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Summary

Environmental assessments face challenges in addressing cumulative effects on biodiversity. This study surveyed Canadian practitioners, revealing consensus on using ecological boundaries and considering human/natural drivers for better biodiversity cumulative effects assessment (CEA).

Keywords:
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Area of Science:

  • Environmental Science
  • Conservation Biology
  • Ecology

Background:

  • Cumulative Effects Assessment (CEA) is a critical component of Environmental Assessment (EA) globally.
  • Practical challenges, particularly concerning biodiversity, hinder effective CEA implementation.
  • Improving biodiversity-focused CEA is essential for sustainable project development.

Purpose of the Study:

  • To explore options and drivers for enhancing project-based CEA for biodiversity.
  • To identify current challenges and opportunities in biodiversity CEA based on practitioner experiences.
  • To inform improvements in the practice of cumulative effects assessment for biodiversity.

Main Methods:

  • An online survey was administered to 40 professionals across various sectors (private, government, academia, NGOs) in Canada.
  • The survey examined current practices, challenges, and opportunities in biodiversity CEA.
  • Key areas investigated included CEA process, responsibilities, and resource needs.

Main Results:

  • Consensus exists on the need for specific CEA directions in EA terms of reference, incorporating both human and natural drivers, and using ecological boundaries.
  • Disagreement was noted regarding the scope of valued components (VCs) to consider and the delimitation of future temporal limits in CEA.
  • Practitioners agreed on proponents' central role in conducting CEA, with government agencies leading data provision on other projects and baseline conditions.

Conclusions:

  • There is a need for clearer guidance and shared understanding in biodiversity CEA processes.
  • Collaboration between project proponents and government agencies is crucial for effective data management and assessment.
  • Enhanced information and knowledge management resources can significantly support biodiversity CEA.