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Improved agricultural water management in the Nile Basin: intervention analysis

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Poster by Awulachew, S.B.; Demisse, S.S. and Molden, D.J. for: CPWF Nile Basin Focal Project Final Workshop, Dar es Salaam, Tanzania, 9 December 2009.

Poster by Awulachew, S.B.; Demisse, S.S. and Molden, D.J. for: CPWF Nile Basin Focal Project Final Workshop, Dar es Salaam, Tanzania, 9 December 2009.

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  • 1. FU Berlin Improved Agricultural Water Management In the Nile Basin Intervention Analysis S. B. Awulachew, S. S. Demisse, D. J. Molden Introduction IWMI Appropriate Interventions that increase the positive role and mitigate  C) Large Scale Interventions and Impact: the negative impact of water through water development and  management in the Nile Basin can contribute to: agricultural  -Interventions types: irrigation, hydropower, environment and wetlands productivity and growth, poverty reduction, livelihood  Increments of Irrigation in current, Medium and Long Term Scenarios improvement, national and trans‐national (regional) economic  transformations. The objectives of intervention analysis are: 5.00 Long-term 1) Inventory and characterize existing interventions in production  Irrigation Coverage in Million ha Medium-term systems 4.00 Current 2) document success and failures of interventions, map  3.00 intervention types, undertake performance analysis of existing  interventions 2.00 3) undertake tradeoff analysis, ranking and modeling to select and  evaluate high impact interventions, analyze consequences  and  1.00 device implementation strategy Types of Interventions and Impacts 0.00 Burundi Egypt Ethiopia Kenya Rwanda Sudan Tanzania Uganda a) Small Holder Scale Interventions: Rain fed, Irrigation,  Countries Livestock The 3 scenarios, how much Example: AWM interventions for small holder more irrigation planned? Continuum of Water control and Development, Lifting, Conveyance and Application Water Lifting/ Conveyance ‐Current status = 5.5 Mha Water Control/development Water Application R WH ‐Medium scenario = 8 Mha a Pond i ‐Long term scenario = 10.6 Mha n w SWC Is there enough water? a Pit t s ‐No not enough river water e r S ‐Realizing  future  plans  require  Water Sources u coordinated efforts are needed r f Diversion Micro dam a ‐But  more  rainwater  could  be  c e used for more agriculture w a t Measures e r •Need for water productivity gains  Hand dug •Water savings in the existing schemes  G wells r through increasing irrigation efficiency, re‐ o u use of water, etc d n •Promote low consumptive & high yield  crops •New strategies of storage &  management b) Impacts of Small Holder Ag.Water Management Interventions Simulated Nile River flow for the long‐term  development scenario Poverty profiles Poverty profiles 70 60 60 50 Conclusions 50 40 Incidence P e rc e nt ‐ Impact of use of technologies for water  P e rc e nt 40 User 30 Poverty gap 30 non-user 20 Severity access is significant in poverty reduction 20 10 10 0 ‐Upgrading rainfed systems is essential in  0 Pond Shallow Deep well micro River order to enhance agricultural productivity Incidence Poverty gap Severity well dams diversions Poverty indices ‐ Before expanding irrigation area, efforts for  AWM technologies increasing productivity of water, water saving,  22% less poverty among users; up to 50% poverty reduction with users of deep wells increased water management are required For more information contact: e‐mail address s.bekele@cgiar.org

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