Browsing Doctoral Degrees (Environmental Science) by Title
Now showing items 1-20 of 68
-
An assessment of the appropriateness of agricultural extension education in South Africa.
(2008)This thesis is about agricultural extension education. The context is agricultural extension in South Africa. It addresses the following questions: To what extent does current agricultural extension education in South ... -
Analysis of vegetation fragmentation and impacts using remote sensing techniques in the Eastern Arc Mountains of Tanzania.
(2014)The Eastern Arc Mountains of Tanzania forms part of the Eastern Afromontane Biodiversity Hotspots, listed among the global World Wide Fund for Nature's (WWF) priority ecoregions. However, the region is threatened by ... -
Assessing soil erosion associated with main roads in south-eastern South Africa.
(2014)Construction of linear infrastructure such as roads is increasing worldwide for the provision of efficient transportation of both humans and commodities. However, roads have been widely recognised as significant causes of ... -
Assessing the invasiveness of alien aroids using modelling techniques and ecological assessments.
(2016)Biological invasions represent one of the main drivers of the present decline in biodiversity worldwide and are difficult and costly to control. Consequently, identifying which factors allow a small proportion of species ... -
An assessment of the Giba Gorge special rating area as a biodiversity stewardship practice.
(2015)Traditional conservation practices restricted resources to formally Protected Areas leaving biodiversity lying outside Protected Areas with minimal or no formal management. Increasing evidence of significant biodiversity ... -
The biogeography and ecology of the secondary marine arthropods of Southern Africa.
Abstract available in PDF file. -
Causes of wetland erosion at Craigieburn, Mpumalanga Province, South Africa.
(2011)Wetland degradation, which includes deterioration in functional performance and erosion, is a problem around the world. This has engendered a quest for causes and attempts to prevent the problem or to rehabilitate wetlands ... -
Challenges of developing an integrated food control system for South Africa : insights from the veterinary drug and residue regulatory system.
(2013)Food is a complex commodity. Ingredients are farmed and harvested then processed and combined into a variety of foods of different forms and packaged in an equal variety of ways to satisfy a multitude of tastes, textures, ... -
Climate change learning in an electricity utility: distribution division case study, Eskom, South Africa.
(2018)One of the most significant ways in which humans have damaged the environment is the contribution to rapid global warming which causes major changes to the climate on earth, resulting in many negative impacts to humans ... -
Climate change responses in urban low-income groups, Pietermaritzburg, KwaZulu-Natal, South Africa.
(2017)South Africa is urbanising at an unsustainable rate such that the levels of urban poverty and inequality are rising, taking the country further from its attainment of the sustainable development goals, mainly, the elimination ... -
Climatic, environmental and socio-economic factors for malaria transmission modelling in KwaZulu-Natal, South Africa.
(2018)Sub-Saharan Africa (SSA) largely bears the burden of the global malaria disease, with the transmission and intensity influenced by the interaction of a variety of climatic, environmental, socio-economic, and human factors. ... -
Collective identity and collective action in the management of common pool resources : a case study of Doro !Nawas Conservancy in Namibia.
(2012)Conservation is increasingly understood to require collective action, particularly in the context of community based conservation. This thesis is premised on the proposition that understanding the dynamic nature of the ... -
A comparative assessment of the socio-economic and spatial factors impacting the implementation of renewable energy in marginalised communities: the case of Inanda and Bergville.
(2016)Access to modern, safe and cost effective energy is undisputed in its ability to facilitate development among poor countries, however, achieving energy security is plagued by challenges. Renewable energies and technologies ... -
Connectivity of two scleractinian corals in the south west Indian Ocean.
(2010)Generations of hard corals have built the complex reef ecosystems that harbour a huge diversity of sea-life in the world’s shallow tropical oceans. These undergo both sexual and clonal reproduction, and may contain ... -
Critical systematic engagements with rural development and nature conservation organizations.
(2004)This collection of papers represents the author's maturing reflection on systemic engagements with three different organizations within the latter half of the first decade in post-Apartheid South Africa. The first two ... -
Development of a methodology for the delineation of air quality management areas in South Africa.
(2010)Since 1992 the Department of Environmental Affairs and Tourism (DEAT), now the Department of Environmental Affairs (DEA), acknowledged that pollution and waste management governance was inadequate in dealing with South ... -
Development of census output areas in South Africa.
(2015)The use of the same geographical unit for both census data collection and dissemination is common in many countries across the world, especially in developing countries. This poses some serious concerns. Firstly, this ... -
Discrimination and biomass estimation of co-existing C3 and C4 grass functional types over time : a view from space.
(2018)The co-existence of C3 and C4 grass species significantly influence their spatio-temporal variations of biochemical cycling, productivity (i.e. biomass) and role in provision of ecosystem goods and services. Consequently, ... -
Ecological aspects of vegetation establishment on landfills.
(2003)A high level of plant mortality on the Bisasar Road landfill, Durban, South Africa initiated an investigation into the primary causes of the mortalities and a search for potentially tolerant plant species. Field studies ... -
The ecology of ungulates in the Waterberg Plateau National Park, Namibia.
(2019)Although ungulate species form an important component of Namibia’s economy through tourism, their population sizes vary substantially in relation to irregular rainfall, poaching, predation and competition, amongst other ...