, Centre for Biodiversity Conservation, South AfricaDistinctions are rarely made between vertical and horizontal surfaces when assessing reef community composition, yet physical differences are expected because of hydrodynamic differences and sediment accumulation on flat surfaces. As sand often diminishes biotic cover, we hypothesised that vertical surfaces... -
Distribution, abundance and population structure of Hexaplex trunculus and Bolinus brandaris (Gastropoda: Muricidae) in offshore areas of the Gulf of Gabès, southern Tunisia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Elhasni --- Institut National des Sciences et Technologies de la Mer, Tunisia P Vasconcelos --- Instituto Português do Mar e da Atmosfera, Portugal K Dhieb --- Institut National des Sciences et Technologies de la Mer, Tunisia H El Lakhrach --- Institut National des Sciences et Technologies de la Mer, Tunisia M Ghorbel --- Institut National des Sciences et Technologies de la Mer, Tunisia O Jarboui --- Institut National des Sciences et Technologies de la Mer, TunisiaThe banded murex Hexaplex trunculus and purple dye murex Bolinus brandaris are frequently caught as bycatch by bottom trawlers operating in the Gulf of Gabès, southern Tunisia. Although these muricid gastropods might importantly constitute an additional source of income for... -
Ghost crab burrow density at Watamu Marine National Park: An indicator of the impact of urbanisation and associated disturbance?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HFR Hereward --- School of Animal, Rural and Environmental Sciences, UK LK Gentle --- School of Animal, Rural and Environmental Sciences, UK ND Ray --- School of Animal, Rural and Environmental Sciences, UK RD Sluka --- A Rocha Kenya, KenyaGhost crab (Ocypode species) burrow densities have previously been used as an indicator of anthropogenic impact. This study aimed to assess the burrow density of Ocypode species (O. ryderi and O. cordimanus) at four sites across Watamu Marine National Park,... -
The decline of an urban Hooded Vulture Necrosyrtes monachus population in Dakar, Senegal, over 50 years
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Wim C Mullié --- , Senegal François-Xavier Couzi --- Société d’Etudes Ornithologiques de la Réunion, France Moussa Sega Diop --- AfriWet Consultants, Senegal Bram Piot --- Cité Ndiatte Almadies, Senegal Theo Peters --- Royal Netherlands Embassy, Senegal Pierre A Reynaud --- 275 Rue Robert Schuman, France Jean-Marc Thiollay --- 2 Rue de la Rivière, FranceAs in many West African cities, in Dakar Hooded Vultures Necrosyrtes monachus have always been characteristic urban scavengers. The recent decline of Hooded Vultures in other parts of Africa, mainly eastern Africa, has been the reason in 2015 for up-listing... -
Traces and tracks
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Paul Weinberg --- Centre for African Studies, South AfricaIn this photo essay, well-known photographer Paul Weinberg traces three decades of work on the San in Southern Africa. It is a body of work that has long grappled with the divergence between mythologised versions of the San and the... -
A reflection on Paul Weinberg’s book “Traces and tracks”
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kharnita Mohamed --- Department of Social Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South AfricaIn this essay, Kharnita Mohamed responds to the book from which Paul Weinberg’s photo essay stems. -
A new species of Scolecoseps (Reptilia: Scincidae) from coastal north-eastern Mozambique
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Luke Verburgt --- , , South Africa Ursula K. Verburgt --- , , South Africa William R. Branch --- , South AfricaSeven specimens of Scolecoseps Loveridge, 1920 from the vicinity of Palma on the north coast of Mozambique are compared morphologically with other known material of this genus. The new material can be distinguished morphologically from all other Scolecoseps by the... -
Geochemistry, heavy mineral and sedimentological analyses of potential reservoir sand samples from Kolmani River-1 well, Northern Benue Trough, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: S. A. Adekola --- Department of Geology, Nigeria A. Akinlua --- Fossil Fuels and Environmental Geochemistry Group, Department of Chemistry, Nigeria T. R. Ajayi --- Department of Geology, Nigeria T. A. Adesiyan --- Department of Geology, Nigeria D. O. Ige --- Department of Geology, NigeriaForty ditch cutting samples were worked on, twenty each for trace elements and sedimentological analyses. A few of these samples were selected for the analysis of heavy minerals within the Bima sandstone and shale sandstone units. The samples were obtained... -
Development of a stand density management diagram for Santalum album plantations in Karnataka, India
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vindhya Prasad Tewari --- Himalayan Forest Research Institute, India Baragur N Diwakara --- Forest Biometry Division, Institute of Wood Science and Technology, IndiaStand density management diagrams are average stand-level models that graphically display the relationship between stand yield, density, height and diameter throughout the various stages of forest development in even-aged stands. These are useful tools for designing, displaying and evaluating alternative... -
Photovoltaic performance prediction in Northern Nigeria using generated typical meteorological year dataset
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olayinka S. Ohunakin --- The Energy and Environment Research Group (TEERG), Mechanical Engineering Department, Nigeria Muyiwa S. Adaramola --- Faculty of Environmental Sciences and Natural Resource Management, Norway Olanrewaju M. Oyewola --- Department of Mechanical Engineering, Nigeria Richard O. Fagbenle --- Department of Mechanical Engineering, Nigeria Damola S. Adelekan --- The Energy and Environment Research Group (TEERG), Mechanical Engineering Department, Nigeria Jatinder Gill --- Ph.D Research Scholar, IKGPTU, Kapurthala, India Fidelis I. Abam --- Energy, exergy and environment research group (EEERG), Department of Mechanical Engineering, NigeriaRelevant meteorological files are needed by simulation software to assess the energy performances of buildings or efficiency of renewable energy systems. This paper adopts the Sandia method to generate typical meteorological year (TMY), using a 35-year hourly measured meteorological dataset... -
Female Faces in Informal ‘Spaces’: Women and Artisanal and Small-scale Mining in sub-Saharan Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Gavin Hilson --- Surrey Business School, United Kingdom Abigail Hilson --- School of Management, Royal Holloway, United Kingdom Agatha Siwale --- , Roy Maconachie --- Centre for Development Studies, United KingdomThis paper critically examines how women employed in artisanal and small-scale mining (ASM) – low-tech mineral extraction and processing – in sub-Saharan Africa could be affected by moves made to formalize and support their activities under the Africa Mining Vision... -
The effect of crushed plastics waste on the structural properties of sandcrete blocks
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: J. O. Akinyele --- Department of Civil Engineering, Nigeria I. O. Toriola --- Department of Civil Engineering, NigeriaThe need for proper disposal of plastic waste has prompted researchers to consider the best way of recycling this non-biodegradable material. This research has looked into the production of sandcrete blocks, using shredded waste plastic in replacing fine aggregate at... -
Plumage development and moult in captive Black-bellied Sandgrouse Pterocles orientalis: age and sex variations
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mohamed Aourir --- Department of Biology, Faculty of Sciences, Morocco Mohammed Znari --- Department of Biology, Laboratory «Biodiversity and Ecosystem Dynamics», Faculty of Sciences – Semlalia, Morocco Mohamed Radi --- Department of Biology, Laboratory «Biodiversity and Ecosystem Dynamics», Faculty of Sciences – Semlalia, MoroccoThe sandgrouse, family Pteroclididae, are a group of birds adapted to open, arid habitats and powerful fliers but information on their plumage development and moult is scarce. In this study, the annual cycle of body plumage development, sequence and duration... -
Why defaecate on your doorstep? Investigating an unusual behaviour in Africa’s smallest falcon
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Billi A Krochuk --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Diana Bolopo --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Anthony M Lowney --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Paul R Meyers --- Department of Molecular and Cell Biology, South Africa Claire N Spottiswoode --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Rajendra MG Raman --- Department of Zoology, UK Robert L Thomson --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaDepositing faeces at the nest should be expected to carry risks such as increased parasite loads and disease exposure. This perplexing behaviour is unusual in birds but is consistently shown by a handful of species, and has been demonstrated to... -
Evaluating parents for cane yield in sugarcane breeding using best linear unbiased prediction analysis of progeny data derived from family plots
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ntombokulunga W Mbuma --- South African Sugarcane Research Institute, South Africa Marvellous Zhou --- South African Sugarcane Research Institute, South Africa Rouxlene van der Merwe --- Department of Plant Sciences, South AfricaThe success of sugarcane breeding is determined by the choice of parents, crosses made and progeny testing. The objectives of this study were to use best linear unbiased prediction (BLUP) to evaluate parents using progeny data obtained from family plots... -
The effect of fire history on soil nutrients and soil organic carbon in a semi-arid savanna woodland, central Namibia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Elise Nghalipo --- Department of Agriculture and Natural Resources Sciences, Namibia Dave Joubert --- Department of Agriculture and Natural Resources Sciences, Namibia Heather Throop --- School of Earth and Space Exploration and School of Life Sciences, USA Alexander Groengroeft --- Institute of Soil Science, GermanyFire is an integral part of savanna ecosystems that has shaped these systems since the Miocene. Substantial uncertainty about fire effects in semi-arid ecosystems exists. Fire may affect ecosystem productivity directly through nutrient volatilisation, increased mineralisation and altering organic matter... -
Nutrient status of sandy soils in smallholder areas of Zimbabwe and the need to develop site-specific fertiliser recommendations for sustainable crop intensification
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Gabriel Soropa --- Department of Environmental Sciences and Technology, Zimbabwe Justice Nyamangara --- Department of Environmental Sciences and Technology, Zimbabwe Ermson Z Nyakatawa --- Department of Crop Science and Post Harvest Technology, ZimbabweSustainable crop intensification in sub-Saharan Africa cannot be achieved if farmers cultivate inherently infertile soils that are deficient in key essential nutrients, such as nitrogen and phosphorus. Most smallholder farmers in sub-Saharan Africa are resource-constrained and apply suboptimal fertiliser amounts,... -
Impact of health, water and sanitation as key drivers of economic progress in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Obaka Abel Inabo --- Department of Economics, Nigeria Noman Arshed --- Department of Economics, PakistanThis study examined the role of quality of health, water and sanitation as key drivers of economic progress, with a focus on Nigeria from 1990 to 2015. The indicators considered were economic progress (GDP per capita), health (infant mortality rate),... -
Genomic resources for the spotted ragged-tooth shark Carcharias taurus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JD Klein --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South Africa AE Bester-van der Merwe --- Molecular Breeding and Biodiversity Group, Department of Genetics, South Africa ML Dicken --- KwaZulu-Natal Sharks Board, South Africa A Emami-Khoyi --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South Africa KL Mmonwa --- KwaZulu-Natal Sharks Board, South Africa PR Teske --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South AfricaGenomic data can be a useful tool in the management and conservation of biodiversity. Here, we report the development of genomic resources for the spotted ragged-tooth shark Carcharias taurus using genome-wide DNA data from Illumina next-generation sequencing. We explored two... -
The attitudes of riparian communities to the presence of water hyacinth in the Wouri River Basin, Douala, Cameroon
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SN Kenfack Voukeng --- Department of Zoology and Entomology, South Africa P Weyl --- Department of Zoology and Entomology, South Africa MP Hill --- Department of Zoology and Entomology, South Africa N Chi --- Watershed Task Group Coordinator (WTG), CameroonSince publication of the first record of Eichhornia crassipes in Cameroon in 1997, the weed has become highly invasive in the Wouri River Basin. Between June and September 2014, a socio-economic survey using participatory and qualitative methods was undertaken in... -
Opportunities for improved sustainability in house building: The case of Dar es Salaam
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Raine Isaksson --- Department of Engineering Sciences, Sweden Oluwayomi Babatunde --- School of Construction Economics and Management, South AfricaThe combination of a growing population and economic development in Africa will form strong drivers for building growth. Buildings drive energy consumption and carbon emissions. On the material side, cement is the driver for cost and carbon emissions. A cement... -
Horizon scanning for alien predatory crabs: insights from South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Swart --- Department of Botany and Zoology, South Africa TB Robinson --- Department of Botany and Zoology, South AfricaDue to the presence of few dominant predators on South African rocky shores, this coastline could be vulnerable to invasion by predatory crabs. This study applied horizon scanning to create an ordered watch list of alien crab species that could... -
Spatial distribution, seasonal abundance and exploitation status of shark species in Kenyan coastal waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BK Kiilu --- Kenya Fisheries Services, Kenya B Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, Kenya RM Oddenyo --- Coral Reef Conservation Project, Kenya P Thoya --- Kenya Marine and Fisheries Research Institute, Kenya JM Njiru --- Kenya Marine and Fisheries Research Institute, KenyaEfforts to conserve and manage shark populations are often hampered by a lack of basic data, such as species-specific landings and distribution ranges. We bridge this gap in coastal East Africa by providing data on the distributions, catch rates, morphometrics,... -
Nutrient fluxes from sediments pose management challenges for the Knysna Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LRD Human --- South African Environmental Observation Network, Elwandle Coastal Node, South Africa R Weitz --- Department of Botany, Institute for Coastal and Marine Research, South Africa BR Allanson --- Knysna Basin Project, Department of Zoology and Entomology, South Africa JB Adams --- Department of Botany, Institute for Coastal and Marine Research, South AfricaThis study investigated seasonal dynamics of benthic nutrient fluxes using in situ benthic chambers deployed over a 24–hour period at the sediment water interface for four distinct regions of the Knysna Estuary. The sediment in the Upper Estuary, Lagoon and... -
Comparative methods for predicting cyanide pollution in artisanal small-scale gold mining catchment by using logistic regression and kriging with GIS
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: L. C. Razanamahandry --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso P. M. Digbeu --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso H. A. Andrianisa --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso H. Karoui --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso J. Podgorski --- Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Switzerland E. Manikandan --- UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories (U2AC2N), College of Graduate Studies, South Africa M. Maaza --- UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories (U2AC2N), College of Graduate Studies, South Africa H. Yacouba --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina FasoIt has been reported that persistent cyanide pollution occurs in artisanal small-scale gold mining (ASGM) catchment areas in Burkina Faso. In the present study, logistic regression (LR) and Regression Kriging (RK) methods were applied to predict cyanide pollution hazard at... -
Blackwater processing via vermifiltration: Worm-based toilet (wormlet) in the arid context of Burkina Faso
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mougabe Koslengar --- Laboratoire Eaux Hydro-systèmes et Agriculture (LEHSA), Burkina Faso Yacouba Konate --- Laboratoire Eaux Hydro-systèmes et Agriculture (LEHSA), Burkina Faso Harouna Karambiri --- Laboratoire Eaux Hydro-systèmes et Agriculture (LEHSA), Burkina FasoIn Burkina Faso, faecal sludge is mostly discharged into the environment untreated, with associated public health risks. Thus, sanitation technology that efficiently treats Blackwater (BW) in-situ is urgently required. This paper reports the design and testing of a proposed worm-based... -
Response of soil organic matter indices and fractions after 37 years of wheat production management practices in semi-arid South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T Motema --- , South Africa E Kotzé --- , South Africa PF Loke --- , South Africa CC du Preez --- , South AfricaThe current study evaluated the long-term response of soil organic matter (SOM) indices and fractions on wheat production management practices in the semi-arid region of South Africa. The treatments included three tillage methods (no-tillage, stubble mulch and ploughing), two residue... -
Ecosystem service values of sediment generation and entrapment by marginal coral reefs at Sodwana Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SCS Laing --- , South Africa MH Schleyer --- , South Africa JK Turpie --- , South AfricaCoral reefs provide a multitude of goods and services, some of which are difficult to value due to their intangible nature and the absence of markets to ascribe their relative worth. The coral reefs of Sodwana Bay on the northeast... -
“My Life is a Song”: A Conversation with Susan Kiguli
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Henri Oripeloye --- , Nigeria -
Quantifying the impacts of abrasion and bacterial transfer when fish are exposed to sand during a catch-and-release event
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RM Foster --- , South Africa A-R Childs --- , South Africa M Brooks --- , South Africa MW Farthing --- , South Africa EC Butler --- , South Africa WM Potts --- , South AfricaBest-practice guidelines to improve recreational fishers’ handling during catch-and-release (C&R) events are critical to improve the conservation and management of fish stocks worldwide. While best-practice research is growing, there are knowledge gaps, with the effects of sand exposure on fish... -
The impact of Covid-19 on gold and gemstone artisanal and small-scale mining in sub-Saharan Africa: The case of Ghana and Kenya
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Judy N. Muthuri --- , United Kingdom Aditya Jain --- , United Kingdom Arthur A. O. Ndegwa --- , Kenya Shadrack Mwakio Mwagandi --- , Kenya Naa Dedei Tagoe --- , GhanaArtisanal and small-scale miners are facing unprecedented challenges due to the novel coronavirus (Covid-19) pandemic. The paper adopts a practice-based approach to examine the impact of Covid-19 on gold and gemstone artisanal and small-scale mining (ASM) practices in sub-Saharan Africa... -
Waste Disposal Sites and Residential Rental Values Nexus: An Appraisal of Agogo Asante Akyem Dumps
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Peres Ofori --- , GhanaThe study, using regression and ANOVA, assessed the extent to which waste disposal sites impact residential rental values. The research collected data from both secondary and primary sources using a mixed method cross sectional survey. The linear hedonic price model... -
Evaluating Kenya’s coastal gillnet fishery: trade-offs in recommended mesh-size regulations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Osuka --- , Kenya JA Kawaka --- , Kenya MA Samoilys --- , KenyaGillnets are a widely used fishing gear in Kenya’s artisanal fisheries, yet their mesh sizes are inadequately monitored or regulated. This study evaluated the impacts of gillnets of seven stretched-mesh sizes, through comparative analysis of species-related metrics and catch per... -
Diet of the mullets Planiliza macrolepis and Moolgarda cunnesius in the Mfolozi-Msunduzi Estuary, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W Qwabe --- , South Africa DP Cyrus --- , South AfricaThe mullet species, Planiliza macrolepis and Moolgarda cunnesius, were collected seasonally from Mfolozi-Msunduzi Estuary on the east coast of South Africa in order to determine their diet. The gut contents of 178 fish with standard length (SL) ranging between 100... -
Prevalence of tungiasis in rural poor neighbourhood in Igbokoda, Ondo State, Nigeria
Item type: Journal Article • Journal: African Zoology • Authors: Okorie O Anyaele --- , Nigeria Victor N Enwemiwe --- , NigeriaThe sand flea, Tunga penetrans, causes tungiasis, the detrimental skin inflammation with the potential for bacterial co-infections. It is a neglected tropical disease common among the rural poor, especially communities along the coastlines in Southwest Nigeria. There are very few... -
Comparison of the particle size distributions of sediment collected from sandy seafloor using a Van Veen grab and cone dredge
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GM van der Heever --- , South Africa LJ Atkinson --- , South Africa CEO von der Meden --- , South AfricaSediment particle size is an important environmental parameter that influences benthic species composition and is frequently used in habitat and ecosystem classification systems. In South Africa, benthic grabs are regularly used to collect seafloor sediment samples for particle size analysis... -
Movement patterns and growth rate of the whitespotted wedgefish Rhynchobatus djiddensis in southern Africa based on tag-recapture data
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GL Jordaan --- , South Africa BQ Mann --- , South Africa R Daly --- , South Africa SW Dunlop --- , South Africa PD Cowley --- , South AfricaInformation on the movement ecology of endangered species is critical for the implementation of effective conservation measures. This study made use of a long-term dart tagging dataset to reveal the movement patterns and growth rates of two size classes of... -
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 Kotzé --- , South Africa Christiaan Cornelius du Preez --- , South AfricaThis 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... -
BRAF testing in a South African cohort of MLH1 deficient endometrial carcinomas: lessons learnt
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Reubina Wadee --- , South Africa Wayne Grayson --- , South Africa -
Abundance and distribution of plant-parasitic nematodes in tomatoes grown in a semi-arid agro-ecological zone in Tanzania
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Liberatus D Lyimo --- , Tanzania Jackline A Bakengesa --- , Tanzania Janeth D Mbuma --- , TanzaniaThe abundance and distribution of plant-parasitic nematodes (PPN) on tomato plants grown in nine villages in the semi-arid zones of Singida and Dodoma in Tanzania were assessed in December 2020. Samples from soil and plant roots were evaluated for abundance,... -
The names and naming of gannets comprising the genus Morus (family Sulidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian Koopman --- , South AfricaThe gannet species found in the northern hemisphere can be fully identified as the Northern Gannet Morus bassanus in the family Sulidae. This full identity reveals four historical themes which intertwine to produce a number of historical and current names... -
Nitrogen mineralisation and N2O emissions in pure and mixed-species plantations of Eucalyptus urograndis and Acacia mangium
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Felipe Martini Santos --- , Brazil Fabiano de Carvalho Balieiro --- , Brazil Danilo Henrique dos Santos Ataíde --- , Brazil Pedro Vaz da Rocha --- , Brazil Bruno JR Alves --- , Brazil Guilherme M Chaer --- , BrazilWe hypothesised that N inputs to the soil from residues of adult trees of Acacia mangium Willd. increase soil nitrate availability and consequently induce higher nitrous oxide (N2O) fluxes, irrespective of being in pure or mixed stands with Eucalyptus. A... -
Characteristics and sociocultural impacts of small pelagic fishing by migrant fishers in Benin, West Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Ahouansou Montcho --- Université Nationale d’Agriculture, Bénin KV Salako --- University of Abomey-Calavi, Benin FJ Chadare --- Université Nationale d’Agriculture (UNA), Benin SC Gnansounou --- University of Abomey-Calavi, Benin Z Sohou --- Institut de Recherches Halieutiques et Océanologiques du Bénin (IRHOB), Bénin P Failler --- University of Portsmouth, United Kingdom R Glèlè Kakaï --- University of Abomey-Calavi, Benin AE Assogbadjo --- University of Abomey-Calavi, BeninSmall pelagic fish species contribute substantially to the food security and livelihoods of local communities in developing countries. In West Africa, and particularly in Benin, small pelagic fisheries attract many migrant fishers who are key actors in the sector. This... -
Estimating the economic damage caused by jellyfish to fisheries in Morocco
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Mghili --- University Abdelmalek Essaâdi, Morocco M Analla --- University Abdelmalek Essaâdi, Morocco M Aksissou --- University Abdelmalek Essaâdi, MoroccoAlthough there is great fluctuation in annual recordings of jellyfish along the Moroccan Mediterranean coast and an absence of long-term datasets, there is a common perception that jellyfish numbers are rising. To better understand the possible economic losses sustained by... -
Maturity length, fecundity and spawning season of Atlantic chub mackerel Scomber colias in the coastal waters of Ghana (west-central Gulf of Guinea)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JE Kassah --- University of Cape Coast, Ghana J Blay --- Centre for Coastal Management (Africa Centre of Excellence in Coastal Resilience), University of Cape Coast, Ghana I Okyere --- University of Cape Coast, Ghana N Lazar --- University of Rhode Island, United StatesAspects of the reproductive biology of Atlantic chub mackerel Scomber colias are reported here based on data from random samples of artisanal fish landings from Ghana. The specimens were between 13.7 cm and 40.7 cm total length (TL), and both... -
Challenges to the integration of the Platfontein San in South Africa between 1990 and 2003
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Eldar Salakhetdinov --- University of South Africa, South AfricaThis article is based on a narrative case study that explores the controversy in the history surrounding the Platfontein San. During the South African border war, San soldiers joined the South African Defence Force in their fight against African liberation... -
The evaluation of immediate behavioural outcomes of the syndromic case management approach for the treatment of patients with sexually transmitted infections at PHC centres in South Africa: Knowledge, attitudes, beliefs and sexual behaviour
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Leickness Simbayi --- Behavioural and Social Aspects of HIV/AIDS, Human Sciences Research Council in South Africa, Anna Strebel --- Sekao-Headways Research Training and Development, Michelle Andipatin --- Department of Psychology, University of the Western Cape, Cheryl Potgieter --- Department of Psychology, Pretoria University, Kopano Ratele --- Psychology Department, University of the Western Cape, Nokuthula Shabalala --- Department of Psychology, University of the Western Cape, Tamara Shefer --- Women and Gender Studies Programme, University of the Western Cape, Tanya Wilson --- , South AfricaThis study aimed to determine the immediate behavioural outcomes of the WHO syndromic case management model for STIs in the public health sector in South Africa, on the levels of knowledge, attitudes and beliefs, and behavioural practices (KABPs) concerning STIs... -
L'ascenseur et l'escalier — la lutte contre le SIDA au Cameroun
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jacques-Philippe Tsala Tsala --- Department of Psychology, University of Yaoundé I and Catholic University of Central Africa, CameroonHIV/AIDS infection has spread like wildfire in the countries of sub-saharan Africa. In order to fight that pandemic, Cameroon has organised itself by setting up, with the assistance of bilateral and multilateral partners, a national structure with the aim to... -
Mother-to-child transmission of HIV and its prevention: awareness and knowledge in Uganda and Tanzania
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Gundel Harms --- Institute of Tropical Medicine, Charité-University Medicine Berlin, Katja Schulze [B0002] Ilaria Moneta --- International Health, Charité-University Medicine Berlin, Chris Baryomunsi [B0004] Paulina Mbezi [B0005] Gabriele Poggensee --- Department of Infectious Disease Epidemiology, Robert Koch Institute in Berlin,Awareness and knowledge about HIV mother-to-child transmission (MTCT) and preventive measures in different population groups and health personnel were analysed in future intervention areas in western Uganda and south-western Tanzania. In Uganda, a total of 751 persons (440 clients of... -
Social support and health behaviour in women living with HIV in KwaZulu-Natal
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Bernhard Gaede --- Emmaus Hospital, Sisana Majeke --- School of Nursing, University of KwaZulu-Natal, Rugira Regis Marie Modeste --- School of Nursing, University of KwaZulu-Natal, Joanne Rachel Naidoo --- School of Nursing, University of KwaZulu-Natal, Mokete Joseph Titus --- Department of Obstetrics and Gynaecology, Prince Mshiyeni Memorial Hospital in Umlazi, Leana R Uys --- College of Health Sciences, University of KwaZulu-Natal,The article explores the relationship between social support and health behaviour of rural and urban women who are living with HIV in South Africa. Our study was a descriptive survey of a group of pregnant and non-pregnant women living with... -
Poverty and HIV/AIDS in South Africa: an empirical contribution
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lerato Sonia Tladi --- Demography Section of the Social Aspect of HIV/AIDS (SAHA) Research Programme, Human Sciences Research Council,This study sets out to establish and explain the empirical link between HIV/AIDS and poverty using data collected by the 1998 South African Demographic and Health Survey (SADHS). Analysis is restricted to women of reproductive age (15 – 49 years)... -
Effect of exposure to clinic-based health education interventions on behavioural intention to prevent mother-to-child transmission of HIV infection
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jude Igumbor --- School of Health Sciences, University of Venda, South Africa Supa Pengpid --- National School of Public Health, University of Limpopo, South Africa Larry Obi --- University of Venda, South AfricaHIV and AIDS incidence among infants in South Africa is on the increase. The uptake of prevention of mother-to-child transmission (PMTCT) interventions is often said to be dependent on the beliefs and educational needs of those requiring PMTCT services. This... -
Evaluation of the Nigerian national antiretroviral (ARV) treatment training programme
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E Oni Idigbe --- Nigerian Institute of Medical Research (NIMR), Oluwole Odutolu --- World Bank/UNAIDS Global HIV/AIDS Monitoring and Evaluation Team (GAMET) and Harvard PEPFAR, Nigeria Prosper Okonkwo --- Harvard School of Public Health's President's Emergency Plan for AIDS Relief, Nigeria Morenike Folayan --- Department of Child Dental Health, Obafemi Awolowo University, Rosemary Audu --- University of Lagos, Nigeria Osagbemi Makanjuola --- Department of Geography and Planning, University of Jos, Nigeria Charles BR Uwakwe --- Department of Guidance and Counselling, University of Ibadan, Nigeria Oluwatoyin Jolayemi --- AIDS Prevention Initiative Nigeria (APIN),There is an understanding that greater availability of HIV treatment for the 40.3 million people currently infected with HIV is a humanitarian imperative that could prolong the lives of millions, restore economic productivity, and stabilise societies in some of the... -
Perceptions of acceptability and utility of microbicides in Ghana, West Africa: A qualitative, exploratory study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Amanda E Tanner --- Section of Adolescent Medicine, Indiana University School of Medicine,Vaginal microbicides, substances that may substantially decrease transmission of sexually transmitted infections (STI) including human immunodeficiency virus (HIV), are currently in clinical trials. They are being presented as woman-initiated prevention methods that have the potential to be used without partners'... -
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... -
Barriers and facilitators to patients' adherence to antiretroviral treatment in Zambia: a qualitative study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nawa Sanjobo --- Copperbelt University, Jan C Frich --- Research Unit for General Practice, University of Oslo, Atle Fretheim --- Preventive and International Health Care Unit, Norwegian Knowledge Centre for Health Services, NorwayPatients' adherence to antiretroviral therapy (ART) is important for effective medical treatment of HIV/AIDS. We conducted a qualitative interview study in the Copperbelt Province of Zambia in 2006. The aim of the study was to explore patients' and health care... -
Gender differences in university students' HIV/AIDS-related knowledge and sexual behaviours in Malawi: a pilot study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pierson RT Ntata --- Chancellor College, University of Malawi, Adamson S Muula --- Flinders University Medical School, Australia Seter Siziya --- Medical Biostatistics in the School of Medicine, University of Zambia, Edrinnie E Kayambazinthu --- English Department, Chancellor College, University of Medicine,A cross-sectional study was conducted among first-year university students in Malawi to determine distributions of HIV/AIDS related knowledge, and sexual behaviours. A total of 314 (199 male and 115 female) students were eligible to participate, and of these 221 (70.4%)... -
Considering childbearing in the age of highly active antiretroviral therapy (HAART): Views of HIV-positive couples
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Vezumuzi Ndlovu [CXX0001]Objectives: Based on a qualitative study conducted in Bulawayo, Zimbabwe, this article examines how the availability of HAART since April 2004 may impact the views and choices of HIV-positive couples on childbearing. Methods: In-depth interviews were conducted with 15 couples... -
Knowledge of HIV/AIDS and attitudes towards people living with HIV among the general staff of a public university in Malaysia
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Yvonne Tee --- Universiti Putra Malaysia, Malaysia Mary Huang --- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia , MalaysiaStigma and discrimination towards people living with HIV have been widely documented, and have extended their impact into the workplace. Stigmatising attitudes towards people living with HIV (PLHIV) in the workplace significantly hinder HIV prevention efforts and indirectly affect national... -
A comparison in HIV-associated stigma among healthcare workers in urban and rural Gujarat
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kartavya J Vyas --- University of California, Gulab R Patel --- Government Medical College, Deepak Shukla --- Surat New Civil Hospital ART Therapy Center, William C Mathews --- University of Southern California (USC),The present study measures levels of stigma within health care settings in urban and rural Gujarat, in an attempt to understand how this may have contributed to the state's increasing HIV incidence. Two sites were studied: a rural hospital in... -
Male circumcision and its association with HIV infection and sexually transmitted diseases: evidence from 18 demographic and health surveys in sub-Saharan Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Samson Gebremedhin --- Hawassa University, EthiopiaThe study aimed to assess the association between male circumcision and HIV infection and STDs. The issue is controversial as various studies reported conflicting findings. A cross-sectional comparative study based on the secondary data of 18 Demographic Health Surveys (DHS),... -
HIV/AIDS prisoners: a case study on quality of life in Roumieh, Lebanon
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Diala F Ammar --- Lebanese American University, Lebanon Heyam L El Zein --- Lebanese American University, Lebanon Neal El Jor --- Lebanese American University,Prisons often lack the basic health services required by HIV/AIDS patients. As with many other chronic illnesses, the treatment of HIV is expensive in terms of medication, hygiene, testing and staff training. Strategies to combat the disease have been thoroughly... -
HIV/AIDS knowledge, behaviour and beliefs among South African university students
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Preshani Reddy --- University of KwaZulu-Natal, Jose Frantz --- University of the Western Cape,Globally, South Africa has the highest prevalence of HIV/AIDS. In the absence of cure, prevention is the only available method to reduce HIV prevalence rates. This can only be obtained through behavioural change, which is associated with a good knowledge... -
Patients-to-healthcare workers HIV transmission risk from sharp injuries, Southern Ethiopia
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Biruck Desalegn [d204e18] Hunachew Beyene Ryo YamadaBackground: Accidental needlestick injury rate among healthcare workers in Hawassa is extremely high. Epidemiological findings proved the infectious potential of this injury contaminated with a Human Immunodeficiency Virus (HIV)-infected patient's blood. -
Social grants for people living with HIV and on antiretroviral therapy in KwaZulu-Natal, South Africa: a longitudinal study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Karl Peltzer [d231e18]The aim of this study was to assess the predictors of the receipt of a disability grant (DG) status and the impact of the DG on health outcomes of HIV patients and on antiretroviral therapy (ART) in a longitudinal study... -
HIV knowledge and health-seeking behavior in Zambézia Province, Mozambique
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Carolyn M. Audet [d209e19] Mohsin Sidat Meridith Blevins Troy D. Moon Alfredo Vergara Sten H. VermundHIV prevalence rates in Zambézia Province were estimated to be 12.6% in 2009. A number of educational campaigns have been aimed at improving HIV transmission and prevention knowledge among community members in an effort to reduce infection rates. These campaigns... -
Efficacy of a lay health worker led group antiretroviral medication adherence training among non-adherent HIV-positive patients in KwaZulu-Natal, South Africa: Results from a randomized trial
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Karl Peltzer [d77e18] Shandir Ramlagan Deborah Jones Stephen M. Weiss Henry Fomundam Lucia ChanetsaThere is a lack of theory-based randomized controlled trials to examine the effect of antiretroviral adherence in sub-Saharan Africa. We assessed the effectiveness of a lay health worker lead structured group intervention to improve adherence to antiretroviral therapy (ART) in... -
Perception of HIV/AIDS among the Igbo of Anambra State, Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Caroline Okumdi Muoghalu [d353e19] Samuel Ayodele JegedePerception is fundamental in the fight against stigmatization of people living with HIV/AIDS (PLHIV). Perception generally influences discriminatory attitudes towards PLHIV which exacerbates their problems and quickens the degeneration of the disease from HIV to AIDS. This study examined the... -
Experiences of sexual relationships of young black women in an atmosphere of coercion
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Frances Clüver [d373e18] Diane Elkonin Charles YoungNegotiations surrounding sexual activity are characterised by multiple power disparities that include race, social status and age, with gender being the most dominant differential in heterosexual interactions. Research has shown that women are physiologically more at risk of contracting HIV... -
Comparison of the health-related quality of life, CD4 count and viral load of AIDS patients and people with HIV who have been on treatment for 12 months in rural South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jude Igumbor [d348e18] Aimee Stewart William HolzemerThis study compared the level of CD4 count, viral load and health-related quality of life (HRQOL) between treatment-naïve AIDS patients and a cohort of people living with HIV who have been on treatment for 12 months. This study is based... -
Adolescent experiences of HIV and sexual health communication with parents and caregivers in Soweto, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Christine N. Soon --- , , Canada Angela Kaida --- , , Canada Busi Nkala --- , , South Africa Janan Dietrich --- , , South Africa Angela Cescon --- , Canada Glenda Gray --- , , South Africa Cari L. Miller --- , , CanadaCommunication about sexual health between parents and adolescents has been shown to have a protective influence on behaviours that reduce the risk of HIV transmission. This study explored experiences of HIV and sexual health (HSH) communication between parents and/or caregivers... -
Changes in sexual behaviour and practice and HIV prevalence indicators among young people aged 15–24 years in Zambia: An in-depth analysis of the 2001–2002 and 2007 Zambia Demographic and Health Surveys
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Joshua Kembo --- , South AfricaHIV and AIDS still pose a major public health problem to most countries in sub-Saharan Africa, Zambia included. The objective of the paper is to determine changes in selected sexual behaviour and practice and HIV prevalence indicators between 2001–2002 and... -
The social and gender context of HIV disclosure in sub-Saharan Africa: A review of policies and practices
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sarah Bott Carla Makhlouf Obermeyer [d314e29]This paper reviews the legal and policy context of HIV disclosure in sub-Saharan Africa, as well as what is known about rates, consequences and social context of disclosure, with special attention to gender issues and the role of health services... -
Rwandan young people's perceptions on sexuality and relationships: Results from a qualitative study using the ‘mailbox technique’
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kristien Michielsen --- , , Belgium Pieter Remes --- , Burkina Faso John Rugabo --- , Rwanda Ronan Van Rossem --- , , Belgium Marleen Temmerman --- , BelgiumThis study aimed to gain more insight into young Rwandans’ perceptions on sex and relationships, which is essential for formulating effective sexual and reproductive health (SRH) promotion interventions. Using a ‘mailbox technique’, this paper studies the spontaneous thoughts of Rwandan... -
Sexual and reproductive health perceptions and practices as revealed in the sexual history narratives of South African men living in a time of HIV/AIDS
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Erin Stern --- , , South Africa Asta Rau --- , , South Africa Diane Cooper --- , , South AfricaThe frequent positioning of men's sexual risk-taking as driving the HIV/AIDS epidemic in South Africa has triggered interest in men's sexual and reproductive health (SRH) perceptions, attitudes, and practices. Much research, however, presents men as a homogenous group, and focuses... -
‘You need to have some guts to teach’: Teacher preparation and characteristics for the teaching of sexuality and HIV/AIDS education in South African schools
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Dennis A. Francis --- , South Africa Renée DePalma --- , SpainUsing in-depth interviews, we asked sexuality educators in South Africa about their own professional preparation and what they believed were necessary educator characteristics for teaching Sexuality Education. Our findings show that our teachers taught Sexuality Education without any appropriate qualification... -
Zimbabwe's national AIDS levy: A case study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nisha Bhat --- , Peter H. Kilmarx --- , Freeman Dube --- , Albert Manenji --- , Medelina Dube --- , Tapuwa Magure --- ,Background: We conducted a case study of the Zimbabwe National AIDS Trust Fund (‘AIDS Levy’) as an approach to domestic government financing of the response to HIV and AIDS. -
‘Public enemy no. 1’: Tobacco industry funding for the AIDS response
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Julia Smith --- , , Canada Sheryl Thompson --- , , Canada Kelley Lee --- , , CanadaThis article analyzes the history of tobacco industry funding for the AIDS response – a largely ignored aspect of private donor involvement. Primary documents from the Legacy Tobacco Documents Library and AIDS organizations are analyzed, alongside existing literature on the... -
Difficulties facing healthcare workers in the era of AIDS treatment in Lesotho
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Masebeo Veronica Koto --- , South Africa Pranitha Maharaj --- , South AfricaSub-Saharan Africa is most affected by the AIDS pandemic and Lesotho is no exception. In many countries, healthcare workers are at the forefront of the fight against AIDS. This study explores the difficulties facing healthcare workers in Lesotho using a... -
How peer conversations about HIV/AIDS media messages affect comprehension and beliefs of young South African women
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E. Lubinga --- , , South Africa A.A. Maes --- , , The Netherlands C.J.M. Jansen --- , , South AfricaMost existent research on the effects of interpersonal discussions about health campaign messages is based on surveys. In this study, we analysed actual conversations about an HIV/AIDS poster to find out possible effects. Young South African women in 59 dyads... -
When the clinic becomes a home. Successful VCT and ART services in a stressful environment
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jonathan Mensah Dapaah --- , , Ghana Rachel Spronk --- , , The NetherlandsWith the upscaling of antiretroviral therapy (ART) in resource-poor countries, many HIV-positive persons in Ghana have been accessing treatment in hospitals. Prevalence is relatively low compared to other African countries, 1.30%. HIV/AIDS remains heavily stigmatised in Ghana, which influences the... -
‘I thought if I marry the prophet I would not die’: The significance of religious affiliation on marriage, HIV testing, and reproductive health practices among young married women in Zimbabwe
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Denise Dion Hallfors --- , USA Bonita J. Iritani --- , USA Lei Zhang --- , USA Shane Hartman --- , USA Winnie K. Luseno --- , USA Elias Mpofu --- , , Australia Simbarashe Rusakaniko --- , , ZimbabweThis study examines the association between religious affiliation and reasons for marriage, perceived church attitudes, and reproductive health-seeking behaviors, including HIV testing, among young women in eastern rural Zimbabwe. The sample comprised women (N = 35) who had married by 2012 while... -
Modelling self-assessed vulnerability to HIV and its associated factors in a HIV-burdened country
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: A. F. Fagbamigbe --- , , South Africa A. M. Lawal --- , , South Africa E. S. Idemudia --- , , South AfricaBackground: Globally, individuals’ self-assessment of vulnerability to HIV infection is important to maintain safer sexual behaviour and reduce risky behaviours. However, determinants of self-perceived risk of HIV infection are not well documented and differ. We assessed the level of self-perceived... -
Problematizing official narratives of HIV and AIDS education in Scotland and Zimbabwe
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Tarsisio Nyatsanza --- , , , South Africa Lesley Wood --- , , South AfricaWhen human immunodeficiency virus (HIV) and acquired immune deficiency syndrome (AIDS) are framed within an intersectional approach, they have the potential to transform understandings of social justice within the curriculum and education policy and practice in general. Yet, this transformative... -
Governance challenges in Ghana’s artisanal and small-scale mining (galamsey) sector: Is stakeholder interaction the way forward?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Issah Baddianaah --- University for Development Studies, Ghana Bernard Nuoleyeng Baatuuwie --- University for Development Studies, Ghana Abdul-Moomin Adams --- S.D. Dombo University of Business and Integrated Development Studies, GhanaArtisanal and small-scale mining (ASM) operations have surged in Ghana in recent years causing many environmental and social problems. The government has employed the military to eradicate illegal mining operations. However, despite the military’s countless efforts to clamp down on... -
On the Lp -sine moment-entropy inequality
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zi-Xin Cao --- Shaanxi Normal University, China Qingzhong Huang --- Jiaxing University, China Ai-Jun Li --- Zhejiang University of Science and Technology, ChinaIn this paper, we establish a sine version of the moment-entropy inequality due to Lutwak et al. [8]. Moreover, we show that this inequality is equivalent to the Lp -sine moment-entropy inequality recently established in [6]. -
Reimagining entrepreneurship in the artisanal and small-scale mining sector: Fresh insights from sub-Saharan Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Massaran Traoré --- University of Surrey, United Kingdom Gavin Hilson --- University of Surrey, United Kingdom Abigail Hilson --- University of Kent, United KingdomThis paper shares new insights on the dynamics of entrepreneurship in the artisanal and small-scale mining (ASM) sector, focusing on the case of sub-Saharan Africa. Despite being the region’s most important rural nonfarm activity, and generating finance that sustains a... -
“Feeling their way through their cultural roots”: theorising the Khoisan revivalist critique of authenticity from below
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rafael Verbuyst --- University of Gent, BelgiumAuthenticity is a longstanding concern in Khoisan Studies. Most scholarship has examined how stereotypical, essentialist and static notions of “authentic” Khoisan identity and culture are habitually reproduced and demanded of the Khoisan for economic or political gain. Recent work instead... -
Value-chain analysis of Kenya’s artisanal tuna fishery focusing on skipjack tuna Katsuwonus pelamis and kawakawa Euthynnus affinis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FA Mzingirwa --- Rhodes University, South Africa GM Okemwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya O Marcone --- , United Kingdom CS Bova --- Rhodes University, South Africa S Viana --- Rhodes University, South Africa WHH Sauer --- Rhodes University, South AfricaThis study investigates the value chain of Kenya’s artisanal tuna fishery targeting skipjack tuna Katsuwonus pelamis and kawakawa Euthynnus affinis. The study used an integrated approach combining a questionnaire survey and catch assessment data at four landing sites along the... -
Size structure and reproductive biology of skipjack tuna Katsuwonus pelamis and kawakawa Euthynnus affinis in the western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FA Mzingirwa --- Rhodes University, South Africa GM Okemwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya MW Farthing --- Rhodes University, South Africa CS Bova --- Rhodes University, South Africa JS Halafo --- Instituto Oceanográfico de Moçambique (InOM), Mozambique JG Mshana --- Sokoine University of Agriculture, Tanzania AA Abubakar --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya N Ishmael --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya WHH Sauer --- Rhodes University, South AfricaSkipjack tuna Katsuwonus pelamis and kawakawa Euthynnus affinis are economically important tuna species targeted by artisanal fishers in the western Indian Ocean. Both species are currently considered sustainably fished despite substantial catches. Even so, ongoing management is crucial to maintain... -
Tourism resilience in Iran: navigating sanctions, diplomacy and emerging opportunities
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Masood Khodadadi --- University of the West of Scotland, United KingdomThe re-election of Donald Trump as the 47th president of the United States in 2024 marks a significant shift in US-Iran relations, with far-reaching consequences for Iran’s tourism sector. This brief report examines the potential impact of Trump’s foreign policy,... -
The agriculture productivity puzzle: Capital deepening and agricultural productivity in China
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Shigui Du --- Universiti Malaya, Malaysia Angathevar Baskaran --- Universiti Malaya, Malaysia V. G. R. Chandran --- Universiti Malaya, MalaysiaThis study investigates how capital deepening influences agricultural productivity among peasant households in China, considering heterogeneity across household types and regions. Using data from the China Family Panel Survey, we find that land size is negatively associated with land productivity... -
V. Food hygiene and sanitation in infants and young children: a paediatric food-based dietary guideline
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Bourne LT [cor1] Pilime N --- United States Agency for International Development, Sambo M --- Environment and Health Research Unit, Medical Research Council, Behr A --- National Department of Health,This paper has three related aims. Firstly, it aims to profile the current food hygiene and safety needs of children under the age of five in South Africa. Secondly, to reflect the importance of domestic hygiene, access to water and... -
Effects of diamond mining on sandy beaches in southern Namibia – the use of Tylos granulatus (Isopoda: Oniscidea) as an indicator species
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hutchings --- , South Africa A Rees --- , South Africa A Pulfrich --- , South Africa BM Clark --- , South AfricaSandy beaches provide vital ecosystem services and support diverse ecological communities but are increasingly threatened by anthropogenic pressures. In particular, intertidal mining disrupts sandy beaches and challenges their resilience, yet these ecosystems retain some capacity for environmental recovery. This study... -
Simulated rangeland conditions and seasonal variations influence soil quality in semi-arid central South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JDJ Marx --- University of the Free State, South Africa E Kotzé --- University of the Free State, South Africa JJ van Tol --- University of the Free State, South Africa PF Loke --- University of the Free State, South AfricaThe study examined long-term effects of rangeland conditions and seasonal variations on soil quality without confounding grazing effects. Samples were collected seasonally from good, moderate, poor, bare and cultivated rangeland conditions at soil depths of 0–10 cm and analysed for... -
Body condition metrics and reproductive aspects of three spiny eels (Teleostei: Mastacembelidae) from littoral habitats in southern Lake Tanganyika
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Mabo --- Department of Agriculture and Aquatic Sciences, Kapasa Makasa University, Zambia APH Bose --- Department of Wildlife, Fish & Environmental Studies, Swedish University of Agricultural Sciences, Sweden B Mutale --- Department of Agriculture and Aquatic Sciences, Kapasa Makasa University, Zambia LH Haambiya --- Nsumbu Tanganyika Conservation Programme, Frankfurt Zoological Society, Zambia K Kunda --- Lake Tanganyika Research Unit, Department of Fisheries, ZambiaThe body condition metrics and reproductive aspects of three spiny eel species (Mastacembelus moorii, M. ellipsifer and M. cunningtoni) inhabiting littoral habitats in southern Lake Tanganyika were evaluated. As Mastacembelids are important in artisanal fisheries, the study aimed to provide...
