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<p>Hydrological services (HSs) are natural functions of ecosystems that provide great benefits to human society, such as water supply, fish provision, and the regulation of the water quality in rivers. In Mexico, payment for hydrological services (PHS) programs, which aim to reduce deforestation and protect water resources, have been implemented since 2003. However, the outcomes of these programs have been limited due to the low level of funding and the lack of social inclusion with rural localities. This study develops a hybrid model by (1) generating monetized units valuing the HSs that could justify the costs involved in conservation practices and (2) integrating/exploring the notion of willingness to work (WTW) to enhance the active participation and inclusion of rural communities in a PHS program. This study was conducted in the Pixquiac watershed, Veracruz, Mexico, which is one of the main water supplies of the state capital and is considered a biodiversity <i>hotspot</i>. Concepts such as the market price approach, replacement cost and contingent valuation were applied to determine the direct use value, indirect use value and nonuse value of HSs. The annual benefits provided by HSs were estimated at 145.2 USD/hectare. In contrast, the current PHS in the territory is <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\:\sim\)</EquationSource> </InlineEquation>56 USD/hectare. The generated units can be used as reference values by decision-makers to upgrade the PHS program.</p>

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Economic and social valuation of hydrological services for water conservation: A case study in a Mexican watershed

  • 期刊论文

  • 发表日期：

    2026年2月2日

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  • Milena Claire Dupont,
  • Rabindranarth Romero-Lopez,
  • Maria Concepcion Martinez-Rodriguez,
  • Estefania Martinez-Tavera,
  • Pedro Francisco Rodriguez-Espinosa

摘要

Hydrological services (HSs) are natural functions of ecosystems that provide great benefits to human society, such as water supply, fish provision, and the regulation of the water quality in rivers. In Mexico, payment for hydrological services (PHS) programs, which aim to reduce deforestation and protect water resources, have been implemented since 2003. However, the outcomes of these programs have been limited due to the low level of funding and the lack of social inclusion with rural localities. This study develops a hybrid model by (1) generating monetized units valuing the HSs that could justify the costs involved in conservation practices and (2) integrating/exploring the notion of willingness to work (WTW) to enhance the active participation and inclusion of rural communities in a PHS program. This study was conducted in the Pixquiac watershed, Veracruz, Mexico, which is one of the main water supplies of the state capital and is considered a biodiversity hotspot. Concepts such as the market price approach, replacement cost and contingent valuation were applied to determine the direct use value, indirect use value and nonuse value of HSs. The annual benefits provided by HSs were estimated at 145.2 USD/hectare. In contrast, the current PHS in the territory is \(\:\sim\) 56 USD/hectare. The generated units can be used as reference values by decision-makers to upgrade the PHS program.