VALUING THE BIODIVERSITY AND EDUCATION SERVICES OF TIDAL FLAT ECOSYSTEMS USING A NEW METHOD: RANKING COMPARISON METHOD

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  • 比較順位法を用いた生物多様性と教育に関する干潟の生態系サービスの経済評価の検討
  • ヒカク ジュンイホウ オ モチイタ セイブツ タヨウセイ ト キョウイク ニ カンスル ヒガタ ノ セイタイケイ サービス ノ ケイザイ ヒョウカ ノ ケントウ

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Abstract

 We developed a new stated preference approach that was named rank comparison method (RCM) for evaluating multiple ecosystem services in a tidal flat easily. We conducted the internet survey to the citizen at the Tokyo Bay Basin, and inquired about the ranking of economic value of evaluating services compared with the reference services. The economic values of reference services were decided using market value approach or revealed preference approach. Based on the ranking of evaluating services and the economic values of reference services, we estimated the economic value of evaluating services. In addition, the economic values of evaluating services were converted into the individual economic values at the four tidal flats by use of the quantitative scores that were based on Ocean Health Index and assessed by the biological or sociological metrics.

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