Now showing items 31-40 of 180
Spectral differentiation of Cannabis sativa L from maize using hyperspectral indices.
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 ...
A land suitability evaluation for improved subsistence agriculture using GIS : the case study of Nkwezela, KwaZulu-Natal, South Africa.
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, ...
Rethinking society and space : neighbourhood, locality and region in a changing South Africa.
Abstract available in pdf file.
The use of wetland bird species as indicators of land cover change within the Mgeni Estuary and Beachwood Mangrove swamps.
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 ...
Modelling the likelihood of wetland occurrence in KwaZulu-Natal, South Africa : a Bayesian approach.
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 ...
Analysis of surface ozone measurements at Cape Point, SANAE and City of Cape Town.
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 ...
An assessment of the Girinka (one cow per poor family) program and poverty alleviation in Rwanda : a case study of Bugesera District.
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 ...
The regional services council debacle in Durban c. 1984-1989.
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 ...
Mechanical weathering in cold regions with special emphasis on the Antarctic environment and the freeze-thaw mechanism in particular.
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 ...