Electronic Theses and Dissertations (PhDs)

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Browsing Electronic Theses and Dissertations (PhDs) by Keyword "Adaptation"

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    Assessing livelihood vulnerability and adaptation to climate variability and change among farming households in Plateau State, north-central Nigeria
    (University of the Witwatersrand, Johannesburg, 2024) Hassan, Buhari; Knight, Jasper
    It has been projected that sub-Saharan Africa would be severely affected by climate change in form of persistent and increasing climate variability. Nigeria’s situation as a developing country coupled with the fact that agricultural activities are primarily rainfed, provides a suitable case study in which to assess the vulnerability of farming households to climate variability and change. Lack of data on the nature and extent of vulnerability to climate variability (particularly annual changes in rainfall and temperature patterns) on food production systems and livelihoods in Nigeria hinders the development of effective policies to mitigate the adverse impacts of climate change and variability. The study aims to improve understanding of the socio-economic, institutional, biological and physical factors that contribute to vulnerability of farming households to climate change and variability in Nigeria. By combining descriptive, participatory and statistical analysis as well as field observations, this research develops a holistic approach to assess the level of exposure, sensitivity and adaptive capacity of farming households. Multistage sampling was used to purposely select communities in Bokkos Local Government Area, Plateau State, for the study, while farming households were randomly selected for the household questionnaire survey within four communities. Purposive sampling was used to identify key informants for interviews. Observation and taking photographs of farmers’ activities were used to complement the other data collection methods. Qualitative data was analysed using descriptive and content analysis, while the quantitative data was analysed using the Statistical Package for Social Sciences (SPSS) (v 27) and Microsoft Excel (v2020). The level of vulnerability of farming households was determined using the Sustainable Livelihood Approach. Results show that farmers are exposed to climate variability in form of changing rainfall patterns which includes late onset of rains, dry spells, and early cessation of rains and crop loss due to pests and disease infestation. Results show that the vulnerability of farming households can be linked to access to household livelihood capital assets and that households are characterised by low levels of financial, social and physical capital. Smallholder farming households adopt a range of on-farm and off-farm adaptation strategies including changing planting time, crop diversification, engaging in irrigation farming, intensifying the use of fertilizers, manure and agro-chemicals to boost crop yield, and planting of disease-resistant and drought-tolerant crop varieties. Farming households experience a number of challenges which include a lack of financial resources which has a strong influence on enhancing other capital assets such as physical and natural capitals; poor access to mechanised agricultural equipment, lack of training on how to deal with climate change and variability, limited access to improved crop varieties as well as a lack of institutional support, which constitute serious barriers to adaptation to climate variability. In applying these results to climate change adaptation it is recommended that policymakers need to institute specific and implementable climate change adaptation policies that will enable farmers to utilize their capital assets on effective adaptation measures and also engage in viable alternative livelihood diversification strategies, enhance agricultural productivity and resilience and improve institutional support including access to information and training
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    The Role of Climate Change Governance in Community Adaptation in Kwazulu-Natal: A Study of uMkhanyakude District Municipality
    (University of the Witwatersrand, Johannesburg, 2024) Sibiya, Nomfundo Patricia; Simatele, Mulala Danny
    It can be argued that, although South Africa has developed good climate change initiatives, policies, and strategies, the implementation of these policies seems to present difficulties, as those for whom they have been developed do not seem to have any knowledge of their effectiveness in helping them build resilience against extreme weather events. Additionally, the findings demonstrate the existence of structures tasked with coordinating climate change matters across all government sectors affected, comprising inter-departmental arrangements, departmental arrangements, other institutions, and stakeholders. The inter-departmental arrangements consist of forums whose purpose is to ensure inter-sectoral coordination of climate change matters. The national Department of Forestry, Fisheries and the Environment assumes leadership and coordination responsibilities in developing and implementing responses to climate change adaptation in South Africa. The findings also revealed that government officials employed at the Department of Forestry, Fisheries and the Environment unanimously believe that the institutional arrangement of climate change at the national level effectively drives the climate change agenda. Conversely, government officials at the provincial and local levels exhibit diverse perspectives regarding the effectiveness of the institutional arrangements. Consequently, one can posit that there is inadequate coordination of climate change adaptation horizontally among national government departments and sectors affected by climate change impacts, as well as vertically between national, provincial, and municipal governments. This study divulged various barriers to climate change adaptation in South Africa, including insufficient financial resources, inadequate human capacity at provincial and local levels, limited political resolve at the local level, deficient comprehension of climate change adaptation issues among communities, insufficient coordination across government levels and sectors, absence of legal mandate at the local level, absence of climate change units at the district and local levels, lack of knowledge among certain staff members entrusted with environmental responsibilities at the local level, inadequate climate change plans in place at the local level, and utilisation of outdated climate change information in the Integrated Development Plans (IDPs). This study proposes that policies should be jointly designed and implemented with vulnerable groups, based on local knowledge, and tailored to the specific needs of those most affected by climate change (e.g., women, the impoverished). There is a necessity to establish operational institutions that are dedicated to fulfilling their mandate, supporting communities, and fostering robust partnerships among civil society, the public sector, and the private secto