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El valor del uso del agua en el regadío de la cuenca del Segura y en las zonas regables del trasvase Tajo-Segura

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  • Calatrava-Leyva, Javier
  • Martinez-Granados, David

Abstract

Este trabajo analiza el valor económico de uso del agua en la agricultura de regadío de la Cuenca del Segura y en las zonas regables que utilizan recursos procedentes del trasvase Tajo-Segura,para lo que se emplea un modelo de programación matemática no lineal que asigna los recursos hídricos y la superficie regable entre los cultivos de cada una de las 64 Unidades de Demanda Agraria de la cuenca.Los valores marginal y medio del agua obtenidos para el conjunto de la cuenca son 0,52 €/m3 y 0,81 €/m3 respectivamente, si bien existen notables diferencias entre zonas. El regadío de la cuenca genera una rentabilidad media privada, medida en términos de margen neto de las explotaciones, de 879 millones de €/año, mientras que el valor de la aportación media anual de los recursos trasvasados desde la cabecera del Tajo se ha estimado en 169 millones de euros.

Suggested Citation

  • Calatrava-Leyva, Javier & Martinez-Granados, David, 2012. "El valor del uso del agua en el regadío de la cuenca del Segura y en las zonas regables del trasvase Tajo-Segura," Economia Agraria y Recursos Naturales, Spanish Association of Agricultural Economists, vol. 12(01), June.
    • Handle: RePEc:ags:earnsa:124856
    DOI: 10.22004/ag.econ.124856
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    References listed on IDEAS

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    Cited by:

    1. Ramón García-Marín & Cayetano Espejo-Marín & Rubén Giménez-García & Víctor Ruiz-Álvarez, 2020. "Transformations in the Agricultural and Scenic Landscapes in the Northwest of the Region of Murcia (Spain): Moving towards Long Awaited (Un)Sustainability," Land, MDPI, vol. 9(9), pages 1-24, September.
    2. Pérez-Blanco, C. Dionisio & Sapino, Francesco & Saiz-Santiago, Pablo, 2023. "First-degree price discrimination water bank to reduce reacquisition costs and enhance economic efficiency in agricultural water buyback," Ecological Economics, Elsevier, vol. 205(C).
    3. Pérez-Blanco, C.D. & Gutiérrez-Martín, C., 2017. "Buy me a river: Use of multi-attribute non-linear utility functions to address overcompensation in agricultural water buyback," Agricultural Water Management, Elsevier, vol. 190(C), pages 6-20.
    4. Dolores Rey & Alberto Garrido & Javier Calatrava, 2016. "Comparison of Different Water Supply Risk Management Tools for Irrigators: Option Contracts and Insurance," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 65(2), pages 415-439, October.
    5. Berbel, J., 2015. "Nota sobre valor, coste y renta del agua de riego," Economia Agraria y Recursos Naturales, Spanish Association of Agricultural Economists, vol. 15(01).
    6. Dolores Rey & Alberto Garrido & Javier Calatrava, 2016. "An Innovative Option Contract for Allocating Water in Inter-Basin Transfers: the Case of the Tagus-Segura Transfer in Spain," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(3), pages 1165-1182, February.
    7. J. Maestre-Valero & D. Martínez-Granados & V. Martínez-Alvarez & J. Calatrava, 2013. "Socio-Economic Impact of Evaporation Losses from Reservoirs Under Past, Current and Future Water Availability Scenarios in the Semi-Arid Segura Basin," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 27(5), pages 1411-1426, March.

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