Management and Administration

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Browsing Management and Administration by Subject "Artisanal Gold Mining"

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    The economic contribution of artisanal and small-scale gold mining in Uganda: a case of Mubende and Buhweju districts
    (International Journal of Technology and Management, 2016-06) Picho, Epiphany Odubuker; Nabaasa, Herbert; Ngaka, Willy
    Small-scale mining is often used interchangeably with artisanal mining, with acceptance that there is no consistent global definition for the terms. Broadly, smallscale mining refers to the exploitation of marginal or small deposits of minerals by individuals, groups or organizations with minimal or no mechanization. Smallscale mining (SM) is one of the emerging economic activities providing alternative livelihoods globally with more than 13 million artisanal and small-scale miners and about 150 million people indirectly reliant on it (ILO, 2003). In Uganda, Artisanal and Small-Scale Gold Mining is on the increase and is largely a poverty-driven activity used as a coping mechanism with thousands of local communities currently engaged in the mining practice (MEMD, 2011). The communities in the mining sites live in deplorable sanitary conditions, use toxic chemicals such as mercury in the gold extraction and have severely degraded fragile ecosystems that support their livelihoods (NEMA, 2012).
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    The Health and Ecological Implications of Mercury use in Artisanal Gold Extraction Process
    (International Journal of Technology and Management, 2018-06-12) Picho, Epiphany Odubuker; Nabaasa, Herbert; Ngaka, Willy
    This paper presents findings of the study to examine the implications of Mercury use in artisanal gold mining on the ecological systems and the miners’ health. Mercury is extensively used in gold extraction by artisans with implications on their health and the environment.Although Artisanal Gold Mining is an important economic activity that underpins the livelihoods of many people in Uganda and elsewhere in worldwide, the public health and ecological issues particularly, the mercury use in the gold extraction process are of great concern. Unfortunately, the major focus in Sub-Saharan Africa has traditionally been on large-scale mining with less interest on health, safety and environment issues in artisanal gold mining (Collier, 2010). An exploratory cross sectional study design was used to examine the implications of Mercury use in artisanal gold mining on the ecological systems and the miners’ health in the districts of Mubende and Buhweju. 384 respondents were selected from artisans, minining rights holders and local leaders. Data was collected using observation checklists, survey questionnaire, interview guide and documents review guide. The findings indicated a strong correlation between the variables of interest determined using odds ration and 95% confidence intervals. It was established that, the mining communities live in deplorable sanitary conditions, use toxic chemicals such as mercury in the gold extraction process putting their health at a great risk and have severely degraded fragile ecosystems that should support their livelihoods.In order to assess the relationship between the use mercury in gold extraction and ecological/health implications, all the factors that were significant at bi-variate level were subjected to a multivariate analysis using logistic regression model. The significant factors such as the implication of mercury use on land and water, miners’ livelihood security and food production were fitted in the model and subjected to further analysis. A Back Ward Stepwise Logistic Regression was used to control for all probable confounding variables in the test. The controls were done through model modification. The best logistic regression model fitted finally predicted the probability or chance that mercury use in gold extraction significantly affects the miner’s health and ecological value.