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Observations on the linefish resources of Namibia, 1990?2000, with special reference to West Coast steenbras and silver kob
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. A. Holtzhausen C. H. Kirchner S. F. VogesThe Namibian linefishery is a multisector fishery, with recreational and commercial sectors targeting overlapping species. Prior to 1990, catch data were recorded for the boat sector, but little research was done on the population dynamics of any of the species... -
Fish response to the annual flooding regime in the Kavango River along the Angola/Namibian border
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: C. H. Hocutt P. N. JohnsonThe results of the first seasonal survey of the fish of the Kavango River flood-plain along the Angola/Namibia border are reported. The river experiences peak flooding from February through June, with the 375-km long floodplain extending up to 5 km... -
The impact of emigration on population estimates of deep-sea red crab Chaceon maritae off Namibia
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: L. Le RouxUnderwater photography and tag-recapture methods have previously been found to be the most accurate means of assessing the size of the population of Chaceon maritae off southern Africa. However, recent population estimates made by the tag-recapture method appear to be... -
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... -
Life history of white stumpnose Rhabdosargus globiceps (Pisces: Sparidae) off South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: M. H. Griffiths C. Wilke A. J. Penney Y. MeloFishery-dependent and fishery-independent distribution analyses together reveal four discrete areas of white stumpnose Rhabdosargus globiceps abundance between Port Nolloth and the Kei River off the Cape Province of South Africa: the Western Cape (Saldanha Bay), the South-Western Cape, the Southern... -
Reproduction, growth and migrations of sei whales Balaenoptera borealis off the west coast of South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: P. B. Best C. H. LockyerResults of the examination of 1 062 sei whales Balaenoptera borealis landed at the whaling station at Donkergat, Saldanha Bay, South Africa, in the 1962 and 1963 whaling seasons are presented. Sei whales were usually encountered off the edge of... -
Long-distance migration of the rock lobster Palinurus delagoae off South Africa and Moçambique
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. C. GroeneveldLong-distance migration patterns of deep-water rock lobster Palinurus delagoae were investigated using tagrecapture data obtained over a period of 6 years (1995–2000). Of 7 654 animals tagged, 363 (4.7%) were recovered from South African and seven (0.1%) from Moçambican waters... -
THE HABITATS AND HABITAT PREFERENCES OF
CLARIAS GARIEPINUS (PISCES: CLARIIDAE) IN A CLEAR COASTAL LAKE (LAKE SIBAYA, SOUTH AFRICA)Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: M.N. Bruton --- , South AfricaThe habitat preferences of the sharptooth catfish, Clarias gariepinus, in a clear coastal lake, Lake Sibaya, are described. Larval and small juvenile catfish inhabit flotsam and the rootstocks of plants in very shallow marginal areas. Larger juveniles inhabit densely-vegetated marginal... -
REVERSED VERTICAL MIGRATION OF PLANKTONIC CRUSTACEANS IN A EUTROPHIC LAKE OF HIGH pH
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: A.D. Connell --- ,Two studies of the diel vertical migration of zooplankton in the hyper-eutrophic Hartbeespoort Dam, revealed that both in summer when the lake was anaerobic below 15 m depth, and in winter, when homogeneous, aerobic conditions existed throughout the water column,... -
ZOOPLANKTON AND ENVIRONMENTAL CONDITIONS IN GROENVLEI, SOUTHERN CAPE, DURING 1976
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.J. Coetzee --- Cape Department of Nature and Environmental Conservation, South AfricaThe zooplankton and environmental conditions in Groenvlei were studied during 1976 as part of an overall ecological study of the zooplankton of the Wilderness Lakes system. The Groenvlei water was found to be well mixed and low in dissolved PO4−P,... -
ZOOPLANKTON DISTRIBUTION IN RELATION TO ENVIRONMENTAL CONDITIONS IN THE SWARTVLEI SYSTEM, SOUTHERN CAPE
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.J. Coetzee --- Cape Department of Nature and Environmental Conservation, South AfricaSwartvlei is an ectogenic meromictic coastal lake connected to the sea via an estuary which closes periodically due to the formation of a sand bar across its mouth. The inflow of high-salinity water water from the sea into the lake... -
ZOOPLANKTON AND ENVIRONMENTAL CONDITIONS IN A SOUTHERN CAPE COASTAL LAKE SYSTEM
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.J. Coetzee --- Cape Department of Nature and Environmental Conservation, South AfricaThe usually natural closing and artificial opening of the Tow River mouth to the sea have a major influence on the physico-chemical environmental conditions in the coastal lake system formed by the Tow River, Eilandvlei, Langvlei and Rondevlei, as it... -
BREEDING BEHAVIOUR OF THE MPASA, OPSARIDIUM MICROLEPIS (GUNTHER) (PISCES:CYPRINIDAE), IN LAKE MALAWI
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D. Tweddle --- Fisheries Department, MalawiObservations on the breeding behaviour of mpasa, a commercially valuable cyprinid endemic to Lake Malawi, were conducted in the Bua and North Rukuru Rivers. The spawning run takes place over an extended period during and after the rains, with an... -
AN ASSESSMENT OF THE GROWTH RATE OF MPASA, OPSABIDIUM MICROLEPIS (GUNTHER, 1864) (PISCES: CRYPRINIDAE), BY LENGTH FREQUENCY ANALYSIS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D. Tweddle --- Fisheries Department, MalawiThe mpasa, Opsaridium microlepis, is an important commercial species in areas of Lake Malawi near major inflowing rivers during annual spawning migrations. Plots of length frequency data collected over a series of years from mpasa catches in the Bua and... -
BEHAVIOUR OF A RADIO-TAGGED TILAPIA RENDALLI BOULENGER IN LAKE NGEZI, ZIMBABWE
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: CharlesH. Hocutt --- Horn Point Environmental Laboratories, United States of AmericaThe behaviour of a single specimen of Tilapia rendalli Boulenger was observed June through October 1986 in Lake Ngezi, Zimbabwe, by the use of a surgically-implanted radiotransmitter. The individual displayed a distinct homing response on two occasions, returning to the... -
SOME OBSERVATIONS ON FISH MIGRATIONS IN CAPRIVI, NAMIBIA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: B. C.W. van der Waal --- , South AfricaLongitudinal and lateral migrations of freshwater fish were observed in 63 (83%) of the fish of the Upper Zambezi in the Caprivi region, Namibia. The results of 20 surveys showed that longitudinal upstream migrations were undertaken by most small cyprinids,... -
SOME OBSERVATIONS ON THE FISH LIFE IN A SEASONAL SAND RIVER
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: B. C.W. van der Waal --- , , South AfricaFive fish species were collected in a seasonal sand river that had migrated upstream more than 150 km from the permanent Limpopo River. The population structure indicated that mainly juveniles had taken part in this colonisation. No fish were collected... -
Value Orientations, Acculturative Stress and Mental Health Among African German Immigrants
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Erhabor S. Idemudia --- North West University, South AfricaThis study describes the relationship between value orientations, acculturative stress, and wellbeing of African migrants in Germany. Concepts from culture learning theory are applied in the context of intercultural interaction. Data were collected from 85 African migrants (males=73.4, females=26.5%; age... -
The power of AIDS: kinship, mobility and the valuing of social and ritual relationships in Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Hansjörg DilgerThe HIV/AIDS epidemic in Africa has become a test case of the effects of globalisation, in that it demonstrates how international processes may affect regional life situations and how 'the local' can simultaneously develop in its own way, through the... -
Vulnerability to HIV infection among Luo female adolescent orphans in Western Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Erick Otieno NyambedhaLarge-scale surveys have reported that about 55% of orphans worldwide are adolescents. In Kenya, the majority of HIV-infected adolescents are females. The current study used the anthropological methods of in-depth case studies to analyse how migratory life situations of individual... -
HIV and AIDS vulnerability in fishing communities in Mangochi district, Malawi
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joseph Nagoli --- , Katrien Holvoet --- , Michelle Remme --- ,The fisheries sector contributes significantly to Malawi's national economy and to the livelihoods of the poor as certain activities in the sector have relatively low barriers to entry. Various studies have shown that the fisheries sector suffers from high HIV... -
South African HIV/AIDS programming overlooks migration, urban livelihoods, and informal workplaces
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jo Vearey --- , South Africa Marlise Richter --- , South Africa Lorena Núñez --- , South Africa Khangelani Moyo --- , South AfricaSouth Africa has the largest population of people living with HIV globally and is associated with high population mobility. The majority of migrants move in search of improved livelihood opportunities, and many who migrate (both internally and across borders) move... -
Ecological association between HIV and concurrency point-prevalence in South Africa's ethnic groups
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Chris Kenyon --- Senior Lecturer, Division of Infectious Diseases and HIV Medicine, South AfricaHIV prevalence between different ethnic groups within South Africa exhibits considerable variation. Numerous authors believe that elevated sexual partner concurrency rates are important in the spread of HIV. Few studies have, however, investigated if differential concurrency rates could explain differential... -
The icthyofauna of the Mhlathuze coastal lakes: some preliminary results
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SP Weerts DP CyrusThe fish faunas of the four Mhlathuze coastal lakes and the lower river comprise a diverse assortment of over fifty marine, estuarine and freshwater species. Three freshwater species are endemic to KwaZulu-Natal and nine estuarine species are endemic to southern... -
Diel and tidal variations in larval fish exchange in the mouth region of the Gamtoos Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NA Strydom TH WooldridgeDiel and tidal variations in density of larval fishes were monitored over one neap and one spring tidal cycle in the mouth region of the warm temperate Gamtoos Estuary, South Africa. Data were collected over two 24h periods, using mixed... -
Functionality evaluation of the Xikundu fishway, Luvuvhu River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PSO Fouché --- Zoology Department, South Africa RG Heath --- Golder Associates Africa, South AfricaThe Xikundu fishway, in the Luvuvhu River near Thohoyandou, was monitored for 23 months in 2004–2006. Adults and juveniles of 60% of the expected fish species were collected in the fishway, and two major upstream migrations occurred. Most Labeo and... -
AN ASSESSMENT OF THE GROWTH RATE OF MPASA, OPSABIDIUM MICROLEPIS (GUNTHER, 1864) (PISCES: CRYPRINIDAE), BY LENGTH FREQUENCY ANALYSIS
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: D. Tweddle --- Fisheries Department, MalawiThe mpasa, Opsaridiwm microlepis, is an important commercial species in areas of Lake Malawi near major inflowing rivers during annual spawning migrations. Plots of length frequency data collected over a series of years from mpasa catches in the Bua and... -
Observations on the Diel Vertical Distribution of Hydromedusae in the Southern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E. Buecher M. J. GibbonsDiel vertical migration (DVM) of six common species of hydromedusae was investigated during two drogue studies conducted in St Helena Bay on the west coast of South Africa in February 1995. Clytia spp., Obelia spp. and Bougainvillia macloviana, were largely... -
Observations on the Ecology of Pleurobrachia Pileus (Ctenophora) in the Southern Benguela Ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M. J. Gibbons E. Buecher D. Thibault-BothaThe vertical distribution, abundance and size composition of a population of Pleurobrachia pileus was studied during a six-day drogue study conducted off the west coast of South Africa in February 1995. The population was centred in deep water, possibly because... -
Stock Structure of Snoek Thyrsites Atun in the Benguela: A New Hypothesis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M. H. GriffithsIt has long been accepted that snoek Thyrsites atun in the Benguela system constitute a single stock that undergoes seasonal longshore migration in waters between southern Angola and the west coast of South Africa. Based on a review of past... -
Longshore Movements of Adult Male Jasus Lalandii: Evidence from Long-term Tag Recaptures
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L. J. Atkinson G. M. BranchLarge-scale longshore movements (>10 km) of adult male Jasus lalandii (>70 mm carapace length) were examined on the west coast of South Africa using tag-recapture information from the period 1968 to 2000. The average rate of recovery of tagged rock... -
Patterns of immigration to and emigration from breeding colonies by African penguins
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PA Whittington RM Randall RJM Crawford AC Wolfaardt NTW Klages BM Randall PA Bartlett YJ Chesselet R JonesOf over 20 000 African penguins Spheniscus demersus that had been flipper-banded as chicks between 1978 and 1999, 2% of those re-sighted after fledging settled to breed at non-natal colonies. This represented 14% of the banded birds that were subsequently... -
The effects of physiology and behaviour on the near-bottom distributions of Kareniabrevis on the West Florida shelf: a numerical study
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GA Sinclair D KamykowskiThe distribution of near-bottom populations of Karenia brevis depends on both cell physiology and behaviour. The migration distance of cells, and the subsequent exposure to light, may vary as a result of the nocturnal uptake of nitrate. The adaptive advantage... -
Migration redefined? Seasonality, movements and group composition of humpback whales Megaptera novaeangliae off the west coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Barendse --- , South Africa PB Best --- , South Africa M Thornton --- , South Africa C Pomilla --- , USA I Carvalho --- , USA HC Rosenbaum --- , USAThe migration of Southern Hemisphere humpback whales Megaptera novaeangliae between their feeding and breeding areas has thus far been considered a highly predictable and seasonal event. However, previous observations on the humpbacks that pass through the nearshore waters of the... -
The 2005 KwaZulu-Natal sardine run survey sheds new light on the ecology of small pelagic fish off the east coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JC Coetzee --- Branch Fisheries, Department of Agriculture, South Africa D Merkle --- Branch Fisheries, Department of Agriculture, South Africa L Hutchings --- Oceans and Coasts, Department of Environmental Affairs, South Africa CD van der Lingen --- Branch Fisheries, Department of Agriculture, South Africa M van den Berg --- Oceans and Coasts, Department of Environmental Affairs, South Africa MD Durholtz --- Branch Fisheries, Department of Agriculture, South AfricaDespite much public awareness surrounding the annual migration of sardine Sardinops sagax northward along the east coast of South Africa in winter each year, relatively little research effort has been expended to improve understanding of the ‘sardine run’. For this... -
Influence of the annual sardine run on catches of large sharks in the protective gillnets off KwaZulu-Natal, South Africa, and the occurrence of sardine in shark diet
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SFJ Dudley --- , South Africa G Cliff --- , South AfricaShark catches in the protective nets set off the beaches of KwaZulu-Natal (KZN), South Africa, are strongly influenced by the sardine run, the winter influx of shoals of Sardinops sagax from the south-west. The effect of the sardine run, which... -
Influence of the sardine run on selected nearshore predatory teleosts in KwaZulu-Natal
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ST Fennessy --- , South Africa P Pradervand --- , New Zealand PA de Bruyn --- , SpainThe relationships between shore-angling catch rates of nearshore predatory teleosts in KwaZulu-Natal, South Africa, and the timing of the sardine run were examined using a multiple regression model. Results showed that catch rates of five (elf Pomatomus saltatrix, garrick Lichia... -
A review and tests of hypotheses about causes of the KwaZulu-Natal sardine run
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P Fréon --- , France JC Coetzee --- Branch Fisheries, Department of Agriculture, South Africa CD van der Lingen --- Branch Fisheries, Department of Agriculture, South Africa AD Connell --- , South Africa SH O’Donoghue --- School of Biological and Conservation Sciences, Westville Campus, South Africa MJ Roberts --- Oceans and Coasts, Department of Environmental Affairs, South Africa H Demarcq --- , France CG Attwood --- Marine Research Institute, South Africa SJ Lamberth --- Branch Fisheries, Department of Agriculture, South Africa L Hutchings --- Marine Research Institute, South AfricaThe term ‘sardine run’ is part of the cultural heritage of the South African nation and refers to a natural phenomenon that is well known to the general public but still poorly understood from an ecological perspective. This lack of... -
First documented southern transatlantic migration of a blue shark Prionace glauca tagged off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C da Silva --- Branch Fisheries, Department of Agriculture, Forestry and Fisheries, South Africa SE Kerwath --- Branch Fisheries, Department of Agriculture, Forestry and Fisheries, South Africa CG Wilke --- Branch Fisheries, Department of Agriculture, Forestry and Fisheries, South Africa M Meÿer --- Oceans and Coasts, Department of Environmental Affairs, South Africa SJ Lamberth --- Branch Fisheries, Department of Agriculture, Forestry and Fisheries, South AfricaThe first documented recapture of a South African-tagged juvenile blue shark Prionace glauca off Uruguay lends weight to the hypothesis of a single blue shark population in the South Atlantic. The presence of neonate blue sharks with umbilical scars and... -
Distribution and movement of scalloped hammerhead Sphryna lewini and smooth hammerhead Sphyrna zygaena sharks along the east coast of southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KM Diemer --- Great Lakes Institute of Environmental Research, Canada BQ Mann --- , South Africa NE Hussey --- Great Lakes Institute of Environmental Research, CanadaKnowledge of population distribution and movement is crucial for the conservation and management of shark species occurring in coastal waters. From 1984 to 2009, 641 scalloped hammerheads Sphyrna lewini, 1 342 smooth hammerheads Sphyrna zygaena and 1 352 unspecified hammerheads... -
Observations of individual humpback whales utilising multiple migratory destinations in the south-western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PJ Ersts --- Center for Biodiversity and Conservation, USA C Pomilla --- Sackler Institute for Comparative Genomics, USA J Kiszka --- Observatoire des Mammifères Marins, France S Cerchio --- Sackler Institute for Comparative Genomics, USA HC Rosenbaum --- Center for Biodiversity and Conservation, USA M Vély --- , France Y Razafindrakoto --- Madagascar Country Program, Madagascar JA Loo --- Sackler Institute for Comparative Genomics, USA MS Leslie --- Sackler Institute for Comparative Genomics, USA M Avolio --- Barnard College, USAMovements of humpback whales Megaptera novaeangliae among breeding regions within the southwestern Indian Ocean are poorly understood. Understanding the relationships among breeding regions is critical for effective conservation and management strategies. Through systematic comparisons of molecular genotypes and both systematic... -
Transit station or destination? Attendance patterns, movements and abundance estimate of humpback whales off west South Africa from photographic and genotypic matching
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Barendse --- , South Africa PB Best --- , South Africa M Thornton --- , South Africa SH Elwen --- , South Africa HC Rosenbaum --- , USA I Carvalho --- , USA C Pomilla --- , USA TJQ Collins --- , USA MA Meÿer --- , South Africa RH Leeney --- , UKHumpback whales Megaptera novaeangliae found off west South Africa (WSA) are known to display an atypical migration that may include temporary residency and feeding during spring and summer. At a regional scale there is uncertainty about how these whales relate... -
Migrations of humpback whales past Cape Vidal, South Africa, and an estimate of the population increase rate (1988–2002)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KP Findlay --- Department of Oceanography, South Africa PB Best --- , South Africa MA Meÿer --- Department of Environmental Affairs, South AfricaShore-based surveys of migrating humpback whales Megaptera novaeangliae were undertaken from Cape Vidal, northern KwaZulu-Natal, South Africa, each year between 1988 and 1991, and in 2002. Daily observations of migrating whale groups were carried out from an approx. 60 m-high... -
Thermal constraints on the respiration and excretion rates of krill, Euphausia hanseni and Nematoscelis megalops, in the northern Benguela upwelling system off Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Werner --- , Germany K Huenerlage --- , Germany H Verheye --- Oceans and Coasts, Department of Environmental Affairs, South Africa F Buchholz --- , GermanyRates of respiration and ammonia excretion of Euphausia hanseni and Nematoscelis megalops were determined experimentally at four temperatures representative of conditions encountered by these euphausiid species in the northern Benguela upwelling environment. The respiration rate increased from 7.7 µmol O2... -
Diel vertical migration of anchovy Engraulis encrasicolus larvae in the northern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EK Stenevik S Sundby R CloeteThe diel vertical migration of anchovy Engraulis encrasicolus larvae was studied in the northern Benguela during a survey in April 2001. The diel pattern is described in relation to the degree of swimbladder inflation and the vertical structure of temperature... -
A Bayesian state-space model for mixed-stock migrations, with application to Northeast Atlantic mackerel Scomber scombrus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CL Cunningham DG Reid MK McAllister GP Kirkwood CD DarbyManagement of fisheries that exploit mixed-stock populations relies on assumptions made concerning stock structure and mixing in different areas. To address the problems of accounting for uncertainty when formulating scientific advice for the management of highly migratory fish stocks, management... -
Does vertical migratory behaviour retain fish larvae onshore in upwelling ecosystems? A modelling study of anchovy in the southern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Parada C Mullon C Roy P Fréon L Hutchings CD van der LingenA spatially explicit individual-based model (IBM) forced by 3D temperature and current fields simulated by a hydrodynamic model of the southern Benguela upwelling region was used to test two hypotheses concerning the role of diel vertical migration (DVM) by Cape... -
Assessing the utility of a continuous, underway fish egg sampler (CUFES) for sampling zooplankton
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Sono --- Department of Zoology, South Africa CL Moloney --- Marine Research Institute and Department of Zoology, South Africa CD van der Lingen --- Department of Environmental Affairs, South AfricaThe accuracy of using a continuous underway fish egg sampler (CUFES) to sample zooplankton was assessed by comparing CUFES samples with those collected using a vertically towed bongo net. Samples were collected concurrently by the two samplers along four inshore-offshore... -
Reasons for doctor migration from South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: MM Bezuidenhout --- Department of Family Medicine, Faculty of Health Sciences, South Africa G Joubert --- Department of Biostatistics, Faculty of Health Sciences, South Africa LA Hiemstra --- Department of Family Medicine, Faculty of Health Sciences, South Africa MC Struwig --- Faculty of Health Sciences, South AfricaBackground: The migration of doctors from their home countries is not a new phenomenon. Apart from voluntary migration due to various reasons, medical professionals, often from sub-Saharan Africa, are actively recruited by developed countries. Doctors in South Africa are esteemed... -
A broken link: two generations in a rural household in Massinga district, southern Mozambique
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Albert Farré --- The Human Economy Project, Faculty of Humanities, South AfricaLabour migration has long been a recurrent topic in southern Africa, owing to the appearance of industrialised mining production in the mid-nineteenth century, and its overall effects on land and agriculture. In Mozambique, historically one of the main suppliers to... -
Satellite tracking of a young Steppe Eagle from the United Arab Emirates during two spring and autumn migrations
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sàlim Javed --- Environment Agency – Abu Dhabi, United Arab Emirates Shahid Khan --- Environment Agency – Abu Dhabi, United Arab Emirates Junid Nazeer --- Environment Agency – Abu Dhabi, United Arab Emirates Shakeel Ahmed --- Environment Agency – Abu Dhabi, United Arab Emirates Abdullah Al Hammadi --- Environment Agency – Abu Dhabi, United Arab Emirates Eissa Al Hammadi --- Environment Agency – Abu Dhabi, United Arab EmiratesFollowing recovery and successful rehabilitation, a young Steppe Eagle Aquila nipalensis was tagged with a 45 g GPS satellite transmitter to track its migration and identify potential wintering and summering areas of the species passing through the United Arab Emirates... -
First record of predation by the alien invasive freshwater fish Micropterus salmoides L. (Centrarchidae) on migrating estuarine fishes in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Olaf L. F. Weyl --- Department of Ichthyology and Fisheries Science, South Africa Hylton Lewis --- Department of Ichthyology and Fisheries Science, South AfricaThis study presents results from stomach content analysis of 123 largemouth bass, Micropterus salmoides, sampled at the mouth of the fishway leading into a 3 m high weir at the tidal limit of the Kowie River, Eastern Cape Province (33°32‘39“S,... -
Movement ecology of five Afrotropical waterfowl species from Malawi, Mali and Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: John Y Takekawa --- US Geological Survey, USA Shane R Heath --- US Geological Survey, USA Samuel A Iverson --- US Geological Survey, USA Nicolas Gaidet --- CIRAD, UPR AGIRs, Campus international de Baillarguet, France Julien Cappelle --- CIRAD, UPR AGIRs, Campus international de Baillarguet, France Tim Dodman --- Hundland, UK Ward Hagemeijer --- Wetlands International, The Netherlands William D Eldridge --- US Fish and Wildlife Service, USA Scott A Petrie --- Long Point Waterfowl, Canada Gregory S Yarris --- US Geological Survey, USA Shiiwua Manu --- AP Levantis Ornithological Research Institute, Nigeria Glenn H Olsen --- US Geological Survey, USA Diann J Prosser --- US Geological Survey, USA Kyle A Spragens --- US Geological Survey, USA David C Douglas --- US Geological Survey, USA Scott H Newman --- Food and Agriculture Organization of the United Nations, VietnamHabitat availability for Afrotropical waterbirds is highly dynamic with unpredictable rainfall patterns and ephemeral wetlands resulting in diverse movement strategies among different species. Movement strategies among waterfowl encompass resident, regional and intercontinental migrants, but little quantitative information exists on their... -
Seasonality, behaviour and philopatry of spotted ragged‑tooth sharks Carcharias taurus in Eastern Cape nursery areas, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Smale --- Port Elizabeth Museum at Bayworld, South Africa ML Dicken --- Port Elizabeth Museum at Bayworld, South Africa AJ Booth --- Department of Ichthyology and Fisheries Science, South AfricaSpotted ragged‑tooth sharks Carcharias taurus occur along the southern and eastern coasts of South Africa. We report on movements of juveniles and adults within a known nursery area on the Eastern Cape coast using acoustic telemetry. The focus area of... -
Reconsidering displacement in southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Chris de Wet --- Department of Anthropology, South AfricaIn the light of developments in the southern African region over the last number of years, the paper argues for a reconsideration, and an extension, of the way in which the concept of ‘displacement’ has conventionally been understood. It considers... -
A broken link: two generations in a rural household in Massinga district, southern Mozambique
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Albert Farré --- The Human Economy Project, Faculty of Humanities, South AfricaLabour migration has long been a recurrent topic in southern Africa, owing to the appearance of industrialised mining production in the mid-nineteenth century, and its overall effects on land and agriculture. In Mozambique, historically one of the main suppliers to... -
Inferring the links between breeding and wintering grounds in a Palearctic– African migratory bird, the Great Reed Warbler, using mitochondrial DNA data
Item type: Journal Article • Journal: African Zoology • Authors: Naglaa El-Arabany --- Department of Biology, Sweden Marjorie Sorensen --- Department of Zoology, UK Bengt Hansson --- Department of Biology, SwedenUnderstanding spatial connections between breeding and wintering populations is critical for developing sound conservation plans in migratory animals. However, for long-distance migratory songbird species wintering in sub-Saharan Africa, many of which are in a state of population decline, information on... -
Movement patterns of Lichia amia (Teleostei: Carangidae): results from a long-term cooperative tagging project in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Stuart W Dunlop --- Oceanographic Research Institute, South Africa Bruce Q Mann --- Oceanographic Research Institute, South Africa Paul D Cowley --- South African Institute for Aquatic Biodiversity, South Africa Taryn S Murray --- South African Institute for Aquatic Biodiversity, South Africa Jade Q Maggs --- Oceanographic Research Institute, South AfricaUnderstanding fish movement patterns and migrations is important for fisheries management as well as the identification and conservation of critical habitats. Data collected by the Oceanographic Research Institute's Cooperative Fish Tagging Project (ORI-CFTP) were used to describe the large-scale movement... -
Migration patterns of the Osprey Pandion haliaetus on the Eastern European–East African flyway
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ülo Väli --- Department of Zoology, Estonia Urmas Sellis --- Eagle Club, EstoniaWe analysed migration strategies of the Osprey Pandion haliaetus on the poorly studied Eastern European–East African flyway. Four adult birds were equipped with GPS-based satellite-transmitters or data-loggers in their breeding sites in Estonia (north-eastern Europe) and tracked to their wintering... -
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... -
Distribution and seasonal abundance of large cetaceans in the Durban whaling grounds off KwaZulu-Natal, South Africa, 1972–1975
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KP Findlay --- Mammal Research Institute Whale Unit, University of Pretoria, South Africa PB Best --- Mammal Research Institute Whale Unit, University of Pretoria, South AfricaDaily charts of the aerial search effort (432 206 nautical miles) of the Union Whaling Company and 1 099 sightings of 10 497 whales were available from 628 flights off Durban between 1972 and 1975. Densities of whales were analysed... -
Seasonal use of remnant forest fragments by understorey forest birds in the Uluguru Mountains, Tanzania: a conservation priority
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, Tanzania Henry J Ndangalasi --- Department of Botany, TanzaniaForest fragmentation can lead to extinctions of some species at local levels and is eroding bird diversity at an increasing rate. While there is information on the distribution of forest bird species in most of the Eastern Arc Mountain forests,... -
Life cycle of chokka-squid Loligo reynaudii in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Lipiński --- Department of Ichthyology and Fisheries Science, South Africa JSF van der Vyver --- Department of Ichthyology and Fisheries Science, South Africa P Shaw --- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University Penglais, UK WHH Sauer --- Department of Ichthyology and Fisheries Science, South AfricaThis short note summarises past and current knowledge of the life cycle of chokka-squid Loligo reynaudii d’Orbigny, 1845, in South African waters. Prior to approximately 2010, the chokka-squid stock was considered simple and uniform, with one paralarval pool, the drift... -
Migration flyway of the Mediterranean breeding Lesser Crested Tern Thalasseus bengalensis emigratus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdulmaula Hamza --- School of Marine and Environmental Sciences, Malaysia Nicola Baccetti --- Istituto Superiore per la Protezione e la Ricerca Ambientale, Italy Joe Sultana --- BirdLife Malta, Malta Jaber Yahia --- Zoology Department, Faculty of Science, Libya Marco Zantello --- Istituto Superiore per la Protezione e la Ricerca Ambientale, Italy Adriano de Faveri --- Istituto Superiore per la Protezione e la Ricerca Ambientale, Italy Nick Cutts --- Institute of Estuarine and Coastal Studies, UK John Borg --- BirdLife Malta, Malta Hichem Azafzaf --- Regional Activity Centre for Specially Protected Areas, Tunisia Pierre Defos du Rau --- Office National de la Chasse et de la Faune Sauvage, France Esam Bourass --- Nature Conservation Department, Libya Khaled Etayeb --- Zoology Department, Faculty of Sciences, Libya Michael Elliott --- Institute of Estuarine and Coastal Studies, UKThe Lesser Crested Tern Thalasseus bengalensis emigratus breeding population in the Mediterranean is found exclusively in Libya, on the two coastal islands of Gara and Elba and one wetland on the mainland coast at Benghazi. In order to improve knowledge... -
Identity integration across cultural transitions: Bridging individual and societal change
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Moin Syed --- Department of Psychology, USAIdentity research has proliferated in recent years creating a great need for theoretical clarity about the identity concept, and how to use this clarity to understand identities within specific contexts. The present article addresses this need by discussing theoretical aspects... -
Philopatry and dispersal of juvenile leervis Lichia amia (Teleostei: Carangidae) tagged in a warm-temperate South African estuary
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Murray --- South African Institute for Aquatic Biodiversity, South Africa P Cowley --- South African Institute for Aquatic Biodiversity, South Africa A-R Childs --- Department of Ichthyology and Fisheries Science, South Africa R Bennett --- South African Institute for Aquatic Biodiversity, South AfricaUnderstanding and characterising movement and area-use patterns of fishes within estuaries, as well as understanding the degree of connectivity between estuaries and the marine environment, can provide important insights into a species’ ecology, which is fundamental for effective management and... -
Geostatistical modelling of the spatial life history of post-larval deepwater hake Merluccius paradoxus in the Benguela Current Large Marine Ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Jansen --- Benguela Current Commission, Namibia K Kristensen --- Technical University of Denmark – National Institute of Aquatic Resources (DTU Aqua), Denmark TP Fairweather --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa P Kainge --- Ministry of Fisheries and Marine Resources (MFMR), Namibia JN Kathena --- Ministry of Fisheries and Marine Resources (MFMR), Namibia MD Durholtz --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa JE Beyer --- Technical University of Denmark – National Institute of Aquatic Resources (DTU Aqua), Denmark UH Thygesen --- Technical University of Denmark – National Institute of Aquatic Resources (DTU Aqua), DenmarkOptimal and sustainable management of fish resources cannot be ensured without a thorough understanding of the migration patterns and population (demographic stock) structure. Recent studies suggest that these aspects of the economically and ecologically important deepwater hake Merluccius paradoxus are... -
Reflection on the first five years of South Africa’s Acoustic Tracking Array Platform (ATAP): status, challenges and opportunities
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa RH Bennett --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa A-R Childs --- Department of Ichthyology and Fisheries Science, South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaThe Acoustic Tracking Array Platform (ATAP) is a marine science programme that monitors the movements and migrations of inshore marine animals along the South African coastline. Acoustically tagged animals are monitored by an expanded network of approximately 100 automated data-logging... -
Migration of a Peregrine Falcon Falco peregrinus calidus from Saudi Arabia to Cape Town as revealed by satellite telemetry
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bernd-Ulrich Meyburg --- BirdLife Germany (Nature and Biodiversity Conservation Union), Germany Patrick Paillat --- International Fund for Houbara Conservation, United Arab Emirates Christiane Meyburg --- World Working Group on Birds of Prey, France Michael McGrady --- International Avian Research, AustriaIn boreal autumn 1995, we tracked a migrating adult Peregrine Falcon Falco peregrinus calidus from the border of Saudi Arabia and Yemen to near Cape Town, South Africa, a distance of 6 346 km. While on migration it covered 288 km d−1,... -
Food, memory and transnational gastronomic culture amongst Cameroonian migrants in Cape Town, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Henrietta M. Nyamnjoh --- African Centre for Cities, and Environmental and Geographical Science, South AfricaIn the context of accelerated mobility and migration, food forms part of peoples’ historical identity and emotional repertoire. Drawing on ethnographic research amongst Anglophone Cameroonian migrants living in Cape Town, South Africa, this paper explores how Cameroonian migrants maintain their... -
Migration related malnutrition among war-instigated refugee children in the northern part of Cameroon
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Samuel Nambile Cumber --- Discipline of Public Health Medicine, Department of Nursing & Public Health, College of Health Sciences, South Africa Geraldine Sinyuy --- English Modern Letters Department, Cameroon Joyce Mahlako Tsoka-Gwegweni --- Discipline of Public Health Medicine, Department of Nursing & Public Health, College of Health Sciences, South AfricaMigration is interwoven with the problems of health and nutrition. When people migrate, they are still in need of the most basic human needs including nutrition and health care. These two again are inter-related since they affect one another. The... -
Between globalisation and Brexit: Migration, pay and the road to modern slavery in the UK hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Steve French --- Institute for Social Inclusion, United KingdomNeo-liberal economic globalisation has promoted deregulation and a weakening of the role of the state in regulating the national economy. The perceived benefits of competition have been used to justify strategies to reduce operational costs and promote a “race to... -
Sources of fish in the ephemeral western iishana region of the Cuvelai–Etosha Basin in Angola and Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MHT Hipondoka --- Department of Geography, History and Environmental Studies, Namibia BCW van der Waal --- Department of Zoology, South Africa MH Ndeutapo --- Independent Researcher, Angola L Hango --- Ministry of Agriculture, Water and Forestry, Department of Water Affairs and Forestry, NamibiaThe triangle between the Kavango and Kunene rivers is drained by the Cuvelai, an ephemeral and deltaic drainage system covering more than 100 000 km2. In good rainfall years, the area becomes populated by fish communities dominated by five species... -
Migritude’s Decolonial Lessons
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Neelofer Qadir --- Department of English, USAIn this essay, I trace the deep time of the Indian Ocean through and against which Shailja Patel fabulates the notion of migritude and, in particular, what its valences are for solidarities between black and brown Kenyans and other south-south... -
“Posted home”: migration, tuberculosis and structural violence in Maphisa, Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Min'enhle Ncube --- Social Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South AfricaStructural violence underscored by the political economy plays a pivotal role in the epidemics of HIV/AIDS and tuberculosis in Zimbabwe. Political and economic hardship make migration across the border for work necessary for rural locals in Zimbabwe in order to... -
Montane forest birds in winter: do they regularly move to lower altitudes? Observations from the Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa Patrick E Hulley --- Department of Zoology and Entomology, South AfricaSeasonal altitudinal migration to lower altitudes including the coast has been ascribed to a number of forest birds, of which 14 species occur at Fort Fordyce Reserve in the Eastern Cape, South Africa. Based on our observations and ringing at... -
Impact of shorebird predation on intertidal macroinvertebrates in a key North African Atlantic wintering site: an experimental approach
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Joulami --- Faculty of Sciences Ben M’sik, Morocco R El Hamoumi --- Faculty of Sciences Ben M’sik, Morocco Z Daief --- Faculty of Sciences Ain Chock, Morocco H Bazairi --- Faculty of Sciences, Morocco RJ Lopes --- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), InBio Laboratório Associado, PortugalShorebirds, as migratory aquatic birds and top predators in intertidal ecosystems, can be affected by global environmental changes and escalations in local impacts on coastal lagoons and estuarine trophic networks. Many shorebirds winter in North African Atlantic coastal sites, most... -
Fieldwork as performance: being ethnographic in film-making
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Julia Koch --- Institute of Social and Cultural Anthropology, GermanyThis paper examines the use of the visual medium of collaborative ethnographic film-making as a fieldwork method in anthropology. Focusing on practices of filming, I adapt Richard Schechner’s ideas of performance processes and relational quadrilogues to move beyond the dichotomy... -
“Left behind”: why implementing migration-aware responses to HIV for migrant farm workers is a priority for South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Thea de Gruchy --- The African Centre for Migration & Society, South Africa Jo Vearey --- The African Centre for Migration & Society, South AfricaLike many other countries, South Africa (SA) has committed to the Sustainable Development Goals that aim to “leave no-one behind”, in efforts towards universal health coverage, and meeting the UNAIDS 90–90–90 targets through the implementation of universal test and treat... -
Seasonal abundance and distribution of Red-capped Robin Chat Cossypha natalensis in the Eastern Arc Mountains, Tanzania
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Chacha Werema --- , TanzaniaIn Africa, the migratory status of the Red-capped Robin Chat Cossypha natalensis is still not well understood. In some areas, this species has been regarded as either a full or a partial migrant, whereas in other parts of its range,... -
First look at humpback whale (Megaptera novaeangliae) song structure from western South Africa
Item type: Journal Article • Journal: African Zoology • Authors: James Seymour Hawkey --- , South Africa Simon Harvey Elwen --- , South Africa Bridget Susan James --- , South Africa Alexa Simone Prinsloo --- , South Africa Tess Gridley --- , South AfricaHumpback whales are known for their complex and well-structured song that is typically produced on low-latitude breeding grounds. However, there is increasing evidence of song production on migration routes and high-latitude feeding grounds. Within a breeding ground and season, males... -
Child learners of parents in employment sojourn: Their lived experiences in separation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ricanos Jaure --- , South Africa Alfred H. Makura --- , South AfricaThis study explored the lived experiences of adolescent learners of work sojourn parents. We interviewed six left-behind Zimbabwean learners (three boys and three girls; age range = 15 to 18 years) about their lived experiences with parental absence due to... -
Liminality in incorporation: regularisation of undocumented Zimbabweans in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Shingirai Nyakabawu --- , South AfricaSince 2000, large numbers of undocumented Zimbabweans have settled in South Africa in search of better living opportunities. In 2010, the South African government approved an immigration amnesty known as the Dispensation Zimbabwe Permit (DZP). This article argues that DZP... -
The role of “food” in network formation and the social integration of undocumented Zimbabwean migrant farmworkers in the Blouberg-Molemole area of Limpopo, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Denboy Kudejira --- , CanadaThis article examines the role of food in mediating social relations between undocumented Zimbabwean migrant farmworkers and other Zimbabweans living and working in the Blouberg and Molemole local municipalities in Limpopo province, South Africa. Based on ethnographic research, the article... -
When the flathead mullet left St Lucia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AK Whitfield --- , South AfricaThe St Lucia estuarine system on the east coast of South Africa is a declared World Heritage Site and Ramsar Site of International Importance. A major ecological feature of St Lucia during the last century was the annual spawning migration... -
Day/night patterns of habitat use by dogfish sharks (Squalidae) at photic and subphotic warm-temperate reefs: evidence for diel movements and size- and sex-segregation
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Juby --- , South Africa ATF Bernard --- , South Africa A Götz --- , South AfricaDogfish sharks (genus Squalus) demonstrate complex distribution patterns that may increase their vulnerability to selective overfishing. This study investigated the day/night reef-use patterns in a population of dogfish (presumably Squalus acutipinnis) on shallow photic (13–35 m) and deep subphotic (51–99... -
Educational failure as a potential opening to real teaching – The case of teaching unaccompanied minors in Norway
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Wills Kalisha --- , Norway Tone Saevi --- , NorwayThis article explores the complexity of classroom interaction between teachers and unaccompanied teenagers seeking asylum in Norway. These teenagers find themselves within legal and political ‘grey areas’ where educational goals specific to their extreme situations are unavailable to them, and... -
Investigating the influence of the extreme Indian Ocean Dipole on the 2020 influx of Red-necked Phalaropes Phalaropus lobatus in Kenya
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Raphaël Nussbaumer --- , Kenya Mathieu Gravey --- , Switzerland Améline Nussbaumer --- , Kenya Colin Jackson --- , KenyaOcean currents have wide-ranging impacts on seabird movement and survival. By extension, the extreme oscillations they are subject to, such as extreme Indian Ocean Dipole (IOD) events, can also be expected to dramatically influence seabird populations. This study links the... -
Spawning observations of Pomadasys commersonnii in the marine section of the Knysna estuarine bay, Western Cape, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EC Butler --- , South Africa A-R Childs --- , South Africa MKS Smith --- , South Africa RM Foster --- , South Africa WM Potts --- , South AfricaKnowledge of the location and timing of spawning events is critical for fisheries management. As is the case for many southern African fishes, the spotted grunter Pomadasys commersonnii was historically thought to reproduce in the coastal waters off KwaZulu-Natal Province... -
“Becoming a somebody”: mobility, patronage and reconfiguration of transactional sexual relationships in postcolonial Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rufaro H. Mushonga --- , Zimbabwe Vupenyu Dzingirai --- , ZimbabweThe article explores the many ways in which Zimbabwean women married to Nigerian migrant entrepreneurs in Harare reconfigure transactional sexual relationships to further their own ends. Drawing on postcolonial feminism and based on a qualitative ethnographic inquiry, the article highlights... -
Suspicious bodies: anti-citizens and biomedical anarchists in South Africa’s public health care system
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kudakwashe Vanyoro --- , South AfricaIt has become “common sense” to assert that access to public health care services for foreign migrants is de facto exclusionary. Conceptual tools for assessing these experiences are relatively absent and limited to “medical xenophobia.” This article deploys suspicion as... -
Cinereous Vulture Aegypius monachus movements between Europe and Africa show a pattern across the Strait of Gibraltar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Juan Ramírez --- Malaga University, Spain Javier Elorriaga --- , Spain Andrés de la Cruz --- Spanish Institute of Oceanography (IEO), Spanish National Research Council (CSIC), SpainThe biology of the Cinereous Vulture Aegypius monachus is well known across its breeding range, and the species’ dispersal and movements throughout Europe are widely recorded. However, the ecology of this vulture south of the Mediterranean Sea has been overlooked,... -
The association between internal migration and teenage fertility control: A South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sibusiso Mkwananzi --- Institute for Gender Studies, University of South Africa, South AfricaThis study investigated the association between internal migration, as a form of residential mobility, and teenage fertility in South Africa. Data were from the 2001 and 2011 South African censuses, n 2001 = 335 065 and n 2011 = 316... -
Aspiring to citizenship: African immigrant youth and civic participation in Cape Town, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Alison Kuah --- University of Cape Town, South AfricaBased on ethnographic fieldwork carried out in Cape Town over four months, this article addresses the question of how African immigrant youth experience life and live as “citizens” in Cape Town. African immigrant youth straddle multiple positions, localities and identities... -
Estimating population changes in humpback whales Megaptera novaeangliae migrating past Cape Vidal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Wilkinson --- Cape Peninsula University of Technology, South Africa E Seyboth --- Cape Peninsula University of Technology, South Africa J Olbers --- , South Africa E Vermeulen --- University of Pretoria, South Africa R Kramer --- WILDTRUST, South Africa K Findlay --- Cape Peninsula University of Technology, South AfricaShore-based surveys of humpback whales Megaptera novaeangliae were performed from Cape Vidal, on the east coast of South Africa (iSimangaliso Marine Protected Area, Indian Ocean), from two independent platforms between 27 June and 7 August in 2018 and 2019, to... -
Nimble-footed Zimbabwean migrants: (im)mobility and the porousness of borders between South Africa and Zimbabwe during the Covid-19 national lockdown
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Mutsawashe Mutendi --- University of Cape Town, South Africa Tamuka Chekero --- University of Cape Town, South AfricaThis ethnographic study highlights the impact of Covid-19 border closures on the migration patterns of Zimbabwean cross-border migrants. Data in this study were collected using qualitative techniques, one-on-one telephonic interviews and social media platforms from 20 participants over a period... -
Spatial use of non-breeding sites by adult GPS-tracked Ospreys Pandion haliaetus from Germany
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bernd-Ulrich Meyburg --- , Germany Daniel Holte --- , GermanyRecent analyses of telemetry data on Ospreys Pandion haliaetus predominantly address migratory movements, whereas studies focusing on spatial use are rare, especially concerning the African non-breeding areas. We analysed GPS telemetry data of 15 adult Ospreys breeding in northeast Germany,... -
Covid-19 pandemic and mobility strategies of Chadian roadside vendors in Kousseri, Cameroon
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Robi Layio --- University of Maroua, CameroonThe movement of people between N’Djamena (Chad) and Kousseri (Cameroon) has drastically increased since the construction of the Nguéli Bridge linking the two cities in 1985. This massive movement of people came to a sudden halt in 2020 when the... -
Seasonal movements of Black Coucals Centropus grillii in Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Soladoye B Iwajomo --- University of Lagos, Nigeria Himma Bakam --- Kaduna State University, Nigeria Shiiwua A Manu --- University of Jos, Nigeria Ulf Ottosson --- AP Leventis Ornithological Research Institute, University of Jos, Nigeria Kasper Thorup --- Globe Institute, University of Copenhagen, DenmarkThe scale of movement associated with the migration of many intra-African bird species is still poorly known even with the increasing availability of tracking devices. In this study, we tracked the movements of Black Coucals Centropus grillii breeding in Nigeria... -
Migratory movement of photo-identified humpback whales Megaptera novaeangliae along the southeastern coast of Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Tree --- Cape Peninsula University of Technology, South Africa J Olbers --- , South Africa E Seyboth --- Cape Peninsula University of Technology, South Africa SM Seakamela --- , South Africa VG Cockcroft --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa E Vermeulen --- Mammal Research Institute Whale Unit, University of Pretoria, South Africa KP Findlay --- Cape Peninsula University of Technology, South AfricaThe global conservation of humpback whales Megaptera novaeangliae relies on continuous assessments of the populations’ post-whaling status, which in turn require information on population mixing and movements. One of the seven breeding stocks in the Southern Hemisphere, breeding stock C... -
‘Vampire birds’: diet metabarcoding reveals that migrating Woodchat Shrikes Lanius senator consume engorged camel ticks in a desert stopover site
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Crinan Jarrett --- Swiss Ornithological Institute, Switzerland Marc Illa --- Institut Català d’Ornitologia, Nat-Museu de Ciències Naturals de Barcelona, Spain Marta Burri --- Swiss Ornithological Institute, Switzerland Gabriel Marcacci --- Swiss Ornithological Institute, Switzerland Vanessa A Mata --- Universidade do Porto, Portugal Maria Luisa Boglino --- Konrad-Lorenz Institute of Ethology, University of Veterinary Medicine, Austria Oumnia Himmi --- Mohammed V University of Rabat, Institut Scientifique, Morocco Ivan Maggini --- Konrad-Lorenz Institute of Ethology, University of Veterinary Medicine, Austria Barbara Helm --- Swiss Ornithological Institute, SwitzerlandData on the diets of Afro-Palearctic migratory birds outside their breeding grounds are scarce, despite the importance of feeding during the migratory journey. Here, we report on anecdotal findings from a study in which we used diet metabarcoding to analyse... -
Willingness to stay or quit: evidence from migrants working in the galway bar and restaurant industry in Ireland
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Olaiwola Jamiu Ogunpaimo --- University of Galway, Ireland Kesiena Ebenade --- School of Business, National College of Ireland, IrelandHealth and safety issues, irregular working hours and low wages frequently intensify the concerns that migrant hospitality workers experience regarding their jobs. Given these challenges, the article explores the work motivation and career intentions of migrant workers in the Galway... -
Economies of care and the politics of death among Zimbabwean returnees from South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Saana Hansen --- Social Sciences, University of Helsinki, FinlandThis article explores how Zimbabwe’s prolonged politico-economic crisis and large-scale migration to South Africa have impacted care practices surrounding transnational death. Focusing on the repatriation of dying and deceased injivas (low-income migrants from Matabeleland), it examines how return migrants and... -
The importance of Dakhla (Western Sahara) as a wintering site for Ospreys Pandion haliaetus: first systematic census
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Carlos A Torralvo --- CIMA, Spain Jorge García-Macía --- CIMA, Spain Miguel Ferrer --- CSIC, Spain Virginia Morandini --- National Museum of Natural Sciences of Madrid, CSIC, SpainThe Osprey Pandion haliaetus is a large piscivorous raptor with a world-wide distribution. European populations are often long-distance migrators, overwintering in different regions of Africa and the Mediterranean basin. Until now, citizen science and occasional reports suggested that the Dahkla... -
Long-term tracking reveals variable partial migration and nomadism in an Endangered bustard
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Rachel Dobson --- Sustainability Research Institute, School of Earth and Environment, University of Leeds, United Kingdom Jessica M Shaw --- University of Cape Town, South Africa Robin Colyn --- University of Cape Town, South Africa Peter G Ryan --- University of Cape Town, South AfricaNomadism is characterised by irregular movement patterns that vary within and among years, as individuals respond to dynamic environmental conditions across space and time. Nomadic bird movements are poorly understood because their high variability challenges traditional monitoring techniques. To effectively... -
Spring migration phenology of trans-Saharan migratory birds at a southern Tunisian oasis
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Fatma Belani --- University of Gabès, Tunisia José Javier Cuervo --- National Museum of Natural Sciences, Spain Marina García-del Río --- National Museum of Natural Sciences, Spain Abdessalem Hammouda --- University of Gabès, Tunisia Ivan Maggini --- Konrad Lorenz Institute of Ethology, University of Veterinary Medicine, Austria Slaheddine Selmi --- University of Gabès, TunisiaNorth African date palm oases are regarded as important stopover sites for trans-Saharan migratory birds after their Sahara crossing during spring migration. However, little is known about the timing of migration through these areas. In this study, we investigated the... -
The women eat last: traditions, table manners and gender narratives at the Romanian dining table
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Alexandra Constantinescu --- Buckinghamshire New University, United KingdomThis study explores gendered food practices and mealtime dynamics in Romanian households, both in Romania and in the United Kingdom. It examines how traditions of food sourcing, preparation, and serving are reproduced, adapted, or contested in native and diasporic settings... -
Surveys of Sooty Falcons Falco concolor wintering in Madagascar in 2023 and 2024
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gilbert Razafimanjato --- , Madagascar Michael J McGrady --- International Avian Research, Austria Radoniaina Razafiherison --- , Madagascar Heritiana J Randriamanantena --- , Madagascar Marius PH Rakotondratsima --- , Madagascar Idéaly J Dinafitiavana --- , Madagascar Russell Thorstrom --- World Center for Birds of Prey, United States Lily-Arison Rene de Roland --- , MadagascarMadagascar is the non-breeding-season destination for a significant proportion of the global population of the migratory and Vulnerable Sooty Falcon Falco concolor. Here, we report on surveys of wintering birds in Madagascar, conducted in 2023 and 2024 over a total... -
Wintering grounds under protection: population stability and conservation of migrating waders at Europa Island, western Indian Ocean
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Florinah Razafimandimby --- Université de La Réunion, France Maxime Amy --- TAAF (Terres australes et antarctiques françaises), France Matthieu Le Corre --- Université de La Réunion, FranceThe tropical western Indian Ocean islands are at the southern limit of the East Africa–West Asia Flyway, but their importance for wintering and conservation of Palearctic waders remains poorly understood. Europa Island, a remote coralline island in the southern Mozambique... -
Distribution and movement patterns of white musselcracker Sparodon durbanensis, a South African endemic seabream
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann --- Oceanographic Research Institute (ORI), South Africa GL Jordaan --- Oceanographic Research Institute (ORI), South Africa R Daly --- Oceanographic Research Institute (ORI), South Africa WN Dalton --- Oceanographic Research Institute (ORI), South Africa PA Watt-Pringle --- Oceanographic Research Institute (ORI), South Africa K Hewett --- Rhodes University, South Africa WM Potts --- Rhodes University, South AfricaThe white musselcracker Sparodon durbanensis (family Sparidae) is a highly prized shore angling and spearfishing species. This study investigated its movement behaviour along the southeastern seaboard of South Africa, using tag-recapture data. A total of 3 378 S. durbanensis were... -
The movements of adult leerfish Lichia amia in the Breede Estuary, Western Cape, South Africa: insights from acoustic telemetry
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Kilian --- Rhodes University, South Africa TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JD Filmalter --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa TF Næsje --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa RJ Wasserman --- Rhodes University, South AfricaLeerfish Lichia amia inhabit estuaries as juveniles before moving between estuaries and the marine environment as sub-adults and adults. While adults remain mostly in the marine environment, philopatry has been observed, with individuals returning to areas previously used, including estuaries... -
Assessment of the movement behaviour of dusky kob Argyrosomus japonicus along the coast of South Africa using 39 years of tag-recapture data from a voluntary tagging project
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Knight --- Rhodes University, South Africa M Farthing --- Rhodes University, South Africa A Winkler --- Rhodes University, South Africa BQ Mann --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa WM Potts --- Rhodes University, South AfricaThe dusky kob Argyrosomus japonicus (family Sciaenidae) is a large-sized estuarine-dependent fish of high fisheries importance, with only ∼1.3% of the pristine stock remaining due to overexploitation, habitat loss and mismanagement. Its conservation is complicated by the species’ cryptic morphology... -
Unravelling the mystery of a unique giant trevally Caranx ignobilis aggregation in the Mtentu Estuary, Pondoland Marine Protected Area, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RB Dixon --- Rhodes University, South Africa BQ Mann --- Rhodes University, South Africa TS Murray --- Rhodes University, South Africa PD Cowley --- Rhodes University, South Africa R Daly --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaThe giant trevally Caranx ignobilis (family Carangidae) is an iconic apex predatory fish valued by recreational and commercial fisheries globally. A seasonal but episodic aggregation of up to ∼1 000 individuals takes place in the Mtentu Estuary in the Eastern... -
Assessing instream structures to evaluate river connectivity of urban streams in the city of Pietermaritzburg, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Nolwazi B Ngcobo --- University of KwaZulu-Natal, South Africa Matthew J Burnett --- University of KwaZulu-Natal, South Africa Céline C Hanzen --- University of KwaZulu-Natal, South Africa Colleen T Downs --- University of KwaZulu-Natal, South AfricaArtificial barriers in freshwater ecosystems may hinder fish movement by altering their habitat and fragmenting rivers. We assessed the impact of anthropogenic structures on river connectivity in Pietermaritzburg, KwaZulu-Natal, South Africa. We mapped the barriers on eight watercourses using the...