Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Euna YOON"'
Publikováno v:
Fisheries and Aquatic Sciences, Vol 27, Iss 5, Pp 276-282 (2024)
The present study was conducted to investigate the behavior and distribution characteristics of fishes near an artificial reef close to the waters of Uljin marine ranch. A 200-kHz, dual-beam frequency transducer was attached to the side of a ship for
Externí odkaz:
https://doaj.org/article/e7df95b6b1ce47f0a9dbf5ff98f8617d
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 10, p 1918 (2023)
This study was conducted to investigate the acoustic characteristics of largehead hairtails (Trichiurus japonicus) in the Southern Sea of South Korea from April 2022, using 18, 38, 70, 120, and 200 kHz split-beam echosounders. At two stations, juveni
Externí odkaz:
https://doaj.org/article/476aa04352ea4a239d6ef0bee7a682a0
Autor:
Geunchang Park, Wooseok Oh, Euna Yoon, Hyoungbeen Lee, Sunyoung Oh, Sara Lee, Chang keun Lee, Jong Seong Khim, Kyounghoon Lee
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 10, p 1871 (2023)
In this study, we identified the echo signals of anchovies on echograms using the dB-difference method; additionally, the daytime and nighttime distribution characteristics of anchovies were determined. Using the difference in frequency characteristi
Externí odkaz:
https://doaj.org/article/b1b8d632a6e24a82a8ce0255c87ae915
Publikováno v:
Applied Sciences, Vol 12, Iss 4, p 1835 (2022)
Acoustic-trawl surveys use trawl sampling to identify aquatic species. The Deep Vision stereo camera system collects images of fish passing through trawl extensions. We conducted a survey using Deep Vision with a mid-water trawl to identify and measu
Externí odkaz:
https://doaj.org/article/646b643d168843e4926244c08ad034a1
Publikováno v:
Water, Vol 13, Iss 21, p 3009 (2021)
Pacific herring (Clupea pallasii Valenciennes, 1847) is a commercially important species that inhabits the coastal waters of the North Pacific from Korea to California, USA. This study analyzed the target strength (TS; dB re 1 m2) of Pacific herring
Externí odkaz:
https://doaj.org/article/128dde38d3ec449eac4aac4d39b22416
Publikováno v:
Journal of the Korean Society of Fisheries Technology. 58:121-129
Publikováno v:
Fisheries Research. 260:106610
Autor:
Euna Yoon, Seok-Gwan Choi, Hyoung Sul La, Kyounghoon Lee, Sukyung Kang, Inwoo Han, Wooseok Oh
Publikováno v:
Ocean Science Journal. 55:391-403
This study provides an estimate of the SDWBA-modelled mean target strength for given sets of krill length and swimming orientation. The range of the dB identification window for krill length was between 28 mm and 67 mm and the distribution of swimmin
Publikováno v:
Ocean Science Journal. 54:573-579
Efficient fish aggregation systems are essential for catching chub mackerel (Scomber japonicus), which is a major target of purse seine fisheries in South Korea. To aid the development of such systems, this study used a Dual frequency IDentification