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Coastal Zone Ecosystem Services: from science to values and decision making; a case study.
T Luisetti1, R K Turner2, T Jickells3
1Centre for Environment, Fisheries & Aquaculture Science (CEFAS), Pakefield Road, Lowestoft, Suffolk NR33 OHT, UK.
The Science of the Total Environment
|July 4, 2014
Summary
Valuing ecosystem services like climate regulation, fisheries, and recreation requires careful consideration of context. Findings highlight the variability in value transfer for ecosystem services, crucial for effective environmental policy.
Area of Science:
- Environmental science
- Ecological economics
- Coastal management
Background:
- Socio-ecological systems present complexity in valuing ecosystem services.
- Ecosystem services valuation must address stock and flow sustainability and scale issues.
- Interdisciplinary knowledge integration is vital for effective environmental governance.
Purpose of the Study:
- To investigate the valuation of ecosystem services, focusing on climate regulation, fisheries, and nature recreation.
- To explore ecosystem stock and services flow valuation methods.
- To analyze the impact of managed realignment on ecosystem services in English estuaries.
Main Methods:
- Economic valuation of ecosystem services, including biophysical and welfare estimates.
- Case study analysis of the Blackwater and Humber estuaries on the English North Sea coast.
- Scenario modeling (optimistic vs. pessimistic) to assess value transfer variability.
Main Results:
- Ecosystem services like carbon sequestration, fisheries production, and nature recreation were independently valued.
- Context dependency significantly influences the transferability of ecosystem service values.
- Managed realignment can enhance saltmarsh ecosystem services, but values vary by service and benefit.
Conclusions:
- Careful application of value transfer in biophysical and welfare estimates is essential for reliable policy information.
- Understanding context dependency is key for accurate ecosystem service valuation.
- Interdisciplinary approaches are recommended for integrating diverse knowledge in decision-making.
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