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Mesh selectivity of drum net traps for Buccinum opisoplectum Dall using SELECT model with unequal fishing and sampling efforts: A preliminary analysis

비균등한 어획노력량 및 샘플량인 경우의 SELECT 모델을 이용한 세고리물레고둥(Buccinum opisoplectum Dall)의 장구형 통발에 대한 망목선택성 : 예비분석

  • Park, Hae-Hoon (Fisheries Resources Management and Enhancement Team, East Sea Fisheries Research Institute, NFRDI) ;
  • Millar Russell B. (Department of Statistics, University of Auckland) ;
  • An Heui-Chun (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Kim, Hyun-Young (Fisheries Resources Management and Enhancement Team, West Sea Fisheries Research Institute) ;
  • Jeong, Eui-Cheol (Fisheries Resources Management and Enhancement Team, East Sea Fisheries Research Institute, NFRDI) ;
  • Shin, Jong-Keun (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Cha Bong-Jin (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Kim, In-Ok (Fisheries Engineering Team, National Fisheries Research & Development Institute)
  • 박해훈 (국립수산과학원 동해수산연구소 자원관리조성팀) ;
  • ;
  • 안희춘 (국립수산과학원 수산공학팀) ;
  • 김현영 (국립수산과학원 서해수산연구소 자원관리조성팀) ;
  • 정의철 (국립수산과학원 동해수산연구소 자원관리조성팀) ;
  • 신종근 (국립수산과학원 수산공학팀) ;
  • 차봉진 (국립수산과학원 수산공학팀) ;
  • 김인옥 (국립수산과학원 수산공학팀)
  • Published : 2005.11.30

Abstract

The mesh selectivity of drum net traps for Buccinum opisoplectum Dall caught in the eastern sea of Korea was described. Several experiments were conducted between July 2003 and March 2004 and the data obtained from the experiment was fitted by SELECT (Share Each Length class's Catch Total) model with unequal fishing and sampling efforts. The selection curve was determined to be 'estimated fishing efficiency' by model deviance rather than AIC. However the fishing efficiency between 20mm and 35mm mesh size did not seem to be different. The $L_{50}$ lengths of the selectivity for the 55mm and 75mm mesh size were 65.4mm and 96.0mm, respectively.

Keywords

SELECT model;Unequal efforts;Maximum likelihood;Drum net trap;Buccinum opisoplectum Dall

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