Water harvesting in Sub-Saharan Africa

著者

書誌事項

Water harvesting in Sub-Saharan Africa

edited by William Critchley and John Gowing ; associate editor, Eefke Mollee

Routledge, 2012

  • : pbk
  • : hbk

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注記

"Earthscan from Routledge"

Includes bibliographical references and index

内容説明・目次

内容説明

Agriculture in Sub-Saharan Africa is constrained by highly variable rainfall, frequent drought and low water productivity. There is an urgent need, heightened by climate change, for appropriate technologies to address this problem through managing and increasing the quantity of water on farmers' fields - water harvesting. This book defines water harvesting as a set of approaches which occupy an intermediate position along the water-management spectrum extending from in situ moisture conservation to irrigated agriculture. They generally comprise small-scale systems that induce, collect, store and make use of local surface runoff for agriculture. The authors review development experience and set out the state of the art of water harvesting for crop production and other benefits in Sub-Saharan Africa. This includes an assessment of water harvesting schemes that were initiated two or three decades ago when interest was stimulated by the droughts of the 1970s and 1980s. These provide lessons to promote sustainable development of dryland agriculture in the face of changing environmental conditions. Case studies from eight countries across Sub-Saharan Africa provide the evidence base. Each follows a similar format and is based on assessments conducted in collaboration with in-country partners, with a focus on attempts to promote adoption of water harvesting, both horizontally (spread) and vertically (institutionalization). Introductory cross-cutting chapters as well as an analytical conclusion are also included.

目次

Foreword 1. Introduction 2. Water Harvesting for Crop Production in Sub-Saharan Africa: Challenges, Concepts and Practices 3. A Review of the Recent Literature on Water Harvesting in Sub-Saharan Africa 4. Burkina Faso: Cradle of Farm Scale Technologies 5. Ethiopia: Opportunities for Building on Tradition - Time for Action 6. Kenya: From Drought Relief to Business Model 7. Niger: Small-Scale and Simple for Sustainability 8. Tanzania: Bright Spots and Barriers to Adoption 9. Sudan: Ancient Traditions Receiving a New Impetus 10. Zimbabwe: Keeping Runoff on the Land 11. Investing in water for agriculture in the Drylands of Sub-Saharan Africa: Considerations for a Conducive Policy Environment 12. Conclusions, Lessons and an Agenda for Action Index

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