Browsing Electronic Theses and Dissertations (ETDs) by Subject "Bioassays"
Now showing items 1-4 of 4
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Assessing the ecotoxicity of goldmine tailings by utilising earthworms and soil mesofauna as bioindicators
(North-West University (South Africa), 2019)The mining industry plays a key role in the economic development of South Africa, which as a country, is one of the largest exporters of valuable resources such as, gold, platinum group metals (PGMs) and other metals and ... -
Assessment of platinum mine tailings storage facilities : an ecotoxicological perspective
(North-West University, 2008)South Africa is one of the most important mining countries in the world, hosting the world's largest reserves of platinum group metals (PGMs). Even though mining is clearly an important activity in South Africa, contributing ... -
Toxicity bioassays with insecticide formulations used for control of Spodoptera frugiperda (Lepidoptera : Noctuidae)
(North-West University (South Africa), 2019)The fall armyworm, Spodoptera frugiperda, is an exotic pest of maize in Africa. It is polyphagous and has the ability to develop on a wide range of host plants with different nutritional indices. Rearing of insects is ... -
Utilizing earthworm and microbial assays to assess the environmental effects of different mining activities
(North-West University, 2011)Mining has negative impacts on the environment, and is one of the main contributors to environmental pollution. This holds a potential hazard for ecosystems surrounding mining areas and also for public health in the ...