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Costa Rica's payment for environmental services program: intention, implementation, and impact.

G Arturo Sánchez-Azofeifa1, Alexander Pfaff, Juan Andres Robalino

  • 1Earth Observation Systems Laboratory, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada. arturo.sanchez@ualberta.ca

Conservation Biology : the Journal of the Society for Conservation Biology
|September 22, 2007
PubMed
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Costa Rica's payments for environmental services (PSA) program, established in the late 1990s, provided payments to private landowners for ecosystem services. Despite broad distribution, the program did not significantly reduce deforestation rates between 1997-2000.

Area of Science:

  • Environmental Economics
  • Conservation Policy
  • Ecosystem Services

Background:

  • Costa Rica established a Payments for Environmental Services (PSA) program in the late 1990s.
  • The program compensates private landowners for the ecosystem services provided by their forest lands.
  • This initiative aimed to incentivize conservation and reduce deforestation.

Purpose of the Study:

  • To evaluate the intention, implementation, and impact of Costa Rica's PSA program.
  • To analyze the distribution of PSA payments across ecological and socioeconomic gradients.
  • To determine the effect of PSA payments on deforestation rates.

Main Methods:

  • Utilized remote sensing and geographic information system (GIS) databases to map PSA distribution.

Related Experiment Videos

  • Employed econometric analysis to assess the impact of payments on deforestation.
  • Examined deforestation rates in areas with and without PSA payments.

    • Main Results:

    • PSA payments were broadly distributed across diverse ecological and socioeconomic areas.
    • No statistically significant reduction in deforestation was observed in areas receiving PSA payments during 1997-2000.
    • Other conservation policies may have contributed to observed deforestation reductions.

    Conclusions:

    • The PSA program represents a significant global advancement in institutionalizing ecosystem investments.
    • Lessons learned from Costa Rica's extensive conservation experience are valuable.
    • Further research may be needed to fully understand the long-term impacts and effectiveness of PSA programs.