ENGLISH ABSTRACT: Entomopathogenic nematodes have the potential to be outstanding biocontrol agents against agricultural pest insects. Combined with their bacterial symbionts, these biocontrol agents have proven to be very ...
ENGLISH ABSTRACT: Soil is a fundamental, non-renewable resource in any ecosystem. To uphold food production for increasing global human populations, it is imperative to develop ways in which to sustain healthy biological ...
ENGLISH ABSTRACT: Invasive species are among the most important global conservation threats. Their management is one of the key conservation challenges that will have to be addressed in the next few decades. The study of ...
ENGLISH ABSTRACT: Conservation planners use many traditional biodiversity conservation tools to help alleviate
the global biodiversity crisis. However, ongoing biodiversity loss has stimulated the
development of new and ...
The sugarcane borer, Eldana saccharina Walker (Lepidoptera: Pyralidae) is the most limiting factor in the South African sugar industry with losses to this insect pest estimated to be at least ZAR60 million per annum. Because ...
ENGLISH ABSTRACT: Widespread, human-induced ecosystem degradation and the associated biodiversity loss pose a direct threat to human wellbeing. While there is no substitute for healthy, self-sustaining ecosystems, ecological ...
ENGLISH ABSTRACT: Wetland systems provide vital hydrological ecosystem goods and services to mankind. When wetlands are transformed, through invasion by alien plants or replaced with agriculture, natural capital is lost, ...
ENGLISH ABSTRACT: The fire-prone mediterranean-type climate regions of the world are immensely biodiverse.
Changes in fire frequency due to anthropogenic ignitions and climate change are one of the
factors threatening ...
Coetzee, J. H.(Jacobus Hendrik)(Stellenbosch : Stellenbosch University, 1989)
ENGLISH ABSTRACT: Arthropod communities of five proteaceous species viz. Protea repens. P. neriifolia. P.cynaroides,
Leucospermum cordifolium and Leucadendron /aureolum were studied. A faunal list of the insects was
compiled ...
Schwartz, A. (Allen)(Stellenbosch : Stellenbosch University, 1981-12)
EKSERP: Vanwee die voortdurende probleme wat die valskodlingmot,
Cryptoph lebia leucotreta (Meyr.), by die verbouing van nawels
in die Oos-Transvaalse Laeveld daarstel, is 'n indringende studie van hierdie insekprobleem ...
Van Wyk, Jesse Huggett(Stellenbosch : Stellenbosch University, 1955-04)
INTRODUCTION: The earliest work on African Aphids was done by Pred. V. Theobald. His first monograph appeared in 1914, and dealt with only thirty-five species of which nine where described so now to science. His later ...
Van Heerden, P. W. (Pieter Willem),1907-(Stellenbosch : Stellenbosch University, 1931-09)
ENGLISH ABSTRACT: This thesis is presented in partial fulfilment of the requirements for the degree of MSc. Agric in Entomology. In this work an attempt has been made to gather all the available literature on the family ...
Codling moth, Cydia pomonella L. (Lepidoptera: Tortricidea), is the key pest
of apples and pears in South Africa. To date the control of codling moth in apple
and pear orchards has depended on the application of insecticides ...
Schoeman, Colin Stefan(Stellenbosch : Stellenbosch University, 2008-03)
ENGLISH ABSTRACT: Alien trees, Pinus spp. and Eucalyptus spp., affect ants negatively in the Cape Floristic
Region (CFR), a global biodiversity hotspot in South Africa. They reduce ant abundance
and species richness, ...
Hugo, Elizabeth Aletta(Stellenbosch : Stellenbosch University, 2006-12)
ENGLISH ABSTRACT: The spatial distribution of animals and plants at different scales is a central theme in
ecology. Knowledge of biodiversity distribution is essential, especially with the current
threat of climate change ...