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A review of orange roughy Hoplostethus atlanticus fisheries, estimation methods, biology and stock structure
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: T. A. BranchOrange roughy Hoplostethus atlanticus are unusual fish. They form dense aggregations that have fuelled lucrative fisheries at great depths (600–1 400 m), especially off Namibia, New Zealand and Australia. They are thought to be very long-lived (>100 years, maturity at... -
Aspects of the population biology of Octopus vulgaris in False Bay, South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: C. D. Smith C. L. GriffithsThe population biology of the octopus Octopus vulgaris was studied from specimens collected by SCUBA in False Bay, South Africa, between 1997 and 1998. In all, 83% of the specimens collected were found in shelter. Small octopuses were more active... -
REDESCRIPTIONS OF PLACOBDELLA STUHLMANNI (BLANCHARD, 1897) AND PLACOBDELLA GAROUI (HARDING, 1932) (HIRUDINEA: GLOSSIPHONIIDAE)
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.H. Oosthuizen --- Department of Zoology, South AfricaThe two African leeches Placobdella stuhlmanni (Blanchard, 1897) and Placobdella garoui (Harding, 1932) are redescribed and figured because of the confusion that exists in the literature with regard to the specific identities of the two taxa. During a survey of... -
MODELS OF ECOSYSTEMS AND AQUATIC ENVIRONMENTS: DEVELOPMENT AND APPLICATION
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.R. Allanson --- , South AfricaAn historical treatment of a number of principal events is given. This leads to an assessment of the current research approach in hydrobiology and its success in the development of process orientated ecosystem component models. With the contemporaneous development of... -
TWENTY-FIVE YEARS OF TRICHOPTERA RESEARCH RELATING TO SOUTHERN AFRICA - A PERSONAL VIEW
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: K. M.F. Scott --- , South AfricaA brief account of earlier work on Trichoptera, reasons for choice of the Order, and resources built up, is followed by the story of twenty-five years of research, from 1963–1988. This includes aims in view, followed by the ‘state of... -
MODELS OF ECOSYSTEMS AND AQUATIC ENVIRONMENTS: DEVELOPMENT AND APPLICATION
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: B.R. Allanson --- , South AfricaAn historical treatment of a number of principal events is given. This leads to an assessment of the current research approach in hydrobiology and its success in the development of process orientated ecosystem component models. With the contemporaneous development of... -
Aspects of the reproductive biology of monkfish Lophius vomerinus off Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Maartens AJ BoothAspects of the reproductive biology of monkfish Lophius vomerinus are described from material collected during hake Merluccius spp. biomass surveys and from commercial monkfish and sole Austroglossus microlepis vessels between January 1996 and June 2000 off Namibia at depths between... -
Reproductive biology of spiny lobster Panulirus regius from the north-western Cape Verde Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Freitas A Medina S Correia M CastroGreen (spiny) lobsters Panulirus regius were obtained by diving at Cape Verde, West Africa, during three sampling periods: May–November 2001, April–December 2002 and April–June 2003. Totals of 429 male lobsters and 423 females (852 in all) were caught. Half the... -
Reproductive biology of Corymbia citriodora subsp. variegata and effective pollination across its native range in Queensland, Australia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: CFE Bacles J Brooks DJ Lee PM Schenk AJ Lowe A KremerThe spotted gum species complex represents a group of four eucalypt hardwood taxa that have a native range that spans the east coast of Australia, with a morphological cline from Victoria to northern Queensland. Of this group, Corymbia citriodora subsp... -
Breeding biology of the White-headed Vulture Trigonoceps occipitalis in Kruger National Park, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Campbell Murn --- Hawk Conservancy Trust, UK Graham J Holloway --- School of Biological Sciences, UKInformation on the breeding biology of the White-headed Vulture Trigonoceps occipitalis is limited and published data are few. Within the Kruger National Park in north-east South Africa there is a regionally important population of about 60 White-headed Vulture pairs, of... -
Breeding biology and reproductive success of the Spectacled Tetraka Xanthomixis zosterops (Bernieridae) in a rainforest of Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Eric M Temba --- Department of Animal Biology, Faculty of Science, Madagascar Mar Cabeza --- Department of Biosciences, Finland Aristide Andrianarimisa --- Department of Animal Biology, Faculty of Science, MadagascarThe Spectacled Tetraka Xanthomixis zosterops is a sexually monomorphic species in a family (Bernieridae) endemic to Madagascar and is found in various humid forest types. It is categorised as Least Concern by the IUCN. Despite its commonness, the biology of... -
Nest and nestling data for Barlow‘s lark, Calendulauda barlowi
Item type: Journal Article • Journal: African Zoology • Authors: Derek Engelbrecht --- School of Molecular and Life Sciences, University of Limpopo, South Africa Johann Lonzer --- Port Nolloth Museum, South AfricaBarlow’s lark is one of southern Africa’s least known lark species. This study is the first to report on the structure and dimensions of this species’ nest and aspects of the nestling period. The ontogenetic development of the nestling is... -
Life history strategy and population characteristics of an unexploited riverine cyprinid, Labeo capensis, in the largest impoundment in the Orange River Basin
Item type: Journal Article • Journal: African Zoology • Authors: Henning Winker --- Department of Ichthyology and Fisheries Science, South Africa Olaf L.F. Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa Anthony J. Booth --- Department of Ichthyology and Fisheries Science, South Africa Bruce R. Ellender --- Department of Ichthyology and Fisheries Science, South AfricaThe life history of an endemic riverine African cyprinid, Labeo capensis, that dominates the larger ichthyofauna in a large impoundment in the Orange River Basin four decades after damming, was investigated. Both sexes grew at a similar rate until the... -
First record of an introduction of the giant pangasius, Pangasius sanitwongsei Smith 1931, into an African river
Item type: Journal Article • Journal: African Zoology • Authors: Tuuli Mäkinen --- South African Institute for Aquatic Biodiversity, South Africa Olaf L. F. Weyl --- South African Institute for Aquatic Biodiversity, South Africa Kerry-Ann van der Walt --- South African Institute for Aquatic Biodiversity, South Africa Ernst R. Swartz --- South African Institute for Aquatic Biodiversity, South AfricaA catfish captured in the Breede River (33°56 41.6”S 20°4’45.6”E) in South Africa was identified using morphological and genetic techniques as the giant pangasius, Pangasius sanitwongsei Smith 1931, a new record for South Africa. The wild-caught specimen was a genetic... -
Interference competition between sunbirds and carpenter bees for the nectar of Hypoestes aristata
Item type: Journal Article • Journal: African Zoology • Authors: Robert Tropek --- Institute of Entomology, Biology Centre, Czech Academy of Sciences, Czech Republic Michael Bartoš --- University of South Bohemia, Czech Republic Eliška Padyšáková --- University of South Bohemia, Czech Republic Štěpán Janeček --- Academy of Sciences of the Czech Republic, Czech RepublicInterference competition for nectar sources has been repeatedly described between hummingbirds and various insects, but rarely recorded in other nectari-vorous birds. We observed aggressive behaviour by African sunbirds (Cinnyris reichenowi and Cinnyris bouvieri) defending the nectar plant Hypoestes aristata against... -
Population increase and nest-site selection of Cattle Egrets Bubulcus ibis at a new colony in drylands of north-east Algeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Majda Sbiki --- Department of Natural and Life Sciences, Algeria Haroun Chenchouni --- Department of Natural and Life Sciences, Algeria Abdelkrim Si Bachir --- Department of Natural and Life Sciences, AlgeriaColony occupation by Cattle Egrets Bubulcus ibis at an arid location in north-east Algeria lasted from mid-March or April to August. The colony, which was founded in 2003, increased from 124 pairs in 2007 to 250 pairs in 2011 and... -
Spatial characterisation of the Benguela ecosystem for ecosystem-based management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa L Blamey --- Marine Research Institute, South Africa T Lamont --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa JG Field --- Marine Research Institute, South Africa G Bianchi --- Food and Agriculture Organization, Italy JA Huggett --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa L Hutchings --- Marine Research Institute, South Africa J Jackson-Veitch --- Marine Research Institute, South Africa A Jarre --- Marine Research Institute, South Africa C Lett --- Institut de Recherche pour le Développement [IRD], UMR MARBEC 248, France MR Lipiński --- Department of Ichthyology and Fisheries Science, South Africa SW Mafwila --- Department of Fisheries and Aquatic Sciences, Namibia MC Pfaff --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa T Samaai --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa LJ Shannon --- Marine Research Institute, South Africa Y-J Shin --- Marine Research Institute, South Africa CD van der Lingen --- Marine Research Institute, South Africa D Yemane --- Marine Research Institute, South AfricaThe three countries of the Benguela Current Large Marine Ecosystem (BCLME), namely Angola, Namibia and South Africa, have committed to implementing ecosystem-based management (EBM) including an ecosystem approach to fisheries (EAF) in the region, to put in practice the principles... -
Back to the future: reflections and directions of South African marine bioinvasion research
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ME Alexander --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa CA Simon --- Department of Botany and Zoology, South Africa CL Griffiths --- Centre for Invasion Biology, Department of Biological Sciences, South Africa K Peters --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa S Sibanda --- Marine Programme, South Africa S Miza --- Marine Programme, South Africa B Groenewald --- Marine Programme, South Africa P Majiedt --- Marine Programme, South Africa KJ Sink --- Marine Programme, South Africa TB Robinson --- Centre for Invasion Biology, Department of Botany and Zoology, South AfricaBiological invasions continue to increase around the world, with impacts on many coastal marine systems. Here we review the South African marine invasion literature which, despite the field being relatively new, has grown to have significant presence in both the... -
Reproductive traits of the freshwater oyster Etheria elliptica (Bivalvia: Etheriidae) in the Pendjari River, Benin: implications for conservation
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GD Akélé --- Laboratoire d’Hydrobiologie et d’Aquaculture, Faculté des Sciences Agronomiques, Bénin E Montchowui --- Laboratoire d’Hydrobiologie et d’Aquaculture, Faculté des Sciences Agronomiques, Bénin PA Lalèyè --- Laboratoire d’Hydrobiologie et d’Aquaculture, Faculté des Sciences Agronomiques, BéninThe African freshwater oyster Etheria elliptica, which is of great economic importance throughout the continent, is facing overharvesting in many fisheries in West Africa. Its reproductive traits (sex ratio, size at sexual maturity, oocyte diameter and fecundity) were studied at... -
No evidence for avoidance of black rat scent by the presumably less competitive Natal multimammate mouse in a choice experiment
Item type: Journal Article • Journal: African Zoology • Authors: Laura N Cuypers --- Evolutionary Ecology Group, Belgium Wim L Cuypers --- Evolutionary Ecology Group, Belgium Amélie Gildemyn-Blomme --- Evolutionary Ecology Group, Belgium Laura Abraham --- Evolutionary Ecology Group, Belgium Senne Aertbeliën --- Evolutionary Ecology Group, Belgium Apia W Massawe --- Pest Management Centre, Tanzania Benny Borremans --- Evolutionary Ecology Group, Belgium Sophie Gryseels --- Evolutionary Ecology Group, Belgium Herwig Leirs --- Evolutionary Ecology Group, BelgiumIn Africa, indigenous multimammate mice (Mastomys natalensis) only appear to live commensally in houses when invasive black rats (Rattus rattus) are absent, yet little is known about the underlying mechanism. Avoidance through smell may cause the absence of M. natalensis... -
Nest-site characteristics and aspects of the breeding biology of the endangered Timneh Parrot Psittacus timneh in Guinea-Bissau
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Daniel C Lopes --- Faculty of Sciences, Portugal Rowan O Martin --- World Parrot Trust, UK Mohamed Henriques --- MARE – Marine and Environmental Sciences Centre, Portugal Hamilton Monteiro --- Coastal Planning Office, Guinea-Bissau Aissa Regalla --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Quintino Tchantchalam --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Bucar Indjai --- INEP – National Institute for Study and Research, Guinea-Bissau Seco Cardoso --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Celestino Manuel --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Manjaco Cunha --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Domingos Cunha --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Paulo Catry --- MARE – Marine and Environmental Sciences Centre, PortugalTimneh Parrots Psittacus timneh are endemic to the moist forests of West Africa. Concerns over rapid declines in populations due to overharvesting for the pet trade and forest loss prompted the species’ categorisation as Endangered on the IUCN Red List... -
Nesting biology and food habits of the endangered Sakalava Rail Amaurornis olivieri in the Mandrozo Protected Area, western Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Yverlin Z Pruvot --- The Peregrine Fund Madagascar Project, Madagascar Lily-Arison René de Roland --- The Peregrine Fund Madagascar Project, Madagascar Gilbert Razafimanjato --- The Peregrine Fund Madagascar Project, Madagascar Marius PH Rakotondratsima --- The Peregrine Fund Madagascar Project, Madagascar Aristide Andrianarimisa --- Department of Zoology and Biodiversity, Faculty of Science, Madagascar Russell Thorstrom --- The Peregrine Fund, USAWe studied the nesting biology and food habits of the endangered and endemic Sakalava Rail Amaurornis olivieri from July to November 2015 in the Mandrozo Protected Area, western Madagascar. Three nesting pairs were observed and their nests were constructed in... -
Implications of geographical range changes and resultant sympatry for three Accipiter hawks on the Cape Peninsula, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Robin M Little --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Rene A Navarro --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaSome invasive species are known to compete with and even displace indigenous species. Two Accipiter species historically indigenous to eastern South Africa have colonised the Cape Peninsula in the south-west of the country and have become sympatric with a third... -
Population structure and growth of the beaked clam Eumarcia paupercula (Bivalvia, Veneridae) in Maputo Bay, Mozambique
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ED Mugabe --- Centre of Coastal Studies and School of Marine and Coastal Sciences, Mozambique CA Amoda --- Centre of Coastal Studies and School of Marine and Coastal Sciences, Mozambique CL Griffiths --- Marine Research Institute and Department of Biological Sciences, South AfricaThe edible beaked clam Eumarcia paupercula (Holten, 1802) is an abundant component of the intertidal infauna in Maputo Bay, Mozambique, and is an important source of food and income for local communities. This study investigates the population structure and estimates... -
Habitat structure differentially mitigates predation impact of juvenile largemouth bass and Florida bass
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Dumisani Khosa --- , South Africa Josie South --- , South Africa Ryan J Wasserman --- , South Africa Olaf LF Weyl --- , South AfricaHabitat complexity plays an important role in structuring species diversity, behaviour and distribution. Furthermore, habitat complexity can mediate the strength of predator-prey interactions through the provision of prey refugia or through enhancing ambush predation. In this study, we use functional... -
A review of the populations of tilapiine species in lakes Victoria and Naivasha, East Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Edwine Yongo --- , Kenya Laurent Cishahayo --- , Peoples Republic of China Eunice Mutethya --- , Kenya Bonface Mnang’at Alkamoi --- , Kenya Kokwon Costa --- , Kenya Nzeyimana Jean Bosco --- , Peoples Republic of ChinaThis paper discusses the catch trends, population attributes and biological characteristics of tilapiine species that are both native and that have been introduced into Lake Victoria and Lake Naivasha. Predation by Lates niloticus, species hybridisation, overfishing, pollution and eutrophication have... -
A review of marine invertebrates used as fishing baits and the implications for national and regional management in the Western Indian Ocean
Item type: Journal Article • Journal: African Zoology • Authors: Carol A Simon --- , South Africa Agnes WN Muthumbi --- , Kenya Charles M Kihia --- , Kenya Kyle MS Smith --- , South Africa Riaan B Cedras --- , South Africa Paubert T Mahatante --- , Madagascar Virginia W Wangondu --- , Kenya Robert Katikiro --- , TanzaniaIn the Western Indian Ocean (WIO), more than 76 records from peer-reviewed and grey literature identified approximately 60 invertebrate taxa harvested for bait and food. The most diverse phyla were Mollusca, followed by Arthropoda and Annelida, with few records of... -
New records and a notable observation of potentially predator-avoiding amplectic behaviour in Boophis erythrodactylus from Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Robin Kurian Abraham --- Biodiversity Institute and Department of Ecology and Evolutionary Biology, University of Kansas, United States Carl Richard Hutter --- Biodiversity Institute and Department of Ecology and Evolutionary Biology, University of Kansas, United StatesThe Red-fingered Bright-eyed Frog Boophis erythrodactylus is an endemic, range-restricted arboreal frog found only in the eastern rainforests of Madagascar. We report new localities for this species, along with locality records for its sister species B. tasymena, including localities where... -
A new gregarious species of Trachylepis (Reptilia: Sauria: Scincidae) from Lolui Island, Lake Victoria, Uganda, with a key to Ugandan Trachylepis
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Rungwe Kingdon --- Gallery Pangolin, UK Stephen Spawls --- , UKA new, distinctive gregarious species of Trachylepis is described from five specimens from Lolui Island, in Lake Victoria, Uganda, East Africa. Living in large groups on rock outcrops, it is distinguished from its congeners by differences in colour pattern and... -
The first description of the nest and egg of the Long-billed Forest-warbler Artisornis moreaui with additional notes on the breeding of the Red-capped Forest-warbler A. metopias
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jasson John --- University of Dar es Salaam, Tanzania Edigar Apolinary --- , Tanzania Emmanuel Mgimwa --- , TanzaniaWe present the first description of the nest and egg of the Long-billed Forest-warbler Artisornis moreaui recently discovered in Nilo Nature Forest Reserve, Tanzania. Two subspecies are recognised: the nominate one, endemic to East Usambara Mountains in northeastern Tanzania, and... -
A review of the reported and future potential ecological impacts of the invasive freshwater snail Tarebia granifera in South Africa.
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JJ Pearson --- North-West University, South Africa R Gerber --- North-West University, South Africa W Malherbe --- North-West University, South Africa NJ Smit --- North-West University, South Africa L de Necker --- North-West University, South AfricaThe Southeast Asian gastropod Tarebia granifera is an invasive freshwater snail across several continents. Our review summarises the impacts of this invasive snail on invaded aquatic ecosystems. The most important impacts are those related to their ability to reproduce quickly... -
Filling the gaps: herpetological checklist of Mayombe National Park and Cabinda Province (Angola) shed light on one of the most unexplored corners of tropical Central Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Javier Lobón-Rovira --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Asociado, Universidade do Porto, Portugal Ninda L Baptista --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Asociado, Universidade do Porto, Portugal Tyron Clark --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Luke Verburgt --- University of Pretoria, South Africa Gregory FM Jongsma --- New Brunswick Museum, Canada Werner Conradie --- Port Elizabeth Museum, South Africa Luis Veríssimo --- Fundação Kissama, Angola Pedro Vaz Pinto --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Asociado, Universidade do Porto, PortugalThe global environmental crisis has reinforced the importance of improving the documentation of the geographical distributions of extant species. With this aim, species inventories of specific locations or regions are a high priority, especially so in poorly explored areas. Cabinda...