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Swimming Characteristics of the Black Porgy Acanthopagrus schlegeli in the Towing Cod-end of a Trawl

김치영|김용해
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)|2005.09|Fisheries and Aquatic Sciences|제8권 제3호|pp. 177-181

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참고문헌

주제분류수산학

초록

Abstract

Fishing selectivity is determined by the level of voluntary escaping behavior in accordance with decision-making based on the relationship between fish size and mesh size. This study examined movement during the swimming behavior of black porgy in a trawl’s towing cod-end and analyzed the movement components such as swimming speed, angular velocity of turning, and distance to the net over time. Most of the observed fish exhibited an optomotor response, maintaining position and swimming speed without changing direction. Others exhibited erratic or “panic” behavior with sudden changes in swimming speed and direction. The latter behavior involved very irregular and aperiodic variations in swimming speed and angular velocity, termed “chaotic behavior.” Thus, the results of this study can be applied to a chaotic behavior model as a time series of swimming movements in the towing cod-end for the fishing selectivity.

참고문헌 (21)

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관련 논문AI추천

Quantitative Analysis of the Swimming Movements of Flatfish Reacting to the Ground Gear of Bottom Trawls김용해, Clem S. Wardle한국수산과학회 · Fisheries and Aquatic Sciences2006 · 제9권 제4호Effects of Photoperiod, Temperature, and Fish Size on Oxygen Consumption in the Black Porgy Acanthopagrus schlegeli민병화, 장영진, 정민환, Lance P. F, William H. N한국수산과학회 · Fisheries and Aquatic Sciences2005 · 제8권 제3호Movement Ranges and Routes of Black Rockfish (Sebastes schlegeli) in Summer and Autumn from Acoustic Telemetry강경미, 신현옥한국수산과학회 · Fisheries and Aquatic Sciences2006 · 제9권 제2호Performance of an Active Stimulating Device Using a Rope Kite or Array in the Cod End to Reduce Juvenile by-catch김용해한국수산과학회 · Fisheries and Aquatic Sciences2010 · 제13권 제2호Complex Movements of Skipjack Schools Based on Sonar Observations during Pelagic Purse Seining김용해한국수산과학회 · Fisheries and Aquatic Sciences2007 · 제10권 제4호Modeling the Selectivity of the Cod-end of a Trawl Using Chaotic Fish Behavior and Neural Networks김용해, Clement S.Wardle한국수산과학회 · Fisheries and Aquatic Sciences2008 · 제11권 제1호

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