Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Western Africa"”.
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Ensemble-characterisation of satellite rainfall uncertainty and its impacts on the hydrological modelling of a sparsely gauged basin in Western Africa
… This problem is especially acute in sub-Saharan Africa, where a paucity of rain recording radar and sufficiently dense raingauge networks combine with highly variable rainfall, a reliance on agriculture that is predominantly rain fed and systems that are prone to flooding and drought. Satellite …
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Nutrient-Rich Foods in Western African Food Supply: Applying Nutrient Profiling Models to the FAO Food Composition Table for Western Africa (WAFCT 2019)
Background: The Western Africa region faces a significant burden of malnutrition, including high rates of micronutrient deficiencies. Addressing this issue requires identifying and ensuring equitable access to local nutrient-dense foods. While nutrient profiling tools can serve for this purpose, …
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Extended flute techniques in three culturally different solo flute pieces
… purposes of this dissertation) with regard to Western, Africa and Asian flutes and flute playing.
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Journeys
… by my personal journey over the Sahara and into Western Africa. On another level, this journey connects to my metaphorical journey through life. As a printmaker, my art is very process oriented. Printmaking itself can be thought of as a kind of journey. My trip or the process is more important …
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Economic impact of Ebola virus disease in Western African countries.
The Ebola outbreak in Western Africa from 2014 to 2016 infected 28600 people and claimed lives of 11325 people. It is the worst and the longest Ebola outbreak since the first recorded Ebola outbreak in 1976. The World bank estimated the cost of this outbreak is approximately $4 billion. In this …
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An Analysis of Illegal Bushmeat Availability in Local Restaurants Located in Voi, Kenya
… wildlife populations throughout much of Africa. For many years the trade was thought to exist primarily in Western Africa. The illegal use of bushmeat in Eastern Africa, including Kenya, went undocumented and unstudied. In 2004, the Born Free Foundation published a study which claimed …
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A família Bromeliaceae nas restingas do estado do Rio de Janeiro: fitogeografia
… America, and one species of Pitcairnia in western Africa. ln the Americas, this family ranges from the United States to Chile and Argentina. Approximately 60 species are found on the sandy coastal plains (restingas) of Rio de Janeiro State. Floristic surveys of several sandy coastal plains …
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African Easterly Waves: Evolution and Relationship to Atlantic Tropical Cyclones
… of all Atlantic hurricanes originate from African easterly waves. Yet, less than 20% of all African waves originate tropical cyclones (including hurricanes). It is of interest to investigate if African waves involved in cyclogenesis possess special characteristics, or if the environment in …
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A simulated history of Aloe dichotoma recruitment and its link to rainfall : insights from an isolated population near Kenhardt
… across the species distribution in South Western Africa. Little is known about how recruitment and mortality rates are affected by local climate and ecological factors. Using repeat photography and a statistical recruitment model, the recruitment history of an emerging population of over …
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HIV-positive African women’s engagement with HIV care in the UK during and after pregnancy
… the overwhelming majority being from Sub-Saharan Africa. The overall question I pose in this thesis is: how do African women living with HIV in the UK engage with HIV services and interventions during and after pregnancy? The question is addressed through a mixed methods approach. Drawing upon …
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Mitochondrial genetic variation in the evolution of humans and metabolism of cancer
… form the two main foci of this thesis. Southern Africa is known to encompass the world’s greatest genomic diversity, and genetic, anthropological, and archaeological studies support the region as a candidate for the origin of modern humans. In summary, this study used mitochondrial genomes to …
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ELEVATED PYROGENIC ORGANIC MATTER IN SEDIMENTS FROM LAKE BOSUMTWI, GHANA AS A PROXY FOR THE TERMINATION OF THE AFRICAN HUMID PERIOD
… the Holocene paleoclimatic history of northern Africa, using total organic carbon (TOC), soot carbon (Csoot), and other markers of pyrolysis in a sediment core from Lake Bosumtwi, Ghana, west Africa. The African climate has been dynamic throughout the Quaternary, influenced by multiple drivers …
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Automated Detection and Analysis of Low Latitude Nightside Equatorial Plasma Bubbles
… eastern region of the Americas, Atlantic, and western Africa. The optical data can be used to pick out gradients in brightness along the 135.6 nm wavelength which correlate with the location of EPBs in the nightside ionosphere. The dissertation provides a novel method to look at and analyze …
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Cytokine patterns in a comparative model of arenavirus infection: Implications for virulence and control of viral replication
… that affects 300,000 to 500,000 people a year in western Africa. Low passage Pichinde virus (P2) induces a mild disease with low viremia, while high passage Pichinde (P18) induces a severe disease with high viremia, ending in terminal shock. We hypothesized that severe disease would be associated …
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Systematic studies in the tribe Amaryllideae (Amaryllidaceae)
… Institute, Private Bag X7, Claremont 7735, South Africa. The phylogeny of the African Amaryllideae is presented as a basis for classification and an enquiry into the tribe's evolution. The focus is on the monotypic Kamiesbergia Snijman and Carpolyza Salisb., Hessea Herbert (nine species), …
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Station-based Analysis of Variability and Change in the Nigerian Hydroclimate
… climate. Like many developing nations, the western Africa nation of Nigeria faces risks from climate change, with potential effects on the environment upon which Nigerians rely and on broader social constructs, including the national economy. Nigeria's diverse topography, which stretches …
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A historical perspective on wind data: time, space and vector relationships between ship log data and Cape Royal Astronomical Observatory wind data between 1834 and 1854
… Observatory (RAO) in Cape Town, South Africa from 1834-1854. This follows the historical precipitation reconstructions for Southern Africa by Hannaford et al. (2015), using wind data from the CLIWOC database. This project also forms part of a bigger project that is recovering and …
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Sedimentology and taphonomy of cenozoic vertebrates from Langebaanweg, Cape West Coast, South Africa; with palaeoecological interpretations
… Langebaanweg is the only fossil site in South Africa that preserves remains from the Late Miocene to Early Pliocene. The Mio-Pliocene is a period of major climatic change, with global temperatures falling, and increased aridity and seasonality across the African continent. Langebaanweg, located …
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Pangolin Exploitation and Wild Meat Hunting in Nigeria
Pangolins, eight species of scaly African and Asian mammals, are all threatened by overexploitation according to the International Union for the Conservation of Nature’s Red List of Threatened Species. The medicinal use of scales in traditional therapeutic medicines in Asia is considered the …
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Kongo to Kings County
… items both in the present-day areas of Central Africa where the Kongo Kingdom (Fig. 2) held influence during the majority of the Atlantic Passage. These same symbols are also found all over the New World in different contexts.</p> <p>Additionally, there is a rather extensive collection of items …