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Evaluating improvements in water use efficiency as a salinity mitigation option in the South Australian Mallee areas

Author

Listed:
  • Heaney, Anna
  • Beare, Stephen
  • Bell, Rosalyn

Abstract

Efficient investment in salinity mitigation requires an understanding of how different landscapes respond to alternative land and water use options at both a regional and a broader scale. A simulation modeling framework that integrates the relationships between land use, vegetation cover, surface and groundwater hydrology and agricultural returns was developed. The model presented here has been used to estimate the direct and external benefits of improved water use efficiency in the Mallee irrigation areas of South Australia. Upstream investments in water use efficiency can generate substantial external benefits to downstream users through improved water quality. Given the non-exclusive and diffuse nature of these benefits, achieving the socially optimal level of improvement in water quality is likely to require institutional arrangements that promote collective investment and public expidenture.

Suggested Citation

  • Heaney, Anna & Beare, Stephen & Bell, Rosalyn, 2001. "Evaluating improvements in water use efficiency as a salinity mitigation option in the South Australian Mallee areas," 2001 Conference (45th), January 23-25, 2001, Adelaide, Australia 125652, Australian Agricultural and Resource Economics Society.
    • Handle: RePEc:ags:aare01:125652
    DOI: 10.22004/ag.econ.125652
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    Cited by:

    1. Lee, Juhee & Hendricks, Nathan P., 2022. "Crop Choice Decisions in Response to Soil Salinization on Irrigated Land in California," 2022 Annual Meeting, July 31-August 2, Anaheim, California 322602, Agricultural and Applied Economics Association.
    2. Nordblom, Tom & Finlayson, John D. & Hume, Iain H. & Kelly, Jason A., 2009. "Supply and Demand for Water use by New Forest Plantations: a market to balance increasing upstream water use with downstream community, industry and environmental use?," Research Reports 280785, New South Wales Department of Primary Industries Research Economists.
    3. Claire Settre & Jeff Connor & Sarah Ann Wheeler, 2017. "Reviewing the Treatment of Uncertainty in Hydro-economic Modeling of the Murray–Darling Basin, Australia," Water Economics and Policy (WEP), World Scientific Publishing Co. Pte. Ltd., vol. 3(03), pages 1-35, July.
    4. Nordblom, Thomas L. & Bathgate, Andrew D. & Young, Robert A., 2003. "Derivation of supply curves for catchment water effluents meeting specific salinity concentration targets in 2050: linking farm and catchment level models or “Footprints on future salt / water planes”," 2003 Conference (47th), February 12-14, 2003, Fremantle, Australia 57929, Australian Agricultural and Resource Economics Society.
    5. Spencer, Thomas & Ancev, Tihomir, 2006. "Offsetting with Salinity Credits: An Alternative to Irrigation Zoning," 2006 Annual Meeting, August 12-18, 2006, Queensland, Australia 25517, International Association of Agricultural Economists.
    6. Chant, Lindsay & McDonald, Scott & Verschoor, Arjan, 2004. "The Role of the 1994-95 Coffee Boom in Uganda's Recovery," Conference papers 331235, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.

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