수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)

  • 제54권4호
  • /
  • Pages.315-323
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  • 2018
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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연근해 자망과 통발 어업의 온실가스 배출량 현장실측 연구

Comparative study of greenhouse gas emission from coastal and offshore gillnet and trap fisheries by field research

  • 이석형 (국립수산과학원 수산공학과) ;
  • 김현영 (국립수산과학원 수산공학과) ;
  • 양용수 (국립수산과학원 수산공학과) ;
  • 강다영 (국립수산과학원 수산공학과)
  • LEE, Seok-Hyung (Fisheries Engineering Division, National Institute of Fisheries Science) ;
  • KIM, Hyunyoung (Fisheries Engineering Division, National Institute of Fisheries Science) ;
  • YANG, Yongsu (Fisheries Engineering Division, National Institute of Fisheries Science) ;
  • KANG, Da-Young (Fisheries Engineering Division, National Institute of Fisheries Science)
  • 투고 : 2018.07.27
  • 심사 : 2018.11.13
  • 발행 : 2018.11.30
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초록

Fossil fuel combustion during fishing activities is a major contributor to climate changes in the fishing industry. The Tier1 methodology calculation and on-site continuous measurements of the greenhouse gas were carried out through the use of fuel by the coastal and offshore gillnet (blue crabs and yellow croaker) and trap (small octopus and red snow crab) fishing boats in Korea. The emission comparison results showed that the field measurements are similar to or slightly higher than the Tier1 estimates for coastal gillnet and trap. In offshore gillnet and trap fisheries, Tier1 estimate of greenhouse gases was about $1,644-13,875kg\;CO_2/L$, which was more than the field measurement value. The $CO_2$ emissions factor based on the fuel usage was $2.49-3.2kg\;CO_2/L$ for coastal fisheries and $1.46-2.24kg\;CO_2/L$ for offshore fisheries. Furthermore, GHG emissions per unit catch and the ratio of field measurement and Tier1 emission estimate were investigated. Since the total catch of coastal fish was relatively small, the emission per unit catch in coastal fisheries was four to eight times larger. The results of this study could be used to determine the baseline data for responding to changes in fisheries environment and reducing greenhouse gas emission.

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