The integrated use of surface, ground and recycled waste water in adapting to drought in the traditional irrigation system of Valencia

Mar Ortega-Reig, Guillermo Palau-Salvador, Maria Josep Cascant i Sempere, Javier Benitez-Buelga, David Badiella and Paul Trawick

Agricultural Water Management, 2014, vol. 133, issue C, 55-64

Abstract: Successful farmer-managed irrigation systems are known to exist in various parts of the world, and they are generally based on the sharing of surface or river water. However, it is unusual to find examples of both “integrated” and “adaptive” agricultural water management. This paper describes how one of the most famous systems, the irrigation system of the huerta (vegetable garden) of Valencia in Spain, has integrated ground and recycled water use. It analyzes the conjunctive use of every kind of resource and how this was crucial in adapting to the recent drought occurring between 2005 and 2008. Several operating principles, such as autonomy, contiguity, uniformity and proportionality, have been identified in previous research and shown to govern the allocation and use of water in different parts of the world, including Valencia. These principles produce conditions of equity and transparency. In order to investigate the perceptions of stakeholders in Valencia, interviews were conducted with farmers and the management boards of Irrigation Communities (ICs) and Groundwater User Associations (GUAs). The results show that the existing supplementary resources, such as recycled wastewater or Drought Emergency Wells, do not drastically change the way that the farmers manage the system. The main difference occurs in the regularity of the supply. On the other hand, the principles of autonomy, proportionality and transparency are also present in the ordinary use of groundwater from GUAs, although proportionality is defined differently in some GUAs. The farmers follow clearly defined rules, which produce an equitable and efficient use of the resource and create transparency. Results show that both existing organizations have devised a community-based system that is successful at managing water resources.

Keywords: Water resources; Adaptation; Common-property; Traditional irrigation; Integrated management (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:133:y:2014:i:c:p:55-64

DOI: 10.1016/j.agwat.2013.11.004

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