Life Cycle Inventory of Environmental Burden on Squid Fisheries
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概要
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Squids are important marine products for the food supply in Japan. We performed the inventory analysis of fisheries related to the production of squids. As a result, the cumulative CO<SUB>2</SUB> emission per million yen for squid jigging fishery, large-scale set net fishery and off shoretrawl fishery were 14.4, 0.5, and 9.3 t-CO<SUB>2</SUB>/million yen, respectively. The pay-back time analysisindicated that it takes 1.3 years for large-scale set net fishery to overcome squid jigging fishery in the cumulative CO<SUB>2</SUB> emission. It further suggested that there was a difference of 4, 150 t-CO<SUB>2</SUB>/million yen in 20 years. In squid jigging fishery, immediate fuel consumption accounts for 99 percent of the cumulative CO<SUB>2</SUB> emission, and fishing light use accounts for approximately 70 % of the fuel consumption. Therefore, it was suggested that the quantitative reduction in the amount of CO<SUB>2</SUB>emission will be possible by controlling excessive illuminating power. Moreover, we examined the data collection method, the determination of functional unit, and the allocation method to apply LCA for fisheries. Thus, those influences on the result were compared.
- 社団法人 環境科学会の論文
社団法人 環境科学会 | 論文
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