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1
Munyanyi, Rachael Mationesa. "The political economy of food aid: a case of Zimbabwe." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8972_1182748616.
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The food security crisis which gripped the sub Sahara Africa after the drought in 1999/2000 threatened development initiatives in these countries. Zimbabwe&rsquo
s situation has since worsened and the country has failed to recuperate from the food problems, even after an improvement in the climatic conditions. International and local food aid activities then became a priority in the fight to sustain the right to food for the affected regions. It is argued in this research that if food aid is distributed on the basis of need it will enable the vulnerable populations recuperate form food insecurity problems. It is also postulated that if well implemented, food aid programmes are also able to play the dual role of averting starvation and leading to long term development. This thesis departs from the allegations of food aid politicisation in Zimbabwe.
Using the rational choice and neopatrimonial theories of individual behaviour, this research endeavored to ascertain whether political decisions influenced the government food aid distributions which were conducted through the Grain Marketing Board. In line with these theories, it is argued in this study that politicians behave in a manner that maximizes the fulfillment of their individual needs rather than the needs of the people who vote them in positions of power.
A qualitative approach was adopted in this study and data was gathered through household interviews in the Seke and Goromonzi districts of the Mashonaland East province in Zimbabwe. Furthermore, interviews were conducted with food aid experts from the governmental and non governmental organisations dealing with food security issues in Zimbabwe.
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Ncube, Free P. "The impact of biofuels on food prices, lessons from the experiences of Brazil and U.S. (1995-2013)." Thesis, University of Fort Hare, 2015. http://hdl.handle.net/10353/2150.
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Using crops for fuel generates concerns over competition with food uses. As Rajagopal et al (2009) asserts, “In 2008 the world entered a food crisis amid record-high commodity and energy prices that induced hunger and political unrest in developing countries, by export restrictions in top grain-producing countries”. This took place at the same time when biofuel production, reached its pinnacle in developed countries. This paper examines the effect that biofuel prices and or production has had on food prices in Brazil and U.S. by employing the panel cointegration and Dynamic Ordinary Least Squares (DOLS) method of analysis. In regressing food prices as a function of demand and supply factors, such as oil prices, biofuel prices, interest rates and biofuel production, the study found that the increase in biofuels production over the past eighteen years has had a significant impact on food prices. Over the period January 1995- December 2013, the study estimates that a one hundred percent increase in biofuels production across time and between countries results in the increase of food prices by 21,9%. The study therefore rejects the null hypothesis that states, biofuel production does not have a statistically significant negative impact on food prices in U.S. and Brazil. , and accepts the alternative that biofuel production does have a statistically significant negative impact on food prices in U.S. and Brazil. Other predictors of food prices that the study revealed as significant were oil and interest rates. Policy recommendations for other countries like South Africa are therefore, made based on the results obtained.
3
Haque, Mohua. "An Empirical Analysis of U.S. Foreign Direct Investment and Exports of Processed Food Industries." Thesis, North Dakota State University, 2006. https://hdl.handle.net/10365/29869.
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This study examined the determinants of U.S. foreign direct investment (FDI) and exports of processed food. This study also examined the impact of U.S. FDI on U.S. exports on processed food. FDI and export models used for estimation in this study were based on the cost-minimizing production function. The analysis focused on ten countries for the period of 1989-2004. Four of them were Asian countries: India, Japan, South Korea, and Thailand. Six of them were European countries: Belgium, France, Germany, Italy,
Spain, and the United Kingdom. The model was estimated using the two-way error component three-stage least squares (EC3SLS) method. Results from this study show that U.S. FDI and U.S. exports of processed food are complements. Major factors affecting U.S. FDI in the processing industry are GDP, GDP per capita, exchange rate, tariff rate, labor compensation cost, interest rate, and distance. Major factors affecting U.S. exports in the processed food industry are GDP, distance, and GDP from the agri-sector.
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Budu, Ben Asare. "Economic feasibility of processing food waste and incorporating processed food waste products in least cost duck feeds." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33067.
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The focus of this thesis was to analyze the least cost of producing rations for ducks in three age categories from a mixture of conventional feed ingredients and three different processed food waste products and to examine the financial and economic feasibility of establishing an industrial plant to produce these food waste products in the Montreal region. The first part of the thesis was investigated through the use of a linear programming model. The effect of recognizing the variability of protein levels in the various feed ingredients was examined through the use of chance-constrained programming.The second part of the thesis was examined using economic and financial analyses for the investment. The basic plant requirements to produce the three processed food waste products were the same, however energy costs were different for the three products. Revenue was generated from tipping fees and the sale of the three processed food waste products. (Abstract shortened by UMI.)
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Kaschula, S. A. H. "The impact of HIV and AIDS on household food security and food acquisition strategies in South Africa." Thesis, Rhodes University, 2009. http://hdl.handle.net/10962/d1007137.
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How should the impact of HIV and AIDS on rural livelihoods be factored into efforts to monitor and stabilise household food security? With both HIV and AIDS and food security at the top of the global development agenda, this is a question posed by many scholars, practitioners, donor agencies and government departments. However, while there is an excess of discourse outlining the theoretical bases for how HIV and AIDS can, and is, radically transforming household food acquisition; there is a lack of empirical evidence from the South African context that demonstrates if, and how, HIV and AIDS changes household-level strategies of food acquisition and intake. This thesis explores the association of household-level mortality, chronic illness and additional child-dependent fostering with household experience of food security and food acquisition strategies, in three rural villages in the Eastern Cape and KwaZulu-Natal Provinces of South Africa. Qualitative and quantitative methods of data-collection were applied to 307 households in the three sites. For twelve months, both HIV and AIDS-afflicted and non-afflicted households were repeatedly visited at 3-month intervals, in order to be assessed for levels of food security, dietary intake and method of food procurement (purchased, cultivated, wild or donated). Overall, HIV and AIDS-afflicted households showed a significantly higher experience of food insecurity, probably attributable to shortages in food quantity. Dietary composition and overall diversity, however, was not significantly different. Although households with chronic illness and recent mortality showed a heightened investment in cultivation sources, the success of these strategies were to a great extent mediated by household income, and the level of medical treatment received by those who were chronically ill. Chronic illness was also associated with more donations, but these required considerable investments in social capital networks. Finally, use of wild leafy vegetables was not associated with household HIV and AIDS status, despite the financial, nutritional and labour-saving properties of these foods. Overall, the study suggests that there was little evidence of long-term planning and strategy in household food security responses. There was no evidence for shifts to labour-saving crops or foods and, in some instances, child labour was being used to ameliorate prime-adult labour deficits. Moreover, given that the vast majority (89.2%) of food groups were sourced through purchase, it is questionable whether investing in diverse food acquisition strategies would be advisable. Unless supported by medical treatment and steady earned household income, policies to promote intensified household agricultural subsistence production in the wake of HIV and AIDS are unlikely to provide households with anything more than short-term safety-nets, rather than long-term, sustainable food security solutions.
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Maundu, Maingi. "The performance of the Canadian food, beverages and tobacco processing industries : an extension of the profit-cost margin model to a pricing model." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29576.
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This study was undertaken to achieve three major objectives:
1. to estimate an econometric structure-profitability model for Canadian food, beverages
and tobacco processing industries;
2. to estimate a structure-price model of the sector to compare with the profit model; and
3. to make inferences about the performance of the sector, with reference to market power and industry efficiency.
The above objectives were accomplished by comparing empirical regression results of the two models by using the following approach. First, the statistical significance of the estimated coefficients was used to determine which factors should be considered of importance in explaining performance. Secondly, the signs on the estimated coefficients were used to determine the direction of the influence of market structure on performance. Lastly, a comparison of the size and statistical significance of the difference in the respective
coefficients was used to determine which of the two performance indexes (profitability and prices) is most affected by market structure.
From the study four broad conclusions were arrived at. Seller concentration and advertising do have an increasing effect on profitability, but this influence does not derive from market power (price increases). Instead, increases in these factors appear to promote price competition. However, tariff protection has an increasing effect on both profitability and prices. Furthermore, the net effect of tariffs is significantly larger on prices than on profitability.
Industry growth and market isolation factors have an increasing effect on profitabilty. But they have no significant influence on relative prices. Exports have a decreasing effect on profitability and prices. Increases in input prices may lead to increases in ouput prices.
Two broad implications can be drawn from the above results. First, price competition and industry efficiency can be enhanced by (either condoning or encouraging) high market shares, advertising, exports and industry growth.
Secondly, although tariffs can increase industry profitability, they may also lead to relatively larger increases in domestic output prices. Similarly, changes in input prices may lead to increases in output prices. Therefore, high tariffs and input prices may serve as barriers to competition, and allow inefficiency to persist in an industry.Land and Food Systems, Faculty of
Graduate
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Soleri, Daniela. "FOOD GARDENS AND SOME CHARACTERISTICS DISTINGUISHING GARDENING AND NON-GARDENING HOME-OWNING HOUSEHOLDS IN A LOW-INCOME CENSUS TRACT OF TUCSON, ARIZONA." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275559.
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Novie, Alexander G. "Street Level Food Networks: Understanding Ethnic Food Cart Supply Chains in Eastern Portland, OR." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/2084.
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Portland, OR, is the site of a unique urban food cart phenomenon that provides opportunities for small business ownership and access points for culturally specific food for the city's foreign-born and minority populations. Known as a "foodie haven," Portland also has an active sustainable food movement with engaged citizens and support from city and regional policies aimed at significantly increasing the consumption of local food. To date, there have been no in-depth studies on the sourcing habits of Portland food cart owners and whether or not these street-level actors are involved in the area's local alternative food movements (AFNs). The current understanding of the Portland food cart phenomenon is based on studies that have focused on carts and pods located in the central business district and "inner-ring" areas of the city. Areas beyond these locations (defined as Eastern Portland) are currently home to the majority of the city's growing foreign-born and minority populations. This thesis uses a situational analysis framework to explore the food supply practices of ethnic food cart owners operating in Eastern Portland cart pods. I investigate the feasibility of purchasing locally grown ingredients for use in ethnic cuisines and the degree to which cart owners incorporate the region's prevailing locavore ethics into their everyday culinary practices. Findings from this inquiry suggest that ethnic cart owners in Eastern Portland have a range of habitus, or personal dispositions and embodied knowledge, that is reflected in how they perceive the benefits of and barriers to "buying local" and the extent (if any) that they engage with AFNs in the Portland area. I assert that ethnic food cart owners in Eastern Portland are performing multiple community roles by providing access points for culturally specific cuisines for their particular ethnic groups, while also offering exotic experiences to other residents and tourists alike. I discuss variations within the food cart phenomenon itself by highlighting the differences in design, amenities, types of access, and neighborhood customer bases of cart pods located in Eastern Portland. Finally, I discuss future research directions for understanding the dynamics of food supply chains in small-scale, direct-to-vendor relationships and the implications for local and regional food sustainability policy goals.
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Hong, Lei, and 洪镭. "The association of dietary habits and socioeconomic factors with dietary related causes of death." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B50561674.
Full textAbstract:
Background：
Previous studies indicated that dietary habit or food-purchasing behaviors was associated with socioeconomic status. However, there is no study about potential association between social economic factors (individual and neighborhood levels) and dietary related mortality risks.
Objective:
1) To provide population based information on food consumption pattern among Hong Kong people from a diversity of socio-economic background.
2) Investigate the dietary habits and different food related death in Hong Kong people who were 65 or over.
3) Investigate the association of socioeconomic factors and food related death at individual (SES) and neighborhood (SDI) level.
Method:
The subjects we recruited in a lifestyle and mortality (LIMOR)study forall deceased people aged 65 or older. The LIMOR data was conducted by The University of Hong Kong, School of Public health in the year of 1997. I got access to part of the data for my study from the leading investigator (Dr. Daniel SY Ho). Dietary habits were measured by using semi-quantitative food frequency questions on seven most commonly consumed food groups by Hong Kong residents: vegetables, fruits, soy and dairy products fish, meat and Chinese tea.Mortality in 1998 due to non-accidental causes (ICD9: 001—799) was examined. In my study, mortality due to specific categories of cardio-respiratory causes was regarded as the case and the due to pneumonia was regarded as the control. Binary logistic regression was used for assessment of odds ratio with adjustment for confounders.
Result:
Regular consumption of fruit was significantly (P<0.01) related to lower mortality due to COPD with adjusted OR =0.77 (95%CI 0.63-0.94) and regular consumption of vegetables was significantly(p<0.05) related to lower mortality due tocolon cancer with adjusted OR =0.58 (95%CI 0. 33-1.00). Milk consumption was significantly(p<0.05) related to higher mortality for both ischemicheart disease (adjusted OR=1.25; 95%CI 1.02-1.51) and COPD (p<0.01 adjusted OR=1.37; 95%CI 1.08-1.73) for people aged over 65. In my study, fish consumption was significantly (p<0.05) associated with lower mortality due to stomach cancer with adjusted OR=0.47 (95%CI 0.30-0.75). Meat consistently showed positive correlation with all f the causes of death, however, none of them were significant. Soy consumption was consistently and non-significantly shown to have a negative association with different causes of death, except COPD. Tea was negatively associated with COPD and hypertension, though none of them were significant. For those who lived in homeowner‘s scheme house, they were more likely (p<0.05) to have hypertension (OR=1.79; 95%CI 1.03-3.13). Also for people who lived in private houses, they were more likely (p<0.05) to died from IHD (OR=1.27; 95%CI 1.09-1.60) and colon cancer (OR=1.27; 95%CI 1.01-1.59) death. People who had primary (OR=1.45; 95%CI 1.12-1.86) and secondary and above education(OR=1.27; 95%CI 1.01-1.59) had a significantly (p<0.05) association with mortality due to colon cancer. People who had low SES and lived in high SDI area were less likely (p<0.05) to die fromischemic heart disease (OR=0.41; 95%CI 0.17-0.98).
Conclusion:
In Hong Kong, people who had higher education tended to consume more dairy products than lower education group and they were more likely to die from colon cancer. People who lived in private houses had higher consumption of dairy products than those lived in public estate and they were more likely to die from IHD and colon cancer. For people who had high SES, no matter which SDI areas they lived, they tended to have a more frequent consumption of fruit, bean, dairy products and meat than those oflow SES. People who had low SES and lived in high SDI area, as we considered as the poorest people, were less likely to die withischemic heart disease.published_or_final_version
Public Health
Master
Master of Public Health
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McKoy, Shahera Diane. "The Impact of Multilateral Trade Association Membership on Agricultural and Food Trade." Thesis, North Dakota State University, 2007. https://hdl.handle.net/10365/29802.
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This thesis models trade flows between countries as a function of several variables, including those representing membership in multilateral trade agreements (MTAs). The objective of this research is to evaluate the impact of trade policies, trading costs, trade agreements and other demographic characteristics on exports of food and agriculture products. More specifically, the paper uses a gravity model augmented with three sets of dummy variables to estimate the impact of 13 trade arrangements on intra-bloc and extra-bloc trade. Results indicate that several MTAs enhance intra-bloc trading at the expense of non-members while others have been successful at increasing both intra-bloc trade and trade with the rest of the world. Findings further suggest that several arrangements had no significant effect on member trading and that a few have effectively reduced trade for members.
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Albertsen, Jo-Anne Rose. "Investigation of the effects of 2000 & 2007 flooding on food security in two East African countries." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/916.
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Flooding has been identified as the predominant, environmental generator of food emergencies. Climate change and climate variability have been blamed for these extreme weather events, which are envisioned to affect the future food security and nutritional status of populations across the African continent. It is thus expected that these weather phenomena will continue to increase in frequency and intensity as climate change progresses. Already, climate change has had a dramatic effect on the natural world with increased desertification, warming oceans, rising temperatures and changing weather patterns. In turn, this has affected agriculture and fishing, which subsequently determines the availability of food. On the contrary, weather alone, is not the sole contributing factor to problems that are associated with food security/insecurity. Elements embedded within a political, social, economical, and/or other, context also serve to contribute to how a population or individual experiences food security. It is therefore imperative that these aspects from the social or developmental arena are considered in conjunction with aspects from the natural or environmental sciences. Such a holistic approach to subjects relating to climate change and development will eventually lead to the realisation of sustainable development, which in turn serves to protect human security in the long-term. The research was primarily directed at examining how flooding affects food security and what can be done to avoid, or cope with, a potential food crisis. The above-mentioned social and developmental features shaped the scope of this research, giving rise to an investigation which transcended the confines of flooding as an independent cause and consequence of food insecurity. With East Africa as a focal point, Mozambique and Zambia emerged as the most affected countries with millions of people affected by these devastating waters in 2000 and 2007, respectively. Due to the past nature of the events, it was most appropriate to utilise statistics from sources such as existing databases, reports and articles. Some of the topics that were included in the investigation examined the causes and consequences of the flooding and the management of these disasters. These topics were scrutinised using both qualitative and quantitative dimensions of research, so that an interesting and viable study could be undertaken. ii The research found that frequent and severe flood disasters increase a population‟s vulnerability to food insecurity, as a wide variety of assets, structures and infrastructures are destroyed. However, with careful management, planning and adaptation, many of these unwanted consequences can be avoided or swiftly overcome. Both Mozambique and Zambia were found to be countries that were determined to overcome the barriers associated with climate change and its subsequent extreme weather events. This positively indicated that they were committed to the development process and the wellbeing of their populations. Apart from introducing the topic surrounding the influence of flooding on food security in East Africa, one of the main goals of this research was to gather recommendations and suggestions for avoiding or managing issues that could hamper food security. This ultimately forms an important source of reference for governmental and non-governmental institutions dealing with flooding and food security. Even though Mozambique and Zambia were chosen as the cases for investigation, many of the recommendations can be adapted and applied to countries world-wide.
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Brooks, Haydn. "The role of field and garden cultivation for food security under a changing climate: the case of Fairbairn and Ntloko villages, Eastern Cape." Thesis, Rhodes University, 2018. http://hdl.handle.net/10962/58013.
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The world is becoming more complex due to the increasing occurrence of social-ecological change. This is particularly evident in the developing world, especially on the African continent, where existing vulnerabilities (i.e. endemic poverty, weak governance, overpopulation and HIV/AIDS) are being exacerbated by the impact of climate change. Climate change poses a very real threat to millions of Africans, especially those who rely on the natural world for their livelihoods. The increasing variability of climate and rainfall patterns are said to have dire consequences on agricultural production which is the main livelihood activity of rural dwellers across the continent. The impacts of such change and variability include, changes in the frequency and intensity of droughts, flooding and heavy storms, leading to worsening soil conditions, desertification as well as disease and pest out-breaks which will likely result in reduced crop and livestock yields. A reduction in agricultural production will likely have a negative effect on the food security of millions of people. This study was conducted in the Eastern Cape of South Africa, in two rural villages, Fairbairn and Ntloko located in the former Ciskei homeland, with the purpose of exploring the nexus between climate change, cultivation and food security. This study combined social-ecological thinking with that of political ecology to create a robust lens, in which to analyse the complex interactions between humans and the environment. A mixed methods approach was used to gather the data which consisted of a household survey, using a structured questionnaire as well as semi-structured interviews with various respondents. Quantitative data were analysed using Excel and Statistica 13, whilst coding was used for qualitative data. The main aim of the study was to explore the extent and characteristics of cultivation in the two study sites, the role of household food production in food security as well as the challenges that local cultivator’s face with regards to climate change. In recent decades, there has been a decline in rural agricultural production with many fields that were previously cultivated, lying vacant and unused. However, as this study found, cultivation is still important as over 50% of sampled households cultivated a small area within the homestead. This was mainly done to supplement household food expenditure in order to save cash incomes. The results also found that although participants had perceived negative changes in climate and rainfall (amount, onset, duration), it was not considered the most important challenge for own production. Rather, lack of fencing and capital were seen as major hindrances to efficient own production. Understanding the complexity of own production and food security under a changing climate can help form better and more resilient policies and strategies for rural development, in addition to strengthening future livelihoods of rural people in an ever changing world.
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Biswas, Margaret Rose. "FAO : its history and its achievements during the first four decades, 1945-1985." Thesis, University of Oxford, 2008. http://ora.ox.ac.uk/objects/uuid:0b79db50-0d09-422e-8a11-d0ef8e9d47c3.
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Effertz, Cary Marshall. "A Reference Price Model of Sugar Consumption with Implications on Obesity." Thesis, North Dakota State University, 2007. https://hdl.handle.net/10365/29853.
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Obesity has increased dramatically in the past 25 years. The consumption of added sugar has increased significantly during the same time period. Previous research indicates a direct correlation between the consumption of added sugar and the prevalence of obesity. Sugar has been identified in multiple studies as having addictive or opiate-like qualities. Unquestionably, added sugar consumption has contributed to the current obesity epidemic. Here, we apply a reference price economic model to attempt to describe sugar consumption. Using consumption and price data from the Economic Research Service of the United
States Department of Agriculture, we made a reference price estimation of domestic refined sugar (sucrose) consumption. Using time-series econometric techniques, we tested the effects of internal and external reference prices, in the form of first differenced own price and price of other nutrient classes, respectively, on sugar demand. Results indicate that internal and, particularly, external reference prices do indeed play a role in consumption decisions. However, the model lacks socioeconomic variables that may help to provide a more complete consumption picture.
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Gomna, Ahmed. "The role of traditional aquaculture systems and fish in food security and livelihoods of fishing communities in two states in Nigeria." Thesis, University of Stirling, 2005. http://hdl.handle.net/1893/118.
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This study has examined the role of traditional aquaculture systems and fish in food security and livelihoods of fishing communities in two states in Nigeria. The research focused on the productivity, sustainability and profitability of the aquaculture systems including social and economic conditions of farmers. The study also compared the relative importance of fish as a high quality protein source with meats in fishing communities in two states in Nigeria. Data were collected from 400 farmers with modern and traditional aquaculture systems in Niger and Lagos states using semi-structured questionnaires. Modern aquaculture consisted of small fish ponds with an average size of 0.1 ha. Liming was not widespread among farmers with fish ponds but fertilisation was done before stocking by applying fertilisers of both organic and inorganic origins. Farmers (90%) obtained their seeds from the hatcheries and the average stocking density was 5730 ha-1. Polyculture was widely practised by farmers and local feeds were used in feeding fish. Fish shelters and fish fences were the traditional aquaculture systems that were widely practised in two states in Nigeria and are poorly researched and recorded. Various materials were used in the construction of traditional aquaculture systems including branches, elephant grasses, worn out tyres, PVC pipes and clay pots and, were constructed in order to aggregate fish. There was no significant (p > 0.05) difference in yield of fish from fish parks and modern aquaculture systems. The study showed that fishermen prefer fishing in the vicinity of fish parks, tube shelters and fish fences because they make more catches around the installations. Cost–benefit analysis showed that traditional aquaculture systems are profitable because the level of investment required to set and maintain them is quite low compared to returns obtained from them. Fifty actively fishing and fifty non–fishing households in traditional fishing communities were randomly selected in Niger and Lagos states for fish consumption survey. A Simple scale was designed and given to each household to measure fish or meat entering the household for consumption. Intra household fish distribution and consumption was obtained by 24 hour recall method. A large number of fish species were consumed in the fishing communities confirming the relative abundance of the species in local rivers, floodplains and lagoons. Tilapia was the most consumed fish species contributing 19 and 32% by weight of the fish consumed in Niger and Lagos state, respectively. Beef was the most consumed meat followed by goat meat. The study reveals high preference for fresh fish and meat. Highest fish consumption occurred in March corresponding to period of lowest meat consumption. Traditional aquaculture systems and capture fisheries were the main sources of fish in the fishing communities contributing 85% by weight to fish consumed. Male heads of households consumed higher amount of fish than other members of the household. Average weight of fish consumed per person per day was 24 g. Fish contributed 77% to total animal protein in diet of the people and was eaten daily by fishermen thus confirming the importance of fish in the food security of fishing communities.
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Cloutier, Martin. "Households' expenditure patterns and income distribution in the Canadian agriculture and food industries : an input-output analysis." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69544.
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The objective of the research was to demonstrate the need, feasibility and relevance of disaggregating by income group the endogenized household sector in the Canadian Input-Output (I-O) model. Personal expenditures and revenue sources were endogenized into Agriculture Canada's I-O open model. Two models were developed, Model 1 and Model 2. Model 1 was a closed model that assumed homogeneity among households. Model 2 relaxed the homogeneity assumption.The superiority of Model 2 was empirically demonstrated by comparing the economic indicators generated by the models. The indicators of interest were industrial output, GDP at factor cost and the number of paid jobs. A sensitivity analysis investigated the impact of changes in wages and salaries and final demand on the models. Larger differences were found between the models when wages and salaries were stimulated. As hypothesized, Model 1 underestimated the contribution of the lowest wages and salaries group by 19.9 percent and overestimated the impact of the higher wages and salaries group by 19 percent. A $1 million increase in the final demand for agricultural, agri-food and petrochemical products was also simulated. The largest impacts on industrial output occurred when agricultural production was shocked ( $3.8 million). This was followed by agri-food products ($3.2 million) and petrochemical products ( $2.7 million). While differences in the models' estimates were minimal when changes in final demand were simulated, Model 2 generated additional information on the distribution of income.
In conclusion, the results generated by the I-O model with the disaggregated household sector, Model 2, were consistent with budget data and economic theory.
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Sentery, Kabengele. "Prospects for market diversification in SADC for selected South African agricultural and food products." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86226.
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Thesis (MAgricAdmin)--Stellenbosch University, 2014.ENGLISH ABSTRACT: This research provides South Africa's producers and exporters with information on new market opportunities for South Africa's selected agricultural and food products in the Southern African Development Community (SADC). There is increasing global competition and countries in Africa are increasingly targeted as export markets due to its population growth and its increasing per capita income. Both developed countries and developing countries such as the United States of America, China, Brazil, India, etc. are gradually increasing their exports to Africa. In Sub-Saharan Africa, this is also taking place in SADC. In this region, there has been a significant increase in total imports from the mentioned countries from 2001 to 2013. The International Trade Centre market selection method was used for product selection (using the Export Potential Index) and country selection (using the Market Attractiveness Index). Fourteen products were selected and Angola is the most attractive market in the region (SADC) and is ranked first in the Market Attractiveness Index for seven of the fourteen selected products. The top ranking markets for the 14 selected products were identified as: Mauritius for maize, sweetened milk powder, raw cane sugar and wheat or meslin flour; Angola for fresh apples, fresh or dried oranges, sparkling wine, bulk wine, refined cane or beet sugar, frozen bovine cuts, and frozen bovine carcasses and half carcasses; Mozambique for bottled wine; and Zambia for fresh grapes and soya beans. In most cases the countries with the second and third highest rankings in the Market Attractiveness Index also offer opportunities for market diversification. South Africa exports certain products to non-African countries, whereas these non-African countries export the same products to SADC. There are therefore opportunities geographically nearer to South Africa, because South Africa could export these products to SADC. Exporters should not necessarily abandon non-African markets in order to export to SADC; however they should be aware of opportunities close by and develop strategies to maximize profit and maintain sustainable markets.
AFRIKAANSE OPSOMMING: Hierdie navorsing bied aan Suid-Afrika se produsente en uitvoerders inligting oor nuwe markgeleenthede vir Suid-Afrika se geselekteerde landbou-en voedselprodukte in die Suider Afrikaanse Ontwikkelingsgemeenskap (SAOG). Daar is toenemende globale mededinging en lande in Afrika word toenemend geteiken as uitvoermarkte as gevolg van bevolkingsgroei en die stygende per capita inkomste. Beide ontwikkelde en ontwikkelende lande soos die Verenigde State van Amerika, China, Brasilië, Indië, ens. verhoog geleidelik hulle uitvoere na Afrika. In Sub-Sahara Afrika, gebeur dit ook in SAOG. In hierdie streek, was daar „n betekenisvolle toename in invoere vanaf die genoemde lande van 2001 tot 2013. Die Internasionale Handelsentrum markseleksie metode is gebruik om produkte te kies (met die Uitvoer Potensiaal Indeks) en om lande te kies (met die Mark Aantreklikheidsindeks). Veertien produkte is gekies en Angola is die mees aantreklike mark in die streek (SAOG) en is bo-aan die lys in die Mark Aantreklikheidsindeks vir sewe van die veertien geselekteerde produkte. Die top markte vir die 14 geselekteerde produkte is geïdentifiseer as: Mauritius vir mielies, versoete melkpoeier, ruwe rietsuiker en mengkoringmeelblom; Angola vir vars appels, vars of gedroogde lemoene, vonkelwyn, grootmaat wyn, verwerkte riet- of beetsuiker, bevrore beessnitte, en bevrore bees karkasse en half karkasse; Mosambiek vir gebottelde wyn; en Zambië vir vars druiwe en vir sojabone. In meeste gevalle bied lande met die tweede en derde hoogste punte in die Mark Aantreklikheidsindeks ook geleenthede vir markdiversifikasie. Suid-Afrika voer sekere produkte uit na nie-Afrika lande, terwyl hierdie nie-Afrika lande weer dieselfde produkte na die SAOG uitvoer. Daar is dus geleenthede geografiese nader aan Suid-Afrika, want Suid-Afrika kan hierdie produkte na die SAOG uitvoer. Uivoerders moet nie noodwendig oorsese markte laat vaar om na die SAOG uit te voer nie, maar hulle moet bewus wees van nader geleenthede en strategieë ontwikkel om wins te maksimeer en volhoubare markte te handhaaf.
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Abu-Basutu, Keitometsi Ngulube. "Relative contribution of wild foods to individual and household food security in the context of increasing vulnerability due to HIV/AIDS and climate variability." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1010864.
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Wild foods are an integral component of the household food basket, yet their quantified contribution to food security relative to other sources in the context of HIV/AIDS, climate change and variability remains underexplored. This study was carried out in Willowvale and Lesseyton which are rural communities in the Eastern Cape province of South Africa. Willowvale is a relatively remote, medium-rainfall coastal community, while Lesseyton is a peri-urban low rainfall inland community. Qualitative and quantitative methods were used to collect data from 78 HIV/AIDS afflicted households with 329 individuals and 87 non-afflicted households with 365 individuals in the two study sites. Households were visited quarterly over 12 months to assess food acquisition methods, dietary intake and quality, and levels of food security, and to determine strategies employed by households to cope with droughts. The wild foods investigated were wild meat, wild birds, wild fish, wild mushrooms, wild leafy vegetables and wild fruits. Diets were moderately well-balanced and limited in variety, with cereal items contributing 52 % to total calorie intake. Mid-upper arm circumference measurements showed that all respondents were adequately nourished. The bulk of the food consumed by households was purchased, with supplementation from own production, wild vegetables and wild fruits. In Willowvale, wild vegetables comprised 46 % of overall vegetable consumption for afflicted households and 32 % for non-afflicted households, while own fruit production comprised 100 % of fruit consumption. In Lesseyton, wild vegetables comprised only 6 % and 4 % of vegetable consumption for afflicted and non-afflicted households, while wild fruit comprised 63 % and 41 % for afflicted and non-afflicted households. More than 80 % of respondents from both afflicted and non-afflicted households had sufficient daily kilocalories, although the majority of afflicted households felt they were food insecure and sometimes collected wild foods as one of their multiple coping strategies. Hunting and gathering of wild foods was associated with site, household affliction status, gender, age and season. More than 80 % of respondents ate wild vegetables and said they were more drought tolerant than conventional vegetables, making them the most consumed wild food and approximately 16 % of respondents ate wild birds, making them the least consumed wild food. Approximately 14 % of respondents from afflicted households in Willowvale sold wild fish, whilst 34 % of respondents from afflicted households and 7 % from non-afflicted households sold wild fruits in Lesseyton. Strategies adopted by households to cope with droughts were different between the two study sites, and households in Willowvale used a wider range of strategies. Given the devastating effects of HIV/AIDS coupled with the drawbacks of climate change and variability on food security, wild foods represent a free and easy way for vulnerable households to obtain food.
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Hamer, Nick, and Sheona Shackleton. "Interaction of multiple stressors: vulnerability, coping and adaptation within the context of climate change and HIV/AIDS in South Africa: Investigating strategies to strengthen livelihoods and food security and build resilience." Rhodes University, 2014. http://hdl.handle.net/10962/50065.
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Government policy development and implementation is often designed to address different sectors of society in isolation, so social, economic and environmental issues are considered as being distinct from one other. Recently it has been acknowledged that 'working in silos' is not conducive for good governance and so efforts have been made for better co-ordination between different government departments and different spheres of government. Our research findings show the knock on effects of one problem into other areas of people's lives, highlighting why it is vital for policies and programmes to be far better co-ordinated. The different challenges and stresses that people face in their lives interact with one another in complex ways, undermining their capacity to cope with and adapt to future changes, such as those expected under climate change.
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Lewis, Andrew (Andrew Michael). "Using Stochastic Optimization and Real-Options Models to Value Private Sector Incentives to Invest in Food Protection Measures." Thesis, North Dakota State University, 2006. https://hdl.handle.net/10365/29905.
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Agro-terrorism has become a major concern since the September 11, 2001, terrorist attacks due to characteristics that create unique problems for managing the threat of an agro-terrorist attack. The costs of trucking delays alone were in the tens of millions of dollars. Over the last few years, the government has spent billions of dollars on biological surveillance and record keeping in preventing potential attacks. Several public and private initiatives are currently in use. Examples include 1) the bio-terrorism regulation of 2004 on maintenance of records; 2) establishment of food protection centers for research and teaching excellence; and 3) investments in emerging technology, such as radio frequency monitoring (RFEM) technology, with the potential to track shipments and provide real-time data that can be used to prevent agro-terrorism risks along food supply chains. This thesis addresses the costs and risk premiums associated with alternative tracking strategies, where and when along the milk supply chain these strategies will reduce the most risks, and what policy implications are associated with the most costeffective tracking strategy. To accomplish these objectives, stochastic optimization is used to determine the costs and risk premiums of alternative tracking strategies. Next, the realoptions method along with a portfolio of options, also referred to as the "tomato garden" framework, is used to determine where and when alternative intervention strategies should be implemented to reduce the most risks. Finally, policy implications are derived on the cost-risk tradeoffs, probability of attacks, and containment efforts if there is an attack by using game theory to determine the incentives needed to motivate participants in the milk supply chain to invest in security measures.
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Lewis, Andrew Michael. "Using Stochastic Optimization and Real-Options Models to Value Private Sector Incentives to Invest in Food Protection Measures." Thesis, North Dakota State University, 2006. https://hdl.handle.net/10365/29905.
Full textAbstract:
Agro-terrorism has become a major concern since the September 11, 2001, terrorist attacks due to characteristics that create unique problems for managing the threat of an agro-terrorist attack. The costs of trucking delays alone were in the tens of millions of dollars. Over the last few years, the government has spent billions of dollars on biological surveillance and record keeping in preventing potential attacks. Several public and private initiatives are currently in use. Examples include 1) the bio-terrorism regulation of 2004 on maintenance of records; 2) establishment of food protection centers for research and teaching excellence; and 3) investments in emerging technology, such as radio frequency monitoring (RFEM) technology, with the potential to track shipments and provide real-time data that can be used to prevent agro-terrorism risks along food supply chains. This thesis addresses the costs and risk premiums associated with alternative tracking strategies, where and when along the milk supply chain these strategies will reduce the most risks, and what policy implications are associated with the most costeffective tracking strategy. To accomplish these objectives, stochastic optimization is used to determine the costs and risk premiums of alternative tracking strategies. Next, the realoptions method along with a portfolio of options, also referred to as the "tomato garden" framework, is used to determine where and when alternative intervention strategies should be implemented to reduce the most risks. Finally, policy implications are derived on the cost-risk tradeoffs, probability of attacks, and containment efforts if there is an attack by using game theory to determine the incentives needed to motivate participants in the milk supply chain to invest in security measures.
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Machado, Flavia Mori Sarti. "Estratégias de concorrência da indústria alimentícia e seus desdobramentos na dimensão nutricional." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/89/89131/tde-19072006-155322/.
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O objetivo da tese é analisar a relação entre modificações no padrão alimentar da população da cidade de São Paulo (demanda por alimentos) e padrão e intensidade da concorrência no setor alimentício (oferta de alimentos). Metodologia. Dados das Pesquisas de Orçamentos Familiares da Fundação Instituto de Pesquisas Econômicas da USP constituem a base analítica da evolução da demanda alimentar em São Paulo. O nexo causal entre demanda e oferta de alimentos é estabelecido pelo estudo do comportamento dinâmico da concorrência entre firmas do setor, número de produtos disponíveis, evolução dos preços e renda da população. O foco em laticínios deve-se à importância nutricional como fonte alimentar de cálcio. Resultados. A análise dos dados comprova a ocorrência de importantes mudanças no padrão alimentar paulistano, destacando-se elevação da disponibilidade de alimentos de alto teor protéico. A dinâmica da concorrência entre empresas de alimentos e a evolução dos preços dos laticínios denotam o emprego de estratégias de concorrência extra-preço, como diferenciação de produto, que influenciaram positivamente a demanda por laticínios. Conclusão. A adequação nutricional da dieta populacional é função direta da composição da demanda alimentar, variável altamente correlacionada a fatores econômicos, com destaque ao comportamento estratégico das firmas na determinação da estrutura de oferta alimentar. Os resultados demonstram a extensão da influência de estratégias de empresas alimentícias sobre o padrão de aquisição de alimentos pelo consumidor e, em conseqüência, o hábito alimentar da população.The objective of the dissertation is to analyze the relation between modifications in dietary patterns of the population living in the city of São Paulo - Brazil (food demand) and pattern and intensity of the competition inside Brazilian food industrial sector (food supply). Methodology. Data from Families Budget Inquiry (POFs) of Foundation Institute of Economic Research from University of São Paulo (FIPE-USP) are the analytical base of food demand evolution in São Paulo. The causal nexus between food demand and supply is established through the study of dynamic behavior of variables as competition among food firms, number of food products available, evolution of food prices and population income. The focus on dairy products\' sector was performed because of its nutritional significance as food source of calcium. Results. Data analysis demonstrates occurrence of important changes in dietary patterns in São Paulo, emphasising the increase in high protein foods availability. The dynamics of food industrial sector competitive environment and the dairy prices evolution indicate the adoption of non-price competition strategies, such as product differentiation, which influenced positively dairy demand. Conclusion. Nutritional adequacy of the population\'s diet is a direct function of food demand composition, a variable highly correlated to economic factors, highlighting the role of firms strategic behavior in determining the food supply structure. Results show the extension of food firms strategies influence on consumers\' buying patterns and, therefore, on population\'s dietary habits.
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Kachere, Wadzanai. "Informal cross border trading and poverty reduction in the Southern Africa development community: the case of Zimbabwe." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/500.
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This study investigates the impact of informal cross border trading on poverty reduction in Zimbabwe. In the context of this study, the term Informal Cross Border Trade (ICBT), is used to describe the activities of small entrepreneurs who are involved in buying and selling across national borders. The study focuses on whether the stated activities are lifting those participating out of poverty. The research problem is examined through an assessment of the income levels, assets acquirement, expenditures patterns, food security and family relations. The hypotheses tested in the research are that, “The extent of ICBT is significant in Zimbabwe; ICBT in the Southern Africa region is mainly dominated by women; and that ICBT contributes positively to poverty reduction”. In this context, poverty reduction is said to have occurred when informal cross border trading would have resulted in an improvement in the socio-economic wellbeing of traders‟ households. The Poverty Datum Line (PDL) is used as the measure of households‟ well-being. To assess the impact of ICBT on well-being, a survey was conducted whereby in-depth interviews using the questionnaire method were used to collect primary data. Secondary information was obtained from documentary searches at institutions and also using internet searches. From this study it has been found that ICBT has both positive and negative impacts with regard to social welfare. With regard to economic welfare, based on poverty indicator measures used in the study, ICBT contributes positively to Poverty Reduction. Thus the analysis revealed that informal cross border trade plays an important role in alleviating economic hardships, reducing poverty and enhancing welfare and human development in Zimbabwe.
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Mashamaite, Kgalema Abbyton. "The contributions of smallholder subsistence agriculture towards rural household food security in Maroteng Village, Limpopo Province." Thesis, University of Limpopo, Turfloop Campus, 2014. http://hdl.handle.net/10386/1099.
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Thesis (MDev.) -- University of Limpopo, 2014Smallholder subsistence agriculture is regarded as an approach that can be adopted by poor rural households to meet their food and nutritional requirements. The practice of smallholder subsistence agriculture is a basis upon which poor households can enhance their household food security through increased incomes and food supply, ultimately generating extra income for other household needs. The present study discusses and analyses the importance of smallholder subsistence agriculture as an effective method easily available to households residing in rural areas to access food and incomes for household purposes. Hence, the study seeks to explore and analyses the role of smallholder subsistence agriculture in contributing to household food security in rural areas. Both primary and secondary data have been used to analyze the factors for the purpose of the study. The primary data were collected through a designed survey questionnaire administered to sampled smallholder subsistence farmers in the study area. This study used purposive sampling technique, through a transect walk, to draw households involved in smallholder subsistence agriculture in Maroteng Village. From the total population in the study area, only 100 households were selected for the purposes of the study. Both descriptive and qualitative techniques were used to analyze salient variables of the practice in order to give an insight of the important role the sector can play in addressing poverty, enhancing incomes and creating employment, consequently contributing to household food security in rural areas. The study shows that the participation on smallholder subsistence farming by households in rural areas could have positive impact on food security situations.
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Lehrke, Linda. "Determining and Evaluating Cost-Effective Food Safety Risk Reduction Strategies at Retail Meat Facilities." Thesis, North Dakota State University, 2006. https://hdl.handle.net/10365/29906.
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In spite of the documented success of Pathogen Reduction and Hazard Analysis and Critical Control Points (PR/HACCP) at the processing level, farm-level and retail-level application is optional. Several factors impact the gap of food safety regulations from farm to fork. This thesis focuses on the retail level. At the retail level, pathogen survival and the associated ability to cause further disease to humans even after being subjected to certain processing and packaging conditions have varying implications on the probability of sickness or death. This issue also arises over the fact that, sometimes, appropriate handling and processing instructions are not properly followed by consumers. The primary goals of the project are to develop an optimal food safety intervention strategy that incorporates risk, cost, and the value of pathogen reduction with alternative control mechanism. We wish to evaluate incentives for PR/HACCP-like planning and adherence to best management practices that promote safe food production. These incentives will be evaluated for the retail level. In addition, we will develop optimal intervention strategies for ready-to-eat meats and poultry products that incorporate risk assessment, cost of intervention, and the value of risk reduction of alternative strategies for the farm-to-table continuum. The model adopted in this study is an expansion of the stochastic optimization model developed by Nganje, Kaitibie, and Sorin (2005) to include the optimal intervention strategy at the retail ( consumer) level. These components are simulated with firm-level microbial data at the processing and retail level using stochastic optimizer software. Stochastic dominance was also used to compare across the optimal strategies and determine if there is one clear choice that is preferred. This allowed us incorporate risk preferences of firms. The scenario method was used to determine what factors would likely affect the adoption of PR/HACCP at the retail level. Finally, this thesis provides firms and policymakers a direction for future options concerning risk mitigation strategies.
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Schulschenk, Jess. "Benefits and limitations of local food economies to promote sustainability : a Stellenbosch case study." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4188.
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Thesis ((MPhil (Sustainable Development Management and Planning))--University of Stellenbosch, 2010.ENGLISH ABSTRACT: The main aims of this thesis were to investigate the benefits and limitations of local food economies in promoting sustainability through a review of the literature and an assessment of the current status of the food production, distribution and consumption in Stellenbosch in order to make recommendations for promoting greater sustainability through Stellenbosch‟s food system. A review of the literature found that the modern food system has promoted the externalisation of social and environmental costs to the detriment of food, livelihood and environmental security for communities across the world. Whilst localisation of the food system does not conclusively result in reduced contributions to greenhouse gas emissions, it tends to promote greater sustainability through the building of community networks and embeddedness that increase the potential for strengthening community resilience, accountability and the internalisation of social and environmental costs. Challenges in the near future of population growth, urbanisation, climate change, intensifying environmental degradation and peak oil are expected to drastically alter the ways in which we are able to produce and distribute food. Local food economies are presented as an alternative food system that builds social, economic and environmental capital at a community level whilst increasing community resilience to future shocks and threats. Research into the current status of production, distribution and consumption for Stellenbosch found that the region currently produces predominantly wine grapes and other deciduous fruit for export, whilst relying on imported food produce from other regions for consumption. High levels of food insecurity are recorded for areas within Stellenbosch and findings are presented on the food requirements for a nutritionally optimal diet for the region. Productive potential of the land and urban zones are translated into potential yield and compared with current and nutritionally optimal food demand. The findings suggest that Stellenbosch has the potential to produce enough food to meet all local requirements (both current and nutritionally optimal) but this would require drastic shifts in land use. A discussion is presented on optimal land use, comparing production of wine grapes for export with food production for local consumption. The conclusions drawn from the thesis suggest that in the context of current food, livelihood and environmental insecurity and future vulnerability as a result of increasing demand, climate change and peak oil, local food economies have a vital role to play in promoting sustainability. Stellenbosch is currently vulnerable with a high dependency on export markets for local produce and imported produce for local consumption. Building a stronger local food economy in Stellenbosch has the potential to create opportunities to address challenges of poverty and inequality, build resilience and promote environmental sustainability. The recommendations of the thesis are to boost local production of key food crops suitable to the region, actively invest in the strengthening of local distribution networks that connect local producers more directly to local consumers and to build a local food movement with consumers through education and awareness. Several opportunities for further scholarship are presented.
AFRIKAANSE OPSOMMING: Die hoofdoel van hierdie tesis is om voedselekonomieë as 'n instrument van volhoubaarheid aan te moedig. Spesifiek gekose literatuur en 'n ondersoek na die huidige voedselproduksiesituasie, verspreiding en die verbruik van voedsel in Stellenbosch is gebruik om voorstelle te maak vir verhoogde volhoubaarheid in die toekoms deur die gebruik van die voedselsisteem in Stellenbosch. Uit die literatuurstudie is gevind dat moderne voedselsisteme neig na die eksternalisasie van sosiale- en omgewingskostes en dus die sekuriteit van voedsel, lewensonderhoud en 'n gesonde omgewing vir gemeenskappe reg oor die wereld bedreig. Die lokalisering van voedselsisteme beteken nie noodwendig dat die vrystelling van uitlaatgasse wat tot aardverwarming bydra verminder word nie, maar dit dra wel by tot volhoubaarheid deur gemeenskapsnetwerke en gemeenskapsbande te versterk. Sterker gemeenskappe dra verder by tot meer veerkragtige herstel en moedig aanspreeklikheid en die internalisasie van sosiale- en omgewingskostes aan. Uitdagings in die nabye toekoms, soos populasiegroei, verstedeliking, klimaatsverandering, die intensifisering van omgewingsdegradering en die olie-piek, gaan die manier hoe voedsel geproduseer en versprei word drasties verander. Plaaslike voedselekonomieë word dus as 'n alternatiewe voedselsisteem voorgestel, omdat dit sosiale-, ekonomiese- en omgewingskapitaal opbou op gemeenskapsvlak en dit 'n meer veerkragte herstelvermoë gee om effektief te reageer op toekomstige skokke en bedreigings. Navorsing oor die huidige produksie, verspreiding en gebruik van voedsel in Stellenbosch het bevind dat die streek hoofsaaklik wyndruiwe en ander sagte vrugte produseer vir die uitvoermark, terwyl dit op invoere staatmaak vir plaaslike gebruik. Hoë vlakke van voedselonsekerheid in areas in en om Stellenbosch is aangeteken en die bevindinge word aangebied in terme van die optimale voedsame dieet vir die omgewing. Die potensiaal vir die produktiwiteit van landelike en stedelik gebiede in Stellenbosch word vertaal as die potensiële oes en word vergelyk met huidige en die optimale voedsame voedsel aanvraag. Daar is in die navorsing bevind dat Stellenbosch die potensiaal het om genoeg voedsel te produseer om in alle plaaslike vereistes (beide huidiglik en optimaal voedsaam) te voldoen, met 'n drastiese verandering in grondgebruik. Voorstelle word v gemaak oor die optimale gebruik van grond deur die produksie van wyndruiwe vir uitvoer te vergelyk met voedselproduksie vir plaaslike gebruik. Die gevolgtrekkings dui daarop dat die huidige voedsel-, lewensonderhoud- en omgewingsonsekerheid, tesame met 'n toekomstige kwesbaarheid as gevolg van verhoogde aanvraag, klimaatsverandering en die olie-piek, beteken dat plaaslike ekonomieë 'n belangrike rol gaan speel in volhoubaarheid. Stellenbosch is tans kwesbaar omdat dit staatmaak op uitvoer van plaaslike produkte en op ingevoerde produkte vir plaaslike gebruik. Deur 'n sterker plaaslike voedselsisteem te bou, kan Stellenbosch geleenthede skep om armoede en ongelykheid aan te spreek, 'n veerkragtige herstelvermoë te bou en omgewingsvolhoubaarheid aan te moedig. Die voorstelle in hierdie tesis sluit in om plaaslike produksie van sleutel voedselgewasse wat volhoubaar is te verhoog, om aktief te bele in die versterking van plaaslike verspreidingsnetwerke wat plaaslike produseerders en gebruikers direk verbind en om 'n plaaslike voedselbeweging daar te stel deur gepaste opvoeding en bewusmaking. Verskeie geleenthede bestaan vir verdere navorsing.
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Mukarumbwa, Peter. "Potential of sorghum and finger millet to enhance household food security in Zimbabwe's semi-arid regions: a case study of communal areas in Masvingo Province." Thesis, University of Fort Hare, 2009. http://hdl.handle.net/10353/368.
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Successive droughts, in Zimbabwe compounded by other economic shocks in recent years have resulted in decreased maize productivity amongst the communal farmers most of whom reside in regions IV and V which are considered semi-arid. This has given rise to the need to find alternative food crops, which may be suitable for these areas. Generally, research in the world indicates that sorghum and millet have the potential to end chronic food insecurity in semi-arid areas because of their drought tolerance. Whilst this might be the case, research, government policy and assistance from non-governmental organizations on food crop production in Zimbabwe have shown a continual inclination to maize production in semi-arid areas. However, maize is regarded as a high risk crop in these regions. The main objective of the study was to investigate major factors affecting smallholder farmers in semi-arid areas, from increased production of small grains, specifically sorghum and finger millet. The study was conducted in two rural districts of Masvingo and Gutu, which lie in natural region IV in Masvingo Province. The questionnaire was used as the main tool of inquiry to gather data from households in selected villages within these districts. Questionnaires were administered through face-to-face interviews. The total sample size was 120. The logistic regression model was used to analyze data. The results revealed that, at the 5% level, labour, cattle ownership, farm size, age, extension, yields and access to credit significantly influence sorghum and finger millet production. These findings suggest that an adjustment in each one of the significant variables can significantly influence the probability of participation in small grain production. In view of these research findings, a policy shift that encourages increased production of finger millet and sorghum in Zimbabwe‟s semi-arid regions is proposed. It is suggested that this may increase household food security in these regions.
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Metelerkamp, Luke. "Commercial agriculture in the Swartland : investigating emerging trends towards more sustainable food production." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6716.
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Thesis (MPhil)--University of Stellenbosch, 2011.ENGLISH ABSTRACT: The aim of this thesis was to determine whether or not examples exist of commercial grain farmers in the Swartland region of South Africa moving away from high-external-input agricultural production systems towards production systems based on ecologically restorative partnerships with soils and other natural systems. The research also sought to understand why these farmers were changing their approach to farming, as well as investigating the specific technologies and practices they were implementing in order to achieve these changes. In addition, the thesis also considered the theoretical implications of these changes on food security in the Western Cape. Three research approaches were employed: qualitative case studies of seven progressive farmers in the region; a literature review; and an analysis of secondary data. Throughout these three approaches, Swilling and Annecke’s conceptualisation of a multifaceted global polycrisis was used as a conceptual reference point. This was done with the intention of providing an agricultural analysis which looks beyond the farm gate and takes cognisance of the broader socio-ecological issues which affect and are affected by agriculture. The research identified seven farmers who are shifting towards lower-external-input production methods, which focus on enhancing beneficial partnerships with natural systems. The on-site interviews and observations revealed that the degree to which these seven farmers were altering their practices varied significantly. However, four key technologies and practices were identified as being common to all seven farmers: the use of legume rotations, reduced tillage, new styles of planters and increasing farm size. With regard to food security, the research suggested that current changes in these farmers’ agricultural practices could assist in keeping food prices and food production levels more stable in future, compared to production using high-external-input practices previously employed by the farmers. The potential improvement in production stability was shown to result mainly from improvements in soil health, as these improvements give crops increased resilience to unfavourable weather conditions, greater disease-resistance and improved vitality. The potential improvement in price stability stemmed predominantly from increased input-use efficiency and the utilisation of natural fertility and pest-management practices which were less susceptible to monopolistic input sales structures, international shortages and the increasing cost of fossil fuels. Due to the small size of the case study sample and the fact that this research focussed specifically on farmers who were considered progressive, the findings presented in this thesis cannot be viewed as representative of the larger agricultural region. The intention was rather to establish the positive changes currently underway, in order to provide useful pointers for similarly beneficial changes to be implemented elsewhere.
AFRIKAANSE OPSOMMING: Die doel van hierdie tesis was om vas te stel of voorbeelde bestaan van kommersiële graanboere in die Swartlandgebied van Suid Afrika wat wegbeweeg van hoë-eksterne-inset produksie sisteme na sisteme wat gebasseer is op vennootskappe met grond en ander natuurlike sisteme. Die doel van dié vennootskappe isom ekologiese herstellingte bewerkstellig. Die navorsing het ook gepoog om te verstaan hoekom hierdie boere hulle boerderytegniekeverander; spesifieke tegnologieë en praktyke wat gebruik word om verandering mee te bringis ondersoek. Daarenbowe oorweeg hierdie tesis ook die teoretiese implikasies van die veranderings op voedselsekuriteit in die Wes-Kaap. Drie navorsings benaderings is te werk gestel: kwalitatiewe gevallestudies van sewe vooruitstrewende boere in die area; ‘n literatuurstudie; en ‘n analise van sekondêre data. Swilling en Annecke se konsepsualisering van die veelvoudig-gefasetteerde globale polikrisis is deurlopend gebruik as ‘n konsepsuele verwysingspunt. Dit is gedoen om‘n boerdery analise daar te stel wat verby die plaashek kyk na wyer maatskaplike en ekologiese kwessies wat ‘n wederkerige verhouding met boerdery het. Die navorsing het sewe boere geidentifiseer wat na laer-eksterne-inset produksie metodes beweeg. Hierdie metodes fokus daarop om voordelige verhoudings met natuurlike sisteme te versterk. Onderhoude en waarnemings op die plase het vasgestel dat die graad van praktykverandering merkwaardig tussen die sewe boere verskil. Nietemin, vier gemeenskaplike sleuteltegnologieëenpraktyke is geidentifiseer: die rotasie van peulgewasse, verminderde grondbewerking, nuwe plantermodelle en die vergroting van plaasgroottes. Met betrekking tot voedselsekuriteit vind die navorsing dat huidige veranderings in die wyse waarop geboer word, in vergelyking met die voorafgaande hoe-eksterne-inset produksie praktyke, kospryse en produksievlakke kan stabiliseer. Die navorsing wys daarop dat ‘npotensiële verbetering in produksie stabiliteit ‘n uitkoms van gesonder grond is. Gesonder grond verhoog gewasse se vermoëom effektief op ongunstige weerkondisies te reageer, bevorder hulle pes-afweringvermoë en verbeter die lewenskragtigheid van gewasse. Die potensiele verbetering in die stabiliteit van pryse is ‘n nagevolg van meer effektiewe gebruik van insette en die gebruik van natuurlike vrugbaarheid en pesbestuurpraktyke wat minder vatbaar is vir monopolistiese inset-verkoopstrukture, internasionale tekorte en die prysverhoging van fossielbrandstowwe. Na aanleiding van die klein skaal van die gevallestudies en die feit dat die navorsing spesifiek gefokus het op vooruitstrewende boere, verteenwoordig die bevindings in hierdie tesis nie die omliggende landbou area nie. Die veronderstelling was eerder om die positiewe veranderings wat tans onderweg is vas te stel om sodoende bruikbare advies aan soortgelyke voordelige veranderings wat elders geimplementeer kan word te verskaf.
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Vermeulen, Cornel. "Evaluation of the determinants of improved food security in South Africa by 2030." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/17472.
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Thesis (MPhil)--Stellenbosch University, 2011.Africa is the continent where home sapiens was born and with its worn out soils, fitful rain and rising population could very well provide a glimpse of our species’ future. The trends that are behind the current deterioration in food security go far beyond agriculture itself. South Africa is food secure at a national level and has been meeting its food needs from domestic sources in the past twenty years. However, in spite of its food secure status, 35% or 14.3 million South Africans are vulnerable to food insecurity. Food security challenges appear to be considerable against a backdrop of a South Africa being a net importer of wheat together with local cereal production that can fluctuate by up to 36% between years. It is unknown to what extend the true impact of climate change might affect this and other agricultural activity; a declining indigenous population as the HIV/AIDS pandemic takes effect; a population poorly endowed with an entitlement to gain access to sufficient food and nutrition; a dependency on oil for energy resulting in an outflow of foreign exchange, expensive agriculture and agricultural crops changed into fuel crops and markets that allocates the limited resources, but not feeding the needy poor. Considering the above, the determinants of food security for South Africa were grouped under the following headings: - Entitlement - Demography - Agriculture - Energy - Climate change - Markets. Nobody who has money to pay for food is starving therefore, given the pervasiveness of malnutrition, the money made by merchants in the food trade does seem an affront to common notions of economic justice. The economic and political point is missed when merchants are blamed for conditions that promoted huge food imports and malnutrition. Merchants are not interested in famine but in commercial markets. These merchants thrive upon a system that excludes the hungry. Recent protectionist behaviour by food export countries and the structural shift in the demand of food require South Africa to evaluate its food security determinants. South Africa requires accurate policies to guide its food security efforts towards 2030.
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Jern, Isacsson Gretha, and Robin Emilie Elfsberg. "Rösterna bakom den blågröna vågen och jordbruksrevolutionen - Alternativ livsmedelsproduktion i prat och praktik." Thesis, Malmö universitet, Fakulteten för kultur och samhälle (KS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-22319.
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Sveriges livsmedelssystem står inför stora utmaningar såsom negativ miljöpåverkan och beroendet av att importera både livsmedel och insatsvaror. Livsmedelsproduktionen, som idag domineras av det konventionella jordbruket, har bland annat inneburit utarmade jordar och exploaterade resurser samt utsläpp av gifter. Studien syftar till att sammanställa och jämföra den vetenskapliga forskningen och samhällsdebatten angående alternativ livsmedels-produktion. Studien är avgränsad till att redogöra för produktionssystemen regenerativa jordbruk och akvaponiska system. Den vetenskapliga forskningen angående regenerativa jordbruk och akvaponiska system sammanställdes i ett kunskapsläge. En kvalitativ innehållsanalys utfördes för att identifiera och sammanställa samhällsdebatten kring systemen. Samhällsdebatten rörande de två alternativa livsmedelsproduktionssystemen bildade följande teman: den samordnande rösten, den offentliga rösten, forskarens röst, den operativa rösten, samt den övriga rösten. Inom dessa teman identifierades följande sex kodord: livsmedelsförsörjning, miljömässiga aspekter, ekonomiska aspekter, sociala aspekter, utmaningar samt möjligheter. I vår undersökning har vi inte formulerat några nya begrepp, däremot har vi funnit samband såväl som avvikelser och glapp mellan samhällsdebatten och den vetenskapliga forskningen.Sweden's food system faces major challenges such as negative environmental impact and is dependent on importing both food and intermediate goods. Food production, which today is dominated by conventional agriculture, has meant, among other things, depleted soils and exploited resources as well as emissions of toxins. This study aims to compile and compare the scientific research and the public debate regarding alternative food production systems. The study is limited to account for the production systems regenerative agriculture and aquaponic systems. The scientific research regarding regenerative agriculture and aquaponic systems was compiled in a state of knowledge. A qualitative content analysis was performed to identify and compile the public debate about the systems. The public debate concerning alternative food production systems formed the following themes: the coordinating voice, the public voice, the researcher's voice, the operational voice, and the miscellaneous voice. Within these themes, the following six code words were identified: food supply, environmental aspects, economic aspects, social aspects, challenges and opportunities. In our study, we have not formulated any new concepts, however, we have found connections as well as discrepancies and gaps between the public debate and the scientific research.
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Corley, Jeanette Perkinson. "Factors influencing Virginia WIC program participants in their decision not to breastfeed." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/74532.
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This study was conducted to investigate why women participating in the WIC Program chose bottlefeeding rather than breastfeeding. Additionally, this investigator sought to determine the extent of prenatal education provided on the topic of breastfeeding within the health department population versus private care patients.
An anonymous survey was administered by WIC nutritionists in the state of Virginia to mothers of newborns who were bottlefeeding. A total of 152 women completed questionnaires which were analyzed. Data were subjected to Chi-square analysis to determine association between demographic variables and specific reasons identified for not choosing to breastfeed. Source and type of prenatal education on the topic of breastfeeding was also examined.
The majority of the respondents were black women under age 25 with no more than a high school education. Many of the women were not married and most received prenatal medical care at their local health departments.
Results indicated that women attending health department clinics received more prenatal education on the topic of breastfeeding than did those attending private physicians. The main reasons cited for not choosing to breastfeed were related to the perceived inconvenience of breastfeeding. This was especially true for those who had less than a high school education.
Younger women appeared to be more concerned that breast size would affect their ability to successfully breastfeed. These same women were also concerned with being able to return to school. White women were more concerned about returning to work than were blacks. Marital status, or living arrangements seemed to be related to fear of embarrassment; married women were less concerned about this than the other groups.
It is the hope of this researcher that the information gathered in this study can assist in developing education and intervention programs which may help to increase the incidence of breastfeeding among the WIC Program population.Master of Science
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Olufunsho, R. T. "The new partnership for Africa's development (NEPAD) and food security : reviewing the activities of the Comprehensive Africa Agrigulture Development Programme (CAADP)." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/5044.
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Thesis (MBA (Business Management))--University of Stellenbosch, 2009.ENGLISH ABSTRACT: The Comprehensive Africa Agriculture Development Programme (CAADP) represents the New Partnership for Africa’s Developments’ (NEPAD) framework for revitalising Africa’s agriculture. Improving agricultural performance is at the heart of improved economic development and growth. NEPAD believes that agriculture will provide the engine for growth in Africa. The CAADP framework was developed by the NEPAD Steering Committee in collaboration with the Food and Agricultural Organisation (FAO) of the United Nations. It also includes the contributions of other institutions such as the International Fund for Agricultural Development (FAD), the World Food Programme (WFP), the World Bank, and the Forum for Agricultural Research in Africa (FARA). The CAADP focused on investments in four pillars that can make the earliest difference to Africa’s agricultural crisis. These mutually reinforcing pillars were expected to bring about improvements in terms of Africa’s agriculture, food security, and trade balance. This will ultimately enable Africa to reach its Millennium Development Goal of reducing hunger and poverty by half by 2015 (WDR). For the purpose of this particular study, the first investment pillar, which is water and land management, will be scrutinised extensively, as this is critical to achieving the so much talked about food security. The study will utilise both secondary and primary documents of NEPAD. More specifically the implemented water and irrigation projects in the East and West Africa countries will be reviewed to determine success in African agricultural development under NEPAD. It will identify specifically water management projects already implemented and those already initiated, and find out whether the CAADP is set to deliver the Millennium Development Goal.
AFRIKAANSE OPSOMMING: Die ‘Omvattende Landbou Ontwikkelingsprogram’ (CAADP) is die raamwerk van NEPAD se pogings om Afrika se landbousektor te hergenereer. Verbeterde landbou is die kern van verbeterde ekonomiese groei en ontwikkeling in Afrika. Trouens, NEPAD glo dat landbou die dryfkrag van Afrika se ekonomiese groei sal wees. Die CAADP-raamwerk is ontwikkel deur NEPAD se leierskap, in noue samewerking met die Verenigde Nasies se Voedsel en Landbouorganisasie (FAO). Die raamwerk sluit ook in bydraes van ander liggame, soos die Internasionale Fonds vir Landbouontwikkeling (FAD), die Wêreldvoedselprogram (WFP), die Wêreldbank en die Forum vir Landbounavorsing in Afrika (FARA). Die CAADP fokus op vier investeringspilare wat Afrika se landboukrisis van onder af kan aanpak. Hierdie interafhanklike pilare is veronderstel om Afrika se landbou, voedselversorging en handelsbalans gelyktydig aan te pak. Hierdie stappe behoort te help dat Afrika die Millennium Ontwikkelingsoogmerk (nl. ‘n halvering van honger teen 2015) te bereik. In hierdie studie val die klem op die eerste pilaar, nl. water en grondbestuur, as voorwaarde vir voedselsekuriteit. Die studie maak gebruik van sowel primêre en sekondêre dokumentasies van NEPAD, met besondere fokus op water en besproeiingsprojekte in Oos- en Wes-Afrika. Daar word gekyk na spesifieke projekte wat reeds bestaan en wat geïnisieer is, ten einde die sukses van CAADP te bepaal.
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Mtshisazwe, Mvuyisi Steven. "Investigation of the failure of critical food security community gardens as poverty alleviation projects in Cape Town." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2678.
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Thesis (MTech (Business Administration in Project Management))--Cape Peninsula University of Technology, 2018.The purpose of this study was to investigate the failure of critical Food Security Community Gardens as poverty alleviation projects in Cape Town. Community garden projects have been used as poverty alleviation many years ago and as it are today. Community garden projects provide food like, fresh vegetables, fruits, grain, and other natural products such as wood, flowers and herbs for poor communities. The unemployment rate in South Africa is an ongoing issue; however this has made the South African government to an emphasis on community garden projects. Although there has been a commitment by South African government to promote use of community garden projects to address food insecurity, however food security still remain a major developing problem in this country. The objectives of this study were to identify aspects that may contribute to failure of critical Food Security Community Gardens as poverty alleviation projects. To identify critical success factors related to community garden projects. To address the issue of food insecurity cape flats residents in Cape Town. To find a solution to failure of critical Food Security Community Gardens as poverty alleviation. A questionnaire was developed and used as a tool to acquire inputs to satisfy the research questions. This study was based on material that was collected from school, churches, clinics, and community residents. The findings were: identification of the project risk, horticultural skills, project leadership, and land tenure and water accessibility is critical for project success. Households sometimes spend a day without eating any vegetable. The households are not always got their vegetable from community garden projects. There is a lack of project leadership skills and effective communication. Community members are educated on garden skills, Opportunity are given to children to apply gardening skills, Community parks and gardens are used to share knowledge. The analysed data has led to recommendations that it is most important to identify critical success factors that are specifically to community garden projects in order to succeed. The results from the study could enable community members, professionals and assist government officials who are involved in addressing food insecurity in order to alleviate poverty.
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Webb, Aleksandra. ""We need arts as much as we need food. Our responsibility is for that to be possible" : insights from Scottish cultural leaders on the changing landscape of their work." Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/21478.
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The analysis of cultural policy in the last decade suggests that creativity and the arts in general are extensively used in political agendas as means of capitalizing on the forecasted socio-economic potential of creative/artistic activities (e.g. Flew, 2005; Garnham, 2005; Hartley, 2005; Hesmondhalgh, 2007). Although some critical studies have highlighted instrumentalism, short-sidedness and practice/practitioners’ averse policy-making and intervention planning (Belfiore, 2004, 2009; Caust, 2003; Oakley, 2009; Newman, 2013), so far only very few studies have exposed the experiences and voices of particular groups of creative workers in the different national (country-specific) contexts to support this criticism. There has been a significant lack of studies that aim to understand how creative workers experience and cope with the changing policy context in their work. In particular, the voice of non-artists has rarely been considered when seeking a better understanding of the sector’s dynamics. This thesis explored the Scottish cultural sector through the eyes of cultural leaders. The study was carried out during a time of significant transformation to the funding structure, processes and relationships in the sector, catalysed by the establishment of a new funding agency (the funder). It focuses on cultural leaders’ understandings of an increasingly politicised cultural landscape that constitutes the context of their work. The thesis also looks at the influence of these understandings on the leaders’ role responsibilities, as well as the essence and the sustainability of the cultural sector. The empirical work for the thesis followed a qualitative research approach and focused on 21 semi-structured interviews with cultural leaders and industry experts based in Scotland. These individuals were purposefully chosen as a group of stakeholders who are able to engage in discussions about the cultural sector in the context of recent changes in the governance and financial subsidy of Scottish (publically funded) arts. The research findings illustrated the importance of leaders’ values and beliefs, which reflect the purpose of their work and shape their enactments in the sector. In particular, the intrinsic motivation, artistic ambitions, social and civic responsibilities of leaders emerged as crucial qualities of their work roles. The findings revealed a discrepancy between these artistic and civic concerns of cultural leaders and the socio-economic expectations of the funder, which contributed to a great deal of unproductive ('inorganic') tensions for which leaders had to find coping mechanisms. Bourdieu’s (1977, 1992) theoretical concepts were used as a starting point in understanding the cultural sector as a cultural field, and cultural leaders as actors enacting their work-related practices in the evolving socio-political and economic system of cultural production. However, upon further analysis of the data, the notions of a ‘worldview’ and ‘stewardship’ emerged and were used to better explain the greater complexity of work in today’s cultural sector. This thesis thus builds upon Bourdieu’s concept of ‘field’ and ‘artistic logic’ and explains the changing cultural sector as a holistic cultural field where cultural leaders enact their stewardship-like work responsibilities from within a strong and dynamic artistic worldview.
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Mphahama, Litsoanelo Evodiah. "Institutional constraints to horticulture production and marketing." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/428.
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Lesotho has a land area of about 30.340 square kilometers and is completely surrounded by the Republic of South Africa. Much of the country is mountainous. Its agricultural sector is characterized by low productivity due to erratic climatic conditions, limited arable land and fragile soils with a low water holding capacity. These conditions have proved very detrimental to crop production, rendering agriculture a risky economic activity. Numerous efforts have been made over the years to address the technical constraints confronting the sector, but nothing seems to be changing. The implication is that the technical/climatic factors mentioned above may be only part of the problem. The current situation whereby Lesotho imports nearly 95% of its domestic food requirements is unsustainable, but this desperate picture looks set to worsen with the continuing threats of contracting farm sizes and further declines in farmer participation rates. But this sector has continued to be an important source of household survival and existence. A study was designed and conducted during 2008 and 2009 to identify the institutional constraints to horticulture production in Lesotho, looking specifically at the obstacles to effective production and marketing of horticultural products. A total of 100 farming households were enumerated in four districts of the country, namely Butha Buthe, Berea, Mafeteng, and Thaba-Tseka. A range of institutional and non-price factors in the farming and marketing environment were incorporated in a binary choice model to investigate the degree of satisfaction of the farming households with their previous year’s farming results. To avoid selection bias in the sample, a probit model was chosen, and the Stata-10 software was used to estimate probit coefficients. The results provide indications that property rights, the agricultural extension service, the condition of the physical infrastructure, and distance to markets may be crucial elements threatening the existence of this sector in Lesotho. The difficulties in accessing markets and land remain important institutional constraints to horticulture production and marketing in Lesotho. Recommendations made on these issues include providing more policy support to homestead gardening and for these issues to be incorporated into the Vision 2020 process. Also to be included is the issue of addressing the growing national food insecurity and enhancing Basotho livelihoods in general.
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Eagan, April Hurst. "Heritage and Health: A Political-Economic Analysis of the Foodways of the Paiute Indian Tribe of Utah and the Bishop Paiute Tribe." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/685.
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Funded by Nellis Air Force Base (NAFB), my thesis research and analysis examined Native American knowledge of heritage foods and how diminished access to food resources has affected Native American identity and health. NAFB manages the Nevada Test and Training Range (NTTR), land and air space in southern Nevada, which includes Native American ancestral lands. During a research period of 3 months in the spring/summer of 2012, I interviewed members of Native American nations culturally affiliated with ancestral lands on the NTTR, the Paiute Indian Tribe of Utah (PITU) and the Bishop Paiute Tribe. My research included participant observation and 31 interviews with tribal members considered knowledge holders by tribal leaders. In dialogue with the literature of the anthropology of food, political economy, and Critical Medical Anthropology, my analysis focused on the role of heritage foods in everyday consumption, taking into account the economic, social, environmental, and political factors influencing heritage foods access and diet. My work explored the effects of structural forces and rapid changes in diet and social conditions on Native American health. I found shifts in concepts of food-related identity across ethnic groups, tribes, ages, and genders. I also found evidence of collective efforts to improve diet-related health at tribal and community levels. Through the applied aspects of my research, participants and their families had the opportunity to share recipes and food dishes containing heritage foods as a way to promote human health and knowledge transmission.
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Nel, David. "A critical analysis of the potential of urban agriculture in the Khayelitsha Mitchell’s Plain area." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/97168.
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Thesis (MDF)--Stellenbosch University, 2012.Poverty, which was traditionally a rural phenomenon, has become one of the main drivers behind people migrating to urban areas. It is estimated that more than 50 per cent of the global population lives in cities while the current annual growth rate of cities in sub-Saharan Africa is almost double the worldwide average. The provision of food for the growing number of poor urban citizens is a major challenge, which needs to be addressed by city authorities. As most of the urbanised poor are exposed to agriculture due to their rural backgrounds, agriculture should be viewed as a possible solution to the challenge of urban food security for the urban poor. Put differently, feeding a growing urban population living in poverty will be one of the major humanitarian and political challenges of the next century. This implies that increased pressure will be put on urban agriculture for food production inside or close to cities, especially in developing countries where poor transportation infrastructure between the cities and rural areas creates problems for food supply. This research explores the significance of urban agriculture as one of the solutions to urban poverty. The aim of this research report is to critically analyse the concept of urban agriculture and how it can contribute to urban renewal and the alleviation of poverty for the urban poor. It focuses particularly on the scope, problems and challenges of urban agriculture in the high density settlements of Khayelitsha-Mitchell’s Plain in Cape Town where widespread poverty and high unemployment intensifies the need for low cost food production for poor households. The research takes into account the lessons learned in the past and looks at the role government, individuals, community organisations, NGO’s and corporate South Africa can play in expanding urban agriculture. We look at the different types of urban agriculture and the various success factors and potential pitfalls in implementing strategies of urban agriculture. This research also takes a closer look at the various problems faced by those keen to utilise urban agriculture opportunities. This research indicates that urbanisation is inevitable and has a negative impact on the poverty levels of urban citizens due to the migration of the rural poor. This is relevant to the Western Cape and in particular, to the Cape Town townships of Khayelitsha and Mitchell’s Plain, due to the accelerating migration from the rural Eastern Cape. The City of Cape Town is doing a fair amount of work in the field of urban agriculture through the Urban Agriculture Policy it adopted in 2007. However, this research concludes that urban agriculture in Africa, including South Africa, still does not receive the necessary recognition or support when compared to the developed world.
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Stanley, Richard. "Micro-macro paradoxes : the effects of war and aid on child survival." Thesis, University of Oxford, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669843.
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Ruffing, Jason L. "A Century of Overproduction in American Agriculture." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700066/.
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American agriculture in the twentieth century underwent immense transformations. The triumphs in agriculture are emblematic of post-war American progress and expansion but do not accurately depict the evolution of American agriculture throughout an entire century of agricultural depression and economic failure. Some characteristics of this evolution are unprecedented efficiency in terms of output per capita, rapid industrialization and mechanization, the gradual slip of agriculture's portion of GNP, and an exodus of millions of farmers from agriculture leading to fewer and larger farms. The purpose of this thesis is to provide an environmental history and political ecology of overproduction, which has lead to constant surpluses, federal price and subsidy intervention, and environmental concerns about sustainability and food safety. This project explores the political economy of output maximization during these years, roughly from WWI through the present, studying various environmental, economic, and social effects of overproduction and output maximization. The complex eco system of modern agriculture is heavily impacted by the political and economic systems in which it is intrinsically embedded, obfuscating hopes of food and agricultural reforms on many different levels. Overproduction and surplus are central to modern agriculture and to the food that has fueled American bodies for decades. Studying overproduction, or operating at rapidly expanding levels of output maximization, will provide a unique lens through which to look at the profound impact that the previous century of technological advance and farm legislation has had on agriculture in America.
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von, der Heyde Vanessa. "Towards a sustainable incremental waste management system in Enkanini: a transdisciplinary case study." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86274.
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Thesis (MPhil)--Stellenbosch University, 2014ENGLISH ABSTRACT: As the global population grows and more countries industrialise, waste streams will grow proportionately. Current waste management practices and product manufacturing processes dictate that a large proportion of waste ends up in a landfill or incinerator. The predominant manufacturing design is a linear, one-way model that extracts resources for manufacture, which eventually end up in a landfill or incinerator, rendered useless. This is an unsustainable use of resources, not only of the ones that were extracted to manufacture the product, but also of the land used to dump waste. Along with this goes the increasingly significant issue of food waste and the issues of global hunger and food insecurity. It is estimated that globally one third of all food that is produced is wasted, equalling a total of 1.3 billion tonnes of food waste a year. Wastage of food causes a loss of potentially valuable food sources, or a potential resource for other processes, such as composting or energy generation. The poor are normally the first affected by limited or dwindling resources, and as yet, there are no significant signs of poverty alleviation. Worldwide, there is a proliferation of informal settlements, or slums, and how to deal with these settlements has formed part of international political and societal discourse for a long time. In South Africa, policies dictate that informal settlements should undergo an incremental, in situ upgrading process, where possible. Although this marks a positive development from the previous housing policy, substantial uptake on the ground has as yet not occurred. Consequently, this study attempted to combine the issues of waste management, in particular of food waste, and incremental upgrading of informal settlements through a transdisciplinary case study that focuses on upgrading the food waste management system in Enkanini, an informal settlement in Stellenbosch, South Africa. A waste characterisation study undertaken by Stellenbosch Municipality showed that food waste makes up a substantial part of the waste stream generated in Enkanini. As informal settlements often lack adequate waste collection services, the food waste poses a health risk by breeding pathogens and attracting pests. Through a transdisciplinary approach, an alternative food waste treatment method was piloted in Enkanini in partnership with Stellenbosch Municipality and Probiokashi (Pty) Ltd. The method used bokashi substrate to treat food waste with microorganisms. This was then processed further into compost through the sheet mulching method and by black soldier fly (Hermetia illucens) larvae. The outcomes were assessed according to the environmental, social and economic sustainability of this method of waste processing and indicated a positive impact in all three of these categories.
AFRIKAANSE OPSOMMING: Soos die globale samelewing groei en al hoe meer lande industrialiseer, sal afvalproduksie ook proporsioneel toeneem. Moderne afvalbestuurpraktyke en vervaardigingsprosesse behels dat groot volumes afval in vullingsterreine of verbrandingsoonde beland. Vervaardiging behels hoofsaaklik ’n lineêre proses, waarin grondstowwe vir vervaardiging onttrek word en uiteindelik in sodanige vullingsterreine of verbrandingsoonde beland. Hierdie produkte is dan onbruikbaar. Hierdie praktyk is ’n onvolhoubare manier om hulpbronne te gebruik, nie net wat die grondstowwe vir vervaardiging betref nie, maar ook die grond wat gebruik word om die afval op te stort. Verwant aan hierdie probleem, is die kwessie van toenemende voedselvermorsing en die probleme rondom wêreldwye hongersnood en voedselonsekerheid. Daar word benader dat een derde van alle voedsel wat ter wêreld vervaardig word, vermors word. Dit kom neer op 1.3 miljard ton voedsel per jaar. Voedselvermorsing veroorsaak ’n verlies aan waardevolle, potensiële voedselbronne of potensiële hulpbronne vir ander prosesse, soos bemesting en energievervaardiging. Die armes is gewoonlik diegene wat die gouste deur beperkte of afnemende hulpbronne geraak word en, tot nog toe, is daar geen beduidende vordering in armoedeverligting nie. Wêreldwyd is daar ’n toename in informele nedersettings, of agterbuurte, en maniere om hierdie probleem aan te spreek, vorm lankal deel van die internasionale politiese en maatskaplike diskoers. In Suid-Afrika dui beleide daarop dat informele nedersettings, waar moontlik, ’n inkrementele, in situ opgraderingsproses moet ondergaan. Alhoewel hierdie plan ’n verbetering is op die vorige behuisingsbeleid, het wesenlike vordering nog nie plaasgevind nie. Gevolglik het hierdie studie gepoog om die kwessies rakende afvalbestuur, spesifiek van voedselafval, en inkrementele opgradering van informele nedersettings in ’n transdissiplinêre gevallestudie te kombineer deur te fokus op die voedselafvalbestuurstelsel in Enkanini, ’n informele nedersetting in Stellenbosch, Suid-Afrika. ’n Studie, uitgevoer deur Stellenbosch Munisipaliteit, wat die inhoud van vullis ontleed het, het bevind dat voedselafval ’n beduidende deel vorm van die vullis wat in Enkanini geproduseer word. Aangesien informele nedersettings dikwels tekortskiet aan voldoende vullisverwyderingsdienste, hou voedselafval ’n bedreiging in omdat patogene daarin broei en dit peste lok. Deur middel van ’n transdissiplinêre benadering is ’n proefprojek aangepak waartydens ’n alternatiewe metode om voedselafval te behandel, getoets is. Hierdie projek is in samewerking met Stellenbosch Munisipaliteit en Probiokashi (Pty) Ltd (Edms.) Bpk. in Enkanini uitgevoer. Hierdie metode het van bokashi-substraat gebruik gemaak om deur middel van mikroörganismes die voedselafval te behandel. Dit is daarna verder deur swartsoldaatvlieglarwes (Hermetia illucens) tot kompos verwerk. Die uitkomste van die studie is geassesseer ten opsigte van die sosiale, ekonomiese en omgewingsvolhoubaarheid van dié afvalverwerkingsmetode. ’n Positiewe impak is in al drie hierdie kategorieë opgemerk.
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McCafferty, James Ross. "An assessment of inland fisheries in South Africa using fisheries-dependent and fisheries-independent data sources." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005072.
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The role of inland fisheries as contributors to local and national economies in developing African countries is well documented. In South Africa, there is increasing interest in inland fisheries as vehicles for achieving national policy objectives including food security, livelihoods provision, poverty alleviation and economic development but there is surprisingly little literature on the history, current status, and potential of inland fishery resources. This lack of knowledge constrains the development of management strategies for ensuring the biological sustainability of these resources and the economic and social sustainability of the people that are dependent on them. In order to contribute to the knowledge base of inland fisheries in South Africa this thesis: (1) presents an exhaustive review of the available literature on inland fisheries in South Africa; (2) describes the organisation of recreational anglers (the primary users of the resource); (3) compiles recreational angling catch records and scientific gill net survey data, and assesses the applicability of these data for providing estimates of fish abundance (catch-per-unit effort [CPUE]); and finally, (4) determines the potential for models of fish abundance using morphometric, edaphic, and climatic factors. The literature review highlighted the data-poor nature of South African inland fisheries. In particular information on harvest rates was lacking. A lack of knowledge regarding different inland fishery sectors, governance systems, and potential user conflicts was also found. Recreational anglers were identified as the dominant user group and catch data from this sector were identified as potential sources of fish abundance and harvest information. Formal freshwater recreational angling in South Africa is a highly organised, multi-faceted activity which is based primarily on angling for non-native species, particularly common carp Cyprinus carpio and largemouth bass Micropterus salmoides. Bank anglers constituted the largest number of formal participants (5 309 anglers affiliated to formal angling organisations) followed by bass anglers (1 184 anglers affiliated to formal angling organisations). The highly structured nature of organised recreational angling and dominant utilisation of inland fisheries resources by this sector illustrated not only the vested interest of anglers in the management and development of inland fisheries but also the role that anglers may play in future decision-making and monitoring through the dissemination of catch data from organised angling events. Generalised linear models (GLMs) and generalised additive models (GAMs) were used to standardise CPUE estimates from bass- and bank angling catch records, which provided the most suitable data, and to determine environmental variables which most influenced capture probabilities and CPUE. Capture probabilities and CPUE for bass were influenced primarily by altitude and conductivity and multiple regression analysis revealed that predictive models incorporating altitude, conductivity, surface area and capacity explained significant (p<0.05) amounts of variability in CPUE (53%), probability of capture (49%) and probability of limit bag (74%). Bank angling CPUE was influenced by conductivity, surface area and rainfall although an insignificant (p>0.05) amount of variability (63%) was explained by a predictive model incorporating these variables as investigations were constrained by small sample sizes and aggregated catch information. Scientific survey data provided multi-species information and highlighted the high proportion of non-native fish species in Eastern Cape impoundments. Gillnet catches were influenced primarily by species composition and were less subject to fluctuations induced by environmental factors. Overall standardised gillnet CPUE was influenced by surface area, conductivity and age of impoundment. Although the model fit was not significant at the p<0.05 level, 23% of the variability in the data was explained by a predictive model incorporating these variables. The presence of species which could be effectively targeted by gillnets was hypothesised to represent the most important factor influencing catch rates. Investigation of factors influencing CPUE in impoundments dominated by Clarias gariepinus and native cyprinids indicated that warmer, younger impoundments and smaller, colder impoundments produced higher catches of C. gariepinus and native cyprinids respectively. A predictive model for C. gariepinus abundance explained a significant amount of variability (77%) in CPUE although the small sample size of impoundments suggests that predictions from this model may not be robust. CPUE of native cyprinids was influenced primarily by the presence of Labeo umbratus and constrained by small sample size of impoundments and the model did not adequately explain the variability in the data (r² = 0.31, p>0.05). These results indicate that angling catch- and scientific survey data can be useful in providing predictions of fish abundance that are biologically realistic. However, more data over a greater spatial scale would allow for more robust predictions of catch rates. This could be achieved through increased monitoring of existing resource users, the creation of a centralised database for catch records from angling competitions, and increased scientific surveys of South African impoundments conducted by a dedicated governmental function.
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Makame, Makame Omar. "Vulnerability and adaptation of Zanzibar east coast communities to climate variability and change and other interacting stressors." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1011895.
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Climate variability and change as well as sea level rise poses significant challenges to livelihoods, water and food security in small island developing states (SIDSs) including the Zanzibar Islands. Thus, without planned strategic adaptation, the future projected changes in climate and sea level will intensify the vulnerability of these sensitive areas. This thesis is based on research conducted in two sites located in the north eastern parts of each island, namely Kiuyu Mbuyuni, Pemba Island and Matemwe, Unguja Island. The research focused firstly on assessing the vulnerability of these two coastal communities to climate variability and change and other stressors. This included investigation of (1) the perceptions of fishers, farmers and seaweed farmers regarding climate stressors and shocks and associated risks and impacts, (2) existing and possible future water and food security issues, and (3) household's access to important livelihood assets. This was followed by an exploration of the coping and adaptive responses of farmers, fishers and seaweed farmers to perceived shocks and stresses and some of the barriers to these responses. Lastly, an analysis of the implications of the findings for achieving sustainable coastal livelihoods and a resilient coastal community was undertaken. The general picture that emerges is that local people along the east coasts of both islands are already vulnerable to a wide range of stressors. Although variability in rainfall is not a new phenomenon in these areas, increasing frequency of dry spells and coastal floods resulting from the influence of El Niño and La Niña events exert enormous pressures on local activities (fishing, farming and seaweed farming) which are the crux of the local economy. The main argument of the study is that the nature and characteristics of these activities are the main source of sensitivity amongst these communities and this creates high levels of vulnerability to climate shocks and trends. This vulnerability is evidenced by the reoccurrence of localised food shortages and the observed food and water insecurity. The study found that food insecurity is a result of unreliable rainfall, drought and seasonality changes. These interacted with other contextual factors such as poor soil, low purchasing power and the lack of livelihood diversification options. In addition to exposure to these almost unavoidable risks from climate variability, the vulnerability of the local communities along the east coasts is also influenced by the low level of capital stocks and limited access to the assets that are important for coping and adaptation. Despite this, some households managed to overcome barriers and adapt in various ways both within the three main livelihood sectors (fishing, farming and seaweed farming) as well as through adopting options outside these sectors resulting in diversification of the livelihood portfolio. However, the study found that most of the strategies opted for by fishers, farmers and seaweed farmers were mainly spontaneous. Few planned adaptation measures supported by state authorities were observed across the sites, with the exception of the provision of motorised boats which were specifically meant to increase physical assets amongst fishers, reduce pressure in the marine conservation areas and prevent overfishing in-shore. Furthermore, numerous strategies that people adopted were discontinued when further barriers were encountered. Interestingly, some of the barriers that prevented households adapting were the same ones that forced households that had responded to abandon their adaptations. To increase resilience amongst east coast communities to current and future predicted changes in climate and sea level, the study argues that traditional livelihood activities (fishing, farming and seaweed farming) need to be better supported, and access to a range of livelihood assets improved. This may be achieved through increased access to local sources of water and facilitation of rainwater harvesting, expanding the livelihood options available to people and increasing climate change awareness, and access to sources of credit.
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Huchzermeyer, Carl Friedrich. "Fish and fisheries of Bangweulu wetlands, Zambia." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1003927.
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Bangweulu Wetlands is a 6000 km² public-private-partnership conservation area in northeastern Zambia, lying on the south-eastern margins of the Bangweulu Swamps, Congo River system. The area is important for wildlife conservation, tourism and as a fishing ground for the local inhabitants. This study provides a baseline of the fish and fisheries of this area. The conservation area is situated on the transition zone between woodland, floodplain and swamp. A total of 42 fish species representing 12 taxonomic families were collected. The fish fauna of the area was characterised by a diversity of small cyprinids (14 species), cichlids (9 species), clariid catfishes (4 species) and mormyrids (4 species). Species such as Clarias gariepinus, C. ngamensis, Marcusenius macrolepidotus, Tilapia rendali, T. sparrmanii and several small Barbus species were shared with adjacent floodplain systems such as the upper Zambezi and Kafue rivers. Fishing was undertaken by fishing groups consisting of a fisherman and his family, or a group of men fishing together. Access to the fishing grounds was controlled by traditional fishing leaders, who collected tribute from fishermen. Fishing groups utilised fixed, distinct fishing areas determined by ancestry. The most important time for fishing was during the drawdown phase of the floodplains, from March until June. During the dry season fewer groups were engaged in fishing, with many having returned to farming activities. The main fishing methods of the floodplain fishery were basket traps and mosquito-mesh funnel nets set into earth fish barriers (fish weirs) constructed on the plains, various mesh sizes of gillnets, hook longlines and seine nets. The use of fish spears, drag baskets and piscicides was of lesser importance. Most fishing gears were constructed of a variety of natural and modern, manufactured materials. The fishery was multi-species and 23 fish species were recorded from in catch. The three most important species in the catches were C. gariepinus, T. rendalli and M. macrolepidotus. Together these contributed 67% by weight to the catch. Catch-per-unit-effort (CPUE) for the different gears was 0.4 ± 0.3 kg.trap.night⁻¹ for basket traps, 2.7 ± 4.6 kg.net.night⁻¹ for funnel nets, 0.3 ± 0.5 kg.50 m net.night⁻¹ for gill nets, 3.5 ± 6.3 kg.100 hooks.night⁻¹ for longlines, 1.79 ± 1.11 kg.haul⁻¹ for mosquito-mesh seine nets and 6.87 ± 6.27 kg.haul⁻¹ for larger-mesh seine nets. The weight of average daily landings of fishing groups, using a variety of gears was 7.8 ± 7.4 kg. Fishermen were able to maintain the same catch rate between dry and wet seasons, with no significant differences (p < 0.05) in daily landings between seasons. Yield per fisherman for a seven month season, which required 2-3 relocations due to falling water level, was 1.64 t based on catch assessment, and 1.9 t from a socio-economic survey. A tentative yield per area estimate for the area was 2I7 kg.ha⁻¹ over the three month shallow-floodplain fishing season. Most fish landed in the fishery were processed into sundried or smoke-dried products. These were used for 1) home consumption, 2) trade with village farmers (from up to 70 km inland of the fishing grounds) in exchange for staple starch meal, and 3) sold to urban fish traders, reaching markets as distant as Lubumbashi in Democratic Republic of Congo. Fish traders toured fishing camps to buy fish, supporting auxiliary industries such as transport and accommodation services. The price for dried fish at source was 3.14 ± 1.34 USDlkg and the market price reported for the Zambian Copperbelt was 6.14 ± 2.54 USD/kg. Typical returns on investment in fish trading were estimated as 68-77%. The fishery was considered to be biologically and socially sustainable. By harvesting a seasonally transient assemblage of species with high productivity and biological turnover rates and with life histories adapted to high mortality, fishermen were able to maintain a stable and viable livelihood. Management recommendations for the area were that a fisheries management plan be developed that would seek to strengthen the traditional system of rights-allocation, address problems between fishing and tourism activities, and enhance communication between fisheries and conservation stakeholders. To do this it was recommended that: 1) conservation authorities recognise the importance of the fishery, 2) no changes to current effort levels and fishing methods were necessary, 3) points 1 and 2 above be used to improve communication and trust between conservation authorities and fishermen, 4) customary resource-access mechanisms be understood and strengthened so that local inhabitants' rights to the resource are protected, 5) fishermen help formulate and accept conservation and tourism rules, 6) tourists and guides be made aware of the function of the fishery, 7) a fisheries management forum of key community, government and conservation stakeholders be formed to shape and implement the fisheries management plan, 8) locally-adapted bylaws be created to legitimise crucial floodplain gears currently considered illegal (e.g. mosquito-net gears, fish weirs), 9) no intervention to formalise fish trading be made, and 10) a trained person with a fisheries background be hired oversee the implementation of the recommendations.
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Oppenheim, Vicki Ann. "Public Market Trade Areas: Local Goods, Farmers, and Community in the U.S. Southwest Region, 1996-2016." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1157534/.
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The number of public markets in the United States increased from more than 300 in the 1970s to more than 8,600 by 2016. This increase in markets is related to changes in food production, localism and the local food systems movement, socioeconomic changes, cultural changes, and perceptions of embeddedness. Research on the underlying conditions for the success of public markets is scant in the United States, and especially in the USDA Southwest Region. This study provides analysis of public market locations as compared with non-market locations by drive-time trade areas during a 20-year period, 1996 and 2016, to gain further insights into factors leading to their success. The results from logit regression analyses and simulations of socioeconomic, college-town status, and climate-grid classifications find an increased likelihood of public markets with population, education, college town status, and some climate-grid locations. Median income, surprisingly, has an inverse relationship with public market success. Qualitative data and a literature review point to three types of embeddedness that motivate customers to attend public markets. This study concludes that "local nontradable consumer goods" tied to place are offered at these "nontradable consumption amenities." These amenities are "third places" that promote social interaction and become important places of community, farmer support, and commerce across the Southwest Region.
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Williams, Rachael M. "Do geographical indications promote sustainable rural development? : two UK case studies and implications for New Zealand rural development policy." Lincoln University, 2007. http://hdl.handle.net/10182/585.
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Geographical indications (GIs) are one form of protective labelling used to indicate the origin of food and alcohol products. The role of protected geographical indicators as a promising sustainable rural development tool is the basis for this research. The protection of geographical indications is a rather controversial subject and much research is still required for both sides of the debate. The research method employed for this study is qualitative critical social science. Two Case studies are used to investigate the benefits brought to rural areas through the protection of GIs. The case studies include the GIs Jersey Royal and Welsh Lamb both from the United Kingdom a member of the European Union (the EU is in favour of extended protection of GIs for all agro-food products under the 1994 WTO/TRIPS agreement on geographical indications). Twenty-five indepth interviews were conducted for this study the duration of the interviews was approximately one hour. The study identifies predominantly indirect links between GIs and sustainable rural development, through economic and social benefits bought to rural areas by the GIs investigated - less of a connection was found to ecological elements. No considerable cost for GI protection was discovered. This finding suggests that GIs are worthwhile for implementation in New Zealand as a rural development tool.
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Parker, Denham. "The life history and fishery assessment of largespot pompano, Trachinotus botla, in northern KwaZulu-Natal, South Africa." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005141.
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Largespot pompano, Trachinotus botla, is a surf zone carangid with a cosmopolitan distribution in subtropical and tropical waters. Within South Africa, the species occurs along the KwaZulu-Natal coastline where it is a popular recreational fishing target. Recreational fishing in southern Africa has developed significantly in recent years, and is now regarded as an industry with huge economic potential. The long-term contribution of South African recreational fisheries to local economies is reliant upon sustainable exploitation through effective management. Trachinotus botla was found to grow rapidly with maximum observed age of six years. Otolith growth zone deposition was validated using edge analysis. Growth was similar between males and females until ~350 mm FL after which females continued to grow while growth in males slowed. The resulting overall sex ratio was slightly female-biased (1 male: 1.3 females). Trachinotus botla matures early with all fish considered to be mature at 290 mm FL, which corresponds to an age of three years. A protracted spawning season was observed ranging from November to February and there was evidence to suggest that T. botla is a serial spawner. Dietary analysis indicates that T. botla is an opportunistic predator with a catholic diet. The opportunistic utilization of “superabundant” prey items is a fundamental characteristic of the species feeding habits. An ontogenetic dietary shift was observed at approximately 300 mm FL that was linked to a shift in habitat preference. This thesis provided the first evidence that infection by the tongue-replacing isopod, Cymothoa borbonica, reduces the growth rate of wild host fish populations despite not affecting the diet, feeding habits and feeding frequency of their hosts. These results also highlighted the inadequacy of condition factor as a proxy for quantifying the effects of cymothoids on their hosts, and identified the need to incorporate host age when assessing the effects of parasite infection. Information on the life-cycle of C. borbonica, including estimates of the hypothesized “infectious” period and its longevity were obtained through analysis of parasite infection patterns as a function of host age and length. An assessment of the T. botla shore fishery of KwaZulu-Natal using historical catch data revealed that the fishery is stable. Productivity of the T. botla fishery increased towards the north of KwaZulu-Natal. Distinct seasonal variations in the T. botla fishery were also noted with catches peaking in summer months and lowest during winter. A per-recruit assessment revealed that the species is currently underexploited (SBR = 62% of pristine levels), and fishing mortality rate could be doubled before reaching the spawner biomass-per recruit target reference point of FSB₄₀. A combination of the life history characteristics of species, the nature of the recreational shore fishery together with the current management regulation of 5 fish person⁻¹ day⁻¹ has ensured the sustainable utilization of the T. botla resource in KwaZulu-Natal.
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Venhaus, Annette. "Relation of selected socio-economic factors to dietary intake and dietary patterns in the Dominican Republic." 1985. http://hdl.handle.net/2097/27568.
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Martin, Charles T. (Charles Tyler). "Economic feasibility of segregating grain by protein concentration while harvesting." Thesis, 2012. http://hdl.handle.net/1957/30334.
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Price premiums and discounts are currently paid for various classes of wheat in the US marketplace. These premiums and the known heterogeneity of grain protein across landscapes beg the question of whether grain could be separated on the farm to maximize revenues. Theoretically, the concavity or convexity of a price function defines if an opportunity to segregate grain exists. Although this is true, prices in the market place are paid in stepped increments, which result in unique revenue maximizing solutions. This study was conducted to determine the economic feasibility of segregating wheat by protein content on the combine harvester during harvest. Both web-based and spreadsheet calculators were built to predict the best point in which to segregate a crop at, as well as define the protein level and quantity of each segregated volume of grain. The costs of segregation vary by operation, but fixed, variable, and opportunity costs are estimated to total $0.1739 bu⁻¹ if segregation is used every year. Revenue gains varied with the price schedule, field mean protein value, and the standard deviation of protein. Revenue gains increased in proportion to the size of a price step in a price schedule. Soft white winter wheat showed the greatest potential for segregation; however, on average yearly expected premiums are less than $.05 bu⁻¹, well below total variable costs. Price schedules occur which allow for profits of over $1.00 bu⁻¹ from segregation, although these are not the norm. Historically, on-combine grain segregation would not be economically feasible for the average producer. However, under certain supply and demand conditions, premiums occur that would make on-combine grain segregation profitable. Individuals will have to evaluate the feasibility on a case-by-case basis.Graduation date: 2013
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Taylor, Anthea Wedgwood. "African seed systems : the crises of food security and the rights of the farmer in Africa's globalising food regime." Thesis, 2017. https://hdl.handle.net/10539/24562.
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A research report submitted to the Faculty of Humanities, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Arts (International Relations), 2017Through a close reading of the changes that have occurred within African agriculture using Food Regime Theory, this study will attempt to further understand the impact that has been felt by small-scale farmers who are a dominant feature of African agriculture. This paper will seek to understand the influence that the increased corporatization of agriculture through globalization has had on the small-scale farmer in Africa. As agriculture has become more and more corporatized and commodi:ied, it becomes important to consider the changes that have occurred for those actors within the industry and how these changes will impact them. This paper is attempting to do that through a close reading of the changes that have taken place within an integral part of the agricultural process: the seed.
GR2018
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Mambo, Julia. "Impacts of HIV/AIDS Mortality on food security and Natural resource utilisation in rural South Africa." Thesis, 2012. http://hdl.handle.net/10539/11993.
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AIDS mortality, its linkages as a determinant and consequence of food security and its impact on natural resource utilisation by mainly rural populations, has not been well researched, especially their effects on rural livelihoods. With the high epidemic prevalence and persistent food insecurity, natural resources are and will continue to play a key role as a buffer against stresses and shocks in rural livelihoods. Determining linkages between household food security, adult AIDS mortality, and how these affect natural resource utilisation at the village level was the objective of this research. The overarching goal of sustainable natural resource utilisation in Agincourt Demographic Surveillance Site (DSS) was determined through three research questions outlined as follows; What is the status of food security, AIDS mortality and Natural resource utilisation in Agincourt?; What is the relationship between dependence on natural resources as a source of food and or livelihood to resource degradation?; and What are the household and community drivers of household food security? Statistical analysis was used to evaluate the prevalence of food insecurity and the reliance on natural resources while remote sensing was used to assess resource availability and identification of possible natural resource degradation hotspots. More than half of the population in the DSS is food-secure, in 2004, with an even smaller hungry population in 2007. HIV/AIDS and non-HIV/AIDS adult mortality, analysed at village level are underlying drivers and determinants, affecting availability of income which is a direct driver of food insecurity. Availability of income, through social grants, remittances or wages, and delay or non-receipt of this income results in food insecurity in some households. Food production, affected and constrained by climate variability, is a less stable and less popular means of attaining food. More than half of the Agincourt population utilises natural resources to supplement dietary diversity and household income, although there is a significant reduction in households using natural resources in 2007 compared to 2004. Resource degradation is noted in the village commons especially between the highly food-insecure villages and are identified as environmental degradation hot spots. The identification of synergies among these factors in policy design and for interventions is essential for poverty alleviation, improved health and sustainable utilisation of natural resources and rural livelihoods. Glory be to GOD for making this work possible
“Commit your work to the Lord and then your plans will succeed”
(Proverbs 16:3)
“Material poverty doesn‟t necessarily lead to a lack of capacity for creativeness and Inventiveness. Poor people survival by their wits and have much more to contribute to address complex problems than we tend to credit them with.”
Dr. Maphela Ramphele (Destiny Magazine, 2010)