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This system involves the process of taking soil samples from a potential building site, mixes it with water and then the sedimentation process is evaluated by a camera and analysed to determine how much clay is in the soil sample. This in turn will then provide the engineers with information on what

Water hyacinth (Eichhornia crassipes) is an aquatic weed which has one of the highest growth rates of all plants in the world. This fast-growing plant causes numerous problems in water bodies. These problems are related to navigation, recreation, irrigation and hydropower generation. The complete

Stumpout®: Protecting Indigenous Fauna with a Fungus Black and golden wattle trees (Acacia mearnsii and Acacia pycnatha) are considered an invasive alien species in South Africa, they out-compete and replace local fauna and consume more water than many of their indigenous counterparts