Work Package 8, Valuation of Ecosystem Products and Services
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Meta Analysis of Coastal Ecosystems
Abbie Cruz-TrinidadPRIMEX, Philippines
Non Market Values
Existence ValueBequest ValueIndirect Value
• Non Market Valuation Techniques
• Travel Cost (TC)• Contingent Valuation
(CV)• Hedonic pricing• Damage Assessment• Conjoint Experiments
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What non-market valuation applications can tell us
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What kind of meta-analysis was applied
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Meta-analysis for coastal resources: what have we got?
Meta-analysis for coastal resources: what have we got?
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Meta Analysis Database StructureMeta Analysis Database Structure
Scope of study
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Listing of Non-market Valuation Reports
Author Country / Site Ecosystem / Service or Species Studied
(1) M.E. Kragt et. al. Australia / Great Barrier Reef coral reefs
(2) G. Dharmaratne Belize coral reefs
(3) J.E. Wilen et. al. Ecuador / Galapagos coastal waters
(4) J. Edward Taylor et al. Honduras / Bay Islands coral reefs
(5) Seung-Jun Kwak et al. Korea / Woopo Wetlands wetland
(6) B.H. Yeo Malaysia / Pulau Payar coral reefs
(7) R. Naylor and M. Drew Micronesia, Kosrae Mangroves
(8) P.A.L.D. Nunes Netherlands / Zandvoort marine ecosystem
(9) S. Thur Netherlands Antilles / Bonaire marine park
(10) T. Arin and R.A. Kramer Philippines / Batangas, Cebu and Bohol coral reef
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Listing of Non-market Valuation Reports (cont.)Author Country / Site Ecosystem / Service or Species
Studied
(11) M. Ahmed et. al. Philippines / Bolinao coral reefs
(12) R.F Subade Philippines / Tubbataha Reef coral reefs
(13) J. Padilla et al.Philippines/ Hundred Islands
National parkcoral reefs
(14) H.O Mohd-Shahwahid and R. McNally
Samoa / Palolo Deep marine reserve
(15) L. Mathieu et. al. Seychelles coral reefs
(16) N. Barker and C.M. Roberts. St. Lucia / Soufriere coral reefs
(17) Z. Ngazy et. al. Tanzania / Unguja Island coral reefs
(18) R. ChuenpagdeeThailand / Gulf of Thailand and
Phang Nga Baycoastal ecosystems
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Listing of Non-market Valuation Reports (cont.)Author Country / Site Ecosystem / Service or Species
Studied
(19) B.D. Solomon et. al. USA / Florida marine species (manatee)
(20) R.T. Carson et. al. USA / Alaska marine ecosystem
(21) Bin and Polasky USA / North Carolina wetlands
(22) D.C. Hall et. al. USA / South California rocky intertidal zone
(23) Pham Khanh Nam and Tran Vo Hung Son
Vietnam / Nha Trang coral reefs
(24) U. Seenprachawong Thailand / Phi Phi Islands coral reefs
(25) J. Alder et. al. USAcoral reefs, estuaries and
seamounts
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Average for domestic tourists: US$ 8
Average for foreign tourists: US$ 28
Determinants of Willingness to Pay (WTP)
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WTP functional relationship
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WTP functional relationship
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Conclusion statistics look encouraging but model not robust enough for forecasting --- plugged in values result in high WTP values samples/number of papers should be expandedneed to formulate hypothesis applicable to tropical coastal ecosystemsExercise should contribute to setting “best practices” for CV/TC studies
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