Unlocking New Paths to Global Biodiversity Conservation

Unlocking the potential of other effective area-based conservation measures (OECMs) for achieving conservation targets: A global scoping review.

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AI Summary

This global scoping review explores Other Effective Area-based Conservation Measures (OECMs), a critical approach to biodiversity preservation outside traditional protected areas. Analyzing 99 studies and 694 case studies spanning 237,000 potential sites, researchers uncovered significant insights into global conservation efforts, with a particular focus on environmental protection strategies.

The study revealed key challenges in conservation assessment, highlighting that current methodologies rely heavily on qualitative expert knowledge. Only two-thirds of case studies provided adequate evidence of conservation outcomes, indicating significant gaps in evaluation techniques. The research emphasizes the need for standardized assessment methodologies and improved decision-support tools to enhance conservation recognition.

Geographically, the research found that potential OECMs are most prevalent in Asia and terrestrial environments, with environmental sector initiatives leading the way. However, the study critically notes that ecosystem services and socio-cultural values are frequently overlooked in current conservation approaches, suggesting a more holistic approach is necessary for effective biodiversity protection.

💡 Key Findings

1
99 studies covering 694 case studies and 237,000 potential sites analyzed global conservation approaches
High
90%
2
Over one-third of case studies lack adequate evidence of conservation outcomes
High
80%
3
Potential OECMs are most widespread in Asian terrestrial environments
Good
70%

📄 Original Abstract

Other Effective Area-based Conservation Measures (OECMs), introduced by the Convention on Biological Diversity (CBD), refer to areas outside formal protected-area networks that deliver effective and enduring in situ biodiversity conservation. This scoping review systematically examined global approaches to identifying and evaluating potential OECMs. Analysing 99 studies covering 694 case studies and 237 000 potential sites, we found that potential OECMs are widespread, particularly in Asia and terrestrial environments, with most initiatives led by the environmental sector. Assessments relied largely on qualitative expert knowledge, with limited application of analytical methods. Although CBD criteria were commonly applied, contributions of related to ecosystem services and socio-cultural values were often overlooked. Effectiveness evaluations showed considerable uncertainty, with over one-third of case studies reporting inadequate evidence of conservation outcomes. The review emphasises the need for standardised assessment methodologies, improved decision-support tools, and socio-cultural integration to enhance OECM recognition, particularly under the 30 × 30 conservation biodiversity target.

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