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The Impact of Irrigation on Aquatic Wetland Resources - A Case Study of That Luang Marsh, Lao PDR

Author

Listed:
  • Phoupet Kyophilapong

    (Faculty of Economics and Business Management, National University of Laos)

Abstract

This study assesses the impact of irrigation on That Luang Marsh (TLM) in Vientiane, the capital city of the People’s Democratic Republic (PDR) of Laos. The study finds that the economic benefits provided by the marsh (particularly in terms of the fish it supplies to local people) far outweigh the benefits provided by the extraction of water for irrigation. As extraction of water for irrigation is threatening the ecology of the marsh and its ability to maintain a viable stock of fish, it is clear that the amount of water extracted for irrigation should be reduced. The report recommends that a minimum level for the water in TLM should be set to ensure the conservation of its precious wetland ecosystem. The report finds that, on balance, this would have a positive impact on the livelihoods of local people. This means that the conservation of the marsh makes good economic sense. To help the farmers who would be negatively affected by these measures, the report shows how they could be trained to use irrigation water more effectively, grow alternative crops that require less water than rice, catch fish and collect vegetables.

Suggested Citation

  • Phoupet Kyophilapong, 2009. "The Impact of Irrigation on Aquatic Wetland Resources - A Case Study of That Luang Marsh, Lao PDR," EEPSEA Research Report rr2009031, Economy and Environment Program for Southeast Asia (EEPSEA), revised Mar 2009.
    • Handle: RePEc:eep:report:rr2009031
    as

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    File URL: http://www.eepsea.org/pub/rr/12363298701PhouphetRR6.pdf
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    References listed on IDEAS

    as
    1. Molden, D., 1997. "Accounting for water use and productivity," IWMI Books, Reports H021374, International Water Management Institute.
    2. Molden, David J., 1997. "Accounting for water use and productivity," IWMI Books, International Water Management Institute, number 113623, January.
    3. Nguyen-Khoa, Sophie & Smith, L. & Lorenzen, K., 2005. "Impacts of irrigation on inland fisheries: appraisals in Laos and Sri Lanka," IWMI Research Reports H037215, International Water Management Institute.
    4. Nguyen-Khoa, Sophie & Smith, Laurence & Lorenzen, Kai, 2005. "Impacts of irrigation on inland fisheries: Appraisals in Laos and Sri Lanka," IWMI Research Reports 92824, International Water Management Institute.
    5. Smakhtin, V., 2002. "Environmental water needs and impacts of irrigated agriculture in river basins: A framework for a new research program," IWMI Working Papers H029686, International Water Management Institute.
    6. Tom Kompas, 2004. "Market reform, productivity and efficiency in Vietnamese rice production," International and Development Economics Working Papers idec04-4, International and Development Economics.
    Full references (including those not matched with items on IDEAS)

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    Keywords

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    JEL classification:

    • Q50 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - General
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth
    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics

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