Workshop Trade-off Analysis - CGIAR_19 Feb 2013_Workshop Introduction Ken Giller

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  • Optimization = only modeling? Synergies.
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  • Workshop Trade-off Analysis - CGIAR_19 Feb 2013_Workshop Introduction Ken Giller

    1. 1. Analysis of Trade-Offs in Agricultural Systems
    2. 2. NUANCES - Nutrient Use in ANimal andCropping systems – Efficiency and ScalesA framework for analysis of trade-offs in African smallholderfarming systems
    3. 3. NE-DEED research method Giller et al. (2008)
    4. 4. Trade-offs – and synergies?• Resource scarcity – and resource use efficiencies• Time scale – productivity vs. sustainability• Spatial scale and hierarchical level – Field, farm, farming system, terroir, landscape, watershed, region, country, globe – Physical/geographical vs. political levels• Claims – from global to local• Win-win? – win-lose – or lose-lose scenarios• Power – whose voice, whose power• Methods and approaches• Key questions and hypotheses
    5. 5. Jevon’s Paradox …increases in the efficiency with which a resource is used lead to faster depletion of that resource…Jevons, 1865
    6. 6. Rules of engagement• Simple, plain language• Short questions – short answers• Open and vigorous discussion – please frame criticism and comment positively

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