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Site Indicator Species for Predicting Productivity of Pine Plantations in the Southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G.N. Schafer --- Saasveld Forestry Research Centre,A means of predicting site potential for pine species in the Southern Cape based on 10 vegetation associations is presented. -
Ontogeny of Themeda triandra tillers in the false thornveld of the eastern cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture (Eastern Cape Region), A.J. Aucamp --- Department of Agriculture (Eastern Cape Region), L.P. Du Toit --- Department of Agriculture (Eastern Cape Region),Marked populations of Themeda triandra tillers were sequentially sampled at fortnightly intervals under normal conditions and without moisture stress respectively, covering a period from tiller initiation through to senescence after flowering. Parameters recorded were height of shoot apex, tiller mass,... -
Ontogeny of sporobolus fimbriatus tillers in the false thornveld of the Eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J E Danckwerts --- Department of Agriculture (Eastern Cape Region), A J Aucamp --- Department of Agriculture (Eastern Cape Region), L P Du Toit --- Department of Agriculture (Eastern Cape Region),Marked populations of Sporobolus fimbriatus tillers were sequentially sampled at fortnightly intervals under normal rainfall conditions and under irrigation respectively, covering a period from tiller initiation through to senescence after flowering. Parameters recorded included shoot apex elevation, tiller mass and... -
The effect of frequency of defoliation on themeda triandra in the false Thornveld of the Eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture and Water Supply (Eastern Cape Region), L.O. Nel --- Department of Agriculture and Water Supply (Eastern Cape Region),Tufts of Themeda triandra were subjected to different frequencies of defoliation during a single season under irrigated and non‐irrigated conditions. Frequent defoliation (> 5 times per year) severely reduced clipped yield on both moisture treatments. On irrigated treatments, root mass... -
Abnormalities of the growth point and ear of barley caused by 2,4-dichlorophenoxy acetic acid
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.W. Loubser --- Department of Agriculture and Water Supply, Republic of South Africa A. L.P. Cairns --- , Republic of South AfricaTreatment of barley plants with 2,4-D, when the main tiller apical meristem was in the late vegetative or double ridge stage, resulted in the production of various abnormalities including missing spikes, branched spikes, whorls of spikelets and paired spikelets instead... -
The effect of ridging on the soil water status of a waterlogged vineyard soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A. Myburgh --- , Republic of South Africa J.H. Moolman --- Department of Soil and Agricultural Water Science, Republic of South AfricaIn a field trial conducted in a vineyard on a low-lying hydromorphic soil, it was established that ridging increased the depth from the soil surface to the water table. Ridging did not lower the level of the water table, but... -
Ridging—a soil preparation practice to improve aeration of vineyard soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A. Myburgh --- , Republic of South Africa J.H. Moolman --- Department of Soil and Agricultural Water Science, Republic of South AfricaWaterlogged soil conditions during early spring can result in poor grapevine performance. In this study the effect of ridging as a method of soil preparation on the depth to the water table, soil air composition and vine reaction, as indicated... -
Effect of ridging on the temperature regime of a waterlogged vineyard soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A. Myburgh --- , Republic of South Africa J.H. Moolman --- Department of Soil and Agricultural Water Science, Republic of South AfricaWaterlogged conditions in hydromorphic soils during spring cause low temperatures which may restrict grapevine performance. Ridging is a soil preparation method that can improve internal drainage in the root zone. Temperature measurements showed that ridging tended to increase temperatures in... -
Extraction and electrophoretic separation of proteins from leaves of scions and rootstocks of Vitis cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E.W. le Grange --- , Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaProteins were extracted and separated by SDS-PAGE from leaves of scions and rootstocks of different Vitis cultivars. Banding patterns were used to identify the different cultivars after extraction of the proteins with a medium containing Tris-HCI (0.68 M, pH 7.8),... -
Use of solid waste bagasse from a paper mill as an organic amendment and its effect on some soil properties: a case study
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Hughes --- Soil Science, South Africa S. J.A. Girdlestone --- Soil Science, South AfricaAt a paper mill in KwaZulu-Natal, South Africa bagasse waste was disposed of by burying it in a layer resulting in variable sugar cane growth. The waste was mostly organic fibres, had a high water holding capacity, and contained small... -
Apparatus for non-destructive measurement of grapevine trunk cross-sectional area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A. Myburgh --- , South Africa F. Coetzee --- , South AfricaMeasuring sap flow in grapevine trunks, using the heat pulse velocity technique, requires accurate, non-destructive measurement of trunk cross-sectional areas. A profile measuring apparatus (PMA) was constructed to improve the accuracy of these measurements, particularly for irregular cross-sections. The low-cost... -
Fungicide sensitivity in Tapesia yallundae populations collected from 15 wheat fields in the Western Cape province of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K. Ntushelo --- Department of Plant Pathology, Republic of South Africa P.W. Crous --- Department of Plant Pathology, Republic of South AfricaIn the Western Cape province of South Africa, eyespot disease (Tapesia yallundae) of wheat is primarily controlled by fungicide applications. Previous studies have shown, however, that isolates of T. yallundae vary in their response to fungicides. In the present study,... -
Evapotranspiration of Vitis vinifera L. cvs Sunred Seedless and Muscat Supreme in response to soil water depletion and irrigation cutoff during berry ripening
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A. Myburgh --- , South Africa C.L. Howell --- , South AfricaThe effects of soil water depletion and irrigation cutoff during ripening on yield, quality and evapotranspiration (ET) of table grapes were studied to refine irrigation strategies needed during hot, dry summers. Six irrigation treatments were applied to two cultivars, viz... -
The effect of degree and duration of water saturation on selected redox indicators: pe, Fe2+ and Mn2+
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K. Smith --- Department of Soil, Crop and Climate Sciences, South Africa C.W. van Huyssteen --- Department of Soil, Crop and Climate Sciences, South AfricaIt was previously hypothesised that reduction in the soil will set in at 70% water saturation (S0.7). This study aimed to determine the effect of different degrees and durations of water saturation on reduction in soil. Reduction was measured as... -
Soil colour variation between topsoil and subsoil horizons in a plinthic catena on the Mpumalanga Highveld, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: JH van der Waals --- Department of Soil, Crop and Climate Sciences, South AfricaThe South African plinthic catena is characterised by a grading of soils from red through yellow to grey (bleached) soils down a slope. The colour sequence is ascribed to different Fe-minerals stable at increasing degrees of wetness. Soil survey data... -
Depth-stratified density estimates and distribution of the Cape hake Merluccius capensis and M. paradoxus off Namibia deduced from survey data, 1990–1999
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: L-M. BurmeisterIn this study demersal survey data for the period 1990–1999 are used to investigate the average distribution of the Cape hake Merluccius capensis and M. paradoxus off Namibia in terms of density and mean length. Further, biomass estimates are compared... -
Evaluation of a class of possible simple interim management procedures for the Namibian hake fishery
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. S. Butterworth H. F. GeromontDuring 1997, considerable scientific differences arose about the status of the Namibian hake (Merluccius capensis and M. paradoxus) resource, and as to whether the hake Total Allowable Catch (TAC) should be substantially decreased or increased. These differences revolved primarily around... -
Dynamics of the pelagic component of Namibian hake stocks
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: T. Iilende T. Strømme E. JohnsenA study was undertaken to investigate the spatial, diurnal and interannual dynamics of the pelagic component of Namibian hake stocks. Data were derived from trawl surveys conducted on board the R.V. Dr Fridtjof Nansen during the period 1991–1999. In addition... -
Trap selectivity and the effects of altering gear design in the South African rock lobster Jasus lalandii commercial fishery
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. S. Schoeman A. C. Cockcroft D. L. Van Zyl P. C. GoosenThe current trap fishery for the West Coast rock lobster Jasus lalandii in South African waters results in the capture, sorting and release of large numbers of undersized animals. Once removed from the water, they are vulnerable to damage from... -
GLM-based standardization of the catch per unit effort series for South African west coast hake, focusing on adjustments for targeting other species
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. P. Glazer D. S. ButterworthCatch per unit effort (cpue) data for the South African west coast Cape hakes Merluccius capensis and M. paradoxus were standardized by applying the Generalized Linear Modelling (GLM) technique. The resulting standardized series indicated that resource abundance declined at a... -
Assessment of the recreational linefishery in selected Eastern Cape estuaries: trends in catches and effort
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: P. Pradervand D. BairdBoat-based creel surveys were used to collect catch and effort data on the shore- and boat-based linefisheries of the Kromme, Gamtoos, Swartkops, Sundays, Bushmans, Kariega, Kowie and Great Fish estuaries in the Eastern Cape, South Africa, from January 1996 to... -
THE LENGTH/MASS RELATIONSHIP AND CONDITION OF LABEO CAPENSIS IN THE CALEDON RIVER
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.P. Baird --- Department of Zoology, South Africa S. Fourie --- Department of Zoology, South AfricaThe length mass relationship for a Labeo capensis population is described by the equation M = 0,0134 L2'999 where 2,999 represents a constant the value of which indicates isometric growth. There is very little difference between the length/mass relationship for... -
THE DISTRIBUTION AND ECOLOGY OF TWO MULLET SPECIES IN SOME FRESH WATER RIVERS IN THE EASTERN CAPE, SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: A.H. Bok --- Department of Nature and Environmental Conservation, South AfricaData on the relative abundance, penetration and breeding biology of the freshwater mullet Mugil cephalus and the flathead mullet Mugil cephalus in the freshwater reaches of some Eastern Cape coastal rivers are described. The differences found between the two species... -
POSSIBLE ADAPTIVE SIGNIFICANCE OF SEX RATIO AND SEXUAL DIFFERENCES IN SIZE AT MATURITY IN THE ORANGE RIVER LABEO, LABEO CAPENSIS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: I.G. Gaigher --- Department of Nature and Environmental Conservation, South Africa K. C.D. Hannnan --- Department of Nature and Environmental Conservation, South Africa S.C. Thorne --- Department of Nature and Environmental Conservation, South AfricaLabeo capensis spawns on inundated vegetation during flood periods. Suitable conditions for spawning are of short duration and do not allow time for extended breeding behaviour. The success of fertilisation is therefore probably independent of the size of males. This... -
FISH SPECIES IN STEIUTONTEIN DAN, TUGELA-VAAI SYSTEM, SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: W.G. Dörgeloh --- Nature Conservation Branch, Republic of South AfricaTwo alien species and seven indigenous species, including two minnow species, were present in Sterkfontein Dam. Of the larger species, Barbus aeneus and Labco capensis were the dominant in terms of numbers. -
THE EFFECTS OF TROUT-FARM EFFLUENTS ON BENTHIC INVERTEBRATE COMMUNITY STRUCTURE IN RIVERS IN THE SOUTH-WESTERN CAPE, SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: C.A. Brown --- Freshwater Research Unit, Zoology Department, J.M. King --- Freshwater Research Unit, Zoology Department,The south-western Cape is currently responsible for 45% of the total annual trout production in South Africa and further expansion of this industry in the region is likely. A preliminary survey of seven trout farms situated on the upper reaches... -
SOME ASPECTS OF THE REPRODUCTION BIOLOGY OF LABEO CAPENSIS (SMITH, 1941) (PISCES, CYPRINIDAE) IN RELATION TO EXPLOITATION AND EXTREME ENVIRONMENTAL CONDITIONS IN HARDAP DAM, NAMIBIA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: B.J. Van Zyl --- Department of Zoology, Research Unit for Aquatic and Terrestrial Ecosystems, South Africa C.J. Hay --- Department of Zoology, Research Unit for Aquatic and Terrestrial Ecosystems, South Africa G.J. Steyn --- Department of Zoology, Research Unit for Aquatic and Terrestrial Ecosystems, South AfricaThe sex ratio of Labeo capensisdid not differ significantly at a 95% confidence level from a 1♂:1♀, ratio during the study period. The smallest sexually mature male and female L. capensis were 20 cm and 21 cm FL, respectively. Fifty... -
RANGE EXTENSIONS FOR GALAXIAS ZEBRATUS CASTELNAU, 1861 (GALAXIIDAE), KROM AND GAMTOOS RIVER SYSTEMS, EASTERN CAPE.
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: J.A. Cambray --- , South Africa A. Bok --- East Cape Nature Conservation, South Africa R. Smith --- East Cape Nature Conservation, South AfricaThe distribution of the members of the Southern Hemisphere family Galaxiidae has intrigued biogeographers for some time. They are present in South America, Africa, Australia and New Zealand. There is only one species in Africa, the Cape galaxias (Galaxiaszebratus). Galaxias... -
Remote sensing and change detection in rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AnthonyR. Palmer Alex FortescueDuring the 20 th century, we have witnessed an improvement in the quality of imagery available for rangeland auditing, from the earliest mono-chromatic aerial photographs, followed by the first infra-red images, to the abundance of high resolution, multi-spectral imagery currently... -
Brushpiles and dung as rehabilitation patches: effect on soil resources in degraded succulent thicket, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WB Todkill GIH Kerley EE CampbellA substantial portion of the Thicket Biome in the Eastern Cape has been transformed by overgrazing. An experimental rehabilitation study of degraded succulent thicket was initiated to determine whether increasing the patchiness on the landscape would result in an increase... -
Effects of season and frequency of burning on soils and landscape functioning in a moist montane grassland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AD Manson D Jewitt AD ShortThe effects of burning on soil properties and landscape function were investigated in a long-term experiment comparing different burning strategies in a moist montane grassland. Total C, total N, total S, bulk density, plant-available nutrients, and soil acidity were determined... -
Habitat selection by large herbivores in relation to fire at the Bontebok National Park (1974–2009): the effects of management changes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T Kraaij --- Scientific Services, South Africa PA Novellie --- Conservation Services Division, PretoriaThe Bontebok National Park has long been faced with the dilemma of reconciling the need for short-interval fires, which promote grazing for bontebok, with that for longer-interval fires to maintain plant diversity. We explored habitat selection by various large herbivores... -
The relation between herbivore density and relative resource density at the landscape level: Kudu in semi‐arid savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C. Fabricius --- , Republic of South AfricaEcological theory can help range scientists to understand the determinants of ecological animal density or, in range management terms, ‘carrying capacity’. The relation between the relative density of resources and herbivore density is illustrated by regressions of the ecological density... -
Landscape-level differences in fire regime between block and patch-mosaicburning strategies in Mkuzi Game Reserve, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: CM Mulqueeny --- , South Africa PS Goodman --- , South Africa TG O'Connor --- School of Animal, Plant and Environmental Sciences, South AfricaPatch-mosaic burning (PMB) is commonly advocated to create a mosaic of fire regimes that is believed to be more beneficial for maintaining biodiversity than the relatively homogeneous environment produced by block burning. This premise was examined for the 23 651... -
Kraft Pulping Properties of Acacia mearnsii and Eucalyptus grandis Grown in Zimbabwe
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: A. Muneri --- , AustraliaPulpwood samples from 8-year old Acacia mearnsii and Eucalyptus grandis plantations grown in Zimbabwe were evaluated for kraft pulping, bleaching and papermaking properties. The possibility of co-pulping the two species was also investigated. -
Alternative Taper Curve Estimation Methods for Eucalyptus cloeziana (F. Muell.)
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: K. P.A. Eerikäinen --- Faculty of Forestry, Finland D. Mabvurira --- , Zimbabwe J. Saramäki --- ,Three types of taper estimation methods for Eucalyptus cloeziana were applied and compared by using Zambian and Zimbabwean plantation data. The methods are: (1) Schumacher's taper equation, (2) diameter prediction method and (3) polynomial taper curve. The Schumacher's taper equation... -
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,... -
Responsible Alcoholic Beverages Sales and Services Training Intervention in Cape Town: A Pilot Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council & University of Limpopo, Shandir Ramlagan --- Human Sciences Research Council, Louis Gliksman --- Center for Addiction & Mental Health,The aim of this study was to pilot a responsible beverage service intervention in order to reduce alcohol-impaired road use. The sample included 20 shebeens including 10 licensed and 10 unlicensed establishments chosen from a list of alcohol serving establishments... -
Rape and Trauma: A Case Study of a Journey of Recovery
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Maria Papaikonomou --- University of South Africa,This case study presents the results of a counselling intervention with a rape survivor. The woman was twenty-nine years old at the time of the violation. The objective of this study was to explore the dynamics which the woman engaged... -
Facilitation of Spatial Orientation Among Adolescents from a Disadvantaged Background
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chris Myburgh --- University of Johannesburg, Marie Poggenpoel --- University of Johannesburg, Glen van der Westhuizen --- University of Johannesburg,The study investigated structural and shape recognition in two to three dimensions by adolescents from a historically disadvantaged neighbourhood. Data on the spatial orientation of grade eight learners in a specific school were collected using specifically adjusted and developed tests... -
Hazardous Alcohol Use among Persons Living with Human Immunodeficiency Virus Infection in the Eastern Cape, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council & University of the Free State, Nancy Phaswana-Mafuya --- Human Sciences Research Council & University of the Western Cape, George Petros --- Human Sciences Research Council, South AfricaThe study assessed the prevalence of hazardous alcohol use among people living with HIV (PLHIV) and its correlates with socio-economic characteristics, disease variables and ART adherence in South Africa. The sample included 607 PLHIV (males =475, females =132; age range... -
A Cross-Cultural Exploration: Body Image in Older Black and White Women in the Workplace
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Helena Hewat --- University of Johannesburg, South Africa Marlene Arndt --- University of Johannesburg, South AfricaThis study investigated body image attitudes in a non-clinical sample of black and white older professional women in the workplace in South Africa. Participants were 125 professional women (white woman n=76 and black women n = 49). They completed the... -
The Male Rape Survivor: Possible Meanings in the Context of Feminism and Patriarchy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gertie Pretorius --- University of Johannesburg, South AfricaThis article covers a philosophical investigation into the possible meanings of rape for male survivors. The legal definitions of rape are investigated and the impossibility of male rape—from a legal, personal and social angle—described. An analysis of male rape in... -
The Influence of Mode of Test Administration on Test Performance
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anisha Bhoola-Patel --- University of the Witwatersrand, South Africa Sumaya Laher --- University of the Witwatersrand, South AfricaThis study examined the influence of mode of test administration (paper based or computer-based) on anxiety levels and test performance. Participants were 44 learners (males = 22, females = 22) from three schools in Johannesburg, South Africa who completed both... -
“I am doing okay”: Intrapersonal Coping Strategies of Children Living in an Institution
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kesh Mohangi --- University of Pretoria, South Africa Liesel Ebersöhn --- University of Pretoria, South Africa Irma Eloff --- University of Pretoria, South AfricaIn this case study, we utilized a Resilience framework and Sense of Coherence theory to understand how a group of children coped while living in an institution as a consequence of HIV/AIDS. We followed a qualitative and interpretivist approach. The... -
Teacher Reported Poverty Effects on Education Participation in a South African District
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sindiswa Stofile --- University of the Western Cape, Nora Linden --- Bergen University College, Rouaan Maarman --- University of the Western Cape,This study reports on teachers' perceptions of the effects of poverty on education participation in a district in the Eastern Cape Province in South Africa. Participants were 21 teachers (males = 10; females = 11) from seven schools (primary =5,... -
Victim Empowerment Programme in a Selected Municipality of the Eastern Cape, South Africa: Service Provider Perceptions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nancy Phaswana-Mafuya --- Human Sciences Research Council, South Africa Karl Peltzer --- Human Sciences Research Council, South Africa Gladys Mlambo --- Human Sciences Research Council, South Africa Seth Mkhonto --- Human Sciences Research Council, South Africa Cily Tabane --- University of the Witwatersrand,An exploratory qualitative study was conducted to assess service providers' perceptions of the Victim Empowerment Programme (VEP) with a focus on VEP knowledge, management, communication, empowerment, utilization and accessibility of services in a selected district of the Eastern Cape of... -
Community-Based Participatory Research a Low-Income Setting: An Illustrative Case of Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sandy Lazarus --- Medical Research Council, South Africa Naiema Taliep --- Medical Research Council, South Africa Abdulsamed Bulbulia --- University of South Africa, South Africa Shaun Phillips --- Hearts of Men, Mohamed Seedat --- University of South Africa, South AfricaThis article describes a community-based participatory research (CBPR) approach in a low-income setting. Using the SCRATCHMAPS project as a case example and with literature control, we show that CBPR is influenced by dynamics relating to knowledge and power, resources and... -
Exploring Perceptions of Xenophobia in a Sample of South African Employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elzabé Coetzee --- University of South Africa, South AfricaThis brief report aimed to explore the perceptions of xenophobia within a sample of South African employees. Data on participants' views regarding xenophobia, related xenophobic violence and causes were collected from 127 respondents (males=43%, females=57%, with the majority of respondents... -
Victimisation in the Lives of Lesbian-Identified Women in South Africa: Implications for Clinical Assessment and Treatment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Anita Padmanabhanunni --- University of the Western Cape, South Africa David Edwards --- Rhodes University, South AfricaFew clinical studies have examined victimisation in the lives of lesbian women in South Africa and whether there are distinct implications for psychological treatment. This paper presents the assessment and treatment of a lesbian-identified South African survivor of childhood sexual... -
Validating An Adapted Measure of Organisational Energy in the South African Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rowenna Erin Cuff --- University of Pretoria, South Africa Nicolene Barkhuizen --- North-West University, South AfricaThis study validated an adapted measure of organisational energy, namely the Energy Scapes Profile (ESP), in the South African context, considering also possible differences in perceptions of organisational energy by the participants' demographics. Participants were a convenience sample of 304... -
African Migrants' Experiences of Xenophobic Violence in South Africa: A Relational Approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shingairai Chigeza --- North-West University, Alda De Wet --- University of Limpopo, Vera Roos --- North-West University, Charl Vorster --- North-West University,This study explores the experiences of African migrants in relation to South African citizens in the course of xenophobic violence in South Africa. In a secondary data analysis of a larger research project, 44 migrants (both men and women with... -
Types of Umbilini (Intuition) in the “ukunyanga” (Xhosa Divination) Tradition
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lily-Rose Nomfundo Mlisa --- University of Fort Hare, Philip Nel --- University of Free State,The study sought to characterize types of umbilini, a therapeutic skill in amagqirha divination system. Qualitative data on umbilini experiences were collected from 115 participants with self-reported umbilini experience and supplemented with 25 consultation session observations between amagqirha and their... -
Barriers to accessing PMTCT services in a rural area of South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Donald Skinner Sakhumzi Mfecane Tebogo Gumede Nomvo Henda Adlai DavidsDespite good intentions and commitment from providers, prevention-of-mother-to-child-transmission of HIV (PMTCT) services can be difficult for pregnant women to access, despite the provision of free health services for women and children. We examined the introduction of PMTCT services in a... -
Evidence of AIDS mortality from an alternative source: A Swaziland case study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alan Whiteside --- Health Economics and HIV/AIDS Research Division, South Africa Chris Desmond --- Health Economics and HIV/AIDS Research Division, South Africa John King --- , Swaziland Jane Tomlinson --- , Swaziland Conway Sithungo --- , SwazilandThis paper explores a way of measuring AIDS mortality in the absence of vital registration. It looks at the death notices in the major daily newspaper in Swaziland, The Times of Swaziland, and asks if these can be analysed to... -
On the virgin cleansing myth: gendered bodies, AIDS and ethnomedicine
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Suzanne Leclerc-Madlala --- , South AfricaThe belief that HIV/AIDS can be cured as a result of having sex with a virgin has been identified as a possible factor in the rape of babies and children in South Africa. While the prevalence of this myth has... -
Why do some South African ethnic groups have very high HIV rates and others not?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Chris Kenyon --- Department of Medicine, Division of Infectious Diseases and HIV Medicine, Observatory, South Africa Sizwe Zondo --- Department of Psychology, ASCENT Laboratory, Rondebosch, South AfricaThe differences in HIV prevalence between South Africa's racial/ethnic groups (19.9%, 3.2%, and 0.5% among 15–49-year-old blacks, coloureds and whites, respectively) are as big as those between the countries with the highest and lowest levels of HIV prevalence worldwide. These... -
A narrative review of research on the effects of physical activity on people living with HIV and opportunities for health promotion in disadvantaged settings
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Clemens Ley --- , South Africa María Rato Barrio --- , South AfricaThe article explores different types and effects of physical activity for people living with HIV. Considering the lack of studies done in African contexts and the disparity between research settings and natural settings, a narrative review of the literature was... -
Poverty, sexual behaviour, gender and HIV infection among young black men and women in Cape Town, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicoli Nattrass --- Centre for Social Science Research (CSSR), South Africa Brendan Maughan-Brown --- Southern Africa Labour and Development Research Unit, South Africa Jeremy Seekings --- Centre for Social Science Research (CSSR), South Africa Alan Whiteside --- Health Economics and HIV/AIDS Research Division (HEARD), South AfricaThis article contributes methodologically and substantively to the debate over the importance of poverty, sexual behaviour and circumcision in relation to HIV infection, using panel data on young black men and women in Cape Town, South Africa. Methodological challenges included... -
Media ownership and news framing: an analysis of HIV/AIDS coverage by Ugandan press
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: James Kiwanuka-Tondo --- Department of Communication, United States KellyF Albada --- Department of Communication, United States Fay Cobb Payton --- Department of Communication, United StatesApplying framing theory, the present research analyzes trends in Ugandan news coverage and the prominent issue frames for HIV/AIDS-related stories. In order to determine the influence of other factors, such as media ownership and journalist origin, nearly 800 articles, from... -
Can small-scale fisheries contribute to poverty alleviation in traditionally non-fishing communities in South Africa?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TG Andrew QA Rouhani SJ SetiThere has been considerable debate as to the contribution that fishing activities can make to food security and income generation in rural areas of South Africa where fishing has not traditionally been practised. The rural areas in the eastern half... -
Proportional growth and maturation in Penaeus indicus
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HFB ChampionA least squares estimation of inflected linear regression is used to interpret the relationships between carapace length (CL) and total length, abdominal length and abdominal width respectively, in Penaeus indicus and Metapenaeus monoceros. In both species well-defined inflection points with... -
Community composition and distribution of macroinvertebrates in the Umzimvubu River, South Africa: a pre-impoundment study
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BR Madikizela AH DyeThis paper presents baseline biological data on aquatic macroinvertebrates and water quality in the Umzimvubu River and selected tributaries, Eastern Cape Province, South Africa, prior to the construction of proposed large-scale water resource developments. Sampling was conducted seasonally at 14... -
A method for monitoring mangrove harvesting at the Mngazana estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Anusha Rajkaran JanineB Adams DerekR du PreezThe Mngazana estuary supports the third largest area of mangroves, and probably the largest stand of Rhizophora mucronata Lamk., in South Africa. The objective of this study was to determine the extent of harvesting in the Mngazana mangrove forest, using... -
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... -
Ochthebius (s.str.) capicola (Coleoptera) re-discovered in the Cape Peninsula, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CliveR TurnerNew distributional records and ecological observations are presented for the Cape endemic hydraenid Ochthebius capicola. Considered extinct on the Cape Peninsula, the species has been re-discovered at two adjacent locations as well as at a new site in Tsitsikamma National... -
The predatory impact of invasive alien smallmouth bass, Micropterus dolomieu (Teleostei: Centrarchidae), on indigenous fishes in a Cape Floristic Region mountain stream
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DarraghJ Woodford N Dean Impson JennyA Day I Roger BillsFish populations in the Rondegat River, a mountain stream in the Olifants-Doring system in the Cape Floristic Region, South Africa were surveyed to assess the impact of predatory alien invasive smallmouth bass Micropterus dolomieu (Lacepède) on the indigenous fishes. This... -
Preliminary testing of the Integrated Habitat Assessment System (IHAS) for aquatic macroinvertebrates
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DeanJ Ollis Charles Boucher HelenF Dallas KarenJ EslerPreliminary testing of the Integrated Habitat Assessment System (IHAS), a widely-used aquatic macroinvertebrate habitat assessment method in South Africa, was undertaken. Based on the sensitivity of the South African Scoring System (SASS) to biotope availability and assuming that SASS Scores... -
Extreme levels of intra-specific divergence among Cape Peninsula populations of the Cape galaxias, Galaxias zebratus Castelnau 1861, reveals a possible species complex
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Marcus Wishart Jane Hughes Barbara Stewart Dean ImpsonThe Cape galaxias, Galaxias zebratus, is part of the paleao-endemic fauna characteristic of the south-western Cape, South Africa, and is the only galaxiid found in continental Africa. A 284-bp fragment of the cytochrome b region of the mtDNA was sequenced... -
A morphological study on species of African Mormyrus (Teleostei: Mormyridae) and their electric organ discharges
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: B Kramer --- Zoological Institute, GermanyFive species of Mormyrus Linné 1758, three from West Africa and one each from East and southern Africa, were compared morphologically, and their electric organ discharges (EODs) recorded in the field. The five species were morphologically well differentiated in terms... -
An assessment of the impact of predation by Cape fur seals Arctocephalus pusillus pusillus on seabirds at Dyer Island, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Azwianewi B Makhado --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Robert JM Crawford --- Branch Oceans and Coasts, Department of Environmental Affairs, South Africa Lauren J Waller --- CapeNature, South Africa Les G Underhill --- Animal Demography Unit, Department of Biological Sciences, South AfricaAt Dyer Island, South Africa, observations of predation of seabirds by Cape Fur Seals Arctocephalus pusillus pusillus were made during 2004 and 2006/07. It was estimated that seals killed about 7% of adult African Penguins Spheniscus demersus annually. This may... -
Study on the Prepressing of Flakeboard Containing Waste Paper
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Günther Gerischer --- Faculty of Forestry, Rep. of South Africa Dave Reeves --- Faculty of Forestry, Rep. of South AfricaThe purpose of this study was to determine whether the strength properties of a composite board containing waste paper as a core material, could be improved by the prior prepressing of the core material before pressing the product to final... -
Fire and Senescent Fynbos in the Swartberg, Southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: W. Bond --- ,Some consequences of long intervals between fires were studied in fynbos of the Swartberg Mountains. Results showed that foliage projective cover was less patchy and mostly denser in mature than in senescent regrowth. Proteaceae seedling regeneration was significantly reduced in... -
Sybassoorte in Suid-Kaapland / SILKY BARK SPECIES IN THE SOUTHERN CAPE
Item type: Journal Article • Journal: South African Forestry Journal • Authors: C.J. Geldenhuys --- Departement van Waterwese, Bosbou en Omgewingsbewaring,The differences between the leaves and fruit of Maytenus acuminata and Cassine eucleiformis were investigated experimentally. Leaf differences alone are sufficient to distinguish between the two species having the common characteristics of silky threads in the leaves and twigs. Cassine... -
The Dynamics of the Indigenous Forest-Fynbos Ecotone in the Southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.C. van Daalen --- Department of Environment Affairs,A hypothesis that the indigenous forest colonises fynbos and disturbed sites in the Southern Cape has been tested by surveying the forest-fynbos ecotone and the adjoining fynbos and analysing the data by means of reciprocal averaging and factor analysis. On... -
Some Effects of Fire Frequency on Fynbos Plant Community Composition and Structure at Jonkershoek, Stellenbosch
Item type: Journal Article • Journal: South African Forestry Journal • Authors: B.W. van Wilgen --- Department of Water Affairs, Forestry and Environmental Conservation,Fynbos vegetation with three differing fire histories was analysed for floristic composition and structure by means of a stratified systematic sample of 100 plots. The three treatments (fire histories) investigated were short rotation burning (about six years), longer rotation burning... -
Variation in Wood Properties of Eucalyptus nitens in a Provenance Trial on the Eastern Transvaal Highveld in South Africa
Item type: Journal Article • Journal: South African Forestry Journal • Authors: R.C. Purnell --- D.R. de Wet Forestry Research Centre,Eucalyptus nitens is one of the four important cold-tolerant eucalypts grown for mining timber and pulpwood on the eastern Transvaal highveld in South Africa. In 1983 an active genetic improvement programme was initiated to improve growth rate, stem form and... -
In Situ Measurements of the Acoustic Target Strength of Cape Horse Mackerel Trachurus Trachurus Capensis Off Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B. E. Axelsen G. Bauleth-D'Almeida A. KanandjemboThe acoustic target strength (TS) of Cape horse mackerel Trachurus trachurus capensis was measured in situ at 38 kHz during two surveys over the Namibian continental shelf in 1998 and 1999 using a SIMRAD EK500 echosounder/ES38D submersible split-beam transducer. Scattered... -
Dynamics of the Fishery for Galjoen Dichistius Capensis, With an Assessment of Monitoring Methods
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C. G. AttwoodThe dynamics of the fishery for galjoen Dichistius capensis were investigated at four sites in South Africa from 1987 to 2000. At three sites, which were protected from fishing, Koppie Alleen, Lekkerwater (both in the De Hoop Marine Protected Area)... -
Alternate explanations of the dispersal pattern of galjoen Dichistius capensis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CG Attwood PD CowleyThe movement behaviour of galjoen Dichistius capensis (>250mm total length) was studied by using a tag and recapture technique. A total of 25 191 galjoen was tagged at four sites in South Africa. Three of the sites were in fully... -
Foraging of a coastal seabird: flight patterns and movements of breeding Cape gannets Morus capensis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NJ Adams RA NavarroCape gannets Morus capensis are predatory seabirds in the coastal waters of southern Africa where they feed on commercially important fish species. Using a combination of intensive monitoring at nest sites, tracking of radio-tagged birds and diet sampling, we determined... -
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 taxonomic status of common dolphins Delphinus spp. in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Samaai PB Best MJ GibbonsAside from gender differences, a principal components analysis of skull measurements of 72 adult common dolphins from South Africa failed to distinguish more than one form of Delphinus. Plots of rostral length against zygomatic width indicated most could be referred... -
Bayesian analysis of allozyme markers indicates a single genetic population of kingklip Genypterus capensis off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WS Grant RW LeslieKingklip Genypterus capensis inhabit deep continental shelf and slope waters off southern Africa and are now largely harvested as a bycatch in trawl and longline fisheries for Cape hakes Merluccius spp. Regional differences in growth, vertebral count and otolith morphology... -
Seabirds in the diet of Cape fur seals Arctocephalus pusillus pusillus at three mainland breeding colonies in Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Mecenero SP Kirkman J-P RouxPredation by Cape fur seals Arctocephalus pusillus pusillus on seabirds has previously been attributed to a few individuals, mainly males. Scat samples were collected at three mainland breeding colonies of seals in Namibia to determine the extent of seabird predation... -
Spatial description of hake-directed fishing activity off the west coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TP Fairweather AJ Booth WHH Sauer RW LeslieHistorically, the two species of Cape hakes Merluccius capensis and M. paradoxus off South Africa were commercially exploited exclusively by demersal trawling. In 1994, hake-directed demersal longline was introduced on an experimental basis, and in 1998 was initiated as a... -
Diet of Cape fur seals Arctocephalus pusillus pusillus at three mainland breeding colonies in Namibia. 1. Spatial variation
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Mecenero J-P Roux LG Underhill MN BesterThe diet composition of Cape fur seals Arctocephalus pusillus pusillus was investigated from three breeding colonies in Namibia between January 1994 and April 2002 using scat analysis. Otolith numbers were corrected for those lost during digestion before determining the percentage... -
Diet of Cape fur seals Arctocephalus pusillus pusillus at three mainland breeding colonies in Namibia. 2. Temporal variation
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Mecenero J-P Roux LG Underhill SP KirkmanScat analysis was used to assess temporal variability in the diet composition of Cape fur seals Arctocephalus pusillus pusillus from three breeding colonies in Namibia (January 1994 to April 2002). The diet displayed significant inter- and intra-annual variation in composition... -
Towards the declaration of a large marine protected area: a subtidal ichthyofaunal survey of the Pondoland coast in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann L Celliers ST Fennessy S Bailey AD WoodA subtidal marine ichthyofaunal survey was carried out on shallow reefs (1–30m deep) in the Pondoland region between the Mtamvuna River and Port St Johns in the Eastern Cape, South Africa. The purpose of this survey was to provide the... -
Impact of predation by Cape fur seals Arctocephalus pusillus pusillus on Cape gannets Morus capensis at Malgas Island, Western Cape, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AB Makhado RJM Crawford LG UnderhillCape fur seals Arctocephalus pusillus pusillus were estimated to kill some 6 000 Cape gannet Morus capensis fledglings around Malgas Island in the 2000/01 breeding season, 11 000 in 2003/04 and 10 000 in 2005/06. This amounted to about 29%,... -
Broad-scale distribution patterns of sardine and their predators in relation to remotely sensed environmental conditions during the KwaZulu-Natal sardine run
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SH O’Donoghue --- School of Biological and Conservation Sciences, South Africa L Drapeau --- , France VM Peddemors --- School of Biological and Conservation Sciences, South AfricaThe annual movement of South African sardine Sardinops sagax up the east coast of South Africa, known as the ‘sardine run’, was investigated using data from aerial surveys for the period 1988–2005 and compared with remotely sensed sea surface temperature... -
The KwaZulu-Natal sardine run: shoal distribution in relation to nearshore environmental conditions, 1997–2007
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SH O’Donoghue --- School of Biological and Conservation Sciences, South Africa L Drapeau --- , France SFJ Dudley --- , South Africa VM Peddemors --- School of Biological and Conservation Sciences, South AfricaThe nearshore presence of sardine Sardinops sagax on the KwaZulu-Natal (KZN) coast was investi-gated using sightings data collected by the KZN Sharks Board from 1997 to 2007. The spatio-temporal distribution of sardine was described in relation to that of their... -
Abundance and distribution of avian and marine mammal predators of sardine observed during the 2005 KwaZulu-Natal sardine run survey
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SH O’Donoghue --- School of Biological and Conservation Sciences, South Africa PA Whittington --- Department of Zoology, PO Box 77000, South Africa BM Dyer --- Oceans and Coasts, Department of Environmental Affairs, South Africa VM Peddemors --- School of Biological and Conservation Sciences, South AfricaOpportunistic observations to determine the relative abundance and distribution of marine mammal and seabird predators of sardine Sardinops sagax were carried out during a dedicated multidisciplinary research survey off the South African east coast in June and July of 2005... -
Assessment and management of Cape horse mackerel Trachurus capensis off Namibia based on a fleet-disaggregated age-structured production model
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Kirchner --- Ministry of Fisheries and Marine Resources, Namibia G Bauleth-D’Almeida --- Ministry of Fisheries and Marine Resources, Namibia MR Wilhelm --- Ministry of Fisheries and Marine Resources, NamibiaThe Cape horse mackerel stock off Namibia is assessed using a fleet-disaggregated age-structured production model including historical International Commission for the Southeast Atlantic Fisheries (ICSEAF) and current data. Data from acoustic biomass surveys, on commercial catch per unit effort and... -
A hard-knock life: the foraging ecology of Cape cormorants amidst shifting prey resources and industrial fishing pressure
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MH Hamann --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa D Grémillet --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa PG Ryan --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa F Bonadonna --- , France CD van der Lingen --- Department of Agriculture, Forestry and Fisheries, South Africa L Pichegru --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South AfricaOnce one of the most numerous seabirds of the Benguela upwelling system, the population of Cape cormorants Phalacrocorax capensis has decreased by 60% in the past three decades and the species is listed as Near Threatened. Declines in prey availability... -
Assessment of the abundance and distribution of burrowing sandprawns and mudprawns (Callichirus and Upogebia species) in Langebaan Lagoon, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P Nel --- West Coast National Park, South Africa GM Branch --- Marine Biology Research Centre, Zoology Department, South AfricaA survey of sandprawns and mudprawns was undertaken in intertidal and subtidal zones in Langebaan Lagoon, West Coast National Park, South Africa, to determine their stock status and to gain an understanding of the spatio-temporal patterns in abundance and distribution... -
Pelagic fish species assemblages in the southern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GG Louw --- Branch: Fisheries Management, Department of Agriculture, South Africa P Fréon --- CRHMT [Tropical Fish and Mediterranean Research Center], France G Huse --- Institute of Marine Research, Norway MR Lipiński --- Department of Ichthyology and Fisheries Science, South Africa JC Coetzee --- Branch: Fisheries Management, Department of Agriculture, South AfricaPatterns in the co-occurrence of small pelagic fish species within single shoals were investigated using data from 6 814 throws of commercial purse-seiners in South Africa. Assuming that the throw composition reflected the true composition of the assemblage, it was... -
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... -
The pulp and paper properties of Sirex noctilio infested and fire-damagedthermomechanically pulped, South African grown Pinus patula
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M du Plessis --- , South Africa NJ le Roux --- Department of Statistics and Actuarial Science, South Africa S Gardner-Lubbe --- Department of Statistical Sciences, South Africa JPJ Swart --- Department of Forest and Wood Science, South Africa T Rypstra --- Department of Forest and Wood Science, South AfricaPinus patula is the softwood species most extensively planted in South Africa. However, large portions of these plantings are under threat from Sirex noctilio infestation and occasional forest fires. In this exploratory investigation, the effects of tree age, Sirex noctilio... -
Growth models based on radial increment observations for eight pine species in Angola
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cristobal Delgado-Matas --- Faculty of Agrarian Sciences, Angola Timo Pukkala --- School of Forest Sciences, FinlandGrowth models for the Central Highlands of Angola were developed in this study for Pinus pseudostrobus Lindl., P. kesiya Royle ex Gordon, P. devoniana Lindl., P. chiapensis (Martinez) Andresen, P. elliottii Engelm., P. greggii Engelm. ex Parl., P. montezumae Lamb... -
The relation of HIV testing and treatment to identity formation in Zambia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Emily Frank --- Anthropology Department, United StatesWhy would many Zambians be reluctant to access lifesaving antiretroviral treatment? Does the process of accessing an HIV test in Zambia promote an identity that can change individuals' livelihood strategies? What happens to individuals when people access treatment? Voluntary testing... -
Conservation biology and management of a critically endangered cyprinid, the Twee River redfin, Barbus erubescens (Teleostei: Cyprinidae), of the Cape Floristic Region, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ND Impson MS Marriott IR Bills PH SkeltonThe Twee River redfin Barbus erubescens is a critically endangered small cyprinid endemic to the Twee River System, a subcatchment of the Olifants-Doring River System of South Africa. It is currently the most threatened freshwater fish in both the Cape... -
Reproductive and feeding biology of the endangered fiery redfin, Pseudobarbus phlegethon (Barnard 1938) (Teleostei: Cyprinidae), in the Noordhoeks River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Whitehead OLF Weyl IR BillsThe aim of this study was to contribute to the knowledge on the reproductive and feeding biology of the endangered Pseudobarbus phlegethon (Barnard 1938) in the Olifants River system, by providing estimates of its maturity, reproductive periodicity and the diet... -
Does reservoir trophic status influence the feeding and growth of the sharptooth catfish, Clarias gariepinus (Teleostei: Clariidae)?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WM Potts T Hecht TG AndrewThe diet and growth of sharptooth catfish, Clarias gariepinus, in an oligotrophic system (Kat River Reservoir, Eastern Cape, South Africa) were compared to those in a eutrophic system (Laing Reservoir, Eastern Cape) to determine if the trophic status of a... -
Conserving the fishes of the Twee River, Western Cape, South Africa: revisiting the issues
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SM Marr LME Sutcliffe JA Day CL Griffiths PH SkeltonThe Twee River catchment contains two endemic fish species — the Twee River redfin and the Twee River galaxias — which are threatened by water abstraction, habitat degradation, and the presence of introduced fishes. Fyke nets were used to determine... -
The importance of estuarine-derived carbon for the nearshore marine environment: studies on two contrasting South African estuaries
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PD Vorwerk --- Department of Zoology and Entomology, South Africa PW Froneman --- Department of Zoology and Entomology, South AfricaThe food web structure within and adjacent to two permanently open estuaries with contrasting flow regimes along the south-eastern coast of South Africa was investigated employing stable isotope analysis. The Kariega Estuary is considered a freshwater-deprived system, while the Great... -
Spatial and temporal variation in the macroinvertebrate community structure of the lower Elands River, Mpumalanga, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Ferreira --- Centre for Aquatic Research, Department of Zoology, South Africa V Wepener --- Centre for Aquatic Research, Department of Zoology, South Africa JHJ van Vuren --- Centre for Aquatic Research, Department of Zoology, South AfricaThe Elands River, Mpumalanga, is an ecologically sensitive river that is constantly threatened by a variety of human activities. The influence of a pulp and paper mill on the river's macroinvertebrate assemblages was studied in March and June 2005, representing... -
Management of avian cholera Pasteurella multocida outbreaks on Dyer Island, South Africa, 2002–2005
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LJ Waller LG UnderhillIn 2002 there was a widespread epizootic involving seabirds on five of the offshore islands of the Western Cape, South Africa. Since then, avian cholera Pasteurella multocida outbreaks have been occurring annually on one of these islands, Dyer Island. This... -
Making sense of censuses and dealing with missing data: trends in pup counts of Cape fur seal Arctocephalus pusillus pusillus for the period 1972–2004
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman WH Oosthuizen MA Meÿer PGH Kotze J-P Roux LG UnderhillTrends in the population of Cape fur seals Arctocephalus pusillus pusillus were estimated from counts of pups on aerial photographs of colonies taken between 1972 and 2004 to determine trends in the overall population and subpopulations. Incomplete coverage resulted in... -
Reproductive biology of spiny lobster Panulirus regius from the north-western Cape Verde Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Freitas A Medina S Correia M CastroGreen (spiny) lobsters Panulirus regius were obtained by diving at Cape Verde, West Africa, during three sampling periods: May–November 2001, April–December 2002 and April–June 2003. Totals of 429 male lobsters and 423 females (852 in all) were caught. Half the... -
Escapement of Cape hakes under the fishing line of the Namibian demersal sampling trawl
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Jørgensen A Engås E Johnsen T Iilende P Kainge P SchneiderSwept area surveys in Namibian waters provide input data to the stock assessment model. To evaluate the model's predictions, it is important to understand the catch efficiency of sampling trawls. The objective of this study was to establish whether Cape... -
Abrupt environmental shift associated with changes in the distribution of Cape anchovy Engraulis encrasicolus spawners in the southern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Roy CD van der Lingen JC Coetzee JRE LutjeharmsCape anchovy Engraulis encrasicolus spawners in the southern Benguela showed an eastward shift in their distribution on the Agulhas Bank that occurred abruptly in 1996 and has since persisted. We assessed whether this shift was environmentally mediated by examining sea... -
Implications for seabirds off South Africa of a long-term change in the distribution of sardine
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RJM Crawford PS Sabarros T Fairweather LG Underhill AC WolfaardtFrom 1997 to 2005, the distribution of sardine Sardinops sagax, an important prey item for four seabirds off South Africa, shifted 400 km to the south and east, influencing its availability to breeding birds. It became progressively less available to... -
The effects of ageing biases on stock assessment and management advice: a case study on Namibian horse mackerel
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Wilhelm MD Durholtz CH KirchnerWe explore the influence of age-estimation errors on the results of the age-structured production model (ASPM) used for horse mackerel stock assessment in Namibia for the period 1961–2003. The analysis considered age data from eight readers collected during an otolith-reading... -
Evaluating seal–seabird interactions in southern Africa: a critical review
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP KirkmanThrough predation and displacement, the Cape fur seal Arctocephalus pusillus pusillus poses a threat to several seabird species that breed in southern Africa. Measures such as the culling of 'problem' seals have been introduced to negate the effects on these... -
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... -
Tree taper models for Cupressus lusitanica plantations in Ethiopia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Leakemariam Berhe Göran ArnoldssonTo provide a taper model for planning and management of Cupressus lusitanica plantations in Ethiopia, seven taper models were compared. Four performance indicator statistics were used for comparing the models in their ability to estimate tree diameter, and total and... -
Screening of topical sterilants for shoot apex culture of Acacia mearnsii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: IM Thompson MD Laing SL Beck-Pay A FosseyThe surface sterilisation procedure is of integral importance to any micropropagation technique. This process should do the least amount of plant damage, whilst reducing microbial contamination to an acceptable level. The objective of this research was to investigate alternative sterilisation... -
Effect of weeding and fertilisation on bark thickness and stem form of seven pine species on a low-elevation site at Usutu, Swaziland
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JW Crous --- , South Africa AR Morris --- , South Africa S Khoza --- , SwazilandOn a low-elevation site at Usutu alternative species to Pinus elliottii, the species recommended in the past for such sites, were planted to evaluate growth differences. At rotation age, destructive stem profile analyses were conducted on some of the trees... -
Relationship between the edgewise compression strength of corrugated board and the compression strength of liner and fluting medium papers
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: K Dimitrov --- Department of Chemical Engineering, South Africa M Heydenrych --- Department of Chemical Engineering, South AfricaThe compression strength of a corrugated board box is a direct measure of its stacking strength. The edgewise compression strength of corrugated board is the major contributor to the box stacking strength. This relation can be further extended to the... -
Eucalypt pests and diseases: growing threats to plantation productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MJ Wingfield B Slippers BP Hurley TA Coutinho BD Wingfield J RouxPlantations of eucalypts (species of Eucalyptus and Corymbia), particularly in the tropics and Southern Hemisphere, have expanded dramatically during the course of the last 100 years. The nature of these plantations has changed substantially as selection, breeding, hybridisation, vegetative propagation... -
Wind farms threaten southern Africa's cliff-nesting vultures
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Rushworth --- Scientific Services, South Africa Sonja Krüger --- Scientific Services, South AfricaWind farms have been shown to cause bird mortality in many studies. Proposals for the development of wind farms in Lesotho, which is core habitat for small and declining populations of the regionally Endangered Bearded Vulture Gypaetus barbatus meridionalis and... -
Diabetes guidelines and clinical practice: is there a gap? The South African cohort of the International Diabetes Management Practices Study
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A Amod --- , W Riback --- Endocrinology, Thrombosis and Anti-Infectives, Sanofi-Aventis, HS SchoemanObjectives: The objective of this survey was to determine the therapeutic management of patients with diabetes in the South African private healthcare environment. -
Evaluating the effect of preoperative oral gabapentin on postoperative pain in patients receiving spinal anaesthesia for lower limb surgery
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Raghove --- Department of Anaesthesiology, India R Jaiswal --- Department of Anaesthesiology, India K Singh --- Department of Anaesthesiology, IndiaBackground: Gabapentin has been used successfully as a non-opioid analgesic adjuvant for postoperative pain management. We hypothesised that gabapentin might be a useful adjuvant for postoperative analgesia in patients undergoing lower extremity surgery under subarachnoid block. -
Chronic pain in the community: a survey in a township in Mthatha, Eastern Cape, South Africa
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: EU Igumbor --- School of Public Health, University of the Western Cape, South Africa TR Puoane --- School of Public Health, University of the Western Cape, South Africa SA Gansky --- Division of Oral Epidemiology, USA O Plesh --- Department of Preventive and Restorative Dental Science, USABackground: Comprehensive information is needed on the epidemiology and burden of chronic pain in the population for the development of appropriate health interventions. This study aimed to determine the prevalence, severity, risk indicators and responses of chronic pain among adults... -
The Phelophepa Health Care Train: a pharmacoepidemiological overview of the Western Cape in 2009
Item type: Journal Article • Journal: South African Family Practice • Authors: I Truter --- Drug Utilisation Research Unit, Department of Pharmacy, South AfricaBackground: The Phelophepa Health Care Train is the only primary healthcare train in the world. Phelophepa is an innovative initiative that attempts to make a positive difference to primary healthcare in rural South Africa. The primary aim of this study... -
Complementary and alternative medicine for attention deficit/hyperactivity disorder: An Eastern Cape study
Item type: Journal Article • Journal: South African Family Practice • Authors: S Snyman --- Department of Pharmacy, South Africa I Truter --- Department of Pharmacy, South Africa -
Assessing the knowledge and perceptions of medical students from the Western Cape, South Africa, regarding the Millennium Development Goals
Item type: Journal Article • Journal: South African Family Practice • Authors: T Yeatman --- Division of Human Nutrition, Faculty of Health Sciences, N Koen --- Division of Human Nutrition, Faculty of Health Sciences, L De Ridder --- Division of Human Nutrition, Faculty of Health Sciences, B Fenn --- Division of Human Nutrition, Faculty of Health Sciences, L Wormsbacher --- Division of Human Nutrition, Faculty of Health Sciences, L Daniels --- Division of Human Nutrition, Faculty of Health Sciences,Background: Health science students are key players in implementing the Millennium Development Goals (MDG). Knowledge and understanding at university level is essential to achieve the goals by 2015. The primary objective of this study was to assess the knowledge and... -
Pain as a reason for primary care visits: cross-sectional survey in a rural and periurban health clinic in the Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: EU Igumbor --- School of Public Health, University of the Western Cape, South Africa T Puoane --- School of Public Health, University of the Western Cape, South Africa SA Gansky --- School of Dentistry, University of California, USA O Plesh --- School of Dentistry, University of California, USABackground: The burden of pain in primary care has not been described for South Africa. This study aimed to determine the prevalence of pain in primary care and to characterise pain among adult patients attending a rural and a periurban... -
Tablet computers for recording tuberculosis data at a community health centre in King Sabata Dalindyebo Local Municipality, Eastern Cape: a proof of concept report
Item type: Journal Article • Journal: South African Family Practice • Authors: Don O’Mahony --- Department of Family Medicine, Graham Wright --- Department of Family Medicine,Background: Data at primary healthcare (PHC) clinics are handwritten in registers by nurses for submission to the District Health Information System (DHIS). Compared to pen and paper, data capture, using handheld computers, has fewer errors, is more efficient and is... -
Spirit(ed) away: preventing foetal alcohol syndrome with motivational interviewing and cognitive behavioural therapy
Item type: Journal Article • Journal: South African Family Practice • Authors: A Jansen Van Vuuren --- University of Cape Town, D Learmonth --- University of Cape Town,Foetal alcohol syndrome (FAS) is a growing concern in South Africa. In the Western Cape, prevalence rates for FAS are the highest in the world. Not surprisingly, the Western Cape also has some of the highest levels of alcohol consumption... -
Is screening for microalbuminuria in patients with type 2 diabetes feasible in the Cape Town public sector primary care context? A cost and consequence study
Item type: Journal Article • Journal: South African Family Practice • Authors: HO Ibrahim --- Division of Family Medicine and Primary Care, D Stapar --- Division of Family Medicine and Primary Care, B Mash --- Division of Family Medicine and Primary Care,Background: Type 2 diabetes contributes significantly to the burden of disease in South Africa. Proteinuria is a marker for chronic kidney and cardiovascular disease. All guidelines recommend testing for microalbuminuria because intervention at this stage can prevent or delay the... -
Consultation outcomes for musculoskeletal conditions at two community health centres in Cape Town
Item type: Journal Article • Journal: South African Family Practice • Authors: MK Namane --- Metro District Health Services, Western Cape Department of Health, Community Health Division and Family Medicine Division, Faculty of Health Sciences, Stellenbosch and Family Medicine Division, Faculty of Health Sciences, AA Kalla --- Head of Unit, Rheumatic Diseases Unit, Faculty of Health Sciences, TN Young --- Centre for Evidence-Based Medicine, Community Health Division Faculty of Health Sciences,Objectives: To compare the proportion of patients with documented diagnoses and management plans when they presented with musculoskeletal complaints at two community health centres (CHCs) using two models of care: one with a rheumatology outreach service and the other with... -
Is the Cape White-eye Zosterops virens or Zosterops capensis?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Lindy J Thompson --- School of Life Sciences, South Africa Barry Taylor --- School of Life Sciences, South AfricaThe recent scientific literature employs three binomial names for the southern African endemic bird known as the Cape White-eye: Zosterops capensis, Z. pallidus and Z. virens. This unacceptable inconsistency reflects the contention regarding white-eye systematics. Recent molecular work by Oatley... -
Murder and the whole city
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kelly Gillespie --- Department of Anthropology, South AfricaHenri Lefebvre's The Urban Revolution makes a claim for the importance of seeing the whole urban form in our analyses of cities. He argues that we too often get trapped into a view of the urban that prioritises “fragments” of... -
Edgy Edgars: The Restless Youth in Suzanna Nelson's Nightmare along the River Nile: A Story of Twentieth Century Slavery
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Paul M. Mukundi --- Department of Literature, KenyaSuzanna E. Nelson's first novel, Nightmare along the River Nile: A Story of Twentieth Century Slavery shows the danger faced by youth during war. While the young adult stage of life is generally characterized by unsteadiness—social, professional and otherwise—because individuals... -
Acacia mearnsii industry overview: current status, key research and development issues
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Julian Moreno Chan --- Institute for Commercial Forestry Research, South Africa Philip Day --- NTE Company (Pty) Ltd, South Africa John Feely --- Forestry consultant, South Africa Rob Thompson --- NCT Forestry Co-operative Ltd, South Africa Keith M Little --- School of Natural Resource Management, South Africa Craig H Norris --- NCT Forestry Co-operative Ltd, South AfricaAcacia mearnsii De Wild (black wattle) is an important plantation species for tannin production and woodchip exports in South Africa and Brazil. This study provides an updated overview of the black wattle industries in both countries, including planted areas and... -
The effectiveness of the implementation of the Cape Triage Score at the emergency department of the National District Hospital, Bloemfontein
Item type: Journal Article • Journal: South African Family Practice • Authors: SAN Gordon --- Faculty of Health Sciences, Department of Family Medicine, South Africa H Brits --- Faculty of Health Sciences, Department of Family Medicine, South Africa JE Raubenheimer --- Faculty of Health Sciences, Department of Biostatistics, South AfricaBackground: The need for an appropriate South African triage system led to the development of the Cape Triage Score (CTS), a system to prioritise emergency departments’ workloads. This study evaluated the effectiveness of the CTS at the National District Hospital... -
Temporal changes in the macrobenthos of sandprawn (Callichirus kraussi) beds in Swartvlei Estuary, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Nicholas Hanekom --- South African National Parks, South Africa Ian A Russell --- South African National Parks, South AfricaWater quality was recorded quarterly along the length of the Swartvlei estuary (2002–2014), while seagrass biomass and macrobenthic abundance were measured annually in intertidal sandprawn beds (2009–2014). Despite relatively stable, marine-dominated conditions the abundance of the sandprawn Callichirus kraussi recorded... -
Abundance of the endangered Cape parrot, Poicephalus robustus, in South Africa: implications for its survival
Item type: Journal Article • Journal: African Zoology • Authors: Colleen T. Downs --- School of Botany and Zoology, University of KwaZulu-Natal, South AfricaFactors affecting the decline of the endangered Cape parrot, which is endemic to South Africa, are presented. Its abundance and status were investigated during annual intensive national surveys. The merits of such a census are reported. Presence of birds was... -
Burrow utilization by springhares (Pedetes capensis) in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: D.M. Peinke --- Department of Zoology and Entomology, South Africa C.R. Brown --- Department of Zoology and Entomology, South AfricaThe use of burrows by springhares was investigated in the Eastern Cape, South Africa using radio telemetry. Springhares utilized 4–27 different burrows scattered over areas ranging from 0.6–28.5 ha, with maximum distances of 170–1000 m between burrows. Springhares frequently changed... -
An analysis of the recreational shore fishery in the Goukamma Marine Protected Area
Item type: Journal Article • Journal: African Zoology • Authors: P. Pradervand --- Oceanographic Research Institute, South Africa R. Hiseman --- Western Cape Nature Conservation Board, South AfricaTen years (1993–2002) of shore fishing catch and effort data collected during routine patrols in the Goukamma Marine Protected Area in theWestern Cape Province were analysed. Of a total of 35 species recorded, the most common were backtail, Diplodus sargus... -
Does the endangered Knysna seahorse, Hippocampus capensis, have a preference for aquatic vegetation type, cover or height?
Item type: Journal Article • Journal: African Zoology • Authors: Peter R. Teske --- Molecular Ecology and Systematics Group, Botany Department, South Africa Jacqueline F. Lockyear --- Department of Ichthyology and Fisheries Science, South Africa Thomas Hecht --- Department of Ichthyology and Fisheries Science, South Africa Horst Kaiser --- Department of Ichthyology and Fisheries Science, South AfricaThe Knysna seahorse, Hippocampus capensis, is an endangered teleost confined to three South African estuaries. Its abundance within these systems is low and distributions are patchy. Consequently, monitoring population sizes is labour-intensive. The aim of this study was to establish... -
Sugar preferences and digestion by Cape white-eyes, Zosterops virens, fed artificial fruit diets
Item type: Journal Article • Journal: African Zoology • Authors: A. E. Wellmann --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South Africa C. T. Downs --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South AfricaSugar preferences and digestion of sugars in artificial fruit of different sugar types and concentrations were investigated in a South African facultative frugivore, the Cape white-eye (Zosterops virens). We studied sugar preferences, daily food and energy intake, and digestive efficiencies... -
Seasonal variation in gonadal steroids of males and females in the Cape mole-rat (Georychus capensis): the potential for opportunistic breeding
Item type: Journal Article • Journal: African Zoology • Authors: M. K. Oosthuizen --- Department of Zoology and Entomology, South Africa N. C. Bennett --- Department of Zoology and Entomology, South AfricaUrinary testosterone concentrations in males and urinary progesterone and oestradiol concentrations in females were measured in the Cape mole-rat (Georychus capensis) and compared for the summer and winter periods. The Cape mole-rat breeds seasonally, with sexual activity and subsequent pregnancy... -
isiXhosa names of South African land mammals
Item type: Journal Article • Journal: African Zoology • Authors: J. M. Feely [AN0001]The isiXhosa colloquial names of 86 taxa of South African land mammals recorded in three mammalogical works and three isiXhoxa dictionaries are tabulated and discussed. This reveals several ambiguities, discrepancies, inconsistencies and uncertainties, as well those species and groups of... -
Do deterministic processes influence the phenotypic patterns of animalivorous bat ensembles at urban rivers?
Item type: Journal Article • Journal: African Zoology • Authors: M. Corrie Schoeman --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Kirby J. Waddington --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, Westville Campus, South AfricaAlthough urbanization is perhaps the most damaging, persistent, and rapidly expanding form of anthropogenic pressure on natural ecosystems, data on the patterns and processes of sympatric bat species in urban landscapes are relatively scant. We quantified the packing and dispersion... -
Autotomy, tail regeneration and jumping ability in Cape dwarf geckos (Lygodactylus capensis) (Gekkonidae)
Item type: Journal Article • Journal: African Zoology • Authors: Patricia A. Fleming --- School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Australia Philip W. Bateman --- Department of Zoology and Entomology, South AfricaMany studies have examined the effect of caudal autotomy on speed and behaviour of lizards escaping over horizontal surfaces, but there have been few studies on lizards escaping over vertical surfaces and, in particular, species that jump between surfaces. We... -
isiXhosa name for leopard
Item type: Journal Article • Journal: African Zoology • Authors: J.M. Feely --- Centre for African Conservation Ecology, Department of Zoology, South AfricaThe confusion among some speakers of isiXhosa concerning the meaning of ingwe can probably be traced to John Ayliff’s dictionary of the language published in 1846. There he gives ‘tiger’ as ingwe and ‘leopard’ as ihlozi. He clearly treats the... -
First record of freshwater fish on the Cape Verdean archipelago
Item type: Journal Article • Journal: African Zoology • Authors: Kay Lucek --- Institute for Ecology & Evolution, Division of Aquatic Ecology & Macroevolution, University of Bern, Switzerland Mélissa Lemoine --- Institute for Ecology & Evolution, Division of Evolutionary Ecology, University of Bern, SwitzerlandThe Cape Verdean islands form a distinct aquatic freshwater ecoregion characterized mainly by temporal water bodies with an adapted invertebrate community. Freshwater fish were not previously recorded from the archipelago. During a non-exhaustive survey of freshwater bodies on five islands... -
The phylogeography of Lemniscomys striatus (Rodentia: Muridae) confirms a remarkable vicariant event in neighbouring savanna populations in Central Gabon
Item type: Journal Article • Journal: African Zoology • Authors: J. F. Mboumba --- Université des Sciences et Techniques de Masuku, Gabon V. Nicolas --- Muséum National d’Histoire Naturelle, Département de Systématique et Evolution, France M. Colyn --- Université de Rennes 1, France P. Deleporte --- Université de Rennes 1, FranceOur recent phylogeographic study on the strictly savanna small rodent Nannomys minutoides revealed an unexpected pattern of divergence between populations occupying neighbouring savanna islands in Central Gabon, suggesting the historical and continuing fragmentation of these savanna habitats. In this study,... -
Otoliths versus scales: evaluating the most suitable structure for ageing largemouth bass, Micropterus salmoides, in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: G.C. Taylor --- Department of Ichthyology and Fisheries Science, South Africa O.L.F. Weyl --- Centre for Invasion Biology, South African Institute for Aquatic Biodiversity, South AfricaThe suitability of scales for ageing Micropterus salmoides was determined by comparing the precision of growth zone counts on scales with those obtained from sectioned sagittal otoliths from a sample of 496 fish collected from Wriggleswade and Mankazana Impoundments in... -
No effects of huddling on core body temperature in rock hyrax, Procavia capensis
Item type: Journal Article • Journal: African Zoology • Authors: C. T. Downs --- University of KwaZulu-Natal, South Africa K. Wimberger --- University of KwaZulu-Natal, South Africa A. L. Wilson --- University of KwaZulu-Natal, South AfricaHuddling is a behavioural energy conservation mechanism that is widely used by many small endotherms at low ambient temperatures. Huddling has many benefits, including decreasing the metabolic cost of maintaining body temperature (Tb), reducing the amount of heat lost to... -
White shark (Carcharodon carcharias)-inflicted bite wounds observed on Cape fur seals (Arctocephalus pusillus pusillus) at Black Rocks, Algoa Bay, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Matthew L. Dicken --- KwaZulu-Natal Sharks Board, South Africa Michelle Bradshaw --- Port Elizabeth Museum, South Africa Malcolm J. Smale --- Port Elizabeth Museum, South AfricaThis paper presents the first quantitative study on the seasonal occurrence and body location of white shark (Carcharodon carcharias)-inflicted injuries on Cape fur seals (Arctocephalus pusillus pusillus) at Black Rocks, in Algoa Bay. Between January 2010 and October 2011, 22... -
Sugar type and concentration preference of the Cape white-eye, Zosterops virens
Item type: Journal Article • Journal: African Zoology • Authors: Minke Witteveen --- University of KwaZulu-Natal, South Africa Mark Brown --- University of KwaZulu-Natal, South AfricaDifferences in nectar characteristics of bird-pollinated plants were originally attributed to whether the plant was pollinated by non-passerine hummingbirds or passerine nectarivores. Subsequently this has been refuted and it is now hypothesized that these differences reflect whether the plants are... -
Sex differentiation based on the gular stripe in the apparently monomorphic Cape gannet
Item type: Journal Article • Journal: African Zoology • Authors: Gavin M. Rishworth --- Department of Zoology, South Africa Maëlle Connan --- Department of Zoology, South Africa David B. Green --- Department of Zoology, South Africa Pierre A. Pistorius --- Department of Zoology, South AfricaThe Cape gannet, Morus capensis, has long been considered a monomorphic species despite attempts at phenotypically separating the sexes. In a further effort we here recorded morphometric measurements from genetically sexed Cape gannets. Discriminant function analysis was used to classify... -
Towards an isotope ecology of Cape Fynbos small mammals
Item type: Journal Article • Journal: African Zoology • Authors: Irene M. van den Heuvel --- Biozentrum Grindel, Zoological Institute and Museum, University of Hamburg, Martin-Luther-King Platz 3, D-20146 Hamburg, Germany Jeremy J. Midgley --- Department of Botany, South AfricaWe investigated ecological separation through dietary partitioning of small mammals in the nutrient-poor Fynbos biome using a stable isotope approach. Hair samples from eight species of co-occurring small mammals in two separate locations were analysed for stable carbon (13C/12C) and... -
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... -
Introduced Pacific oysters Crassostrea gigas in South Africa: demographic change, genetic diversity and body condition
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Keightley --- Department of Botany and Zoology, South Africa S von der Heyden --- Department of Botany and Zoology, South Africa S Jackson --- Department of Botany and Zoology, South AfricaSuccessful aquaculture species are often chosen for their fast growth rates and fecundity, which are also characteristics of invasive species. The Pacific oyster Crassostrea gigas, which constitutes 80% of global oyster trade, has been confirmed as invasive in 17 of... -
Reducing the overall HIV-burden in South Africa: is ‘reviving ABC’ an appropriate fit for a complex, adaptive epidemiological HIV landscape?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Christopher J Burman --- The Rural Development and Innovation Hub, South Africa Marota Aphane --- The Rural Development and Innovation Hub, South Africa Peter Delobelle --- School of Public Health, South AfricaThis article questions the recommendations to ‘revive ABC (abstain, be faithful, condomise)’ as a mechanism to ‘educate’ people in South Africa about HIV prevention as the South African National HIV Prevalence, Incidence and Behaviour Survey, 2012, suggests. We argue that... -
Elevated temperatures drive fine-scale patterns of habitat use in a savanna bird community
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Rowan O Martin --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Susan J Cunningham --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- ,Many animals use thermally buffered microhabitats, e.g. patches of shade within trees, to avoid temperature extremes. These ‘thermal refugia’ may mediate the impact of climate change on animals. Predicting how species and communities will respond to rising temperatures therefore requires... -
The status of the Damara Tern in the Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Philip A Whittington --- East London Museum, South Africa Anthony J Tree --- Department of Zoology, South Africa Maëlle Connan --- Department of Zoology and Entomology, South Africa Elizabeth G Watkins --- , South AfricaThe Eastern Cape population of the Damara Tern Sternula balaenarum was estimated to be 25–29 pairs in the 2008/09 and 2009/10 breeding seasons. The population appears to be stable and has probably increased slightly since the early 1990s. An eastward... -
The accounting function of John Company’s Cape of Good Hope factory 1812–1813, during the second British occupation of the Cape colony – observations and comments
Item type: Journal Article • Journal: De Ratione • Authors: J G Samkin --- Department of Accountancy,This paper reviews and makes observations on the accounting functions of the Cape of Good Hope factory of the English East India Company during the period 1812–1813. In particular, the accounting records maintained by the Cape factory are examined. By... -
Influence of mouth status on population structure of southern African endemic estuarine-spawning ichthyofauna in a temperate, temporarily open/closed estuary
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GP Tweddle --- Coastal Research Unit of Zululand, Department of Zoology, South Africa PW Froneman --- Department of Zoology and Entomology, South AfricaThe effect of mouth status on the population structure of three endemic estuarine-spawning fish species was assessed using seine nets from November 2005 to October 2007 in the temporarily open/closed Mpekweni Estuary, Eastern Cape, South Africa. Collectively, these three species... -
Aesthetics of Muslim public and community formations in Cape Town: observations of an anthropologist
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Ala Rabiha Alhourani --- Department of Anthropology and Sociology, South AfricaThis paper explores the implications of the arrival of Muslim Somali immigrants for the emergence of other Muslim communities in post-apartheid Cape Town. The ethnography unpacks the complexity and diversity of Somali identity formation, their culturally distinct politics of aesthetics... -
Fish and macroinvertebrate community composition of a floodplain wetland associated with the Harts River, South Africa, in relation to water quality and habitat parameters
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W Malherbe --- Water Research Group (Ecology), Unit for Environmental Science and Management, South Africa S Mahlangu --- Department of Zoology, South Africa M Ferreira --- Department of Zoology, South Africa V Wepener --- Water Research Group (Ecology), Unit for Environmental Science and Management, South AfricaThe Harts River and its associated floodplain, Northern Cape province, South Africa, are closely associated with the Vaalharts Irrigation Scheme. This floodplain has been poorly studied in the past, with no published aquatic information available. A fish and macroinvertebrate diversity... -
Global and African: exploring hip-hop artists in Philippi Township, Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Heike Becker --- Dept of Anthropology & Sociology, Nceba Dastile --- Dept of Anthropology & Sociology,This article investigates hip-hop, identity and global cultural flows among young people in contemporary Cape Town. We argue that hip-hop functions as a vehicle for identity negotiations in contemporary South Africa. The discussion of hip-hop in an ‘African’ township shows... -
Medicine from the Father: Bossiesmedisyne, people, and landscape in Kannaland
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Joshua B. Cohen --- University of Cape Town, South AfricaIn the rural Western Cape local municipality of Kannaland, the word ‘bossiesmedisyne’ (lit. bushes medicine), refers to plant and sometimes animal material used to treat and alleviate a wide range of health problems, ranging from colds to cancer. Based on... -
Capital letters: material dissent and place name change in the ‘new’ South Africa, 2005–2006
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Natalie Swanepoel --- Department of Anthropology and Archaeology,In 2005 the municipal council that oversees Pretoria (South Africa's administrative capital) voted to officially change the name of the city to Tshwane. This was met with sustained resistance from various interest groups within the city. This is emblematic of... -
Memory, landscape and event: How Ndebele labour tenants interpret and reclaim the past
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Chris J van Vuuren --- Department of Anthropology and Archaeology,The article discusses the roots of memory of former Ndebele labour tenants, and how these memories manifest in landscape, object and event. Recognising the role of history that bound most of the Ndundza community into labour tenancy, the author unpacks... -
ICT4D and the Siyakhula Living Lab: an anthropological contribution to digital development
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Robin Palmer --- Rhodes University, South AfricaAnthropologists are increasingly interested in the reception and adaptation of Information and Communications Technologies (ICTs) at the local level, especially when these are intended or adapted for social change in the kinds of societies and communities anthropologists study. The process... -
Revisiting ‘township tourism’: multiple mobilities and the re-territorialisation of township spaces in Cape Town, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jessica L. Dickson --- University of Cape Town, South AfricaThis article explores themes of social space and mobility significant to tourism within the townships near Cape Town, South Africa. Research on the emergence of ‘township tourism’ has produced contrasting interpretations. Some authors describe essentialised notions of ‘Africanness’, ‘culture’, and... -
Assessing the utility of ALOS PALSAR and SPOT 4 to predict timber volumes in even-aged Eucalyptus plantations located in Zululand, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Riyad Ismail --- Sappi Forests, South Africa Horst Kassier --- Sappi Forests, South Africa Morries Chauke --- Sappi Forests, South Africa Francesco Holecz --- Sarmap SA, Switzerland Nico Hattingh --- Sappi Forests, South AfricaIn commercial forestry, regular terrestrial enumerations of the growing stock are required for the valuation, sustain-able management and planning of current and future timber supplies. In this study we examined whether the combination of synthetic aperture radar (ALOS PALSAR) and... -
Antimicrobial Susceptibility Patterns of Selected Bacteraemic Isolates from South African Public Sector Hospitals, 2010
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: C Bamford --- National Health Laboratory Service (NHLS), Groote Schuur and University of Cape Town, K Bonorchis --- National Health Laboratory Service (NHLS), Green Point and University of Cape Town, A Ryan --- National Health Laboratory Service (NHLS), Green Point and University of Cape Town, J Simpson --- National Health Laboratory Service (NHLS), Green Point and University of Cape Town, E Elliott --- National Health Laboratory Service (NHLS), Universitas and University of the Free State, R Hoffmann --- National Health Laboratory Service (NHLS), Tygerberg and Stellenbosch University, P Naicker --- National Health Laboratory Service (NHLS), Tygerberg and Stellenbosch University, N Ismail --- National Health Laboratory Service (NHLS), Steve Biko Academic and University of Pretoria, N Mbelle --- National Health Laboratory Service (NHLS), Dr George Mukhari and University of Limpopo, M Nchabeleng --- National Health Laboratory Service (NHLS), Dr George Mukhari and University of Limpopo, T Nana --- National Health Laboratory Service (NHLS), Charlotte Maxeke Johannesburg Academic and University of the Witwatersrand, C Sriruttan --- National Health Laboratory Service (NHLS), Charlotte Maxeke Johannesburg Academic and University of the Witwatersrand, S Seetharam --- National Health Laboratory Service (NHLS), Chris Hani Baragwanath and University of the Witwatersrand, J Wadula --- National Health Laboratory Service (NHLS), Chris Hani Baragwanath and University of the Witwatersrand,We report on antimicrobial susceptibility surveillance data for six key bloodstream pathogens (Escherichia coli, Klebsiella pneumoniae, Enterobacter spp., Pseudomonas aeruginosa, Acinetobacter baumannii and Staphylococcus aureus) identified in public sector hospitals in South Africa during 2010. Major findings include the accelerated... -
Prevalence of carbapenem resistance genes in Acinetobacter baumannii isolated from clinical specimens obtained from an academic hospital in South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: M.M. Kock --- , A.N. Bellomo --- , N. Storm --- , M.M. Ehlers --- ,Acinetobacter baumannii is an important cause of hospital-acquired infections. The occurrence of carbapenem resistance that is caused by the carbapenem-hydrolysing class Dβ-lactamases and the metallo-β-lactamases (MBLs) limits the range of therapeutic alternatives in treating A. baumannii infections. In this study,... -
The SASCM CRE-WG: consensus statement and working guidelines for the screening and laboratory detection of carbapenemase-producing Enterobacteriaceae
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: W Lowman --- , C Bamford C Govind K Swe Swe Han R Kularatne M Senekal A Brink P Moodley J Thomas J Smit O Perovic -
A retrospective review of group B streptococcal infection in the Metro East area of the Western Cape province: 2010 to 2011
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: L Frigati --- Department of Paediatrics, Tygerberg Children’s Hospital, J L van der Merwe --- Department of Obstetrics and Gynaecology, Tygerberg Hospital, J Harvey --- Head Statistician, Centre for Statistical Application, H Rabie --- Department of Paediatrics, Tygerberg Children’s Hospital, G Theron --- Department of Obstetrics and Gynaecology, Tygerberg Hospital, M F Cotton --- Department of Paediatrics, Tygerberg Children’s Hospital,Effective strategies to prevent infant death rely on knowledge of prevalent pathogens. Recent publications have drawn attention to limited data on the contribution of group B streptococcal infection to neonatal and infant mortality in resource-restricted settings. The aim was to... -
Potential distributions of the medium- to large-sized mammals in the Cape Floristic Region, based on historical accounts and habitat requirements>
Item type: Journal Article • Journal: African Zoology • Authors: A.F. Boshoff --- Terrestrial Ecology Research Unit, Department of Zoology, South Africa L.J. Kerley --- Terrestrial Ecology Research Unit, Department of Zoology, South AfricaConservation planning in the Cape Floristic Region, a recognized world plant diversity hotspot, required systematic (i.e. presence/absence) information on the estimated distributions of the medium- to large-sized mammals. A pragmatic approach for obtaining distribution estimates, for the period prior to... -
Phylogenetic relationships among members of the Pachydactylus capensis group of southern African geckos
Item type: Journal Article • Journal: African Zoology • Authors: Aaron M. Bauer --- Department of Biology, U.S.A. Trip Lamb --- Department of Biology, U.S.A.Phylogenetic relationships among members of the Pachydactylus capensis group of southern African geckos -
Diets of Cape clawless otters at two South African coastal localities
Item type: Journal Article • Journal: African Zoology • Authors: W. Emmerson --- Department of Zoology, South Africa S. Philip --- Department of Zoology, South AfricaThe diet of the Cape clawless otter Aonyx capensis was investigated at the Dwessa Nature Re serve and Mkambati Nature Reserve on the Wild Coast, Eastern Cape Province, South Africa. Their diet was more varied at Mkambati (15 prey species)... -
Long-term trends in the shore fishery of the Transkei coast, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: P. Pradervand --- Oceanographic Research Institute, South AfricaTwenty four years (1977 2000) of competition shore angling catch and effort data from the Natal Coastal Anglers Union for the Transkei were analysed. Of a total of 71 species recorded, the most commonly caught species were Pomatomus saltatrix (19%),... -
Sexual dimorphism in the African legless skink subfamily Acontiinae (Reptilia: Scincidae)
Item type: Journal Article • Journal: African Zoology • Authors: N.J.L. Heideman --- Department of Zoology and Entomology, South Africa S.R. Daniels --- Department of Botany and Zoology, South Africa P.L. Mashinini --- Department of Zoology and Entomology, South Africa M.E. Mokone --- Department of Zoology and Entomology, South Africa M.L. Thibedi --- Department of Zoology and Entomology, South Africa M.G.J. Hendricke --- Department of Biodiversity and Conservation Biology, South Africa B.A. Wilson --- Western Cape Education Department, South Africa R.M. Douglas --- National Museum, South AfricaThe extent to which sexual dimorphism in snout–vent length, tail length and head shape (length, width and height) manifests itself in the legless fossorial skink subfamily Acontiinae was investigated in representatives of all four of its genera, Acontias, Microacontias, Acontophiops... -
Phylogeography of the African common toad, Amietophrynus regularis, based on mitochondrial DNA sequences: inferences regarding the Cape Verde population and biogeographical patterns
Item type: Journal Article • Journal: African Zoology • Authors: R. Vasconcelos --- CIBIO UP, Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal E. Froufe --- CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Portugal J.C Brito --- CIBIO UP, Centro de Investigação em Biodiversidade e Recursos Genéticos, Portugal S. Carranza --- Institute of Evolutionary Biology (CSIC UPF), Passeig Marítim de la Barceloneta, Spain D.J. Harris --- CIBIO UP, Centro de Investigação em Biodiversidade e Recursos Genéticos, PortugalThe amphibian Amietophrynus regularis is distributed throughout equatorial Africa, with presumed introduced populations in the Cape Verde archipelago. Portions of the 12S and 16S rRNA mitochondrial regions of 30 specimens from Kenya, Uganda, Niger, Mali, Burkina-Faso, Ghana, Guinea-Bissau and Cape... -
South African consumers’ selection criteria for ornamental plants: a market perspective
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Lorraine Middleton --- Department of Biology, South AfricaThe considerations of South African consumers in the ornamental plant sector can be interpreted as selection criteria and be used as a marketing tool to increase the use of indigenous plants for ornamental purposes locally. A countrywide survey was undertaken... -
Frontiers of freedom: race, landscape and nationalism in the coastal cultures of South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Leslie Bank --- Fort Hare Institute of Social and Economic Research, South AfricaThe idea that whiteness is not a natural category but one which requires construction, maintenance and investment has provoked a rich scholarship, including in South Africa. The scholarship on whiteness in southern Africa has been marked, in particular, by a... -
Competing prayers: the making of a Nigerian urban landscape
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Ulrika Trovalla --- The Nordic Africa Institute, SwedenWhile Christians are seen as aspiring to make the Nigerian city of Jos into a Christian city, Muslims are believed to be trying to turn Jos into a Muslim city. There is a struggle over the urban landscape that is... -
The familiar labyrinth: practicing urban disorientation in post-apartheid Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Giovanni Spissu --- Department of Social Sciences, United KingdomIn this article, I discuss how urban disorientation can be used in ethnographic research as an investigative tool to explore the city. In particular, I examine how urban disorientation can be taken as an ethnographic tactic with the purpose of... -
Sustainable tourism development and the world heritage status of the Wadden Sea: The case of Terschelling
Item type: Journal Article • Journal: • Authors: Akke Folmer --- Research Group Marine Wetlands Studies, Stenden University of Applied Sciences, Leeuwarden, The Netherlands Hans Revier --- Research Group Marine Wetlands Studies, Stenden University of Applied Sciences, Leeuwarden, The Netherlands Tamara Cupido --- Research Group Marine Wetlands Studies, Stenden University of Applied Sciences, Leeuwarden, The NetherlandsNational governments and regions make great efforts to obtain international recognition for their natural heritage, for instance through UNESCO’s World Heritage Sites list. Since June 2009, the Dutch Wadden Sea has been on the World Heritage List. Our study investigates... -
The power of research in finance to enhance sustainability – Applied to practice
Item type: Journal Article • Journal: • Authors: Gernot Peichl --- Hilton Tallinn Park, Accounting and Finance Department, Tallinn, EstoniaMany people think of research in the hospitality industry as being difficult to relate to practice. This paper shows not only how theory can be applied to practice, but also how practice is related to theory with regard to concepts... -
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... -
Soil carbon dioxide effluxes from different vegetation environments in semi-arid Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Rebecca Zengeni --- Soil Sciences Department, South Africa Vincent Kakembo --- Department of Geosciences, South Africa Nsalambi Nkongolo --- Centre of Excellence for Geospatial Information Science, USAThough important, CO2 effluxes from non-agricultural ecosystems are poorly characterised. Given that thicket vegetation is prevalent in Eastern Cape, South Africa, we monitored soil CO2 effluxes from an intact thicket, degraded thicket (DT) and grassland (G) over 10 months, as... -
Cape Vulture Gyps coprotheres breeding status in southern Africa: monitoring results from 2010–2014
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kerri Wolter --- VulPro NPO, South Africa Walter Neser --- VulPro NPO, South Africa Margaret T Hirschauer --- VulPro NPO, South Africa Alvaro Camiña --- ACRENASL Environmental Consultants, SpainMonitoring of eight Cape Vulture Gyps coprotheres breeding colonies in South Africa and Botswana took place between 2010 and 2014 using standardised counting methods. Counts of breeding pairs, nestlings and fledglings were used to calculate breeding success and general population... -
Observations and mechanisms of upwelling in the northern KwaZulu-Natal Bight, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Ocean Sciences and Marine Food Security, South Africa C Nieuwenhuys --- Bayworld Centre for Research and Education, South AfricaNew in situ time-series data were acquired by two ADCP moorings placed on the shelf off Richards Bay on the east coast of South Africa at depths of 25 m and 582 m between October 2009 and August 2010. The... -
The strength of Gunnera perpensa’s “evidence of traditional use”
Item type: Journal Article • Journal: South African Family Practice • Authors: Lehlohonolo J Mathibe --- Therapeutics and Medicines Management, Discipline of Pharmaceutical Sciences, South AfricaIn South Africa, and in several countries in the world, several traditional medicines are used often, although their pharmacology is not yet clear and the extent, if any, of their benefit is not scientifically documented. The Australian’s “Therapeutic Goods Administration”... -
Effects of rooting media on root growth and morphology of Brassica rapa seedlings
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael O Adu --- Department of Ecological Sciences, UK David O Yawson --- Department of Soil Science, School of Agriculture, College of Agriculture and Natural Sciences, Ghana Frederick A Armah --- Department of Environmental Science, School of Biological Science, College of Agriculture and Natural Sciences, Ghana Paul A Asare --- Department of Crop Science, School of Agriculture, College of Agriculture and Natural Resources, Ghana Malcolm J Bennett --- Plant and Crop Sciences Division, School of Biosciences, UK Martin R Broadley --- Plant and Crop Sciences Division, School of Biosciences, UK Philip J White --- Department of Ecological Sciences, UK Lionel X Dupuy --- Department of Ecological Sciences, UKRooting media used in current root phenotyping studies can have substantial effect. In this study, the effects of three different nutrient conducting papers (Black construction paper, Anchor blue germination paper and Kimpak paper) and soil-filled boxes on root growth and... -
Cape cormorants decrease, move east and adapt foraging strategies following eastward displacement of their main prey
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RJM Crawford --- Branch: Oceans & Coasts, Department of Environmental Affairs, South Africa RM Randall --- South African National Parks, South Africa TR Cook --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa PG Ryan --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa BM Dyer --- Branch: Oceans & Coasts, Department of Environmental Affairs, South Africa R Fox --- Addo Elephant National Park, South African National Parks, South Africa D Geldenhuys --- CapeNature, Voëlklip, South Africa J Huisamen --- CapeNature, Voëlklip, South Africa C McGeorge --- CapeNature, Voëlklip, South Africa MK Smith --- South African National Parks, South Africa L Upfold --- Branch: Oceans & Coasts, Department of Environmental Affairs, South Africa J Visagie --- CapeNature, Scientific Services, Assegaaibosch Nature Reserve, South Africa LJ Waller --- CapeNature, Voëlklip, South Africa PA Whittington --- Department of Zoology, South Africa CG Wilke --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa AB Makhado --- Branch: Oceans & Coasts, Department of Environmental Affairs, South AfricaNumbers of Cape cormorants Phalacrocorax capensis breeding in South Africa decreased by nearly 50% from approximately 107 000 pairs in 1977–1981 to 57 000 pairs in 2010–2014. Although four colonies had >10 000 pairs in 1977–1981, there was just one... -
Exploring the spatial distribution patterns of South African Cape hakes using generalised additive models
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Grüss --- Institut de Recherche pour le Développement [IRD], France D Yemane --- Branch: Fisheries Management, South Africa TP Fairweather --- Branch: Fisheries Management, South AfricaWe developed delta generalised additive models (GAMs) to predict the spatial distribution of different size classes of South African hakes, Merluccius capensis and M. paradoxus, using demersal trawl survey data and geographical (latitude and longitude) and environmental features (depth, temperature,... -
Observed instances of alarm calling in the Cape Rockjumper
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Krista N Oswald --- Department of Zoology, South AfricaHere I give an account of alarm calls recorded during behavioural observations on Cape Rockjumpers (CRJs) and the potential predators observed nearby. I found CRJs did not produce alarm calls in the presence of Boomslang (a previously known predator of... -
Exploring the invasion of rangelands by Acacia mearnsii (black wattle): biophysical characteristics and management implications
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Onalenna Gwate --- Institute for Water Research, Rhodes University, South Africa Sukhmani K Mantel --- Institute for Water Research, Rhodes University, South Africa Andiswa Finca --- Agricultural Research Council – Animal Production Institute, South Africa Lesley A Gibson --- Department of Construction and Surveying, UK Zahn Munch --- Department of Geography and Environmental Studies, South Africa Anthony R Palmer --- Institute for Water Research, Rhodes University, South AfricaAustralian acacias have spread to many parts of the world. In South Africa, species such as A. mearnsii and dealbata are invasive. Consequently, more effort has focused on their clearing. In a context of increasing clearing costs, it is crucial... -
The power of research in finance to enhance sustainability – Applied to practice
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Gernot Peichl --- Hilton Tallinn Park, Accounting and Finance Department, EstoniaMany people think of research in the hospitality industry as being difficult to relate to practice. This paper shows not only how theory can be applied to practice, but also how practice is related to theory with regard to concepts... -
Sustainable tourism development and the world heritage status of the Wadden Sea: The case of Terschelling
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Akke Folmer --- Research Group Marine Wetlands Studies, The Netherlands Hans Revier --- Research Group Marine Wetlands Studies, The Netherlands Tamara Cupido --- Research Group Marine Wetlands Studies, The NetherlandsNational governments and regions make great efforts to obtain international recognition for their natural heritage, for instance through UNESCO’s World Heritage Sites list. Since June 2009, the Dutch Wadden Sea has been on the World Heritage List. Our study investigates... -
How well do bird atlas reporting rates reflect bird densities? Correlates of detection from the Fynbos biome, South Africa, with applications for population estimation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Alan TK Lee --- Climate Change BioAdaptation, Kirstenbosch Research Centre, South Africa Phoebe Barnard --- Climate Change BioAdaptation, Kirstenbosch Research Centre, South AfricaRelationships between true population densities and reporting indices from atlas data are important for the calculation of population sizes, though these relationships are remarkably little-known and likely confounded by issues of detection. We examine issues of detection for a single-observer... -
Movement patterns and survival estimates of Blue Cranes in the Western Cape
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Julia L van Velden --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, South Africa Res Altwegg --- Department of Statistical Sciences, South Africa Kevin Shaw --- CapeNature, South Africa Peter G Ryan --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, South AfricaThe Western Cape population of Blue Cranes Anthropoides paradiseus is the species’ largest and most stable population. How this population utilises the agricultural landscape of the Western Cape, how far individuals disperse and the connectivity between subpopulations is unknown. Basic... -
Natal philopatry in young Cape Vultures Gyps coprotheres
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Margaret T Hirschauer --- VulPro NPC, South Africa Kerri Wolter --- VulPro NPC, South Africa Walter Neser --- VulPro NPC, South AfricaIn 2010, 14 Cape Vulture Gyps coprotheres chicks were ringed as nestlings on the cliffs at the Skeerpoort Cape Vulture colony in the Magaliesberg mountains, South Africa. Observations made during the 2014 and 2015 breeding colony censuses confirm two individuals... -
First report of neonatal bacteraemia caused by blaNDM-1 Raoultella ornithinolytica
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Yesholata Mahabeer --- Department of Medical Microbiology, South Africa Ashika Singh-Moodley --- Centre for Opportunistic, Tropical and Hospital Infections, South Africa Harshavadan Mackanjee --- Department of Paediatrics, South Africa Olga Perovic --- Centre for Opportunistic, Tropical and Hospital Infections, South Africa Koleka P Mlisana --- Department of Medical Microbiology, South AfricaRaoultella ornitholytica, an environmental organism, has only recently been reported as a cause of infections in humans, and is associated mainly with bacteraemia in elderly patients. Carbapenem resistance is unusual in Raoultella spp. We describe the first paediatric case of... -
Potential of producing green mealies in summer and winter at two sites in KwaZulu-Natal, South Africa, considering rainfall, soil moisture and weeding
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Dolapo B Akinnuoye-Adelabu --- Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Albert T Modi --- Crop Science, School of Agricultural, Earth and Environmental Sciences, South Africa Tafadzwanashe Mabhaudhi --- Crop Science, School of Agricultural, Earth and Environmental Sciences, South AfricaProducers are exploring possibilities of growing major crops outside the normal growing seasons due to environmental challenges associated with climate change. This study evaluated growth and yield of maize (Zea mays ‘SC701′) in relation to planting season and weeding. Field... -
Three new species of Arthroleptella Hewitt, 1926 (Anura: Pyxicephalidae) from the Cape Fold Mountains, South Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Andrew Turner --- , South Africa Alan Channing --- , South AfricaA comprehensive survey of the Cape Fold Mountains, South Africa, was undertaken for moss frogs of the genus Arthroleptella. Advertisement calls were recorded and voucher specimens collected for all populations encountered. A molecular phylogeny was constructed for the entire genus... -
Estimation of taper rates and volume of smaller-sized logs in spotted gum saw timber plantations in Southeast Queensland, Australia
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: TN Maraseni G Cockfield A ApanSpotted gum (Corymbia citriodora subsp. variegata) is a popular tree species for hardwood saw timber plantations in Southeast Queensland (SEQ), Australia. In many parts of the world, logs up to 10cm top diameter are considered to be merchantable logs and... -
Forest structural assessment using remote sensing technologies: an overview of the current state of the art
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: JW Roberts S Tesfamichael M Gebreslasie J. van Aardt FB AhmedThe Forestry and Forest Products Research Centre (CSIR), University of KwaZulu-Natal and MONDI Business Paper have recently embarked on a remote sensing cooperative. The primary focus of this cooperative is to explore the potential benefits associated with using remote sensing... -
Long-term trends in cetacean occurrence during the annual sardine run off the Wild Coast, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Caputo --- Department of Zoology and Entomology, South Africa PW Froneman --- Department of Zoology and Entomology, South Africa D du Preez --- School of Environmental Sciences, South Africa G Thompson --- KwaZulu-Natal Sharks Board, South Africa S Plön --- School of Environmental Sciences, South AfricaDuring the austral winter, cetaceans and other apex predators follow the annual northeastward movement of shoaling sardines, known as the sardine run, along the southeast coast of South Africa, including a 400-km stretch called the Wild Coast. In total, 131... -
High occurrence of extra-pair partnerships and homosexuality in a captive Cape Vulture Gyps coprotheres colony
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Margaret T Hirschauer --- VulPro NPC, South Africa Kerri Wolter --- VulPro NPC, South AfricaThe Cape Vulture Gyps coprotheres is an Endangered colonial cliff-nesting species that is typically cited as monogamous. Observations of wild Cape Vulture colonies note extra-pair breeding activities but homosexual activity has never been confirmed. Observations of breeding behaviours within a... -
Sexual dimorphism and plumage characteristics of juvenile Cape Vultures Gyps coprotheres
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nobuhle T Mabhikwa --- Department of Forest Resources and Wildlife Management, Zimbabwe Margaret T Hirschauer --- VulPro NPO, South Africa Kerri Wolter --- VulPro NPO, South AfricaThe plumage of young Cape Vultures Gyps coprotheres is streaked to varying degrees on the breast, ruff and upper wing coverts. Observations of breast plumage (individual feather streak coverage and overall streaking intensity) were made on Cape Vultures aged one... -
Longer rest periods for intensive rotational grazing limit diet quality of sheep without enhancing environmental benefits
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Warwick B Badgery --- Orange Agricultural Institute, AustraliaIntensive rotational grazing systems (also called cell grazing, holistic grazing or time-controlled grazing) are often implemented to improve production and environmental outcomes. Over recent years there has been considerable interpretation and adaption of the holistic principles that guide the management... -
Space use by Rhabdosargus holubi in a southern African estuary, with emphasis on fish movements and ecosystem connectivity
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GN Grant --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa RH Bennett --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaTwenty-one juvenile Cape stumpnose Rhabdosargus holubi (140–190 mm fork length) were tagged with internal acoustic transmitters in the lower, middle and upper reaches of the Kowie Estuary, South Africa. The movements of each fish were continually monitored from October 2014... -
Survival and long-term growth of eucalypts on semi-arid sites in a Mediterranean climate, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ben du Toit --- Department of Forest and Wood Science, South Africa Gideon F Malherbe --- Department of Forest and Wood Science, South Africa Anton Kunneke --- Department of Forest and Wood Science, South Africa Thomas Seifert --- Department of Forest and Wood Science, South Africa C Brand Wessels --- Department of Forest and Wood Science, South AfricaFour experiments were established on the semi-arid west coast plain of South Africa during the 1990s. The trails tested the survival and growth of several eucalypt species and hybrids, some of which were established in a climate that is drier... -
Horizontal transfer of OXA-23-carbapenemase-producing Acinetobacter species in intensive care units at an academic complex hospital, Durban, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Khine Swe Swe-Han --- Department of Medical Microbiology, South Africa Melendhran Pillay --- Department of Medical Microbiology, South Africa Desmond Schnugh --- Infection Control Services Laboratory, Department of Clinical Microbiology and Infectious Diseases, South Africa Koleka P Mlisana --- Department of Medical Microbiology, South Africa Kamaldeen Baba --- Department of Medical Microbiology, National Health Laboratory Service, South Africa Manormoney Pillay --- Medical Microbiology and Infection Control, School of Laboratory Medicine & Medical Science, South AfricaIntroduction: Carbapenemase production is an important mechanism of carbapenem resistance in Acinetobacter species. This study investigated the presence of the carbapenem-hydrolysing class D β–lactamase- encoding genes, blaOXA-23 and blaOXA-58, and their association with the spread of multidrug-resistant (MDR) Acinetobacter species... -
The emergency management of a rape case in a nutshell: adolescent and adult cases
Item type: Journal Article • Journal: South African Family Practice • Authors: JM Kotzé --- Department of Forensic Medicine, South Africa H Brits --- Department of Family Medicine, South AfricaThe management of a rape case in the emergency department is shrouded in an unacceptable level of lack of confidence. Since South Africa has a high incidence of rape, the contribution of health practitioners in addressing the crime successfully is... -
Estimating Cape hare occupancy and abundance in southern Tunisia using spotlighting data
Item type: Journal Article • Journal: African Zoology • Authors: Chammem Mohsen --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Karssene Yamna --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Jarray Mohsen --- Laboratoire d’Elevage et de la Faune Sauvage, Tunisia Khorchani Touhami --- Laboratoire d’Elevage et de la Faune Sauvage, TunisiaThis study outlines the importance of integrating spotlighting data and occupancy modelling to estimate the spatial occupancy, abundance and habitat preferences of Cape hares Lepus capensis in southern Tunisia. Exploring the spatial distribution pattern of this species is problematic because... -
(Un)becoming Mountain Tigers Football Club: an ethnography of sports among the Western Cape’s farm workers
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Tarminder Kaur --- Institute for Reconciliation and Social Justice, University of the Free State, South AfricaIn 1999, farm workers at commercial farms in Louwshoek valley, Western Cape, founded the Mountain Tiger Football Club (MTFC). In addition to playing self-organised (unofficial) football for money (or other stakes), the MTFC had a stint of competing in the... -
Farm worker identities contested and reimagined: gender, race/ethnicity and nationality in the post-strike moment
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Åsa Eriksson --- Department of Ethnology, History of Religions and Gender Studies, SwedenIn 2012/2013, widespread rural unrest — commonly referred to as the “farm worker strike” — broke out in the Western Cape, South Africa. This exposed not only poor salaries and working conditions, but also the disparity between representations of farm... -
Microfossils in surface sediments of brackish waters on the west coast of South Africa and their palaeoecological implications
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: S Fürstenberg --- Institute of Geosciences, Friedrich Schiller University Jena, Germany N Gründler --- Institute of Geosciences, Friedrich Schiller University Jena, Germany S Meschner --- Institute of Geosciences, Friedrich Schiller University Jena, Germany P Frenzel --- Institute of Geosciences, Friedrich Schiller University Jena, GermanyA faunistic survey covering 25 sites in estuaries, coastal lakes and ponds along the west coast of South Africa between the Cape of Good Hope in the south and the Olifants River in the north was carried out in May... -
Comparative genetic structure in two high-dispersal prawn species from the south-west Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TK Mkare --- Kenya Marine and Fisheries Research Institute, Kenya JC Groeneveld --- Oceanographic Research Institute (ORI), South Africa PR Teske --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South Africa CA Matthee --- Evolutionary Genomics Group, Department of Botany and Zoology, South AfricaThe penaeid prawns Fenneropenaeus indicus and Metapenaeus monoceros support shallow-water prawn fisheries in the south-west Indian Ocean. They are sympatric and have similar life histories, including developmental stages that depend on estuarine and marine habitats and a short dispersal duration... -
Habitat variables associated with encounters of Hottentot Buttonquail Turnix hottentottus during flush surveys across the Fynbos biome
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Alan TK Lee --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Dale R Wright --- BirdLife South Africa, South Africa Brian Reeves --- Eastern Cape Parks and Tourism Agency, South AfricaThe Hottentot Buttonquail Turnix hottentotus is an endangered terrestrial turnicid and is endemic to the Fynbos biome, South Africa. Due to its secretive nature and apparent rarity almost nothing is known about the species, but its range has been subject... -
Managing human disturbance: factors influencing flight-initiation distance of birds in a West African nature reserve
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bukola Braimoh --- AP Leventis Ornithological Research Institute, University of Jos, Nigeria Soladoye Iwajomo --- Department of Zoology, Faculty of Science, Nigeria Mark Wilson --- British Trust for Ornithology, UK Adams Chaskda --- AP Leventis Ornithological Research Institute, University of Jos, Nigeria Afan Ajang --- AP Leventis Ornithological Research Institute, University of Jos, Nigeria Will Cresswell --- AP Leventis Ornithological Research Institute, University of Jos, NigeriaEscape behaviour in response to perceived predators can be employed as a guide when designating protected areas around sensitive bird species to minimise the impact of human disturbance. A key measure of escape response is flight-initiation distance (FID), the distance... -
Volume estimation of Cryptomeria japonica logs in southern Brazil using artificial intelligence models
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Carlos R Sanquetta --- Forest Sciences Department, Brazil Luani RO Piva --- Postgraduate Program on Tropical Forests Sciences, Brazil Jaime Wojciechowski --- Professional and Technological Education Sector, Brazil Ana PD Corte --- Forest Sciences Department, Brazil Ana B Schikowski --- Forest Sciences Department, BrazilThis study aimed to test taper functions and artificial intelligence (AI) models in order to estimate merchantable volumes of Japanese cedar (Cryptomeria japonica) trees in a homogenous plantation in southern Brazil. A total of 30 individuals were rigorously scaled and... -
Do we miss half of the injuries sustained during rape because we cannot see them? An overview of the use of toluidine blue tissue stain in the medical assessment of rape cases
Item type: Journal Article • Journal: South African Family Practice • Authors: JM Kotzé --- Department of Forensic Medicine and Department of Family Medicine, South Africa H Brits --- Department of Family Medicine, South AfricaThe prosecution of rape cases is difficult due to the absence of eyewitnesses. McCauley found that the detection of vaginal lacerations increased from one in 24 to 14 in 24 in reported adult rape cases when toluidine blue was used... -
“On paper” and “having papers”: Zimbabwean migrant women’s experiences in accessing healthcare in Giyani, Limpopo province, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Tamuka Chekero --- Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South Africa Fiona C. Ross --- Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South AfricaSouth Africa is signatory to international protocols that secure migrant rights to healthcare. Its national health policy prohibits discrimination. Pregnant women and children under six years ostensibly enjoy access to free healthcare, irrespective of migration status. What is clear “on... -
Sexing Cape Vulture Gyps coprotheres based on head morphometrics
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Margaret T Hirschauer --- VulPro NPC, Skeerpoort, South Africa Tapiwa Zimunya --- VulPro NPC, Skeerpoort, South Africa Kerri Wolter --- VulPro NPC, Skeerpoort, South Africa Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, SwazilandThe Cape Vulture Gyps coprotheres is considered sexually monomorphic in the literature, but visual differences in head shape between the sexes have been observed. Furthermore, head morphometrics of other Gyps species show statistically significant variation between the sexes. We show... -
The effect of Holistic Planned Grazing™ on African rangelands: a case study from Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mike Peel --- Agricultural Research Council–Animal Production Unit, South Africa Marc Stalmans --- International Conservation Services, South AfricaHolistic Planned Grazing™ (HPG) is purported to have positive long-term effects on rangelands, enhancing ecosystem services. Given comparable environmental templates, but different management regimes, vegetation monitoring and landscape function analysis showed the Africa Center for Holistic Management (ACHM) at Dimbangombe... -
Through the lens of a herder: insights into landscape ethno-ecological knowledge on rangelands in Namaqualand
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Mogamat Igshaan Samuels --- Agricultural Research Council, South Africa Melvin Swarts --- Agricultural Research Council, South Africa Amy Schroeder --- Department of Biodiversity and Conservation Biology, South Africa Khululiwe Ntombela --- Agricultural Research Council, South Africa Clement Cupido --- Agricultural Research Council, South AfricaPastoral areas around the world, including South Africa, are resource poor and external development interventions to improve conditions have largely been unsuccessful. It has been advocated that the focus should shift from external stakeholders to local pastoralists by incorporating the... -
A theoretical framework for airport-centric developments: The cases of OR Tambo and Cape Town international airports in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Masilonyane Mokhele --- Department of Town and Regional Planning, Faculty of Informatics and Design, South Africa Hermanus S. Geyer --- Department of Geography and Environmental Studies, Centre for Regional and Urban Innovation and Statistical Exploration (CRUISE), South AfricaWith a wealth of valuable literature, airports are a topical subject matter on the nexus between transportation technology advancements and land use. While acknowledging the insights of literature, it is argued that improvements are required on the theoretical framework for... -
The age and growth of hottentot seabream Pachymetopon blochii before and after the South African linefish state of emergency in 2000
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MW Farthing --- Department of Ichthyology and Fisheries Science, South Africa AC Winkler --- Department of Ichthyology and Fisheries Science, South Africa K Anderson --- Department of Ichthyology and Fisheries Science, South Africa S Kerwath --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa C Wilke --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South AfricaThe hottentot seabream Pachymetopon blochii is a small-sized (maximum 2.67 kg) sparid endemic to southern Africa. It is an important target in South Africa's Western Cape traditional linefishery, particularly in the absence of more valuable pelagic species (such as Thyrsites... -
Experience of a recreational diabetic day by a non-governmental organisation, T1 Diams, in Mauritius
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Pravesh Kumar Guness --- Department of Therapeutic Education, T1 Diams --- Department of Therapeutic Education,Background: T1 Diams, a non-profit organisation on the island of Mauritius, has been working on the implementation of therapeutic and educational activities for its members. It regularly organises a recreational diabetic day (‘Enjoy life’ or ‘T1 Diams en Balade’). -
Antimicrobial resistance surveillance in the South African public sector
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Olga Perovic --- Centre for Healthcare-Associated Infections (HAIs), Husna Ismail --- Centre for Healthcare-Associated Infections (HAIs), Erika Van Schalkwyk --- Centre for Healthcare-Associated Infections (HAIs),Electronic surveillance for antimicrobial resistance was established in 2013 for public sector laboratories and released annually. This article reports susceptibility data on ESKAPE pathogens for 2016. -
Antimicrobial resistance surveillance in the South African private sector report for 2016
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Olga Perovic --- Centre for Healthcare-Associated Infections (HAIs), Antimicrobial Resistance (AMR) and Mycoses, Husna Ismail --- Centre for Healthcare-Associated Infections (HAIs), Antimicrobial Resistance (AMR) and Mycoses, Erika Van Schalkwyk --- Centre for Healthcare-Associated Infections (HAIs), Antimicrobial Resistance (AMR) and Mycoses, Warren Lowman --- Department of Clinical Microbiology and Infectious Diseases, School of Pathology, Elizabeth Prentice --- Ampath Microbiology National Reference Laboratory, Marthinus Senekal --- Pathcare Pathology Group Reference Laboratory, Chetna N Govind --- Department of Clinical Microbiology, South AfricaAim: The relevance of surveillance for antimicrobial resistance is increasingly recognised in the light of a global action plan to combat resistance. This report presents antimicrobial susceptibility testing on ESKAPE pathogens from private sector laboratories in South Africa for 2016. -
Possible influences of a macroalgal bloom in eelgrass beds on fish assemblages in the lower Knysna Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Pollard --- South African Environmental Observation Network, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity, South Africa AN Hodgson --- Department of Zoology & Entomology, South AfricaThe occurrence of a macroalgal bloom at eelgrass (Zostera capensis) sampling sites in the summer of 2014/2015 provided an opportunity to use underwater video cameras to monitor the possible effects of environmental change on fish diversity and abundance in the... -
Of Oceanic Crossings and Discordant Cultural Adaptations in Post-apartheid Neo-slave Narration
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Serah Namulisa Kasembeli --- English Studies Department, South AfricaThis paper adopts the sea as a productive metaphor to interrogate colonial and apartheid constructions that silence African Indian Ocean cultures. It analyses Therese Benadé’s debut novel, Kites of Good Fortune (2004) to show that whereas the novel depicts the... -
Before the Anthropocene: human pasts in Karoo landscapes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: David Morris --- McGregor Museum, South AfricaKaroo landscapes today are replete with evidence of recent human impacts. The Karoo is relatively pristine in the South African imaginary, but it is not untouched. Social and historic change in the last 300 years has been dramatic. The article... -
Correlates of Post-Traumatic Stress Disorder diagnosis among rape survivors: Results and implications of a South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nombulelo Veronica Sepeng --- Department of Nursing Science, Faculty of Health Sciences, Prinshof Campus, School of Health Care Sciences, South Africa Lufuno Makhado --- Department of Nursing Science, Faculty of Health Sciences, South AfricaThis study aimed to describe factors associated with the experience of Post-Traumatic Stress Disorder (PTSD) among rape survivors. Participants were female survivors attending a treatment centre in South Africa (black = 85%, coloured = 15%; age range = 18 to... -
Age, growth and natural mortality of blue jack mackerel Trachurus picturatus (Carangidae) from the Canary Islands, Spain (NW Africa)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Jurado-Ruzafa --- , Spain MTG Santamaría --- , SpainStatus assessment of exploited fish populations is a general requirement to ensure sustainability of fisheries in both global and local contexts. The blue jack mackerel Trachurus picturatus (Bowdich, 1825) remains unassessed in a data-limited fishery in the eastern central Atlantic,... -
Emergency Centre-based paediatric procedural sedation: current practice and challenges in Cape Town
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: A Burger --- Department of Anaesthesia and Perioperative Medicine, South Africa PW Hodkinson --- Department of Surgery, Division of Emergency Medicine, South Africa LA Wallis --- Joint Division of Emergency Medicine, South AfricaBackground: The aims and objectives of this survey of the current practice of doctors working in Emergency Centres (ECs) in the Cape Town metropole was to assess clinical practice and attempt to identify obstacles to the practice of paediatric procedural... -
Parent-carer awareness and understanding of dyspraxia: Implications for child development support practices
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Athena Pedro --- Department of Psychology, South Africa Tessa Goldschmidt --- Department of Psychology, South Africa Lito Daniels --- Department of Psychology, South AfricaDyspraxia manifests as difficulty in thinking, planning, and executing planned movements or tasks. Dyspraxia affects roughly 5–6% of school aged children. This study aimed to explore parent-carer’s awareness and understanding of dyspraxia and the resources they self-perceived to need to... -
Spatial variation in meristic and morphometric characteristics of sardine Sardinops sagax around the coast of southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Groenewald --- Marine Research Institute and Department of Biological Sciences, South Africa CL Moloney --- Marine Research Institute and Department of Biological Sciences, South Africa CD van der Lingen --- Marine Research Institute and Department of Biological Sciences, South AfricaSpatial variability in phenotypic characteristics within a fish population may be used to infer the existence of multiple stocks, and knowledge of the population structure of exploited species is important for their sustainable management. In this study we investigated geographic... -
Psychological management intervention guidelines for rape survivors with post-traumatic stress disorder (PTSD): A brief exploratory systematic literature review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nombulelo Veronica Sepeng --- Faculty of Health Sciences, Prinshof Campus, Department of Nursing, South Africa Lufuno Makhado --- School of Health Sciences, Research office, South AfricaThis exploratory systematic literature review aimed to characterise the current evidence on psychological management intervention guidelines for use with rape survivors with post-traumatic stress disorder (PTSD) symptoms. For the data searches we accessed the following electronic databases: Google Scholar, Science... -
Managing dyspraxia: Pre-school teachers’ perceptions, experiences and strategies
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Athena Pedro --- Department of Psychology, South Africa Tessa Goldschmidt --- Department of Psychology, South AfricaDyspraxia is a childhood developmental disorder that manifests as a difficulty in thinking, planning, and executing planned movements or tasks. Dyspraxia affects approximately 5–6% of school-aged children. This study aimed to explore pre-school teachers’ awareness and understanding of dyspraxia, and... -
Morphological differentiation among populations of Sarotherodon melanotheron melanotheron Rüppell 1852 across the West African Lagoon systems (Benin, Cameroon, Nigeria, Togo)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MO Popoola --- Department of Zoology, Nigeria FDB Schedel --- SNSB-Bavarian State Collection Zoology, Germany MA Akintoye --- Department of Zoology, NigeriaMorphometric variation among populations of Sarotherodon melanotheron melanotheron across its natural range (Mahin, epe, Lekki, Apese, Kuramo, Lagos, Iyagbe, Ologe, Badagry, Yewa – Nigeria; Be Lagoon – Togo; Idenau – Cameroon, Aheme – Benin; Portonovo – Benin) were studied to... -
Developing a taper model for the Pinus elliottii × P. caribaea var. hondurensis hybrid in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Madeleen Algera --- Planning Department, Komatiland Forest, South Africa Christoph Kätsch --- Postgraduate Forest Programme, South Africa Paxie W Chirwa --- Postgraduate Forest Programme, South AfricaA relatively new hybrid, Pinus elliottii × P. caribaea var. hondurensis (Pexc), for which a taper model does not exist, is being planted commercially in South Africa. This study primarily focused on developing a taper model for Pexc in South... -
Mixed-effect non-linear modelling for diameter estimation along the stem of Tectona grandis in mid-western Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Luciano Rodrigo Lanssanova --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Sebastião do Amaral Machado --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, Brazil Alexandre Techy de Almeida Garrett --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Izabel Passos Bonete --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Allan Libanio Pelissari --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, Brazil Afonso Figueiredo Filho --- Postgraduate Program of Forestry Sciences, Department of Forest Engineering, Brazil Franciele Alba da Silva --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, Brazil Lucas Dalmolin Ciarnoschi --- Postgraduate Program of Forestry Engineering, Department of Forest Engineering, BrazilThis study evaluated the efficiency of taper functions and the application of mixed-effect modelling for diameter estimation along the stems of Tectona grandis. We sampled 266 trees of Tectona grandis, measuring the diameter at relative heights for volume determination, grouping... -
Determinants of serum 25-hydroxyvitamin D levels in healthy young adults living in the Western Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: J Visser --- Division of Human Nutrition, Department of Global Health, South Africa K Knight --- Division of Human Nutrition, Department of Global Health, South Africa L Philips --- Division of Human Nutrition, Department of Global Health, South Africa W Visser --- Division of Dermatology, South Africa M Wallace --- Cancer Association of South Africa (CANSA), Cape Town, South Africa, DG Nel --- Centre for Statistical Consultation, South Africa R Blaauw --- Division of Human Nutrition, Department of Global Health, South AfricaBackground: Vitamin D deficiency is fast emerging as a global pandemic. In South Africa few studies have been conducted to determine the vitamin D status of the healthy population. -
Genetic structure associated with habitat diversification supports the independent evolution of ecomorphs in Bradypodion pumilum
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Krystal A Tolley --- , South Africa Kevin P Hopkins --- , South Africa Jessica M da Silva --- , South AfricaThere are notable examples of repeated evolution of ecomorphs within groups of closely related species, these are typically viewed as remarkable cases of natural selection. In most cases, directional selection for certain phenotypic traits under specific (and differing) environmental conditions... -
Theoretical turns through tourism taste-scapes: the evolution of food tourism research
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sally Everett --- King’s Business School, United KingdomThis article reflects on the evolution of food tourism research by tracing its conceptual, theoretical and empirical twists and turns over the past few decades. Prompted by some recent systematic reviews of food tourism studies, I draw on literature to... -
Factors that influence firewood use among electrified Bapedi households of Senwabarwana Villages, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Khomotso Semenya --- College of Agriculture and Environmental Sciences, Republic of South Africa Fannie Machete --- College of Agriculture and Environmental Sciences, Republic of South AfricaThis paper presents the factors that influence firewood use among electrified Bapedi households in Senwabarwana Villages. The study follows explanatory and exploratory methods of data analysis, through survey (structured interviews) and meta-analysis. In-depth content analysis was followed to establish trends... -
Can long-term content analysis of print media be used to examine species composition, population demography and changes in distributional range of recreational fishery species?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts --- Department of Ichthyology and Fisheries Science, South Africa T Jordan --- Department of Ichthyology and Fisheries Science, South Africa A-R Childs --- Department of Ichthyology and Fisheries Science, South AfricaAlthough marine recreational fisheries are socially and economically important, there is often limited funding for their monitoring and assessment. With South African anglers reporting catch declines for almost all targeted species and little long-term monitoring data available, novel methods need... -
Early childhood socio-emotional development indicators: Pre-school teachers’ perceptions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tessa Goldschmidt --- Department of Psychology, South Africa Athena Pedro --- Department of Psychology, South AfricaThis study explored pre-school teachers’ classroom experiences of socio-emotional development in early childhood. Participants were twelve coloured/mixed race pre-school teachers from low-income communities in Cape Town, South Africa. The teachers completed semi-structured interviews focusing on their classroom experiences of socio-emotional... -
Present practices of rape care management in Thuthuzela Care Centres of the North West Province
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nombulelo Veronica Sepeng --- Faculty of Health Sciences, Prinshof Campus, School of Health Care Sciences, South Africa Lufuno Makhado --- Research Office, School of Health Sciences, South AfricaWe aimed to characterise practices of rape care management centres in a South African setting. Participants were rape survivors consulted in Thuthuzela care centres of the North West Province. They indicated which acute medical management they received when reporting rape,... -
Characterisation of selected micro-estuaries and micro-outlets in South Africa using microalgal, zooplanktonic and macrozoobenthic assemblages
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ML Magoro --- South African Institute for Aquatic Biodiversity, South Africa T Dalu --- South African Institute for Aquatic Biodiversity, South Africa LRD Human --- Department of Botany, South Africa R Perissinotto --- DST/NRF SARChI Chair in Shallow Water Ecosystems, South Africa SHP Deyzel --- South African Environmental Observation Network (SAEON), South Africa TH Wooldridge --- Department of Zoology, Institute for Coastal and Marine Research (CMR), South Africa JB Adams --- DST/NRF SARChI Chair in Shallow Water Ecosystems, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity, South AfricaSouth Africa has approximately 200 micro-estuaries and micro-outlets along its more than 3 000 km of coastline. Many of these microsystems (i.e. micro-outlets and micro-estuaries) share some characteristics with temporarily open/closed estuaries, but differ in that they are supplied by... -
A snapshot assessment of the diet of Cape fur seals Arctocephalus pusillus pusillus at Ilha dos Tigres, Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Winkler --- Department of Ichthyology and Fisheries Science, South Africa S Mannheim --- Department of Ichthyology and Fisheries Science, South Africa A-R Childs --- Department of Ichthyology and Fisheries Science, South Africa C Santos --- Biologia Faculdade de Ciências, Angola C de Beer --- Department of Ichthyology and Fisheries Science, South Africa MJ Smale --- Department of Zoology and Institute for Coastal and Marine Research, South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South AfricaThe population of Cape fur seal Arctocephalus pusillus pusillus at Ilha dos Tigres off the coast of southern Angola is expanding. Until now the only available biological information on the population has been its demographic parameters, and this insufficiency has... -
Phytochemical screening and antimicrobial investigation of Moringa oleifera leaf extracts
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwole Solomon Oladeji --- Department of Physical Sciences, Faculty of Pure and Applied Sciences, PMB 1001, Km 4, Ipetu Road, Omu-Aran, Kwara State, Nigeria Kehinde Abraham Odelade --- Department of Microbiology, Faculty of Natural and Agricultural Sciences, Private Bag X2046, Mmabatho 2735, South Africa Julius Kola Oloke --- Department of Pure and Applied Biology, PMB 4000, Ogbomoso, Oyo State, NigeriaPhytochemical screening and antimicrobial analysis of Moringa oleifera leaf collected from Ogbomoso, Nigeria were carried out. The secondary metabolites in M. oleifera leaf were extracted by maceration using chloroform, ethyl acetate and ethanol. Some important bioactive compounds or metabolites in... -
Review of fish life history strategies associated with warm temperate South African estuaries and a call for effective integrated management
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NA Strydom --- Department of Zoology, South Africa Y Kisten --- Department of Zoology, South AfricaRefuge and feeding areas for young fish in estuaries are important for the survival of fish and replenishment of coastal fish stocks, particularly in the temperate south east coast of southern Africa. Larvae and juveniles of important fishery species recruit... -
Chondrichthyans as an umbrella species-complex for conserving South African biodiversity
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GJ Osgood --- Department of Biology, Canada ME McCord --- South African Shark Conservancy (SASC), South Africa JK Baum --- Department of Biology, CanadaConservation surrogates, such as umbrella and flagship species, could help focus South Africa’s limited resources for research and management and enhance the conservation gains from marine protected areas (MPAs). Sharks, rays and chimaeras (Chondrichthyes), which are charismatic and ecologically diverse,... -
Mapping subtidal estuarine habitats with a remotely operated underwater vehicle (ROV)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Wasserman --- Botany Department, DST/NRF Research Chair in Shallow Water Ecosystems, South Africa L Claassens --- Department of Zoology and Entomology, South Africa JB Adams --- Botany Department, DST/NRF Research Chair in Shallow Water Ecosystems, South AfricaSubtidal habitats have not yet been accounted for in habitat maps of South African estuaries. In this study, a novel method for mapping subtidal estuarine habitats, using a remotely operated underwater vehicle (ROV) piloted from a boat, was developed and... -
Exploring the key components of a contemporary hospitality servicescape: Architecture, theology and community
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Peter Singleton --- , The Netherlands Erwin Losekoot --- , The NetherlandsThis article aims to contribute to the theoretical understanding of the hospitality servicescape. Through this analysis this article makes recommendations to managers on how they can set about creating a genuine sense of welcome and hospitality in a contemporary setting... -
The effect of planting density on the stem form of Pinus patula trees
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: RA Charlton --- , South Africa Z Naghizadeh --- , South Africa A Kunneke --- , South Africa CB Wessels --- , South AfricaIn this study the effect of planting density on the stem form of Pinus patula trees was investigated. Four different spacing treatments of 403, 1 097, 1 808, and 2 981 stems per hectare (spha), and four stem form properties... -
Pied Crows in the Eastern Cape: what bird club records reveal
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- , South Africa Patrick E Hulley --- , South AfricaPublished records by bird clubs in Port Elizabeth, Kenton-on-Sea and Grahamstown (Makhanda) show that until 1980 Pied Crows were seldom recorded in this sector of the Eastern Cape, South Africa. Port Elizabeth, and apparently also East London, was colonised by... -
Ranging behaviour of Long-crested Eagles Lophaetus occipitalis in human-modified landscapes of KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Machawe I Maphalala --- , South Africa Ara Monadjem --- , Eswatini Keith L Bildstein --- , South Africa Shane McPherson --- , South Africa Ben Hoffman --- , South Africa Colleen T Downs --- , South AfricaThe ranging behaviour of raptors in human-altered environments, such as agricultural and suburban landscapes, is becoming increasingly important for conservationists in the context of unprecedented high rates of anthropogenic land use change. We studied the movement ecology of adult Long-crested... -
Movements and growth rates of the broadnose sevengill shark Notorynchus cepedianus in southern Africa: results from a long-term cooperative tagging programme
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TM Engelbrecht --- , South Africa AA Kock --- , South Africa MJ O’Riain --- , South Africa BQ Mann --- , South Africa SW Dunlop --- , South Africa A Barnett --- , AustraliaTop predators are important components of healthy ecosystems but are at risk of overexploitation due to insufficient data on life-history characteristics and population dynamics to guide management. We investigated the movements and growth rates of the broadnose sevengill shark Notorynchus... -
Mozambique Island, Cabaceira Pequena and the Wider Swahili World: An Archaeological Perspective
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Diogo V. Oliveira --- , MozambiqueWhen the Portuguese reached Mozambique Island at the end of the fifteenth century, they encountered a populated coast of diverse communities integrated within a wider Swahili world. Swahili society was in its fundamental nature cosmopolitan, and incorporated arts, cultures, peoples,... -
Interspecific competition for cliff ledges on the Magaliesberg between nesting Verreaux’s Eagles and roosting Chacma baboons
Item type: Journal Article • Journal: African Zoology • Authors: G Malan --- , South Africa K Padayachee --- , South AfricaAnimals that share suitable rock ledges located on near-vertical cliff faces are compelled to interact when using this scarce resource. Because interspecific and exploitative competition for suitable ledges may have a vital influence on the survival and reproduction of Verreaux’s... -
Spatial and ontogenetic variability in the diet and trophic ecology of two co-occurring catsharks (Scyliorhinidae) off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GM van der Heever --- , South Africa CD van der Lingen --- , South Africa RW Leslie --- , South Africa MJ Gibbons --- , South AfricaThe Izak catshark Holohalaelurus regani and the yellow-spotted catshark Scyliorhinus capensis both occur over the continental shelf around South Africa and are often caught together as bycatch in demersal trawls. Yet our understanding of their diet is fragmented, which makes... -
Lobbyscape: A framework about the effect of hotel lobbies’ atmospheric elements on customer satisfaction
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Minoas Pytharoulakis --- , Greece Georgia Zouni --- , GreeceThis article aims to present a new conceptual model about the “lobbyscape” (i.e. the “servicescape” of hotel lobbies or foyers). A review of the existing literature, along with the authors’ expertise, provided four dimensions and 25 atmospheric elements for the... -
Assessing wetland functionality using soil surface indicators in Letšeng- la-Letsie wetland in Quthing District, Lesotho
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Nthuseng Kahlolo --- , Lesotho Botle Mapeshoane --- , Lesotho Peter Chatanga --- , Lesotho Lerato Seleteng-Kose --- , Lesotho Makoala V Marake --- , LesothoWetlands are globally valuable ecosystems as they provide many important services to the human society, yet the ecology of some of them is yet to be understood. This study assessed the functionality of Letšeng-la-Letsie wetland in Lesotho, using the Landscape... -
Changes in pastoral mobility in a semi-arid montane region of South Africa: The role of policy and legislation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M Igshaan Samuels --- , South Africa Nicky Allsopp --- , South Africa M Timm Hoffman --- , South AfricaLegislation and policy are key tools used by governments to change the socio-economic and political landscape of agrarian systems with consequences for mobile pastoralism. This study used the social-ecological systems framework to examine how pastoral mobility in the semi-arid, montane... -
Stock separation of the shallow-water hake Merluccius capensis in the Benguela ecosystem using otolith shape analysis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ENG Shoopala --- , Namibia MR Wilhelm --- , Namibia SC Paulus --- , NamibiaThe fishing industry is an important economic sector in Namibia and South Africa, with the shallow-water hake Merluccius capensis being an important target species. Recent genetic studies of M. capensis found two stocks in the Benguela Current Large Marine Ecosystem,... -
Urban areas have lower species richness, but maintain functional diversity: insights from the African Bird Atlas Project
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Alan Tristram Kenneth Lee --- , South Africa Ulf Ottosson --- , Nigeria Colin Jackson --- , Kenya Sidney Shema --- , Kenya Chevonne Reynolds --- , South AfricaHigh human population growth and rapid urbanisation, particularly in Africa, have led to an increased interest in the impacts of this land-use change on bird communities. The African Bird Atlas Project, where species presence lists are collected in pentads, is... -
Land reform and its impact on the arid South African environment: Riemvasmaak as a case study
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: GS Fleury --- , South Africa MT Hoffman --- , South Africa SW Todd --- , South AfricaThe 75 000 ha, hyper-arid area of Riemvasmaak represents one of the first land restitution cases in post-apartheid South Africa. People who were forcibly removed in 1974 were resettled in 1995. We describe the impact that people and domestic livestock... -
Leopard tortoise Stigmochelys pardalis (Bell, 1928) mortality caused by electrified fences in central South Africa and its impact on tortoise demography
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Sharon Holt --- National Museum, South Africa Liora Kolska Horwitz --- The Hebrew University, Israel Beryl Wilson --- McGregor Museum, South Africa Daryl Codron --- University of the Free State, South AfricaThe leopard tortoise (Stigmochelys pardalis) is among the most ubiquitously distributed chelonian species in Africa. As with other chelonians, however, the species’ slow growth rate, coupled with low survivorship of juveniles, make it susceptible to declines under regimes of environmental... -
First report of glyphosate and paraquat resistance in two Plantago biotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Vhuthu Ndou --- , South Africa Frederick Eksteen --- , Ethel Phiri --- , South Africa Petrus J Pieterse --- , South AfricaResistance to glyphosate in plantago (Plantago lanceolata L.), a serious weed in South Africa, was confirmed in 2003. More recently, a plantago biotype that is putatively resistant to both glyphosate and paraquat was reported. Seeds from a putatively susceptible (S)... -
A decade of surf-zone linefish monitoring in the Dwesa-Cwebe Marine Protected Area, with a preliminary assessment of the effects of rezoning and resource use
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Bullock --- , South Africa A Wood --- , South Africa VA Dames --- , South Africa JA Venter --- , South Africa J Greeff --- , South AfricaAn 11-year assessment of surf-zone linefish (marine fish captured on hook and line) was carried out in the Dwesa-Cwebe Marine Protected Area (MPA) in the Eastern Cape, South Africa, by research fishing to determine species and size composition, movement and... -
Seasonal variation and drivers of zooplankton, macroinvertebrate and littoral fish communities from irrigation ponds in a semi-arid region in the Eastern Cape (South Africa)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Mofu --- , South Africa T Dalu --- , South Africa RJ Wasserman --- , South Africa DJ Woodford --- , South Africa D Khosa --- , South Africa OLF Weyl --- , South AfricaIrrigation ponds are increasingly abundant globally, particularly in water-stressed countries with limited natural surface waters, yet knowledge of their ecology is limited. Here, we assessed zooplankton, macroinvertebrate, and littoral fish communities from irrigation ponds located in the Sundays River Valley... -
Mountain refugia limit anthropogenic suppression in a re-established felid population: the case of the Magaliesberg leopard population in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: R John Power --- , South Africa Matt S Rogan --- , South Africa Vincent N Naude --- , South AfricaAlthough highly adaptable, leopards incur substantial mortality in human-modified landscapes and generally subsist at lower densities than in protected areas. Leopard populations are difficult to enumerate across any landscapes, though there have been strides to improve upon this, particularly in... -
Timing, duration and symmetry of moult in Cape Gannets
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Oluwadunsin E Adekola --- , South Africa Robert JM Crawford --- , South Africa Bruce M Dyer --- , South Africa Azwianewi B Makhado --- , South Africa Leshia Upfold --- , South Africa Peter G Ryan --- , South AfricaLittle has been reported on moult in sulids, including gannets. The Cape Gannet Morus capensis is an endangered seabird endemic to southern Africa. We describe the timing, duration, symmetry and sequence of flight feather moult in Cape Gannets from two... -
The effects of habitat loss and fragmentation on updated estimates of the population of the Agulhas Long-billed Lark Certhilauda brevirostris, a South African endemic
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Steven W Evans --- , South AfricaThe Agulhas Long-billed Lark Certhilauda brevirostris is a South African endemic and is restricted to the fynbos habitat of the Agulhas Plain in the southwestern corner of South Africa. The 1990, 2014, and 2018 land use land cover (LULC) databases... -
Machine learning and regression models to predict multiple tree stem volumes for teak
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ivaldo da Silva Tavares Júnior --- , Brazil Jianne Rafaela Mazzini de Souza --- , Brazil Lucas Sérgio de Sousa Lopes --- , Brazil Leonardo Pereira Fardin --- , Brazil Gianmarco Goycochea Casas --- , Brazil Ricardo Rodrigues de Oliveira Neto --- , Brazil Rodrigo Vieira Leite --- , Brazil Helio Garcia Leite --- , BrazilThe quantification of a stand’s wood stock is one of the most important procedures for Tectona spp. (teak) management. An optimal method for estimating tree volume must accommodate the variation of the data collected in the inventory. This study evaluated... -
A laissez-faire management approach in a grassland landscape results in a fine-scale, spatio-temporally heterogeneous fire pattern
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Marc E Stalmans --- , South Africa Ed TF Witkowski --- , South Africa Kevin Balkwill --- , South AfricaWhat are the spatio-temporal characteristics of a fire pattern that is allowed to develop over time across a species- rich, predominantly grassy landscape? More than 1 300 fires were documented over 13 years in the 48 000 ha Songimvelo Game... -
Bed and Breakfast (B&B) social servicescape and customer satisfaction: Positive emotion mediation and sex moderation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Juan Liu --- , China Xi Li --- , China Hong Chen --- , China Xinwei Su --- , China Runzhe Yu --- , ChinaWe investigated the influence of bed and breakfast (B&B) social servicescape on customer satisfaction, as well as the mediating effect of customer positive emotion and the moderating role of sex. Participants were a convenience sample of 305 B&B customers from... -
Economic Returns of public research and development funding in South Africa: Evidence from the Agricultural Research Council’s table grapes cultivar development programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sukoluhle Mazwane --- , South Africa Moraka Nakedi Makhura --- , South Africa Kenneth Nhundu --- , South Africa Petronella Chaminuka --- , South AfricaThe study sought to estimate the genetic gains and associated monetary value contributed by the TGCD programme of the Agricultural Research Council (ARC). The Just-Pope production function and cost benefit analysis (benefit cost ratio – BCR, and modified internal rate... -
Support for local wines in The Netherlands: opportunities for the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Joost Ijsselmuiden --- , The NetherlandsThis article reports on a research project to measure the current intrinsic competitive value of Dutch wine in comparison to wines from renowned wine countries based on a taste and olfactory evaluation, and to explore the sustainable benefits that local... -
A modified Shiller's cyclically adjusted price-to-earnings (CAPE) ratio for stock market index valuation in a zero-interest rate environment
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Roberto Catanho --- , South Africa Adrian Saville --- , South AfricaThe cyclically adjusted price-earnings ratio (CAPE) is a tool that has become widely used to predict market returns. However, recently, deterioration in its forecast strength has surfaced. At the same time, global long-term interest rates have declined and are expected... -
Diet of a generalist mammalian mesocarnivore in an urban matrix
Item type: Journal Article • Journal: African Zoology • Authors: Jarryd P Streicher --- , South Africa Melanie B Streicher --- , South Africa Tharmalingam Ramesh --- , South Africa Colleen T Downs --- , South AfricaAnthropogenic habitat conversion through urban sprawl is driving mesocarnivores to modify their behaviour and ecology. Thorough knowledge of their feeding ecology is fundamental in understanding the pressures imposed on mesocarnivores by urbanisation. The diet of the water mongoose Atilax paludinosus... -
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... -
Assessment of the realisation of the right to adequate food in the Blue Crane Route (Eastern Cape, South Africa)
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: ML Marais --- , South Africa E Lessing --- , South Africa T Frank --- , South Africa -
Forage legumes from the Mediterranean Fynbos biome of South Africa with potential for domestication: slope aspect affects tissue fibre and mineral composition
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Samson BM Chimphango --- , South Africa Luke H Gallant --- , South Africa M Igshaan Samuels --- , South Africa Odette E Curtis-Scott --- , South Africa A Muthama Muasya --- , South Africa Clement Cupido --- , South Africa James S Boatwright --- , South Africa John Howieson --- , AustraliaFabaceae plants contribute greatly to a high quality of pasture in rangelands, because of high levels of protein in their tissues. Despite this established importance, only a few southern African legumes have been evaluated for nutritional value and domestication. The... -
Smallholder vegetable farmers’ commercialization to enhance rural livelihoods in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lelethu Mdoda --- , South Africa Mzuyanda Christian --- , South AfricaThis study aims at establishing how vegetables can be commercialized to improve rural livelihoods in the Eastern Cape province of South Africa. A structured questionnaire was used to obtain primary data from 120 multi-purposive selected smallholder vegetable farmers. Descriptive statistics,... -
Effect of slope aspect on vegetation characteristics in mountain rangelands of Tajikistan: considerations for future ecological management and restoration
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mounir Louhaichi --- , Tunisia Rajabov Toshpulot --- , Uzbekistan Hloniphani Peter Moyo --- , Jordan Azaiez Ouled Belgacem --- , Kingdom of Saudi ArabiaTajikistan’s rangelands are mostly mountainous and consist of summer and winter pastures. Vegetation structure and composition in these diverse landscapes are generally influenced by environmental factors. The objective of this study was to assess the effects of aspect on vegetation... -
uMama wekhaya: local subjectivities, water infrastructures and grounded perceptions of development in Agnes Rest, Eastern Cape, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Zikhona N. Ngqula --- University of the Witwatersrand, South AfricaThis article provides a window into the lives of the residents of Agnes Rest, a rural village in the Eastern Cape province of South Africa. Using water infrastructures, I explore how two local terms umama wekhaya and abuntu babelungu, express... -
“Working time” in environmental activism: Engaging “slow violence” in the Philippi Horticultural Area
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Matthew Wingfield --- Stellenbosch University, South AfricaTracing the history of activism in post-apartheid South Africa from the Treatment Action Campaign to the Social Justice Coalition, amongst others, one is able to develop an account of various practices and strategies that have been utilised to leverage state... -
Understanding the translocation dynamics of Nile tilapia (Oreochromis niloticus) and its ecological consequences in East Africa
Item type: Journal Article • Journal: African Zoology • Authors: Papius Dias Tibihika --- National Fisheries Resources Research Institute, Uganda Harald Meimberg --- Institute for Integrative Nature Conservation Research, University of Natural Resources and Life Sciences Vienna (BOKU), Austria Manuel Curto --- Institute for Integrative Nature Conservation Research, University of Natural Resources and Life Sciences Vienna (BOKU), AustriaThe Nile tilapia (Oreochromis niloticus) is the second-most economically important fish species in East African countries (EAC), surpassed only by the Nile perch (Lates niloticus). It is the most-farmed freshwater fish species in EAC and the second-most-farmed worldwide. Currently, in... -
Expanding the prevention armamentarium portfolio: A framework for promoting HIV-Conversant Communities within a complex, adaptive epidemiological landscape
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Christopher J. Burman --- , , South Africa Marota Aphane --- , , South Africa Oliver Mtapuri --- , , South Africa Peter Delobelle --- , , South AfricaThe article describes a design journey that culminated in an HIV-Conversant Community Framework that is now being piloted in the Limpopo Province of South Africa. The objective of the initiative is to reduce the aggregate community viral load by building... -
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... -
On Bufo pantherinus A. Smith, 1828 (Anura: Bufonidae), the leopard toad of the southwestern Cape, South Africa, with the designation of a neotype
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: JohnC. Poynton --- , UK Angelo J.L. Lambiris --- University of Durban-Westville, South AfricaThe leopard toad of the southwestern tip of Africa has appeared under the names Bufo pantherinus, Bufo cruciger, Bufo regularis and Bufo pardalis. This paper examines the nomenclatural confusion and proposes a neotype of B. pantherinus A. Smith, 1828, to... -
Pachydactylus katanganus de Witte 1953, a species endemic to the Upemba National Park (Sauria: Gekkonidae)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: DonaldG. Broadley --- Research Associate, Natural History Museum of Zimbabwe,On morphological and zoogeographical grounds, the isolated populations of Pachydactylus katanganus in the Upemba National Park, Katanga, D.R.C., are considered to represent an evolutionary species. -
A new species of Arthroleptella Hewitt, 1926 (Anura: Ranidae) from the Groot Winterhoek mountains of the Western Cape province, South Africa
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: AndrewA. Turner --- Western Cape Nature Conservation Board, South Africa AthertonL. de Villiers --- Western Cape Nature Conservation Board, South Africa Abeda Dawood --- University of Pretoria, South Africa Alan Channing --- University of the Western Cape, South AfricaA new species of Arthroleptella (moss frog), is described from the Groot Winterhoek Mountains in the Western Cape Province, South Africa. The new species is allopatric to other Arthroleptella species. It is distinguished from other Arthroleptella species by its advertisement... -
A new Dwarf Chameleon (Sauria: Bradypodion Fitzinger, 1843) from the Cape Fold Mountains, South Africa
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: WilliamR. Branch --- Bayworld (Port Elizabeth Museum), South Africa KrystalA. Tolley --- South African National Biodiversity Institute, South Africa ColinR. Tilbury --- University of Stellenbosch, South AfricaA new dwarf chameleon, Bradypodion atromontanum Branch, Tolley & Tilbury sp. nov., is described from mountain fynbos habitat in the Great Swartberg Mountains, Western Cape Province, South Africa. It is closest geographically to Bradypodion gutturale but distinguished by its smaller... -
A new species of Arthroleptella Hewitt, 1926 (Anura: Pyxicephalidae) from the Klein Swartberg Mountain, Caledon, South Africa
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: AndrewA. Turner --- Scientific Services, Western Cape Nature Conservation Board, South Africa Alan Channing --- University of the Western Cape, South AfricaA new species of moss frog (genus Arthroleptella) is described from the Klein Swartberg Mountain near Caledon in the Western Cape Province, South Africa to which it is confined. This allopatric species is distinguished from other Arthroleptella species by the... -
Global concentration of wood-pulp production, 1961–2021
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Luiz Moreira Coelho Junior --- Federal University of Paraiba, Brazil Thaisa de Sousa Selvatti --- Federal University of Lavras, Brazil Filipe Vanderlei Alencar --- Federal University of Paraiba, Brazil Anna Manuella Melo Nunes --- Federal University of Paraiba, Brazil Maisa Santos Joaquim --- Universidade de Brasilia, Brazil Edvaldo Pereira Santos Júnior --- Federal University of Paraiba, Brazil Alvaro Nogueira de Souza --- Universidade de Brasilia, BrazilWood pulp is one of the main products of forestry worldwide, being a necessary intermediate product for all types of paper produced. In order to understand the market dynamics of this product, this study analyses the global concentration of the... -
Sunning in Yellow Bishops Euplectes capensis
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: H Dieter Oschadleus --- University of KwaZulu-Natal, South Africa Philipp H Boersch-Supan --- , United KingdomTwo photographic records of a Yellow Bishop Euplectes capensis apparently sunning, at the West Coast National Park, South Africa, are described. There are very few records of sunning in weavers, and this is the first record for this species. -
Therapeutic tool or a hindrance? A phenomenological investigation into the experiences of countertransference in the treatment of sexually abused children
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Tshepo Tlali --- University of Johannesburg,Since its inception in the 1900s, the concept of countertransference has been mired in controversy. Psychoanalytic literature is divided on its utility, significance and its clinical value in psychotherapy. While some psychotherapists have advocated for the importance of therapists’ expertise... -
Low hypoxia tolerance in larvae of the sardine Sardinops sagax and anchovy Engraulis encrasicolus may limit their stock recovery in the northern Benguela upwelling system
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Kunzmann --- Leibniz Centre for Tropical Marine Research (ZMT), Germany RM Imam --- Leibniz Centre for Tropical Marine Research (ZMT), Germany SJ Geist --- Leibniz Centre for Tropical Marine Research (ZMT), GermanyPhysiological traits of five key fish species (Cape hake Merluccius spp., pelagic goby Sufflogobius bibarbatus, Cape horse mackerel Trachurus capensis, European anchovy Engraulis encrasicolus and sardine Sardinops sagax) from the northern Benguela upwelling system (NBUS) were compared during their larval... -
Acoustic telemetry reveals the drivers behind estuary–sea connectivity of an important estuarine-dependent fishery species, Pomadasys commersonnii, in the Breede Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BA Ziko --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TF Næsje --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JD Filmalter --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaThe spotted grunter Pomadasys commersonnii is an important estuarine-dependent fishery species known to spawn along the east coast (KwaZulu-Natal Province) of South Africa. However, recent evidence suggests that this species also spawns along the southwest coast in the Western Cape... -
Three Fibonacci-chain aperiodic algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Raymond Aschheim --- Quantum Gravity Research, USA David Chester --- Quantum Gravity Research, USA Daniele Corradetti --- Universidade do Algarve, Portugal Klee Irwin --- Quantum Gravity Research, USAAperiodic algebras are infinite dimensional algebras with generators corresponding to an element of the aperiodic set. These algebras proved to be an useful tool in studying elementary excitations that can propagate in multilayered structures and in the construction of some... -
The effects of habitat loss and fragmentation on the relative abundance and conservation of Ludwig’s Bustard Neotis ludwigii in South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Steven W Evans --- North-West University, South AfricaLudwig’s Bustard Neotis ludwigii is near-endemic to the semi-arid shrublands of southwestern southern Africa and is listed as Endangered. The primary threat to this species is collisions with overhead powerlines; however, loss and fragmentation of its habitat may contribute to... -
Geographical and seasonal patterns in the diet of Cape fur seals Arctocephalus pusillus pusillus in Namibia, based on extensive scat analyses
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DN Mwaala --- University of Namibia, Namibia MR Wilhelm --- University of Namibia, Namibia SP Kirkman --- Fisheries and the Environment (DFFE): Branch Oceans and Coasts, South Africa J-P Roux --- Ministry of Fisheries and Marine Resources, NamibiaNamibia's population of Cape fur seals Arctocephalus pusillus pusillus is a major constituent of top predator biomass in the northern Benguela upwelling system. Understanding their diet is key to comprehending their role in the ecosystem and potential drivers of recent... -
Grazing capacity change on a small Mediterranean-type South African offshore island following the control of invasive alien European rabbits (Oryctolagus cuniculus)
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- University of KwaZulu-Natal, South Africa --- University of KwaZulu-Natal, South Africa --- Stellenbosch University, South AfricaInvasive alien species (IAS) are one of the most important factors driving extinction rates worldwide. Among the IAS, the impacts of introduced mammals on native biodiversity are most severe, with the European rabbit (Oryctolagus cuniculus) being the most problematic. Globally,... -
A demonstration of the value of recapture data for informing moult phenology models for avian species with imperfect moult data
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Philipp H Boersch-Supan --- , United Kingdom Alan Tristram Kenneth Lee --- University of Cape Town, South Africa Hans-Dieter Oschadleus --- University of KwaZulu-Natal, South AfricaThe Underhill–Zucchini model has revolutionised the study of moult in the context of birds’ annual cycles, but, as for all statistical models, inferences are vulnerable to violations of model assumptions. In particular, the standard Underhill–Zucchini models for moult phenology are... -
Secondary vegetation provides a reservoir of non-timber forest products and agroforestry service options for forestry plantation systems, Maputaland, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: AP Starke --- University of Pretoria, South Africa CJ Geldenhuys --- University of Pretoria, South Africa TG O’Connor --- University of the Witwatersrand, South Africa CS Everson --- University of KwaZulu-Natal, South AfricaTree species providing non-timber forest products (NTFPs) have the potential to enhance the socio-economic value of forestry plantation systems and mitigate biodiversity loss associated with production landscapes in Southern Africa. This can be accomplished by integrating NTFP agroforestry systems with... -
Call to prayer: the sound of the adhan, heritage and shifting urban identity in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Duane Jethro --- University of Cape Town, South Africa Mahoati Arthur Lehloenya --- University of Johannesburg, South AfricaArchitectural analyses of heritage and the city largely focus on the visual and physical properties of buildings and sites. Traces of intangible, sensuous heritage such as sounds, smells and community-lived experience are often left out. This article critiques this tradition... -
“Sing and make music to the Lord”: cultural difference in South Africa’s urban religious soundscapes
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Douglas Bafford --- , United StatesScholars of contemporary Christianity have long noted the importance of sacred music in constructing faith communities and distinguishing religious actors from one another. Drawing on historical and ethnographic evidence gathered over 16 months in Johannesburg, South Africa, I examine the... -
Migrant arrival infrastructures and their impact on Zimbabweans’ mobility and integration in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Shingirai Nyakabawu --- University of the Western Cape, South AfricaThis study argues that arrival infrastructures play a crucial role in shaping the mobility and integration of Zimbabwean migrants in South Africa. By examining the experiences of migrants with access to these infrastructures and those without, the research explores the... -
Analysis of freshwater diatom deformities in the Karoo, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Holmes --- Nelson Mandela University, South Africa EE Campbell --- Nelson Mandela University, South Africa M de Wit --- Africa Earth Observatory Network (AEON) – Earth Stewardship Science Research Institute (ESSRI) Nelson Mandela University, South Africa JC Taylor --- North-West University, South AfricaSeveral studies regarding the effects of excess nutrients and metals as possible causes of deformities found in diatom cells have been conducted in Europe, North America and Australia. This is the first study in South Africa which catalogued and analysed... -
Acoustic assessment of the biomass of aggregated chokka squid Loligo reynaudii on its inshore spawning grounds on the southeast coast of South Africa in the season closed for fishing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: I Hampton --- , South Africa MA Soule --- , South Africa J Mwicigi --- , South AfricaRecent attempts to estimate the biomass of chokka squid Loligo reynaudii on the southeast coast of South Africa by acoustic surveys of the inshore jig-fishing area are described. Pilot surveys of aggregations, covering part of the fishing grounds, were conducted... -
Testing the thermal melanism hypothesis for Cape Cobras (Naja nivea) using community science photographic data
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jody M Barends --- University of Johannesburg, South Africa Kim J Scholtz --- University of the Western Cape, South AfricaAnimal colour is a highly adaptive phenotypic trait that can respond to several selection pressures, including those facilitated by variations in climate. The thermal melanism hypothesis predicts that for ectotherms, selection for darker phenotypes should be highest in cooler areas... -
Therapeutic inertia: a retrospective examination of inpatient management for type 2 diabetes mellitus at a South African regional hospital during a singular hospitalisation
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: KA White --- Harry Gwala Regional Hospital, South Africa S Pillay --- King Edward VIII Hospital, South Africa -
Counting Common Starlings: is Sturnus vulgaris invasive in rural South Africa?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Rhodes University, South Africa Shelley Edwards --- Rhodes University, South AfricaThe numbers of Common Starlings Sturnus vulgaris and indigenous starling species, as well as a subset of other common birds, were recorded from October 2006 to January 2020 at 72 point-count sites along four routes (two urban and two rural)... -
Status and distribution of a novel redfin lineage, Pseudobarbus sp. ‘burchelli Tradouw’ from the Cape Fold Ecoregion of South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Martine S. Jordaan --- , South Africa Stuart Barrow --- , South Africa Wilbert Kadye --- Rhodes University, South Africa Albert Chakona --- NRF-South African Institute for Aquatic Biodiversity (NRF-SAIAB), South AfricaFreshwater fish are threatened globally and in addition, knowledge of their diversity is incomplete and species richness is underestimated. Within the ichthyofauna of the Cape Fold Ecoregion of South Africa, many undescribed lineages exist and for most of these, information... -
Predation on the St Joseph Callorhinchus capensis by Cape fur seals Arctocephalus pusillus pusillus in Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RH Leeney --- Namibia Nature Foundation, Namibia N Dreyer --- Ocean Conservation Namibia, NamibiaChondrichthyans form an important part of marine food webs as top predators and mesopredators. However, little is known about chondrichthyans in Namibian waters and the roles they play in ecosystem function. During efforts to disentangle Cape fur seals Arctocephalus pusillus... -
Wildlife corridors in a Southern African conservation landscape: the political ecology of multispecies mobilities along the arteries of anthropogenic conservation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Michael Bollig --- University of Cologne, GermanyThe decline of biodiversity is a key topic in public discussions around the globe. These debates have triggered massive efforts to increase protected areas and to safeguard the corridors connecting them. The wildlife corridors dealt with in this article are... -
Partitioning the sources of sediment organic carbon in South African seagrass meadows
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Bossert --- Stellenbosch University, South Africa S von der Heyden --- Stellenbosch University, South Africa J Colling --- Stellenbosch University, South Africa A Ndhlovu --- Stellenbosch University, South AfricaIn the sediments of seagrass meadows, allochthonous carbon sources can account for 50–90% of sediment organic carbon (SOC), in which non-seagrass carbon is derived from external organic matter advected into the meadow’s sediments or trapped by the seagrass canopy. Identifying... -
Range expansion of African Red-eyed Bulbul Pycnonotus nigricans in western South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Itxaso Quintana --- Biodiversity and Development Institute, South Africa Salome Willemse --- Biodiversity and Development Institute, South Africa Karis Daniel --- Biodiversity and Development Institute, South Africa Trevor Hardaker --- , South Africa Les G Underhill --- Biodiversity and Development Institute, South AfricaData from five citizen science projects were used to document shifting ranges of two species of bulbul in South Africa. We show that African Red-eyed Bulbuls Pycnonotus nigricans steadily replaced Cape Bulbuls P. capensis in the lower Olifants River valley,... -
Untangling the Magelonidae (Annelida: Polychaeta) of southern Africa, including the description of a new species
Item type: Journal Article • Journal: African Zoology • Authors: Kate Mortimer --- Amgueddfa Cymru-Museum Wales, United Kingdom Dylan T Clarke --- Iziko Museums of South Africa, South Africa‘A monograph on the Polychaeta of Southern Africa’ by J. H. Day, published in 1967 and covering over 700 species, was considered an essential reference text for marine biologists. Nonetheless, despite the major contribution it has made, we now know... -
Rethinking radical veld improvement: a sustainable approach to grazing land restoration?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KP Kirkman --- University of KwaZulu-Natal, South AfricaRadical veld improvement (RVI), a concept explored in southern Africa during the mid to late 1900s, aimed to intensify agricultural landscapes by enhancing veld productivity by incorporating productive forage grasses or legumes, soil nutrient enrichment, or a combination of both... -
Patent-paper citations: A window into the technological impact of Tunisian research
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ridha Mhamdi --- Centre of Biotechnology of Borj-Cedria, TunisiaThis study constitutes the first report evaluating research performance at a national level by analyzing literature references cited in patents. The objective is to quantify the technological impact of the Tunisian research through patent-paper citations. Using the SciVal research analytics... -
A Critical Analysis of the Intersection between Masculinity and Sodomy in Abdulrazak Gurnah’s Novels
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Mohammad Irfan Ul Haq --- Lovely Professional University, India Rasleena Thakur --- Lovely Professional University, IndiaMasculinity Studies, also referred to as Critical Men’s Studies, is an evolving area of research that is gaining momentum within academia, particularly in contemporary African Studies. Critical Men’s Studies scrutinizes the roles and behaviours associated with being male. The locus... -
False rape accusation and its complex ramifications: an analysis of Kuxabene Ubendle (pandemonium)
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Norma Masuku --- University of South Africa,Rape is a crime that inflicts deep-seated scars on the survivors, whether they are men or women. This condition of rape leaves the survivors of rape in a precarious position, with indelible scars that cannot be easily erased. A notable... -
The number of human-simulated predators influences the escape behaviour of bird species in a West African protected area
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ngozi M Okafor --- AP Leventis Ornithological Research Institute, Nigeria Soladoye B Iwajomo --- University of Lagos, Nigeria Bukola DA Azaki --- University of Cape Town, South Africa Manu A Shiiwua --- AP Leventis Ornithological Research Institute, NigeriaContinuous human presence in protected and recreational areas can adversely affect wildlife. Birds perceive the approach by humans as predatory and mostly flee in response, which can be energetically costly, and leads to disruption of foraging activities and interactions with... -
Dung and carrion beetle diversity in small forest patches versus large continuous forest in the southern Cape, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Graham van Bergen --- Nelson Mandela University, South Africa Anina Coetzee --- Nelson Mandela University, South Africa Jan A Venter --- Nelson Mandela University, South Africa Francois Roets --- Stellenbosch University, South Africa Rudi C Swart --- Nelson Mandela University, South AfricaNaturally fragmented indigenous forests in the southern Cape of South Africa are particularly understudied in terms of beetle diversity. This study therefore aimed to determine whether southern Afrotemperate forest dung and carrion beetle diversity differs between continuous forest and naturally... -
Exploring mental health literacy and its intersection with help-seeking behaviours and gender in adolescents in the Western Cape.
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Michelle Scher --- University of South Africa, South Africa Naiema Taliep --- Institute for Social and Health Sciences, University of South Africa, South Africa Ghouwa Ismail --- Institute for Social and Health Sciences, University of South Africa, South AfricaBackground: Adolescent mental illness contributes significantly to both the global and South African burden of mental health. Mental health literacy (MHL) promotes early recognition and intervention and consequently, determines mental health-promoting behaviours. We aimed to explore adolescent MHL and its... -
Pleistocene Hamerkop Scopus umbretta (Scopidae) tracks and other new avian ichnosites on South Africa’s Cape south coast
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Charles W Helm --- Nelson Mandela University, South Africa Given Banda --- Nelson Mandela University, South Africa Andrew S Carr --- University of Leicester, United Kingdom Hayley C Cawthra --- Nelson Mandela University, South Africa Jan C de Vynck --- Nelson Mandela University, South Africa Mark G Dixon --- Nelson Mandela University, South Africa Alex van den Heever --- Magazine Hill, South AfricaEight Pleistocene avian ichnosites have been identified in aeolianites on South Africa’s Cape south coast, adding to the 41 sites previously identified. All the newly identified sites are thought to fall within the age range of marine isotope stages (MIS)... -
Listening to the voices of Namibia’s recreational anglers to improve shore-based fishery resource use and management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NMC Gusha --- University of Namibia, Namibia AM Veii --- University of Namibia, Namibia NM Nghipangelwa --- University of Namibia, Namibia AS Shikongo --- University of Namibia, Namibia CS Bova --- Rhodes University, South Africa A Kanyimba --- University of Namibia, Namibia GH Engelhard --- Fisheries and Aquaculture Science (Cefas), United Kingdom K Hyder --- Fisheries and Aquaculture Science (Cefas), United Kingdom B Snow --- Scottish Association for Marine Science (SAMS), United Kingdom WM Potts --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa MR Wilhelm --- University of Namibia, NamibiaIn most fisheries, the traditional centralised, top-down management approach is still prevalent despite its limited success. While a bottom-up ecosystem-based approach is increasingly preferred, a shift in focus from purely ecological considerations to a socio-ecological system approach is necessary. The... -
Transhumance within private land conservation areas: perspectives from pastoralist landowners in rural Kenya
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Simon M Thiong’o --- Centre for Events, Tourism, and Hospitality Management, Carnegie School of Sport, Leeds Beckett University, Headingley Campus, UKPastoralism in Kenya’s arid and semi-arid regions supports about 10 million indigenous people. While general studies on pastoralist livelihoods exist, limited research explores these dynamics within privately governed landscapes. This study critically examines how land tenure complexities within private land... -
Spatiotemporal shape variation in sagittal otoliths of spotted grunter Pomadasys commersonnii in South African estuaries
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: V Coetzee --- Department of Biological Sciences, University of Cape Town, South Africa S Kerwath --- Department of Biological Sciences, University of Cape Town, South Africa S Lamberth --- Department of Forestry, Fisheries and the Environment (DFFE), South Africa D Parker --- Department of Biological Sciences, University of Cape Town, South AfricaThe morphological structure of fish otoliths is under dual regulation by genetic and environmental factors, and has been successfully used to aid stock delineation. This study examined whether differences in sagittal otolith shape outlines could be used to delineate potential... -
Seasonal consumption of Thamnochortus spicigerus (Restionaceae) by eland is associated with plant sex and nutrient status
Item type: Journal Article • Journal: African Zoology • Authors: Petro Botha --- Department of Botany and Zoology, Stellenbosch University, South Africa Bruce Anderson --- Department of Botany and Zoology, Stellenbosch University, South AfricaHistoric distributions of large herbivores in the Fynbos Biome remain poorly described and, despite ongoing reintroductions, their dietary strategies and forage selection in the Fynbos Biome are understudied. We monitored an introduction of eland into Cape Flats Dune Strandveld vegetation,...
