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Community dynamics and phytomass of herbaceous species in the Sudaniansavanna-woodlands of Burkina Faso: short-term impact of burning season
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: SD Dayamba --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden P Savadogo --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden L Sawadogo --- Département Productions Forestières, Burkina Faso D Tiveau --- , République Démocratique du Congo D Zida --- Département Productions Forestières, Burkina Faso M Tigabu --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden PC Oden --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, SwedenFire is important for the maintenance and conservation of African savanna ecosystems, and prescribed fire is used in the Sudanian savanna-woodlands of West Africa as a forest management tool. Yet, the effects of fire on savanna ecosystems and especially on... -
There is no reason to argue about taste
Item type: Journal Article • Journal: • Authors: Peter Klosse --- Academie voor Gastronomie, Hotel Gastronomique De Echoput, Hoog Soeren, NetherlandsNo abstract. -
A first report on the morphology of the postantennal process in Lernanthropus (Lernanthropidae: Copepoda) and its Possible Significance as a Taxonomic Feature
Item type: Journal Article • Journal: South African Journal of Zoology • Authors: P.A.S. Olivier --- Department of Zoology, Republic of South Africa S.M. Dippenaar --- Department of Zoology, Republic of South Africa J.P. van Niekerk --- Department of Zoology, Republic of South AfricaNotes on the postantennal process as a category of cuticular spines of parasitic Copepoda are given. Arguments on the status of the postantennal process as an appendage are briefly compared. It is concluded that these structures are cuticular outgrowths and... -
Cape Vulture Gyps coprotheres breeding status in southern Africa: monitoring results from 2010–2014
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kerri Wolter --- VulPro NPO, South Africa Walter Neser --- VulPro NPO, South Africa Margaret T Hirschauer --- VulPro NPO, South Africa Alvaro Camiña --- ACRENASL Environmental Consultants, SpainMonitoring of eight Cape Vulture Gyps coprotheres breeding colonies in South Africa and Botswana took place between 2010 and 2014 using standardised counting methods. Counts of breeding pairs, nestlings and fledglings were used to calculate breeding success and general population... -
Dynamics and role of the Durban cyclonic eddy in the KwaZulu-Natal Bight ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LA Guastella --- Bayworld Centre for Research and Education, South Africa MJ Roberts --- Ocean Sciences and Marine Food Security, South AfricaThe semi-permanent Durban Eddy is a mesoscale, lee-trapped, cold-core cyclonic circulation that occurs off the east coast of South Africa between Durban in the north and Sezela, some 70 km to the south. When present, strong north-eastward countercurrents reaching 100... -
Promoting the use of home-mixed supplements as alternatives to commercial supplements in smallholder beef production systems in the subhumid region of Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Irenie Chakoma --- International Livestock Research Institute, Zimbabwe Godfrey Manyawu --- International Livestock Research Institute, Zimbabwe Lovemore C Gwiriri --- International Livestock Research Institute, Zimbabwe Siboniso Moyo --- International Livestock Research Institute, Ethiopia Sikhalazo Dube --- International Livestock Research Institute, Zimbabwe Venancio E Imbayarwo-Chikosi --- Department of Animal Science, Zimbabwe Tinyiko E Halimani --- Department of Animal Science, Zimbabwe Charles Chakoma --- , Zimbabwe Barbara V Maasdorp --- Department of Crop Science, Zimbabwe Victor Buwu --- Department of Animal Science, ZimbabweThe economic and performance effect of supplementing smallholder cattle by substituting commercial feed with iso-nitrogenous and iso-energetic diets based on alternative protein sources was investigated in two trials. In trial 1, three diets (commercial concentrate, commercial concentrate partially substituted with... -
An analytical-numerical approach in the calculation of photovoltaic module parameters operating under partial shaded conditions
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdouramani Dadjé --- Department of Renewable Energy, National Advanced School of Engineering of Maroua, Cameroon Noël Djongyang --- Department of Renewable Energy, National Advanced School of Engineering of Maroua, Cameroon Réné Tchinda --- LISIE, Fotso Victor University Institute of Technology, CameroonThe aim of this work is to determine the parameters and characteristics of a PV module in case of partial shading conditions. Both numerical and analytical methods are used in order to attain this objective. The iterative method namely Newton-Raphson... -
A new sentiment index for the Islamic stock market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Muhammad Asif Khan --- Faculty of Business and Accountancy, Malaysia Rubi Ahmad --- Faculty of Business and Accountancy, Malaysia Anna Azmi --- Faculty of Business and Accountancy, Malaysia Muhammad Akbar --- Birmingham City Business School, UKThis study attempts to examine the predictability of Google search volume (GSV) and to construct an appropriate investor sentiment index for Islamic stock markets for seven United States (US) Islamic stock indices. Using principal component analysis, we construct an appropriate... -
The Job Demands Scale for Hearing-Impaired Employees: Development and preliminary analysis of internal validity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Strauss Chelius --- , South Africa Marissa Brouwers --- , South Africa Bouwer J Jonker --- , South AfricaFew work participation scales have been normed on employees with hearing impairment. This creates an employment disparity against them. We developed a 57 item Job Demands for Hearing Impaired Employees (JDHIE) scale, providing preliminarily internal validity evidence. Respondents were 85... -
A taxonomic revision of Arnot’s Chat Myrmecocichla arnotti (family Muscicapidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Robert J Dowsett --- , France Sylke Frahnert --- Leibniz Institute for Evolution and Biodiversity Science, Germany Françoise Dowsett-Lemaire --- , FranceArnot’s Chat Myrmecocichla arnotti in the family Muscicapidae is largely confined to the woodlands of the Zambezian biome of south-central Africa. This work assesses its taxonomic status, including comments on the so-called Ruaha Chat M. [a.] collaris (also named M...