Download Famine Early Warning Systems And Remote Sensing Data by Molly E. Brown PDF
By Molly E. Brown
This ebook describes the interdisciplinary paintings of the USA supplier for overseas improvement (USAID)'s Famine Early caution structures community (FEWS internet) and its impression on methodological and improvement rules within the US. FEWS web operational wishes have pushed technological know-how in biophysical distant sensing functions via its collaboration with NASA, NOAA, USGS and USDA, and socio-economic methodologies via its involvement with USAID, the United Nation's international meals software and various foreign non-governmental organisations equivalent to keep the youngsters, Oxfam and others. The ebook describes FEWS NET's structures, equipment and provides numerous illustrative case reports that would reveal the mixing of actual and social technology disciplines in its paintings.
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Additional info for Famine Early Warning Systems And Remote Sensing Data
Chapter 2 Conceptual Frameworks Early warning organizations use a particular set of conceptual frameworks to transform all kinds of information, from biophysical information derived from remote sensing to market prices, into actionable food security policy recommendations. It is not enough to simply monitor agricultural conditions and to report that, for example, Senegal has experienced a 30% decline in rainfall during the peak growing period or that Zimbabwe has had a slow start to their maize growing season.
According to Perry et al. (2002), in the mixed crop-livestock systems of the arid/semi-arid, humid/ subhumid and tropical highlands of Eastern, Central and Southern Africa, cattle are judged of greatest importance to the poor, followed by sheep and goats, poultry, horses, donkeys and mules, and finally pigs. In similar systems in West Africa, sheep and goats are the most important, followed by poultry and cattle, then horses, donkeys and mules, with pigs again last. , 2002). Integrated livestock and agricultural systems provides a way to transform crop residues and low-rainfall areas into productive regions, enabling farmers to accumulate wealth, but also provides fertilizer that enriches agricultural fields.
2 Concepts of Food Security USAID defines food security as ‘when all people at all times have both physical and economic access to sufficient food to meet their dietary needs for a productive and healthy life’ (USAID, 1995). By this definition, food security is a broad and complex concept which is determined by the interaction of a range of agro-physical, socioeconomic, and biological factors. 2 Concepts of Food Security 27 measure of food security. However, the complexity of the food security problem can be simplified by focusing on three distinct, but inter-related dimensions: food availability, food access, and food utilization.