한국패류학회지 (The Korean Journal of Malacology)

한국패류학회 (The Malacological Society of Korea)
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섬진강에 분포하는 일본재첩 Corbicula japonica의 잠재어획가능량 추정

Estimation of potential fishery yield for Corbicula japonica in the Seomjin River, Korea

  • 이재봉 (동해수산연구소 자원환경과) ;
  • 신영재 (국립수산과학원 자원관리과) ;
  • 이종희 (국립수산과학원 자원관리과) ;
  • 최영민 (동해수산연구소 자원환경과) ;
  • 이동우 (국립수산과학원 자원관리과) ;
  • 차형기 (남서해수산연구소 아열대수산연구센터)
  • Lee, Jae Bong (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute) ;
  • Shin, Young Jae (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Lee, Jong Hee (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Choi, Young Min (Fisheries Resources and Environment Division, East Sea Fisheries Research Institute) ;
  • Lee, Dong Woo (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Cha, Hyung Kee (Subtropical Fisheries Research Center, Southwest Fisheries Research Institute)
  • 투고 : 2012.05.01
  • 심사 : 2012.05.28
  • 발행 : 2012.06.30
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초록

일본재첩 (Corbicula japonica) 은 백합목 재첩과에 속하는 담수 및 기수역에 분포하는 소형 이매패류로서 사니질의 얕은 수심에서 서식한다. 섬진강 일본재첩의 어획량은 우리나라 재첩 총 생산량의 약 30%를 차지하며, 경남지역 생산량의 대부분을 차지한다. 섬진강 일본재첩에 대한 정확한 어획 및 자원량에 관한 연구가 미미하여 과학적인 자원평가 및 관리방안 도출이 매우 열악한 실정이다. 본 연구는 섬진강 일본재첩에 대한 이용가능한 정보 및 자료가 부족한 상황에서 과학적이고 체계적인 자원관리방안을 도출하기 위하여 잠재어획가능량 산정의 5단계 체계를 구축하였다. 섬진강 일본재첩의 잠재어획 가능량은 보다 높은 정보수준을 요구하는 1-2단계에서 산정하였다. 이에 섬진강 일본재첩의 잠재어획가능량은 상업어획조사에 의한 1단계 정보수준에서는 77.66 톤, 직접자원조사에 의한 2단계 정보수준에서는 129.82 톤으로 추정되었다.

Corbicula japonica, belonging to Other Veneroida Family Corbiculidae, was distributed in the freshwater and brackish rivers, where was a sandy and shallow depth. Catch of C. japonica in the Seomjin River occupied at a large portion of the catch in Kyungnam Province, which was about 30% of total catch in Korea. C. japonica has little studied on biomass, scientific resources assessment and management, because of inaccurate catch report data in the Seojin River. In this study, we conducted scientific and systematic approaches under data limited situation with application of the potential fishery yield system for sustainable fisheries resources management. Estimation system of the potential fishery yield was consisted of 5 tier system. We have used to tier 1 and 2 which were demanded higher level of information than the other tiers. The potential fishery yields were estimated 77.66ton for tier 1 using commercial fishery-dependent data, and 129.82ton for tier 2 with fishery-independent survey data.

키워드

참고문헌

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피인용 문헌

  1. Growth characteristics and distribution pattern of a brackish water clam, Corbicula japonica along an estuarine salinity gradient in Seomjin River vol.16, pp.10, 2015, https://doi.org/10.5762/KAIS.2015.16.10.6852
  2. A Mitochondiral Cytochrome Oxidase I gene based identification of Corbicula ssp. commercially available in South Korea vol.32, pp.2, 2016, https://doi.org/10.9710/kjm.2016.32.2.127
  3. A comparative study on the estimation methods for the potential yield in the Korean waters of the East Sea vol.54, pp.2, 2018, https://doi.org/10.3796/KSFOT.2018.54.2.124
  4. 섬진강 하구역에서 염분구배에 따른 식물플랑크톤 활성도 평가 vol.23, pp.5, 2017, https://doi.org/10.7837/kosomes.2017.23.5.513