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Assessing chemical risk within an ecosystem services framework: Implementation and added value.

Lorraine Maltby1, Ross Brown2, Jack H Faber3

  • 1Department of Animal and Plant Sciences, The University of Sheffield, Sheffield S10 2TN, UK.

The Science of the Total Environment
|July 10, 2021
PubMed
Summary
This summary is machine-generated.

An ecosystem services (ES) approach offers significant benefits for chemical risk assessment and environmental decision-making. This framework provides a unifying approach across regulations, improving risk prioritization and communication.

Keywords:
Chemical regulationEcological modelsEnvironmental risk assessmentProspectiveRetrospectiveTiered framework

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Area of Science:

  • Environmental Science
  • Risk Assessment
  • Ecotoxicology

Background:

  • Chemical risk assessment traditionally faces challenges in implementation.
  • An ecosystem services (ES) approach offers potential advantages but requires evaluation.

Purpose of the Study:

  • Evaluate the feasibility and added value of an ES approach for chemical risk assessment.
  • Build consensus among stakeholders on regulatory benefits for European chemicals regulation.

Main Methods:

  • Multi-stakeholder workshop to assess feasibility using current tools and data.
  • Development of a novel tiered framework for assessing chemical risk to ES delivery.

Main Results:

  • Consensus on the substantial added value of an ES-based approach for regulatory decision-making.
  • ES approach provides a common currency across environmental compartments, stressors, and regulatory frameworks.
  • ES approach aids risk prioritization, communication, management, and comparative assessments.

Conclusions:

  • Adopting an ES approach enhances regulatory decision-making by facilitating holistic assessments and trade-off analysis.
  • Key requirements include shifting from single threshold values to exposure-effect distributions and developing integrated systems-level approaches.
  • Further development of tools for extrapolating toxicity data and ES valuation methods is needed.