수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)

  • 제50권1호
  • /
  • Pages.39-49
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  • 2014
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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서해 남부와 남해 서부의 한 정점에서 수온 및 염분과 멸치 어군의 특징의 관련성 시각화

Acoustic characteristics of Anchovy schools, and visualization of their connection with water temperature and salinity in the Southwestern Sea and the Westsouthern Sea of South Korea

  • 강명희 (경상대학교 해양경찰시스템학과, 해양산업연구소) ;
  • 최석관 (국립수산과학원 자원관리과) ;
  • 황보규 (군산대학교 해양생산학과)
  • Kang, Myounghee (Department of Maritime Police and Production System, The institute of Maritime Industry, Gyeongsang National University) ;
  • Choi, Seok-Gwan (Fisheries Resources Management Division, National Fisheries Research & Development Institute) ;
  • Hwang, Bo-Kyu (Department of Marine Science and Production, Kunsan National University)
  • 투고 : 2014.01.16
  • 심사 : 2014.02.20
  • 발행 : 2014.02.28
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초록

Morphological and positional characteristics of anchovy aggregations, confirmed by trawling, were examined in two locations of the southern part of theWest Sea (T1) and the western side of South Sea (T11) of South Korea. Morphological characteristics (mean length, height and area) of the anchovy aggregations at T1 were smaller than those at T11, however the positional characteristics (distributional depth and bottom depth) of the aggregations at T1 were larger than those at T11. Diverse dataset such as the ship's cruise track, the cruse map, and interpolated three-dimensional-like water temperature were visualized in multiple dimensions. For a comprehensive understanding of the anchovy aggregations within their surrounding circumstances, the interpolated water temperature transferred to the location of anchovy aggregations at both stations were visualized based on geospatial information. Using quantitative investigation, the overall range of change in water temperature and salinity of anchovy aggregations at stations was considerably small. However, the water temperature and salinity of anchovy aggregations at T11 were somewhat higher than those at T1.

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  2. Comparison of the Distribution of Demersal Fish Biomass Determined by Bottom Trawl and Hydroacoustic Surveys in the Northern East China Sea in Winter, 2014 vol.48, pp.6, 2015, https://doi.org/10.5657/KFAS.2015.0960
  3. Study on the spatial distribution and aggregation characteristics of fisheries resources in the East Sea, West Sea and South Sea of the South Korea in spring and autumn using a hydroacoustic method vol.54, pp.2, 2018, https://doi.org/10.3796/KSFOT.2018.54.2.146