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http://dx.doi.org/10.7846/JKOSMEE.2015.18.2.102

Emergy Evaluation of the Korean Economy and Environment: Implications for the Valuation of Marine Ecosystem Services  

Kang, Daeseok (Department of Ecological Engineering, Pukyong National University)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.18, no.2, 2015 , pp. 102-115 More about this Journal
Abstract
Several emergy researches have been carried out to estimate the value of marine ecosystem services in Korea over the last decade. Their results cannot be compared mainly due to inconsistency in emergy-money ratios used to convert emergy unit into monetary unit. This study aimed at providing a standardized format for the emergy evaluation of the Korean economy and environment for different emergy evaluations to be compatible. Even though the area of the continental shelf increased in this study compared to those of previous studies, areaweighted average tidal range for the entire continental shelf of Korea resulted in smaller tidal range, decreasing the final emergy input from tide. However, emergy inputs from nonrenewable resources and purchased goods and services increased with new categorization and use of more detailed data, combined with updated unit emergy values. This led to higher emergy-money ratio for the Korean economy, indicating that previous emergy valuations might have overestimated the contributions of marine ecosystem to the real wealth of the Korean society. The base year for gross domestic product used in the emergy evaluation needs to be clearly indicated due to its impact on the calculation of the emergy-money ratio. A standardized emergy table for the Korean economy will contribute to ensuring consistency among future emergy researches on the valuation of marine ecosystem services.
Keywords
Marine ecosystem services; Korean economy; Emergy-money ratio; Emergy valuation;
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Times Cited By KSCI : 9  (Citation Analysis)
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