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

  • 제34권1호
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  • Pages.43-51
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  • 1998
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
권호 표지

어류의 시각 예민도-명암대비 역차와 최소 분해각 - 에 관한 모델링

Modelling on Contrast Threshold and Minimum Resolvable Angle of Fish Vision

  • 발행 : 1998.03.01
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초록

수중에서 어류들이 색이시 생물적인 목표물이나 어로작업시 어구 등의 시각자극과 최대탐지거리 등을 예측하기 위해서 어류의 주된 시각 예민도 요소인 명암대비 역치와 최소 분해각을 수치모델링 하였다. 어류시각의 명반응과 순반응에 따라 명암대비 역치와 최소분해각은 배경휘도와 체장에 따른 자연대수의 함수로 표현하였다. 이 때 관련된 수식의 계수들은 기존의 실험 결과나 어종간의 시각 예민도 등에서 추정할 수 있었으며 또한 생리 생태나 개체차 등도 조정할 수 있다. 본 모델은 먹이생물이나 어구 등의 시각자극에 의한 시인정도와 시정 등의 추산에 이용될 수 있으며, 아울러 전반적인 수중 광학적인 조건하에서 시각자극의 세기에 따른 시각 예민도와 그 반응에 의한 어류행동 모델에 응용될 수 있을 것이다.

키워드

참고문헌

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