Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Weldon, Christopher W."
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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Weldon, Christopher W."
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(University of Pretoria, 2022)Food security, as far as horticultural production is concerned, requires research into pest control methods at all stages of production. Tephritid fruit flies are among the most serious agricultural pests worldwide, owing ...
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(University of Pretoria, 2015)Urbanisation of catchment areas is a major cause of freshwater ecosystem degradation worldwide. As catchments become more developed and river ecosystems become increasingly engulfed in various land use activities, there ...
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(University of Pretoria, 2021-12)Expanded global trade and improved modes of transportation have shortened the duration of movement between countries but have also increased and aided the spread of alien species. The latter has been aggravated by the ...
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(University of Pretoria, 2023)Pressure is being placed on the agricultural sector to supply an ever-growing demand for food as the population continues to increase globally. This is further complicated by a continues decrease in pollinators needed for ...
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(University of Pretoria, 2019)Oviposition decisions are a prominent example of behaviour directly affecting the fitness, abundance, distribution, and population dynamics of holometabolous insects. Due to eggs being immobile and adult insects often not ...
Now showing items 1-5 of 5