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Author: Paul Pavelic
Publisher: Taylor & Francis
ISBN: 1000866440
Category : Nature
Languages : en
Pages : 237
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Book Description
This book provides a comprehensive analysis of the benefits and challenges of intensifying groundwater irrigation in Sub-Saharan Africa (SSA) for improving smallholder agrarian livelihoods. Only about 3% of the groundwater resources of Sub-Saharan Africa are used for irrigated agriculture despite the subcontinent’s relative abundance of groundwater. The majority of the region’s smallholders are highly dependent on seasonal dryland cropping, making them extremely vulnerable to uncertain weather patterns and droughts. Improved irrigation capabilities through sustainable groundwater development could unleash smallholder farming and make it a major driver of economic growth, poverty reduction, climate resilience, and improved food security. So, why is groundwater so underused? Tapping into groundwater requires a major shift in farming practices and it has its own challenges and requirements – smallholder access to land and finance for irrigation infrastructure and equipment, gendered and equitable adoption options. This whole list is framed in terms of what the smallholder farmers need. Hence, this should also be put in this context, supply chains, energy access, resource availability, and institutional support. The chapters in this book present a picture that is not only heterogeneous across the region, but also hold some common denominators. They serve to enrich the discourse and help better understand the barriers along the pathways toward the sustainable and transformative adoption of groundwater irrigation. The scientific information provided herein would be of interest to researchers, practitioners, decision makers and planners with interest in the region. This book was originally published as a Special Issue of Water International journal.
Author: Paul Pavelic
Publisher: Taylor & Francis
ISBN: 1000866440
Category : Nature
Languages : en
Pages : 237
Get Book Here
Book Description
This book provides a comprehensive analysis of the benefits and challenges of intensifying groundwater irrigation in Sub-Saharan Africa (SSA) for improving smallholder agrarian livelihoods. Only about 3% of the groundwater resources of Sub-Saharan Africa are used for irrigated agriculture despite the subcontinent’s relative abundance of groundwater. The majority of the region’s smallholders are highly dependent on seasonal dryland cropping, making them extremely vulnerable to uncertain weather patterns and droughts. Improved irrigation capabilities through sustainable groundwater development could unleash smallholder farming and make it a major driver of economic growth, poverty reduction, climate resilience, and improved food security. So, why is groundwater so underused? Tapping into groundwater requires a major shift in farming practices and it has its own challenges and requirements – smallholder access to land and finance for irrigation infrastructure and equipment, gendered and equitable adoption options. This whole list is framed in terms of what the smallholder farmers need. Hence, this should also be put in this context, supply chains, energy access, resource availability, and institutional support. The chapters in this book present a picture that is not only heterogeneous across the region, but also hold some common denominators. They serve to enrich the discourse and help better understand the barriers along the pathways toward the sustainable and transformative adoption of groundwater irrigation. The scientific information provided herein would be of interest to researchers, practitioners, decision makers and planners with interest in the region. This book was originally published as a Special Issue of Water International journal.
Author: Paul Pavelic
Publisher: International Water Management Institute (IWMI)
ISBN: 9290908238
Category : Technology & Engineering
Languages : en
Pages : 52
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Book Description
In the Dry Zone of Myanmar, improved access to water is widely acknowledged as being vital for livelihood enhancement and the general well-being of around 10 million people, most of whom depend on agriculture. Thus, expanding the sustainable use of groundwater is of great importance for socioeconomic development. According to this study, opportunities for accessing groundwater are generally good, and development of the resource has steadily increased over the years. However, there still appears to be good prospects for expanding groundwater use for irrigation, with a view to increasing agricultural production. Provision of affordable mechanical technologies for drilling wells and support with credit facilities to purchase small-capacity motorized pumps for irrigation could improve food security and livelihoods, where there is potential to expand groundwater use. Replenishable groundwater resources of the Dry Zone are likely to be less than previously thought. Thus, it is important to find the right balance between increasing development of the resource for enhanced irrigation, while also protecting its existing beneficial use for communities and the environment.
Author: M. R. Islam
Publisher: John Wiley & Sons
ISBN: 111965114X
Category : Technology & Engineering
Languages : en
Pages : 343
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Book Description
This is the only book that takes a zero-waste approach to propose 100% sustainable water purification techniques. Water is synonymous with life. This has been the case since pre-historic time to the modern era. For the first time, humanity faces a crisis that eclipses the energy crisis, which has often incapacitated the global economy. The Climate-Water-Food nexus epitomizes our current civilization that depends on energy as the driver. Many recognize this crisis as a product of fossil fuel production, which allegedly triggered climate change and the "climate change debate." Others predict the onslaught of "water wars" in the coming decades. As the world gears up to another lineup of empty promises and ensuing chaos, this book turns this crisis on its head and shows the source of the water crisis. The science behind the water cycle is described in clear language, without resorting to dogmatic assertions and spurious assumptions. The role of the sun, natural carbon dioxide (CO2) and water and the need to maintain natural processes free from artificial chemicals are discussed in detail. The book makes it clear how most of the currently used purification techniques violates the natural cycle involving sunlight, CO2 and water, and thus become unsustainable. A series of water purification techniques, as usable for drinking, agricultural and industrial applications are presented. The advantages of these techniques and their long-term sustainability are highlighted, with discussion on improvements in the future. Whether for the engineer or scientist working in the field or laboratory or the student, this is a must-have for any engineer, scientist, student, or policymaker.
Author: David B. Brooks
Publisher: Springer Nature
ISBN: 9811502528
Category : Technology & Engineering
Languages : en
Pages : 114
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Book Description
This book highlights the search for permanent freshwater agreements between Israel, Palestine, and the western portions of Jordan, and underscores the benefits of shared water management among the three countries. Throughout the book, efforts are made to share transboundary water in ways that are simultaneously physically feasible, ecologically sustainable, and socially equitable. Thanks to the Peace Treaty between Israel and Jordan, the management of shared water resources has been working well, though future relationships are uncertain at present. However, the current arrangements for Israel and Palestine are, at best, inadequate and, in some cases, counterproductive. In closing, the book argues that trilateral agreements on water can and should be concluded now, before seeking to resolve the full range of issues that remain uncertain in a Final Status Agreement between Israel and Palestine.
Author: Mayaux, L.P., Lejars, C., Farolfi, S., Adamczewski-Hertzog, A., Hassenforde, E., Faysse, N., Jamin, J.Y.
Publisher: Food & Agriculture Org.
ISBN: 9251366330
Category : Technology & Engineering
Languages : en
Pages : 71
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Book Description
This report reviews the main global trends in land and water uses, policies and investments that have taken place over the last decade and identifies the institutional arrangements that have been the most conducive to sustainable and equitable use of these resources. The report focuses particularly on family farmers, who have limited access to key resources (land, water, credit and infrastructure). It pays special attention to their common challenges and needs, but also to their diverse conditions. It provides evidence-based information on the institutional conditions needed to ensure inclusive land and water programmes, and to upscale such programmes at local levels. It is based on a systematic review of official documents and academic papers and on detailed case studies, often grounded in the authors’ own significant knowledge. The report is organized in three main parts. The first section begins with a review of the main global trends affecting land and water uses over the last decade, and links them to the public policies and types of private investment that encouraged such trends. The main structural drivers of growing pressures on water resources and land availability are discussed, including population growth, diet changes, climate change, urbanization and biofuel development. The report discusses the direct effects of these drivers, including water scarcity, increased global competition for land use and the degradation of existing resources, on land and water availability. It then examines the main types of private investments and public policies that drive these trends: large-scale land acquisition, reassertion of large-scale infrastructure programmes for surface water irrigation, public subsidies and private initiatives that stimulate access to groundwater. The second section of the report focuses on the impacts of global changes, policies and investments on farmers’ livelihoods and water use. It reviews the numerous beneficial impacts of irrigation on poverty reduction emphasizing that they are highly contextual and unequally shared across social groups. It documents the widening gap between irrigated and rainfed areas, and the risks of a medium-term crisis for agricultural economies that are based on groundwater irrigation. It emphasizes that existing policies are poorly tailored to farmers’ needs. Lastly, the section documents the complex relationship between migration and increased pressures on land and water. The third section of the report charts the way forward for more sustainable and equitable management of land and water. It takes stock of policies inspired by the principles of integrated water resources management (IWRM).
Author: World Bank
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 324
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Book Description
3. Investing in people.
Author: Connor, Richard
Publisher: UNESCO Publishing
ISBN: 9231000713
Category : Energy development
Languages : en
Pages : 139
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Book Description
The United Nations World Water Assessment Programme (WWAP) is hosted and led by UNESCO. WWAP brings together the work of 31 UN-Water Members as well as 37 Partners to publish the United Nations World Water Development Report (WWDR) series. Under the theme Water for Sustainable Development, the WWDR 2015 has been prepared as a contribution from UN-Water to the discussions surrounding the post-2015 framework for global sustainable development. Highlighting water's unique and often complex role in achieving various sustainable development objectives, the WWDR 2015 is addressed to policy- and decision-makers inside and outside the water community, as well as to anyone with an interest in freshwater and its many life-giving benefits. The report sets an aspirational yet achievable vision for the future of water towards 2050 by describing how water supports healthy and prosperous human communities, maintains well functioning ecosystems and ecological services, and provides a cornerstone for short and long-term economic development. It provides an overview of the challenges, issues and trends in terms of water resources, their use and water-related services like water supply and sanitation. The report also offers, in a rigorous yet accessible manner, guidance about how to address these challenges and to seize the opportunities that sound water management provides in order to achieve and maintain economic, social and environmental sustainability.
Author: Dipak Gyawali
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 308
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Book Description
This engaging examination of the fate of Nepal's premier natural resource has a significance that transcends both the specific experience of Nepal and the water sector. In this book Dipak Gyawali argues for the necessity of moving away from a technocratic approach, to take full account of the social and political context of any development intervention, focusing on the costs and benefits borne by ordinary people. He shows that both analytical comprehension and effective policy action require a holistic conceptualization of the interface between water (or any natural resource), technology, and social context.
Author: International Development Research Centre (Canada)
Publisher: IDRC
ISBN: 088936804X
Category : Water resources development
Languages : en
Pages : 313
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Book Description
Water Management in Africa and the Middle East: Challenges and Opportunities
Author: Eric Tielkes
Publisher: Cuvillier Verlag
ISBN: 3736968809
Category :
Languages : en
Pages : 843
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Book Description
Tropentag is the largest interdisciplinary conference in Europe focusing on development- oriented research in the fields of tropical and subtropical agriculture, food security, natural resource management and rural development. It is clear that a just and sustainable transformation of our food systems is urgently needed: climate change, conflicts, rising food and fuel prices, and growing social and income inequalities are exacerbating the vulnerabilities of our food systems. The theme invites diverse contributions that explore different pathways for transforming food systems and the trade-offs and synergies involved, ranging from more technical solutions, such as climate-smart agriculture and biofortified crops, to more systematic solutions for changing the underlying relationships of our food systems, such as agroecology and alternative food networks.
