The use value of water in the irrigated agriculture of the Segura basin and in the irrigated areas of the Tajo-Segura transfer (SE Spain)
DOI:
https://doi.org/10.7201/earn.2012.01.01Keywords:
Economía del agua, valoración económica del agua, uso agrario del agua, programación matemática positiva.Abstract
This study calculates the use value of water in the irrigated agriculture of the Segura basin and in the irrigated areas served from the Tajo-Segura transfer. Water is valued using a non-linear mathematical programming model that allocates water and irrigated land among crop activities in each of the 64 Water Demand Units of the basin. The marginal and average value of water for the basin are 0,52 €/m3 and 0,81 €/m3 respectively, with marked differences between areas. Irrigation in the Segura basin generates an average annual farm net margin of 879 million €/year, whereas the average annual value of resources transferred from the Tajo basin has been conservatively estimated at 169 million Euros.
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2012-05-08
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