Cannabis sativa L. is a drug producing crop that is illegally cultivated in South Africa. The South African Police Service (SAPS) use aerial spotters on low flying fixed wing aircrafts to identify cannabis from other ...

Rural farmers in the Nkwezela Area, with an average family size of 10 people, face a number of problems. The crops that are predominantly cultivated in the area, for subsistence (maize, dry beans, sorghum, potatoes, ...

Abstract available in pdf file.

Because of the variety of ecological and economic functions they perform, estuaries and mangrove swamps are recognised as amongst the most valuable habitats on earth. However, estuaries and related mangrove swamps are ...

Global trends of transformation and loss of wetlands to other land uses has deleterious effects on surrounding ecosystems, and there is a resultant increasing need for improved mapping of wetlands. This is because wetland ...

This study presents an investigation of surface ozone (O₃) at SANAE (2002 to 2009), Cape Point (1997 to 2009), Molteno (1997 to 2007) and Goodwood (2000 to 2006). The Cape Point data was statistically separated to background ...

Girinka “one cow per poor family” program has been implemented in Rwanda since 2006 for poverty and child malnutrition reduction. Every poor family receives one dairy cow and the program encourages zero-grazing to combat ...

This research project explores the restructuring of local government in the Durban Metropolitan Area (DMA) and, in particular, the delay in the implementation of Regional Services Councils (RSCs) in this region. During ...

Consideration of almost any geomorphology textbook will show the fundamental argument that in cold environments mechanical weathering processes, usually freeze-thaw, will predominate and that chemical weathering will be ...