Famine and Food Security in Ethiopia: Lessons for Africa

Book Description

Over the past two decades Sub-Saharan Africa has been confronted with a severe lack of food security. With this observation in mind the present study intends to serve three related objectives. The main objective is to analyse the role of African states and governments in affecting food security, focusing in particular on the role of agricultural price policies versus non-price or structural policy interventions. Secondly, the study aims to provide a comprehensive view of the food-security issue in an African empirical context. Thirdly, it aims to draw lessons from the performance of public interventions in this field. A comparative analysis of the food-security performance is made in four African case- countries, namely Ghana, Malawi, Mali and Tanzania, over a period ranging from the early 1970s to the early 1990s. Where appropriate, the empirical findings on the case-countries are supplemented by more general findings from the literature on this subject. Besides an examination of the incidence and causes of food insecurity in Sub-Saharan Africa, the study analyses how policy interventions in the case-countries have affected food security at the national and household levels.

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Food Security in Sub-Saharan Africa

Manufacturer: Practical Action
ProductGroup: Book
Binding: Paperback

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ASIN: 1853395234

Book Description

Sub-Saharan Africa's persistent food insecurity and vulnerability to famine reflects failures of understanding as much as failures of interventions. "Food Security in Sub-Saharan Africa" aims to contribute towards an improved understanding for more effective food security policy. This book brings together eleven substantial chapters on critical food security issues, and draws on a variety of disciplinary perspectives, from agricultural economics to nutrition. Most contributions reflect an evolution of thinking during the 1990s. Food insecurity is no longer seen simply as a problem of agriculture and a failure of food production at the national level, but instead as a failure of livelihoods to guarantee access to sufficient food at household
level. This conceptual shift and related arguments are presented in a clear and accessible way for the non-specialist reader, and are illustrated with empirical data and case studies from across the sub-continent. The authors are all food security experts with long experience of research and advisory work in Africa.

Farming fish for profits: A small step towards food security in sub-Saharan Africa [An article from: Food Policy]

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Farming fish for profits: A small step towards food security in sub-Saharan Africa [An article from: Food Policy]
N. Hishamunda , and N.B. Ridler
Manufacturer: Elsevier
ProductGroup: Book
Binding: Digital

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ASIN: B000P6NXD0

Book Description

This digital document is a journal article from Food Policy, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

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In addition to volatile fluctuations due to seasonal or regional factors, food security has two main components; access and availability. This paper presents a diagrammatical model to indicate how aquaculture, particularly private sector aquaculture, can contribute to these components of food security in sub-Sahara Africa. Food accessibility is increased when commercial aquaculture generates employment. Without such employment the poor might never translate their need for food into effective demand. Food availability is increased, either immediately when aquaculture output is sold in the domestic market, or later when the foreign exchange earned from aquaculture exports is used to import food. This paper does not argue that commercial aquaculture will eliminate poverty within sub-Sahara Africa. The sector is too marginal. However, it can be one ''small step'' among others. Moreover, driven by the private sector, commercial aquaculture does not need onerous public (or donor) funding. It therefore should not be ignored by policy-makers. At the local level the impact on communities can be dramatic. This is illustrated in the Kariba area of Zimbabwe, where commercial tilapia farms provide jobs and incomes in an impoverished region. These incomes enable workers and their families to purchase food. In addition the farms supply the local population with whole fish and fish heads, which are a source of protein. Some policy options are suggested to promote private investment in the sector, with an emphasis on polices that incur few government expenditures.

Food Security and Agricultural Development in Sub-saharan Africa: Building a Case for More Public Support/Main Volume (Policy Assistance)

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Food Security and Agricultural Development in Sub-saharan Africa: Building a Case for More Public Support/Main Volume (Policy Assistance)

Manufacturer: Food & Agriculture Org
ProductGroup: Book
Binding: Paperback

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Roots, Tubers, and Plantains in Food Security: In Sub-Saharan Africa, in Latin America and the Caribbean, in the Pacific (Fao Economic and Social Development Paper)

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Roots, Tubers, and Plantains in Food Security: In Sub-Saharan Africa, in Latin America and the Caribbean, in the Pacific (Fao Economic and Social Development Paper)
Food and Agriculture Org.
Manufacturer: Food & Agriculture Org
ProductGroup: Book
Binding: Paperback

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ASIN: 925102782X

Food security options for Sub-Saharan Africa (Working paper / Institute for Development Studies, University of Nairobi)

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Food security options for Sub-Saharan Africa (Working paper / Institute for Development Studies, University of Nairobi)
Henry Rempel
Manufacturer: Institute for Development Studies, University of Nairobi
ProductGroup: Book
Binding: Unknown Binding

Food security policy in sub-Saharan Africa

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Food security policy in sub-Saharan Africa
Carl. K Eicher
Manufacturer: Dept. of Agricultural Economics, Michigan State University
ProductGroup: Book
Binding: Unknown Binding

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National food security stock policies and procedures in Sub-Saharan Africa: Case studies (Postharvest grain systems R & D technical assistance report)

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National food security stock policies and procedures in Sub-Saharan Africa: Case studies (Postharvest grain systems R & D technical assistance report)
Kenneth Neils
Manufacturer: Kansas State University, Food and Feed Grains Institute
ProductGroup: Book
Binding: Unknown Binding

Soil Fertility Management in Support of Food Security in Sub-Saharan Africa

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Soil Fertility Management in Support of Food Security in Sub-Saharan Africa
Hans Schiere
Manufacturer: Food & Agriculture Organization of the UN (FA
ProductGroup: Book
Binding: Paperback

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Book Description

The ionized material that constitutes plasma permeates almost all of the universe beyond the planets and their atmospheres and satellites. This book describes the linear theory of many different waves and instabilities that may propagate in a collisionless plasma. Electrostatic and electromagnetic fluctuations and a variety of instability sources are considered. Applications of the theory are discussed with respect to spacecraft observations in the solar wind, terrestrial magnetosheath, magnetosphere and magnetotail and at the bow shock and magnetopause. Tables at the end of most chapters summarize wave and instability nomenclature and properties, and problems for the reader to solve are interspersed throughout the text.

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Magnetohydrodynamic Turbulence
Dieter Biskamp
Manufacturer: Cambridge University Press
ProductGroup: Book
Binding: Hardcover

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ASIN: 0521810116

Book Description

After a brief outline of magnetohydrodynamic theory, this introductory book discusses the macroscopic aspects of MHD turbulence, and covers the small-scale scaling properties. Applications are provided for astrophysical and laboratory systems. Magnetic turbulence is the natural state of most astrophysical systems, such as stellar convection zones, stellar winds or accretion discs. It is also found in laboratory devices, most notably in the reversed field pinch.

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This book presents an introduction to, and modern account of, magnetohydrodynamic (MHD) turbulence, an active field both in general turbulence theory and in various areas of astrophysics. The book starts by introducing the MHD equations, certain useful approximations and the transition to turbulence. The second part of the book covers incompressible MHD turbulence, the macroscopic aspects connected with the different self-organization processes, the phenomenology of the turbulence spectra, two-point closure theory, and intermittency. The third considers two-dimensional turbulence and compressible (in particular, supersonic) turbulence. Because of the similarities in the theoretical approach, these chapters start with a brief account of the corresponding methods developed in hydrodynamic turbulence. The final part of the book is devoted to astrophysical applications: turbulence in the solar wind, in accretion disks, and in the interstellar medium. This book is suitable for graduate students and researchers working in turbulence theory, plasma physics and astrophysics.

Progress in Fluid Flow Research: Turbulence & Applied Mhd, Progress in Astronautics & Aeronautics (Progress in Astronautics and Aeronautics)

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Progress in Fluid Flow Research: Turbulence & Applied Mhd, Progress in Astronautics & Aeronautics (Progress in Astronautics and Aeronautics)
Yeshajahu Unger , and Beer-Sheva International Seminar on Magnetohydrodynamic Flows and Turbulence (8th : 1996 : Ben-Gurion University of the Negev)
Manufacturer: AIAA (American Institute of Aeronautics & Ast
ProductGroup: Book
Binding: Hardcover

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ASIN: 1563472848

Book Description

Fluid flow research is a rapidly growing technological field, with extensive research in many areas. This compilation of technical papers explores recent avenues of research in magnetohydrodynamic (MHD) flows—and the different aspects of both electroconductive and nonconductive fluids—in one complete volume. Drawing from the Eighth Beer-Sheva International Seminar on MHD Flows and Turbulence, Branover and Unger review more than 65 technical papers covering such topics as turbulent flows, energy conversion, and hydrodynamic and MHD flows. Held every three years since 1975, the Beer-Sheva seminars are widely recognized for their research-oriented focus as well as for the forum for information exchange throughout the international community. Each chapter presents a concise and comprehensive picture of experimental and theoretical research presently moving the field. Progress in Fluid Flow Research: Turbulence and Applied MHD provides a strong reference for any reader with a desire to follow the latest trends in this burgeoning area.

Instabilities in Space and Laboratory Plasmas

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Instabilities in Space and Laboratory Plasmas
D. B. Melrose
Manufacturer: Cambridge University Press
ProductGroup: Book
Binding: Hardcover

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Book Description

This introductory account of instabilities in plasmas concentrates on laboratory plasmas, such as those encountered in fusion research, and the space plasmas studied in physics of the magnetosphere and solar atmosphere. This account bridges the gap between a graduate textbook on plasma physics, and specialized similarities between astrophysical and laboratory plasmas that are traditionally regarded as quite separate. The author, an expert in plasma astrophysics who has written a two-volume book on the subject, treats the material naturally, lending a broader perspective to the subject. This is an instructional text for graduate students and professionals in magnetospheric and mathematical physics, radiophysics, solar and theoretical astrophysics and radio astronomy.

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Plasma Instabilities in Astrophysics
D. A. Wentzel
Manufacturer: Routledge
ProductGroup: Book
Binding: Hardcover

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Plasma Instabilities in Astrophysics
Donat G. & Tidman, Derek A. Wentzel
Manufacturer: Gordon and Breach, Science Publishers
ProductGroup: Book
Binding: Hardcover
ASIN: B000OOGXZS

Turbulence, Waves and Instabilities in the Solar Plasma (NATO Science Series II: Mathematics, Physics and Chemistry)

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Turbulence, Waves and Instabilities in the Solar Plasma (NATO Science Series II: Mathematics, Physics and Chemistry)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 1402016581

Book Description

Significant advances have been made recently in both the theoretical understanding and observation of small-scale turbulence in different layers of the Sun, and in the instabilities that give rise to them. The general development of solar physics, however, has led to such a degree of specialization as to hinder interaction between workers in the field. This book therefore presents studies of different layers and regions of the Sun, but from the same aspect, concentrating on the study of small-scale motions. The main emphasis is on the common theoretical roots of these phenomena, but the book also contains an extensive treatment of the observational aspects.

Unstable Current Systems and Plasma Instabilities in Astrophysics (International Astronomical Union Symposia)

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Unstable Current Systems and Plasma Instabilities in Astrophysics (International Astronomical Union Symposia)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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Wave Instabilities in Space Plasmas (Astrophysics and Space Science Library)

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Wave Instabilities in Space Plasmas (Astrophysics and Space Science Library)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 9027710287

Instabilities in Evolved Super- and Hypergiants

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Instabilities in Evolved Super- and Hypergiants
C. De Jager
Manufacturer: Royal Netherlands Academy of
ProductGroup: Book
Binding: Paperback

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Book Description

Paperback. This work deals with the general problem of atmospheric and internal instabilities of super- and hypergiants in relation to their evolutionary phase. New topics discussed are stellar variability in relation to the observed pulsations and shock waves. Other important features are the discussion of dust formation, maser emission and the relation of these phenomena to stellar winds. The volume, which contains invited reviews and contributed papers, will appeal to astrophysicists, research workers and graduate students.

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