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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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    1. Heckelei, Thomas & Britz, Wolfgang, 2000. "Positive Mathematical Programming with Multiple Data Points: A Cross-Sectional Estimation Procedure," Cahiers d'Economie et de Sociologie Rurales (CESR), Institut National de la Recherche Agronomique (INRA), vol. 57.
    2. Javier Calatrava & Alberto Garrido, 2005. "Modelling water markets under uncertain water supply," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 32(2), pages 119-142, June.
    3. Ottmar Röhm & Stephan Dabbert, 2003. "Integrating Agri-Environmental Programs into Regional Production Models: An Extension of Positive Mathematical Programming," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 85(1), pages 254-265.
    4. Mitchel Y. Abolafia (ed.), 2005. "Markets," Books, Edward Elgar Publishing, number 2788.
    5. Javier Calatrava & Alberto Garrido, 2005. "Spot water markets and risk in water supply," Agricultural Economics, International Association of Agricultural Economists, vol. 33(2), pages 131-143, September.
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    Citations

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    Cited by:

    1. 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.
    2. 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).
    3. 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.
    4. 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).
    5. 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.
    6. 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.
    7. 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.

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