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김기호(Kim, Kiho),장찬주(Jang, Chan Joo),최원근(Choi, Wonkeun),도기덕(Do, Kideok),유제선(Yoo, Jeseon) 한국연안방재학회 2019 한국연안방재학회 학술발표대회 논문집 Vol.2019 No.1
파랑후측을 이용하여 40년(1979~2018) 동안의 동해 99 백분위수 유의파고, 첨두주기, 그리고 첨두파향을 분석하였다. 99 백분위수 유의파고와 첨두주기 월평균은 겨울이 여름에 비해 크며, 남동쪽 해역으로 갈수록 증가하였다. 99 백분위수 유의파고와 첨두주기는 동해 전체에서 대체로 증가추세를 보였으며, 특히 일본 연안인 남동쪽에서 증가추세가 크게 나타났다. 첨두파향은 겨울에는 북서계열 파가 우세하였으며, 여름에는 남동계열 파가 우세하였다. 하지만, 남동, 남서해역에서는 첨두파향이 일정하게 나타났다.
곽의환(Uihwan KWAK),장원근(Wonkeun JANG),한인우(Inwoo HAN),이경훈(Kyounghoon LEE) 전남대학교 어업기술연구소 2017 어업기술연구소보고지 Vol.10 No.1
From May to November, 2016 (May, August, November), the survey was conducted to investigate the actual condition on the shrimp beam trawl net in Yeosu coastal area. Because the mesh size of the shrimp beam trawl net is small, various benthic fish were caught together with shrimp. During the survey period, total 361.5 kg of 79 species which include 52 fish species, 18 crustaceans and 6 cephalopods was caught in the target area. The dominant species were Argyrosomus argentatus, Thryssa kammalensis, Trichiurus lepturus, Metapenaeus joyneri, and Larimichthys polyactis. The caught species of shrimp in Yeosu coastal area were shown to be Parapenaeopsis tenella, Trachysalambria curvirostris, and Metapenaeus joyneri. Although the catch amount of shrimp was decreased in May and August, it was sharply increased from November when the water temperature became lowered. In November, the catch amount of shrimp accounted for 87% of the total catch amount. For analysis by coastal area, Yeosu coastal area were grouped as A and B, and Namhae coastal area was classified as C. It was shown that the catch rate of Yeosu coastal area was 76.6% and the catch rate of Namhae coastal area was 88.6%. In order to reduce the catch rate of shrimp by the beam trawl net, the bycatch reduction device (BRD) should be mandatory and studies on technical parts such as selective fishing techniques should be carried out together.