한국어류학회지 (Korean Journal of Ichthyology)

  • 제34권1호
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  • Pages.44-56
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  • 2022
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  • 1225-8598(pISSN)
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  • 2288-3371(eISSN)
한국어류학회 (The Ichthyological Society of Korea)
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과학잠수관찰을 통한 우리나라 부산, 울산 연안의 어류상

Assessment of Fish Fauna in the Coastal Waters off Busan and Ulsan, Southwestern Korea Using the Underwater Visual Census

  • 이용득 (국립수산과학원 수산자원연구센터) ;
  • 이강민 (경상남도수산자원연구소 민물고기연구센터) ;
  • 곽우석 (경상국립대학교 해양과학대학 해양생물교육연구센터)
  • Lee, Yong-Deuk (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • Lee, Gang-Min (Gyeongsangnam-do Freshwater Fish Research Center) ;
  • Gwak, Woo-Seok (Marine Bio-Education and Research Center, Gyeongsang National University)
  • 투고 : 2022.02.08
  • 심사 : 2022.03.21
  • 발행 : 2022.03.31
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초록

우리나라 남해동부해역인 부산(청사포), 울산(방어진) 연안에서 과학잠수조사를 통해 월별, 계절별, 정점별 어류 군집구조를 파악하고, 수중에서 어종별 생태학적인 특징을 관찰하기 위해 2016년 11월부터 2017년 10월까지 매월 1회씩 총 1년 동안 부산(청사포)과 울산(방어진) 연안에서 잠수관찰 조사를 실시하였다. 청사포에서는 총 25종 1,486개체, 방어진에서는 총 31종 3,859개체가 확인되었다. 개체수에서 우점한 종은 청사포에서 전갱이(20.9%), 놀래기(12.6%), 자리돔(11.9%) 순이었고, 방어진 연안에서는 독가시치(42.0%), 주걱치(8.4%), 자리돔(8.0%) 순이었다. 청사포와 방어진 두 해역별 종 구성에는 통계적으로 유의한 차이가 없었지만 봄 vs. 여름, 봄 vs. 가을, 여름 vs. 겨울, 가을 vs. 겨울은 차이가 있었다. 계절별 종 조성 차이에 기여한 종은 놀래기와 용치놀래기가 기여율이 높았다. 청사포와 방어진 연안에서 관찰된 총 38종 중 17종(44.7%)이 온대성, 7종(18.4%)이 아열대성, 14종(36.8%)이 열대성 어종이었다.

Fish fauna was observed off the coast of Busan (Cheongsapo) and Ulsan (Bangeojin) using underwater visual census from November 2016 to October 2017. A total of 1,486 individuals of 25 species in Cheongsapo and 3,859 individuals of 31 species were identified in Bangeojin. Dominant species in the number of individuals were Trachurus japonicus (20.9%), Halichoeres tenuispinis (12.6%), and Chromis notata (11.9%) in Cheongsapo, Siganus fuscescens (42.0%), Pempheris japonica (8.4%), and Chromis notata (8.0%) in Bangeojin. There was no significant difference in the species composition of Cheongsapo and Bangeojin but spring vs. summer, spring vs. autumn, summer vs. winter, autumn vs. winter showed a significant difference. Contribution species of seasonal differences were commonly high rates by Halichoeres tenuispinis and Parajulis poecilepterus. Of the total 38 species, 17 (44.7%) temperate, 6 (15.8%) tropical, and 15 (39.5%) subtropical species observed coastal waters off Cheongsapo and Bangeojin.

키워드

과제정보

조사에 적극적으로 참여해 도움을 준 경상국립대학교 어류학실험실 박종율, 정시훈에게 감사의 말을 전합니다. 이 연구는 한국연구재단 이공분야기초연구사업에서 지원받아 수행되었습니다(NRF-2016R1D1A1B03931588).

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