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The biology, ecology and conservation of four Flufftail species, Sarothrura (Aves: Rallidae)
(1994)
The distribution, status, biology and ecology of four flufftail species were investigated in South Africa and Zimbabwe. The Redchested Flufftail is a successful and widely distributed species, occupying a wide range of ...
In vitro propagation of Scilla natalensis planch.
(1999)
In South Africa, large quantities of Scilla natalensis are harvested from wild populations
and sold as traditional medicine, which is reducing the density, distribution and genetic
diversity of wild populations. The ...
Spatial modelling of fire dynamics in Savanna ecosystems.
(1999)
Fire is used in the management of ecosystems worldwide because it is a relatively inexpensive means of manipulating thousands of hectares of vegetation. Deciding how, where and when to apply fire depends primarily on the ...
The use of a virtual world to address misconceptions held by students regarding photosynthesis and respiration.
(1998)
In an effort to contribute to the improvement of Matric Biology education, a survey was conducted in 1996 and 1997 of Matric pupils and first year students at several tertiary institutions, in order to identify those topics ...
A study of some of the inter-relationships between maize and the seed storage fungi as typified by Aspergillus flavus var. columnaris.
(1990)
The seed storage fungi (xerotolerant) species of the genera
Aspergillus and Penicillium} are renowned for their devastating
effects on stored grain and grain products. In view of the fact
that most of these fungi Iiberate ...
High temperature fatigue crack growth behaviour of TIMETAL 21S in an oxidizing environment.
(1995)
The high temperature fatigue crack growth behaviour of the newly developed, metastable titanium-based alloy, TIMETAL 21S, was investigated in an inert and an oxidizing environment. The investigation adopted a two pronged ...
On the theory and examples of group extensions.
(1999)
The work described in this dissertation was largely motivated by the aim of producing a survey on the theory of group extensions. From the broad scope of the theory of group extensions we single out two aspects to discuss, ...
Women's access to housing in Clermont township.
(1998)
Obtaining access to housing is the greatest hurdle for
women throughout the developed and the developing world.
However, this phenomenon varies from country to country,
and it is determined by the level of each ...
Work and life of women in the informal sector : a case study of the Warwick Avenue Triangle.
(1993)
This thesis presents a case study of women working in the informal sector in the Warwick Avenue Triangle of Durban. It documents and analyses the ways in which twenty women experience and contribute to recent changes in ...
Optimized digital signal processing algorithms applied to radio communications.
(1992)
The application of digital signal processing to radio communications
has come of age with the advent of low power, high speed microprocessors
and over the past five years, various transceiver architectures,
utilizing ...