Discussion on the value of estuarine and coastal ecosystem services
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Discussion on the value of estuarine and coastal ecosystem services

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Presentation on Barbier et al. 2011 by Molly Ramsey

Presentation on Barbier et al. 2011 by Molly Ramsey

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  • 1. + The value of estuarine and coastal ecosystem services Edward B. Barbier, Sally D. Hacker, Chris Kennedy, Evamaria W. Koch, Adrian C. Stier, and Brian R. Silliman 2011. Ecological Monographs 81(2): 169 – 193.
  • 2. + Ecosystem Services  “…interpreted to imply the contribution of nature to a variety of ‘goods and services’”  Economists describe ecosystem services as either 1. Goods = products, e.g. fish harvest, drinking water 2. Services = benefits, e.g. tourism, erosion control 3. Cultural benefits – e.g. heritage value
  • 3. + Ecosystem Services or Benefits Good or service that person or society is willing to pay for Good or service increases human welfare Classifying Ecosystem Services  Intermediate vs. Final  Consumptive vs. Non-consumptive  Direct vs. Indirect  Use vs. Non-Use
  • 4. + Three steps of economic valuation 1) Change in ecosystem structure, functions, and process 2) Effect of change on quality and quantity of services 3) Change in human welfare from change in ecosystem service
  • 5. + Ecosystem Production Function
  • 6. Ecological Production Function of Coral Reefs in Seychelles
  • 7. + Coral Reefs
  • 8. + Seagrass beds
  • 9. + Saltmarshes
  • 10. + Mangroves
  • 11. +Sandbeachesanddunes
  • 12. + Problems with Economic Valuation of Ecological Services  Lack of available data  Spatial and temporal variation  Problems with certain valuation methods such as replacement cost method  Connectivity and synergy of ECEs
  • 13. + Management Action Plan  Require estimates derived by economists, ecologists, and environmental scientists working together  Recognize and address ‘costs’ of destroying ECEs  Prevent and regulate activities that lead to loss of ECEs  Co-management of ECEs by local communities and governments; particularly where economy of local community dependent on delivery of services from ECEs  Increase restoration efforts (while reducing destruction) of ECEs
  • 14. + Valuation of Ecosystem Services of ECEs in Puerto Rico Images taken from P. Bradley’s presentation “The Human Component of the Coral Reef Ecosystem: A Framework for Sustainability. Downloaded pdf of her ppt at http://www.conference.ifas.ufl.edu/emecs9/Presentations/Wednesday/Salon%2
  • 15. Document downloaded from: http://www.epa.gov/ged/quantify.pdf
  • 16. QUANTIFYING ECOSYSTEM SERVICE OF CORAL REEF = SHORELINE PROTECTION
  • 17. +QUANTIFYING ECOSYSTEM SERVICE OF CORAL REEF = SHORELINE PROTECTION
  • 18. QUANTIFYING ECOSYSTEM SERVICE OF CORAL REEF = SHORELINE PROTECTION