In order to achieve the Aichi targets, further efforts on ecosystem conservation are needed in each region. For that purpose, it is necessary for local governments, companies, citizens, non-profit organizations, etc., who are responsible for regional policy and regional development, to make eco-friendly decisions in their behavior. In other words, it is necessary to mainstream biodiversity in each region. To that end, it is useful to make the value of ecosystem services visible by valuating the

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... economic value of them. In this paper, we explain the background that economic valuation of ecosystem services is required, and summarize the issues in utilizing the economic valuation of ecosystem services in each region.