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Water management options for food security in South Africa: scenarios, simulations and policy implications

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  • Abdul Kamara
  • Hilmy Sally

Abstract

Recent research activities of the International Water Management Institute on water and food security have led to the development of a user-friendly simulation model, Podium, to test national policy options on water allocation to different uses. This article presents an application of the model to South Africa, where water resources development and management constitute a high national priority. Data on demography, nutritional requirements, food imports and exports, climate and hydrology are used to create scenarios about meeting future water requirements for food production while simultaneously satisfying the water requirements of other sectors. The simulation results highlight the need to improve productivity in irrigation and also intensify rainfed agriculture to avoid future food insecurity, especially under high population projections. Merely expanding irrigated areas will not make significant impacts on national-level food security. There also appears to be scope for increasing domestic per capita water consumption without altering current diversions for agriculture and other requirements.

Suggested Citation

  • Abdul Kamara & Hilmy Sally, 2004. "Water management options for food security in South Africa: scenarios, simulations and policy implications," Development Southern Africa, Taylor & Francis Journals, vol. 21(2), pages 365-384.
    • Handle: RePEc:taf:deveza:v:21:y:2004:i:2:p:365-384
    DOI: 10.1080/0376835042000219596
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    References listed on IDEAS

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    1. Rosegrant, Mark W. & Ringler, Claudia, 1999. "Impact on food security and rural development of reallocating water from agriculture:," EPTD discussion papers 47, International Food Policy Research Institute (IFPRI).
    2. Webb, Patrick & Iskandarani, Maria, 1998. "Water Insecurity and the Poor: Issues and Research Needs," Discussion Papers 279785, University of Bonn, Center for Development Research (ZEF).
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    Cited by:

    1. Alvaro Calzadilla & Katrin Rehdanz & Richard S.J. Tol, 2008. "The Eonomic Impact Of More Sustainable Water Use In Agriculture: A Computable General Equilibrium Analysis," Working Papers FNU-169, Research unit Sustainability and Global Change, Hamburg University, revised Dec 2008.
    2. Palatnik, Ruslana & Shechter, Mordechai, 2008. "Can Climate Change Mitigation Policy be Beneficial for the Israeli Economy? A Computable General Equilibrium Analysis," Conference papers 331792, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    3. Calzadilla, Alvaro & Rehdanz, Katrin & Tol, Richard S.J., 2008. "Water scarcity and the impact of improved irrigation management: A CGE analysis," Conference papers 331788, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.

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