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Browsing Department of Environmental Sciences by Title

Now showing items 1-20 of 386

A global meta-analysis of woody plant responses to elevated CO2: implications on biomass, growth, leaf N content, photosynthesis and water relations

Mndela, Mthunzi; Tjelele, Julius T.; Madakadze, Ignacio C.; Mangwane, Mziwanda; Samuels, Igshaan M.; Muller, Francuois; Pule, Hosia T. (2022-08-26)

Abstract Background Atmospheric CO2 may double by the year 2100, thereby altering plant growth, photosynthesis, leaf nutrient contents and water relations. Specifically, ...
Amphiesma stolatum (Striped keelback): Predation on polypedates megacephalus (Java treefrog)

Norval, Gerrut; Huang S.-C.; Mao J.-J. (2007)

[No abstract available]
An integrated and comparative approach towards identification, characterization and functional annotation of candidate genes for drought tolerance in sorghum (Sorghum bicolor (L.) Moench)

Adugna Abdi Woldesemayat; Van Heusden, Peter; Ndimba, Bongani K.; Christoffels, Alan (2017-12-22)

Background: Drought is the most disastrous abiotic stress that severely affects agricultural productivity worldwide. Understanding the biological basis of drought-regulated traits, requires identification and an in-depth ...
Analyses of the impacts of bacteriological seepage emanating from pig farming on the natural environment

Mofokeng, Dikonketso Shirley-may (2014-03)

Modern pig farming production may over burden the environment with organic substances, exposure of bacterial pathogens and introduction of resistance gene. This may be caused by the pig’s droppings, lack of seepage management ...
Analysing the contribution of ICTS in addressing climate change amongst communal farmers from two districts of Zimbabwe

Mudombi, Shakespear (2014-09)

Climate change involves long-term change in the state of the climate. It is expected to have negative effects which include the increased frequency and intensity of climate extremes such as droughts, floods and storms. In ...
Analysis of landscape performance assessment by key stakeholders in a transfrontier conservation area

Chitakira, Munyaradzi; Torquebiau, Emmanuel; Ferguson, Willem; Mearns, Kevin F. (Taylor & Francis, 2017)

Stakeholder engagement has become an important aspect of sustainable natural resources management. This study analysed a landscape performance assessment by local and ‘external’ stakeholders in a transfrontier conservation ...
Analysis of smallholder farmers' perceptions of climate change and adaptation strategies to climate change : the case of Western Amhara Region, Ethiopia

Weldlul Ayalew Lemma (2016-05)

Ethiopia is an agrarian country dominated by subsistence farming which is highly vulnerable to climate change. This study was therefore carried out to assess smallholder farmers’ perceptions of climate change and adaptation ...
Analysis of the decentralization of environmental management in Rwanda

Nsabimana, Patrick (2016-01)

The aim of this case study is to draw a picture about the present situation and highlight constraints and challenges to the implementation of National Environment Policy (NEP) in Rwanda by identifying limits and prospects ...
An analysis of the impact of land registration and certification on the sustainable use of farmlands in northwestern Ethiopia : a case study

Ermias Ashagrie Abebe (2014-11)

This study analyses the impact of land registration and certification scheme on sustainable use of farmlands in Debre Mawi and Densa Bahta rural kebeles of Amhara region in northwestern Ethiopia, with a view to contributing ...
Anthropocentric impacts on the ecology and biodiversity of the Natalspruit watercourse and its associated wetlands

Kruger-Franck, Elmarie (2019-07)

Information regarding the ecological wellbeing of the Natalspruit and its adjoining wetlands is essential if the river is being managed using sound ecological management principles. Despite this, little is known about ...
Anthropogenic impacts on the integrity of the Blesbokspruit catchment : a case study of surface water pollution

Phaleng, Dipitseng Maropeng (2009-09)

Water Quality Management is one of the critical challenges currently facing South Africa. The triad of water resource management, socio- economic development and environmental sustainability are key issues that require ...
Application of biological sample oxidiser and low-level liquid scintillation counter for the determination of ¹⁴C and ³H content in water from the Hartbeespoort Dam in North-West Province

Khumalo, Lamlile Hlakaniphile Ntando (2016-02)

The aim of the research study was to evaluate the levels of 14C and 3H radionuclides in Hartbeespoort Dam water and to determine if these radionuclides are within regulatory concerns. Water samples from Hartbeespoort Dam ...
An application of GIS and remote sensing for land use evaluation and suitability mapping for yam, cassava, and rice in the Lower River Benue Basin, Nigeria

Abah, Roland Clement (2016-04)

Agricultural production has contributed over time to food security and rural economic development in developing countries particularly supporting the countryside. Evidence show that crop yields are declining in the Lower ...
Application of meteorological satellite products for short term forecasting of convection in Southern Africa

de Coning, Estelle (2010-11)

Thunderstorms, due to their high frequency of occurrence over southern Africa, and their major contribution to summer rainfall are the primary focus of very short range forecasting and nowcasting efforts in South Africa. ...
The application of the modified crude settleable dust approach as a viable asbestos mineral test method

Kwata, Maphuti Georgina (2019-11)

Soil and other geological materials found on the crust of the Earth are known to be rich in naturally occurring silicate minerals. Asbestos is one of the fibrous silicate minerals that was mined predominantly in some regions ...
Applying sustainable tourism indicators to measure the sustainability performance of two tourism lodges in the Namib Desert

Baker, Melissa; Mearns, Kevin F. (Africa Journals, 2017)

The tourism industry is one of the fastest growing industries worldwide, and its preeminent role as a fundamental contributor to the economic sector cannot be disputed. However, the tourism industry is not as harmless ...
Assessing factors that influence household fuelstacking behaviour within rural households in the Gonani village, Limpopo Province, South Africa

Sithole, Nkhensani Tiyani Precious (2023-02)

Energy is crucial to human survival since it sustains all kinds of life. Traditional/dirty/solid energy sources have given way to modern/clean energy sources in the evolution of energy sources. Some experts have noted that ...
Assessing Signals of Mesopredator Release under Two Apex Predator Regimes in Tswalu Kalahari Reserve, South Africa

Collins, Roxanne Natasha (2023-10-31)

Predators have a considerable influence on the structure and functioning of the ecosystems in which they occur, however their numbers have declined, and continue to do so. The eradication of top-level predators has been ...
Assessing the abundance of Cryptosporidium and Giardia spp. in borehole water close to eMbalenhle wastewater treatment plant and associated human health impacts

Makhombothi, Busisiwe Fezile (2023-03)

Groundwater quality is often an overlooked aspect and due to this oversight, groundwater remains vulnerable to contamination by such sources as wastewater treatment plants (WWTPs). Even though most WWTPs in South Africa ...
Assessing the effectiveness of environmental management structures and participation process in the upper Pungwe River Basin, Zimbabwe

Nyikadzino, Ben (2016)

The study assessed the effectiveness of environmental management structures and participation process in the upper Pungwe River basin. It looked at the interaction of environment and water management institutions and ...

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