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An Evaluation of the Use of “Gentan” Probabilities in Forestry Planning
Item type: Journal Article • Journal: South African Forestry Journal • Authors: JohnH. Randall --- Department of Biometry, South Africa Klaus von Gadow --- Department of Forest Science, South AfricaAn evaluation of Suzuki's concept of Gentan probabilities is presented. Model fitting is discussed in some detail. It is shown that the Gentan method is suitable only for forests that are at least close to normality. -
LETTERKUNDIGE VERTAALPROBLEME DUITS/AFRIKAANS
Item type: Journal Article • Journal: South African Journal of Linguistics • Authors: Klaus von Delft --- Departemant Duits, Republiek van Suid-AfrikaDie artikel ondersoek die Afrikaanse vertalings van twee Thomas Mann novelles, “Tonio Kröger” (1903) en “Der Tod in Venedig” (1912). Dit die ontleding blyk dit dat die spesifteke vertaalprobleme, en dan inderdaad wanvertalings, aan beide taal- én literatuurkundige faktore te... -
Post-wildfire regeneration of rangeland productivity and functionality – observations across three semi-arid vegetation types in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Johannes AD Breedt --- School of Biological Sciences, South Africa Niels Dreber --- School of Biological Sciences, South Africa Klaus Kellner --- School of Biological Sciences, South AfricaWildfires can have significant impacts on rangeland productivity and functionality causing substantial economic losses to affected farmers. In August 2011, such wildfires swept through the North West province of South Africa, destroying large areas of grazing and farm infrastructure. There... -
A THEORY OF RELATIVE EXTENSIONS FOR SUBALGEBRAS AND SUBMODULES
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Klaus Werner Wiegmann --- , Federal Republic of GermanyWe consider two pairs (A,B) and (G,F) where A ⊂ B is a subalgebra over a commutative ring K with unit, F is a B-module and G ⊂ F is a sub-A-module. A relative extension of (A,B) by (G,F) is... -
WEAK CONTINUITY OF MULTILINEAR MAPPINGS ON TSIRELSON'S SPACE
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Raymundo Alencar --- , Brasil Klaus Floret --- , GermanyContinuing our investigation in [AF] about the sequential weak-to-norm continuity of multilinear mappings and polynomials between Banach spaces, some results about the Tsirelson space T, its dual T 1 and the James space (T 1) J modelled over T 1... -
Locally convex cones and the Schröder-Simpson theorem
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Klaus Keimel --- Fachbereich Mathematik, GermanyThis paper paper has two goals: Firstly, to present the conceptual proof of the Schröder-Simpson theorem. The Schröder-Simpson theorem is stated in terms of domain theory and uses directed complete partially ordered cones and Scott-continuous maps. These structures are used... -
ECÓLOGY AND BEHAVIOUR OF AFRICAN AND AUSTRALIAN GRASS FINCHES—A COMPARISON
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Klaus Immehnann --- , Germany -
ENVIRONMENTAL FACTORS CONTROLLING REPRODUCTION IN AFRICAN AND AUSTRALIAN BIRDS—A COMPARISON
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Klaus Immelmann --- , Germany -
BOOK REVIEWS
Item type: Journal Article • Journal: South African Forestry Journal • Authors: E.R. Falkenhagen --- , Klaus von Gadow A. van Laar -
9. Developing Silvicultural Expert Consulting Systems for Commercial Timber Plantations
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Klaus von Gadow --- Department of Forest Science,New software development tools are available which facilitate the production of expert consulting systems. Most noteworthy among these tools are declarative language compilers (e.g. PROLOG) and expert system shells with mathematical functions (e.g. EXSYS). Mobile expert consulting systems can help... -
Dynamic base-age invariant site index models for Tectona grandis in peninsular India
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vindhya P Tewari --- Institute of Wood Science and Technology, India Juan G Álvarez-González --- Unidad de Gestión Forestal Sostenible, Departamento de Ingeniería Agroforestal, Spain Klaus von Gadow --- Burckhardt Institute, GermanyData from 27 remeasured sample plots were used to evaluate dynamic base-age invariant site index models for teak (Tectona grandis) forests in Karnataka, India. The data were obtained in observational field studies covering a wide range of sites in Karnataka... -
Integrating approaches to monitor, map and address land degradation and desertification
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Klaus Kellner --- School of Environmental Sciences and Development, South Africa -
The Luangwa Valley, Zambia: flyway and stopover site for White Storks Ciconia ciconia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Birgit Gerkmann Michael Kaatz Klaus Riede Renate van den ElzenAnalyses of satellite telemetry data of White Storks Ciconia ciconia from the eastern populations at their stopover sites and staging areas document the importance of the Luangwa Valley, eastern Zambia, as a migration corridor bridging eastern and southern Africa. Twice... -
Urban language research in South Africa: achievements and challenges
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Klaus Beyer --- Institut für Afrikanistik, GermanyCurrently an anti-essentialist view on languages and speech communities is gaining ground in linguistics world-wide. This new paradigm also fuels research on hybrid urban speech in Africa and even more so in the global North. In the wake of these... -
Potential density and tree survival: an analysis based on South African spacing studies
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Klaus von Gadow --- Department of Forest and Wood Science, South Africa Heyns Kotze --- Mondi, South Africa Thomas Seifert --- Department of Forest and Wood Science, South Africa Kai Staupendahl --- Argus Forstplanung, Germany Juan G Álvarez González --- University of Santiago de Compostela, SpainBecause of the high cost of maintaining a series of unthinned, densely stocked stands over long periods of time, suitable data about potential forest density and tree survival for different planting espacements are difficult to find. Direct assessment of the... -
South Africa has joined a global initiative for Family Medicine advocacy
Item type: Journal Article • Journal: South African Family Practice • Authors: Klaus von Pressentin --- Division of Family Medicine and Primary Care, South Africa Kyle Hoedebecke --- World Organization of Family Doctors (WONCA) Polaris, United States of America Luís Pinho-Costa --- Fânzeres Family Health Unit, PortugalThe international #1WordforFamilyMedicine initiative serves to explore the identity of family physicians and allows the international Family Medicine community to collaborate on advocating the discipline. South African family physicians provided 42 responses via a social media and online survey. Two... -
The effect of extrusion processing on the glycaemic index of dry bean products
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Welma Oosthuizen --- School of Physiology, Christine Venter --- School of Physiology, Theo Nell --- School of Physiology, Celia Matthew --- School of Physiology, Jacky Gouws --- School of Physiology, Johann Jerling --- School of Physiology, Klauss Englyst --- Englyst Carbohydrates – Research & Services Ltd, UK -
Reasoning matters: Transrational traits of healing in competing medical epistemes in Botswana
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Klaus Geiselhart --- Institute of Geography, FAU Friedrich-Alexander-University Erlangen-Nürnberg, GermanyThe WHO suggests integrating traditional health practices into national public health systems. However, cooperation between both systems of healing seldom works. Traditional healing practices often attract accusations of irrationality and mysticism. From a scientific point of view, inferences based on... -
Effects of density and structure on production in the communal forests of the Mexican Sierra Madre Occidental
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: José J Corral-Rivas --- Instituto de Silvicultura e Industria de la Madera, Universidad Juárez del Estado de Durango, Mexico María Socorro González-Elizondo --- Instituto Politécnico Nacional, Mexico José E Lujan-Soto --- Instituto Tecnológico de El Salto, Mexico Klaus von Gadow --- Burkhardt Institute, Göttingen University, GermanyThe Sierra Madre Occidental in the Mexican State of Durango, is home to about 5 million ha of species-rich forest ecosystems. Local communities depend on these forests for their livelihood. The preservation of the species richness and productivity of this... -
Addressing moral decadence: Towards an effective compliance and ethics program
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Saulos Klaus Chilima --- Office of the Vice President, Malawi Bruce LamontIn the last two-and-a-half decades, the political landscape in Malawi has undergone a remarkable metamorphosis which has been characterized by institutional and legislative instruments that tilt towards enhancing democracy and the enjoyment of human rights. In Malawi’s case, the establishment... -
Evaluating the performance of South African primary care: a cross-sectional descriptive survey
Item type: Journal Article • Journal: South African Family Practice • Authors: Graham Bresick --- Division of Family Medicine, Klaus B von Pressentin --- Division of Family Medicine and Primary Care, Robert Mash --- Division of Family Medicine and Primary Care,Introduction: In 2018 governments reaffirmed their commitment to implementing primary health care (PHC) in the Astana Declaration. South Africa has introduced a number of health reforms to strengthen PHC and enable universal health coverage (UHC). UHC requires access to quality... -
The quality of feedback from outpatient departments at referral hospitals to the primary care providers in the Western Cape: a descriptive survey
Item type: Journal Article • Journal: South African Family Practice • Authors: Robert Mash --- Division of Family Medicine and Primary Care, South Africa Herma Steyn --- Department of Health, South Africa Muideen Bello --- Division of Family Medicine and Primary Care, South Africa Klaus von Pressentin --- Division of Family Medicine and Primary Care, South Africa Liezel Rossouw --- Department of Health, South Africa Gavin Hendricks --- Division of Family Medicine and Primary Care, South Africa Germarie Fouche --- Department of Health, South Africa Dusica Stapar --- Division of Family Medicine and Primary Care, South AfricaBackground: Coordinating care for patients is a key characteristic of effective primary care. Family physicians in the Western Cape formed a research network to enable them to perform practical research on key questions from clinical practice. The initial question selected... -
Antimicrobial stewardship in rural districts of South Africa: growing a positive culture
Item type: Journal Article • Journal: South African Family Practice • Authors: Klaus B von Pressentin --- Mossel Bay Sub-district, Garden Route District, South Africa Hendré Swanepoel --- Van Rensburg Lancet, South Africa Jessica JS Opie --- Division of Haematology, National Health Laboratory Service, South Africa Louis S Jenkins --- Division of Family Medicine and Primary Care, South AfricaBackground: The success of medical specialist-led antimicrobial stewardship activities in urban tertiary health care settings has been well documented. The issue of antimicrobial resistance remains an ongoing concern. This has particular relevance in primary health care communities treated from sub-district... -
The chemistry of the pedoderm – part 4: grasslands and savannas within Mokala National Park, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Anthony J Mills --- , South Africa Klaus Kellner --- , South AfricaTreed savannas and treeless grasslands occur across Mokala National Park, South Africa. To identify soil properties potentially underpinning these marked differences in vegetation structure, we analysed the soil chemistry of 27 composite pedoderm samples in both savannas and grasslands. Savannas... -
A new species of hemidactylus (Squamata: Gekkonidae) from West Africa, and comments on species hitherto confused with H. Muriceus
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Klaus Henle --- Umweltforschungszentrum Leipzig‐Halle GmbH, Germany Wolfgang Böhme --- Zoologisches Forschungsinstitut und Museum Alexander Koenig, GermanyWe describe a new species of Hemidactylus, H. pseudomuriceus. It is very similar to H. muriceus but differs in the number of internasal granules and has a central row of enlarged instead of narrow subcaudal scales. The new species lives... -
Mapping suitable habitat for Hooded Vultures Necrosyrtes monachus in one of the last West African strongholds for the species, The Gambia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Michael Bode Agunbiade --- Brandenburg University of Technology Cottbus-Sefftenberg, Germany Jallow Mawdo --- Abuko Nature Reserve Headquarters, The Gambia Fagimba Camara --- West African Bird Study Association, Abuko Nature Reserve Headquarters, The Gambia Chefor Fotang --- Brandenburg University of Technology Cottbus-Sefftenberg, Germany Elvis Tangwa --- Palacky University (UP), Czech Republic Olayinka Amos Oladosu --- Brandenburg University of Technology Cottbus-Sefftenberg, Germany Luc Roscelin Dongmo Tédonzong --- Centre for Research and Conservation (CRC), Royal Zoological Society of Antwerp (RZSA), Belgium Yisa Ginath Yuh --- Planning and Environment, University of Concordia, Canada Darcy Ogada --- The Peregrine Fund, United States Klaus Birkhofer --- Brandenburg University of Technology Cottbus-Sefftenberg, GermanyHooded Vultures Necrosyrtes monachus are Critically Endangered, with numbers decreasing due to illegal poisoning, hunting for belief-based use and food, and habitat loss. In The Gambia, human activities currently benefit commensalism between humans and Hooded Vultures, as these birds primarily...