순천만 갯벌 복원사업에 따른 생태경제적 가치 평가

Abstract

As the high ecological and economical value of tidal flat ecosystem is becoming more common, tidal flat restoration which allows seawater to flow back into abandoned salt ponds and fish farms is progressing actively. However, it is difficult to quantitatively demonstrate the changes in the value of restoration project due to the limitation of ecosystem valuation items and methods. Thus, this study used the emergy concept to estimate the changes in eco-economical value of tidal flat restoration in Suncheon Bay, Republic of Korea. The eco-economical value of the yield increased by 4.5 million em￦/yr with the implementation of the project. Additionally, that of indigenous storage including tidal flat organism was increased by 6.3 billion em￦. The result shows that the restoration for the reclaimed land in Suncheon Bay more contributes to the economy system than leaving it as abandoned salt pond or fish farm. Also, this study could be used as the basic data for improvement of the value of tidal flat ecosystem and determination of the necessity of tidal flat restoration.