Valoración económica del servicio hidrológico del acuífero de La Paz, b.c.s.: Una valoración contingente del uso de agua municipal

Gerzaín Avilés-Polanco, Leonardo Huato Soberanis, Enrique Troyo-Diéguez, Bernardo Murillo Amador, José Luis García Hernández, Luis Felipe Beltrán-Morales

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Resumen

Los servicios hidrológicos son aquellos que la sociedad obtiene de los ecosistemas. El objetivo de este trabajo es realizar la valoración económica del acuífero de La Paz, Baja California Sur. Para conocer la disponibilidad a pagar (dap) de los hogares por la provisión de agua se utilizó el método de valoración contingente (mvc). Los resultados revelan que el consumo diario del agua determina la dap, implicando que hogares con mayor consumo tienen una menor dap. Los hogares con tandeo de agua presentan una mayor dap, respecto de aquéllos con flujo continuo.

Economic Valuation of Hydrological Services in the
La Paz, B.C.S., Aquifer: A Valuation Contingent
on Municipal Water Use

Abstract

Society depends on ecosystems to service its hydrological resources. This study’s objective was an economic assessment of the La Paz aquifer. We used the Contingent Valuation Method (vcm) to estimate households’ willingness to pay (wtp) to maintain their water supply. The results reveal that the daily consumption of water determines the wtp. This implies that households with higher consumption have lower wtp, whereas households that have rotating access to water have a higher wtp, compared with those with continuous flow of water.

Palabras clave: Acuífero de La Paz;servicio hidrológico;sobreexplotación;disponibilidad a pagar;valoración económica



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