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CLEANING BEHAVIOUR BETWEEN THE CICHLID FISH TILAPIA RENDALLI FENDALLI BOULENGER 1896 AND THE CYPRINID, LABEO CYLINDRICUS PETERS, 1852
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.L. Minshull --- , ZimbabweA case of interspecific cleaning behaviour is described between a cichlid host Tilapia rendalli rendalli and a Juvenile cyprinid Labeo cylindricus, in captivity. The host fish initiated the cleaning behaviour with a ‘head down’ display. -
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... -
On the virgin cleansing myth: gendered bodies, AIDS and ethnomedicine
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Suzanne Leclerc-Madlala --- , South AfricaThe belief that HIV/AIDS can be cured as a result of having sex with a virgin has been identified as a possible factor in the rape of babies and children in South Africa. While the prevalence of this myth has... -
Intra-regional translocations of epifaunal and infaunal species associated with cultured Pacific oysters Crassostrea gigas
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TM Haupt --- Centre for Invasion Biology and Marine Biology Research Centre, South Africa CL Griffiths --- Centre for Invasion Biology and Marine Biology Research Centre, South Africa TB Robinson --- Centre for Invasion Biology and Marine Biology Research Centre, South AfricaFarmed oysters host a diverse community of epifaunal and infaunal fouling taxa, including alien species, and these are easily translocated in the course of commercial oyster trade. We document the diversity and densities of fouling taxa associated with farmed oysters... -
‘Racism and ethnicity’: Reflections on the debatable permanence of terminology
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: R. D. Coertze --- School of Law, University of South Africa,The concepts of biological and social race currently have debatable value. The first has lost much of its former validity through the increase in our knowledge of the genetic characteristics of humankind. This new knowledge does not support the older... -
Reef fishes recruited at midwater coral nurseries consume biofouling and reduce cleaning time in Seychelles, Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Frias-Torres --- Nature Seychelles, Republic of Seychelles H Goehlich --- Nature Seychelles, Republic of Seychelles C Reveret --- Nature Seychelles, Republic of Seychelles PH Montoya-Maya --- Nature Seychelles, Republic of SeychellesIn coral reef restoration, coral gardening involves rearing coral fragments in underwater nurseries prior to transplantation. These nurseries become fish-aggregating devices and attract biofouling. We hypothesised that: (1) the presence of corals at a nursery is critical to recruit fish... -
The economics of the carbon sequestration potential of plantation forestry in south-western Uganda
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Isaac Kiyingi --- National Forestry Resources Research Institute, Uganda Abdi-Khalil Edriss --- Department of Agricultural and Applied Economics, Faculty of Development Studies, Malawi Alexander MR Phiri --- Department of Agricultural and Applied Economics, Faculty of Development Studies, Malawi Buyinza Mukadasi --- School of Postgraduate Studies, Uganda Susan Tumwebaze --- School of Forestry, Environment and Geographical Sciences, Uganda Hillary Agaba --- National Forestry Resources Research Institute, UgandaThis study assessed the amount of carbon stored and the economic viability of the small-scale Clean Development Mechanism (CDM) carbon offsets in Pinus caribaea and Eucalyptus grandis plantations under varying rotations. Volume equations were used to estimate carbon stocks and... -
Climate change and intellectual property rights in Africa: Environmental necessity-economic opportunity
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Maruf Sanni --- National Centre for Technology Management, Federal Ministry of Science and Technology, Nigeria Caleb M. Adelowo --- National Centre for Technology Management, Federal Ministry of Science and Technology, Nigeria David A. Ogunkanbi --- National Centre for Technology Management, Federal Ministry of Science and Technology, Nigeria Adesina A. Oyewale --- National Centre for Technology Management, Federal Ministry of Science and Technology, Nigeria Abolaji D. Dada --- Department of Entrepreneurship Management Technology, Nigeria Bamidele R. Muritala --- National Centre for Technology Management, Federal Ministry of Science and Technology, NigeriaPromoting the development of clean technologies is critical in achieving a low-carbon economy in Africa. The objective of this paper is to shed more light on the role of IPRs in the efforts to mitigate climate change in Africa. This... -
Intraspecific cleaning by juvenile Cape white seabream Diplodus capensis (Sparidae) off eastern South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PC Sikkel --- Department of Biological Sciences and Environmental Sciences Program, USA NJ Smit --- Water Research Group, Unit for Environmental Sciences and Management, South AfricaJuveniles of the Cape white seabream Diplodus capensis were observed cleaning adult conspecifics in a large tidepool off Sodwana Bay, South Africa. Although nine other tropical fish species were present and interacted with a nearby pair of Labroides cleaner wrasses,... -
Clean energy transition in a developing society: Perspectives on the socioeconomic determinants of Solar Home Systems adoption among urban households in southeastern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edlyne Eze Anugwom --- , Nigeria Kenechukwu Nwakego Anugwom --- , Nigeria Oliver Ifeanyi Eya --- , NigeriaThis study identifies factors that constrain the adoption of clean energy sources by urban households in southeastern Nigeria, using the Solar Home Systems (SHS) as a case study. It is premised on the assumption that adoption of innovation is affected... -
Clean versus dirty energy: Empirical evidence from fuel adoption and usage by households in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alhassan Abdulwakeel Karakara --- , Ghana Evans S. Osabuohien --- , NigeriaThere are few studies on the determinants of energy consumption of households in Africa, particularly in Ghana. Thus, this study identifies the drivers of households’ fuel consumption for domestic purposes and examines two fuel categories (‘clean’ fuels versus ‘dirty’ fuels)... -
Customer behaviour in restaurants before and during COVID-19: A study in Vietnam
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Thao Hoang --- , The Netherlands Javed Suleri --- , The NetherlandsThe foodservice industry is one of the fastest-growing industries in the world and it contributes to the development of the Vietnamese economy. However, with the appearance of COVID-19, this industry has been affected. The purpose of this study is twofold,... -
Widowhood in the era of HIV/AIDS: A case study of Slaya District, Kenya
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Constance Ambasa-Shisanya --- Family Health International,Luo women are believed to acquire contagious cultural impurity after the death of their husbands that is perceived as dangerous to other people. To neutralise this impure state, a sexual cleansing rite is observed. In the indigenous setting, the ritual... -
Almost clean elements in C(X)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: R. Mohamadian --- Shahid Chamran University of Ahvaz, IranAn element a in a ring R is called almost clean if a can be written as a = r + e, where r is a regular (non zero-divisor) element and e is an idempotent. It is well known that... -
Rings whose indecomposable modules are pure-projective or pure-injective
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: François Couchot --- Normandie Univ, FranceLet be the class of rings for which every indecomposable right module is pure-projective or pure-injective. When R is a Noetherian local commutative ring of maximal ideal P, it is proven that R ∈ if and only if R is... -
Solar energy, the silver bullet to tackle perennial energy access challenges in Nigeria rural households: A case study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kesiena Owebor --- Delta State University, Nigeria Kesiena Ezewu --- Delta State University, Nigeria Justus Iroro Oboh --- Delta State University, Nigeria Jude Ebieladoh Sinebe --- Delta State University, Nigeria Ogheneakpobo Jonathan Eyenubo --- Delta State University, Nigeria Smith Orode Otuagoma --- Delta State University, Nigeria Esiri Monday Amagre --- Delta State University, NigeriaPoor access to clean energy impacts the livelihood of the Nigeria rural population. This study investigated the use of solar energy in tackling the recurrent energy access challenges in Isoko South, Nigeria. Both qualitative and quantitative methods were applied to... -
Spillovers, correlations and hedging among green bonds, clean energy stocks and fossil fuels: The effects of four turmoils
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Foday Joof --- Eastern Mediterranean University, Turkey Cahit Adaoglu --- Eastern Mediterranean University, Turkey Nigar Taspinar --- Eastern Mediterranean University, TurkeyThis study investigates the volatility spillovers and the hedging among green bonds, clean energy stocks, and fossil fuels markets. During the ten-year sample period between 2012 and 2022, four major turmoils are observed chronologically: The oil price plunge of 2014–2016,... -
9. “Drink lots of clean, safe water”: a food-based dietary guideline for South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Van Graan AE [cor1] Bopape M --- Department of Human Nutrition, University of Limpopo (Turfloop Campus), Phooko D --- Department of Human Nutrition, University of Limpopo (Turfloop Campus), Bourne L --- Environment and Health Research Unit, Medical Research Council, Wright HH --- Centre of Excellence for Nutrition, North-West University,The purpose of this review is to summarise the literature that supports the importance of the food-based dietary guideline on water consumption. General recommendations for total daily water intake are between 2 and 3.7 l for women and men, 0.7...
