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Interaction between Cape hake spawning and the circulation in the northern Benguela upwelling ecosystem
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: S. Sundby A. J. Boyd L. Hutchings M. J. O'Toole K. Thorisson A. ThorsenCape hake in Namibian waters are demersal and mesopelagic spawners, spawning peaking offshore between 100 and 400 m deep, depending on local environmental conditions. The cross-shelf circulation, low-oxygen layers and mesoscale gyres are three important environmental factors influencing hake spawning... -
A NOTE ON TRIOPS GRANARIVS (LUCAS), LYNCEUS TRUNCATUS BARNARD AND STREPTOCEPHALUS CAFER (LOVéN) (BRANCHIOPODA: CRUSTACEA) FROM UMFOLOZI GAME RESERVE, NATAL, SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: NancyA. Rayner --- Department of Zoology, South Africa A.E. Bowland --- Department of Zoology, South AfricaThree species of branchiopod (phyllopod) Crustacea were collected from an ephemeral pool in Umfolozi Game Reserve in December 1983 and 1984. There is no published record of the occurrence of Triope granarius (Lucas) and Lynceus truncatus Barnard in Natal. Streptocephalus... -
AN EVALUATION OF BABY FISH FOOD AS A SUITABLE DIET FOR THE FRESHWATER SNAIL, BIOMPHALABIA GLABRATA (SAY)
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: P.H. Joubert --- Research Institute for Diseases in a Tropical Environment, South Africa K.N. de Kock --- Research Institute for Diseases in a Tropical Environment, South AfricaTetra Kin Baby Fish Food ‘E’ for Egglayers (Tetra ‘E’) was evaluated as a possible nutrient for the laboratory culture and maintenance of pigmented and unpigmented Biomphalaria glabrata (Say). Growth was monitored weekly by determining shell diameter and mass. The... -
Branchipodopsis species — specialists of ephemeral rock pools
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Brendonck ML Hamer BJ Riddoch MT SeamanThe anostracan Branchipodopsis genus is widespread throughout southern Africa and is the second most speciose anostracan taxon in this sub-continent. Branchipodopsis species are particularly dominant in small short-lived and clear rock pools, to the vagaries of which they are extremely... -
Histological studies to evaluate gonad development in Barbus neefi (Cyprinidae), the sidespot barb, from South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W VlokBarbus neefi gonads were collected seasonally from specimens from the Selati and Makutsi Rivers, tributaries of the Olifants River in Limpopo and Mpumalanga provinces, South Africa, preserved in 4% formalin solution and stained with hematoxilin/eosin. These collections represent new records... -
Fecundity and sexual maturity of the crab Macrophthalmus depressus (Brachyura: Ocypodidae) from Inhaca Island, Mozambique
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Carlos Litulo Adriano Macia FernandoLM MantelattoSome reproductive aspects of the ocypodid crab Macrophthalmus depressus, were investigated, with emphasis on fecundity and sexual maturity. Random intertidal crab samples taken in October 2002 were identified, sexed, measured, checked for the presence of eggs on female pleopods, dissected... -
Avian fossils from the Early Miocene Moghra Formation of Egypt
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: N Adam Smith --- National Evolutionary Synthesis Center, USAAvian remains from the Early Miocene (∼17 Ma) Moghra Formation of Egypt include new records of ‘waterbirds’ (storks, herons, pelicans and allies) and a ratite. Only a single avian fossil has been previously reported from Wadi Moghra and, thus, additional... -
Adult Movement and Larval Dispersal of Argyrozona Argyrozona (Pisces: Sparidae) from a Temperate Marine Protected Area
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S. L. Brouwer M. H. Griffiths M. J. RobertsAdult emigration and larval dispersal of carpenter Argyrozona argyrozona from the Tsitsikamma National Park (TNP), South Africa, were investigated using mark-recapture data and Acoustic Doppler Current Profiler measurements of currents. Tagging data showed that adult carpenter were mainly resident, with... -
Fecundity of spiny lobster Palinurus gilchristi (Decapoda: Palinuridae) off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JC GroeneveldFecundity of spiny lobster Palinurus gilchristi was investigated on traditional lobster fishing grounds on the Agulhas Bank, from Mossel Bay to Algoa Bay, and Port Alfred, based on early- and late-stage egg masses collected from 415 mature females (58–118mm carapace... -
Stage-dependent vertical distribution of pelagic fish eggs on the western Agulhas Bank, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MT Dopolo CD van der Lingen CL MoloneyThe vertical distributions of eggs of anchovy Engraulis encrasicolus, sardine Sardinops sagax and round herring Etrumeus whiteheadi over the western Agulhas Bank, South Africa, were sampled between 0m and 100m, using an opening-closing WP-2 net, to investigate differences in developmental... -
Influence of oceanographic fronts and low oxygen on the distribution of ichthyoplankton in the Benguela and southern Angola currents
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: W Ekau HM VerheyeThe study focuses on ichthyoplankton populations in the southern Angola Current, the Angola-Benguela Front and the coastal upwelling area of the northern and central Benguela Current. The horizontal and vertical distributions of eggs and larvae of sardine Sardinops sagax, anchovy... -
Vertical distribution of small pelagic fish eggs and larvae on the eastern Agulhas Bank, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: W Osman --- Department of Zoology and Marine Research Institute, South Africa CL Moloney --- Department of Zoology and Marine Research Institute, South Africa CD van der Lingen --- Department of Agriculture, South AfricaVertical distributions of anchovy Engraulis encrasicolus and sardine Sardinops sagax eggs and larvae within the upper 50 m of the water column on the eastern Agulhas Bank, South Africa, were examined using discrete depth samples collected with a multiple, opening/closing... -
Cyclonic eddies reveal Oegopsida squid egg balloon masses in the Agulhas Current, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Oceans and Coasts, Department of Environmental Affairs, South Africa T Zemlak --- Department of Integrative Biology, Canada A Connell --- , South AfricaIn 2005, 2006, 2007 and 2011, distinct Oegopsida squid egg masses were observed by scuba divers on the narrow southern KwaZulu-Natal (KZN) shelf in depths of 35–50 m off the coastal resorts of Park Rynie, Pumula and Port Edward, South... -
Diet and prey selection in late-stage larvae of five species of fish in a temperate estuarine nursery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NA Strydom --- Department of Zoology, South Africa K Sutherland --- Department of Zoology, South Africa TH Wooldridge --- Department of Zoology, South AfricaThe plankton assemblage of the permanently open Sundays Estuary in South Africa was sampled seasonally to provide further information on the feeding ecology of the larval stages of fishes in temperate estuaries. Collections were made between winter 2007 and autumn... -
“New” pine species and hybrids: Is there still potential?
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Eric Kietzka --- Mondi Forests, Republic of South AfricaMany tree breeding programs are moving into advanced generation breeding, and breeders need to ensure continued gains from these programs. The potential of infusing genetic material into existing breeding programs, the introduction of “new” species, and hybridisation are discussed as... -
Performance of two Pinus patula hybrids in southern Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: A Kanzler --- Sappi Forest Research, South Africa K Payn --- , South Africa A Nel --- Sappi Forest Research, South AfricaTwo Pinus patula hybrids, P. greggii × P. patula and P. patula × P. tecunumanii, were planted across a number of sites in southern Africa. The growth and survival for each species/taxon was assessed at either 5 or 8 years... -
Growth models based on radial increment observations for eight pine species in Angola
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Cristobal Delgado-Matas --- Faculty of Agrarian Sciences, Angola Timo Pukkala --- School of Forest Sciences, FinlandGrowth models for the Central Highlands of Angola were developed in this study for Pinus pseudostrobus Lindl., P. kesiya Royle ex Gordon, P. devoniana Lindl., P. chiapensis (Martinez) Andresen, P. elliottii Engelm., P. greggii Engelm. ex Parl., P. montezumae Lamb... -
Comparative ecology of the copepods Calanoides carinatus and Calanus agulhensis — the influence of temperature and food
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JA Huggett AJ Richardson JG FieldHypotheses regarding temperature, food abundance and food size were tested to explore niche separation between Calanoides carinatus, an abundant copepod in the cool and food-rich southern Benguela upwelling system, and Calanus agulhensis, the dominant copepod on the warmer, relatively food-poor... -
Fine-scale spatial variability of different stages of pelagic fish eggs over the western Agulhas Bank, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MT Dopolo L Drapeau CD van der Lingen CL MoloneyStage-dependent spatial distributions of anchovy Engraulis encrasicolus, sardine Sardinops sagax and round herring Etrumeus whiteheadi eggs over the western Agulhas Bank South Africa were examined from samples collected at a fine-scale (1.8 km) resolution using a continuous underway fish egg... -
Egg-capping in the Southern Ground-Hornbill Bucorvus leadbeateri
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kathleen F Carstens --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa‘Egg-capping’ describes occurrences of the empty shell from a hatched egg slipping over an unhatched egg from the same clutch. It is a rare phenomenon, occurring typically in <2% of nests monitored. Here I report the first two observed cases... -
Pseudo-egg and exotic egg adoption by Kelp Gulls Larus dominicanus vetula
Item type: Journal Article • Journal: African Zoology • Authors: Minke Witteveen --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa Mark Brown --- School of Life Sciences, University of KwaZulu-Natal, South Africa Peter G Ryan --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South AfricaGround-nesting birds, particularly larids, are known to include a variety of items in their nests as pseudo-eggs, as well as to adopt the eggs of conspecifics or other species. Three hypotheses have been put forward to explain this phenomenon: incubation... -
Reproductive ecology and egg production of the radiated tortoise (Geochelone radiata) in southern Madagascar
Item type: Journal Article • Journal: African Zoology • Authors: Thomas E.J. Leuteritz --- Department of Biology, U.S.A. Rollande Ravolanaivo --- Department of Animal Biology, MadagascarWe studied reproduction of wild Geochelone radiata at the Cap Sainte Marie Special Reserve in southwestern Madagascar to gain insight into life history traits related to reproductive success. Reproductive behaviour was observed over two nesting seasons and egg production was... -
Diversity, dispersal and disturbance: cladoceran species composition in the Okavango Delta
Item type: Journal Article • Journal: African Zoology • Authors: Markus Lindholm --- Norwegian Institute for Water Research/NIVA, Norway Dag O. Hessen --- Department of Biology, Norway Lars Ramberg --- Harry Oppenheimer Okavango Research Centre, University of Botswana, BotswanaCommunities exposed to intermediate disturbances have been shown to be more diverse than more stable or unstable systems. We recorded the diversity pattern of zooplankton in the Okavango Delta, Botswana, a system which include water bodies with different stability with... -
Patterns of egg deposition and egg development in the catsharks Poroderma pantherinum and Haploblepharus pictus
Item type: Journal Article • Journal: African Zoology • Authors: C. Pretorius --- Marine Biology Research Centre and Department of Biological Sciences, South Africa C. L. Griffiths --- Marine Biology Research Centre and Department of Biological Sciences, South AfricaPatterns of egg deposition and rates of egg development were examined for two endemic South African scyliorhinid shark species: Poroderma pantherinum, the leopard catshark, and Haploblepharus pictus, the dark shy shark. P. pantherinum laid their eggs at an average depth... -
Confinement lowers fertility rate of helmeted guinea fowl (Numida meleagris) eggs
Item type: Journal Article • Journal: African Zoology • Authors: Dennis M. Kimata --- School of Biological Sciences, University of Nairobi, Kenya Richard W. Mwangi --- School of Biological Sciences, University of Nairobi, Kenya Peter M. Mathiu --- Department of Veterinary Anatomy and Physiology, KenyaGuinea fowl is a common game bird in Africa and there have been efforts to domesticate it for use as a source of human food. An important obstacle in successful domestication of guinea fowl is their low fertility rate.We studied... -
Phenology, nest-site selection and breeding success of a North African colony of the yellow-legged gull, Larus michahellis
Item type: Journal Article • Journal: African Zoology • Authors: Afef Baaloudj --- Laboratoire de Recherche et de Conservation des Zones Humides University of Guelma, Algeria Farrah Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides University of Guelma, Algeria Ahmed H. Alfarhan --- Center of Excellence for Research in Biodiversity King Saud University, Saudi Arabia Boudjéma Samraoui --- Center of Excellence for Research in Biodiversity King Saud University, Saudi ArabiaGulls are good biological models to investigate anthropogenic changes affecting the environment. We studied the breeding ecology of a monospecific colony of yellow–legged gulls, Larus michahellis on the Algerian island of Srigina, during three consecutive years (2009–2011) and attempted to... -
Egg morphology of Swift Terns in South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Davide Gaglio --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Timothée R Cook --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Richard B Sherley --- Animal Demography Unit and Marine Research Institute, Department of Biological Sciences, South AfricaMorphology of Swift Tern Thalasseus bergii bergii eggs was examined on Robben Island, South Africa. A recently formed colony was found abandoned en masse, probably following human disturbance, and 146 freshly laid eggs were collected. The mean±SD nest density was... -
Biophysical models of larval dispersal in the Benguela Current ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Lett --- UMI IRD 209 UPMC UMMISCO, Centre de Recherche Halieutique Méditerranéenne et Tropicale, France CD van der Lingen --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa BR Loveday --- Remote Sensing Group, Plymouth Marine Laboratory, UK CL Moloney --- Marine Research Institute and Department of Biological Sciences, South AfricaWe synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. Biophysical models of larval dispersal use outputs of physical hydrodynamic models as inputs to individual-based models in which biological processes acting during... -
Johnny Clegg: a shadow man
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Marguerite de Villiers --- , South AfricaJohnny Clegg has been given many labels — White Zulu, academic, activist, performer. In the context of apartheid South Africa, his deliberate interaction with Zulu-speaking migrant workers and street musicians in Johannesburg helped shape his performance style. His training in... -
Relationship between clutch size, egg volume and hatching success in a Yellow-legged Gull Larus michahellis colony in south-eastern Tunisia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdessalem Hammouda --- Département des Sciences de la Vie, Tunisia Foued Hamza --- Département des Sciences de la Vie, Tunisia Jessica Pearce-Duvet --- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE), France Slaheddine Selmi --- Département des Sciences de la Vie, TunisiaThis study aimed to test the hypothesis that clutch size covaries with egg volume and hatching success in the Yellow-legged Gull Larus michahellis. We determined clutch size and egg volume in a sample of 131 nests, and we used the... -
Clutch, egg and hatchling characteristics in the Souss Valley tortoises, Testudo graeca soussensis Pieh, 2001 (Testudines: Testudinidae) from an arid steppe-land of west-central Morocco
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Nawal Hichami --- , , Morocco Mohammed Znari --- , , Morocco Mohamed Naimi --- , , Morocco Salwa Namous --- , , MoroccoClutch, egg and hatchling characteristics in the Souss Valley tortoises Testudo graeca soussensis (Testudinidae) from an arid steppe area of west-central Morocco were investigated in semi captivity in spring–early summer 2011. Mating activity occurs twice in the year, mainly in... -
Improved parameters of Pinus greggii seedling growth and health after inoculation with ectomycorrhizal fungi
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rebeca Casique Valdés --- Department of Horticulture, Mexico Rosalinda Mendoza Villarreal --- Department of Horticulture, Mexico Fernando Galindo García --- Department of Horticulture, Mexico Susana González Morales --- Department of Horticulture, Mexico Sergio Sanchez Peña --- Department of Parasitology, MexicoPinus greggii Engelm. ex Parl. is an endemic pine of Mexico with notorious adaptability to eroded, shallow and poor soils. It is widely used in reforestation programmes worldwide. The purpose of the present study is to develop an ectomycorrhizal fungi... -
Rotational grazing approaches reduces external and internal parasite loads in cattle
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Monde Rapiya --- Department of Livestock and Pasture Science, South Africa Heidi-Jayne Hawkins --- Department Biological Sciences, South Africa Voster Muchenje --- Department of Livestock and Pasture Science, South Africa John F Mupangwa --- Department of Animal Sciences, Namibia Munyaradzi C Marufu --- Department of Production Animal Studies, South Africa Kennedy Dzama --- Department of Animal Sciences, South Africa Cletos Mapiye --- Department of Animal Sciences, South AfricaWe tested whether holistic planned grazing (HPG) and four-camp grazing (FCG) rotational grazing approaches influence beef cattle parasites counts compared with continuous, season-long (SLG) grazing. We expected that parasite counts would increase linearly with increasing camp occupancy by cattle from... -
Breeding ecology of the Andalusian Buttonquail Turnix sylvaticus sylvaticus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Carlos Gutiérrez-Expósito --- Departamento de Biología de la Conservación, Estación Biológica de Doñana-CSIC, Spain Ruth García-Gorria --- Ibn Khaldoun 1, El Jadida, Morocco Abdeljebbar Qninba --- Laboratoire de Géo-Biodiversité et Patrimoine Naturel (GEOBIO), Institut Scientifique, Morocco Miguel Clavero --- Departamento de Biología de la Conservación, Estación Biológica de Doñana-CSIC, Spain Eloy Revilla --- Departamento de Biología de la Conservación, Estación Biológica de Doñana-CSIC, SpainUnderstanding the breeding cycle of wildlife is essential to afford conservation strategies. This is especially important for barely studied species and urgent for those at serious risk of extinction. The Andalusian Buttonquail is an endangered endemic of the Western Mediterranean,... -
Mom’s taxi – Maternal care in shovel-nosed frogs Hemisus marmoratus and Hemisus guttatus
Item type: Journal Article • Journal: African Zoology • Authors: K Kyle --- Unit for Environmental Sciences and Management, South Africa LH du Preez --- Unit for Environmental Sciences and Management, South AfricaThis communication details the maternal care of Hemisus marmoratus and Hemisus guttatus. A Hemisus mother stays with the eggs, protecting them during their time in the nest chamber, and ensures their ultimate arrival in a body of water, at varying... -
Rats and prions at Tristan da Cunha Island
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ben J Dilley --- , South Africa Delia Davies --- , South Africa Julian Repetto --- , United Kingdom (South Atlantic Ocean) George Swain --- , United Kingdom (South Atlantic Ocean) Peter G Ryan --- , South AfricaTristan da Cunha is a 96 km2 volcanic island in the South Atlantic Ocean. Black Rats Rattus rattus reached the island from a shipwreck in 1882 and their depredation of seabirds’ eggs and chicks are likely partly responsible for the... -
Monteiro’s Hornbills Tockus monteiri do not exhibit addition indeterminacy
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mark T Stanback --- , United StatesBirds that respond to the addition/removal of eggs by laying fewer/extra eggs are known as indeterminate layers. Species that are insensitive to additions/removals are said to be determinate layers. Hornbills are an interesting group with which to investigate this phenomenon,... -
Age estimates of chokka squid Loligo reynaudii off South Africa and their use to test the effectiveness of a closed season for conserving this resource
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Lipiński --- , South Africa CH Mwanangombe --- , South Africa D Durholtz --- , South Africa D Yemane --- , South Africa J Githaiga-Mwicigi --- , South Africa WHH Sauer --- , South AfricaThis study presents age distributions in an exploited population of spawning chokka squid Loligo reynaudii together with their back-calculated spawning times, and considers the results in relation to the exploitation of this species. Samples were collected during two closed fishing... -
Effects of egg shell meal on the performance and haematology of layers and their egg quality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Uchele Okpanachi --- , Nigeria Khalid Aliyu Yusuf --- , Nigeria Maryann Kehinde Ikubaje --- , Nigeria Gift Cincin Amaje Okpanachi --- , NigeriaIn an attempt to achieve Sustainable Development Goals numbers one and two, eggshell meal was incorporated into layers diets to replace bone meal. Seventy-two point of lay birds were utilized in a nine-week experiment. Four experimental diets were formulated consisting... -
On the possible phenomenological autonomy of virtual realities
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Mathias Kofoed-Ottesen --- , DenmarkIn the following article, I examine Martin Heidegger’s philosophy of dwelling with a view to its importance for the concept of ‘place’. It is my interest to show how a phenomenological concept of place can elucidate the phenomenology of virtual... -
The time-activity budgets of breeding Blue Swallows Hirundo atrocaerulea and the effects of weather on nestling growth
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Steven W Evans --- , South AfricaThe Blue Swallow is an intra-African migrant that breeds in its fragmented range from South Africa to southern Tanzania, from October to March annually. The birds migrate north and are on their non-breeding range in NE DRC, Uganda, NW Tanzania... -
Ethnomedicinal use of pythons by traditional medicine practitioners in Ghana
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Maxwell K Boakye --- Ho Technical University, Ghana Edward D Wiafe --- University of Environment and Sustainable Development, Ghana Meyir Y Ziekah --- Forestry Commission (Wildlife Division), GhanaThe use of Python spp. for traditional medicine purposes has been recorded, but there is a dearth of information on the versatility of body parts used for the treatment of human ailments. This study aimed to determine the medicinal knowledge... -
An assessment of postharvest losses to support innovation in the egg value chain in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Evelyn Philomina Mensah --- , Ghana Richard Kwasi Bannor --- , Ghana Helena Oppong-Kyeremeh --- , Ghana Samuel Kwabena Chaa Kyire --- , GhanaThe study sought to examine the postharvest losses along the egg value chain in the Bono Region of Ghana. Objectively, the study sought to quantify losses incurred by value-chain actors of egg production, determine the factors that influence the losses... -
The introduction of the Chukar Partridge Alectoris chukar to southern Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Carl J Vernon --- , South Africa W Richard J Dean --- , South AfricaChukar Partridges Alectoris chukar were released at a few localities in South Africa and Zimbabwe with the aim of establishing viable populations that could contribute to a larger resource available to the ‘wing-shooting’ fraternity. Releases and introductions are poorly documented,... -
Long‐term variation in reproductive traits of Bibron's agama, agama impalearis, in Western Morocco
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: M. Znari --- Cadi Ayyad University, Morocco E. El Mouden --- Cadi Ayyad University, Morocco H. Francillon‐Vieillot --- Université Denis Diderot Paris 7, Laboratoire d'Anatomie Comparée, FranceFemale reproductive characteristics (clutch size [CS], egg volume [EV] and egg mass [EM]) of Agama impalearis and their annual variation were studied over a six‐year period (1993–1998) in the central Jbilet mountains, Western Morocco. Females produced one to two clutches... -
Predation on the eggs of ground-nesting birds by Dasypeltis scabra (Linnaeus, 1758) in the moist highland grasslands of South Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Michael F. Bates --- , , South Africa Ian T. Little --- , South AfricaWe provide evidence for predation by the Common Egg-eater (Dasypeltis scabra) on the eggs of three species of ground-nesting birds, namely African Pipit (Anthus cinnamomeus), Cape Longclaw (Macronyx capensis) and Common Quail (Coturnix coturnix). Although egg-eaters have been recorded as... -
Fusing the horizons between aspirations of continuing professional development and the realities of educators’ experiences in practice: Interpretative hermeneutic phenomenology in early childhood education
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Sharon Skehill --- Irish National Council for Curriculum and Assessment, IrelandThis article presents an argument for the use of interpretative hermeneutic phenomenology as an insightful and innovative methodology for research in early childhood education. In providing guidance for the use of this methodology, this article will focus on a doctoral... -
New Pleistocene avian ichnosites on South Africa’s Cape south coast
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Charles W Helm --- Nelson Mandela University, South Africa Martin G Lockley --- University of Colorado Denver, United States Andrew S Carr --- University of Leicester, United Kingdom Hayley C Cawthra --- Nelson Mandela University, South Africa Jan C De Vynck --- Nelson Mandela University, South Africa Mark G Dixon --- Nelson Mandela University, South Africa Pieter-Jan Gräbe --- Nelson Mandela University, South Africa Renée Rust --- Nelson Mandela University, South AfricaTwelve new avian ichnosites have been identified on South Africa’s Cape south coast, adding to the 29 sites previously identified. More than half of these 41 avian ichnosites are found along a 9-km stretch of coastline east of Still Bay... -
Life-history strategy and intertidal distribution in sympatric species of pulmonate limpets of the genus Siphonaria
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CD McQuaid --- Rhodes University, South Africa RJ Chambers --- Rhodes University, South AfricaThree species of the intertidal pulmonate limpet genus Siphonaria are sympatric on the south coast of South Africa and all lay gelatinous benthic egg masses. Siphonaria capensis and S. concinna hatch as planktonic larvae, whereas S. serrata has direct-developing larvae... -
The influence of Connochaetes taurinus carcass decomposition on soil nutrient composition in grasslands
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: EA Kullander --- University of South Africa, South Africa MS Deutschländer --- University of South Africa, South Africa VM Ngole-Jeme --- University of South Africa, South Africa HI Melville --- University of South Africa, South AfricaDecomposing carcasses leach nutrients into soils, forming dense, nutrient-rich islands. The effect of liquid influx on ecological dynamics from decomposing blue wildebeest (Connochaetes taurinus) carcasses on soil nutrient content at various stages of decomposition in a grassland ecosystem was investigated... -
8. “Fish, chicken, lean meat and eggs can be eaten daily”: a food-based dietary guideline for South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Schonfeldt HC [cor1] Pretorius B --- Research Consultant Institute for Food, Nutrition and Well-being, University of Pretoria, Hall N --- Research Consultant Institute for Food, Nutrition and Well-being, University of Pretoria,Food products from animals provide a variety of macro- and micronutrients. Animal sources of food, such as fish, chicken, meat and eggs, constitute high-quantity and high-quality protein, as they contain essential amino acids in the right proportions. In South Africa,...