Economic effects of water recovery on irrigated agriculture in the Murray‐Darling Basin
AbstractA key issue facing water planners and policy makers is the cost of reallocating water from extractive uses, such as irrigated agriculture, to environmental flows. To quantify these costs, a framework to analyze the economic trade-offs from water use reductions in irrigated agriculture is developed that has general applications, but is calibrated to Australiaâs Murray-Darling Basin. The framework includes an 18-region integrated irrigated agriculture water model of the Murray-Darling Basin that quantifies the impact on irrigated agriculture net profits associated with reductions in surface water extractions. The model shows that substantial reductions in water extractions of up to 40% across the entire Basin impose only a moderate reduction on net profits in irrigated agriculture, Basin-wide. However, the results also indicate that in regions where less profitable irrigation activities dominate, irrigated water use would fall dramatically although net profits would decline by proportionately by much less. The findings suggest that reductions in water diversions in irrigated agriculture at least cost so as to increase environmental flows would: (1) Concentrate the reductions in water extractions by irrigated agriculture in relatively few parts of the Murray-Darling Basin and, principally, on only three less profitable crops; (2) Reduce net profits, both regionally and Basin-wide, but these declines would be proportionally much less than the percentage reductions in water use; and (3) Ensure the present value of foregone net profits in irrigated agriculture is less than the amount currently budgeted by the Australian government to reduce surface water extractions in the Murray-Darling Basin.
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Bibliographic InfoArticle provided by Australian Agricultural and Resource Economics Society in its journal Australian Journal of Agricultural and Resource Economics.
Volume (Year): 55 (2011)
Issue (Month): 4 (October)
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Web page: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1467-8489
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Other versions of this item:
- R. Quentin Grafton & Qiang Jiang, 2010. "Economic Effects of Water Recovery on Irrigated Agriculture in the Murray‐Darling Basin," Centre for Water Economics, Environment and Policy Papers 1011, Centre for Water Economics, Environment and Policy, Crawford School of Public Policy, The Australian National University.
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- M. Ejaz Qureshi & Jeff Connor & Mac Kirby & Mohammed Mainuddin, 2007. "Economic assessment of acquiring water for environmental flows in the Murray Basin ," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 51(3), pages 283-303, 09.
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- Qureshi, Muhammad Ejaz & Connor, Jeffery D. & Kirby, Mac & Mainuddin, Mohammed, 2002. "Economic assessment of acquiring water for environmental flows in the Murray Basin," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 51(3), September.
- Qureshi, M. Ejaz & Shi, Tian & Qureshi, Sumaira E. & Proctor, Wendy, 2009. "Removing barriers to facilitate efficient water markets in the Murray-Darling Basin of Australia," Agricultural Water Management, Elsevier, vol. 96(11), pages 1641-1651, November.
- Kirby, Mac & Mainuddin, Mohammed & Gao, Lei & Connor, Jeffery D. & Ahmad, Mobin-ud-Din, 2012. "Integrated, dynamic economic – hydrology model of the Murray-Darling Basin," 2012 Conference (56th), February 7-10, 2012, Freemantle, Australia 124487, Australian Agricultural and Resource Economics Society.
- Morrison, Mark & Wheeler, Sarah Ann & Hatton MacDonald, Darla, 2011. "Towards a more nuanced discussion of the net-benefits of sharing water in the Murray-Darling Basin," AFBM Journal, Australasian Farm Business Management Network, vol. 8(2).
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