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Presented by Tep Bunnarith (CEPA) at the International Forum on Water and Food (IFWF), South Africa, 14-17 November 2011. The International Forum on Water and Food (IFWF) is the premier gathering of water and food scientists working on improving water management for agricultural production in developing countries. The CGIAR Challenge Program for Water and Food (CPWF) represents one of the most comprehensive investments in the world on water, food and environment research.The Forum explores how the CPWF research-for-development (R4D) approach can address water and food challenges through a combination of process, institutional and technical innovations.
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Presented by Mr. Tep Bunnarith, CEPA
The Third International Forum on Water and Food, 14-17 November, 2011, Johannesburg, South Africa
Valuation of water multi-uses - case study on proposed Lower Sesan II Dam reservoir, Cambodia
Methodologies of research
• Survey of 300 households conducted in 18 villages both downstream and upstream of the proposed dam
• Focus on the value of river water for the diverse livelihoods of local communities in the immediate impact zone of the proposed Lower Sesan 2 project.
• Differentiated impacts on households will be evaluated based on characteristics such as male and female headed households, ethnic minority status, farm-size and livelihood patterns
Location of the studies site
Water Values considered -• Irrigation• Drinking Water• Domestic Water Consumption• Capture Fisheries• River Navigation both upstream /
downstream2 Road / market access from resettlement3 NTFP access4 Differences in agricultural land provided
at resettlement sites
Factors to be assessed
Preliminary findings of the households survey
1. Capture fishery is central to income and food security
2. River water is most important for domestic uses and for natural seasonal flood irrigation to farmland and gardens
3. River is playing key role as transportation and trading route
4. Unclear short and long-term impact of resettlement plan
5. NTFP is the secondary sources of income and food security
6. Water resources are significant for livestock.
Key messages and problems
1.Hydropower planning and development often overlooks the full range of water value derived from free flowing rivers by local communities and as a result negative impacts are underestimated during EIA processes.
2.A comprehensive integrated framework for assessing a broader range of water values can help understand the trade-offs due to hydropower development and also fill the gap in conventional EIA approaches.
Key messages – contd
Benefits of multiple-use of water should be integrated into short and long-term plan of reservoir design and operation
Thank you very much for your attention
