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Adaptation of Gambian Agriculture to Climate Change: Novel or re-discovered strategies . Prepared by the AF47 team Momodou Njie, Molly Hellmuth, Peter Droogers, Bubu Jallow, John Mac Callaway, Bernard Gomez and
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Adaptation of Gambian Agriculture to Climate Change: Novel or re-discovered strategies Prepared by the AF47 team Momodou Njie, Molly Hellmuth, Peter Droogers, Bubu Jallow, John Mac Callaway, Bernard Gomez and presented at the Second AIACC Regional Workshop for Africa and Indian Ocean Islands24 – 27 March 2004 Hotel Ngor Diarama, Dakar, Senegal
Approach • Literature review • Collection of physical and socio-economic data • Qualitative assessment of coping/adaptation strategies • Crop modelling • Benefit-cost and economic analyses
Some GCM results Yundum HadCM3_A2 Yundum ECHAM4_A2
More GCM results Yundum HadCM3_A2 Yundum ECHAM4_A2
Analytical Framework Social/Political acceptability Climate Scenarios (SRES) RegCM/Downscaling Land & Water Resources Socioeconomic Scenarios Crop Model Adaptation Options Crop Production Benefits and Costs
Crop Modelling SWAP-WOFOST
Crop Modelling Results Distant Future (2070 – 2099)
Macroeconomic Analyses (1) Stock-to-utilisation ratio = 20% Stock-to-utilisation ratio = 0%
Microeconomic Analyses Yield response for different WUEs 1m3= $0.31 1m3= $0.12 1m3= $0.05
Work to be done • Evaluate benefits of conjunctive use of surface and groundwater • Develop future socio-economic scenarios • Detailed/refined economic analyses
THANKS FOR YOUR KIND ATTENTION