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Least-Cost Watershed Management Solutions: Using Gis Data In Economic Modeling Of A Watershed

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  • Ancev, Tihomir
  • Stoecker, Arthur L.

Abstract

Phosphorus pollution from excessive litter application causes eutorphication of lakes in the Eucha-Spavinaw watershed in eastern Oklahoma and western Arkansas. Consequent algal blooms impair the taste of municipal water supply drawn from the watershed. The paper shows how GIS data based biophysical modeling can be used to derive spatially optimal, least-cost allocation of management practices to reduce phosphorus runoff in the watershed. Transportation activities were added to the model so that transport of litter within and out of the watershed was possible. Results from the mathematical program suggest that uniform regulation of litter application is excessively costly regulatory measure and hence a regulation that assigns management practices according to the specific spatial characteristics is preferred. The results also show that alum based litter additives may be economically efficient management option.

Suggested Citation

  • Ancev, Tihomir & Stoecker, Arthur L., 2003. "Least-Cost Watershed Management Solutions: Using Gis Data In Economic Modeling Of A Watershed," 2003 Annual Meeting, February 1-5, 2003, Mobile, Alabama 35005, Southern Agricultural Economics Association.
    • Handle: RePEc:ags:saeatm:35005
    DOI: 10.22004/ag.econ.35005
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    Cited by:

    1. Philippe Bontems & Gilles Rotillon & Nadine Turpin, 2004. "Improvement of water quality as a joint production of milk when dairy farms are heterogeneous [Incitation à la production jointe d'eau de qualité et de lait lorsque les exploitations laitières sont," Post-Print hal-01606126, HAL.
    2. Coxhead, Ian A. & Demeke, Bayou, 2006. "Modeling Spatially Differentiated Environmental Policy in a Philippine Watershed: Tradeoffs between Environmental Protection and Poverty Reduction," 2006 Annual meeting, July 23-26, Long Beach, CA 21115, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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    Keywords

    Environmental Economics and Policy;

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