Download or read book Extreme Hydrology and Climate Variability written by Assefa Melesse and published by Elsevier. This book was released on 2019-07-03 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extreme Hydrology and Climate Variability: Monitoring, Modelling, Adaptation and Mitigation is a compilation of contributions by experts from around the world who discuss extreme hydrology topics, from monitoring, to modeling and management. With extreme climatic and hydrologic events becoming so frequent, this book is a critical source, adding knowledge to the science of extreme hydrology. Topics covered include hydrometeorology monitoring, climate variability and trends, hydrological variability and trends, landscape dynamics, droughts, flood processes, and extreme events management, adaptation and mitigation. Each of the book's chapters provide background and theoretical foundations followed by approaches used and results of the applied studies. This book will be highly used by water resource managers and extreme event researchers who are interested in understanding the processes and teleconnectivity of large-scale climate dynamics and extreme events, predictability, simulation and intervention measures. - Presents datasets used and methods followed to support the findings included, allowing readers to follow these steps in their own research - Provides variable methodological approaches, thus giving the reader multiple hydrological modeling information to use in their work - Includes a variety of case studies, thus making the context of the book relatable to everyday working situations for those studying extreme hydrology - Discusses extreme event management, including adaption and mitigation

Download or read book The Importance of Soil Organic Matter written by Alexandra Bot and published by Food & Agriculture Org.. This book was released on 2005 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil organic matter - the product of on-site biological decomposition - affects the chemical and physical properties of the soil and its overall health. Its composition and breakdown rate affect: the soil structure and porosity; the water infiltration rate and moisture holding capacity of soils; the diversity and biological activity of soil organisms; and plant nutrient availability. This document concentrates on the organic matter dynamics of cropping soils and discusses the circumstances that deplete organic matter and their negative outcomes. It then moves on to more proactive solutions. It reviews a "basket" of practices in order to show how they can increase organic matter content and discusses the land and cropping benefits that then accrue.--Publisher's description.

Download or read book Potential Crop Production written by P. F. Wareing and published by Heinemann Educational Publishers. This book was released on 1971 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Markov Chains written by Paul A. Gagniuc and published by John Wiley & Sons. This book was released on 2017-07-31 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fascinating and instructive guide to Markov chains for experienced users and newcomers alike This unique guide to Markov chains approaches the subject along the four convergent lines of mathematics, implementation, simulation, and experimentation. It introduces readers to the art of stochastic modeling, shows how to design computer implementations, and provides extensive worked examples with case studies. Markov Chains: From Theory to Implementation and Experimentation begins with a general introduction to the history of probability theory in which the author uses quantifiable examples to illustrate how probability theory arrived at the concept of discrete-time and the Markov model from experiments involving independent variables. An introduction to simple stochastic matrices and transition probabilities is followed by a simulation of a two-state Markov chain. The notion of steady state is explored in connection with the long-run distribution behavior of the Markov chain. Predictions based on Markov chains with more than two states are examined, followed by a discussion of the notion of absorbing Markov chains. Also covered in detail are topics relating to the average time spent in a state, various chain configurations, and n-state Markov chain simulations used for verifying experiments involving various diagram configurations. • Fascinating historical notes shed light on the key ideas that led to the development of the Markov model and its variants • Various configurations of Markov Chains and their limitations are explored at length • Numerous examples—from basic to complex—are presented in a comparative manner using a variety of color graphics • All algorithms presented can be analyzed in either Visual Basic, Java Script, or PHP • Designed to be useful to professional statisticians as well as readers without extensive knowledge of probability theory Covering both the theory underlying the Markov model and an array of Markov chain implementations, within a common conceptual framework, Markov Chains: From Theory to Implementation and Experimentation is a stimulating introduction to and a valuable reference for those wishing to deepen their understanding of this extremely valuable statistical tool. Paul A. Gagniuc, PhD, is Associate Professor at Polytechnic University of Bucharest, Romania. He obtained his MS and his PhD in genetics at the University of Bucharest. Dr. Gagniuc’s work has been published in numerous high profile scientific journals, ranging from the Public Library of Science to BioMed Central and Nature journals. He is the recipient of several awards for exceptional scientific results and a highly active figure in the review process for different scientific areas.

Download or read book The State of the World s Biodiversity for Food and Agriculture written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2019-03-12 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: The State of the World's Biodiversity for Food and Agriculture presents the first global assessment of biodiversity for food and agriculture worldwide. Biodiversity for food and agriculture is the diversity of plants, animals and micro-organisms at genetic, species and ecosystem levels, present in and around crop, livestock, forest and aquatic production systems. It is essential to the structure, functions and processes of these systems, to livelihoods and food security, and to the supply of a wide range of ecosystem services. It has been managed or influenced by farmers, livestock keepers, forest dwellers, fish farmers and fisherfolk for hundreds of generations. Prepared through a participatory, country-driven process, the report draws on information from 91 country reports to provide a description of the roles and importance of biodiversity for food and agriculture, the drivers of change affecting it and its current status and trends. It describes the state of efforts to promote the sustainable use and conservation of biodiversity for food and agriculture, including through the development of supporting policies, legal frameworks, institutions and capacities. It concludes with a discussion of needs and challenges in the future management of biodiversity for food and agriculture. The report complements other global assessments prepared under the auspices of the Commission on Genetic Resources for Food and Agriculture, which have focused on the state of genetic resources within particular sectors of food and agriculture.

Download or read book Caring for the Land written by Aklilu Amsalu Taye and published by . This book was released on 2006 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Cropland expansion in Ethiopia Economic and climatic considerations for highland agriculture written by Schmidt, Emily and published by Intl Food Policy Res Inst. This book was released on 2018-11-22 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural GDP in Ethiopia grew at an average 7.3 percent per year between 2001/02 and 2012/13. Most of this dynamism occurred in the highlands, where high population density and land scarcity begs the question of how future agricultural output can be maintained to sustain the previous decade’s momentum. This paper uses a spatial regression approach to calculate the maximum crop area potential of each kebele in Ethiopia. We find that although the highlands have a greater potential for cropped area, there is little room to expand. A substantial share of the highlands has limited economic potential to expand the land base devoted to agriculture. In fact, many areas may be reaching an environmental threshold that will require the local agricultural land area to contract to maintain the agricultural productivity outcomes realized in previous years.

Download or read book Water resources and irrigation development in Ethiopia written by Seleshi Bekele Awulachew and published by IWMI. This book was released on 2007 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Irrigation programs / Water use / Reservoirs / Lakes / River basins / Water potential / Water resources

Download or read book Climate Change Resilient Agriculture and Agroforestry written by Paula Cristina Castro and published by Springer. This book was released on 2018-10-11 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects wide-ranging contributions such as case studies, reviews, reports on technological developments, outputs of research/studies, and examples of successful projects, presenting current knowledge and raising awareness to help the agriculture and forestry sectors find solutions for mitigating climate variability and adapting to change. It brings the topic of ecosystem services closer to education and learning, as targeted by the Framework Convention on Climate Change and the Paris Agreement, the 2030 Agenda for Sustainable Development and the EU Biodiversity Strategy to 2020. Climate change and its impacts on agriculture and agroforestry have been observed across the world during the last 50 years. Increasing temperatures, droughts, biotic stresses and the impacts of extreme events have continuously decreased agroforestry systems’ resilience to the effects of climate change. As such, there is a need to adapt farming and agroforestry systems so as to make them better able to handle ever-changing climate conditions, and to preserve habitats and ecosystems services.

Download or read book Climate Change Adaptation in Africa written by Walter Leal Filho and published by Springer. This book was released on 2017-03-27 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection showcases experiences from research and field projects in climate change adaptation on the African continent. It includes a set of papers presented at a symposium held in Addis Abeba in February 2016, which brought together international experts to discuss “fostering African resilience and capacity to adapt.” The papers introduce a wide range of methodological approaches and practical case studies to show how climate change adaptation can be implemented in regions and countries across the continent. Responding to the need for more cross-sectoral interaction among the various stakeholders working in the field of climate change adaptation, the book fosters the exchange of information on best practices across the African continent.

Download or read book Land to Investors written by Dessalegn Rahmato and published by African Books Collective. This book was released on 2011 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Under its program of land investments, the Ethiopian government has leased out huge tracts of land to domestic and foreign investors on terms that are highly favorable to both but particularly to foreign ones. Critical reports on the ibonanzai reaped by foreign capital have appeared in the world media and the websites of international activist organizations, and while some of these are based on questionable evidence, the global attention they have drawn may well be deserved given the image of the country as a land of poverty and hunger. This study, which is based on information gathered from field interviews as well as other sources, looks at the subject from a land rights perspective, with emphasis on the relations of power between small land-users and their communities on the one hand and the state on the other. At bottom what is at stake is the land and the resources on it, and what is being grabbed are rights that in most cases belong to peasant farmers, pastoralists and their communities. In the long run, the shift of agrarian system from small-scale to large-scale, foreign dominated production -which is what the investment program is now doing- will marginalize small producers, and cause immense damage to local ecosystems, wildlife habitats and biodiversity.

Download or read book Food and Agriculture in Ethiopia written by Paul Dorosh and published by University of Pennsylvania Press. This book was released on 2013-02-11 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: The perception of Ethiopia projected in the media is often one of chronic poverty and hunger, but this bleak assessment does not accurately reflect most of the country today. Ethiopia encompasses a wide variety of agroecologies and peoples. Its agriculture sector, economy, and food security status are equally complex. In fact, since 2001 the per capita income in certain rural areas has risen by more than 50 percent, and crop yields and availability have also increased. Higher investments in roads and mobile phone technology have led to improved infrastructure and thereby greater access to markets, commodities, services, and information. In Food and Agriculture in Ethiopia: Progress and Policy Challenges, Paul Dorosh and Shahidur Rashid, along with other experts, tell the story of Ethiopia's political, economic, and agricultural transformation. The book is designed to provide empirical evidence to shed light on the complexities of agricultural and food policy in today's Ethiopia, highlight major policies and interventions of the past decade, and provide insights into building resilience to natural disasters and food crises. It examines the key issues, constraints, and opportunities that are likely to shape a food-secure future in Ethiopia, focusing on land quality, crop production, adoption of high-quality seed and fertilizer, and household income. Students, researchers, policy analysts, and decisionmakers will find this book a useful overview of Ethiopia's political, economic, and agricultural transformation as well as a resource for major food policy issues in Ethiopia. Contributors: Dawit Alemu, Guush Berhane, Jordan Chamberlin, Sarah Coll-Black, Paul Dorosh, Berhanu Gebremedhin, Sinafikeh Asrat Gemessa, Daniel O. Gilligan, John Graham, Kibrom Tafere Hirfrfot, John Hoddinott, Adam Kennedy, Neha Kumar, Mehrab Malek, Linden McBride, Dawit Kelemework Mekonnen, Asfaw Negassa, Shahidur Rashid, Emily Schmidt, David Spielman, Alemayehu Seyoum Taffesse, Seneshaw Tamiru, James Thurlow, William Wiseman.

Download or read book Strategies and Priorities for African Agriculture written by Xinshen Diao and published by Intl Food Policy Res Inst. This book was released on 2012 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the first decade of the twenty-first century, countries within Sub-Saharan Africa reached milestones that seemed impossible only ten years ago: macroeconomic stability, sustained economic growth, and improved governance. Continuing this pattern of success will require enhancing the region’s agricultural sector, in which a large proportion of poor people make a living. The authors of Strategies and Priorities for African Agriculture: Economywide Perspectives from Country Studies argue that, although the diversity of the region makes generalization difficult, increasing staple-crop production is more likely to reduce poverty than increasing export-crop production. This conclusion is based on case studies of ten low-income African countries that reflect varying levels of resource endowments and development stages. The authors also recommend increased, more efficient public investment in agriculture and agricultural markets and propose new directions for future research. The last ten years have been an encouraging time for one of the world’s poorest regions; this book offers an analysis of how recent, promising trends can be sustained into the future.

Download or read book The Land Governance Assessment Framework written by Klaus Deininger and published by World Bank Publications. This book was released on 2012 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased global demand for land posits the need for well-designed country-level land policies to protect long-held rights, facilitate land access and address any constraints that land policy may pose for broader growth. While the implementation of land reforms can be a lengthy process, the need to swiftly identify key land policy challenges and devise responses that allow the monitoring of progress, in a way that minimizes conflicts and supports broader development goals, is clear. The Land Governance Assessment Framework (LGAF) makes a substantive contribution to the land sector by providing a quick and innovative tool to monitor land governance at the country level. The LGAF offers a comprehensive diagnostic tool that covers five main areas for policy intervention: Legal and institutional framework; Land use planning, management and taxation; Management of public land; Public provision of land information; and Dispute resolution and conflict management. The LGAF assesses these areas through a set of detailed indicators that are rated on a scale of pre-coded statements (from lack of good governance to good practice). While land governance can be highly technical in nature and tends to be addressed in a partial and sporadic manner, the LGAF posits a tool for a comprehensive assessment, taking into account the broad range of issues that land governance encompasses, while enabling those unfamiliar with land to grasp its full complexity. The LGAF will make it possible for policymakers to make sense of the technical levels of the land sector, benchmark governance, identify areas that require further attention and monitor progress. It is intended to assist countries in prioritizing reforms in the land sector by providing a holistic diagnostic review that can inform policy dialogue in a clear and targeted manner. In addition to presenting the LGAF tool, this book includes detailed case studies on its implementation in five selected countries: Peru, the Kyrgyz Republic, Ethiopia, Indonesia and Tanzania.

Download or read book Land Use Land use Change and Forestry written by R. T. Watson and published by Cambridge University Press. This book was released on 2000 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive, state-of-the-art IPCC report on carbon sequestration and the global carbon cycle.

Download or read book Managing Socio ecological Production Landscapes and Seascapes for Sustainable Communities in Asia written by Osamu Saito and published by Springer Nature. This book was released on 2020-02-10 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book presents up-to-date analyses of community-based approaches to sustainable resource management of SEPLS (socio-ecological production landscapes and seascapes) in areas where a harmonious relationship between the natural environment and the people who inhabit it is essential to ensure community and environmental well-being as well as to build resilience in the ecosystems that support this well-being. Understanding SEPLS and the forces of change that can weaken their resilience requires the integration of knowledge across a wide range of academic disciplines as well as from indigenous knowledge and experience. Moreover, given the wide variation in the socio-ecological makeup of SEPLS around the globe, as well as in their political and economic contexts, individual communities will be at the forefront of developing the measures appropriate for their unique circumstances. This in turn requires robust communication systems and broad participatory approaches. Sustainability science (SuS) research is highly integrated, participatory and solutions driven, and as such is well suited to the study of SEPLS. Through case studies, literature reviews and SuS analyses, the book explores various approaches to stakeholder participation, policy development and appropriate action for the future of SEPLS. It provides communities, researchers and decision-makers at various levels with new tools and strategies for exploring scenarios and creating future visions for sustainable societies.

Download or read book River Basin Development and Human Rights in Eastern Africa A Policy Crossroads written by Claudia J. Carr and published by Springer. This book was released on 2017-01-05 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is open access under a CC BY-NC 2.5 license. This book offers a devastating look at deeply flawed development processes driven by international finance, African governments and the global consulting industry. It examines major river basin development underway in the semi-arid borderlands of Ethiopia, Kenya and South Sudan and its disastrous human rights consequences for a half-million indigenous people. The volume traces the historical origins of Gibe III megadam construction along the Omo River in Ethiopia—in turn, enabling irrigation for commercial-scale agricultural development and causing radical reduction of downstream Omo and (Kenya's) Lake Turkana waters. Presenting case studies of indigenous Dasanech and northernmost Turkana livelihood systems and Gibe III linked impacts on them, the author predicts agropastoral and fishing economic collapse, region-wide hunger with exposure to disease epidemics, irreversible natural resource destruction and cross-border interethnic armed conflict spilling into South Sudan. The book identifies fundamental failings of government and development bank impact assessments, including their distortion or omission of mandated transboundary assessment, cumulative effects of the Gibe III dam and its linked Ethiopia-Kenya energy transmission 'highway' project, key hydrologic and human ecological characteristics, major earthquake threat in the dam region and widespread expropriation and political repression. Violations of internationally recognized human rights, especially by the Ethiopian government but also the Kenyan government, are extensive and on the increase—with collaboration by the development banks, in breach of their own internal operational procedures. A policy crossroads has now emerged. The author presents the alternative to the present looming catastrophe—consideration of development suspension in order to undertake genuinely independent transboundary assessment and a plan for continued development action within a human rights framework—forging a sustainable future for the indigenous peoples now directly threatened and for their respective eastern Africa states. Claudia Carr’s book is a treasure of detailed information gathered over many years concerning river basin development of the Omo River in Ethiopia and its impact on the peoples of the lower Omo Basin and the Lake Turkana region in Kenya. It contains numerous maps, charts, and photographs not previously available to the public. The book is highly critical of the environmental and human rights implications of the Omo River hydropower projects on both the local ethnic communities in Ethiopia and on the downstream Turkana in Kenya. David Shinn Former Ambassador to Ethiopia and to Burkina Faso Adjust Professor of International Affairs, The George Washington University, Washington D.C.