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Modelling Diameter and Height Distributions through Dispersion Statistics in Even-aged Pine Plantations
Item type: Journal Article • Journal: South African Forestry Journal • Authors: HorstW. Kassier --- , South Africa BrianV. Bredenkamp --- Department of Forest Science, South AfricaDiameter and height distribution recovery, in combination with standlevel projection modelling, is generally used in Southern Africa for predicting growth and yield in even-aged pine plantations. A different approach for modelling diameter and height distributions for five pine species commercially... -
Morphology and ultrastructure of glandular and nonglandular trichomes on the leaves of Athrixia phylicoides (Asteraceae)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Möller --- Department of Plant Production and Soil Science, Faculty of Natural and Agricultural Sciences, E.S. du Toit --- Department of Plant Production and Soil Science, Faculty of Natural and Agricultural Sciences, P. Soundy --- Department of Plant Production and Soil Science, Faculty of Natural and Agricultural Sciences, J. Olivier --- Department of Environmental Sciences,Athrixia phylicoides is one of many plants from the Asteraceae family used as a traditional herbal medicine. Pharmacological evaluation of leaf extracts confirmed that the plant has anti-inflammatory, antihypertensive, narcotic and analgesic properties. The medicinal properties of plants are often... -
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 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... -
Violation of Children's Rights by Traditional and Cultural Practices and the Responses by States in Eastern and Southern Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Symphorosa Rembe --- University of Fort Hare, Kola Odeku --- University of Fort Hare,This article reviews traditional and cultural practices which lead to violation of children's rights in some of the countries in Eastern and Southern Africa and various measures taken by the States to address them. Traditional and cultural practices reviewed include... -
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... -
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... -
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... -
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... -
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... -
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... -
The Effect of Long Term Stratification on the Germination of Pinus Pinaster Ait
Item type: Journal Article • Journal: South African Forestry Journal • Authors: D. G.M. Donald --- ,Trials to determine the effect of long term stratification on Pinus pinaster seed subjected to periods of room temperature storage following cold storage and cold storage only indicated that the former could reduce viability of the seedlots. Dormancy of all... -
Towards the development of an environmental rule-based model for predicting recruitment in Brazilian sardine Sardinella brasiliensis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Jablonski LFL LegeyA rule-based model was built in order to analyse the effects of environmental variables (wind stress, Ekman transport, turbulence, and sea surface temperature [SST]) on the recruitment of the Brazilian sardine Sardinella brasiliensis. The purpose of modelling was (1) to... -
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... -
Distribution and seasonality of cetaceans in tropical waters between Angola and the Gulf of Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CR Weir --- , UKThe species richness, spatial distribution, seasonality and interspecific associations of cetaceans in tropical oceanic waters between the Gulf of Guinea and Angola were examined using 5 905.3 h of dedicated survey effort collected from 13 platforms of opportunity (geophysical vessels)... -
Comparing normal, lognormal and Weibull distributions for fitting diameter data from Akashmoni plantations in the north-eastern region of Bangladesh
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: I Kayes --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh JC Deb --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh P Comeau --- School of Forest Science and Management, Canada S Das --- Department of Statistics, School of Physical Sciences, BangladeshStatistical probability density functions are widely used to model tree diameter distributions and to describe stand structure. The objective of this study was to compare the performance of normal, logarithmic-normal and three-parameter Weibull distributions for fitting diameter data from Akashmoni... -
Gender, famine and HIV/AIDS: rethinking new variant famine in Malawi
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Andy GibbsAlthough making a large and rapid impact on our understandings of the interactions between famine and HIV/AIDS, the new variant famine hypothesis has had little critical scrutiny. This paper uses a case study of the Malawian food crisis of 2001/2002... -
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... -
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... -
Notes on Cuntz-Krieger uniqueness theorems and C*-algebras of labelled graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bernhard BurgstallerIn this note we deal with Cuntz-Krieger uniqueness theorems and extend the class of algebras introduced in [3]. We use this analysis to show two Cuntz-Krieger uniqueness theorems for C*-algebras of labelled graphs. -
Estimating plot-level forest structural attributes using high spectral resolution ASTER satellite data in even-aged Eucalyptus plantations in southern KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MT Gebreslasie FB Ahmed JAN van AardtThis study assessed the suitability of both visible and shortwave infrared of ASTER reflectance bands and various vegetation indices for estimating forest structural attributes of Eucalyptus species. The study was conducted in even-aged monoculture plantations of E. grandis and E... -
Image-based reflectance conversion of ASTER and IKONOS imagery as precursor to structural assessment of plantation forests in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MT Gebreslasie --- School of Environmental Sciences, South Africa FB Ahmed --- School of Environmental Sciences, South Africa JAN van Aardt --- Laboratory for Imaging Algorithms and Systems, Center for Imaging Science, USAReflectance-converted imagery is a requirement for establishing temporally robust remote sensing algorithms, given the reduction of time-specific atmospheric effects. Thus, in this study image-based atmospheric correction methods for ASTER and IKONOS imagery for retrieving surface reflectance of plantation forests in... -
Secondary Traumatic Stress, Psychological Wellbeing and Life Satisfaction of Social Workers in Namibia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Perstling --- University of Namibia, Sebastiaan Rothmann --- North-West University, South AfricaThe aim of this study was to investigate the relationships among secondary traumatic stress, psychological wellbeing (purpose in life, environmental mastery and self-acceptance) and life satisfaction of social workers of Namibia. A cross-sectional survey design was used with a sample... -
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... -
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 -
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... -
An evaluation of the assessment tool used for extensive mini-dissertations in the Master's Degree in Family Medicine, University of the Free State
Item type: Journal Article • Journal: South African Family Practice • Authors: H Brits --- Department of Family Medicine, J Bezuidenhout --- Office of the Dean, WJ Steinberg --- Department of Family Medicine, G Joubert --- Department of Biostatistics Faculty of Health Sciences,Background: Family Medicine became a speciality in South Africa in 2007. Postgraduate studies in Family Medicine changed from part-time Master of Family Medicine (MFamMed) to a full-time Master of Medicine (Family Medicine) [MMed(Fam)] degree, with changes in the curriculum and... -
New discoveries on the ecology and echolocation of the heart-nosed bat Cardioderma cor with a contribution to the phylogeny of Megadermatidae
Item type: Journal Article • Journal: African Zoology • Authors: Peter Kaňuch --- Institute of Forest Ecology, Slovak Academy of Sciences, Slovakia Tatiana Aghová --- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech Republic Yonas Meheretu --- Department of Biology, Mekelle University, Ethiopia Radim Šumbera --- Department of Zoology, University of South Bohemia, Czech Republic Josef Bryja --- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech RepublicIn this study we report findings in roosting ecology, ectoparasites, echolocation characteristics and the phylogenetic position of Cardioderma cor, an impressive bat species that is distributed throughout the savannas and woodlands of eastern Africa. For individuals caught in Mago National... -
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... -
Yellow-bellied or white-bellied? Identity of Arabian house bats (Vespertilionidae: Scotophilus) revealed from mitochondrial DNA and morphology
Item type: Journal Article • Journal: African Zoology • Authors: Peter Vallo --- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech Republic Petr Benda --- Department of Zoology, Czech Republic Antonín Reiter --- South Moravian Museum in Znojmo, Czech RepublicThe yellow-bellied Scotophilus dinganii is the only African house bat species reported to occur in the Arabian Peninsula. Formerly, the Arabian house bats were referred to similar-looking white-bellied S. leucogaster, which differs from S. dinganii mainly by the colour of... -
Post-weaning social behaviour within mother–offspring groups of the bushveld gerbil, Gerbilliscus leucogaster: implications for dispersal
Item type: Journal Article • Journal: African Zoology • Authors: Tracy K. Lötter --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Neville Pillay --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaSocial behaviour has been implicated in the natal dispersal of several small mammal species. We studied social interactions within groups of bushveld gerbil Gerbilliscus leucogaster mothers and their weaned offspring in captivity. We examined groups (n = 8) over several... -
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... -
Determining the most suitable method of otolith preparation for estimating the age of tigerfish, Hydrocynus vittatus in the Pongolapoort Dam, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: M. Soekoe --- Department of Zoology, South Africa F. H. van der Bank --- Department of Zoology, South Africa N. J. Smit --- North-West University, PotchefstroomThis study compares sectioned and whole lapillus and asterisci otoliths as suitable structures for ageing tigerfish, Hydrocynus vittatus. Fifty tigerfish were collected from the Pongolapoort Dam, KwaZulu-Natal, South Africa. Growth zone counts on sectioned lapilli showed the greatest percentage agreement... -
In situ growth rate of Solen cylindraceus (Mollusca: Euheterodonta: Solenidae) in the St Lucia estuarine lake, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Holly A. Nel --- University of KwaZulu-Natal, Westville Campus, South Africa Renzo Perissinotto --- University of KwaZulu-Natal, Westville Campus, South Africa Ricky H. Taylor --- University of KwaZulu-Natal, Westville Campus, South AfricaSolen cylindraceus, an infaunal bivalve, can reach a maximum length of 95 mm. However, in the St Lucia estuarine system specimens are seldom larger than 55 mm. Thus, the primary aim of this study was to investigate the growth rate... -
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... -
Scientific research in hospitality studies in Brazil: challenges to finding a theoretical framework
Item type: Journal Article • Journal: • Authors: Sênia Bastos --- School of Business and Hospitality, University of Anhembi Morumbi, São Paulo, Brazil Mirian Rejowski --- School of Business and Hospitality, University of Anhembi Morumbi, São Paulo, BrazilThis paper seeks to present the systematisation of information in hospitality studies, as generated by an analysis of 227 dissertations submitted to the Master’s Programme in Hospitality Studies at the University of Anhembi Morumbi, as well as 18 doctoral dissertations... -
Planning to recover from the loss of computer facilities
Trends in South Africa over the last five years Item type: Journal Article • Journal: De Ratione • Authors: J. Miller --- Graduate School of Business, M. A. Wenham --- Graduate School of Business,A national survey of computer disaster recovery planning by major computer users in South Africa was conducted in 1990. The results are reported in this article and show that most firms are highly dependent on their computer systems. Almost a... -
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... -
The conflict between industry hosts and master’s degree students’ expectations on students entering the hospitality industry
Item type: Journal Article • Journal: • Authors: Rajka Presbury --- Blue Mountains International Hotel School, Sydney, Australia Janette Illingsworth --- Blue Mountains International Hotel School, Sydney, Australia Scott Richardson --- Blue Mountains International Hotel School, Sydney, AustraliaThis paper reports on a qualitative study that sought to determine Australian industry hosts’ expectations and perceptions of hotel management master’s degree students on their placement in the industry, and the expectations of students when entering industry placement. The empirical dataset for... -
Disaster recovery experiences of a South African rural farming community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Christiaan Becker --- Africa Unit for Transdisciplinary Health Research, South Africa Vera Roos --- Africa Unit for Transdisciplinary Health Research, South Africa Hendri Coetzee --- Africa Unit for Transdisciplinary Health Research, South AfricaThis study explored the bush fire disaster experiences and coping of South African farmers. Participants consisted of seven male farmers (6 = White Afrikaans-speaking; 1 = Black Tswana-speaking). Data were collected using semi-structured interviews, nine months after the disaster, and analysed thematically. The findings... -
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... -
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%),... -
Seasonal variation in diversity and abundance of understorey birds in Bunduki Forest Reserve, Tanzania: evaluating the conservation value of a plantation forest
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Chacha Werema --- Department of Zoology and Wildlife Conservation, Tanzania Kim M Howell --- Department of Zoology and Wildlife Conservation, TanzaniaPlantation forests generally support lower bird diversity than natural forests. However, in some instances the plantations have been found to provide suitable habitat for a number of bird species. In the Eastern Arc Mountains, there is limited knowledge how understorey... -
Diet of the Silvery-cheeked Hornbill Bycanistes brevis during the breeding season in the East Usambara Mountains, Tanzania
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Norbert J Cordeiro --- Department of Biological, Chemical, and Physical Sciences, USA Joshua T Campbell --- Department of Biological, Chemical, and Physical Sciences, USA Henry J Ndangalasi --- Department of Botany, TanzaniaThe breeding season diet and nesting characteristics of the Silvery-cheeked Hornbill Bycanistes brevis are poorly known. To further understand these aspects of the breeding biology of this hornbill species, 14 nests were studied in and around Amani Nature Reserve located... -
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... -
Seasonal elevational movements of Eastern Olive Sunbird
Cyanomitra olivacea in the Uluguru Mountains, TanzaniaItem type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Chacha Werema --- Department of Zoology and Wildlife Conservation, TanzaniaLittle is known about the seasonal elevational movements for most tropical avifauna species. Seasonal elevational movements of the Eastern Olive Sunbird Cyanomitra olivacea were studied along an elevational gradient from 600 to 1 500 m above sea level in the Uluguru... -
Population estimates of the breeding birds of the Tinhosas islands (Gulf of Guinea), the only major seabird colony of the eastern tropical Atlantic
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Simon Valle --- Division of Biology and Conservation Ecology, School of Science and the Environment, UK Nuno Barros --- Portuguese Society for the Study of Birds, Marine Department, Portugal Iván Ramírez --- BirdLife International, Belgium Ross M Wanless --- Seabird Division, BirdLife South Africa, South AfricaThe Tinhosas islands, in São Tomé e Príncipe, host the most important seabird breeding colony in the Gulf of Guinea, but information on its conservation status was hitherto unpublished or anecdotal, the last assessment having been performed in 1997. A... -
Grey Crowned Crane threat assessment around the wetlands of eastern Uganda
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: William Olupot --- Nature and Livelihoods, UgandaThe Grey Crowned Crane Balearica regulorum was uplisted to globally Endangered in 2012. There is urgent need to determine the threats they face at local levels for their conservation. I conducted formal point-count surveys around the wetlands of eastern Uganda... -
The conflict between industry hosts and master's degree students' expectations on students entering the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rajka Presbury --- Blue Mountains International Hotel School, Australia Janette Illingsworth --- Blue Mountains International Hotel School, Australia Scott Richardson --- Blue Mountains International Hotel School, AustraliaThis paper reports on a qualitative study that sought to determine Australian industry hosts' expectations and perceptions of hotel management master's degree students on their placement in the industry, and the expectations of students when entering industry placement. The empirical... -
Scientific research in hospitality studies in Brazil: challenges to finding a theoretical framework
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sênia Bastos --- School of Business and Hospitality, University of Anhembi Morumbi, Brazil Mirian Rejowski --- School of Business and Hospitality, University of Anhembi Morumbi, BrazilThis paper seeks to present the systématisation of information in hospitality studies, as generated by an analysis of 227 dissertations submitted to the Master's Programme in Hospitality Studies at the University of Anhembi Morumbi, as well as 18 doctoral dissertations... -
A review of the genus Homopholis Boulenger (Reptilia: Squamata: Gekkonidae) in southern Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Donald G. Broadley --- , Zimbabwe Todd R. Jackman --- , , USA Aaron M. Bauer --- , , USAOn the basis of molecular data, the gekkonid lizard Homopholis arnoldi Loveridge is revived as a full species. Morphologically it is usually distinguishable from H. wahlbergii on the basis of its striped dorsal colour pattern. Homopholis arnoldi has a wide... -
Perceived control effects on religiosity and quality of life among young adults
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Matthew O. Olasupo --- School of Research and Postgraduate Studies, South Africa Erhabor S. Idemudia --- School of Research and Postgraduate Studies, South AfricaThe study investigated the mediating role of perceived control in the association between religiosity and quality of life among young adults in south-west Nigeria. Data were collected from a sample of 1 050 young adults (mean age = 29.8, SD... -
Distribution of the invasive alien weed, Lantana camara, and its ecological and livelihood impacts in eastern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ross T Shackleton --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa Arne BR Witt --- Centre for Agriculture and Biosciences International, Kenya Winnifred Aool --- National Agricultural Research Organisation, Uganda Corin F Pratt --- Centre for Agriculture and Biosciences International, UKLantana camara (lantana) is a major invasive shrub globally, impacting upon biodiversity, economies, ecosystem services, and driving socio-ecological change. The aim of this study was to determine the current and potential distribution of lantana in eastern Africa and its livelihood... -
Interaction of small-scale supplemental irrigation, sawah preparation intensity and soil amendment type on productivity of lowland sawah-rice system
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: John C Nwite --- Department of Crop Production Technology, Nigeria Sunday E Obalum --- Department of Soil Science, Nigeria Charles A Igwe --- Department of Soil Science, Nigeria Toshiyuki Wakatsuki --- Faculty of Life and Environmental Sciences, JapanSole dependence on rainfall, poor water management and low soil fertility largely explain the fluctuations in agricultural productivity in West Africa. Lowlands for sawah-based rice farming often offer opportunities for small-scale supplemental irrigation but these are rarely explored and their... -
Resilience and suicide ideation: Coping mediator-moderator effects among adolescent learners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ancel George --- Department of Psychology, South Africa Reinier Moolman --- Department of Psychology, South AfricaThe current study aimed to investigate the influence of coping on the relationship between resilience and adolescent suicide ideation among secondary learners in the Free State Province, South Africa (n = 495; female = 61.6%; black = 55%, white =... -
“Taming” Bushman farm labour: a villeinous era in neo-feudal Namibia?
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Robert Gordon --- Anthropology Department, South AfricaThis paper examines how “wild” Bushmen became “tame” farm labour in Namibia during a situation where policy encouraged massive white farm settlement while undergoing significant administrative personnel downscaling. Downscaling led to an increase in unrecorded informal violence because farmers were... -
Contemporary institutional solid waste management practices of Haramaya University, Eastern Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ashenafi Yimam Kassaye --- School of Geography and Environmental Studies, EthiopiaEven though waste products arise from our ways of life and are generated at every stage of the process of production and development, the type of decision making that leads to adequate solid waste management requires a sound understanding of... -
Assessment of the likely sensitivity to climate change for the key marine species in the southern Benguela system
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Ortega-Cisneros --- Department of Ichthyology and Fisheries Science, South Africa S Yokwana --- Department of Ichthyology and Fisheries Science, South Africa W Sauer --- Department of Ichthyology and Fisheries Science, South Africa K Cochrane --- Department of Ichthyology and Fisheries Science, South Africa A Cockcroft --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa NC James --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South Africa L Singh --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa M Smale --- Department of Zoology and Coastal and Marine Research, South Africa A Wood --- Gleneagles Environmental Consulting, South Africa G Pecl --- Institute for Marine and Antarctic Studies, AustraliaClimate change is altering many environmental parameters of coastal waters and open oceans, leading to substantial present-day and projected changes in the distribution, abundance and phenology of marine species. Attempts to assess how each species might respond to climate change... -
Unique co-occurrence of two genera of cymothoid ectoparasitic isopods on the same individual fish host
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RL Welicky --- , South Africa NJ Smit --- , South AfricaParasitism of a host fish by a single species of cymothoid is regularly reported. For the first time on a temperate-fish host and in South African waters, we observed two species of cymothoids, the flesh-infesting Anilocra capensis and the tongue-infesting... -
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,... -
Disconnect between policy and practice in developing countries: Evidence of managing e-waste from Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Johnson Ojiyovwi Okorhi --- Institute of Engineering, Technology, and Innovation Management, Nigeria Joe E. Amadi-Echendu --- Institute of Engineering, Technology, and Innovation Management, Nigeria Helen Olubunmi Aderemi --- Department of Management and Accounting, Nigeria Roland Uhunmwangho --- Electrical/Engineering Department, Nigeria Anthony Chukwudi Okwubunne --- National Centre for Technology Management (NACETEM), NigeriaThere are insufficient management functions that begin with planning, institutional arrangements and technical handling of e-waste materials in Nigeria. Modern trends in recycling still fall short of global practices. This study examined Waste Electrical and Electronic Equipment (WEEE) management strategies... -
Motivation for professional studies in psychology: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Daniella Booysen --- Department of Psychology, Faculty of the Humanities, South Africa Lindi Nel --- Department of Psychology, Faculty of the Humanities, South AfricaThis study explored students’ motivations in seeking admission to qualify as professional psychologists. Utilising a multiple-case study approach, we interviewed seven participants with a record of persistence in re-applying for admission to study towards a professional Master’s qualification in psychology... -
Planning and sustaining HIV response in the countries of the “risky middle”
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alan Whiteside --- Global Health Policy, School of International Policy and Governance, Canada Robert Greener --- Associate, Oxford Policy Management, United Kingdom Iris Semini --- Health Economics, SwitzerlandThis paper focusses on high-HIV middle-income countries termed the “risky middle”, i.e. characterised by a typology based on HIV burden and gross national income (GNI), according to which seven countries — Lesotho, Eswatini, Kenya, Zimbabwe, Tanzania, Namibia and Zambia —... -
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... -
Validation of the periodicity of growth zone deposition in otoliths of two large endemic Labeobarbus species in Lake Tana, Ethiopia
Item type: Journal Article • Journal: African Zoology • Authors: Shewit Gebremedhin --- Department of Animal Science and Aquatic Ecology, Belgium Karen Bekaert --- Flanders Research Institute for Agriculture, Fisheries, and Food (ILVO), Belgium Abebe Getahun --- Department of Zoological Sciences, Ethiopia Stijn Bruneel --- Department of Animal Science and Aquatic Ecology, Belgium Wassie Anteneh --- Department of Biology, Ethiopia Els Torreele --- Flanders Research Institute for Agriculture, Fisheries, and Food (ILVO), Belgium Peter Goethals --- Department of Animal Science and Aquatic Ecology, BelgiumAlthough validation of the rate of growth zone deposition is a prerequisite for accurate age estimation, such studies are non-existent for the endemic Labeobarbus species in Lake Tana. Therefore, the aim of the current study was to validate the periodicity... -
The purse-seine fishery for small pelagic fishes off the Madeira Archipelago
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Tejerina --- Observatório Oceânico da Madeira, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (OOM/ARDITI) [Oceanic Observatory of Madeira/Regional Agency for the Development of Research, Technology and Innovation], Portugal M Hermida --- Observatório Oceânico da Madeira, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (OOM/ARDITI) [Oceanic Observatory of Madeira/Regional Agency for the Development of Research, Technology and Innovation], Portugal G Faria --- Research Service, Direção Regional de Pescas (DRP) [Regional Directorate of Fisheries], Portugal J Delgado --- Research Service, Direção Regional de Pescas (DRP) [Regional Directorate of Fisheries], PortugalSmall pelagic fishes constitute a valuable food resource for human consumption and are also important components of marine food webs. At Madeira, a Portuguese archipelago in the eastern Atlantic, they are the target of a year-round purse-seine fishery operating mainly... -
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... -
Oxygen and temperature influence the distribution of deepwater Cape hake Merluccius paradoxus in the southern Benguela: a GAM analysis of a 10-year time-series
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FL Mbatha --- Department of Biological Sciences and Marine Research Institute, South Africa D Yemane --- Department of Biological Sciences and Marine Research Institute, South Africa M Ostrowski --- Institute of Marine Research (IMR), Norway CL Moloney --- Department of Biological Sciences and Marine Research Institute, South Africa MR Lipiński --- Department of Ichthyology and Fisheries Science, South AfricaGeneralised additive models (GAMs) were applied to survey data to assess the influence of dissolved oxygen, water temperature and year of sampling upon the presence/absence of small (≤15 cm TL), medium (16–34 cm TL) and large (≥35 cm TL) size... -
The ‘death of innovation’ paradox, R&D and the scientific potential of crowdsourcing
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chris William Callaghan --- Knowledge and Information Economics/Human Resources Research Agency, School of Economic and Business Sciences, South AfricaCertain scholars have highlighted decreasing returns to investment in research, or research and development (R&D), as well as a lack of growth in patent numbers, in that these do not match increased research employment over time. Certain theories that contest... -
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... -
Reproductive biology of the mackerel scad Decapterus macarellus from Cabo Verde and the implications for its fishery management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MPV Costa --- Instituto Nacional do Desenvolvimento das Pescas [National Institute for Fisheries Development ] (INDP), Cabo Verde DRS Cruz --- Faculty of Sciences of the University of Lisbon, Portugal LS Monteiro --- Federal University of Rio Grande, Brazil KSM Evora --- University of Cabo Verde, Cabo Verde LG Cardoso --- Federal University of Rio Grande, BrazilThe mackerel scad Decapterus macarellus is of great social and economic importance to Cabo Verde citizens; however, in recent years catches have shown an unexplained decline. The harvest is regulated by way of a minimum legal size and a seasonal... -
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... -
Challenges in nest monitoring of White-winged Flufftails Sarothrura ayersi in Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Melissa A Howes-Whitecross --- , South Africa Caroline Howes --- , South Africa Robin B Colyn --- , South Africa Hanneline A Smit-Robinson --- , South AfricaThe Critically Endangered White-winged Flufftail Sarothrura ayresi is only known to breed in the high-altitude wetlands of Ethiopia and South Africa. Several studies have documented the physical properties of nests in the well-known Berga wetland, Ethiopia; however, behavioural accounts of... -
The effect of accessibility and value addition on the costs of controlling invasive alien plants in South Africa: A three-species system dynamics model in the fynbos and grassland biomes
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Douglas J Crookes --- , South Africa James N Blignaut --- , South Africa David C Le Maitre --- , South AfricaWe developed a two-biome (grasslands and fynbos) system dynamics model simulating invasions of three invasive alien plant species – black wattle (Acacia mearnsii) and two pine species (Pinus patula and Pinus pinaster) – and some of the consequences. The model... -
Spatial and temporal diversity of non-native biofouling species associated with marinas in two Angolan bays
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LB Pestana --- , Brazil GM Dias --- , Brazil AC Marques --- , BrazilArtificial structures in coastal areas provide substrates which facilitate the spread of non-native species. Published records of introduced benthic species in the coastal waters of Angola are scarce, and so far these have numbered 29 non-native species and seven cryptogenic... -
Cross-shelf movement of Chrysaora fulgida (Scyphozoa; Discomedusae) off Namibia inferred from stable isotopes (δ15N and δ13C)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H Skrypzeck --- , South Africa CD van der Lingen --- , South Africa MJ Gibbons --- , South AfricaLarge and small specimens of two species of metagenic Scyphozoa (true jellyfishes) can be found in nearshore waters off central Namibia throughout the year. Whereas populations of Chrysaora africana are largely restricted to inshore waters, C. fulgida occurs across the... -
Organic carbon content in the diagnostic horizons and materials of South African soil forms
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: CW van Huyssteen --- , South Africa NR Rantoa --- , South Africa CC du Preez --- , South AfricaSoil classification aims to group similar soils to facilitate communication and management. Management of soil organic carbon is gaining international recognition in an attempt to manage atmospheric carbon in addressing global warming. This paper explored the soil morphological and analytical... -
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... -
Disasters are not cute: Cute expressions increase dehumanisation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jiaxin Shi --- , China Junjie Qiu --- , China Tuo Liu --- , GermanyPeople perceive cute expressions about situations or events positively or negatively. However, the conditions for how cute expression messaging would be received are less clear. In three studies, we investigated the influences of natural disaster cute expression messaging on audiences... -
Biodiversity hotspot revisited: reptile and amphibian assemblages of the Uluguru Mountain Forest Reserves, south-eastern Tanzania
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Felix J Mkonyi --- Dar es Salaam University College of Education, TanzaniaAlthough the knowledge about the Tanzanian reptiles and amphibians has drastically increased in recent years, the knowledge on the amphibian and reptile fauna of the remaining forest reserves of the Uluguru Mountains (UMs) is only partially known. Amphibians and reptiles... -
Assessment of plant species composition and natural regeneration in abandoned settlements in the lower montane forest of Kilimanjaro National Park, Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Imani Abinery Kikoti --- , Tanzania Cosmas Mligo --- , Tanzania Henry Joseph Ndangalasi --- , TanzaniaAnthropogenic modification of montane forests to other land uses has significant effects on native vegetation and the ecological functions of plant communities, such as in the forests of Mount Kilimanjaro. This study was carried out in Kilimanjaro National Park at... -
Prevalence, population structure and burrow morphology of the kelp-boring amphipod Sunamphitoe roberta
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Wilcox --- , South Africa J Landschoff --- , South Africa CL Griffiths --- , South AfricaThe recently described amphipod Sunamphitoe roberta lives only on the kelp Ecklonia maxima, where it excavates slit-like burrows along the distal margins of thicker primary fronds. Oval chambers along the bases of these slits may represent feeding areas. As burrowing... -
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 -
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,... -
Patterns of fish distribution in tropical rock pools at Príncipe Island, Gulf of Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Azevedo e Silva --- University of Lisbon, Portugal AJ Almeida --- University of Lisbon, Portugal M Cravo --- University of Lisbon, Portugal MP Pais --- University of Lisbon, Portugal Y Santos --- , São Tomé e Príncipe J Paula --- University of Lisbon, PortugalLittle is known about the ichthyofauna from intertidal rock pools of the west coast of Africa, especially in the Gulf of Guinea. Rock pools are characteristic habitats of the intertidal zone of structurally complex rocky shores, adding important niche space... -
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... -
Foam‐nest treefrogs in eastern Africa (Anura Rhacophoridae Chiromantis): Taxonomic complexities
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: JohnC. Poynton --- Natural History Museum, UKParker's (1932) relegation of Chiromantis kelleri to subspecific status as C. petersii kelleri is investigated. Examination of the holotypes of C. petersii and C. kelleri shows subspecific status for these taxa to be inappropriate. Available data leave an open question... -
A new giant species of Arthroleptis (Amphibia: Anura) from the Rubeho Mountains, Tanzania
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: JohnC. Poynton --- The Natural History Museum, UKTwo giant specimens of Arthroleptis attaining a snout‐vent length of 57 mm, from the Rubeho Mountains in southern Tanzania are described as a new species. They are distinguished from the giant species A. tanneri of the West Usambara Mountains by... -
Niche separation and comparative abundance of Boulengerula boulengeri and Scolecomorphus vittatus (Amphibia: Gymnophiona) in an East Usambara forest, Tanzania
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: DavidJ. Gower --- The Natural History Museum, UK SimonP. Loader --- University of Glasgow, UK CliveB. Moncrieff --- The Natural History Museum, UK Mark Wilkinson --- The Natural History Museum, UKThe ecology of the sympatric caecilians Boulengerula boulengeri and Scolecomorphus vittatus was studied in Nilo Forest Reserve in the East Usambara Mountains, Tanzania. Three sampling methods (timed digging, pitfall trapping and casual visual encounter surveys of the forest floor) yielded... -
A new forest toad from the Ukaguru Mountains, Tanzania (Bufonidae: Nectophrynoides)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Alan Channing --- University of the Western Cape, South Africa Michele Menegon --- Museo Tridentino di Scienze Naturali, Italy Sebastiano Salvidio --- DIP.TE.RIS Corso Europa 26, Italy Scott Akker --- , United KingdomA new species of Nectophrynoides is described from the Ukaguru Mountains of Tanzania. It is distinguished from the other species in the genus by a combination of morphological characters. This is the only African bufonid known with a biphasic vocalization. -
A new giant species of Arthroleptis (Amphibia: Anura) from the forests of the Nguru Mountains, Tanzania
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: John Poynton --- Natural History Museum, UK SimonP. Loader --- University of Basel, Switzerland Michele Menegon --- Museo Tridentino di Scienze Naturali, ItalySpecimens of Arthroleptis attaining a body length of nearly 58 mm have been collected above 1790 m a.s.l. on the Nguru Mountains, part of the Eastern Arc mountain chain of Tanzania. In body size this material slightly surpasses the other... -
A new species of chameleon (Sanria: Chamaeleonidae: Kinyongia) from the Magombera forest and the Udzungwa Mountains National Park, Tanzania
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Michele Menegon --- Museo Tridentino di Scienze Naturali, Italy KrystalA. Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Trevor Jones --- c/o Udzungwa Mountains National Park, Tanzania Francesco Rovero --- Museo Tridentino di Scienze Naturali, Italy AndrewR. Marshall --- University of York, UK ColinR. Tilbury --- University of Stellenbosch, South AfricaA new species of chameleon Kinyongia magomberae sp. nov. (the Magombera chameleon), is described from Magombera forest and the Vdzungwa Mountains National Park, south-central Tanzania. The species status is supported by phylogenetic analyses using mitochondrial and nuclear markers. The new... -
Species boundaries and biogeography of East African torrent frogs of the genus Petropedetes (Amphibia: Anura: Petropeditidae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: SimonP. Loader --- University of Basel, Switzerland F. Sara Ceccarelli --- University of Basel, Switzerland Mark Wilkinson --- The Natural History Museum, UK Michele Menegon --- Museo Tridentino di Scienze Naturali, Italy Jean Mariaux --- Muséum d'Histoire Naturelle, Switzerland RafaelO. de Sá --- University of Richmond, USA KimM. Howell --- University of Dar es Salaam, Tanzania DavidJ. Gower --- The Natural History Museum, UKBased on morphology there are currently three described East African species of torrent frogs belonging to the tropical African genus Petropedetes (P. dutoiti, P. martiennseni and P. yakusini). Taxonomic uncertainties are evident within this group: a putative new species reported... -
Moving the Margins: Gender Inequality and Homelessness in Amma Darko’s Faceless
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Puleng Segalo --- University of South Africa, South Africa Theresah Patrine Ennin --- University of South Africa, South AfricaMany African women writers have engaged with issues of social justice, development and the need to pay attention to the persistent inequalities that eat away the fabric of many societies. To this day, they continue to be at the coalface... -
Teacher support and student engagement in mathematics: The chain mediating role of academic self-efficacy and achievement goal orientation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanfei Yang --- Universiti Pendidikan Sultan Idris, Malaysia Guangzheng Li --- Jiangsu Normal University, China Fenfen Song --- , China Yuan Yuan --- Universiti Pendidikan Sultan Idris, MalaysiaThis explored how teacher support impacted student engagement in mathematics. A total of 632 students in Grades 7 to 9 from junior middle schools in China were participants (females = 54.27%, mean age = 13.97, SD = 0.88). They completed... -
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... -
Validation of the generic name Prescottiella gen. nov. (Desmidiales, Zygnematophyceae): a rare African desmid
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Sanet Janse van Vuuren --- North-West University, South Africa Anatoliy Levanets --- North-West University, South AfricaPrescottiella sudanensis is a rare, asymmetrical desmid currently known from only a few countries in equatorial Africa. During the present study, P. sudanensis cells were found in water samples from Vogel Pan located in the far north-eastern side of Namibia,... -
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... -
New distribution records and population density of the Critically Endangered Tarzan Chameleon (Calumma tarzan), eastern Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Alain JV Rakotondrina --- Madagasikara Voakajy, Madagascar Raphali R Andriantsimanarilafy --- Madagasikara Voakajy, Madagascar Hanta J Razafimanahaka --- Madagasikara Voakajy, Madagascar Achille P Raselimanana --- , Madagascar Rikki Gumbs --- Zoological Society of London, United Kingdom Caleb Ofori-Boateng --- Zoological Society of London, United Kingdom Jody M Taft --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Fanomezana M Ratsoavina --- Université d’Antananarivo, MadagascarThe distribution and population density of the Critically Endangered Tarzan Chameleon (Calumma tarzan) in eastern humid forests of Madagascar was studied using line transect-distance sampling. Based on the results from species distribution models, eight sites were visited over a four-month... -
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)... -
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... -
Winter storms: a potential threat to African oystercatchers Haematopus moquini
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LG Underhill --- University of Cape Town, South AfricaSubstantial effort has gone into identifying threats to the African oystercatcher Haematopus moquini, a species of seabird native to the mainland coasts and offshore islands of southern Africa. Winter storms represent a possible further threat owing to the potential to... -
Strong soil–vegetation relationship in riparian forests of the middle Rio Doce watershed, south-eastern Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Débora Oliveira Sousa --- Universidade Federal de Minas Gerais, Brazil Daniel Negreiros --- Universidade Federal de Minas Gerais, Brazil Letícia Ramos --- Universidade Federal de Minas Gerais, Brazil João Carlos Gomes Figueiredo --- Universidade Estadual de Montes Claros, Brazil Dario C Paiva --- Institute of Environment, Florida International University, USA Yumi Oki --- Universidade Federal de Minas Gerais, Brazil Wénita de Souza Justino --- Universidade Federal de Minas Gerais, Brazil Rubens Manoel dos Santos --- Universidade Federal de Lavras, Brazil Lorena Ashworth --- Universidade Federal de Minas Gerais, Brazil Yule Roberta Ferreira Nunes --- Universidade Estadual de Montes Claros, Brazil G Wilson Fernandes --- Universidade Federal de Minas Gerais, BrazilPhytosociological surveys and soil quality studies are relevant tools for the implementation of restoration programmes. This study aimed to characterise the vegetation of the tree and sapling strata in preserved riparian forests of the middle portion of the Rio Doce... -
The legacy of the Maxim machine gun in postcolonial Africa: Implications for governance and management scholarship
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses N. Kiggundu --- , CanadaThe essay draws on aspects of British colonial history to throw light on Africa’s postcolonial state and society. Under the leadership of Captain Lugard, drawing from the principles of the dual mandate and indirect rule, colonialists employed the then most... -
Seasonal altitudinal migration of White-chested Alethe Chamaetylas fuelleborni in Tanzania documented with a barometric pressure logger
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Flemming P Jensen --- Natural History Museum of Denmark, University of Copenhagen, Denmark Chacha Werema --- University of Dar es Salaam, TanzaniaSeasonal altitudinal movements from breeding areas in montane forests to non-breeding or wintering areas at lower elevations, during the cool dry season from April–June to September–October, has long been suspected for several species of birds breeding in Tanzania’s Eastern Arc... -
Life-history traits of the false jacopever Sebastes capensis (Scorpaenidae: Sebastinae) in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Mohamed --- Department of Biological Sciences, University of Cape Town, South Africa CG Attwood --- Department of Biological Sciences, University of Cape Town, South AfricaThe genus Sebastes (rockfishes) of family Scorpaenidae (scorpionfishes) contains over 110 species, of which the false jacopever Sebastes capensis is the only one found in South African waters. Although it is a commonly caught linefish along the west coast of... -
Residency, site affinity and coastal movements of the southern African endemic spotted gully shark Triakis megalopterus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Cottrant --- South African Shark Conservancy, South Africa JH Morrison --- South African Shark Conservancy, South Africa C Elston --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa NJ Drobniewska --- South African Shark Conservancy, South Africa LG Underhill --- Department of Biological Sciences, University of Cape Town, South Africa N Hammerschlag --- Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, United States PS Albano --- Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, United States ME McCord --- South African Shark Conservancy, South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa C Fallows --- Apex Shark Expeditions, South Africa TG Paulet --- South African Shark Conservancy, South AfricaRising global concern regarding the conservation and management of shark species makes it essential to identify key ecological species to guide conservation efforts, especially species with more restricted distributions such as endemic species. The southern African endemic spotted gully shark...