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Adjustment to Salinity in Irrigation Regions: Ex Post Evaluation of the Tragowel Plains Plan AgEcon
Baird, Catherine A.; Gyles, Oliver.
An early-mid project evaluation of the benefits and costs of the Tragowel Plains Salinity Management Plan estimated the net cost after six years at A$ 5.5 million. The cumulative cash flows for the water transfer, drainage and halophyte programs were all positive with benefit to cost ratios (BCRs) of 3.2, 1.3 and 1.1. Inclusion of estimated future benefits and costs to year 30 gave BCRs of 13.7, 1.3 and 4.0 with net present values (NPVs) of A$ 18.8 million, 2.5 million and 0.4 million respectively. Net costs for other integrated programs including salinity survey, whole farm planning, facilitation of structural adjustment, revegetation and coordination of implementation reduced the NPV of the first six years of implementation to A$ 12.1 million. The water...
Tipo: Presentation Palavras-chave: Salinity; Structural adjustment; Water transfer; Water market; Tragowel Plains; Resource /Energy Economics and Policy.
Ano: 1999 URL: http://purl.umn.edu/123760
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Economics of Reduced Water Allocations: Estimating Impacts on the Northern Victorian Dairy Industry AgEcon
Gyles, Oliver; Baird, Catherine A.; Brown, Stuart.
Water use efficiency data was used to estimate the impact of reducing sales water allocations on a range of irrigated dairy farms categorised according to intensity of water right. The expected deficiency in available water was estimated for each farm category on the basis of historical demand for sales and the potential production loss estimated. The cost of substitution through management options of purchasing 1) water right (with associated sales), 2) temporary sales water, or 3) feed supplements as grain or hay and silage was calculated. Purchase of water right was found to be the cheapest option and the regional transfer volume required estimated at 93 GL of water right valued at A$ 60.7 million. The average transfer requirement was estimated at 31 ML...
Tipo: Presentation Palavras-chave: Water use efficiency; Water allocations; Industry impact; Water policy; Property rights; Risk management.; Resource /Energy Economics and Policy.
Ano: 1999 URL: http://purl.umn.edu/123810
Registros recuperados: 2
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