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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
81

Sustainable Development, Youth, Entrepreneurship and Leadership Education: A Case Study of the Mandela Washington Fellowship, Young African Leaders Initiative

Mannan, Irin 31 October 2018 (has links)
Entrepreneurship education has emerged as an alternative to traditional models of sustainable development in Sub-Sahara Africa. Traditional development models focus on economic reforms. In contrast, Amartya Sen’s capabilities approach to development emphasizes the importance of entitlements, choice, freedom, and addressing social and institutional conditions that facilitate development. This is a case study on a similar program, the Mandela Washington Fellowship (MWF) for Young African Leaders Initiative (YALI), in the business and entrepreneurship track. The objective is to examine the impact of MWF on participants in developing entrepreneurial and leadership skills, which has the potential to contribute to the overall growth and development of their communities. This research assesses the effectiveness of entrepreneurship and leadership education programs in successfully developing practical skills among participants. Further goal is to examine the links between sustainable development, entrepreneurship and leadership training programs, in the context of Sen’s capabilities approach to development in Sub-Sahara Africa.
82

Análisis respecto de la aplicación del principio de libre determinación de los pueblos al pueblo de Sahara Occidental mediante la creación de un estado independiente

Yépez Castro, José Alonso January 2015 (has links)
El documento digital no refiere asesor / Publicación a texto completo no autorizada por el autor / Trata acerca de la aplicación del principio de la libre determinación de los pueblos al caso del Sahara Occidental mediante la creación de un Estado independiente. Para estos efectos se describe al Estado como sujeto de derecho internacional, otorgando especial énfasis a sus elementos constitutivos según la doctrina, jurisprudencia y costumbres internacionales. Posteriormente se estudia el principio de la libre determinación de los pueblos, tomando atención en la normatividad producida en el marco de Naciones Unidas y la jurisprudencia de la Corte Internacional de Justicia. Además se analizan en detalle las principales controversias jurídicas en torno a la libre determinación de los pueblos, cuya naturaleza jurídica ha estado sujeta a continuos debates a nivel doctrinario. La presente investigación busca determinar cómo jurídicamente se puede aplicar la libre determinación al caso del Sahara Occidental, tomando en cuenta sus antecedentes y contexto. Por ello, se hace un amplio análisis de los resultados del caso que tuvo lugar ante la Corte Internacional de Justicia y otros aspectos jurídicos conexos. Se determina el rol jurídico y las competencias del Frente Polisario en la aplicación del principio de la libre determinación de los pueblos a este caso, estableciendo su naturaleza jurídica y las fuentes de su legitimidad. Se analiza la situación legal de la República Árabe Saharaui Democrática, su funcionamiento, su representatividad y el reconocimiento internacional del que es sujeto. Se propone el rol debe cumplir las Naciones Unidas y la Sociedad Internacional en la solución pacífica de esta disputa, tomando en cuenta el desarrollo histórico de su involucramiento. / Tesis
83

Beliefs and perceptions in the construction of HIV stigma and sexual health seeking behaviour among Black Sub-Sahara African (BSSA) communities in Birmingham, UK

Nyashanu, Mathew January 2017 (has links)
There is ample academic evidence indicating high levels of HIV stigma among BSSA communities. The research suggests that disadvantaged and marginalised social groups like the BSSA communities experience high levels of HIV and sexually transmitted infections. There is a significant amount of quantitative research in the public domain on HIV and stigma. Quantitative research has shown that BSSA communities present late with HIV and sexually transmitted infections often owing to HIV stigma. Currently there is limited published qualitative information on the factors influencing HIV stigma and sexual health seeking behaviour among BSSA communities, particularly from the perspective of the communities themselves. This research study explored beliefs and perceptions in the construction of HIV stigma and sexual health seeking behaviour among Black sub-Sahara African (BSSA) communities in one city in the UK. The Silences Framework, which sits within aspects of feminism, criticalist and ethnicity-based approaches, provided the theoretical underpinning for this study. An exploratory qualitative study methodology was used to identify and explore the key factors influencing the construction of HIV stigma and sexual health seeking behaviour among BSSA communities. Five focus groups and fifteen one-to-one semi-structured follow-up interviews were conducted to collect the data. The institution of Marriage, Religion, Reported HIV statistics, Politics and Immigration, HIV as a Sensitive subject, sexual health professionals Cultural competence, gender stereotyping, Sexual Orientation and Social Media emerged as key pillars underpinning the social scripts associated with the construction of HIV stigma and sexual health seeking behaviour. The experiences emanating from the pillars of HIV stigma, identified in this study, showed the impact of social, political and personal contexts associated with specific sexual scripts among the participants impacting on the construction of HIV stigma and sexual health seeking behaviour. The 'silences' contained in the socially determined scripts were important in understanding the phenomenon under investigation. The findings from this study were reviewed in light of current sexual health policies and strategies to consider how sexual health professionals and services can best meet the health care needs of BSSA communities. This thesis contributes to current knowledge of HIV stigma and ethnicity, by concluding that the construction of HIV stigma and sexual health seeking behaviour among BSSA communities takes place during different contexts of socialization, in a bid to conform to the perceived expectations of society which may be real or imagined. Furthermore, conformity is also influenced by commonly shared and personal appraisal of socially determined relevant issues. These contexts form the bases on which sexual scripts are given meaning and HIV stigma is constructed alongside a socially sanctioned pattern of sexual health seeking behaviour. This study makes an additional contribution in that it is the first time that The Silences Framework has been used to research HIV and stigma among BSSA communities. This research study compliments the currently available pool of quantitative data linking issues of HIV stigma and ethnicity in the United Kingdom. The findings from this exploratory qualitative research study reveal a wide range of critical issues to encourage further qualitative research in the area, while indicating new issues to consider in developing UK based interventions to address HIV stigma and sexual health seeking behaviour among BSSA communities.
84

Optische Eigenschaften von Wüstenaerosol

Wenzel, Karin, Schienbein, Sigurd, Posse, Peter, Hoyningen-Huene, Wolfgang von 01 November 2016 (has links)
Durch Messungen von spektraler optischer Dicke, Sonnenaureole und Himmelshelligkeit in Kombination mit den Programmen CIRATRA und BILANZ werden die optischen Eigenschaften von Sahara-Wüstenaerosol und dessen klimatische Wirkung unter Berücksichtigung der Nichtsphärizität der Aerosolpartikel untersucht. / By combining measurements of spectral optical thickness, solar aureole and sky brightness with the programs CIRATRA and BILANZ the optical porperties of Saharan desert aerosol and its climatic effects are investigated, including a consideration of the Nonsphericity of the aerosol particles.
85

"Matter out of place" : Humanitarianism and the construction of national identities: the cases of Palestinian and Sahrawi refugees

ALVAREZ, LETICIA January 2021 (has links)
This thesis examines the tension between humanitarianism and nationalism byfocusing on the Sahrawi and Palestinian refugee cases. These cases represent a challengeto both nationalism, which presupposes national identity as being congruent with theestablished political borders and rooted within their limits, and the claim of neutrality, asnot favoring any side in an armed conflict or dispute and bearing no national allegiance.Firstly, Palestinians and Sahrawis, while claiming a nation without land, have created anational identity in up-rootedness, and express political fights that are nurtured by thevery humanitarianism. Secondly, the refugee camp, as a humanitarian product, has beenaccused of depoliticizing and reducing life to mere survival, and I will explore how it hasparadoxically become a hyper-politicized space providing the grounds for nationalidentities and national claims to develop. For Palestinians and Sahrawis, I will argue,humanitarian interventions are in fact the very reason for politicized identities to arise.
86

Risk-Taking Behaviors of First-Generation Sub-Saharan African-Born U.S. Resident Men

Sinyangwe, Henry K.J. 01 January 2019 (has links)
African-born residents of the United States have a higher incidence of HIV than African Americans. Factors such as lifestyle, habits, behavior practices, and activities may predispose African-born residents to behave sexually in ways that place them at risk of becoming infected with HIV. This study used a qualitative narrative approach to understand the lived experiences first generation Sub-Saharan African-born men who are U.S. residents to analyze the behaviors that expose them to HIV. To analyze data, the study used the health-belief model as the conceptual framework and NVivo for data analysis to assist in identifying, categorizing, and analyzing common themes and grouping unstructured data. The study used a purposive convenience sampling of 14 first generation Sub-Saharan African-born men who are U.S. residents residing in the states of Delaware, New Jersey, and Pennsylvania and discovered that they engage in sexual risk taking behaviors which include: having multiple sexual partners, preferring heterosexual relationships without a condom, have limited knowledge of HIV prevalence in the United States, and preferring to have sex with both African born females and American born women who are thought to be healthy. Their tendency to visit strip clubs, visit sex houses, and to abuse alcohol was also apparent in the study. Social change implications include adding new relevant knowledge in the understanding of how HIV spreads among Sub-Saharan African-born male U.S. residents by discovering the risk behaviors in which Sub-Saharan African men engage to expose themselves to contracting HIV disease. This knowledge can influence future health education efforts and target culture specific behaviors.
87

Agro-ecological study on Chagga home garden system in Kilimanjaro highlands / キリマンジャロ高地におけるチャガホームガーデンシステムの農業生態学的研究

Ichinose, Yuri 23 May 2022 (has links)
京都大学 / 新制・論文博士 / 博士(地球環境学) / 乙第13493号 / 論地環博第16号 / 新制||地環||44(附属図書館) / 京都大学大学院地球環境学舎地球環境学専攻 / (主査)教授 舟川 晋也, 教授 西前 出, 准教授 真常 仁志, 教授 樋口 浩和 / 学位規則第4条第2項該当 / Doctor of Global Environmental Studies / Kyoto University / DFAM
88

Microwave Remote Sensing of Saharan Ergs and Amazon Vegetation

Stephen, Haroon 17 July 2006 (has links) (PDF)
This dissertation focuses on relating spaceborne microwave data to the geophysical characteristics of the Sahara desert and the Amazon vegetation. Radar and radiometric responses of the Saharan ergs are related to geophysical properties of sand formations and near surface winds. The spatial and temporal variability of the Amazon vegetation is studied using multi-frequency and multi-polarization data. The Sahara desert includes large expanses of sand dunes called ergs that are constantly reshaped by prevailing winds. Radar backscatter measurements observed at various incidence and azimuth angles from the NASA Scatterometer (NSCAT), the ERS scatterometer (ESCAT), the SeaWinds scatterometer aboard QuikScat (QSCAT), and the Precipitation Radar (TRMM-PR) aboard the Tropical Rain Monitoring Mission (TRMM) are used to model the backscatter response from sand dunes. Backscatter incidence and azimuth angle variation depends upon the slopes and orientations of the dune slopes. Sand dunes are modeled as a composite of tilted rough facets, which are characterized by a probability distribution of tilt. The small ripples are modeled as cosinusoidal surface waves that contribute to the return signal at Bragg angles. The backscatter response is high at look angles equal to the mean tilts of the rough facets and is lower elsewhere. The modeled backscatter response is similar to NSCAT and ESCAT observations. Backscatter also varies spatially and reflects the spatial inhomogeneity of the sand surface. A model incorporating the backscatter azimuth modulation and spatial inhomogeneity is proposed. The maxima of the azimuth modulation at 33 degrees incidence angle reflect the orientation of the slip-sides on the sand surface. These slip-side orientations are consistent with the European Centre for Medium-Range Weather Forecasts wind directions spatially and temporally. Radiometric emissions from the ergs have strong dependence on the surface geometry. The radiometric temperature (Tb) of ergs is modeled as the weighted sum of the Tb from all the composite tilted rough facets. The dual polarization Tb measurements at 19 GHz and 37 GHz from the Special Sensor Microwave Imager (SSM/I) aboard the Defense Meteorological Satellite Program and the Tropical Rainfall Measuring Mission Microwave Imager are used to analyze the radiometric response of erg surfaces and compared to the model results. It is found that longitudinal and transverse dune fields are differentiable based on their polarization difference azimuth modulation, which reflects type and orientation of dune facets. Polarization difference at 19 GHz and 37 GHz provide consistent results. In the Amazon, backscatter measurements from Seasat A scatterometer (SASS), ESCAT, NSCAT, QSCAT and TRMM-PR; and Tb measurements from SSM/I are used to study the multi-spectral microwave response of vegetation. Backscatter versus incidence angle signatures of data combined from scatterometers and the precipitation radar depend upon vegetation density. The multi-frequency signatures of backscatter and Tb provide unique responses for different vegetation densities. Backscatter and Tb spatial inhomogeneity is related to spatial geophysical characteristics. Temporal variability of the Amazon basin is studied using C-band ERS data and a Ku-band time series formed by SASS, NSCAT and QSCAT data. Although the central Amazon forest represents an area of very stable radar backscatter measurements, portions of the southern region exhibit backscatter changes over the past two decades.
89

Mobile Phone Short Message Service (SMS) to Improve Malaria Pharmacoadherence in Zambia

Steury, Elinda 01 January 2014 (has links)
Malaria significantly contributes to morbidity and mortality rates in Zambia. The currently accepted malaria treatment is artemisinin-based combination therapy (ACT); it is more than 97% effective when the regimen is strictly adhered to. However, the mean ACT adherence rate in sub-Saharan Africa is only approximately 38-48%. Poor pharmacoadherence remains a significant barrier to malaria control and elimination. The purpose of this study was to determine if adherence rates to a six-dose ACT antimalarial treatment differ between patients in Zambia who received short message service (SMS) reminders and those who did not. An experimental, randomized, controlled trial was conducted to collect data from a sample of 96 adult patients with malaria who presented to Fisenge Clinic in the Copperbelt Province of Zambia. Participants were randomly assigned to a control or intervention group. The intervention group received SMS messages to remind them to take their medication according to the regimen. An electronic pillbox was used to measure pharmacoadherence for both groups, and patients were classified as probably adherent or probably non-adherent. Data were analyzed using Chi-square for association between the SMS intervention and pharmacoadherence, and logistic regression used for predictors of adherence. No significant association was found between SMS reminders and pharmacoadherence among malaria patients being treated with ACT when evaluated with respect to those who received the SMS reminders and those who did not (x2=0.19, df=1, p=0.67). Binary logistic regression indicated that there were no variables associated with adherence (p > 0.05). Findings from this study contribute to the research regarding the use of mobile phones to promote adherence. This is the first study of its kind using SMS directly to the patient for ACT adherence in sub-Saharan Africa known to the author. It is possible that the use of the electronic pillbox and/or the novelty of participating in a research study contributed to higher levels of adherence than previously found in this geographical area. While data suggested that there was no association between SMS and adherence, further research is needed to explore the value of this intervention.
90

The Governance of Irregular Migration in Southern Algeria: Politics, Smuggling and Migrant Pathways

Farrah, Raouf 13 January 2023 (has links)
This thesis assesses the governance of irregular migration and the practicalities of human smuggling in southern Algeria. It looks at the drivers, functionalities and institutions governing irregular migration and human smuggling in Algeria’s south and along its borders with Mali and Niger. After a brief overview of the history of irregular migration in the Sahara, the study analyses the mechanics and instruments through which the Algerian authorities manage irregular migration. It shows that they often attempt to play a balancing act between enforcing a hard security agenda while taking into account the role of the irregular migration economy for borderland people. Moreover, the thesis offers a micro assessment of migrant strategies and smugglers' modus operandi in the villages and cities along Algeria's borders with Mali and Niger, drawing from extensive fieldwork conducted across the region. Human smuggling appears to be a highly 'regulated activity' through a network of rules shared between the borderland actors. The study presents the features associated with the politics of informal rules of human smuggling, portraying them as contingent on their political and security environment. Finally, the research develops a chapter on the daily lives of migrants in the city of Tamanrasset, Algeria's southern main city, showing how migrants' presence shapes the city's character. It looks in particular at how lodging places, known locally as 'foyers', play an essential role in a migrant's life trajectory. Moreover, the research analyses the complex relationship between smugglers and migrants, notably via the activities of former smugglers ('passeurs') who became owners of 'foyers', playing a critical social role for new migrants.

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