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Strengthening Amazon conservation through community-based voluntary patrolling.

Caetano L B Franco1,2, Thais Q Morcatty1,3,4, Helder L Queiroz1

  • 1Instituto de Desenvolvimento Sustentável Mamirauá, Tefé, Brazil.

Conservation Biology : the Journal of the Society for Conservation Biology
|May 30, 2025
PubMed
Summary
This summary is machine-generated.

Community patrols significantly reduced environmental crimes by 80% in Amazonia protected areas over 11 years. This community-based natural resource protection model proved more effective than government enforcement alone.

Keywords:
Amazoniaaplicación de la leycommunity‐based managementcomunidades localesenforcementenvironmental crimegestión comunitarialocal communitiespatrollingprotected areavigilanciawildlife crimeárea protegida亚马逊保护地基于社区的管理巡逻当地社区执法

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Area of Science:

  • Ecology
  • Conservation Biology
  • Environmental Law

Background:

  • Environmental crimes pose a significant global threat to biodiversity and local livelihoods.
  • Government-led enforcement is the traditional approach, but community involvement offers a complementary strategy.

Purpose of the Study:

  • To evaluate the effectiveness of a community-based voluntary patrolling system in deterring environmental crimes in Amazonia.
  • To compare the impact of community patrols with government-led enforcement operations.

Main Methods:

  • Analysis of 11 years of environmental crime data (2003-2013) from patrollers in 12 territorial units within 2 protected areas (PAs) in Amazonas, Brazil.
  • Comparison with government enforcement data from outside PAs (2002-2012).
  • Data included crime occurrence, patrol hours, number of patrollers, and crime types (fishing, hunting, logging).

Main Results:

  • Patrollers conducted nearly 20,000 surveillance outings, recording 1260 crimes, primarily related to fishing.
  • Crime occurrence per outing increased with more patrollers and patrol time, and was higher during informant-led patrols.
  • A significant decline of approximately 80% in crime occurrence was observed over time in 11 of 12 units with community patrols.
  • No comparable decline was observed in government-led enforcement operations outside the PAs.

Conclusions:

  • Community-based voluntary patrolling is a highly effective strategy for deterring environmental crimes in protected areas.
  • Local community leadership in planning and conducting patrols enhances rule conformity and enforcement.
  • This model offers valuable insights for protected area managers and researchers in tropical regions worldwide.