Van Niekerk, S.Malan, A. P.(Cambridge University Press - CUP, 2013-11)
The citrus mealybug, Planococcus citri, is a highly destructive pest of citrus,
occurring only in the aerial parts of plants. Humidity will be one of the key
factors to consider when using entomopathogenic nematodes (EPN) ...
Ferreira, T.Malan, A. P.(Cambridge University Press - CUP, 2013-02)
Entomopathogenic nematodes (EPN) were evaluated for their potential use as
biological control agents against Phlyctinus callosus, the banded fruit weevil
(BFW). The susceptibility of larvae and adults to EPN was evaluated ...
Kruger, Daniel Hendrik Michau(Stellenbosch : Stellenbosch University, 2013-12)
ENGLISH ABSTRACT: Plant-parasitic nematodes, consisting of a wide range of species, can cause severe economic
losses in most agricultural food crops. Meloidogyne spp. (root-knot nematodes), Criconemoides
xenoplax (ring ...
ENGLISH ABSTRACT: The confinement of many elephant (Loxodonta africana) populations in southern Africa to fenced reserves has made the management of such reserves difficult as elephants are a keystone species. Elephants ...
ENGLISH ABSTRACT: The export of South African fruit to some of its biggest international markets may be rejected
if the phytosanitary pest, Phlyctinus callosus (Coleoptera: Curculionidae) is found in fruit
consignments. ...
Le Vieux, Patrique Dayne(Stellenbosch : Stellenbosch University, 2013-12)
ENGLISH ABSTRACT: Planococcus ficus (Signoret) (Hemiptera: Pseudococcidae), the vine mealybug, is of economic importance to the wine and table grape (viticulture) industries, as it characteristically causes more damage ...
Lawrence, James Mark(Stellenbosch : Stellenbosch University, 2013-12)
ENGLISH ABSTRACT: The loss and degradation of habitat is recognised as the greatest threat to invertebrate biodiversity. Restoration practices have the potential to reduce these impacts. The Seychelles giant millipede ...
ENGLISH ABSTRACT: Soil respiration (Rs) is a major component of CO2 emissions and the global carbon balance. In the context of global change it of interest to understand seasonal patterns of RS in fynbos riparian ecosystems, ...
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 ...
Tucker, Colin Michael(Stellenbosch : Stellenbosch University, 2013-03)
ENGLISH ABSTRACT: Declines in natural capital, such as the degradation of ecosystems and loss of species, are the result of threats created by anthropogenic activities. The concept of sustainable development encompasses ...
De Villiers, Ancois Carien(Stellenbosch : Stellenbosch University, 2013-03)
ENGLISH ABSTRACT: Reductionism, an approach to understanding complex systems based on reducing the system to its individual components and the interactions between these components, is the linear and rigid approach to ...
ENGLISH ABSTRACT: Decision-making in conservation should be efficient and effective as time and resources are typically limited. Conservation planning is one process by which stakeholders collaboratively make decisions ...
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 ...