Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Food Shortage"”.
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Agricultural Innovations and Development: a Case Study of Communication About Conservation Farming In Katete Disttrict
… in southern africa ia faced with the problem of food security due to decline in soil fertility, food shortage especially im the dry season
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Agricultural Innovations and Development: a Case Study of Communication About Conservation Farming In Katete Disttrict
… in southern africa ia faced with the problem of food security due to decline in soil fertility, food shortage especially im the dry season
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Simulating long-term food producing capacities in China using a Web-based land evaluation system
… a modeling approach to assess the long-term food producing capacities, and consequently food security, in China using a Web-based land evaluation system (WLES, http://weble.ugent.be). WLES implements a 3-step quantitative land evaluation model which evaluates the realistic yield of a field …
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The effects of prey availability on the endangered bank cormorant Phalacroxorax neglectus
… human disturbance, pollution, climate change and food shortage. This thesis focuses on the bank cormorant’s response to food shortage, both directly and indirectly. Four colonies (Jutten Island, Dassen Island, Robben Island and Stony Point) were studied in terms of responses on population level in …
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A Foundation of Dust: Analyzing the Relationship between Famine and Political Stability in Developing States
… agricultural surplus relative to humanity's food needs and established means of transport, famine remains a threat for several states around the world. It would seem obvious that famine would be a strong destabilizing force, but this has not always been the case. This study compares several …
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The parables of Jesus as symbols of social transformation in a critical view of food insecurity systems for vulnerable households in urban townships
… as transformative interpretive instruments of food shortage in urban townships. We will give much attention on the 12 theses critical reading of the parables espoused by Van Eck. In order to reach stated objectives, a sample of 360 township residents across the South Western Townships (Soweto) …
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Food Security Survey Research
… livelihood for most people in Mombo Division the food security situation at the household level is still unsatisfactory. To find out the courses of food insecurity, the survey was carried out to 300 households, focus group discussion, documentary review and field visit using both qualitative and …
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Establishing a role for specific nutrients in Drosophila dietary restriction
Dietary restriction (DR), the reduction in food intake that falls short of starvation, has been shown to be the most robust and reproducible intervention to extend lifespan in diverse organisms ranging from yeast to mammals, including the fruit fly Drosophila. Despite over 70 years of research, …
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The ecology of the Manx shearwater Puffinus Puffinus on Rhum, West Scotland
… becoming established in the shearwater colony by food shortage in late winter and by the colony's location within Rhum. Golden eagles, peregrine falcons and great black-backed guils do prey upon shearwaters on Rhum but have an insignificant effect upon the shearwater population. Hatching success …
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Cape Town's urban food security plan : a conceptual framework for achieving an accessible and healthy urban food system
Until recently food insecurity has been thought to be a primarily a rural problem. Local, national and international food security agendas have focused primarily on agricultural production as a means to addressing food insecurity. However more recent analyses of urban food insecurity indicate that …
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The functional analysis of XhLEA3-2 - a LEA_4 from the resurrection plant, Xerophyta humilis
… to climate change, is the risk of a global food shortage. Resurrection plants are phenomenal in that they are able to survive extended periods of drought in a state of anhydrobiosis and then resume full metabolism upon rehydration. These plants serve as models to scientists and genetic …
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Seasonal changes in the foraging methods and habitats of six sympatric woodpecker species in southwestern Virginia
… season, post-breeding season, and winter. The food resource used by the six species was partitioned by species' use of different macro-habitats (forest structure), micro-habitats (positions within trees), and foraging methods. Differences in foraging behaviors of male and female downy and hairy …
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Investigating optimum wavelength(s) for growth of Lactuca sativa, L. using tunable LED sources and developing thin-film filters for glass greenhouses
… to help overcome the global problem of future food shortages. This research investigates a way to assist in stemming the problem of food shortage by using optimised light irradiation (within the constraints of the experiment) on a sample plant species of lettuce (Lactuca sativa, L.). Whilst …
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Southern African climate anomalies, summer rainfall and the Angola low
… governments. Western countries continue to give food aid during drought periods and are looking for new and effective ways of supporting national food security plans (Walker, 1989a). Food security is a very difficult problem in Africa. A number of agricultural national programs have been planned …
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Assessment of the potential contribution of biogas to mitigation of climate change in south africa
… “business as usual”, consequences like water and food shortage may be exacerbated. The waste sector has a share of 3 in national GHG emissions. These are caused by methane from biogas produced through anaerobic digestion of organic waste. The objective of this study was to assess the potential …
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Application of silicon to improve yield and quality of potatoes (Solanum Tuberrosum L.)
… (Solanum tuberosum L.) crop serves as a staple food worldwide and is capable of reducing the world’s food shortages because unlike cereals and other agricultural crops, it is less affected by prices in the international markets. Research on alleviation of food crises suggested root and tuber …
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Detection of long-range dependence : applications in climatology and hydrology
… such as droughts or heat waves that lead to food shortage, or the other extreme, floods that lead to severe damage. To prevent such catastrophic events, it is necessary to understand, and to be capable of characterising, nature's variability. Typically one aims to describe the underlying …
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An Exploratory Literature Review of Efforts to Help the Small-Scale, Resource Poor Farmer in International Agricultural Development
… resource poor farmer. A recent report from the Food and Agricultural Organization of the United Nations (FAO, 1996) indicated that many small-scale farmers were not being reached by agricultural extension, although approximately 75% of the worlds' farmers are small-scale, resource poor farmers. …
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Green Diesel Production Via Catalytic Hydrogenation/decarboxylation Of Triglycerides And Fatty Acids Of Vegetable Oil And Brown Grease
… production, brown grease is inexpensive and non– food competing feedstock, therefore the process finds solution to waste management issues, reduces the renewable fuel production cost and does not add to the global food shortage problems. Special catalyst formulations were developed to have a high …
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The Impact of Habitat Alteration on the Population Dynamics of a Declining Woodland Bird in the Mount Lofty Ranges
… exotic annual species has resulted in seasonal food shortages was tested. An assessment of the seed resources available to ground-foragers in the southern MLR confirmed that introduced, annual species dominate the understorey. Total seed biomass was over seven times greater in spring (4.08 g …
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