图书简介
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.
Introduction: Identifying the barriers and pathways forward for expanding the use of groundwater for irrigation in Sub-Saharan Africa
Paul Pavelic, Karen G. Villholth and Shilp Verma
1. Groundwater irrigation for smallholders in Sub-Saharan Africa – a synthesis of current knowledge to guide sustainable outcomes
Karen G. Villholth
2. Smallholder groundwater irrigation in Sub-Saharan Africa: country-level estimates of
development potential
Paul Pavelic, Karen G. Villholth, Yunqiao Shu, Lisa-Maria Rebelo and Vladimir Smakhtin
3. Understanding smallholder irrigation in Sub-Saharan Africa: results of a sample survey from nine countries
Tushaar Shah, Shilp Verma and Paul Pavelic
4. Do policy and institutional factors explain the low levels of smallholder groundwater use in Sub-Saharan Africa?
Srinivas Chokkakula and Mark Giordano
5. Small pumps and poor farmers in Sub-Saharan Africa: an assessment of current extent of use and poverty outreach
Regassa E. Namara, Gebrehawaria Gebregziabher, Meredith Giordano and Charlotte De Fraiture
6. Small pumps and the poor: a field survey in the Upper East Region of Ghana
Saa Dittoh, Joseph A. Awuni and Margaret A. Akuriba
7. Improving the supply chain of motor pumps to accelerate mechanized small-scale private irrigation in Zambia
Willem Colenbrander and Barbara van Koppen
8. Gender aspects of smallholder private groundwater irrigation in Ghana and Zambia
Barbara Van Koppen, Lesley Hope and Willem Colenbrander
9. Integrated assessment of hydrogeology and water quality for groundwater-based irrigation development in the Raya Valley, northern Ethiopia
Tenalem Ayenew, Merhawi GebreEgziabher, Seifu Kebede and Sileshi Mamo
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