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Long-term variation in catch of Spanish mackerel (Scomberomorus niphonius) related to environmental change in Korean waters

환경변화에 따른 한국 연근해 삼치 (Scomberomorus niphonius) 어획량의 장기변동

  • Lee, Seung-Jong (Subtropical Fisheries Research Center, Southwest Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Kim, Byung-Yeob (Jeju Project station of Korea Fisheries Resource Agency) ;
  • Chang, Dae-Soo (Subtropical Fisheries Research Center, Southwest Sea Fisheries Research Institute, National Fisheries Research and Development Institute)
  • 이승종 (국립수산과학원 남서해수산연구소 아열대수산연구센터) ;
  • 김병엽 (수산자원사업단 제주사업소) ;
  • 장대수 (국립수산과학원 남서해수산연구소 아열대수산연구센터)
  • Received : 2011.02.25
  • Accepted : 2011.05.11
  • Published : 2011.05.31

Abstract

The relationships among long-term variation in catches of Spanish mackerel (Scomberomorus niphonius) and main food organism such as common mackerel (Scomber japonicus), anchovy (Engraulis japonicus), and oceanic condition in Korean waters were analyzed using 40 years of time-series data from 1971-2010. In the 1990s, oceanic conditions around the Korean peninsula shifted to a warmer regime with higher SST (sea surface temperature). The total catch of Spanish mackerel in Korean waters increased dramatically since the early 2000s, and main fishing ground form into South Sea in winter season from December to January. From the results of correlation analysis, we found a significant relationship between the Spanish mackerel catch and environmental factor such as SST, common mackerel and anchovy catch in Korean waters.

Keywords

References

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  2. Understanding the Migration Path of Spanish Mackerel Scomberomorus niphonius using Catch Distributions vol.49, pp.3, 2016, https://doi.org/10.5657/KFAS.2016.0376